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Temperature-sensing type change-over switch

A transfer switch, temperature-sensing technology, applied in the field of organic temperature-sensing transfer switches, can solve problems such as energy loss

Active Publication Date: 2016-06-15
XIAMEN SET ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the alarm circuit, it is not desirable that the circuit is normally closed, because it will consume too much energy

Method used

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  • Temperature-sensing type change-over switch
  • Temperature-sensing type change-over switch
  • Temperature-sensing type change-over switch

Examples

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Embodiment Construction

[0043] Such as figure 1 As shown, the temperature-sensitive changeover switch according to the present invention has a metal shell 1, and the metal shell 1 has a sealed first end 8 and an open second end 9, and the first lead wire 2 extends outward from the first end 8. out and electrically connected to it. In the cavity in the metal shell 1, the conductive spring 4, the organic temperature sensing body 5 and the insulating block 6 are sequentially loaded in the order from the first end 8 to the second end 9; the insulating block 6 can be any solid insulator , preferably porcelain beads. The insulating block 6 has a through hole, and the second lead wire (3) is installed in the through hole. In order to prevent the second lead 3 from protruding from the through hole during the assembly process, the radius of the third end 11 of the second lead 3 protruding from the insulating block 6 can be greater than the radius of the through hole of the insulating block 6, and the third ...

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Abstract

The invention aims to provide a temperature-sensing type change-over switch. The working principle of the temperature-sensing type change-over switch is opposite to that of a conventional organic matter type thermal fuse; when the circuit environment temperature is raised abnormally, the temperature-sensing type change-over switch performs actions to switch on the circuit; when the environment temperature is raised abnormally or a fire occurs, after the change-over switch is converted from a disconnected state into a switch-on state, the switch-on state of the change-over switch is not changed, so that the risk that an alarm or an indication is cancelled when fire is not extinguished actually can be avoided; the temperature-sensing type change-over switch is small in size which is only equivalent to the size of the conventional organic mater type thermal fuse; in addition, the temperature-sensing material adopts the organic matter type and has accurate fusing point, so that the circuit state can be switched in time when the environment temperature achieves the predetermined temperature rapidly.

Description

technical field [0001] The invention relates to a temperature-sensing switch, which is used to turn on the circuit to start alarms, indicator lights and other devices when the circuit has a high temperature. In particular, it relates to an organic temperature-sensing switch. Background technique [0002] Temperature-sensitive transfer switches are often used in fire alarms. When a fire occurs, the temperature rises rapidly, and the temperature-sensitive temperature switch is connected to the circuit when the temperature reaches its preset value, so that the alarm bell or indicator light of the alarm is activated, thereby reminding the firefighters to carry out fire-fighting operations. [0003] Chinese utility model patent CN204706128U provides a temperature alarm switch, which includes a temperature sensing element, a casing, an ejection part arranged in the casing, a permanent magnet assembly, and an inductance coil; wherein the temperature sensing element deforms as the t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H37/76
CPCH01H37/76
Inventor 许由生汪洋徐忠厚
Owner XIAMEN SET ELECTRONICS
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