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Terminal box

A terminal box and terminal technology, applied in the field of power system, can solve the problems of high skill requirements, prone to misconnection, protection failure, etc.

Active Publication Date: 2021-03-09
YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This application provides a terminal box to solve the problem that disconnection safety measures require extremely high skills of operators and are prone to misconnection, and the protection will fail if it is touched by mistake

Method used

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Embodiment Construction

[0027] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0028] From the description of the background technology, it can be seen that in the process of regular maintenance and overhaul of the terminal box in the prior art, the disconnection type safety measures are usually adopted to ensure the safety of personnel, that is, the disconnection of the wiring is carried out to realize power-off, protection and connection of test equipment, etc. , but this method requires extremely high skills for operators and is prone to misconnection. Once a misconnection causes the protection to fail, it may cause a safety accident.

[0029] Therefore, in order to solve the above problems, the application provides a terminal box, referring to figure 1 and figure 2 , the term...

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PUM

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Abstract

The embodiment of the invention discloses a terminal box. The terminal box comprises a box body, and terminal modules, relay protection modules and region modules which are arranged in the box body, wherein the number of the terminal modules, the number of the relay protection modules and the number of the area modules are all multiple, the terminal modules, the relay protection modules and the area modules are arranged in a one-to-one correspondence mode, the terminal modules are arranged between the relay protection modules and the area modules, and the area modules are loop sections with independent loops. By the adoption of the scheme, the regional modules are designed to form the independent loop sections so that independent safety measure operation can be conducted, safety measure operation can be conducted easily, and the possibility of wrong connection and wrong touch is reduced.

Description

technical field [0001] The present application relates to the technical field of power systems, and in particular to a terminal box. Background technique [0002] The terminal box is a kind of interface device for switching construction lines, marking branch lines, and providing convenience for wiring and checking lines. In some cases, in order to facilitate construction and debugging, short-circuit isolators can be installed in the terminal box. Due to the large number of lines in the terminal box and the general use environment is relatively complex, the terminal box needs regular operation, maintenance and inspection to ensure the safety of electricity use. [0003] During the regular maintenance and overhaul of the terminal box, it is necessary to ensure the safety of the operators. The traditional terminal box adopts disconnection safety measures for the operation, maintenance and inspection of the terminal box. However, the disconnection safety measures require extre...

Claims

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Application Information

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IPC IPC(8): H02G3/08H02G3/16H02B1/46H02H7/22G01K13/00G01K1/02
CPCH02G3/08H02G3/16H02B1/46H02H7/22G01K13/00G01K1/02
Inventor 李仕林许守东田博王昆林陈永青刘昊橙
Owner YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST