CN202523175U - Traffic accident automatic positioning and alarm system - Google Patents
Traffic accident automatic positioning and alarm system Download PDFInfo
- Publication number
- CN202523175U CN202523175U CN2012202114501U CN201220211450U CN202523175U CN 202523175 U CN202523175 U CN 202523175U CN 2012202114501 U CN2012202114501 U CN 2012202114501U CN 201220211450 U CN201220211450 U CN 201220211450U CN 202523175 U CN202523175 U CN 202523175U
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- traffic accident
- alarm system
- automatic positioning
- treatment circuit
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Abstract
The utility model discloses a traffic accident automatic positioning and alarm system which is mainly composed of a CPU (central processing unit) and a GPS (global positioning system) module, a GSM (global system for mobile communication) module and an MEMS (micro-electromechanical system) acceleration sensor which are connected with the CPU respectively. The automatic positioning and alarm system disclosed by the utility model takes an Atmega128 single chip as the CPU of the whole system, and the CPU is connected with the MEMS acceleration sensor, the GPS positioning module and the GSM communication module. The system disclosed by the utility model can automatically make an emergency call in the case of a traffic accident and notify the related apartment of the accurate position and time of the traffic accident, so that the rescue team can be dispatched at once to fight for more time for rescuing the wounded and saving more people.
Description
Technical field
The utility model relates to locating alarming equipment, specifically is meant the automatic positioning alarm system of traffic accident.
Background technology
Along with rapid development of automobile industry; The security performance that drives a car also becomes the emphasis of research gradually, when unescapable getting into an accident, how can fast traffic accident generation information be sent to medical treatment and traffic control department; This problem is the object that needs primary study we Jin time; If we work out, a kind of in the traffic accident generation, can traffic accident information be occurred to medical department in the very first time; Medical department can be set out medical aid fast in the fastest time, can reduce traffic accident personnel's mortality ratio greatly.
According to relevant information, after the occurrence of the traffic accident, can arrive in rescue site in the very first time, traffic accident personnel's dead probability is few.But owing in remote districts, when after the occurrence of the traffic accident, when the traffic accident personnel can not oneself seek help, when often being found by other staff, and then notify relevant departments, in such traffic accident case, traffic accident personnel's mortality ratio is high.For this reason.The utility model is to this phenomenon, and the spy wants to study a kind of, can be in the expection that traffic accident takes place, can be with the traffic accident place, relevant informations such as time fast, notice medical treatment and relevant departments in the very first time.Can increase traffic accident personnel's the probability of surviving greatly.
The utility model content
The purpose of the utility model is to provide traffic accident automatic positioning alarm system, and this apparatus structure is simple, and cost is low, when automobile meets accident collision, guarantees driver and passenger's safety to greatest extent, is one of target of auto industry pursuit.
The implementation of the utility model is following: the automatic positioning alarm system of traffic accident mainly is made up of central processing unit and the GPS module that is connected with central processing unit respectively, gsm module and MEMS acceleration transducer.
This automatic positioning alarm system design links to each other central processing unit with MEMS acceleration transducer, GPS module, gsm module.Can inform exact position, time that relevant departments' traffic accident takes place in automatic placement of emergency calls after the occurrence of the traffic accident, make it send rescue group, give and rescue the wounded and strive for the more time, save more life in the very first time.In case the MEMS acceleration transducer has detected acceleration change; Central processing unit will carry out analyzing and processing to these data; Get into an accident if be judged to; Then gsm module passes to relevant department with the form of sending short messages or making a phone call with the locating information that GPS receives, and makes it send breakdown gang to carry out rescue work rapidly; Otherwise system automatically resets, cycle detection.
Said MEMS acceleration transducer mainly is made up of X axle sensor, oscillator, Y axle sensor, Y axis signal treatment circuit, duty cycle modulator, the X axis signal treatment circuit that head and the tail connect successively; Said Y axis signal treatment circuit and X axis signal treatment circuit all are mainly to be made up of detuner and the RC wave filter that is connected with detuner; The detuner of said Y axis signal treatment circuit is connected with the Y axle sensor; The detuner of X axis signal treatment circuit is connected with the X axle sensor; And the RC wave filter of said Y axis signal treatment circuit all is connected with duty cycle modulator with the RC wave filter of X axis signal treatment circuit; Said duty cycle modulator also is connected with and accounts for RSET Rs, and the output terminal of duty cycle modulator is connected with central processing unit.
Said RC wave filter mainly is made up of RC wave filter housing and the capacitor C Fx (CFy) and the resistance R Fx (RFy) that are arranged on the resistance R Fx (RFy) of RC wave filter enclosure interior and are arranged on RC wave filter outside.The capacitor C Fx (CFy) of RC wave filter outside is with after resistance R Fx (RFy) is connected, and its tie point is connected with duty cycle modulator, to the duty cycle modulator input signal.
Said central processing unit is the Atmega128 single-chip microcomputer.
Said MEMS acceleration transducer model is ADX L202JE.
The model of GPS module is SKYnav GB10.
The model of gsm module is TC35.
The MEMS acceleration transducer is a kind of electronic equipment that can measure accelerating force, and two kinds of models of angular accelerometer and linear accelerometer are arranged.The MEMS acceleration transducer model that native system adopts is ADX L202JE, this MEMS acceleration transducer in same silicon chip etching a polysilicon surface micro mechanical sensor, and the integrated accurate information-processing circuit of a cover.
The MEMS acceleration transducer mainly utilizes the polysilicon mechanism of surface micromachined and a differential capacitor to form by one.Under the effect of acceleration, polysilicon structure can produce skew changes capacitance.In signal processing circuit, the variable signal of differential capacitor is delivered in the duty cycle modulator through a RC wave filter after by the modulator demodulation, converts the square wave that dutycycle and acceleration are directly proportional into by modulator, and the cycle of square wave (T2) can be confirmed through Rs.This square wave can directly be delivered to the Atmega128 single-chip microcomputer and handle, and measures the width T1 of square-wave cycle T2 and arteries and veins through usage counter, thereby obtains the value of acceleration.
Acceleration: a=(T1/T2-Uog)/Ulg.
In the formula: T2 confirms that by accounting for RSET Rs its relation is T2=Rs/125M Ω; Uog is the corresponding dutycycle of 0g, and its deformation values is 50%; Ulg representes the change in duty cycle value that the lg acceleration change causes, for ADXL202JE, the representative value of lg is 12.5%.
The advantage of the utility model is: the central processing unit of Atmega128 single-chip microcomputer as total system adopted in this automatic positioning alarm system design, links to each other with MEMS acceleration transducer, GPs locating module, gsm communication module.Can inform exact position, time that relevant departments' traffic accident takes place in automatic placement of emergency calls after the occurrence of the traffic accident, make it send rescue group, give and rescue the wounded and strive for the more time, save more life in the very first time.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural representation of MEMS acceleration transducer in the utility model.
Fig. 3 is square-wave cycle and a pulse width synoptic diagram in the utility model.
Embodiment
Embodiment one
Like Fig. 1,2, shown in 3.
The central processing unit of Atmega128 single-chip microcomputer as total system adopted in this automatic positioning alarm system design, links to each other with MEMS acceleration transducer, GPs locating module, gsm communication module.Can inform exact position, time that relevant departments' traffic accident takes place in automatic placement of emergency calls after the occurrence of the traffic accident, make it send rescue group, give and rescue the wounded and strive for the more time, save more life in the very first time.The automatic positioning alarm system of traffic accident mainly is made up of central processing unit and the GPS module that is connected with central processing unit respectively, gsm module and MEMS acceleration transducer.
In a single day MEMS acceleration transducer in the native system has detected acceleration change; Central processing unit will carry out analyzing and processing to these data; Get into an accident if be judged to; Then gsm module passes to relevant department with the form of sending short messages or making a phone call with the locating information that GPS receives, and makes it send breakdown gang to carry out rescue work rapidly; Otherwise system automatically resets, cycle detection.
Said MEMS acceleration transducer mainly is made up of X axle sensor, oscillator, Y axle sensor, Y axis signal treatment circuit, duty cycle modulator, the X axis signal treatment circuit that head and the tail connect successively; Said Y axis signal treatment circuit and X axis signal treatment circuit all are mainly to be made up of detuner and the RC wave filter that is connected with detuner; The detuner of said Y axis signal treatment circuit is connected with the Y axle sensor; The detuner of X axis signal treatment circuit is connected with the X axle sensor; And the RC wave filter of said Y axis signal treatment circuit all is connected with duty cycle modulator with the RC wave filter of X axis signal treatment circuit; Said duty cycle modulator also is connected with and accounts for RSET Rs, and the output terminal of duty cycle modulator is connected with central processing unit.
Said RC wave filter mainly constitutes by being arranged on inner resistance R Fx and being arranged on outside capacitor C Fx and resistance R Fx.
Said central processing unit is the Atmega128 single-chip microcomputer.
Said MEMS acceleration transducer model is ADX L202JE.
The model of GPS module is SKYnav GB10.
