Heat pipe vacuum sealing method and apparatus thereof

A vacuum sealing and vacuum sealing technology, which is applied in the direction of hollow objects, indirect heat exchangers, heat exchange equipment, etc., can solve the problems of unguaranteed heat pipe packaging quality, waste of materials in the packaging form, and influence on the use of heat pipes, and achieve simple structure and improved efficiency. Improvement in productivity and packaging quality
CN1737484AInactive Publication Date: 2006-02-22林项武
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
林项武
Publication Date
2006-02-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

This invention relates to a heat pipe vacuum sealing method and device, characterized in that it uses heat transfer agent heat exchanging equipment to seal. The sealing method comprises the following steps: a) preparing the sealing hole in the heat pipe to be sealed; b) evacuating and charging pump in vacuum chamber; c) welding the sealing to the prepared sealing hole by the friction welding or ultrasonic welding, forming sealing welding. The sealing device comprises vacuum generating system, a heat pipe to be sealed, an orientation fasten system and a prefilling system, wherein the heat pipe and the orientation fasten system are set in the vacuum chamber, after evacuating and prefilling, the fasten system will grasp the sealing block to the sealing hole to weld.
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Description

technical field

[0001] The invention relates to a heat pipe vacuum sealing method and device, in particular to a sealing method and device using intermediate heat transfer medium heat exchange equipment. Background technique

[0002] "Heat Pipe Technology and Its Engineering Application" (ISBN 7-5025-2752-4 / TQ.1212) describes several commonly used heat pipe vacuum sealing methods and devices. The method is to vacuumize the reserved seal of the heat pipe to be packaged through the capillary, inject the working medium after reaching the vacuum degree required by the process, and immediately flatten the capillary to seal, and then weld. The heat generated during the welding process can easily make the working medium exceed its working temperature, produce non-condensable gas, and even make the heat pipe scrapped. The productivity is low, and the quality of heat pipe packaging cannot be guaranteed. At the same time, the packaging form of its end not only wastes materials, but a...

Claims

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