CN202271982U - Antilock system and car - Google Patents
Antilock system and car Download PDFInfo
- Publication number
- CN202271982U CN202271982U CN2011203501615U CN201120350161U CN202271982U CN 202271982 U CN202271982 U CN 202271982U CN 2011203501615 U CN2011203501615 U CN 2011203501615U CN 201120350161 U CN201120350161 U CN 201120350161U CN 202271982 U CN202271982 U CN 202271982U
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- brake
- wheel
- speed signal
- trailing wheel
- electronic controller
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Abstract
The utility model provides an antilock system and a car. The antilock system comprises a controller assembly, four speed sensors, a brake pipeline and a brake main pump, wherein the controller assembly comprises a hydraulic adjusting valve and an electronic controller for controlling the hydraulic adjusting valve to open and to close; the four speed sensors are respectively installed on front wheels and rear wheels, and each speed sensor is connected with the electronic controller; the brake pipeline comprises two front wheel brake pipelines and one rear wheel brake pipeline, wherein both the two front wheel brake pipelines are respectively connected with the hydraulic adjusting valve and the front wheels; one end of the rear wheel brake pipeline is connected with the hydraulic adjusting valve, and the other end is provided with two branch pipelines to be respectively connected with the two rear wheels; and the brake main pump is respectively connected with each brake pipeline and is used for supplying brake oil pressure to the brake pipelines. Independent brake pipelines are arranged to independently control the brake force of the two front wheels, so adhesive attraction of the two front wheels can be adequately used for braking the car, and the direction stability of the car during the brake process can be improved.
Description
Technical field
The utility model relates to the vehicle structure technology, relates in particular to a kind of antiblock device and automobile.
Background technology
Antiblock device is the important component part of brake system of car; Existing most of light buss; For keeping higher relatively coefficient of road adhesion degree of utilization, braking force is controlled and regulated to most antiblock devices that use, the wheel speed information that the brake-pressure regulation device transmits according to the trailing wheel speed sensor; The brake-pressure of control trailing wheel reaches the purpose of avoiding rear lock.
Fig. 1 is the structural representation of antiblock device of the prior art, and is as shown in Figure 1, and antiblock device of the prior art generally comprises hydraulic efficiency governing valve 1, speed sensor 2, electronic controller 3 and brake piping 4; Wherein, Hydraulic efficiency governing valve 1 is arranged in the master brake cylinder 5 and the brake piping 4 between the trailing wheel 6 of brake system, and speed sensor 2 is arranged on the automobile axle 7, links to each other with electronic controller 3; Be used for velocity information is reached electronic controller 3; Electronic controller 3 links to each other with hydraulic efficiency governing valve 1, is used for the unlatching of modulated pressure control cock 1, thereby control is applied to the brake-pressure on the trailing wheel 6.
Antiblock device of the prior art simple in structure, but owing to only the brake-pressure of trailing wheel 6 is controlled, front-wheel 8 possibly take place seized is so the steering operation ability during automobile brake can not get ensureing.
The utility model content
The utility model provides a kind of antiblock device and automobile, and the unstable defective of turning efficiency when solving in the prior art automobile brake is improved the safety and the stability of brake system.
The utility model provides a kind of antiblock device, wherein, comprising:
Control assembly comprises the hydraulic efficiency governing valve and is used for the electronic controller that the modulated pressure control cock opens and closes;
Four speed sensors are installed in respectively on each front and back wheel, and each said speed sensor all links to each other with said electronic controller, the keying of the velocity information modulated pressure control cock that said electronic controller provides according to speed sensor;
Brake piping comprises two front brake circuits and a trailing wheel brake piping, and wherein two front brake circuits link to each other with brake equipment on the front-wheel with the hydraulic efficiency governing valve respectively; One end of trailing wheel brake piping links to each other with the hydraulic efficiency governing valve, and the other end of trailing wheel brake piping has two branch lines, said two branch lines respectively with two trailing wheels on brake equipment link to each other;
Master brake cylinder is connected respectively through the said brake piping of said control assembly and each, is used for to said brake piping braking oil pressure being provided.
Aforesaid antiblock device, wherein, preferably, said electronic controller comprises front-wheel velocity information acquisition module, trailing wheel velocity information acquisition module and computing module, wherein:
Front-wheel velocity information acquisition module is used for receiving respectively the speed signal that the speed sensor of two front-wheels transmits, and the front-wheel speed signal is sent to computing module;
Trailing wheel velocity information acquisition module comprises comparing unit, selected cell and transmitting element, wherein,
Comparing unit is used for the speed signal that the speed sensor of two trailing wheels of comparison transmits;
Selected cell is used for the lower trailing wheel speed signal of speed signal selection speed that transmits from the speed sensor of two trailing wheels;
Transmitting element is used for said lower speed signal is sent to computing module;
Computing module is used for calculating the slip rate that each is taken turns according to said front-wheel speed signal and lower trailing wheel speed signal, is used for the control signal that the modulated pressure control cock opens and closes according to said slip rate output again.
