CN201646704U - Electronic parking brake system - Google Patents
Electronic parking brake system Download PDFInfo
- Publication number
- CN201646704U CN201646704U CN2010201607485U CN201020160748U CN201646704U CN 201646704 U CN201646704 U CN 201646704U CN 2010201607485 U CN2010201607485 U CN 2010201607485U CN 201020160748 U CN201020160748 U CN 201020160748U CN 201646704 U CN201646704 U CN 201646704U
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- electromagnetic valve
- control unit
- during standstill
- tonifying
- braking during
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Abstract
The utility model discloses an electronic parking brake system, comprising a parking brake control unit, a wheel speed sensor, an ABS electromagnetic regulating valve, a pedal displacement sensor, an active reinflating electromagnetic valve and a parking brake switch, wherein the ABS electromagnetic regulating valve is used for adjusting braking force of wheels. The parking brake control unit is connected with an engine speed sensor or is connected with a vehicle local area network by a CAN communication bus. The parking brake control unit is used for correspondingly controlling the active reinflating electromagnetic valve and the ABS electromagnetic regulating valve according to received engine speed signals, pedal displacement signals and acceleration signals obtained by processing wheel speed signals after inner processing. The electronic parking brake system has the advantages of reasonable design, low investment cost, simple operation, high intelligence and good using effect and can solve the problems of high technical requirements for drivers, mechanical-system braking force transferring clearance, large difficulty of low-adhesion-coefficient road and hill start operation, and the like existing in the traditional mechanical parking brake system.
Description
Technical field
The utility model relates to a kind of brake system of car, especially relates to a kind of electronic brake system.
Background technology
Along with fast development of urban highway ground and automobile driving speed ground constantly promote, cause automobile driving speed more and more higher, the continuous increase of urban population quantity and automobile pollution ground constantly promote at present in addition, all make chaufeur that the operation control of vehicle is become particularly important.At present, employed traditional emergency brake system needs chaufeur to continue after unclamping braking during standstill, step on brake pedal, slide backward, but need the pedal of stepping on the throttle simultaneously again to prevent vehicle, obtain driving torque to improve engine speed, thereby the requirement of chaufeur is higher relatively.In addition, traditional mechanical type braking during standstill (parking brake) is especially when acclivity is started to walk, need to rely on the driver by discharging hand braking system, need chaufeur to have superb throttle, clutch and brake compounding technique then, come smooth and easy starting and guarantee that vehicle does not slide backward, while is because need carry out brake-force transmission by mechanical system, thereby braking effect is bad.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of electronic brake system is provided, it is reasonable in design, easy-to-connect, cost of investment is low and it is easy and simple to handle to use, intelligent degree height, result of use are good, can effectively solve multiple practical problemss such as the brake-force transmission gap to chaufeur technical requirements height, mechanical system, low adhesion value road surface and uphill starting operation easier that traditional mechanical formula emergency brake system exists are big.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of electronic brake system, it is characterized in that: comprise the braking during standstill control unit, a plurality of join with the braking during standstill control unit respectively and mutually reply be installed in the wheel speed sensors that each the wheel wheel speed on the car body detects in real time, a plurality of ABS solenoid regulated valves of respectively each wheel braking force being adjusted, the pedal displacement sensor that the displacement of Das Gaspedal is detected in real time, control and active tonifying Qi electromagnetic valve that joins with air receiver and the braking during standstill switch that joins with the braking during standstill control unit by the braking during standstill control unit, described pedal displacement sensor and wheel speed sensors all connect the braking during standstill control unit, be communicated with by gas circuit between described active tonifying Qi electromagnetic valve and the described electromagnetic valve, described wheel speed sensors connects the braking during standstill control unit, and the ABS solenoid regulated valve is serially connected in respectively in the compressed air brake cylinder and the air inlet gas circuit between the described electromagnetic valve of each wheel; Described braking during standstill control unit joins with the engine speed sensor that engine speed is detected in real time or by CAN communication bus and installation car body in-to-in vehicle local area network; Described active tonifying Qi electromagnetic valve and ABS solenoid regulated valve all join with the braking during standstill control unit, the braking during standstill control unit according to received engine rotational speed signal, pedal displacement signal and the wheel wheel speed signal is handled resulting acceleration signal and after inter-process mutually reply initiatively tonifying Qi electromagnetic valve and ABS solenoid regulated valve are controlled.
