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Special quick connecting device and method for low-voltage parallel power supplies

A fast connection and low-voltage cable technology, which is applied in the connection/disconnection of connection devices, parts of connection devices, conductive connections, etc., can solve problems affecting customer experience in using electricity and cumbersome connection process, so as to ensure connection strength and stability The effect of preventing the instability of the screw joint and ensuring the stability

Pending Publication Date: 2022-02-18
STATE GRID HENAN ELECTRIC POWER COMPANY ZHENGZHOU POWER SUPPLY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: in the operation of replacing the distribution transformer without power failure, the connection process between the 0.4kV low-voltage cable and the low-voltage busbar is cumbersome, and two short-term power outages are caused, which seriously affects the customer's electricity experience.

Method used

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  • Special quick connecting device and method for low-voltage parallel power supplies
  • Special quick connecting device and method for low-voltage parallel power supplies
  • Special quick connecting device and method for low-voltage parallel power supplies

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Such as Figure 1-Figure 4 As shown, a special quick connection device for low-voltage parallel power supply, including a chuck 12, a connecting wire 10 and an operating handle 8, two chucks 12, and the connecting heads fixedly arranged at both ends of the connecting wire 10 through the operating handle 8 and respectively 9. Detachable connection, wherein, the connecting wire 10 and the connector 9 are crimped, and the connecting wire 10 is a flexible cable, and the crimping realizes the quick connection of the two, ensuring the connection strength and stability, and the flexible cable is convenient for bending and changing operations Orientation to accommodate connections in different locations.

[0038] One end of the chuck 12 is provided with a card slot 2, and the card slot 2 is set to the same shape as the low-voltage busbar and the low-voltage wire, so as to facilitate the clamping of the chuck 12, and the other end of the chuck 12 is provided with a connector 9 e...

Embodiment 2

[0045] Such as Figure 1-Figure 4 As shown, this embodiment is obtained by adding the technical features such as the insulating cover 1 on the basis of the first embodiment, and the rest of the technical features are the same as the first embodiment, and the similarities will not be repeated here, wherein the detailed description of the technical features is added It is: the chuck 12 on the top of the slot 2 is provided with an insulating cover 1, which is connected by bonding to ensure the insulation between the equipment and prevent accidents caused by too close a distance due to the setting of the chuck 12.

Embodiment 3

[0047] Such as Figure 1-Figure 4 As shown, this embodiment is obtained on the basis of embodiment two by adding technical features such as clamping head fixing groove fastening bolt 6, and other technical features are the same as embodiment two, and the similarities will not be repeated here. The detailed description of the technical features is as follows: the outer insulating layer 7 is fixed on the chuck fixing groove 5 through the fixing bolt 6 of the chuck fixing groove, so that the detachable operation of the outer bonding layer and the operating handle 8 can be realized. Insulation layer 7 is replaced.

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Abstract

The invention discloses a special quick connecting device for low-voltage parallel power supplies, which comprises two chucks, a connecting line and operating handles. The chucks are detachably connected with connectors fixedly arranged at the two ends of the connecting line through the operating handles respectively; clamping grooves are formed in one ends of the clamping heads, and connector fixing grooves for embedding the connectors and fixing devices for fixing the connectors in the connector fixing grooves are arranged at the other ends of the clamping heads; and the operating handle is of a circular-tube-shaped structure, the outer side of the operating handle is wrapped with an outer insulating layer, and one end of the operating handle is fixedly provided with a clamping head fixing groove allowing the other end of the clamping head to be screwed in. According to the invention, rapid connection between the clamping heads and the low-voltage cable and between the clamping heads and the low-voltage busbar is realized through the operating handle, and meanwhile, the clamping heads and the connecting line are detachably connected, so that replacement of the clamping head and the connecting line is facilitated, connection of different devices and arrangement of an outer insulating layer are realized, insulativity of the operating handle is ensured, and safe operation of operators is realized.

Description

Technical field: [0001] The invention relates to the field of power supply and transformation maintenance, in particular to a special fast connection device and connection method for low-voltage parallel power supplies. Background technique: [0002] Under the background of canceling the planned power outage, the operation project of using the mobile box to change the vehicle to replace the distribution transformer with load will be widely carried out. However, in the operation of using the existing equipment to replace the distribution transformer without power failure, the 0.4kV cable can only pass through The bolts connect the copper nose to the low-voltage busbar. Due to the lack of 0.4kV cable quick connectors, the process of connecting the 0.4kV low-voltage cable to the busbar of the low-voltage power distribution cabinet is cumbersome. During the operation, the equipment is live and there are many risk points. Moreover, during operation, during the connection and remo...

Claims

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Application Information

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IPC IPC(8): H01R13/02H01R13/40H01R13/44H01R13/621H01R13/627H01R13/639H01R27/00H01R31/06H01R4/18H01R43/00H01R43/26
CPCH01R13/02H01R31/06H01R27/00H01R13/44H01R13/40H01R13/621H01R13/639H01R13/627H01R4/183H01R43/00H01R43/26
Inventor 张洋王云龙郝涛赵建窦孝祥孟璐李云霄王茂州王培丹赵双峰张沛张志锋陈方王辉梁政璇李毅博张磊
Owner STATE GRID HENAN ELECTRIC POWER COMPANY ZHENGZHOU POWER SUPPLY