CN102610069A - Acceleration-sensor-based collision detection and alarming system and method thereof - Google Patents
Acceleration-sensor-based collision detection and alarming system and method thereof Download PDFInfo
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- CN102610069A CN102610069A CN2012100742125A CN201210074212A CN102610069A CN 102610069 A CN102610069 A CN 102610069A CN 2012100742125 A CN2012100742125 A CN 2012100742125A CN 201210074212 A CN201210074212 A CN 201210074212A CN 102610069 A CN102610069 A CN 102610069A
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Abstract
The invention discloses a acceleration-sensor-based collision detection and alarming system and an acceleration-sensor-based collision detection and alarming method. The system mainly comprises a client and a server, wherein the client is connected with the server through a network, is installed at the middle position of an automobile to ensure that the system cannot be damaged in collision, and is used for monitoring whether the automobile collides or not, and transmitting own position information to the server through a wireless network if collision occurs; and the server is used for acquiring the position information when the automobile collides, and displaying the position information on a map. Help is offered to the accident handling of related staff. The client is connected with the server in a network transmission way. By the system and the method, when the automobile collides, the automobile can be rapidly positioned, and an alarm can be automatically given, so that powerful help can be offered to the saving of lives and reduction in property loss.
Description
Technical field
The present invention relates to moving object collision detection and alarm technique, relate in particular to collision detection and warning system and method thereof based on acceleration transducer, also relate to positioning system, background processing system, transmission system etc., this invention can be applied in fields such as automobile.
Background technology
From the first in the world automobile birth on January 29th, 1886 till now, the course that automobile industry was passed by more than 100 year.In these more than 100 years, automobile industry is grown out of nothing, and is big from little change, and the world car recoverable amount has reached about 1,000,000,000 amounts at present, estimates that the year two thousand twenty whole world automobile volume of production and marketing can reach 93,000,000
Along with the development of the national power of China, Chinese automobile production and marketing in 2010 is respectively 1826.47 ten thousand and 1806.19 ten thousand, has surpassed on the American history the highest about 1,700 ten thousand sales volume and has noted down, and creates global the new highest record in history.This two item of digital is not only continued to hold a post or title the first in the world, has moved more than 600 ten thousand to the gap of the second place U.S..
Be accompanied by the growth of automobile quantity, motor traffic accidents also is significantly to increase.2010, be informed of a case altogether 3906164 of road traffic accidents of the whole nation rose 35.9% on year-on-year basis.Wherein, relate to 219521 of the road traffic accidents of casualties, cause that 65225 people are dead, 254075 people are injured, direct property loss 9.3 hundred million.And wherein cause owing to vehicle bumps against greatly.
For reducing or avoiding this type of accident; Someone has invented vehicle collision detection and warning device, in front part of vehicle installation shock inductor, when automobile bumps; Inductor produces pressure and reports to the police, thereby can in time make the personnel of occurrence of traffic accident or vehicle can access rescue.But there is following shortcoming in this device: because moving object collision detection and alarm principle mainly are based on colliding sensor and obtain, therefore exist following not enough:
Must touch colliding sensor when one, colliding.Collision is very violent sometimes, but does not collide on the inductor, causes automobile not reported to the police.
Two, automobile does not bump sometimes, maybe be because foreign object collide on the inductor because of carelessness, and inductor is false alarm but.
Three, automobile laterally or from behind collides and is difficult to touch-control to inductor, so inductor is not reported to the police yet.
Summary of the invention
In view of this; Fundamental purpose of the present invention is to provide a kind of collision detection and warning system and method thereof based on acceleration transducer; When causing colliding, existing automobile occurrence of traffic accident do not report to the police or problem such as false alarm to solve; With quick positioned vehicle and warning automatically, strong help is provided for saving personnel's life and reducing property loss.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of collision detection and warning system based on acceleration transducer, this system mainly comprises client and server, said client is connected through network with server; Wherein,
Said client is installed on the centre position of automobile, and guaranteeing that system is not damaged in the collision, whether it is used to monitor automobile and bumps, as bumps and then give server end with the positional information of self through wireless network transmissions;
Said server is used for bumping when obtaining automobile, and obtains after the positional information it to be presented on the map, offers help for relevant staff's processing accident;
Said client and server is connected through Network Transmission.
Wherein, said client further comprises:
The geographic position acquisition module is used to obtain the current geographical location information of vehicle;
Acceleration sensor module is used to obtain the automobile accekeration of all directions under steam;
First information processing module is used to handle the data of accekeration, geographical location information, and sends the data that this is handled well to wireless transmitter module;
Wireless transmitter module is used for being responsible for the accekeration that collects, geographical location information are transferred to said server.
Said server further comprises:
Wireless receiving module is used to receive the information that client is sent;
Second message processing module is used to handle the accekeration that said client sends, the data of geographical location information;
Image display is presented at said message processing module data processed information on the electronic chart.
Said wireless network is wireless universal grouping GPRS, Wireless Fidelity Wi-Fi, arbitrary network among the 3-G (Generation Three mobile communication system) 3G.
A kind of collision detection and alarm method based on acceleration transducer, this method comprises:
A, in collision detection and warning system based on acceleration transducer; Acceleration transducer in the client obtains acceleration information in real time, and this accekeration is sent to the affirmation of comparing in the first information processing module, bumps if judge; Then to geographical location information acquisition module request msg; After this geographic position acquisition module was received request, the geography information that snatch is current was given first information processing module with data transmission then;
B, said first information processing module send this data message to wireless transmitter module after judgement information is errorless after all information of acquisition, behind acquired information, give server end through wireless network with data transmission by this wireless transmitter module;
C, after the wireless receiving module of server end obtains the data from client, then this data message is sent to second message processing module through bus;
D, said second message processing module are resolved the data that obtain, and then said data transmission are arrived the image load-on module, through the image load-on module corresponding positional information are presented on the electronic chart.
Collision detection and warning system and method thereof based on acceleration transducer provided by the present invention have the following advantages:
System of the present invention is installed in the middle of the automobile, can guarantee the safety of system.And acceleration transducer can detect the accekeration of automobile all directions, so all directions collision can produce warning.When automobile bumped, this system utilized acceleration transducer and positioning system acquired information, arrived server end through wireless network transmissions.Application the present invention can judge fast whether automobile bumps, and can in time pass to server end to the place of collision generation, and positioned vehicle reaches warning automatically fast, with the reduction property loss strong help is provided for saving personnel's life.
Description of drawings
Fig. 1 is the composition structural representation that the present invention is based on the collision detection and the warning system of acceleration transducer;
Fig. 2 is a client inner function module synoptic diagram shown in Figure 1;
Fig. 3 carries out acceleration detection for client and obtains the process flow diagram of geographical location information;
Fig. 4 is a server inner function module synoptic diagram shown in Figure 1;
Fig. 5 carries out the process flow diagram of message pick-up and processing for server end;
Fig. 6 is one of client collision algorithm process flow diagram shown in Figure 1;
Fig. 7 is two of a client collision algorithm process flow diagram shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing and embodiments of the invention collision detection and warning system and the method thereof based on acceleration transducer of the present invention done further detailed explanation.
Fig. 1 is the composition structural representation that the present invention is based on the collision detection and the warning system of acceleration transducer, and as shown in Figure 1, this system mainly is made up of the client and server two large divisions.Wherein,
Client: be installed on the centre position of automobile, to guarantee that system is not damaged in the collision.Its major function is whether the monitoring automobile bumps, as bumps and can give server end the positional information of self through wireless network transmissions.
Server: can be installed on Anywhere, preferably be installed in the traffic processing mechanism.Its major function is to bump when obtaining automobile, and obtains to may be displayed on the map after the positional information.Offer help for relevant staff's processing accident.
Said client and server is connected through Network Transmission, can select reliable wireless network for use.For example same grouping service wireless (GPRS), Wireless Fidelity (Wi-Fi), third generation wireless communication system networks such as (3G).
Fig. 2 is client inner function module synoptic diagram shown in Figure 1, and is as shown in Figure 2, and this client inside is provided with:
The geographic position acquisition module is used for obtaining the current geographical location information of (accident) vehicle.
Acceleration sensor module is used to obtain the automobile accekeration of all directions under steam.
First information processing module is used to handle contents such as accekeration, geographical location information, and sends the data that this is handled well to wireless transmitter module.
Wireless transmitter module, the above-mentioned data transmission that is used for being responsible for collecting is given server.
Fig. 3 carries out acceleration detection for client shown in Figure 1 and obtains the process flow diagram of geographical location information, and as shown in Figure 3, in this system client, acceleration transducer need obtain information in real time, and this information comprises horizontal and vertical accekeration.To be sent in the first information processing module through data bus degree of the will speed up value of system behind the acceleration transducer acquired information and handle.This first information processing module is collision to have taken place just to geographic position acquisition module request msg to the data that the transmit affirmation (message processing module according to client judges whether to bump) of comparing if judge.After the geographic position acquisition module was received request, the geography information (obtain manner such as geographical location information obtain manner) that snatch is current was transferred to first information processing module with data (data content that data message such as geographical location information obtain) then.First information processing module is after all information of acquisition, and the errorless back of judgement information (according to judging information standard) is given wireless transmitter module information transmission.Wireless transmitter module is given server end through wireless network with data transmission behind acquired information.
Fig. 4 is server inner function module synoptic diagram shown in Figure 1, and is as shown in Figure 4, comprising:
Wireless receiving module is used to receive the information that client is sent.
Second message processing module is used to handle the data message that client is sent.
Image display is presented at said message processing module data processed information on the electronic chart.
The process flow diagram that Fig. 5 carries out message pick-up and processing for server end of the present invention, as shown in Figure 5, this process mainly comprises:
After the wireless receiving module of server end obtains the data from client, then this data message is sent to second message processing module through bus.Said second message processing module is resolved the data that obtain; Then said data transmission is arrived the image load-on module; Through the image load-on module corresponding positional information is presented at above the map, the staff just can in time receive location information that automobile bumps like this.
Fig. 6, Fig. 7 are client collision algorithm process flow diagram, and like Fig. 6, shown in Figure 7, the first information processing module of the client algorithm that judges whether to bump is following:
1) performance according to automobile is provided with transverse acceleration maximal value: HorizontallyMax
2) according to automotive performance longitudinal acceleration maximal value: LongitudinalMax is set
3) transverse acceleration of current acquisition automobile is: CurrentHorizontally
4) longitudinal acceleration of current acquisition automobile is: CurrentLongitudinal
If judge CurrentHorizontally>HorizontallyMax then represent that automobile at athwartship plane traffic hazard has taken place.
If judge CurrentLongitudinal>LongitudinalMax then represent that automobile at longitudinal surface traffic hazard has taken place.
1, the geographical location information obtain manner mainly contains: according to the GPS acquired information, according to wifi location acquired information or according to location, base station acquired information.
2, the data content that obtains of geographical location information is: longitude, latitude, highly, the time.
3, judge information standard: the longitude of acquisition, latitude, the time will be satisfied following requirement:
(1)-180 < longitude < 180
(2)-90 < latitude < 90
(3) 0:0:0 < time < 23:59:59
Suppose with certain a automobile to be that this automobile longitudinal acceleration of example maximal value is 1.1g, transverse acceleration is 0.6 g.Automobile bumps, and crash site is 116 ° of 23 ' 17 〃 in Tokyo, north latitude: 39 ° of 54 ' 27 〃.
Its analytic process is following:
When running car arrives 116 ° of 23 ' 17 〃 in Tokyo; North latitude: during 39 ° of 54 ' 27 〃; 1.8 g of the accekeration that acceleration transducer will acquire at that time (CurrentHorizontally=1.8g) are transferred to first information processing module, and this message processing module obtains to judge CurrentHorizontally after the data>HorizontallyMax, explain that traffic hazard appears in automobile; To geographic position acquisition module request msg; 116 ° of 23 ' 17 〃 in acquisition module return data Tokyo, geographic position, north latitude: 39 ° of 54 ' 27 〃, first information processing module is transferred to server end with the particular location of collision through wireless transmitter module; Server receives data through receiver module, is presented on the screen after the analysis.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (5)
1. collision detection and warning system based on an acceleration transducer is characterized in that this system mainly comprises client and server, and said client is connected through network with server; Wherein,
Said client is installed on the centre position of automobile, and guaranteeing that system is not damaged in the collision, whether it is used to monitor automobile and bumps, as bumps and then give server end with the positional information of self through wireless network transmissions;
Said server is used for bumping when obtaining automobile, and obtains after the positional information it to be presented on the map, offers help for relevant staff's processing accident;
Said client and server is connected through Network Transmission.
2. collision detection and warning system based on acceleration transducer according to claim 1 is characterized in that said client further comprises:
The geographic position acquisition module is used to obtain the current geographical location information of vehicle;
Acceleration sensor module is used to obtain the automobile accekeration of all directions under steam;
First information processing module is used to handle the data of accekeration, geographical location information, and sends the data that this is handled well to wireless transmitter module;
Wireless transmitter module is used for being responsible for the accekeration that collects, geographical location information are transferred to said server.
3. collision detection and warning system based on acceleration transducer according to claim 1 is characterized in that said server further comprises:
Wireless receiving module is used to receive the information that client is sent;
Second message processing module is used to handle the accekeration that said client sends, the data of geographical location information;
Image display is presented at said message processing module data processed information on the electronic chart.
4. collision detection and warning system based on acceleration transducer according to claim 1 is characterized in that, said wireless network is wireless universal grouping GPRS, Wireless Fidelity Wi-Fi, arbitrary network among the 3-G (Generation Three mobile communication system) 3G.
5. collision detection and alarm method based on an acceleration transducer is characterized in that this method comprises:
A, in collision detection and warning system based on acceleration transducer; Acceleration transducer in the client obtains acceleration information in real time, and this accekeration is sent to the affirmation of comparing in the first information processing module, bumps if judge; Then to geographical location information acquisition module request msg; After this geographic position acquisition module was received request, the geography information that snatch is current was given first information processing module with data transmission then;
B, said first information processing module send this data message to wireless transmitter module after judgement information is errorless after all information of acquisition, behind acquired information, give server end through wireless network with data transmission by this wireless transmitter module;
C, after the wireless receiving module of server end obtains the data from client, then this data message is sent to second message processing module through bus;
D, said second message processing module are resolved the data that obtain, and then said data transmission are arrived the image load-on module, through the image load-on module corresponding positional information are presented on the electronic chart.
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| CN103942958A (en) * | 2014-04-15 | 2014-07-23 | 崔同良 | Method for detecting whether collision or rollover occurs on school buses or not in real time and automatically giving alarm |
| CN105059233A (en) * | 2015-07-31 | 2015-11-18 | 北京九五智驾信息技术股份有限公司 | Help seeking method for vehicle and vehicle rescue system |
| CN105096543A (en) * | 2015-08-24 | 2015-11-25 | 中国电子科技集团公司第二十九研究所 | Vehicle rescue method and vehicle rescue system based on a vehicle data recorder |
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Application publication date: 20120725 |