CN207549969U - A kind of air pressure type braking energy recovery system - Google Patents
A kind of air pressure type braking energy recovery system Download PDFInfo
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- CN207549969U CN207549969U CN201721667839.6U CN201721667839U CN207549969U CN 207549969 U CN207549969 U CN 207549969U CN 201721667839 U CN201721667839 U CN 201721667839U CN 207549969 U CN207549969 U CN 207549969U
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Abstract
The utility model is a kind of air pressure type braking energy recovery system.The system includes brake chamber, front and rear spindle motor and differential mechanism, antero posterior axis overflow valve, antero posterior axis electric control exhaust valve, antero posterior axis baroceptor, pedal displacement sensor, brake pedal and the dry gas receiver of brake valve, antero posterior axis, the threeway of antero posterior axis pneumatic circuit, entire car controller.Front and rear spindle motor is mounted on antero posterior axis differential mechanism；Antero posterior axis overflow valve and antero posterior axis electric control exhaust valve are connected on antero posterior axis brake circuit；Antero posterior axis baroceptor is installed on antero posterior axis brake circuit；Pedal displacement sensor is installed on brake pedal；It is attached between the dry gas receiver of antero posterior axis and brake valve by pneumatic circuit；Antero posterior axis barometric brake circuit pressure signal and pedal displacement signal can be received by signal wire for entire car controller and spindle motor and electric control exhaust valve send out control signal forwards, backwards.While the utility model makes the electric vehicle have braking energy recovering function, ensure that the original braking ability of vehicle is constant.
Description
Technical field
The utility model belongs to pure electric automobile technical field, specifically a kind of air pressure type braking energy recycling system
System.
Background technology
During automobile is braked, understand and many energy are lost on automotive brake, and Brake energy recovery
Technology can then be recycled and utilized to the portion of energy.The core of Brake energy recovery technology is exactly to automobile by motor
Apply brake force, motor participates in more in braking process, then the effect of Brake energy recovery is better.But existing system
Energy recovery technology is mostly that pressure is adjusted using the component of ABS system, can thus generate two drawbacks：1st, it makes
The coordination control difficulty of energy recovery system and ABS system is big；2nd, this kind of method configuration is complicated, of high cost.
Invention content
The utility model provides a kind of air pressure type braking energy recovery system simple in structure, solves the prior art
Coordinate the problem of control difficulty is big between brake energy recovering system and ABS system.
Technical solutions of the utility model are described with reference to the drawings as follows：
A kind of air pressure type braking energy recovery system, which is characterized in that the system includes the near front wheel brake chamber 1, front axle
Differential mechanism 2, preceding spindle motor 3, front axle pneumatic circuit threeway 4, off-front wheel brake chamber 5, front axle electric control exhaust valve 6, front axle air pressure
The dry gas receiver 12 of sensor 7, front axle overflow valve 8, pedal displacement sensor 9, brake pedal 10, brake valve 11, front axle, rear axle are done
Gas receiver 13, off hind wheel brake chamber 14, rear spindle motor 15, rear axle differential 16, left rear wheel brake chamber 17, rear axle overflow valve
18th, rear axle baroceptor 19, rear axle electric control exhaust valve 20, rear axle pneumatic circuit threeway 21 and entire car controller 22；Wherein institute
The outlet side for the dry gas receiver 12 of front axle stated and the ante-chamber inlet end of brake valve 11 are attached by pneumatic circuit；The system
The ante-chamber outlet side of dynamic valve 11 and the inlet end of front axle overflow valve 8 are attached by pneumatic circuit；The front axle overflow valve 8
Outlet side and the inlet end of front axle electric control exhaust valve 6 be attached by pneumatic circuit；The front axle electric control exhaust valve 6
Exhaust end is connected with air, and outlet side and the air inlet of front axle pneumatic circuit threeway 4 are attached by pneumatic circuit；Described
P port of two gas outlets of front axle pneumatic circuit threeway 4 respectively with the near front wheel brake chamber 1 and off-front wheel brake chamber 5 leads to
Pneumatic circuit is crossed to be attached；The outlet side of the dry gas receiver 13 of the rear axle passes through air pressure with the back cavity inlet end of brake valve 11
Pipeline is attached；The back cavity outlet side of the brake valve 11 is carried out with the inlet end of rear axle overflow valve 18 by pneumatic circuit
Connection；The outlet side of the rear axle overflow valve 18 and the inlet end of rear axle electric control exhaust valve 20 are connected by pneumatic circuit
It connects；The exhaust end of the rear axle electric control exhaust valve 20 is connected with air, outlet side and the air inlet of rear axle pneumatic circuit threeway 21
Mouth is attached by pneumatic circuit；Gas is braked with off hind wheel in two gas outlets of the rear axle pneumatic circuit threeway 21 respectively
Room 14 and the P ports of left rear wheel brake chamber 17 are attached by pneumatic circuit；The near front wheel brake chamber 1, it is right before
Take turns brake chamber 5, off hind wheel brake chamber 14, left rear wheel brake chamber 17 respectively with the near front wheel, off-front wheel, off hind wheel, left back
The brake connection of wheel；The brake pedal 10 is connect with brake valve 11；The preceding spindle motor 3 is mounted on front axle differential
On 2；The rear spindle motor 15 is mounted on rear axle differential 16；The front axle differential 2 and rear axle differential 16 is distinguished
On preceding bridge and rear axle；The pedal displacement sensor 9 is mounted on brake pedal 10；The front axle air pressure sensing
Device 7 is arranged on the pneumatic circuit between the outlet side of front axle overflow valve 8 and the inlet end of front axle electric control exhaust valve 6；Described
Rear axle baroceptor 19 is arranged on the gas between the outlet side of rear axle overflow valve 18 and the inlet end of rear axle electric control exhaust valve 20
Pressure pipe road；Pedal displacement sensor 9, front axle baroceptor 7 and the rear axle baroceptor 19 and entire car controller
22 connections；The entire car controller 22 and preceding spindle motor 3, rear spindle motor 15, front axle electric control exhaust valve 6 and rear axle electric control exhaust
Valve 20 connects.
The near front wheel brake chamber 1, off-front wheel brake chamber 5, off hind wheel brake chamber 14, left rear wheel brake chamber
17 clamp diaphragm brake chamber using clip.
Using permanent magnet synchronous motor, respectively axle applies motor braking for the preceding spindle motor 3, rear spindle motor 15
Power.
The pedal displacement sensor 9 uses angular displacement sensor, the displacement signal of brake pedal 10 is sent to whole
Vehicle controller 22.
The front axle electric control exhaust valve 6 uses two-bit triplet solenoid valve, when entire car controller 22 does not send out signal to it
When, front wheel brake gas chamber 1 and off-front wheel brake chamber 5 to the left will be connected by the high pressure gas of front axle overflow valve 8, when vehicle control
When device processed sends out signal to it, the high pressure gas in the near front wheel brake chamber 1 and off-front wheel brake chamber 5 is arranged to air.
The rear axle electric control exhaust valve 20 uses two-bit triplet solenoid valve, when entire car controller 22 does not send out signal to it
When, rear service brake gas chamber 14 and left rear wheel brake chamber 17 to the right will be connected by the high pressure gas of rear axle overflow valve 18, when whole
When vehicle controller sends out signal to it, the high pressure gas in off hind wheel brake chamber 14 and left rear wheel brake chamber 17 is arranged to big
Gas.
The beneficial effects of the utility model are：
1. a kind of air pressure type braking energy recovery system described in the utility model does not use ABS system component to antero posterior axis
Brake pressure is adjusted, and simplifies control method.
2. a kind of air pressure type braking energy recovery system described in the utility model can ensure the original brake feel of automobile
Feel constant.
3. a kind of air pressure type braking energy recovery system described in the utility model is simple in structure, traditional braking circuit is changed
It is dynamic small, be conducive to the space layout of vehicle.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure：1st, the near front wheel brake chamber；2nd, front axle differential；3rd, preceding spindle motor；4th, front axle pneumatic circuit threeway；5th, it is right
Front wheel brake gas chamber；6th, front axle electric control exhaust valve；7th, front axle baroceptor；8th, front axle overflow valve；9th, pedal displacement sensor；
10th, brake pedal；11st, brake valve；12nd, the dry gas receiver of front axle；13rd, the dry gas receiver of rear axle；14th, off hind wheel brake chamber；15th, after
Spindle motor；16th, rear axle differential；17th, left rear wheel brake chamber；18th, rear axle overflow valve；19th, rear axle baroceptor；20th, after
Axis electric control exhaust valve；21st, rear axle pneumatic circuit threeway；22nd, entire car controller.
Specific embodiment
Refering to Fig. 1, a kind of air pressure type braking energy recovery system, which is characterized in that the system includes the near front wheel and brakes gas
Room 1, front axle differential 2, preceding spindle motor 3, front axle pneumatic circuit threeway 4, off-front wheel brake chamber 5, front axle electric control exhaust valve 6,
Front axle baroceptor 7, front axle overflow valve 8, pedal displacement sensor 9, brake pedal 10, brake valve 11, the dry gas receiver of front axle
12nd, the dry gas receiver 13 of rear axle, off hind wheel brake chamber 14, rear spindle motor 15, rear axle differential 16, left rear wheel brake chamber 17,
Rear axle overflow valve 18, rear axle baroceptor 19, rear axle electric control exhaust valve 20, rear axle pneumatic circuit threeway 21 and entire car controller
22。
The outlet side of the dry gas receiver 12 of the wherein described front axle and the ante-chamber inlet end of brake valve 11 by pneumatic circuit into
Row connection；The ante-chamber outlet side of the brake valve 11 and the inlet end of front axle overflow valve 8 are attached by pneumatic circuit；Institute
The outlet side for the front axle overflow valve 8 stated and the inlet end of front axle electric control exhaust valve 6 are attached by pneumatic circuit；Before described
The exhaust end of axis electric control exhaust valve 6 is connected with air, and outlet side and the air inlet of front axle pneumatic circuit threeway 4 pass through pneumatic circuit
It is attached；It is braked respectively with the near front wheel brake chamber 1 and off-front wheel two gas outlets of the front axle pneumatic circuit threeway 4
The P ports of gas chamber 5 are attached by pneumatic circuit；The outlet side of the dry gas receiver 13 of the rear axle and the back cavity of brake valve 11
Inlet end is attached by pneumatic circuit；The back cavity outlet side of the brake valve 11 and the inlet end of rear axle overflow valve 18 lead to
Pneumatic circuit is crossed to be attached；The outlet side of the rear axle overflow valve 18 passes through gas with the inlet end of rear axle electric control exhaust valve 20
Pressure pipe road is attached；The exhaust end of the rear axle electric control exhaust valve 20 is connected with air, outlet side and rear axle pneumatic circuit
The air inlet of threeway 21 is attached by pneumatic circuit；Two gas outlets of the rear axle pneumatic circuit threeway 21 respectively with
The P ports of off hind wheel brake chamber 14 and left rear wheel brake chamber 17 are attached by pneumatic circuit；The near front wheel system
Take offence room 1, off-front wheel brake chamber 5, off hind wheel brake chamber 14, left rear wheel brake chamber 17 respectively with the near front wheel, off-front wheel,
The brake connection of off hind wheel, left rear wheel；The brake pedal 10 is connect with brake valve 11；The preceding spindle motor 3 is installed
In front axle differential 2；The rear spindle motor 15 is mounted on rear axle differential 16；The front axle differential 2 and rear axle
Before differential mechanism 16 is separately mounted on bridge and rear axle；The pedal displacement sensor 9 is mounted on brake pedal 10；Described
Front axle baroceptor 7 is arranged on the pneumatic tube between the outlet side of front axle overflow valve 8 and the inlet end of front axle electric control exhaust valve 6
On the road；The rear axle baroceptor 19 is arranged on the outlet side of rear axle overflow valve 18 and the air inlet of rear axle electric control exhaust valve 20
On pneumatic circuit between end；Pedal displacement sensor 9, front axle baroceptor 7 and the rear axle baroceptor 19 with
Entire car controller 22 connects；The front axle baroceptor 7 and rear axle baroceptor 19 are by signal wire by antero posterior axis system
The gas pressure signal in dynamic circuit sends entire car controller 22 to；The pedal displacement sensor 9 will be braked by signal wire
The displacement signal of pedal 10 sends entire car controller 22 to.The entire car controller 22 and preceding spindle motor 3, rear spindle motor 15,
Front axle electric control exhaust valve 6 and rear axle electric control exhaust valve 20 connect.
The near front wheel brake chamber 1, off-front wheel brake chamber 5, off hind wheel brake chamber 14, left rear wheel brake chamber
17 clamp diaphragm brake chamber using clip.
