Underwater instrument with light window and underwater light window cleaning device

By using magnetic coupling transmission and a hydrophilic elastic brush design, the problems of sealing failure and poor cleaning effect of underwater light window cleaning devices in deep-sea environments have been solved, achieving efficient and stable light window cleaning and improving optical performance.

CN224272309UActive Publication Date: 2026-05-26崂山国家实验室
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Patent Information

Application Number
CN202520886379.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-07
Publication Date
2026-05-26
Estimated Expiration
2035-05-07

AI Technical Summary

Technical Problem

Existing underwater light window cleaning devices fail to seal in deep-sea environments and cannot operate reliably for extended periods. Furthermore, the existing brush structure is not suitable for cleaning microscopic dirt under high-pressure underwater conditions.

Method used

Employing a non-contact power transmission system with magnetic coupling and a hydrophilic elastic brush body, the power is transmitted through the attraction and repulsion forces of the inner and outer magnetic pole components. Combined with the inverted triangular elastic brush body and fluorosilicone material, the cleaning components achieve non-contact transmission and efficient cleaning.

Benefits of technology

Zero leakage of motor seals was achieved in deep-sea environments, improving the stability and cleaning effect of cleaning components, reducing the reduction of light transmission intensity and imaging blurring problems in the light window, and enhancing the measurement accuracy and sensitivity of optical sensors.

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Abstract

The utility model discloses an underwater instrument with a light window and an underwater light window cleaning device, the cleaning device comprises a driving motor, a transmission assembly and a cleaning assembly, the transmission assembly comprises an inner magnetic pole assembly and an outer magnetic pole assembly; the cleaning assembly is mounted on the outer magnetic pole assembly; the underwater light window cleaning device comprises a sealed cabin formed by a cabin body, an end cover and an isolation sleeve in a sealed mode, and the isolation sleeve is installed at one end of the cabin body. The driving motor is located in the cabin body, the inner magnetic pole assembly is located in the isolation sleeve, an output shaft of the driving motor is fixedly connected with the inner magnetic pole assembly, and the inner magnetic pole assembly is rotationally connected with the isolation sleeve; the outer magnetic pole assembly is rotationally connected with the isolation sleeve. The motor is packaged in the dry sealing cabin, non-contact transmission of output power of the motor is achieved by means of magnetic coupling, the influence of seawater pressure and media on an output power source is effectively isolated, zero leakage of the motor sealing cabin is achieved by means of static sealing, and high reliability and application stability are achieved.
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