CN205544525U - Lithium cell and parallelly connected driving system who uses of lead -acid batteries's mixture - Google Patents
Lithium cell and parallelly connected driving system who uses of lead -acid batteries's mixture Download PDFInfo
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- CN205544525U CN205544525U CN201620098334.1U CN201620098334U CN205544525U CN 205544525 U CN205544525 U CN 205544525U CN 201620098334 U CN201620098334 U CN 201620098334U CN 205544525 U CN205544525 U CN 205544525U
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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
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- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model relates to a lithium cell and parallelly connected driving system who uses of lead -acid batteries's mixture. Include intelligent direct current controller and connected plumbic acid power battery, lithium ion power battery, the control end of intelligence direct current controller is connected with the output of electric vehicle controller to receive the control signal of electric vehicle controller, intelligence direct current controller still is connected with the electric vehicle motor, detects plumbic acid power battery, lithium ion power battery voltage, control plumbic acid power battery, lithium ion power battery connect in parallel to the power supply of electric vehicle motor, intelligence direct current controller still is connected with the charger to the filter circuit who does benefit to through intelligent direct current controller does plumbic acid power battery, lithium ion power battery charge simultaneously. The utility model discloses overcome the parallelly connected problems of discharging and bringing of two kinds of powers of different nature to solve the parallel -connection charging problem of heterogeneity battery, compensatied the intrinsic shortcoming of different powers simultaneously, improve the wholeness ability.
Description
Technical field
This utility model mainly acts on the electrochmical power source of electric power system, is specifically related to the dynamical system that a kind of lithium battery is used in parallel with the mixing of lead-acid battery.
Background technology
Electrochmical power source takes turns electric motor car for 2 in the market, and 4 take turns low-speed electronic car, mainly have lead-acid battery, lithium battery, Ni-MH battery etc..And main product is lead-acid battery, lead-acid battery has a disadvantage that 1 as power source, the life-span is short, 2, after lead-acid battery load, voltage drop is big, shows as being short of power, goes up a slope unable, 3, volume is big, and Heavy Weight limits bicycle battery carrying amount and causes the distance travelled of vehicle limited.And lithium battery is exactly contrary with the pluses and minuses of lead-acid battery, there is the life-span long, the features such as after load, pressure drop is little, small in volume.
It is of the present utility model it is important that the intelligent DC current controller of invention combines with the lithium battery configured by a certain percentage, the electrical property excellent by lithium battery is playing in the system of primary chemical power supply with lead-acid battery: 1, improve the electrochmical power source total capacitance of this system, (increase distance travelled) 2, alleviate lead-acid battery load after discharge current size, (battery discharge multiplying power reduces, battery life will greatly extend) 3, greatly reduce the voltage drop after lead-acid battery load, play the effect of voltage stabilizing.
This utility model improves, and 2 takes turns electric motor car, 4 takes turns low-speed electronic car, the comprehensive discharge performance of the product with plumbic acid as main electricity such as some power-supply systems and capacity.
Summary of the invention
The purpose of this utility model is the dynamical system providing a kind of lithium battery used in parallel with the mixing of lead-acid battery, overcome the problems that two kinds of power sources in parallel of different nature electric discharges bring, and solve the charged in parallel problem of heterogeneity battery, compensate for the shortcoming that different electrical power is intrinsic simultaneously, improve overall performance.
For achieving the above object, the technical solution of the utility model is: the dynamical system that a kind of lithium battery is used in parallel with the mixing of lead-acid battery, the lead-acid power accumulator including intelligent DC current controller and being connected respectively with this intelligent DC current controller, lithium-ion-power cell；The end that controls of described intelligent DC current controller is connected with the outfan of electric vehicle controller, to receive the control signal of electric vehicle controller；Described intelligent DC current controller is also associated with electric vehicle motor, by detection described lead-acid power accumulator, lithium-ion-power cell voltage, controls described lead-acid power accumulator, lithium-ion-power cell parallel connection is that described electric vehicle motor is powered；Described intelligent DC current controller is also associated with charger, and being beneficial to charger by the filter circuit of intelligent DC current controller is that described lead-acid power accumulator, lithium-ion-power cell charge simultaneously.
