CN106427967A - Brake by-wire system used for full mechanical decoupling automobile - Google Patents
Brake by-wire system used for full mechanical decoupling automobile Download PDFInfo
- Publication number
- CN106427967A CN106427967A CN201611055472.2A CN201611055472A CN106427967A CN 106427967 A CN106427967 A CN 106427967A CN 201611055472 A CN201611055472 A CN 201611055472A CN 106427967 A CN106427967 A CN 106427967A
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- Prior art keywords
- master cylinder
- decoupling
- push rod
- relay
- brake
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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
- B60T13/746—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
- 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
- B60T13/10—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 fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
-
- 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)
- Braking Systems And Boosters (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention relates to a brake by-wire system used for a full mechanical decoupling automobile. The brake by-wire system used for the full mechanical decoupling automobile comprises a brake master cylinder, a hydraulic control unit, a motor assisting mechanism, an electromagnetic rotary relay and a mechanical decoupling mechanism. The brake master cylinder is connected with the hydraulic control unit through a brake pipeline; the motor assisting mechanism comprises an assisting motor, a speed reducing and torque rising device, a gear and a rack assisting canister; the electromagnetic rotary relay comprises a relay shell, an electromagnetic rotary part and a reset spring; the mechanical decoupling mechanism comprises a pushrod canister, a brake pushrod, a decoupling pushrod, a thrust bearing, a pedal simulator spring and a spring stop; when the electromagnetic rotary relay is power on and enables the electromagnetic rotary part to drive the decoupling pushrod to form a rotation angle, the front end of the decoupling pushrod can free penetrate through the relay shell while the spring stop cannot penetrate through the front end of the pushrod canister; when the electromagnetic rotary relay is power off and enables the electromagnetic rotary part to drive the decoupling pushrod to return back, the front end of the decoupling pushrod cannot penetrate through the relay shell while the spring stop can freely penetrate through the front end of the pushrod canister.
Description
Technical field
The present invention relates to one kind mechanically decoupled line for cars control brakes entirely, belong to automobile brake technical field.
Background technology
With the sustainable growth of Global Auto recoverable amount, energy crisis and environmental pollution are increasingly serious.Hybrid vehicle,
The new-energy automobiles such as pure electric automobile are so that it is energy-efficient, low emission the advantages of obtain the extensive attention of countries in the world, become
Solve the effective means of environmental pollution and shortage of resources.Countries in the world invest considerable capital to develop electric automobile, with this one after another
It is simultaneous for hybrid vehicle, the brakes of electric automobile it is also proposed new requirement.In order to hybrid vehicle, electricity
The regenerative braking system of electrical automobile itself realizes good cooperation, so that regenerative braking system is reclaimed to the greatest extent on the basis of brake safe
The many braking energies of amount, should cancel the dependence to engine vacuum first, control not secondly with regenerative braking system coordination
Brake pedal feel can be affected.Existing vacuum assisted hydraulic brake system, vacuum booster depends on engine vacuum, and
And when coordinating to control with regenerative braking, its hydraulic control can affect master cylinder capacity and hydraulic pressure, thus affecting brake pedal feel.For
Overcome the above-mentioned deficiency of existing brakes, engineers started to research and develop some novel braking systems from the nineties in last century,
Some of which line control brake system starts in this century to use on hybrid vehicle, electric automobile.Line control brake system
Become the indispensable part of new-energy automobile brakes.
A publication No. of Tsing-Hua University's application is in the patent of invention of CN104071142A, discloses a kind of brake-by-wire
System, it instead of the vacuum booster of traditional vacuum assisted hydraulic brake system with a motor, by motor, planetary gear
Reducing gear and the collaborative work of high pressure accumulator, promote master cylinder in piston produce brake fluid pressure, thus eliminate right
The dependence of engine vacuum；Using pedal simulator, eliminate the shadow to brake pedal feel when coordinating to control with regenerative braking
Ring.But, the motor that the system increases a relatively high power is high pressure accumulator accumulation of energy, increased system energy consumption；High
Pressure accumulator is constantly in high pressure conditions, there is certain potential safety hazard；In addition, the pedal simulator of this system is simple bullet
Spring, hydraulic analog device, pedal sense is difficult to adjust it is impossible to provide the pedal sense of active for driver.
A publication No. of Tongji University's application is in the patent of invention of CN104802777A, 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 electromagnetic valves are located between brake piping, oil can pipeline and pedal sense simulating chamber respectively, pass through to two electromagnetism during braking
The continuous open and close controlling of valve is simulated the active to realize pedal sense.But, controlling brake piping and pedal sense simulating chamber
Between electromagnetic valve opening and closing when, the hydraulic pressure of brake piping can be affected, and control accuracy is difficult to ensure that；In addition, in brake pipe
In the case that between road and pedal sense simulator, electromagnetic valve damages, the high-pressure brake liquid in master cylinder can be directly entered pedal
So that driver cannot implement to brake, security of system has much room for improvement sensation simulating chamber.
A publication No. of Tongji University's application is in the patent of invention of CN104760586A, discloses a kind of bi-motor line
Control brakes, 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.Due to the system uses two sets of motor-ball wires
Thick stick mechanism and two master cylinders, not only complex structure, and increased the energy consumption Manufacturing cost of system；Motor and pedal it
Between mechanical connection increased the control difficulty of system, motor performance requires higher.
Content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of energy assisted braking system for automobile, this brakes
The dependence to engine vacuum and stable performance, safety can be cancelled.
For achieving the above object, the present invention employs the following technical solutions：One kind mechanically decoupled line for cars control braking system entirely
System it is characterised in that：Including master cylinder, hydraulic control unit, motor servomechanism, electromagnetic rotating relay and mechanically decoupled
Mechanism；Described master cylinder connects described hydraulic control unit by brake piping；Described motor servomechanism includes power-assisted electricity
Machine, deceleration torsion increasing device, gear and tooth bar power assisting drum；The input of described deceleration torsion increasing device and the output of described assist motor
End connects, and the outfan of described deceleration torsion increasing device is connected with described gear, and described gear is engaged with described tooth bar power assisting drum；Institute
State electromagnetic rotating relay and include relay shell, electromagnetic rotating part and back-moving spring；The rear end of described back-moving spring and described electricity
Magnetic rotation part is fixedly connected, and front end is fixedly connected with described relay shell；Described relay shell is slidably arranged in described tooth bar and helps
In limited range in power cylinder, the front end of described relay shell is fixedly connected with the master cylinder piston of described master cylinder；Described machine
Tool decoupling mechanism includes push rod cylinder, brake pushrod, decoupling push rod, thrust bearing, pedal simulator spring and spring stop；Described
Push rod cylinder leaves the inside being arranged in described tooth bar power assisting drum with gap, and described thrust bearing is passed through in the front end of described brake pushrod
Connect described decoupling push rod；Described decoupling push rod is slidably arranged in described push rod cylinder；Described pedal simulator spring is set in
On described decoupling push rod, the rear end of described pedal simulator spring is fixedly connected with described decoupling push rod, front end and described spring
Baffle plate is fixedly connected；Described decoupling push rod slidably and is un-rotatably connected with described electromagnetic rotating part；Described decoupling push rod
Front end and described relay shell between and the front end of described spring stop and described push rod cylinder between all there are gap；When
When described electromagnetic rotating relay power makes described electromagnetic rotating part drive described decoupling push rod to produce the anglec of rotation, described decoupling
The front end of push rod can pass freely through described relay shell, and described spring stop cannot pass through the front end of described push rod cylinder；When
When described electromagnetic rotating relay power-off and described electromagnetic rotating part drive described decoupling push rod return, before described decoupling push rod
End cannot pass through described relay shell, and described spring stop can pass freely through the front end of described push rod cylinder.
Described deceleration torsion increasing device and gear are two and are arranged in the both sides of described tooth bar power assisting drum.
Described mechanically decoupled mechanism also includes decoupling mechanism shell, and the front end of described decoupling mechanism shell is solid with described master cylinder
Fixed connection, rear end is fixedly connected with described push rod cylinder.
Described master cylinder includes master cylinder housing, is provided with master cylinder piston and the second master cylinder is lived in described master cylinder housing
Plug, described cylinder piston is connected with described relay shell；Between described master cylinder piston and described second master cylinder piston and second
Form master cylinder piston chamber respectively, in master cylinder piston intracavity described in two respectively between the blind end of master cylinder piston and described master cylinder housing
It is provided with piston reset spring.
Also include master cylinder oil can, described master cylinder oil can is connected with master cylinder piston chamber described in two by oil circuit.
The rear end of described brake pushrod is rotated with brake pedal and is connected, and is provided with pedal displacement and passes on described brake pushrod
Sensor.
Also include central controller, described central controller respectively with described assist motor, electromagnetic rotating relay, hydraulic pressure
Control unit, pedal displacement sensor electrical connection.
Due to taking above technical scheme, it has advantages below to the present invention：1st, the present invention because using include assist motor,
The motor servomechanism of deceleration torsion increasing device, gear and tooth bar power assisting drum, therefore can promote electromagnetic rotating by tooth bar power assisting drum
Master cylinder piston translation in relay and master cylinder, produces brake fluid such that it is able to cancel the dependence to engine vacuum.
2nd, pedal simulator of the present invention adopts variable rate spring, can be that driver provides comfortable brake pedal feel, structure is simple,
Convenient and reliable.3rd, the present invention is in system worked well, using the cooperation of electromagnetic rotating relay and full decoupling machinery, real
Show the entirely mechanically decoupled of operator brake pedal power and Braking system power, structure is simple, compact, simultaneously a large amount of hydraulic valves
Omission, not only reduced cost but also saved energy consumption.4th, the present invention, when power supply was lost efficacy or assist motor lost efficacy, is revolved by electromagnetism
Turn the cooperation of relay power-off return, mechanically decoupled device entirely, the brake force of driver can be entirely used for braking, by
The adjustment of gap, during thrashing, the available brake pressure of general driver is about 3MP, meets conventional brake and brakeless
Number limits, and substantially increases the security reliability of standby brakes.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of electromagnetic rotating relay of the present invention；
Fig. 3 is that the present invention decouples push rod front end and can pass freely through/the cross-sectional schematic of impenetrable relay shell；
Fig. 4 is the cross-sectional schematic of push rod cylinder front end of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in detail.
As shown in figure 1, the present invention proposes one kind mechanically decoupled line for cars control brakes entirely, including master cylinder 1,
Hydraulic control unit 2, motor servomechanism 3, electromagnetic rotating relay 4 and mechanically decoupled mechanism 5.
Master cylinder 1 connects hydraulic control unit 2 by brake piping.
Motor servomechanism 3 includes assist motor 31, deceleration torsion increasing device 32, gear 33 and tooth bar power assisting drum 34.Slow down
The input of torsion increasing device 32 is connected with the outfan of assist motor 31.The outfan of deceleration torsion increasing device 32 is with gear 33 even
Connect, gear 33 is engaged with tooth bar power assisting drum 34.
As shown in Figure 1 and Figure 2, electromagnetic rotating relay 4 includes relay shell 41, electromagnetic rotating part 42 and back-moving spring 43.
The rear end of back-moving spring 43 is fixedly connected with electromagnetic rotating part 42, and front end is fixedly connected with relay shell 41.Relay shell 41 is sliding
In the dynamic limited range being arranged in tooth bar power assisting drum 34, the front end of relay shell 41 is solid with the master cylinder piston 12 of master cylinder 1
Fixed connection.
Mechanically decoupled mechanism 5 includes push rod cylinder 51, brake pushrod 52, decoupling push rod 53, thrust bearing 54, pedal simulator
Spring 55 and spring stop 56.Push rod cylinder 51 leaves the inside being arranged in tooth bar power assisting drum 34 with gap, before brake pushrod 52
End connects decoupling push rod 53 by thrust bearing 54.Decoupling push rod 53 is slidably arranged in 51 in push rod cylinder.Pedal simulator spring
55 are set on decoupling push rod 53, and the rear end of pedal simulator spring 55 is fixedly connected with decoupling push rod 53, front end and spring catch
Plate 56 is fixedly connected.Decoupling push rod 53 slidably and is un-rotatably connected with electromagnetic rotating part 42.The front end of decoupling push rod 53
Gap is all there are and relay shell 41 between and between the front end of spring stop 56 and push rod cylinder 51.When electromagnetic rotating relay
When device 4 energising makes electromagnetic rotating part 42 drive decoupling push rod 53 to produce the anglec of rotation, the front end of decoupling push rod 53 can freely be worn
Cross relay shell 41, and spring stop 56 cannot pass through the front end of push rod cylinder 51；When the rotation of electromagnetic rotating relay 4 power-off electromagnetism
When turning part 42 drive decoupling push rod 53 return, the front end of decoupling push rod 53 cannot pass through relay shell 41, and spring stop 56 energy
Pass freely through the front end of push rod cylinder 51.
In above-described embodiment, deceleration torsion increasing device 32 and gear 33 are two and are arranged in the two of tooth bar power assisting drum 34
Side.
In above-described embodiment, mechanically decoupled mechanism 5 also includes decoupling mechanism shell 57, the front end of decoupling mechanism shell 57 and braking
Master cylinder 1 is fixedly connected, and rear end is fixedly connected with push rod cylinder 51.
In above-described embodiment, master cylinder 1 includes master cylinder housing 11, is provided with master cylinder piston 12 He in master cylinder housing 11
Second master cylinder piston 13, master cylinder piston 12 is connected with relay shell 41.Between master cylinder piston 12 and the second master cylinder piston 13 and
Form master cylinder piston chamber respectively, in two master cylinder piston intracavity respectively between second master cylinder piston 13 and the blind end of master cylinder housing 11
It is provided with piston reset spring 14.
In above-described embodiment, also include master cylinder oil can 6, master cylinder oil can 6 is connected with two master cylinder piston chambeies by oil circuit.
In above-described embodiment, the rear end of brake pushrod 52 is rotated with brake pedal 8 and is connected, and is provided with brake pushrod 52
Pedal displacement sensor 58.
In above-described embodiment, also include central controller 7, central controller 7 is continued with assist motor 31, electromagnetic rotating respectively
Electrical equipment 4, hydraulic control unit 2, pedal displacement sensor 58 electrically connect.
In above-described embodiment, the bulb end of brake pushrod 52 is contacted with gap adjustment part 59, exists for offsetting brake pedal 8
Little radian change when pushing.
The operation principle of the present invention and work process are as follows：
During system worked well, the effect of assist motor 31 is that instead of the driving in traditional vacuum assisted hydraulic brake system
Member and vacuum booster, drive deceleration torsion increasing device 32 to produce and rotate, deceleration torsion increasing device 32 passes through gear 33 and tooth bar power-assisted
The engagement of cylinder 34, will be converted into the translation of tooth bar power assisting drum 34, and tooth bar power assisting drum 34 drives electromagnetic rotating relay 4 to promote
Master cylinder piston 12 moves, thus producing brake fluid pressure.Specifically, when the systems are operating normally, brake pedal 8 is operated, and steps on
Plate displacement transducer 58 produces corresponding signal for the degree that brake pedal 8 is operated, and passes to central controller 7.Central authorities' control
Device 7 processed passes through to gather displacement signal, the pressure sensor signal of hydraulic control unit 2 and the road surface of pedal displacement sensor 58
Situation identifies signal, determines the size of assist motor 31 target output torque, and controls the reality output moment of torsion of assist motor 31
Follow the target output torque of assist motor 31, assist motor 31 is connected with deceleration torsion increasing device 32, then pass through gear 33 and tooth
The engagement of bar power assisting drum 34, the rotation of assist motor 31 is converted into the translation of tooth bar power assisting drum 34, and tooth bar power assisting drum 34 promotes
Electromagnetic rotating relay 4 translation, relay shell 41 promotes master cylinder piston 12 to move, by the brake fluid in two master cylinder piston chambeies respectively
Hydraulic control unit 2, then each brake piping by being connected with hydraulic control unit 2 are pushed by brake piping, pushes each
Wheel cylinder brake, thus implement braking to vehicle.
During system worked well, electromagnetic rotating relay 4 is energized, and electromagnetic rotating part 42 drives decoupling push rod 53 to produce necessarily
The anglec of rotation, now spring stop 56 cannot pass through push rod cylinder 51 front end, the brake pedal force feedback of driver is by pedal
Simulator spring 55 provides, and Braking system power is provided by assist motor 31 completely.
When system power supply of the present invention lost efficacy or assist motor 31 lost efficacy, electromagnetic rotating relay 4 power-off, multiple
In the presence of the spring 43 of position, electromagnetic rotating part 42 drives decoupling push rod 53 to reset to initial position, driver's brake pedal
8, brake pushrod 52 promotes decoupling push rod 53 to move, and now spring stop 56 and pedal simulator spring 55 can be with decoupling push rods 53
Pass through the front end of push rod cylinder 51 together, pedal simulator spring 55 will not produce feedback force.Meanwhile, decoupling push rod 53 now cannot
Through relay shell 41, thus promoting electromagnetic rotating relay 4 to produce translation, relay shell 41 promotes brake master cylinder piston 12 to produce
Raw brake pressure.
The active power-assisted of the present invention can be realized by assist motor 31, for realizing the control such as active collision avoidance, adaptive cruise
Function processed.When hydraulic control unit 8 uses the Vehicle Stability Control hydraulic control unit in prior art it is also possible to by liquid
Pressure control unit 8 realizes active boost, thus implementing Vehicle Stability Control.
When described hydraulic control unit 8 uses the Vehicle Stability Control hydraulic control unit in prior art, if this
Invent the motor failure of described system, and hydraulic control unit 8 can be with normal work, then now conventional brake, anti-lock brake, steady
The realization of the functions such as qualitative contrlol, is implemented according to prior art by hydraulic control unit 8.
The present invention is only illustrated with above-described embodiment, and the structure of each part, set location and its connection are all to have
Changed, on the basis of technical solution of the present invention, all improvement individual part being carried out according to the principle of the invention and equivalent
Conversion, all should not exclude outside protection scope of the present invention.
Claims (7)
1. one kind entirely mechanically decoupled line for cars control brakes it is characterised in that：Including master cylinder, hydraulic control unit,
Motor servomechanism, electromagnetic rotating relay and mechanically decoupled mechanism；
Described master cylinder connects described hydraulic control unit by brake piping；
Described motor servomechanism includes assist motor, deceleration torsion increasing device, gear and tooth bar power assisting drum；Described deceleration increases torsion dress
The input put is connected with the outfan of described assist motor, and the outfan of described deceleration torsion increasing device is connected with described gear,
Described gear is engaged with described tooth bar power assisting drum；
Described electromagnetic rotating relay includes relay shell, electromagnetic rotating part and back-moving spring；The rear end of described back-moving spring with
Described electromagnetic rotating part is fixedly connected, and front end is fixedly connected with described relay shell；Described relay shell is slidably arranged in described
In limited range in tooth bar power assisting drum, the front end of described relay shell is fixedly connected with the master cylinder piston of described master cylinder；
Described mechanically decoupled mechanism includes push rod cylinder, brake pushrod, decoupling push rod, thrust bearing, pedal simulator spring and bullet
Spring baffle plate；Described push rod cylinder leaves the inside being arranged in described tooth bar power assisting drum with gap, and the front end of described brake pushrod is passed through
Described thrust bearing connects described decoupling push rod；Described decoupling push rod is slidably arranged in described push rod cylinder；Described pedal simulation
Device spring is set on described decoupling push rod, and the rear end of described pedal simulator spring is fixedly connected with described decoupling push rod, front
End is fixedly connected with described spring stop；Described decoupling push rod slidably and is un-rotatably connected with described electromagnetic rotating part；
Between the front end of described decoupling push rod and described relay shell and equal between the front end of described spring stop and described push rod cylinder
There are gap；When described electromagnetic rotating relay power makes described electromagnetic rotating part drive described decoupling push rod to produce the anglec of rotation
When spending, the front end of described decoupling push rod can pass freely through described relay shell, and described spring stop cannot pass through described in push away
The front end of bar cylinder；When the described electromagnetic rotating part of described electromagnetic rotating relay power-off drives described decoupling push rod return, institute
The front end stating decoupling push rod cannot pass through described relay shell, and before described spring stop can pass freely through described push rod cylinder
End.
2. one kind as claimed in claim 1 entirely mechanically decoupled line for cars control brakes it is characterised in that：Described deceleration increases
Turn round device and gear is two and is arranged in the both sides of described tooth bar power assisting drum.
3. one kind as claimed in claim 1 entirely mechanically decoupled line for cars control brakes it is characterised in that：Described machinery solution
Coupling mechanism also includes decoupling mechanism shell, and the front end of described decoupling mechanism shell is fixedly connected with described master cylinder, rear end with described
Push rod cylinder is fixedly connected.
4. one kind as claimed in claim 1 entirely mechanically decoupled line for cars control brakes it is characterised in that：Described braking master
Cylinder includes master cylinder housing, is provided with master cylinder piston and the second master cylinder piston, described cylinder piston and institute in described master cylinder housing
State relay shell to connect；Between described master cylinder piston and described second master cylinder piston and the second master cylinder piston and described master cylinder shell
Form master cylinder piston chamber between the blind end of body respectively, be respectively arranged with piston reset spring in master cylinder piston intracavity described in two.
5. one kind as claimed in claim 4 entirely mechanically decoupled line for cars control brakes it is characterised in that：Also include master cylinder
Oil can, described master cylinder oil can is connected with master cylinder piston chamber described in two by oil circuit.
6. one kind as claimed in claim 1 entirely mechanically decoupled line for cars control brakes it is characterised in that：Described braking pushes away
The rear end of bar is rotated with brake pedal and is connected, and is provided with pedal displacement sensor on described brake pushrod.
7. one kind as claimed in claim 6 entirely mechanically decoupled line for cars control brakes it is characterised in that：Also include central authorities
Controller, described central controller respectively with described assist motor, electromagnetic rotating relay, hydraulic control unit, pedal displacement
Sensor electrically connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055472.2A CN106427967B (en) | 2016-11-25 | 2016-11-25 | Linear control braking system for full-mechanical decoupling automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055472.2A CN106427967B (en) | 2016-11-25 | 2016-11-25 | Linear control braking system for full-mechanical decoupling automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106427967A true CN106427967A (en) | 2017-02-22 |
| CN106427967B CN106427967B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611055472.2A Active CN106427967B (en) | 2016-11-25 | 2016-11-25 | Linear control braking system for full-mechanical decoupling automobile |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107554510A (en) * | 2017-07-12 | 2018-01-09 | 格陆博科技有限公司 | A kind of electric motor protecting type electric control braking booster |
| CN107618496A (en) * | 2017-07-12 | 2018-01-23 | 格陆博科技有限公司 | A kind of electric control braking booster |
| CN108860100A (en) * | 2017-05-16 | 2018-11-23 | 株式会社万都 | Actuating unit for braking system |
| CN109204268A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Brake pedal simulator, brake system of car and vehicle |
| CN109878475A (en) * | 2019-03-31 | 2019-06-14 | 浙江力邦合信智能制动系统股份有限公司 | A kind of brake booster |
| CN110027535A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | For the pedal sense simulator of vehicle and with its vehicle |
| CN110562225A (en) * | 2018-06-05 | 2019-12-13 | 华为技术有限公司 | Hydraulic braking device, control device and method thereof, and new energy automobile braking system |
| CN110654362A (en) * | 2019-10-23 | 2020-01-07 | 清华大学 | Automobile line control brake system |
| CN111231915A (en) * | 2020-02-21 | 2020-06-05 | 苏州挚途科技有限公司 | Brake system |
| CN111661021A (en) * | 2020-05-22 | 2020-09-15 | 上海大陆汽车制动系统销售有限公司 | Decoupling type braking system with pedal simulator |
| CN113997917A (en) * | 2021-11-24 | 2022-02-01 | 吉林东光奥威汽车制动系统有限公司 | Mechanical hydraulic component of electronic brake booster capable of mechanical hydraulic decoupling |
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