CN2435281Y - Automatic dimming means for automotive vehicle - Google Patents

Abstract

The utility model relates to an automatic dimming device for motor vehicles. The utility model is characterized in that a controller is composed of a preamplification circuit 2, a control circuit 3, an execution circuit 4 and a power circuit, wherein, the preamplification circuit 2 comprises a photoresistor R1 which is a receiving element 9 of a photosensitive probe 1; the receiving element 9 is inlaid in a housing 6 of which the front surface is provided with a light-transmission hole 7. When a headlamp on full beam of the opposite motor vehicle is switched on during night meeting, the utility model can automatically switch off the headlamp on full beam of the motor vehicle and simultaneously switch on a dipped headlamp; the utility model can switch on the headlamp on full beam of the motor vehicle and switch off the dipped headlamp after meeting. The utility model removes the troubles of manual operation, and besides, the utility model has the advantages of simple structure, low cost and high reliability.

Description

The self-propelled vehicle automatic dimmer

The utility model belongs to the car light control setup of self-propelled vehicle.

Existing self-propelled vehicle all is manually with far-reaching headlamp turn-off when nighttime meeting, opens passing light simultaneously, and meeting is opened country beam later again, and closes passing light.Operation is very much a trouble like this, and some driver does not just do these operations for following the line of least resistance, and therefore traffic accident is easily taken place.The existing self-propelled vehicle automatic dimmer of applying for a patent exists complex structure, cost height, the difficult shortcoming of promoting again.

The purpose of this utility model is a kind of self-propelled vehicle automatic dimmer of development, and this automatic dimmer is installed on the self-propelled vehicle, can the SELF CL country beam during meeting when night, open passing light; Meeting later again can the SELF CL passing light, opens country beam.And it is simple in structure, cost is low.

The utility model is made up of photosensitive probe 1, controller, and the every probe 1 of light is installed in the operator's compartment front, left side can receive the send a car position of light, opposite, and the receipts light face of photosensitive probe 1 is over against the place ahead.Controller is made up of pre-amplification circuit 2, control circuit 3, executive circuit 4, power circuit 5.Pre-amplification circuit 2 is by six resistance R ₂-R ₇, photoconductive cell R ₁, capacitor C ₁, aerotron T ₁, T ₂Form.Photoconductive cell R ₁Promptly be the receiving element 9 of photosensitive probe 1, receiving element 9 is set in the centre of a light proof housing 6, has a loop hole 7 in the front of housing 6, and receiving element 9 is over against transparent unthreaded hole 7.The two ends of receiving element 9 are respectively through the T of lead 8 with pre-amplification circuit 2 ₁Base stage and R ₁An end be connected.Control circuit 3 is by three resistance R ₈-R ₁₀, capacitor C ₂, op amp IC ₁, diode D ₁, aerotron T ₃Form.Executive circuit 4 is by diode D ₂, relay J ₁, normally closed contact J ₁₁, normal opened contact J ₁₂, country beam d ₁, passing light d ₂Form.Power circuit 5 is by three terminal regulator W, K switch, automotive battery E ₁Form, K switch is connected on storage battery E ₁Mouth and the input end of W between.

When the utility model is met the other side and is had country beam when nighttime meeting, country beam that can this car of SELF CL, and open passing light simultaneously; Later can control this car again when meeting and open the distance light car, close passing light.Exempt manually-operated trouble, reduced traffic accident.And it also have simple in structure, cost is low, the advantage of dependable performance.

Fig. 1 is the structural representation of photosensitive probe 1, and Fig. 2 is the installation site scheme drawing of photosensitive probe 1 on automobile, and Fig. 3 is the electrical block diagram of controller.

Embodiment one: present embodiment is made up of photosensitive probe 1, controller, and the every probe 1 of light is installed in the operator's compartment front, left side can receive the send a car position of light, opposite, and the receipts light face of photosensitive probe 1 is over against the place ahead.Controller is made up of pre-amplification circuit 2, control circuit 3, executive circuit 4, power circuit 5.Pre-amplification circuit 2 is by six resistance R ₂-R ₇, photoconductive cell R ₁, capacitor C ₁, aerotron T ₁, T ₂Form.Photoconductive cell R ₁Promptly be the receiving element 9 of photosensitive probe 1, receiving element 9 is set in the centre of a light proof housing 6, has a loop hole 7 in the front of housing 6, and receiving element 9 is over against loop hole 7, and the two ends of receiving element 9 are respectively through the T of lead 8 with pre-amplification circuit 2 ₁Base stage and R ₁An end be connected.R ₁A termination power E ₂, E ₂Be the 6V DC regulated power supply.T ₁Emitter through resistance R ₃Ground connection, T ₁Collecting electrode meets R ₅With C ₁Circuit parallel one end, R ₅With C ₁Another termination R of circuit parallel ₄, R ₄Another termination E ₂T ₂Base stage meet T ₁Collecting electrode, T ₂Grounded emitter, R ₇Be attempted by T ₂Emitter and collector between, R ₆Be connected on E ₂With T ₂Between the collecting electrode.Control circuit 3 is by three resistance R ₈-R ₁₀, capacitor C ₂, op amp IC ₁, diode D ₁, aerotron T ₃Form.IC ₁Select the HD14011BP model for use, IC ₁14 pin meet E ₂, IC ₁1 pin through R ₉Meet E ₂, IC ₁Input end 2 pin meet T ₂Collecting electrode, its 3,5,6 pin are connected in parallel, its 10,12,13 pin also are connected in parallel D ₁Positive pole be connected on IC ₁4 pin on, D ₁Negative pole meet IC ₁9 pin, 9 pin are again through R ₈Ground connection.IC ₁8 pin through C ₂Ground connection, IC ₁7 pin unsettled, IC ₁11 pin through R ₁₀Meet T ₃Base stage, T ₃Grounded emitter.Executive circuit 4 is by diode D ₂, relay J ₁, normally closed contact J ₁₁, normal opened contact J ₁₂, country beam d ₁, passing light d ₂Form.J ₁A termination T ₃Collecting electrode, J ₁The moved end of another termination K, D ₂Negative pole is connected on the moved end of K, D ₂Positive pole be connected on T ₃Collecting electrode on.J ₁Normally closed contact J ₁₁Be serially connected in moved end and the country beam d of K ₁Between, J ₁Normal opened contact J ₂₂Be serially connected in moved end and the passing light d of K ₂Between.Power circuit 5 is by three terminal regulator W, K switch, automotive battery E ₁Form, K switch is connected on storage battery E ₁Mouth and the input end of W between.W selects 7806 models for use, the output termination E of W ₂, W other end ground connection.

Embodiment two: present embodiment and embodiment one difference are that control circuit 3 increases by a manual rapid reaction circuit 10, and manually rapid reaction circuit 10 is by resistance R ₉, push switch opens K ₂Form K ₂One end ground connection, K ₂Another termination R ₉, R ₉Another termination IC ₁9 pin.Other composition is identical with embodiment one with annexation.

Claims (6)

1, self-propelled vehicle automatic dimmer, it is made up of photosensitive probe (1), controller, and photosensitive probe (1) is installed in the operator's compartment front, left side can receive the send a car position of light, opposite, and the receipts light face of photosensitive probe (1) is over against the place ahead; Controller is made up of pre-amplification circuit (2), control circuit (3), executive circuit (4), power circuit (5), and pre-amplification circuit (2) is by six resistance R ₂-R ₇, photoconductive cell R ₁, capacitor C ₁, aerotron T ₁, T ₂Form; It is characterized in that photoconductive cell R ₁It promptly is the receiving element (9) of photosensitive probe (1), receiving element (9) is set in the centre of a light proof housing (6), have a loop hole (7) in the front of housing (6), receiving element (9) is over against loop hole (7), and the two ends of receiving element (9) are respectively through the T of lead (8) with pre-amplification circuit (2) ₁Base stage and R ₁An end be connected.

2, self-propelled vehicle automatic dimmer according to claim 1 is characterized in that control circuit (3) is by three resistance R ₈-R ₁₀, capacitor C ₂, op amp IC ₁, diode D ₁, aerotron T ₃Form; IC ₁14 pin meet E ₂, IC ₁1 pin through R ₉Meet E ₂, IC ₁Input end 2 pin meet T ₂Collecting electrode, its 3,5,6 pin are connected in parallel, its 10,12,13 pin also are connected in parallel D ₁Positive pole be connected on IC ₁4 pin on, D ₁Negative pole meet IC ₁9 pin, 9 pin are again through R ₈Ground connection, IC ₁8 pin through C ₂Ground connection, IC ₁7 pin unsettled, IC ₁11 pin through R ₁₀Meet T ₃Base stage, T ₃Grounded emitter.

3, self-propelled vehicle automatic dimmer according to claim 1 is characterized in that executive circuit (4) is by diode D ₂, relay J ₁, normally closed contact J ₁₁, normal opened contact J ₁₂, country beam d ₁, passing light d ₂Form; J ₁A termination T _aCollecting electrode, J ₁The moved end of another termination K, D ₂Negative pole is connected on the moved end of K, D ₂Positive pole be connected on T ₃Collecting electrode on; J ₁Normally closed contact J ₁1 is serially connected in moved end and the country beam d of K ₁Between, J ₁Normal opened contact J ₂₂Be serially connected in moved end and the passing light d of K ₂Between.

4, self-propelled vehicle automatic dimmer according to claim 1 is characterized in that power circuit 5 is by three terminal regulator W, K switch, automotive battery E ₁Form, K switch is connected on storage battery E ₁Mouth and the input end of W between, the output termination E of W ₂, W other end ground connection.

5, self-propelled vehicle automatic dimmer according to claim 1 is characterized in that the R of pre-amplification circuit (2) ₁A termination power E ₂, T ₁Emitter through resistance R ₃Ground connection, T ₁Collecting electrode meets R ₅With C ₁Circuit parallel one end, R ₅With C ₁Another termination R of circuit parallel ₄, R ₄Another termination E ₂T ₂Base stage meet T ₁Collecting electrode, T ₂Grounded emitter, R ₇Be attempted by T ₂Emitter and collector between, R ₆Be connected on E ₂With T ₂Between the collecting electrode.

6, according to claim 1,2 described self-propelled vehicle automatic dimmers, it is characterized in that control circuit (3) increases by a manual rapid reaction circuit (10), manually rapid reaction circuit (10) is by resistance R ₉, push switch opens K ₂Form K ₂One end ground connection, K ₂Another termination R ₉, R ₉Another termination IC ₁9 pin.

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