Automobile headlight regulator refers to the headlights of the car under the impact of the trunk load, long-time vibration, high and low road conditions, will cause the irradiation direction from the standard direction, the function of the light regulator to adjust the direction of the headlights from the deviation The direction is restored to the standard direction, thereby improving the lighting effect of the headlights.

At present, there are mainly manual and automatic light regulators. The manual mode is mainly composed of a headlight dimming motor and a manual switch. The headlight dimming motor is at the front headlights, and the control section is on the cab and on the instrument panel. Manual switch, rely on the driver to adjust according to their needs; automatic type headlamp dimming motor, controller and two level sensors, horizontal sensors are installed in the front and rear ends of the body, mainly to detect the height of the chassis to the ground, The height difference is transmitted to the controller as an electrical signal. After the controller compares the calculations, the headlight dimmer motor is controlled to complete the automatic adjustment of the headlight.