Car light unit with peltier cooler

Abstract

The invention provides an automobile lamp device with a semiconductor cooler. The automobile lamp device with the semiconductor cooler comprises a semiconductor laser light source module, a control module, a cooler drive module, a drive power source module and a light guide module. Semiconductor lasers and thermo-sensitive elements are fixedly arranged on a high thermal conductivity substrate of the semiconductor laser light source module, the tail end of each semiconductor laser corresponds to one photosensitive element, and a microprism is arranged on the upper portion of each photosensitive element. The control module is connected with the photosensitive elements and the thermo-sensitive elements and controls current of the semiconductor lasers through the drive power source module according to the information of the photosensitive elements, and the cooler drive module is driven to cool the semiconductor lasers according to the information of the thermo-sensitive elements. The front end of each semiconductor laser is provided with a shaping prism, and a light guide pipe is arranged between each automobile lamp lens and the corresponding shaping prism. According to the automobile lamp device, output of a finished automobile light source can be achieved only by one semiconductor laser light source module, the structure is simple, and the light source is stable and convenient to replace.

Description

technical field [0001] The invention relates to a vehicle lamp device with a semiconductor refrigerator, in particular to a vehicle lamp device with a semiconductor laser as a light source and with a semiconductor refrigerator. Background technique [0002] Traditional car headlights use halogen lamps, xenon lamps, etc. The light source has poor directionality, and the irradiation area and shape are relatively fixed and inflexible; the light source has poor penetration, high power consumption, and limited life. In contrast, if laser headlights are used, they have good directionality, more uniform irradiation, strong penetrating ability, high efficiency, and will not change greatly with the growth of use time, less additional loss, and faster response. Faster and more prominent features. [0003] It is a very new technology to apply semiconductor lasers to car light devices. In the existing technology, when using semiconductor lasers as light sources, one semiconductor laser...

AI Technical Summary

Problems solved by technology

[0003] It is a very new technology to apply semiconductor lasers to car light devices. In the existing technology, when using semiconductor lasers as light sources, one semiconductor laser can only correspond to one car light, and different car lights correspond to different light sources. Therefore, As a result, the structure of the car light is complicated, it takes up a lot of space, and it is extremely inconvenient to replace the light source

In the use of the car light device, the efficiency of the semiconductor laser may be reduced due to excessive temperature, which will affect the stability of the light source output and cannot meet the light distribution requirements of the car light device.

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