CN2085326U - Light auto-controller for vehicle - Google Patents

Abstract

The utility model discloses an automatic controller which is suitable for the field of traffic and can change the light intensity of the lamps of vehicles when two vehicles encounter in running at night. The utility model is composed of a photoelectric converter, a positive feedback stable mechanism, an amplifier, an executor and oscillator components. The utility model enables the lamps of the two vehicles to keep in the light-dim or dim-light 'photopie vision ' status all along during the meeting of the vehivles at night through scientific connection and reasonable matching among the elements of components to, automatically realize optimum effects which can not be achieved by means of the manual control of drivers. The utility model has the advantages of sample manufacture, low cost and strong practicability.

Description

Light auto-controller for vehicle

The utility model relates to electronics and field of traffic, be a kind of that form by electronic devices and components, when being applicable to the vehicle night running, car light light can the strong and weak automatic control device that becomes light.

During the vehicle night running, what make us worrying most is safety problem, statistics according to traffic department, it is the highest that the accident that is caused during vehicle at night " meeting " is counted the accounting example, although this is when nights two, car met because there is a regulation in traffic department, must reduce the speed of a motor vehicle, instantaneous light-off of both sides or use low light level lamp, allow chaufeur with the obstacle on the road that aims to see clearly when the other side makes aforesaid operations own the place ahead, must be can't keep one's eyes open by the dazzling light-illuminating of the other side's vehicle avoiding, reduce the generation of accident, but in actual conditions, the chaufeur of both sides' vehicle becomes light according to wish separately, when " so meeting ", both sides' vehicle often has the phenomenon of advancing in complete black state, nervous or absent minded during part chaufeur meeting in addition, hand switch control is improper, and the traffic accident that leads to is still quite general, car crash when serious, this not only causes serious economy loss, and the extreme mental wound of bringing for the casualty relatives can't heal especially.To this, many these accidents of artificial elimination have been carried out all explorations.It is reported, also there is the composite set that adopts electronic devices and components to become light, also have and use the polarisation of light principle and reach and eliminate dazzling illumination, be applied in the practice but there is no, reason is that circuit layout still owes rationally can not get a desired effect, and is not accepted by navigating mate, must on all vehicles of the whole nation, certain effect be arranged unified installation side again, so apply also very difficult.

The purpose of this utility model is to overcome as much as possible the designed device of above-mentioned pathfinder and can not has proposed a kind of circuit layout and components and parts and constitute cleverly for putting into practice applied problem, during may command vehicle nighttime meeting, the strong and weak in good time device that changes of light, this device is installed good on a car, on relative two cars, all install and also can, its automatic guidance effect, all be better than the quite tacit chaufeur of two cooperations and when meeting, need control all manual effects that light changes, the visual field of chaufeur keeps clear when making meeting, can be in complete black or dazzling situation down train.

The utility model mainly is made up of parts such as photoelectric commutator, positive feed back stabilizing mechanism, amplifier, actuating unit and oscillators, compared with prior art, the utility model has increased a positive feed back stabilizing mechanism, and the components and parts of other each constituent elements are selected and connection mode each other is also obviously inequality.

Accompanying drawing one is schemed in succession for components and parts of the present utility model

Among the figure: V is a power supply, and R1, R7 are photoconductive cell; W1, W2 are potential device; C1, C2, C are electric capacity; R2, R3, R4, R5, R6, R8, R9, R10 are resistance; IC is 555 integrated packages; BG1, BG3 are NPN type aerotron; BG2, BG4, BG6 are the positive-negative-positive aerotron; J1, J2 are relay; D1, D2 are rectifier diode; KD is a switch; J11 is the normally closed contact of relay J 1, and j12 is the open contact of relay J device; J21 is the normally closed contact of relay J 2; J22 is a relay J ₂Open contact; L1 is car head light (sending out high light), and L2 is car lampet (sending out the low light level).

Now further specify technical characterictic of the present utility model in conjunction with the accompanying drawings:

(1) of the present utility model photoelectric commutator mainly is made up of photoconductive cell R1, potential device W1, resistance R 2, R3, aerotron BG1, R1, W1, R2 serial connection, and the base stage of aerotron BG1 connects between W1 and the R2, and collecting electrode meets R3; (2) positive feedback mechanism mainly contains photoconductive cell R7, resistance R 4, R5, R6, R8, aerotron BG2, BG3, wherein resistance R 4 is connected in series with photoconductive cell R7, the base stage of BG3 connects between R4 and the R7, collecting electrode connects the collecting electrode of aerotron BG2 again by resistance R 6 in the base stage that meets aerotron BG1, the base stage of BG2 is connected with the collecting electrode of BG1 by resistance R 5, BG2 emitter connecting resistance R8; (3) amplifier mainly is made up of aerotron BG4, BG5 and resistance R 9, and the base stage of BG4 is connected with the emitter of BG2, and collecting electrode connects the base stage that R9, emitter meet BG5; (4) oscillator mainly is made up of ic chip, resistance R 10, potential device W2, capacitor C 1, C2, No. 2 pin of integrated package link to each other respectively with No. 8 pin with No. 6 pin, No. 4 pin, No. 5 pin connect 1, No. 6 pin of capacitor C and link to each other with resistance R 10 by potential device W2, between No. 7 pin connecting resistance R10 and the W2; (5) actuating unit is divided into two parts again, promptly form with D2 with diode D1 with by relay J 2 by relay J 1 respectively, the connection mode of two relays is that the open contact j12 of J1 is connected with the normally closed contact j21 of J2, J1 normally closed contact j11 is connected with the open contact j22 of J2, and J1 and meet a backward diode D1, J2 and meet a backward diode D2; (6) other parts have power supply V, K switch ₀And the capacitor C that strobes etc.

The science of the utility model by the components and parts process of above-mentioned component part connects and rational Match car light change light automatic control function characteristics can reach the vehicle nighttime meeting time.The utility model is connected by accompanying drawing, open K switch.Vehicle is under the situation of meeting not, the size car light sends light and illuminates the road surface, when another relative and capable car appears in nearly 150 meters, the place ahead, as send a car high light also takes place, then the resistance of the photoconductive cell R1R7 of this controller sharply descends, BG3 ends, the base tension of aerotron BG1 raises, when being raised to 0.6V, and this aerotron conducting, collector voltage descends, the base tension that is BG2 also descends, and BG2 becomes conducting by ending, and the collector voltage of BG2 rises, and the base tension of BG1 is maintained between 0.6～0.7V by resistance R 6, make it to maintain stable operation point.And the base tension of the emitter BG4 of BG2 descends, BG4, BG5 conducting, relay J 1 adhesive, then reach the high light that extinguishes big car light immediately automatically, send the low light level and work as the other side's vehicle, the value of photoconductive cell R1, R7 increases, BG3 is by saturated by becoming conducting, the base tension of BG1 drops to 0.4V, and this pipe is ended by the conducting change, and the base tension of BG2 is elevated to 12V, thereby aerotron BG2, BG4, BG5 are also become by conducting and end, have only BG3 to become conducting by ending, J1 just unclamps, and J2 adhesive head light just sends high light.In the time of so just can avoiding two cars to meet fully, the bright simultaneously or phenomenon of going out of the inevitable two cars lamp of manual control.For another when the meeting, the other side's vehicle sends the constant light time of high light because of certain reason always, the oscillator of this controller is started working, power supply gives capacitor C 2 chargings by resistance R 10 potential device W2, charging finishes promptly to begin discharge, No. 3 pin of the ic chip of oscillator by output HIGH voltage to output active potential, J2 adhesive head light is bright, side light extinguishes, and capacitor C 2 discharges and recharges again again, car light just a little less than, strong (about 1 paper money) fast becomes light, impel the other side to become the low light level from high light, as long as the other side's lamp one dies down, this car head light can be bright immediately, when making the vehicle at night meeting at any time, both sides' car light remains one brightness and another darkness, my bright your dark " photopic vision " state realizes relying on the manually control effect that is beyond one's reach of chaufeur, if two cars all this controller is installed then effect is better.

Claims (1)

1, a kind of car light automatic controller of being made up of power supply, photoelectric commutator, amplifier, actuating unit and oscillator is characterized in that:

A, it has also comprised one by photoconductive cell R ₇, the positive feed back stabilizing mechanism formed of resistance R 4, R5, R6, R8 and aerotron BG2, BG3, and resistance R 4 is connected in series BG with photoconductive cell R7 ₃Base stage connect between R4 and the R7, collecting electrode connects the collecting electrode of BG2 again by resistance R 6 in the BG1 base stage in connecing photoelectric commutator, the base stage of BG2 is connected with the collecting electrode of BG1 by resistance R 5, the emitter connecting resistance R8 of BG2.

B, its composition and the connection mode of photoelectric commutator, amplifier, actuating unit and oscillator are respectively:

Photoelectric commutator is made up of photoconductive cell R1, potential device W1, resistance R 2, R3 and BG1, R1, W1, R2 serial connection, and the base stage of BG1 connects between W1 and the R2, and collecting electrode meets R3.Amplifier is by BG ₄BG5 and R9 form, and the base stage of BG4 is connected with the emitter of BG2, and collecting electrode connects the base stage that R9, emitter meet BG5;

Oscillator is made up of ic chip and R10, W2, C1, C2, and No. 2 pin of IC link to each other respectively with No. 8 pin with No. 6 pin, No. 4 pin, and No. 5 pin connect 1, No. 6 pin of capacitor C and link to each other with R10 by W2, and No. 7 pin connects between R10 and the W2;

Actuating unit is divided into two parts again, promptly form with diode D1 with by J2 and D2 by relay J 1 respectively, J1 and the connection mode of J2 are that the open contact j12 of J1 is connected with the normally closed contact j21 of J2, the normally closed contact j11 of J1 is connected with the open contact j22 of J2, and J1 and meet a backward diode D1, J2 and meet backward diode D2.