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CN202541451U - Electric car traffic control system - Google Patents

Electric car traffic control system Download PDF

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Publication number
CN202541451U
CN202541451U CN2012200228616U CN201220022861U CN202541451U CN 202541451 U CN202541451 U CN 202541451U CN 2012200228616 U CN2012200228616 U CN 2012200228616U CN 201220022861 U CN201220022861 U CN 201220022861U CN 202541451 U CN202541451 U CN 202541451U
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CN
China
Prior art keywords
energy
heater circuit
switch
dtsw
charge storage
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Expired - Lifetime
Application number
CN2012200228616U
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Chinese (zh)
Inventor
韩瑶川
冯卫
杨钦耀
李先银
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN2012200228616U priority Critical patent/CN202541451U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides an electric car traffic control system which comprises a heating circuit (11) and a load capacitor C12, wherein the heating circuit (11) is used for connecting a car battery (5) to form a heating loop. The control system also comprises a switching device (20) and a switching control module (200), wherein the switching device (20) is connected with the load capacitor C12 in series and is then connected with the heating circuit (11) in parallel, and the switching control module (200) is connected with the switching device (20) and is used for controlling the switch-on and switch-off of the switching device (20) when the heating circuit (11) and the car battery (5) are in a connected state. The electric car traffic control system controls the heating circuit (11) and a load circuit for time-sharing working to prevent the heating circuit (11) and the load circuit from influencing each other.

Description

A kind of battery-driven car running control system
Technical field
The utility model belongs to field of power electronics, relates in particular to a kind of battery-driven car running control system.
Background technology
Consider that automobile need go under the road conditions of complicacy and environmental conditions; On-vehicle battery as electric vehicle power sources need adapt to these complicated situations; Especially when battery-driven car is in the low temperature environment, more need on-vehicle battery to have excellent low temperature charge-discharge performance and higher input and output power-performance.Generally speaking, under cryogenic conditions, can cause the impedance of on-vehicle battery to increase, polarization strengthens, and causes the capacity of on-vehicle battery to descend thus.In order to keep the capacity of on-vehicle battery under cryogenic conditions, the prior electric car is provided with the heater circuit of on-vehicle battery.As shown in Figure 1; Common and the on-vehicle battery E formation loop of heater circuit F of the prior art; Make the damping element heating among the heater circuit F reach purpose through control energy is mobile between on-vehicle battery E and heater circuit F, improve the charge-discharge performance of on-vehicle battery E with this to on-vehicle battery E heating.Yet; When battery-driven car needed while driving a vehicle heating under low temperature environment, load capacitance C that need be through battery-driven car was constantly for vehicle load R provides energy, and heating can cause heater circuit F and load circuit to be worked simultaneously while driving a vehicle; Because heater circuit F can produce negative voltage when work; Cause load capacitance C voltage fluctuation big, heater circuit F also can receive the influence of load circuit and cause can't normal operation, shown in heater circuit F and the pairing voltage waveform sequential chart of load capacitance C in the battery-driven car running control system of the prior art of Fig. 2 A and Fig. 2 B; It is characterized in that V FRefer to the magnitude of voltage of heater circuit F, V CRefer to the output voltage values at load capacitance C two ends.
The utility model content
The purpose of the utility model is to be directed against the prior electric car when the low temperature environment down train; Because heating can cause heater circuit and load circuit to influence each other while driving a vehicle; The problem that causes the heater circuit cisco unity malfunction provides a kind of and can when battery-driven car heats while driving a vehicle, guarantee the battery-driven car running control system that heater circuit and load circuit are independent of each other.
The battery-driven car running control system that the utility model provides comprises heater circuit and load capacitance C12; Said heater circuit is used for connecting and composing heating circuit with on-vehicle battery; This control system also comprises switching device and switch control module; This switching device is parallelly connected with said heater circuit after connecting with said load capacitance C12, and said switch control module is connected with said switching device, is used for when said heater circuit and said on-vehicle battery are in coupled condition, controlling said switching device shutoff.
Preferably, this control system can also comprise the heater circuit control module, and this heater circuit control module is connected with said heater circuit, is used to control being connected and disconnection of said heater circuit and said on-vehicle battery.
Preferably; Said heater circuit can comprise mutual series connected damping element R1, DTSw device, electric current memory element L1 and charge storage cell C1; Said heater circuit control module is connected with said DTSw device, is used for controlling being connected and disconnection of said heater circuit and said on-vehicle battery through conducting of control DTSw device and shutoff.
Preferably, said damping element R1 can be said on-vehicle battery in-to-in dead resistance, and said electric current memory element L1 can be said on-vehicle battery in-to-in parasitic inductance.
Preferably, said damping element R1 can be resistance, and said electric current memory element L1 and electric current memory element L11 can be inductance, and said charge storage cell C1 can be electric capacity.
Preferably, said switching device can be DTSw device K3.
Preferably; Said switching device can comprise DTSw device K4 and DTSw device K5; Said DTSw device K4 and DTSw device K5 be differential concatenation each other, and said switch control module is connected respectively with DTSw device K5 with said DTSw device K4.
Preferably, said heater circuit also comprises the energy superpositing unit, and this energy superpositing unit is used for closing in the conducting of DTSw device again has no progeny, and energy in the heater circuit and the energy in the on-vehicle battery are superposeed; Said energy superpositing unit comprises the reversal of poles unit, and this reversal of poles unit is used for closing in the conducting of DTSw device again has no progeny, and the polarity of voltage of charge storage cell C1 is reversed.
Preferably, said heater circuit also comprises the energy buanch unit, and this energy buanch unit is used for closing in the conducting of DTSw device again has no progeny, and the energy in the heater circuit is transferred in the energy-storage travelling wave tube; Said energy buanch unit comprises that electric weight recharges the unit, and this electric weight recharges the unit and is used for closing in the conducting of DTSw device again and has no progeny, in the electric energy transfer in the heater circuit to said energy-storage travelling wave tube.
Preferably, said heater circuit also comprises energy stack and buanch unit; Stack of this energy and buanch unit are used for closing in the conducting of DTSw device again has no progeny, and the energy in the heater circuit is transferred in the energy-storage travelling wave tube, afterwards dump energy in the heater circuit and the energy in the on-vehicle battery is superposeed.
Preferably, stack of said energy and buanch unit comprise energy superpositing unit and energy buanch unit, and said energy buanch unit is used for closing in the conducting of DTSw device again has no progeny, and the energy in the heater circuit is transferred in the energy-storage travelling wave tube; Said energy superpositing unit is used for after said energy buanch unit carries out the energy transfer, dump energy in the heater circuit and the energy in the on-vehicle battery being superposeed; Said energy buanch unit comprises that electric weight recharges the unit; This electric weight recharges the unit and is used for closing in the conducting of DTSw device again and has no progeny; Energy in the heater circuit is transferred in the said energy-storage travelling wave tube; Said energy superpositing unit comprises the reversal of poles unit, and this reversal of poles unit is used for recharging the unit at said electric weight to carry out after energy shifts, and the polarity of voltage of charge storage cell C1 is reversed.
Preferably; Said energy stack and buanch unit comprise the DC-DC module; Said heater circuit control module also is connected with said DC-DC module; Be used for being transferred in the energy-storage travelling wave tube, afterwards dump energy among the said charge storage cell C1 and the energy in the Car Battery battery superposeed through the energy of control DC-DC module work with said charge storage cell C1.
Preferably; Said reversal of poles unit comprises single pole double throw switch J1 and single pole double throw switch J2; Said single pole double throw switch J1 and single pole double throw switch J2 lay respectively at said charge storage cell C1 two ends; The lambda line of said single pole double throw switch J1 is connected in the said heater circuit; First of said single pole double throw switch J1 goes out first pole plate of the said charge storage cell C1 of wire joint; Second of said single pole double throw switch J1 goes out second pole plate of the said charge storage cell C1 of wire joint; The lambda line of said single pole double throw switch J2 is connected in the said heater circuit, and first of said single pole double throw switch J2 goes out second pole plate of the said charge storage cell C1 of wire joint, and second outlet of said single pole double throw switch J2 is connected first pole plate of said charge storage cell C1; Said heater circuit control module also is connected respectively with single pole double throw switch J2 with said single pole double throw switch J1, is used for coming the polarity of voltage of said charge storage cell C1 is reversed through changing said single pole double throw switch J1 and single pole double throw switch J2 lambda line and the annexation of outlet separately.
Preferably; Said reversal of poles unit comprises unidirectional semiconductor element D3, electric current memory element L2 and K switch 9; Said charge storage cell C1, electric current memory element L2 and K switch 9 formation in sequential series loops; Said unidirectional semiconductor element D3 is connected between said charge storage cell C1 and electric current memory element L2 or said electric current memory element L2 and the K switch 9; Said heater circuit control module also is connected with said K switch 9, is used for coming the polarity of voltage of said charge storage cell C1 is reversed through master cock K9 conducting.
Preferably; Said reversal of poles unit comprises a DC-DC module and charge storage cell C2; Said heater circuit control module also is connected with a said DC-DC module; Be used for the energy of said charge storage cell C1 being transferred to said charge storage cell C2, again the energy back among the said charge storage cell C2 shifted back said charge storage cell C1, to realize counter-rotating to the polarity of voltage of said charge storage cell C1 through controlling a DC-DC module job.
Preferably; Said electric weight recharges unit pack and draws together the 2nd DC-DC module; Said heater circuit control module also is connected with said the 2nd DC-DC module, is used for through controlling the 2nd DC-DC module work the energy of charge storage cell C1 being transferred in the said on-vehicle battery.
Preferably, this control system also comprises energy limited circuit, and this energy limited circuit is used to limit the size of current that is flowed to on-vehicle battery by heater circuit.
Preferably; Said DTSw device comprises and is used to realize energy flows to heater circuit from on-vehicle battery the first unidirectional branch road and is used to realize that energy flows to the second unidirectional branch road of on-vehicle battery from heater circuit; In said heater circuit control module and the said first unidirectional branch road and the second unidirectional branch road one or both are connected respectively, in order to the conducting and the shutoff of control institute bonded assembly branch road.
Preferably, said energy limited circuit comprises electric current memory element L111, and this electric current memory element L111 is connected in the second unidirectional branch road.
Preferably; Said DTSw device comprises K switch 6, unidirectional semiconductor element D11 and unidirectional semiconductor element D12; K switch 6 is one another in series to constitute the said first unidirectional branch road with unidirectional semiconductor element D11; Unidirectional semiconductor element D12 constitutes the said second unidirectional branch road; Said heater circuit control module is connected with K switch 6, be used for through master cock K6 conducting with turn-off conducting and the shutoff of controlling the first unidirectional branch road, said electric current memory element L111 connects with unidirectional semiconductor element D12.
Preferably; Said DTSw device also comprises the K switch 7 that is arranged in the second unidirectional branch road; This K switch 7 is connected with unidirectional semiconductor element D12; Said heater circuit control module also is connected with K switch 7, be used for through master cock K7 conducting with turn-off conducting and the shutoff of controlling the second unidirectional branch road, said electric current memory element L111 is connected between unidirectional semiconductor element D12 and the K switch 7.
Preferably, this heater circuit also comprises unidirectional semiconductor element D15, unidirectional semiconductor element D16, K switch 10, K switch 11; The cathode of unidirectional semiconductor element D16 is connected between K switch 7 and the electric current memory element L111, and the sun level is connected to an end of K switch 11, and the other end of K switch 11 is connected to the negative level of on-vehicle battery; The sun level of unidirectional semiconductor element D15 is connected between unidirectional semiconductor element D12 and the electric current memory element L111, and cathode is connected to an end of K switch 10, and the other end of K switch 10 is connected to the negative level of on-vehicle battery; Said heater circuit control module also is connected with K switch 11 with K switch 10, is used for the conducting and the shutoff of master cock K10 and K switch 11.
Preferably, said heater circuit control module is used for: master cock K6 and K switch 7 conductings are so that energy flows to charge storage cell C1 and flows to on-vehicle battery from charge storage cell C1 from on-vehicle battery; When the magnitude of voltage at charge storage cell C1 two ends reaches value greater than first preset value of on-vehicle battery voltage, stopcock K7, actuating switch K11; Stopcock K11 when the electric current of the electric current memory element L111 that flows through is zero, and actuating switch K7 with K switch 10 so that the polarity of voltage at charge storage cell C1 two ends reverses.
Preferably, said heater circuit control module is used for: master cock K6 and K switch 7 conductings are so that energy flows to charge storage cell C1 and flows to on-vehicle battery from charge storage cell C1 from on-vehicle battery; When the magnitude of voltage at charge storage cell C1 two ends reaches value smaller or equal to second preset value of on-vehicle battery voltage, stopcock K7, actuating switch K11; When the electric current of the electric current memory element L111 that flows through reaches the second electric current settings, stopcock K11, actuating switch K7 and K switch 10; When the electric current of the electric current memory element L111 that flows through reached the first electric current settings, stopcock K10 was so that the energy among the electric current memory element L111 flows to on-vehicle battery; Actuating switch K7 and K10 when the electric current of the electric current memory element L111 that flows through is zero are so that the counter-rotating of the polarity of voltage at charge storage cell C1 two ends.
Owing to also comprise switching device and switch control module in the battery-driven car running control system that the utility model provides; Said switch control module is used for when said heater circuit and said on-vehicle battery are in coupled condition, controlling said switching device and breaks off; Thus; Can be when battery-driven car heats, heater circuit and on-vehicle battery connect and compose the heating circuit conducting time; Through the be connected disconnection of switching device control on-vehicle battery with load capacitance, stopping on-vehicle battery providing energy to load circuit, avoids it to influence each other through control heater circuit and load circuit time-sharing work.
Other feature and advantage of the utility model will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification sheets, is used to explain the utility model with the following specific embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of battery-driven car running control system of the prior art;
Fig. 2 A and Fig. 2 B be respectively with Fig. 1 in the battery-driven car running control system in heater circuit and the pairing voltage waveform sequential chart of load capacitance;
The structural representation of the battery-driven car running control system that Fig. 3 provides for the utility model;
The structural representation of heater circuit in the battery-driven car running control system that Fig. 4 provides for the utility model;
Fig. 5 is the scheme drawing of a kind of embodiment of the switching device among Fig. 4;
Fig. 6 is the scheme drawing of a kind of embodiment of the switching device among Fig. 4;
The structural representation of a kind of embodiment of the battery-driven car running control system that Fig. 7 provides for the utility model;
Fig. 8 be with Fig. 7 in the battery-driven car running control system in heater circuit and the cooresponding waveform sequential chart of load capacitance.
The scheme drawing of a kind of preferred implementation of the battery-driven car running control system that Fig. 9 provides for the utility model;
Figure 10 is the scheme drawing of a kind of embodiment of the energy superpositing unit among Fig. 9;
Figure 11 is the scheme drawing of a kind of embodiment of the reversal of poles unit among Figure 10;
Figure 12 is the scheme drawing of a kind of embodiment of the reversal of poles unit among Figure 10;
Figure 13 is the scheme drawing of a kind of embodiment of the reversal of poles unit among Figure 10;
Figure 14 is the scheme drawing of a kind of embodiment of the DC-DC module among Figure 13;
The scheme drawing of a kind of preferred implementation of the battery-driven car running control system that Figure 15 provides for the utility model;
Figure 16 is the scheme drawing of a kind of preferred implementation of the energy buanch unit among Figure 15;
Figure 17 recharges the scheme drawing of a kind of embodiment of unit for the electric weight among Figure 16;
Figure 18 is the scheme drawing of a kind of embodiment of the 2nd DC-DC module among Figure 17;
The scheme drawing of a kind of preferred implementation of the battery-driven car running control system that Figure 19 provides for the utility model;
Figure 20 is the scheme drawing of a kind of preferred implementation of energy stack and buanch unit among Figure 19;
The scheme drawing of a kind of embodiment of heater circuit in the battery-driven car running control system that Figure 21 provides for the utility model;
The scheme drawing of a kind of preferred implementation of heater circuit in the battery-driven car running control system that Figure 22 provides for the utility model;
The scheme drawing of a kind of preferred implementation of heater circuit in the battery-driven car running control system that Figure 23 provides for the utility model.
The structural representation of a kind of preferred implementation of the battery-driven car running control system that Figure 24 provides for the utility model; And
Figure 25 be with Figure 24 in the battery-driven car running control system in heater circuit and the cooresponding waveform sequential chart of load capacitance.
The specific embodiment
Be elaborated below in conjunction with the specific embodiment of accompanying drawing to the utility model.Should be understood that the specific embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
It is to be noted; Unless stated otherwise; When hereinafter mentioning; Term " heater circuit control module " for arbitrarily can be according to the condition of setting or the moment of setting output control command (for example pulse pattern) thus control the controller that connected heater circuit correspondingly starts or stops, for example can be PLC; When hereinafter mentioning; Term " DTSw " refers to and can realize break-make control or realize the DTSw of break-make control according to the components and parts self characteristics through electric signal, for example MOS type FET (MOSFET) or have the IGBT of anti-and flywheel diode; When hereinafter mentioning, term " charge storage cell " refers to can realize arbitrarily the device of charge storage, for example can be electric capacity etc.; When hereinafter mentioning, term " electric current memory element " refers to arbitrarily the device that can store electric current for example can be inductance etc.; When hereinafter mentioning, term " forward " refers to the direction that energy flows to heater circuit from on-vehicle battery, and term " oppositely " refers to the direction that energy flows to on-vehicle battery from heater circuit; When hereinafter mentioning, term " on-vehicle battery " comprises primary battery (for example dry storage battery, alkaline battery etc.) and secondary battery (for example lithium ion battery, nickel-cadmium cell, Ni-MH battery or lead-acid battery etc.); When hereinafter mentioning, term " damping element " refers to arbitrarily through flow of current being played inhibition to realize the device of expenditure of energy, for example can be for resistance etc.; When hereinafter mentioning, term " heating circuit " refers to the loop of on-vehicle battery and heater circuit composition.
