CN205113049U - Electric automobile initiative collision avoidance system - Google Patents
Electric automobile initiative collision avoidance system Download PDFInfo
- Publication number
- CN205113049U CN205113049U CN201520807283.0U CN201520807283U CN205113049U CN 205113049 U CN205113049 U CN 205113049U CN 201520807283 U CN201520807283 U CN 201520807283U CN 205113049 U CN205113049 U CN 205113049U
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- automobile
- radar
- ultrasonic radar
- car
- avoidance system
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses an electric automobile initiative collision avoidance system has solved collision avoidance system on the current car can't carry out collision avoidance when the car is backed a car technical problem, the utility model discloses electric automobile initiative collision avoidance system, include: preceding ultrasonic radar establishes at the car front end for survey the barrier in car the place ahead, back ultrasonic radar establishes in the car rear end for survey the barrier at car rear, radar ECU main control unit for the interval data of ultrasonic radar and back ultrasonic radar's acquisition of signal car with the place ahead or rear barrier before gathering, driving motor connects epaxially at automotive power, machine controller, through CAN bus connection radar ECU main control unit, the interval data of collection car and the place ahead or rear barrier, machine controller generates control signal controlled drive motor for the rotation direction antiport of automotive power axle, in order to reduce the speed of a motor vehicle according to the interval data of gathering.
Description
Technical field
The utility model relates to a kind of electronlmobil active collision-avoidance system.
Technical background
Along with the high speed development of society, the recoverable amount of automobile also increases year by year, because the driving technique of navigating mate and road, device layout are unreasonable, and Getting Started is unfamiliar with driving technique, maloperation and psychology is frightened etc. that reason makes traffic accident incidence remain high every year.
Existing automobile also occurs can self-stopping collision avoidance system; the generation alleviating or avoid traffic accident; but these collision avoidance system are merely able to carry out Anti-bumping protection when automobile working direction; Anti-bumping protection cannot be carried out when reversing automobile, therefore can not alleviate or avoid the loss crashed during reversing automobile.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of electronlmobil active collision-avoidance system, and the collision avoidance system solved on existing automobile cannot carry out the technical matters of Anti-bumping protection when reversing automobile.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
Electronlmobil active collision-avoidance system, comprising:
Front ultrasonic radar, is located at automotive front end, for the obstacle in probe vehicle front;
Rear ultrasonic radar, is located at automobile rear end, for the obstacle at probe vehicle rear;
Radar ECU main control unit, for the spacing data of the signal acquisition automobile and front or rear obstacle that gather front ultrasonic radar and rear ultrasonic radar;
Drive motor, is connected on automobile power axle;
Electric machine controller, connects radar ECU main control unit by CAN, gathers the spacing data of automobile and front or rear obstacle;
Electric machine controller generates control signal control drive motor according to the spacing data collected and rotates, to reduce the speed of a motor vehicle relative to the rotation direction reversed of automobile power axle.
Further, the calculated signals that described radar ECU main control unit gathers front ultrasonic radar and rear ultrasonic radar goes out the relative velocity of automobile and front or rear obstacle, described electric machine controller gathers relative velocity data and generates safety distance value, when the spacing data that electric machine controller collects is less than safety distance value, electric machine controller generates control signal control drive motor and rotates relative to the rotation direction reversed of automobile power axle.
Further, described active collision-avoidance system also comprises the sound and light alarm module being located at automobile rear end, and described sound and light alarm module comprises alarm lamp and buzzer phone, controls sound and light alarm module and obtain electric while described motor controller controls drive motor rotates.
Further, described front ultrasonic radar is two, and two front ultrasonic radars are located at the both sides of automotive front end respectively, and described rear ultrasonic radar is one.
The beneficial effects of the utility model are:
The signal that radar ECU main control unit gathers front ultrasonic radar and rear ultrasonic radar can obtain the spacing of automobile and front or rear obstacle, spacing data is sent to electric machine controller by CAN message by radar ECU main control unit, when electric machine controller is less than certain numerical value according to spacing data, control drive motor to rotate relative to the rotation direction reversed of automobile power axle, thus realize automobile when advancing and falling back, active collision-avoidance system can carry out deceleration protection to automobile, the loss alleviating or avoid automobile to crash, take into account the travel safety improved when automobile advances and moves backward.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further:
Fig. 1 is the schematic diagram of electronlmobil active collision-avoidance system.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.
With reference to Fig. 1, electronlmobil active collision-avoidance system, comprises front ultrasonic radar 1, rear ultrasonic radar 2, radar ECU main control unit 3, drive motor 5, electric machine controller 6 and acousto-optic alarm module 7.
Front ultrasonic radar 1, be located at automotive front end, for the obstacle in probe vehicle front, because automobile high-speed driving is generally working direction, be necessary the scope of the obstacle improving probe vehicle front, therefore, front ultrasonic radar 1 is two, and two front ultrasonic radars 1 are located at the both sides of automotive front end respectively;
Rear ultrasonic radar 2, be located at automobile rear end, for the obstacle at probe vehicle rear, because reversing automobile general speed reduces, in order to reduce costs, rear ultrasonic radar 2 is one, and rear ultrasonic radar 2 is located on the plane of symmetry of automobile, the plane of symmetry of automobile refers to that automobile case symmetry division is become two-part longitudinal plane of symmetry by motor vehicle length direction, and rear ultrasonic radar 2 is located on the plane of symmetry and is conducive to the balanced detection carrying out automobile rear obstacle;
Radar ECU main control unit 3, for gathering the signal of front ultrasonic radar 1 and rear ultrasonic radar 2, front ultrasonic radar 1 and rear ultrasonic radar 2 are radar probe, it connects radar ECU main control unit 3 by data line, radar ECU main control unit 3 and front ultrasonic radar 1, rear ultrasonic radar 2 adopt to have surveys the radar component that Distance geometry surveys relative velocity function, can calculate spacing and the relative velocity of automobile and front or rear obstacle;
Drive motor 5, is connected on automobile power axle;
Electric machine controller 6, radar ECU main control unit 3 is connected by CAN, spacing data is sent to electric machine controller by CAN message by radar ECU main control unit, the spacing data that electric machine controller Real-time Collection radar ECU main control unit 3 sends over and relative velocity data;
Electrode controller 6 adopts micro controller system, when electric machine controller 6 reaches certain numerical value according to the spacing data collected, generate control signal control drive motor 5 to rotate relative to the rotation direction reversed of automobile power axle, to reduce the speed of a motor vehicle, adopt High power PM DC motor, electrode controller 6 controls electric current and exports drive motor 5 to, thus control drive motor 5 rotates or stops, electrode controller 6 controls drive motor 5 rotating by controlling direction of current, electronlmobil deceleration is realized to rotate relative to the rotation direction reversed of automobile power axle, thus the loss crashed when alleviating or avoid automobile in advance or move backward, improve traffic safety.
Electrode controller 6 adopts micro controller system, electric machine controller 6 controls the connection break-make of power supply and drive motor 5 and flows into the direction of current of drive motor 5, when electric machine controller 6 judges that the distance values of vehicle front or rear obstacle in the radar ECU main control unit collected reaches the safety distance of automobile and front or rear obstacle time, electric machine controller 6 controls power supply and exports the electric current of respective direction and control drive motor 5 to drive motor 5 and rotate relative to the rotation direction reversed of automobile power axle, drive motor 5 pairs of automobile power axles apply plugging power, to reduce the speed of a motor vehicle, until the distance values of vehicle front or rear obstacle is greater than safety distance.
Total institute is known, the relative velocity of automobile and obstacle is larger, safety distance needed for automobile is also larger, the calculated signals that radar ECU main control unit 3 gathers front ultrasonic radar 1 and rear ultrasonic radar 2 goes out the relative velocity of automobile and front or rear obstacle, the relative velocity data that electric machine controller 6 gathers radar ECU main control unit 3 generates safety distance value, in order to simplify control process, safety distance value and relative velocity adopt proportional relation, best safety distance value and relative velocity ratio can be obtained according to the experiment of producer's limited number of time, this direct ratio algorithm is preset in electric machine control 6 as existing conventional single-chip microcomputer control technology, when the spacing data that electric machine controller 6 collects is less than safety distance value, electric machine controller 6 generates control signal control drive motor 5 and rotates relative to the rotation direction reversed of automobile power axle, make car deceleration, active collision-avoidance system is according to relative velocity dynamic conditioning safety distance, scientific and effective more, further increase the travel safety of automobile.
Sound and light alarm module 7 comprises alarm lamp and buzzer phone, electric machine controller 6 controls to control sound and light alarm module 7 while drive motor 5 rotates and obtains electric, carry out luminescence by the alarm lamp in sound and light alarm module 7 and buzzer phone and sounding is reminded surrounding vehicles, further increase traffic safety.
Be described with regard to the utility model preferred embodiment above, but can not be interpreted as it is limitations on claims.The utility model is not only confined to above embodiment, its concrete structure allows to change, those skilled in the art can make various change and distortion according to the utility model, only otherwise depart from spirit of the present utility model, all belong to the scope that the utility model claims define.
Claims (4)
1. electronlmobil active collision-avoidance system, is characterized in that, comprising:
Front ultrasonic radar, is located at automotive front end, for the obstacle in probe vehicle front;
Rear ultrasonic radar, is located at automobile rear end, for the obstacle at probe vehicle rear;
Radar ECU main control unit, for the spacing data of the signal acquisition automobile and front or rear obstacle that gather front ultrasonic radar and rear ultrasonic radar;
Drive motor, is connected on automobile power axle;
Electric machine controller, connects radar ECU main control unit by CAN, gathers the spacing data of automobile and front or rear obstacle;
Electric machine controller generates control signal control drive motor according to the spacing data collected and rotates, to reduce the speed of a motor vehicle relative to the rotation direction reversed of automobile power axle.
2. electronlmobil active collision-avoidance system according to claim 1, it is characterized in that, the calculated signals that described radar ECU main control unit gathers front ultrasonic radar and rear ultrasonic radar goes out the relative velocity of automobile and front or rear obstacle, described electric machine controller gathers relative velocity data and generates safety distance value, when the spacing data that electric machine controller collects is less than safety distance value, electric machine controller generates control signal control drive motor and rotates relative to the rotation direction reversed of automobile power axle.
3. electronlmobil active collision-avoidance system according to claim 1, it is characterized in that, described active collision-avoidance system also comprises the sound and light alarm module being located at automobile rear end, described sound and light alarm module comprises alarm lamp and buzzer phone, controls sound and light alarm module and obtain electric while described motor controller controls drive motor rotates.
4. electronlmobil active collision-avoidance system according to claim 1, is characterized in that, described front ultrasonic radar is two, and two front ultrasonic radars are located at the both sides of automotive front end respectively, and described rear ultrasonic radar is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807283.0U CN205113049U (en) | 2015-10-19 | 2015-10-19 | Electric automobile initiative collision avoidance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807283.0U CN205113049U (en) | 2015-10-19 | 2015-10-19 | Electric automobile initiative collision avoidance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205113049U true CN205113049U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520807283.0U Expired - Fee Related CN205113049U (en) | 2015-10-19 | 2015-10-19 | Electric automobile initiative collision avoidance system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205113049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444129A (en) * | 2017-09-13 | 2017-12-08 | 洛阳大河新能源车辆有限公司 | A kind of operating method of electric car reverse anti-collision system |
| CN110758237A (en) * | 2018-07-27 | 2020-02-07 | 深圳富泰宏精密工业有限公司 | Electronic device and driving safety reminding method |
-
2015
- 2015-10-19 CN CN201520807283.0U patent/CN205113049U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444129A (en) * | 2017-09-13 | 2017-12-08 | 洛阳大河新能源车辆有限公司 | A kind of operating method of electric car reverse anti-collision system |
| CN110758237A (en) * | 2018-07-27 | 2020-02-07 | 深圳富泰宏精密工业有限公司 | Electronic device and driving safety reminding method |
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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: 20160330 Termination date: 20191019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |