CN101934737B - 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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- CN101934737B CN101934737B CN 201010265765 CN201010265765A CN101934737B CN 101934737 B CN101934737 B CN 101934737B CN 201010265765 CN201010265765 CN 201010265765 CN 201010265765 A CN201010265765 A CN 201010265765A CN 101934737 B CN101934737 B CN 101934737B
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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 the situations such as traffic congestion, traffic lights frequently when urban highway travels, need to handle frequently the Parking of braking during standstill pull bar.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 novel electronic brake system also needs to handle frequently the 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 on the impact 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 rising of brake disc can make the brake disc volume become large.Behind the braking during standstill, along with the drop in temperature of brake disc, the volume-diminished of brake disc, the spacing between brake disc and the friction lining become large, cause braking during standstill power to descend, and the danger on slide slope occurs.
Summary of the invention
Sloping problem to solve existing emergency brake system frequent operation, easily occurs to slip in 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.
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 ignition device for motor vehicle by wire, 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 left by wire and EPB, 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 brake and be kept to zero to the speed of a motor vehicle, 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 automobile braking pipeline; After the self-propelled vehicle Parking, the brake disc drop in temperature, 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 drop in temperature degree of brake disc, and behind the brake disc cool to room temperature, again step up, 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 rear brake caliper of EPB controller control EPB carried out Parking.
Described a kind of braking method with electronic brake system of AUTOHOLD function is characterized in that: when the EPB controller detects self-propelled vehicle flame-out and this moment of vehicle stop, and 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 EPB controller Program, 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: when the EPB controller detects ignition device for motor vehicle and cuts out by the wire that is connected with ignition device for motor vehicle, and autoshutdown 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 effectively solved and driven in the urban road, need the problem of frequently manual control Parking of chaufeur/release.And the brake disc drop in temperature, braking during standstill power reduces, easily the problem on slide slope.Simultaneously the present invention also has following advantage:
1, chaufeur can according to driving habit, select whether to open the AUTOHOLD function.In of short duration parking, use the chaufeur of service braking system for hobby, use the frequent Parking of AUTOHOLD function meeting to make chaufeur inadaptable, therefore can select to close the AUTOHOLD function.
2, system does not need additionally to increase sensor and external circuit, only need use CAN communication can obtain the 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 often can occurring stopping.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 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 that the right back brake caliper 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 forms 8.
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 wire, and chaufeur can pass through parking switch 2 and control electronic brake system Parking or releases.
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 wire, 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 1 of handling in the EPB switch 10.Open when sending ignition signal 4 at the ignition lock of ignition device, longly open or close the AUTOHOLD function by release-push 1.Autoshutdown AUTOHOLD function when ignition lock is closed.
The on-off signal of ignition device for motor vehicle directly is sent to EPB controller 14 by wire.
Instrument carrier panel display module 12 is integrated with status indicator lamp 5, buzzer phone 6, by acousto-optic-electric 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/releasing brake line pressure.
After the AUTOHOLD function was opened, chaufeur was stepped on after brake is zero to the speed of a motor vehicle, and EPB controller 14 order ESP systems keep brake-pipe pressures, and the maintenance vehicle can not slip car.If this moment ESP system et out of order, 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 drop in temperature, 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 is cooled to a certain degree again step up afterwards at brake disc, 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 is the Parking of control emergency brake system automatically.
Claims (8)
1. 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 ignition device for motor vehicle by wire, 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 left by wire and EPB, 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;
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 brake and be kept to zero to the speed of a motor vehicle, 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 automobile braking pipeline; After the self-propelled vehicle Parking, the brake disc drop in temperature, the gripping power that can cause stopping caliper that expands with heat and contract with cold of brake disc descends, and the EPB controller calculates the drop in temperature degree of brake disc, and behind the brake disc cool to room temperature, again clamp, to guarantee enough braking during standstill power.
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. a kind of electronic brake system with AUTOHOLD function according to claim 1, 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 rear brake caliper of EPB controller control EPB carried out Parking.
5. a kind of electronic brake system with AUTOHOLD function according to claim 1 is characterized in that: when the EPB controller detects self-propelled vehicle flame-out and this moment of vehicle stop, and EPB controller control EPB actuating unit automatic parking.
6. a kind of electronic brake system with AUTOHOLD function according to claim 1 is characterized in that: set EPB controller Program, can open or close the AUTOHOLD function of EPB controller when growing by the release-push in the EPB switch.
7. a kind of electronic brake system with AUTOHOLD function according to claim 1, it is characterized in that: when the EPB controller detects ignition device for motor vehicle and cuts out by the wire that is connected with ignition device for motor vehicle, autoshutdown AUTOHOLD function.
8. a kind of electronic brake system with AUTOHOLD function according to claim 1 is characterized in that: the status indicator lamp in the described instrument carrier panel display module is the Parking indicator lamp, discharge 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 |
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| Publication Number | Publication Date |
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| CN101934737A CN101934737A (en) | 2011-01-05 |
| CN101934737B true 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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Families Citing this family (11)
| 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 |
| CN102416934B (en) * | 2011-10-21 | 2013-11-06 | 奇瑞汽车股份有限公司 | Electrical park brake (EPB) system and park control method |
| 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 |
| CN105128837B (en) * | 2015-08-28 | 2018-03-23 | 芜湖伯特利汽车安全***股份有限公司 | A kind of start assisting blowout protection method applied to motor vehicle electronic parking braking system |
| 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 |
| CN106627547B (en) * | 2016-11-17 | 2019-01-29 | 广州汽车集团股份有限公司 | Electronic brake system, method for starting and the vehicle of compatible automatic parking function |
| 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 |
| DE102017214455A1 (en) * | 2017-08-18 | 2019-02-21 | Robert Bosch Gmbh | Method for operating a braking system with an automated parking brake |
| CN108622049B (en) * | 2018-05-11 | 2020-08-07 | 浙江吉利汽车研究院有限公司 | Automatic parking device with memory function and method |
| CN109334652B (en) * | 2018-11-28 | 2020-11-10 | 奇瑞汽车股份有限公司 | Braking system, method and device of intelligent automobile and storage medium |
| CN114559909B (en) * | 2022-03-21 | 2023-03-28 | 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 |
| CN1865054A (en) * | 2005-05-20 | 2006-11-22 | 日产自动车株式会社 | Apparatus for following a preceding vehicle |
| CN1942353A (en) * | 2004-01-30 | 2007-04-04 | 卢卡斯汽车股份有限公司 | Method for operating the brake gear of a vehicle |
| CN101537831A (en) * | 2009-04-13 | 2009-09-23 | 浙江亚太机电股份有限公司 | Control method of automobile electric control parking and start assisting by manual transmission and system thereof |
| CN201800700U (en) * | 2010-08-26 | 2011-04-20 | 芜湖伯特利汽车安全***有限公司 | Electronic parking braking system with AUTOHOLD function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3595249B2 (en) * | 2000-08-25 | 2004-12-02 | トヨタ自動車株式会社 | Vehicle parking brake device |
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2010
- 2010-08-26 CN CN 201010265765 patent/CN101934737B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN1942353A (en) * | 2004-01-30 | 2007-04-04 | 卢卡斯汽车股份有限公司 | Method for operating the brake gear of a vehicle |
| CN1865054A (en) * | 2005-05-20 | 2006-11-22 | 日产自动车株式会社 | Apparatus for following a preceding vehicle |
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| CN201800700U (en) * | 2010-08-26 | 2011-04-20 | 芜湖伯特利汽车安全***有限公司 | Electronic parking braking system with AUTOHOLD function |
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| CN101934737A (en) | 2011-01-05 |
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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. |