Arc light protection device

A protection device and arc light technology, applied in emergency protection circuit devices, electrical components, and testing dielectric strength, etc., can solve the problems that self-inspection and arc light detection cannot be carried out at the same time, and it is impossible to monitor the optical path in real time, so as to achieve high reliability , the effect of improving stability

Active Publication Date: 2018-06-01
重庆市正清药品包装有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

This solution is active in the self-inspection of the optical path, and it is impossible to monitor the optical path in real time. In addition, the self-inspection and arc detection cannot be carried out at the same time.

Method used

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  • Arc light protection device

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Embodiment Construction

[0021] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0022] Such as figure 1 As shown, the protection device of this embodiment includes an arc probe, an optical fiber 2, and a control terminal 3. The optical fiber 2 is connected to the arc probe and the control terminal 3 through a connector 21 and a connector 22, respectively.

[0023] The arc light probe can be the probe of the traditional arc light protection system. A lens, ultraviolet transparent fi...

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Abstract

The invention discloses an arc light protection device which comprises an arc light probe which is used for collecting arc light generated during short circuit discharge of a bus joint and further exciting the arc light to be fluorescence for outputting, or used for detecting visible light generated by ambient light leakage and outputting the visible light; an optical fiber which is connected withthe arc light probe through a connector and is used for transmitting the fluorescence or visible light output by the arc light probe, and a control terminal which is communicated with the optical fiber through the connector, and the fluorescent light and / or the visible light transmitted by the optical fiber is input into the control terminal, When the control terminal identifies that fluorescentlight and / or the visible light is caused by short circuit discharge of the bus joint or by ambient light leakage, a power supply protection bus is cut off or an alarm signal of a protection system fault is sent respectively. The device provided by the invention has all functions of a traditional arc light protection system, and all advantages of a traditional device are maintained. The stability of the arc light protection device is improved, so that the arc light protection device is more suitable for a power system.

Description

Technical field [0001] The invention belongs to the technical field of arc protection systems, and specifically relates to an arc protection device. Background technique [0002] The intelligent arc protection system is based on the principle of arc discharge after a short circuit in the switchgear. The arc probe connected to the optical fiber is installed at the busbar connector. Once a short occurs, the probe senses the arc discharge and transmits the corresponding optical signal through the optical fiber. Passed to the control end, the system can cut off the power as soon as a few milliseconds after the busbar is short-circuited, thus ensuring personnel safety and reducing equipment losses. In addition to the fast response speed, the optical probe and the control end of the arc protection system are connected by insulated optical fibers. The strong electromagnetic interference when the busbar is short-circuited is difficult to affect the control end of the protection system, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/22G01R31/12
CPCG01R31/1218H02H7/22
Inventor 不公告发明人
Owner 重庆市正清药品包装有限公司
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