CN202029749U

CN202029749U - Automobile brake light changing device

Info

Publication number: CN202029749U
Application number: CN2011201141808U
Authority: CN
Inventors: 龚懿
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-19
Filing date: 2011-04-19
Publication date: 2011-11-09
Anticipated expiration: 2021-04-19

Abstract

An automobile brake light changing device comprises a brake circuit and an emergency brake antilock brake system. A normal brake sampling isolation circuit connected to an output end of the brake circuit comprises a trigger and an emitter follower, the trigger is composed of a photoelectric coupler ELD, a transistor, a resistor and a capacitor, and the emitter follower has isolation and low impedance output. An emergency brake sampling isolation circuit is connected to an output end of the emergency brake antilock brake system, a trigger and an emitter follower are arranged at the front end of the emergency brake sampling isolation circuit, the trigger is composed of a photoelectric coupler ELD, a transistor, a resistor and a capacitor, the emitter follower has isolation and low impedance output, a multivibrator composed of two NOT gate manifold blocks is arranged at the rear end of the emergency brake sampling isolation circuit, and generated pulse signals amplified by the transistors are transmitted to a next amplifier, and are transmitted to automobile taillights and an LED display screen through an output control circuit. The automobile brake light changing device is capable of effectively distinguishing normal brake and emergency brake so as to effectively reduce rear end collisions, is safe, reliable and practical.

Description

The braking automobile lighting transform device

Technical field

The utility model relates to a kind of brake light control setup, particularly a kind of full automatic vehicle brake light converting means of instant playback braking automobile state.

Background technology

At present, many traffic accidents are all because improper causing taked in the brake measure.

Such as; The front truck driver has taked the emergency brake measure after running into emergency situation, then the car driver obviously know front truck taked the brake, but, cause the generation of rear-end collision so resolutely do not take the emergency brake measure owing to be hard to tell normal slowing-down brake or emergency brake.

If a kind of braking automobile lighting transform device can be arranged, be directed to car behind normal slowing-down brake or the sudden stop, send different light, back car driver can tell normal slowing-down brake or emergency brake according to the state of front truck stoplight stop lamp, just can take corresponding emergency brake measure, then might avoid the generation of rear-end collision.

The utility model content

The utility model technical issues that need to address just are to overcome the defective of prior art, a kind of braking automobile lighting transform device is provided, it can be directed to car behind normal slowing-down brake or the sudden stop, send different light, make back car driver tell normal slowing-down brake or emergency brake according to the state of front truck stoplight stop lamp, and take corresponding emergency brake measure, and avoided the generation of rear-end collision, improved running safety greatly.

For addressing the above problem, the utility model adopts following technical scheme:

The utility model provides a kind of full automatic vehicle brake light converting means, include a brake circuit and a sudden stop antiblock device circuit, it is characterized in that: this brake circuit output end connects normal braking sampling buffer circuit, this normal braking sampling buffer circuit includes a photoelectrical coupler ELD1, crystal triode VT1 and resistance R 2, R3, the binary pair that R4 forms, the emitter follower that this binary pair parallel connection is made up of crystal triode VT2 and resistance R 5, be connected coupling capacitance C1 and transistor diode D1 between this binary pair and the emitter follower, emitter and the collecting electrode of the crystal triode VT2 of this emitter follower are connected to the output control circuit of being made up of electronic switch ic chip 3, and output control circuit is connected to an automobile tail stoplight stop lamp and a paths of LEDs read-out.

The mouth of this sudden stop antiblock device circuit connects sudden stop sampling buffer circuit, this sudden stop sampling buffer circuit includes a photoelectrical coupler ELD2, crystal triode VT3 and resistance R 7, R8, the binary pair that R9 forms, the emitter follower that this binary pair parallel connection is made up of crystal triode VT4 and resistance R 10, be connected coupling capacitance C2 and transistor diode D2 between this binary pair and the emitter follower, be parallel with a series connected thyratron transistor VS1 and a resistance R 11 between the emitter of the crystal triode VT4 of this emitter follower and the collecting electrode, be connected with series connected thyratron transistor VS1 and resistance R 11 between the emitter of this crystal triode VT4 and the collecting electrode, wherein these resistance R 11 1 ends are connected to the collecting electrode of the crystal triode VT2 in the normal braking sampling buffer circuit, this thyratron transistor VS1 one end is connected with by two non-gate ic IC2, electricity group R12, the multi-vibrator that R13 and capacitor C 4 are formed, this multi-vibrator mouth connects a crystal triode VT5, be connected to amplifier IC1 again, this amplifier IC1 mouth is connected to the output control circuit of being made up of electronic switch ic chip 3, and is communicated with automobile tail stoplight stop lamp and LED display.

Normal braking sampling buffer circuit of the present utility model is formed a binary pair by photosensitive triode and crystal triode, resistance, the appearance element of photoelectrical coupler ELD.Another transistor and a resistance are formed emitter follower, and this emitter follower has characteristics such as isolation and low resistance output; Same sudden stop sampling buffer circuit front end also is photosensitive triode and the crystal triode by photoelectrical coupler ELD, resistance, hold element and form a binary pair, another triode and a resistance are formed emitter follower, emitter follower has characteristics such as isolation and low resistance output, the oscillating circuit of this sudden stop sampling buffer circuit rear end is formed a multi-vibrator by two non-gate ics, the impulse singla that produces is after triode amplifies, deliver to the amplifier of next stage, after amplifying again, through output control circuit to automobile tail light, a whole set of circuit and front end are isolated fully, output is owing to adopting the electronic switch integrated circuit, so reliability is higher relatively.

At ordinary times, when the automobilist does not take to brake measure, do not deliver to the input end of photoelectrical coupler ELD1 (ELD2) because of there being any signal, ElD1 (ELD2) is in static state, at this moment, crystal triode VT1 (VT3) is because of the positive bias conducting, its collecting electrode is low level, and crystal triode VT2 (VT4) is ended, and is output as low level, subordinate's circuit no signal output, stoplight stop lamp does not work.

When the normal slowing-down brake of driver, at the input end of ELD1 signal input in the arteries and veins of certain amplitude is arranged, light-emitting diode conducting wherein is also luminous, make the photo-transistor conducting, crystal triode VT1 ends, and crystal triode VT2 is positive bias and conducting, and the output high level, this signal is delivered to output control circuit, makes stoplight stop lamp normally luminous.

If the driver takes emergency brake, at this moment, the ABS signal is delivered to the input end of ELD2, light-emitting diode conducting wherein is also luminous, make the photo-transistor conducting, crystal triode VT3 ends, crystal triode VT4 is positive bias and conducting, and the output high level, and this signal is delivered to thyratron transistor VS1 and made its conducting, oscillating circuit, amplifying circuit starts work simultaneously, and output control signals to output control circuit, make stoplight stop lamp obtain the wigwag of a flicker, at this moment, what stoplight stop lamp sent is blinker light, because output control circuit designs for interlocking, normal braking sampling buffer circuit and sudden stop sampling buffer circuit are isolated mutually, can not cause the mutual interference of two sampling buffer circuit phases, make its actv. distinguish normal braking or emergency brake thereby solved, the technical matters of avoiding rear-end collision to take place.

The utility model is simple in structure, and its advantage is as follows:

1, this cover of being added on the brake circuit of automobile of the utility model improves circuit, just can distinguish normal braking or emergency brake by actv..

2, the utility model can reduce the generation of rear-end collision effectively, and is safe and reliable, and the tool practicality.

Description of drawings

Fig. 1 is the utility model circuit structure functional block diagram.

The specific embodiment

As shown in Figure 1, be brake light converting means electrical block diagram of the present utility model, this full automatic vehicle brake light converting means, include a brake circuit 10 and a sudden stop antiblock device circuit 20, wherein, these brake circuit 10 mouths connect normal braking sampling buffer circuit 40, this normal braking sampling buffer circuit 40 includes a photoelectrical coupler ELD1, crystal triode VT1 and resistance R 2, R3, the binary pair that R4 forms, the emitter follower that this binary pair parallel connection is made up of crystal triode VT2 and resistance R 5, be connected coupling capacitance C1 and transistor diode D1 between this binary pair and the emitter follower, the emitter of the crystal triode VT2 of this emitter follower and collecting electrode are connected to the output control circuit of being made up of electronic switch ic chip 3 60, and output control circuit 60 is connected to automobile tail stoplight stop lamp 30 and LED display 70.

The mouth of this sudden stop antiblock device circuit 20 connects sudden stop sampling buffer circuit 50, this sudden stop sampling buffer circuit 50 includes a photoelectrical coupler ELD2, crystal triode VT3 and resistance R 7, R8, the binary pair that R9 forms, the emitter follower that this binary pair parallel connection is made up of crystal triode VT4 and resistance R 10, be connected coupling capacitance C2 and transistor diode D2 between this binary pair and the emitter follower, be parallel with a series connected thyratron transistor VS1 and a resistance R 11 between the emitter of the crystal triode VT4 of this emitter follower and the collecting electrode, be connected with series connected thyratron transistor VS1 and resistance R 11 between the emitter of this crystal triode VT4 and the collecting electrode, wherein these resistance R 11 1 ends are connected to the collecting electrode of the crystal triode VT2 in the normal braking sampling buffer circuit 40, this thyratron transistor VS1 one end is connected with by two non-gate ic IC2, electricity group R12, the multi-vibrator that R13 and capacitor C 4 are formed, this multi-vibrator mouth connects a crystal triode VT5, be connected to amplifier IC1 again, this amplifier IC1 mouth is connected to the output control circuit of being made up of electronic switch ic chip 3 60, control circuit 60 respectively with automobile tail stoplight stop lamp 30, and LED display 70 is communicated with.

During work, when the automobile of cruising need slow down, just normally depress braking vane, normal braking sampling this moment buffer circuit input end only has the input of normal braking signal, this signal is exported normal braking control signal (stoplight stop lamp Chang Liang) through the high resistant buffer circuit.

When the driver in case of emergency takes the emergency braking measure, at this moment, sudden stop antiblock device (being called for short ABS) starts.Control signal from the ABS system inputs to sudden stop sampling buffer circuit, after isolating sampling, amplifying, send into output control circuit, light controling signal through a flicker of output control circuit output, delivering to stoplight stop lamp is its emergency light optical signal that becomes quick-fried sudden strain of a muscle, back car driver also can take corresponding emergency braking measure after seeing the emergency brake light of this flicker simultaneously, reduces the generation of rear-end collision effectively.

It should be noted that at last: obviously, the foregoing description only is for the utility model example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being amplified out thus or change still are among the protection domain of the present utility model.

Claims

1. braking automobile lighting transform device, include a brake circuit and a sudden stop antiblock device circuit, it is characterized in that: this brake circuit output end connects normal braking sampling buffer circuit, this normal braking sampling buffer circuit includes a photoelectrical coupler ELD1, crystal triode VT1 and resistance R 2, R3, the binary pair that R4 forms, the emitter follower that this binary pair parallel connection is made up of crystal triode VT2 and resistance R 5, be connected coupling capacitance C1 and transistor diode D1 between this binary pair and the emitter follower, emitter and the collecting electrode of the crystal triode VT2 of this emitter follower are connected to the output control circuit of being made up of electronic switch ic chip 3, and output control circuit is connected to automobile tail stoplight stop lamp and LED display;