CN105070059B - A kind of vehicle collision detection method and quick processing system - Google Patents
A kind of vehicle collision detection method and quick processing system Download PDFInfo
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Abstract
The invention discloses a kind of vehicle collision detection method and quick processing system, the method mainly includes the setting preset time T of collision parameter first1, the second preset time T2, predetermined acceleration value K, pre-set velocity value V；Collection vehicle real time acceleration value M, real-time speed value N；Judge in the first preset time T1Interior, whether the real time acceleration value M of vehicle is above predetermined acceleration value K；In the second preset time T2Interior, whether vehicle real-time speed value N drops to below pre-set velocity value V；Finally by vehicle present position information, in T1Maximum acceleration value M, the maximum speed value N that time collects are sent to third party Surveillance center, and third party Surveillance center rescues according to format is obtained.By can effectively lift the accuracy rate of collision detection using the inventive method and system, rate of false alarm is reduced.
Description
Technical field
The invention belongs to information of vehicles detection technique field, and in particular to a kind of vehicle collision detection method and based on this
The quick processing system of method.
Background technology
The facility brought with the living trip that the development of automobile industry gives people, the annual vehicle fleet size in the whole nation is all continuous
In growth, but accident is also constantly increasing simultaneously, there is 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 accidents, only 14.3% the wounded can in time take and rescue
Shield car reaches hospital and is given treatment to, and most of the wounded can be dead because rescue is not counted.At present in automotive safety research neck
Domain, although more and more perfect automobile collision protection system can effectively reduce the death rate during traffic accident, but it there is also
Many drawbacks, such as can not and alarm obtain rescue.So after traffic accident inevitably occurs, how to reduce as possible
Personnel's property loss is the problem that current all circles all more pay close attention to.
Car accident warning system present on present market, can in time obtain car accident scene and obtain in time
Relief, the system mainly judges whether traffic accident by the detection to car speed, thus its be the drawbacks of exist through
Wrong report is often produced, the reliability of system is not only reduced, the man power and material of rescue is wasted.
The content of the invention
The technical problems to be solved by the invention are directed to current car accident warning system rate of false alarm problem higher
And a kind of vehicle collision detection method and quick processing system are provided, can accurately judge whether that traffic accident occurs simultaneously in time
Help is rescued in acquisition.
The present invention solve its technical problem use technical scheme be：A kind of vehicle collision detection method, it is main include with
Lower step：
S1, setting collision parameter, including：First preset time T1, the second preset time T2, it is predetermined acceleration value K, default
Velocity amplitude V；
S2, collection vehicle real time acceleration value M, real-time speed value N；
If S3, in the first preset time T1Interior, the real time acceleration value M of vehicle is above predetermined acceleration value K, then it represents that
Doubtful collision detection is triggered, and enters step S4, otherwise return to step S2；
S4, the first preset time T1After end, if in ensuing second preset time T2It is interior, under vehicle real-time speed value N
Below pre-set velocity value V is down to, then confirms to collide, and enter step S5, otherwise exclude doubtful collision information, and return to step
Rapid S2；
S5, by vehicle present position information, in T1Maximum acceleration value M, the maximum speed value N that time collects send to
Third party Surveillance center, third party Surveillance center rescues according to format is obtained.
Further, first preset time T1Scope be 0~1 second.
Further, first preset time T1It is 0.2 second.
Further, second preset time T2Scope be 0~12 second.
Further, second preset time T2It is 10 seconds.
Further, the scope of the predetermined acceleration value K is 2800mg~8000mg.
Further, the predetermined acceleration value K is 3000mg.
Further, the scope of the pre-set velocity value V is 0~5km/h.
Further, the pre-set velocity value V is 3km/h.
Meanwhile, for the above method, the present invention also provides a kind of vehicle collision and detects quick processing system, including：Control
Unit, acceleration collecting unit, speed acquisition unit and communication unit, the acceleration unit add in real time for collection vehicle
Velocity amplitude M, and real time acceleration value M will be collected transmit to control unit；Speed acquisition unit is used for the real-time of collection vehicle
Velocity amplitude N, and real-time speed value N will be collected transmit to control unit；Described control unit be used for receive real-time plus
Velocity amplitude M, real-time speed value N and preset value are compared, and determine whether to collide；The communication unit is used for car
Present position information, in T1Maximum acceleration value M, the maximum speed value N that time collects are sent to third party Surveillance center.
Further, the real time acceleration value M that described control unit will be received is compared with acceleration preset value K,
If in the first preset time T1The real time acceleration value M of interior vehicle is above predetermined acceleration value K, then control unit is judged to hair
Become suspicious like collision, and will continue to be compared real-time speed value N with speed preset value V, if in the second preset time T2Interior car
Real-time speed value N be reduced to below pre-set velocity value V, then control unit judge collide；Collision information is sent out simultaneously
Deliver to communication unit.
Further, described control unit is realized using dsp chips.
Further, the acceleration collecting unit is realized using acceleration transducer.
Further, the speed acquisition unit is realized using GPS chip.
Beneficial effects of the present invention：A kind of vehicle collision detection method of the invention and quick processing system, by collision
The improvement of detection algorithm, can effectively lift the accuracy rate of collision detection, reduce rate of false alarm；Meanwhile, parameter of the present invention can be according to not
It is configured with the concrete condition of vehicle, this programme is had more practicality in actual use.
Brief description of the drawings
Fig. 1 is a kind of FB(flow block) of vehicle collision detection method of the embodiment of the present invention；
Fig. 2 detects the structured flowchart of quick processing system for a kind of vehicle collision of the embodiment of the present invention.
Specific embodiment
The invention will be further elaborated with specific embodiment below in conjunction with the accompanying drawings.
It is as shown in Figure 1 a kind of system block diagram of vehicle collision detection method of the embodiment of the present invention, mainly including following
Step：
S1, setting collision parameter, including：First preset time T1, the second preset time T2, it is predetermined acceleration value K, default
Velocity amplitude V；
S2, collection vehicle real time acceleration value M, real-time speed value N；
If S3, in the first preset time T1Interior, the real time acceleration value M of vehicle is above predetermined acceleration value K, then it represents that
Doubtful collision detection is triggered, and enters step S4, otherwise return to step S2；
S4, the first preset time T1After end, if in ensuing second preset time T2It is interior, under vehicle real-time speed value N
Below pre-set velocity value V is down to, then confirms to collide, and enter step S5, otherwise exclude doubtful collision information, and return to step
Rapid S2；
S5, by vehicle present position information, in T1Maximum acceleration value M, the maximum speed value N that time collects send to
Third party Surveillance center, third party Surveillance center rescues according to format is obtained.
Whether a kind of vehicle collision detection method of the present invention is mainly sent out vehicle by the collision detection algorithm using innovation
Raw collision accident is detected；Usual vehicle in normal driving process, the either acceleration magnitude one of acceleration or deceleration vehicle
As all in a fixed scope, certain different types of vehicle as quality is different and scope is different, but same class
The vehicle of type nearly all in a fixed scope, therefore, first by whether judging the acceleration magnitude of vehicle in fixed model
In enclosing, so as to judge vehicle whether in normally travel；But vehicle can also occur once in a while to pacify again after the braking that emergency occurs
The full situation for continuing to travel, therefore whether the present invention program continues to detect car again in the acceleration after normal variation of detection vehicle
Velocity amplitude whether drastically reduce, therefore, it is possible to ensure that further detection vehicle produces urgent system because crashing
The situation of dynamic parking.
The first heretofore described preset time T1, the second preset time T2, predetermined acceleration value K, pre-set velocity value V
All it is the value range for being occurred according to multiple accident experience and being set, different vehicles can according to circumstances be finely adjusted.
In the present invention program, first preset time T1Scope be 0~1 second, preferential first preset time T1For
0.2 second；Second preset time T2Scope be 0~12 second, preferably the second preset time T2It is 10 seconds；The default acceleration
The scope of angle value K is 2800mg~8000mg, and preferably predetermined acceleration value K is 3000mg；The scope of the pre-set velocity value V is
0~5km/h, preferably pre-set velocity value V are 3 km/h.
Meanwhile, for the above method, present invention also offers a kind of quick processing system of the vehicle collision based on the above method
System, is illustrated in figure 2 the structured flowchart of present system, including：Control unit, acceleration collecting unit, speed acquisition unit
And communication unit, the acceleration unit is used for collection vehicle real time acceleration value M, and will collect real time acceleration value M
Transmit to control unit；Speed acquisition unit is used for the real-time speed value N of collection vehicle, and will collect real-time speed value N biographies
Transport to control unit；Real time acceleration value M, real-time speed value N and the preset value that described control unit is used to receive are carried out
Compare, determine whether to collide；The communication unit is used for by generation vehicle present position information, in T1What the time collected
Maximum acceleration value M, maximum speed value N are sent to third party Surveillance center.
Wherein, control unit how according to the real time acceleration value M that collects and velocity amplitude N to whether colliding and carrying out
Detection will be described in more detail below, and initialization system has been provided with collision parameter before acceleration magnitude M and velocity amplitude N is gathered：First
Preset time T1, the second preset time T2, predetermined acceleration value K, pre-set velocity value V；In vehicle travel process, the control
The real time acceleration value M that unit will be received is compared with acceleration preset value K, if in the first preset time T1Interior vehicle
Real time acceleration value M is above predetermined acceleration value K, then control unit is judged to doubtful collision, and continues real-time speed
Angle value N is compared with speed preset value V, if in the second preset time T2The real-time speed value N of interior vehicle is reduced to default speed
Below angle value V, then control unit judgement collides；Collision information is sent to communication unit simultaneously.
Real time acceleration and velocity amplitude and system acceleration magnitude set in advance and speed that said system passes through collection vehicle
Angle value is compared within the default time, determines whether vehicle collision accident, if there is accident, can in time by car
Present position information, the acceleration magnitude of collision vehicle in front and velocity amplitude are sent to third party Surveillance center.Wherein third party supervises
Control center can be the third parties such as governmental transportation body, 4S shops or service center, be collided information when vehicle is received
Afterwards, according to the acceleration magnitude of vehicle, the grade of speed preliminary judgement accident, and then rescue method can be arranged, realizes rescue
Promptness and reasonability.Wherein communication unit can be using any communication mode of the prior art and third party Surveillance center reality
Existing data communication, for example with modes such as GPRS communications, Internet.
In the present invention, control unit can realize that acceleration collecting unit uses acceleration transducer using dsp chip
The collection to vehicle real time acceleration value is realized, speed acquisition unit is realized to the real-time speed value of vehicle using GPS chip
Collection, at the same GPS chip can also collection vehicle positional information, acceleration transducer, GPS chip will collect vehicle acceleration
Value and velocity amplitude are uploaded to control unit in real time, are judged by control unit.
In order to skilled artisans appreciate that and implement technical solution of the present invention, the present patent application scheme will be combined
Instantiation is illustrated.
Setting scheme background is that vehicle should possess control unit, acceleration and speed acquisition device, can use microprocessor
Device, acceleration transducer, GPS chip are realized；Setting vehicle has set collision parameter, the first preset time T before traveling1If
It is set to 0.2s, the second preset time T2It is set as that 10s, predetermined acceleration value K are set as that 3000mg, pre-set velocity value V are set as
3km/h；After vehicle enters normally travel, acceleration transducer, the real time acceleration value and speed of GPS chip collection vehicle
Value, microprocessor realizes monitoring function；When vehicle is monitored within the time of 0.2s, acceleration magnitude is above 3000mg, then table
Bright vehicle is in improper acceleration mode, in fact it could happen that doubtful collision；Microprocessor continues to monitor, if within the time of 10s
Speed drops to 3 below km/h, then it represents that vehicle occurs in that collision accident；The vehicle that microprocessor will can be collected simultaneously is most
High acceleration value, maximum speed value, vehicle position information are uploaded to Surveillance center, can after Surveillance center receives alarm signal
Rescue method is arranged in time, and accurately finds accident spot.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can according to these technical inspirations disclosed by the invention make it is various do not depart from essence of the invention other are each
Plant specific deformation and combine, these deformations and combination are still within the scope of the present invention.
Claims (5)
1. a kind of vehicle collision detection method, it is characterised in that including：
S1, setting collision parameter, including：First preset time T1, the second preset time T2, predetermined acceleration value K, pre-set velocity
Value V；First preset time T1Scope be 0~1 second；Second preset time T2Scope be 0~12 second；It is described pre-
If the scope of acceleration magnitude K is 2800mg~8000mg；The scope of the pre-set velocity value V is 0~5km/h；
S2, collection vehicle real time acceleration value M, real-time speed value N；
If S3, in the first preset time T 1, the real time acceleration value M of vehicle is above predetermined acceleration value K, then it represents that triggering
Doubtful collision detection, and enter step S4, otherwise return to 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 declines
To below pre-set velocity value V, then confirm to collide, and enter step S5, otherwise exclude doubtful collision information, and return to step
S2；
S5, vehicle present position information, the maximum acceleration value M, the maximum speed value N that are collected in the T1 times are sent to the 3rd
Square Surveillance center, third party Surveillance center rescues according to format is obtained.
2. a kind of vehicle collision detects quick processing system, including：Control unit, acceleration collecting unit, speed acquisition unit
And communication unit, the acceleration unit is used for collection vehicle real time acceleration value M, and will collect real time acceleration value M
Transmit to control unit；Speed acquisition unit is used for the real-time speed value N of collection vehicle, and will collect real-time speed value N biographies
Transport to control unit；Described control unit is used for real time acceleration value M, the real-time speed value N that will be received and default acceleration
Degree, velocity amplitude value are compared, and determine whether to collide；The communication unit be used to occurring vehicle present position information,
Maximum acceleration value M, the maximum speed value N collected in the T1 times are sent to third party Surveillance center；
The real time acceleration value M that described control unit will be received is compared with acceleration preset value K, if when first is default
Between in T1 the real time acceleration value M of vehicle be above predetermined acceleration value K, then control unit is judged to doubtful collision, and
To continue to be compared real-time speed value N with speed preset value V, if in the second preset time T2The real-time speed value of interior vehicle
N is reduced to below pre-set velocity value V, then control unit judges to collide；Collision information is sent to communication unit simultaneously.
3. system as claimed in claim 2, it is characterised in that described control unit is realized using dsp chips.
4. system as claimed in claim 2, it is characterised in that the acceleration collecting unit uses acceleration transducer reality
It is existing.
5. system as claimed in claim 2, it is characterised in that the speed acquisition unit is realized using GPS chip.
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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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| 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 |
| CN108062856B (en) * | 2017-12-18 | 2020-04-17 | 广州亚美信息科技有限公司 | Vehicle collision detection system and method based on vehicle-mounted OBD interface |
| CN109741483B (en) * | 2018-12-11 | 2021-12-03 | 成都路行通信息技术有限公司 | Automobile collision detection method based on Internet of vehicles 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 |
| 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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