CN215732813U

CN215732813U - Electric digital high-voltage switch cabinet

Info

Publication number: CN215732813U
Application number: CN202121919107.8U
Authority: CN
Inventors: 苏海文
Original assignee: Baoneng Electric Technology Fujian Construction Co ltd
Current assignee: Baoneng Electric Technology Fujian Construction Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-01
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses an electrical digital high-voltage switch cabinet, relates to the technical field of high-voltage switch cabinets, and aims to solve the problems that the existing switch cabinet in the prior art is relatively simple in structure, low in serial workability among equipment and incapable of realizing efficient linkage control, and therefore, long time is needed for later overhauling and maintenance. The surface of high tension switchgear main part is provided with the cabinet door that opens and shuts, and opens and shuts the cabinet door and pass through the hinge rotation with the high tension switchgear main part and be connected, the surface of the cabinet door that opens and shuts is provided with the display screen subassembly, and the display screen subassembly passes through the screw connection with the cabinet door that opens and shuts, the high tension switchgear main part includes low-pressure chamber, circuit breaker room, cable chamber and generating line room, the generating line room sets up in one side of low-pressure chamber, and the circuit breaker room sets up the below at the low-pressure chamber, the cable chamber sets up the below at circuit breaker room and generating line room, the inside of generating line room is provided with the generating line sleeve pipe.

Description

Electric digital high-voltage switch cabinet

Technical Field

The utility model relates to the technical field of high-voltage switch cabinets, in particular to an electrical digital high-voltage switch cabinet.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, each branch circuit is arranged according to the requirement of the branch circuit, and the main function is to open, close, control and protect the electrical device in the process of generating, transmitting, distributing and converting electric energy of an electric power system. The switch cabinet mainly comprises a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like, has a plurality of classification methods, can be divided into a high-voltage switch cabinet, a medium-voltage switch cabinet, a low-voltage switch cabinet and the like according to different voltage grades, and is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textiles, industrial and mining enterprises, residential districts, high-rise buildings and the like.

However, the existing switch cabinet is relatively simple in structure, the series connection workability between the devices is low, and efficient linkage control cannot be realized, so that long time is needed for later overhauling and maintenance; therefore, the existing requirements are not met, and an electrical digital high-voltage switch cabinet is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electrical digital high-voltage switch cabinet, which aims to solve the problems that the existing switch cabinet in the background art is relatively simple in structure, low in serial workability of equipment and incapable of realizing efficient linkage control, and therefore, long time is needed for later overhauling and maintenance.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electrical digital high tension switchgear, includes the high tension switchgear main part, the surface of high tension switchgear main part is provided with the cabinet door that opens and shuts, and opens and shuts the cabinet door and pass through the hinge rotation with the high tension switchgear main part and be connected, the surface of the cabinet door that opens and shuts is provided with the display screen subassembly, and the display screen subassembly passes through screw connection with the cabinet door that opens and shuts, the high tension switchgear main part includes low-pressure chamber, circuit breaker room, cable chamber and generating line room, the generating line room sets up in one side of low-pressure chamber, and the circuit breaker room sets up the below at the low-pressure chamber, the cable chamber sets up the below at circuit breaker room and generating line room, the inside of generating line room is provided with the generating line sleeve pipe, and the generating line sleeve pipe extends to the side of high tension switchgear main part, the sheathed tube middle section of generating line is provided with the generating line plywood, and the generating line sleeve pipe passes through the generating line plywood and is connected with the high tension switchgear main part.

Preferably, the inside of circuit breaker room is provided with the circuit breaker unit, and the circuit breaker unit passes through bolted connection with the circuit breaker room, the outside of circuit breaker unit is provided with the insulator, and insulator and circuit breaker unit electric connection.

Preferably, the insulator extends to the interior of the bus bar chamber and the cable chamber, and a metal guide frame is arranged at the other end of the insulator.

Preferably, the inside of cable chamber is provided with the junction box, and the opposite side of cable chamber is provided with earthing switch, junction box and insulator and earthing switch electric connection, earthing switch's below is provided with the wiring tower.

Preferably, the inside of low-pressure chamber is provided with instrument ladder frame, and instrument ladder frame passes through the screw connection with the high tension switchgear main part, instrument ladder frame sets up to cascaded structure.

Preferably, the opposite side of instrument ladder frame is provided with the heat dissipation rack, the surface of heat dissipation rack is provided with the bus switch, and bus switch passes through the screw connection with the heat dissipation rack.

