CN101934737A - Electronic parking brake system with AUTOHOLD function and brake method thereof - Google Patents
Electronic parking brake system with AUTOHOLD function and brake method thereof Download PDFInfo
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- CN101934737A CN101934737A CN 201010265765 CN201010265765A CN101934737A CN 101934737 A CN101934737 A CN 101934737A CN 201010265765 CN201010265765 CN 201010265765 CN 201010265765 A CN201010265765 A CN 201010265765A CN 101934737 A CN101934737 A CN 101934737A
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Abstract
The invention discloses an electronic parking brake system with AUTOHOLD function, which comprises an EPB switch, an EPB controller, an instrument panel display module, an AUTOHOLD switch, an EPB left rear brake caliper and an EPB right rear brake caliper. The invention also discloses a brake method corresponding to the system. The system and the method effectively solve the problem that when a driver drives an automobile on a road in a city, the driver needs manually controlling the parking/release frequently, and the problem that the automobile easy slides from a slope due to temperature reduction of a brake disc and reduction of parking brake force.
Description
Technical field
The present invention relates to field of automotive braking technique, be specially a kind of electronic brake system and braking method thereof of the AUTOHOLD of having function.
Background technology
When vehicle can run into situations such as traffic congestion, traffic lights frequently when urban highway travels, need frequent manipulation braking during standstill pull bar Parking.This has brought certain difficulty for the less chaufeur of strength.The sense tired out of chaufeur is risen behind the urban drive for a long time.Even the novel electronic emergency brake system also needs frequent manipulation braking during standstill switch, and is very loaded down with trivial details.
Traditional Pan Gu's formula emergency brake system, emergency brake system separates with service braking system, and service brake is little to the influence of braking during standstill for a long time.For the brake system of Parking and driving integral type, self-propelled vehicle is after braking for a long time, and the temperature build-up of brake disc can make the brake disc volume become big.Behind the braking during standstill, along with the temperature decline of brake disc, the volume-diminished of brake disc, the spacing between brake disc and the friction lining become big, cause braking during standstill power to descend, and the danger on slide slope takes place.
Summary of the invention
The electronic brake system and the braking method thereof that the purpose of this invention is to provide a kind of AUTOHOLD of having function, frequent to solve existing emergency brake system operation, the problem on slide slope easily takes place.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of electronic brake system with AUTOHOLD function, include the EPB controller, be integrated with acceleration pick-up in the described EPB controller, the signaling interface of EPB controller corresponding A UTOHOLD function powers on and is connected to the AUTOHOLD switch, it is characterized in that: the signaling interface of described EPB controller is electrically connected with the self-propelled vehicle ignition device by lead, go back electricity on the signaling interface of EPB controller corresponding A UTOHOLD function and have access to the EPB switch, the output interface of described EPB controller is by a lead and an EPB left side, the control end of right back brake caliper is electrically connected, also be electrically connected with the instrument carrier panel display module on the output interface of EPB controller, the CAN bus interface of described EPB controller has access to the CAN bus of self-propelled vehicle.
Described a kind of electronic brake system with AUTOHOLD function is characterized in that: the Parking switch and the release-push that are integrated with self-propelled vehicle in the described EPB switch.
Described a kind of electronic brake system with AUTOHOLD function is characterized in that: described instrument carrier panel display module is made of instrument carrier panel, the status indicator lamp, the buzzer phone that are integrated on the instrument carrier panel.
A kind of braking method with electronic brake system of AUTOHOLD function is characterized in that: open the AUTOHOLD switch to open the AUTOHOLD function of EPB controller, the Parking switch in the unlatching EPB switch is with controlling machine motor-car emergency brake system; Step on the speed of a motor vehicle of braking and be kept to zero, the EPB controller obtains braking and vehicle speed signal by CAN bus and self-propelled vehicle ESP module communication, and control ESP system keeps the pressure of self-propelled vehicle brake piping; After the self-propelled vehicle Parking, the brake disc temperature descends, and expanding with heat and contract with cold of brake disc can cause the power of stepping up of stopping caliper to descend, and the EPB controller calculates the temperature decline degree of brake disc, and behind the brake disc cool to room temperature, step up once more, to guarantee enough braking during standstill power.
Described a kind of braking method with electronic brake system of AUTOHOLD function, it is characterized in that: when described EPB controller detects the ESP module and can't keep brake-pipe pressure, when perhaps the EPB controller detected the ESP module failure, the left and right back of EPB controller control EPB brake caliper carried out Parking.
Described a kind of braking method with electronic brake system of AUTOHOLD function is characterized in that: to detect self-propelled vehicle flame-out and when this moment, vehicle stopped when the EPB controller, EPB control system control EPB actuating unit automatic parking.
Described a kind of braking method with electronic brake system of AUTOHOLD function is characterized in that: set program in the EPB controller, can open or close the AUTOHOLD function of EPB controller when growing by the release-push in the EPB switch.
Described a kind of braking method with electronic brake system of AUTOHOLD function is characterized in that: the EPB controller when detecting the self-propelled vehicle ignition device and close with self-propelled vehicle ignition device bonded assembly lead, SELF CL AUTOHOLD function.
Described a kind of braking method with electronic brake system of AUTOHOLD function is characterized in that: the status indicator lamp in the described instrument carrier panel display module is Parking indicator lamp, release indicator lamp, AUTOHOLD indicator lamp.
When the present invention has solved effectively and driven in the urban road, need the problem of the frequent manual control Parking/release of chaufeur.And the decline of brake disc temperature, braking during standstill power reduces, easily the problem on slide slope.The present invention simultaneously also has following advantage:
1, chaufeur can select whether to open the AUTOHOLD function according to driving habit.For the chaufeur of hobby use service braking system in of short duration parking, use the frequent Parking of AUTOHOLD function meeting to make the chaufeur incompatibility, therefore can select to close the AUTOHOLD function.
2, system does not need additive incrementation sensor and external circuit, only need use CAN communication can obtain various signals such as the speed of a motor vehicle, wheel speed, speed-slackening signal, engine speed, provides cost savings.
3, for driving new hand, the phenomenon of pull-up braking during standstill not after stopping appears in regular meeting.The present invention has the function that engine off or ignition lock are closed automatic parking, has simplified the chaufeur driver behavior.
Description of drawings
Fig. 1 is a system principle diagram of the present invention.
The specific embodiment
As shown in Figure 1.A kind of electronic brake system with AUTOHOLD function comprises the right back brake caliper composition 8 of EPB switch 10, EPB controller 14, instrument carrier panel display module 12, AUTOHOLD switch 15, the left back brake caliper 7 of EPB and EPB.
Integrated Parking is opened 2 and is closed and 1 two switches of release-push in the EPB switch, and directly links to each other with EPB controller 14 by lead, and chaufeur can be controlled electronic brake system Parking or releases by Parking switch 2.
EPB controller 14 inside have the interface 11 of junctor motor-car CAN bus, acceleration pick-up 13.Be used for obtaining required data with other module communications of self-propelled vehicle.
AUTOHOLD switch 15 directly links to each other with EPB controller 14 by lead, after chaufeur is pressed switch, and EPB controller 14 On/Off AUTOHOLD functions.
The opening and closing of AUTOHOLD function 15 also can realize by the release-push of handling in the EPB switch 10 1.Open when sending ignition signal 4 at the ignition lock of ignition device, longly open or close the AUTOHOLD function by release-push 1.SELF CL AUTOHOLD function when ignition lock is closed.
The on-off signal of self-propelled vehicle ignition device directly is sent to EPB controller 14 by lead.
Instrument carrier panel display module 12 is integrated with status indicator lamp 5, buzzer phone 6, by the acousto-optic electricity will report to the police, Parking indication, discharge indication, the AUTOHOLD indication information is presented on the gauge panel and reads for chaufeur.
EPB controller 14 communicates by car load CAN bus 3 and vehicle ESP module, obtains braking and vehicle speed signal, control ESP system maintenance/release brake-pipe pressure.
After the AUTOHOLD function was opened, after chaufeur was stepped on the speed of a motor vehicle of braking and is zero, EPB controller 14 order ESP systems kept brake-pipe pressures, kept vehicle can not slip car.As if ESP system et out of order this moment, in the time of can't keeping brake-pipe pressure, EPB controller 14 control left and right sides Parking actuating units 7,8 carry out Parking.
After the self-propelled vehicle Parking, the brake disc temperature descends, and it expands with heat and contract with cold and can cause stepping up power decline, and EPB controller 14 can calculate the temperature of brake disc, and steps up once more after brake disc is cooled to a certain degree, to guarantee to do enough Parking power.
