CN104408870A

CN104408870A - Automatic alarm device for car crash

Info

Publication number: CN104408870A
Application number: CN201410638442.9A
Authority: CN
Inventors: 马立新; 栾健
Original assignee: University of Shanghai for Science and Technology
Current assignee: University of Shanghai for Science and Technology
Priority date: 2014-11-13
Filing date: 2014-11-13
Publication date: 2015-03-11

Abstract

The invention relates to an automatic alarm device for a car crash. An in-car vibration sensor signal is fed to a detecting circuit module for being converted into a digital pulse signal which is fed to a single chip micro computer control circuit module; the single chip microcomputer control circuit module is used for outputting the signal to an alarm trigger circuit module; the alarm trigger circuit module is used for trigging a GPS (global position system) to detect the existing position and simultaneously triggering an information transmitting system, sending the existing position information output by the GPS to the traffic department in the form of information to alarm. After a traffic accident is caused by too high car speed or other reasons, the detecting module in the car is crashed to generate a signal; by virtue of the GPS, the position of the accident is sent to the traffic department, so that the injured people can be timely treated. On the other hand, the position of the accident is automatically sent, and a hit-and-run phenomenon is also prevented, so that the body safety of the crashed staff and the staff in the car is greatly guaranteed.

Description

Vehicle collision automatic alarm device

Technical field

The present invention relates to a kind of warning device, particularly a kind of vehicle collision automatic alarm device.

Background technology

Automobile is as the most general a kind of vehicles.Along with the increasing present situation of automobile, traffic hazard is also frequent generation, makes people lost valuable life.By a large amount of cases, we find to cause the topmost reason of traffic hazard to be that driver fails to brake in time, thus traffic hazard occurs.In addition, the situation of road, the reason (haze) of weather and the maloperation of driver and traffic hazard have immediate cause.And when there is traffic hazard, fail and alarm, or when relevant department fails to determine the position that traffic hazard occurs, thus increase the rescue period to the wounded, great threat is created to the life of the wounded.Meanwhile, making thing escape phenomenon also causes the life of the wounded to receive great threat.

Summary of the invention

The present invention be directed to accident generation aftertreatment causes the wounded to can not get the problem of rescuing in time not in time, propose a kind of vehicle collision automatic alarm device, when automobile have an accident can and alarm, and send relevant department by the GPS positioning system position that directly will have an accident, save the life of driver and passenger thereof.

Technical scheme of the present invention is: a kind of vehicle collision automatic alarm device, comprise testing circuit module, single chip machine controlling circuit module and alarm trigger circuit module, car internal vibration sensor signal censorship slowdown monitoring circuit module converts is that digital pulse signal is to single chip machine controlling circuit module, single chip machine controlling circuit module output signal is to alarm trigger circuit module, alarm trigger circuit module triggers GPS positioning system and carries out current location detection, trigger message transfer system simultaneously, the current location information that GPS positioning system exports is sent to traffic department by information mode, report to the police.

Described vibration transducer adopts CLA-3 vibration transducer, and CLA-3 output outputs to the single-chip microcomputer in single chip machine controlling circuit module by a TTL not gate.

Beneficial effect of the present invention is: vehicle collision automatic alarm device of the present invention, have employed autoalarm and information of vehicles and geographic position are accurately transmitted traffic department.Because the speed of a motor vehicle is too fast or after other reasons generation traffic hazard, the detection module in car receives to clash into and produces signal, processes, by GPS positioning system, the position of accident is sent to traffic department to signal, thus can in time to the treatment of the wounded.On the other hand, automatically have sent the position of accident, also prevent the phenomenon made thing and escape, ensure that the personal safety by the person of thrusting into and occupant greatly.

Accompanying drawing explanation

Fig. 1 is detection module schematic diagram in vehicle collision automatic alarm device of the present invention;

Fig. 2 is single chip machine controlling circuit module diagram in vehicle collision automatic alarm device of the present invention;

Fig. 3 is alarm triggering module schematic diagram in vehicle collision automatic alarm device of the present invention.