Using permanent magnet synchronous motor, respectively axle applies motor braking for the preceding spindle motor 3, rear spindle motor 15
Power.
The pedal displacement sensor 9 uses angular displacement sensor, the displacement signal of brake pedal 10 is sent to whole
Vehicle controller 22.
The front axle electric control exhaust valve 6 uses two-bit triplet solenoid valve, when entire car controller 22 does not send out signal to it
When, front wheel brake gas chamber 1 and off-front wheel brake chamber 5 to the left will be connected by the high pressure gas of front axle overflow valve 8, when vehicle control
When device processed sends out signal to it, the high pressure gas in the near front wheel brake chamber 1 and off-front wheel brake chamber 5 is arranged to air.
The rear axle electric control exhaust valve 20 uses two-bit triplet solenoid valve, when entire car controller 22 does not send out signal to it
When, rear service brake gas chamber 14 and left rear wheel brake chamber 17 to the right will be connected by the high pressure gas of rear axle overflow valve 18, when whole
When vehicle controller sends out signal to it, the high pressure gas in off hind wheel brake chamber 14 and left rear wheel brake chamber 17 is arranged to big
Gas.
The operation principle of the utility model is：
The front axle overflow valve 8 sets Opening pressure as P when in use1, i.e. current axis barometric brake circuit gas pressure
Power is less than P1When high pressure gas cannot the near front wheel brake chamber 1 and off-front wheel brake chamber 5 be entered by front axle overflow valve 8, this
When 7 collected pressure signal of front axle baroceptor will be 0；Current axis barometric brake circuit gas pressure is higher than P1Shi Gao
Body of calming the anger enters the near front wheel brake chamber 1 and off-front wheel brake chamber 5, and then generate air pressure to front axle by front axle overflow valve 8
Brake force.
The rear axle overflow valve 18 sets Opening pressure as P when in use2, i.e., when rear axle barometric brake circuit gas pressure
Power is less than P2When high pressure gas cannot off hind wheel brake chamber 14 and left rear wheel brake chamber 17 be entered by rear axle overflow valve 18,
19 collected pressure signal of rear axle baroceptor will be 0 at this time；When rear axle barometric brake circuit gas pressure is higher than P2
When high pressure gas off hind wheel brake chamber 14 and left rear wheel brake chamber 17 are entered, and then rear axle is produced by rear axle overflow valve 18
Anger compacting power.
The front axle overflow valve 8 and the Opening pressure P of rear axle overflow valve 181And P2Corresponding is vehicle original air-pressure brake
Gas pressure in gas pressure and rear axle brake circuit of the circuit when vehicle braking deceleration is 0.15g in front axle brake circuit
Power.
It, will by front axle baroceptor 7 for front axle brake circuit when air-pressure brake energy-recuperation system works
Gas pressure signal in front axle brake circuit is sent to entire car controller 22.If entire car controller 22 judges that front axle brake returns
Gas pressure is 0 in road, then illustrates that front axle overflow valve 8 is closed at this time, front axle does not generate air-pressure brake power, at this time
The brake pedal displacement signal sent by entire car controller 22 according to pedal displacement sensor 9 determines the motor system that front axle needs
Power, and the signal of demand motor braking power is sent to preceding spindle motor 3 to realize the motor anti-dragged brake of front axle, and then realize
The braking energy recovering function of front axle；If entire car controller 22 judges that gas pressure is not less than P in front axle brake circuit1, then
Spindle motor 3 is closed before entire car controller 22 controls, and does not apply motor braking power to front axle, at this time without Brake energy recovery.
During front axle brake circuit is braked, entire car controller 22 controls front axle electric control exhaust valve 6 to make in obstructed electricity condition
The high pressure gas of front axle overflow valve 8 must be flowed through can flow to the near front wheel brake chamber 1 and off-front wheel brake chamber 5 respectively.
When releasing braking in front axle brake circuit, front axle electric control exhaust valve 6 is controlled to be in energization shape by entire car controller 22
State, at this time the high pressure gas in the near front wheel brake chamber 1 and off-front wheel brake chamber 5 via front axle electric control exhaust valve 6 exhaust
It arranges to air at end.