Air receiver and back air receiver before described air receiver comprises, the quantity of described active tonifying Qi electromagnetic valve be two and two initiatively the tonifying Qi electromagnetic valves be respectively the active tonifying Qi electromagnetic valve one that communicates with preceding air receiver and back air receiver and tonifying Qi electromagnetic valve two initiatively; The quantity of described wheel is 6, and 6 wheels comprise wheel and two trailing wheels in two front-wheels, two of the postmedian left and right sides before the car body respectively; Be communicated with by threeway one, threeway two and threeway three respectively between the compressed air brake cylinder of wheel and between the compressed air brake cylinder of two trailing wheels between the compressed air brake cylinder of two front-wheels, in two, described active tonifying Qi electromagnetic valve communicates with braking main valve and threeway one respectively once two-way single-pass electromagnetic valve one, described active tonifying Qi electromagnetic valve two communicates with braking main valve and threeway four respectively through two-way single-pass electromagnetic valve two, threeway four communicates with threeway two and threeway three respectively, and described two-way single-pass electromagnetic valve two communicates with the braking main valve.
Also comprise respectively the braking during standstill status indicator lamp and the warning indicator lamp that join with the braking during standstill control unit.
The utility model compared with prior art has the following advantages:
1, simple and reasonable, easy to connect and use easy and simple to handlely, cost is low.
2, result of use is good, can effectively improve the driveability of vehicle, guarantees the fast starting of vehicle, and improves the manipulative capability of direction of traffic.
3, by with the obtaining of the crosslinked and accelerator pedal position of driving engine, vehicle start made judges accurately and control, improved vehicle safety and reduced requirement chaufeur.
4, take two nargin controls, guarantee the safety of vehicle launch, braking and handling.
5, Control of Automobile engine speed, the fuel economy of raising vehicle.
6, reasonable in design, adopt vehicle actual acceleration and accelerator pedal displacement parameter and engine speed parameter to carry out Comprehensive Control.Principle of work of the present utility model is with identical with the prior mechanical parking brake, the friction force that produces by brake disc and brake facing reaches stopping brake, but essential variation has but taken place in mode, behind electronic control mode, because the instantaneous transmission of car brakeing power has been guaranteed in the brake-force transmission gap of having reduced mechanical system; And because system and car load engine management system are crosslinked, can obtain the vehicle startup machine information, by obtaining the rotating speed of driving engine, position in conjunction with the chaufeur Das Gaspedal, judging whether needs to remove braking during standstill, therefore under the situation that electronic brake system is installed, can avoid vehicle unnecessary sliding backward when uphill starting, avoid unnecessary accident to take place, improve the safety of car load.
7, be highly suitable for using in low adhesion value road surface and the uphill starting process, in the actual mechanical process, the utility model is judged the gradient by acceleration signal and when vehicle starts, by the accelerator pedal displacement sensor, start the communication of tachogen or vehicle local area network (CAN), obtain vehicle motor and become the acceleration rotation by the idling rotation, the vehicle accelerator pedal such as has been subjected to displacement at the information that provides, by calculating relatively, when engine torque during greater than the ground run resisting moment, the automatic release emergency brake system, thereby make the automobile can gentle start, and can not slide backward, very useful for low adhesion value road surface and uphill starting.Even travel in the urban district at ordinary times, as long as enable the electronic brake button, the utility model just can start corresponding automatic parking function, thereby make vehicle when waiting for that red light or uphill/downhill stop, need not a pin touches on the brake or uses parking brake, vehicle remains static all the time, removes quiescence when needs, and only need dub throttle gets final product brake off.Therefore can significantly reduce the labour intensity of chaufeur, thereby realize the purpose of safe driving.
8, applied widely, can be applicable to all kinds vehicle, comprise light card, medium bus and main counterweight card or motor omnibus.
In sum, the utility model is reasonable in design, easy-to-connect, cost of investment is low and it is easy and simple to handle to use, intelligent degree height, result of use are good, can effectively solve the brake-force transmission gap to chaufeur technical requirements height, mechanical system, the low adhesion value road surface that traditional mechanical formula emergency brake system exists and the uphill starting operation easier is big and multiple practical problems such as result of use difference.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is circuit and the schematic diagram of gas circuit of the utility model embodiment 1.
Fig. 2 is circuit and the schematic diagram of gas circuit of the utility model embodiment 2.
Description of reference numerals:
1-braking during standstill control unit; The 2-ABS solenoid regulated valve; The 3-wheel speed sensors;
5-pedal displacement sensor; 6-is the tonifying Qi electromagnetic valve initiatively; The 7-compressed air brake cylinder;
8-threeway one; 9-threeway two; The two-way single-pass electromagnetic valve one of 10-;
The two-way single-pass electromagnetic valve two of 11-; The 12-Das Gaspedal; Air receiver before the 13-;
Air receiver behind the 14-; 15-brakes main valve; 16-threeway four;
17-the near front wheel; The 18-off front wheel; The 19-left center;
20-takes turns in the right side; The 21-left rear wheel; The 22-off hind wheel;
The 23-engine speed sensor; 24-vehicle local area network; 25-braking during standstill switch;
26-threeway three; 27-braking during standstill state refers to the 28-warning indicator lamp.
Show lamp;
The specific embodiment
Embodiment 1
As shown in Figure 1, the utility model comprises braking during standstill control unit 1, a plurality of wheel speed sensors 3 that respectively each the wheel wheel speed that is installed on the car body detected in real time, a plurality ofly join with braking during standstill control unit 1 respectively and tackle the ABS solenoid regulated valve 2 that each wheel braking force is adjusted mutually, the pedal displacement sensor 5 that the displacement of Das Gaspedal 12 is detected in real time, control and active tonifying Qi electromagnetic valve 6 that joins with air receiver and the braking during standstill switch 25 that joins with braking during standstill control unit 1 by braking during standstill control unit 1, described pedal displacement sensor 5 and wheel speed sensors 3 all connect braking during standstill control unit 1, be communicated with by gas circuit between described active tonifying Qi electromagnetic valve 6 and the described electromagnetic valve, described wheel speed sensors 3 connects braking during standstill control unit 1, and ABS solenoid regulated valve 2 is serially connected in respectively in the compressed air brake cylinder 7 and the air inlet gas circuit between the described electromagnetic valve of each wheel.Described braking during standstill control unit 1 joins with the engine speed sensor 23 that engine speed is detected in real time.Described active tonifying Qi electromagnetic valve 6 and ABS solenoid regulated valve 2 all join with braking during standstill control unit 1, braking during standstill control unit 1 according to received engine rotational speed signal, pedal displacement signal and the wheel wheel speed signal is handled resulting acceleration signal and after inter-process mutually reply initiatively tonifying Qi electromagnetic valve 6 and ABS solenoid regulated valve 2 are controlled.
In the present embodiment, air receiver 13 and back air receiver 14 before described air receiver comprises, the quantity of described active tonifying Qi electromagnetic valve 6 be two and two initiatively tonifying Qi electromagnetic valves 6 be respectively the active tonifying Qi electromagnetic valve one that communicates with preceding air receiver 13 and back air receiver 14 and tonifying Qi electromagnetic valve two initiatively.The quantity of described wheel is 6, and 6 wheels comprise wheel and two trailing wheels in two front-wheels, two of the postmedian left and right sides before the car body respectively.Described two front-wheels are respectively in 18, two of the near front wheel 17 and the left rear wheels wheel and are respectively and take turns 20, two trailing wheels in the left center 19 and the right side and be respectively left rear wheel 21 and off hind wheel 22.Be communicated with by threeway 1, threeway 29 and threeway 3 26 respectively between the compressed air brake cylinder 7 of wheel and between the compressed air brake cylinder 7 of two trailing wheels between the compressed air brake cylinder 7 of described two front-wheels, in two, described active tonifying Qi electromagnetic valve communicates with braking main valve 15 and threeway 1 respectively once two-way single-pass electromagnetic valve 1, described active tonifying Qi electromagnetic valve two communicates with braking main valve 15 and threeway 4 16 respectively through two-way single-pass electromagnetic valve 2 11, threeway 4 16 communicates with threeway 29 and threeway 3 26 respectively, and described two-way single-pass electromagnetic valve 2 11 communicates with braking main valve 15.
Simultaneously, the utility model also comprises respectively braking during standstill status indicator lamp 27 and the warning indicator lamp 28 that joins with braking during standstill control unit 1.
In the actual use, when the needs braking during standstill, only need press braking during standstill switch 25, vehicle then can provide long-time stable lock torque automatically; In case chaufeur need start, only need the chaufeur pedal 12 of stepping on the throttle this moment, then 5 of the pedal displacement sensors that 12 displacements detect in real time to Das Gaspedal can be sent to braking during standstill control unit 1 with the accelerator pedal displacement signal that is detected synchronously, the requirement of the starting quickened is arranged by pedal displacement signal perception chaufeur, engine speed sensor 23 is uploaded to braking during standstill control unit 1 synchronously with the engine rotational speed signal that be detected this moment simultaneously, in case engine speed improves or rises, 1 of braking during standstill control unit can be according to engine rotational speed signal and pedal displacement signal and in conjunction with the wheel wheel speed signal being handled resulting acceleration signal (being used to judge the gradient of traveling-position) and being handled computing through internal analysis, draw when engine torque during greater than the ground run resisting moment, braking during standstill control unit 1 realizes that by active tonifying Qi electromagnetic valve 6 and ABS solenoid regulated valve 2 are controlled braking automatically terminates, the brake-pressure of automatic release compressed air brake cylinder 7, thus realize the purpose that acceleration starts to walk.
As shown in Figure 2, in the present embodiment, as different from Example 1: described braking during standstill control unit 1 with by the CAN communication bus with car body in-to-in vehicle local area network 24 be installed joined, promptly obtain engine rotational speed signal by vehicle local area network 24, remainder structure, annexation and principle of work are all identical with embodiment 1.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (3)
1. electronic brake system, it is characterized in that: comprise braking during standstill control unit (1), a plurality of wheel speed sensors (3) that respectively each the wheel wheel speed that is installed on the car body detected in real time, a plurality ofly join with braking during standstill control unit (1) respectively and tackle the ABS solenoid regulated valve (2) that each wheel braking force is adjusted mutually, the pedal displacement sensor (5) that the displacement of Das Gaspedal (12) is detected in real time, control and active tonifying Qi electromagnetic valve (6) that joins with air receiver and the braking during standstill switch (25) that joins with braking during standstill control unit (1) by braking during standstill control unit (1), described pedal displacement sensor (5) and wheel speed sensors (3) all connect braking during standstill control unit (1), be communicated with by gas circuit between described active tonifying Qi electromagnetic valve (6) and the described electromagnetic valve, described wheel speed sensors (3) connects braking during standstill control unit (1), and ABS solenoid regulated valve (2) is serially connected in respectively in the compressed air brake cylinder (7) and the air inlet gas circuit between the described electromagnetic valve of each wheel; Described braking during standstill control unit (1) joins with the engine speed sensor (23) that engine speed is detected in real time or by CAN communication bus and installation car body in-to-in vehicle local area network (24); Described active tonifying Qi electromagnetic valve (6) and ABS solenoid regulated valve (2) all join with braking during standstill control unit (1), braking during standstill control unit (1) according to received engine rotational speed signal, pedal displacement signal and the wheel wheel speed signal is handled resulting acceleration signal and after inter-process mutually reply initiatively tonifying Qi electromagnetic valve (6) and ABS solenoid regulated valve (2) are controlled.
