CN104340196A - Electronic parking brake system - Google Patents
Electronic parking brake system Download PDFInfo
- Publication number
- CN104340196A CN104340196A CN201310344580.1A CN201310344580A CN104340196A CN 104340196 A CN104340196 A CN 104340196A CN 201310344580 A CN201310344580 A CN 201310344580A CN 104340196 A CN104340196 A CN 104340196A
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- Prior art keywords
- parking
- brake system
- electronic
- controller
- brake
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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
- B60T13/74—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 electrical assistance or drive
- B60T13/741—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 electrical assistance or drive acting on an ultimate actuator
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
The invention relates to the field of vehicles, in particular to an electronic parking brake system. The system comprises a parking button, a controller, an electronic parking actuating mechanism, a pull wire and parking brakes which are sequentially connected, wherein the electronic parking actuating mechanism comprises a motor, a reducer and a pull wire disk which are sequentially connected; the pull wire is arranged on the pull wire disk; and the motor is connected with the controller, and receives a control command sent by the controller. The electronic parking brake system adopts motor driving to replace traditional manual operation, so that parking brake operation achieves electronic control, the labor intensity of drivers is reduced, and response is accelerated. Parking is achieved by pressing the parking button, so that a brake force and the brake time are fixed for the different drivers, a brake effect cannot be changed with forces of the drivers, and the system is safer compared with the traditional pull rod hand brake.
Description
Technical field
The present invention relates to vehicular field, particularly a kind of electronic brake system.
Background technology
Present manned vehicle, light bus, medium bus, commercial vehicle, multipurpose automobile (MPV, Multi-Purpose Vehicle), the emergency brake system of the automobile such as light duty is mechanical type parking brake, be made up of the parking handle connected in turn, bracing wire and Parking Brake, wherein parking handle is its actuating unit, generally be arranged near chaufeur, in exercisable scope, the up-and-down movement that chaufeur manually controls parking handle realizes parking function; Parking Brake is generally arranged near back axle, and parking handle (being commonly called as parking brake) pulls Parking Brake by lever principle, make rear service brake shoe plate or brake clamp locked.But due to arrangement space problem, Parking Brake size is not too large, the lever operated power of parking is generally 200N or 300N, and some vehicle can reach 400N, even higher, and therefore the labour intensity of chaufeur is very large.In addition, this mechanical type parking brake system also has following defect:
(1) parking handle arrangements on the left of chaufeur or right side, affects the crossing ability of chaufeur;
(2) bracing wire need be connected to Parking Brake from chaufeur, and bracing wire is longer, and driving efficiency is low;
(3) the strength size of different chaufeur is different, and the braking force of different driver's operation parking handle is different, and parking response time is different;
(4) during uphill starting, need Das Gaspedal, brake pedal and parking handle coordinated manipulation, can realize starting to walk smoothly on ramp, the operation easier of chaufeur is large;
(5), during emergency braking, operation parking handle, may cause back axle locking operating mode, have influence on vehicle security.
Summary of the invention
(1) technical matters that will solve
The object of this invention is to provide a kind of electronic brake system, to alleviate the labour intensity of chaufeur.
(2) technical scheme
For reaching above-mentioned purpose, the invention provides a kind of electronic brake system, comprise connect in turn parking button, controller, electronic parking actuating unit, bracing wire and Parking Brake; Described electronic parking actuating unit comprises the motor, retarder and the cable quadrant that connect in turn, and described cable quadrant is provided with bracing wire, and described motor is connected with controller and receives the control command that described controller sends.
Preferably, described parking button is arranged on the guidance panel near chaufeur.
Preferably, described electronic parking actuating unit is arranged in Parking Brake place.
Preferably, the described retarder two-stage reduction gear that comprises first stage decelerator and be connected with first stage decelerator.
Preferably, described first stage decelerator is gear transmission.
Preferably, described two-stage reduction gear comprises worm screw and the worm gear with worm mesh, and described worm screw is connected with the output shaft of driven gear, and the output shaft of described worm gear connects described cable quadrant.
Preferably, also comprise the gradient sensing device be connected with controller, grade information for detecting the grade information in vehicular seat face, and is passed to controller by described Slope Transducer.
Preferably, described controller connects anti-lock brake system.
Preferably, the bracing wire on described cable quadrant is one or two, connects different Parking Brakes respectively.
(3) beneficial effect
Electronic brake system provided by the invention, is driven by motor and replaces traditional manual, adopts motor to drive, makes park brake operation realize electron steering, alleviate the labour intensity of chaufeur, also improve response time.Due to, parking hits the realization of parking button, therefore different driver's operation parking buttons by pressing, and braking strength and braking time are fixing, can not change braking effect can not vary with each individual because of the dynamics of driver, the pull bar parking brake thus than traditional is safer.This electronic brake system is applicable to traditional vehicle and the electric drive vehicles such as manned vehicle, light bus, medium bus, commercial vehicle, MPV, light duty.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the inner structure schematic diagram of electronic parking actuating unit in Fig. 1;
The right elevation of Fig. 3 Fig. 2.
In figure, 1: parking button; 2: controller; 3: electronic parking actuating unit; 4: bracing wire; 5: Parking Brake; 31: motor; 32: first stage decelerator; 33: seal ring; 34: bearing; 35: worm screw; 36: worm gear; 37: cable quadrant.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
See Fig. 1 to Fig. 3, the invention provides a kind of electronic brake system, comprise connect in turn parking button 1, controller 2, electronic parking actuating unit 3, bracing wire 4 and Parking Brake 5; Described electronic parking actuating unit 3 comprises motor 31, retarder and the cable quadrant 37 connected in turn, and described cable quadrant 37 is provided with bracing wire 4, and described motor 31 is connected with controller 2 and receives the control command that described controller 2 sends.Be connected by electric wire between parking button 1 with controller 2, controller 2 is also connected by electric wire with electronic parking actuating unit 3.In the present embodiment, motor 31 is brush direct current motor 31, and rated voltage is 12V, and power is 120W.
Parking process of the present invention is: when vehicle needs parking, press and hit parking button 1, controller 2 receive parking information and process after, send control command to motor 31, motor 31 is opened, and drives retarder to drive cable quadrant 37 to rotate, cable quadrant 37 drives the bracing wire 4 on it to rotate while rotating, Parking Brake 5 is strained in bracing wire 4, and Parking Brake 5 holds back axle or drive wheel tightly, thus realizes parking.
Electronic brake system provided by the invention, replace operation with traditional parking brake by driver's operation parking button 1, and driven by motor 31, make park brake operation realize electron steering, alleviate the operating effort needed for parking, significantly reduce the labour intensity of chaufeur; Drive replacement traditional manual by motor 31, also improve response time.In addition, different driver's operation parking buttons 1, braking strength and braking time are fixing, and can not change braking effect can not vary with each individual because of the dynamics of driver, and the pull bar parking brake thus than traditional is safer.This electronic brake system 3 is applicable to traditional vehicle and the electric drive vehicles such as manned vehicle, light bus, medium bus, commercial vehicle, MPV, light duty.
Wherein, described parking button 1 is arranged on the guidance panel near chaufeur.The present embodiment adopts the parking button 1 on control panel to replace traditional parking brake, can not stop that chaufeur is advanced, make chaufeur obtain good crossing ability, and greatly save arrangement space, be convenient to arrangement.
Wherein, described electronic parking actuating unit 3 is arranged in Parking Brake 5 place, like this, substantially reduces bracing wire 4 length, improves driving efficiency.Parking Brake 5 is arranged near back axle, and therefore, electronic parking actuating unit 3 is also arranged near back axle.
The two-stage reduction gear that described retarder comprises first stage decelerator 32 and is connected with first stage decelerator 32.Described first stage decelerator 32 is gear transmission.The worm gear 36 that described two-stage reduction gear comprises worm screw 35 and engages with worm screw 35, described worm screw 35 is connected with the output shaft of driven gear, and the output shaft of described worm gear 36 connects described cable quadrant 37.Worm screw 35 two ends are fixed with bearing 34 respectively, and are sealed by seal ring 33.The benefit of two-stage reduction gear employing worm gear 36 worm screw 35 structure in the present embodiment is: (1) can obtain very large transmitting ratio, and compact conformation; (2) be linear contact lay between worm gear 36 worm screw 35 mesh tooth face, its load-carrying capacity is high, mechanical strength is high; (3) worm screw 35 transmission is equivalent to worm drive, and be multiple tooth engaged transmission, stable drive, noise are very little, the life-span is long; (4) turbine exports as rotary motion, and the straight-line motion output of opposed helical transmission takes up room little, and sealing is simple, is more suitable for dilly.
The electronic brake system of the present embodiment also comprises the gradient sensing device be connected with controller 2, described Slope Transducer is for detecting the grade information in vehicular seat face, and grade information is passed to controller 2, motor 31 is controlled by controller 2, to provide suitable parking power, realize parking on ramp.When starting to walk on ramp, controller 2 detects the grade information in vehicular seat face by Slope Transducer, and controller 2 controls motor 31 and progressively loosens bracing wire 4, makes vehicle gentle start.Detailed process is, during uphill starting, step on the accelerator, controller 2 calculates according to the grade information of Slope Transducer collection, automatically discharge braking during standstill when propulsive effort is greater than resistance to motion, and control motor 31 and progressively loosen bracing wire 4, make vehicle gentle start, simplify driver's operation step, reduce the operation easier of chaufeur.
The controller 2 of the electronic execution system of the present embodiment connects anti-lock brake system (ABS, Anti-lock Break System), hereinafter referred to as ABS system by CAN (Controller Area Network, controller local area network).The controller of the electronic brake system of the present embodiment obtains vehicle slip rate signal by CAN from ABS system, judge the signal of vehicle whether locking, when ABS systems axiol-ogy is to vehicle locking, locking signal is passed to the controller 2 of electronic execution system by ABS system, controller 2 controls motor 31, to reduce parking power, thus avoid vehicle locking, improve the safety of vehicle.If need emergency braking in the process of moving, press parking button, electronic parking actuating unit can ensure according to the suitable braking force of speed selection the safety that travels.
Bracing wire 4 on described cable quadrant 37 is one or two, connects different Parking Brakes 5 respectively.When the bracing wire 4 on cable quadrant 37 can be one, this bracing wire 4 connects a Parking Brake 5, and this bracing wire 4 controls the action of this Parking Brake 5.When the bracing wire 4 on cable quadrant 37 is two, every root bracing wire 4 connects different Parking Brakes 5 respectively, can control the action of two Parking Brakes 5 when cable quadrant 37 rotates simultaneously.By changing cable quadrant 37, bracing wire 4 can be set to two also can be one, and range of use is wider.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.
Claims (9)
1. an electronic brake system, is characterized in that, comprise connect in turn parking button, controller, electronic parking actuating unit, bracing wire and Parking Brake; Described electronic parking actuating unit comprises the motor, retarder and the cable quadrant that connect in turn, and described cable quadrant is provided with bracing wire, and described motor is connected with controller and receives the control command that described controller sends.
2. electronic brake system as claimed in claim 1, it is characterized in that, described parking button is arranged on the guidance panel near chaufeur.
3. electronic brake system as claimed in claim 2, it is characterized in that, described electronic parking actuating unit is arranged in Parking Brake place.
4. electronic brake system as claimed in claim 3, is characterized in that, the two-stage reduction gear that described retarder comprises first stage decelerator and is connected with first stage decelerator.
5. electronic brake system as claimed in claim 4, it is characterized in that, described first stage decelerator is gear transmission.
6. electronic brake system as claimed in claim 5, it is characterized in that, described two-stage reduction gear comprises worm screw and the worm gear with worm mesh, and described worm screw is connected with the output shaft of driven gear, and the output shaft of described worm gear connects described cable quadrant.
7. electronic brake system as claimed in claim 6, it is characterized in that, also comprise the gradient sensing device be connected with controller, grade information for detecting the grade information in vehicular seat face, and is passed to controller by described Slope Transducer.
8. electronic brake system as claimed in claim 7, is characterized in that, described controller connects anti-lock brake system.
9. the electronic brake system as described in any one of claim 1-8, is characterized in that, the bracing wire on described cable quadrant is one or two, connects different Parking Brakes respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310344580.1A CN104340196A (en) | 2013-08-08 | 2013-08-08 | Electronic parking brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310344580.1A CN104340196A (en) | 2013-08-08 | 2013-08-08 | Electronic parking brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104340196A true CN104340196A (en) | 2015-02-11 |
Family
ID=52496864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310344580.1A Pending CN104340196A (en) | 2013-08-08 | 2013-08-08 | Electronic parking brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104340196A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164740A (en) * | 2019-05-31 | 2019-08-23 | 汤楷鹏 | A kind of intelligent air switch and its control method |
| CN112319601A (en) * | 2020-11-11 | 2021-02-05 | 南京依维柯汽车有限公司 | An intelligent driving-by-wire chassis and its control method |
| CN112319601B (en) * | 2020-11-11 | 2025-04-18 | 南京依维柯汽车有限公司 | Intelligent driving wire control chassis and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5063316A (en) * | 1989-04-10 | 1991-11-05 | Ming C E | Automatic door protective reversing switch with worm gear |
| JP2004001775A (en) * | 1999-10-04 | 2004-01-08 | Toyota Motor Corp | Electric parking brake device |
| CN101386296A (en) * | 2007-09-13 | 2009-03-18 | 财团法人车辆研究测试中心 | Electronic parking system driving device |
| CN101537827A (en) * | 2008-03-19 | 2009-09-23 | 财团法人车辆研究测试中心 | Driving device of parking system |
| CN102060008A (en) * | 2009-11-10 | 2011-05-18 | 株式会社万都 | Electric parking brake for vehicle |
-
2013
- 2013-08-08 CN CN201310344580.1A patent/CN104340196A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5063316A (en) * | 1989-04-10 | 1991-11-05 | Ming C E | Automatic door protective reversing switch with worm gear |
| JP2004001775A (en) * | 1999-10-04 | 2004-01-08 | Toyota Motor Corp | Electric parking brake device |
| CN101386296A (en) * | 2007-09-13 | 2009-03-18 | 财团法人车辆研究测试中心 | Electronic parking system driving device |
| CN101537827A (en) * | 2008-03-19 | 2009-09-23 | 财团法人车辆研究测试中心 | Driving device of parking system |
| CN102060008A (en) * | 2009-11-10 | 2011-05-18 | 株式会社万都 | Electric parking brake for vehicle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164740A (en) * | 2019-05-31 | 2019-08-23 | 汤楷鹏 | A kind of intelligent air switch and its control method |
| CN110164740B (en) * | 2019-05-31 | 2021-04-27 | 汤楷鹏 | An intelligent air switch and its control method |
| CN112319601A (en) * | 2020-11-11 | 2021-02-05 | 南京依维柯汽车有限公司 | An intelligent driving-by-wire chassis and its control method |
| CN112319601B (en) * | 2020-11-11 | 2025-04-18 | 南京依维柯汽车有限公司 | Intelligent driving wire control chassis and control method thereof |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150211 |