When air-pressure brake energy-recuperation system works, for rear axle brake circuit, by rear axle baroceptor 19
Gas pressure signal in rear axle brake circuit is sent to entire car controller 22.If entire car controller 22 judges rear axle braking
Gas pressure is 0 in circuit, then illustrates that rear axle overflow valve 18 is closed at this time, and rear axle does not generate air-pressure brake power,
The brake pedal displacement signal sent at this time by entire car controller 22 according to pedal displacement sensor 9 determines the electricity that rear axle needs
Brake force, and the signal of demand motor braking power is sent to rear spindle motor 15 to realize the motor anti-dragged brake of rear axle, into
And realize the braking energy recovering function of rear axle；If entire car controller 22 judges that gas pressure is not less than in rear axle brake circuit
P2, then spindle motor 15 is closed after entire car controller 22 controls, and does not apply motor braking power to rear axle, is returned at this time without braking energy
It receives.During rear axle brake circuit is braked, entire car controller 22 controls rear axle electric control exhaust valve 20 to be in no power
State so that off hind wheel brake chamber 14 and left rear wheel braking gas can be flowed to respectively by flowing through the high pressure gas of rear axle overflow valve 18
Room 17.
When rear axle brake circuit is released and braked, rear axle electric control exhaust valve 20 is controlled to be in energization shape by entire car controller 22
State, at this time the high pressure gas in off hind wheel brake chamber 14 and left rear wheel brake chamber 17 via rear axle electric control exhaust valve 20 row
It arranges to air at gas end.
Described determines that the motor braking power of demand refers to first by brake pedal displacement according to brake pedal displacement signal
Signal finds corresponding operator demand's brake force on pedal displacement-braking force distribution curve of former vehicle, further according to brake force
Distribution curve determines the front axle air-pressure brake power F corresponding to operator demand's brake forcefWith rear axle air-pressure brake power Fr, and need
The front axle motor braking power asked is equal to Ff, the rear axle motor braking power of demand is equal to Fr。
Claims (6)
1. a kind of air pressure type braking energy recovery system, which is characterized in that the system includes the near front wheel brake chamber (1), front axle
Differential mechanism (2), preceding spindle motor (3), front axle pneumatic circuit threeway (4), off-front wheel brake chamber (5), front axle electric control exhaust valve
(6), front axle baroceptor (7), front axle overflow valve (8), pedal displacement sensor (9), brake pedal (10), brake valve
(11), the dry gas receiver of front axle (12), the dry gas receiver of rear axle (13), off hind wheel brake chamber (14), rear spindle motor (15), rear axle are poor
Fast device (16), left rear wheel brake chamber (17), rear axle overflow valve (18), rear axle baroceptor (19), rear axle electric control exhaust valve
(20), rear axle pneumatic circuit threeway (21) and entire car controller (22)；The outlet side of the dry gas receiver of the wherein described front axle (12)
It is attached with the ante-chamber inlet end of brake valve (11) by pneumatic circuit；The ante-chamber outlet side of the brake valve (11) is with before
The inlet end of axis overflow valve (8) is attached by pneumatic circuit；The outlet side of the front axle overflow valve (8) and front axle are automatically controlled
The inlet end of air bleeding valve (6) is attached by pneumatic circuit；The exhaust end of the front axle electric control exhaust valve (6) and big gas phase
Even, outlet side and the air inlet of front axle pneumatic circuit threeway (4) are attached by pneumatic circuit；The front axle pneumatic circuit
P port of two gas outlets of threeway (4) respectively with the near front wheel brake chamber (1) and off-front wheel brake chamber (5) passes through air pressure
Pipeline is attached；The outlet side of the dry gas receiver of the rear axle (13) passes through pneumatic tube with the back cavity inlet end of brake valve (11)
Road is attached；The back cavity outlet side of the brake valve (11) and the inlet end of rear axle overflow valve (18) by pneumatic circuit into
Row connection；The outlet side of the rear axle overflow valve (18) and the inlet end of rear axle electric control exhaust valve (20) by pneumatic circuit into
Row connection；The exhaust end of the rear axle electric control exhaust valve (20) is connected with air, outlet side and rear axle pneumatic circuit threeway
(21) air inlet is attached by pneumatic circuit；Two gas outlets of the rear axle pneumatic circuit threeway (21) respectively with
The P ports of off hind wheel brake chamber (14) and left rear wheel brake chamber (17) are attached by pneumatic circuit；Described is left front
Take turns brake chamber (1), off-front wheel brake chamber (5), off hind wheel brake chamber (14), left rear wheel brake chamber (17) respectively with a left side
The brake connection of front-wheel, off-front wheel, off hind wheel, left rear wheel；The brake pedal (10) is connect with brake valve (11)；It is described
Preceding spindle motor (3) in front axle differential (2)；The rear spindle motor (15) is on rear axle differential (16)；
Before the front axle differential (2) and rear axle differential (16) is separately mounted on bridge and rear axle；The pedal displacement sensing
Device (9) is on brake pedal (10)；The front axle baroceptor (7) is arranged on the outlet side of front axle overflow valve (8)
On pneumatic circuit between the inlet end of front axle electric control exhaust valve (6)；After the rear axle baroceptor (19) is arranged on
On pneumatic circuit between the outlet side of axis overflow valve (18) and the inlet end of rear axle electric control exhaust valve (20)；The pedal position
Displacement sensor (9), front axle baroceptor (7) and rear axle baroceptor (19) are connect with entire car controller (22)；Described
Entire car controller (22) and preceding spindle motor (3), rear spindle motor (15), front axle electric control exhaust valve (6) and rear axle electric control exhaust valve
(20) it connects.