Embodiment

Detection module schematic diagram of the present invention as shown in Fig. 1, installs vibration transducer in Automobile, adopts vibration transducer CLA-3, by a not gate output digit signals.When there is no vibration signal, sensor conducts, 1 pin is high level, non-reverse behind the door through TTL, so 2 pin are low levels, the sensor cut-off when there being vibration signal, 1 pin is low level, 2 is high level after oppositely, and time of vibration is longer, and sensor also increases closing time thereupon.

Single chip machine controlling circuit module diagram of the present invention as shown in Fig. 2, single-chip microcomputer adopts internal oscillator mode, electric capacity C1, C2 all select 20PF, crystal oscillator adopts the Y1 of 12M, reset mode can make by key level manually consider be with testing circuit export be digital pulse signal, therefore the triggering mode of broken ends of fractured bone INT0 in selecting, be chosen as negative edge and trigger, single-chip microcomputer just can detect the signal that testing circuit inputs.Select P1 mouth as the output terminal of alerting signal because P1 mouth is by I/O bidirectional static interface, have output latch function, convenience realizes the control of reporting to the police by software.

If Fig. 3 is alarm triggering module schematic diagram of the present invention, point two parts, one is trigger GPS positioning system to carry out position detection, and he is connected with the P1.0 mouth of single-chip microcomputer, and when the corresponding P1.0 mouth of Single-chip Controlling exports 1, GPS positioning system is ended, and does not export.When the corresponding P1.0 mouth of Single-chip Controlling exports 0, GPSGPS positioning system triggering and conducting, exports the current vehicle position signalling detected.Such single-chip microcomputer just can carry out position detection by controlling corresponding P1.0 mouth control GPS positioning system.Another message transfer system triggers, and when the corresponding P1.1 mouth of Single-chip Controlling exports 1, ends between the base stage of triode Q1 and emitter, and whole triode does not just work, and does not report to the police.When the corresponding P1.1 mouth of Single-chip Controlling exports 0, the base stage of triode and emitter are with regard to conducting, at the collector electric current that just generation one is larger, thus the current location information that GPS positioning system exports is sent to traffic department by information mode by trigger message transfer system.

The main workflow of program is: provide 5V direct supply by power circuit.When detecting that circuit does not export digital pulse signal, single-chip microcomputer just circulates in master routine always.Once testing circuit INT0 holds by pulse signal, and be shown as low level, program just jumps to interruption subroutine EXT0 and performs.Carry out GPS position system location and detect triggering, alarm triggering module is connected with the P1.0 mouth of single-chip microcomputer, is that diode ends when the corresponding P1.0 mouth of Single-chip Controlling exports 1.When the corresponding P1.0 mouth of Single-chip Controlling exports 0, diode current flow, triggers GPS positioning system detection alarm position.When the corresponding P1.1 mouth of Single-chip Controlling exports 1, whole triode does not just work, and does not report to the police.When P1.1 mouth exports 0, the base stage of triode and emitter, with regard to conducting, just produce a larger electric current at collector, trigger message warning circuit, thus the current location information that GPS positioning system exports is sent to traffic department by information mode, report to the police.

Claims

1. a vehicle collision automatic alarm device, it is characterized in that, comprise testing circuit module, single chip machine controlling circuit module and alarm trigger circuit module, car internal vibration sensor signal censorship slowdown monitoring circuit module converts is that digital pulse signal is to single chip machine controlling circuit module, single chip machine controlling circuit module output signal is to alarm trigger circuit module, alarm trigger circuit module triggers GPS positioning system and carries out current location detection, trigger message transfer system simultaneously, the current location information that GPS positioning system exports is sent to traffic department by information mode, report to the police.

2. vehicle collision automatic alarm device according to claim 1, is characterized in that, described vibration transducer adopts CLA-3 vibration transducer, and CLA-3 exports the single-chip microcomputer outputted to by a TTL not gate in single chip machine controlling circuit module.