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Selectable dual-power change-over switch with overload alarm non-tripping function

A technology of dual power conversion and switching switches, which is applied in the direction of electric switches, emergency power arrangements, circuits, etc., can solve problems such as tripping and power failure, and achieve the effect of improving assembly efficiency and reducing assembly accuracy

Pending Publication Date: 2021-06-29
ZHEJIANG PEOPLE ELE APPLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the dual power transfer switch in the prior art will trip and cut off the power when it is overloaded, so as to provide a dual power transfer switch that can alarm and cut off the power when it is overloaded.

Method used

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  • Selectable dual-power change-over switch with overload alarm non-tripping function
  • Selectable dual-power change-over switch with overload alarm non-tripping function
  • Selectable dual-power change-over switch with overload alarm non-tripping function

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Embodiment

[0041] This embodiment provides an optional dual power switch with overload alarm non-tripping function, such as Figure 1-5As shown, it includes a switch body 1, a thermal action part 2, an alarm component, and a control component.

[0042] The thermal actuation part 2 is arranged in the switch body 1, and when the thermal actuation part 2 is overloaded, it can trigger an alarm component to send an alarm signal. The thermal action part 2 is a heat-sensitive element. In this embodiment, the heat-sensitive element is a bimetallic sheet, such as figure 2 with 3 As shown, one end of the bimetal is connected to the current-carrying part in the switch body 1, and the other end is provided with a driving part that triggers the action of the alarm assembly, and the driving part is connected to the end of the bimetal. Adjusting screw 3 for threaded hole threaded connection.

[0043] alarm components such as Figure 5 As shown, it includes a buzzer 4 and a first switch 5, the firs...

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Abstract

The invention provides a selectable dual-power change-over switch with an overload alarm non-tripping function, and the change-over switch comprises a switch body which is provided with an alarm assembly; and a thermal action piece which is arranged in the switch body and can trigger the alarm assembly to send out an alarm signal when the thermal action piece is overloaded, so that a worker is timely notified to quickly troubleshoot, and overload alarm without power failure is realized.

Description

technical field [0001] The invention relates to the technical field of dual power supplies, in particular to a dual power supply transfer switch with an optional overload alarm non-tripping function. Background technique [0002] The dual power switch is used to continuously supply the power supply. When the common power supply suddenly fails or loses power, the dual power switch can be switched to the backup power supply through manual or automatic operation, so that the electrical equipment can still operate normally. [0003] The existing dual power supply switch will cut off power when overload occurs. However, for some important places that require continuous power supply, such as firefighting, hospitals, data management centers, etc., it is required to maintain power supply even if overload occurs. Therefore, need badly to invent a kind of dual power switch that can report to the police and uninterrupted power supply when overload. [0004] In addition, the existing c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H9/16H02J9/06
CPCH01H9/16H02J9/06
Inventor 翟连钢陈彦明胡陈键潘锦强朱志荣章仕斌
Owner ZHEJIANG PEOPLE ELE APPLIANCE
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