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Miniature quick-acting type temperature controller

A temperature controller, quick-action technology, applied in the direction of thermal switch components, etc., can solve the problems of high welding requirements, large temperature dispersion, increased process difficulties and manufacturing costs, etc., to reduce product costs and achieve high yields , The effect of small internal resistance of the product

Inactive Publication Date: 2015-10-21
YANGZHOU BAOZHU ELECTRIC APPLIANCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Similar products on the market use bimetal overcurrent to achieve the effect of enhancing the sensitivity of current induction, which will inevitably increase the process difficulties and manufacturing costs, such as large temperature dispersion after welding the contacts of the bimetal sheet, high welding requirements, The internal resistance of the product is unstable

Method used

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Embodiment Construction

[0017] Such as figure 1 , 2 , 3, the present invention includes a housing 1 with an opening at the right end, chamfering is provided on both sides of the upper end surface of the housing 1, a metal bottom plate 2 is arranged inside the housing 1, and a base 3 and a static Contact 4, the middle part of the base 3 is provided with a boss, the end of the base 3 away from the static contact 4 is provided with a contact piece 5, and the base 3 directly below the contact piece 5 is provided with a through hole 6 as an electrode hole for welding , The metal bottom plate 2 is provided with a tapered hole 7 with a small upper opening and a large bottom opening, and the lower end of the base 3 is fitted into the tapered hole 7 of the metal bottom plate 2 .

[0018] The housing above the base 3 is provided with a spring sheet 9 and a bimetal sheet 8, the spring sheet 9 is stacked on the bimetal sheet 8, and one end of the spring sheet 9 and the bimetal sheet 8 is welded on the contact s...

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Abstract

A miniature quick-acting type temperature controller relates to the field of electrical apparatus elements, and comprises a shell body with an opening formed in one end, wherein a metal base plate is arranged inside the shell body, a pedestal and a static contact are arranged on the metal base plate, one end, far away from the static contact, of the pedestal is provided with a contact strip, a spring strip and a bimetallic strip are arranged in the shell body above the pedestal, the spring strip is stacked on the bimetallic strip, one end of each of the spring strip and the bimetallic strip is welded on the contact strip, the middle part of each of the spring strip and the bimetallic strip is supported on the pedestal, and the other end of the spring strip is provided with a moving contact matched with the static contact. The miniature quick-acting type temperature controller has the beneficial effects that: 1, the contact strip and the metal base plate are integrally combined through the pedestal which is formed by injection molding; 2, and the structure is simple and easy to implement, the free bimetallic strip technology is adopted, the temperature forming of the bimetallic strip is no longer affected by welding, the temperature forming yield is high, the product cost is reduced, the product internal resistance is less than that of similar products, the miniature quick-acting type temperature controller is more stable.

Description

technical field [0001] The invention relates to the field of electrical components, in particular to a miniature snap-action temperature controller. Background technique [0002] The micro snap-action temperature controller is widely used in the temperature control and protection of battery protection boards, integrated circuits and micro motors. The control and protection function is a temperature sensor controller that integrates temperature signal sensing and execution protection. [0003] Similar products on the market use bimetal overcurrent to achieve the effect of enhancing the sensitivity of current induction, which will inevitably increase the process difficulties and manufacturing costs, such as large temperature dispersion after welding the contacts of the bimetal sheet, high welding requirements, The internal resistance of the product is unstable. Contents of the invention [0004] The object of the present invention is to provide a miniature snap-action ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H37/52H01H37/12
CPCH01H37/52H01H37/12
Inventor 李健伟王伟黄晓飞范茂勇朱宣波
Owner YANGZHOU BAOZHU ELECTRIC APPLIANCE CO LTD
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