CN2166040Y - Accident-prevention attention device for automative vehicle - Google Patents

Abstract

The utility model relates to an accident-prevention attention device for a motor vehicle which belongs to the prevention attention device of the traffic accident. The utility model comprises a language circuit, a transmitting part and a receiving part. The language circuit is composed of a solidifying integrated package IC, a six-way function switch and a braking control relay, wherein, the inner part of the solidifying integrated package IC is stored with seven languages, and IC is connected with the six-way function switch. The transmitting part is composed of wireless transmitting circuits. The receiving part is composed of an audio frequency magnifying circuit, a mixing circuit, a demodulation circuit, a presetting audio frequency magnifying circuit and a low electric discharge circuit. The utility model has the advantages of simple structure, low cost, easy installation and easy operation. In particular, the utility model has complete function, so the safety accident which is generated under the various conditions can be prevented. The utility model is suitable for various motor vehicles.

Description

Accident-prevention attention device for automative vehicle

The utility model relates to the signals of vehicles device, is applicable to the security warning of various power actuated vehicles.

At present, along with developing rapidly of communication, the quantity of various power actuated vehicles and day sharp increase, because of a variety of causes, traffic accident also correspondingly increases, and brings about great losses for people's life and national wealth.In order to reduce the generation of traffic accident, in the prior art, various dissimilar vehicle safety annunciators have been worked out.Application number as the Decree of Patent Office of China is: 90213574.0, name is called the patent application of " multi-purpose vehicle(MPV) safety traffic warning device ", it mainly by the slide block type sensor, select radiating portion that acoustic-electric road, language circuit, audio modulating circuit, power amplification circuit constitute and the receiving unit that constitutes by pre-amplification circuit, demodulator circuit, audio amplifier circuit.Use this technology, can collide and the signal of overtaking other vehicles, reduce safety misadventure and take place for automobile provides to knock into the back.But this technology, its function singleness solves the collision of knocking into the back, and car accident (during action) takes place when being forward running car, makes K switch ₀Silicon control ST conducting in the closure, sensor provides signal, notes to show the car that knocks into the back.Obviously, this technical solution can not earlier be predicted the preceding vehicle situation, notes to show the car that knocks into the back, and reduces the generation of safety misadventure biglyyer.

The purpose of this utility model is, design a kind of warning of overtaking other vehicles that has, the warning of can overtaking other vehicles, the warning of should not overtaking other vehicles, there is car to report to the police,, has train soon to report to the police by block off traffic by unattended railway four corners by four corners, note the place ahead braking warning, the multi-functional prevention of accident suggestion device that front vehicles accident, accident are reported to the police.

Technology of the present utility model constitutes main points, comprises radiating portion of being made up of language circuit, radio transmitter and the receiving unit of being made up of high-frequency amplifier circuit, mixer circuit, demodulator circuit, preposition audio amplifier circuit, low discharging circuit.Language circuit in the radiating portion overtakes other vehicles, can overtake other vehicles, should not overtake other vehicles, has car to have train soon to constitute by six kinds of functional switch K1, K2, K3, K4, K5, J1 and the brake control relay J that block off traffic, attention the place ahead brake, front vehicles fault, seven kinds of language curing of accident ic chips reach in order to seven kinds of language of control language curing integrated package by four corners, attention by storing in the purpose made.Brake control relay J is connected with vehicle brake switch or brake indicating lamp.Language circuit in the radiating portion solidifies the ic chip mouth by language, and the capacitor C 0 of connecting and a resistance R 0 are connected with capacitor C 1 in the radio transmitter.Radio transmitter adopts frequency modulation emission form, and it comprises pre-amplification circuit, audio modulating circuit, power amplification circuit.Be impedance match, strengthen power, prolong the power valve life-span, between power amplifier mouth inductance coil B1 and emitting antenna A1, connect a capacitor C 14, C15 and inductance coil B2, capacitor C 16.

In the vehicle ' process, different situations according to the road surface appearance, the driver can press the functional switch key at any time respectively, solidify ic chip by language and send different speech signals, speech signal is handled through pre-amplification circuit, audio modulating circuit, power amplification circuit that capacitor C 1 is transferred in the radio transmitter by capacitor C 0 and resistance R 0, after antenna A1 launch.The brake control relay connects with BK Brake Switch or brake indicating lamp, when vehicle meets situation, brake driver, BK Brake Switch is closed, relay gets electric adhesive, relay contact is connected language and is solidified integrated package J1 switch, and language solidifies integrated package will export " noting the place ahead brake " speech signal, and launch by radio transmitter.Other relevant vehicle of the present utility model is housed, can receive this signal of modulation signal by the antenna of wireless receiving circuit and be defeated by mixer circuit to demodulator circuit through the high frequency amplification, reconcile out sound signal and give preposition audio amplifier circuit, low discharging circuit, promote loud speaker and produce sound equipment.

This machine radio transmitter operating frequency range is chosen for 20KHZ-400MHZ.

The utility model, strong anti-interference performance, command range can reach 100-2000 rice.It has simple in structure, and is multiple functional, and easily fitting operation does not have destructiveness to vehicle, is applicable to that various vehicles advantage such as install and use.

Below in conjunction with description of drawings:

Fig. 1 is a block scheme of the present utility model;

Fig. 2 is language circuit, the radio transmitter schematic diagram of radiating portion of the present utility model;

Fig. 3 is high-frequency amplifier circuit, mixer circuit, demodulator circuit, preposition audio amplifier circuit, the low discharging circuit schematic diagram of the utility model receiving unit.

The utility model is formed by transmitting and receiving two parts, as long as every self-propelled vehicle is equipped with the utility model, transmits and receives two kinds of functions just have.When the driver need overtake other vehicles, press the K1 key (stir simultaneously and turn to) in the language circuit, the radiating portion power connection produces the signal of overtaking other vehicles immediately, and through solidifying the output of language ic chip mouth, by capacitor C 0, resistance R 0 input transmission circuit.The audio modulating circuit that this speech signal is formed via main elements such as inductance L 2, crystal oscillator G1, aerotron U1 carries out being defeated by the power amplification circuit of being made up of main elements such as aerotron U2, U3 after the voice modulation, after after inductance coil B1, capacitor C 14, C15 and inductance coil B2, capacitor C 16 carry out impedance match, A1 launches by antenna, prompting preceding vehicle driver, the back vehicle is prepared to overtake other vehicles.Front vehicles receives the speech signal of overtaking other vehicles that front vehicle is sent at any time by being assemblied in the wireless receiving part in the car.If front vehicles driver agrees to overtake other vehicles, can press the K2 key, send the signal of can overtaking other vehicles, just receiving the signal of agreeing to overtake other vehicles, the back vehicle can overtake other vehicles; If should not overtake other vehicles in the road surface, front, the driver can press the K3 key, sends the speech signal of should not overtaking other vehicles, the danger of overtaking other vehicles at this moment of prompting back vehicle.When the driver when the four corners, the driver presses the K4 key, can send the speech signal that car passes through equally by radiating portion, prompting is about to by the vehicle of four corners note going slowly (especially dead angle area).Radiating portion of the present utility model can be installed in the railway four corners separately, especially 1000-2000 rice, unattended crossing, when train is about to pass through, will send train and be about to speech signal by block off traffic, prompting will soon be noted by the vehicle of railway mouth, avoid serious accident to take place.K5 is vehicle trouble, accident button, breaks down in vehicle ' or causes trouble, and the K5 key should be pressed, and sends front vehicles et out of order, accident speech signal, and prompting soon to be noted going slowly by the vehicle in this highway section, avoids taking place even hitting accident.Especially at express highway, fog precipitation weather, this performance more shows important.J is the brake control relay, directly be connected with the BK Brake Switch or the stoplight stop lamp of vehicle, if the situation driver of meeting takes sudden stop, the vehicle brake switch closure, relay gets electric adhesive, and relay contact brakes on functional switch J1, radiating portion can send " front vehicles brake " speech signal equally, prompting back vehicle notes, avoids knocking into the back causing unnecessary accident.

UC among the figure is varactor, and G is crystal oscillator, and U is triode, and B, L are coil, and A is antenna, and IC is integrated package.

Claims (3)

1, a kind of motor vehicle accident prevention suggestion device, comprise radiating portion of forming by language circuit, radio transmitter and the receiving unit of forming by high-frequency amplifier circuit, mixer circuit, demodulator circuit, preposition audio amplifier circuit, low discharging circuit, it is characterized in that the language circuit solidifies ic chip by language and constitutes with IC bonded assembly six bit function K switch 1, K2, K3, K4, K5, J1 and brake control relay J, solidify capacitor C 0 of ic chip mouth series connection and a resistance R 0 at language and be connected with capacitor C 1 in the radio transmitter; Between the power amplifier mouth inductance coil B1 of radio transmitter and emitting antenna A1, be serially connected with a capacitor C 14, C15 and inductance coil B2, capacitor C 16.

2, according to the described motor vehicle accident prevention of claim 1 suggestion device, it is characterized in that the operating frequency range of radio transmitter is chosen for 20KHZ-400MHZ.

3,, it is characterized in that language solidifies the interior contain of ic chip and overtakes other vehicles, can overtake other vehicles, should not overtake other vehicles, has car to have train to pass through block off traffic, attention the place ahead brake, front vehicles accident, seven kinds of language of accident by four corners, attention according to the described motor vehicle accident prevention of claim 1 suggestion device.

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