CN219180960U

CN219180960U - Power distribution device

Info

Publication number: CN219180960U
Application number: CN202223401393.6U
Authority: CN
Inventors: 胡瑞江; 袁新丰; 袁新飞
Original assignee: Taizhou Jingwei Electric Power Engineering Design Co ltd
Current assignee: Taizhou Jingwei Electric Power Engineering Design Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-13
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to the technical field of power distribution systems, and particularly provides a power distribution device, which comprises a power distribution box, wherein an isolating switch, a sulfur hexafluoride circuit breaker and a transformer are arranged in the power distribution box; the distribution box is connected with an electric wire, and the electric wire is connected with the isolating switch, the sulfur hexafluoride breaker and the transformer and then is led out from the distribution box; the top of the distribution box is provided with a T-shaped wire clamp for hanging an access wire; the side end of the distribution box is hinged with an insulator chain for isolating induction electricity; the lower end of the insulator string is provided with a suspension clamp for inducing an access wire; the distribution device provided by the utility model has reasonable design and compact structure, the arrangement of the T-shaped wire clamp can facilitate the wire to be connected into and laid out, the arrangement of the suspension wire clamp can avoid the wire in the distribution box body from being wound due to disorder of the wire layout, and the distribution safety is improved; the arrangement of the insulator string can isolate induced electricity, so that the distribution safety is further improved; the lightning arrester and the ground protector are arranged, so that the distribution box can be protected.

Description

Power distribution device

Technical Field

The utility model relates to the technical field of power distribution systems, in particular to a power distribution device.

Background

The power distribution device is used for receiving and distributing electric energy during normal operation, and rapidly cutting off fault parts through automatic or manual operation when faults occur, so that normal operation is restored. It can be said that the power distribution device is an important device that particularly realizes the function of electric main wiring.

Because the wires need to be wired on components inside the distribution box, the traditional distribution device is to connect the wires into the distribution box from the side end, and the wires are inconvenient to wire; the cable is walked the line more disorder after the electric wire inserts the block terminal, causes the winding easily, has distribution potential safety hazard.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a power distribution device for solving the problems of inconvenient wiring of the electric wires from the side ends to the distribution box and messy wiring of the cables after the electric wires are connected to the distribution box in the prior art.

To achieve the above and other related objects, the present utility model provides a power distribution device, including a power distribution box, in which a disconnecting switch, a sulfur hexafluoride breaker, and a transformer are disposed; the distribution box is connected with an electric wire, and the electric wire is connected with the isolating switch, the sulfur hexafluoride breaker and the transformer and then is led out from the distribution box;

the top of the distribution box is provided with a T-shaped wire clamp for hanging an access wire;

the side end of the distribution box is hinged with an insulator chain for isolating induction electricity; and a suspension clamp is arranged at the lower end of the insulator string and used for inducing an access wire.

In an embodiment of the utility model, the isolating switch includes a first isolating switch and a second isolating switch, the first isolating switch is disposed at an input end of the sulfur hexafluoride breaker, and the second isolating switch is disposed at an output end of the transformer.

In an embodiment of the utility model, the transformer includes a current transformer and a voltage transformer, the current transformer is connected to an output end of the sulfur hexafluoride breaker, and the output ends of the current transformer and the voltage transformer are connected in parallel with a second isolating switch.

In an embodiment of the utility model, a terminal box is further disposed in the distribution box, and the terminal box is located between the first isolating switch and the sulfur hexafluoride breaker and is disposed close to the first isolating switch.

In an embodiment of the utility model, a hydrogen chloride arrester is further arranged at one side of the distribution box, and a wiring output end of the arrester is connected in parallel with a second isolating switch.

In one embodiment of the utility model, the lower end of the distribution box is grounded, and the lower end of the distribution box is provided with a grounding protector which is embedded downwards into the ground.

As described above, the power distribution device provided by the utility model has the following beneficial effects:

1. through setting up T type fastener, can hang the electric wire of access block terminal, make things convenient for the electric wire to insert the wiring;

2. by arranging the suspension clamps, the electric wires which are accessed or connected can be summarized, so that the electric wires are routed from the two sides of the distribution box, the winding caused by disorder of the wire routing in the distribution box is avoided, and the distribution safety is improved;

3. by arranging the insulator string, the insulator string plays an important role in normal work of a power transmission line, stability enhancement and the like in power transmission, induction electricity can be isolated, and power distribution safety is further improved;

4. by arranging the lightning arrester and the grounding protector which are matched for application, the lightning arrester can protect components inside the distribution box from high transient overvoltage damage when lightning stroke is not received, limit the follow current time, limit the follow current amplitude, avoid the damage of the lightning to the distribution box and protect the distribution box from power distribution;

5. the distribution device provided by the utility model has reasonable design and compact structure, the arrangement of the T-shaped wire clamp can facilitate the wire to be connected into and laid out, the arrangement of the suspension wire clamp can avoid the wire in the distribution box body from being wound due to disorder of the wire layout, and the distribution safety is improved; the arrangement of the insulator string can isolate induced electricity, so that the distribution safety is further improved; the lightning arrester and the ground protector are arranged, so that the distribution box can be protected.

Drawings

Fig. 1 is a schematic view of a power distribution apparatus according to the present disclosure.

Fig. 2 shows a wiring diagram of an isolating switch and a transformer in the power distribution device disclosed by the utility model.

Description of element reference numerals

A distribution box 1; an isolating switch 2; a first disconnecting switch 21; a second disconnecting switch 22; a sulfur hexafluoride breaker 3; a transformer 4; a current transformer 41; a voltage transformer 42; a T-shaped wire clip 5; an insulator string 6; a suspension clamp 7; a terminal box 8; a lightning arrester 9; a ground protector 10; and an electric wire a.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1-2. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Referring to fig. 1-2, the utility model provides a power distribution device, which comprises a power distribution box 1, wherein a disconnecting switch 2, a sulfur hexafluoride breaker 3 and a transformer 4 are arranged in the power distribution box 1; the distribution box 1 is connected with an electric wire a, and the electric wire is connected with the isolating switch 2, the sulfur hexafluoride breaker 2 and the transformer 4 and then is led out from the distribution box 1; the isolating switch 2 comprises a first isolating switch 21 and a second isolating switch 22, the first isolating switch 21 is arranged at the input end of the sulfur hexafluoride breaker 3, and the second isolating switch 22 is arranged at the output end of the transformer 4; the transformer 4 comprises a current transformer 41 and a voltage transformer 42, the current transformer 41 is connected to the output end of the sulfur hexafluoride breaker 3, and the output ends of the current transformer 41 and the voltage transformer 42 are connected in parallel with the second isolating switch 22.

The top of the distribution box 1 is provided with a T-shaped wire clamp 5 for hanging an access wire; through setting up T type fastener 5, can hang electric wire a of access block terminal 1, make things convenient for electric wire a to insert.

An insulator string 6 is hinged to the side end of the distribution box 1 and used for isolating induction electricity; by arranging the suspension clamp 7, the electric wires a which are accessed or connected can be generalized, so that the electric wires a are routed from two sides of the distribution box 1, the winding caused by disorder of the routing of the electric wires a in the box body of the distribution box 1 is avoided, and the distribution safety is improved; the lower end of the insulator string 6 is provided with a suspension clamp 7 for inducing an access wire a; through setting up suspension clamp 7, can carry out induction to electric wire a of access or connecing, make electric wire a walk the line from block terminal 1 both sides, avoid block terminal 1 box internal electric wire a to walk the line disorder and cause the winding, improve distribution security.

The distribution box 1 is also provided with a terminal box 8, and the terminal box 8 is positioned between the first isolating switch 21 and the sulfur hexafluoride breaker 3 and is close to the first isolating switch 21; the terminal box 8 can assist in potential connection, and the two conductive parts are directly connected by a lead to be in equipotential connection, so that the fault contact voltage is reduced below the limit value of the contact voltage.

A hydrogen chloride lightning arrester 9 is further arranged on one side of the distribution box 1, and a second isolating switch 22 is connected in parallel with the wiring output end of the lightning arrester 9; the lower end of the distribution box 1 is grounded and placed, and the lower end of the distribution box 1 is provided with a grounding protector 10 which is embedded into the ground downwards; through setting up arrester 9 and the ground connection protector 10 that the cooperation was used, the arrester 9 can protect the inside components and parts of block terminal 1 to avoid high transient overvoltage harm when receiving the thunderbolt to restrict the freewheel time, also can be used for restricting freewheel amplitude, avoid thunder and lightning to damage block terminal 1 to and be used for protecting block terminal 1 distribution.

In summary, the power distribution device provided by the utility model has reasonable design and compact structure, the arrangement of the T-shaped wire clamp 5 can facilitate the wire a to access the wiring, and the arrangement of the suspension wire clamp 7 can prevent the wire a in the box body of the power distribution box 1 from being wound due to disorder of the wiring, so that the power distribution safety is improved; the arrangement of the insulator string 6 can isolate induced electricity, so that the distribution safety is further improved; the arrangement of the lightning arrester 9 and the ground protector 10 can protect the distribution box 1. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. The power distribution device is characterized by comprising a power distribution box, wherein an isolating switch, a sulfur hexafluoride breaker and a transformer are arranged in the power distribution box; the distribution box is connected with an electric wire, and the electric wire is connected with the isolating switch, the sulfur hexafluoride breaker and the transformer and then is led out from the distribution box;

the side end of the distribution box is hinged with an insulator chain for isolating induction electricity; and the lower end of the insulator string is provided with a suspension clamp for inducing an in-connection or out-connection wire.

2. The electrical distribution device of claim 1, wherein: the isolating switch comprises a first isolating switch and a second isolating switch, the first isolating switch is arranged at the input end of the sulfur hexafluoride circuit breaker, and the second isolating switch is arranged at the output end of the transformer.

3. The electrical distribution device of claim 2, wherein: the transformer comprises a current transformer and a voltage transformer, the current transformer is connected to the output end of the sulfur hexafluoride circuit breaker, and the output ends of the current transformer and the voltage transformer are connected in parallel with a second isolating switch.

4. The electrical distribution device of claim 2, wherein: the distribution box is also provided with a terminal box, and the terminal box is positioned between the first isolating switch and the sulfur hexafluoride breaker and is close to the first isolating switch.

5. A power distribution apparatus as claimed in claim 3, wherein: and a hydrogen chloride arrester is arranged on one side of the distribution box, and the wiring output end of the arrester is connected with a second isolating switch in parallel.

6. The electrical distribution device of claim 5, wherein: the lower end of the distribution box is grounded and provided with a grounding protector which is embedded into the ground downwards.