Projection laser light combination module

By using electric slide table and electric push rod in the laser projector for beam adjustment, combined with the design of rotating sleeve and convex glue table, the defects of traditional laser projectors in the beam unity and transmission links are solved, achieving higher quality projection effects and longer equipment life.

CN119644658AActive Publication Date: 2025-03-18FUZHOU OPTICSWIDE TECH CO LTD
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Patent Information

Application Number
CN202510147056.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-03-18
Estimated Expiration
2045-02-11

AI Technical Summary

Technical Problem

In the beam unity and transmission links, traditional laser projectors have difficulty in precise fine-tuning of the focus lens, inconvenient debugging of the beam refractive angle, easy damage to the refractive plate, lack of heat dissipation and cleaning mechanisms, resulting in poor projection effect, short service life and high maintenance costs.

Method used

A projection laser light synthesizing module is designed, using an electric slide platform to drive the carriage movement, synchronously adjust the mounting plate and focus lens to achieve accurate focusing of the laser; deflect the rotary frame through the electric push rod to flexibly adjust the refractive angle of the light beam; using a rotating sleeve to drive the refractive plate to circulate and avoid damage to a single refractive plate; using a convex glue table and cleaning fluff to achieve heat dissipation and cleaning of the refractive plate.

Benefits of technology

It improves the focus accuracy of the laser, enhances the clarity and brightness of the projection, simplifies the beam debugging process, extends the service life of the refractive panel, reduces maintenance costs, and improves the user experience.

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Abstract

The invention relates to the field of laser projection equipment, in particular to a projection laser light combination module which comprises a laser projection module, the laser projection module comprises a shell, a light source frame is arranged on one side in the shell, and a laser array frame is installed in the middle of one side of the light source frame. Uniformly distributed laser heads are mounted in the middle of the side, away from the light source frame, of the laser array frame, a mounting frame is mounted on the side, close to the light source frame, of the middle in the shell, electric sliding tables are mounted on the two sides in the mounting frame, and a first mounting plate is arranged on one side of the laser array frame; a second mounting plate is arranged on the side, away from the first mounting plate, of the first mounting plate, and a second focusing lens is mounted in the middle of the second mounting plate. The refraction plates making contact with laser beams can be switched, and therefore the problem that the refraction plates are possibly damaged due to the fact that a single refraction plate is used for refraction for a long time can be effectively solved; and the refraction plate is intermittently switched, so that long-term use of the refraction plate can be facilitated.
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