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

1. the digitalized switch cabinet is characterized in that a digitalized informationized element is added on the traditional switch cabinet to upgrade the traditional switch cabinet into digitalization, and the operation state of the switch cabinet in the operation process of equipment is fully sensed from zero sensing, so that a person can remotely check whether the switch cabinet is in operation or not, whether a switch is switched on or not, and the operation temperature, current and voltage and other data of the equipment are presented in an electric power system before electric power monitoring system software, and the person can know whether the operation state of the equipment is normal or not without checking the equipment on site by the switch cabinet;

2. the bus chamber is not provided with a supporting insulator, so that fault points can be reduced, the influence of an eddy current effect is reduced due to the three-phase integrated stainless steel mounting plate, the circuit breaker unit is arranged in the circuit breaker chamber and adopts a pressure spring type annular contact, the contact is more reliable, the pole is completely sealed and fixedly sealed, the anti-pollution performance is high, meanwhile, the modular operation mechanism is modularized, the replacement and the maintenance are convenient, one side of the cable chamber is provided with the grounding switch, the junction box is electrically connected with the insulator and the grounding switch, the grounding switch can be provided with an electric operation mechanism, the electric operation is realized, and the manual operation and the electric operation can be mutually converted.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is a schematic view of the structure of the low pressure chamber of the present invention.

In the figure: 1. a high-voltage switch cabinet main body; 2. a busbar plywood; 3. a bus bushing; 4. opening and closing the cabinet door; 5. a display screen assembly; 6. a low pressure chamber; 7. a circuit breaker chamber; 8. a cable chamber; 9. a bus chamber; 10. a junction box; 11. a wiring tower; 12. an insulator; 13. a metal guide frame; 14. a circuit breaker unit; 15. a grounding switch; 16. a heat dissipation net rack; 17. a bus switch; 18. an instrument ladder frame.

Detailed Description

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

Referring to fig. 1-2, an embodiment of the present invention is shown: an electrical digital high-voltage switch cabinet comprises a high-voltage switch cabinet main body 1, an opening and closing cabinet door 4 is arranged on the outer surface of the high-voltage switch cabinet main body 1, the opening and closing cabinet door 4 is rotatably connected with the high-voltage switch cabinet main body 1 through a hinge, a display screen assembly 5 is arranged on the outer surface of the opening and closing cabinet door 4, the display screen assembly 5 is connected with the opening and closing cabinet door 4 through a screw, the high-voltage switch cabinet main body 1 comprises a low-voltage chamber 6, a breaker chamber 7, a cable chamber 8 and a bus chamber 9, the bus chamber 9 is arranged on one side of the low-voltage chamber 6, the breaker chamber 7 is arranged below the low-voltage chamber 6, the cable chamber 8 is arranged below the breaker chamber 7 and the bus chamber 9, a bus sleeve 3 is arranged inside the bus sleeve 9, the bus sleeve 3 extends to the side surface of the high-voltage switch cabinet main body 1, a bus plywood 2 is arranged in the middle section of the bus sleeve 3, and the bus sleeve 3 is connected with the high-voltage switch cabinet main body 1 through the bus plywood 2, the bus bar compartment is free of support insulators 12, which reduces the number of points of failure, and the three-phase integrated stainless steel mounting plate reduces the effects of eddy current effects.

Referring to fig. 2, a circuit breaker unit 14 is disposed inside the circuit breaker chamber 7, and the circuit breaker unit 14 is connected to the circuit breaker chamber 7 by a screw, and a compression spring type annular contact is used for more reliable contact, a fully sealed and sealed pole has high anti-pollution performance, meanwhile, the modular operating mechanism is convenient to replace and maintain, the insulator 12 is arranged on the outer side of the breaker unit 14, and the insulator 12 is electrically connected to the breaker unit 14, the insulator 12 extends to the interior of the bus bar compartment 9 and the cable compartment 8, and the other end of the insulator 12 is provided with a metal guide 13, the inside of the cable chamber 8 is provided with a junction box 10, and the other side of the cable chamber 8 is provided with a grounding switch 15, the junction box 10 is electrically connected with the insulator 12 and the grounding switch 15, a junction tower 11 is arranged below the grounding switch 15, the grounding switch can be provided with an electric operating mechanism to realize electric operation, and manual operation and electric operation can be mutually switched.

Referring to fig. 3, an instrument ladder 18 is arranged inside the low-voltage chamber 6, the instrument ladder 18 is connected with the high-voltage switch cabinet main body 1 through screws, the instrument ladder 18 is of a stepped structure, a heat dissipation net rack 16 is arranged on the other side of the instrument ladder 18, a bus switch 17 is arranged on the outer surface of the heat dissipation net rack 16, the bus switch 17 is connected with the heat dissipation net rack 16 through screws, and the low-voltage chamber is detachable and high in assembly efficiency.

The working principle is as follows: the high-voltage switch cabinet main body 1 is composed of a low-voltage chamber 6, a breaker chamber 7, a cable chamber 8 and a bus chamber 9, wherein the bus chamber 9 is arranged at one side of the low-voltage chamber 6, the breaker chamber 7 is arranged below the low-voltage chamber 6, the cable chamber 8 is arranged below the breaker chamber 7 and the bus chamber 9, a bus sleeve 3 is arranged inside the bus chamber 9, the bus sleeve 3 extends to the side surface of the high-voltage switch cabinet main body 1, a bus plywood 2 is arranged at the middle section of the bus sleeve 3, the bus chamber is not provided with a supporting insulator 12, so that the fault point can be reduced, a three-phase integrated stainless steel mounting plate is arranged inside the breaker chamber 7, the influence of an eddy current effect is reduced, a breaker unit 14 is arranged inside the breaker chamber 7, the breaker unit 14 adopts a pressure spring type annular contact, the contact is more reliable, a fully sealed pole is fixedly sealed, the anti-pollution performance is high, meanwhile, a modularized operation mechanism is adopted, the replacement and the maintenance is convenient, the cable chamber 8 is provided with a grounding switch 15 at one side, the connection box 10 is electrically connected with the insulator 12 and the grounding switch 15, the grounding switch can be provided with an electric operating mechanism to realize electric operation, and manual operation and electric operation can be mutually switched.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 electric digital high tension switchgear, includes high tension switchgear main part (1), its characterized in that: the outer surface of the high-voltage switch cabinet main body (1) is provided with an opening and closing cabinet door (4), the opening and closing cabinet door (4) is rotatably connected with the high-voltage switch cabinet main body (1) through a hinge, the outer surface of the opening and closing cabinet door (4) is provided with a display screen assembly (5), the display screen assembly (5) is connected with the opening and closing cabinet door (4) through a screw, the high-voltage switch cabinet main body (1) comprises a low-voltage chamber (6), a breaker chamber (7), a cable chamber (8) and a bus chamber (9), the bus chamber (9) is arranged on one side of the low-voltage chamber (6), the breaker chamber (7) is arranged below the low-voltage chamber (6), the cable chamber (8) is arranged below the breaker chamber (7) and the bus chamber (9), a bus sleeve (3) is arranged inside the bus chamber (9), and the bus sleeve (3) extends to the side face of the high-voltage switch cabinet main body (1), the middle section of the bus sleeve (3) is provided with a bus plywood (2), and the bus sleeve (3) is connected with the high-voltage switch cabinet main body (1) through the bus plywood (2).

2. An electrical digital high-voltage switchgear, according to claim 1, characterized in that: the inside of circuit breaker room (7) is provided with circuit breaker unit (14), and circuit breaker unit (14) passes through bolted connection with circuit breaker room (7), the outside of circuit breaker unit (14) is provided with insulator (12), and insulator (12) and circuit breaker unit (14) electric connection.

3. An electrical digital high-voltage switchgear, according to claim 2, characterized in that: the insulator (12) extends to the interior of the bus chamber (9) and the cable chamber (8), and a metal guide frame (13) is arranged at the other end of the insulator (12).

4. An electrical digital high-voltage switchgear, according to claim 3, characterized in that: the inside of cable chamber (8) is provided with junction box (10), and the opposite side of cable chamber (8) is provided with earthing switch (15), junction box (10) and insulator (12) and earthing switch (15) electric connection, earthing switch's (15) below is provided with wiring tower (11).

5. An electrical digital high-voltage switchgear, according to claim 1, characterized in that: the inside of low-pressure chamber (6) is provided with instrument ladder frame (18), and instrument ladder frame (18) pass through screw connection with high tension switchgear main part (1), instrument ladder frame (18) set up to cascaded structure.

6. An electrical digital high-voltage switchgear, according to claim 5, characterized in that: the opposite side of instrument ladder frame (18) is provided with heat dissipation rack (16), the surface of heat dissipation rack (16) is provided with bus switch (17), and bus switch (17) pass through the screw connection with heat dissipation rack (16).