CN212411711U

CN212411711U - Intelligent substation is arrester for weak current system

Info

Publication number: CN212411711U
Application number: CN202021020638.9U
Authority: CN
Inventors: 韩平
Original assignee: Nanjing Changyou Intelligent Technology Co Ltd
Current assignee: Nanjing Changyou Intelligent Technology Co Ltd
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-01-26
Anticipated expiration: 2030-06-06

Abstract

The utility model discloses an intelligent substation is arrester for weak current system relates to transformer substation technical field, installs and removes inconvenience and leakproofness not good for solving current arrester, the problem that wets easily. The lightning arrester is characterized in that an upper flange seat is installed at the upper end of the lightning arrester main body, a lower flange seat is installed at the lower end of the lightning arrester main body, a step threaded column is installed at the upper end of the upper flange seat and the lower end of the lower flange seat, a sealing seat is installed outside the step threaded column, an inner step threaded seat is arranged inside the sealing seat, first sealing rings are arranged between the sealing seat and the upper flange seat as well as between the sealing seat and the lower flange seat, and a second sealing ring is arranged between the inner step threaded seat and the step threaded column.

Description

Intelligent substation is arrester for weak current system

Technical Field

The utility model relates to a transformer substation technical field specifically is an intelligent substation is arrester for weak current system.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system. The substations in the power plant are step-up substations, which are used to boost up the electrical energy generated by the generator and feed it into the high-voltage network. The lightning arrester for a substation is an electrical device for limiting a lightning overvoltage transmitted from a line or an internal overvoltage caused by operation, and whether the lightning arrester can operate reliably is an important factor related to safe operation of a power system.

However, the existing lightning arrester is inconvenient to assemble and disassemble, poor in sealing performance and easy to damp, so that the existing requirements are not met, and the lightning arrester for the weak current system of the intelligent substation is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent substation is arrester for weak current system to solve the current arrester of proposing in the above-mentioned background art and install and remove inconvenience and the leakproofness is not good, the problem that wets easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intelligent substation is arrester for weak current system, includes the arrester main part, the upper flange seat is installed to the upper end of arrester main part, the lower flange seat is installed to the lower extreme of arrester main part, step screw thread post is all installed to the upper end of upper flange seat and the lower extreme of lower flange seat, the externally mounted of step screw thread post has the seal receptacle, the inside of seal receptacle is provided with interior step screw thread seat, all be provided with first sealing washer between seal receptacle and upper flange seat and the lower flange seat, be provided with the second sealing washer between interior step screw thread seat and the step screw thread post.

Preferably, the externally mounted of seal receptacle has the mounting panel, the upper end of mounting panel is provided with the mounting hole, and the mounting hole is provided with threely.

Preferably, the inside of arrester main part is provided with the epoxy pipe, the upper end of arrester main part is provided with wiring bolt, the lower extreme of arrester main part is provided with lower wiring bolt, the inside upper end of arrester main part is provided with the upper electrode, the inside lower extreme of arrester main part is provided with the bottom electrode, be provided with the valve block between upper electrode and the bottom electrode, all be provided with pressure spring between valve block and upper electrode and the bottom electrode.

Preferably, the inner step threaded seat is in threaded connection with the step threaded column.

Preferably, the first sealing ring is connected with the sealing seat in a glue joint mode, and the second sealing ring is connected with the inner step threaded seat in a glue joint mode.

Preferably, the seal seat is connected with the mounting plate in a welding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an all peripheral hardware assorted seal receptacle in the outside of the last flange seat of arrester main part and lower flange seat, realize the sealed of arrester main part, because interior step screw thread seat and step screw thread post threaded connection, so can realize the quick connection of seal receptacle and last flange seat and lower flange seat, the junction is sealed once more by first sealing washer and second sealing washer, improves the overall tightness, prevent the entering of steam, avoid the arrester main part to wet, protect it.

2. The utility model discloses a mounting panel can be fixed whole arrester main part, and fixed mode is simple, when needs are dismantled the arrester main part, loosens the lower wiring bolt, rotates the arrester main part again and can dismantle the arrester main part alone, and installation and dismantlement convenient and fast do benefit to the maintenance and change.

Drawings

Fig. 1 is a schematic view of the overall structure of a lightning arrester for a weak current system of an intelligent substation;

FIG. 2 is a connection diagram of the lower flange seat and the sealing seat of the present invention;

fig. 3 is a top view of the mounting plate of the present invention.

In the figure: 1. a lightning arrester main body; 2. an upper flange seat; 3. a lower flange seat; 4. a stepped threaded post; 5. a sealing seat; 6. an inner step screw base; 7. a first seal ring; 8. a second seal ring; 9. mounting a plate; 10. mounting holes; 11. an upper wiring bolt; 12. a lower connecting bolt; 13. an upper electrode; 14. a lower electrode; 15. a valve plate; 16. a compression spring; 17. an epoxy tube.

Detailed Description

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

Referring to fig. 1-3, the present invention provides an embodiment: an arrester for a weak current system of an intelligent substation comprises an arrester main body 1, an upper flange seat 2 is installed at the upper end of the arrester main body 1, a lower flange seat 3 is installed at the lower end of the arrester main body 1, step threaded columns 4 are installed at the upper end of the upper flange seat 2 and the lower end of the lower flange seat 3, a sealing seat 5 is installed outside the step threaded columns 4, an inner step threaded seat 6 is arranged inside the sealing seat 5, the step threaded columns 4 of the lower flange seat 3 are embedded into the sealing seat 5, the arrester main body 1 is rotated to realize the connection of the lower flange seat 3 and the sealing seat 5, the step threaded columns 4 of the upper flange seat 2 are embedded into the sealing seat 5 to be in threaded connection, the quick connection of the upper flange seat 2 and the sealing seat 5 is realized, first sealing rings 7 are respectively arranged between the sealing seat 5 and the upper flange seat 2 as well as between the lower flange seat 3, and second sealing rings 8 are arranged between the inner step threaded seats 6 and the step threaded columns 4, first sealing washer 7 and second sealing washer 8 realize the leakproofness of junction jointly, prevent the entering of steam, avoid arrester main part 1 to wet to carry out safety protection to arrester main part 1.

Further, the externally mounted of seal receptacle 5 has mounting panel 9, and the upper end of mounting panel 9 is provided with mounting hole 10, and mounting hole 10 is provided with threely, fixes mounting panel 9 through mounting hole 10 of mounting panel 9 upper end, can realize fixing arrester main part 1, and fixed mode is quick and comparatively convenient.

Further, an epoxy pipe 17 is arranged inside the lightning arrester main body 1, an upper wiring bolt 11 is arranged at the upper end of the lightning arrester main body 1, a lower wiring bolt 12 is arranged at the lower end of the lightning arrester main body 1, an upper electrode 13 is arranged at the upper end inside the lightning arrester main body 1, a lower electrode 14 is arranged at the lower end inside the lightning arrester main body 1, a valve plate 15 is arranged between the upper electrode 13 and the lower electrode 14, and compression springs 16 are arranged between the valve plate 15 and the upper electrode 13 and the lower electrode 14 and used for protecting various electrical equipment in an electric power system from being damaged by lightning overvoltage, operation overvoltage and power frequency transient overvoltage impact.

Furthermore, the inner step threaded seat 6 is in threaded connection with the step threaded column 4, the connection mode is simple, and the installation and the disassembly are quick and convenient.

Furthermore, the first sealing ring 7 is connected with the sealing seat 5 in a glue joint mode, the second sealing ring 8 is connected with the inner step threaded seat 6 in a glue joint mode, the utilization rate of materials is high, cost is low, stress concentration on all glue joint surfaces is small, and therefore the sealing performance, the insulating performance and the corrosion resistance are good.

Furthermore, the sealing seat 5 is connected with the mounting plate 9 in a welding mode, the air tightness and the water tightness of the welding connection are good, the structural rigidity is also large, the structural integrity is good, labor and time are saved, the sectional area of the material is not reduced, and the material is fully utilized.

The working principle is as follows: when in use, the step threaded column 4 of the lower flange seat 3 is embedded into the sealing seat 5, the lightning arrester main body 1 is rotated to realize the connection of the lower flange seat 3 and the sealing seat 5, the step threaded column 4 of the upper flange seat 2 is embedded into the sealing seat 5 to be in threaded connection, the upper flange seat 2 and the sealing seat 5 are quickly connected, the first sealing ring 7 and the second sealing ring 8 jointly realize the sealing performance of the connection part to prevent water vapor from entering, the lightning arrester main body 1 is prevented from being affected with damp, the lightning arrester main body 1 is protected, the mounting plate 9 is fixed through the mounting hole 10 at the upper end of the mounting plate 9, the lightning arrester main body 1 can be fixed, the fixing mode is quick and convenient, when the lightning arrester main body 1 needs to be disassembled, only the lower connecting bolt 12 needs to be loosened, the lightning arrester main body 1 can be disassembled independently by rotating the lightning arrester main body 1, and the installation and the disassembly are convenient and quick, the lightning arrester main body 1 is convenient to maintain and replace.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an intelligent substation weak current is arrester for system, includes arrester main part (1), its characterized in that: last flange seat (2) are installed to the upper end of arrester main part (1), lower flange seat (3) are installed to the lower extreme of arrester main part (1), step screw thread post (4) are all installed to the upper end of going up flange seat (2) and the lower extreme of lower flange seat (3), the externally mounted of step screw thread post (4) has seal receptacle (5), the inside of seal receptacle (5) is provided with interior step screw thread seat (6), all be provided with first sealing washer (7) between seal receptacle (5) and last flange seat (2) and lower flange seat (3), be provided with second sealing washer (8) between interior step screw thread seat (6) and step screw thread post (4).

2. The lightning arrester for the weak current system of the intelligent substation according to claim 1, characterized in that: the outer mounting of seal receptacle (5) has mounting panel (9), the upper end of mounting panel (9) is provided with mounting hole (10), and mounting hole (10) are provided with threely.

3. The lightning arrester for the weak current system of the intelligent substation according to claim 1, characterized in that: the inside of arrester main part (1) is provided with epoxy pipe (17), the upper end of arrester main part (1) is provided with terminal bolt (11), the lower extreme of arrester main part (1) is provided with down terminal bolt (12), the inside upper end of arrester main part (1) is provided with upper electrode (13), the inside lower extreme of arrester main part (1) is provided with bottom electrode (14), be provided with valve block (15) between upper electrode (13) and bottom electrode (14), all be provided with pressure spring (16) between valve block (15) and upper electrode (13) and bottom electrode (14).

4. The lightning arrester for the weak current system of the intelligent substation according to claim 1, characterized in that: the inner step threaded seat (6) is in threaded connection with the step threaded column (4).

5. The lightning arrester for the weak current system of the intelligent substation according to claim 1, characterized in that: first sealing washer (7) and seal receptacle (5) are glued joint, second sealing washer (8) and interior step screw thread seat (6) are glued joint.

6. The lightning arrester for the weak current system of the intelligent substation according to claim 2, characterized in that: the sealing seat (5) is connected with the mounting plate (9) in a welding mode.