CN105069999A - Vehicle collision alarm detection method and processing system - Google Patents
Vehicle collision alarm detection method and processing system Download PDFInfo
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- CN105069999A CN105069999A CN201510498069.6A CN201510498069A CN105069999A CN 105069999 A CN105069999 A CN 105069999A CN 201510498069 A CN201510498069 A CN 201510498069A CN 105069999 A CN105069999 A CN 105069999A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/016—Personal emergency signalling and security systems
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Abstract
The invention discloses a vehicle collision alarm detection method and a processing system. The method mainly comprises the steps that collision parameters of first preset time T1, second preset time T2, third preset time T3, 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 the real-time speed values N of the vehicle within the third preset time T3 are all lower than V; 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 alarm detection procedure and the disposal 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 alarm detection procedure and disposal 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 alarm detection procedure, mainly comprises the following steps:
S1, setting collision parameter, comprising: the first preset time T
1, the second preset time T
2, the 3rd preset time T
3, 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, be then judged to be doubtful collision, and enter step S5, otherwise terminates doubtful collision detection, and returns step S2;
S5, the second preset time T
2after end, if in ensuing 3rd preset time T
3in, vehicle real-time speed value N is no more than pre-set velocity value V, then confirm to collide, and enter step S6, otherwise eliminating collides, and return step S2;
S6, 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, described 3rd preset time T
3scope be 60 ~ 255 seconds.
Further, described 3rd preset time T
3it is 90 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 alarm detection disposal 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, and in ensuing 3rd preset time T
3in, vehicle real-time speed value N is no more than 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 alarm detection procedure of the present invention and disposal 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 alarm detection procedure of the embodiment of the present invention;
Fig. 2 is the structured flowchart of a kind of vehicle collision alarm detection disposal 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 alarm detection procedure 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, the 3rd preset time T
3, 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, be then judged to be doubtful collision, and enter step S5, otherwise terminates doubtful collision detection, and returns step S2;
S5, the second preset time T
2after end, if in ensuing 3rd preset time T
3in, vehicle real-time speed value N is no more than pre-set velocity value V, then confirm to collide, and enter step S6, otherwise eliminating collides, and return step S2;
S6, 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 alarm detection procedure 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, and whether exceed a certain setting value in a period of time after reduction, therefore, it is possible to ensure further to detect vehicle produces hard brake stop situation because crashing, reduce rate of false alarm.
The first preset time T described in the present invention
1, the second preset time T 2, the 3rd preset time T
3, 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; Described 3rd preset time T
3scope be 60 ~ 255 seconds, preferably the 3rd preset time T
3it is 90 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 car alarming crash handling 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, the 3rd preset time T
3, 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 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, and in ensuing 3rd preset time T
3in, vehicle real-time speed value N is no more than 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, the 3rd preset time T
3be set as 90s, 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 and confirms that doubtful collision accident has appearred in vehicle; Microprocessor continues monitoring, if within the time of 90s, car speed is all at below 3km/h, then represent and vehicle collision occurs, the vehicle maximum acceleration value collected, maximum speed value, vehicle position information can be uploaded to Surveillance center by microprocessor simultaneously, rescue method can be arranged in time after Surveillance center receives alerting signal, and accurately find accident spot.
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 (9)
1. a vehicle collision alarm detection procedure, is characterized in that, comprising:
S1, setting collision parameter, comprising: the first preset time T
1, the second preset time T
2, the 3rd preset time T
3, 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, be then judged to be doubtful collision, and enter step S5, otherwise terminates doubtful collision detection, and returns step S2;
After S5, the second preset time T 2 terminate, if in ensuing 3rd preset time T 3, vehicle real-time speed value N is no more than pre-set velocity value V, then confirm to collide, and enter step S6, otherwise eliminating collides, and return step S2;
S6, 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, the scope of described first preset time T 1 is 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, described 3rd preset time T
3scope be 60 ~ 255 seconds.
5. the method for claim 1, is characterized in that, the scope of described predetermined acceleration value K is 2800mg ~ 8000mg.
6. the method for claim 1, is characterized in that, the scope of described pre-set velocity value V is 0 ~ 5km/h.
7. a vehicle collision alarm detection disposal 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.
8. system as claimed in claim 7, 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, and in ensuing 3rd preset time T
3in, vehicle real-time speed value N is no more than pre-set velocity value V, then control module judges to collide; Collision information is sent to communication unit simultaneously.
9. system as claimed in claim 7 or 8, is characterized in that, described control module adopts dsp chip to realize, and described acceleration collecting unit adopts acceleration transducer to realize, and described speed acquisition unit employing GPS chip realizes.
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| CN201510498069.6A CN105069999B (en) | 2015-08-13 | 2015-08-13 | A kind of vehicle collision alarm detection procedure and processing system |
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| CN201510498069.6A CN105069999B (en) | 2015-08-13 | 2015-08-13 | A kind of vehicle collision alarm detection procedure and processing system |
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| CN105069999B CN105069999B (en) | 2017-08-25 |
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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 |
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| CN107742417A (en) * | 2017-09-13 | 2018-02-27 | 成都路行通信息技术有限公司 | A kind of car accident alarm method and device |
| 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 |
| CN109342765A (en) * | 2018-10-12 | 2019-02-15 | 成都四方伟业软件股份有限公司 | Vehicle collision detection method and device |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106887054A (en) * | 2017-01-17 | 2017-06-23 | 福建天泉教育科技有限公司 | A kind of method and system of the doubtful accident condition of marked vehicle |
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| CN109342765B (en) * | 2018-10-12 | 2020-11-10 | 成都四方伟业软件股份有限公司 | Vehicle collision detection method and device |
| 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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| CN105069999B (en) | 2017-08-25 |
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