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Automatic device for changing light of front headlight of motor vehicle

A technology of automatic dimming and headlights, which can be used in signal devices, optical signals, vehicle components, etc., and can solve problems such as traffic accidents

Active Publication Date: 2010-09-22
赵立
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of traffic accidents caused by turning on the high beam lights for a long time when the existing motor vehicles meet at night, the purpose of the present invention is to provide a front of the motor vehicle that forces the motor vehicles to automatically change the high beam lights to the low beam lights. Headlight automatic dimming device, so as to ensure safe driving when meeting cars at night

Method used

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  • Automatic device for changing light of front headlight of motor vehicle
  • Automatic device for changing light of front headlight of motor vehicle
  • Automatic device for changing light of front headlight of motor vehicle

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Embodiment Construction

[0012] see figure 1 and figure 2. The voltage stabilizing circuit 1 of the present invention is composed of an integrated voltage stabilizing block IC1, the single-chip microcomputer circuit 2 is composed of a single-chip microcomputer IC2 containing built-in memory and AD conversion, resistors R4, R6, R8, and R15 are connected, and the signal transmitting and receiving circuit 3 is composed of a wireless transceiver module IC3 Composition, the detection circuit 4 is composed of op-amp integrated blocks IC4 (IC4-A, IC4-B), R1, R2, R3, R5, R7, R13, R14, R16, R17, R20, and the safety prompt circuit 5 is composed of light-emitting diodes LED1, LED2, resistors R10, R11 are connected. Dimming executive circuit 6 is composed of triode T2, diode VD, resistor R12, relay 61 and its normally closed contact 611 and normally open contact 612. Gradual dimming control circuit 7 It is composed of field effect transistor V, triode T1 and resistors R9, R18 and R19. Wherein the output termi...

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PUM

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Abstract

The invention relates to a vehicle headlight auto light altering device that includes voltage regulator circuit, MCU, signal emitting and receiving circuit, testing circuit, safety alarming circuit, light altering executing circuit, and advancing light altering control circuit. It is installed under engine cover and wheel house, and is connected to ignition switch, dipped headlight, and high beam. Once one vehicle lights dipped headlight, the other would switch to dipped headlight automatically from high beam. Thus, the safety would be ensured. The device is easy to install and works reliably. It would not influence other function of the vehicle.

Description

technical field [0001] The invention relates to a circuit used in an optical lighting device of a motor vehicle, in particular to an automatic light-dimming device for a headlight of a motor vehicle. Background technique [0002] Motor vehicle headlights have two illumination functions of high beam and low beam. When a motor vehicle is running normally at night, it is generally illuminated with high beams. When two vehicles meet, in order to prevent the high beams from being dazzled and avoid traffic safety accidents arising therefrom, the Ministry of Communications has stipulated on motor vehicle safety: motor vehicles at night When meeting vehicles, at a distance of 150M, both sides of the meeting vehicle should actively change the headlights to low beam lighting. Because the change of the far and low beams of the motor vehicle is manually controlled by the driver, due to the driver's negligence and low quality , Malicious opening and other reasons, at present, the safety...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60Q1/14
Inventor 赵立
Owner 赵立
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