Aforesaid antiblock device wherein, preferably, is provided with apportioning valve or electronic brake force distribution device in the said brake piping, said apportioning valve or electronic brake force distribution device (EBD) are arranged between said master brake cylinder and the said hydraulic efficiency governing valve.
Aforesaid antiblock device, wherein, preferably, said hydraulic efficiency governing valve is captiveed joint with electronic controller and is integral.
The utility model also provides a kind of automobile, wherein, comprises the antiblock device that the utility model provides.
Antiblock device that the utility model provides and automobile are implemented control separately to the braking force of two front-wheels respectively through independent brake piping is set; The adhesive ability that can make full use of two front-wheels is braked automobile, has improved the directional balance of automobile in braking procedure; Utilize simultaneously to hang down and select principle, braking force is controlled according to two lower trailing wheel speed of a motor vehicle of trailing wheel medium velocity, simple and practical, can keep higher relatively coefficient of road adhesion degree of utilization.
Description of drawings
Fig. 1 is the structural representation of antiblock device of the prior art.
The structural representation of the antiblock device that Fig. 2 provides for the utility model embodiment.
Reference numeral:
1-hydraulic efficiency governing valve; The 2-speed sensor; The 3-electronic controller;
The 4-brake piping; The 5-master brake cylinder; The 6-trailing wheel;
The 7-back axle; The 8-front-wheel; The 9-control assembly;
The 41-front brake circuit; 42-trailing wheel brake piping.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of the antiblock device that Fig. 2 provides for the utility model embodiment; The utility model embodiment provides a kind of antiblock device; Comprise control assembly 9, four speed sensors 2, brake piping 4 and master brake cylinder 5; Please be simultaneously with reference to Fig. 1, wherein, control assembly 9 comprises hydraulic efficiency governing valve 1 and is used for the electronic controller 3 that the modulated pressure control cock opens and closes; Four speed sensors 2 are installed in respectively on each front and back wheel, and each speed sensor 2 all links to each other with electronic controller 3, the keying of the velocity information modulated pressure control cock 1 that electronic controller 3 provides according to speed sensor; Brake piping 4 comprises two front brake circuits 41 and a trailing wheel brake piping 42, and wherein two front brake circuits 41 link to each other with brake equipment on the front-wheel 8 with hydraulic efficiency governing valve 1 respectively; One end of trailing wheel brake piping 42 links to each other with hydraulic efficiency governing valve 1, and the other end has two branch lines, two branch lines respectively with two trailing wheels 6 on brake equipment link to each other; Master brake cylinder 5 is connected respectively with each brake piping 4 through control assembly 9, is used for to brake piping 4 braking oil pressure being provided.
The principle of work of above-mentioned antiblock device is following: four speed sensors 2 are passed to electronic controller 3 with the speed signal of each wheel respectively; Draw the slip rate of each wheel through electronic controller 3 computings; According to the oil pressure of each brake piping 4 of slip rate control, regulate the braking force of each wheel through different oil pressure.
In the present embodiment; Electronic controller 3 comprises front-wheel velocity information acquisition module, trailing wheel velocity information acquisition module and computing module; Wherein, Front-wheel velocity information acquisition module is used for receiving respectively the speed signal that the speed sensor of two front-wheels transmits, and the front-wheel speed signal is sent to computing module; Trailing wheel velocity information acquisition module comprises comparing unit, selected cell and transmitting element, and wherein, comparing unit is used for the speed signal that the speed sensor 2 of two trailing wheels 6 of comparison transmits; Selected cell is used for the lower trailing wheel speed signal of speed signal selection speed that transmits from the speed sensor 2 of two trailing wheels 6; Transmitting element is used for lower speed signal is sent to computing module; Computing module is used for calculating the slip rate that each is taken turns according to front-wheel speed signal and lower speed signal, is used for the control signal that the modulated pressure control cock opens and closes according to this slip rate output again.
Automobile is when emergency braking; Very big axle load can take place shift, promptly front axle load increases, the phenomenon that rear axle load reduces; The antiblock device that the utility model embodiment provides is implemented control separately to the braking force of two front-wheels 8; The adhesive ability that can make full use of two front-wheels 8 is braked automobile, helps shortening stopping distance, and road holding obtains very big improvement.The brake-pressure of trailing wheel 6 selects principle to control according to low, and so-called " low choosing " is after that is: the speed signal of two trailing wheels 6 reaches electronic controller 3;, comparing unit and selected cell send to computing module after choosing lower trailing wheel GES; According to lower speed, the control signal that output modulated pressure control cock opens and closes, and correspondingly output and the braking force that matees than low velocity; Said structure is simple and practical, can keep higher relatively coefficient of road adhesion degree of utilization.
