CN206765827U - A kind of electronic driver, high-voltage charging system and new-energy automobile - Google Patents
A kind of electronic driver, high-voltage charging system and new-energy automobile Download PDFInfo
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- CN206765827U CN206765827U CN201720345066.3U CN201720345066U CN206765827U CN 206765827 U CN206765827 U CN 206765827U CN 201720345066 U CN201720345066 U CN 201720345066U CN 206765827 U CN206765827 U CN 206765827U
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- voltage
- power supply
- electric capacity
- boosting
- electronic driver
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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
A kind of electronic driver, high-voltage charging system and new-energy automobile, electronic driver include contactor, the DC converting module, the low-tension supply power supply interface for connecting external charging power supply and the boost module for input terminal voltage to be boosted to contactor operating voltage that are used to power to controller so that the controller controls battery management system to carry out high-voltage charging of high voltage bus are connected by contactor；Electronic driver of the present utility model, increase a boost module directly on the basis of original driver, it can connect the low-tension supply power supply interface of external charging power supply, input terminal voltage is boosted into contactor operating voltage, therefore the situation that the output voltage of the low-tension supply power supply interface of external charging power supply reduces is adaptable to when automobile charges, compared to existing solution, the utility model is easily achieved, reliable and stable, input cost is low.
Description
Technical field
The utility model is related to new-energy automobile field, more particularly to a kind of electronic driver, high-voltage charging system and
New-energy automobile.
Background technology
Several parts such as VCU (i.e. controller), BMS (i.e. battery management system), electronic driver, motor are included in vehicle,
These structures are got up by high-voltage power network, low pressure and low power net connection, are entered row information by VCU CAN communication network and are handed over
Mutually, instruction is transmitted, and makes vehicle orderly function.In general, external charger is needed to carry power supply high voltage when new-energy automobile charges
Charge power supply and low pressure charge power supply.Low pressure charge power supply be mainly used for making VCU obtain it is electric enter charged state, so as to enabled
BMS is charged using the output high pressure of the high voltage power supply charging inlet of external charging power supply.Wherein, VCU, which obtains electric path, is：
The output voltage of the low-tension supply power supply interface of external charging power supply enters dcdc converter by contactor, then is converted from DCDC
Device output voltage is to VCU.Therefore, if the output voltage of the low-tension supply power supply interface of external charging power supply reduces, cause
Connection dcdc converter and the contactor of high voltage bus can not work, and also can not just give VCU to provide power supply so that automobile without
Method works.Such as in traditional rechargeable standard, it is specified that low pressure charge power supply is 24V, therefore contactor is powered using 24V
Model, outer low pressure as defined in new rechargeable standard are reduced to 12V, then original contactor can not be made to work.
In order to solve problem above, mainly there are following two solutions in the prior art：
First, the low-voltage power supply strategy in electronic driver is changed, for example original 24V voltage strategy modification is
12V.This solution can increase original electronic driver board changing range, and input cost is very high.
Second, the contactor model in change electronic driver, uses Width funtion (9~32V) supply district contactor.This
The defects of kind scheme, is that Width funtion supply district contactor is different from former contactor appearance and size first, the design of structure copper bar
Limited by space；Secondly, the fewer use of contactor of Width funtion supply district, therefore source of supplying is less, substitutability reduces, and
Cost is higher, is unfavorable for project development and maintenance.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided a kind of electronics drives
Dynamic device, high-voltage charging system and new-energy automobile.
Technical scheme is used by the utility model solves its technical problem：A kind of electronic driver is constructed, including is connect
Tentaculum with high voltage bus connected by the contactor be used to powering to controller so that the controller controls battery management system
System carries out the DC converting module of high-voltage charging, the high voltage power supply charging of the battery management system connection external charging power supply
Mouthful and internal high voltage bus, the low-tension supply power supply interface that the electronic driver also includes being used for connecting external charging power supply with
And for input terminal voltage to be boosted to the boost module of contactor operating voltage；The low-tension supply of the external charging power supply supplies
The output voltage of electrical interface is less than contactor operating voltage；The input of the boost module is connected to low-tension supply power supply and connect
The output end of mouth and the boost module is connected to the feeder ear of contactor.
In electronic driver described in the utility model, contactor operating voltage is first voltage, the external charging
The output voltage of the low-tension supply power supply interface of power supply is second voltage, and the first voltage is higher than second voltage, boost module
For second voltage to be boosted into first voltage.
In electronic driver described in the utility model, the first voltage is 24V, and the second voltage is 12V.
In electronic driver described in the utility model, its described boost module includes charging enabling unit, boosting control
Unit processed, boosting unit, boosting rectifier control unit connection charging enabling unit and boosting unit, the boosting unit are also connected with outside
The low-tension supply power supply interface of charge power supply, the charging enabling unit connect the control chip on internal control circuit plate.
In electronic driver described in the utility model, its described boosting unit has the low of connection external charging power supply
The boosting output end of the input of voltage source power supply interface and the feeder ear of connection contactor, the boosting unit include：Electric capacity
C1 and electric capacity C2, inductance L1, the metal-oxide-semiconductor Q1 of N-channel, resistance R3, diode D1, resistance R1, electric capacity C17, electric capacity C3, resistance
R2, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8；
The input of boosting unit is grounded via electric capacity C1 and electric capacity C2, and the input of boosting unit also connects via inductance L1
Metal-oxide-semiconductor Q1 drain electrode is connect, metal-oxide-semiconductor Q1 source electrode is grounded via resistance R3, metal-oxide-semiconductor Q1 grid connection boosting rectifier control unit, MOS
Pipe Q1 drain electrode also connects metal-oxide-semiconductor Q1 source electrode via electric capacity C3 with resistance R2, and metal-oxide-semiconductor Q1 drain electrode is additionally coupled to diode D1
Positive pole, diode D1 negative pole is additionally coupled to boosting rectifier control unit as the boosting output end, the boosting output end, electricity
Hinder R1 and electric capacity C17 it is in parallel with diode D1, boost output end also respectively via electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7,
Electric capacity C8 is grounded.
In electronic driver described in the utility model, its it is described charging enabling unit include resistance R4, resistance R5,
Triode Q2, the electric capacity C13 of NPN type, the boosting rectifier control unit include control chip U1 and its peripheral circuit；The of resistance R4
One end receives charging enable signal, and resistance R4 first end is also grounded via resistance R5, resistance R4 the second end connecting triode
Q2 base stage, triode Q2 base stage are also grounded via electric capacity C13, triode Q2 grounded emitter, triode Q2 current collection
Pole connection control chip U1.
The invention also discloses the high voltage power supply charging of a kind of high-voltage charging system, including connection external charging power supply
The battery management system of interface, electronic driver, controller with motor connection, the electronic driver is using as described above
Electronic driver.
The invention also discloses a kind of new-energy automobile, and it includes high-voltage charging system as described above.
Implement electronic driver, high-voltage charging system and new-energy automobile of the present utility model, have below beneficial to effect
Fruit：Electronic driver of the present utility model, increase a boost module directly on the basis of original driver, it can connect outer
The low-tension supply power supply interface of portion's charge power supply, input terminal voltage is boosted into contactor operating voltage, therefore charged in automobile
When be adaptable to external charging power supply low-tension supply power supply interface output voltage reduce situation, compared to existing solution
Scheme, the utility model are easily achieved, reliable and stable, and input cost is low.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer：
Fig. 1 is the structural representation of high-voltage charging system；
Fig. 2 is the circuit theory diagrams of electronic driver.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Exemplary embodiments of the present utility model are given in accompanying drawing.But the utility model can come in fact in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
Open content more thorough and comprehensive.
It should be noted that word " being equal to " or other similar terms, are not limited to absolute equal in mathematical term
Or it is identical, can be close on engineering significance or in acceptable error range when implementing right described in this patent.
Word " connected " or " connection ", not only include two entities being joined directly together, also include by with beneficial to improvement
Other entities are indirectly connected.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
The total thinking of the utility model is：Increase a boost module on the basis of original driver, it can connect outer
The low-tension supply power supply interface of portion's charge power supply, input terminal voltage is boosted into contactor operating voltage.Therefore charged in automobile
When be adaptable to external charging power supply low-tension supply power supply interface output voltage reduce situation, compared to existing solution
Scheme, the utility model are easily achieved, reliable and stable, and input cost is low.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are to this
Apply for the detailed description of technical scheme, rather than the restriction to technical scheme, in the case where not conflicting, this practicality
Technical characteristic in new embodiment and embodiment can be mutually combined.
With reference to figure 1, external charging power supply includes low-tension supply power supply interface and high voltage power supply charging inlet.The utility model
High-voltage charging system include：Battery management system (BMS), electronic driver, controller (VCU) with motor connection.Electronics
Driver includes contactor S2, DC converting module, boost module, and boost module is used for the low tension for connecting external charging power supply
Source power supply interface and for input terminal voltage to be boosted into contactor operating voltage.Wherein, the low tension of external charging power supply
The output voltage of source power supply interface is less than contactor operating voltage；The input of the boost module is connected to external charging power supply
Low-tension supply power supply interface and the output end of the boost module be connected to the feeder ear of contactor.
