CN202345405U - Vehicle rollover preventing automatic deceleration system on curve - Google Patents
Vehicle rollover preventing automatic deceleration system on curve Download PDFInfo
- Publication number
- CN202345405U CN202345405U CN2011204651732U CN201120465173U CN202345405U CN 202345405 U CN202345405 U CN 202345405U CN 2011204651732 U CN2011204651732 U CN 2011204651732U CN 201120465173 U CN201120465173 U CN 201120465173U CN 202345405 U CN202345405 U CN 202345405U
- Authority
- CN
- China
- Prior art keywords
- control unit
- electrically connected
- vehicle
- curve
- converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The utility model belongs to the safe driving field, and discloses a vehicle rollover preventing automatic deceleration system on a curve. The vehicle rollover preventing automatic deceleration system on the curve comprises a throttle control unit, a vehicle speed sensor (VSS), a main control unit, a tire pressure sensor, an analog-to-digital converter (ADC) and an indicator light, wherein the main control unit is used to analyze and compare data of air pressure of wheels and to control a throttle position; the tire pressure sensor is used to collect the air pressure of tires; the ADC is used to convert pressure signals to digital signals; and the indicator light is used to warn a driver to decelerate on the curve. According to the vehicle rollover preventing automatic deceleration system on the curve, the air pressure change of the vehicle tires on the curve during a high speed driving is monitored in real time; an engine is controlled to reduce output power so as to achieve automatic deceleration; the vehicle rollover is prevented; and lives and property of drivers and passengers are guaranteed. The vehicle rollover preventing automatic deceleration system on the curve has the advantages of being simple in structure, reliable in monitoring data, and timely in analytical judgment and deceleration.
Description
Technical field
The utility model belongs to the safe driving field, is specifically related to a kind of vehicle bend anti-rollover automatic speed reducing system.
Background technology
Along with developing rapidly of auto-industry, the quantity of automobile increases rapidly, and the average ground speed of automobile has also had large increase, has also brought many safety problems thus, for example the vehicle rollover that causes of bend hypervelocity etc.Data shows along with the developing rapidly of transportation, because the traffic accident that vehicle rollover causes constantly increases.Vehicle side turning is meant that automobile rotates 90 ° or bigger angle around its longitudinal axis in the process of moving, so that the sideway movement of the contacted a kind of danger of vehicle body and ground.The factor that possibly cause vehicle side turning is a lot, comprises car speed, vehicle structure, chaufeur and road conditions etc., and wherein car speed is a main factor.When automobile went on bend, if speed is too high, the lateral acceleration of automobile surpassed certain limit value, and the vertical reaction that causes the inboard wheel of automobile is zero, and automobile just has the danger that rollover takes place.The car crash often of the consequence of vehicle side turning brings cataphoretic failure for the people's lives and properties.Therefore, day by day important for the research of vehicle side turning.
Summary of the invention
The purpose of the utility model is to provide a kind of vehicle bend anti-rollover automatic speed reducing system; Can be in the pressure variation situation of running at high speed when the bend through the monitoring motor tire; The control driving engine reduces horsepower output; Reach the purpose of vehicle automatic deceleration, avoid vehicle rollover, ensure driver and crew's safety of life and property.
In order to achieve the above object, the utility model adopts following technical scheme to be achieved.
A kind of vehicle bend anti-rollover automatic speed reducing system; Comprise throttle valve control unit; Car speed sensor also comprises the tyre pressure sensor that is used to gather tire pressure, is used to realize that the tire pressure signal converts the A/D converter of digital signal to; Be used to analyze the main control unit of contrast air pressure data and control throttle opening, be used to the indicator lamp of pointing out motorist's bend to slow down.
Said control unit adopts 8 CMOS micro controller systems; Be installed in the machine box; Its input port P2.0, P2.1, P2.2, P2.3 through A/D converter respectively the mouth of the tyre pressure sensor identical with four structures be electrically connected; Input port P2.4 is electrically connected with the mouth of car speed sensor, and output port P1.0 is electrically connected with the input end of throttle valve control unit, and output port P1.1 is electrically connected the control end of switching tube of break-make indicator lamp.
Said tyre pressure sensor adopts four circumscribed tire pressure sensings that structure is identical, is installed on respectively on four tires of automobile on the valve, and its mouth is electrically connected with the input end of A/D converter.
Said A/D converter is four analog signal converters that structure is identical; Be installed in the machine box with main control unit; Its input end be electrically connected with the mouth of four tyre pressure sensors respectively, output port is electrically connected with input port P2.0, P2.1, P2.2, the P2.3 of main control unit respectively.
Said car speed sensor adopts the sensor of autogamy A/D converter, is installed on the output shaft of gear-box, and its mouth is electrically connected with the input port P2.4 of control unit.
Said indicator lamp is the LED lamp, is installed on the automobile instrument panel top, its input end tandem tap pipe.
Because the utility model has adopted real-time monitoring motor tire to be in the pressure variation situation of running at high speed when bend; The control driving engine reduces horsepower output; Reach the purpose of vehicle automatic deceleration, avoid vehicle rollover, ensure driver and crew's safety of life and property; The utlity model has that simple in structure, monitoring data is reliable, analysis and judgement and the characteristics timely of slowing down.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Among the figure, 1 is tyre pressure sensor, and 2 is mould/number signal converter, and 3 is car speed sensor, and 4 is main control unit, and 5 is throttle valve control unit, and 6 is indicator lamp, and 7 is switching valve.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is further described.
With reference to Fig. 1; A kind of vehicle bend anti-rollover automatic speed reducing system comprises throttle valve control unit 5, is used for the car speed sensor 3 of collection vehicle speed; Also comprise the tyre pressure sensor 1 that is used to gather tire pressure; Be used to realize that the tire pressure signal converts the A/D converter 2 of digital signal to, be used to analyze the main control unit 4 of contrast air pressure data and control throttle opening, be used to the indicator lamp 6 of pointing out motorist's bend to slow down;
Said main control unit 4 adopts 8 CMOS micro controller systems; Be installed in the machine box; Its input port P2.0, P2.1, P2.2, P2.3 through A/D converter 2 respectively the mouth of the tyre pressure sensor identical with four structures be electrically connected; Input port P2.4 is electrically connected with the mouth of car speed sensor 3, and output port P1.0 is electrically connected with the input end of throttle valve control unit 5, and output port P1.1 is electrically connected with indicator lamp 6 through the control end of switching valve 7; Said tyre pressure sensor 1 adopts four circumscribed tire pressure sensings that structure is identical, is installed on respectively on four cranked tire valves of automobile, and its mouth is electrically connected with the input end of A/D converter 2; Said A/D converter 2 is four analog signal converters that structure is identical; Be installed in the machine box with main control unit 4; Its input end be electrically connected with the mouth of four tyre pressure sensors 1 respectively, output port is electrically connected with input port P2.0, P2.1, P2.2, the P2.3 of main control unit 4 respectively; Said car speed sensor 3 adopts the sensor of autogamy A/D converter), be installed on the output shaft of gear-box, its mouth is electrically connected with the input port P2.4 of main control unit 4; Said indicator lamp 6 is LED, is installed on the automobile instrument panel top, and its input end is electrically connected in series through the mouth of switching valve 7 and the output port P1.1 of main main control unit 4.
The principle of work of the utility model is such:
Tire pressure P when at first, this device is measured no-load earlier
0, the threshold value of outside tire, back outside tire, preceding inside tire, back inside tire air pressure is respectively P before setting
Outer 1, P
Outer 3, P
Interior 2With, P
Interior 4, wherein: P
Outer 1=P
0+ (P
10-P
0) * 25%, P
Outer 3=P
0+ (P
30-P
0) * 25%, P
Interior 2=P
0+ (P
20-P
0) * 25%, P
Interior 4=P
0+ (P
40-P
0) * 25%.Main control unit 4 registration of vehicle get into the atmospheric pressure value P of preceding each tire of bend
10, P
20, P
30And P
40, after vehicle got into bend, four tire pressures of tire pressure sensing collection were respectively P
1, P
2, P
3And P
4, after mould/number signal converter 2 is transformed into digital signal, pass to main control unit 4, set in the control program: P
2＜P
Interior 2, P
4＜P
Interior 4, and P
1＞P
Outer 1, P
3＞P
Outer 3, the precarious position that possibly turn on one's side for vehicle.Real-time tire pressure data control that 4 need of main control unit will be collected and setting value comparative analysis can be judged the current state that whether is in easy generation rollover of vehicle; And impose a condition according to above-mentioned; Send for throttle valve control unit 5 and reduce the throttle opening impulse singla; To reduce engine output, reduce the speed of a motor vehicle; Controlling indicator lamp 6 flickers simultaneously reports to the police.When driving vehicle during from above-mentioned recovering state to normal condition; Main control unit 4 sends and the impulse singla that reduces the open the engine of throttle opening impulse singla equivalent for throttle valve control unit 5; Make vehicle return to the cruising state rapidly; Close indicator lamp 6 simultaneously, cancellation is reported to the police and is glimmered.
When vehicle is not when being in the precarious position that will turn on one's side, i.e. P
2＜P
Interior 2, P
4＜P
Interior 4, and P
1＞P
Outer 1, P
3＞P
Outer 3When being false, main control unit 4 control indicator lamps 6 are in closed condition, send also for throttle valve control unit 5 and reduce the throttle opening impulse singla, and throttle gate maintains the original state, normal vehicle operation.
It is to be noted; In this process; The vehicle real-time speed size decision that main control unit 4 is gathered according to the car speed sensor that receives 3 sends the quantity that reduces the throttle opening impulse singla for throttle valve control unit 5; Velocity amplitude is big more, and the number of pulses of transmission is many more, and promptly the aperture of throttle gate is more little.The speed of a motor vehicle threshold values that present embodiment is set is 60km/h.
In the present embodiment, what main control unit 4 adopted is the micro controller system with pulse generation program, can produce required pulse, and directly inputs to the aperture that throttle valve control unit 5 is regulated throttle gate.
Claims (6)
1. vehicle bend anti-rollover automatic speed reducing system; Comprise throttle valve control unit, car speed sensor is characterized in that; Also comprise the tyre pressure sensor that is used to gather tire pressure; Be used to realize that the tire pressure signal converts the A/D converter of digital signal to, be used to analyze the main control unit of contrast air pressure data and control throttle opening, be used to the indicator lamp of pointing out motorist's bend to slow down.
2. a kind of vehicle bend anti-rollover automatic speed reducing system according to claim 1; It is characterized in that; Said control unit adopts 8 CMOS micro controller systems; Be installed in the machine box, its input port P2.0, P2.1, P2.2, P2.3 through A/D converter respectively the mouth of the tyre pressure sensor identical with four structures be electrically connected, input port P2.4 is electrically connected with the mouth of car speed sensor; Output port P1.0 is electrically connected with the input end of throttle valve control unit, and output port P1.1 is electrically connected the control end of switching tube of break-make indicator lamp.
3. a kind of vehicle bend anti-rollover automatic speed reducing system according to claim 1; It is characterized in that; Said tyre pressure sensor adopts four circumscribed tire pressure sensings that structure is identical; Be installed on respectively on four tires of automobile on the valve, its mouth is electrically connected with the input end of A/D converter.
4. a kind of vehicle bend anti-rollover automatic speed reducing system according to claim 1; It is characterized in that; Said A/D converter is four analog signal converters that structure is identical; Be installed in the machine box with main control unit, its input end be electrically connected with the mouth of four tyre pressure sensors respectively, output port is electrically connected with input port P2.0, P2.1, P2.2, the P2.3 of main control unit respectively.
5. a kind of vehicle bend anti-rollover automatic speed reducing system according to claim 1; It is characterized in that; Said car speed sensor adopts the sensor of autogamy A/D converter, is installed on the output shaft of gear-box, and its mouth is electrically connected with the input port P2.4 of control unit.
6. a kind of vehicle bend anti-rollover automatic speed reducing system according to claim 1 is characterized in that said indicator lamp is the LED lamp, is installed on the automobile instrument panel top, its input end tandem tap pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204651732U CN202345405U (en) | 2011-11-21 | 2011-11-21 | Vehicle rollover preventing automatic deceleration system on curve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204651732U CN202345405U (en) | 2011-11-21 | 2011-11-21 | Vehicle rollover preventing automatic deceleration system on curve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202345405U true CN202345405U (en) | 2012-07-25 |
Family
ID=46534430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204651732U Expired - Fee Related CN202345405U (en) | 2011-11-21 | 2011-11-21 | Vehicle rollover preventing automatic deceleration system on curve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202345405U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213578A (en) * | 2013-04-18 | 2013-07-24 | 贵州大学 | Real-time and early-warning vehicle laterally turning method and device |
| CN105644370A (en) * | 2014-11-14 | 2016-06-08 | 常熟苏大低碳应用技术研究院有限公司 | Anti-rollover system for electro-tricycle |
| CN105856980A (en) * | 2016-06-07 | 2016-08-17 | 江西凯马百路佳客车有限公司 | Passenger-car rollover early-warning method based on tire pressure monitoring |
| CN111547044A (en) * | 2020-03-31 | 2020-08-18 | 桂林电子科技大学 | Truck curve automatic driving training method and system |
-
2011
- 2011-11-21 CN CN2011204651732U patent/CN202345405U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213578A (en) * | 2013-04-18 | 2013-07-24 | 贵州大学 | Real-time and early-warning vehicle laterally turning method and device |
| CN105644370A (en) * | 2014-11-14 | 2016-06-08 | 常熟苏大低碳应用技术研究院有限公司 | Anti-rollover system for electro-tricycle |
| CN105856980A (en) * | 2016-06-07 | 2016-08-17 | 江西凯马百路佳客车有限公司 | Passenger-car rollover early-warning method based on tire pressure monitoring |
| CN111547044A (en) * | 2020-03-31 | 2020-08-18 | 桂林电子科技大学 | Truck curve automatic driving training method and system |
| CN111547044B (en) * | 2020-03-31 | 2022-01-28 | 桂林电子科技大学 | Truck curve automatic driving training method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205010089U (en) | Vehicle early warning controlling means that paddles | |
| CN101380876B (en) | Vehicle tyre-bursting security control method and system | |
| CN105751999A (en) | Fully intelligent and fully automatic (unmanned) automobile | |
| CN203093873U (en) | Automobile anti-tailgating control device | |
| CN101037088A (en) | Method and device for controlling the safe distance between automobiles for the automobile cruising control system | |
| CN202345405U (en) | Vehicle rollover preventing automatic deceleration system on curve | |
| CN103366416A (en) | Vehicle data collecting and transmitting device | |
| CN103010213A (en) | Control method and control system for vehicle cruise | |
| CN204821320U (en) | Self -driving car danger is from processing system | |
| CN103568941A (en) | Automobile driving control device and automobile driving control method | |
| CN206306932U (en) | A kind of vehicle turn signal automatic control system | |
| CN105691395A (en) | Automatic cruising system for automobile | |
| CN103223941A (en) | Fording auxiliary drive system and fording auxiliary drive method for automobile | |
| CN202138330U (en) | CAN (controller area network) bus based safety performance warning system for coach | |
| CN202743235U (en) | Safe driving instrument of automobile | |
| CN201410924Y (en) | Driving safety device | |
| CN202987117U (en) | Rear-end anti-collision device of vehicle | |
| CN205059592U (en) | Novel self -driving car | |
| CN202608753U (en) | Vehicle automatic control device for preventing accidents | |
| CN207078007U (en) | A kind of automatic speed-limiting structure of anti-hypervelocity | |
| CN205168613U (en) | Hydraulic drive planetary gear formula safety device when high -speed driving is blown out | |
| CN203443787U (en) | Comprehensive performance real-time detecting and prompting system of automobile | |
| CN203376790U (en) | Vehicle data acquiring and sending device | |
| CN206383950U (en) | The vehicle ring sense information acquisition system of driving behavior analysis is judged for multiple target | |
| CN102079268A (en) | Automobile double-flashing control system and control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20121121 |