CN202389366U - Automotive anti-collision control system based on ultrasonic waves - Google Patents
Automotive anti-collision control system based on ultrasonic waves Download PDFInfo
- Publication number
- CN202389366U CN202389366U CN2011204881734U CN201120488173U CN202389366U CN 202389366 U CN202389366 U CN 202389366U CN 2011204881734 U CN2011204881734 U CN 2011204881734U CN 201120488173 U CN201120488173 U CN 201120488173U CN 202389366 U CN202389366 U CN 202389366U
- Authority
- CN
- China
- Prior art keywords
- controller
- brake
- collision
- control system
- vehicle
- 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 Driving Devices And Active Controlling Of Vehicle (AREA)
- Regulating Braking Force (AREA)
Abstract
本实用新型公开了一种基于超声波的汽车防撞控制系统，包括防撞控制器，与防撞控制器相连的超声波测距仪、车速传感器、刹车控制器和发动机控制器，与刹车控制器相连的制动器，与发动机控制器相连的喷油电磁阀。本实用新型通过超声波测距仪实时测量获取车与前方障碍物的相对距离信息和相对速度信息，并结合车速信息，经判断后控制车辆减速或制动，从而大大降低了车与障碍物的碰撞概率，减轻了车与障碍物的碰撞程度，有效保证了驾驶员和他人的人生安全，整个系统结构简单，可靠性高，实用性好。
The utility model discloses an automobile anti-collision control system based on ultrasonic waves, which comprises an anti-collision controller, an ultrasonic rangefinder connected with the anti-collision controller, a vehicle speed sensor, a brake controller and an engine controller, and connected with the brake controller The brake, the fuel injection solenoid valve connected to the engine controller. The utility model obtains the relative distance information and relative speed information between the vehicle and the obstacle in front through the real-time measurement of the ultrasonic rangefinder, and combines the vehicle speed information to control the vehicle to decelerate or brake after judgment, thereby greatly reducing the collision between the vehicle and the obstacle probability, reducing the degree of collision between the car and obstacles, effectively ensuring the safety of the driver and others, the whole system has a simple structure, high reliability, and good practicability.
Description
Technical field
The utility model belongs to automobile control technology field, is specifically related to a kind of based on hypracoustic automobile collision preventing control system.
Background technology
Along with the high speed development of society, auto-industry have become one of support of national economy, and automobile also spreads to people family gradually.The safety traffic of automobile is the popular problem of being concerned about day by day, in case have an accident, the loss that its consequence caused is difficult to the appraisal.Yet in China and even the whole world because of driver inattention, fatigue, driving a car under the influence of alcohol or the driver too late at urgent moment reaction, fail to take the car collision that situation caused, car such as emergency brake measure but to happen occasionally with the time of obstacle collisions.
Because the driving technique of navigating mate and road, device layout are unreasonable; And Getting Started to driving technique be unfamiliar with, reasons such as maloperation and psychological fear make the traffic accident incidence annual high; Not only cause any property loss; More deprive the life of many innocent people, coverd with the shade that one deck can't be pushed aside for countless families.
Application number is that 201020106874.2 Chinese patent discloses a kind of active collision avoidance system, and it is through camera collection road conditions image, and utilizes the computer vision Treatment Analysis to obtain corresponding information, to judge that Control of Automobile is slowed down or braking; But also imperfection is ripe based on the computer vision Treatment Technology at present, and it is not high that it handles the information accuracy that obtains, so that have influence on the control reliability of total system.
Summary of the invention
To the above-mentioned technological deficiency of existing in prior technology, it is a kind of based on hypracoustic automobile collision preventing control system that the utility model provides, can be before vehicle will bump, and in time control vehicle slows down or braking reliably, avoids the generation of car accident.
A kind of based on hypracoustic automobile collision preventing control system, comprising: crashproof controller;
With the ultrasonic range finder that crashproof controller links to each other, described ultrasonic range finder is used for measuring in real time the relative distance and the relative velocity of car and the place ahead obstacle, and cooresponding relative distance signal and relative velocity signal are offered crashproof controller;
With the car speed sensor that crashproof controller links to each other, described car speed sensor is used for gathering in real time the speed of a motor vehicle of automobile, and cooresponding GES is offered crashproof controller;
With the brake controller that crashproof controller links to each other, described brake controller is used to receive the speed-slackening signal of crashproof controller output; Brake controller is connected with drg, and brake controller makes automobile brake according to the action of speed-slackening signal drive brake device;
With the engine controller that crashproof controller links to each other, described engine controller is used to receive the restriction signal of crashproof controller output; Engine controller is connected with solenoid fuel injection valve, and engine controller triggers the solenoid fuel injection valve switch according to restriction signal;
With the on-vehicle host that crashproof controller links to each other, described on-vehicle host is used to receive the alerting signal of crashproof controller output; On-vehicle host is connected with loud speaker and Warning light, and on-vehicle host drives loud speaker according to alerting signal and exports corresponding alarm voice, drives the Warning light flicker simultaneously;
Described crashproof controller is used for according to GES, relative distance signal and relative velocity signal, output described alerting signal, restriction signal and speed-slackening signal after judging.
Described crashproof controller is MCU (microprocessor unit).
Described brake controller is ABS (anti-lock braking system).
Described engine controller is EMS (engine management system).
The utility model is measured relative distance information and the relative velocity that obtains car and the place ahead obstacle in real time through ultrasonic range finder, and combines speed information, and control vehicle slows down or braking after judging; Thereby greatly reduce the collision probability of car and obstacle; Alleviated the collision degree of car and obstacle, effectively guaranteed chaufeur and other people life safety, total system is simple in structure; Reliability is high, and practicality is good.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the control flow scheme drawing of crashproof controller.
The specific embodiment
In order to describe the utility model more particularly, be elaborated below in conjunction with accompanying drawing and the specific embodiment technical scheme and control flow thereof to the utility model.
As shown in Figure 1, a kind of based on hypracoustic automobile collision preventing control system, comprising: MCU, ultrasonic range finder, car speed sensor, ABS, EMS, on-vehicle host, solenoid fuel injection valve, drg, loud speaker and Warning light.
Ultrasonic range finder links to each other with MCU, and it is used for measuring in real time the relative distance and the relative velocity of car and the place ahead obstacle, and cooresponding relative distance signal and relative velocity signal are offered MCU, and its ultrasonic probe is installed on the bumper/spoiler place before the car; In the present embodiment, it is the product of SUPARULE DT80 that ultrasonic range finder adopts model.
Car speed sensor links to each other with MCU, and it is used for gathering in real time the speed information that obtains vehicle, and cooresponding GES is offered MCU, and it is installed in the output shaft axle housing; In the present embodiment, it is the product of JK08/NS43NCT1 that car speed sensor adopts homemade model.
MCU is used to receive relative distance signal, relative velocity signal and GES, and according to these signals, output alarm signal, restriction signal and speed-slackening signal after judging; In the present embodiment, MCU adopts the STM32F103 series of products of ST company.
EMS links to each other with solenoid fuel injection valve with MCU, and it is used to receive the restriction signal of MCU output, and triggers the solenoid fuel injection valve switch according to restriction signal, and solenoid fuel injection valve is installed on the driving engine spray bar; In the present embodiment, it is the microprocessor of TMS470R1VF67 that EMS adopts model.
ABS links to each other with drg with MCU, and it is used to receive the speed-slackening signal of MCU output, and according to the action of the drg on the speed-slackening signal drive wheels, makes automobile brake, and drg is installed on the wheel; In the present embodiment, ABS adopts Depcon compressed air brake 6S3M series of products.
On-vehicle host links to each other with MCU, loud speaker and Warning light, and it is used to receive the alerting signal of MCU output, and exports corresponding alarm voice according to alerting signal driving loud speaker, drives the Warning light flicker simultaneously; In the present embodiment, it is the product of CNV-7212 that on-vehicle host adopts Malata's model.
The judgement control flow of MCU is as shown in Figure 2 in this embodiment; At first, the relative velocity according to speed information and car and the place ahead obstacle calculates deceleration safety distance and emergency stopping distance: S according to following formula
1=0.1V
1+ V
1 2/ 130+25V
2/ 36 S
2=1.4S
1Wherein: S
1Be emergency stopping distance, S
2Be deceleration safety distance, V
1Be the speed of a motor vehicle, V
2Be relative velocity.
Then, judge car and the place ahead obstacle relative distance S and emergency stopping distance and deceleration safety distance relation:
As S≤S
1, output alarm signal (high level), restriction signal (high level) and speed-slackening signal (high level), the solenoid fuel injection valve that kills engine is forced the drg action on the drive wheels, and automobile is braked immediately, and sound and light alarm.
Work as S
1≤S≤S
2, output alarm signal (high level), restriction signal (high level) and speed-slackening signal (low level), brake off device forced brake, the solenoid fuel injection valve that kills engine reduces the speed of a motor vehicle, and sound and light alarm.
As S>=S
2, output alarm signal (low level), restriction signal (low level) and speed-slackening signal (low level), brake off device forced brake is opened the driving engine solenoid fuel injection valve, removes sound and light alarm.
Claims (5)
1. one kind based on hypracoustic automobile collision preventing control system, it is characterized in that, comprising:
Crashproof controller;
The ultrasonic range finder that links to each other with crashproof controller;
The car speed sensor that links to each other with crashproof controller;
The brake controller that links to each other with crashproof controller;
The engine controller that links to each other with crashproof controller;
The solenoid fuel injection valve that links to each other with engine controller;
The drg that links to each other with brake controller.
2. according to claim 1 based on hypracoustic automobile collision preventing control system, it is characterized in that: described crashproof controller is connected with on-vehicle host, and described on-vehicle host is connected with loud speaker and Warning light.
3. according to claim 1 and 2 based on hypracoustic automobile collision preventing control system, it is characterized in that: described crashproof controller is MCU.
4. according to claim 1 based on hypracoustic automobile collision preventing control system, it is characterized in that: described brake controller is ABS.
5. according to claim 1 based on hypracoustic automobile collision preventing control system, it is characterized in that: described engine controller is EMS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204881734U CN202389366U (en) | 2011-11-30 | 2011-11-30 | Automotive anti-collision control system based on ultrasonic waves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204881734U CN202389366U (en) | 2011-11-30 | 2011-11-30 | Automotive anti-collision control system based on ultrasonic waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202389366U true CN202389366U (en) | 2012-08-22 |
Family
ID=46664311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204881734U Expired - Fee Related CN202389366U (en) | 2011-11-30 | 2011-11-30 | Automotive anti-collision control system based on ultrasonic waves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202389366U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043014A (en) * | 2012-12-27 | 2013-04-17 | 马文蔚 | Electromagnetic anti-collision device |
| CN105946765A (en) * | 2016-06-30 | 2016-09-21 | 成都生辉电子科技有限公司 | Automobile collision avoidance control method |
| CN107128302A (en) * | 2017-04-10 | 2017-09-05 | 浙江毅力汽车空调有限公司 | A kind of gauge initiative alarming anticollision device, collision-prevention device of automobile five and method |
| CN107757583A (en) * | 2017-10-13 | 2018-03-06 | 奇瑞汽车股份有限公司 | A kind of low speed driving active brake method and system |
| CN108859954A (en) * | 2018-07-12 | 2018-11-23 | 何旭建 | A kind of Anti-tail collision for automobiles based on STM32 chip |
-
2011
- 2011-11-30 CN CN2011204881734U patent/CN202389366U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043014A (en) * | 2012-12-27 | 2013-04-17 | 马文蔚 | Electromagnetic anti-collision device |
| CN105946765A (en) * | 2016-06-30 | 2016-09-21 | 成都生辉电子科技有限公司 | Automobile collision avoidance control method |
| CN107128302A (en) * | 2017-04-10 | 2017-09-05 | 浙江毅力汽车空调有限公司 | A kind of gauge initiative alarming anticollision device, collision-prevention device of automobile five and method |
| CN107757583A (en) * | 2017-10-13 | 2018-03-06 | 奇瑞汽车股份有限公司 | A kind of low speed driving active brake method and system |
| CN108859954A (en) * | 2018-07-12 | 2018-11-23 | 何旭建 | A kind of Anti-tail collision for automobiles based on STM32 chip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203391717U (en) | A vehicle collision avoidance warning device based on MSP430 microcontroller | |
| CN102616235B (en) | A kind of collaborative collision avoidance device based on truck traffic and collision avoidance method | |
| CN103072537B (en) | Automotive collision avoidance safety protecting method based on infrared image processing | |
| CN102673561B (en) | A kind of rear-end collision preventing system and method | |
| CN202243308U (en) | Rear-end collision prevention device for vehicle | |
| CN103318176A (en) | Coach self-adaptive cruise control system and control method thereof | |
| CN110525400A (en) | Anti-collision system for automobile intelligent controller | |
| CN203020082U (en) | Vehicle-mounted alcohol monitoring device | |
| CN102785660A (en) | Vehicle collision-proof early warning device | |
| CN203381585U (en) | An ARM-based vehicle safety driving distance keeping and control system | |
| CN202389366U (en) | Automotive anti-collision control system based on ultrasonic waves | |
| CN204870868U (en) | Car anticollision and pedestrian protect early warning system based on multisensor | |
| CN102642530A (en) | Intelligent full-automatic braking system and control method thereof | |
| CN107128302A (en) | A kind of gauge initiative alarming anticollision device, collision-prevention device of automobile five and method | |
| CN203063868U (en) | Automatic detecting and early-warning device for running state of vehicle | |
| CN107618508A (en) | A kind of Vehicular intelligent brake system and its method of work | |
| CN113085854A (en) | System and method for identifying obstacle above vehicle through radar camera | |
| CN112046499A (en) | Vehicle starting reminding method, vehicle starting reminding device and vehicle | |
| CN201004179Y (en) | Real-time scanning of vehicle road conditions and automatic anti-collision alarm control system | |
| CN201808556U (en) | Intelligent anti-collision system of automobiles in multiple road conditions | |
| CN108162857A (en) | A kind of automobile active safety guard method and device | |
| CN104029679B (en) | A kind of automobile side angle active defense method | |
| CN205853996U (en) | A kind of safety driving distance prior-warning device | |
| CN113246975A (en) | Intelligent auxiliary control method for automobile courtesy pedestrians | |
| CN110834587A (en) | Automobile longitudinal anti-collision system based on laser ranging |
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: 20120822 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |