Protection cover for light giving-out hole of laser lamp

Abstract

The invention relates to the technical field of a laser lamp, in particular to a protection cover for a light giving-out hole of the laser lamp. A sealing assembly is arranged at a light giving-out hole of the laser lamp and comprises a cover plate, a sealing ring is arranged on the cover plate, the sealing effect of the light giving-out hole of the laser lamp is solved through sealing a baffle plate of the light giving-out hole by the sealing assembly, the clean and sanitary effect of a lamp head is ensured at different states of the light giving-out hole of the laser lamp, and the lifetime of the lamp head is prolonged; and by a spring arranged at one side of the baffle plate, the baffle plate can be automatically and rapidly opened, and the laser lamp is convenient and rapid to use.

Description

technical field [0001] The invention relates to the technical field of laser lamps, in particular to a protective cover for a light outlet of a laser lamp. Background technique [0002] Laser projection display technology (LDT), also known as laser projection technology or laser display technology, is a display technology that uses red, green, and blue (RGB) three primary color lasers as light sources, and can most truly reproduce the rich and gorgeous colors of the objective world. , providing even more shocking expressiveness. From the perspective of chromaticity, the color gamut coverage rate of laser display can reach more than 90% of the color space that can be recognized by human eyes, which is more than twice the color gamut coverage rate of traditional display, completely breaking through the color gamut space of the previous three generations of display technology To achieve the most perfect color reproduction in the history of human beings, so that people can see ...

AI Technical Summary

Problems solved by technology

[0003] General-purpose laser equipment generally includes a shell, and a series of light-emitting components and control programs installed inside the shell, which are emitted through the light outlet of the laser equipment to form various brilliant colors. There is usually a protective plate with a more common design, and a small round handle drives the protective mechanism that can move the protective plate back and forth. The purpose is to have an effective protection for the light-emitting port. Impurities cannot enter the light-emitting port, because there should be no dust at the light-emitting port. Once dust, moisture, etc. appear, it will pollute the mirror of the light-emitting port, resulting in attenuation of the laser effect and even reducing the service life of the mirror of the light-emitting port.

[0004] This commonly used guard plate structure can be applied in many designs, such as projectors, electronic luminous instruments, etc., where the guard plate is set at the lens position of the light-emitting port. In short, in order to meet the back and forth movement of the guard plate, there must be a clearance fit Only this kind of clearance fit can form the effect of smooth back and forth movement, because the design of this clearance fit will allow dust to enter from such small slits. In short, dust and moisture from the outside will pass through this small slit. The gap slit still enters the lens position of the light emitting port, and will still pollute the lens at the light emitting port

[0005] Secondly, every time the guard is opened or closed, because there is no effective fixing or limit design for the guard, the guard has a tendency to move by itself no matter in any state. Or the fixed result will make the guard plate have a tendency to close or open by itself no matter when it is opened or closed. For example, during transportation, if the guard plate is opened due to vibration, it will cause more damage to the lens of the light-emitting port. big pollution

Also, if it cannot be opened effectively and quickly during use, it will damage the gap of the guard plate, making the gap more worn and larger, and eventually it will not be able to play the role of the guard plate.

Images