Wherein, contactor operating voltage is first voltage, the low-tension supply power supply interface of the external charging power supply it is defeated
It is second voltage to go out voltage, and the first voltage is higher than second voltage, and boost module is used to second voltage boosting to the first electricity
Pressure.
In the present embodiment, first voltage 24V, the second voltage is 12V.I.e. contactor S2 needs 24V power supply, because
Boost module in this present embodiment is used to 12V boosting to 24V.Wherein DC converting module is specially by external charging power supply
The high pressure of high voltage power supply charging inlet be converted to the dcdc converter of 24V low pressure.Wherein, battery management system, electric drive
Device is connected with high voltage bus.Specifically, the DC converting module in electronic driver passes through contactor S2 connection high voltage bus.
After automobile is connected with external charging power supply, boost module is by the 12V voltages of the low-tension supply power supply interface of external charging power supply
Boost as 24V, then contactor S2 is closed, and DC converting module is after contactor S2 closures by the high-tension electricity of external charging power supply
The high pressure of source charging inlet is powered after being depressured to controller, and controller controls itself and battery management system after obtaining electric normal work
Contactor S1 closures between system, and then control battery management system to carry out high-voltage charging.
With reference to figure 2, in the present embodiment, the boost module includes charging enabling unit 100, boosting rectifier control unit 200, risen
Unit 300 is pressed, the connection of boosting rectifier control unit 200 charging enabling unit 100 and boosting unit 300, the boosting unit 300 also connect
The low-tension supply power supply interface of external charging power supply is connect, the charging enabling unit 100 connects the control on internal control circuit plate
Coremaking piece, such as dsp chip.
Specifically, the boosting unit 300 has the input of the low-tension supply power supply interface of connection external charging power supply
With boosting output end, its input receives the output voltage of the low-tension supply power supply interface of external charging power supply, typically attached in 12V
Nearly fluctuation, is 8-16V, boosting output end connection contactor S2 coil.
Specifically, the boosting unit 300 includes：Electric capacity C1 and electric capacity C2, inductance L1, metal-oxide-semiconductor Q1, the resistance of N-channel
R3, diode D1, resistance R1, electric capacity C17, electric capacity C3, resistance R2, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8；
The charging enabling unit 100 includes resistance R4, resistance R5, the triode Q2 of NPN type, electric capacity C13, the boosting rectifier control unit
200 include control chip U1 and its peripheral circuit.Ground in figure represents that it is -24V to be grounded terminal potential, the current potential for output end of boosting
For+24V.
Wherein, the input of boosting unit 300 is grounded via electric capacity C1 and electric capacity C2, and the input of boosting unit 300 is also
Via inductance L1 connection metal-oxide-semiconductors Q1 drain electrode, metal-oxide-semiconductor Q1 source electrode is grounded via resistance R3, and metal-oxide-semiconductor Q1 grid passes through resistance
R15 connections control chip U1, metal-oxide-semiconductor Q1 drain electrode also connect metal-oxide-semiconductor Q1 source electrode, metal-oxide-semiconductor Q1 via electric capacity C3 with resistance R2
Drain electrode be additionally coupled to diode D1 positive pole, diode D1 negative pole also connects as the boosting output end, boosting output end
It is in parallel with diode D1 to meet control chip U1, resistance R1 and electric capacity C17, boosting output end also respectively via electric capacity C4, electric capacity C5,
Electric capacity C6, electric capacity C7, electric capacity C8 ground connection.
Wherein, resistance R4 first end receives charging enable signal, and resistance R4 first end is also grounded via resistance R5, electricity
R4 the second end connecting triode Q2 base stage is hindered, triode Q2 base stage is also grounded via electric capacity C13, triode Q2 transmitting
Pole is grounded, triode Q2 colelctor electrode connection control chip U1.
The operation principle of the present embodiment is：Triode Q2 is according to the high level or low level trigger control chip received
U1 exports PWM ripples and gives metal-oxide-semiconductor Q1, and the dutycycle for the voltage-regulation PWM ripples that control chip U1 feeds back according to boosting output end is final
So that the voltage of boosting output end output maintains 24V.
It should be clear that the switch in the present embodiment includes various equivalent switch electronic devices, be not limited to diode or
Person's triode.The model of each component is not limited to the model disclosed in the present embodiment, and filter capacitor, the quantity of resistance are also root
Set according to situation.
In summary, implement electronic driver, high-voltage charging system and new-energy automobile of the present utility model, have with
Lower beneficial effect：Electronic driver of the present utility model, increase a boost module directly on the basis of original driver, its
The low-tension supply power supply interface of external charging power supply can be connected, input terminal voltage is boosted into contactor operating voltage, therefore
Automobile is adaptable to the situation that the output voltage of the low-tension supply power supply interface of external charging power supply reduces when charging, compared to existing
Some solutions, the utility model are easily achieved, reliable and stable, and input cost is low.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment is only schematical, rather than restricted, this area it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within protection of the present utility model.
Claims (8)
1. a kind of electronic driver, including contactor with high voltage bus connected by the contactor be used to powering to controller
So that controller control battery management system carries out the DC converting module of high-voltage charging, the battery management system connection is outer
The high voltage power supply charging inlet of portion's charge power supply and internal high voltage bus, it is characterised in that the electronic driver also includes using
In the low-tension supply power supply interface of connection external charging power supply and for input terminal voltage to be boosted into contactor operating voltage
Boost module；The output voltage of the low-tension supply power supply interface of the external charging power supply is less than contactor operating voltage；Institute
The input for stating boost module is connected to the output end of low-tension supply power supply interface and the boost module and is connected to the confession of contactor
Electric end.
2. electronic driver according to claim 1, it is characterised in that contactor operating voltage is first voltage, described
The output voltage of the low-tension supply power supply interface of external charging power supply is second voltage, and the first voltage is higher than second voltage,
Boost module is used to second voltage boosting to first voltage.
3. electronic driver according to claim 2, it is characterised in that the first voltage is 24V, the second voltage
For 12V.
4. electronic driver according to claim 1, it is characterised in that the boost module include charging enabling unit,
Boosting rectifier control unit, boosting unit, boosting rectifier control unit connection charging enabling unit and boosting unit, the boosting unit also connect
The low-tension supply power supply interface of external charging power supply is connect, the charging enabling unit connects the control core on internal control circuit plate
Piece.
5. electronic driver according to claim 4, it is characterised in that the boosting unit has connection external charging electricity
The boosting output end of the input of the low-tension supply power supply interface in source and the feeder ear of connection contactor, the boosting unit bag
Include：Electric capacity C1 and electric capacity C2, inductance L1, the metal-oxide-semiconductor Q1 of N-channel, resistance R3, diode D1, resistance R1, electric capacity C17, electric capacity
C3, resistance R2, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8；
The input of boosting unit is grounded via electric capacity C1 and electric capacity C2, and the input of boosting unit is also via inductance L1 connections
Metal-oxide-semiconductor Q1 drain electrode, metal-oxide-semiconductor Q1 source electrode are grounded via resistance R3, metal-oxide-semiconductor Q1 grid connection boosting rectifier control unit, metal-oxide-semiconductor
Q1 drain electrode also connects metal-oxide-semiconductor Q1 source electrode via electric capacity C3 with resistance R2, and metal-oxide-semiconductor Q1 drain electrode is additionally coupled to diode D1's
Positive pole, diode D1 negative pole are additionally coupled to boosting rectifier control unit, resistance as the boosting output end, the boosting output end
R1 and electric capacity C17 are in parallel with diode D1, and boosting output end is also respectively via electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electricity
Hold C8 ground connection.
6. electronic driver according to claim 4, it is characterised in that the charging enabling unit includes resistance R4, electricity
R5, the triode Q2 of NPN type, electric capacity C13 are hindered, the boosting rectifier control unit includes control chip U1 and its peripheral circuit；Resistance
R4 first end receives charging enable signal, and resistance R4 first end is also grounded via resistance R5, resistance R4 the second end connection
Triode Q2 base stage, triode Q2 base stage are also grounded via electric capacity C13, triode Q2 grounded emitter, triode Q2
Colelctor electrode connection control chip U1.
7. a kind of high-voltage charging system, including the battery management system of the high voltage power supply charging inlet of connection external charging power supply,
Electronic driver, controller with motor connection, are characterised by, the electronic driver is used as any in claim 1-6
Electronic driver described in.
8. a kind of new-energy automobile, it is characterised in that including high-voltage charging system as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720345066.3U CN206765827U (en) | 2017-04-01 | 2017-04-01 | A kind of electronic driver, high-voltage charging system and new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720345066.3U CN206765827U (en) | 2017-04-01 | 2017-04-01 | A kind of electronic driver, high-voltage charging system and new-energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206765827U true CN206765827U (en) | 2017-12-19 |
Family
ID=60630219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720345066.3U Active CN206765827U (en) | 2017-04-01 | 2017-04-01 | A kind of electronic driver, high-voltage charging system and new-energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206765827U (en) |
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2017
- 2017-04-01 CN CN201720345066.3U patent/CN206765827U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 52 tianedang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Huichuan United Power System Co.,Ltd. Address before: 215000 52 tianedang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: SUZHOU HUICHUAN UNITED POWER SYSTEM Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |