CN108016420A - Master cylinder structure of electronic wire control brake system - Google Patents
Master cylinder structure of electronic wire control brake system Download PDFInfo
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- CN108016420A CN108016420A CN201711385758.1A CN201711385758A CN108016420A CN 108016420 A CN108016420 A CN 108016420A CN 201711385758 A CN201711385758 A CN 201711385758A CN 108016420 A CN108016420 A CN 108016420A
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- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
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- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 238000005549 size reduction Methods 0.000 description 1
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
- B60T13/10—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
- 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
- B60T13/12—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 the fluid being liquid
- B60T13/16—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 the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
- B60T13/161—Systems with master cylinder
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a master cylinder structure of an electronic line control brake system, which comprises a master cylinder cavity I and a master cylinder cavity II, wherein the master cylinder cavity I and the master cylinder cavity II are connected with two wheel end loops; a master cylinder III cavity distributed between the master cylinder I cavity and the master cylinder II cavity; and a pedal cylinder IV cavity of the pedal cylinder; the pedal cylinder is connected with the brake pedal; the cavity I and the cavity II of the main cylinder are distributed at two ends of the main cylinder body; the master cylinder III cavity is separated from the master cylinder I cavity and the master cylinder II cavity by a master cylinder first piston and a master cylinder second piston respectively; the IV cavity of the pedal cylinder is connected with the oil circuit of the III cavity of the main cylinder. By adopting the technical scheme, the transmission of the braking force is directly realized by hydraulic transmission, the braking is realized without mechanical connection, and the structural arrangement is convenient and more compact; the control of the brake system by the ECU is more convenient, flexible and reliable; the pedal feeling of the driver in the braking process is generated through the pedal feeling simulator, and the control performance is improved; the safety of braking is improved.
Description
Technical field
The invention belongs to the technical field of brake system of car.It is more particularly related to electric line control braking system
The master cylinder arrangement of system.
Background technology
At present, in the line control brake system of the prior art, brake pedal to master cylinder generally uses mechanical transmissioning machine
Structure transmits the brake force of driver, and master cylinder is divided into two chambers and sets compensation hole to be connected with oil can.But this frame mode
There is very big deficiency：Complex structural designs, axial dimension are big；Master cylinder compensation hole causes sealing cup built in master cylinder body, with
When usage time lengthen leather cup own dimensions and can increase and cause to leak；Be subject to mechanism driving, mechanism is limited, whole braking system
Structure it is not compact enough, be unfavorable for the design of line control brake system.
The content of the invention
The present invention provides a kind of master cylinder arrangement of electric line control braking system, and the purpose is to realize braking using hydraulic drive
The transmission of power.
To achieve these goals, the technical solution taken of the present invention is：
The master cylinder arrangement of the electric line control braking system of the present invention, the master cylinder are connected with two wheel end loops；
The master cylinder arrangement includes following four oil pocket：I chamber of master cylinder and master cylinder being connected with two wheels end loop MC, MC
II chamber；III chamber of master cylinder being distributed between II chamber of I chamber of master cylinder and master cylinder；And IV chamber of pedal cylinder of pedal cylinder；
The pedal cylinder is connected with brake pedal；
I chamber of master cylinder and II chamber of master cylinder is distributed in the both ends of master cylinder body；III chamber of master cylinder and I chamber of master cylinder and
II chamber of master cylinder is separated by master cylinder first piston and master cylinder second piston respectively；IV chamber of pedal cylinder and III chamber oil circuit of master cylinder
Connection；
The master cylinder first piston and oil pocket end cap, master cylinder second piston and oil pocket end cap and master cylinder first piston and
Master cylinder second piston, is connected by flexible member respectively.
On the oil circuit that IV chamber of pedal cylinder is connected with III chamber of master cylinder, the first solenoid electric valve is set.
On the oil circuit that IV chamber of pedal cylinder is connected with the first solenoid electric valve, pedal sense is set to simulate branch's oil
Road, the other end of branch's oil circuit and the oil pocket of pedal sense simulator connect.
On the pedal sense simulation branch oil circuit, the second solenoid electric valve is additionally provided with.
By on the oil circuit of two hydraulic fluid port connections of the first solenoid electric valve, set and first Electromagnetic Control
The safety valve of valve parallel connection.
III chamber of master cylinder is connected by oil circuit with supercharge control system.
The 3rd solenoid electric valve is equipped with the supercharge control system, the 3rd solenoid electric valve is arranged on master cylinder
On the oil circuit of the oil pocket of III chamber and supercharge control system connection.
I chamber of master cylinder and II chamber of master cylinder and wheel two, end circuit, are connected by oil circuit with supercharge control system.
On the oil circuit that two, end of the wheel circuit is connected with supercharge control system, the 3rd Electromagnetic Control is respectively set
Valve.
In order to realize the goal of the invention identical with above-mentioned technical proposal, the invention also discloses a kind of electric line control braking system
The master cylinder arrangement of system, the master cylinder are connected with two wheel end loops, its technical solution is：
The master cylinder arrangement includes two master cylinders, and one of master cylinder is equipped with III chamber of I chamber of master cylinder and the first master cylinder；It is described
I chamber of master cylinder and III chamber of the first master cylinder separated by master cylinder first piston；Another master cylinder is equipped with II chamber of master cylinder and the second master cylinder
III chamber；II chamber of master cylinder and III chamber of the second master cylinder is separated by master cylinder second piston；
I chamber of master cylinder and II chamber of master cylinder are taken turns end loops with two, are connected respectively；
The master cylinder arrangement also structure includes the pedal cylinder being connected with brake pedal；First master cylinder, III chamber and
Two master cylinders, III chamber connects oil circuit by III chamber of master cylinder and connects；The pedal of III chamber of the master cylinder connection oil circuit and the pedal cylinder
IV chamber of cylinder connects；
The both ends of the master cylinder first piston, the both ends of master cylinder second piston pass through flexible member with oil pocket end cap respectively
Connection.
The present invention uses above-mentioned technical proposal, realizes the transmission that brake force is directly realized by with hydraulic drive, no longer uses
Mechanically connect to realize braking, structure arrangement is convenient and compacter；Braking system is controlled by ECU also more square
Just it is, flexibly and reliable；The braking procedure pedal sense of driver is produced by pedal sense simulator, handling improves；Improve
The security of braking；The supercharging to taking turns end loop is neatly realized, brake force is met security needs.
Brief description of the drawings
Content shown in attached drawing and the mark in figure are briefly described as follows：
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram that the master cylinder of the present invention is divided into two axis arrangements；
Fig. 3 is the structure diagram that structure shown in Fig. 1 increases a pedal sense simulator；
Fig. 4 is the structure diagram of structure safety valve in parallel on the first solenoid electric valve shown in Fig. 3；
Fig. 5 is the structural representation that structure shown in Fig. 4 increases a supercharge control system and the system is connected with III chamber of master cylinder
Figure；
Fig. 6 is that structure shown in Fig. 4 increases a supercharge control system and the system is connected with taking turns two circuits at end respectively
Structure diagram.
In figure mark for：
01st, pedal cylinder, 01-1, pedal the cylinder piston, 01-2, brake pedal, 02, master cylinder, 02-1, master cylinder first piston, 02-
2nd, master cylinder second piston, 03, pedal sense simulator, the 04, second solenoid electric valve, the 05, first solenoid electric valve, 05-1, peace
Full valve, 06, ECU, 07, supercharge control system, MC1, wheel end loop, MC2, wheel end loop.
Embodiment
Below against attached drawing, by the description of the embodiment, making to embodiment of the invention further details of
Illustrate, to help those skilled in the art to have more complete, accurate and deep reason to inventive concept of the invention, technical solution
Solution.
Structure of the invention as expressed by Fig. 1, is a kind of master cylinder arrangement of electric line control braking system, the master
Cylinder 02 is connected with two wheel end loop MC1, wheel end loop MC2.Vehicle is equipped with ECU6 (ECU, Electronic Control
Unit, Vehicle Electronic Control Unit), accurate, flexible and reliable control is carried out to the transport condition (including braking) of vehicle.