A kind of 2. air pressure type braking energy recovery system according to claim 1, which is characterized in that the near front wheel system
Take offence room (1), off-front wheel brake chamber (5), off hind wheel brake chamber (14), left rear wheel brake chamber (17) is clamped using clip
Diaphragm brake chamber.
A kind of 3. air pressure type braking energy recovery system according to claim 1, which is characterized in that the preceding spindle motor
(3), rear spindle motor (15) applies motor braking power using permanent magnet synchronous motor, respectively axle.
A kind of 4. air pressure type braking energy recovery system according to claim 1, which is characterized in that the pedal displacement
The displacement signal of brake pedal (10) is sent to entire car controller (22) by sensor (9) using angular displacement sensor.
5. a kind of air pressure type braking energy recovery system according to claim 1, which is characterized in that the front axle is automatically controlled
Air bleeding valve (6), when entire car controller (22) does not send out signal to it, will pass through front axle overflow valve using two-bit triplet solenoid valve
(8) front wheel brake gas chamber 1 and off-front wheel brake chamber 5 to the left is connected in high pressure gas, when entire car controller sends out signal to it
When, the high pressure gas in the near front wheel brake chamber (1) and off-front wheel brake chamber (5) is arranged to air.
6. a kind of air pressure type braking energy recovery system according to claim 1, which is characterized in that the rear axle is automatically controlled
Air bleeding valve (20), when entire car controller (22) does not send out signal to it, will pass through rear axle overflow using two-bit triplet solenoid valve
Rear service brake gas chamber (14) and left rear wheel brake chamber (17) to the right is connected in the high pressure gas of valve (18), when entire car controller is to it
When sending out signal, the high pressure gas in off hind wheel brake chamber (14) and left rear wheel brake chamber (17) is arranged to air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721667839.6U CN207549969U (en) | 2017-12-04 | 2017-12-04 | A kind of air pressure type braking energy recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721667839.6U CN207549969U (en) | 2017-12-04 | 2017-12-04 | A kind of air pressure type braking energy recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207549969U true CN207549969U (en) | 2018-06-29 |
Family
ID=62665787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721667839.6U Expired - Fee Related CN207549969U (en) | 2017-12-04 | 2017-12-04 | A kind of air pressure type braking energy recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207549969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103920A (en) * | 2019-05-22 | 2019-08-09 | 山东理工大学 | Two-wheeled acoustic filed brake energy recovering system of electric vehicle based on stacked unidirectional valve and linear exhaust solenoid valve |
-
2017
- 2017-12-04 CN CN201721667839.6U patent/CN207549969U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103920A (en) * | 2019-05-22 | 2019-08-09 | 山东理工大学 | Two-wheeled acoustic filed brake energy recovering system of electric vehicle based on stacked unidirectional valve and linear exhaust solenoid valve |
| CN110103920B (en) * | 2019-05-22 | 2022-03-04 | 山东理工大学 | Two-wheeled distributed driving electric vehicle braking energy recovery system based on stacked one-way valve and linear exhaust electromagnetic valve |
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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: 20180629 Termination date: 20191204 |