CN106515698A - Automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism - Google Patents
Automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism Download PDFInfo
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- CN106515698A CN106515698A CN201610970119.0A CN201610970119A CN106515698A CN 106515698 A CN106515698 A CN 106515698A CN 201610970119 A CN201610970119 A CN 201610970119A CN 106515698 A CN106515698 A CN 106515698A
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- brake
- clutch
- oil pump
- oil
- hydraulic
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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
- B60T13/10—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
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Braking Arrangements (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention relates to the technical field of vehicle brake, in particular to an automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism. The automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism comprises a brake drive part and a hydraulic brake execution part. The brake drive part comprises a brake plate, an oil pump clutch, a motor clutch, a battery pack and an electronic control unit. A driving part of the oil pump clutch and a driving part of the motor clutch are both in transmission connection with the brake plate. A driven part of the oil pump clutch is in transmission connection with a rotor of an oil pump. A driven part of the motor clutch is in transmission connection with a rotor of a motor. The motor is electrically connected with the battery pack. An electronic control element controls the motor to charge the battery pack or controls the battery pack to supply power to the motor. The electronic control element controls the motor clutch and the oil pump clutch to be connected or disconnected. The hydraulic brake execution part is matched with the brake plate, and the oil pump serves as a power source of the hydraulic brake execution part. It is unnecessary to arrange hydraulic pipelines for a whole vehicle, and the dynamic response is rapid. Emergency brake of the vehicle is achieved under driving of brake energy of the vehicle.
Description
Technical field
The present invention relates to vehicle brake technology field, and in particular to a kind of automobile decoupling distributed brake system is electric-hydraulic combined
Formula brake actuator.
Background technology
Brakes is one of important component part of automobile chassis, is directly connected to comprehensive vehicle performance and lives and properties
Safety.Although conventional hydraulic formula, pneumatic brake system disclosure satisfy that the requirements of existing brake legislation, pipe is there is
Complexity is arranged, can not actively be adjusted and be difficult to and other by vacuum booster unit, braking response speed relatively slow, braking moment in road
The weak points such as system integration control, are not suitable for the demand for development of the automobile especially integrated control of electric automobile chassis.
The electric controlled brake system reality decoupling of brakes, mainly has EHB (EHB) and an electronic machine
Two kinds of tool brakes (EMB), eliminates being directly connected between brake pedal and wheel cylinder, with electric wire as information transmission matchmaker
It is situated between, electronic control unit recognizes braking intention according to relevant sensor signals, controls brake actuator action, realizes to wheel
The control of brake force, has the advantages that to be independent of vacuum booster unit, is easily integrated control, compensate for Conventional braking systems structure
Deficiency in principle.
But, EHB systems typically adopt centralized arrangement mode, still need to arrange car load conduit under fluid pressure, and dynamic response performance can
Further to improve.EMB systems typically using distribution arrangement, car load brake-press lead need not be arranged, with dynamic property it is good,
The advantages of arranging easy, but which is the dry type braking system that driving force is directly provided with motor, it is impossible to using existing hydraulic pressure, gas
Braking technology, the brand-new exploitation brake unit of needs, and emergency brake is pressed to realize difficult, relatively costly, current industrialization is using very
It is few.
At present, with the maximally related technology of patent of the present invention be application publication number be CN104442777A patent of invention " bottom
The distributed independent brake actuator in plate wheel side and chassis brakes ".Foregoing invention patent account for both EHB and EMB's
Advantage, using electro-hydraulic brake mode and distributed arrangement mode, with need not arrange that conduit under fluid pressure, dynamic response characteristic are good
The advantages of.But, its internal oil pump fails to make full use of braking energy, and no retarder brake, auxiliary to drive still by Motor drive
The function such as dynamic.To so far, the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system also rarely has and refers to.
The content of the invention
The purpose of the present invention is that the electric-hydraulic combined formula brakes for overcoming prior art to exist can not make full use of Brake Energy
A kind of defect of amount, there is provided the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system.
The technical solution adopted for the present invention to solve the technical problems is：A kind of automobile decoupling distributed brake system is electro-hydraulic
Composite brake actuator, including braking drive part and hydraulic braking executable portion, described braking drive part include
Brake disc, oil pump clutch, electric motor clutch, set of cells and electronic control unit, the active part of the oil pump clutch and
The active part of electric motor clutch is connected with the brake disc, and the secondary part of the oil pump clutch is turned with oil pump
Son is connected, and the secondary part of the electric motor clutch is connected with the rotor of motor, the motor and the set of cells
Electrical connection, the electronic control component controlled motor charges to set of cells or control set of cells is powered to motor；The electronics control
The separation or combination of element controlled motor clutch processed and oil pump clutch；The hydraulic braking actuator and the brake disc
Coordinate, the oil pump is the power source of the hydraulic braking executable portion.
Specifically, described hydraulic braking executable portion includes accumulator, reservoir and wheel cylinder, the oil-in of the oil pump
It is connected with the oil-out of the reservoir, the oil-out of the oil pump is connected with the oil-in of above-mentioned accumulator, described accumulation of energy
The oil-out of device is connected with the oil-in of the wheel cylinder, and the oil-out of the wheel cylinder is connected with the reservoir oil-in, described
Brake piston is provided with wheel cylinder, brake pad is provided with the brake piston one side relative with brake disc, when the friction
Block realizes brake operating when being adjacent to brake disc.During braking, electronic control unit control oil pump clutch is combined, oil pump clutch
Secondary part rotate with active part, its secondary part drives oil pump operation, so as to brake fluid is pumped into accumulation of energy by reservoir
In device, the high-pressure brake liquid in accumulator enters wheel cylinder, and wheel cylinder brake pressure increases, and promotes brake piston and the brake pad system of pressing to
Moving plate, realizes vehicle deceleration, braking, flows back to reservoir by wheel cylinder after the completion of braking；Meanwhile, electronic control unit controlled motor from
Clutch is combined, and the secondary part of electric motor clutch is rotated with active part, so as to drive motor operation is generated electricity, and to battery
Group is charged.
Further, pressure relief pipe is provided between described reservoir and accumulator, is provided with the pressure relief pipe
Relief valve；Oil return solenoid valve is provided between the reservoir and described wheel cylinder, is set between the accumulator and above-mentioned wheel cylinder
It is equipped with into solenoid；The oil return solenoid valve and enter solenoid and controlled by the electronic control unit.When oil pump runs
When pumping into brake fluid into accumulator, if pressure is higher than predetermined value in accumulator, relief valve is opened, and brake fluid is back to storage
Liquid device, prevents hypertonia in accumulator and causes potential safety hazard；Oil return solenoid valve can be controlled using linear with solenoid is entered
Electromagnetic valve processed, it is bigger that bigger its of the signal of telecommunication for obtaining opens section, high compacting when entering solenoid and obtaining electric-opening, in accumulator
Hydrodynamic enters wheel cylinder, and when oil return solenoid valve obtains electric-opening, the brake fluid in wheel cylinder is back to storage in the presence of reservoir suction
Liquid device, wheel cylinder brake pressure are reduced.By the control to entering solenoid and oil return solenoid valve, wheel brake pressure is capable of achieving
It is accurate to adjust.
