CN216849714U

CN216849714U - Automatic power distribution system based on medium-voltage power distribution network frame

Info

Publication number: CN216849714U
Application number: CN202220679786.4U
Authority: CN
Inventors: 张�浩; 尹磊; 邵锐
Original assignee: Anhui Ocean Power Engineering Co ltd
Current assignee: Anhui Ocean Power Engineering Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-06-28
Anticipated expiration: 2032-03-25

Abstract

The application discloses automatic distribution system based on medium voltage distribution rack belongs to automatic distribution system technical field, including the arc-extinguish chamber, the bottom plate is installed to the bottom surface of arc-extinguish chamber, and the last surface mounting of bottom plate has conductive seat, and conductive seat's bottom surface is installed down and is led electrical pillar, and lower bottom of leading electrical pillar runs through the bottom plate and extends to the below of bottom plate, and two compression springs are installed to the inside wall of arc-extinguish chamber. This automatic distribution system based on medium voltage distribution rack, through being provided with arc-extinguishing chamber cooperation bottom plate and insulating cylinder, can tentatively prevent the electric arc outdiffusion that distribution system produced when connecting, when electric putter drives the connecting plate and connects the electric column downstream and contact with electrically conductive seat, can promote the arc-extinguishing plate to both sides, because the elasticity that compression spring provided can make the arc-extinguishing plate contact with connecting the electric column, thereby can further prevent that electric arc from scattering outward, play and to reduce the inside electrical equipment of automatic distribution system and receive the effect that electric arc influences the probability.

Description

Automatic power distribution system based on medium-voltage power distribution network frame

Technical Field

The application belongs to the technical field of automatic power distribution systems, and particularly relates to an automatic power distribution system based on a medium-voltage power distribution network frame.

Background

The automatic power distribution system is an auxiliary and standby device applied to a medium-voltage power distribution network frame, when a main circuit breaks down, the device can enable a circuit to continue to operate through the auxiliary and standby circuits, so that electrical equipment at the rear cannot work, normal operation of the electrical equipment at the rear is guaranteed, and the automatic power distribution system is practical in the existing medium-voltage power distribution network frame.

The existing automatic power distribution system can not well protect the circuits and internal equipment when in work, and can generate larger electric arcs particularly when main and auxiliary circuits are switched.

Therefore, an automatic power distribution system based on a medium-voltage power distribution network frame is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve among the prior art, the inside equipment of protection that can not be better, makes the internal plant damaged by the electric arc easily, influences its life's problem, and the automatic distribution system based on medium voltage distribution rack that provides.

In order to achieve the purpose, the following technical scheme is adopted in the application:

an automatic power distribution system based on a medium-voltage power distribution network frame comprises an arc extinguishing chamber, wherein a bottom plate is installed on the bottom surface of the arc extinguishing chamber, a conductive seat is installed on the upper surface of the bottom plate, a lower conductive column is installed on the bottom surface of the conductive seat, the bottom end of the lower conductive column penetrates through the bottom plate and extends to the lower portion of the bottom plate, two compression springs are installed on the inner side wall of the arc extinguishing chamber, an arc extinguishing plate is installed on one side face, close to each other, of the two compression springs, an insulating cylinder is installed on the upper surface of the arc extinguishing chamber, a power connection column is placed inside the insulating cylinder, an upper conductive column is installed on the upper surface of the power connection column, connecting plates are installed on the two side faces of the power connection column, one side face, far away from each other, of the two connecting plates penetrates through the insulating cylinder and extends to the outside of the insulating cylinder, an electric push rod is installed on the bottom surface of each connecting plate, and the bottom end of each electric push rod is fixedly connected with the upper surface of the arc extinguishing chamber, every electric putter's surface all overlaps and is equipped with auxiliary spring, every auxiliary spring's bottom all is connected with the last fixed surface of arc-extinguish chamber, every auxiliary spring's top all with the bottom surface fixed connection of every connecting plate.

The arc extinguishing cover is matched with the bottom plate and the insulating cylinder, so that the electric arc generated when the automatic power distribution system is powered on can be preliminarily prevented from diffusing outwards, when the electric push rod drives the connecting plate and the power connection pole to move downwards to be contacted with the conductive seat, the arc extinguishing plates can be pushed towards two sides, the arc extinguishing plates can be contacted with the power connection pole due to the elastic force provided by the compression spring, so that the electric arc can be further prevented from diffusing outwards, the normal operation of electric equipment in the automatic power distribution system is ensured, when the main circuit starts to work and the power connection pole is required to be disconnected with the conductive seat, the connecting plate and the power connection pole can be quickly pushed to move upwards by the elastic force provided by the auxiliary spring, so that the power connection pole and the conductive seat are quickly separated, and the compression spring can push the two arc extinguishing plates to be close to each other, the electric arc generated when the power is powered off can be prevented from diffusing outwards, and the influence of the electric arc on the electric equipment in the automatic power distribution system is reduced, the overall service life of the automatic power distribution system is prolonged.

Preferably, the fixed plates are arranged on the front face of the arc-extinguishing chamber and the back face of the arc-extinguishing chamber, and each installation through groove is formed in the left side face of each fixed plate.

Through being provided with the fixed plate and installing logical groove can install the device in the position that needs, made things convenient for staff's installation and fixed the device, increased the device installation and fixed convenient degree.

Preferably, the outer surface of the electric connecting column is fixedly sleeved with an insulating ring, and the outer surface of the insulating ring is in contact with the inner wall of the insulating cylinder.

Can increase when connecting electric pole mobility stability through being provided with the insulating ring, can prevent that electric arc from outwards spilling from the outside gap of insulating cylinder, further increase the protective effect of insulating cylinder.

Preferably, two reinforcing blocks are placed above the insulating ring, each reinforcing block is fixedly connected with the bottom surface of the connecting plate on the upper surface, and two side faces, close to each other, of the reinforcing blocks are fixedly connected with the two side faces of the power connection post respectively.

The connecting strength of the connecting plate and the power connection column can be increased by the reinforcing block, so that the connecting plate and the power connection column are more firmly and reliably connected, and the normal matching use of the connecting plate and the power connection column is ensured.

Preferably, an upper electric connection plate is placed above the insulating ring, the bottom surface of the upper electric connection plate is fixedly connected with the top end of the upper conductive column, and an upper electric connection hole is formed in the front surface of the upper electric connection plate.

Through being provided with and connect the electroplax and connect the electric hole on with and can make things convenient for people to connect upper portion electrical equipment through the wire, increased the convenient degree that the device connects the electricity, make it can make things convenient for more and fixed wire.

Preferably, the upper surface of the conductive seat is provided with an insulating pad, and the bottom surface of each arc-extinguishing plate is in contact with the upper surface of the insulating pad.

The arc extinguishing effect of the conductive seat can be further improved by arranging the insulating pad, so that the interface is not easy to generate electric arcs, and the damage of the electric arcs to other equipment is indirectly reduced.

Preferably, every the telescopic link, two have all been placed to compression spring's inside the flexible end of telescopic link respectively with two arc-extinguishing plate a side fixed connection who keeps away from each other, two the one end that the telescopic link kept away from each other all with the inside wall fixed connection of arc-extinguishing chamber.

Can restrict compression spring's flexible direction through being provided with the telescopic link, prevent that compression spring from taking place the skew when flexible, influencing the arc extinguishing effect of arc-extinguishing plate.

Preferably, the lower electric plate has been placed to the below of insulating pad, the upper surface of lower electric plate and the bottom fixed connection who leads electrical pillar down, the left surface of lower electric plate has been seted up and has been connect the electric hole down.

Through being provided with down the electroplax and connect the hole with lower, can make things convenient for the staff to pass through the wire and connect below electrical equipment, further increased the convenient degree that the device connects the electricity, make the wire can make things convenient for swiftly more and lead electrical pillar and be linked together down.

To sum up, the technical effect and the advantage of this application: the automatic power distribution system based on the medium-voltage power distribution network frame can preliminarily prevent electric arcs generated when the automatic power distribution system is connected with electricity from diffusing outwards by arranging the arc extinguishing covers to be matched with the bottom plate and the insulating cylinder, can push the arc extinguishing plates to two sides when the electric push rod drives the connecting plate and the electricity connecting pole to move downwards to be contacted with the conducting seat, can further prevent the electric arcs from diffusing outwards due to the elastic force provided by the compression spring, has the function of reducing the probability of electric arc influence on electric equipment in the automatic power distribution system, can quickly push the connecting plate and the electricity connecting pole to move upwards by utilizing the elastic force provided by the auxiliary spring when the main circuit starts to work and the electricity connecting pole needs to be disconnected with the conducting seat, so that the electricity connecting pole and the conducting seat are quickly separated, and the compression spring can push the two arc extinguishing plates to be close to each other, therefore, the electric arc generated in the power failure can be prevented from diffusing outwards, the influence of the electric arc on the internal electrical equipment of the automatic power distribution system is reduced, and the whole service life of the automatic power distribution system is prolonged.

Drawings

Figure 1 is a schematic three-dimensional structure of an arc chute of the present application;

FIG. 2 is a schematic structural diagram of an electrical connection pole according to the present application;

FIG. 3 is a perspective structural view of a base plate according to the present application;

fig. 4 is a schematic three-dimensional structure diagram of the conductive socket of the present application.

In the figure: 1. an arc extinguishing chamber; 2. a base plate; 3. a fixing plate; 4. installing a through groove; 5. a connecting plate; 6. an insulating cylinder; 7. an upper conductive column; 8. an electric push rod; 9. an auxiliary spring; 10. connecting a power post; 11. an insulating ring; 12. an upper power connection hole; 13. a reinforcing block; 14. a conductive seat; 15. a compression spring; 16. an arc extinguishing plate; 17. a telescopic rod; 18. a lower contact plate; 19. an insulating pad; 20. a lower conductive post; 21. a lower power connection hole; 22. and an electric plate is connected.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1 and 2, an automatic distribution system based on medium voltage distribution rack, including arc-extinguishing chamber 1, bottom plate 2 is installed to the bottom surface of arc-extinguishing chamber 1, in addition, fixed plate 3 is all installed with the back of arc-extinguishing chamber 1 in the front of arc-extinguishing chamber 1, and simultaneously, the installation has all been seted up to the left surface of every fixed plate 3 and has been led to groove 4, and fixed plate 3 leads to groove 4 with the installation and can install the device in the position that needs, has made things convenient for staff's installation and fixed the device, has increased the device installation and has fixed convenient degree.

Referring to fig. 3 and 4, the upper surface of the bottom plate 2 is provided with a conductive seat 14, the bottom surface of the conductive seat 14 is provided with a lower conductive column 20, the bottom end of the lower conductive column 20 penetrates through the bottom plate 2 and extends to the lower part of the bottom plate 2, the inner side wall of the arc-extinguishing chamber 1 is provided with two compression springs 15, one side surface of each of the two compression springs 15 close to each other is provided with an arc-extinguishing plate 16, one side surface of each of the arc-extinguishing plates 16 close to each other is an arc surface, in addition, an expansion link 17 is arranged inside each of the compression springs 15, meanwhile, the telescopic ends of the two telescopic rods 17 are respectively fixedly connected with one side surface of the two arc-extinguishing plates 16 which is far away from each other, and, the one end that two telescopic links 17 kept away from each other all with the inside wall fixed connection of arc-extinguish chamber 1, telescopic link 17 can restrict compression spring 15's flexible direction, prevents that compression spring 15 from taking place the skew when flexible, influences arc extinguishing plate 16's arc extinguishing effect.

Referring to fig. 3 and 4, in addition, the insulating pad 19 is installed on the upper surface of the conductive seat 14, and meanwhile, the bottom surface of each arc extinguishing plate 16 is in contact with the upper surface of the insulating pad 19, and the insulating pad 19 can further improve the arc extinguishing effect of the conductive seat 14, so that an interface is not easy to generate an arc, and the damage of the arc to other equipment is indirectly reduced.

Referring to fig. 1 and 2, the last surface mounting of arc-extinguishing chamber 1 has insulating cylinder 6, two waist shape holes have been seted up to the surface of insulating cylinder 6, electrical column 10 has been placed to the inside of insulating cylinder 6, the through-hole that can supply electrical column 10 to pass is seted up to the top surface of arc-extinguishing chamber 1, electrical column 10's bottom is the arc surface, in addition, electrical column 10's fixed surface cover is equipped with insulator ring 11, and simultaneously, the surface of insulator ring 11 contacts with the inner wall of insulating cylinder 6, when insulator ring 11 can increase electrical column 10 mobility stability, can avoid electric arc outwards to spill from the outside gap of insulating cylinder 6 as far as possible, further increased insulating cylinder 6's protecting effect.

Referring to fig. 2, the last surface mounting who connects electric pole 10 has last to lead conductive pillar 7, in addition, the top of insulator ring 11 has been placed and has been connected electric board 22, and simultaneously, the bottom surface that connects electric board 22 and the top fixed connection who leads conductive pillar 7 on, and connect electric hole 12 on having seted up in the front of electric board 22 on, connect electric board 22 and connect electric hole 12 on can make things convenient for people to connect upper portion electrical equipment through the wire, increased the convenient degree that the device connects the electricity, make it can make things convenient for more and fixed wire.

Referring to fig. 1 and 2, connecting plate 5 is all installed to the both sides face of electric post 10, the side that two connecting plates 5 kept away from each other all runs through insulating cylinder 6 and extends to the outside of insulating cylinder 6, electric putter 8 is all installed to the bottom surface of every connecting plate 5, in addition, two reinforcing block 13 have been placed to the top of insulating ring 11, and simultaneously, the upper surface of every reinforcing block 13 all with the bottom surface fixed connection of connecting plate 5, and, the side that two reinforcing block 13 are close to each other respectively with the both sides face fixed connection of electric post 10, reinforcing block 13 can increase connecting plate 5 and electric post 10's joint strength, it is more firm reliable to make connecting plate 5 be connected with electric post 10, the normal cooperation use of connecting plate 5 with electric post 10 has been guaranteed.

Referring to fig. 3 and 4, the bottom end of each electric push rod 8 is fixedly connected with the upper surface of the arc-extinguishing chamber 1, the outer surface of each electric push rod 8 is sleeved with an auxiliary spring 9, meanwhile, the bottom end of each auxiliary spring 9 is fixedly connected with the upper surface of the arc-extinguishing chamber 1, the top end of each auxiliary spring 9 is fixedly connected with the bottom surface of each connecting plate 5, in addition, a lower electric-connecting plate 18 is arranged below an insulating pad 19, meanwhile, the upper surface of the lower electric conduction plate 18 is fixedly connected with the bottom end of the lower electric conduction column 20, the lower electric conduction column 20 and the lower electric conduction plate 18 vertically penetrate through the bottom plate 2, moreover, the left side surface of the lower electric connection plate 18 is provided with a lower electric connection hole 21, the lower electric connection plate 18 and the lower electric connection hole 21 can facilitate a worker to connect the electrical equipment below through a wire, the convenience of electric connection of the device is further increased, and the wire can be communicated with the lower conductive post 20 more conveniently and rapidly.

The working principle is as follows: when the device is used, firstly, the electric push rod 8 is communicated with a power supply, then the device is fixed at a required position by using the fixing plate 3 and the installation through groove 4, then when a main circuit breaks down and an auxiliary circuit needs to work, the power provided by the electric push rod 8 can be used for driving the connecting plate 5 to move downwards so as to drive the electric connecting post 10 to move downwards, the electric connecting post 10 can push the two arc extinguishing plates 16 to be contacted with the conductive seat 14 while moving downwards so as to complete the connection of a circuit, the arc extinguishing plates 16 can be pushed to be tightly attached to the electric connecting post 10 by using the elastic force provided by the compression spring 15, so that the electric arc generated when the electric connecting post 10 is contacted with the conductive seat 14 can be prevented from leaking, meanwhile, the electric equipment in the automatic power distribution system can be greatly protected from being influenced by the electric arc by matching with the arc extinguishing cover 1 and the insulating cylinder 6, when the main circuit is repaired and the auxiliary circuit needs to be powered off, the electric push rod 8 stops working and is matched with the elastic force provided by the auxiliary spring 9 to drive the connecting plate 5 and the electric connecting column 10 to move upwards and separate from the electric conducting seat 14, at the moment, the elastic force provided by the compression spring 15 can push the two arc extinguishing plates 16 to be close to each other, so that the electric arc generated when the electric connecting column 10 and the electric conducting seat 14 are separated can be cut off, the electric arc cannot leak, the normal operation of other electric equipment in the automatic power distribution system is further ensured, and the whole service life of the automatic power distribution system is greatly prolonged.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. The utility model provides an automatic distribution system based on middling pressure distribution rack, includes arc-extinguishing chamber (1), its characterized in that, bottom plate (2) are installed to the bottom surface of arc-extinguishing chamber (1), the last surface mounting of bottom plate (2) has electrically conductive seat (14), electrically conductive seat (14)'s bottom surface is installed down and is led electrical pillar (20), the bottom that leads electrical pillar (20) down runs through bottom plate (2) and extends to the below of bottom plate (2), two compression spring (15) are installed to the inside wall of arc-extinguishing chamber (1), two arc-extinguishing plate (16) are all installed to the side that compression spring (15) are close to each other, the last surface mounting of arc-extinguishing chamber (1) has insulating cylinder (6), electrical pillar (10) have been placed to the inside of insulating cylinder (6), the last surface mounting of electrical pillar (10) has last electrically conductive pillar (7), connecting plate (5) are all installed to the both sides face of electrical pillar (10), two a side that connecting plate (5) kept away from each other all runs through insulating cylinder (6) and extends to the outside of insulating cylinder (6), every electric putter (8), every are all installed to the bottom surface of connecting plate (5) the bottom of electric putter (8) all is connected with the last fixed surface of arc-extinguish chamber (1), every the surface of electric putter (8) all is overlapped and is equipped with auxiliary spring (9), every the bottom of auxiliary spring (9) all with the last fixed surface of arc-extinguish chamber (1) be connected, every the top of auxiliary spring (9) all with the bottom surface fixed connection of every connecting plate (5).

2. The automatic power distribution system based on the medium-voltage power distribution rack is characterized in that fixing plates (3) are mounted on the front surface of the arc extinguishing chamber (1) and the back surface of the arc extinguishing chamber (1), and a mounting through groove (4) is formed in the left side surface of each fixing plate (3).

3. The automatic power distribution system based on the medium-voltage power distribution grid structure is characterized in that an insulating ring (11) is fixedly sleeved on the outer surface of the power connection pole (10), and the outer surface of the insulating ring (11) is in contact with the inner wall of the insulating cylinder (6).

4. The automatic power distribution system based on the medium-voltage power distribution grid structure is characterized in that two reinforcing blocks (13) are placed above the insulating ring (11), the upper surface of each reinforcing block (13) is fixedly connected with the bottom surface of the connecting plate (5), and one side surface, close to each other, of the two reinforcing blocks (13) is fixedly connected with the two side surfaces of the power connection post (10) respectively.

5. The automatic power distribution system based on the medium-voltage power distribution grid structure is characterized in that an upper electric connection plate (22) is placed above the insulating ring (11), the bottom surface of the upper electric connection plate (22) is fixedly connected with the top end of the upper conductive column (7), and an upper electric connection hole (12) is formed in the front surface of the upper electric connection plate (22).

6. An automated distribution system based on a medium voltage distribution grid according to claim 1, characterized in that the upper surface of the conductive base (14) is provided with insulating pads (19), and the bottom surface of each arc extinguishing plate (16) is in contact with the upper surface of the insulating pad (19).

7. The automatic power distribution system based on the medium-voltage power distribution grid structure is characterized in that a telescopic rod (17) is placed inside each compression spring (15), telescopic ends of the two telescopic rods (17) are fixedly connected with one side face, away from each other, of each arc extinguishing plate (16), and one end, away from each other, of each telescopic rod (17) is fixedly connected with the inner side wall of each arc extinguishing chamber (1).

8. The automatic power distribution system based on the medium-voltage power distribution rack as claimed in claim 6, wherein a lower power distribution plate (18) is placed below the insulating pad (19), the upper surface of the lower power distribution plate (18) is fixedly connected with the bottom end of a lower conductive column (20), and a lower power connection hole (21) is formed in the left side surface of the lower power distribution plate (18).