Photomultiplier tube device

By combining an electromagnetic shielding tube and a cooling module in a photomultiplier tube, the problem of poor cooling efficiency of the photomultiplier tube is solved, thereby improving stability and detection accuracy, while also optimizing the structure and portability.

CN224164217UActive Publication Date: 2026-04-24SHENZHEN YUANFANG PRECISION TESTING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521138152.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-05
Publication Date
2026-04-24
Estimated Expiration
2035-06-05

AI Technical Summary

Technical Problem

Existing photomultiplier tubes have poor cooling efficiency, which affects their performance, and their complex structure results in high processing costs.

Method used

An electromagnetic shielding tube design is adopted, in which a photomultiplier tube is placed. The cooling module is tightly attached to the electromagnetic shielding tube through an opening in the insulation layer. Combined with a semiconductor cooling chip and a heat sink, an efficient cooling and heat dissipation mechanism is constructed. Temperature control is optimized using a temperature sensor and a control unit.

Benefits of technology

It improves the working stability and accuracy of photomultiplier tubes, optimizes the system structure, reduces the size of the equipment, adapts to different environments, and achieves stable temperature control and efficient cooling.

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Abstract

The utility model provides a photomultiplier tube device, which solves the problems that the existing photomultiplier tube is poor in cooling efficiency and affects the working performance of the photomultiplier tube, and comprises a thermal insulation layer and a refrigeration module, an electromagnetic shielding tube is arranged in the thermal insulation layer, and the photomultiplier tube is inserted on a tube seat and arranged in the electromagnetic shielding tube; the heat preservation layer is further provided with an opening, and the end, away from the pipe base, of the electromagnetic shielding pipe is attached to the refrigeration module through the opening of the heat preservation layer. Through the opening design of the heat preservation layer, the refrigeration module is directly and tightly attached to the electromagnetic shielding pipe, the size of the opening of the heat preservation layer is matched with the attaching size of the refrigeration module and the electromagnetic shielding pipe, direct and efficient heat transfer is achieved, meanwhile, temperature control over the environment where the photomultiplier is located is achieved, and it is guaranteed that the working temperature is stable; therefore, the detection result of the photomultiplier is accurate and reliable.
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