CN105667485B - A kind of energy assisted braking system for automobile - Google Patents
A kind of energy assisted braking system for automobile Download PDFInfo
- Publication number
- CN105667485B CN105667485B CN201610015368.4A CN201610015368A CN105667485B CN 105667485 B CN105667485 B CN 105667485B CN 201610015368 A CN201610015368 A CN 201610015368A CN 105667485 B CN105667485 B CN 105667485B
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- piston
- master cylinder
- reinforcement room
- pedal
- reinforcement
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Classifications
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The present invention relates to a kind of energy assisted braking system for automobile, including master cylinder, hydraulic control unit and hydraulic boosting mechanism；The master cylinder connects the hydraulic control unit by brake piping；The hydraulic boosting mechanism includes reinforcement room housing, pedal push rod and master cylinder connecting link；In the inside of the reinforcement room housing, piston cylinder is set, the rear end of the pedal push rod is rotatablely connected with brake pedal, reinforcement room first piston is set in the front end of the pedal push rod, reinforcement room second piston is set in the rear end of the master cylinder connecting link, reinforcement room first piston and reinforcement room second piston are slidably arranged in the piston cylinder, reinforcement room first piston chamber is formed between reinforcement room first piston and reinforcement room second piston, reinforcement room second piston chamber is formed between the blind end of reinforcement room second piston and the piston cylinder, the master cylinder is stretched into before the master cylinder connecting link.
Description
Technical field
The present invention relates to a kind of energy assisted braking system for automobile, belong to automobile brake technical field.
Background technology
With the sustainable growth of global auto recoverable amount, energy crisis and environmental pollution getting worse.Hybrid vehicle,
The new-energy automobiles such as pure electric automobile obtain the extensive attention of countries in the world with the advantages that its is energy-efficient, low emission, turn into
Solves the effective means of environmental pollution and shortage of resources.Countries in the world invest considerable capital to develop electric automobile one after another, with this
Simultaneously new requirement is it is also proposed for hybrid vehicle, the brakes of electric automobile.In order to hybrid vehicle, electricity
The regenerative braking system of electrical automobile in itself realizes good cooperation, and the recovery of regenerative braking system is made on the basis of brake safe to the greatest extent
The more braking energy of amount, should cancel the dependence to engine vacuum first, secondly with regenerative braking system coordination control not
Brake pedal feel can be influenceed.Existing vacuum assisted hydraulic brake system, vacuum booster depend on engine vacuum, and
And when coordinating to control with regenerative braking, its hydraulic control can influence master cylinder capacity and hydraulic pressure, so as to influence brake pedal feel.For
Overcoming the above-mentioned deficiency of existing brakes, engineers research and develop some novel braking systems since the nineties in last century,
Some of which line control brake system starts to use on hybrid vehicle, electric automobile in this century.Line control brake system
As the indispensable part of new-energy automobile brakes.
A publication No. of Tsing-Hua University's application is in CN104071142A patent of invention, discloses a kind of brake-by-wire
System, it instead of the vacuum booster of traditional vacuum assisted hydraulic brake system with a motor, passes through motor, planetary gear
The collaborative work of reducing gear and high pressure accumulator, the piston in master cylinder is promoted to produce brake fluid pressure, so as to eliminate pair
The dependence of engine vacuum；Using pedal simulator, eliminate when coordinating to control with regenerative braking to the shadow of brake pedal feel
Ring.But be high pressure accumulator accumulation of energy the system increases the motor of a relatively high power, add system energy consumption；It is high
Pressure accumulator is constantly in high pressure conditions, certain potential safety hazard be present；In addition, the pedal simulator of the system is simple bullet
Spring, hydraulic analog device, pedal sense are not easy to adjust, it is impossible to the pedal sense of active is provided for driver.
A publication No. of Tongji University's application is in CN104802777A patent of invention, discloses a kind of pedal sense
The actively brake fluid system of simulation, it promotes brake master cylinder piston with a motor and ball screw framework, produces hydraulic pressure；
Two magnetic valves are respectively between brake piping, oil can pipeline and pedal sense simulating chamber, by two electromagnetism during braking
The continuous open and close controlling of valve come realize the active of pedal sense simulate.But in control brake piping and pedal sense simulating chamber
Between magnetic valve be opened and closed when, the hydraulic pressure of brake piping can be affected, and control accuracy is difficult to ensure that；In addition, in brake pipe
Between road and pedal sense simulator in the case of magnetic valve damage, the high-pressure brake liquid in master cylinder can be directly entered pedal
Feel simulating chamber so that driver can not implement to brake, and security of system has much room for improvement.
A publication No. of Tongji University's application is in CN104760586A patent of invention, discloses a kind of bi-motor line
Brakes is controlled, it promotes brake master cylinder piston with a motor and ball screw framework, produces hydraulic pressure；Another motor and
Ball screw framework is used for providing the pedal sense of active for brake pedal.Because the system uses two sets of motor-ball wires
Thick stick mechanism and two master cylinders, it is not only complicated, and add the energy consumption and manufacturing cost of system；Motor and pedal it
Between mechanical connection add the control difficulty of system, motor performance requires higher.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of energy assisted braking system for automobile, the brakes
The dependence to engine vacuum and stable performance, safety can be cancelled.
To achieve the above object, the present invention uses following technical scheme：A kind of energy assisted braking system for automobile, it is special
Sign is：Including master cylinder, hydraulic control unit and hydraulic boosting mechanism；The master cylinder connects the liquid by brake piping
Press control unit；The hydraulic boosting mechanism includes reinforcement room housing, pedal push rod and master cylinder connecting link；In the reinforcement room
The inside of housing sets piston cylinder, and rear end and the brake pedal of the pedal push rod are rotatablely connected, before the pedal push rod
End sets reinforcement room first piston, sets reinforcement room second piston in the rear end of the master cylinder connecting link, the reinforcement room the
One piston and reinforcement room second piston are slidably arranged in the piston cylinder, reinforcement room first piston and the reinforcement room
Reinforcement room first piston chamber, shape between reinforcement room second piston and the blind end of the piston cylinder are formed between second piston
Into reinforcement room second piston chamber, the master cylinder is stretched into before the master cylinder connecting link.
Also include motor power brake mechanism and central controller；The motor servomechanism includes assist motor, slowed down
Torsion increasing device, rack and sleeve, the sleeve are set on the master cylinder connecting link and left with the master cylinder connecting link
Gap, baffle plate is provided with the master cylinder connecting link in front of the sleeve；The input of the deceleration torsion increasing device
End and the output axis connection of the assist motor, the output end of the deceleration torsion increasing device is gear, the gear and the tooth
Bar is engaged, and the rack is fixedly connected with the sleeve；Return spring is set between the sleeve and the reinforcement room housing；
The central controller electrically connects with the assist motor.
Also include pedal simulator, the pedal simulator includes simulator shell, slided in the simulator shell
One emulator piston is set, and the space in the simulator shell is separated into two cavitys by the emulator piston, wherein
Pinion and rack is set in one cavity, simulator spring is set in another cavity；The pinion and rack
Rack be fixedly connected with the emulator piston, the output axis connection of the gear of the pinion and rack and a motor；Institute
Cavity where stating simulator spring is connected by brake piping with the reinforcement room second piston chamber, and the reinforcement room first is lived
Plug chamber passes through the first magnetic valve and the brake pipe between the pedal simulator and the reinforcement room second piston chamber
Road connects；The motor electrically connects with the central controller.
Also include oil can, the oil can is by second solenoid valve with being located at the pedal simulator and the reinforcement room second
Brake piping connection between plunger shaft.
Pedal displacement sensor is set on the pedal push rod, positioned at first magnetic valve and the reinforcement room the
Pressure sensor is set on the brake piping between one plunger shaft, the pedal displacement sensor, pressure sensor with it is described
Central controller electrically connects.
Also include an energy storing device, the energy storing device passes with the motor, central controller, pressure respectively
Sensor, pedal displacement sensor electrical connection.
First magnetic valve uses normally closed two-position two-way solenoid valve, and the second solenoid valve is using normally opened bi-bit bi-pass electricity
Magnet valve.
The master cylinder includes master cylinder housing, and two master cylinder pistons, two masters are arranged at intervals in the master cylinder housing
Master cylinder piston chamber is formed respectively between cylinder piston and between the blind end of the master cylinder piston and the master cylinder housing, in two institutes
State master cylinder piston intracavitary and piston reset spring is set respectively.
Reinforcement room spring is respectively arranged with the reinforcement room first piston chamber and reinforcement room second piston intracavitary.
For the present invention due to taking above technical scheme, it has advantages below：1st, the present invention because using include assist motor,
The motor power brake mechanism of deceleration torsion increasing device, rack and sleeve, wherein, sleeve can be by master cylinder connecting link
Baffle plate drive master cylinder connecting link to carry out translational motion, so as to promote piston movement in master cylinder to produce brake fluid, from
And the dependence to engine vacuum can be cancelled.2nd, pedal simulator of the present invention is coordinated using motor and pinion and rack,
The pedal sense of active can be provided for driver, improve driving.3rd, it is of the invention due to setting storage device of having the ability, and
Energy storing device electrically connects with the motor of pedal simulator, and therefore, the motor of pedal simulator can use as generator,
Caused electric energy is used for pressure sensor, pedal displacement sensor etc., more saved, even and if being lost in brakes power supply
During effect, the sensor also can effectively be powered, to provide correct braking information in time for entire car controller.4th, this hair
It is bright when power supply failure or assist motor are failed, pedal push rod, master cylinder connecting link can be utilized to push directly in master cylinder
Piston, to produce brake fluid, i.e. hydraulic boosting mechanism can be used as standby braking strategy in itself, thus brakes can
By property height.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the present invention includes master cylinder 1, hydraulic control unit 2, hydraulic boosting mechanism 3, motor power-assisted system
Motivation structure 4, pedal simulator 5, oil can 6 and central controller 7.
Master cylinder 1 includes master cylinder housing 11, and two master cylinder pistons 12, two master cylinder pistons are arranged at intervals in master cylinder housing 11
Master cylinder piston chamber 13 is formed respectively between 12 and between the blind end of master cylinder piston 12 and master cylinder housing 11, in two master cylinder pistons
Piston reset spring 14 is set respectively in chamber 13.
Hydraulic control unit 2 connects two master cylinder piston chambers 13 respectively by two brake pipings, and hydraulic control unit 2 can be selected
Anti-lock brake hydraulic control unit or Vehicle Stability Control hydraulic control unit in prior art, preferably stability of automobile control
Hydraulic control unit processed.
Hydraulic boosting mechanism 3 includes reinforcement room housing 31, pedal push rod 32 and master cylinder connecting link 33.Reinforcement room housing 31
It is fixedly connected with master cylinder housing 11, piston cylinder 34 is set in the inside of reinforcement room housing 31.The rear end of pedal push rod 32 and braking
Pedal 8 is rotatablely connected, and reinforcement room first piston 35 is set in the front end of pedal push rod 32, and reinforcement room first piston 35, which slides, to be set
In piston cylinder 34.Reinforcement room second piston 36 is set in the rear end of master cylinder connecting link 33, and reinforcement room second piston 36 is slided
It is arranged in piston cylinder 34 and positioned at the front of reinforcement room first piston 35, reinforcement room first piston 35 and reinforcement room second piston
Reinforcement room first piston chamber 37 is formed between 36, reinforcement room is formed between reinforcement room second piston 36 and the blind end of piston cylinder 34
Second piston chamber 38.The front end of master cylinder connecting link 33 is stretched into master cylinder housing 11 and close to master cylinder piston after passing piston cylinder 34
12.Reinforcement room spring 39 is respectively arranged with reinforcement room first piston chamber 37 and reinforcement room second piston chamber 38.
Motor power brake mechanism 4 includes assist motor 41, deceleration torsion increasing device 42, rack 43 and sleeve 44.Sleeve 44
It is set on master cylinder connecting link 33 and leaves gap with master cylinder connecting link 33, baffle plate is provided with master cylinder connecting link 33
331, sleeve 44 can drive master cylinder connecting link 33 to travel forward by baffle plate 331.Deceleration torsion increasing device 42 and rack 43 are equal
For two, the both sides of sleeve 44 are symmetricly set on, the output of the input of each deceleration torsion increasing device 42 with assist motor 41
Axis connection, the output end of deceleration torsion increasing device 42 is a gear 421, and gear 421 engages with rack 43, and rack 43 is solid with sleeve 44
Fixed connection.Return spring 45 is provided between sleeve 44 and reinforcement room housing 31.
Pedal simulator 5 includes motor 51, pinion and rack 52 and simulator shell 53.It is sliding in simulator shell 53
It is dynamic that an emulator piston 54 is set.Space in simulator shell 53 is separated into two cavitys by emulator piston 54, wherein
Pinion and rack 52 is set in one cavity, simulator spring 55 is set in another cavity.The output shaft of motor 51 with
Gear 521 in pinion and rack 52 is connected, and the rack 522 in pinion and rack 52 is fixed with emulator piston 54 to be connected
Connect.
Oil can 6 is connected by two brake pipings with master cylinder piston chamber 13, for providing brake fluid.Oil can 6 passes through magnetic valve
61 are connected with an interface of four-way connection 62, and other three interfaces of four-way connection 62 pass through brake piping and simulator respectively
Cavity, reinforcement room second piston chamber 38, reinforcement room first piston chamber 37 where spring 55 connect.Lived positioned at reinforcement room first
Fill in and magnetic valve 63 is set on the brake piping between chamber 37 and four-way connection 62.
Central controller 7 electrically connects with assist motor 41, motor 51, magnetic valve 61, magnetic valve 63 respectively.Positioned at reinforcement
Pressure sensor 71 is set on the brake piping between room first piston chamber 37 and magnetic valve 63；Set and step on pedal push rod 32
Plate displacement transducer 72.Pressure sensor 71, pedal displacement sensor 72 electrically connect with central controller 7.
Present invention additionally comprises an energy storing device 9, energy storing device 9 respectively with motor 51, central controller 7, pressure
Force snesor 71, pedal displacement sensor 72 electrically connect.
In above-described embodiment, magnetic valve 63 uses normally closed two-position two-way solenoid valve, and magnetic valve 61 uses normally opened bi-bit bi-pass
Magnetic valve.
The operation principle and the course of work of the present invention is as follows：
During system worked well, the effect of assist motor 41 is that instead of the driving in traditional vacuum assisted hydraulic brake system
Member and vacuum booster, drive deceleration torsion increasing device 42 to produce rotation, and deceleration torsion increasing device 42 passes through gear 421 and rack 43
Engagement, rotation is converted into generation translation, rack 43 promotes master cylinder connecting link 33 to move with moving sleeve 44, master cylinder connecting link
33 promote the master cylinder piston 12 of master cylinder 1, so as to produce brake fluid pressure.Specifically, when the systems are operating normally, braking is stepped on
Plate 8 is operated, and pedal displacement sensor 72 produces corresponding signal for the degree that brake pedal 8 is operated, and passes to central control
Device 7 processed.Central controller 7 is by gathering the displacement signal of pedal displacement sensor 72, the pressure signal of pressure sensor 71, liquid
The brake pressure signal and pavement behavior identification signal of control unit 2 are pressed, determines the big of the target output torque of assist motor 41
It is small, and control the reality output moment of torsion of assist motor 41 to follow the target output torque of assist motor 41, assist motor 41 is with subtracting
Fast torsion increasing device 42 is connected, then the engagement by gear 421 and rack 43, and the rotation of assist motor 41 is converted into the He of rack 43
The translation of sleeve 44, sleeve 44 contact with the baffle plate 331 on master cylinder connecting link 33, promote master cylinder connecting link 33 to move, from
And the master cylinder piston 12 of master cylinder 1 is promoted, the brake fluid in two master cylinder piston chambers 13 is pushed into liquid by brake piping respectively
Control unit 5, then each brake piping by being connected with hydraulic control unit 5 are pressed, is pushed into each wheel cylinder brake, so as to car
Implement braking.
During system worked well, magnetic valve 63, which is powered, to be opened, and magnetic valve 61, which is powered, closes, reinforcement room first piston chamber 37,
Pipeline connection between reinforcement room second piston chamber 38 and the hydraulic cavities of pedal simulator 5, the pipeline being connected with oil can 6 is by blocking；
Reinforcement room first piston chamber 37 connects with reinforcement room second piston chamber 38, and brake pedal 8 pushes away under the driving of driver's pedal force
Dynamic pedal push rod 32, pedal push rod 32 promotes reinforcement room the first chamber piston 35, and drives reinforcement room the second chamber piston 36 by liquid
Pedal simulator 5 is pressed into, promotes emulator piston 54 and the translation of rack 522, rack 522 to engage motor 51 with gear 521
Rotate and produce electric energy, for power storage in energy storing device 9, energy storing device 9 is that pressure sensor 71 and pedal displacement pass
Sensor 72 is directly powered；Liquid is stepped on sense, this anti-work by reaction force for providing braking to driver in pedal simulator 5
Firmly the active control of motor 51 is realized by the characteristic curve and central controller 7 of simulator spring 55, can be driver
There is provided active, preferably sense is stepped in braking；When braking is completed, at the end of signal controls, the power-off of magnetic valve 63 is closed, and magnetic valve 61 is disconnected
Electricity is by the way that in the presence of reinforcement room spring 39, liquid backflow, hydraulic boosting mechanism 3 and 5 each part of pedal simulator recover former
Position.
The active boost of the present invention can be realized by assist motor 41, for realizing that active collision avoidance, adaptive cruise etc. are controlled
Function processed., can also be by liquid when hydraulic control unit 2 uses the Vehicle Stability Control hydraulic control unit in prior art
Pressure control unit 2 realizes active boost, so as to implement Vehicle Stability Control.
When the hydraulic control unit 2 uses the Vehicle Stability Control hydraulic control unit in prior art, if this
Invent the motor failure of the system, and hydraulic control unit 2 can be with normal work, then now conventional brake, anti-lock brake, steady
The realization of the functions such as qualitative contrlol, implemented by hydraulic control unit 2 according to prior art.
When system power supply of the present invention failure or assist motor 41 fail, the power-off of magnetic valve 63 is closed, by reinforcement
Fluid pressure line between room first piston chamber 37 and reinforcement room second piston chamber 38, pedal simulator 5 disconnects, and magnetic valve 61 powers off
It is open, reinforcement room second piston chamber 38 is connected with the fluid pressure line between oil can 6；Driver tramples brake pedal 8, and braking is stepped on
Plate 8 promotes pedal push rod 32 to move, and pedal push rod 32 promotes master by reinforcement room the first chamber piston 35, reinforcement room second piston 36
Cylinder piston push rod 33, master cylinder connecting link 33 promote master cylinder piston 12, the brake fluid in two master cylinder piston chambers 13 are passed through respectively
Brake piping is pushed into hydraulic control unit 2, then each brake piping by being connected with hydraulic control unit 2, is pushed into each wheel cylinder
Brake, so as to implement back-up hydraulic braking.Area be present between reinforcement room the first chamber piston 35 and reinforcement room second piston 36
Difference, the brake force of driver is amplified with hydraulic principle；Liquid flow oil return kettle 6 in reinforcement room second piston chamber 38.
In the case of brakes power-off failure, energy storing device 9 still can be to pressure sensor 71 and pedal position
Displacement sensor 72 provides electric energy, gives correlation signal transmission to other control systems.
The present invention is only illustrated with above-described embodiment, and structure, set location and its connection of each part are all to have
Changed, on the basis of technical solution of the present invention, all improvement carried out according to the principle of the invention to individual part and equivalent
Conversion, should not be excluded outside protection scope of the present invention.
Claims (7)
- A kind of 1. energy assisted braking system for automobile, it is characterised in that：Increase including master cylinder, hydraulic control unit and hydraulic pressure Force mechanisms；The master cylinder connects the hydraulic control unit by brake piping；The hydraulic boosting mechanism includes reinforcement Room housing, pedal push rod and master cylinder connecting link；In the inside of the reinforcement room housing, piston cylinder is set, the pedal push rod Rear end is rotatablely connected with brake pedal, reinforcement room first piston is set in the front end of the pedal push rod, in the master cylinder piston The rear end of push rod sets reinforcement room second piston, and reinforcement room first piston and reinforcement room second piston are slidably arranged in institute State in piston cylinder, reinforcement room first piston chamber, institute are formed between reinforcement room first piston and reinforcement room second piston State and reinforcement room second piston chamber, the master cylinder connecting link are formed between the blind end of reinforcement room second piston and the piston cylinder Before stretch into the master cylinder；Also include motor power brake mechanism and central controller；The motor power brake mechanism includes assist motor, slowed down Torsion increasing device, rack and sleeve, the sleeve are set on the master cylinder connecting link and left with the master cylinder connecting link Gap, baffle plate is provided with the master cylinder connecting link in front of the sleeve；The input of the deceleration torsion increasing device End and the output axis connection of the assist motor, the output end of the deceleration torsion increasing device is gear, the gear and the tooth Bar is engaged, and the rack is fixedly connected with the sleeve；Return spring is set between the sleeve and the reinforcement room housing； The central controller electrically connects with the assist motor；Also include pedal simulator, the pedal simulator includes simulator shell, slides and sets in the simulator shell Space in the simulator shell is separated into two cavitys by one emulator piston, the emulator piston, wherein a chamber Pinion and rack is set in body, simulator spring is set in another cavity；The rack of the pinion and rack with it is described Emulator piston is fixedly connected, the output axis connection of the gear of the pinion and rack and a motor；The simulator spring The cavity at place is connected by brake piping with the reinforcement room second piston chamber, and the reinforcement room first piston chamber passes through first Magnetic valve and the brake piping between the pedal simulator and the reinforcement room second piston chamber connect；The electricity Machine electrically connects with the central controller.
- A kind of 2. energy assisted braking system for automobile as claimed in claim 1, it is characterised in that：Also include oil can, it is described Oil can passes through second solenoid valve and the brake pipe between the pedal simulator and the reinforcement room second piston chamber Road connects.
- A kind of 3. energy assisted braking system for automobile as claimed in claim 1, it is characterised in that：On the pedal push rod Pedal displacement sensor is set, on the brake piping between first magnetic valve and the reinforcement room first piston chamber Pressure sensor is set, and the pedal displacement sensor, pressure sensor electrically connect with the central controller.
- A kind of 4. energy assisted braking system for automobile as claimed in claim 3, it is characterised in that：Also include an energy stores Device, the energy storing device are electrically connected with the motor, central controller, pressure sensor, pedal displacement sensor respectively Connect.
- A kind of 5. energy assisted braking system for automobile as claimed in claim 2, it is characterised in that：First magnetic valve is adopted With normally closed two-position two-way solenoid valve, the second solenoid valve uses normally opened two-position two-way solenoid valve.
- A kind of 6. energy assisted braking system for automobile as claimed in claim 1, it is characterised in that：The master cylinder includes Master cylinder housing, is arranged at intervals two master cylinder pistons in the master cylinder housing, and between two master cylinder pistons and the master cylinder is lived Master cylinder piston chamber is formed respectively between plug and the blind end of the master cylinder housing, and in the two master cylinder piston intracavitary, work is set respectively Fill in back-moving spring.
- A kind of 7. energy assisted braking system for automobile as claimed in claim 1, it is characterised in that：In the reinforcement room first Plunger shaft and reinforcement room second piston intracavitary are respectively arranged with reinforcement room spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015368.4A CN105667485B (en) | 2016-01-11 | 2016-01-11 | A kind of energy assisted braking system for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015368.4A CN105667485B (en) | 2016-01-11 | 2016-01-11 | A kind of energy assisted braking system for automobile |
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| CN105667485A CN105667485A (en) | 2016-06-15 |
| CN105667485B true CN105667485B (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610015368.4A Active CN105667485B (en) | 2016-01-11 | 2016-01-11 | A kind of energy assisted braking system for automobile |
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| CN (1) | CN105667485B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106274869A (en) * | 2016-11-14 | 2017-01-04 | 吉林大学 | The master cylinder of integrated pedal sense simulator |
| CN106427966B (en) * | 2016-11-23 | 2022-11-04 | 浙江力邦合信智能制动***股份有限公司 | Electronic control brake booster for vehicle brake system |
| CN106938646B (en) * | 2017-03-22 | 2019-05-28 | 中山大学 | A kind of electric booster braking system for automobile |
| CN107364432B (en) * | 2017-06-28 | 2019-08-23 | 浙江零跑科技有限公司 | Bevel gear driving adjustable type new-energy automobile brake system |
| CN107364433B (en) * | 2017-06-28 | 2019-08-23 | 浙江零跑科技有限公司 | Synchronous belt drives adjustable type new-energy automobile brake system |
| CN107719343A (en) * | 2017-09-29 | 2018-02-23 | 杭州跟策科技有限公司 | The adjustable pedal system of power-assisted |
| CN108501924B (en) * | 2018-03-27 | 2019-05-28 | 北京市进联国玉制动泵有限责任公司 | Force aid system, electric vehicle and the power-assisted implementation method of electric vehicle |
| CN112224190B (en) | 2019-06-30 | 2023-01-13 | 华为技术有限公司 | Brake boosting system, brake method and electric automobile |
| CN112298138B (en) * | 2019-07-31 | 2021-09-03 | 比亚迪股份有限公司 | Brake pedal simulator, braking system and vehicle |
| CN112689581A (en) * | 2020-06-11 | 2021-04-20 | 华为技术有限公司 | Pedal feel simulation system, hydraulic pressure adjustment unit and control method |
| DE102020211652A1 (en) | 2020-07-24 | 2022-01-27 | Continental Teves Ag & Co. Ohg | Adjustable simulator unit and braking device with simulator unit. |
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| CN205311587U (en) * | 2016-01-11 | 2016-06-15 | 清华大学 | A helping hand braking system for car |
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| DE102005018649B4 (en) * | 2005-04-21 | 2018-10-31 | Ipgate Ag | Brake system with electric motor-driven piston-cylinder system |
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| CN102470850A (en) * | 2009-09-07 | 2012-05-23 | 罗伯特博世有限公司 | Brake system comprising an electric brake booster |
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