Drop fuse online fault monitoring sensor

A drop-out fuse and monitoring sensor technology, applied in the field of intelligent distribution network, can solve the problems of distribution network failure phase voltage reduction, burning motors, etc., and achieve the effect of reducing and avoiding electricity accidents

Pending Publication Date: 2016-12-14
山东卓尔电气有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] The drop-out fuse is used on the 10Kv high-voltage side of the distribution transformer and the branch line of the 10Kv distribution line as a protection device for overload and short-circuit of the distribution transformer and distribution line. When the faulty phase voltage of the power distribution network on the low-voltage side of the transformer drops, it is easy to cause electrical accidents such as burning the motor, and the electric power maintenance staff cannot rush to the scene to deal with it in time because they do not know

Method used

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  • Drop fuse online fault monitoring sensor

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Embodiment Construction

[0007] Below in conjunction with example the present invention is described in further detail.

[0008] Such as figure 1 As shown, the present invention provides a drop-out fuse online fault monitoring sensor, which includes a mercury switch, a power supply, and a wireless communication module. on the melting tube.

[0009] When the melting tube of the fuse falls, the mercury in the mercury switch turns over, and the mercury switch connects the circuit formed by the power supply and the wireless communication module, and the wireless communication module transmits the state information of the fuse to the monitoring terminal of the station area Then the terminal sends it to the mobile phone of the monitoring center and designated operation and maintenance personnel through GPRS or optical fiber.

[0010] The embodiments of the present invention are not limited by the above examples, and those of ordinary skill in the art should understand that any other modifications or equiv...

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Abstract

The invention relates to a drop fuse online fault monitoring sensor, which comprises a mercury switch, a power supply and a wireless communication module, wherein the mercury switch, the power supply and the wireless communication module are serially connected into a circuit; and the mercury switch is inversely arranged on a fusion tube of the drop fuse. When a drop phenomenon happens to the fusion tube of the fuse, mercury in the mercury switch turns over, the mercury switch switches on the circuit formed by the power supply and the wireless communication module, and the wireless communication module transmits the state information of the fuse to a zone area monitoring terminal.

Description

technical field [0001] The invention relates to an on-line fault monitoring sensor, in particular to an on-line fault monitoring sensor for a drop-out fuse, which belongs to the field of intelligent distribution networks. Background technique [0002] The drop-out fuse is used on the 10Kv high-voltage side of the distribution transformer and the branch line of the 10Kv distribution line as a protection device for overload and short-circuit of the distribution transformer and distribution line. When the faulty phase voltage of the distribution network on the low-voltage side of the transformer drops, power accidents such as burning the motor may occur, and the power maintenance staff cannot rush to the scene to deal with it in time because they do not know. Contents of the invention [0003] Aiming at the above problems, the present invention provides a dropout fuse online fault monitoring sensor with small size, low cost, simple configuration and capable of effectively mon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/07G08C17/02G01R31/74
CPCG08C17/02G01R31/74
Inventor 张振功吕方明
Owner 山东卓尔电气有限公司
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