CN2095130U

CN2095130U - Motor vehicle overtaking communication device

Info

Publication number: CN2095130U
Application number: CN 91218793
Authority: CN
Inventors: 谭稳民
Original assignee: Xinxing Electronic Machinery Plant Huxian County Shaanxi
Current assignee: Xinxing Electronic Machinery Plant Huxian County Shaanxi
Priority date: 1991-07-19
Filing date: 1991-07-19
Publication date: 1992-02-05

Abstract

The utility model discloses a motor vehicle overtaking communication device, which relates to a signal transmitting and receiving device when motor vehicles overtake other motor vehicles. The motor vehicle overtaking communication device comprises stabilized power supply, a transmission control device, a front and rear transmission device, a front and rear receiving device, and a display, wherein, the transmission device is combined by the ordinal connection of a tempo generator, a modulator, a carrier generator, a power amplifier, and an infrared transmitting tube; the receiving device is combined by the ordinal connection of an infrared receiving tube, a selective amplifier, and a demodulator. The utility model solves the problem that the phenomenon of vehicle crossings and traffic accidents are caused because both drivers are unable to know whether the other side requests or is permitted to overtake when motor vehicles overtake. The utility model can be used as a communication device for various motor vehicles in overtaking.

Description

Motor vehicle overtaking communication device

The utility model relates to a kind of self-propelled vehicle and sends the device of signal to other self-propelled vehicle, is the signal transmitting and receiving device of a kind of self-propelled vehicle when overtaking other vehicles specifically.

The method that the current mobility car is overtaken other vehicles has two kinds: promptly overtake other vehicles with the loudspeaker request by day, overtake other vehicles with becoming the light request at night.The common drawback of these two kinds request method of overtaking is: whether the back car can only give way by front truck and estimate the attitude of front truck, and can not know whether be allowed to overtake other vehicles; In the bogie of, car body broad big at some noise, chaufeur often can't or can not in time be heard sound of horn that back car request is overtaken other vehicles or the light of seeing variation, thereby causes the phenomenon of delaying unloading.Since the vehicle that travels of front and back all can not in time know the other side dynamically, make reaction accurately, thus dispute can often take place, sometimes even lead to train operation accident.

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art part and signal transmitting and receiving device when providing a kind of self-propelled vehicle to overtake other vehicles, this device can make the chaufeur of forward and backward self-propelled vehicle know the other side's attitude when overtaking other vehicles, so that make reaction accurately.

Technical solution of the present utility model is: a kind of self-propelled vehicle communicator of overtaking other vehicles, form by constant voltage power suspply, launch control unit, preceding feedway, preceding receiving device, back feedway, back receiving device and telltale, described feedway is made up of the beat generator that joins successively, modulator, carrier generator, power amplifier and infrared transmitting tube, and described receiving device is made up of the infrared receiving tube that joins successively, frequency selecting amplifier, demoder.

Telltale in the above-mentioned technical solution can be made up of logic driver, optical display unit, vibration and amplifier and sound generator.Also can form, as long as it can show the impulse singla of the demoder output form with sound or sound, light by other circuit.

The effect of the preceding receiving device in the utility model and back receiving device, preceding feedway and back feedway be respectively to receive or car launcher before and the infrared signal behind the car, thereby the structure of forward and backward receiving device, forward and backward feedway can be identical.

Accompanying drawing drawing of the present utility model is described as follows:

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

Fig. 2 and Fig. 3 are the scheme circuits of an embodiment of the utility model.

Referring to Fig. 1, preceding feedway 1 and back feedway 3 join with launch control unit 2, launch control unit 2 joins with constant voltage power suspply 5, feedway 1 or back feedway 3 emission infrared signals before the effect of launch control unit 2 is to select as required, preceding receiving device 4 and back receiving device 6 all join with constant voltage power suspply 5 and a telltale 7, and telltale 7 links to each other with constant voltage power suspply 6.

Fig. 2 and Fig. 3 are the scheme circuit of an embodiment of the utility model, because the preceding feedway among this embodiment is identical with the circuit of back feedway, preceding receiving device and back receiving device, thereby in Fig. 2, Fig. 3, only represented the scheme circuit of a feedway and a receiving device.As shown in the figure, constant voltage power suspply 5 is made up of K switch 1, integrated package of pressure-stabilizing IC1, capacitor C 1, C2, C3 and current-limiting resistance R1 and LED 1.Direct current+12V voltage output+9V vdc after capacitor filtering and three end integrated voltage stabilizer IC1 voltage stabilizings by the automobile storage battery input.LED1 is the indication of complete machine power work, and LED1 lights after K1 connects.

Launch control unit 2 is made up of three position switch K2 and current-limiting resistance R2, R3 and LED 2, LED3, is preceding emission when 3 bit switch K2 put 1, i.e. " request of this car ", LED2 is bright, for stopping emission, is the back emission when putting 3 when putting 2, i.e. " this car is replied ", LED3 is bright.Touch block CZ1 joins with preceding feedway and preceding receiving device, and touch block CZ2 joins with back feedway and back receiving device.

Feedway is made up of the beat generator 8 that joins successively, modulator 9, carrier generator 10, power amplifier 11, infrared transmitting tube 12.Beat generator 8 is made up of LM555 ic chip 3, potential device W1, resistance R 12 and capacitor C 5, be used for the modulation signal that modulator 9 produces is carried out remodulation, also can be remodulator, it mainly acts on is to make feedway outer in intermittent duty, thereby improve the reliability of corresponding receiving device and reduce Overall Power Consumption, raising work life, its frequency is set up by W1, R12 and C5.Modulator 9 is made up of LM555 ic chip 4, potential device W2 and resistance R 13 and capacitor C 6, be used for modulated carrier, also can be the primary modulation device of carrier wave, the IC4 frequency is a setting value, mainly be in order to make receiving device only carry out demodulation to the signal of corresponding frequencies, thereby the raising antijamming capability, its frequency is set up by W2, R13 and C6.Carrier generator 10 is made up of LM555 ic chip 5, potential device W3, resistance R 14～R16, capacitor C 7 and diode D3, be used to take place carrier wave, carrier frequency can be adjusted by W3, R14 and C7, the effect of D3 is that charging duration is shortened, the high level pulsewidth of output is narrowed down, thereby improve the emission efficiency of infrared transmitting tube 12.Power amplifier 11 is made of aerotron T3, and modulated carrier signal inputs to the base stage of T3 by the 3rd pin of IC5 and amplifies back promotion infrared transmitting tube 12 through T3 and send corresponding infrared signal.

Described receiving device is made up of the infrared receiving tube 13 that joins successively, frequency selecting amplifier 14, demoder 15, and described telltale is made up of with amplifier 18 and sound generator 19 logic driver 16, optical display unit 17, vibration.Described frequency selecting amplifier 14 is made up of μ PC1373H ic chip 7, coil L, capacitor C 15～C20, resistance R 20～R22, after the modulated infrared optical signal that another feedway sends is picked up in infrared receiving tube 13 inspection, change corresponding electric signal into and send into the 7th pin of IC7, IC7 is the infrared special-purpose amplification circuit that receives, its inside includes in advance puts/frequency-selecting/detection/circuit such as shaping, its central frequency is set up by L, C17, and is consistent with the carrier frequency of corresponding transmitter.Described demoder 15 is made up of LM567 IC 6, potential device W4, capacitor C 8～C14, resistance R 17～R19, IC6 is a phase-locked loop intergrated circuit, the signal that detects through IC7 passes through the 3rd pin that C12 is coupled to IC6, after the inner demodulator circuit demodulation of IC6 by the 8th pin output low level signal, its central frequency is adjusted by 5 pin and 6 W4 that pin connects, C13, and its frequency is consistent with the modulating frequency of corresponding transmitter modulator.Described logic driver 16 is made up of YF1, YF2, resistance R 6～R8, diode D1, the D2 of CD4011 ic chip 2, after receiving device is received the infrared signal that corresponding feedway sends, output of 8 pin and the consistent low level pulse of beat generator 8 frequencies of IC6, this impulse singla constitutes via D1, D2 after the anti-phase shaping of phase inverter of YF1 or YF2 formation again or door output high level control wave.Described optical display unit 17 is made up of with LED5 current-limiting resistance R4, R5, LED 4, before being respectively, LED4, LED5 receive and back reception indication, by YF1 and YF2 direct drive, when receiving signal, indicate " front truck is replied " and " back car request " state respectively.Vibration is formed with YF3, YF4, resistance R 9～R11, capacitor C 4 and the aerotron T1 of amplifier 18 by ic chip 2, the controlled audio frequency oscillator that constitutes by YF3, YF4 and R9, C4, be controlled by that D1, D2 constitute or door, starting of oscillation when LED4 or LED5 light, and amplify the back promotion by T1 and interrogate sound generator 19 sounding that Chinese percussion instrument SP constitutes by micro electromagnetic, show thereby constitute complete acousto-optic.

Launch control unit 2, constant voltage power suspply 5 and telltale 7 are contained in and are convenient to the position operating and observe before the motor vehicle driving platform during use, preceding feedway 1 and before receiving device 4, back feedway 3 and back receiving device 6 be contained in before the car respectively and the appropriate location behind the car.In order to prevent to disturb, forward and backward feedway adopts different modulating frequencies, and receiving device is only decoded to the infrared signal that the back feedway sends before making; Same back receiving device is only decoded to the signal that preceding feedway sends.

In conjunction with above embodiment as can be seen, advantage of the present utility model is: the chaufeur of forward and backward vehicle is when overtaking other vehicles, can utilize emission or receive infrared signal and know whether the other side requires to overtake other vehicles or be allowed to overtake other vehicles, can not produce and judge and operational mistake, reduce the generation of delay unloading phenomenon and the traffic accident that produce because of overtaking other vehicles; In addition, because forward and backward feedway of the present utility model can adopt different modulating frequencies, thereby can avoid the interference of non-forward and backward vehicle when overtaking other vehicles.

Claims

1, a kind of self-propelled vehicle communicator of overtaking other vehicles, it is characterized in that, it comprises: constant voltage power suspply 5, the launch control unit 2 that joins with this constant voltage power suspply 5 and by the preceding feedway 1 and the back feedway 3 of its control, the telltale 7 that joins with constant voltage power suspply 5 and with the two preceding receiving device that all joins 4 and back receiving device 6, described feedway is by the beat generator 8 that joins successively, modulator 9, carrier generator 10, power sends out device 11 big, infrared transmitting tube 12 is formed, and described receiving device is by the infrared receiving tube 13 that joins successively, frequency selecting amplifier 14, demoder 15 is formed.

2, the self-propelled vehicle according to claim 1 communicator of overtaking other vehicles is characterized in that: described beat generator 8 is made up of LM555 ic chip 3 and potential device W1, resistance R 12 and the capacitor C 5 of modulating its frequency; Described modulator 9 is made up of LM555 ic chip 4 and potential device W2, resistance R 13, the capacitor C 6 of modulating its frequency; Described carrier generator 10 is made up of the LM555 ic chip 5, the potential device W3 of modulated carrier frequencies, resistance R 14, the capacitor C 7 that produce carrier wave.Described power amplifier 11 is made up of the aerotron T2 that base stage and IC5 the 3rd pin join.

3, the self-propelled vehicle according to claim 1 and 2 communicator of overtaking other vehicles is characterized in that: described frequency selecting amplifier 14 comprises infrared special-purpose coil L, the capacitor C 17 that receives amplification integrated block IC 7 and be used to adjust its central frequency by μ PC1373H; Described demoder 15 comprises LM567 ic chip 6 and is connected its 5 pin and 6 pin, is used to adjust potential device W4, the capacitor C 11 of its central frequency.

4, the self-propelled vehicle according to claim 1 and 2 communicator of overtaking other vehicles is characterized in that: described launch control unit 2 is made up of three position switch K2 and current-limiting resistance R2, R3 and LED 2 and LED3.

5, the self-propelled vehicle according to claim 3 communicator of overtaking other vehicles, it is characterized in that: described telltale 7 is made up of with amplifier 18 and sound generator 19 logic driver 16, optical display unit 17, vibration.

6, the self-propelled vehicle according to claim 5 communicator of overtaking other vehicles, it is characterized in that: described logic driver 16 is made up of the YF1 of CD4011 ic chip 2, the reverser that YF2 constitutes, OR circuit and the resistance R 6～R8 that diode D1, D2 constitute, and described optical display unit 17 is made up of current-limiting resistance R4, R5 and LED 4, LED5; The amplifier that the oscillator that described vibration and amplifier 18 are made of the YF3 that comprises ic chip 2, YF4, aerotron T1 constitute is formed; Described sound generator 19 is that micro electromagnetic news are rung producer SP.