CN207594745U - A kind of electric vehicle drives charge and discharge integrated apparatus - Google Patents
A kind of electric vehicle drives charge and discharge integrated apparatus Download PDFInfo
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- CN207594745U CN207594745U CN201721337654.9U CN201721337654U CN207594745U CN 207594745 U CN207594745 U CN 207594745U CN 201721337654 U CN201721337654 U CN 201721337654U CN 207594745 U CN207594745 U CN 207594745U
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a kind of electric vehicles to drive charge and discharge integrated apparatus, including accumulator, the two-way DC/DC modules of half-power, inverter, permanent magnet synchronous motor and two-way switch；Accumulator connects the two-way DC/DC modules of half-power, the two-way DC/DC modules connection inverter of half-power, it is connected with two-way switch between inverter and motor, during charging, inverter is connect by two-way switch with 220V/380V power supplys, inverter enters rectification working condition, during electric discharge, inverter is connect by two-way switch with permanent magnet synchronous motor, and inverter enters inverter working condition, it realizes to the small-power of on-vehicle battery and high-power charging and the energy back of accumulator and power grid.
Description
Technical field
The utility model belongs to new-energy automobile field, and in particular to a kind of electric vehicle drives the electrical integrated dress of charge and discharge
It puts.
Background technology
At present, energy crisis and environmental pollution are on the rise, and electric vehicle can be realized as novel walking-replacing tool
" zero-emission ", and electric vehicle has the characteristics that simple in structure, capacity usage ratio is high, noise is small, in development of automobile from now on
In will occupy an leading position.It is driven due to the use of motor and easily facilitates the set for realizing information and line traffic control, and charging technique
Innovation is related to the quality of pure electric automobile charge-discharge performance and the regeneration of the energy again, therefore, motor-drive technique and fills
Power technology is the hot spot studied at present.
In order to meet the requirement of battery charging, dress Vehicular charger (trickle charge) is required on vehicle, ground is also equipped with high-power
Charger (fast charge), while the production cost and operation cost of electric vehicle are increased, it has also tied up limited car body cloth and has emptied
Between, it is more unfavorable to the development of entire electric vehicle.
Invention content
According to more than the deficiencies in the prior art, technical problem to be solved in the utility model is to propose a kind of electric vehicle
Charge and discharge integrated apparatus is driven, mainly using the two-way DC/DC modules of half-power and inverter design integrated circuit, is realized electronic
The charge and discharge of automobile and motor driving integrated design, save vehicle body space.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of electric vehicle drives charge and discharge integrated apparatus, including accumulator, the two-way DC/DC modules of half-power, inversion
Device, motor, control module, 220/380V charging modules, relay, electric quantity detecting circuit and two-way switch, the accumulator connect
The two-way DC/DC modules of half-power, the two-way DC/DC modules connection inverter of half-power are connect, inverter passes through switch and 220/380V
Charging module or motor connection, DC/DC modules two-way with half-power and inverter are connect control module respectively；
The two-way switch includes the first sliding rail, the second sliding rail, the first contact, the second contact, third contact, the 4th contact
And conductors, conductors can be slided along the first sliding rail and the second sliding rail slides, and the first sliding rail is touched equipped with the first contact with third
Point, the first contact and third contact are wired on inverter, and the second sliding rail is equipped with the second contact and the 4th and touches
Point, the second contact portion motor, the 4th contact portion 220V/380V charging modules；
The electric quantity detecting circuit include current-limiting resistance R1, indicator light D1, operational amplifier U1, indicator light D1, resistance R3,
Resistance R4 and voltage-stabiliser tube D2, the operational amplifier U1 in-phase input ends and the defeated end of reverse phase enter to input the sampling of accumulator respectively
Voltage and reference voltage, the output terminal of operational amplifier U1 passes sequentially through indicator light D1, the first current-limiting resistance R1 is connected to cathode
The sampled voltage at incoming end, resistance R3 and resistance R4 both ends is the homophase input for being supplied to the operational amplifier U1, voltage-stabiliser tube
The cathode of D2 is connect with the inverting input of operational amplifier U1.The two-way DC/DC modules of half-power are the two-way liter of half-power
Press DC/DC modules.It is in parallel between inverter bridge and the two-way DC/DC block transforms device of half-power in the integrated apparatus inverter
There are two the capacitances for improving charging rate and output power of motor.The motor is permanent magnet synchronous motor.The conductors are
Strips of conductive sliding block.First sliding rail and the second sliding rail are insulation sliding rail.The electric quantity detecting circuit includes resistance and hair
Optical diode, the resistance are connected on accumulator both ends with the light emitting diode.