The model of gsm module is TC35.
The MEMS acceleration transducer is a kind of electronic equipment that can measure accelerating force, and two kinds of models of angular accelerometer and linear accelerometer are arranged.The MEMS acceleration transducer model that native system adopts is ADX L202JE, this MEMS acceleration transducer in same silicon chip etching a polysilicon surface micro mechanical sensor, and the integrated accurate information-processing circuit of a cover.
The MEMS acceleration transducer mainly utilizes the polysilicon mechanism of surface micromachined and a differential capacitor to form by one.Under the effect of acceleration, polysilicon structure can produce skew changes capacitance.In signal processing circuit, the variable signal of differential capacitor is delivered in the duty cycle modulator through a RC wave filter after by the modulator demodulation, converts the square wave that dutycycle and acceleration are directly proportional into by modulator, and the cycle of square wave (T2) can be confirmed through Rs.This square wave can directly be delivered to the Atmega128 single-chip microcomputer and handle, and measures the width T1 of square-wave cycle T2 and arteries and veins through usage counter, thereby obtains the value of acceleration.
Acceleration: a=(T1/T2-Uog)/Ulg.
In the formula: T2 confirms that by accounting for RSET Rs its relation is T2=Rs/125M Ω; Uog is the corresponding dutycycle of 0g, and its deformation values is 50%; Ulg representes the change in duty cycle value that the lg acceleration change causes, for ADXL202JE, the representative value of lg is 12.5%.
The advantage of the utility model is: the central processing unit of Atmega128 single-chip microcomputer as total system adopted in this automatic positioning alarm system design, links to each other with MEMS acceleration transducer, GPs locating module, gsm communication module.Can inform exact position, time that relevant departments' traffic accident takes place in automatic placement of emergency calls after the occurrence of the traffic accident, make it send rescue group, give and rescue the wounded and strive for the more time, save more life in the very first time.
As stated, then can well realize the utility model.
Claims (6)
1. the automatic positioning alarm system of traffic accident is characterized in that: mainly be made up of central processing unit and the GPS module that is connected with central processing unit respectively, gsm module and MEMS acceleration transducer.
2. the automatic positioning alarm system of traffic accident according to claim 1 is characterized in that: said MEMS acceleration transducer mainly is made up of X axle sensor, oscillator, Y axle sensor, Y axis signal treatment circuit, duty cycle modulator, the X axis signal treatment circuit that head and the tail connect successively; Said Y axis signal treatment circuit and X axis signal treatment circuit all are mainly to be made up of detuner and the RC wave filter that is connected with detuner; The detuner of said Y axis signal treatment circuit is connected with the Y axle sensor; The detuner of X axis signal treatment circuit is connected with the X axle sensor; And the RC wave filter of said Y axis signal treatment circuit all is connected with duty cycle modulator with the RC wave filter of X axis signal treatment circuit; Said duty cycle modulator also is connected with and accounts for RSET Rs, and the output terminal of duty cycle modulator is connected with central processing unit.
3. according to any automatic positioning alarm system of described traffic accident among the claim 1-2, it is characterized in that: said central processing unit is the Atmega128 single-chip microcomputer.
4. according to any automatic positioning alarm system of described traffic accident among the claim 1-2, it is characterized in that: said MEMS acceleration transducer model is ADX L202JE.
5. according to any automatic positioning alarm system of described traffic accident among the claim 1-2, it is characterized in that: the model of GPS module is SKYnav GB10.
6. according to any automatic positioning alarm system of described traffic accident among the claim 1-2, it is characterized in that: the model of gsm module is TC35.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202114501U CN202523175U (en) | 2012-05-11 | 2012-05-11 | Traffic accident automatic positioning and alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202114501U CN202523175U (en) | 2012-05-11 | 2012-05-11 | Traffic accident automatic positioning and alarm system |
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| Publication Number | Publication Date |
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| CN202523175U true CN202523175U (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202114501U Expired - Fee Related CN202523175U (en) | 2012-05-11 | 2012-05-11 | Traffic accident automatic positioning and alarm system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390326A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Car accident automatic positioning and alarming system |
| CN104424753A (en) * | 2013-08-29 | 2015-03-18 | 深圳市福嘉太科技有限公司 | Automobile safety alarm method and device |
-
2012
- 2012-05-11 CN CN2012202114501U patent/CN202523175U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390326A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Car accident automatic positioning and alarming system |
| CN104424753A (en) * | 2013-08-29 | 2015-03-18 | 深圳市福嘉太科技有限公司 | Automobile safety alarm method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20130511 |