CN106740791A - A kind of electrical servo brake apparatus of electric automobile - Google Patents
A kind of electrical servo brake apparatus of electric automobile Download PDFInfo
- Publication number
- CN106740791A CN106740791A CN201710035140.6A CN201710035140A CN106740791A CN 106740791 A CN106740791 A CN 106740791A CN 201710035140 A CN201710035140 A CN 201710035140A CN 106740791 A CN106740791 A CN 106740791A
- Authority
- CN
- China
- Prior art keywords
- brake
- electric automobile
- pedal
- brake apparatus
- electrical servo
- 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.)
- Granted
Links
- 238000004891 communication Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/741—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
Abstract
The present invention relates to a kind of electrical servo brake apparatus of electric automobile, including control system, brakes and rotating servo motor（6）, the brakes include master cylinder（1）And brake pedal（2）；Control system includes one-way clutch（3）, pedal rotary angle transmitter（4）, pedal force torque sensor（5）And controller（7）.The electrical servo brake apparatus of electric automobile of the invention carries one-way clutch, just in case when there is fault, driver can complete automobile brake by manpower；Electric rotating machine and free wheeling sprag clutch with decelerator are installed on brake pedal pivot shaft, only with a motor, play a part of to give brake pedal power-assisted；For the active brake of intelligent automobile, to ensure safety, brake pedal default location is on-position；Intelligent driving module sends signal to braking rotating servo motor, and brake servo motor rotates given angle and keeps, it is necessary to when increasing brake force, motor continues to rotate according to given angular speed.
Description
Technical field
The present invention relates to pure electric automobile, the technical field of plug-in hybrid electric automobile brakes, it is specific and
Speech, is related to a kind of electrical servo brake apparatus of electric automobile.
Background technology
Riding vehicle brakes generally uses servo-assisted brake fluid system, servo-drive system to use vacuum servo
Device, the vacuum of inlet manifold provides the energy to vacuum booster when gasoline automobile is worked using gasoline engine.Pure electric automobile without
This vacuum source, gives this vacuum booster energy supply using vavuum pump at present.This servo brake system of electric automobile cannot be accomplished
Positive confinement is, it is necessary to vavuum pump often works to ensure the enough vacuum of Vacuum accumulator holding, it is necessary to expend more electricity
Can, influence the continual mileage of electric automobile.
Such as Chinese invention patent of the A of patent publication No. CN 105015529, discloses a kind of automobile electrically-controlled hydraulic pressure
Energy assisted braking system, the brakes includes sensing part, calculates and control unit and signal executable portion, displacement sensing
Device connects brake pedal, displacement transducer, time signal generator, wheel speed sensors, the signal of vehicle speed sensor through gangbar
Input is calculated and control unit, calculates brake pedal acceleration, the real-time slip rate of wheel, and tire pressure is with tire temperature sensor signal through letter
Number emitter, signal receiver input are calculated and control unit, calculate tire load coefficients, are calculated with control unit according to above-mentioned
Result of calculation control input current amplifier size of current, the electromagnetic attraction effect that armature is produced in magnet coil and core assembly
Under, band piston is moved down, and the fluid of power-assisted oil cylinder and master cylinder flows rapidly into wheel cylinder, realizes automobile brake；The braking
System can be acted on to provide brake boost using hydraulic braked vehicle, realize braking light and fast, reduce braking distance, improve car
Driving safety.But the brakes is the master cylinder of the brake fluid system for using the straight-line displacement promotion of electromagnet traditional
Piston is, it is necessary to the electromagnet of increase high current between master cylinder connecting link and pedal.This structure needs longer master cylinder to live
The response of plug push rod, the more space of occupancy, and this electric putter and movement velocity are slower.
Such as Authorization Notice No. is the Chinese utility model patent of the U of CN 202743233 again, it discloses a kind of electronic vapour
Car brakes.It includes CPU, brake pedal detection means, braking motor, transmission mechanism and automotive brake,
The CPU is connected with brake pedal detection means and braking motor respectively, and the transmission mechanism is electric with braking respectively
Machine is connected with automotive brake, and the brake pedal detection means is connected with automobile brake pedal.The utility model is by braking
Motor produces brake force, and control automotive brake braking electric automobile eliminates vacuum booster and hydraulic system parts, has
Beneficial to vehicle complete vehicle arrangement, complete vehicle quality is reduced.But the brakes is that braking motor is added in into wheel drag（Brake card
Pincers）Place is, it is necessary to four motors control four wheels respectively.This is accomplished by the softwares such as the ABS to braking and develops demarcation, mesh
The ripe ABS system and software that the brakes that preceding automobile is used all is used, causes this brakes to implement workload
It is very big, it is necessary to for the different single control softwares of automobile development.
The content of the invention
In order to this servo brake system for solving electric automobile in the prior art cannot accomplish positive confinement, it is necessary to vacuum
Often work, to ensure the enough vacuum of Vacuum accumulator holding, it is necessary to expend more electric energy, influences electric automobile to pump
Continual mileage and the narrower problem of the scope of application, electric vacuum pump and vacuum booster are not needed the invention provides one kind,
Suitable for pure electric automobile, the electrical servo brake apparatus of plug-in hybrid electric automobile.
A kind of electrical servo brake apparatus of electric automobile, including control system and brakes, the brakes bag
Master cylinder and brake pedal are included, rotating servo motor and one-way clutch with decelerator are installed on the pivot shaft of brake pedal
Device, plays a part of to give brake pedal power-assisted.
The electrical servo brake apparatus of electric automobile of the invention carries one-way clutch, and during without electricity, driver can rely on
Manpower completes automobile brake；Intelligent driving module sends signal to braking rotating servo motor, braking rotating servo motor according to
Given angular speed rotates given angle and keeps, it is necessary to when increasing brake force, motor continues to rotate；Need to reduce brake force
When, motor is reversely rotated.
The electrical servo brake apparatus of electric automobile of the invention in addition to brake pedal, does not change compared with prior art
The software and hardware of the other parts of former car brakes；Brake increased braking motor to be controlled, it is easy to for intelligent driving
The conversion of the intelligent brake pattern and power-assisted artificial mode of automobile；The more stable reliability of rotating servo motor performance, fast response time,
Power-assisted is big.
Preferably, the control system includes pedal rotary angle transmitter, pedal force torque sensor and controller.
In any of the above-described scheme preferably, the pedal rotary angle transmitter and pedal force torque sensor are located at braking
Between the rotating shaft of pedal and rotating servo motor.
In any of the above-described scheme preferably, the one-way clutch selects free wheeling sprag clutch.
The operation principle of the electrical servo brake apparatus of electric automobile of the invention is：In traditional braking rotary pedal
One direct current generator with decelerator is installed at pivot shaft（Braking rotating servo motor）, pedal torque sensor（Pedal turns
Angle transducer and pedal force torque sensor）, when driver steps on brake pedal, pedal torque sensor is by this torque signals
Control unit is transmitted to, control unit sends instruction control braking rotating servo motor and rotates, and drives brake pedal to carry out corner（Position
Move）, so as to realize brake boost.
It is free wheeling sprag clutch between brake pedal rotating shaft and braking rotating servo motor, a permission motor drives and turns
Axle, when driver steps on brake pedal, the one-way clutch skids, and motor and decelerator will not produce resistance to pedal travel
Power.
The electrical servo brake apparatus of electric automobile of the invention is sent out in intelligent driving module to braking rotating servo motor
Go out signal, braking rotating servo motor rotates given angle according to given angular speed and holding is, it is necessary to when increasing brake force,
Motor continues to rotate；When needing to reduce brake force, motor is reversely rotated.
In any of the above-described scheme preferably, the electrical servo brake apparatus of electric automobile of the invention also includes vehicle
The monitoring system of braking distance, its servicing unit for including tape travel sensor.
In any of the above-described scheme preferably, the servicing unit include wire harness, ECU, the bundle of outputs, output interface and
Other signals of vehicles input equipments.
In any of the above-described scheme preferably, the ECU is exported to output interface by communication protocol or directly passed through
Output interface is arrived in wire harness output.
In any of the above-described scheme preferably, the ECU, the bundle of outputs, output interface and other signals of vehicles input
Connected by wire between equipment.
In sum, the electrical servo brake apparatus of electric automobile of the invention has advantages below, easy for installation：Need not
Change master cylinder, fluid reservoir, pipeline, ABS system, the wheel drag of brake system of car；Remove brake system of car
After brake pedal and vacuum booster, the device can be directly installed on the floor at driver's cabin driver position；With unidirectional
Clutch, during without electricity, driver can complete automobile brake by manpower；Electric vacuum pump and vacuum booster are not needed, is saved
Power consumption；Active brake can be carried out under the instruction of intelligent driving module.
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiment according to the electrical servo brake apparatus of electric automobile of the invention
Figure.
Fig. 2 is the vertical view of preferred embodiment shown in Fig. 1 according to the electrical servo brake apparatus of electric automobile of the invention
Figure.
Fig. 3 is the system of preferred embodiment shown in Fig. 1 according to the electrical servo brake apparatus of electric automobile of the invention
Control principle drawing.
Label in accompanying drawing：
Master cylinder 1, brake pedal 2, one-way clutch 3, pedal rotary angle transmitter 4, pedal force torque sensor 5, rotation is watched
Take motor 6, controller 7.
Specific embodiment
With reference to Figure of description to the specific embodiment of the electrical servo brake apparatus of electric automobile of the invention
It is further described.
As shown in Figure 1 and Figure 2, according to electric automobile of the invention electrical servo brake apparatus a preferred embodiment
Structural representation.
A kind of electrical servo brake apparatus of electric automobile, including control system and brakes, the brakes bag
Include master cylinder and brake pedal, installed on the pivot shaft of brake pedal 2 rotating servo motor 6 with decelerator and it is unidirectional from
Clutch 3, plays a part of to give brake pedal power-assisted.
The electrical servo brake apparatus of electric automobile of the invention carries one-way clutch, and during without electricity, driver can rely on
Manpower completes automobile brake；Intelligent driving module sends signal to braking rotating servo motor, braking rotating servo motor according to
Given angular speed rotates given angle and keeps, it is necessary to when increasing brake force, motor continues to rotate；Need to reduce brake force
When, motor is reversely rotated.
The electrical servo brake apparatus of electric automobile of the invention in addition to brake pedal, does not change compared with prior art
The software and hardware of the other parts of former car brakes；Brake increased braking motor to be controlled, it is easy to for intelligent driving
The conversion of the intelligent brake pattern and power-assisted artificial mode of automobile；The more stable reliability of rotating servo motor performance, fast response time,
Power-assisted is big.
In the present embodiment, the control system includes pedal rotary angle transmitter 4, pedal force torque sensor 5 and control
Device 7.
In the present embodiment, the pedal rotary angle transmitter 4 and pedal force torque sensor 5 are located at turning for brake pedal 2
Between axle and rotating servo motor 6.
In the present embodiment, the one-way clutch 3 selects free wheeling sprag clutch.
As shown in figure 3, according to the electrical servo brake apparatus of electric automobile of the invention Fig. 1 shown in preferred embodiment
System control principle drawing.
The operation principle of the electrical servo brake apparatus of electric automobile of the invention is：In the fulcrum of traditional brake pedal
One direct current generator with decelerator is installed at rotating shaft（Braking rotating servo motor）, pedal torque sensor（Pedal corner is passed
Sensor 4 and pedal force torque sensor 5）, when driver steps on brake pedal, pedal torque sensor passes this torque signals
To control unit, control unit sends instruction control braking rotating servo motor and rotates, and drives brake pedal to carry out corner（Position
Move）, so as to realize brake boost；In addition, control unit can also directly be controlled brake pedal carries out corner（Displacement）.
It is free wheeling sprag clutch between brake pedal rotating shaft and braking rotating servo motor, a permission motor drives and turns
Axle, when driver steps on brake pedal, the one-way clutch skids, and motor and decelerator will not produce resistance to pedal travel
Power.
The electrical servo brake apparatus of electric automobile of the invention is sent out in intelligent driving module to braking rotating servo motor
Go out signal, braking rotating servo motor rotates given angle according to given angular speed and holding is, it is necessary to when increasing brake force,
Motor continues to rotate；When needing to reduce brake force, motor is reversely rotated.
In the present embodiment, the electrical servo brake apparatus of the electric automobile of the invention also prison including vehicle braking distance
Control system, it includes tape travel sensor servicing unit.
In the present embodiment, the servicing unit includes wire harness, ECU, the bundle of outputs, output interface and other signals of vehicles
Input equipment.
In the present embodiment, the ECU is exported to output interface by communication protocol or directly exported by wire harness and arrives defeated
Go out interface.
In the present embodiment, lead between the ECU, the bundle of outputs, output interface and other signals of vehicles input equipments
Cross wire connection.Communication protocol is exported to output interface or directly exported by wire harness by ECU and arrives output interface, can be right
The brake pressure of vehicle, push rod stroke, car speed are monitored, and warning lamp sends alert notification driver's system when a failure occurs it
Dynamic hidden danger, it is ensured that the driving safety of vehicle.
In sum, the electrical servo brake apparatus of electric automobile of the invention has advantages below, easy for installation：Need not
Change master cylinder, fluid reservoir, pipeline, ABS system, the wheel drag of brake system of car；Remove brake system of car
After brake pedal and vacuum booster, the device can be directly installed on the floor at driver's cabin driver position；With unidirectional
Clutch, just in case when there is fault, driver can complete automobile brake by manpower；Electric vacuum pump and vacuum are not needed
Booster, saves power consumption；Active brake can be carried out under the instruction of intelligent driving module.
It will be apparent to those skilled in the art that the electrical servo brake apparatus of electric automobile of the invention includes this specification
Any combination of middle each several part.As space is limited and in order that specification simplicity, these combinations are not discussed in detail one by one herein,
But after having seen this specification, the scope of the present invention that any combination of each several part being made up of this specification is constituted has not been sayed certainly
It is bright.
Claims (8)
1. the electrical servo brake apparatus of a kind of electric automobile, including control system and brakes, the brakes include
Master cylinder（1）And brake pedal（2）, it is characterised in that：Brake pedal（2）Pivot shaft on the rotation with decelerator is installed
Servomotor（6）And one-way clutch（3）.
