CN106627172A - Automotive decoupling distributed braking system pure electric braking actuator - Google Patents
Automotive decoupling distributed braking system pure electric braking actuator Download PDFInfo
- Publication number
- CN106627172A CN106627172A CN201610969974.XA CN201610969974A CN106627172A CN 106627172 A CN106627172 A CN 106627172A CN 201610969974 A CN201610969974 A CN 201610969974A CN 106627172 A CN106627172 A CN 106627172A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- brake
- control unit
- electromagnetic clutch
- electromagnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D37/00—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
- F16D37/02—Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive the particles being magnetisable
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
Abstract
The invention relates to the technical field of vehicle braking. An automotive decoupling distributed braking system pure electric braking actuator includes a braking disc, an electromagnetic clutch, an electromagnetic brake, a battery pack, and an electronic control unit. Input axes of both the electromagnetic clutch and the electromagnetic brake connect with the braking disc, and driven part of the electromagnetic clutch connects with a regenerative motor; the battery pack connects with the electromagnetic clutch and the electromagnetic brake, and the electronic control unit is used for controlling the circuit on-off between the electromagnetic clutch with the battery packand between the electromagnetic brake with the battery pack; the regenerative motor connects with the battery pack, and the electronic control unit is used for controlling the regenerative motor to charge for the battery pack, orcontrolling the battery pack to change for the regenerative motor. Canceling traditional friction braking device makes dynamic response performance good and arrangement convenient,and braking energy can be changed into electric energy by the regenerative motor to drive the electromagnetic brake directly, and braking load can be shared.
Description
Technical field
The present invention relates to vehicle brake technology field, and in particular to a kind of pure electric-type system of automobile decoupling distributed brake system
Dynamic executing agency.
Background technology
Brakes is one of important component part of automobile chassis, is directly connected to comprehensive vehicle performance and lives and properties
Safety.Although conventional hydraulic formula, pneumatic brake system disclosure satisfy that the requirements of existing brake legislation, pipe is there is
Complexity is arranged, can not actively be adjusted and be difficult to and other by vacuum booster unit, braking response speed relatively slow, braking moment in road
The weak points such as system integration control, are not suitable for the demand for development of the automobile especially integrated control of electric automobile chassis.
Electric controlled brake system realizes the decoupling of brakes, mainly there is EHB (EHB) and electronic machine
Two kinds of tool brakes (EMB), eliminates being directly connected between brake pedal and wheel cylinder, with electric wire as information transmission matchmaker
It is situated between, electronic control unit recognizes braking intention according to relevant sensor signals, controls brake actuator action, realizes to wheel
The control of brake force, has the advantages that to be independent of vacuum booster unit, is easily integrated control, compensate for Conventional braking systems structure
Deficiency in principle.
But, EHB systems typically adopt centralized arrangement mode, still need to arrange car load conduit under fluid pressure, and dynamic response performance can
Further to improve.EMB systems typically using distribution arrangement, without the need for arranging car load brake-press lead, with dynamic property it is good,
The advantages of arranging easy.But, current EMB systems are mostly single electric machine actuating mechanism, fail to make full use of automobile brake energy
Friction catch is driven, and automobile brake load can not be shunted and friction braking pairses abrasion is reduced.And, whether EHB systems, go back
It is EMB systems, belongs to friction catch mode, brake wear, friction dust and brake-fade unavoidably occurs
The problems such as.To so far, the pure electric-type brake actuator of automobile decoupling distributed brake system also rarely has and refers to.
The content of the invention
It is an object of the invention to propose that one kind is applied to automobile decoupling distributed brake system, using pure electric-type braking side
Formula, cancels traditional friction stopping device, and without the need for arranging car load brake-press lead, dynamic response performance is good, compact conformation, arrangement side
Just, it is easy to the integrated control of other systems, braking energy can be changed into into electric energy by regeneration motor and directly drive electromagnetic brake
Work, and brake load can be shared and reduce the pure electric-type brake actuator of electromagnetic brake energy consumption.
The technical solution adopted for the present invention to solve the technical problems is：A kind of pure electricity of automobile decoupling distributed brake system
Formula brake actuator, including brake disc, electromagnetic clutch, electromagnetic brake, battery pack and electronic control unit, the electromagnetism
The input shaft of clutch and the input shaft of electromagnetic brake are connected with the brake disc, the electromagnetic clutch it is driven
Part is connected with generator again；The battery pack is electrically connected with the electromagnetic clutch and electromagnetic brake, the electronics control
Unit processed is used to control the break-make of circuit between the electromagnetic clutch and battery pack and electromagnetic brake and battery pack；It is described
Again generator is electrically connected with the battery pack, and the electronic control unit fills for controlling the regeneration motor to the battery pack
Electricity or the control battery pack are powered to the regeneration motor.
Further, it is effectively to realize being connected for brake disc and electromagnetic clutch and electromagnetic brake, described system
Gear ring is provided with Moving plate periphery, the brake disc is engaged with little gear by gear ring, and the little gear drives the electromagnetism
The input shaft of clutch and the input shaft of electromagnetic brake are rotated.
Further, due to producing heat in the brake actuator course of work, in order to heat is shed in time, also include
Cooling fan, the cooling fan is arranged near body of a motor car side, and the cooling fan is electrically connected with the battery pack, described
Electronic control unit controls the break-make of electricity between the cooling fan and the battery pack.
Further, also heat dissipation metal fine-structure mesh is provided with the heat dissipation channel including heat dissipation channel and temperature sensor,
The cooling fan is corresponding with the heat dissipation channel, and described temperature sensor connects with the electronic control unit electric signal
Connect, the electronic control unit controls the opening and closing of the cooling fan according to the signal of the temperature sensor.Work as temperature
When degree sensor detects that temperature is higher in brake actuator, electronic control unit receives the signal control of temperature sensor
Cooling fan starts can effectively be shed heat using heat dissipation channel, reduce the temperature in brake actuator, when temperature drop
When as little as in preset range, electronic control unit control cooling fan is out of service.
Further, described electromagnetic clutch includes magnetic conductive disk, magnetic, magnetic room, magnetizing coil and the follower
Point, the magnetic conductive disk is set on the input shaft of the electromagnetic clutch, and the magnetizing coil is arranged on the secondary part, institute
State magnetic to be distributed in the magnetic room, and the magnetic room is located between magnetizing coil and magnetic conductive disk.When magnetizing coil does not have
During electric current, magnetic does not receive magnetic fields, is loosely distributed in magnetic room, and electromagnetic clutch is released state, follower
Dividing can freely rotate and the input shaft of electromagnetic clutch between, then generator does not work；When magnetizing coil has electric current to pass through,
Magnetic rapid solidification under magnetic fields, is holded up in chain by " loose " state, in magnetic field formed " solid magnetic linkage ", electromagnetism from
Clutch is engagement state, and the input shaft of electromagnetic clutch and secondary part are connected as one, and now brake disc can pass through little tooth
Wheel, electromagnetic clutch drive regeneration rotor to rotate.Magnetic conductive disk can be connected by spline with electromagnetic clutch input shaft, with
Electromagnetic clutch input shaft to rotate together.
Preferably, the magnetizing coil is electrically connected by carbon brush, slip ring and relay with the battery pack.
Further, the battery pack is connected with automobile power source, and is provided with diode between the two；Work as battery voltage
Higher than vehicle power supply voltage, diode cut-off；When battery voltage is less than vehicle power supply voltage, diode current flow, automobile power source
System is to described battery-powered.This structure, if automobile power system occurs catastrophic failure, brake actuator is remained to normally
Work, improves functional reliability.
Further, described brake actuator is independently arranged at each wheel.So can individually control every
The braking of individual wheel, it is non-interference between each brake actuator, improve braking effect.
Preferably, described electronic control unit is electrically connected with master control unit, the master control unit is responsible for identification
Operator brake is intended to, judges on-position, distributes each wheel target braking force and electronic control unit and automobile other systems
Between information exchange.
Beneficial effect：When automobile brake, the electric current between electronic control unit control battery pack and electromagnetic clutch is led
Logical, electromagnetic clutch engagement, brake disc drives regeneration motor to rotate by little gear, electromagnetic clutch, by automobile brake energy
It is changed into electric energy and partial brake torque is provided, reach recovery braking energy, Split flow brake load reduces electromagnetic brake energy consumption
Purpose.When the braking moment for regenerating motor offer is inadequate, electronic control unit control electromagnetic brake work, there is provided braking
Torque makes wheel slow down, braking.
The present invention is decoupling distributed brake executing agency, without the need for arranging car load brake-press lead, it is easy to other systems collection
Into control, compact conformation, arrangement are conveniently and dynamic response is rapid；Present invention eliminates traditional friction stopping device, can avoid
There is the problems such as brake wear, friction dust and brake-fade；Braking energy can be changed into electric energy by the present invention, and can
Driving electromagnetic brake work is directly used in, braking energy utilization ratio is improved and is reduced energy resource consumption；Generator again of the invention
During work, braking moment can be produced and share brake load, reduce electromagnetic brake energy consumption；The present invention has preferable anti-failure energy
Power, each brake actuator is relatively independent, if one of them breaks down, other are several can still to make automobile reliably slow down,
Stop；The present invention is easily achieved emergency brake function, can drive brake actuator action by automobile itself braking energy, realizes
Car emergency is braked；The present invention has self refrigerating function, and brake actuator temperature can be prevented too high and braking ability is affected.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation.
Fig. 1 is pure electric-type brake actuator structure diagram of the invention；
Fig. 2 is electromagnetic clutch structural representation；
Fig. 3 is pure electric-type brake actuator arrangement schematic diagram.
Wherein:1. brake disc, 2. electromagnetic clutch, 3. generator again, 4. electronic control unit, 5. battery pack, 6. little tooth
Take turns, 7. electromagnetic brake, 8. cooling fan, 9. wheel, 10. brake actuator, 11. magnetizing coils, 12. magnetics, 13. carbon
Brush, 14. magnetic conductive disks, the input shaft of 15. electromagnetic clutch, 16. rolling bearings.
Specific embodiment
Embodiment
As shown in figure 1, a kind of pure electric-type brake actuator, including brake disc 1, electromagnetic clutch 2, electromagnetic brake 7,
Battery pack 5 and electronic control unit 4, on the described periphery of brake disc 1 gear ring is provided with, and the brake disc 1 is nibbled by gear ring
Conjunction has little gear 6, and the little gear 6 drives the input shaft of the input shaft 15 of the electromagnetic clutch and electromagnetic brake 7 to turn
It is dynamic；The secondary part of the electromagnetic clutch 2 is connected with regeneration motor 3, the battery pack 5 and the electromagnetic clutch 2 and
Electromagnetic brake 7 is electrically connected, and the electronic control unit 4 is used to control the electromagnetic clutch 2 with battery pack 5 and electromagnetic system
The break-make of circuit between dynamic device 7 and battery pack 5；The regeneration motor 3 is electrically connected with the battery pack 5, the Electronic Control list
Unit 4 be used for control it is described regeneration motor 3 charge to the battery pack 5 or control the battery pack 5 to it is described regeneration motor 3 supply
Electricity.The battery pack 5 is connected with automobile power source, and is provided with diode between the two；When the voltage of battery pack 5 is higher than automobile power source
Voltage, diode cut-off；When the voltage of battery pack 5 is less than vehicle power supply voltage, diode current flow, automobile power system is to the electricity
Pond group 5 is powered.Battery pack 5 in the application can be lithium battery.
The brake actuator 10 also includes cooling fan 8, heat dissipation channel and temperature sensor, the cooling fan 8
Arrange near body of a motor car side, the cooling fan 8 is electrically connected with the battery pack 5, the control of the electronic control unit 4 institute
State the break-make of electricity between cooling fan 8 and the battery pack 5；Heat dissipation metal fine-structure mesh is provided with the heat dissipation channel, it is described cold
But fan 8 is corresponding with the heat dissipation channel, and described temperature sensor is connected with the electric signal of the electronic control unit 4, institute
State the opening and closing that electronic control unit 4 controls the cooling fan 8 according to the signal of the temperature sensor.
Specifically, the electromagnetic clutch 2 described in the present embodiment is magnetic-powder-type electromagnetic clutch, including magnetic conductive disk 14, magnetic
Powder 12, magnetic room, magnetizing coil 11 and the secondary part, the magnetic conductive disk 14 is set in the input shaft of the electromagnetic clutch
On 15, the magnetizing coil 11 is arranged on the secondary part, and the magnetic 12 is distributed in the magnetic room, and the magnetic
Room is located between magnetizing coil 11 and magnetic conductive disk 14；Wherein described magnetizing coil 11 by carbon brush 13, slip ring and relay with
The battery pack 5 is electrically connected.In addition, electromagnetic brake 7 is the formula brake of magnetic 12, its principle and electromagnetic clutch in the present embodiment
Device 2 is similar, and simply electromagnetic brake 7 is without secondary part.
As shown in figure 3, car load is independently arranged using decoupling distributed brake system at each wheel 9 in the present embodiment
There is the brake actuator 10 (by taking four wheels 9 as an example) described in, it is non-interference between each brake actuator 10, wherein
Electronic control unit 4 described in four is connected with a master control unit, and the master control unit is responsible for recognizing operator brake
It is intended to, judges on-position, distributes each target braking force of wheel 9 and the information between electronic control unit 4 and automobile other systems
Interaction.