The utility model advantageous effect is:The utility model device topological structure is inherently to reduce electric vehicle permanent magnetism
Synchronous machine drives, onboard charger and ground charger totality cost are an integrating device of target, not only reduce car body
Interior arrangement space, and cost is saved, available applications are promoted.
Description of the drawings
The content expressed by this specification attached drawing and the label in figure are briefly described below：
Fig. 1 is the integrated apparatus charging-discharging structure block diagram of specific embodiment of the present invention one.
Fig. 2 is the integrated apparatus charge-discharge circuit figure of specific embodiment of the present utility model one.
Fig. 3 is the integrated apparatus charge-discharge circuit figure of specific embodiment of the present utility model two.
Fig. 4 is the integrated apparatus electric quantity detecting circuit figure of specific embodiment of the present utility model.
Specific embodiment
Below by the description to embodiment, the shape of for example involved each component of specific embodiment of the present utility model
The effect and operation principle of mutual alignment and connection relation, each section between shape, construction, each section, manufacturing process and operation
Application method etc., is described in further detail, to help inventive concept of the those skilled in the art to the utility model, technology
Scheme has more complete, accurate and deep understanding.
The utility model provides a kind of electric vehicle driving charge and discharge integrated apparatus, two-way including accumulator, half-power
DC/DC modules, inverter, motor, control module, 220/380V charging modules, relay, electric quantity detecting circuit and two-way opened
It closes, the accumulator connects the two-way DC/DC modules of half-power, the two-way DC/DC modules connection inverter of half-power, and inverter passes through
Switch is connect with 220/380V charging modules or motor, and control module DC/DC modules two-way with half-power and inverter are connect.
It is provided by the utility model to save the vehicle-mounted space of electric vehicle, moreover it is possible to cost-effective.It both can be real during charging
Existing 220V households small-power charging, can also realize the high-power chargings of 380V.
Embodiment one：
The driving charge and discharge integrated apparatus of the utility model, including accumulator, the two-way DC/DC modules of half-power, inversion
Device, control module, 220V/380V charging modules and motor, the accumulator connection two-way DC/DC modules of half-power, half-power are two-way
DC/DC modules connect inverter, two-way switch S1, S2 and S3 are connected between inverter and motor, S1, S2 and S3 join for machinery
Dynamic structure, switch gets to drive mode during driving, and switch gets to the position opposite with driving during charging.Inverter passes through during charging
Two-way switch is connected with 220V/380V power supplys, and 220V/380V power supplys connect a switch being connected to the ground.Control module uses
TMS329F8335 microcontrollers are connected to the two-way DC/DC modules of half-power and inverter, and the control module uses
TMS329F8335 microcontrollers, control module make inverter and the pwm signal of the two-way DC/DC block transforms device of half-power be staggered
180 °, two capacitances of parallel connection, can increase substantially and fill between the inverter bridge module and the two-way DC/DC block transforms device of half-power
The speed of electricity and the output power of motor meet the requirement that the motor under various operating modes exports big torque.Driving motor selects
Permanent magnet synchronous motor, electric automobile during traveling is more frequent mostly with the number of middle low speed operation start-stop in city, in this operating mode
It is lower more efficient using permanent magnet synchronous motor.The two-way DC/DC modules of half-power refer to keeping input terminal and output end voltage pole
Property it is constant under the premise of, sense of current can be changed according to practical demand, realize energy in bidirectional flow.Half-power is double
Have many advantages, such as that power device is few to DC/DC modules, energy is high.
The three-phase alternating current of access 380V can realize the high-power quick charge to accumulator in circuit.Three-phase alternating current
Pass through permanent magnet synchronous motor, permanent magnet synchronous motor connection inverter, into three-phase PWM rectification working condition, by 380V alternating currents
Rectification is direct current, by boost chopper, is charged for accumulator.The access 220V alternating currents can be also realized to vehicular electricity storage
Pond small-power charging.