What also need special version here is; Consider the different qualities of dissimilar on-vehicle batteries; In the utility model; " on-vehicle battery " can refer to not comprise the resistance of endophyte resistance and parasitic inductance or endophyte resistance and the less ideal battery of inductance value of parasitic inductance, also can refer to include the power brick of endophyte resistance and parasitic inductance; Therefore; Those skilled in the art should be understood that; When " on-vehicle battery " during for the less ideal battery of the inductance value of the resistance and the parasitic inductance that do not comprise endophyte resistance and parasitic inductance or endophyte resistance; Damping element R1 refers to the exterior damping element of on-vehicle battery, and electric current memory element L1 refers to the exterior electric current memory element of on-vehicle battery; When " on-vehicle battery " is when including the power brick of endophyte resistance and parasitic inductance; Damping element R1 both can refer to the exterior damping element of power brick; Also can refer to power brick in-to-in dead resistance; Likewise, electric current memory element L1 both can refer to the exterior electric current memory element of power brick, also can refer to power brick in-to-in parasitic inductance.
In order to realize battery-driven car heating while driving a vehicle in low temperature environment; The utility model provides a kind of battery-driven car running control system; As shown in Figure 3; This control system comprises heater circuit 11 and load capacitance C12, and said heater circuit 11 is used for connecting and composing heating circuit with on-vehicle battery 5, and said load capacitance C12 is used to vehicle load 6 energy is provided; This control system also comprises switching device 20 and switch control module 200; Parallelly connected with said heater circuit 11 after this switching device 20 is connected with said load capacitance C12, said switch control module 200 is connected with said switching device 20, is used for when said heater circuit 11 and said on-vehicle battery 5 are in coupled condition, controlling said switching device 20 shutoffs.
In order to guarantee the service life of on-vehicle battery, can under low temperature condition, control heater circuit 11 and be connected with vehicle-mounted circuit, heat through 11 pairs of on-vehicle batteries of heater circuit.When reaching heating condition, on-vehicle battery is heated, when reaching when stopping heating condition, break off being connected of heater circuit 11 and on-vehicle battery.
As shown in Figure 4; The battery-driven car running control system that the utility model provides also comprises heater circuit control module 100; This heater circuit control module 100 is connected with said heater circuit 11, is used to control being connected and disconnection of said heater circuit 11 and said on-vehicle battery 5.
Said heater circuit 11 comprises mutual series connected damping element R1, DTSw device 1, electric current memory element L1 and charge storage cell C1; Said heater circuit control module 100 is connected with said DTSw device 1, is used for controlling being connected and disconnection of said heater circuit 11 and said on-vehicle battery 5 through 1 conducting of control DTSw device and shutoff.
Thus, when reaching heating condition, 1 conducting of heater circuit control module 100 control DTSw devices; On-vehicle battery 5 connects and composes the loop with heater circuit 11; On-vehicle battery 5 can promptly charge to charge storage cell C1 through the loop discharge, when current in loop is zero through forward behind the current peak; Charge storage cell C1 begins through the loop discharge, promptly is to on-vehicle battery 5 chargings; In the charge and discharge process of on-vehicle battery 5, current in loop forward, reverse homomergic flow overdamping element R1, the heating through damping element R1 can reach the purpose to on-vehicle battery 5 heating.When reaching when stopping heating condition, heater circuit control module 100 can be controlled DTSw device 1 and turn-off, and heater circuit 11 quits work.
Technical scheme according to the utility model; Also comprise switching device 20 and switch control module 200 in the battery-driven car running control system that the utility model provides; It is parallelly connected after this switching device 20 is connected with said load capacitance C12 with said heater circuit 11; Said switch control module 200 is connected with said switching device 20, is used for when said heater circuit 11 is in coupled condition with said on-vehicle battery 5, controlling said switching device 20 and turn-offs.
Thus; When battery-driven car heats, heater circuit 11 and on-vehicle battery 5 connect and compose the heating circuit conducting time; Can be through of the be connected disconnection of switching device 20 control on-vehicle batteries 5 with load capacitance C12; Stopping on-vehicle battery 5 provides energy to load capacitance C12, avoids it to influence each other through control heater circuit 11 with the load circuit time-sharing work.
According to a kind of embodiment, said switching device 20 is DTSw K3, and is as shown in Figure 5, turn-offed the disconnection that is connected of controlling on-vehicle battery 5 and load capacitance C12 by switch control module 200 control DTSw K3.
According to another kind of embodiment; As shown in Figure 6; Said switching device 20 comprises DTSw K4 and DTSw K5; Said DTSw K4 and DTSw K5 be differential concatenation each other, and said switch control module 200 is connected respectively with DTSw K5 with said DTSw K4, is used for controlling through control DTSw K4 and the shutoff of DTSw K5 the disconnection that is connected of on-vehicle battery 5 and load capacitance C12.In this embodiment; Said switch control module 200 can through the setting to its internal processes, can be realized the break-make control to different outside connected switches for a separate controller; Said switch control module 200 also can be a plurality of controllers; For example to each outside connected switch corresponding switch control module 200 is set, said a plurality of switch control modules 200 also can become one, and the utility model is not made any qualification to the way of realization of switch control module 200.
Under the preferable case, said heater circuit control module 100 integrates with said switch control module 200.
The mode of operation of the battery-driven car running control system that the utility model is provided below in conjunction with Fig. 7 and Fig. 8 is carried out brief account.It should be noted that; Though characteristic of the utility model and element are described with specific combination with reference to figure 7 and Fig. 8; But each characteristic or element can be under the situation that does not have further feature and element use separately, or with or with under the various situation that further feature and element combine do not use.The battery-driven car running control system that the utility model provides is not limited to Fig. 7 and implementation shown in Figure 8.
In the battery-driven car running control system shown in Fig. 7; Heater circuit 11 comprises mutual series connected damping element R1, DTSw device 1, electric current memory element L1 and charge storage cell C1; Heater circuit 11 connects and composes the loop with on-vehicle battery 5; Vehicle load 6 is connected in parallel on load capacitance C12 two ends; Be used for the energy work that provides through load capacitance C12; Heater circuit control module 100 is connected with DTSw device 1, is used for controlling being connected and disconnection of said heater circuit 11 and said on-vehicle battery 5 through 1 conducting of control DTSw device and shutoff, and said switching device 20 is made up of DTSw K4 and DTSw K5 differential concatenation; Switch control module 200 is connected respectively with DTSw K5 with said DTSw K4, is used for controlling through control DTSw K4 and the shutoff of DTSw K5 the disconnection that is connected of on-vehicle battery 5 and load capacitance C12.
Fig. 8 be with Fig. 7 in heater circuit 11 and the cooresponding waveform sequential chart of load capacitance C12, wherein, V C1Be the magnitude of voltage at the charge storage cell C1 two ends in the heater circuit 11, V C12Magnitude of voltage for load capacitance C12 two ends.The working process that battery-driven car running control system among Fig. 7 heats while driving a vehicle is following:
A) in battery-driven car driving process, when needs heat on- vehicle battery 5,1 conducting of heater circuit control module 100 control DTSw devices; Heater circuit 11 connects and composes heating circuit with on-vehicle battery 5, and on-vehicle battery 5 promptly charges to the charge storage cell C1 in the heater circuit 11 through heater circuit 11 discharges; Simultaneously; Switch control module 200 control DTSw device K4 and DTSw device K5 turn-off, and disconnection on-vehicle battery 5 is connected with load capacitance C12's, and battery-driven car when driving at this moment; An energy remaining load 6 of short duration work of can buying car in installments among the load capacitance C12, the t1 time period as shown in Figure 8;
B) when the electric current in the heating circuit is zero through forward behind the current peak; Charge storage cell C1 in the heater circuit 11 begins through heating circuit to on-vehicle battery 5 chargings; When the charge storage cell C1 in the heater circuit 11 discharge reached minimum voltage value, said heater circuit control module 100 can be controlled DTSw device 1 and turn-off, and broke off being connected of said heater circuit 11 and said on-vehicle battery 5; Charge storage cell C1 keeps minimum voltage value, the t2 time period as shown in Figure 8;
C) when the energy shortage among the load capacitance C12 is worked for vehicle load 6; Can be through switch control module 200 control DTSw K4 and DTSw K5 conductings; Control on-vehicle battery 5 is connected with load capacitance C12; Can be through the 5 couples of load capacitance C12 of on-vehicle battery charging, the energy work that vehicle load 6 can provide through load capacitance C12, t3 time period as shown in Figure 8.
Comprise switching device 20 and switch control module 200 in the battery-driven car running control system that the utility model provides; When battery-driven car heats, heater circuit 11 and on-vehicle battery 5 connect and compose the heating circuit conducting time; Can be through of the be connected disconnection of switching device 20 control on-vehicle batteries 5 with load capacitance C12; Stopping on-vehicle battery 5 provides energy to load capacitance C12, avoids it to influence each other through control heater circuit 11 with the load circuit time-sharing work.
In above-mentioned heat process; When electric current when heater circuit 11 flows back to on-vehicle battery 5; Energy among the charge storage cell C1 can not flow back to on-vehicle battery 5 fully, remains among the charge storage cell C1 but have some energy, finally make charge storage cell C1 voltage near or equal the voltage of on-vehicle battery 5; Thereby make and to carry out to the energy Flow of charge storage cell C1, be unfavorable for the periodical duty of heater circuit 11 from on-vehicle battery 5.
Therefore, also increased the extra cell that the energy of energy in the charge storage cell C1 and on-vehicle battery 5 is superposeed, the energy in the charge storage cell C1 is transferred to functions such as other energy-storage travelling wave tubes in the utility model preferred implementation.When reaching certain moment, turn-off DTSw device 1, to the energy among the charge storage cell C1 superpose, operation such as transfer.
A kind of preferred implementation according to the utility model; As shown in Figure 9; In the control system that the utility model provides, heater circuit 11 can comprise the energy superpositing unit, and this energy superpositing unit is connected with the path that charge storage cell C1 forms with said electric current memory element L1; Be used for closing again and have no progeny, the energy in energy in the heater circuit 11 and the on-vehicle battery 5 is superposeed in 1 conducting of DTSw device.Said energy superpositing unit makes that at DTSw device 1 on-vehicle battery 5 can charge into charge storage cell C1 with the energy after the stack, improves the work efficiency of heater circuit 11 thus once more during conducting.
A kind of embodiment according to the utility model; Shown in figure 10; Said energy superpositing unit comprises reversal of poles unit 102, and this reversal of poles unit 102 and said electric current memory element L1 are connected with the path that charge storage cell C1 forms, and is used for closing in 1 conducting of DTSw device having no progeny again; Polarity of voltage to charge storage cell C1 reverses;, the polarity of voltage of the charge storage cell C1 after the reversal of poles concerns that when DTSw device 1 once more during conducting, the energy among the charge storage cell C1 can superpose with the energy in the on-vehicle battery 5 because forming the addition of connecting with the polarity of voltage of on-vehicle battery 5.
A kind of embodiment as reversal of poles unit 102; Shown in figure 11; Said reversal of poles unit 102 comprises single pole double throw switch J1 and single pole double throw switch J2; Said single pole double throw switch J1 and single pole double throw switch J2 lay respectively at said charge storage cell C1 two ends; The lambda line of said single pole double throw switch J1 is connected in the said heater circuit 11; First of said single pole double throw switch J1 goes out first pole plate of the said charge storage cell C1 of wire joint, and second of said single pole double throw switch J1 goes out second pole plate of the said charge storage cell C1 of wire joint, and the lambda line of said single pole double throw switch J2 is connected in the said heater circuit 11; First of said single pole double throw switch J2 goes out second pole plate of the said charge storage cell C1 of wire joint; Second outlet of said single pole double throw switch J2 is connected first pole plate of said charge storage cell C1, and said heater circuit control module 100 also is connected respectively with single pole double throw switch J2 with said single pole double throw switch J1, is used for coming the polarity of voltage of said charge storage cell C1 is reversed through changing said single pole double throw switch J1 and single pole double throw switch J2 lambda line and the annexation of outlet separately.
According to above-mentioned embodiment; Can be in advance single pole double throw switch J1 and single pole double throw switch J2 lambda line and the annexation of outlet separately be provided with; Make that when 1 conducting of DTSw device the lambda line of said single pole double throw switch J1 and its first goes out wire joint, and the lambda line of said single pole double throw switch J2 and its first goes out wire joint; When DTSw device 1 turn-offs; Lambda line through heater circuit control module 100 control single pole double throw switch J1 switches to it and second goes out wire joint, and the lambda line of said single pole double throw switch J2 switches to it and second goes out wire joint, realizes the purpose of charge storage cell C1 polarity of voltage counter-rotating thus.
Another kind of embodiment as reversal of poles unit 102; Shown in figure 12; Said reversal of poles unit 102 comprises unidirectional semiconductor element D3, electric current memory element L2 and K switch 9; Said charge storage cell C1, electric current memory element L2 and K switch 9 formation in sequential series loops; Said unidirectional semiconductor element D3 and be connected on said charge storage cell C1 and electric current memory element L2 or said electric current memory element L2 and K switch 9 between, said heater circuit control module 100 also is connected with said K switch 9, is used for coming the polarity of voltage of said charge storage cell C1 is reversed through master cock K9 conducting.
According to above-mentioned embodiment; When DTSw device 1 turn-offs, can pass through the 100 master cock K9 conductings of heater circuit control module, thus; Charge storage cell C1 and unidirectional semiconductor element D3, electric current memory element L2 and K switch 9 form the LC oscillation circuit; Charge storage cell C1 is through electric current memory element L2 discharge, and the electric current on the oscillation circuit is flowed through behind the positive half period, and the electric current of the electric current memory element L2 that flows through reaches the purpose of charge storage cell C1 polarity of voltage counter-rotating when being zero.
Another embodiment as reversal of poles unit 102; Shown in figure 13; Said reversal of poles unit 102 comprises a DC-DC module 2 and charge storage cell C2; The one DC-DC module 2 is connected respectively with charge storage cell C2 with said charge storage cell C1; Said heater circuit control module 100 also is connected with a said DC-DC module 2; Be used for the energy of said charge storage cell C1 being transferred to said charge storage cell C2, again the energy back among the said charge storage cell C2 shifted back said charge storage cell C1, with the counter-rotating of realization to the polarity of voltage of said charge storage cell C1 through controlling a DC-DC module 2 work.
A said DC-DC module 2 is that commonly used being used to realizes that the direct current of polarity of voltage counter-rotating becomes DC converting circuit in this area; The utility model is not done any restriction to the particular circuit configurations of a DC-DC module 2; As long as can realize the polarity of voltage counter-rotating to charge storage cell C1, those skilled in the art can increase, replace or delete the element in its circuit according to the needs of practical operation.
A kind of embodiment of the DC-DC module 2 that Figure 14 provides for the utility model; Shown in figure 14, a said DC-DC module 2 comprises: DTSw Q1, DTSw Q2, DTSw Q3, DTSw Q4, the first voltage transformer T1, unidirectional semiconductor element D4, unidirectional semiconductor element D5, electric current memory element L3, DTSw Q5, DTSw Q6, the second voltage transformer T2, unidirectional semiconductor element D6, unidirectional semiconductor element D7 and unidirectional semiconductor element D8.
In this embodiment, DTSw Q1, DTSw Q2, DTSw Q3 and DTSw Q4 are MOSFET, and DTSw Q5 and DTSw Q6 are IGBT.
Wherein, 1 pin of the said first voltage transformer T1,4 pin, 5 pin are end of the same name, and 2 pin of the second voltage transformer T2 and 3 pin are end of the same name.
Wherein, the anode of unidirectional semiconductor element D7 is connected with a end of capacitor C 1, and the negative electrode of unidirectional semiconductor element D7 is connected with the drain electrode of DTSw Q2 with DTSw Q1; The source electrode of DTSw Q1 is connected with the drain electrode of DTSw Q3; The source electrode of DTSw Q2 is connected with the drain electrode of DTSw Q4, and the source electrode of DTSw Q3, DTSw Q4 is connected with the b of capacitor C 1 end, constitutes full-bridge circuit thus; This moment, the polarity of voltage of capacitor C 1 was an a end for just, and the b end is for bearing.
In this full-bridge circuit, DTSw Q1, DTSw Q2 are last brachium pontis, and DTSw Q3, DTSw Q4 are following brachium pontis, and this full-bridge circuit links to each other with said charge storage cell C2 through the first voltage transformer T1; 1 pin of the first voltage transformer T1 is connected with first node N1,2 pin are connected with Section Point N2, and 3 pin and 5 pin are connected to the anode of unidirectional semiconductor element D4 and unidirectional semiconductor element D5 respectively; The negative electrode of unidirectional semiconductor element D4 and unidirectional semiconductor element D5 is connected with the end of electric current memory element L3, and the other end of electric current memory element L3 is connected with the d of charge storage cell C2 end; 4 pin of voltage transformer T1 are connected with the c of charge storage cell C2 end; The anode of unidirectional semiconductor element D8 is connected with the d end of charge storage cell C2; The negative electrode of unidirectional semiconductor element D8 is connected with the b end of charge storage cell C1; This moment charge storage cell C2 polarity of voltage be the c end for negative, the d end is for just.
Wherein, The c end of charge storage cell C2 connects the emitter of DTSw Q5, and the collecting electrode of DTSw Q5 is connected with 2 pin of voltage transformer T2, and 1 pin of voltage transformer T2 is connected with a of charge storage cell C1 end; 4 pin of voltage transformer T2 are connected with a of charge storage cell C1 end; 3 pin of voltage transformer T2 connect the anode of unidirectional semiconductor element D6, and the negative electrode of unidirectional semiconductor element D6 is connected with the collecting electrode of DTSw Q6, and the emitter of DTSw Q6 is connected with the b end of charge storage cell C2.
Wherein, DTSw Q1, DTSw Q2, DTSw Q3, DTSw Q4, DTSw Q5 and DTSw Q6 realize conducting and shutoff through the control of said heater circuit control module 100 respectively.
Describe in the face of the working process of a said DC-DC module 2 down:
1, has no progeny in DTSw device 1 pass; Said heater circuit control module 100 control DTSw Q5, DTSw Q6 turn-off; Control DTSw Q1 and DTSw Q4 conducting simultaneously are with formation A mutually; Control DTSw Q2, DTSw Q3 conducting simultaneously to be constituting the B phase, carries out work through controlling the conducting that alternates of said A phase, B to constitute full-bridge circuit;
2, when said full-bridge circuit is worked; Energy on the charge storage cell C1 is transferred on the charge storage cell C2 through the first voltage transformer T1, unidirectional semiconductor element D4, unidirectional semiconductor element D5 and electric current memory element L3; This moment charge storage cell C2 polarity of voltage be the c end for negative, the d end is for just.
3, said heater circuit control module 100 control DTSw Q5 conductings; Charge storage cell C1 is through the second voltage transformer T2 and unidirectional semiconductor element D8 and charge storage cell C2 formation path; Thus; Energy on the charge storage cell C2 is to charge storage cell C1 reverse transition, and wherein, portion of energy will be stored on the second voltage transformer T2; At this moment; Said heater circuit control module 100 control DTSw Q5 turn-off, DTSw Q6 is closed; The energy that will be stored on the second voltage transformer T2 through the second voltage transformer T2 and unidirectional semiconductor element D6 is transferred to charge storage cell C1, and to realize that charge storage cell C1 is carried out reverse charging, this moment, the polarity of voltage of charge storage cell C1 was reversed to a end for negative; The b end has reached the oppositely directed purpose of the polarity of voltage of charge storage cell C1 for just thus.
Those skilled in the art are to be understood that; The implementation that the polarity of voltage of charge storage cell C1 is reversed is not limited to above-mentioned several kinds of ad hoc structures; Those skilled in the art can adopt other structures to realize the polarity of voltage of charge storage cell C1 is reversed, for example charge pump etc.
For the energy in the heater circuit 11 is recycled; According to a kind of preferred implementation of the utility model, shown in figure 15, in the control system that the utility model provides; Heater circuit 11 can comprise the energy buanch unit; Said energy buanch unit and said electric current memory element L1 are connected with the path that charge storage cell C1 forms, and are used for closing in 1 conducting of DTSw device having no progeny again, and the energy in the heater circuit 11 is transferred in the energy-storage travelling wave tube.Said energy buanch unit purpose is the energy in the memory circuit is recycled.Said energy-storage travelling wave tube can be external capacitor, low temperature battery or electrical network and other consumers.
Under the preferable case; Said energy-storage travelling wave tube is the on-vehicle battery 5 that the utility model provides; Said energy buanch unit comprises that electric weight recharges unit 103, and this electric weight recharges unit 103 and said electric current memory element L1 and is connected with the path that charge storage cell C1 forms, and is used for closing in 1 conducting of DTSw device having no progeny again; Energy in the heater circuit 11 is transferred in the said on-vehicle battery 5, shown in figure 16.
Technical scheme according to the utility model; Have no progeny in DTSw device 1 pass; Through the energy buanch unit energy in the heater circuit 11 is transferred in the on-vehicle battery 5; Can carry out recycle to the energy that is transferred after the conducting once more at DTSw device 1, improve the work efficiency of heater circuit 11.
Recharge a kind of embodiment of unit 103 as electric weight; Shown in figure 17; Said electric weight recharges unit 103 and comprises the 2nd DC-DC module 3; The 2nd DC-DC module 3 is connected respectively with said on-vehicle battery 5 with said charge storage cell C1, and said heater circuit control module 100 also is connected with said the 2nd DC-DC module 3, is used for through controlling 3 work of the 2nd DC-DC module the energy of charge storage cell C1 being transferred in the said on-vehicle battery 5.
Said the 2nd DC-DC module 3 is that commonly used being used to realizes that the direct current that energy shifts becomes DC converting circuit in this area; The utility model is not done any restriction to the particular circuit configurations of the 2nd DC-DC module 3; As long as can realize the energy of charge storage cell C1 is shifted, those skilled in the art can increase, replace or delete the element in its circuit according to the needs of practical operation.
A kind of embodiment of the 2nd DC-DC module 3 that Figure 18 provides for the utility model; Shown in figure 18, said the 2nd DC-DC module 3 comprises: DTSw S1, DTSw S2, DTSw S3, DTSw S4, the 3rd voltage transformer T3, electric current memory element L4 and four unidirectional semiconductor elements.In this embodiment, said DTSw S1, DTSw S2, DTSw S3, DTSw S4 are MOSFET.
Wherein, 1 pin of said the 3rd voltage transformer T3 and 3 pin are end of the same name, and two unidirectional semiconductor element negative poles in said four unidirectional semiconductor elements join in groups, and contact is connected with the anode of on-vehicle battery 5 through electric current memory element L4; Two unidirectional semiconductor element positive poles join in groups in addition; Contact is connected with the negative terminal of on-vehicle battery 5, and group is connected with 4 pin with 3 pin of the 3rd voltage transformer T3 respectively with docking point between organizing, constitutes bridge rectifier circuit thus.
Wherein, The source electrode of DTSw S1 is connected with the drain electrode of DTSw S3; The source electrode of DTSw S2 is connected with the drain electrode of DTSw S4; The drain electrode of DTSw S1, DTSw S2 is connected with the anode of charge storage cell C1, and the source electrode of DTSw S3, DTSw S4 is connected with the negative terminal of charge storage cell C1, constitutes full-bridge circuit thus.
In this full-bridge circuit; DTSw S1, DTSw S2 are last brachium pontis; DTSw S3, DTSw S4 are brachium pontis down, and 1 pin of the 3rd voltage transformer T3 is connected with node between DTSw S1 and the DTSw S3,2 pin are connected with node between DTSw S2 and the DTSw S4.
Wherein, DTSw S1, DTSw S2, DTSw S3 and DTSw S4 realize conducting and shutoff through the control of said heater circuit control module 100 respectively.
Describe in the face of the working process of said the 2nd DC-DC module 3 down:
1, has no progeny in DTSw device 1 pass; Said heater circuit control module 100 control DTSw S1 and DTSw S4 conducting simultaneously are with formation A mutually; Control DTSw S2, DTSw S3 conducting simultaneously to be constituting the B phase, carries out work through controlling the conducting that alternates of said A phase, B to constitute full-bridge circuit;
2, when said full-bridge circuit is worked; Energy on the charge storage cell C1 is transferred on the on-vehicle battery 5 through the 3rd voltage transformer T3 and rectifying circuit; Said rectifying circuit is converted into direct current (DC) with the alternating current of importing and exports on-vehicle battery 5 to, reaches the purpose that electric weight recharges.
Those skilled in the art are to be understood that; The implementation that energy in the heater circuit 11 is transferred in the energy-storage travelling wave tube is not limited to above-mentioned ad hoc structure; Those skilled in the art can adopt other structures to realize the transfer to the energy in the heater circuit 11, for example charge pump, voltage transformer etc.
For the heater circuit 11 that the utility model is provided can be recycled the energy in the heater circuit 11 when increasing work efficiency; A kind of preferred implementation according to the utility model; Shown in figure 19, in the control system that the utility model provides, heater circuit 11 can comprise energy stack and buanch unit; This energy stack is connected with the path that charge storage cell C1 forms with said electric current memory element L1 with buanch unit; Be used for closing again and have no progeny, the energy in the heater circuit 11 is transferred in the energy-storage travelling wave tube, afterwards the energy in dump energy in the heater circuit 11 and the on-vehicle battery 5 is superposeed in 1 conducting of DTSw device.Said energy stack and buanch unit can either improve the work efficiency of heater circuit 11, can recycle the energy in the heater circuit 11 again.
Energy in dump energy in the heater circuit 11 and the on-vehicle battery 5 superposeed to reverse through the polarity of voltage with charge storage cell C1 realize; Its polarity formed the addition relation of connecting with the polarity of voltage of on-vehicle battery 5 after the polarity of voltage of charge storage cell C1 reversed; Thus; When conducting DTSw device 1 next time, the energy in the on-vehicle battery 5 can superpose with the energy among the charge storage cell C1.
Therefore; According to a kind of embodiment; Shown in figure 20; Said energy stack and buanch unit comprise DC-DC module 4, and this DC-DC module 4 is connected respectively with said on-vehicle battery 5 with said charge storage cell C1, and said heater circuit control module 100 also is connected with said DC-DC module 4; Be used for being transferred in the energy-storage travelling wave tube, afterwards dump energy among the said charge storage cell C1 and the energy in the on-vehicle battery 5 superposeed through the energy of control DC-DC module 4 work with said charge storage cell C1.
Said DC-DC module 4 is that commonly used being used to realizes that energy shifts and the direct current of polarity of voltage counter-rotating becomes DC converting circuit in this area; The utility model is not done any restriction to the particular circuit configurations of DC-DC module 4; As long as can realize the energy of charge storage cell C1 is shifted and the polarity of voltage counter-rotating, those skilled in the art can increase, replace or delete the element in its circuit according to the needs of practical operation.
A kind of embodiment as DC-DC module 4; Shown in figure 20, this DC-DC module 4 comprises: DTSw S1, DTSw S2, DTSw S3, DTSw S4, DTSw S5, DTSw S6, the 4th voltage transformer T4, unidirectional semiconductor element D13, unidirectional semiconductor element D14, electric current memory element L4 and four unidirectional semiconductor elements.In this embodiment, said DTSw S1, DTSw S2, DTSw S3, DTSw S4 are MOSFET, and DTSw S5 and DTSw S6 are IGBT.
