CN206358136U - A kind of integrated form master cylinder - Google Patents
A kind of integrated form master cylinder Download PDFInfo
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- CN206358136U CN206358136U CN201621277027.6U CN201621277027U CN206358136U CN 206358136 U CN206358136 U CN 206358136U CN 201621277027 U CN201621277027 U CN 201621277027U CN 206358136 U CN206358136 U CN 206358136U
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- oil circuit
- master cylinder
- solenoid valve
- wheel cylinder
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Abstract
The utility model discloses a kind of integrated form master cylinder, including integrated master cylinder coupling unit and integrated master cylinder executable portion, the integrated master cylinder coupling unit includes master cylinder, the integrated master cylinder executable portion includes high pressure accumulator, the master cylinder exports two-way oil circuit, oil circuit is connected with pedal simulator through normally closed solenoid valve and is provided with pedal simulator sensor at pedal simulator end all the way, input of the oil circuit through normally open solenoid valve and high pressure accumulator performs oil circuit connection all the way, high pressure accumulator output end is provided with high pressure accumulator pressure sensor, the execution oil circuit of the high pressure accumulator input is connected by switching normally closed solenoid valve with master cylinder output circuit, and via separating oil circuit after switch normally closed solenoid valve and be connected by linear liquid inlet electromagnetic valve with wheel cylinder, Chu Ye branches oil circuit is provided with while performing oil circuit connection wheel cylinder.The utility model can reach the effect of Quick-pressurizing within the defined time, and can realize quick accurate pressure of wheel braking cylinder control.
Description
Technical field
The braking master that the utility model belongs in automobile intelligent driving Brake Control, more particularly to brake system of car
Cylinder.
Background technology
Under the overall situation that new-energy automobile flourishes, automobile from it is traditional it is combustion engine powered to hybrid power and
The direction of pure driven by power is developed.The automobile for losing conventional internal combustion mechanomotive force is led in braking procedure without vacuum source for braking
Cylinder provides vacuum servo, and in order to solve this problem, existing electric car or mixed motor-car can install one additional on traditional booster
Individual vavuum pump is used as vacuum source.On the one hand this method improves cost, on the one hand adds vavuum pump work and inevitably works
Noise.In addition, traditional master cylinder only have provide brake force effect, can not meet be energy automobile energy regenerating
Function, to realize that energy regenerating must install energy recycle device additional, improves cost.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of integrated form master cylinder, can accurately control each
The brake force of individual wheel cylinder, and the effect of Quick-pressurizing can be reached within the defined time, realize that fast accurate controls wheel cylinder
The function of pressure.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：A kind of integrated form master cylinder, it is described
Integrated master cylinder coupling unit includes master cylinder, and the integrated master cylinder executable portion includes high pressure accumulator, the master cylinder
Two-way oil circuit is exported, oil circuit is connected with pedal simulator through normally closed solenoid valve and simulated at pedal simulator end provided with pedal all the way
Device sensor, all the way input execution oil circuit connection of the oil circuit through normally open solenoid valve and high pressure accumulator, high pressure accumulator output
End is provided with high pressure accumulator pressure sensor, the execution oil circuit of the high pressure accumulator input by switch normally closed solenoid valve with
Master cylinder output circuit is connected, and oil circuit is separated after normally closed solenoid valve and by linear liquid inlet electromagnetic valve and braking via switching
Wheel cylinder is connected, and is provided with Chu Ye branches oil circuit while performing oil circuit connection wheel cylinder, the Chu Ye branches oil circuit is through going out liquid electromagnetic
Lubricating cup is accessed after valve, the oil circuit provided with a connection hydraulic pump between lubricating cup to high pressure accumulator, the hydraulic pump is by motor
Driving.
Preferably, chamber flows out have preceding brake circuit and rear brake circuit respectively before and after master cylinder, it is described before make
Braking branch oil circuit before braking branch's oil circuit and second before dynamic oil circuit includes first, the rear brake circuit is braked after including first
Brake before branch oil circuit, described first that braking branch oil circuit leads to respectively after braking branch's oil circuit and first after branch's oil circuit and second
Collected in after crossing ante-chamber pedal simulator normally closed solenoid valve and back cavity pedal simulator normally closed solenoid valve on pedal simulator, it is described
Braking branch oil circuit after branch's oil circuit and second is braked before second and passes through ante-chamber pedal simulator normally open solenoid valve and back cavity respectively
Pedal simulator normally open solenoid valve is used as two-way output circuit.
Preferably, the input access first of the high pressure accumulator, which performs oil circuit and second, performs oil circuit, described the
One execution oil circuit, which is divided into the first branch via first switch normally closed solenoid valve and performs oil circuit and the second branch, performs oil circuit, and described the
Two execution oil circuits are divided into the 3rd branch via second switch normally closed solenoid valve and perform oil circuit and the 4th branch execution oil circuit, and first opens
Close normally closed solenoid valve be connected with the output circuit by ante-chamber pedal simulator normally open solenoid valve, second switch normally closed solenoid valve and
Connected by the output circuit of back cavity pedal simulator normally open solenoid valve.
Preferably, first branch performs oil circuit and the second branch performs oil circuit respectively through the first linear feed liquor electricity
Magnet valve and the second linear liquid inlet electromagnetic valve are connected with the first wheel cylinder and the second wheel cylinder, and the 3rd branch performs oil
Road and the 4th branch perform oil circuit and braked respectively through third linear liquid inlet electromagnetic valve and the 4th linear liquid inlet electromagnetic valve and the 3rd
Wheel cylinder and the 4th wheel cylinder are connected, and first wheel cylinder and the second wheel cylinder are the braked wheel with energy regenerating
Cylinder, the 3rd wheel cylinder and the 4th wheel cylinder be without energy regenerating wheel cylinder, first wheel cylinder and
The first oil pressure sensor and the second oil pressure sensor are respectively provided with the access oil circuit of second wheel cylinder.
Preferably, oil circuit connects the first wheel cylinder, the second wheel cylinder, the 3rd wheel cylinder and the 4th wheel cylinder
While again each point connect the first liquid outlet electromagnetic valve, the second liquid outlet electromagnetic valve respectively all the way, the 3rd liquid outlet electromagnetic valve, the 4th go out liquid
Magnetic valve, brake fluid is via the first liquid outlet electromagnetic valve, the second liquid outlet electromagnetic valve, the 3rd liquid outlet electromagnetic valve, the 4th liquid outlet electromagnetic valve
Lubricating cup is accessed by oil filter afterwards.
Preferably, being provided with the stroke sensor of monitoring piston stroke on the master cylinder.
The technical solution adopted in the utility model, high pressure accumulator and hydraulic pump provide for integrated master cylinder executable portion together
High-voltage power supply, therefore the effect of Quick-pressurizing can be reached within the defined time, in addition, passing through linear liquid inlet electromagnetic valve and braked wheel
Cylinder is connected, and can realize quick accurate pressure of wheel braking cylinder control.
Further, the pressure in wheel cylinder can be after linear liquid inlet electromagnetic valve control to specific pressure, Ke Yishi
Brake force is supplemented under existing energy recovery state.And pressure of wheel braking cylinder real-time change is realized in energy recovery process, improve energy
Reclaim efficiency.Wheel anti-lock and VSC can be realized on this basis simultaneously, be the expanding function of intelligent driving
There is provided a good expansion platform.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and detailed description：
Fig. 1 is the fundamental diagram of integrated form master cylinder；
Fig. 2 is that the magnetic valve of integrated form master cylinder directly tramples master cylinder hydraulic pressure operating diagram in the power-off state；
Fig. 3 is that the magnetic valve of integrated form master cylinder is decoupled in normal operation state master cylinder, master cylinder coupling and executable portion pressure
Source schematic diagram：
Fig. 4 be integrated form master cylinder pressurization in electromagnetic valve work state；
Fig. 5 be integrated form master cylinder decompression process in electromagnetic valve work state；
Fig. 6 be electrically integrated formula master cylinder actively adjust process magnet valve working condition and have force feed road schematic diagram.
Embodiment
As shown in figure 1, the integrated form master cylinder includes integrated master cylinder coupling unit and integrated master cylinder enforcement division in two sub-sections.
Wherein, integrated master cylinder coupling unit includes master cylinder 1, the stroke sensor 12 being integrated on master cylinder, ante-chamber pedal mould
Plan device normally closed solenoid valve 21, back cavity pedal simulator normally closed solenoid valve 22, pedal simulator 31 and pedal simulator sensor 32,
Ante-chamber pedal simulator normally open solenoid valve 41, back cavity pedal simulator normally open solenoid valve 42.The monitoring braking master of stroke sensor 12
The piston stroke of cylinder, pedal simulator sensor 32 is used to monitor the pressure of pedal simulator 31.From the front and rear chamber of master cylinder 1
Preceding brake circuit and rear brake circuit are respectively flowed out, front and rear brake circuit brakes branch before being divided into two oil circuits, i.e., first alone again
Braked before oil circuit, second and brake branch's oil circuit after braking branch's oil circuit and second after branch's oil circuit, first.Branch is braked before first
Branch's oil circuit is braked after oil circuit and first normal by ante-chamber pedal simulator normally closed solenoid valve 21 and back cavity pedal simulator respectively
Close and collected in after magnetic valve 22 on pedal simulator 31, braking branch oil circuit after branch's oil circuit and second is braked before second and is led to respectively
Ante-chamber pedal simulator normally open solenoid valve 41 and back cavity pedal simulator normally open solenoid valve 42 are crossed as two-way output circuit, is being stepped on
The end of plate simulator 31 is provided with pedal simulator sensor 32.
It is normally closed that integrated master cylinder executable portion includes high pressure accumulator 51, high pressure accumulator pressure sensor 52, first switch
Magnetic valve 61, second switch normally closed solenoid valve 62, four linear liquid inlet electromagnetic valves (71,72,73,74), four road liquid outlet electromagnetic valves
(81,82,83,84), oil pressure sensor (911,921), wheel cylinder (91,92,93,94), oil filter 10 and lubricating cup 11.
Connect from the pipeline of the switch rear oil duct of normally closed solenoid valve 61 with the output circuit of ante-chamber pedal simulator normally open solenoid valve 41
Connect.Two oil circuits being divided into simultaneously after switching normally closed solenoid valve 61 are respectively through the first linear line of liquid inlet electromagnetic valve 71 and second
Property liquid inlet electromagnetic valve 72, via the first linear liquid inlet electromagnetic valve 72 of linear liquid inlet electromagnetic valve 71 and second with regenerative braking
Wheel cylinder (91,92) is connected, wherein being respectively provided with an oil pressure sensor on band regenerative braking wheel cylinder (91,92) oil circuit
(911、921).While wheel cylinder (91,92) of oil circuit connect band regenerative braking wheel again each point all the way respectively connect one go out
Liquid electromagnetic valve (81,82), brake fluid filters 10 access lubricating cups 11 via oil is passed through after liquid outlet electromagnetic valve (81,82).
The pipeline being divided into after switch normally closed solenoid valve 62 is connected with the output circuit of pedal simulator normally open solenoid valve 42.Together
When after switching normally closed solenoid valve 62 two articles of oil circuits being divided into linearly enter respectively through third linear liquid inlet electromagnetic valve 73 and the 4th
Liquid electromagnetic valve 74, is connected via linear liquid inlet electromagnetic valve (73,74) with without regenerative braking wheel cylinder (93,94).Oil circuit
Connection without regenerative braking wheel cylinder (93,94) while again each point all the way respectively connect a liquid outlet electromagnetic valve (83,84),
Brake fluid via after liquid outlet electromagnetic valve (83,84) by also by oil filter 10 access lubricating cups 11.
From lubricating cup 10 to the oil circuit connection for passing sequentially through oil 11 hydraulic pumps 12 of filter high pressure accumulator 51 by one, hydraulic pressure
Pump is driven by motor 13.
As shown in Fig. 2 integrated form master cylinder is in the power-off state, all magnetic valves are in obstructed electricity condition.It is preceding under this state
Chamber pedal simulator normally closed solenoid valve 21, back cavity pedal simulator normally closed solenoid valve 22 are closed.Ante-chamber pedal is simulated
Device normally open solenoid valve 41 and back cavity pedal simulator normally open solenoid valve 42 are in open mode.First switch normally closed solenoid valve 61,
Second switch normally closed solenoid valve 62 is closed.Four linear liquid inlet electromagnetic valves (71,72,73,74) are in open mode.
Four road liquid outlet electromagnetic valves (81,82,83,84) are closed.Coupling unit and executable portion are joined directly together under the state.System
The brake fluid of dynamic master cylinder 1 enters four wheel cylinders (91,92,93,94) directly through the magnetic valve of each opening, and liquid is provided for each wheel cylinder
Suppress power.In this condition, it is the mode of braking of dead electricity failure state, is unconventional state.As overstriking route is system in Fig. 2
There is master cylinder 1 directly to provide the live conductor road of pressure for four wheel cylinders (91,92,93,94) in dynamic pipeline.
As shown in figure 3, be integrated form master cylinder under preparation work state, master cylinder coupling unit formation brake pressure such as Fig. 3
Middle coupling unit overstriking route, brake fluid is by ante-chamber pedal simulator normally open solenoid valve 41 and the normally opened electromagnetism of back cavity pedal simulator
Valve 42 separates after being powered.And high pressure accumulator 51, the motor 13 of oil pump 12 works as pressure feed source.By the normally closed electricity of first switch
Separate under magnet valve 61, the obstructed electricity condition of second switch normally closed solenoid valve 62, preparation supercharging, executable portion overstriking route in such as Fig. 3.
As shown in figure 4, under being the conventional pressurization of integrated form master cylinder, the state, the normally closed electromagnetism of ante-chamber pedal simulator
Valve 21, back cavity pedal simulator normally closed solenoid valve 22, which are powered, to be opened, ante-chamber pedal simulator normally open solenoid valve 41 and back cavity pedal
Simulator normally open solenoid valve 42 is in energization closed mode, and the brake fluid of master cylinder, which can only flow into pedal simulator 31, to be entered
Enter four wheel cylinders (91,92,93,94).In master cylinder executable portion, accumulator 51 and hydraulic pump 12 are as fuel feeding actuating station to perform
Part provides high-voltage power supply.First switch normally closed solenoid valve 61, second switch normally closed solenoid valve 62, which are powered, to be opened, four linear feed liquors
Magnetic valve (71,72,73,74), which is powered, is in linear aperture state of a control, four road liquid outlet electromagnetic valves (81,82,83,84) no power
Closed mode.Consequently, it is possible to the first wheel cylinder 91, the second wheel cylinder 92, the 3rd wheel cylinder 93 and the 4th wheel cylinder
Pressure in 94 can realize that brake force is supplemented under energy recovery state after linear liquid inlet electromagnetic valve control to specific pressure.
Specific executable portion produces the oil circuit of pressure as shown in overstriking route in executable portion block diagram in Fig. 4.
As shown in figure 5, overstriking circuit is integrated form master cylinder live conductor road in figure.The state is coupling unit decompression process
In, the oil pressure circuit of executable portion wheel cylinder decompression.Under the state, ante-chamber pedal simulator normally closed solenoid valve 21, back cavity pedal mould
Intend the energization of device normally closed solenoid valve 22 to open, ante-chamber pedal simulator normally open solenoid valve 41 and back cavity pedal simulator normally open solenoid valve
42, in power-off open mode, make coupling unit be connected with executable portion, first switch normally closed solenoid valve 61, second switch are normally closed
Magnetic valve 62 is in power-off closed mode, four road liquid outlet electromagnetic valves (81,82,83,84) power-off closed mode, four linear feed liquors
Magnetic valve (71,72,73,74) controls its no power to be shown in a fully open operation also or at person's energization according to the state of pedal simulator 31
In linear aperture state of a control, it is ensured that wheel cylinder has the brake fluid in hydraulic brake fluid and pedal simulator to return in (91,92,93,94)
Oil return cup, realizes decompression process synchronous with pedal simulator.There is high-pressure oil passage at the end of high pressure accumulator 51, as shown in figure 5, by
One switch normally closed solenoid valve 61, second switch normally closed solenoid valve 62 close isolation.
As shown in fig. 6, during the active regulation of integrated form master cylinder, ante-chamber pedal simulator normally closed solenoid valve 21, back cavity
Pedal simulator normally closed solenoid valve 22 is in power-off closed mode, ante-chamber pedal simulator normally open solenoid valve 41 and back cavity pedal mould
Intend device normally open solenoid valve 42 and be in energization closed mode.The high-voltage power supply of isolated execution part.First switch normally closed solenoid valve 61,
Two switch normally closed solenoid valves 62 are powered according to real vehicle state to be opened, and is wheel cylinder (91,92,93,94) supercharging.Four linear feed liquor electricity
Magnet valve (71,72,73,74) pressure according to needed for wheel cylinder is controlled, and four road liquid outlet electromagnetic valves (81,82,83,84) are according to wheel cylinder
Required pressure is controlled, so as to realize the active brake supercharging and decompression of wheel cylinder.Overstriking circuit in specific live conductor road such as Fig. 6
It is shown.
Therefore, integrated form master cylinder of the present utility model, can realize quick accurate pressure of wheel braking cylinder control, in energy
Pressure of wheel braking cylinder real-time change is realized in removal process, energy regenerating efficiency is improved.It can realize that wheel is prevented on this basis simultaneously
Locking and VSC, a good expansion platform is provided for the expanding function of intelligent driving.
Claims (6)
1. a kind of integrated form master cylinder, including integrated master cylinder coupling unit and integrated master cylinder executable portion, it is characterised in that：Institute
Stating integrated master cylinder coupling unit includes master cylinder, and the integrated master cylinder executable portion includes high pressure accumulator, the braking master
Cylinder exports two-way oil circuit, and oil circuit is connected with pedal simulator through normally closed solenoid valve and is provided with pedal mould at pedal simulator end all the way
Intend device sensor, input of the oil circuit through normally open solenoid valve and high pressure accumulator performs oil circuit connection all the way, high pressure accumulator is defeated
Go out end and be provided with high pressure accumulator pressure sensor, the execution oil circuit of the high pressure accumulator input is by switching normally closed solenoid valve
It is connected with master cylinder output circuit, and oil circuit is separated after normally closed solenoid valve and by linear liquid inlet electromagnetic valve and system via switching
Driving wheel cylinder is connected, and Chu Ye branches oil circuit is provided with while performing oil circuit connection wheel cylinder, the Chu Ye branches oil circuit is through going out liquid electricity
Lubricating cup is accessed after magnet valve, the oil circuit provided with a connection hydraulic pump between lubricating cup to high pressure accumulator, the hydraulic pump is by electricity
Machine drives.
2. a kind of integrated form master cylinder according to claim 1, it is characterised in that：Chamber is distinguished before and after master cylinder
Braked before outflow has preceding brake circuit and rear brake circuit, the preceding brake circuit to include first before braking branch's oil circuit and second
Branch's oil circuit, is braked before branch's oil circuit, described first after the rear brake circuit includes first after braking branch's oil circuit and second
Braking branch oil circuit passes through ante-chamber pedal simulator normally closed solenoid valve and back cavity pedal mould respectively after braking branch's oil circuit and first
Collected in after intending device normally closed solenoid valve on pedal simulator, braking branch oil circuit after branch's oil circuit and second is braked before described second
Two-way output circuit is used as by ante-chamber pedal simulator normally open solenoid valve and back cavity pedal simulator normally open solenoid valve respectively.
3. a kind of integrated form master cylinder according to claim 2, it is characterised in that：The input of the high pressure accumulator
Access first performs oil circuit and second performs oil circuit, and the first execution oil circuit is divided into first via first switch normally closed solenoid valve
Branch performs oil circuit and the second branch performs oil circuit, and the second execution oil circuit is divided into the 3rd via second switch normally closed solenoid valve
Branch performs oil circuit and the 4th branch performs oil circuit, and first switch normally closed solenoid valve is with passing through the normally opened electromagnetism of ante-chamber pedal simulator
The output circuit connection of valve, second switch normally closed solenoid valve by the output circuit of back cavity pedal simulator normally open solenoid valve with being connected
Connect.
4. a kind of integrated form master cylinder according to claim 3, it is characterised in that：First branch perform oil circuit and
Second branch performs oil circuit respectively through the first linear liquid inlet electromagnetic valve and the second linear liquid inlet electromagnetic valve and the first wheel cylinder
It is connected with the second wheel cylinder, the 3rd branch performs oil circuit and the 4th branch performs oil circuit and entered respectively through third linear
Liquid electromagnetic valve and the 4th linear liquid inlet electromagnetic valve are connected with the 3rd wheel cylinder and the 4th wheel cylinder, first braked wheel
Cylinder and the second wheel cylinder are the wheel cylinder with energy regenerating, and the 3rd wheel cylinder and the 4th wheel cylinder are without energy
Measure and the first oil pressure biography is respectively provided with the wheel cylinder reclaimed, the access oil circuit of first wheel cylinder and the second wheel cylinder
Sensor and the second oil pressure sensor.
5. a kind of integrated form master cylinder according to claim 4, it is characterised in that：The first wheel cylinder of oil circuit connection,
While second wheel cylinder, the 3rd wheel cylinder and four wheel cylinders again each point connection first goes out liquid electromagnetic respectively all the way
Valve, the second liquid outlet electromagnetic valve, the 3rd liquid outlet electromagnetic valve, the 4th liquid outlet electromagnetic valve, brake fluid is via the first liquid outlet electromagnetic valve, second
Lubricating cup is accessed by oil filter after liquid outlet electromagnetic valve, the 3rd liquid outlet electromagnetic valve, the 4th liquid outlet electromagnetic valve.
6. a kind of integrated form master cylinder according to claim 1, it is characterised in that：Prison is installed on the master cylinder
Survey the stroke sensor of piston stroke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621277027.6U CN206358136U (en) | 2016-11-25 | 2016-11-25 | A kind of integrated form master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621277027.6U CN206358136U (en) | 2016-11-25 | 2016-11-25 | A kind of integrated form master cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206358136U true CN206358136U (en) | 2017-07-28 |
Family
ID=59371547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621277027.6U Active CN206358136U (en) | 2016-11-25 | 2016-11-25 | A kind of integrated form master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206358136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740778A (en) * | 2016-11-25 | 2017-05-31 | 浙江亚太机电股份有限公司 | A kind of integrated form master cylinder |
| CN107458365A (en) * | 2017-09-18 | 2017-12-12 | 芜湖伯特利电子控制***有限公司 | The line control brake system and its control method of a kind of decoupling |
-
2016
- 2016-11-25 CN CN201621277027.6U patent/CN206358136U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740778A (en) * | 2016-11-25 | 2017-05-31 | 浙江亚太机电股份有限公司 | A kind of integrated form master cylinder |
| CN107458365A (en) * | 2017-09-18 | 2017-12-12 | 芜湖伯特利电子控制***有限公司 | The line control brake system and its control method of a kind of decoupling |
| CN107458365B (en) * | 2017-09-18 | 2023-09-26 | 芜湖伯特利电子控制***有限公司 | Decoupled brake-by-wire system and control method thereof |
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