CN2400321Y - Automotive vehicle running safe alarm - Google Patents

Abstract

The utility model relates to a running safe alarm for an automotive vehicle, which is composed of a power supply circuit, a multivibrator circuit, an emitter circuit and a receiver circuit. The utility model is mainly characterized in that a switch circuit is composed of the multivibrator circuit and is used for controlling the work of an emitter and a receiver. Two charge and discharge capacitors in a multivibrator are selected, so the receiver can work for two seconds after the emitter works for 1 second. The alternately working alarm can alarm when two vehicles meet within 35 m to 40 m, and the alarm performance is good. The utility model is suitable for mountainous areas with multiple sharp turns and multiple crossroads, and is especially suitable for sliding roads in rainy days and dense fog days.

Description

The motor-driven vehicle going safety alarm

The utility model relates to a kind of warning device, and a kind of device of definitely saying so guarantees the warning device of driving safety on power actuated vehicle.

Along with expanding economy, the hurried increase of the power actuated vehicle in town and country, traffic accident is more and more, has not only caused the massive losses of lives and properties, and it is painful and unfortunate to have brought also for some families.

Goal of the invention of the present utility model is: the generation that reduces and try to forestall traffic accidents, and for the motor vehicle driving person provides a kind of simple in structure, compact volume and convenience, function admirable, cheap motor-driven vehicle going safety alarm.Be particularly suitable for the mountain highway at many sharply turnings, the road of many forks in the road and use at the vehicle of running on expressway is more suitable in using in slippery when wet, foggy weather situation down train.

Goal of the invention of the present utility model realizes by implementing following technical scheme:

The utility model is by the direct supply of 24 volts or 12 volts, multivibrator circuit, and transmitter circuit and acceptor circuit constitute.Direct supply passes through K switch, after anti-magnetized coil L1 eliminates electromagnetic interference, behind the C1 capacitor filtering, be input to first order three terminal regulator, export 9 volts of constant current voltages, as multi-vibrator bias resistor R2, R3, R4, the cathode voltage of R5 and be connected on cathode power supply joint 14 pin of projector A mode logic switch chip HD14069ubp and make the projector working power, the negative pole of direct supply is the BG2 of direct connection multi-vibrator then, with the negative voltage of two transistor emitters of BG3 as multi-vibrator work, simultaneously, this root cathode conductor connects the emitter of aerotron BG1, and is connected on the anode connector 7 of the A mode logic switch chip HD14069ubp in the projector through collecting electrode.Direct supply is through 9 volts of first order three-terminal voltage-stabilizing outputs, output becomes 5 volts and exports through load R7 step-down through 9 volts of second stage three terminal regulators again, again through filtering, stabilivolt D1W voltage stabilizing becomes the positive plate operating voltage of 3 volts of backs as receptor, and the negative pole printed line of receptor connects the collecting electrode of aerotron BG4 through lead, and is connected with the power-polar curve through emitter.

Multivibrator circuit: by positive bias resistance R 2, R3, R4, R5, electrolyte capacitance C2, C3, aerotron BG2 and BC3 constitute.Wherein resistance R 3, R4 intersect with the base stage of aerotron BG3 and BG2 respectively and link to each other, resistance R 2 links to each other with aerotron BG2 collecting electrode, and resistance R 5 links to each other with the collecting electrode of aerotron BG3, the positive pole of capacitor C 2, connect the public wiring of resistance R 2 and aerotron BG2 collecting electrode, the negative pole of C2 then connects the public wiring of resistance R 3 and aerotron BG3 base stage, and the negative pole of capacitor C 3 connects the public wiring of R4 and BG2 base stage, and positive level then connects the public wiring of R5 and BG3 collecting electrode.The multi-vibrator left end has a resistance R 1, and right-hand member has a resistance R 6.The R1 right-hand member connects the public wiring of R2, C2 and BG2 inter-collector, and left end then is connected with the base stage of aerotron BG1; The left end of R6 connects the public wiring of R5, C3 and BG3 inter-collector, and right-hand member then connects the base stage of aerotron BG4; The emitter of aerotron BG1 is connected to power cathode and joins with the public exit of first order three terminal regulator 7809, and collecting electrode is by lead-in wire, one end is connected on the anode connector 7 of A mode logic switch chip HD14069ubp in the transmitter circuit, and the other end is received on the emitter of high frequency amplifier tube BG5.

Transmitter circuit: by control A mode logic switch chip HD14069ubp, R8, C6, L2 resonant tank, vapotron BG5, assemblies such as HF oscillation coupling capacitance and emitting antenna constitute.Emitting antenna one end is by the collecting electrode of lead-in wire connection vapotron BG5, and the other end connects the R8C6L2 resonant tank with lead-in wire, and attaching is used as the HF oscillation coupling capacitance of compensation and tuning usefulness between two lead-in wires.The base stage of vapotron BG5 is connected on the connection lead of capacitor C in the R8C6L2 resonant tank 6 and electricity group R8.

Series resistor R9 between A mode logic switch chip HD14069ubp:1 and 3 pin, be the crystal oscillator clock between 1 and 5 pin, 2 and 3 pin join, 4 and 5 pin join, 6,9,11,13 pin outsides join, external capacitor C5 between 8 and 10 pin, inductance L 2,12 pin in the 10 pin connection resonant tank connect R8 and the C6 in the resonator road.

Acceptor circuit: by receiving wire and by way of compensation with the HF oscillation coupling capacitance circuit of tuning usefulness, high frequency adoptor BG6 circuit, capacitor filter, triode BG7 intermediate frequency power amplification circuit, B mode logic switch chip HD14069ubp, low-frequency amplifier circuit, zener diode, constitutes as the buzzer phone of warning usefulness and all element circuits of light-emitting diode turn-on transistor BG9.Wherein receiving wire one end connects the collecting electrode of high frequency adoptor BG6, and link to each other with the base stage of power tube BG7 by lead series resistance R14, capacitor C 18, pass through collecting electrode, capacitor C 23 is input to the 1st pin of B mode logic switch chip HD14069ubp, and meeting current-limiting resistance R12 and blocking condenser C15 in parallel under the BG6 base stage, terminal connects the negative pole printed line; The emitter of BG6 is by connecing current-limiting resistance R13 and capacitor C 16 in parallel under the high frequency resistance winding L3, terminal connects the negative pole printed line; Be connected blocking condenser C14 between the collecting electrode of BG6 and emitter, the emitter of intermediate frequency power tube BG7 connects the negative pole printed line, collecting electrode by feedback resistance R16 receive with base stage on the line of straight capacitor C 18, between collecting electrode and 3 volts of anodal printed lines, current-limiting resistance R17 is arranged, between the output line (R14 and C18 line) of BG6 collecting electrode and negative pole printed line, filter capacitor C17 is arranged, between the collecting electrode of power tube BG7 and negative pole printed line, filter capacitor C19 is arranged, between 3 volts of anodal printed lines and negative pole printed line, filter capacitor C22 is arranged; Between 1 and 2 pin of B mode logic switch chip HD14069ubp input resistance R22 is arranged, have between 2 and 3 pin between capacitor C 24,3 and 4 pin input resistance R23 is arranged, series connected crystal oscillator clock is arranged between 4 and 5 pin, compensating resistance R20 and capacitor C 25, series connected capacitor C 26 and stabilivolt D2W between 6 and 7 pin; Current-limiting resistance R21 is connected on the line of 25 of compensating resistance 20 and capacitor C, and receive down low putting on the collecting electrode of aerotron BG8, the emitter direct connection negative pole printed line of this pipe, connect the negative pole printed line and connect current-limiting resistance R19 under the base stage, on connect the points of common connection of compensating resistance 20 and crystal oscillator clock, 14 pin of B mode logic switch chip connect 3 volts of anodal printed lines, 8,11,13 pin are connected together outward, 10, the external substrate that also links conduction pipe BG9 together of 12 pin by two utmost point D4W, this pipe emitter connects the negative pole printed line, the collector terminal parallel connection is as the buzzer phone and the light-emitting diode of annunciator, diode D4W one end connects the base stage of BG9, this end is again by line process capacitor C 28 and minus plate wire joint, go here and there respectively between 9 pin of B mode logic switch chip and negative pole printed line capacitor C 27 is arranged, resistance R 26, resistance R 25 and double voltage stabilizing tube D3W, the serial connection line of D2W, the emitter of BG9 and the collecting electrode of BG4 are all linked on the negative pole printed line;

Principle of work of the present utility model is as follows:

Turn on the power switch K, be added to by 9 volts of positive voltages of three terminal regulator 7809 output on 14 pin of A mode logic switch chip of projector, also be added to simultaneously on the anodal printed line of multi-vibrator and on the warning device, and be added on the anodal printed line of receptor by 3 volts of voltages that 7805 three terminal regulators and divider resistance R7 draw.At this moment, multi-vibrator is by alternately charging and discharge and produced autoexcitation of cond C2 and C3, make aerotron BG1 and BG4 alternately produce conducting and end, and be added to 9 volts of operating voltages on projector and the receptor respectively intermittently with 3 volts, cause the two exchange ground to carry out work and stop, therefore, multi-vibrator just becomes the source switch of control projector and receiver operation together with the circuit of BG1 and BG4.When capacitor C in the multi-vibrator 2 was a times of capacitor C 3 capacity, then the work-hours of receptor was a times of projector work-hours.

When the multi-resonant oscillating circuit conducting is added to power supply on the projector, the supply pin of A mode logic switch chip adds voltage, the crystal oscillator clock is started working, got through the chip internal switch, oscillator signal outputed in the oscillation circuit between 10 and 12 pin form high-frequency oscillation signal, BG5 goes out through transmission antennas transmit by vapotron.

When the multi-resonant oscillating circuit of the other side's safety alarm is added to power supply on the receptor, the other side's receptor antenna amplifies the signal that receives through high frequency adoptor BG6, input intermediate frequency power tube BG7 amplifies behind C17 electric capacity High frequency filter, again through C19 filtering, signal is input to 1 pin of B mode logic switch chip through capacitor C 23, start this chip, make the crystal oscillator clock work on 4 pin, signal input chip after low frequency power amplifies is opened internal switch, by 10,12 pin output signals output to the base stage of BG9 after the D4W voltage stabilizing, make this pipe conducting, signal is added on the warning device, makes buzzer call, light emitting diode lamp is bright.

After the other side receives the security alarm signal, start his annunciator equally, the emission security alerting signal.

Advantage of the present utility model is: apparatus structure is simple, small volume and less weight, and the warning dependable performance, cheap for manufacturing cost, easy to utilize.

Fig. 1 has provided the utility model circuit structure diagram

Dotted line is divided into four parts to this device circuit among the figure, is acceptor circuit in the upper ledge dotted line, is multi-resonant oscillating circuit in the center dotted line of right side, is transmitter circuit in the center dotted line of left side, is power circuit in the lower frame dotted line.

Embodiment:

Power circuit: power supply is 24 volts of direct currents or 12 volts, and first order three terminal regulator 7809 is exported 9 volts, and second stage three terminal regulator 7805 is exported 5 volts.

Multi-resonant oscillating circuit:

R1＝15K，R2＝680，R3＝33K，R4＝33K，R5＝680，R6＝5K；C2＝100VF，C3＝50VF，BG18050，BG29014，BG39014，BG48050。

Projector:

The A mode logic closes opens chip HD14069ubp

Crystal oscillator clock: 28-290MHZ

Vapotron: BG59018

High frequency resistance winding: L2=5.6VH

Resistance winding R8=47K

HF oscillation coupling capacitance C6=15P

Building-out capacitor C7=10P; C9=5P; C5=102P

Tuning capacity C8=3-15P

Crystal oscillator resistance R 9=1M receptor:

High frequency adoptor BG69018

Intermediate frequency power tube BG79014

Low-frequency power amplifier pipe BG89014

Conduction pipe BG98050

B mode logic switch chip HD14069ubp

Crystal oscillator clock 28-290MHZ

Filter capacitor C17=102P

Filter capacitor C19=102P

Power filter C22=100VF

Circuit main element parameter list (one)

The element title	Parameter
		Current-limiting resistance R1	5K
Bias resistor R2	680
		Bias resistor R3	33K
Bias resistor R4	33K
		Bias resistor R5	680
Current-limiting resistance R6	5K
		Current-limiting resistance R7	100
Resistance winding R8	47
		R9	1M
R10	15K
		Current-limiting resistance R11	15K
Current-limiting resistance R12	33K
		Current-limiting resistance R13	680
Output resistance R14	3.3K
		R15	5.6K
Feedback resistance R16	1M
		Current-limiting resistance R17	33K
R18	47
		R49	120K
Compensating resistance R20	1M
		R21	47K
Input resistance R22	1M
		R23	1M
R24	1M
		R25
R26	510K

Circuit main element parameter list (two)

The element title	Parameter
		C1	1000VF
C2	50VF
		C3	100VF
C4	10VF
		C5	102P
C6	15P
		C7	10P
C8	7P
		C9	5P
C10	222P
		C11	7P
C12	12P
		C13	103P
C14	5P
		C15	103P
C16	681P
		C17	102P
C18	332P
		C19	101P
C20	47VF
		C21	102P
C22	100VF
		C23	332P
C24	332P

Circuit main element parameter list (three)

The element name parameter
	C25 332P
C26 562P
	C27 1VF
C28 562P
	Conduction pipe BG18050
BG29014
	BG39014
Conduction pipe BG48050
	Vapotron BG59018
High frequency adoptor BG69018
	In put the pipe BG79014
The low pipe BG89014 of putting
	Conduction pipe BG98050
A mode logic switch chip HD14069ubp
	B mode logic switch chip HD14069ubp
One-level three terminal regulator D5W7809
	Secondary three terminal regulator D6W7805
D1W, D2W, D3W stabilivolt, DW protective tube
	L1 demagnetization (disturbance rejection) coil
L2 high frequency wire resistor 5.6VH
	L3 high frequency wire resistor 5.6VH
Mode logic switch chip crystal oscillator clock 28-290MHZ

Claims (3)

1, a kind of motor vehicle safe drive annunciator, by power circuit, multi-resonant oscillating circuit, transmitter circuit and acceptor circuit four part element circuits constitute, it is characterized in that: by R2, R3, R4, R5, C2, C3, the resistance R 1 of R2, C2 and B G2 collecting electrode common port and be connected the conduction pipe BG1 of R1 in the multi-vibrator that BG2, BG3 form and the connection oscillator, R5 in the connection oscillator, the resistance R 6 of C3 and BG3 collecting electrode common port and be connected the multi-resonant oscillating circuit that the conduction pipe BG4 of R6 is formed has constituted the switch circuit of control projector and receiver operation.

2, according to the described annunciator of claim 1, it is characterized in that: the cond in the multi-resonant oscillating circuit: C2=100VF (quite the time of discharging and recharging is 2 seconds), C3=50VF (quite the time of discharging and recharging is 1 second).

3, according to the described annunciator of claim 2, it is characterized in that: the crystal oscillator clock in crystal oscillator clock in the transmitter circuit on the A mode logic switch chip and the acceptor circuit on the B mode logic switch chip is all 28-290MHZ (being equivalent to interior can the reception mutually of 35-40 rice distance).

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