Wherein, 1 pin of the 4th voltage transformer T4 and 3 pin are end of the same name, and two unidirectional semiconductor element negative poles in said four unidirectional semiconductor elements join in groups, and contact is connected with the anode of on-vehicle battery 5 through electric current memory element L4; Two unidirectional semiconductor element positive poles join in groups in addition; Contact is connected with the negative terminal of on-vehicle battery 5, and group is connected with 4 pin with 3 pin of the 3rd voltage transformer T3 with DTSw S6 through DTSw S5 respectively with docking point between organizing, constitutes bridge rectifier circuit thus.
Wherein, The source electrode of DTSw S1 is connected with the drain electrode of DTSw S3; The source electrode of DTSw S2 is connected with the drain electrode of DTSw S4; The drain electrode of DTSw S1, DTSw S2 is connected with the anode of charge storage cell C1 through unidirectional semiconductor element D13, and the source electrode of DTSw S3, DTSw S4 is connected with the negative terminal of charge storage cell C1 through unidirectional semiconductor element D14, constitutes full-bridge circuit thus.
In this full-bridge circuit; DTSw S1, DTSw S2 are last brachium pontis; DTSw S3, DTSw S4 are brachium pontis down, and 1 pin of the 4th voltage transformer T4 is connected with node between DTSw S1 and the DTSw S3,2 pin are connected with node between DTSw S2 and the DTSw S4.
Wherein, DTSw S1, DTSw S2, DTSw S3 and DTSw S4, DTSw S5 and DTSw S6 realize conducting and shutoff through the control of said heater circuit control module 100 respectively.
Describe in the face of the working process of said DC-DC module 4 down:
1, has no progeny in DTSw device 1 pass; When needs recharge with the transfer of realization energy to charge storage cell C1 execution electric weight; Said heater circuit control module 100 control DTSw S5 and S6 conductings; Control DTSw S1 and DTSw S4 conducting simultaneously to be constituting A mutually, and control DTSw S2, DTSw S3 conducting simultaneously to be constituting the B phase, carries out work through controlling the conducting that alternates of said A phase, B with the formation full-bridge circuit;
2, when said full-bridge circuit is worked; Energy on the charge storage cell C1 is transferred on the on-vehicle battery 5 through the 4th voltage transformer T4 and rectifying circuit; Said rectifying circuit is converted into direct current (DC) with the alternating current of importing and exports on-vehicle battery 5 to, reaches the purpose that electric weight recharges;
3, when needs carry out reversal of poles with the stack of realization energy to charge storage cell C1; Said heater circuit control module 100 control DTSw S5 turn-off with DTSw S6, control any one group of conducting among two groups of DTSw S1 and DTSw S4 or DTSw S2 and the DTSw S3; At this moment; Energy among the charge storage cell C1 is oppositely got back to its negative terminal through its anode, DTSw S1, the former limit of the 4th voltage transformer T4, DTSw S4; Perhaps oppositely get back to its negative terminal through its anode, DTSw S2, the former limit of the 4th voltage transformer T4, DTSw S3; Utilize the former limit magnetizing inductance of T4, reach the purpose of charge storage cell C1 being carried out the polarity of voltage counter-rotating.
According to another kind of embodiment; Said energy stack and buanch unit can comprise energy superpositing unit and energy buanch unit; Said energy buanch unit is connected with the path that charge storage cell C1 forms with said electric current memory element L1; Be used for closing in 1 conducting of DTSw device again and have no progeny, the energy in the heater circuit 11 is transferred in the energy-storage travelling wave tube, said energy superpositing unit is connected with the path that charge storage cell C1 forms with said electric current memory element L1; Be used for after said energy buanch unit carries out the energy transfer, the energy in dump energy in the heater circuit 11 and the on-vehicle battery 5 being superposeed.
Wherein, Energy superpositing unit and energy buanch unit that said energy superpositing unit and energy buanch unit all can adopt the utility model in aforementioned embodiments, to provide; Its purpose is to realize that the energy to charge storage cell C1 shifts and stack, and its concrete structure and function repeat no more at this.
Those skilled in the art are to be understood that; Energy in the heater circuit 11 is shifted the implementation that superposes again afterwards be not limited to above-mentioned several kinds of ad hoc structures; Those skilled in the art can adopt other structures to realize stack and transfer to the energy in the heater circuit 11, for example charge pump etc.
Technical scheme according to the utility model; Said DTSw device 1 can comprise and be used to realize energy flows to heater circuit 11 from on-vehicle battery 5 the first unidirectional branch road and be used to realize that energy flows to the second unidirectional branch road of on-vehicle battery 5 from heater circuit 11; In said heater circuit control module 100 and the said first unidirectional branch road and the second unidirectional branch road one or both are connected respectively, in order to the conducting and the shutoff of control institute bonded assembly branch road.Said energy limited circuit can comprise electric current memory element L111, and this electric current memory element L111 is connected in the second unidirectional branch road, to be used to limit the size of current that flows to on-vehicle battery 5.
A kind of embodiment as the DTSw device; Shown in figure 21; Said DTSw device 1 comprises K switch 6, unidirectional semiconductor element D11 and unidirectional semiconductor element D12; K switch 6 is one another in series to constitute the said first unidirectional branch road with unidirectional semiconductor element D11; Unidirectional semiconductor element D12 constitutes the said second unidirectional branch road, and said heater circuit control module 100 is connected with K switch 6, is used for conducting and the shutoff of controlling the first unidirectional branch road through conducting and the shutoff of master cock K6.Said electric current memory element L111 connects with unidirectional semiconductor element D12.In DTSw device 1 shown in figure 21, when needs heated, actuating switch K6 got final product, and in the time of need not heating, stopcock K6 gets final product.
Though the implementation of DTSw device 1 has as shown in Figure 21 realized energy and has come and gone along relatively independent bypass flow, can't realize the turn-off function when energy back flows.The utility model has also proposed the another kind of embodiment of DTSw device 1; Shown in figure 22; Said DTSw device 1 can also comprise the K switch 7 that is arranged in the second unidirectional branch road; This K switch 7 is connected with unidirectional semiconductor element D12, and said heater circuit control module 100 also is connected with K switch 7, is used for conducting and the shutoff of controlling the second unidirectional branch road through conducting and the shutoff of master cock K7.Like this in the DTSw device 1 shown in Figure 22, owing to all have switch (being K switch 6 and K switch 7), the turn-off function when possessing energy forward and counter-flow simultaneously on two unidirectional branch roads.
Said electric current memory element L111 is connected between unidirectional semiconductor element D12 and the K switch 7 to realize that restriction flows to the effect of the electric current of on-vehicle battery 5.
Technical scheme according to the utility model; When needs heat on- vehicle battery 5,1 conducting of heater circuit control module 100 control DTSw devices, on-vehicle battery 5 is connected with heater circuit 11 and is constituted the loop; 5 couples of charge storage cell C1 of on-vehicle battery charge; When current in loop was zero through forward behind the current peak, charge storage cell C1 began discharge, and electric current flows back to on-vehicle battery 5 from charge storage cell C1; Forward in the loop, counter-current current-sharing overdamping element R1, the heating through damping element R1 can reach the purpose to on-vehicle battery 5 heating.The circulation of above-mentioned charge and discharge process is carried out, and when the temperature build-up of on-vehicle battery 5 reaches when stopping heating condition, heater circuit control module 100 can be controlled DTSw device 1 and turn-off, and heater circuit 11 quits work.
In order to save components and parts, to reduce the volume of heater circuit 11; The utility model also provides a kind of preferred implementation; Make the electric current memory element L111 that is used for the energy limited effect also can be used in reversal of poles unit 102, in the time need carrying out reversal of poles, to work to the voltage at charge storage cell C1 two ends.In this preferred implementation; Shown in figure 23; Said DTSw device 1 can adopt DTSw device form shown in figure 22, and the electric current memory element L111 that is used for the energy limited effect is connected between the unidirectional semiconductor element D12 and K switch 7 on the second unidirectional branch road of DTSw device 1; Said heater circuit 11 also comprises unidirectional semiconductor element D15, unidirectional semiconductor element D16, K switch 10, K switch 11; The cathode of unidirectional semiconductor element D16 is connected between K switch 7 and the electric current memory element L111, and the sun level is connected to an end of K switch 11, and the other end of K switch 11 is connected to the negative level of on-vehicle battery 5; The sun level of unidirectional semiconductor element D15 is connected between unidirectional semiconductor element D12 and the electric current memory element L111, and cathode is connected to an end of K switch 10, and the other end of K switch 10 is connected to the negative level of on-vehicle battery 5; Said heater circuit control module 100 also is connected with K switch 11 with K switch 10, is used for the conducting and the shutoff of master cock K10 and K switch 11.
In this preferred implementation; Heater circuit control module 100 can adopt various conducting to turn-off strategy for the control of the K switch in the heater circuit 11 6, K7, K10 and K11; As long as can realize energy flowing between on-vehicle battery 5 and charge storage cell C1, and can the voltage reversal at charge storage cell C1 two ends be got final product.For example; In a kind of mode, when needs heated on-vehicle battery 5, said heater circuit control module 100 master cock K6 and K switch 7 conductings were so that energy flows to charge storage cell C1 from on-vehicle battery 5; And flow to on-vehicle battery 5 (wherein from charge storage cell C1 again; For K switch 6 and K switch 7, conducting simultaneously also can be closed the actuating switch K7 again that has no progeny in K switch 6); When the magnitude of voltage at charge storage cell C1 two ends reaches value greater than first preset value of on-vehicle battery 5 voltages; Stopcock K7; Actuating switch K11; Stopcock K11 when the electric current of the electric current memory element L111 that flows through is zero, and actuating switch K7 with K switch 10 so that the polarity of voltage at charge storage cell C1 two ends reverses.And for example; In another kind of mode; When needs during to on-vehicle battery 5 heating, said heater circuit control module 100 master cock K6 and K switch 7 conductings are so that energy flows to charge storage cell C1 from on-vehicle battery 5, and flow to on-vehicle battery 5 from charge storage cell C1 again; When the magnitude of voltage at charge storage cell C1 two ends reaches value smaller or equal to second preset value of on-vehicle battery 5 voltages; Stopcock K7; Actuating switch K11, when the electric current of the electric current memory element L111 that flows through reaches the second electric current settings, stopcock K11; Actuating switch K7 and K switch 10; When the electric current of the electric current memory element L111 that flows through reached the first electric current settings, stopcock K10 was so that the energy among the electric current memory element L111 flows to on-vehicle battery 5, and actuating switch K7 and K10 when the electric current of the electric current memory element L111 that flows through is zero are so that the counter-rotating of the polarity of voltage at charge storage cell C1 two ends.
The mode of operation of the battery-driven car running control system that comprises the energy superpositing unit that the utility model is provided below in conjunction with Figure 24 and Figure 25 is carried out brief account.
In the battery-driven car running control system shown in Figure 24; Heater circuit 11 comprises mutual series connected damping element R1, DTSw device 1, electric current memory element L1 and charge storage cell C1; Heater circuit 11 connects and composes the loop with on-vehicle battery 5; Vehicle load 6 is connected in parallel on load capacitance C12 two ends; Be used for the energy work that provides through load capacitance C12; Heater circuit control module 100 is connected with DTSw device 1, is used for controlling being connected and disconnection of said heater circuit 11 and said on-vehicle battery 5 through 1 conducting of control DTSw device and shutoff, and said switching device 20 is made up of DTSw K4 and DTSw K5 differential concatenation; Switch control module 200 is connected respectively with DTSw K5 with said DTSw K4; Be used for controlling the disconnection that is connected of on-vehicle battery 5 and load capacitance C12 through control DTSw K4 and the shutoff of DTSw K5, unidirectional semiconductor element D3, electric current memory element L2 and K switch 9 formation reversal of poles unit 102, heater circuit control module 100 can master cock K9 and the conducting and the shutoff of K switch 3.
Figure 25 be with Figure 24 in heater circuit 11 and the cooresponding waveform sequential chart of load capacitance C12, wherein, V C1Be the magnitude of voltage at the charge storage cell C1 two ends in the heater circuit 11, V C12Magnitude of voltage for load capacitance C12 two ends.The working process that battery-driven car running control system among Figure 24 heats while driving a vehicle is following:
A) in battery-driven car driving process, when needs heat on- vehicle battery 5,1 conducting of heater circuit control module 100 control DTSw devices; Heater circuit 11 connects and composes heating circuit with on-vehicle battery 5, and on-vehicle battery 5 promptly charges to the charge storage cell C1 in the heater circuit 11 through heater circuit 11 discharges; Simultaneously; Switch control module 200 control DTSw device K4 and DTSw device K5 turn-off, and disconnection on-vehicle battery 5 is connected with load capacitance C12's, and battery-driven car when driving at this moment; An energy remaining load 6 of short duration work of can buying car in installments among the load capacitance C12, the t1 time period as shown in Figure 25;
B) when the electric current in the heating circuit is zero through forward behind the current peak; Charge storage cell C1 in the heater circuit 11 begins through heating circuit to on-vehicle battery 5 chargings; When the charge storage cell C1 in the heater circuit 11 discharge reached minimum voltage value, said heater circuit control module 100 can be controlled DTSw device 1 and turn-off, and broke off being connected of said heater circuit 11 and said on-vehicle battery 5; Simultaneously; The 100 master cock K9 conductings of heater circuit control module, 102 work of reversal of poles unit, the loop discharge that charge storage cell C1 forms through unidirectional semiconductor element D3, electric current memory element L2 and K switch 9; And reach the purpose of polarity of voltage counter-rotating, this moment charge storage cell C1 two ends magnitude of voltage V C1Drop to negative value, afterwards, heater circuit control module 100 master cock K9 turn-off, the t2 time period as shown in Figure 25;
C) when the energy shortage among the load capacitance C12 is worked for vehicle load 6; Can be through switch control module 200 control DTSw K4 and DTSw K5 conductings; Control on-vehicle battery 5 is connected with load capacitance C12; Can be through the 5 couples of load capacitance C12 of on-vehicle battery charging, the energy work that vehicle load 6 can provide through load capacitance C12, t3 time period as shown in Figure 25.
Owing to comprise switching device 20 and switch control module 200 in the above-mentioned battery-driven car running control system that comprises the energy superpositing unit; When battery-driven car heats, heater circuit 11 and on-vehicle battery 5 connect and compose the heating circuit conducting time; Can be through of the be connected disconnection of switching device 20 control on-vehicle batteries 5 with load capacitance C12; Stopping on-vehicle battery 5 provides energy to load capacitance C12, avoids it to influence each other through control heater circuit 11 with the load circuit time-sharing work.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove in addition; Each concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.In addition, also can carry out combination in any between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.

Claims (25)

1. battery-driven car running control system; This control system comprises heater circuit (11) and load capacitance C12; Said heater circuit (11) is used for connecting and composing heating circuit with on-vehicle battery (5); It is characterized in that this control system also comprises switching device (20) and switch control module (200), this switching device (20) is parallelly connected with said heater circuit (11) after connecting with said load capacitance C12; Said switch control module (200) is connected with said switching device (20), is used for controlling said switching device (20) when being in coupled condition at said heater circuit (11) and said on-vehicle battery (5) and turn-offs.
2. control system according to claim 1; It is characterized in that; This control system also comprises heater circuit control module (100); This heater circuit control module (100) is connected with said heater circuit (11), is used to control being connected and disconnection of said heater circuit (11) and said on-vehicle battery (5).
3. control system according to claim 2 is characterized in that, said heater circuit control module (100) integrates with said switch control module (200).
4. control system according to claim 2; It is characterized in that; Said heater circuit (11) comprises mutual series connected damping element R1, DTSw device (1), electric current memory element L1 and charge storage cell C1; Said heater circuit control module (100) is connected with said DTSw device (1), is used for controlling being connected and disconnection of said heater circuit (11) and said on-vehicle battery (5) through control DTSw device (1) conducting and shutoff.
5. control system according to claim 4 is characterized in that, said damping element R1 is said on-vehicle battery (a 5) in-to-in dead resistance, and said electric current memory element L1 is said on-vehicle battery (a 5) in-to-in parasitic inductance.
6. control system according to claim 4 is characterized in that, said damping element R1 is a resistance, and said electric current memory element L1 and electric current memory element L11 are inductance, and said charge storage cell C1 is an electric capacity.
7. control system according to claim 1 is characterized in that, said switching device (20) is DTSw K3.
8. control system according to claim 1; It is characterized in that; Said switching device (20) comprises DTSw K4 and DTSw K5; Said DTSw K4 and DTSw K5 be differential concatenation each other, and said switch control module (200) is connected respectively with DTSw K5 with said DTSw K4.
9. control system according to claim 4; It is characterized in that; Said heater circuit (11) also comprises the energy superpositing unit; This energy superpositing unit is used for closing in DTSw device (1) conducting again has no progeny, and the energy in energy in the heater circuit (11) and the on-vehicle battery (5) is superposeed; Said energy superpositing unit comprises reversal of poles unit (102), and this reversal of poles unit (102) is used for closing in DTSw device (1) conducting again has no progeny, and the polarity of voltage of charge storage cell C1 is reversed.
10. control system according to claim 4; It is characterized in that; Said heater circuit (11) also comprises the energy buanch unit, and this energy buanch unit is used for closing in DTSw device (1) conducting again has no progeny, and the energy in the heater circuit (11) is transferred in the energy-storage travelling wave tube; Said energy buanch unit comprises that electric weight recharges unit (103), and this electric weight recharges unit (103) and is used for closing in DTSw device (1) conducting again and has no progeny, in the electric energy transfer in the heater circuit (11) to said energy-storage travelling wave tube.
11. control system according to claim 4; It is characterized in that; Said heater circuit (11) also comprises energy stack and buanch unit; Stack of this energy and buanch unit are used for closing in DTSw device (1) conducting again has no progeny, and the energy in the heater circuit (11) is transferred in the energy-storage travelling wave tube, afterwards the energy in dump energy in the heater circuit (11) and the on-vehicle battery (5) is superposeed.
12. control system according to claim 11; It is characterized in that; Said energy stack and buanch unit comprise energy superpositing unit and energy buanch unit; Said energy buanch unit is used for closing in DTSw device (1) conducting again has no progeny, and the energy in the heater circuit (11) is transferred in the energy-storage travelling wave tube; Said energy superpositing unit is used for after said energy buanch unit carries out the energy transfer, the energy in dump energy in the heater circuit (11) and the on-vehicle battery (5) being superposeed; Said energy buanch unit comprises that electric weight recharges unit (103); This electric weight recharges unit (103) and is used for closing in DTSw device (1) conducting again and has no progeny; Energy in the heater circuit (11) is transferred in the said energy-storage travelling wave tube; Said energy superpositing unit comprises reversal of poles unit (102), and this reversal of poles unit (102) is used for recharging unit (103) at said electric weight to carry out after energy shifts, and the polarity of voltage of charge storage cell C1 is reversed.
13. control system according to claim 11; It is characterized in that; Said energy stack and buanch unit comprise DC-DC module (4); Said heater circuit control module (100) also is connected with said DC-DC module (4), is used for being transferred in the energy-storage travelling wave tube through the energy of control DC-DC module (4) work with said charge storage cell C1, afterwards the energy in dump energy among the said charge storage cell C1 and the Car Battery battery (5) is superposeed.
14. according to claim 9 or 12 described control system; It is characterized in that; Said reversal of poles unit (102) comprises single pole double throw switch J1 and single pole double throw switch J2; Said single pole double throw switch J1 and single pole double throw switch J2 lay respectively at said charge storage cell C1 two ends; The lambda line of said single pole double throw switch J1 is connected in the said heater circuit (11); First of said single pole double throw switch J1 goes out first pole plate of the said charge storage cell C1 of wire joint; Second of said single pole double throw switch J1 goes out second pole plate of the said charge storage cell C1 of wire joint; The lambda line of said single pole double throw switch J2 is connected in the said heater circuit (11), and first of said single pole double throw switch J2 goes out second pole plate of the said charge storage cell C1 of wire joint, and second outlet of said single pole double throw switch J2 is connected first pole plate of said charge storage cell C1; Said heater circuit control module (100) also is connected respectively with single pole double throw switch J2 with said single pole double throw switch J1, is used for coming the polarity of voltage of said charge storage cell C1 is reversed through changing said single pole double throw switch J1 and single pole double throw switch J2 lambda line and the annexation of outlet separately.
15. according to claim 9 or 12 described control system; It is characterized in that; Said reversal of poles unit (102) comprises unidirectional semiconductor element D3, electric current memory element L2 and K switch 9; Said charge storage cell C1, electric current memory element L2 and K switch 9 formation in sequential series loops; Said unidirectional semiconductor element D3 is connected between said charge storage cell C1 and electric current memory element L2 or said electric current memory element L2 and the K switch 9, and said heater circuit control module (100) also is connected with said K switch 9, is used for coming the polarity of voltage of said charge storage cell C1 is reversed through master cock K9 conducting.
16. according to claim 9 or 12 described control system; It is characterized in that; Said reversal of poles unit (102) comprises a DC-DC module (2) and a charge storage cell C2; Said heater circuit control module (100) also is connected with a said DC-DC module (2); Be used for the energy of said charge storage cell C1 being transferred to said charge storage cell C2, again the energy back among the said charge storage cell C2 shifted back said charge storage cell C1, with the counter-rotating of realization to the polarity of voltage of said charge storage cell C1 through controlling a DC-DC module (2) work.
17. according to claim 10 or 12 described control system; It is characterized in that; Said electric weight recharges unit (103) and comprises the 2nd DC-DC module (3); Said heater circuit control module (100) also is connected with said the 2nd DC-DC module (3), is used for through controlling the work of the 2nd DC-DC module (3) energy of charge storage cell C1 being transferred in the said on-vehicle battery (5).
18. control system according to claim 4 is characterized in that, this control system also comprises energy limited circuit, and this energy limited circuit is used for restriction is flowed to on-vehicle battery (5) by heater circuit (11) size of current.
19. control system according to claim 18; It is characterized in that; Said DTSw device (1) comprises and is used to realize energy flows to heater circuit (11) from on-vehicle battery (5) the first unidirectional branch road and is used to realize that energy flows to the second unidirectional branch road of on-vehicle battery (5) from heater circuit (11); In said heater circuit control module (100) and the said first unidirectional branch road and the second unidirectional branch road one or both are connected respectively, in order to the conducting and the shutoff of control institute bonded assembly branch road.
20. control system according to claim 19 is characterized in that, said energy limited circuit comprises electric current memory element L111, and this electric current memory element L111 is connected in the second unidirectional branch road.
21. control system according to claim 20; It is characterized in that; Said DTSw device (1) comprises K switch 6, unidirectional semiconductor element D11 and unidirectional semiconductor element D12; K switch 6 is one another in series to constitute the said first unidirectional branch road with unidirectional semiconductor element D11, and unidirectional semiconductor element D12 constitutes the said second unidirectional branch road, and said heater circuit control module (100) is connected with K switch 6; Be used for through master cock K6 conducting with turn-off conducting and the shutoff of controlling the first unidirectional branch road, said electric current memory element L111 connects with unidirectional semiconductor element D12.
22. the control system of battery according to claim 21; It is characterized in that; Said DTSw device (1) also comprises the K switch 7 that is arranged in the second unidirectional branch road, and this K switch 7 is connected with unidirectional semiconductor element D12, and said heater circuit control module (100) also is connected with K switch 7; Be used for through master cock K7 conducting with turn-off conducting and the shutoff of controlling the second unidirectional branch road, said electric current memory element L111 is connected between unidirectional semiconductor element D12 and the K switch 7.
23. control system according to claim 22, this heater circuit (11) also comprise unidirectional semiconductor element D15, unidirectional semiconductor element D16, K switch 10, K switch 11; The cathode of unidirectional semiconductor element D16 is connected between K switch 7 and the electric current memory element L111, and the sun level is connected to an end of K switch 11, and the other end of K switch 11 is connected to the negative level of on-vehicle battery (5); The sun level of unidirectional semiconductor element D15 is connected between unidirectional semiconductor element D12 and the charge storage cell L111, and cathode is connected to an end of K switch 10, and the other end of K switch 10 is connected to the negative level of on-vehicle battery (5); Said heater circuit control module (100) also is connected with K switch 11 with K switch 10, is used for the conducting and the shutoff of master cock K10 and K switch 11.
24. control system according to claim 23 is characterized in that, said heater circuit control module (100) is used for:
Master cock K6 and K switch 7 conductings are so that energy flows to charge storage cell C1 and flows to on-vehicle battery (5) from charge storage cell C1 from on-vehicle battery (5);
When the magnitude of voltage at charge storage cell C1 two ends reaches value greater than first preset value of on-vehicle battery (5) voltage, stopcock K7, actuating switch K11;
Stopcock K11 when the electric current of the electric current memory element L111 that flows through is zero, and actuating switch K7 with K switch 10 so that the polarity of voltage at charge storage cell C1 two ends reverses.
25. control system according to claim 23 is characterized in that, said heater circuit control module (100) is used for:
Master cock K6 and K switch 7 conductings are so that energy flows to charge storage cell C1 and flows to on-vehicle battery (5) from charge storage cell C1 from on-vehicle battery (5);
When the magnitude of voltage at charge storage cell C1 two ends reaches value smaller or equal to second preset value of on-vehicle battery (5) voltage, stopcock K7, actuating switch K11;
When the electric current of the electric current memory element L111 that flows through reaches the second electric current settings, stopcock K11, actuating switch K7 and K switch 10;
When the electric current of the electric current memory element L111 that flows through reached the first electric current settings, stopcock K10 was so that the energy among the electric current memory element L111 flows to on-vehicle battery (5);
Actuating switch K7 and K10 when the electric current of the electric current memory element L111 that flows through is zero are so that the counter-rotating of the polarity of voltage at charge storage cell C1 two ends.
CN2012200228616U 2012-01-18 2012-01-18 Electric car traffic control system Expired - Lifetime CN202541451U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103213508A (en) * 2012-01-18 2013-07-24 比亚迪股份有限公司 Driving control system of electric vehicle
CN105774696A (en) * 2014-12-23 2016-07-20 中国端子电业股份有限公司 Vehicle control system and method
CN109476266A (en) * 2016-07-08 2019-03-15 戴姆勒股份公司 Battery device for a motor vehicle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103213508A (en) * 2012-01-18 2013-07-24 比亚迪股份有限公司 Driving control system of electric vehicle
WO2013107373A1 (en) * 2012-01-18 2013-07-25 Shenzhen Byd Auto R&D Company Limited Electric vehicle running control system
CN105774696A (en) * 2014-12-23 2016-07-20 中国端子电业股份有限公司 Vehicle control system and method
CN109476266A (en) * 2016-07-08 2019-03-15 戴姆勒股份公司 Battery device for a motor vehicle

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