When electric vehicle is in the drive mode, it can be achieved that the control of double of power bi-directional DC/DC block transforms device and inverter
System.When electric vehicle is in low speed operation, required active power is smaller, and a battery discharging part is driven for motor at this time
Dynamic, a part is used for capacitor charging.When electric vehicle is at a high speed or climbs, motor is needed to export big torque, it is required
Active power is larger, at this time by the way that the discharge mode power supply machine that is also at of the two-way DC/DC modules of half-power is controlled to drive.Make electronic
Automobile makes in shorter clock switch power tube in discharge condition at accumulator, meanwhile, obtained in capacitance larger torque so as to
Automobile accelerates.Automobile travels at the uniform speed after this process, and energy is provided by accumulator.
The utility model is closed, electric current under electric vehicle charge mode as shown in Figure 1, working as 220V/380V charging interfaces
After rectification module, into the two-way DC/DC modules of half-power, the purpose that charges a battery is finally reached.In view of inductance electricity
Stream has larger Wen Bo in power transmission, so using three triple topological structures, this topological structure is moved using in parallel
Phase control mode is 120 ° per phase phase difference, reduces literary wave and current harmonics, improve efficiency.
Such as Fig. 2, half-power boosting integrated apparatus can realize the advantage of 220V/380V chargings, carry out half-power liter
The Integrated design of pressure device and inverter realizes that the two-way DC/DC modules of half-power and inverter are optimal in the full range of speeds of motor
Modulation ratio dynamic control improves motor driven systems efficiency with this to greatest extent, while realizes that magneto freely revolves at a high speed
The purpose turned.The inverter bridge module can realize the two-way flow of energy with its PWM rectifier, that is, rectification work(is realized when charging
Can, inverter function is realized during electric discharge.The two-way DC/DC modules of half-power can be joined with two-way PWM rectifier by interlock
Locking is closed, the function that motor can also be closed completely inverter in the case of fast idle can be reached, realizes optimization driving
The purpose of system.Under 380V alternating current charging patterns, by 380V battery charging switch, segmentation motor drive inverter and electricity
The connection of machine driving, by 380V plant-grid connections, motor drive inverter enters rectification state, by 380V AC rectifications into corresponding
Direct current, for the two-way DC/DC modular devices reverse operation of half-power, charge for battery.
Embodiment two：
Following scheme may be used in the charging integrated device of the utility model, and the specific structure of two-way switch is as follows；Such as
Shown in Fig. 3, the connection relation and operation principle of the two-way DC/DC modules of accumulator, half-power, control module and inverter are as implemented
Shown in example one, one two-way switch of embodiment can also use structure as shown in Figure 3, and the integrated apparatus switch includes relay
Device, the first contact, the second contact, third contact, the 4th contact and conductors, the first contact and the second contact are connected by conducting wire
Onto inverter, third contact portion motor, the 4th contact portion 220V/380V charging modules.When conductors move to first
When contact and third contact, motor access circuit；When conductors connection second and four contacts, 220/380V charging modules connect
Enter circuit, when charging is complete, control module sends control signal to relay, during conductors move under the action of magnetic force
Between position, such system not only without charging again without discharge.
The system is also devised with electric quantity detecting circuit, while is connected using resistance and light emitting diode series connection with accumulator,
Can then electric quantity detecting circuit be connected in parallel on resistance and Light-Emitting Diode both ends, be worked normally for detecting accumulator, electricity inspection
Slowdown monitoring circuit includes current-limiting resistance R1, indicator light D1 and operational amplifier U1.Operational amplifier U1 in-phase input ends and reverse phase are defeated
Hold into the sampled voltage and reference voltage for inputting accumulator respectively, the output terminal of operational amplifier U1 pass sequentially through indicator light D1,
Current-limiting resistance R1 is connected to cathode incoming end, and the sampled voltage at resistance R3 and resistance R4 both ends is is supplied to the operational amplifier
The homophase input amount of U1, the cathode of voltage-stabiliser tube D2 are connect with the inverting input of operational amplifier U1, and breakdown reverse voltage is
For the reference voltage.
The utility model is exemplarily described above, it is clear that the utility model is implemented not by aforesaid way
Limitation, as long as employing the improvement or not of various unsubstantialities that the methodology of the utility model and technical solution carry out
It is improved that the design of the utility model and technical solution are directly applied into other occasions, in the protection model of the utility model
Within enclosing.The scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of electric vehicle drives charge and discharge integrated apparatus, which is characterized in that including accumulator, the two-way DC/DC of half-power
Module, inverter, motor, control module, 220/380V charging modules, relay, electric quantity detecting circuit and two-way switch,
The accumulator connects the two-way DC/DC modules of half-power, the two-way DC/DC modules connection inverter of half-power, and inverter leads to
It crosses two-way switch to connect with 220/380V charging modules or motor, control module DC/DC modules two-way with half-power and inverse respectively
Become device connection；
The two-way switch includes the first sliding rail, the second sliding rail, the first contact (2), the second contact (3), third contact (4), the
Four contacts (5) and conductors (6), conductors can be slided along the first sliding rail and the second sliding rail slides, and the first sliding rail is equipped with first
Contact (2) and the second contact (3), the first contact (2) and the second contact (3) are wired on inverter, and second slides
Rail is equipped with third contact (4) and the 4th contact (5), third contact (4) connection motor, the 4th contact (5) connection 220V/380V
Charging module, relay are arranged among the first sliding rail and the second sliding rail, can be attracted conductors, and relay is electrically connected to control mould
Block；
The electric quantity detecting circuit includes current-limiting resistance R1, indicator light D1, operational amplifier U1, resistance R3, resistance R4 and steady
Pressure pipe D2, the operational amplifier U1 in-phase input ends and the defeated end of reverse phase enter the sampled voltage of input accumulator respectively and benchmark electricity
Pressure, the output terminal of operational amplifier U1 passes sequentially through indicator light D1, the first current-limiting resistance R1 is connected to battery terminal negative incoming end,
The interior joint of resistance R3 and resistance R4 are connected to the homophase input of operational amplifier U1, the cathode and operational amplifier of voltage-stabiliser tube D2
The inverting input connection of U1.
2. electric vehicle driving charge and discharge integrated apparatus according to claim 1, which is characterized in that the half-power is two-way
DC/DC modules are half-power bidirectional voltage boosting DC/DC modules.
3. electric vehicle driving charge and discharge integrated apparatus according to claim 1, which is characterized in that the half-power is two-way
There are two the capacitances for improving charging rate and output power of motor for DC/DC wired in parallel.
4. electric vehicle driving charge and discharge integrated apparatus according to claim 1, which is characterized in that the motor is permanent magnetism
Synchronous motor.
5. electric vehicle driving charge and discharge integrated apparatus according to claim 1, which is characterized in that the conductors are item
Shape conductive slider.
6. according to claim 1 electric vehicle driving charge and discharge integrated apparatus, which is characterized in that first sliding rail with
Second sliding rail is insulation sliding rail.
7. electric vehicle driving charge and discharge integrated apparatus according to claim 1, which is characterized in that the electric power detection electricity
Road further includes resistance and light emitting diode, and the resistance is connected on accumulator both ends with the light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337654.9U CN207594745U (en) | 2017-10-16 | 2017-10-16 | A kind of electric vehicle drives charge and discharge integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337654.9U CN207594745U (en) | 2017-10-16 | 2017-10-16 | A kind of electric vehicle drives charge and discharge integrated apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207594745U true CN207594745U (en) | 2018-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721337654.9U Expired - Fee Related CN207594745U (en) | 2017-10-16 | 2017-10-16 | A kind of electric vehicle drives charge and discharge integrated apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207594745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738589A (en) * | 2017-10-16 | 2018-02-27 | 安徽工程大学 | A kind of electric automobile drives discharge and recharge integrated apparatus |
| CN110614922A (en) * | 2019-09-09 | 2019-12-27 | 东南大学盐城新能源汽车研究院 | Double-energy-source-based braking energy feedback device for vehicle-mounted electric vehicle and control method |
-
2017
- 2017-10-16 CN CN201721337654.9U patent/CN207594745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738589A (en) * | 2017-10-16 | 2018-02-27 | 安徽工程大学 | A kind of electric automobile drives discharge and recharge integrated apparatus |
| CN110614922A (en) * | 2019-09-09 | 2019-12-27 | 东南大学盐城新能源汽车研究院 | Double-energy-source-based braking energy feedback device for vehicle-mounted electric vehicle and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20191016 |