In this utility model one embodiment, described lead-acid power accumulator specification is 48V 12Ah/20Ah or 60V 20Ah/30Ah, relative described lithium-ion-power cell specification is lead-acid power accumulator corresponding voltage, and capacity is the lithium battery of pairing lead-acid power accumulator 1/3 ~ 3/4 capacity.
In this utility model one embodiment, described intelligent DC current controller includes IC chip and the voltage detection module being connected with this IC chip, power module, battery charging and discharging module, LED light module；Described voltage detection module is for detecting control signal, lead-acid power accumulator voltage signal and the lithium-ion-power cell voltage signal of the outfan output of electric vehicle controller, described power module is for powering for whole intelligent DC current controller, described battery charging and discharging module is for controlling the discharge and recharge of lead-acid power accumulator voltage signal and lithium-ion-power cell, and described LED light module is for the duty of indicating intelligent DC current controller.
In this utility model one embodiment, described voltage detection module includes the first to tertiary voltage testing circuit, described first voltage detecting circuit is for detecting the control signal of the outfan output of electric vehicle controller, described second voltage detecting circuit is used for detecting lead-acid power accumulator voltage signal, and described tertiary voltage testing circuit is used for detecting lithium-ion-power cell voltage signal.
In this utility model one embodiment, described first voltage detecting circuit includes the first to the second electric capacity, the first to the second resistance, one end of described first electric capacity, one end of first resistance, one end of second resistance is connected the input as the first voltage detecting circuit, and it is connected to the outfan of described electric vehicle controller, the other end of described first electric capacity, the other end of the first resistance and one end of the second electric capacity are connected and are connected to GND, the other end of described second electric capacity and the other end of the second resistance are connected the outfan as the first voltage detecting circuit, and it is connected to described IC chip；Described second voltage detecting circuit, tertiary voltage testing circuit circuit connection structure identical with described first voltage detecting circuit, wherein, described second voltage detecting circuit, the input of tertiary voltage testing circuit are connected with described battery charging and discharging module through the 3rd resistance, the 4th resistance respectively, and the second voltage detecting circuit, the outfan of tertiary voltage testing circuit are connected with described IC chip respectively.
In this utility model one embodiment, described power module is for being converted to 5V by 12V power supply.
In this utility model one embodiment, described battery charging and discharging module includes the first electrochemical capacitor, the second electrochemical capacitor, relay, diode, audion, first to fourth dual common-cathode Schottky diode, the 5th resistance, the 6th resistance, the 7th resistance；nullThe positive pole of described first electrochemical capacitor、The positive pole of the second electrochemical capacitor、One end of relay normally open switch、The negative electrode of the first dual common-cathode Schottky diode、The positive pole of lithium-ion-power cell is connected and is connected to the input of described tertiary voltage testing circuit，The negative pole of described first electrochemical capacitor、The negative pole of the second electrochemical capacitor、The negative pole of lead-acid power accumulator、The negative pole of lithium-ion-power cell、Charger input negative pole is connected and is connected to GND，The other end of described relay normally open switch and the anode of the second dual common-cathode Schottky diode、The anode of the 3rd dual common-cathode Schottky diode is connected，One end of described relay control coil、The negative electrode of diode is connected to the positive pole of 12V power supply，The other end of described relay control coil、The anode of diode is connected and is connected to the colelctor electrode of described audion，The base stage of described audion is connected with IC chip through the 5th resistance，The base stage of described audion is also connected with the emitter stage of audion through the 6th resistance and is connected to GND，The anode of described first common cathode Schottky diode、The anode of the 4th common cathode Schottky diode、One end of 7th resistance is connected and is connected to the positive pole of charger input，The negative electrode of described second common cathode Schottky diode、The negative electrode of the 3rd common cathode Schottky diode、The negative electrode of the 4th common cathode Schottky diode、The other end of the 7th resistance、The positive pole of lead-acid power accumulator is connected and is connected to the input of described second voltage detecting circuit.
In this utility model one embodiment, described LED indicating module includes red LED lamp, blue led lamp, yellow LED lamp and green LED lamp, wherein, red LED lamp is used for indicating relay duty, blue led lamp is used for indicating lithium-ion-power cell to be in high pressure, yellow LED lamp is used for indicating lead-acid power accumulator to be in high pressure, and green LED lamp is used for indicating lithium-ion-power cell and lead-acid power accumulator voltage difference less than threshold value.
In this utility model one embodiment, described electric vehicle includes 2 taking turns electric motor car, 4 taking turns low-speed electronic car, and described electric vehicle controller is hall controller.
In this utility model one embodiment, described IC chip is 51 series monolithics.
Compared to prior art, this utility model has the advantages that
1, in the system that lead-acid battery is main power source, this invention has no effect on the experience of original battery, on the contrary can be as additional power resources, it is provided that more preferably experience；
2, the problems that two kinds of power sources in parallel of different nature electric discharges bring are overcome；
3, the charged in parallel problem of heterogeneity battery is solved；
4, by combining different power supply in parallel, make up the shortcoming that different electrical power is intrinsic, improve overall performance；
5, the present invention is not simply by direct in parallel regardless of capacity of two kinds of different power supplys, but most preferably mates capacity through what lot of experiment validation drew.
Accompanying drawing explanation
Fig. 1 is that this utility model controls electrical schematic diagram.
Fig. 2 is this utility model IC chip circuit schematic diagram.
Fig. 3 is this utility model the first voltage detecting circuit schematic diagram.
Fig. 4 is this utility model battery charging and discharging modular circuit schematic diagram.
Fig. 5 is this utility model power module circuitry schematic diagram.
Fig. 6 is this utility model LED light modular circuit schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the technical solution of the utility model is specifically described.
As shown in figures 1 to 6, the dynamical system that a kind of lithium battery of the present utility model is used in parallel with the mixing of lead-acid battery, the lead-acid power accumulator including intelligent DC current controller and being connected respectively with this intelligent DC current controller, lithium-ion-power cell；The end that controls of described intelligent DC current controller is connected with the outfan of electric vehicle controller, to receive the control signal of electric vehicle controller；Described intelligent DC current controller is also associated with electric vehicle motor, by detection described lead-acid power accumulator, lithium-ion-power cell voltage, controls described lead-acid power accumulator, lithium-ion-power cell parallel connection is that described electric vehicle motor is powered；Described intelligent DC current controller is also associated with charger, and being beneficial to charger (the lead-acid power accumulator charger passed through) by the filter circuit (electrochemical capacitor C9, C10 shown in Fig. 4) of intelligent DC current controller is that described lead-acid power accumulator, lithium-ion-power cell charge simultaneously.
Described lead-acid power accumulator specification is 48V 12Ah/20Ah or 60V 20Ah/30Ah(or the specification of other such as 64V, 72V), relative described lithium-ion-power cell specification is lead-acid power accumulator corresponding voltage (48V 7 ~ 12Ah or 60V 7 ~ 15Ah), and capacity is the lithium battery of pairing lead-acid power accumulator 1/3 ~ 3/4 capacity.
As shown in figures 2-6, described intelligent DC current controller includes IC chip (use 51 series monolithics or other have the single-chip microcomputer of identical function) and the voltage detection module being connected with this IC chip, power module, battery charging and discharging module, LED light module；Described voltage detection module is for detecting control signal, lead-acid power accumulator voltage signal and the lithium-ion-power cell voltage signal of the outfan output of electric vehicle controller, described power module is for powering for whole intelligent DC current controller, described battery charging and discharging module is for controlling the discharge and recharge of lead-acid power accumulator voltage signal and lithium-ion-power cell, and described LED light module is for the duty of indicating intelligent DC current controller.
As shown in Figure 3, described voltage detection module includes the first to tertiary voltage testing circuit, described first voltage detecting circuit is for detecting the control signal of the outfan output of electric vehicle controller, described second voltage detecting circuit is used for detecting lead-acid power accumulator voltage signal, and described tertiary voltage testing circuit is used for detecting lithium-ion-power cell voltage signal.
As shown in Figure 3, described first voltage detecting circuit includes the first to the second electric capacity (C11 in figure, C12), the first to the second resistance (R14 in figure, R15), one end of described first electric capacity, one end of first resistance, one end of second resistance is connected the input as the first voltage detecting circuit, and it is connected to the outfan of described electric vehicle controller, the other end of described first electric capacity, the other end of the first resistance and one end of the second electric capacity are connected and are connected to GND, the other end of described second electric capacity and the other end of the second resistance are connected the outfan as the first voltage detecting circuit, and it is connected to described IC chip；Described second voltage detecting circuit, the circuit connection structure identical with described first voltage detecting circuit (the second voltage detecting circuit, tertiary voltage testing circuit are identical with the first voltage detecting circuit structure shown in Fig. 3) of tertiary voltage testing circuit, wherein, described second voltage detecting circuit, the input of tertiary voltage testing circuit are connected with described battery charging and discharging module through the 3rd resistance (R11 in figure), the 4th resistance (R10 in figure) respectively, and the second voltage detecting circuit, the outfan of tertiary voltage testing circuit are connected with described IC chip respectively.
As shown in Figure 4, described power module is for being converted to 5V by 12V power supply, it is possible to existing for the application power module, other voltages are carried out voltage conversion after such as 24V, 36V power supply is first converted to 12V.
As it is shown in figure 5, described battery charging and discharging module includes the first electrochemical capacitor (C9 in figure), the second electrochemical capacitor (C10 in figure), relay (D6 in figure), diode (M7 in figure), audion (Q1 in figure), first to fourth dual common-cathode Schottky diode (D4, D3, D2, D1 in figure), the 5th resistance (R12 in figure), the 6th resistance (R13 in figure), the 7th resistance (R16 in figure)；nullThe positive pole of described first electrochemical capacitor、The positive pole of the second electrochemical capacitor、One end of relay normally open switch (RY1 in figure)、The negative electrode of the first dual common-cathode Schottky diode、The positive pole of lithium-ion-power cell is connected and is connected to the input of described tertiary voltage testing circuit，The negative pole of described first electrochemical capacitor、The negative pole of the second electrochemical capacitor、The negative pole of lead-acid power accumulator、The negative pole of lithium-ion-power cell、Charger input negative pole is connected and is connected to GND，The other end of described relay normally open switch and the anode of the second dual common-cathode Schottky diode、The anode of the 3rd dual common-cathode Schottky diode is connected，One end of described relay control coil、The negative electrode of diode is connected to the positive pole of 12V power supply，The other end of described relay control coil、The anode of diode is connected and is connected to the colelctor electrode of described audion，The base stage of described audion is connected with IC chip through the 5th resistance，The base stage of described audion is also connected with the emitter stage of audion through the 6th resistance and is connected to GND，The anode of described first common cathode Schottky diode、The anode of the 4th common cathode Schottky diode、One end of 7th resistance is connected and is connected to the positive pole of charger input，The negative electrode of described second common cathode Schottky diode、The negative electrode of the 3rd common cathode Schottky diode、The negative electrode of the 4th common cathode Schottky diode、The other end of the 7th resistance、The positive pole of lead-acid power accumulator is connected and is connected to the input of described second voltage detecting circuit.
As shown in Figure 6, described LED indicating module includes red LED lamp, blue led lamp, yellow LED lamp and green LED lamp, wherein, red LED lamp is used for indicating relay duty, blue led lamp is used for indicating lithium-ion-power cell to be in high pressure, yellow LED lamp is used for indicating lead-acid power accumulator to be in high pressure, and green LED lamp is used for indicating lithium-ion-power cell and lead-acid power accumulator voltage difference less than threshold value.
Described electric vehicle includes 2 taking turns electric motor car, 4 taking turns low-speed electronic car, and described electric vehicle controller is hall controller.
It is above preferred embodiment of the present utility model, all changes made according to technical solutions of the utility model, when produced function is without departing from the scope of technical solutions of the utility model, belong to protection domain of the present utility model.
Claims (10)
1. the dynamical system that a lithium battery is used in parallel with the mixing of lead-acid battery, it is characterised in that: include intelligent DC current controller and the lead-acid power accumulator being connected respectively with this intelligent DC current controller, lithium-ion-power cell；The end that controls of described intelligent DC current controller is connected with the outfan of electric vehicle controller, to receive the control signal of electric vehicle controller；Described intelligent DC current controller is also associated with electric vehicle motor, by detection described lead-acid power accumulator, lithium-ion-power cell voltage, controls described lead-acid power accumulator, lithium-ion-power cell parallel connection is that described electric vehicle motor is powered；Described intelligent DC current controller is also associated with charger, and being beneficial to charger by the filter circuit of intelligent DC current controller is that described lead-acid power accumulator, lithium-ion-power cell charge simultaneously.
The dynamical system that a kind of lithium battery the most according to claim 1 is used in parallel with the mixing of lead-acid battery, it is characterised in that: described lead-acid power accumulator specification is 48V
12Ah/20Ah or 60V 20Ah/30Ah, relative described lithium-ion-power cell specification is lead-acid power accumulator corresponding voltage, and capacity is the lithium battery of pairing lead-acid power accumulator 1/3 ~ 3/4 capacity.
The dynamical system that a kind of lithium battery the most according to claim 1 is used in parallel with the mixing of lead-acid battery, it is characterised in that: described intelligent DC current controller includes IC chip and the voltage detection module being connected with this IC chip, power module, battery charging and discharging module, LED light module；Described voltage detection module is for detecting control signal, lead-acid power accumulator voltage signal and the lithium-ion-power cell voltage signal of the outfan output of electric vehicle controller, described power module is for powering for whole intelligent DC current controller, described battery charging and discharging module is for controlling the discharge and recharge of lead-acid power accumulator voltage signal and lithium-ion-power cell, and described LED light module is for the duty of indicating intelligent DC current controller.
The dynamical system that a kind of lithium battery the most according to claim 3 is used in parallel with the mixing of lead-acid battery, it is characterized in that: described voltage detection module includes the first to tertiary voltage testing circuit, described first voltage detecting circuit is for detecting the control signal of the outfan output of electric vehicle controller, described second voltage detecting circuit is used for detecting lead-acid power accumulator voltage signal, and described tertiary voltage testing circuit is used for detecting lithium-ion-power cell voltage signal.
The dynamical system that a kind of lithium battery the most according to claim 4 is used in parallel with the mixing of lead-acid battery, it is characterized in that: described first voltage detecting circuit includes the first to the second electric capacity, the first to the second resistance, one end of described first electric capacity, one end of first resistance, one end of second resistance is connected the input as the first voltage detecting circuit, and it is connected to the outfan of described electric vehicle controller, the other end of described first electric capacity, the other end of the first resistance and one end of the second electric capacity are connected and are connected to GND, the other end of described second electric capacity and the other end of the second resistance are connected the outfan as the first voltage detecting circuit, and it is connected to described IC chip；Described second voltage detecting circuit, tertiary voltage testing circuit circuit connection structure identical with described first voltage detecting circuit, wherein, described second voltage detecting circuit, the input of tertiary voltage testing circuit are connected with described battery charging and discharging module through the 3rd resistance, the 4th resistance respectively, and the second voltage detecting circuit, the outfan of tertiary voltage testing circuit are connected with described IC chip respectively.
The dynamical system that a kind of lithium battery the most according to claim 3 is used in parallel with the mixing of lead-acid battery, it is characterised in that: described power module is for being converted to 5V by 12V power supply.
The dynamical system that a kind of lithium battery the most according to claim 5 is used in parallel with the mixing of lead-acid battery, it is characterised in that: described battery charging and discharging module includes the first electrochemical capacitor, the second electrochemical capacitor, relay, diode, audion, first to fourth dual common-cathode Schottky diode, the 5th resistance, the 6th resistance, the 7th resistance；nullThe positive pole of described first electrochemical capacitor、The positive pole of the second electrochemical capacitor、One end of relay normally open switch、The negative electrode of the first dual common-cathode Schottky diode、The positive pole of lithium-ion-power cell is connected and is connected to the input of described tertiary voltage testing circuit，The negative pole of described first electrochemical capacitor、The negative pole of the second electrochemical capacitor、The negative pole of lead-acid power accumulator、The negative pole of lithium-ion-power cell、Charger input negative pole is connected and is connected to GND，The other end of described relay normally open switch and the anode of the second dual common-cathode Schottky diode、The anode of the 3rd dual common-cathode Schottky diode is connected，One end of described relay control coil、The negative electrode of diode is connected to the positive pole of 12V power supply，The other end of described relay control coil、The anode of diode is connected and is connected to the colelctor electrode of described audion，The base stage of described audion is connected with IC chip through the 5th resistance，The base stage of described audion is also connected with the emitter stage of audion through the 6th resistance and is connected to GND，The anode of described first common cathode Schottky diode、The anode of the 4th common cathode Schottky diode、One end of 7th resistance is connected and is connected to the positive pole of charger input，The negative electrode of described second common cathode Schottky diode、The negative electrode of the 3rd common cathode Schottky diode、The negative electrode of the 4th common cathode Schottky diode、The other end of the 7th resistance、The positive pole of lead-acid power accumulator is connected and is connected to the input of described second voltage detecting circuit.
The dynamical system that a kind of lithium battery the most according to claim 7 is used in parallel with the mixing of lead-acid battery, it is characterized in that: described LED indicating module includes red LED lamp, blue led lamp, yellow LED lamp and green LED lamp, wherein, red LED lamp is used for indicating relay duty, blue led lamp is used for indicating lithium-ion-power cell to be in high pressure, yellow LED lamp is used for indicating lead-acid power accumulator to be in high pressure, and green LED lamp is used for indicating lithium-ion-power cell and lead-acid power accumulator voltage difference less than threshold value.
The dynamical system that the mixing of a kind of lithium battery the most according to claim 7 and lead-acid battery is used in parallel, it is characterised in that: described electric vehicle includes 2 taking turns electric motor car, 4 taking turns low-speed electronic car, and described electric vehicle controller is hall controller.
10. according to the dynamical system that a kind of lithium battery described in claim 3-9 any one is used in parallel with the mixing of lead-acid battery, it is characterised in that: described IC chip is 51 series monolithics.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620098334.1U CN205544525U (en) | 2016-02-01 | 2016-02-01 | Lithium cell and parallelly connected driving system who uses of lead -acid batteries's mixture |
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| CN201620098334.1U CN205544525U (en) | 2016-02-01 | 2016-02-01 | Lithium cell and parallelly connected driving system who uses of lead -acid batteries's mixture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606193A (en) * | 2018-12-17 | 2019-04-12 | 北京国网普瑞特高压输电技术有限公司 | A kind of electric vehicle charge-discharge control system and control method based on energy the Internet model |
| CN115378071A (en) * | 2022-08-16 | 2022-11-22 | 惠州市乐亿通科技有限公司 | Charging control method, system, device, vehicle-mounted charging module and storage medium |
-
2016
- 2016-02-01 CN CN201620098334.1U patent/CN205544525U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606193A (en) * | 2018-12-17 | 2019-04-12 | 北京国网普瑞特高压输电技术有限公司 | A kind of electric vehicle charge-discharge control system and control method based on energy the Internet model |
| CN109606193B (en) * | 2018-12-17 | 2020-08-25 | 北京国网普瑞特高压输电技术有限公司 | Electric vehicle charging and discharging control system and control method based on energy internet mode |
| CN115378071A (en) * | 2022-08-16 | 2022-11-22 | 惠州市乐亿通科技有限公司 | Charging control method, system, device, vehicle-mounted charging module and storage medium |
| CN115378071B (en) * | 2022-08-16 | 2024-02-20 | 惠州市乐亿通科技股份有限公司 | Charging control method, system, device, vehicle-mounted charging module and storage medium |
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