CN202518257U - Device for shortening braking distance of automobile - Google Patents
Device for shortening braking distance of automobile Download PDFInfo
- Publication number
- CN202518257U CN202518257U CN2012200448211U CN201220044821U CN202518257U CN 202518257 U CN202518257 U CN 202518257U CN 2012200448211 U CN2012200448211 U CN 2012200448211U CN 201220044821 U CN201220044821 U CN 201220044821U CN 202518257 U CN202518257 U CN 202518257U
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- China
- Prior art keywords
- relay
- tire pressure
- lead
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- automobile
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- Expired - Fee Related
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Abstract
The utility model relates to a device for shortening the braking distance of an automobile. By the device, an aim of shortening the braking device is fulfilled by increasing the contact area of tyres of the automobile in the braking state and the ground through automatic deflation. A controller of the device consists of a first relay and a second relay which have inverse working principles, wherein a control system formed by the two relays, an electronic control device of an anti-lock brake system (ABS) and an automobile tire pressure monitor system (TPMS) controls an electromagnetic switch arranged on a brake caliper and the switch-on and switch-off of an electric control air valve arranged in a tyre under the set condition; and by the control system, a phenomenon that the tyre bursts can be avoided by automatically reducing the tire pressure.
Description
Technical field
The utility model is a kind of shortening braking automobile distance means, can realize that automobile in case of emergency shortens braking distance, and can also prevent automobile flat tire.
Background technology
In prior art, automobile ABS anti-lock braking system and TPMS automotive tyre pressure monitoring system all are now very common.The ABS anti-lock braking system can make the wheel can locking under the situation of the pedal that touches on the brake resolutely, reaches the maximum frictional force of tire.TPMS automotive tyre pressure monitoring system can monitor tire pressure in real time, realizes the too high and low excessively warning of tire pressure.
Summary of the invention
The purpose of the utility model is to make automobile under the ABS service condition, to shorten braking distance, prevents tyre explosion, thereby improves the safety performance of automobile.
According to the technical scheme that the utility model provides, mechanism comprises: ABS electronic control package, first relay, second relay, tire pressure monitoring system main frame, electromagnetic switch, wire loop, electric control valve, built-in tire pressure sensor, wheel hub, brake clamp.First relay links to each other with the ABS electronic control package through first lead, links to each other with the tire pressure monitoring system main frame through the 8th lead, links to each other with second relay through second lead; Second relay links to each other with the tire pressure monitoring system main frame through privates, links to each other with electromagnetic switch through privates; Wire loop links to each other with electric control valve through the 5th lead; Electric control valve links to each other with the built-in tire pressure sensor through the 6th lead; In the perforate of wheel hub inner chamber electric control valve is installed, electromagnetic switch is installed on the brake clamp, and wire loop is installed in the outside inboard by the brake clamp of automotive hub, and is corresponding with electromagnetic switch.
The automobile ABS anti-lock braking system is very little work under general brake situation, has only when chaufeur to run into emergency situation, touches on the brake resolutely, when tire is wanted locking, just works.The braking automobile distance is to determine that by tire and ground maximum static friction force what same environmental conditions was made decision the automobile maximum static friction force is: the friction coefficient between automotive dead weight, ground and the tire, tire and ground-surface area of contact.It is impossible that friction coefficient under the same environmental conditions between automotive dead weight, ground and the tire is want to change in moment, has only the area of contact that increases ground and tire could shorten braking distance.The area of contact of wanting to increase ground and tire has only through reducing tire pressure increases area of contact.Most of automotive tire pressure generally is 2.5kg/cm
2, tire pressure is minimum generally can to arrive 1kg/cm
2About, when tire pressure arrives 1kg/cm
2During the left and right sides, tire and ground-surface area of contact can increase much, and concrete every kind of tire of pressure minimum is slightly different.
The utility model is simple in structure, science, feasible; Can shorten the braking distance of automobile under the emergency braking situation, and prevent to blow out.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is installed in the schematic side view on the wheel hub for built-in tire pressure sensor and electric control valve.
Fig. 3 is installed in the front elevational schematic on the wheel hub for built-in tire pressure sensor and electric control valve.
The specific embodiment
Following the utility model will combine the embodiment in the accompanying drawing to further describe:
The utility model mainly is made up of ABS electronic control package 1, first relay 2, second relay 3, tire pressure monitoring system main frame 4, electromagnetic switch 5, wire loop 6, electric control valve 7, built-in tire pressure sensor 8, first lead 9, second lead 10, privates 11, privates 12, the 5th lead 13, the 6th lead 14, the 7th lead 15, automobile power source 16, wheel hub 17, brake clamp 18, tire 19, axletree 20, the 8th lead 21.
The utility model concrete structure: on ABS electronic control package 1 control path, draw a power lead and come out; Link to each other with one of them terminals of control circuit of first relay 2 through first lead 9; Another terminals bonding of first relay, 2 control circuits; The output circuit conducting under the state of control circuit energising of first relay 2; One of them terminals of the output circuit of first relay 2 link to each other with automobile power source 16 through the 7th lead, and another terminals link to each other with the output circuit of second relay 3 through second lead 10.The control circuit of second relay 3 breaks off with output circuit under the state of energising, and is opposite with the first relay principle of work.On tire pressure monitoring system main frame 4 low pressure alarming circuit, drawing a power lead comes out; Link to each other with one of them terminals of second relay, 3 control circuits through privates 12; Another terminals bonding of the control circuit of second relay 3; One of them terminals of second relay, 3 output circuits link to each other with electromagnetic switch 5 through privates 11, the other end with link to each other with the output circuit of first relay 2.Electromagnetic switch 5 is installed on the brake clamp 18, minus earth, and electromagnetic switch 5 has the telescopic head of electromagnetic control, is graphite, connects privates 11.Wire loop 6 tape insulation foundation rings and the 5th lead 13; Wire loop 6 is fixed on wheel hub 17 outside inboards by brake clamp 18, and is corresponding with electromagnetic switch 5, with wheel hub 17 insulation; Wire loop 6 with the 5th lead 13 pass wheel hub 17 and get into wheel hubs 17 inner chambers, with wheel hub 17 insulation and carry out sealing.Wheel hub 17 has the hole, and electric control valve 7 is installed in wheel hub 17 inner chambers, and air extractor duct is carried out sealing in perforate, and electric control valve 7 negative poles just are connected on the wheel hub 17, equal bonding, and anodal the 5th lead 13 that passes through links to each other with wire loop 6.The positive pole of electric control valve 7 links to each other with built-in tire pressure sensor 8 through the 6th lead 14.On tire pressure monitoring system main frame 4 alarm for high voltage circuit, draw a power lead and come out, link to each other with control circuit with first relay 2 through the 8th lead 21.
Principle of work of the utility model and working process:
In instance shown in Figure 1, when under the situation of automobile emergency braking, the ABS system starts working; Power supply is through the control circuit of first lead, 9 connections, first relay 2, and automobile power source just passes to the output loop of second relay 3 through first relay 2 and second lead 10, and the output circuit of second relay 3 is because be on-state under the cold state of control circuit; Automobile power source just is sent to electromagnetic switch 5 through privates 11, and electromagnetic switch 5 is work just, and graphite head is charged and stretch out; Graphite head touches wire loop 6, and automobile power source is sent to electric control valve 7 through the 5th lead 13, and electric control valve 7 is worked immediately; Open air valve, the gas that tire is 19 li is discharged fast, and tire pressure descends at once; Tire 19 becomes big with ground-surface area of contact, and friction force increases, thereby shortens braking distance.The venting aperture efficiency valve inside diameter of electric control valve 7 is much bigger, and venting speed is very fast.It is in order to give the built-in tire pressure sensor 8 chargings that electric control valve 7 transmits built-in tire pressure sensor 8 through the 6th lead with power supply.
Built-in tire pressure sensor 8 can be transferred to tire pressure monitoring system main frame 4 by real-time data wireless with tire pressure; When tire pressure dropped to low pressure alarming numerical value, tire pressure monitoring system main frame 4 was just connected the low pressure alarming circuit, through privates 12 second relay, 3 control circuits was connected; Second relay, 3 output circuits just break off; Whole pull up circuit is broken off, and electric control valve 7 is closed immediately, stops venting.Alleviate when dangerous situation, chaufeur loosens brake pedal, and ABS quits work, and pull up circuit breaks off, and electric control valve 7 also is to stop venting.
When tire pressure monitoring system main frame 4 monitors tire pressure when reaching alarm for high voltage numerical value, tire pressure monitoring system main frame 4 is just connected the alarm for high voltage circuit, makes first relay, 2 control circuit energized through the 8th lead 21; Thereby connect the output loop of first relay 2; Make electric control valve 7 open air valve venting at last, when tire pressure drops to when being lower than alarm for high voltage numerical value, tire pressure monitoring system main frame 4 just breaks off the alarm for high voltage circuit; Thereby make electric control valve 7 close gas check valve, stop venting.
Claims (2)
1. one kind is shortened the braking automobile distance means, it is characterized in that adopting ABS electronic control package (1), first relay (2), second relay (3), tire pressure monitoring system main frame (4), electromagnetic switch (5), wire loop (6), electric control valve (7), built-in tire pressure sensor (8), wheel hub (17), brake clamp (18) to constitute; First relay (2) links to each other with ABS electronic control package (1) through first lead (9), links to each other with tire pressure monitoring system main frame (4) through the 8th lead (21), links to each other with second relay (3) through second lead (10); Second relay (3) links to each other with tire pressure monitoring system main frame (4) through privates (12), links to each other with electromagnetic switch (5) through privates (11); Wire loop (6) links to each other with electric control valve (7) through the 5th lead (13); Electric control valve (7) links to each other with built-in tire pressure sensor (8) through the 6th lead (14); In wheel hub (17) inner chamber perforate electric control valve (7) is installed, electromagnetic switch (5) is installed on the brake clamp (18), and wire loop (6) is installed in the outside inboard by brake clamp (18) of automotive hub (17), and is corresponding with electromagnetic switch (5).
2. a kind of shortening braking automobile distance means according to claim 1 is characterized in that: said first relay (2) and second relay (3) are 2 relays that principle of work is opposite, the controller of component devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200448211U CN202518257U (en) | 2012-02-13 | 2012-02-13 | Device for shortening braking distance of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200448211U CN202518257U (en) | 2012-02-13 | 2012-02-13 | Device for shortening braking distance of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202518257U true CN202518257U (en) | 2012-11-07 |
Family
ID=47101219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200448211U Expired - Fee Related CN202518257U (en) | 2012-02-13 | 2012-02-13 | Device for shortening braking distance of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202518257U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442225A (en) * | 2014-11-08 | 2015-03-25 | 董超 | Automobile body system with chassis having stress sensor |
| CN107962914A (en) * | 2017-11-15 | 2018-04-27 | 北京汽车股份有限公司 | For vehicle vehicle wheel component and there is its vehicle |
| CN109305147A (en) * | 2018-10-24 | 2019-02-05 | 西安航空制动科技有限公司 | Airborne brake air cooling system and its control method with automatic control function |
-
2012
- 2012-02-13 CN CN2012200448211U patent/CN202518257U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442225A (en) * | 2014-11-08 | 2015-03-25 | 董超 | Automobile body system with chassis having stress sensor |
| CN107962914A (en) * | 2017-11-15 | 2018-04-27 | 北京汽车股份有限公司 | For vehicle vehicle wheel component and there is its vehicle |
| CN107962914B (en) * | 2017-11-15 | 2019-12-10 | 北京汽车股份有限公司 | Wheel assembly for vehicle and vehicle with wheel assembly |
| CN109305147A (en) * | 2018-10-24 | 2019-02-05 | 西安航空制动科技有限公司 | Airborne brake air cooling system and its control method with automatic control function |
| CN109305147B (en) * | 2018-10-24 | 2023-07-07 | 西安航空制动科技有限公司 | Airborne brake air cooling system with automatic control function and control method thereof |
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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: 20121107 Termination date: 20150213 |
|
| EXPY | Termination of patent right or utility model |