CN203111160U - Device for preventing automobile from being collided - Google Patents
Device for preventing automobile from being collided Download PDFInfo
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- CN203111160U CN203111160U CN 201220725453 CN201220725453U CN203111160U CN 203111160 U CN203111160 U CN 203111160U CN 201220725453 CN201220725453 CN 201220725453 CN 201220725453 U CN201220725453 U CN 201220725453U CN 203111160 U CN203111160 U CN 203111160U
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- automobile
- radar
- camera
- micro controller
- avoided
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Abstract
The utility model discloses a device for preventing an automobile from being collided. The device comprises a build-in ECU (Electronic Control Unit), a radar, a camera, a single chip microcomputer, a braking unit, an LED (Light-Emitting Diode) display and a buzzer, wherein the ECU, the radar and the camera are connected with the input end of the single chip microcomputer respectively; and the output end of the single chip microcomputer is connected with the braking unit, the LED display and the buzzer respectively. According to the device, the radar, the camera and the sensor are used for comprehensively judging the current running condition of the automobile, and automatic braking of a vehicle is realized through the braking unit when the distance between the vehicle and a front vehicle is too small, so that the running safety is improved. The device has the advantages of simple structure, low cost, convenience in installing and maintaining and high practicability.
Description
Technical field
The utility model relates to the automotive safety technical field, is specifically related to a kind of automobile and avoids crash device.
Background technology
In recent years, China's expressway construction development is swift and violent, and for solid foundation has been established in the development of integration of regional economics, simultaneously, high speed traveling has also caused a series of serious traffic accidents.The rear-end collision collision is the principal mode of traffic accidents.Investigation shows that the rear-end impact accident accounts for the ratio of the total accident of express highway up to 36%～40%, and mostly is serious accident, the economic loss that causes and personal casualty maximum.
Summary of the invention
The purpose of this utility model is, provides a kind of automobile to avoid crash device, and this device can detect the distance with front vehicles, starts the distance of brake unit adjusting and front vehicles when distance is too small, makes between car and the car to keep a safe distance.
In order to realize above-mentioned technical assignment, the utility model adopts following technical scheme to be achieved:
A kind of automobile is avoided crash device, comprise the ECU that vehicle body carries, this device also comprises radar, camera, micro controller system, brake unit, light-emitting diode display and buzzer phone, wherein, ECU, radar and camera are connected the input end of micro controller system respectively, and the mouth of micro controller system connects brake unit, light-emitting diode display and buzzer phone respectively.
Other technologies characteristics of the present utility model:
Described radar adopts laser radar.
Described camera adopts MG813 type camera.
Described micro controller system adopts the MSP430 micro controller system.
Described brake unit comprises pressure controller, motor and electromagnetic valve, wherein pressure controller is connected with energy storage in the brake system of car, motor is connected with the braking oil can, and electromagnetic valve is connected with master brake cylinder, and described pressure controller adopts pressure relay formula pressure controller.
The utility model utilizes that radar, camera and sensor are comprehensive judges current traveling state of vehicle, when vehicle and leading vehicle distance are too small, by the autobrake of brake unit realization vehicle.Compared with prior art, the technique effect that brings of this device is:
1, hour has outside the basic prompting function at spacing, can also realize autobrake by the control of electronic control unit, improve travel safety.
2, simple in structure, cost is low, for ease of maintenaince, practicality is good.
Description of drawings
Fig. 1 is annexation scheme drawing of the present utility model.
Below in conjunction with drawings and Examples the utility model is further specified.
The specific embodiment
Defer to technique scheme, as shown in Figure 1, present embodiment provides a kind of automobile and avoids crash device, comprise the ECU that vehicle body carries, this device also comprises radar, camera, micro controller system, brake unit, light-emitting diode display and buzzer phone, wherein, ECU, radar and camera are connected the input end of micro controller system respectively, and the mouth of micro controller system connects brake unit, light-emitting diode display and buzzer phone respectively.
In the present embodiment, micro controller system adopts MSP430 type micro controller system, this micro controller system MSP430 is the super low power consuming single chip processor of 16 reduced instruction structures (RISC) of American TI Company production, MSP430F436 is as the core microprocessors chip, its topmost characteristics are super low-power consumption and working stability: it can be operated between the 1.8V-3.6V, power consumption can be controlled in about 200 μ A during normal operation, can realize 2 μ A during low-power consumption mode, or even the super low-power consumption of 0.1 μ A.It mainly is made up of UART in 12 A/D, comparator, timer, the sheet, house dog, sheet internal oscillator and a large amount of I/O port and high-capacity on-chip memory etc.
Described radar adopts laser radar.Overall targets such as the performance when the long-range detection ability of microwave radar, dark bite, dust smogout and temperature stability are all better.Therefore, having the microwave radar of good detectability and suitable all weather operation, is the optimal selection of the vehicle-mounted ranging system that tests the speed.The effect of radar provides relative velocity and the distance of Ben Che and front truck, judges whether to exist the foundation of collision risk as vehicle.
Described camera adopts popular camera MG813.The image device of this product is CMOS, and the visual angle is 170 degree, and power consumption is 130-150mA, and operating voltage 12v, valid pixel are the 628*582 pixel.The scope that camera can be difficult to vehicle front and peripheral pilot's line of vision to observe is presented on the light-emitting diode display, as the driving reference of chaufeur.
Brake unit is connected in the output and the oil circuit between the former car ABS input of former car master brake cylinder.Described brake unit comprises pressure controller, motor and electromagnetic valve, wherein pressure controller is connected with energy storage in the brake system of car, energy storage is in parallel with the motor oil circuit, motor is connected with the braking oil can, electromagnetic valve is connected with master brake cylinder, and described pressure controller adopts pressure relay formula pressure controller.Braking fluid finally is transferred in the ABS system of former car through brake unit.Pressure controller in the hydraulic brake unit passes to micro controller system according to the desired braking pressure that ECU calculates with pressure information, and micro controller system sends instruction the motor in the hydraulic pressure unit and electromagnetic valve are controlled, and realizes the braking of automobile.
The analog signal that radar obtains is the range signal between vehicle and the place ahead obstacle; The place ahead traffic information that camera obtains can show in real time by light-emitting diode display, for the chaufeur reference; By the ECU that vehicle carries, micro controller system can obtain the current Throttle Position information of vehicle and speed information, in order to current vehicle condition is comprehensively judged; The signal of micro controller system receiving radar, camera and ECU also carries out computing, processing, judgement to it, then to brake unit output execution command; When automobile storage during at collision risk, the Single-chip Controlling buzzer warning reminds chaufeur to note, brake unit is started working simultaneously, automobile is realized autobrake, thereby automobile and leading vehicle distance are increased gradually, guaranteed safe distance between vehicles, thereby improved the traffic safety of chaufeur.
The electronic devices and components that the utility model adopts are known product, and those skilled in the art are according to the i.e. concrete connection mode of electronic devices and components as can be known of the technical solution of the utility model.
Claims (5)
1. an automobile is avoided crash device, comprise the ECU that vehicle body carries, it is characterized in that, this device also comprises radar, camera, micro controller system, brake unit, light-emitting diode display and buzzer phone, wherein, ECU, radar and camera are connected the input end of micro controller system respectively, and the mouth of micro controller system connects brake unit, light-emitting diode display and buzzer phone respectively.
2. automobile as claimed in claim 1 is avoided crash device, it is characterized in that, described radar adopts laser radar.
3. automobile as claimed in claim 1 is avoided crash device, it is characterized in that, described camera adopts MG813 type camera.
4. automobile as claimed in claim 1 is avoided crash device, it is characterized in that, described micro controller system adopts the MSP430 micro controller system.
5. automobile as claimed in claim 1 is avoided crash device, it is characterized in that, described brake unit comprises pressure controller, motor and electromagnetic valve, wherein pressure controller is connected with energy storage in the brake system of car, motor is connected with the braking oil can, electromagnetic valve is connected with master brake cylinder, and described pressure controller adopts pressure relay formula pressure controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725453 CN203111160U (en) | 2012-12-25 | 2012-12-25 | Device for preventing automobile from being collided |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725453 CN203111160U (en) | 2012-12-25 | 2012-12-25 | Device for preventing automobile from being collided |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203111160U true CN203111160U (en) | 2013-08-07 |
Family
ID=48891532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220725453 Expired - Fee Related CN203111160U (en) | 2012-12-25 | 2012-12-25 | Device for preventing automobile from being collided |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203111160U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585592A (en) * | 2016-10-31 | 2017-04-26 | 安徽嘻哈网络技术有限公司 | Electronic coach active safety braking system |
| CN107487288A (en) * | 2016-10-17 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of vehicle and its driving safety system |
-
2012
- 2012-12-25 CN CN 201220725453 patent/CN203111160U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487288A (en) * | 2016-10-17 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of vehicle and its driving safety system |
| CN106585592A (en) * | 2016-10-31 | 2017-04-26 | 安徽嘻哈网络技术有限公司 | Electronic coach active safety braking system |
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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: 20130807 Termination date: 20131225 |