CN219554122U

CN219554122U - Special quick assembly disassembly formula jumper cable of 400V power supply point

Info

Publication number: CN219554122U
Application number: CN202321141886.2U
Authority: CN
Inventors: 刘仁杰; 杨运
Original assignee: Jiangchuan Jinsha Hydropower Development Co ltd
Current assignee: Jiangchuan Jinsha Hydropower Development Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-08-18
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a special quick-disassembly bridging cable for a 400V power supply point, which comprises a bridging cable, a plurality of male quick-assembly plugs and a plurality of female quick-assembly sockets, wherein the number of the male quick-assembly plugs and the female quick-assembly sockets is equal to that of the bridging cable, and two ends of each phase of the bridging cable are respectively connected with the male quick-assembly plugs and the female quick-assembly sockets; the switch which needs to be connected with the jumper cable and the feeder cable end are connected with a male quick-assembly plug or a female quick-assembly socket which can be plugged with the jumper cable end. The utility model has simple structure, convenient use and strong flexibility, can be matched with corresponding quick-mounting connectors according to the size of the load, realizes the quick bridging of the load, and can greatly improve the bridging work efficiency.

Description

Special quick assembly disassembly formula jumper cable of 400V power supply point

Technical Field

The utility model relates to a 400V power supply point jumper cable of a power distribution system, in particular to a 400V power supply point jumper cable capable of being quickly assembled and disassembled.

Background

The power distribution system 400V power supply point usually adopts a double-bus sectional operation mode, when one section of power supply point is subjected to power failure maintenance, certain important loads usually need to be connected to the other section of bus for power supply, and a jumper cable is used for the jumper. The conventional jumper cable both ends fixed connection nose is connected with the wiring end of power supply point through the connection nose of jumper cable one end, and connection nose and power supply point wiring end mainly adopt bolted connection. The wiring nose and the wiring terminal of power supply point are required to be customized according to the size of the field device, and load bridging and recovery bridging are completed in a bolt dismounting mode, so that a great deal of manpower, material resources and time are consumed in the mode, and the efficiency is low.

Disclosure of Invention

The utility model overcomes the defects of the prior art, and provides an implementation mode of a special quick-disassembly bridging cable for a 400V power supply point, so as to be expected to solve the problems of low load bridging and recovery bridging efficiency of the bridging cable for the 400V power supply point of the current power distribution system.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a special quick assembly disassembly formula jumper cable of 400V power supply point, includes jumper cable, a plurality of public fast-assembling plug, a plurality of female fast-assembling socket, public fast-assembling plug, female fast-assembling socket quantity all equal with the phase number of jumper cable, the both ends of each phase of jumper cable connect public fast-assembling plug, female fast-assembling socket respectively; the switch which needs to be connected with the jumper cable and the feeder cable end are connected with a male quick-assembly plug or a female quick-assembly socket which can be plugged with the jumper cable end.

The special quick-disassembly bridging cable for the 400V power supply point is characterized in that all male quick-assembly plugs connected by the bridging cable are at the same end, and all female quick-assembly sockets are at the other end.

The switch of the jumper cable comprises a standby switch and a load switch, each switch is provided with a plurality of binding posts, each phase of binding post is permanently fixed with a binding nose, one end of each binding nose is connected with a cable, and the other end of the cable is connected with a female quick-mounting socket or a public mounting connector.

The special quick-disassembly jumper cable for the 400V power supply point is characterized in that a female quick-assembly socket and a public connector are fixed by a clamping seat with threads.

The standby switch, the load switch and the jumper cable are three-phase, four-phase or five-phase.

The special quick-disassembly jumper cable for the 400V power supply point is characterized in that a standby switch and a load switch of the jumper cable are connected with a female quick-assembly socket, and the end part of the feeder cable is connected with a male quick-assembly plug.

Compared with the prior art, the utility model has at least the following beneficial effects:

the utility model relates to a special quick-disassembly bridging cable for a 400V power supply point, which has the advantages of simple structure, convenient use and strong flexibility, can be matched with corresponding quick-assembly connectors according to the size of a load, realizes quick bridging of the load, and can greatly improve the bridging work efficiency. The utility model adopts the totally enclosed insulating joint, and after bridging is completed, no exposed conductor exists, so that the risk of personnel electric shock and cable short circuit caused by the exposed joint after conventional bolt connection is avoided.

Drawings

FIG. 1 is a block diagram of a quick disconnect jumper cable of the present utility model.

Fig. 2 is a diagram of the quick detachable feeder cable of the present utility model.

In the figure, each number represents a name: 1. a standby switch; 2. a load switch; 3. a jumper cable; 4. a feeder cable; 5. a male quick-mounting plug; 6. a female quick-mounting socket; 7. binding posts; 8. a wire connection nose; 9. and (3) a cable.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides a special quick-disassembly jumper cable for a 400V power supply point. Conventional cable joints (including jumper cable joints and feeder cable joints) and 400V switch terminals (including standby switches and load switches) are modified into quick joints, the quick joints and cables are selected according to the size of loads, the quick joints adopt industrial plugs and sockets, and the common industrial plugs and cables comprise 6A, 16A, 32A, 63A, 125A and the like, and 3 cores, 4 cores, 5 cores and the like can be selected according to the types of loads. The quick assembly disassembly formula jumper cable passes through the mode connection of direct plug, can realize quick assembly disassembly, greatly improves work efficiency.

The following describes the structure of jumper cable connector, feeder cable connector, backup switch, load switch:

(1) The structure of the standby switch is modified:

as shown in fig. 1, the standby switch 1 is provided with a plurality of binding posts 7 (for example, A, B, C three phases, one binding post for each phase), each binding post is permanently fixed with a binding nose 8, one end of the binding nose is connected with a cable 9, and the other end of the cable is connected with a female quick-assembly socket 6.

(2) The structure of the jumper cable is modified:

as shown in fig. 1, the special quick-detachable jumper cable for the 400V power supply point comprises a male quick-mounted plug, a female quick-mounted socket, a jumper cable and the like. One end of the jumper cable 3 is connected with a male quick-assembly plug 5, and the other end is connected with a female quick-assembly socket 6.

Setting a matched jumper cable for the standby switch, wherein when the standby switch is three-phase, the jumper cable is also three-phase, so that the jumper cable is matched with the three-phase standby switch; the two ends of each phase of the jumper cable are respectively provided with a male quick-assembly plug and a female quick-assembly socket, all the male quick-assembly plugs connected with the jumper cable in a three-phase manner are arranged at the same end, and all the female quick-assembly sockets are arranged at the other end.

One end of the jumper cable can be spliced with the standby switch, then the jumper cable is fixed by a clamping seat with threads, and the other end of the jumper cable can be spliced with the feeder cable and then fixed by the clamping seat with threads.

(3) The structure of the feeder cable is modified:

the end of the feeder cable 4 connected with the load switch is modified, specifically, the feeder cable connector is connected with a male quick-mounting plug 5, and when the feeder cable is three-phase, as shown in fig. 2, each phase end is connected with a male quick-mounting plug.

(4) The structure of the load switch is modified:

load switches, i.e. conventional 400V switches; as shown in fig. 2, the back terminal of the load switch 2 is modified to a female quick-fit socket 6 so that it can be plugged into a male quick-fit plug on the feeder cable.

The load switch is provided with a plurality of binding posts 7 (for example, A, B, C three phases, one binding post for each phase), each binding post is permanently fixed with a binding nose 8, one end of the binding nose is connected with a cable 9, and the other end of the cable is connected with a female quick-assembly socket 6.

The feeder cable is spliced with the load switch through a male quick-mounting plug and a female quick-mounting socket, and is fixed by using a clamping seat with threads.

The number of phases (several cores) of the backup switch, the load switch, the jumper cable are matched, such as 3 cores, 4 cores, 5 cores, etc.

Working principle: in normal operation, as shown in fig. 2, the feeder cable is connected with the 400V load switch through the quick connector, so that normal power supply to the power utilization load is realized. When bridging is needed, the feeder switch and the standby switch are disconnected, the feeder cable connector is pulled out and is plugged with the bridging cable female quick-mounting socket, the male quick-mounting plug of the bridging cable is plugged with the female quick-mounting socket of the standby switch, so that quick bridging is realized, the clamping seat with threads is utilized for fixing, and then the standby switch is closed, so that bridging power supply can be realized.

The utility model solves the complexity of the conventional load bridging dismounting cable connecting bolt; the hidden trouble of overheating and burning of the cable caused by the unstable connection of the bridging cable bolt is avoided; by adopting the fully-closed insulating joint, after bridging is completed, no exposed conductor exists, and the risk of personnel electric shock and cable short circuit caused by the exposed joint after conventional bolting is avoided.

Although the utility model has been described herein with reference to illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various modifications and improvements may be made to the component parts and/or arrangements of the subject combination layout within the scope of the disclosure. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.

Claims

1. A special quick assembly disassembly formula jumper cable of 400V power supply point, its characterized in that: the plug connector comprises a jumper cable, a plurality of male quick-mounting plugs and a plurality of female quick-mounting sockets, wherein the number of the male quick-mounting plugs and the number of the female quick-mounting sockets are equal to the number of phases of the jumper cable, and two ends of each phase of the jumper cable are respectively connected with the male quick-mounting plugs and the female quick-mounting sockets; the switch which needs to be connected with the jumper cable and the feeder cable end are connected with a male quick-assembly plug or a female quick-assembly socket which can be plugged with the jumper cable end.

2. The quick disconnect cable for a 400V power supply point of claim 1, wherein: and all male quick-assembly plugs connected by the jumper cable are arranged at the same end, and all female quick-assembly sockets are arranged at the other end.

3. The quick detachable jumper cable special for a 400V power supply point according to claim 2, wherein: the switch comprises a standby switch and a load switch, each switch is provided with a plurality of binding posts, each phase of binding post is permanently fixed with a binding post, one end of each binding post is connected with a cable, and the other end of each cable is connected with a female quick-mounting socket or a public mounting connector.

4. The quick disconnect cable for a 400V power supply point of claim 1, wherein: the female quick-mounting socket and the open connector are fixed by a clamping seat with threads.

5. A 400V supply point specific quick disconnect jumper cable according to claim 3, characterised in that: the standby switch, the load switch and the jumper cable are three-phase, four-phase or five-phase.

6. A 400V supply point specific quick disconnect jumper cable according to claim 3, characterised in that: and the standby switch and the load switch are connected with the female quick-mounting socket, and the end part of the feeder cable is connected with the male quick-mounting plug.