CN205220643U - A footboard sensation simulator for drive -by -wire braking system - Google Patents
A footboard sensation simulator for drive -by -wire braking system Download PDFInfo
- Publication number
- CN205220643U CN205220643U CN201520910220.8U CN201520910220U CN205220643U CN 205220643 U CN205220643 U CN 205220643U CN 201520910220 U CN201520910220 U CN 201520910220U CN 205220643 U CN205220643 U CN 205220643U
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- shell
- pedal sense
- sense simulator
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Abstract
The utility model relates to a footboard sensation simulator for drive -by -wire braking system, footboard sensation simulator is used for receiving corresponding to the hydraulic pressure of footboard effort and provide the footboard sensation to the driver, footboard sensation simulator includes the shell, sets up the piston in the shell, first spring, second spring, be equipped with the end cover on the shell, be equipped with the inlet port on the end cover, two tip of first spring bie are connected with piston and shell, a tip of second spring is connected with the piston, and another tip is the free end, when the compressed, contacts with the shell. Footboard sensation simulator less, the low in manufacturing cost of spare part of simple structure, use has, process convenient advantage.
Description
Technical field
The utility model relates to automobile line control brake system technical field, is specifically related to a kind of pedal sense simulator for line control brake system.
Background technology
On-line Control is moved in system, and suitable brake pedal feel is directly connected to the traveling comfort of car brakeing safety and driver's braking.Improve the effective way of brake feel by design pedal sense simulator, according to the whether adjustable passive type and active of being divided into of treadle effort-stroke characteristic.In active pedal sense simulator, treadle effort-stroke characteristic can set flexibly, comprises control unit and actuating unit, and integrated design has the electron assistant brake system etc. of master cylinder pressurizer and treadle effort compensator.In passive type pedal sense simulator, treadle effort-stroke characteristic is unadjustable, how to be realized by the physical construction of particular design, as by pull back spring and rubber bodies by realizing the simulation of the non-linear pedal sense of Conventional braking systems, and adopt spring assembly in upright arrangement and spring assembly arranged side by side to devise pedal sense simulator respectively, also change cross-sectional flow area to provide suitable brake feel by variable restriction mechanism.
On-line Control is moved in system, and active pedal sense simulator parts are more, complex structure, and its displacement and treadle effort curve need ECU to control according to numerous sensor parameters, and algorithm is complicated, and cost is higher.Passive type pedal sense simulator structure is simply more active, but at present passive type pedal sense simulator parts are still too much, and adopts rubber spring in the majority, rubber spring complex contour, processing difficulties, is easily corroded and aging.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, compact, low cost of manufacture, and better can feed back the pedal sense simulator of suitable pedal sense.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of pedal sense simulator for line control brake system, described pedal sense simulator is for the hydraulic pressure that receives corresponding to pedal effort and provide pedal sense to chaufeur, described pedal sense simulator comprises shell, be arranged at the piston in shell, first spring, second spring, described shell is provided with end cover, described end cover is provided with fuel feed hole, two ends of described first spring are connected with shell with piston respectively, an end of described second spring is connected with piston, another end is free end, when by compression, contact with shell.In pedal sense simulator described in the utility model, power is delivered on brake pedal by the first spring and the second spring jointly, finally feeds back to chaufeur simulation pedal sense.
As preferably, described pedal sense simulator is connected with master brake cylinder by normally closed valve.In order to simplify the inner structure of master brake cylinder, pedal sense simulator independently can be arranged at the outside of master brake cylinder by the utility model.
As preferably, described pedal sense simulator is installed on master brake cylinder inside, and described shell is master brake cylinder housing.
As preferably, described piston is provided with the seal ring with outer casing inner wall close contact, and described seal ring has sealing and directional tagging.
As preferably, described shell is provided with deflation hole, when described deflation hole moves downward for getting rid of piston, and the gas in pedal sense simulator.
The utility model compared with the existing technology has the following advantages and effect:
1, less, the low cost of manufacture of pedal sense simulator structure described in the utility model parts that are simple, that use, easy to process.
2, pedal sense simulator described in the utility model is compared with active pedal sense simulator, and without control unit, reliability is high.
3, pedal sense simulator described in the utility model is compared with passive type pedal sense simulator, avoids the use of rubber spring, overcomes its processing difficulties, is easily corroded and aging defect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of pedal sense simulator described in the utility model.
Fig. 2 is the structural representation that pedal sense simulator described in the utility model is connected with master brake cylinder by normally closed valve.
Fig. 3 is the structural representation of pedal sense simulator described in the utility model under spring uncompressed state.
Fig. 4 is the structural representation of pedal sense simulator described in the utility model under spring-compressed state.
Label declaration: 1, shell; 2, end cover; 3, fuel feed hole; 4, seal ring; 5, the first spring; 6, deflation hole; 7, the second spring; 8, master brake cylinder; 9, brake pedal; 10, pedal sense simulator; 11, normally closed valve; 12, piston.
Detailed description of the invention
Be described in further detail the utility model below in conjunction with embodiment, following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment 1: as shown in Fig. 1 to 2, a kind of pedal sense simulator for line control brake system, described pedal sense simulator 10 is connected with master brake cylinder 8 by normally closed valve 11, described pedal sense simulator 10 comprises shell 1, be arranged at the piston 12 in shell 1, first spring 5, second spring 7, the outside sheathed seal ring 4 with shell 1 inwall close contact of described piston 12, end cover 2 is provided with above described shell 1, described end cover 2 is provided with fuel feed hole 3, two ends of described first spring 5 are connected with bottom piston 12 and shell 1 respectively, an end of described second spring 7 is connected with piston 12, another end is free end, when by compression, touch with shell 1 bottom connection, deflation hole 6 is provided with bottom described shell 1.
As shown in Figure 3, when the pedal sense simulator 10 described in the present embodiment 1 is at non-compressed state, the second spring 5 does not touch with shell 1 bottom connection.
As shown in Figure 2,4, when line control brake system normally works, chaufeur steps on brake pedal 9, ECU controls normally closed valve 11 and opens, braking liquid enters into pedal sense simulator 10 from master brake cylinder 8 by fuel feed hole 3, and promote piston 12 and move downward, piston 12 compresses the first spring 5, second spring 7 moves downward with piston 12, and now pedal sense is only produced by the first spring 5; Piston 12 continues to move downward, and when the other end of the second spring 7 touches bottom shell 1, the second spring 7 is compressed, and now pedal sense is together produced by two spring forces.Move downward in process at piston 12, the gas in pedal sense simulator 10 is discharged by deflation hole 6.
Embodiment 2: as Fig. 1, Fig. 3, shown in Fig. 4, a kind of pedal sense simulator for line control brake system, it is inner that described pedal sense simulator 10 is installed on master brake cylinder 8, described pedal sense simulator 10 comprises piston 12, first spring 5, second spring 7, the outside sheathed seal ring 4 with master brake cylinder 8 inner walls close contact of described piston 12, described master brake cylinder 8 enclosure interior is provided with end cover 2, described end cover 2 is provided with fuel feed hole 3, two ends of described first spring 5 are connected with master brake cylinder 8 housing bottom with piston 12 respectively, an end of described second spring 7 is connected with piston 12, another end is free end, when by compression, contact with master brake cylinder 8 housing bottom, described master brake cylinder 8 housing bottom is provided with deflation hole 6.
When line control brake system normally works, chaufeur steps on brake pedal 9, braking liquid enters into pedal sense simulator 10 from the fuel feed hole 3 end cover 2, promote piston 12 to move downward, piston 12 compresses the first spring 5, second spring 7 moves downward with piston 12, and now pedal sense is only produced by the first spring 5; Piston 12 continues to move downward, and when the other end of the second spring 7 touches master brake cylinder 8 housing bottom, the second spring 7 is compressed, and now pedal sense is together produced by two spring forces.Move downward in process at piston 12, the gas in pedal sense simulator 10 is discharged by deflation hole 6.
The present embodiment 1, brake pedal feel simulator structure described in embodiment 2 parts that are simple, that use are less, low cost of manufacture, easy to process, compared with active pedal sense simulator, without control unit, reliability is high, compared with passive type pedal sense simulator, avoids the use of rubber spring, overcome its processing difficulties, be easily corroded and aging defect.
In addition, it should be noted that, the specific embodiment described in this specification sheets, the shape, institute's title of being named etc. of its parts and components can be different.All equivalences of doing according to structure, feature and the principle described in the utility model inventional idea or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (5)
1. the pedal sense simulator for line control brake system, described pedal sense simulator (10) is for the hydraulic pressure that receives corresponding to pedal effort and provide pedal sense to chaufeur, it is characterized in that, described pedal sense simulator (10) comprises shell (1), be arranged at the piston (12) in shell (1), first spring (5), second spring (7), described shell (1) is provided with end cover (2), described end cover (2) is provided with fuel feed hole (3), two ends of described first spring (5) are connected with shell (1) with piston (12) respectively, an end of described second spring (7) is connected with piston (12), another end is free end, when by compression, contact with shell (1).
2. the pedal sense simulator for line control brake system according to claim 1, is characterized in that, described pedal sense simulator (10) is connected with master brake cylinder (8) by normally closed valve (11).
3. the pedal sense simulator for line control brake system according to claim 1, it is characterized in that, it is inner that described pedal sense simulator (10) is installed on master brake cylinder (8), and described shell (1) is master brake cylinder (8) housing.
4. the pedal sense simulator for line control brake system according to Claims 2 or 3, is characterized in that, described piston (12) is provided with the seal ring (4) with shell (1) inwall close contact.
5. the pedal sense simulator for line control brake system according to claim 4, is characterized in that, described shell (1) is provided with deflation hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910220.8U CN205220643U (en) | 2015-11-16 | 2015-11-16 | A footboard sensation simulator for drive -by -wire braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910220.8U CN205220643U (en) | 2015-11-16 | 2015-11-16 | A footboard sensation simulator for drive -by -wire braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205220643U true CN205220643U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520910220.8U Expired - Fee Related CN205220643U (en) | 2015-11-16 | 2015-11-16 | A footboard sensation simulator for drive -by -wire braking system |
Country Status (1)
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| CN (1) | CN205220643U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139904A (en) * | 2017-04-07 | 2017-09-08 | 江苏理工学院 | A kind of brake feel has the adjustable brake treadle mechanism of level |
| CN107139905A (en) * | 2017-04-07 | 2017-09-08 | 江苏理工学院 | A kind of two-stage pedal sense simulator and its automobile brake pedal mechanism |
| CN107139902A (en) * | 2017-04-07 | 2017-09-08 | 江苏理工学院 | A kind of adjustable pedal sense simulator and its automobile brake pedal mechanism |
| CN107161121A (en) * | 2017-04-07 | 2017-09-15 | 江苏理工学院 | A kind of three stage pedal sense simulators and its automobile brake pedal mechanism |
| CN107170346A (en) * | 2017-05-24 | 2017-09-15 | 李伟男 | A kind of braking pedal and sense simulator for driving simulator |
| CN107199999A (en) * | 2017-06-28 | 2017-09-26 | 芜湖伯特利汽车安全系统股份有限公司 | Master cylinder and its brakes |
| CN108036021A (en) * | 2017-12-12 | 2018-05-15 | 无锡市盛源汽车配件厂 | Possesses the piston rod of shock absorber for vehicles of duplicate protection spring |
| CN110027525A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | For the pedal sense simulator of vehicle and with its vehicle |
| CN110027531A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | For the pedal sense simulator of vehicle and with its vehicle |
| CN110027522A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | Pedal simulator, line control brake system and vehicle |
| CN110562226A (en) * | 2019-07-10 | 2019-12-13 | 京西重工（上海）有限公司 | Pedal feel simulator and brake-by-wire system |
| CN110962825A (en) * | 2019-11-19 | 2020-04-07 | 南京航空航天大学 | Disc type brake-by-wire system based on magnetostrictive material and control method thereof |
| GB2579782A (en) * | 2018-12-13 | 2020-07-08 | Continental Automotive Romania Srl | Adjustable closing cover |
| CN112849107A (en) * | 2021-02-25 | 2021-05-28 | 吉林大学 | Hierarchical brake pedal simulator |
| CN114506304A (en) * | 2020-11-17 | 2022-05-17 | 大陆泰密克汽车系统（上海）有限公司 | Pedal feel simulation device, electronic hydraulic brake system and motor vehicle |
-
2015
- 2015-11-16 CN CN201520910220.8U patent/CN205220643U/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161121B (en) * | 2017-04-07 | 2019-08-23 | 江苏理工学院 | Three stage pedal sense simulators of one kind and its automobile brake pedal mechanism |
| CN107139905A (en) * | 2017-04-07 | 2017-09-08 | 江苏理工学院 | A kind of two-stage pedal sense simulator and its automobile brake pedal mechanism |
| CN107139902A (en) * | 2017-04-07 | 2017-09-08 | 江苏理工学院 | A kind of adjustable pedal sense simulator and its automobile brake pedal mechanism |
| CN107161121A (en) * | 2017-04-07 | 2017-09-15 | 江苏理工学院 | A kind of three stage pedal sense simulators and its automobile brake pedal mechanism |
| CN107139904A (en) * | 2017-04-07 | 2017-09-08 | 江苏理工学院 | A kind of brake feel has the adjustable brake treadle mechanism of level |
| CN107139904B (en) * | 2017-04-07 | 2019-09-10 | 江苏理工学院 | A kind of brake feel has the adjustable brake treadle mechanism of grade |
| CN107139902B (en) * | 2017-04-07 | 2019-08-27 | 江苏理工学院 | A kind of adjustable pedal sense simulator and its automobile brake pedal mechanism |
| CN107139905B (en) * | 2017-04-07 | 2019-08-27 | 江苏理工学院 | A kind of two-stage pedal sense simulator and its automobile brake pedal mechanism |
| CN107170346A (en) * | 2017-05-24 | 2017-09-15 | 李伟男 | A kind of braking pedal and sense simulator for driving simulator |
| CN107199999A (en) * | 2017-06-28 | 2017-09-26 | 芜湖伯特利汽车安全系统股份有限公司 | Master cylinder and its brakes |
| CN108036021A (en) * | 2017-12-12 | 2018-05-15 | 无锡市盛源汽车配件厂 | Possesses the piston rod of shock absorber for vehicles of duplicate protection spring |
| CN110027531B (en) * | 2018-01-12 | 2021-09-03 | 比亚迪股份有限公司 | Pedal feel simulator for vehicle and vehicle with same |
| CN110027531A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | For the pedal sense simulator of vehicle and with its vehicle |
| CN110027525A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | For the pedal sense simulator of vehicle and with its vehicle |
| CN110027522B (en) * | 2018-01-12 | 2021-09-21 | 比亚迪股份有限公司 | Pedal simulator, brake-by-wire system and vehicle |
| CN110027522A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | Pedal simulator, line control brake system and vehicle |
| CN110027525B (en) * | 2018-01-12 | 2021-09-03 | 比亚迪股份有限公司 | Pedal feel simulator for vehicle and vehicle with same |
| GB2579782A (en) * | 2018-12-13 | 2020-07-08 | Continental Automotive Romania Srl | Adjustable closing cover |
| US11124165B2 (en) | 2019-07-10 | 2021-09-21 | Bwi (Shanghai) Co., Ltd. | Pedal free emulator and brake-by-wire system |
| CN110562226A (en) * | 2019-07-10 | 2019-12-13 | 京西重工（上海）有限公司 | Pedal feel simulator and brake-by-wire system |
| CN110962825A (en) * | 2019-11-19 | 2020-04-07 | 南京航空航天大学 | Disc type brake-by-wire system based on magnetostrictive material and control method thereof |
| CN110962825B (en) * | 2019-11-19 | 2023-12-29 | 南京航空航天大学 | Disk type linear control braking system based on magnetostrictive material and control method thereof |
| CN114506304A (en) * | 2020-11-17 | 2022-05-17 | 大陆泰密克汽车系统（上海）有限公司 | Pedal feel simulation device, electronic hydraulic brake system and motor vehicle |
| CN112849107A (en) * | 2021-02-25 | 2021-05-28 | 吉林大学 | Hierarchical brake pedal simulator |
| CN112849107B (en) * | 2021-02-25 | 2022-03-08 | 吉林大学 | Hierarchical brake pedal simulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20181116 |