A low-voltage electric heating structure that is easy to disassemble and discretely arranged

By designing an easily disassembled low-voltage electric heating structure and utilizing the automatic locking due to thermal expansion and contraction and the hexagonal nut structure, the problems of easy disassembly and low-voltage heating in the existing technology are solved, and the heating effect of high-temperature self-locking and variable power distribution is achieved, which is suitable for special application scenarios.

CN115696659BActive Publication Date: 2025-09-16NUCLEAR POWER INSTITUTE OF CHINA
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Patent Information

Application Number
CN202211365860.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-31
Publication Date
2025-09-16
Estimated Expiration
2042-10-31

AI Technical Summary

Technical Problem

The existing technology cannot simultaneously meet the requirements of easy disassembly and replacement, close contact, and low-voltage heating structure in special application environments, and cannot change the heating power distribution at any time as needed.

Method used

A low-voltage electric heating structure that is easy to disassemble and convenient for discrete arrangement is designed, including a multi-layer insulating heat-conducting layer and a transfer electrode structure in the heater shell. It uses thermal expansion and contraction to achieve automatic locking. Combined with a hexagonal nut and a cooling structure, it is suitable for 24V or lower voltage power supply and is suitable for special application scenarios.

Benefits of technology

It realizes self-locking at high temperature, increases heat exchange area, reduces burning risk, and has high safety. It is suitable for variable power distribution heating needs of metal bodies, non-metal bodies and fluid media.

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Abstract

The present invention discloses a low-voltage electric heating structure that is easy to disassemble and convenient for discrete arrangement, the heater shell has an open chamber, the interior of the chamber is tightly provided with an outer insulating heat-conducting layer, a negative heating core, a middle insulating heat-conducting layer, a positive heating core and an inner insulating layer that are coaxially arranged with the chamber; a head heating core is provided at the bottom of the chamber, and one end of the negative heating core and one end of the positive heating core are both connected to the head heating core; a negative transfer electrode and a positive transfer electrode are also provided at the opening of the chamber, one end of the negative transfer electrode is connected to the other end of the negative heating core, and one end of the positive transfer electrode is connected to the other end of the positive heating core; an insulating support cap is provided at the open end of the chamber, and one end of the heater shell is an embeddable section with a thread on the outside of the embeddable section; the electric heating structure can provide a heat source that is easy to arrange discretely for the heating needs of variable power distribution, is self-locking at high temperature, has a significantly larger heat exchange area than ordinary structures, and reduces the risk of burning; and is easy to disassemble and replace.
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