When engine off or ignition lock were closed, car was in dead ship condition, and EPB controller 14 can the Parkings of automatic guidance emergency brake system.
Claims (9)
1. electronic brake system with AUTOHOLD function, include the EPB controller, be integrated with acceleration pick-up in the described EPB controller, be connected with the AUTOHOLD switch on the signaling interface of EPB controller corresponding A UTOHOLD function, it is characterized in that: the signaling interface of described EPB controller is electrically connected with the self-propelled vehicle ignition device by lead, go back electricity on the signaling interface of EPB controller corresponding A UTOHOLD function and have access to the EPB switch, the output interface of described EPB controller is by a lead and an EPB left side, the control end of right back brake caliper is electrically connected, also be electrically connected with the instrument carrier panel display module on the output interface of EPB controller, the CAN bus interface of described EPB controller has access to the CAN bus of self-propelled vehicle.
2. a kind of electronic brake system with AUTOHOLD function according to claim 1 is characterized in that: the Parking switch and the release-push that are integrated with self-propelled vehicle in the described EPB switch.
3. a kind of electronic brake system with AUTOHOLD function according to claim 1 is characterized in that: described instrument carrier panel display module is made of instrument carrier panel, the status indicator lamp, the buzzer phone that are integrated on the instrument carrier panel.
4. braking method with electronic brake system of AUTOHOLD function is characterized in that: open the AUTOHOLD switch to open the AUTOHOLD function of EPB controller, open Parking switch in the EPB switch with controlling machine motor-car emergency brake system; Step on the speed of a motor vehicle of braking and be kept to zero, the EPB controller obtains braking and vehicle speed signal by CAN bus and self-propelled vehicle ESP module communication, and control ESP system keeps the pressure of self-propelled vehicle brake piping; After the self-propelled vehicle Parking, the brake disc temperature descends, and expanding with heat and contract with cold of brake disc can cause the power of stepping up of stopping caliper to descend, and the EPB controller calculates the temperature decline degree of brake disc, and behind the brake disc cool to room temperature, step up once more, to guarantee enough braking during standstill power.
5. a kind of braking method according to claim 4 with electronic brake system of AUTOHOLD function, it is characterized in that: when described EPB controller detects the ESP module and can't keep brake-pipe pressure, when perhaps the EPB controller detected the ESP module failure, the left and right back of EPB controller control EPB brake caliper carried out Parking.
6. a kind of braking method according to claim 4 with electronic brake system of AUTOHOLD function, it is characterized in that: to detect self-propelled vehicle flame-out and when this moment, vehicle stopped when the EPB controller, EPB control system control EPB actuating unit automatic parking.
7. a kind of braking method according to claim 4 with electronic brake system of AUTOHOLD function, it is characterized in that: set program in the EPB controller, when growing, can open or close the AUTOHOLD function of EPB controller by the release-push in the EPB switch.
8. a kind of braking method according to claim 4 with electronic brake system of AUTOHOLD function, it is characterized in that: the EPB controller when detecting the self-propelled vehicle ignition device and close with self-propelled vehicle ignition device bonded assembly lead, SELF CL AUTOHOLD function.
9. a kind of braking method with electronic brake system of AUTOHOLD function according to claim 4 is characterized in that: the status indicator lamp in the described instrument carrier panel display module is Parking indicator lamp, release indicator lamp, AUTOHOLD indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010265765 CN101934737B (en) | 2010-08-26 | 2010-08-26 | Electronic parking brake system with AUTOHOLD function and brake method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010265765 CN101934737B (en) | 2010-08-26 | 2010-08-26 | Electronic parking brake system with AUTOHOLD function and brake method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN101934737A true CN101934737A (en) | 2011-01-05 |
| CN101934737B CN101934737B (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010265765 Active CN101934737B (en) | 2010-08-26 | 2010-08-26 | Electronic parking brake system with AUTOHOLD function and brake method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416934A (en) * | 2011-10-21 | 2012-04-18 | 奇瑞汽车股份有限公司 | Electrical park brake (EPB) system and park control method |
| CN102849051A (en) * | 2012-09-26 | 2013-01-02 | 芜湖伯特利汽车安全***有限公司 | Parking brake control system and control method applied to automatic gearbox |
| CN102923109A (en) * | 2011-08-08 | 2013-02-13 | 上海双杰科技有限公司 | Control method of electronic parking brake system |
| CN105128837A (en) * | 2015-08-28 | 2015-12-09 | 芜湖伯特利汽车安全***股份有限公司 | Auxiliary starting flame-out protection method applied to electronic parking brake system of motor vehicle |
| CN107344553A (en) * | 2016-05-06 | 2017-11-14 | 宝沃汽车（中国）有限公司 | The control method of vehicle, system and there is its vehicle |
| CN107380146A (en) * | 2017-07-12 | 2017-11-24 | 奇瑞商用车（安徽）有限公司 | A kind of electronic brake system and control method |
| WO2018090959A1 (en) * | 2016-11-17 | 2018-05-24 | 广州汽车集团股份有限公司 | Electronic parking brake system compatible with autohold function, starting method and vehicle |
| CN108622049A (en) * | 2018-05-11 | 2018-10-09 | 浙江吉利汽车研究院有限公司 | A kind of automatic parking device and method with memory function |
| CN109334652A (en) * | 2018-11-28 | 2019-02-15 | 奇瑞汽车股份有限公司 | Braking system, method, apparatus and the storage medium of intelligent automobile |
| CN109398341A (en) * | 2017-08-18 | 2019-03-01 | 罗伯特·博世有限公司 | For running the method with the braking system of parking brake of automation |
| CN114559909A (en) * | 2022-03-21 | 2022-05-31 | 东风华神汽车有限公司 | Control method for commercial vehicle EPB system |
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| EP0945322A2 (en) * | 1998-03-26 | 1999-09-29 | Toyota Jidosha Kabushiki Kaisha | Electrically operated parking brake apparatus having braking force changing device operable while drive power source switch is off |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923109A (en) * | 2011-08-08 | 2013-02-13 | 上海双杰科技有限公司 | Control method of electronic parking brake system |
| CN102416934A (en) * | 2011-10-21 | 2012-04-18 | 奇瑞汽车股份有限公司 | Electrical park brake (EPB) system and park control method |
| CN102849051A (en) * | 2012-09-26 | 2013-01-02 | 芜湖伯特利汽车安全***有限公司 | Parking brake control system and control method applied to automatic gearbox |
| CN102849051B (en) * | 2012-09-26 | 2016-03-02 | 芜湖伯特利汽车安全***股份有限公司 | A kind of braking during standstill control system and control method being applied to automatic transmission with hydraulic torque converter |
| CN105128837A (en) * | 2015-08-28 | 2015-12-09 | 芜湖伯特利汽车安全***股份有限公司 | Auxiliary starting flame-out protection method applied to electronic parking brake system of motor vehicle |
| CN107344553B (en) * | 2016-05-06 | 2019-11-22 | 宝沃汽车（中国）有限公司 | Control method, system and the vehicle with it of vehicle |
| CN107344553A (en) * | 2016-05-06 | 2017-11-14 | 宝沃汽车（中国）有限公司 | The control method of vehicle, system and there is its vehicle |
| WO2018090959A1 (en) * | 2016-11-17 | 2018-05-24 | 广州汽车集团股份有限公司 | Electronic parking brake system compatible with autohold function, starting method and vehicle |
| US11285928B2 (en) | 2016-11-17 | 2022-03-29 | Guangzhou Automobile Group Co., Ltd. | Electrical parking brake system compatible with autohold function, starting method and vehicle |
| CN107380146A (en) * | 2017-07-12 | 2017-11-24 | 奇瑞商用车（安徽）有限公司 | A kind of electronic brake system and control method |
| CN109398341A (en) * | 2017-08-18 | 2019-03-01 | 罗伯特·博世有限公司 | For running the method with the braking system of parking brake of automation |
| CN109398341B (en) * | 2017-08-18 | 2022-11-01 | 罗伯特·博世有限公司 | Method for operating a brake system having an automated parking brake |
| CN108622049A (en) * | 2018-05-11 | 2018-10-09 | 浙江吉利汽车研究院有限公司 | A kind of automatic parking device and method with memory function |
| CN109334652A (en) * | 2018-11-28 | 2019-02-15 | 奇瑞汽车股份有限公司 | Braking system, method, apparatus and the storage medium of intelligent automobile |
| CN114559909A (en) * | 2022-03-21 | 2022-05-31 | 东风华神汽车有限公司 | Control method for commercial vehicle EPB system |
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| CN101934737B (en) | 2013-03-06 |
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Address after: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee after: WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee before: Wuhu Bethel Automotive Secure Systems Ltd. |