CN103072486B - Electronic parking brake control system and automobile using same - Google Patents
Electronic parking brake control system and automobile using same Download PDFInfo
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- CN103072486B CN103072486B CN201310038687.3A CN201310038687A CN103072486B CN 103072486 B CN103072486 B CN 103072486B CN 201310038687 A CN201310038687 A CN 201310038687A CN 103072486 B CN103072486 B CN 103072486B
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Abstract
The invention relates to an electronic parking brake control system and an automobile using the same. The electronic parking brake control system comprises an emergency brake solenoid valve and a parking brake solenoid valve, wherein one end of the emergency brake solenoid valve is used for connecting with a negative pole of a power supply through a wire, the other end of the emergency brake solenoid valve is connected with an emergency brake control output end of an electronic parking brake control electronic control unit (ECU), an air inlet of the emergency brake solenoid valve is connected with an air storage device through a pipeline, an air outlet of the emergency brake solenoid valve is used for connecting with a main brake air chamber of an automobile brake air chamber through a pipeline and an air change-over valve, and a vent hole of the emergency brake solenoid valve is connected with the atmosphere; and one end of the parking brake solenoid valve is used for connecting with the negative pole of the power supply through the wire, the other end of the parking brake solenoid valve is connected with a parking brake control output end of the electronic parking brake control ECU, an air inlet of the parking brake solenoid valve is connected with the air storage device through a pipeline, an air outlet of the parking brake solenoid valve is used for connecting with the parking brake air chamber of the automobile brake air chamber through a pipeline, and a vent hole of the parking brake solenoid valve is connected with the atmosphere. The unreliable brake control problem of a parking brake system of an existing pneumatic brake automobile is solved.
Description
Technical field
The present invention relates to a kind of electronic brake control system and use the automobile of this system.
Background technology
The emergency brake system of current use air braking vehicle is mostly mechanical type parking brake control system, braking during standstill controller is arranged near chaufeur, the pull-up brake-applying handle when chaufeur needs parking, the gas making automobile brake chamber control braking during standstill is discharged in air and realizes braking during standstill, this structure is full mechanical mechanism, braking during standstill controller volume is larger, be unfavorable for the layout of cab space, what need during park brake operation is firmly also larger simultaneously, frequent operation makes the labour intensity of chaufeur larger, if chaufeur is firmly less, also there is braking risk not in place, if forget pull-up braking during standstill controller when chaufeur stops, automobile just can not realize braking during standstill, there is the risk of automobile Sliding carriage with three wheels, the grave accident of car crash can be caused time serious.
Electronic parking system is also referred to as electronics parking brake, refer to and the provisional braking in running process and stagnation of movement chaufeur are combined from the long-time parking braking function after car, and the automatic control being realized automobile parking braking generation by electronic control mode and removed.Can ensure that automobile still remains on original place at stagnation of movement chaufeur after car, particularly on ramp, original place stops, and there will not be to slip car phenomenon.
Braking during standstill is also referred to as center brake, it is mainly used as stopping brake, its lock torque general action is on the transmission shaft of car transmissions, then hand braking air chamber and service brake air chamber being combined of having becomes composite brake air chamber, lock torque directly acts on wheel, thus realizes braking during standstill and service brake two kinds of functions.
Application number is in one section of patent " air-pressure type electronic emergency brake system and braking method " of 201010238129.8, disclose a kind of air-pressure type electronic emergency brake system, this brake system comprises air receiver, hand brake switch, hand braking air chamber, be connected by air pipe between air receiver with hand braking air chamber, it also comprises air-pressure type electronic parking valve, braking during standstill controller, air-pressure type electronic parking valve is connected between air receiver and hand braking air chamber, braking during standstill controller is connected between hand brake switch and air-pressure type electronic parking valve, hand brake switch can be electronic type also can be mechanical type.Although this system have employed electronic brake, and achieve the automatic control of the braking during standstill of air braking vehicle, but when vehicle stops, and chaufeur is forgotten when opening hand brake switch, automobile just can not realize braking during standstill, still there is the danger of Sliding carriage with three wheels, in addition, in vehicle traveling process, if the speed of a motor vehicle is very fast, when needing to brake at once when being in an emergency, braking during standstill controller cannot judge it is the braking in which kind of situation, if be all take same brake mode, the grave accident of car crash may be caused not in time because of automobile brake.
Summary of the invention
The object of this invention is to provide a kind of electronic brake control system and use the automobile of this system, in order to solve the insecure problem of emergency brake system control for brake of existing air braking vehicle.
For achieving the above object, the invention provides a kind of electronic brake control system, comprise electronic brake control ECU, electronic brake switch and automobile brake chamber, one end of described electronic brake switch connects the signal input part of described electronic brake control ECU, the other end is for connecting power supply, described electronic brake control ECU is provided with the port for receiving vehicle speed signal, its power positive end is used for the positive pole being connected to described power supply by ignition lock, its power-is extremely for being wired to the negative pole of described power supply, described automobile brake chamber comprises main brake air chamber and braking during standstill air chamber, this electronic brake control system also comprises emergency brake electromagnetic valve and braking during standstill electromagnetic valve, one end of described emergency brake electromagnetic valve is used for the negative pole by wire connecting power, the other end connects the emergency brake control output end of electronic brake control ECU, its induction opening connects accumulator unit by pipeline, its air gate is used for the main brake air chamber being connected to automobile brake chamber by pipeline and gas change-over valve, its deflation hole is connected with air,
One end of described braking during standstill electromagnetic valve is used for the negative pole by wire connecting power, the other end connects the braking during standstill control output end of electronic brake control ECU, its induction opening is connected to accumulator unit by pipeline, its air gate is used for the braking during standstill air chamber being connected to automobile brake chamber by pipeline, and its deflation hole is connected with air.
This electronic brake control system also comprises pressure sensor, and this pressure sensor is located on described accumulator unit or on the pipeline that is connected with described accumulator unit, described pressure sensor connects described electronic brake control ECU by wire.
Described accumulator unit is the automobile air cylinder arranged separately, and its braking during standstill inlet end connects braking during standstill electromagnetic valve, and its emergency brake inlet end connects emergency brake electromagnetic valve.
Described gas change-over valve is pneumatic two-position three-way valve.
The present invention also provides a kind of automobile with electronic brake control system, comprise power supply and ignition lock, and this automobile is provided with electronic brake switch at the maneuverable position of chaufeur, electronic brake control ECU is furnished with in car hold body, one end of described electronic brake switch connects the signal input part of described electronic brake control ECU, the other end is for connecting power supply, described electronic brake control ECU is provided with two for receiving the port of vehicle speed signal, its power positive end is used for the positive pole being connected to described power supply by ignition lock, its power-is extremely for being wired to the negative pole of described power supply, this automobile is also provided with automobile brake chamber, described automobile brake chamber comprises main brake air chamber and braking during standstill air chamber, this car chassis is also furnished with emergency brake electromagnetic valve, braking during standstill electromagnetic valve and-gas change-over valve, one end of described emergency brake electromagnetic valve is used for the negative pole by wire connecting power, the other end connects the emergency brake control output end of electronic brake control ECU, its induction opening connects accumulator unit by pipeline, its air gate is used for the main brake air chamber being connected to automobile brake chamber by pipeline and gas change-over valve, its deflation hole is connected with air,
One end of described braking during standstill electromagnetic valve is used for the negative pole by wire connecting power, the other end connects the braking during standstill control output end of electronic brake control ECU, its induction opening connects accumulator unit by pipeline, its air gate is used for the braking during standstill air chamber being connected to automobile brake chamber by pipeline, and its deflation hole is connected with air.
The chassis of this automobile is also furnished with cooling gas check valve, and the induction opening of described cooling gas check valve connects driving brake activation valve by tracheae, and its air gate connects described gas change-over valve by tracheae.
The electronic brake control system of this automobile is also provided with pressure sensor, and this pressure sensor is located on described accumulator unit or on the pipeline that is connected with described accumulator unit, described pressure sensor connects described electronic brake control ECU by wire.
Described accumulator unit is the automobile air cylinder arranged separately, and its emergency brake inlet end connects emergency brake electromagnetic valve, and its braking during standstill inlet end connects braking during standstill electromagnetic valve.
Described gas change-over valve is pneumatic two-position three-way valve.
