CN205098179U - Car intelligence collision avoidance system based on OBD interface - Google Patents
Car intelligence collision avoidance system based on OBD interface Download PDFInfo
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- CN205098179U CN205098179U CN201520794165.0U CN201520794165U CN205098179U CN 205098179 U CN205098179 U CN 205098179U CN 201520794165 U CN201520794165 U CN 201520794165U CN 205098179 U CN205098179 U CN 205098179U
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Abstract
The utility model discloses a car intelligence collision avoidance system based on OBD interface, including microprocessor, front end radar, the radar of backing a car, retarding braking unit and OBD interface unit, microprocessor is connected with the radar of backing a car with the front end radar respectively and acquires apart from data, and microprocessor passes through the brake pedal of retarding braking unit connection control car, and microprocessor passes through the OBD interface connection of OBD interface unit and car, based on microprocessor's control, the automatic control retarding braking unit is by the vehicle deceleration before the automobile is about to collide the barrier, and the collision prevention occurence of failure improves the security that the automobile went greatly, direct access car OBD interface during the installation need not to install additional speed sensor and destroys former fare way and can acquire data such as the car speed of a motor vehicle, turn signal, gear signal, brake signal, furthest's assurance the integrality of former car, simple to operate is swift, does not influence the pleasing to the eye of vehicle, the stable performance is reliable.
Description
Technical field
The utility model relates to anti-collision system for automobile, especially a kind of Intelligent collision prevention system of automobile based on OBD interface.
Background technology
Anti-collision system for automobile, it is a kind of intelligent apparatus preventing automobile from colliding, the vehicle that it can find may to collide with automobile automatically, pedestrian or other obstructing objects, give the alarm or take braking simultaneously or the measure such as to evade, with the generation of collision free.
Existing vehicle does not generally have collision avoidance system, and consider safety problem, a lot of car owner can install collision avoidance system additional on vehicle, if patent publication No. is propose a kind of anti-collision system for automobile in the patent documentation of CN201154697Y, according to the road speed of automobile and the distance of preceding object thing, reasonably control the brake equipment of automobile, realize automatic retarding or brake, effectively the generation of prevention car accident; And for example patent publication No. is propose a kind of anti-collision system for automobile based on radar velocity measurement in the patent documentation of CN202847629U, by detect in real time car speed and and obstacle between distance, in time being less than safety distance, this system can control automobile brake and slow down, to ensure driving safety.But such collision avoidance system is when installing additional, usually need to install additional speed sensor maybe need to the circuit of former car reequip obtain automobile vehicle speed data, turn to, brake, the signal such as gear, destroy the integraty on former fare road, and fitting operation complexity is loaded down with trivial details,, there is potential safety hazard in the stability that the former truck system of easy impact runs.
Utility model content
In order to solve prior art Problems existing, a kind of Intelligent collision prevention system of automobile based on OBD interface that the utility model provides, direct access automobile OBD interface, do not need to install additional sensor do not need to destroy yet former fare road can obtain vehicle speed data and turn to, gear, the signal such as brake, ensure that the integraty of former car to greatest extent, avoid because installing sensor additional or reequiping the potential safety hazard brought on former fare road, simultaneously quick and easy for installation, stable and reliable for performance.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of Intelligent collision prevention system of automobile based on OBD interface, comprise microprocessor, front end radar, Reverse Sensor, brake snub unit and OBD interface unit, microprocessor is connected with front end radar and Reverse Sensor respectively and obtains range data, microprocessor is by the brake pedal of brake snub unit connection control automobile, and microprocessor is connected with the OBD interface of automobile by OBD interface unit.
In technique scheme, also include display and voice unit, described display and voice unit are connected by wired or wireless mode with microprocessor.
Preferably, described display and voice unit are built-in with voice alarm module.
In technique scheme, described OBD interface unit is connected by wired or wireless mode with microprocessor.
In technique scheme, described front end radar is connected by wired or wireless mode with microprocessor with Reverse Sensor.
In technique scheme, described brake snub unit is connected by wired mode with microprocessor.
Preferably, described front end radar and Reverse Sensor are any one or the multiple combination in ultrasonic ranging probe, infrared distance measuring probe, microwave radar and laser ranging probe.
The beneficial effects of the utility model: the utility model utilizes microprocessor to obtain the vehicle speed data of automobile by OBD interface unit, turn sign, gear signal, the relevant informations such as brake signal, compared with prior art, this Intelligent collision prevention system of automobile is based on OBD Interface realization, automobile speed data are obtained without the need to installing car speed sensor additional and reequip former fare road on automobile, turn sign, gear signal, the relevant informations such as brake signal, save the troublesome operation of laying-out, ensure that the integraty of former car to greatest extent, more convenient and quicker is installed, do not affect the attractive in appearance of vehicle, and avoid the potential safety hazard installing additional and reequip and bring to former truck system, performance is more reliable and more stable.
When vehicle advances, microprocessor obtains the range data with front vehicles or other obstacle by front end radar, and when vehicle backing, microprocessor obtains range data with front vehicle or other obstacle by Reverse Sensor, microprocessor calculates the relative velocity with obstacle in conjunction with the speed of a motor vehicle and with the distance of obstacle after obtaining data, again according to the speed of a motor vehicle, distance, the data such as relative velocity, automatically brake snub unit pressure brake pedal was controlled by car retardation before automobile is by collision obstacle, continue near as this car after braking deceleration and obstacle distance and do not reach safety distance, microprocessor can according to the speed of a motor vehicle, distance, relative velocity controls brake snub unit continuation pressure brake pedal and brakes continuously, if the speed of a motor vehicle and Ben Che and obstacle distance are all in the safe range set after autobrake, microprocessor can control brake snub unit and reset rapidly so that automobile brake pedal energy self-return in time, ensure automobile normal running, can effectively prevent collision case from occurring, greatly improve the safety of running car.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further.
Fig. 1 is structural principle schematic diagram of the present utility model.
Detailed description of the invention
See Fig. 1, a kind of Intelligent collision prevention system of automobile based on OBD interface of the present utility model, comprise microprocessor 1, OBD interface unit 2, front end radar 3, Reverse Sensor 4, brake snub unit 5 and display and voice unit 6, microprocessor 1 is connected with the OBD interface of automobile by OBD interface unit 2, microprocessor 1 is connected with front end radar 3 and Reverse Sensor 4 respectively and obtains range data, and microprocessor 1 is by the brake pedal of brake snub unit 5 connection control automobile.
During installation, OBD interface unit 2 is connect in succession by connector and automobile OBD interface direct, without the need to destroying the circuit of former car, Reverse Sensor 4 is installed on automobile tail, front end radar 3 is installed on air inlet grid rear, and brake snub unit 5 is installed on brake pedal place, and this brake snub unit 5 is the brake equipment realizing brake for promoting brake pedal, display and voice unit 6 are installed on operator platform, and microprocessor 1 is installed on below foot pad.Wherein, OBD interface unit 2 is connected by wired or wireless mode with microprocessor 1 unit, front end radar 3 and Reverse Sensor 4 are connected by wired or wireless mode with microprocessor 1, display and voice unit 6 are connected by wired or wireless with microcontroller, brake snub unit 5 and microprocessor 1 unit pass through wired connection, the connection mode of said structure preferentially uses wireless connections, without the need to laying line, installs more convenient and quicker like this.
The principle of work of this Intelligent collision prevention system of automobile is, microprocessor 1 obtains the relevant information such as vehicle speed data and turn sign, gear signal, brake signal of automobile by OBD interface unit 2, when vehicle advances, microprocessor 1 passes through the range data of front end radar 3 acquisition and front vehicles or other obstacle, and when vehicle backing, microprocessor 1 passes through the range data of Reverse Sensor 4 acquisition and front vehicle or other obstacle, the relative data with obstacle is calculated in conjunction with the speed of a motor vehicle and with the distance of obstacle after microprocessor 1 obtains data, again according to the speed of a motor vehicle, distance, the related datas such as relative velocity, before automobile is by collision obstacle, automatically controls brake snub unit 5 depresses brake pedal by car retardation, as this car after braking deceleration and obstacle distance still near and do not reach safety distance, microprocessor 1 can according to the speed of a motor vehicle, distance, relative velocity controls brake snub unit 5 continuation pressure brake pedal and brakes continuously, if the speed of a motor vehicle and Ben Che and obstacle distance are all in the safe range set after autobrake, microprocessor can control brake snub unit 5 and reset rapidly so that automobile brake pedal energy self-return in time, ensure automobile normal running, related data is sent to the service condition of display and voice unit 6 real-time display whole system simultaneously, voice warning can also be carried out by the voice alarm module shown and voice unit 6 is built-in, effectively prevent collision case from occurring, greatly improve the safety of running car, system performance is reliable and stable.
In this embodiment, described front end radar 3 and Reverse Sensor 4 adopt that ultrasonic ranging probe, infrared distance measuring are popped one's head in, any one or multiple combination in microwave radar and laser ranging probe.
The above, just preferred embodiment of the present utility model, the utility model is not limited to the structure of above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model.
Claims (7)
1. the Intelligent collision prevention system of automobile based on OBD interface, comprise microprocessor (1), front end radar (3), Reverse Sensor (4) and brake snub unit (5), microprocessor (1) is connected with front end radar (3) and Reverse Sensor (4) respectively and obtains range data, microprocessor (1) is by the brake pedal of brake snub unit (5) connection control automobile, it is characterized in that: also include OBD interface unit (2), described microprocessor (1) is connected by the OBD interface of OBD interface unit (2) with automobile.
2. a kind of Intelligent collision prevention system of automobile based on OBD interface according to claim 1, is characterized in that: also include display and voice unit (6), described display and voice unit (6) are connected by wired or wireless mode with microprocessor (1).
3. a kind of Intelligent collision prevention system of automobile based on OBD interface according to claim 2, is characterized in that: described display and voice unit (6) are built-in with voice alarm module.
4. a kind of Intelligent collision prevention system of automobile based on OBD interface according to claim 1, is characterized in that: described OBD interface unit (2) is connected by wired or wireless mode with microprocessor (1).
5. a kind of Intelligent collision prevention system of automobile based on OBD interface according to claim 4, is characterized in that: described front end radar (3) is connected by wired or wireless mode with microprocessor (1) with Reverse Sensor (4).
6. a kind of Intelligent collision prevention system of automobile based on OBD interface according to claim 1,4 or 5, is characterized in that: described brake snub unit (5) is connected by wired mode with microprocessor (1).
7. a kind of Intelligent collision prevention system of automobile based on OBD interface according to claim 1, is characterized in that: described front end radar (3) and Reverse Sensor (4) they are ultrasonic ranging probe, infrared distance measuring probe, any one or multiple combination in microwave radar and laser ranging probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520794165.0U CN205098179U (en) | 2015-10-14 | 2015-10-14 | Car intelligence collision avoidance system based on OBD interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520794165.0U CN205098179U (en) | 2015-10-14 | 2015-10-14 | Car intelligence collision avoidance system based on OBD interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205098179U true CN205098179U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520794165.0U Expired - Fee Related CN205098179U (en) | 2015-10-14 | 2015-10-14 | Car intelligence collision avoidance system based on OBD interface |
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| CN (1) | CN205098179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961583A (en) * | 2017-03-28 | 2017-07-18 | 深圳市车车安信息技术有限公司 | Dual camera outdoor scene intelligent travelling crane method and system |
| CN108162958A (en) * | 2017-12-27 | 2018-06-15 | 长沙理工大学 | A kind of automobile active anti-collision control system and method |
-
2015
- 2015-10-14 CN CN201520794165.0U patent/CN205098179U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961583A (en) * | 2017-03-28 | 2017-07-18 | 深圳市车车安信息技术有限公司 | Dual camera outdoor scene intelligent travelling crane method and system |
| CN108162958A (en) * | 2017-12-27 | 2018-06-15 | 长沙理工大学 | A kind of automobile active anti-collision control system and method |
| CN108162958B (en) * | 2017-12-27 | 2019-09-20 | 长沙理工大学 | A kind of automobile active anti-collision control 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: 20160323 Termination date: 20191014 |
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| CF01 | Termination of patent right due to non-payment of annual fee |