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Line-switching junction box

A junction box and wire type technology, which is applied in the field of junction boxes, can solve problems such as potential safety hazards and increase the workload of operators, and achieve the effects of saving working time, fast and convenient switching process, and improving phase inversion efficiency

Inactive Publication Date: 2018-04-13
HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the reverse sequence fault is caused by improper installation, the phase reversal work must be carried out in the state of power failure, which not only increases the workload of the operators, but also brings certain safety hazards

Method used

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Examples

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] Such as figure 1 In the shown embodiment, a wire-exchanging junction box includes a box body 1, and the box body is provided with three power connection blocks arranged along the length direction of the box body, and each power connection block includes voltage wiring insulated from each other. Block 17 and current connection block 14, the voltage connection block is provided with mutually insulated voltage input terminal 16, voltage intermediate terminal 19, first voltage output terminal 2 and second voltage output terminal 3, wherein the voltage input terminal is positioned at the voltage connection block below , the first voltage output end and the second voltage output end are located above the voltage junction block. A first voltage connecting plate 18 electrically connected is provided between the voltage input end and the voltage...

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Abstract

The invention discloses a line-switching junction box, which comprises a box body, wherein the box body is internally provided with three power supply connecting blocks, each power supply connecting block comprises a voltage wiring block and a current wiring block, the voltage wiring block is provided with a voltage input terminal, a voltage intermediate terminal, a first voltage output terminal,a second voltage output terminal, a first voltage connecting plate and a second voltage connecting plate, the current wiring block is provided with a first current input terminal, a second current input terminal, a current intermediate terminal, a first current output terminal, a second current output terminal, a third current output terminal, a fourth current output terminal, a first current connecting plate, a second current connecting plate, a third current connecting plate and a fourth current connecting plate, and a phase sequence switching connecting lines are arranged between one of thepower supply connecting blocks and another power supply connecting block. The invention aims to provide a line-switching junction box capable of achieving reverse sequence phase inversion without interrupting the power.

Description

technical field [0001] The invention belongs to the field of junction boxes, in particular to a wire-changing junction box. Background technique [0002] At present, the junction box in the prior art can only realize the function of replacing the metering device with electricity, such as the Chinese patent announcement number: CN105891566A, which discloses a three-phase four-wire combined junction box, which belongs to the field of electric power, including voltage terminal board and current connection There are three voltage terminal boards and two current terminal boards in the three-phase four-wire joint junction box, each voltage terminal board is provided with two-channel terminal boards, and each current terminal board is provided with four-channel terminal boards. Each channel in the two-channel terminal block is provided with a voltage connecting plate, and in the four-channel terminal block, three adjustable current connecting plates are provided. When the reverse ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R29/00
CPCH01R29/00
Inventor 潘康钟鼎凼项镭张福杰黄炜
Owner HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD
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