The beneficial effect that the present invention reaches: (1) electronic brake control ECU of the present invention is connected with power supply by ignition lock, and braking during standstill Controlling solenoid valve is connected with electronic brake control ECU, when power supply disconnects or ignition lock does not connect, the mouth that electronic brake control ECU controls braking during standstill Controlling solenoid valve does not have current potential to export, braking during standstill Controlling solenoid valve is in the normal state, braking during standstill Controlling solenoid valve is discharged to the air in automobile parking braking air chamber in air, thus make automobile be in braking during standstill state, decrease and slip the generation of car accident, improve the safety of parking,
(2) in addition, electronic brake control system of the present invention is provided with emergency brake Controlling solenoid valve and braking during standstill Controlling solenoid valve, when chaufeur presses park brake switch, ECU is first according to the vehicle speed signal received, judge the size of the speed of a motor vehicle, thus control automobile carries out emergency brake or braking during standstill, when needs emergency brake or braking during standstill, gas in automobile air cylinder enters in the corresponding air chamber of automobile brake chamber by corresponding electromagnetic valve, directly braked accordingly by gas compression spring, shorten the reaction time of emergency brake and braking during standstill, improve the safety of driving.
Accompanying drawing explanation
Fig. 1 is electronic parking control system control principle drawing of the present invention;
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Electronic brake control system embodiment of the present invention:
As shown in Figure 1, the present embodiment braking during standstill control system comprises: electronic brake switch 35, electronic parking control ECU 33, emergency brake Controlling solenoid valve 42, braking during standstill Controlling solenoid valve 41, gas change-over valve 50, cooling gas check valve 51, automobile brake chamber 6, automobile air cylinder 7, pressure sensor 8.
In the present embodiment, electronic brake control ECU 33 has the port a receiving vehicle speed signal, b, electronic brake control ECU 33 is connected to the negative pole of power supply 32 by wire 10, and one end of ignition lock 31 is connected by wire 16, the other end of this ignition lock is connected to the positive pole of power supply by wire 17, electronic brake switch 35 one end is connected to the negative pole (also can be connected to the positive pole of power supply 32) of power supply 32 by wire 10, the other end connects electronic parking control ECU by wire 11, automobile air cylinder 7 is arranged on for providing the pressure sensor 8 of the pressure state of air receiver, and be connected with electronic brake control ECU by wire 15, emergency brake Controlling solenoid valve 42 is connected with electronic brake control ECU by wire 13, braking during standstill Controlling solenoid valve 41 is connected with electronic brake control ECU by wire 14, braking during standstill Controlling solenoid valve 41 is connected to the negative pole of power supply by wire 10, be connected with automobile brake chamber 6 by pipeline 24, and be connected with automobile air cylinder 7 by pipeline 20, emergency brake Controlling solenoid valve 42 is connected with the negative pole of power supply by wire 10, be connected with automobile air cylinder 7 by pipeline 21, by pipeline 22, gas change-over valve 50, pipeline 23 is connected with automobile brake chamber 6.Electronic brake controller ECU can judge to start emergency brake or braking during standstill according to the state of the state of the state of the speed of a motor vehicle, electronic brake master cock, power supply, automobile ignition switch.
The present invention has the embodiment of the automobile of electronic brake control system:
Automobile of the present invention has above-mentioned electronic brake control system, and wherein, electronic brake control ECU is arranged in car hold body; Electronic brake switch, is arranged on the maneuverable position of chaufeur on instrument desk, and when after conventional brake inefficacy or stopping-down, chaufeur needs to connect this switch during automobile parking braking, and electronic brake control ECU is worked; Braking during standstill Controlling solenoid valve, emergency brake Controlling solenoid valve and gas triple valve are arranged on car chassis.Simultaneously, this car chassis is also furnished with cooling gas check valve 51, this cooling gas check valve 51 is connected with service brake valve 52 with gas change-over valve 50 by tracheae 25, its effect is when preventing conventional brake to lose efficacy, the gas flow conventional braking system of emergency brake and cause emergency brake hydraulic performance decline or inefficacy, be the consideration being in safety system, service brake valve belongs to a part for automobile conventional brake.
Working process is as follows: when automobile ignition switch is not connected, the mouth that electronic brake control ECU controls braking during standstill Controlling solenoid valve does not have current potential to export, braking during standstill Controlling solenoid valve is in the normal state, braking during standstill Controlling solenoid valve is discharged to the air in automobile parking braking air chamber in air, thus makes automobile be in braking during standstill state, when automobile ignition switch is opened, when chaufeur presses electronic brake switch, electronic brake control ECU obtains electronic brake signal by wire 11, at this moment electronic brake control ECU judges the speed of a motor vehicle of automobile according to the vehicle speed signal received, when the speed of a motor vehicle is higher than the setting speed of a motor vehicle, electronic brake control ECU makes the work of emergency brake Controlling solenoid valve by wire 13, the gas of automobile air cylinder is by pipeline 21, emergency brake Controlling solenoid valve, pipeline 22, gas change-over valve, pipeline 23 is added to the main brake air chamber of automobile brake chamber, automobile is made to be in emergency brake state, when the speed of a motor vehicle of automobile is lower than the setting speed of a motor vehicle, electronic brake control ECU controls braking during standstill Controlling solenoid valve and carries out commutation action, disconnect automobile air cylinder to be connected with the gas circuit of automobile brake chamber, the braking during standstill air chamber gas of automobile brake chamber is by pipeline 24, braking during standstill Controlling solenoid valve is discharged in air, automobile brake chamber is made to be in braking during standstill mode of operation, realize the braking during standstill work of automobile.
In other embodiments, pressure sensor can be located on the pipeline that is connected with automobile air cylinder.
Claims (9)
1. an automotive electronic parking braking control system, comprise electronic brake control ECU, electronic brake switch and automobile brake chamber, one end of described electronic brake switch connects the signal input part of described electronic brake control ECU, the other end is for connecting power supply, described electronic brake control ECU is provided with the port for receiving vehicle speed signal, its power positive end is used for the positive pole being connected to described power supply by ignition lock, its power-is extremely for being wired to the negative pole of described power supply, described automobile brake chamber comprises main brake air chamber and braking during standstill air chamber, it is characterized in that,
This electronic brake control system also comprises emergency brake electromagnetic valve, braking during standstill electromagnetic valve and gas change-over valve, one end of described emergency brake electromagnetic valve is used for the negative pole by wire connecting power, the other end connects the emergency brake control output end of electronic brake control ECU, its induction opening connects accumulator unit by pipeline, its air gate is used for the main brake air chamber being connected to automobile brake chamber by pipeline and gas change-over valve, and its deflation hole is connected with air;
One end of described braking during standstill electromagnetic valve is used for the negative pole by wire connecting power, the other end connects the braking during standstill control output end of electronic brake control ECU, its induction opening is connected to accumulator unit by pipeline, its air gate is used for the braking during standstill air chamber being connected to automobile brake chamber by pipeline, and its deflation hole is connected with air.
2. automotive electronic parking braking control system according to claim 1, it is characterized in that, this electronic brake control system also comprises pressure sensor, this pressure sensor is located on described accumulator unit or on the pipeline that is connected with described accumulator unit, described pressure sensor connects described electronic brake control ECU by wire.
3. automotive electronic parking braking control system according to claim 1 and 2, it is characterized in that, described accumulator unit is the automobile air cylinder arranged separately, and its braking during standstill inlet end connects braking during standstill electromagnetic valve, and its emergency brake inlet end connects emergency brake electromagnetic valve.
4. automotive electronic parking braking control system according to claim 1, is characterized in that, described gas change-over valve is pneumatic two-position three-way valve.
5. one kind has the automobile of electronic brake control system, comprise power supply and ignition lock, and this automobile is provided with electronic brake switch at the maneuverable position of chaufeur, electronic brake control ECU is furnished with in car hold body, one end of described electronic brake switch connects the signal input part of described electronic brake control ECU, the other end is for connecting power supply, described electronic brake control ECU is provided with two for receiving the port of vehicle speed signal, its power positive end is used for the positive pole being connected to described power supply by ignition lock, its power-is extremely for being wired to the negative pole of described power supply, this automobile is also provided with automobile brake chamber, described automobile brake chamber comprises main brake air chamber and braking during standstill air chamber, it is characterized in that,
This car chassis is also furnished with emergency brake electromagnetic valve, braking during standstill electromagnetic valve and gas change-over valve, one end of described emergency brake electromagnetic valve is used for the negative pole by wire connecting power, the other end connects the emergency brake control output end of electronic brake control ECU, its induction opening connects accumulator unit by pipeline, its air gate is used for the main brake air chamber being connected to automobile brake chamber by pipeline and gas change-over valve, and its deflation hole is connected with air;
One end of described braking during standstill electromagnetic valve is used for the negative pole by wire connecting power, the other end connects the braking during standstill control output end of electronic brake control ECU, its induction opening connects accumulator unit by pipeline, its air gate is used for the braking during standstill air chamber being connected to automobile brake chamber by pipeline, and its deflation hole is connected with air.
6. the automobile with electronic brake control system according to claim 5, it is characterized in that, the chassis of this automobile is also furnished with cooling gas check valve, and the induction opening of described cooling gas check valve connects driving brake activation valve by tracheae, and its air gate connects described gas change-over valve by tracheae.
7. the automobile with electronic brake control system according to claim 5, it is characterized in that, the electronic brake control system of this automobile is also provided with pressure sensor, this pressure sensor is located on described accumulator unit or on the pipeline that is connected with described accumulator unit, described pressure sensor connects described electronic brake control ECU by wire.
8. the automobile with electronic brake control system according to claim 5 or 7, it is characterized in that, described accumulator unit is the automobile air cylinder arranged separately, and its emergency brake inlet end connects emergency brake electromagnetic valve, and its braking during standstill inlet end connects braking during standstill electromagnetic valve.
9. the automobile with electronic brake control system according to claim 5 or 6, is characterized in that, described gas change-over valve is pneumatic two-position three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310038687.3A CN103072486B (en) | 2013-01-31 | 2013-01-31 | Electronic parking brake control system and automobile using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310038687.3A CN103072486B (en) | 2013-01-31 | 2013-01-31 | Electronic parking brake control system and automobile using same |
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| Publication Number | Publication Date |
|---|---|
| CN103072486A CN103072486A (en) | 2013-05-01 |
| CN103072486B true CN103072486B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310038687.3A Expired - Fee Related CN103072486B (en) | 2013-01-31 | 2013-01-31 | Electronic parking brake control system and automobile using same |
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| CN (1) | CN103072486B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501920A (en) * | 2018-04-02 | 2018-09-07 | 武汉欧拓莫科技有限公司 | A kind of air-pressure type electronic parking braking system |
| CN113276814A (en) * | 2020-02-20 | 2021-08-20 | 中车株洲电力机车研究所有限公司 | Braking system and control method and device thereof |
Citations (6)
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| DE4314448A1 (en) * | 1993-05-03 | 1994-11-10 | Teves Gmbh Alfred | Brake system for motor vehicles with electric drive |
| CN201309476Y (en) * | 2008-12-12 | 2009-09-16 | 东风汽车有限公司 | Electric control parking brake device for automobile |
| CN101817344A (en) * | 2010-04-14 | 2010-09-01 | 奇瑞汽车股份有限公司 | Automatic parking-start assisting system and control method thereof |
| CN102050116A (en) * | 2010-12-17 | 2011-05-11 | 西安正昌电子有限责任公司 | Electronic parking braking method |
| CN102602385A (en) * | 2012-03-27 | 2012-07-25 | 三一集团有限公司 | Parking braking system and engineering machinery |
| CN203157982U (en) * | 2013-01-31 | 2013-08-28 | 郑州宇通客车股份有限公司 | Electronic parking braking control system and automobile using same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6361675A (en) * | 1986-09-01 | 1988-03-17 | Mitsubishi Electric Corp | Brake device for electric motor vehicle |
-
2013
- 2013-01-31 CN CN201310038687.3A patent/CN103072486B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4314448A1 (en) * | 1993-05-03 | 1994-11-10 | Teves Gmbh Alfred | Brake system for motor vehicles with electric drive |
| CN201309476Y (en) * | 2008-12-12 | 2009-09-16 | 东风汽车有限公司 | Electric control parking brake device for automobile |
| CN101817344A (en) * | 2010-04-14 | 2010-09-01 | 奇瑞汽车股份有限公司 | Automatic parking-start assisting system and control method thereof |
| CN102050116A (en) * | 2010-12-17 | 2011-05-11 | 西安正昌电子有限责任公司 | Electronic parking braking method |
| CN102602385A (en) * | 2012-03-27 | 2012-07-25 | 三一集团有限公司 | Parking braking system and engineering machinery |
| CN203157982U (en) * | 2013-01-31 | 2013-08-28 | 郑州宇通客车股份有限公司 | Electronic parking braking control system and automobile using same |
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