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A terminal protection device and a DC distribution panel

A terminal block and protection device technology, which is applied in the field of electric power safety and can solve problems such as loosening of terminal blocks and interruption of communication in substations

Pending Publication Date: 2018-12-21
GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a terminal protection device and a DC power distribution panel, which solves the problem of mistakenly selecting the operating side when expanding the capacity of a communication DC power supply system in which two sets of high-frequency switching power supplies share a DC power distribution panel. The technical problem that the connection terminals of the substation are loosened leads to the interruption of the communication of the whole substation

Method used

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  • A terminal protection device and a DC distribution panel
  • A terminal protection device and a DC distribution panel
  • A terminal protection device and a DC distribution panel

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Embodiment Construction

[0028] In order to enable those skilled in the art to better understand the solutions of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are only It is a part of the embodiments of this application, but not all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

[0029] The embodiment of the application provides a terminal protection device, which solves the problem that when the communication DC power supply system in which two sets of high-frequency switching power supplies share a set of DC power distribution panels is expanded, the wiring terminals on the running side are likely to be loosened by mistake. , The technical problem ...

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Abstract

An embodiment of the invention discloses a terminal protection device, comprising a fixing frame, a protection door and a locking structure; One end of the fixing frame is fixedly installed on the power distribution panel, and the other end of the fixing frame is rotatably connected with the protection door; When the terminal is charged, the locking structure between the fixture and the protectiondoor forms a locking structure, and the protection door is in a closed state and is blocked on the surface of the terminal. The technical proposal of the present application solves the technical problem that when expanding the capacity of a communication DC power supply system in which two sets of high-frequency switching power supplies share a set of DC distribution panels, the terminal on the operation side is prone to be loosened by mistake, and the communication of the entire substation is completely interrupted. A DC power distribution panel is also disclosed in that embodiment of the present application.

Description

Technical field [0001] This application relates to the field of power safety technology, and in particular to a terminal protection device and a DC power distribution panel. Background technique [0002] Electric power dispatching agencies, 220kV and above power plants, substations and communication relay stations must all install a communication DC power supply system. The communication DC power supply system usually adopts a dual configuration, that is, two independent high-frequency switching power supplies are configured. Under normal circumstances, a high-frequency switching power supply will be equipped with a set of DC power distribution panels. However, in the case of limited room space, It may happen that two sets of high frequency switching power supplies share a set of DC power distribution panel, such as figure 1 As shown, figure 1 It is a front view of the existing dual power supply DC power distribution panel, the connecting terminal 101 of the first power supply an...

Claims

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Application Information

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IPC IPC(8): H02B1/14
CPCH02B1/14
Inventor 张珮明
Owner GUANGDONG POWER GRID CO LTD
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