CN105070059A - Vehicle collision detection method and rapid processing system - Google Patents
Vehicle collision detection method and rapid processing system Download PDFInfo
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Abstract
The invention discloses a vehicle collision detection method and a rapid processing system. The method mainly comprises the steps that collision parameters of first preset time T1, second preset time T2, a preset acceleration value K and a preset speed value V are set; real-time acceleration values M and real-time speed values N of a vehicle are acquired; whether all the real-time acceleration values M of the vehicle exceed the preset acceleration value K within the first preset time T1 is judged; whether the real-time speed values N of the vehicle are reduced to be lower than the preset speed value V within the second preset time T2 is judged; and finally information of the location of the vehicle, and the maximum acceleration value M and the maximum speed value N acquired within time T1 are transmitted to a third-party monitoring center, and the third-party monitoring center arranges rescue according to the acquired information. Collision detection accuracy can be effectively enhanced by the method and the system so that rate of false alarm can be reduced.
Description
Technical field
The invention belongs to information of vehicles detection technique field, be specifically related to a kind of vehicle collision detection method and the fast processing system based on the method.
Background technology
Along with the facility that the development of automobile industry brings to the living trip of people, the annual vehicle fleet size in the whole nation is all in constantly increasing, but accident is also constantly increasing simultaneously, has hundreds of thousands people injures and deaths in traffic accident accident every year, also brings huge property loss.According to the statistics of the Ministry of Public Health, in 1000 routine accidents, only have the wounded of 14.3% to ride in ambulances in time to arrive hospital and give treatment to, most of the wounded not to count and dead because rescue.At present in automotive safety research field, although more and more perfect automobile collision protection system effectively can reduce the mortality ratio in traffic accident process, also there is a lot of drawback in it, as can not and alarm obtain rescue etc.So after traffic accident inevitably occurs, how as possible minimizing personnel property loss is the problem that current all circles all comparatively pay close attention to.
The car accident warning system existed on the market now, car accident scene can be obtained in time and obtain relief in time, traffic hazard is there is in this system mainly through judging whether the detection of car speed, therefore its drawback existed often produces wrong report, not only reduce the reliability of system, waste the man power and material of rescue.
Summary of the invention
Technical matters to be solved by this invention provides a kind of vehicle collision detection method and fast processing system for the higher problem of current car accident warning system rate of false alarm, can judge whether accurately traffic hazard occurs and obtain in time to rescue help.
The technical scheme that the present invention solves the employing of its technical matters is: a kind of vehicle collision detection method, mainly comprises the following steps:
S1, setting collision parameter, comprising: the first preset time T
1, the second preset time T
2, predetermined acceleration value K, pre-set velocity value V;
S2, collection vehicle real time acceleration value M, real-time speed value N;
If S3 is in the first preset time T
1in, the real time acceleration value M of vehicle exceedes predetermined acceleration value K, then represent and trigger doubtful collision detection, and enter step S4, otherwise return step S2;
S4, the first preset time T
1after end, if in ensuing second preset time T
2in, vehicle real-time speed value N drops to below pre-set velocity value V, then confirm to collide, and enter step S5, otherwise get rid of doubtful collision information, and return step S2;
S5, by vehicle present position information, at T
1the maximum acceleration value M that time collects, maximum speed value N are sent to third party Surveillance center, and third party Surveillance center rescues according to obtaining information arrangement.
Further, described first preset time T
1scope be 0 ~ 1 second.
Further, described first preset time T
1it is 0.2 second.
Further, described second preset time T
2scope be 0 ~ 12 second.
Further, described second preset time T
2it is 10 seconds.
Further, the scope of described predetermined acceleration value K is 2800mg ~ 8000mg.
Further, described predetermined acceleration value K is 3000mg.
Further, the scope of described pre-set velocity value V is 0 ~ 5km/h.
Further, described pre-set velocity value V is 3km/h.
Simultaneously, for said method, the present invention also provides a kind of vehicle collision to detect fast processing system, comprise: control module, acceleration collecting unit, speed acquisition unit and communication unit, described acceleration unit is used for collection vehicle real time acceleration value M, and will collect real time acceleration value M and transfer to control module; Speed acquisition unit is used for the real-time speed value N of collection vehicle, and will collect real-time speed value N and transfer to control module; Described control module is used for the real time acceleration value M received, real-time speed value N and preset value to compare, and determines whether to collide; Described communication unit is used for vehicle present position information occurring, at T
1the maximum acceleration value M that time collects, maximum speed value N are sent to third party Surveillance center.
Further, the real time acceleration value M received and acceleration preset value K compares, if in the first preset time T by described control module
1the real time acceleration value M of interior vehicle exceedes predetermined acceleration value K, then control module is judged to doubtful collision occurs, and continuation is compared, real-time speed value N and speed preset value V if in the second preset time T
2the real-time speed value N of interior vehicle is reduced to below pre-set velocity value V, then control module judges to collide; Collision information is sent to communication unit simultaneously.
Further, described control module adopts dsp chip to realize.
Further, described acceleration collecting unit adopts acceleration transducer to realize.
Further, described speed acquisition unit adopts GPS chip to realize.
Beneficial effect of the present invention: a kind of vehicle collision detection method of the present invention and fast processing system, by the improvement to collision detection algorithm, effectively can promote the accuracy rate of collision detection, reduce rate of false alarm; Meanwhile, parameter of the present invention can be arranged according to the concrete condition of different automobile types, makes this programme have more practicality in actual use.
Accompanying drawing explanation
Fig. 1 is the FB(flow block) of a kind of vehicle collision detection method of the embodiment of the present invention;
Fig. 2 is the structured flowchart of a kind of vehicle collision detection fast processing system of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further elaborated.
Be illustrated in figure 1 the system chart of a kind of vehicle collision detection method of the embodiment of the present invention, mainly comprise the following steps:
S1, setting collision parameter, comprising: the first preset time T
1, the second preset time T
2, predetermined acceleration value K, pre-set velocity value V;
S2, collection vehicle real time acceleration value M, real-time speed value N;
If S3 is in the first preset time T
1in, the real time acceleration value M of vehicle exceedes predetermined acceleration value K, then represent and trigger doubtful collision detection, and enter step S4, otherwise return step S2;
S4, the first preset time T
1after end, if in ensuing second preset time T
2in, vehicle real-time speed value N drops to below pre-set velocity value V, then confirm to collide, and enter step S5, otherwise get rid of doubtful collision information, and return step S2;
S5, by vehicle present position information, at T
1the maximum acceleration value M that time collects, maximum speed value N are sent to third party Surveillance center, and third party Surveillance center rescues according to obtaining information arrangement.
Whether a kind of vehicle collision detection method of the present invention detects mainly through adopting the collision detection algorithm of innovation to crash to vehicle; Usual vehicle is in normal driving process, no matter that the accekeration of acceleration or deceleration vehicle is general all in a fixing scope, certainly dissimilar vehicle also can be different and scope is different because quality, but the vehicle of same type is nearly all a fixing scope, therefore, first by judging that the accekeration of vehicle is whether in fixing scope, thus judge that whether vehicle is in normal traveling; But safety continues situation about travelling again after also there is the braking that vehicle occurs in emergency condition once in a while, therefore whether the present invention program is after the acceleration detecting vehicle normal variation, whether the velocity amplitude continuing again to detect vehicle sharply reduces, therefore, it is possible to ensure further to detect vehicle produces hard brake stop situation because crashing.
The first preset time T described in the present invention
1, the second preset time T
2, predetermined acceleration value K, pre-set velocity value V occur and a value range of setting according to repeatedly accident experience, different vehicles can according to circumstances be finely tuned.
In the present invention program, described first preset time T
1scope be 0 ~ 1 second, preferential first preset time T
1it is 0.2 second; Described second preset time T
2scope be 0 ~ 12 second, preferably the second preset time T
2it is 10 seconds; The scope of described predetermined acceleration value K is 2800mg ~ 8000mg, and preferred predetermined acceleration value K is 3000mg; The scope of described pre-set velocity value V is 0 ~ 5km/h, and preferred pre-set velocity value V is 3km/h.
Simultaneously, for said method, present invention also offers a kind of vehicle collision fast processing system based on said method, be illustrated in figure 2 the structured flowchart of present system, comprise: control module, acceleration collecting unit, speed acquisition unit and communication unit, described acceleration unit is used for collection vehicle real time acceleration value M, and will collect real time acceleration value M and transfer to control module; Speed acquisition unit is used for the real-time speed value N of collection vehicle, and will collect real-time speed value N and transfer to control module; Described control module is used for the real time acceleration value M received, real-time speed value N and preset value to compare, and determines whether to collide; Described communication unit is used for vehicle present position information occurring, at T
1the maximum acceleration value M that time collects, maximum speed value N are sent to third party Surveillance center.
Wherein, how control module carries out detection according to the real time acceleration value M collected and velocity amplitude N to whether colliding and will be described in more detail below, and initialization system is provided with collision parameter before collection accekeration M and velocity amplitude N: the first preset time T
1, the second preset time T
2, predetermined acceleration value K, pre-set velocity value V; In vehicle travel process, the real time acceleration value M received and acceleration preset value K compares, if in the first preset time T by described control module
1the real time acceleration value M of interior vehicle exceedes predetermined acceleration value K, then control module is judged to doubtful collision occurs, and continues real-time speed value N and speed preset value V to compare, if in the second preset time T
2the real-time speed value N of interior vehicle is reduced to below pre-set velocity value V, then control module judges to collide; Collision information is sent to communication unit simultaneously.
The accekeration that said system is preset by the real time acceleration of collection vehicle and velocity amplitude and system and velocity amplitude compare within the time of presetting, determine whether vehicle collision accident occurs, if have an accident, then in time the accekeration of vehicle present position information, collision vehicle in front and velocity amplitude can be sent to third party Surveillance center.Wherein third party Surveillance center can be the third parties such as governmental transportation body, 4S shop or service center, after receiving collision happens information, can according to the grade of the accekeration of vehicle, speed preliminary judgement accident, and then arrangement rescue method, realize promptness and the rationality of rescue.Wherein communication unit can adopt any communication mode of the prior art and third party Surveillance center to realize data communication, such as, adopt the modes such as GPRS communication, Internet.
In the present invention, control module can adopt dsp chip to realize, acceleration collecting unit adopts the collection of acceleration transducer realization to vehicle real time acceleration value, speed acquisition unit adopts the collection of GPS chip realization to the real-time speed value of vehicle, simultaneously GPS chip can also the positional information of collection vehicle, acceleration transducer, GPS chip will collect value of vehicle acceleration and velocity amplitude is uploaded to control module in real time, is judged by control module.
Can understand in order to those skilled in the art and implement technical solution of the present invention, the present patent application scheme will be set forth in conjunction with instantiation.
Setting scheme background is that vehicle should possess control module, acceleration and speed acquisition device, and microprocessor, acceleration transducer, GPS chip can be adopted to realize; Setting vehicle sets collision parameter, the first preset time T before traveling
1be set as 0.2s, the second preset time T
2be set as 10s, predetermined acceleration value K is set as 3000mg, and pre-set velocity value V is set as 3km/h; After vehicle enters normal traveling, the real time acceleration value of acceleration transducer, GPS chip collection vehicle and velocity amplitude, microprocessor realizes monitoring function; When monitoring vehicle within the time of 0.2s, accekeration all more than 3000mg, then shows that vehicle is in improper acceleration mode, may occur doubtful collision; Microprocessor continues monitoring, if speed drops to below 3km/h within the time of 10s, then represents that collision accident has appearred in vehicle; The vehicle maximum acceleration value collected, maximum speed value, vehicle position information can be uploaded to Surveillance center by microprocessor simultaneously, can arrange rescue method in time, and accurately find accident spot after Surveillance center receives alerting signal.
Those of ordinary skill in the art will appreciate that, embodiment described here is to help reader understanding's principle of the present invention, should be understood to that protection scope of the present invention is not limited to so special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combination of not departing from essence of the present invention according to these technology enlightenment disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.
Claims (10)
1. a vehicle collision detection method, is characterized in that, comprising:
S1, setting collision parameter, comprising: the first preset time T
1, the second preset time T
2, predetermined acceleration value K, pre-set velocity value V;
S2, collection vehicle real time acceleration value M, real-time speed value N;
If S3 is in the first preset time T 1, the real time acceleration value M of vehicle exceedes predetermined acceleration value K, then represent and trigger doubtful collision detection, and enter step S4, otherwise return step S2;
After S4, the first preset time T 1 terminate, if in ensuing second preset time T 2, vehicle real-time speed value N drops to below pre-set velocity value V, then confirm to collide, and enter step S5, otherwise get rid of doubtful collision information, and return step S2;
S5, vehicle present position information, the maximum acceleration value M, the maximum speed value N that collect in the T1 time are sent to third party Surveillance center, third party Surveillance center rescues according to obtaining information arrangement.
2. the method for claim 1, is characterized in that, described first preset time T
1scope be 0 ~ 1 second.
3. the method for claim 1, is characterized in that, described second preset time T
2scope be 0 ~ 12 second.
4. the method for claim 1, is characterized in that, the scope of described predetermined acceleration value K is 2800mg ~ 8000mg.
5. the method for claim 1, is characterized in that, the scope of described pre-set velocity value V is 0 ~ 5km/h.
6. a vehicle collision detects fast processing system, comprise: control module, acceleration collecting unit, speed acquisition unit and communication unit, described acceleration unit is used for collection vehicle real time acceleration value M, and will collect real time acceleration value M and transfer to control module; Speed acquisition unit is used for the real-time speed value N of collection vehicle, and will collect real-time speed value N and transfer to control module; Described control module is used for the real time acceleration value M received, real-time speed value N and the acceleration preset, velocity amplitude value to compare, and determines whether to collide; Described communication unit is used for there is vehicle present position information, the maximum acceleration value M, the maximum speed value N that collect in the T1 time are sent to third party Surveillance center.
7. system as claimed in claim 6, it is characterized in that, the real time acceleration value M received and acceleration preset value K compares by described control module, if the real time acceleration value M of vehicle exceedes predetermined acceleration value K in the first preset time T 1, then control module is judged to doubtful collision occurs, and real-time speed value N and speed preset value V is compared, if in the second preset time T by continuation
2the real-time speed value N of interior vehicle is reduced to below pre-set velocity value V, then control module judges to collide; Collision information is sent to communication unit simultaneously.
8. system as claimed in claims 6 or 7, is characterized in that, described control module adopts dsp chip to realize.
9. system as claimed in claims 6 or 7, is characterized in that, described acceleration collecting unit adopts acceleration transducer to realize.
10. system as claimed in claims 6 or 7, is characterized in that, described speed acquisition unit adopts GPS chip to realize.
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| CN201510497542.9A CN105070059B (en) | 2015-08-13 | 2015-08-13 | A kind of vehicle collision detection method and quick processing system |
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| CN201510497542.9A CN105070059B (en) | 2015-08-13 | 2015-08-13 | A kind of vehicle collision detection method and quick processing system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106781510A (en) * | 2017-03-14 | 2017-05-31 | 上海保橙网络科技有限公司 | A kind of method of the event that collided in use mobile phone automatic detection driving procedure |
| CN107798858A (en) * | 2017-09-28 | 2018-03-13 | 成都路行通信息技术有限公司 | A kind of vehicle collision information push method and system |
| CN108062856A (en) * | 2017-12-18 | 2018-05-22 | 广州亚美信息科技有限公司 | A kind of vehicle impact detection system and method based on vehicle-mounted OBD interfaces |
| CN109741483A (en) * | 2018-12-11 | 2019-05-10 | 成都路行通信息技术有限公司 | A kind of car crass detection method based on car networking platform |
| CN110143200A (en) * | 2019-04-01 | 2019-08-20 | 深圳市元征科技股份有限公司 | A kind of vehicle status data acquisition methods, device, mobile unit and storage medium |
| CN110775181A (en) * | 2019-10-23 | 2020-02-11 | 上海钧正网络科技有限公司 | Vehicle safety state monitoring method and device, computer equipment and storage medium |
| CN111667692A (en) * | 2020-06-15 | 2020-09-15 | 惠州市博实结科技有限公司 | Vehicle accident automatic processing method, vehicle-mounted terminal and vehicle |
| CN112327814A (en) * | 2020-11-23 | 2021-02-05 | 宝能(西安)汽车研究院有限公司 | Vehicle fault processing method and system |
| CN114771453A (en) * | 2022-05-30 | 2022-07-22 | 深圳市沃达孚科技有限公司 | Vehicle collision detection method and device, vehicle-mounted system and computer equipment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781510A (en) * | 2017-03-14 | 2017-05-31 | 上海保橙网络科技有限公司 | A kind of method of the event that collided in use mobile phone automatic detection driving procedure |
| CN107798858A (en) * | 2017-09-28 | 2018-03-13 | 成都路行通信息技术有限公司 | A kind of vehicle collision information push method and system |
| CN108062856A (en) * | 2017-12-18 | 2018-05-22 | 广州亚美信息科技有限公司 | A kind of vehicle impact detection system and method based on vehicle-mounted OBD interfaces |
| CN109741483A (en) * | 2018-12-11 | 2019-05-10 | 成都路行通信息技术有限公司 | A kind of car crass detection method based on car networking platform |
| CN110143200A (en) * | 2019-04-01 | 2019-08-20 | 深圳市元征科技股份有限公司 | A kind of vehicle status data acquisition methods, device, mobile unit and storage medium |
| CN110775181A (en) * | 2019-10-23 | 2020-02-11 | 上海钧正网络科技有限公司 | Vehicle safety state monitoring method and device, computer equipment and storage medium |
| CN110775181B (en) * | 2019-10-23 | 2021-09-07 | 上海钧正网络科技有限公司 | Vehicle safety state monitoring method and device, computer equipment and storage medium |
| CN111667692A (en) * | 2020-06-15 | 2020-09-15 | 惠州市博实结科技有限公司 | Vehicle accident automatic processing method, vehicle-mounted terminal and vehicle |
| CN112327814A (en) * | 2020-11-23 | 2021-02-05 | 宝能(西安)汽车研究院有限公司 | Vehicle fault processing method and system |
| CN114771453A (en) * | 2022-05-30 | 2022-07-22 | 深圳市沃达孚科技有限公司 | Vehicle collision detection method and device, vehicle-mounted system and computer equipment |
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