CN203713585U - Energy recovery device for pure electric vehicle regenerative braking system - Google Patents
Energy recovery device for pure electric vehicle regenerative braking system Download PDFInfo
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- CN203713585U CN203713585U CN201420027389.4U CN201420027389U CN203713585U CN 203713585 U CN203713585 U CN 203713585U CN 201420027389 U CN201420027389 U CN 201420027389U CN 203713585 U CN203713585 U CN 203713585U
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- signal input
- switch pipe
- power source
- power switch
- pure electric
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides an energy recovery device for a pure electric vehicle regenerative braking system, relates to a pure electric vehicle power supply with a regenerative braking function and belongs to the field of automobile energy management. The energy recovery device solves the problem that energy recovery devices for pure electric vehicles are low in charging and discharging efficiency and short in service lives. The energy recovery device comprises a compound power supply, a current reversible chopper circuit, a CAN communication interface circuit and a driving isolating circuit. The serial communication end of the compound power supply is used for being in communication connection with an upper computer and a DSP controller through the CAN communication interface circuit, the electric signal input/output end of the compound power supply is used for being electrically connected with a driving system for a pure electric vehicle through the current reversible chopper circuit, the first driving signal output end of the driving isolating circuit is connected with the driving signal input end of the compound power supply, the second driving signal output end of the driving isolating circuit is connected with the driving signal input end of the current reversible chopper circuit, and the control signal input end of the driving isolating circuit is used for receiving control signals sent by the DSP controller. The energy recovery device is specifically used for the pure electric vehicle.
Description
Technical field
The utility model relates to a kind of pure electric automobile power supply with regenerative braking capability, belongs to automobile energy management domain.
Background technology
In day by day exhausted today of non-renewable energy resources, the continuous growth of oil price, air quality problems also starts to have caused the extensive concern of all circles, wherein a big chunk reason of haze problem is because motor vehicle exhaust emission causes.And the appearance of pure electric automobile becomes the hope addressing this problem, but because current battery technology is limited, the travelled distance of pure electric automobile is limited by very large.Regeneration brake system can reclaim the energy that automobile produces in braking procedure effectively, and is stored in the power module of automobile.The pure electric automobile in order to realize with regeneration brake system frequently discharges and recharges battery, and does not damage battery, and we have designed a energy recycle device for pure electric automobile regeneration brake system.
Utility model content
The utility model is the short problem in low and service life of the energy recycle device charge discharge efficiency in order to solve pure electronic vapour, the invention provides a kind of pure electric automobile regeneration brake system energy recycle device.
Pure electric automobile regeneration brake system energy recycle device, it comprises composite power source, Current Reversible Chopper, CAN communication interface circuit and driving isolation circuit;
The serial communication end of described composite power source is used for communicating and being connected with upper computer and dsp controller by CAN communication interface circuit, the electric signal input/output terminal of composite power source is used for being electrically connected with the drive system of pure electric automobile by Current Reversible Chopper
First of driving isolation circuit drives signal output part to be connected with the driving signal input of composite power source, and second of driving isolation circuit drives signal output part to be connected with the driving signal input of Current Reversible Chopper,
The control signal input end of driving isolation circuit is for receiving the control signal that dsp controller sends.
Composite power source adopts super capacitor to extend the life of a cell.Super capacitor has very high power density, and charging rate is fast, efficiency is high, the life-span is long and environmental protection, is applicable to use in the regeneration brake system of electronlmobil.
Adopt two-way DC/DC changer to follow the tracks of inspection lithium cell group terminal voltage, make both coupling work to regulate and control the terminal voltage of super capacitor, lithium cell group is connected with super capacitor with two-way DC/DC changer by mode of operation shifter.
The utility model selects super capacitor to discharge and recharge by mode of operation shifter or storage battery discharges and recharges, mode of operation shifter switches the mode of operation of composite power source by outside dsp controller, CAN communication interface circuit can be the status information transmission of composite power source to upper computer or dsp controller.
Through actual detection, adopt the pure electric automobile regeneration brake system energy recycle device described in the utility model can be at pure electric automobile in when braking, energy to its generation reclaims, and realizing pure electric automobile frequently discharges and recharges composite power source, and do not damage composite power source, not only extend the life-span of storage battery, but also improved energy conversion efficiency, conversion efficiency has been improved more than 5%.
Brief description of the drawings
Fig. 1 is the principle schematic of the pure electric automobile regeneration brake system energy recycle device described in detailed description of the invention one;
Fig. 2 is the principle schematic of the composite power source described in detailed description of the invention two;
Fig. 3 is the principle schematic of the mode of operation shifter described in detailed description of the invention three;
Fig. 4 is the principle schematic of the Current Reversible Chopper described in detailed description of the invention four;
A kind of particular circuit configurations schematic diagram that Fig. 5 is driving isolation circuit described in detailed description of the invention one when controlling Current Reversible Chopper.
Detailed description of the invention
Detailed description of the invention one: referring to Fig. 1 and 5 explanation present embodiments, pure electric automobile regeneration brake system energy recycle device described in present embodiment, it comprises composite power source 1, Current Reversible Chopper 2, CAN communication interface circuit 3 and driving isolation circuit 4;
The serial communication end of described composite power source 1 by CAN communication interface circuit 3 for communicating and be connected with upper computer and dsp controller, the electric signal input/output terminal of composite power source 1 by Current Reversible Chopper 2 for being electrically connected with the drive system of pure electric automobile
First of driving isolation circuit 4 drives signal output part to be connected with the driving signal input of composite power source 1, and second of driving isolation circuit 4 drives signal output part to be connected with the driving signal input of Current Reversible Chopper 2,
The control signal input end of driving isolation circuit 4 is for receiving the control signal that dsp controller sends.
In present embodiment, a kind of particular circuit configurations schematic diagram when driving isolation circuit is used for controlling Current Reversible Chopper 2, specifically referring to Fig. 5.
Detailed description of the invention two: referring to Fig. 1,2 and 5 explanation present embodiments, the difference of the pure electric automobile regeneration brake system energy recycle device described in present embodiment and detailed description of the invention one is, described composite power source 1 comprises lithium cell group 1-1, SOC system 1-2, voltage detecting circuit 1-3, mode of operation shifter 1-4, two-way DC/DC changer 1-5 and super capacitor 1-6;
The data-signal mouth of described lithium cell group 1-1 is connected with the data-signal input end of SOC system 1-2, the data-signal mouth of SOC system 1-2, and as a serial communication end of composite power source 1,
The first electric signal input/output terminal of mode of operation shifter 1-4 is connected with the first electric signal input/output terminal of lithium cell group 1-1,
The second electric signal input/output terminal of mode of operation shifter 1-4, as an electric signal input/output terminal of composite power source 1,
The driving signal input of mode of operation shifter 1-4, as the driving signal input of composite power source 1,
The switching signal output part of mode of operation shifter 1-4 is connected with the signal input part of two-way DC/DC changer 1-5, and the signal output part of two-way DC/DC changer 1-5 is connected with one end of super capacitor 1-6,
After the other end of super capacitor 1-6 is connected with the second electric signal input/output terminal of lithium cell group 1-1, as another electric signal input/output terminal of composite power source 1,
Voltage detecting circuit 1-3 is for detection of the terminal voltage of super capacitor 1-6, and the signal output part of voltage detecting circuit 1-3, as another serial communication end of composite power source 1.
In present embodiment, in the time that pure electric automobile starts, accelerates, by composite power source 1 powered operation, through the processing of boosting of Current Reversible Chopper 2, drive system electrical energy transfer to pure electric automobile, now composite power source 1 is super capacitor 1-6 preferential discharge, in the time that voltage detecting circuit 1-3 detects that super capacitor 1-6 has been discharged, is converted to lithium cell group 1-1 electric discharge by mode of operation shifter 1-4.
Detailed description of the invention three: present embodiment is described referring to Fig. 3, the difference of the pure electric automobile regeneration brake system energy recycle device described in present embodiment and detailed description of the invention two is, described mode of operation shifter 1-4 comprises No. 1 power switch pipe IGBT Q1, No. 2 power switch pipe IGBT Q2, No. 1 diode D1 and No. 2 diode D2
No. 1 described power switch pipe IGBT Q1 and the grid of No. 2 power switch pipe IGBT Q2 be all for receiving driving signal,
After the emitter of No. 1 power switch pipe IGBT Q1 is connected with the anode of the collecting electrode of No. 2 power switch pipe IGBT Q2, No. 1 diode D1 and the negative electrode of No. 2 diode D2 simultaneously, as the second electric signal input/output terminal of mode of operation shifter 1-4,
After the collecting electrode of No. 1 power switch pipe IGBT Q1 is connected with the negative electrode of No. 1 diode D1, as the first electric signal input/output terminal of mode of operation shifter 1-4;
After the emitter of No. 2 power switch pipe IGBT Q2 and the anodic bonding of No. 2 diode D2, as the switching signal output part of mode of operation shifter 1-4.
Detailed description of the invention four: present embodiment is described referring to Fig. 4, the difference of the pure electric automobile regeneration brake system energy recycle device described in present embodiment and detailed description of the invention two is, described Current Reversible Chopper 2 comprises No. 3 power switch pipe IGBT Q3, No. 4 power switch pipe IGBT Q4, No. 3 diode D3, No. 4 diode D4,1 and No. 1 resistance R 1 of No. 1 inductance L
The emitter of No. 3 described power switch pipe IGBT Q3 is connected with one end of the collecting electrode of No. 4 power switch pipe IGBT Q4, No. 3 diode D3 anodes, No. 4 diode D4 negative electrodes and No. 1 inductance L 1 simultaneously, the other end of No. 1 inductance L 1 is for being connected with the drive system of pure electric automobile
After the collecting electrode of No. 3 power switch pipe IGBT Q3 is connected with No. 3 diode D3 negative electrodes, for being connected with an electric signal input/output terminal of composite power source 1, after the emitter of No. 4 power switch pipe IGBT Q4 is connected with the anode of No. 4 diode D4 simultaneously, for being connected with another electric signal input/output terminal of composite power source 1 and the drive system of pure electric automobile.
In present embodiment, after the energy that Current Reversible Chopper 2 can send composite power source 1 boosts and processes, give pure electric vehicle power, energy that also can feedback under braking of battery electric vehicle state carries out step-down processing to composite power source 1 safe charging again.These Current Reversible Chopper 2 buck amplitudes can be regulated by outside dutycycle incoming signal.
The structure of pure electric automobile regeneration brake system energy recycle device described in the utility model is not limited to the concrete structure that the respective embodiments described above are recorded, and can also be the reasonable combination of the technical characterictic recorded of the respective embodiments described above.
Claims (4)
1. pure electric automobile regeneration brake system energy recycle device, it is characterized in that, it comprises composite power source (1), Current Reversible Chopper (2), CAN communication interface circuit (3) and driving isolation circuit (4);
The serial communication end of described composite power source (1) by CAN communication interface circuit (3) for communicating and be connected with upper computer and dsp controller, the electric signal input/output terminal of composite power source (1) by Current Reversible Chopper (2) for being electrically connected with the drive system of pure electric automobile
First of driving isolation circuit (4) drives signal output part to be connected with the driving signal input of composite power source (1), second of driving isolation circuit (4) drives signal output part to be connected with the driving signal input of Current Reversible Chopper (2)
The control signal input end of driving isolation circuit (4) is for receiving the control signal that dsp controller sends.
2. pure electric automobile regeneration brake system energy recycle device according to claim 1, it is characterized in that, described composite power source (1) comprises lithium cell group (1-1), SOC system (1-2), voltage detecting circuit (1-3), mode of operation shifter (1-4), two-way DC/DC changer (1-5) and super capacitor (1-6);
The data-signal mouth of described lithium cell group (1-1) is connected with the data-signal input end of SOC system (1-2), the data-signal mouth of SOC system (1-2), as a serial communication end of composite power source (1)
The first electric signal input/output terminal of mode of operation shifter (1-4) is connected with the first electric signal input/output terminal of lithium cell group (1-1),
The second electric signal input/output terminal of mode of operation shifter (1-4), as an electric signal input/output terminal of composite power source (1),
The driving signal input of mode of operation shifter (1-4), as the driving signal input of composite power source (1),
The switching signal output part of mode of operation shifter (1-4) is connected with the signal input part of two-way DC/DC changer (1-5), the signal output part of two-way DC/DC changer (1-5) is connected with one end of super capacitor (1-6)
After the other end of super capacitor (1-6) is connected with the second electric signal input/output terminal of lithium cell group (1-1), as another electric signal input/output terminal of composite power source (1),
Voltage detecting circuit (1-3) is for detection of the terminal voltage of super capacitor (1-6), and the signal output part of voltage detecting circuit (1-3), as another serial communication end of composite power source (1).
3. pure electric automobile regeneration brake system energy recycle device according to claim 2, it is characterized in that, described mode of operation shifter (1-4) comprises No. 1 power switch pipe IGBT (Q1), No. 2 power switch pipe IGBT (Q2), No. 1 diode (D1) and No. 2 diodes (D2)
Described No. 1 power switch pipe IGBT (Q1) and the grid of No. 2 power switch pipe IGBT (Q2) be all for receiving driving signal,
After the emitter of No. 1 power switch pipe IGBT (Q1) is connected with collecting electrode, the anode of No. 1 diode (D1) and the negative electrode of No. 2 diodes (D2) of No. 2 power switch pipe IGBT (Q2) simultaneously, as the second electric signal input/output terminal of mode of operation shifter (1-4)
After the collecting electrode of No. 1 power switch pipe IGBT (Q1) is connected with the negative electrode of No. 1 diode (D1), as the first electric signal input/output terminal of mode of operation shifter (1-4);
After the anodic bonding of the emitter of No. 2 power switch pipe IGBT (Q2) and No. 2 diodes (D2), as the switching signal output part of mode of operation shifter (1-4).
4. pure electric automobile regeneration brake system energy recycle device according to claim 2, it is characterized in that, described Current Reversible Chopper (2) comprises No. 3 power switch pipe IGBT (Q3), No. 4 power switch pipe IGBT (Q4), No. 3 diodes (D3), No. 4 diodes (D4), No. 1 inductance (L1) and No. 1 resistance (R1)
The emitter of described No. 3 power switch pipe IGBT (Q3) is connected with one end of the collecting electrode of No. 4 power switch pipe IGBT (Q4), No. 3 diodes (D3) anode, No. 4 diode (D4) negative electrodes and No. 1 inductance (L1) simultaneously, the other end of No. 1 inductance (L1) is for being connected with the drive system of pure electric automobile
After the collecting electrode of No. 3 power switch pipe IGBT (Q3) is connected with No. 3 diodes (D3) negative electrode, for being connected with an electric signal input/output terminal of composite power source (1), after the emitter of No. 4 power switch pipe IGBT (Q4) is connected with the anode of No. 4 diodes (D4) simultaneously, for being connected with another electric signal input/output terminal of composite power source (1) and the drive system of pure electric automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027389.4U CN203713585U (en) | 2014-01-16 | 2014-01-16 | Energy recovery device for pure electric vehicle regenerative braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027389.4U CN203713585U (en) | 2014-01-16 | 2014-01-16 | Energy recovery device for pure electric vehicle regenerative braking system |
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| Publication Number | Publication Date |
|---|---|
| CN203713585U true CN203713585U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420027389.4U Expired - Fee Related CN203713585U (en) | 2014-01-16 | 2014-01-16 | Energy recovery device for pure electric vehicle regenerative braking system |
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| Country | Link |
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| CN (1) | CN203713585U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031412A (en) * | 2017-05-02 | 2017-08-11 | 深圳市虹鹏能源科技有限责任公司 | A kind of rail transit locomotive skidding energy recycle device and method |
| CN110641281A (en) * | 2019-10-12 | 2020-01-03 | 北京北方华德尼奥普兰客车股份有限公司 | Control method for fuel cell electricity-electricity hybrid electric vehicle energy distributor system |
-
2014
- 2014-01-16 CN CN201420027389.4U patent/CN203713585U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031412A (en) * | 2017-05-02 | 2017-08-11 | 深圳市虹鹏能源科技有限责任公司 | A kind of rail transit locomotive skidding energy recycle device and method |
| CN110641281A (en) * | 2019-10-12 | 2020-01-03 | 北京北方华德尼奥普兰客车股份有限公司 | Control method for fuel cell electricity-electricity hybrid electric vehicle energy distributor system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150116 |
|
| EXPY | Termination of patent right or utility model |