2. according to the described electronic brake system of claim 1, it is characterized in that: described air receiver comprises preceding air receiver (13) and back air receiver (14), the quantity of described active tonifying Qi electromagnetic valve (6) be two and two initiatively tonifying Qi electromagnetic valves (6) be respectively active tonifying Qi electromagnetic valve one and the active tonifying Qi electromagnetic valve two that communicates with preceding air receiver (13) and back air receiver (14); The quantity of described wheel is 6, and 6 wheels comprise wheel and two trailing wheels in two front-wheels, two of the postmedian left and right sides before the car body respectively; Between the compressed air brake cylinder of two front-wheels (7), in two between the compressed air brake cylinder (7) of wheel and between the compressed air brake cylinder (7) of two trailing wheels respectively by threeway one (8), threeway two (9) and threeway three (26) are communicated with, described active tonifying Qi electromagnetic valve communicates with braking main valve (15) and threeway one (8) respectively once two-way single-pass electromagnetic valve one (10), described active tonifying Qi electromagnetic valve two communicates with braking main valve (15) and threeway four (16) respectively through two-way single-pass electromagnetic valve two (11), threeway four (16) communicates with threeway two (9) and threeway three (26) respectively, and described two-way single-pass electromagnetic valve two (11) communicates with braking main valve (15).
3. according to claim 1 or 2 described electronic brake systems, it is characterized in that: also comprise respectively the braking during standstill status indicator lamp (27) and the warning indicator lamp (28) that join with braking during standstill control unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201607485U CN201646704U (en) | 2010-04-15 | 2010-04-15 | Electronic parking brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201607485U CN201646704U (en) | 2010-04-15 | 2010-04-15 | Electronic parking brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201646704U true CN201646704U (en) | 2010-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201607485U Expired - Fee Related CN201646704U (en) | 2010-04-15 | 2010-04-15 | Electronic parking brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201646704U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632882A (en) * | 2012-05-03 | 2012-08-15 | 清华大学 | Electronic air pressure parking braking system of automated mechanical type gear box vehicle and braking method |
| CN104527636A (en) * | 2014-11-19 | 2015-04-22 | 力帆实业(集团)股份有限公司 | Parking brake safety prompting system and prompting method for car |
| CN109229081A (en) * | 2018-10-24 | 2019-01-18 | 苏州齐思智行汽车***有限公司 | Electronic parking system and electronic parking redundancy brake control method |
-
2010
- 2010-04-15 CN CN2010201607485U patent/CN201646704U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632882A (en) * | 2012-05-03 | 2012-08-15 | 清华大学 | Electronic air pressure parking braking system of automated mechanical type gear box vehicle and braking method |
| CN102632882B (en) * | 2012-05-03 | 2013-12-11 | 清华大学 | Electronic air pressure parking braking system of automated mechanical type gear box vehicle and braking method |
| CN104527636A (en) * | 2014-11-19 | 2015-04-22 | 力帆实业(集团)股份有限公司 | Parking brake safety prompting system and prompting method for car |
| CN109229081A (en) * | 2018-10-24 | 2019-01-18 | 苏州齐思智行汽车***有限公司 | Electronic parking system and electronic parking redundancy brake control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Brake caliper assembly for electronic parking braking system of vehicle Effective date of registration: 20150311 Granted publication date: 20101124 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Xi'an King-Truck Electron Co., Ltd. Registration number: 2015990000183 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: XI'AN ZHENGCHANG ELECTRONIC CO., LTD. Free format text: FORMER NAME: ZHENGCHANG ELECTRONIC CO., LTD., XI'AN CITY |
|
| CP03 | Change of name, title or address |
Address after: 710311 Shaanxi city of Xi'an province science and technology industrial base of Qinling Mountains high tech Zone Cottage Road West No. 2 technology enterprise accelerator Park 9 building 10101 Patentee after: XI'AN KING-TRUCK ELECTRON CO., LTD. Address before: 710119 No. 6, new industrial park, hi tech Development Zone, Shaanxi, Xi'an Patentee before: Xi'an King-Truck Electron Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20190415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |