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Six-layered structure all-ceramic electric heater

A technology of electric heating body and layer structure, applied in the direction of electric heating devices, ohmic resistance heating, electrical components, etc., can solve the problems of many processing procedures, poor anti-seismic ability, small distance, etc., and achieve reduced production procedures, high anti-seismic strength and fast speed Effect

Active Publication Date: 2009-06-03
CHONGQING LE MARK CERAMIC TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0002] The prior art ceramic electric heater has the advantage of high heating temperature; its disadvantage is that the outer conductive layer has no protective layer, the shock resistance is poor, and the distance between the outer conductive layer and the inner conductive layer at the bottom is small, and it is easy to connect by mistake. More processing steps

Method used

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  • Six-layered structure all-ceramic electric heater

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specific Embodiment approach

[0008] The specific implementation is as follows: the inner conductive layer 1 is located at the center of the electric heating body, and the central electrode jack 8 is located at the center of the inner conductive layer 1; The lower section is wrapped outside the inner conductive layer 1; the inner insulating layer 3 is divided into three sections, the diameter of the middle section is larger than that of the upper section, the diameter of the lower section is larger than that of the middle section, the upper section is wrapped outside the upper section of the inner resistance layer 2, and the middle section and the lower section are wrapped in the inner resistance layer. 2 outside the lower section; the outer resistance layer 4 is divided into two sections, the upper section is wrapped outside the upper section of the inner insulating layer 3, the lower section is wrapped outside the middle section of the inner insulating layer 3, and the diameter of the lower section is smal...

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Abstract

The invention comprises an internal conducting layer, an internal resistance layer, an internal insulation layer, an external resistance layer, and an external conducting layer and an external insulation layer. The internal conducting layer sits in the center of the electric heating element; the internal resistance layer covers the internal conducting layer; the internal insulation layer covers the internal resistance layer; the external resistance layer covers the internal insulation layer; there is a through hole on the top of the internal insulation layer; the internal resistance layer is connected to the internal resistance layer by using the trough hole; the external conducting layer covers lower portion of the external resistance layer; the external insulation layer covers the external conducting layer; the material of each layer is made of ceramic material capable of containing silicon nitride and molybdenum disilicide.

Description

technical field [0001] The utility model belongs to the technical field of electric heating bodies characterized by ceramics. Background technique [0002] The prior art ceramic electric heater has the advantage of high heating temperature; its disadvantage is that the outer conductive layer has no protective layer, the shock resistance is poor, and the distance between the outer conductive layer and the inner conductive layer at the bottom is small, and it is easy to connect by mistake. There are many processing procedures. Contents of the invention [0003] The technical problem to be solved is to provide a six-layer structure all-ceramic electric heating body with an outer insulating layer and strong shock resistance. [0004] The technical solution to solve its technical problems is as follows: a six-layer structure all-ceramic electric heating body, including an inner conductive layer, an inner resistance layer, an inner insulating layer, an outer resistance layer, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B3/28H05B3/18B32B5/00
Inventor 雷彼得
Owner CHONGQING LE MARK CERAMIC TECH CO LTD
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