CN106828475A - A kind of brake booster device and its brake method - Google Patents
A kind of brake booster device and its brake method Download PDFInfo
- Publication number
- CN106828475A CN106828475A CN201710136866.9A CN201710136866A CN106828475A CN 106828475 A CN106828475 A CN 106828475A CN 201710136866 A CN201710136866 A CN 201710136866A CN 106828475 A CN106828475 A CN 106828475A
- Authority
- CN
- China
- Prior art keywords
- brake
- control unit
- electronic control
- stepper motor
- displacement
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000001133 acceleration Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 208000019300 CLIPPERS Diseases 0.000 claims 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- B60T13/745—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 a hydraulic system, e.g. a master cylinder
-
- 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
- B60T13/746—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 and mechanical transmission of the braking action
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses a kind of brake booster device and its brake method, the power assisting device includes electronic control unit, stepper motor, the first detecting system and the second detecting system, the stepper motor is electrically connected with the electronic control unit, the mechanical shaft of the output end of the stepper motor is connected with brake execution system, for providing power-assisted；First detecting system is connected with brake pedal component, and is electrically connected with electronic control unit, for the information transmission electron control unit that will be gathered from brake pedal component；Second detecting system is connected with the output end of stepper motor, and is electrically connected with electronic control unit, and the electronic control unit is given for the information transmission that will be gathered from the output end of the stepper motor.The displacement that stepper motor needs as brake power-assisted source, mechanical shaft movement, forms braking by grades, increases service life, and braking strength is held time length, and device occupies little space, and safe and reliable, energy saving.
Description
Technical field
The present invention relates to technical field of vehicle safety, more particularly to a kind of brake booster device and its brake method.
Background technology
Brake is the basic function of automobile.Braking quality is bad directly to bring potential safety hazard.Generally, it is complete
Certain strength is needed into brake, extra external force auxiliary manpower is generally required and is completed brake, especially oversize vehicle, itself weight
Amount is larger, and same speed brake needs larger strength.On fuel-engined vehicle, usually using the vacuum of motor intake manifold
Pressure differential and atmospheric pressure between provides brake power-assisted.On electric automobile, common scheme is to use power drives vavuum pump
Certain vacuum degree is obtained, such that it is able to provide brake power-assisted using the pressure differential between vacuum and atmospheric pressure.
Produce vacuum as the power-assisted of brake by vavuum pump, vacuum is produced using driven by power vavuum pump, make during brake
The pressure differential produced with vavuum pump vacuum provides brake power-assisted.This brake method needs the vacuum in holding vacuum pump, brake
, it is necessary to drive vacuum to recover when vacuum declines afterwards or over time.Need occupancy extra using vavuum pump
Space, increases car weight and maintains certain vacuum to need the certain energy of consumption.And because extraneous atmospheric pressure has
Change, such as air drops under altitude environment can cause the pressure differential change of brake and influence brake power-assisted size, there is peace
Full hidden danger.
The content of the invention
It is an object of the invention to provide a kind of brake booster device and its brake method, to solve to exist in the prior art
Braking strength hold time short, the big technical problem of the big, potential safety hazard that takes up room.
As above conceive, the technical solution adopted in the present invention is：
A kind of brake booster device, including：
Electronic control unit；
Stepper motor, it is electrically connected with the electronic control unit, obtain brake control signal, the stepper motor it is defeated
The mechanical shaft for going out end is connected with brake execution system, for providing brake power-assisted；
First detecting system, it is connected with brake pedal component, and is electrically connected with the electronic control unit, for will be from
The information transmission gathered at the brake pedal component gives the electronic control unit；
Second detecting system, it is connected with the output end of the stepper motor, and is electrically connected with the electronic control unit,
The electronic control unit is given for the information transmission that will be gathered from the output end of the stepper motor.
Wherein, first detecting system includes displacement transducer, velocity sensor and/or accelerometer, for detecting
The displacement of the brake pedal component, speed and/or acceleration.
Wherein, second detecting system is displacement transducer and/or velocity sensor, for detecting the mechanical shaft
Displacement and/or speed.
Wherein, institute's displacement sensors are hall position sensor.
Wherein, the brake pedal component include brake pedal and the connecting rod that is linked in sequence successively with the brake pedal and
Pull bar, one end of the connecting rod is slidably connected with the brake pedal, and the other end is hinged with a fixed plate, the pull bar
One end be slidably connected with the shaft of the connecting rod, the other end is connected with first detecting system, and the brake pedal passes through
The connecting rod drives the pull bar alternating translational.
Wherein, during the brake execution system includes master cylinder, brake callipers and brake disc, the mechanical shaft and the master cylinder
Piston be connected, the master cylinder is connected by oil circuit with the brake callipers, brake block on brake callipers alternative
Ground is contacted with the brake disc.
A kind of brake method, when skidding is needed, brake pedal is stepped on pin, and the first detecting system detects brake
The brake information of pedal assembly, and it is conveyed to electronic control unit；
Electronic control unit generates brake control signal according to the brake information, and brake control signal is sent into step
Stepper motor, the displacement that controlling the mechanical shaft movement of the output end of stepper motor needs is braked with servobrake execution system,
Meanwhile, the second detecting system detects the action message of mechanical shaft and feeds back to electronic control unit, electronic control unit according to
The action message of feedback judges whether brake completes.
Wherein, the brake information is displacement, speed and/or acceleration.
Wherein, the action message is displacement and/or speed.
Wherein, for detecting the sensor of the displacement in the brake information or the action message for hall position is sensed
Device.
Brake booster device proposed by the present invention and its brake method, eliminate vavuum pump, using stepper motor as stopping
Car power-assisted source, the brake information of brake pedal component can be gathered by the first detecting system, and is conveyed to electronic control unit；Electricity
Brake control signal is sent to stepper motor, control step by sub-control unit according to brake information generation brake control signal
The displacement that the mechanical shaft movement of stepper motor needs is braked with servobrake execution system, meanwhile, the detection of the second detecting system
The action message of mechanical shaft simultaneously feeds back to electronic control unit, and electronic control unit judges that brake is according to the action message of feedback
No completion.The mechanical shaft of stepper motor is not to be required for moving at maximum displacement every time, forms braking by grades, is realized at the uniform velocity
The function such as brake, bring to a halt, increasing device service life, braking strength is able to maintain that the time is long, and device occupies little space, will not
Increase car weight, energy saving is safe and reliable.
Brief description of the drawings
Fig. 1 is the structural representation of the brake booster device that the present invention is provided；
Fig. 2 is the in running order structural representation of the brake booster device for providing of the invention.
In figure：
1st, electronic control unit；2nd, brake pedal；3rd, stepper motor；4th, mechanical shaft；5th, the first detecting system；6th, the second inspection
Examining system；7th, connecting rod；8th, pull bar；9th, fixed plate；10th, master cylinder；11st, oil circuit；12nd, brake callipers；13rd, brake disc；14th, brake
Piece；15th, first piston；16th, second piston；17th, spring.
Specific embodiment
Below in conjunction with the accompanying drawings technical scheme is further illustrated with implementation method.It is understood that this place
The specific embodiment of description is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to
It is easy to description, part related to the present invention is illustrate only in accompanying drawing and not all.
Referring to Fig. 1 and Fig. 2, a kind of brake booster device, including electronic control unit 1, stepper motor 3, first detection system
System 5 and second detecting system 6, stepper motor 3 are connected with electronic control unit 1, the mechanical shaft 4 of the output end of stepper motor 3 and
Brake execution system connection, for providing power-assisted；First detecting system 5 is connected with brake pedal component, and with Electronic Control list
Unit 1 electrically connects, for the information transmission electron control unit 1 that will be gathered from brake pedal component；Second detecting system 6 with
The output end connection of stepper motor 3, and electrically connect with electronic control unit 1, for will be gathered from the output end of stepper motor 3
Information transmission electron control unit 1.The displacement that stepper motor 3 needs as brake power-assisted source, the movement of mechanical shaft 4, be not
Move at maximum displacement every time, form braking by grades, increase service life, braking strength is held time length, is taken up room
It is small, energy-saving safe.
Brake pedal component includes brake pedal 2 and the connecting rod 7 and pull bar 8 that are linked in sequence successively with brake pedal 2, even
One end of bar 7 is slidably connected with brake pedal 2, and the other end is hinged with a fixed plate 9, one end of pull bar 8 and the bar of connecting rod 7
Body is slidably connected, and the other end is connected with the first detecting system 5, and brake pedal 2 drives the alternating translational of pull bar 8 by connecting rod 7.
First detecting system 5 includes displacement transducer, velocity sensor and/or accelerometer, for detecting brake pedal
The displacement of component, speed and/or acceleration.Second detecting system 6 is displacement transducer and/or velocity sensor, for detecting
The displacement of mechanical shaft 4 and/or speed.Displacement transducer in first detecting system 5 and the second detecting system 6 is hall position
Sensor.In the present embodiment, hall position sensor includes magnet and Hall sensor.One group of magnet is connected with pull bar 8,
Hall sensor is distributed on the moving direction of pull bar 8 for multiple, and uniform intervals.Another group of magnet is connected with mechanical shaft 4,
Hall sensor uniform intervals are distributed on the moving direction of mechanical shaft 4, are easy to more accurate collection displacement information.
Brake execution system includes master cylinder 10, brake callipers 12 and brake disc 13, and mechanical shaft 4 is lived with first in master cylinder 10
Plug 15 be connected, master cylinder 10 is connected by oil circuit 11 with brake callipers 12, the brake block 14 on brake callipers 12 optionally with
Brake disc 13 is contacted.
The shell of brake callipers 12 has two relative sides, and two sides are oppositely disposed in the both sides of brake disc 13, extremely
At least one brake block 14 is installed on a few side.Communicated with oil circuit 11 accommodating is provided with the side of master cylinder 10
Chamber, is provided with second piston 16 in accommodating cavity, second piston 16 is connected with brake block 14.
Spring 17 is connected with the bottom surface of brake pedal 2, after brake pedal 2 is released, can be automatically reset.
In order to increase the frictional force of people's pin and brake pedal 2, anti-sliding stop influence brake sets on the surface of brake pedal 2
Anti-skid bulge is equipped with, makes skidding more reliable.
When skidding is needed, brake pedal 2 is stepped on pin, the first detecting system 5 detects brake pedal component
Brake information, and it is conveyed to electronic control unit 1；Electronic control unit 1 generates brake control signal according to brake information, and will
Brake control signal is sent to stepper motor, controls the displacement that the movement of mechanical shaft 4 of the output end of stepper motor needs with power-assisted
Brake execution system is braked.Brake information is displacement, speed and/or acceleration.Electronic control unit 1 is according to brake information
Brake degree is can determine that, and inquires about the brake power-assisted level of needs.The mechanical shaft 4 of stepper motor 3 drives first piston 15 to move,
Promote second piston 16 to move by oil circuit 11, and then drive brake block 14 to be contacted with brake disc 13, complete brake.
Meanwhile, the action message of the detection mechanical shaft 4 of the second detecting system 6 simultaneously feeds back to electronic control unit 1, Electronic Control
Unit 1 judges whether brake completes according to the action message of feedback.Action message is displacement and/or speed.
After the completion of braking, pin leaves brake pedal 2, and brake pedal 2 automatically resets in the presence of spring 17, while electronics
The displacement information of the brake pedal component that control unit 1 is gathered according to the first detecting system 5 controls the mechanical shaft 4 of stepper motor 3
Reset.
The mechanical shaft 4 of stepper motor 3 is not to be required for moving at maximum displacement every time, forms braking by grades, is realized
The function such as at the uniform velocity brake, bring to a halt, increasing device service life, braking strength is able to maintain that the time is long, occupies little space, will not
Increase car weight, energy saving is safe and reliable.
Alarm, including buzzer and alarm lamp are also associated with this device, are electrically connected with electronic control unit 1
Connect.When brake pedal 2 is stepped on, the first detecting system 5 collects the brake information of brake pedal component and is conveyed to Electronic Control
Unit 1, and the second detecting system 6 does not collect the action message of stepper motor 3, or, what the second detecting system 6 was collected
The control signal that the action message of stepper motor 3 is exported with electronic control unit 1 is not inconsistent, then electronic control unit 1 is according to feedback
There is failure in information judgment means, buzzer rings, and alarm lamp is bright.
Embodiment of above is to elaborate general principle of the invention and characteristic, and the present invention is not limited by above-mentioned implementation method
System, without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and modifications are all
Fall into scope of the claimed invention.The claimed scope of the invention is by appending claims and its equivalent circle.
It is fixed.