Further, it is effective monitoring and the keying of each valve is automatically controlled using electronic control unit, described accumulator
On be provided with energy-storage pressure sensor, brake-pressure sensor is provided with described wheel cylinder, the electronic control unit passes through
The signal control of the brake-pressure sensor has electromagnetic valve.When in accumulator, pressure value is higher than higher limit or lower limit,
Electronic control unit can then be opened warning system and remind driver to note.Brake-pressure sensor on wheel cylinder can real-time monitoring
The pressure of wheel cylinder inside brake liquid, as the feedback signal of braking pressure control, also can be used as the reference of brake actuator failure
Signal, when brake pressure is relatively low, electronic control unit feed solenoid is powered, and the brake fluid in accumulator enters wheel cylinder,
Brake pressure increases；When brake pressure is higher, electronic control unit gives back to solenoid and powers, the brake fluid backflow in wheel cylinder
To reservoir, brake pressure is reduced.By continuous quick regulation, by braking pressure control in the preferred range.If braking
The pressure value that pressure transducer is provided differs larger with target pressure value, and electronic control unit then can pass through malfunction indicator lamp in time
Report to the police, remind driver to note.
Preferably, radiator is additionally provided between described reservoir and oil pump, set at described radiator oil-out
Temperature sensor is equipped with, the temperature sensor is connected with the electronic control unit signal of telecommunication.In automobile continuous braking, oil
Pump clutch is engaged, operation of oil pump, brake fluid from reservoir through radiator by pump to accumulator, then Jing relief valves are back to storage
Liquid device.So constantly circulate, be brake fluid heat energy by partial brake energy conversion, distributed into air by radiator, realize
The purpose of retarder brake.If in braking procedure, brake fluid temperature is higher than permissible value, and electronic control unit then can in time by event
Barrier display lamp is reported to the police, and reminds driver to note.
Preferably, described electric motor clutch and oil pump clutch are electromagnetic clutch, the electric motor clutch and
Oil pump clutch is electrically connected with the set of cells, and the electronic control unit passes through controlled motor clutch and oil pump clutch
The separation or combination of the break-make of electric current between set of cells, controlled motor clutch and oil pump clutch.
Further, described brake actuator is independently arranged at each wheel.Between each brake actuator
It is separate, non-interference, the attachment coefficient of each wheel can be given full play to, and if one of brake actuator appearance
Problem, other several brake actuators remain to normal work, improve the braking ability and security performance of vehicle.
Further, described electronic control unit is electrically connected with master control unit, and the master control unit is responsible for identification
Operator brake is intended to, judges on-position, distributes each wheel target braking force and electronic control unit and automobile other systems
Between information exchange.Whole brakes adopts layer-stepping control structure, each electronic control unit be used to gathering energy storage pressure,
The signal such as brake pressure and brake fluid temperature, controls brake actuator action according to brakes master control cell command, real
Existing wheel slows down, braking, and relevant information is fed back to brakes master control unit.
Preferably, described set of cells is connected with automobile power source, and is provided with diode between the two, when set of cells electricity
Pressure is higher than vehicle power supply voltage, diode cut-off；When battery voltage is less than vehicle power supply voltage, diode current flow, automobile electricity
Origin system is to described battery-powered.Generally, lithium battery voltage brakes execution machine higher than vehicle power supply voltage, diode cut-off
Structure power-supply system is relatively independent；When lithium battery voltage is less than vehicle power supply voltage, diode conducting, automobile power system is to lithium
Battery is powered, and makes brake actuator keep normal performance.So, if automobile power system occurs catastrophic failure, braking is performed
Mechanism remains to normal work, improves functional reliability.
Further, described braking drive part is arranged on inside the hydraulic braking executable portion.
Improve as one kind of said structure, described braking drive part is set side by side with above-mentioned hydraulic braking executable portion
Put, both are fixedly connected as an entirety, can reduce electric-hydraulic combined formula brake actuator whole height.
Beneficial effect：The present invention is decoupling distributed brake actuator, need not arrange car load conduit under fluid pressure, it is easy to which
He controls in the system integration, and compact conformation, arrangement are conveniently and dynamic response is rapid；The present invention reclaims Brake Energy using motor, oil pump
Amount, drives brake actuator action, promotes braking energy to recycle and reduce energy resource consumption；Motor of the present invention and oil pump can have
Effect shares brake load, reduces the abrasion of brake disc friction pair, improves the service life and heat resistanceheat resistant decline performance of friction pair；This
Bright with relatively independent power-supply system, and each brake actuator is relatively independent, with preferable functional reliability and anti-
Failure ability.The present invention is easily achieved emergency brake function, can drive brake actuator action by automobile itself braking energy,
Realize that car emergency is braked；The present invention has self refrigerating function, and brake actuator temperature can be prevented too high and braking is affected
Performance.
Description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is 1 electric-hydraulic combined formula brake actuator structure diagram of embodiment；
Fig. 2 is electric-hydraulic combined formula brake actuator hydraulic system structure schematic diagram；
Fig. 3 is electric-hydraulic combined formula brake actuator arrangement schematic diagram；
Fig. 4 is the braking drive part of embodiment 2 and hydraulic braking executable portion arrangement schematic diagram；
Fig. 5 is the braking drive part structural representation of embodiment 2；
Fig. 6 is 2 hydraulic braking executable portion structural representation of embodiment.
Wherein:1st, brake disc, 2, wheel cylinder housing, 3, brake piston, 4, brake pad, 5, wheel cylinder, 6, sealing ring, 7, motor,
8th, radiator, 9, electric motor clutch, 10, set of cells, 11, accumulator, 12, little gear, 13, reservoir, 14, oil pump clutch,
15th, electronic control unit, 16, oil pump, 17, wheel, 18, brake actuator, 19, brake-pressure sensor, 20, enter electromagnetic oil
Valve, 21, energy-storage pressure sensor, 22, temperature sensor, 23, oil return solenoid valve, 24, relief valve, 25, hydraulic braking enforcement division
Point, 26, braking drive part.
Specific embodiment
Embodiment 1
As shown in figure 1, a kind of electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system, including braking is driven
Dynamic part 26 and hydraulic braking executable portion 25, are to save installing space, brake drive part 26 and be arranged on liquid in the present embodiment
Inside the dynamic executable portion 25 of compacting, described braking drive part 26 includes brake disc 1, oil pump clutch 14, electric motor clutch
9th, set of cells 10 and electronic control unit 15, the active part of the active part and electric motor clutch 9 of the oil pump clutch 14
It is connected with the brake disc 1, specifically, 1 outer ring of brake disc is provided with gear ring, and little gear 12 is engaged with gear ring, so as to
Brake disc 1 is connected with electric motor clutch 9 and oil pump clutch 14 by little gear 12；The oil pump clutch 14 it is driven
Part is connected with the rotor of oil pump 16, and secondary part and the rotor of motor 7 of the electric motor clutch 9 are connected, institute
State motor 7 to electrically connect with the set of cells 10, the electronic control component controlled motor 7 charges to set of cells 10 or controls battery
Group 10 is powered to motor 7, and to be further ensured that the effectiveness of set of cells 10, described set of cells 10 is connected with automobile power source, and
Diode is provided between the two, when 10 voltage of set of cells is higher than vehicle power supply voltage, diode cut-off；When 10 voltage of set of cells
Less than vehicle power supply voltage, diode current flow, automobile power system are powered to the set of cells 10；The electronic control component control
The separation or combination of electric motor clutch processed 9 and oil pump clutch 14；The hydraulic braking actuator 18 is matched somebody with somebody with the brake disc 1
Close, power source of the oil pump 16 for the hydraulic braking executable portion 25.
Specifically, as illustrated in fig. 1 and 2, described hydraulic braking executable portion 25 includes accumulator 11, reservoir 13 and wheel
Cylinder 5, the oil-in of the oil pump 16 are connected with the oil-out of the reservoir 13, between described reservoir 13 and oil pump 16 also
Be provided with radiator 8, at described 8 oil-out of radiator, be provided with temperature sensor 22, the temperature sensor 22 with it is described
15 signal of telecommunication of electronic control unit connects, and the oil-out of the oil pump 16 is connected with the oil-in of above-mentioned accumulator 11, described
The oil-out of accumulator 11 is connected with the oil-in of the wheel cylinder 5, the oil-out of the wheel cylinder 5 and 13 oil-in of the reservoir
Connection, is provided with brake piston 3, is sealed by sealing ring 6 between brake piston 3 and wheel cylinder housing 2 in the wheel cylinder 5, described
Brake pad 4 is provided with the one side relative with brake disc 1 of brake piston 3, is realized when the brake pad 4 is adjacent to brake disc 1
Brake operating.Pressure relief pipe is provided between described reservoir 13 and accumulator 11, on the pressure relief pipe, pressure release is provided with
Valve 24；Oil return solenoid valve 23, the accumulator 11 and above-mentioned wheel cylinder 5 are provided between the reservoir 13 and described wheel cylinder 5
Between be provided with into solenoid 20；The oil return solenoid valve 23 and enter solenoid 20 and controlled by the electronic control unit 15
System.Energy-storage pressure sensor 21 is provided with described accumulator 11, on described wheel cylinder 5, brake-pressure sensor is provided with
19, the electronic control unit 15 controls oil return solenoid valve 23 by the signal of the brake-pressure sensor 19.
In the present embodiment so that described electric motor clutch 9 and oil pump clutch 14 are electromagnetic clutch as an example, the electricity
Machine clutch 9 and oil pump clutch 14 are electrically connected with the set of cells 10, and the electronic control unit 15 passes through controlled motor
The break-make of electric current between clutch 9 and oil pump clutch 14 and set of cells 10, controlled motor clutch 9 and oil pump clutch 14
Separate or combine.In the application, set of cells 10 can adopt lithium battery, accumulator 11 to adopt high pressure accumulator.
As shown in figure 3, car load performs structure using decoupling distributed brake in the present embodiment, it is independent at each wheel 17
Described brake actuator 18 is set, it is non-interference between individual brake actuator 18, wherein four electronic control units 15
It is connected with a master control unit, the master control unit is responsible for recognizing that operator brake is intended to, judges that on-position, distribution are each
17 target braking force of wheel and the information exchange between electronic control unit 15 and automobile other systems.
Operation principle is as follows：During normal vehicle operation, electric motor clutch 9 and oil pump clutch 14 are in released state, oil
Pump 16 and motor 7 do not work；When braking, 15 controlled motor clutch 9 of electronic control unit and oil pump clutch 14 are combined, electricity
The active part of machine clutch 9 drives secondary part to rotate, and 7 rotor of secondary part drive motor is rotated, and motor 7 generates electricity and to electricity
Pond group 10 is charged；14 active part of oil pump clutch drives its secondary part to rotate, and secondary part drives oil pump 16 to run,
Brake fluid is pumped into accumulator 11 by 8 oil-out of radiator by oil pump 16, and electronic control unit 15 controls into solenoid 20 to open,
So that 11 inner high voltage brake oil of accumulator enters wheel cylinder 5, brake piston 3 is moved simultaneously under brake fluid pressure effect in wheel cylinder 5
Press close to brake disc 1, reach braking effect.After the completion of braking or when needing to adjust 5 inside brake pressure of wheel cylinder, electronic control unit
15 control oil return solenoid valves 23 are opened, and close or make into the unlatching of solenoid 20 section to diminish so that 5 inside brake liquid of wheel cylinder flows back
To reservoir 13, so as to the control by entering solenoid 20 and oil return solenoid valve 23, the accurate of 17 brake pressure of wheel is realized
Adjust.If in accumulator 11, hypertonia relief valve 24 is opened in the above process, so as to brake fluid is back to by accumulator 11
In reservoir 13, pressure release purpose is reached, it is to avoid the potential safety hazard that 11 hypertonia of accumulator is brought；In accumulator 11, pressure is necessary
In certain scope, if pressure as little as lower limit when, in vehicle traveling process, electronic control unit 15 is controlled immediately
Oil pump clutch 14 is engaged, and is driven oil pump 16 to work, 13 inside brake liquid pump of reservoir is entered accumulator 11, and enters solenoid 20
It is not turned on；Upper pressure limit value is slightly larger than 24 Opening pressure of relief valve.If pressure value is higher than higher limit or less than lower limit, open
Opening warning system reminds driver to note.
In automobile continuous braking, oil pump clutch 14 is engaged, and oil pump 16 works, and brake fluid is by reservoir 13 through radiating
Device 8 is back to reservoir 13 to accumulator 11, then Jing relief valves 24 by pump, so constantly circulates, by partial brake energy conversion
For brake fluid heat energy, distributed into air by radiator 8, realize the purpose of retarder brake.If in braking procedure, brake fluid
Temperature is higher than permissible value, and electronic control unit 15 then can in time by malfunction indicator lamp warning, and prompting driver notes.
In automobile up slope or acceleration, electronic control unit 15 engages can electric motor clutch 9 according to driving cycle, now
Set of cells 10 is powered to motor 7, and motor 7 gives wheel 17 provided auxiliary driving force by little gear 12, brake disc 1 as motor
Square.When electric motor clutch 9 is separated, little gear 12 is interrupted with 7 rotor dynamic of motor.
Embodiment 2
Difference with embodiment 1 is that as shown in figures 4-6, described braking drive part 26 is held with above-mentioned hydraulic braking
Row part 25 is arranged side by side, and two parts are arranged and are integrated.Its operation principle is identical with embodiment 1, compared to setting for embodiment 1
Mode is put, the present embodiment set-up mode effectively can reduce braking the whole height for performing structure.
It should be appreciated that specific embodiment described above is only used for explaining the present invention, it is not intended to limit the present invention.By
The present invention spirit it is extended obvious change or variation still in protection scope of the present invention among.
Claims (10)
1. the electric-hydraulic combined formula brake actuator of a kind of automobile decoupling distributed brake system, it is characterised in that：Drive including braking
Dynamic part (26) and hydraulic braking executable portion (25), described braking drive part (26) is including brake disc (1), oil pump clutch
Device (14), electric motor clutch (9), set of cells (10) and electronic control unit (15), the initiative part of the oil pump clutch (14)
Point and the active part of electric motor clutch (9) be connected with the brake disc (1), the oil pump clutch (14) it is driven
Part is connected with the rotor of oil pump (16), and the secondary part of the electric motor clutch (9) is connected with the rotor transmission of motor (7)
Connect, the motor (7) is electrically connected with the set of cells (10), the electronic control component controlled motor (7) is to set of cells (10)
Charge or control set of cells (10) to power to motor (7)；The electronic control component controlled motor clutch (9) and oil pump clutch
The separation or combination of device (14)；The hydraulic braking actuator (18) is coordinated with the brake disc (1), and the oil pump (16) is
The power source of the hydraulic braking executable portion (25).
2. the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system according to claim 1, its feature
It is：Described hydraulic braking executable portion (25) includes accumulator (11), reservoir (13) and wheel cylinder (5), the oil pump
(16) oil-in is connected with the oil-out of the reservoir (13), oil-out and above-mentioned accumulator (11) of the oil pump (16)
Oil-in connection, the oil-out of described accumulator (11) is connected with the oil-in of the wheel cylinder (5), the wheel cylinder (5)
Oil-out is connected with the reservoir (13) oil-in, is provided with brake piston (3), the brake piston in the wheel cylinder (5)
(3) brake pad (4) is provided with the one side relative with brake disc (1), the reality when the brake pad (4) is adjacent to brake disc (1)
Existing brake operating.
3. the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system according to claim 2, its feature
It is：Pressure relief pipe is provided between described reservoir (13) and accumulator (11), on the pressure relief pipe, pressure release is provided with
Valve (24)；Be provided with oil return solenoid valve (23) between the reservoir (13) and described wheel cylinder (5), the accumulator (11) with
It is provided between above-mentioned wheel cylinder (5) into solenoid (20)；The oil return solenoid valve (23) and enter solenoid (20) by institute
State electronic control unit (15) control.
4. the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system according to claim 3, its feature
It is：Energy-storage pressure sensor (21) is provided with described accumulator (11), on described wheel cylinder (5), brake pressure is provided with
Sensor (19), the electronic control unit (15) control oil return solenoid valve by the signal of the brake-pressure sensor (19)
(23)。
5. the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system according to Claims 2 or 3, which is special
Levy and be：Radiator (8), described radiator (8) oil-out are additionally provided between described reservoir (13) and oil pump (16)
Place is provided with temperature sensor (22), and the temperature sensor (22) is connected with the electronic control unit (15) signal of telecommunication.
6. the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system according to claim 1, its feature
It is：Described electric motor clutch (9) and oil pump clutch (14) are electromagnetic clutch, the electric motor clutch (9) and oil
Pump clutch (14) is electrically connected with the set of cells (10), and the electronic control unit (15) is by controlled motor clutch
(9) and oil pump clutch (14) and set of cells (10) between electric current break-make, controlled motor clutch (9) and oil pump clutch
(14) separation or combination.
7. the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system according to claim 1 or 6, which is special
Levy and be：Described set of cells (10) is connected with automobile power source, and is provided with diode between the two, when set of cells (10) voltage
Higher than vehicle power supply voltage, diode cut-off；When set of cells (10) voltage is less than vehicle power supply voltage, diode current flow, automobile
Power-supply system is powered to the set of cells (10).
8. the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system according to claim 1, its feature
It is：Each wheel (17) place is independently arranged described brake actuator (18).
9. the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system according to claim 8, its feature
It is：Described electronic control unit (15) is electrically connected with master control unit, and the master control unit is responsible for recognizing driver's system
It is dynamic to be intended to, judge on-position, distribute each wheel (17) target braking force and electronic control unit (15) and automobile other systems
Between information exchange.
10. the electric-hydraulic combined formula brake actuator of automobile decoupling distributed brake system according to claim 1 and 2, its
It is characterised by：Described braking drive part (26) is arranged on hydraulic braking executable portion (25) inside or described braking
Drive part (26) is arranged side by side with above-mentioned hydraulic braking executable portion (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970119.0A CN106515698A (en) | 2016-10-28 | 2016-10-28 | Automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970119.0A CN106515698A (en) | 2016-10-28 | 2016-10-28 | Automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism |
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| CN106515698A true CN106515698A (en) | 2017-03-22 |
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| CN201610970119.0A Pending CN106515698A (en) | 2016-10-28 | 2016-10-28 | Automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365387A (en) * | 2020-03-25 | 2020-07-03 | 江苏理工学院 | Vehicle wheel side friction brake and disc type permanent magnet brake integrated device |
| CN114954400A (en) * | 2022-06-22 | 2022-08-30 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | Electronic hydraulic brake mechanism, system and electronic hydraulic brake control method |
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| CN111365387A (en) * | 2020-03-25 | 2020-07-03 | 江苏理工学院 | Vehicle wheel side friction brake and disc type permanent magnet brake integrated device |
| CN111365387B (en) * | 2020-03-25 | 2022-03-25 | 江苏理工学院 | Vehicle wheel side friction brake and disc type permanent magnet brake integrated device |
| CN114954400A (en) * | 2022-06-22 | 2022-08-30 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | Electronic hydraulic brake mechanism, system and electronic hydraulic brake control method |
| CN114954400B (en) * | 2022-06-22 | 2023-09-19 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | Electro-hydraulic braking mechanism, system and electro-hydraulic braking control method |
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