Light source system of integrated closed heat dissipation structure and heat dissipation method

Through the circulating heat dissipation structure within the fully enclosed sealed shell, the coordinated work of semiconductor refrigeration plates and circulating fans, combined with the hydrogen medium and air guide ring design, the safety hazards and low heat dissipation efficiency of the ultraviolet phototherapy device light source system are solved, and efficient and stable light source temperature control and equipment reliability are achieved.

CN120617831APending Publication Date: 2025-09-12JIANGSU SIGMA MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202510755455.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-06
Publication Date
2025-09-12

AI Technical Summary

Technical Problem

The light source system of existing ultraviolet phototherapy devices has safety hazards, gas leakage and low heat dissipation efficiency when running for a long time. In particular, the open air-cooled heat dissipation solution is prone to external liquid/dust intrusion and ozone leakage, and the closed structure makes it difficult to balance heat dissipation efficiency and sealing requirements, affecting the life and safety of the equipment.

Method used

It adopts a fully enclosed sealed shell internal circulation heat dissipation structure, uses semiconductor cooling fins and circulation fans to form an internal circulation channel, combines hydrogen medium and air guide ring design to achieve internal air circulation and external heat exchange, and ensures that heat is quickly and evenly extracted through the coordinated work of semiconductor cooling fins and external heat dissipation devices.

Benefits of technology

It effectively prevents the intrusion of external pollutants and the leakage of harmful gases, significantly improves heat dissipation efficiency and system stability, extends the life of the light source, ensures the reliable operation of the equipment in complex environments, and provides more stable light output quality and long-term maintenance-free guarantee.

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Abstract

The invention relates to a light source system of an integrated closed heat dissipation structure. The light source system is mainly applied to equipment such as an ultraviolet phototherapy instrument. Aiming at the contradiction between potential safety hazards (liquid / dust invasion and ozone leakage) and heat dissipation efficiency in the existing open type air cooling heat dissipation scheme, the system innovatively adopts a totally-closed structure: a closed space for isolating the outside is formed by a sealed shell, and an internal circulation heat dissipation unit consisting of a heat conducting plate, a semiconductor chilling plate cold end and a double-circulation fan is arranged in the closed space. After cold air absorbs heat through the light source module, heat exchange is completed in a cold source fin air channel, and internal efficient circulation heat dissipation is achieved. And meanwhile, heat is led out through the hot end of the semiconductor chilling plate and an external cooling fan. The system has the advantages of airtight protection and active heat dissipation, external pollutants are effectively isolated, ozone leakage is prevented, the heat dissipation efficiency is improved through the multi-stage heat conduction design, the service life of a light source is prolonged, and the problem of contradiction between protection and heat dissipation in a traditional scheme is solved.
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