Further; In order to improve brake efficiency, shorten stopping distance to a certain extent, improve insensitivity; Apportioning valve or electronic brake force distribution device EBD can be set in the brake piping 4; Particularly, can adopt apportioning valve commonly used of the prior art or electronic brake force distribution device EBD, be arranged between master brake cylinder 5 and the hydraulic efficiency governing valve 1.
Preferably, hydraulic efficiency governing valve 1 captiveed joint with electronic controller 3 be integral, one bonded assembly structure is compact more, is easy to arrange brake piping.
The utility model embodiment also provides a kind of automobile, the antiblock device that provides comprising the utility model any embodiment.
Antiblock device that the utility model embodiment provides and automobile are through controlling separately the brake-pressure of two front-wheels, the brake-pressure of two trailing wheels being come the brake-pressure in the control brake pipeline by the low mode of selecting principle together to control; Reach the Control of Automobile wheel braking force, prevent the controlled target of front and back wheel locking, the perfect safety and the stability of brake system.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (5)
1. an antiblock device is characterized in that, comprising:
Control assembly (9) comprises hydraulic efficiency governing valve (1) and is used for the electronic controller (3) that modulated pressure control cock (1) opens and closes;
Four speed sensors (2); Be installed in respectively on each front and back wheel; Each said speed sensor (2) all links to each other with said electronic controller (3), the keying of the velocity information modulated pressure control cock (1) that said electronic controller (3) provides according to speed sensor (2);
Brake piping (4) comprises two front brake circuits (41) and a trailing wheel brake piping (42), and wherein two front brake circuits (41) link to each other with brake equipment on the front-wheel (8) with hydraulic efficiency governing valve (1) respectively; One end of trailing wheel brake piping (42) links to each other with hydraulic efficiency governing valve (1), and the other end of trailing wheel brake piping (42) has two branch lines, said two branch lines respectively with two trailing wheels (6) on brake equipment link to each other;
Master brake cylinder (5) is connected respectively with each said brake piping (4) through said control assembly (9), is used for to said brake piping (4) braking oil pressure being provided.
2. antiblock device according to claim 1 is characterized in that, said electronic controller (3) comprising: front-wheel velocity information acquisition module, trailing wheel velocity information acquisition module and computing module, wherein,
Front-wheel velocity information acquisition module is used for receiving respectively the speed signal that the speed sensor (2) of two front-wheels (8) transmits, and the front-wheel speed signal is sent to computing module;
Trailing wheel velocity information acquisition module comprises comparing unit, selected cell and transmitting element, wherein,
Comparing unit is used for the speed signal that the speed sensor (2) of two trailing wheels of comparison (6) transmits;
Selected cell is used for the lower trailing wheel speed signal of speed signal selection speed that transmits from the speed sensor (2) of two trailing wheels (6);
Transmitting element is used for said lower trailing wheel speed signal is sent to computing module;
Computing module is used for calculating the slip rate that each is taken turns according to said front-wheel speed signal and lower trailing wheel speed signal, is used for the control signal that the modulated pressure control cock opens and closes according to said slip rate output again.
3. antiblock device according to claim 1 and 2; It is characterized in that; Be provided with apportioning valve or electronic brake force distribution device (EBD) in the said brake piping (4), said apportioning valve or electronic brake force distribution device (EBD) are arranged between said master brake cylinder (5) and the said hydraulic efficiency governing valve (1).
4. antiblock device according to claim 1 and 2 is characterized in that, said hydraulic efficiency governing valve (1) is captiveed joint with electronic controller (3) and is integral.
5. an automobile is characterized in that, comprises the arbitrary described antiblock device of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203501615U CN202271982U (en) | 2011-09-19 | 2011-09-19 | Antilock system and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203501615U CN202271982U (en) | 2011-09-19 | 2011-09-19 | Antilock system and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202271982U true CN202271982U (en) | 2012-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203501615U Expired - Fee Related CN202271982U (en) | 2011-09-19 | 2011-09-19 | Antilock system and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202271982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063442A (en) * | 2012-12-21 | 2013-04-24 | 李萍 | Electronic brake force distribution (EBD) detection system used for automobile instrument |
| CN110053697A (en) * | 2019-04-26 | 2019-07-26 | 湖北启源科技有限公司 | A kind of electric bicycle anti-lock braking system |
-
2011
- 2011-09-19 CN CN2011203501615U patent/CN202271982U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063442A (en) * | 2012-12-21 | 2013-04-24 | 李萍 | Electronic brake force distribution (EBD) detection system used for automobile instrument |
| CN110053697A (en) * | 2019-04-26 | 2019-07-26 | 湖北启源科技有限公司 | A kind of electric bicycle anti-lock braking system |
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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 |
Granted publication date: 20120613 Termination date: 20180919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |