Low-noise laser scanning galvanometer

By designing a soundproof cover and a water-cooled heat dissipation structure on the laser scanning galvanometer, the problem of poor heat dissipation after noise reduction of the sealed cover was solved, achieving low-noise and high-precision laser processing effects.

CN224457145UActive Publication Date: 2026-07-03RAYLASE LASER TECH (SHENZHEN) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
RAYLASE LASER TECH (SHENZHEN) CO LTD
Filing Date
2025-07-03
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

In the existing technology, although the sealing cover can reduce noise, it hinders the heat dissipation of the laser scanning galvanometer, resulting in temperature drift error and affecting the processing accuracy and stability.

Method used

Design a soundproof cover comprising a main shell and a secondary shell, with sound insulation cotton installed on the inner side and a cooling structure set on the outer side of the main shell, using water cooling heat dissipation. By combining sound insulation and heat dissipation, noise is reduced and the heat dissipation stability of the galvanometer is maintained.

Benefits of technology

This approach achieves both noise reduction and stable heat dissipation of the laser scanning galvanometer, thereby improving processing accuracy and stability.

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Abstract

This utility model relates to the field of laser scanning galvanometer technology, and in particular to a low-noise laser scanning galvanometer, comprising: a galvanometer body and a soundproof cover installed on the outside of the galvanometer body; the soundproof cover includes a main shell and a secondary shell, which are inserted into each other and fastened with bolts; wherein, sound-insulating cotton is installed on the inner surfaces of both the main shell and the secondary shell, and cooling structures are provided on both sides of the main shell. This utility model adopts a design of installing sound-insulating surfaces on the inner surfaces of both the main shell and the secondary shell to achieve sound insulation protection for the entire galvanometer body, thereby achieving a low-noise effect when the galvanometer body is working. At the same time, this application also installs a cooling structure on the outside of the main shell, so while reducing noise, it can also effectively ensure the heat dissipation stability of the internal galvanometer body during operation.
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