2. the electrical servo brake apparatus of electric automobile as claimed in claim 1, it is characterised in that：The control system includes
Pedal rotary angle transmitter（4）, pedal force torque sensor（5）And controller（7）.
3. the electrical servo brake apparatus of electric automobile as claimed in claim 1, it is characterised in that：Pedal rotary angle transmitter
（4）With pedal force torque sensor（5）Positioned at brake pedal（2）Rotating shaft and rotating servo motor（6）Between.
4. the electrical servo brake apparatus of the electric automobile as described in claim 1 or 3, it is characterised in that：One-way clutch（3）
It is free wheeling sprag clutch.
5. the electrical servo brake apparatus of the electric automobile as any one of claim 1-3, it is characterised in that：Also include
The monitoring system of vehicle braking distance, its servicing unit for including tape travel sensor.
6. the electrical servo brake apparatus of electric automobile as claimed in claim 5, it is characterised in that：The servicing unit includes
Wire harness, ECU, the bundle of outputs, output interface and other signals of vehicles input equipments.
7. the electrical servo brake apparatus of electric automobile as claimed in claim 6, it is characterised in that：The ECU is by communication
Agreement output is exported to output interface to output interface or directly by wire harness.
8. the electrical servo brake apparatus of electric automobile as claimed in claim 6, it is characterised in that：The ECU, output line
Connected by wire between beam, output interface and other signals of vehicles input equipments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035140.6A CN106740791B (en) | 2017-01-18 | 2017-01-18 | electric servo brake device of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035140.6A CN106740791B (en) | 2017-01-18 | 2017-01-18 | electric servo brake device of electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740791A true CN106740791A (en) | 2017-05-31 |
| CN106740791B CN106740791B (en) | 2020-01-31 |
Family
ID=58947291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710035140.6A Expired - Fee Related CN106740791B (en) | 2017-01-18 | 2017-01-18 | electric servo brake device of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106740791B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720325A (en) * | 2019-01-21 | 2019-05-07 | 南京经纬达汽车科技有限公司 | Electric booster braking device with one-way clutch |
| WO2019180514A3 (en) * | 2018-02-12 | 2019-12-19 | Baqdadi Mohammad | Electronically actuated brake and clutch system |
| CN113593354A (en) * | 2021-07-30 | 2021-11-02 | 吉林大学 | Derailleur-free electric learner-driven vehicle clutch control analogue means |
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| JP2011225012A (en) * | 2010-04-15 | 2011-11-10 | Mitsubishi Electric Corp | Brake pedal mechanism |
| CN102269658A (en) * | 2011-04-29 | 2011-12-07 | 北京工业大学 | Electro-hydraulic combined brake experiment vehicle |
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| CN104192106A (en) * | 2014-09-23 | 2014-12-10 | 上海凯腾汽车技术有限公司 | Power-assisted brake pedal structure |
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| CN204548058U (en) * | 2015-01-16 | 2015-08-12 | 山东理工大学 | A kind of automobile-used brake power recovering device |
| CN204664223U (en) * | 2015-06-01 | 2015-09-23 | 富阳怀邦机械有限公司 | A kind of free wheeling sprag clutch |
| CN105774772A (en) * | 2016-03-09 | 2016-07-20 | 王德红 | Automobile intelligent brake automatic actuating system and implementation method |
| CN206186805U (en) * | 2016-11-25 | 2017-05-24 | 北京新能源汽车股份有限公司 | Electric automobile braking system and electric automobile |
-
2017
- 2017-01-18 CN CN201710035140.6A patent/CN106740791B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011225012A (en) * | 2010-04-15 | 2011-11-10 | Mitsubishi Electric Corp | Brake pedal mechanism |
| CN102269658A (en) * | 2011-04-29 | 2011-12-07 | 北京工业大学 | Electro-hydraulic combined brake experiment vehicle |
| CN104118329A (en) * | 2014-07-25 | 2014-10-29 | 奇瑞汽车股份有限公司 | Automobile braking energy recovery and control system and control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019180514A3 (en) * | 2018-02-12 | 2019-12-19 | Baqdadi Mohammad | Electronically actuated brake and clutch system |
| CN109720325A (en) * | 2019-01-21 | 2019-05-07 | 南京经纬达汽车科技有限公司 | Electric booster braking device with one-way clutch |
| CN113593354A (en) * | 2021-07-30 | 2021-11-02 | 吉林大学 | Derailleur-free electric learner-driven vehicle clutch control analogue means |
| CN113593354B (en) * | 2021-07-30 | 2022-09-02 | 吉林大学 | Derailleur-free electric learner-driven vehicle clutch control analogue means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106740791B (en) | 2020-01-31 |
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