Vacuum heat collecting element with hot fin decompression air drying protector

Abstract

Disclosed is a vacuum heat accumulation component with a hot-fin pressure-reduction air-drying protector. The hot-fin pressure-reduction air-drying protector is arranged in a vacuum insulation layer between a cover glass tube of a full-glass vacuum heat accumulation tube and the tail end of an inner glass tube and comprises a plurality of controllable heat conduction channels, and each controllable heat conduction channel is composed of thermosensitive permanent-magnet steel, a soft-iron hot fin and a connecting snap spring. The vacuum heat conduction component is characterized in that fixed edges of the soft-iron hot fins are in low-thermal-resistance connection with the tail end of the inner glass tube or the heat bottom end of a heat tube. The thermosensitive permanent-magnet steel is disposed below movable edges of the soft-iron hot fins. When the thermosensitive permanent-magnet steel loses magnetism or not, the soft-iron hot fins can be attracted to bend downwardly by the thermosensitive permanent-magnet steel or raise upwardly under the action of self elasticity, and the movable edges of the soft-iron hot fins are in heat transfer connection with the cover glass tube or not. The small-power air-drying protector can guarantee pressure of the heat tube not to exceed 2 atmospheric pressures.

Description

technical field [0001] The invention relates to a vacuum heat collecting element with a heat fin decompression air drying protector. Background technique [0002] The vacuum heat collecting tube is provided with a vacuum heat insulation layer between its cover glass tube and the inner glass tube, which can manufacture a vacuum solar water heater that can also provide domestic hot water in winter. The solar water heater made of heat pipe vacuum heat collecting tube has the advantages of high energy efficiency ratio without water in the tube, conforms to the sanitary drinking water standard, and can work as usual if a single tube is damaged. therefore. The solar vacuum heat pipe water heater without water in the pipe will likely occupy more and more market share. [0003] The use of an integrated glass heat pipe has the advantages of being melted and sealed with the cover glass tube, the surface of the glass heat pipe can be directly made into an absorption film, less heat ...

AI Technical Summary

Problems solved by technology

Since this patent is not specifically aimed at the heat-collecting elements of gravity heat pipes, it is not very targeted; the bimetal sheet thermal energy conversion drive used in it is originally not consistent with the product, and has the ability to return to its original shape after repeated heat deformation It will be reduced again, and the operating point setting, control variable input, comparison, energy conversion and energy supply and execution functions related to the control system undertaken by it are far from being able to work normally and effectively due to the impact on the accuracy of the possible 20-year design of the heat collecting element. life

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