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Low-resistance bimetallic temperature controller

A bimetallic and thermostat technology, applied in the direction of heating/cooling contact switches, thermal switch components, etc., can solve the problems of unstable contact, easy change of resistance value, and unstable resistance, etc., to avoid unstable resistance Stability, avoid contact instability, and facilitate the effect of soldering contacts

Pending Publication Date: 2020-04-10
太平洋电子(昆山)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The high-current bimetallic thermostats currently used in the market have large contact resistance, are unstable, and the resistance value is prone to change; and the production process is complicated, and the contact riveting process is manually operated, and the speed is slow; figure 1 and figure 2 As shown, the contacts on the metal shrapnel components are riveted, and the riveting state is not easy to control. There is a gap between the contact and the substrate in the riveting process, resulting in unstable contact and resistance; Printing, affect contact, and the cost is higher

Method used

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Embodiment

[0026] In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by "upper", "lower", "top", "bottom", "inner" and "outer" are all based on what is shown in the accompanying drawings. Orientation or positional relationship, the purpose is only to facilitate the description of the present invention and simplify the description, and does not indicate or imply that the referred components must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention.

[0027] Such as image 3 with Figure 4 As shown, a low-resistance bimetal thermostat includes: a housing 1, an end cover 2, a base 3 and a metal shrapnel assembly, the housing 1 covers one end of the base 3, and the end cover 2 covers the other end of the base 3 one end. The metal shrapnel assembly includes a static piece 4 and a shrapnel 6, one end of the stat...

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Abstract

The invention discloses a low-resistance bimetal temperature controller. The low-resistance bimetal temperature controller comprises a shell, an end cover, a base and a metal elastic sheet assembly, the shell covers one end of the base, the end cover covers the other end of the base, the metal elastic piece assembly comprises a static piece and an elastic piece, one end of the static piece is provided with a static piece contact, the other end of the static piece is fixed to the bottom of the base, one end of the elastic piece is provided with an elastic piece contact, the other end of the elastic piece is fixed to the bottom of the base, an ejector rod is fixed to the base, and the ejector rod abuts against a disc in the vertical direction at one end and abuts against the elastic piece atthe other end. The elastic sheet and the elastic sheet contact are fixed through welding, and the static sheet and the static sheet contact are fixed through welding. According to the invention, unstable contact and unstable resistance caused by riveting are avoided, the contact structure is simplified, and the cost is low; and the contact adopts a three-layer composite structure, so that the weldability is effectively improved, and the welding on substrates of the static sheet and the elastic sheet is facilitated.

Description

technical field [0001] The invention belongs to the field of temperature controllers, in particular to a low-resistance bimetal temperature controller. Background technique [0002] The thermostat refers to a series of automatic control elements that physically deform inside the switch according to the temperature change of the working environment, thereby producing some special effects and generating conduction or disconnection actions. Among them, the bimetal thermostat is a sudden jump thermostat. Its principle is to use the fixed temperature bimetal as a heat-sensitive reaction component. When the temperature of the main part of the product rises, the heat generated is transferred to the bimetal circle. On the chip, when the action temperature setting is reached, it will act quickly, and the contact will be disconnected or closed through the action of the mechanism; when the temperature drops to the reset temperature setting, the bimetal sheet will quickly return to its ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H37/64H01H37/72
CPCH01H37/64H01H37/72
Inventor 庄士春
Owner 太平洋电子(昆山)有限公司
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