The defects of in order to overcome the prior art, realize the goal of the invention for the transmission that brake force is realized using hydraulic drive, this
Inventing the technical solution taken is：
As shown in Figure 1, the master cylinder arrangement of the electric line control braking system of the present invention, including following four oil pocket：With two
Take turns end loop MC1, take turns II chamber of I chamber of master cylinder and master cylinder of end loop MC2 connections；It is distributed between II chamber of I chamber of master cylinder and master cylinder
III chamber of master cylinder；And IV chamber of pedal cylinder of pedal cylinder 01；
The pedal cylinder 01 is connected with brake pedal 01-2；
I chamber of master cylinder and II chamber of master cylinder is distributed in the both ends of 02 cylinder body of master cylinder；III chamber of master cylinder and I chamber of master cylinder
Separated respectively by master cylinder first piston 02-1 and master cylinder second piston 02-2 with II chamber of master cylinder；IV chamber of pedal cylinder and master
III chamber oil circuit of cylinder connects；
The master cylinder first piston 02-1 and oil pocket end cap, master cylinder second piston 02-2 and oil pocket end cap and master cylinder the
One piston 02-1 and master cylinder second piston 02-2, is connected by flexible member respectively.
The effect of III chamber elastic element of above-described I chamber of master cylinder, II chamber of master cylinder and master cylinder is：In no application hydraulic pressure
In the case that power acts on, the master cylinder first piston 02-1 and master cylinder second piston 02-2 is in equilbrium position.Pedal cylinder IV
The effect of flexible member in chamber is, in the case of no application action of hydraulic force, pedal the cylinder piston 01-1, which is in, resets position
Put, i.e. the position of rightmost in figure.
As shown in Figure 1, the position being connected with two wheel end loop MC1, wheel end loop MC2, is in the both ends of master cylinder,
It can realize normal braking pressurization.Following figure has such requirement.
The master cylinder arrangement of the above-mentioned electronic hydraulic brake system (brake-by-wire) of the present invention, the pedal force of brake pedal 01-2
The oil pocket of master cylinder 02 is transferred to not over mechanical connection, but relies on the transmission of hydraulic connecting progress power；Master cylinder system shares 4
A chamber composition：With the wheel loop-coupled chamber in two, end (I chamber of master cylinder, II chamber of master cylinder)；For transmitting brake force, promoting two master cylinders to live
III chamber of master cylinder of plug (master cylinder first piston 02-1 and master cylinder second piston 02-2)；And the pedal cylinder IV being connected with brake pedal
Chamber.
The operation principle of master cylinder arrangement is analyzed below by Fig. 1：
When driver steps on brake pedal 01-2, IV chamber of pedal cylinder of pedal cylinder 01 produces hydraulic pressure, passes through hydraulic connecting, hydraulic pressure
III chamber of master cylinder is transferred to, hydraulic coupling promotes master cylinder first piston 02-1 and master cylinder second piston 02-2, II chamber of I chamber of master cylinder and master cylinder
Hydraulic pressure is produced, hydraulic pressure output is connected with wheel end loop MC1, wheel end loop MC2, realizes the braking of vehicle.
Referring to Fig. 3：
On the oil circuit that IV chamber of pedal cylinder is connected with III chamber of master cylinder, the first solenoid electric valve 05 is set.
On the oil circuit that IV chamber of pedal cylinder is connected with the first solenoid electric valve 05, pedal sense is set to simulate branch
Oil circuit, the other end of branch's oil circuit are connected with the oil pocket of pedal sense simulator 03.
On the pedal sense simulation branch oil circuit, the second solenoid electric valve 04 is additionally provided with.
Above-mentioned first solenoid electric valve, 05 and second solenoid electric valve 04 is by the electromagnetic switch of ECU06 control controls
Valve, its effect are as follows：
The master cylinder arrangement of the electronic hydraulic brake system (brake-by-wire) of the present invention, sets pedal sense simulator 03, the
Two solenoid electric valves 04 and the first solenoid electric valve 05, realize the pedal sense control of line traffic control power brake under the control of ECU06
System；Pedal cylinder 01 is respectively connected with the second solenoid electric valve 04 and the first solenoid electric valve 05, the second solenoid electric valve 04 and is stepped on
Plate sense simulator 03 is connected, and the first solenoid electric valve 05 is connected with III chamber of master cylinder.
The operation principle of pedal sense simulator is analyzed below by Fig. 3：
Driver steps on brake pedal 01-2, ECU06 and controls the energization of the second solenoid electric valve 04 to open, ECU06 controls first
Solenoid electric valve 05, which is powered, closes；Driver steps on brake pedal 01-2, and the fluid of pedal cylinder 01 is pressurized to pedal sense simulator
03, produce the braking procedure pedal sense of driver.
Referring to Fig. 4：
By on the oil circuit of 05 two hydraulic fluid port connections of the first solenoid electric valve, set and the first electromagnetism control
Valve 05 processed safety valve 05-1 in parallel.
The master cylinder arrangement of the electronic hydraulic brake system (brake-by-wire) of the present invention sets safety valve 05-1.The safety valve
05-1 sets the Opening pressure (such as be arranged to 2MPa) that III chamber of master cylinder is flowed to by pedal cylinder 01；In 01 inner fluid of pedal cylinder
Because the other components of system break down can not discharge opeing when, the power that driver steps on brake pedal 01-2 can cause liquid in pedal cylinder 01
When pressure meets and exceeds the Opening pressure of safety valve 05-1, the fluid in pedal cylinder 01 is by safety valve 05-1, by pressure oil liquid
Output realizes the transmission of power to III chamber of master cylinder.
The operation principle of safety valve is analyzed below by Fig. 4：
Driver steps on brake pedal 01-2, if (such as the second solenoid electric valve 04 is stifled because the other components of system break down
Plug, or pedal sense simulator 03 is seized), pedal cylinder 01 can not discharge opeing when, brake pedal 01-2 will be difficult to by driver
Tread displacement；Safety valve 05-1 is set, and the power that driver steps on brake pedal 01-2 can be so that the hydraulic pressure in pedal cylinder 01 reaches simultaneously
During Opening pressure more than safety valve 05-1, the fluid in pedal cylinder 01 is exported pressure oil liquid to master cylinder by safety valve 05-1
III chamber, realizes the piston motion for being transferred to master cylinder 02, promoting in master cylinder 02 of power, realizes braking.
Referring to Fig. 5：
III chamber of master cylinder is connected by oil circuit with supercharge control system 07.
The master cylinder arrangement of the electronic hydraulic brake system (brake-by-wire) of the present invention, I chamber of master cylinder being connected with wheel end loop
With II chamber of master cylinder, electric controlled brake system, other electric control braking control systems of such as ABS or ESC can be connected respectively；By setting one
Set supercharge control system 07 to carry out power-assisted supercharging to III chamber of master cylinder, also can carry out power-assisted supercharging to I chamber of master cylinder and II chamber of master cylinder,
So as to fulfill line traffic control hydraulic braking function, and other active boost control functions.
The operation principle of supercharge control system is analyzed below by Fig. 5：
Take turns end loop MC1 and connect respectively with other electric control braking control systems such as ABS or ESC with taking turns two hydraulic fluid ports of end MC2
Connect；Power-assisted supercharging is carried out to III chamber of master cylinder by setting a set of supercharge control system 07：
1st, when driver steps on brake pedal 01-2, the second solenoid electric valve 04, which is powered, to be opened, and the fluid of pedal cylinder 01 enters
Pedal sense simulator 03, the first solenoid electric valve 05, which is powered, closes；ECU06 control supercharging devices (07) increase master cylinder chamber III
Power-assisted is pressed, realizes brake-by-wire function；ECU (06) controls supercharge control system 07, and pressurization control and drop are carried out to III chamber of master cylinder
Voltage-controlled system；At this time, driver steps on the sensation of brake pedal 01-2 and is produced by pedal sense simulator 03, this process can realize vehicle
Regenerative braking hydraulic regulation during energy regenerating；
2nd, when driver does not step on brake pedal 01-2, when system needs I chamber of master cylinder with II chamber active output oil pressure of master cylinder,
ECU06 controls the first solenoid electric valve 05 to be powered and closes；ECU06 controls supercharge control system 07 to carry out pressure control to III chamber of master cylinder
System, makes I chamber of master cylinder be controlled with II cavity pressure of master cylinder, realizes the hydraulic actuating unit of the functional requirements such as AEB, ACC of vehicle
Functional requirement.
Referring to Fig. 5：
The 3rd solenoid electric valve is equipped with the supercharge control system 07, the 3rd solenoid electric valve is arranged on master
On the oil circuit that III chamber of cylinder is connected with the oil pocket of supercharge control system 07.
3rd solenoid electric valve is by the electromagnetic switch valve of ECU06 control controls, and it is control supercharge control system that it, which is acted on,
Whether 07 be pressurized III chamber of master cylinder.
Referring to Fig. 6：
I chamber of master cylinder and II chamber of master cylinder and two wheel end loop MC1, wheel end loop MC2, pass through oil circuit and supercharging
Control system 07 connects.
The operation principle of supercharge control system is analyzed below by Fig. 6：
Supercharge control system 07 can also be connected with I chamber of master cylinder and II chamber of master cylinder, directly to two wheel end loop MC1, wheels
End loop MC2 is pressurized.Basic one when its working method is come to the progress power-assisted supercharging of III chamber of master cylinder with above-mentioned supercharge control system 07
Sample, difference are that the supercharging object of supercharge control system 07 becomes two circuits of wheel end loop MC1 and wheel end loop MC2.
Referring to Fig. 6：
On the oil circuit that two wheel end loop MC1, the wheel end loop MC2 are connected with supercharge control system 07, respectively set
Put the 3rd solenoid electric valve (i.e. two the 3rd solenoid electric valves).
The two the 3rd solenoid electric valves are similarly by the electromagnetic switch valve of ECU06 control controls, and it is that control increases that it, which is acted on,
Whether pressure control system 07 is pressurized I chamber of master cylinder and II chamber of master cylinder.
Referring to Fig. 2：
In order to realize the goal of the invention identical with above-mentioned technical proposal, the invention also discloses a kind of electric line control braking system
The master cylinder arrangement of system, the master cylinder 02 are connected with two wheel end loops, its technical solution is：
The master cylinder arrangement includes two master cylinders 02, and one of master cylinder 02 is equipped with III chamber of I chamber of master cylinder and the first master cylinder；
I chamber of master cylinder and III chamber of the first master cylinder is separated by master cylinder first piston 02-1；Another master cylinder 02 is equipped with II chamber of master cylinder
With III chamber of the second master cylinder；II chamber of master cylinder and III chamber of the second master cylinder is separated by master cylinder second piston 02-2；
I chamber of master cylinder and II chamber of master cylinder are connected with two wheel end loop MC1, wheel end loop MC2 respectively；
The master cylinder arrangement also structure includes the pedal cylinder 01 being connected with brake pedal 01-2；First master cylinder III
Chamber and III chamber of the second master cylinder connect oil circuit by III chamber of master cylinder and connect；III chamber of the master cylinder connection oil circuit and the pedal cylinder
01 IV chamber of pedal cylinder connection；
Both ends, the both ends of master cylinder second piston 02-2 of the master cylinder first piston 02-1 pass through with oil pocket end cap respectively
Flexible member connects.
The master cylinder arrangement of the electronic hydraulic brake system (brake-by-wire) of the present invention, wherein be connected with two wheel end loops
I chamber of master cylinder and II chamber of master cylinder can be separated into not on the same axis so that 02 axial direction layout design size reduction of master cylinder,
So as to reduce the size of hydraulic pressure unit.
As shown in Fig. 2, should be in the outer end of II chamber of I chamber of master cylinder and master cylinder, together with two positions for being connected of wheel end loops
Sample, III chamber of the first master cylinder and III chamber of the second master cylinder also should be in the ends of cylinder body, to ensure the stroke of hydraulic braking.
Analyzed below by Fig. 2：
I chamber of master cylinder, II chamber of master cylinder, III chamber of master cylinder have split into two axis arrangements from same axis arrangement, shorten axis
To size so that hydraulic pressure unit arrangement size reduces.
Volume on III chamber of master cylinder designs：
The master cylinder arrangement of the electronic hydraulic brake system (brake-by-wire) of the present invention, is designed for the volume of III chamber of master cylinder,
It is required that the high pressure where the high pressure in circuit where I chamber of master cylinder can be released and release II chamber of master cylinder in circuit.
Specifically：
When II intracavitary of I chamber of master cylinder and master cylinder high-voltage oil liquid because braking system power off suddenly or other catastrophic failures occur
When, wheel end loop MC1 can return to II chamber of I chamber of master cylinder and master cylinder, master cylinder first piston with taking turns the high-voltage oil liquid in end loop MC2 circuits
The volume of 02-1 and master cylinder second piston 02-2 movement compression III chambers of master cylinder, so that the high pressure in circuit where I chamber of master cylinder is released,
With release the high pressure in circuit where II chamber of master cylinder.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements and from aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without changing
Other occasions are directly applied into by the design of the present invention and technical solution, within protection scope of the present invention.
Claims (10)
1. the master cylinder arrangement of electric line control braking system, the master cylinder (02) is connected with two wheel end loops (MC1, MC2)；
It is characterized in that：
The master cylinder arrangement includes following four oil pocket：I chamber of master cylinder and master cylinder being connected with two wheel end loops (MC1, MC2)
II chamber；III chamber of master cylinder being distributed between II chamber of I chamber of master cylinder and master cylinder；And IV chamber of pedal cylinder of pedal cylinder (01)；
The pedal cylinder (01) is connected with brake pedal (01-2)；
I chamber of master cylinder and II chamber of master cylinder is distributed in the both ends of master cylinder (02) cylinder body；III chamber of master cylinder and I chamber of master cylinder and
II chamber of master cylinder is separated by master cylinder first piston (02-1) and master cylinder second piston (02-2) respectively；IV chamber of pedal cylinder with
III chamber oil circuit of master cylinder connects；
The master cylinder first piston (02-1) and oil pocket end cap, master cylinder second piston (02-2) and oil pocket end cap and master cylinder the
One piston (02-1) and master cylinder second piston (02-2), are connected by flexible member respectively.
2. the master cylinder arrangement of electric line control braking system described in accordance with the claim 1, it is characterised in that：In the pedal cylinder
On the oil circuit that IV chamber is connected with III chamber of master cylinder, the first solenoid electric valve (05) is set.
3. the master cylinder arrangement of electric line control braking system described in accordance with the claim 2, it is characterised in that：In the pedal cylinder
On the oil circuit that IV chamber is connected with the first solenoid electric valve (05), set pedal sense to simulate branch oil circuit, branch's oil circuit it is another
One end is connected with the oil pocket of pedal sense simulator (03).
4. the master cylinder arrangement of electric line control braking system described in accordance with the claim 3, it is characterised in that：In the pedal sense
Feel on simulation branch oil circuit, be additionally provided with the second solenoid electric valve (04).
5. the master cylinder arrangement of electric line control braking system described in accordance with the claim 3, it is characterised in that：By described first
On the oil circuit of (05) two hydraulic fluid port connection of solenoid electric valve, the safety valve in parallel with first solenoid electric valve (05) is set
(05-1)。
6. the master cylinder arrangement of electric line control braking system described in accordance with the claim 1, it is characterised in that：III chamber of master cylinder
It is connected by oil circuit with supercharge control system (07).
7. according to the master cylinder arrangement of the electric line control braking system described in claim 6, it is characterised in that：The pressurization control
The 3rd solenoid electric valve is equipped with system (07), the 3rd solenoid electric valve is arranged on III chamber of master cylinder and supercharge control system
(07) on the oil circuit of oil pocket connection.
8. the master cylinder arrangement of electric line control braking system described in accordance with the claim 1, it is characterised in that：I chamber of master cylinder
With II chamber of master cylinder and two wheel end loops (MC1, MC2), it is connected by oil circuit with supercharge control system (07).
9. according to the master cylinder arrangement of the electric line control braking system described in claim 8, it is characterised in that：In two wheels
On the oil circuit that end loop (MC1, MC2) is connected with supercharge control system (07), the 3rd solenoid electric valve is respectively set.
10. the master cylinder arrangement of electric line control braking system, the master cylinder (02) is connected with two wheel end loops, its feature exists
In：
The master cylinder arrangement includes two master cylinders (02), and one of master cylinder (02) is equipped with III chamber of I chamber of master cylinder and the first master cylinder；
I chamber of master cylinder and III chamber of the first master cylinder is separated by master cylinder first piston (02-1)；Another master cylinder (02) is equipped with master cylinder
III chamber of II chamber and the second master cylinder；II chamber of master cylinder and III chamber of the second master cylinder is separated by master cylinder second piston (02-2)；
I chamber of master cylinder and II chamber of master cylinder are connected with two wheel end loops (MC1, MC2) respectively；
The master cylinder arrangement also structure includes the pedal cylinder (01) being connected with brake pedal (01-2)；First master cylinder III
Chamber and III chamber of the second master cylinder connect oil circuit by III chamber of master cylinder and connect；III chamber of the master cylinder connection oil circuit and the pedal cylinder
(01) IV chamber of pedal cylinder connection；
Both ends, the both ends of master cylinder second piston (02-2) of the master cylinder first piston (02-1) pass through with oil pocket end cap respectively
Flexible member connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385758.1A CN108016420A (en) | 2017-12-20 | 2017-12-20 | Master cylinder structure of electronic wire control brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385758.1A CN108016420A (en) | 2017-12-20 | 2017-12-20 | Master cylinder structure of electronic wire control brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108016420A true CN108016420A (en) | 2018-05-11 |
Family
ID=62074305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711385758.1A Pending CN108016420A (en) | 2017-12-20 | 2017-12-20 | Master cylinder structure of electronic wire control brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108016420A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137265A (en) * | 2020-01-02 | 2020-05-12 | 佛山市一为制动技术有限公司 | Vehicle brake boosting system, control method and device |
| CN114162102A (en) * | 2021-10-08 | 2022-03-11 | 武汉元丰汽车电控系统股份有限公司 | Hydraulic brake system, hydraulic brake control method and related equipment |
| CN114734972A (en) * | 2022-04-21 | 2022-07-12 | 湘潭大学 | Automobile braking system based on parallel brake master cylinders and working method thereof |
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| CN111137265A (en) * | 2020-01-02 | 2020-05-12 | 佛山市一为制动技术有限公司 | Vehicle brake boosting system, control method and device |
| CN111137265B (en) * | 2020-01-02 | 2021-03-16 | 佛山市一为制动技术有限公司 | Vehicle brake boosting system, control method and device |
| CN114162102A (en) * | 2021-10-08 | 2022-03-11 | 武汉元丰汽车电控系统股份有限公司 | Hydraulic brake system, hydraulic brake control method and related equipment |
| CN114162102B (en) * | 2021-10-08 | 2023-01-17 | 武汉元丰汽车电控系统股份有限公司 | Hydraulic brake system, hydraulic brake control method and related equipment |
| CN114734972A (en) * | 2022-04-21 | 2022-07-12 | 湘潭大学 | Automobile braking system based on parallel brake master cylinders and working method thereof |
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Address after: 241009 Taishan Road, Wuhu economic and Technological Development Zone, Wuhu, Anhui, 19 Applicant after: Wuhu Bethel Electronic Control Systems Co., Ltd. Address before: 241009 Wuhu six economic development zone, No. 226, Yin Hu Bei Road, Anhui. Applicant before: Wuhu Bethel Electronic Control Systems Co., Ltd. |