Double-safe anti-reset temperature controller

A dual protection, thermostat technology, applied in electrical components, electrical switches, circuits, etc., can solve the problems of bimetal cooling, reset, repeated dry burning, damage to the thermostat, failure, etc., to achieve a simple structure and improve production efficiency. , the effect of convenient production

Pending Publication Date: 2018-07-24
佛山市顺德区汇控电器制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the above-mentioned existing problems, and provide a kind of anti-resetting thermostat with simple structure and reasonable double protection. Chip cooling and reset caused problems such as repeated dry burning

Method used

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  • Double-safe anti-reset temperature controller

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0028] Such as figure 1 As shown, a dual-protection anti-reset thermostat includes an insulating column 1 on which a first bimetal 2, an upper terminal 3, a static contact 4, a moving contact assembly 5 and a The lower terminal 6 connected to the moving contact piece assembly 5, one end of the moving contact piece assembly 5 is electrically connected to the static contact piece 4, and the other end of the moving contact piece assembly 5 is installed between the movable end of the first bimetal 2 Insulation adjustment device 7, the upper terminal 3 is electrically connected with a second bimetal 8, the movable end of the second bimetal 8 is equipped with an upper movable contact 9, and the upper movable contact 9 is electrically connected to the static contact 4. connection; under normal conditions, the thermostat is provided with a first bimetal 2 stru...

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PUM

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Abstract

A double-safe anti-reset temperature controller is provided. An upper binding post is electrically connected with a second bimetallic sheet. The movable end of the second bimetallic sheet is equippedwith an upper movable contact. The upper movable contact is electrically connected with a fixed contact piece. A mounting seat is disposed under a movable contact piece assembly, and is in threaded connection with an adjusting porcelain rod. One end of the adjusting porcelain rod is abutted against the movable contact piece assembly. The other end of the adjusting porcelain rod extends into a cavity in the mounting seat. A reset driving sleeve and an anti-reset slide block are installed in different directions and are elastically connected in the cavity. One end of the reset driving sleeve extends out of the mounting seat. One end of the anti-reset slide block extends out of the mounting seat and is provided with an anti-reset isolation block. The anti-reset isolation block insulates the upper movable contact from the fixed contact piece after the second bimetallic sheet is deformed at a high temperature. The reset drive sleeve pushes the anti-reset isolation block away from the uppermovable contact to be insulated from the fixed contact piece after the second bimetallic sheet is restored, thereby realizing resetting. Thus, repeated dry burning after the reset of the cooled secondbimetallic sheet due to long-time unprocessing can be prevented.

Description

technical field [0001] The invention relates to the field of thermostats, in particular to a dual-protection anti-reset thermostat. Background technique [0002] At present, thermostats are mostly used in electric heating appliances. When the temperature is sensed to be equal to or exceed the preset temperature, the bimetal will be deformed by heat and push the anti-dry switch action to disconnect the conductive line and realize the anti-dry function. However, today's thermostats are only equipped with a single bimetal anti-dry structure. When the thermostat with a single protective structure is damaged, the thermostat loses its protective effect on the electric heater, causing the entire electric heater to be damaged. Heater damage or even more serious safety accidents, and the bimetal sheet in the traditional thermostat has an automatic reset function. When the temperature of the bimetal sheet is lower than the preset value of the reset temperature, the deformation of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H37/52
CPCH01H37/521
Inventor 黄普添
Owner 佛山市顺德区汇控电器制造有限公司
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