Operation principle is as follows：During normal vehicle operation, when magnetizing coil 11 does not have electric current, magnetic 12 is not made by magnetic field
With, loosely it is distributed in magnetic room, electromagnetic clutch 2 is the input shaft 15 of released state, secondary part and electromagnetic clutch
Between can freely rotate, regeneration motor 3 do not work；When vehicle is braked, master control unit recognizes the braking intention of driver,
And each electronic control unit 4 is transmitted signals to, electric current is led between the control electromagnetic clutch 2 of electronic control unit 4 and battery pack 5
It is logical, so as to the magnetizing coil 11 of electromagnetic clutch 2 has electric current to pass through, the rapid solidification under magnetic fields of magnetic 12, by " loose "
State is holded up in chain, and in magnetic field " solid magnetic linkage " is formed, and electromagnetic clutch 2 is engagement state, by the defeated of electromagnetic clutch
Enter axle 15 to connect as one with secondary part, now brake disc 1 can drive regeneration motor 3 by little gear 6, electromagnetic clutch 2
Rotor is rotated, and regeneration motor 3 produces electric energy and charges to battery pack 5, while providing partial brake torque, reaches recovery Brake Energy
Amount, Split flow brake load reduces the purpose of the energy consumption of electromagnetic brake 7.When the brake force for regenerating the offer of motor 3 is inadequate, electronics
The control electromagnetic brake 7 of control unit 4 works, there is provided braking moment makes wheel 9 slow down, brake.When automobile accelerates, climbs in anxious
During the operating modes such as slope, electronic control unit 4 can control battery pack 5 and power to regeneration motor 3, and controls electromagnetic clutch 2 and close, this
Shi Zaisheng motors 3 enter electric motor mode, and regeneration motor 3 is carried by electromagnetic clutch 2, little gear 6 and brake disc 1 to wheel 9
For process auxiliary drive torque.
When temperature is raised in brake actuator 10, temperature signal is passed to electronic control unit 4 by temperature sensor,
Electronic control unit 4 controls battery pack 5 and the UNICOM of cooling fan 8, and cooling fan 8 works, by the inside of brake actuator 10 heat
Amount sheds in time.
In this process if the voltage of battery pack 5 is higher than vehicle power supply voltage, diode cut-off, brake actuator 10
Power-supply system is relatively independent, when the voltage of battery pack 5 is less than vehicle power supply voltage, diode current flow, and automobile power source is to lithium battery
Charge, it is ensured that brake actuator 10 can be used normally, if automobile power system occurs catastrophic failure, brake execution machine
Structure 10 remains to normal work, and reliability is high.
It should be appreciated that specific embodiment described above is only used for explaining the present invention, it is not intended to limit the present invention.By
Among the obvious change extended out of spirit or variation of the present invention are still in protection scope of the present invention.
Claims (9)
1. the pure electric-type brake actuator of a kind of automobile decoupling distributed brake system, it is characterised in that：Including brake disc (1),
Electromagnetic clutch (2), electromagnetic brake (7), battery pack (5) and electronic control unit (4), the input shaft of the electromagnetic clutch
(15) be connected with the brake disc (1) with the input shaft of electromagnetic brake (7), the electromagnetic clutch (2) it is driven
Part is connected with again generator (3)；The battery pack (5) is electrically connected with the electromagnetic clutch (2) and electromagnetic brake (7)
Connect, the electronic control unit (4) for control the electromagnetic clutch (2) and battery pack (5) and electromagnetic brake (7) with
The break-make of circuit between battery pack (5)；The generator again (3) electrically connects with the battery pack (5), the electronic control unit
(4) battery pack (5) is charged or controlled to the battery pack (5) to the regeneration electricity for controlling the generator (3) again
Machine (3) is powered.
2. the pure electric-type brake actuator of automobile decoupling distributed brake system according to claim 1, it is characterised in that：
Gear ring is provided with described brake disc (1) periphery, the brake disc (1) is engaged with little gear (6) by gear ring, described little
Gear (6) drives the input shaft of the input shaft (15) of the electromagnetic clutch and electromagnetic brake (7) to rotate.
3. the pure electric-type brake actuator of automobile decoupling distributed brake system according to claim 1 and 2, its feature exists
In：Also include cooling fan (8), the cooling fan (8) is near the setting of body of a motor car side, the cooling fan (8) and institute
Battery pack (5) electrical connection is stated, the electronic control unit (4) controls electricity between the cooling fan (8) and the battery pack (5)
Break-make.
4. the pure electric-type brake actuator of automobile decoupling distributed brake system according to claim 3, it is characterised in that：
Also include heat dissipation channel and temperature sensor, be provided with heat dissipation metal fine-structure mesh in the heat dissipation channel, the cooling fan (8) with
The heat dissipation channel is corresponding, and described temperature sensor is connected with the electronic control unit (4) electric signal, the electronics control
Unit (4) processed controls the opening and closing of the cooling fan (8) according to the signal of the temperature sensor.
5. the pure electric-type brake actuator of automobile decoupling distributed brake system according to claim 1 and 2, its feature exists
In：Described electromagnetic clutch (2) includes magnetic conductive disk (14), magnetic (12), magnetic room, magnetizing coil (11) and the follower
Point, the magnetic conductive disk (14) is set on the input shaft of the electromagnetic clutch (15), and the magnetizing coil (11) is installed in institute
Secondary part is stated, the magnetic (12) is distributed in the magnetic room, and the magnetic room is located at magnetizing coil (11) and magnetic conduction
Between disk (14).
6. the pure electric-type brake actuator of automobile decoupling distributed brake system according to claim 5, it is characterised in that：
The magnetizing coil (11) is electrically connected by carbon brush (13), slip ring and relay with the battery pack (5).
7. the pure electric-type brake actuator of automobile decoupling distributed brake system according to claim 1, it is characterised in that：
The battery pack (5) is connected with automobile power source, and is provided with diode between the two；When battery pack (5) voltage is higher than automobile electricity
Source voltage, diode cut-off；When battery pack (5) voltage is less than vehicle power supply voltage, diode current flow, automobile power source is to the electricity
Pond group (5) is powered.
8. the pure electric-type brake actuator of automobile decoupling distributed brake system according to claim 1, it is characterised in that：
Each wheel (9) place is independently arranged described brake actuator (10).
9. the pure electric-type brake actuator of automobile decoupling distributed brake system according to claim 8, it is characterised in that：
Described electronic control unit (4) is electrically connected with master control unit, the master control unit be responsible for recognizing operator brake be intended to,
Judge on-position, distribute each wheel (9) target braking force and the information between electronic control unit (4) and automobile other systems
Interaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610969974.XA CN106627172B (en) | 2016-10-28 | 2016-10-28 | The pure electric-type brake actuator of automobile decoupling distributed brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610969974.XA CN106627172B (en) | 2016-10-28 | 2016-10-28 | The pure electric-type brake actuator of automobile decoupling distributed brake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106627172A true CN106627172A (en) | 2017-05-10 |
| CN106627172B CN106627172B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610969974.XA Active CN106627172B (en) | 2016-10-28 | 2016-10-28 | The pure electric-type brake actuator of automobile decoupling distributed brake system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106627172B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544194A (en) * | 2009-04-30 | 2009-09-30 | 浙江大学 | Automotive braking energy recovering device |
| CN102001292A (en) * | 2010-10-28 | 2011-04-06 | 中国农业大学 | Feedback locking braking energy recovery automobile braking system |
| CN203460716U (en) * | 2013-07-22 | 2014-03-05 | 长安大学 | Brake energy recovery device for floating caliper disc brake |
| CN103697089A (en) * | 2013-12-27 | 2014-04-02 | 清华大学 | Self-energizing magnetorheological fluid brake device capable of recycling brake energy |
| CN205395792U (en) * | 2016-02-24 | 2016-07-27 | 叶尔灭克·特列吾哈孜 | Energy recuperation device and electric automobile |
-
2016
- 2016-10-28 CN CN201610969974.XA patent/CN106627172B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544194A (en) * | 2009-04-30 | 2009-09-30 | 浙江大学 | Automotive braking energy recovering device |
| CN102001292A (en) * | 2010-10-28 | 2011-04-06 | 中国农业大学 | Feedback locking braking energy recovery automobile braking system |
| CN203460716U (en) * | 2013-07-22 | 2014-03-05 | 长安大学 | Brake energy recovery device for floating caliper disc brake |
| CN103697089A (en) * | 2013-12-27 | 2014-04-02 | 清华大学 | Self-energizing magnetorheological fluid brake device capable of recycling brake energy |
| CN205395792U (en) * | 2016-02-24 | 2016-07-27 | 叶尔灭克·特列吾哈孜 | Energy recuperation device and electric automobile |
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| Publication number | Publication date |
|---|---|
| CN106627172B (en) | 2019-02-19 |
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