Claims (10)
1. a kind of brake booster device, it is characterised in that including：
Electronic control unit；
Stepper motor, it is electrically connected with the electronic control unit, obtains brake control signal, the output end of the stepper motor
Mechanical shaft with brake execution system be connected, for provide brake power-assisted；
First detecting system, it is connected with brake pedal component, and is electrically connected with the electronic control unit, for will be from described
The information transmission gathered at brake pedal component gives the electronic control unit；
Second detecting system, it is connected with the output end of the stepper motor, and is electrically connected with the electronic control unit, is used for
The information transmission that will be gathered from the output end of the stepper motor gives the electronic control unit.
2. brake booster device according to claim 1, it is characterised in that first detecting system includes displacement sensing
Device, velocity sensor and/or accelerometer, displacement, speed and/or acceleration for detecting the brake pedal component.
3. brake booster device according to claim 1, it is characterised in that second detecting system is displacement transducer
And/or velocity sensor, displacement and/or speed for detecting the mechanical shaft.
4. the brake booster device according to Claims 2 or 3, it is characterised in that institute's displacement sensors are hall position
Sensor.
5. brake booster device according to claim 1, it is characterised in that the brake pedal component includes brake pedal
And the connecting rod and pull bar being linked in sequence successively with the brake pedal, one end of the connecting rod is slided with the brake pedal and is connected
Connect, the other end is hinged with a fixed plate, and one end of the pull bar is slidably connected with the shaft of the connecting rod, the other end and institute
The connection of the first detecting system is stated, the brake pedal drives the pull bar alternating translational by the connecting rod.
6. brake booster device according to claim 1, it is characterised in that the brake execution system includes master cylinder, stops
Car clamp and brake disc, the mechanical shaft are connected with the piston in the master cylinder, and the master cylinder is by oil circuit and the brake card
Clipper joint, the brake block on the brake callipers is optionally contacted with the brake disc.
7. a kind of brake method, it is characterised in that when skidding is needed, brake pedal, the first detecting system are stepped on pin
The brake information of brake pedal component is detected, and is conveyed to electronic control unit；
Electronic control unit generates brake control signal according to the brake information, and brake control signal is sent into stepping electricity
Machine, the displacement that controlling the mechanical shaft movement of the output end of stepper motor needs is braked with servobrake execution system, meanwhile,
The action message of the second detecting system detection mechanical shaft simultaneously feeds back to electronic control unit, institute of the electronic control unit according to feedback
State action message and judge whether brake completes.
8. brake method according to claim 7, it is characterised in that the brake information is displacement, speed and/or acceleration
Degree.
9. brake method according to claim 7, it is characterised in that the action message is displacement and/or speed.
10. brake method according to claim 8 or claim 9, it is characterised in that for detecting the brake information or described dynamic
The sensor for making the displacement in information is hall position sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136866.9A CN106828475A (en) | 2017-03-09 | 2017-03-09 | A kind of brake booster device and its brake method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136866.9A CN106828475A (en) | 2017-03-09 | 2017-03-09 | A kind of brake booster device and its brake method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106828475A true CN106828475A (en) | 2017-06-13 |
Family
ID=59144511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710136866.9A Pending CN106828475A (en) | 2017-03-09 | 2017-03-09 | A kind of brake booster device and its brake method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106828475A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839674A (en) * | 2017-09-28 | 2018-03-27 | 浙江零跑科技有限公司 | New energy car brake apparatus and braking method |
| CN110217333A (en) * | 2018-03-01 | 2019-09-10 | 博世（上海）智能科技有限公司 | Handle brake System Performance Analysis system, method and reminding method |
| CN110936931A (en) * | 2018-09-21 | 2020-03-31 | 宏碁股份有限公司 | Hybrid power brake control system and control method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706701A (en) * | 2004-06-10 | 2005-12-14 | 比亚迪股份有限公司 | Electromobile braking system |
| CN201472358U (en) * | 2009-07-30 | 2010-05-19 | 比亚迪股份有限公司 | Boosting brake system |
| CN202743220U (en) * | 2012-07-13 | 2013-02-20 | 浙江金刚汽车有限公司 | Electronic braking device |
| CN103029695A (en) * | 2012-05-04 | 2013-04-10 | 上海华普汽车有限公司 | Electric power-assisted brake device of automobile and control method |
| US20130086898A1 (en) * | 2011-10-07 | 2013-04-11 | Mando Corporation | Brake device of electro-hydraulic brake system for vehicles |
| CN204978634U (en) * | 2015-09-01 | 2016-01-20 | 东方久乐汽车电子（上海）有限公司 | Novel brake helping hand system |
| CN105523028A (en) * | 2015-12-17 | 2016-04-27 | 扬州泰博汽车电子智能科技有限公司 | Electronic-hydraulic compound brake system with electric brake assist function |
| CN206537273U (en) * | 2017-03-09 | 2017-10-03 | 华景科技无锡有限公司 | A kind of brake booster device |
-
2017
- 2017-03-09 CN CN201710136866.9A patent/CN106828475A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706701A (en) * | 2004-06-10 | 2005-12-14 | 比亚迪股份有限公司 | Electromobile braking system |
| CN201472358U (en) * | 2009-07-30 | 2010-05-19 | 比亚迪股份有限公司 | Boosting brake system |
| US20130086898A1 (en) * | 2011-10-07 | 2013-04-11 | Mando Corporation | Brake device of electro-hydraulic brake system for vehicles |
| CN103029695A (en) * | 2012-05-04 | 2013-04-10 | 上海华普汽车有限公司 | Electric power-assisted brake device of automobile and control method |
| CN202743220U (en) * | 2012-07-13 | 2013-02-20 | 浙江金刚汽车有限公司 | Electronic braking device |
| CN204978634U (en) * | 2015-09-01 | 2016-01-20 | 东方久乐汽车电子（上海）有限公司 | Novel brake helping hand system |
| CN105523028A (en) * | 2015-12-17 | 2016-04-27 | 扬州泰博汽车电子智能科技有限公司 | Electronic-hydraulic compound brake system with electric brake assist function |
| CN206537273U (en) * | 2017-03-09 | 2017-10-03 | 华景科技无锡有限公司 | A kind of brake booster device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839674A (en) * | 2017-09-28 | 2018-03-27 | 浙江零跑科技有限公司 | New energy car brake apparatus and braking method |
| CN107839674B (en) * | 2017-09-28 | 2019-11-05 | 浙江零跑科技有限公司 | New energy vehicle brake apparatus and braking method |
| CN110217333A (en) * | 2018-03-01 | 2019-09-10 | 博世（上海）智能科技有限公司 | Handle brake System Performance Analysis system, method and reminding method |
| CN110936931A (en) * | 2018-09-21 | 2020-03-31 | 宏碁股份有限公司 | Hybrid power brake control system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101767581B (en) | Vacuum assisted brake system, control method thereof, and vehicle comprising vacuum assisted brake system | |
| CN103419765B (en) | Vehicle and the automatic parking system for vehicle | |
| CN106828475A (en) | A kind of brake booster device and its brake method | |
| CN205045636U (en) | Elevator brake performance testing arrangement | |
| US9254830B2 (en) | Determining a braking force for a rail vehicle | |
| CN104968544B (en) | Method for the vacuum supply for a pneumatic brake booster and pump assembly | |
| CN103781681A (en) | Brake force detection for dynamic brakes of a rail vehicle | |
| CN107225978A (en) | Electric vehicle braking method and device and electric vehicle | |
| CN217945163U (en) | Electromechanical braking system and vehicle | |
| CN102371984A (en) | Vacuum boosting device of electric vehicle | |
| CN103950442B (en) | The mechanical electronic brake fluid system of adjustable lever fulcrum | |
| CN105799683B (en) | A kind of mechano-electronic brake fluid system for vehicle | |
| CN206537273U (en) | A kind of brake booster device | |
| CN204323317U (en) | A kind of electromagnetic brake system | |
| CN207089289U (en) | A kind of integrated type electrical brake fluid system | |
| CN206544531U (en) | A kind of brake booster | |
| CN101001774B (en) | Brake-performance monitoring method | |
| CN207433517U (en) | A kind of commercial vehicle brake function monitoring system | |
| CN108545073A (en) | A kind of emergency braking system and braking method of rubber-tyred roller | |
| CN211617674U (en) | Data acquisition device of vehicle braking system | |
| CN106864443A (en) | A kind of brake booster and its braking method | |
| CN104442785A (en) | Electromagnetic brake system | |
| CN107804309A (en) | A kind of commercial vehicle brake function monitoring system | |
| CN207510402U (en) | A kind of device for detecting brake pedal position | |
| CN209191921U (en) | A kind of steerable system for electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |