CN202486937U - Car accident distress system - Google Patents
Car accident distress system Download PDFInfo
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- CN202486937U CN202486937U CN201220020017XU CN201220020017U CN202486937U CN 202486937 U CN202486937 U CN 202486937U CN 201220020017X U CN201220020017X U CN 201220020017XU CN 201220020017 U CN201220020017 U CN 201220020017U CN 202486937 U CN202486937 U CN 202486937U
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Abstract
The utility model discloses a car accident distress system comprising a minimization control system, an acceleration sensor, a GPS (Global Positioning System) receiver, a bluetooth audio output adapter, a bluetooth USB (Universal Serial Bus) adapter, a bluetooth free-handle telephone, a vidicon, a wireless data transmission module, a driver information IC (Integrated Circuit) card and a distress call central server provided with Google Earth software. According to the car accident distress system, a Google Earth technology is innovatively adopted to obtain the intuitive information of an accident occurrence position, so that an accident car and an accident distress call center can interact mutually, the using efficiency of the distress call center is improved, the humanized demand is met; the bluetooth free-handle telephone is used as a loudspeaker and a microphone so that the conservation between the accident car and the distress call center can be carried out in real time; and a vehicle-mounted Camera module is equipped, so that the scene condition in the car can be conveniently observed by the accident distress call center.
Description
Technical field
The utility model relates to technical field of automotive electronics, particularly a kind of car accident distress system.
Background technology
Along with developing rapidly of economic technology, China's automobile pollution constantly increases, but traffic hazard and the casualties that causes thereof are still high.2010,3906173 of road traffic accidents took place in China, caused that 65225 people are dead, 254075 people are injured, 9.3 hundred million yuan of direct property losss.Especially big road traffic accident increases more than wherein once dead 10 people, and expressway traffic accident increases.In order to improve the accident rescue level; American-European countries is to develop car accident urgent automatic calling for help system and to have obtained better application at present; Like the OnStar of AM General company, the OnCall of the Teleaid of German Benz Co., the emergency call system of Automobiles PEUGEOT and Volvo AB etc.The car accident distress system generally comprises vehicle-state Monitoring and Controlling module, wireless communication module, accident monitoring server module and corresponding rescue team etc., relates to vehicle safety technology, navigator fix technology and the communication technology etc.
The work of domestic communication accident emergency rescuing is at the early-stage, and the architecture of accident emergency rescuing and the research and development of service function have been obtained basic achievement in research.But still exist many problems, and like road traffic accident distress call process manual workization, mainly adopting non-automatic detection technique, the emergency call or the traffic police that are based on the roadside mostly go on patrol the discovery accident, incur loss through delay best rescue opportunity; Accident rescue lacks to link efficiently and coordinate to rescue policing issue, especially (1) needs fire department and vehicle supervision department to pull together to succour when breaking out of fire; (2) take place badly damaged or occupant when getting into a difficult position when vehicle, need special towing, disintegration, cutting tool etc. to rescue measure targetedly.
Domesticly still be in the starting stage, have only a small amount of patent and research paper, can't form the research and development production of specialty products in the research aspect the car accident emergency rescuing system.The patent No. is emergency episode calling method and the distress system of CN101917531A; Set forth the general process of emergency traffic accident rescue; But the field conditions in the car of back takes place in the data content and the accident that do not relate to (1) car accident grade separation, is not easy to the specific aim emergency relief of car accident; (2) position data of global location module is global latitude and longitude coordinates data, and this utility model is not set forth the method that service centre obtains the place where the accident occurred dot information; (3) the long-range calling for help module of this system can only wait to the one-sided transmission failure information of accident call center through the communications service provider, lacks the two-way interaction between accident vehicle and accident call center, has limited its service efficiency, can not satisfy the hommization demand.
The utility model content
The utility model technical matters to be solved is to the prior art deficiency, a kind of car accident distress system to be provided; Utilize the traffic hazard emergency call system of mobile network and the Internet; Traffic hazard back occupant extent of injury and vehicle degree of injury are judged, obtained the visual information of place where the accident occurred point, carry out two-way interaction with accident vehicle and accident call center; Get best rescue opportunity, satisfy the hommization demand.
For solving the problems of the technologies described above; The technical scheme that the utility model adopted is: a kind of car accident distress system; Comprise the call center server that minimizes control system, acceleration transducer, GPS receiver, Bluetooth audio frequency o adapter, bluetooth USB adapter, bluetooth handsfree phone, video camera, wireless data transfer module, driver information IC-card, Google Earth software is installed; The said control system that minimizes comprises DSP control module, serial ports conversion chip, IO simulative serial port chip, audio coding decoding chip; Serial ports conversion chip, IO simulative serial port chip, audio coding decoding chip are connected with the DSP control module is two-way; GPS receiver, wireless data transfer module respectively are connected with the DSP control module is two-way through a serial ports conversion chip; Video camera is connected with the DSP control module is two-way through IO simulative serial port chip, and the driver information IC-card is connected the acceleration transducer access control system through IC-card card reader, IO simulative serial port chip with the DSP control module; The earphone mouth of audio coding decoding chip is connected with the Bluetooth audio frequency o adapter; Bluetooth audio frequency adapter, bluetooth handsfree phone, bluetooth USB adapter connect successively, and bluetooth USB adapter is connected with the input port of audio coding decoding chip, and wireless data transfer module is through network and call center server communication.
As preferred version, said DSP control module adopts DSP 5509A family chip; Said bluetooth handsfree telephone model is language boat person BTHF102; Said Bluetooth audio frequency o adapter model is BTAV101; Said wireless data transmission unit model is the CM320 of Huawei; Said IO simulative serial port chip is the MAX3232 chip; Said serial ports conversion chip is the SP3232 chip; Said audio coding decoding chip is the TLV320AIC23B chip.
Content is in the driver information IC-card: necessary informations such as Pilot Name's coding, driver drives vehicle card ID, driver's blood group, driver's programmed emergency number; After accident took place, above content and vehicle Current GPS location information sent to service centre in the lump.
The system innovation ground of the utility model adopts Google Earth technology to obtain place where the accident occurred point visual information; Making between accident vehicle and the accident call center can two-way interaction, has improved the service efficiency of call center, has satisfied the hommization demand; The utility model uses the bluetooth handsfree phone as loudspeaker and microphone; Can converse in real time with the accident call center, and be equipped with vehicle-mounted Camera module, make things convenient for the accident call center to observe field conditions in the car.
Description of drawings
Fig. 1 is the utility model one embodiment car accident distress system structured flowchart;
Fig. 2 is the utility model one embodiment car accident distress system accident decision flow diagram.
Fig. 3 is the synoptic diagram that concerns of the utility model one embodiment collision speed of vehicle though variable quantity and MAIS3+ injury index;
Fig. 4 is the utility model one embodiment minimization system TMS320VC5509A chip pin schematic diagram;
Fig. 5 is the utility model one embodiment Bluetooth audio frequency adapter circuit theory diagrams;
Fig. 6 is the utility model one embodiment serial ports conversion chip circuit theory diagrams.
Embodiment
As shown in Figure 1; The utility model one embodiment comprises two parts: mobile unit and call center; Mobile unit comprises and minimizes control system, acceleration transducer, GPS receiver, Bluetooth audio frequency o adapter, bluetooth USB adapter, bluetooth handsfree phone, video camera, wireless data transfer module, driver information IC-card; Call center comprises the call center server that Google Earth software is installed; The said control system that minimizes comprises DSP control module, serial ports conversion chip, IO simulative serial port chip, audio coding decoding chip; Serial ports conversion chip, IO simulative serial port chip, audio coding decoding chip are connected with the DSP control module is two-way, and GPS receiver, wireless data transfer module respectively are connected with the DSP control module is two-way through a serial ports conversion chip, and video camera is connected with the DSP control module is two-way through IO simulative serial port chip; The driver information IC-card is connected with the DSP control module through IC-card card reader, IO simulative serial port chip; The acceleration transducer access control system, the earphone mouth of audio coding decoding chip is connected with the Bluetooth audio frequency o adapter, and Bluetooth audio frequency adapter, bluetooth handsfree phone, bluetooth USB adapter connect successively; Bluetooth USB adapter is connected with the input port of audio coding decoding chip, and wireless data transfer module is through network and call center server communication.
Minimize the control system unit based on the DSP5509A chip in the mobile unit; With the TMS320VC5509A chip is core, mainly is equipped with GPIO port, spi bus interface, iic bus interface, McBSP port (containing LINE IN JACK1 and earphone JACK2 audio port), UART serial port, SDRAM, FLASH, crystal oscillator clock, power supply & electrification reset unit etc.
The bluetooth handsfree phone adopts language boat person BTHF102 bluetooth handsfree phone; Bluetooth audio frequency o adapter model is BTAV101; Said wireless data transmission unit model is the CM320 of Huawei; Said IO simulative serial port chip is the MAX3232 chip; Said serial ports conversion chip is the SP3232 chip; Said audio coding decoding chip is the TLV320AIC23B chip.
The collision acceleration sensor data of native system monitoring air bag system; When automobile crashed, acceleration information sharply changed, and when surpassing certain threshold values, can think has accident to take place; Simultaneously acceleration information is carried out time integral; Judge velocity variations value Δ V, and combine MAIS3+ occupant injury grade separation table to judge occupant's extent of injury, in conjunction with speed V before maximum distortion intrusion amount and peak acceleration and the collision
0Relation table is judged body distortion index VDI and damage to a vehicle body grade.When the accident that defines took place, the DSP5509A control chip was judged the vehicle body collision course, and started wireless data transmission unit, inserted Internet and set up the socket connection to fixing IP server end application through GPRS or cdma network.After the successful connection, dsp chip control wireless data transmission unit (client) is carried out two-way communication with server end.Acceleration transducer is usually placed in vehicle preceding bonnet below and left-right and front-back car door central authorities, and the acceleration digital signal transfers to the control system unit through spi bus or iic bus.Minimize control system unit monitoring acceleration transducer data in the mobile unit; According to the acceleration change situation and to its time integration; Judge the variation delta V and the acceleration directional data of collision process medium velocity, judge occupant's possible extent of injury and body distortion impairment scale thus.
Fig. 2 is the accident decision flow diagram of present embodiment system; Vehicle damages serious grade and weighs according to the body distortion amount usually; Be the degree of injury of describing automobile according to position of collision, collision course and distortion invasion depth etc., body distortion index VDI and body distortion impairment scale are specifically with reference to the standard J224 of american car Engineering society (SAE) damaged vehicle sorting technique; Occupant's possible extent of injury has four kinds of forms in the collision accident: forward direction collision, afterbody collision, nearly occupant side side collision and occupant side side collision far away.The simple and clear injury deciding grade and level standard A IS that the occupant injury grade adopts U.S. vehicle Medical Commission to formulate; To the different impact velocity variation delta of the above four kinds of crash analysises V possibility of occupant injury grade more than MAIS3+ down, the occupant that the AIS index is used for defining vehicle collision accident damages the order of severity, and AIS distinguishes damage in various degree with numeral; For example: the AIS0 not damaged; The AIS2 minor injury, AIS 3 Moderate lesion, AIS 4 severe injuries; The fatal damage of AIS5, AIS6 is dead or obviously can not bring back to life etc.A kind of way when estimating the damage of human body many places is, with the index of the maximum AIS value in a certain position as overall degree of injury, is designated as MAIS, often use in collsion damage research; When assessment occupant injury grade,,, generally adopt collision process medium velocity changing value in the industry as the occupant injury grade basis for estimation of convenient practicality like collision vehicle mass ratio, collision angle etc. although the occupant injury order of severity receives many factor affecting.Embody figure and see Fig. 3, the relation of collision speed of vehicle though variable quantity and MAIS3+ injury index; Vehicle body is invaded deflection X in the collision accident
0≈ 0.014V
0, maximum deceleration A ≈ 0.57V
0According to the preceding speed V of equivalent speed variable quantity of inferring and collision
0, can obtain the body distortion amount, and then obtain body distortion index VDI and body distortion impairment scale.
The GPS receiver comprises latitude and longitude information, velocity information etc. with serial ports form output data in the mobile unit.
Wireless data transmission unit in the mobile unit (english abbreviation DTU); Adopt Huawei's wireless data transfer module (model: CM320), this wireless data transmission unit is carried out order control, specifically have: start the Internet controller through the AT+I order; Request is set up SOCKET with server end and is connected; Send the casualty data frame, receive the casualty data frame, close SOCKET connection etc.
Camera module transmission picture format is a jpeg format in the mobile unit, and image pixel 640*480, detection angle are not less than 120 degree, are arranged in the vehicle mirrors place.
In the call center based on the computer of windows system as the accident monitoring server, be equipped with microphone and sound system.This server has reliable public network and connects (except the education network), has fixed ip address, and Google Earth software is installed.
The accident monitoring program of call center server end operation is the Release version with MFC interface by the C language.When this monitoring facilities monitors trouble-signal, can pass through ringing signal notification service personnel, and the mobile unit that is dynamically connected certainly carries out two way voice communication.Also but the Camera module of remote activation mobile unit is observed field conditions in the car where necessary.After the accident monitoring program of call center server end operation receives place where the accident occurred gps data, occupant injury level data and crash type, call Google Earth through the Google api function, locating and displaying place where the accident occurred point.Start corresponding rescue measure according to occupant injury level data and crash type.
The utility model one embodiment minimizes control system TMS320VC5509A chip pin figure and sees Fig. 4.
The utility model one embodiment Bluetooth audio frequency adapter circuit theory diagrams are seen Fig. 5.
The utility model one embodiment minimizes in the control system serial ports conversion chip circuit theory diagrams and sees Fig. 6.
Claims (8)
1. car accident distress system; Comprise the call center server that minimizes control system, acceleration transducer, GPS receiver, Bluetooth audio frequency o adapter, bluetooth USB adapter, bluetooth handsfree phone, video camera, wireless data transfer module, driver information IC-card, Google Earth software is installed; It is characterized in that; The said control system that minimizes comprises DSP control module, serial ports conversion chip, IO simulative serial port chip, audio coding decoding chip; Serial ports conversion chip, IO simulative serial port chip, audio coding decoding chip are connected with the DSP control module is two-way; GPS receiver, wireless data transfer module respectively are connected with the DSP control module is two-way through a serial ports conversion chip; Video camera is connected with the DSP control module is two-way through IO simulative serial port chip, and the driver information IC-card is connected the acceleration transducer access control system through IC-card card reader, IO simulative serial port chip with the DSP control module; The earphone mouth of audio coding decoding chip is connected with the Bluetooth audio frequency o adapter; Bluetooth audio frequency adapter, bluetooth handsfree phone, bluetooth USB adapter connect successively, and bluetooth USB adapter is connected with the input port of audio coding decoding chip, and wireless data transfer module is through network and call center server communication.
2. car accident distress system according to claim 1 is characterized in that, said DSP control module adopts DSP 5509A family chip.
3. car accident distress system according to claim 1 is characterized in that, said bluetooth handsfree telephone model is language boat person BTHF102.
4. car accident distress system according to claim 1 is characterized in that, said Bluetooth audio frequency o adapter model is BTAV101.
5. car accident distress system according to claim 1 is characterized in that, said wireless data transmission unit model is the CM320 of Huawei.
6. car accident distress system according to claim 1 is characterized in that, said IO simulative serial port chip is the MAX3232 chip.
7. car accident distress system according to claim 1 is characterized in that, said serial ports conversion chip is the SP3232 chip.
8. car accident distress system according to claim 1 is characterized in that, said audio coding decoding chip is the TLV320AIC23B chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220020017XU CN202486937U (en) | 2012-01-17 | 2012-01-17 | Car accident distress system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220020017XU CN202486937U (en) | 2012-01-17 | 2012-01-17 | Car accident distress system |
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| CN202486937U true CN202486937U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220020017XU Expired - Fee Related CN202486937U (en) | 2012-01-17 | 2012-01-17 | Car accident distress system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102521946A (en) * | 2012-01-17 | 2012-06-27 | 湖南大学 | Vehicle accident emergency call system |
| CN103824427A (en) * | 2013-11-20 | 2014-05-28 | 柳州天运寰通科技有限公司 | Portable remote help-seeking terminal |
| ES2479865A1 (en) * | 2013-01-24 | 2014-07-24 | Francisco Javier PAZ RODRÍGUEZ | Device that generates events on vehicle users from data collected automatically by an accelerometer and/or from the press of the button that incorporates. (Machine-translation by Google Translate, not legally binding) |
| CN106671921A (en) * | 2015-11-10 | 2017-05-17 | 上海汽车集团股份有限公司 | Collision detecting method and device for automobile |
| CN108886556A (en) * | 2016-06-07 | 2018-11-23 | 马自达汽车株式会社 | Emergency communicator |
| CN111301282A (en) * | 2020-03-26 | 2020-06-19 | 李成斌 | School bus vehicle-mounted distress system suitable for children |
-
2012
- 2012-01-17 CN CN201220020017XU patent/CN202486937U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102521946A (en) * | 2012-01-17 | 2012-06-27 | 湖南大学 | Vehicle accident emergency call system |
| ES2479865A1 (en) * | 2013-01-24 | 2014-07-24 | Francisco Javier PAZ RODRÍGUEZ | Device that generates events on vehicle users from data collected automatically by an accelerometer and/or from the press of the button that incorporates. (Machine-translation by Google Translate, not legally binding) |
| CN103824427A (en) * | 2013-11-20 | 2014-05-28 | 柳州天运寰通科技有限公司 | Portable remote help-seeking terminal |
| CN103824427B (en) * | 2013-11-20 | 2016-09-14 | 柳州天运寰通科技有限公司 | A kind of portable remote relief terminal |
| CN106671921A (en) * | 2015-11-10 | 2017-05-17 | 上海汽车集团股份有限公司 | Collision detecting method and device for automobile |
| CN106671921B (en) * | 2015-11-10 | 2019-05-24 | 上海汽车集团股份有限公司 | The collision checking method and device of automobile |
| CN108886556A (en) * | 2016-06-07 | 2018-11-23 | 马自达汽车株式会社 | Emergency communicator |
| CN108886556B (en) * | 2016-06-07 | 2021-06-22 | 马自达汽车株式会社 | Emergency reporting device |
| CN111301282A (en) * | 2020-03-26 | 2020-06-19 | 李成斌 | School bus vehicle-mounted distress system suitable for children |
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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: 20121010 Termination date: 20150117 |
|
| EXPY | Termination of patent right or utility model |