阅读说明：本技术 激光投影设备 (Laser projection device ) 是由 崔雷 邢哲 于 2019-10-31 设计创作，主要内容包括：本发明提供了一种激光投影设备,在整机外壳和底座形成的容置空间内设置有：光源,光机和镜头,光源用于提供照明光束,光机用于对照明光束进行调制,镜头用于将调制后的光束投影成像；其中,光源还具有散热装置,光机具有散热器；多个电路板,相对于所述底座竖直并沿整机外壳的内侧设置第一风扇,第二风扇,用于将第一散热气流流经所述光机的散热器和至少部分多个电路板；第三风扇,用于将第二散热气流流经光源的散热装置和镜头。上述激光投影设备能够兼顾实现整机的小型化和高效散热。(The invention provides a laser projection device, wherein an accommodating space formed by a complete machine shell and a base is internally provided with: the light source is used for providing an illumination light beam, the optical machine is used for modulating the illumination light beam, and the lens is used for projecting and imaging the modulated light beam; wherein, the light source also has heat dissipating double-fuselage, the mere machine has heat sinks; the circuit boards are vertical relative to the base and are provided with a first fan and a second fan along the inner side of the whole machine shell, and the first fan is used for enabling first heat dissipation airflow to flow through a radiator of the optical machine and at least part of the circuit boards; and the third fan is used for enabling the second heat dissipation airflow to flow through the heat dissipation device of the light source and the lens. The laser projection equipment can realize both miniaturization and efficient heat dissipation of the whole machine.)

1. The laser projection equipment is characterized by comprising a whole machine shell and a base, wherein an accommodating space is formed between the whole machine shell and the base, and the accommodating space is internally provided with:

the light source is used for providing an illuminating light beam, the light machine is used for modulating the illuminating light beam, and the lens is used for projecting and imaging the modulated light beam; the light source is also provided with a heat dissipation device, and the optical machine is provided with a heat radiator;

the circuit boards are vertical relative to the base and are arranged along the inner side of the whole machine shell;

the first fan and the second fan are used for enabling a first heat dissipation airflow to flow through the heat radiator of the optical machine and at least part of the circuit boards;

and the third fan is used for enabling a second heat dissipation airflow to flow through the heat dissipation device of the light source and the lens.

2. The laser projection device of claim 1, wherein the plurality of circuit boards are arranged in parallel facing the light engine.

3. The laser projection device of claim 1, wherein the heat sink is disposed on a back side of the light source, and/or the heat sink is disposed on a side or top side of the optical engine.

4. The laser projection device of claim 3, wherein the heat sink is juxtaposed with the lens, and a fourth fan is disposed between the heat sink and the lens.

5. The laser projection device of claim 1, wherein the plurality of circuit boards includes at least a power board, a display board, and a signal transmission board.

6. The laser projection device of claim 1, wherein the plurality of circuit boards are each disposed along a rear side of the overall housing.

7. The laser projection device of claim 1, wherein the plurality of circuit boards are disposed along a rear side and a front side of the overall housing.

8. The laser projection device of claim 1, wherein the heat dissipation paths through which the first and second heat dissipation airflows flow are approximately parallel.

9. The laser projection device of claim 5, wherein the first heat sink gas flow and the second heat sink gas flow are in the same or different flow directions.

10. The laser projection device of claim 1, wherein the light source, the optical engine, and the lens are connected to form an "L" shape.