12kV-630A flexible magnetic control environment-friendly gas insulation ring main unit

Abstract

The utility model provides a 12kV-630A flexible magnetic control environment-friendly gas insulation ring main unit, which comprises a box body, an instrument chamber arranged on the top of the box body, a mechanism chamber arranged on the front side of the box body, a gas box chamber arranged behind the mechanism chamber, a cable chamber arranged below the gas box chamber, a plurality of groups of environment-friendly switch assemblies arranged in the gas box chamber, and the plurality of groups of environment-friendly switch assemblies share one gas box chamber. An environment-friendly switch assembly is arranged in the gas tank chamber, an isolation plate is arranged between the adjacent environment-friendly switch assembly, the top of the gas tank chamber is provided with an expansion bus, the expansion bus extends into the gas tank chamber to be matched with the environment-friendly switch assembly, and the expansion bus comprises a connecting piece used for being matched with the remote environment-friendly switch assembly. Due to the structural design of sharing the air box and the cabinet body, the use cost is saved, and the use performance of the product is ensured; the box bodies are connected in a bus expansion mode, each SF6 insulation gas box can be expanded freely on the left side and the right side, the SF6 insulation gas boxes can be arranged freely according to different design schemes, and different configuration requirements are met.

Description

Technical Field

[0001] The utility model belongs to the technical field of ring network cabinets, and particularly relates to a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring network cabinet. Background Art

[0002] The gas box of the gas cabinet is usually set up separately, that is, each gas box contains only one electrical function part, such as load switch cabinet, circuit breaker cabinet, combined electrical cabinet, etc. When the gas cabinet is expanded, multiple gas boxes are usually connected together, and adjacent sheet metal parts are removed to form a large box, so that multiple electrical function parts are installed in the same large box. This large box structure is also called a common box type gas box.

[0003] As the core component of the ring main unit, the structure and manufacturing of the gas box will have a direct impact on the safe and reliable operation of the ring main unit; the insulation strength of SF6 gas is twice that of air. By saving space and reducing building area, better economic benefits can be achieved, thus proposing a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit.

[0004] Therefore, in the spirit and concept of seeking excellence, with the assistance of professional knowledge and experience, and after many ingenuity and experiments, the present utility model was created, and a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit is provided. Utility Model Content

[0005] The utility model provides a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring network cabinet, which solves the problems in the prior art.

[0006] The technical solution of the utility model is implemented as follows: a 12kV-630A flexible magnetically controlled environmentally friendly gas-insulated ring main unit, comprising: a box body, an instrument room is arranged on the top of the box body, a mechanism room is arranged on the front, an air box room is arranged behind the mechanism room, and a cable room is arranged below the air box room;

[0007] A plurality of sets of environmental protection switch components are arranged in the gas box chamber, and the plurality of sets of environmental protection switch components share one gas box chamber, and an isolation plate is arranged between the environmental protection switch components and adjacent environmental protection switch components.

[0008] As a preferred implementation of a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit, the box body is formed by bending and welding a 3mm thick stainless steel plate, and a corresponding set of reinforcing ribs are welded on both sides of the box body.

[0009] As a preferred implementation of a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit, a group of two reinforcing ribs are located in the gas box chamber.

[0010] By adopting the above scheme, the air box, as the core component of the ring main unit, can increase its strength by adding reinforcing ribs, thereby reducing the deformation of the air box when inflated, avoiding the problem of air box deformation caused by excessive internal inflation pressure.

[0011] As a preferred implementation of a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit, the environmentally friendly switch assembly comprises a three-position isolating switch and a circuit breaker, and the circuit breaker has a copper rod for connecting the outlet bushing.

[0012] As a preferred implementation of a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit, the isolation plate is welded in the gas box chamber to separate the gas box chamber into at least two units.

[0013] As a preferred implementation of a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit, an extended bus is provided on the top of the gas box chamber, the extended bus extends into the gas box chamber and cooperates with the environmentally friendly switch assembly, and the extended bus includes a connecting piece for cooperating with the long-distance environmentally friendly switch assembly.

[0014] With the above solution, the boxes are connected in the form of extended busbars; each SF6 insulating gas box can be extended arbitrarily on the left or right side and arranged arbitrarily according to different design schemes to achieve different configuration requirements.

[0015] After adopting the above technical scheme, the beneficial effects of the utility model are as follows: the utility model proposes a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring network cabinet, which adopts a shared gas box and a shared cabinet structure design, saves the use cost, ensures the product performance, and secondly increases a certain strength and reduces the deformation of the gas box when inflated; the cabinet is connected in the form of an extended busbar, and each SF6 insulating gas box can be arbitrarily expanded on the left and right sides, and can be arranged arbitrarily according to different design schemes to achieve different configuration requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 This is the main view of the structure of the 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit of the utility model;

[0018] Figure 2 This is a side view of the structure of the 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit of the utility model;

[0019] Figure 3 This is a side view of the internal structure of the air box chamber of the utility model;

[0020] Figure 4 This is a rear view of the internal structure of the air box chamber of the utility model;

[0021] In the figure, 1-box; 2-instrument room; 3-mechanism room; 4-cable room; 5-gas box room; 6-reinforcement rib; 7-environmental switch; 8-copper rod; 9-outlet bushing; 10-isolation board. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-4 As shown, a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit comprises: a box body 1, an instrument room 2 is arranged on the top of the box body 1, a mechanism room 3 is arranged on the front, an air box room 5 is arranged behind the mechanism room 3, and a cable room 4 is arranged below the air box room 5;

[0024] A plurality of sets of environmental protection switch components are arranged in the air box chamber 5, and the plurality of sets of environmental protection switch components share one air box chamber 5, and an isolation plate 10 is arranged between the environmental protection switch components and adjacent environmental protection switch components.

[0025] Furthermore, the box body 1 is formed by bending and welding a 3 mm thick stainless steel plate, and a corresponding group of reinforcing ribs 6 are welded on both sides of the inner and outer sides of the box body 1. A group of two reinforcing ribs 6 are located in the air box chamber 5. The air box is the core component of the ring network cabinet. By adding reinforcing ribs 6, its strength can be increased, thereby reducing the deformation of the air box during inflation and avoiding the problem of air box deformation due to excessive internal inflation pressure.

[0026] Furthermore, the environmental protection switch assembly includes a three-position isolating switch and a circuit breaker, and the circuit breaker is provided with a copper rod 8 for connecting the outlet bushing 9.

[0027] Furthermore, the isolation plate 10 is welded inside the air box chamber 5 to separate the air box chamber 5 into at least two units.

[0028] Furthermore, an extended busbar is provided on the top of the gas box chamber 5, and the extended busbar extends into the gas box chamber 5 to cooperate with the environmental protection switch assembly. The extended busbar includes a connecting piece for cooperating with the long-distance environmental protection switch assembly, and the box body 1 is connected in the form of an extended busbar; each SF6 insulating gas box can be expanded arbitrarily on the left or right side, and can be arranged arbitrarily according to different design schemes to achieve different configuration requirements.

[0029] The utility model provides a 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring network cabinet, which adopts a shared gas box and a shared cabinet structure design, thereby saving use costs and ensuring product performance.

[0030] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit, characterized in that: include: A box body (1), wherein an instrument room (2) is arranged on the top of the box body (1), a mechanism room (3) is arranged on the front, an air box room (5) is arranged behind the mechanism room (3), and a cable room (4) is arranged below the air box room (5); A plurality of sets of environmental protection switch components are arranged in the air box chamber (5), the plurality of sets of environmental protection switch components share one air box chamber (5), and an isolation plate (10) is arranged between the environmental protection switch components and adjacent environmental protection switch components.

2. A 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit according to claim 1, characterized in that: The box body (1) is made of 3 mm thick stainless steel plates that are bent and then welded, and a corresponding set of reinforcing ribs (6) are welded on both the inner and outer sides of the box body (1).

3. A 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit according to claim 2, characterized in that: The reinforcing ribs (6) are a group of two located in the air box chamber (5).

4. A 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit according to claim 1, characterized in that: The environmental switch assembly comprises a three-position isolating switch and a circuit breaker, wherein the circuit breaker comprises a copper rod (8) for connecting an outlet bushing (9).

5. A 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit according to claim 1, characterized in that: The isolation plate (10) is welded inside the air box chamber (5) to separate the air box chamber (5) into at least two units.

6. A 12kV-630A flexible magnetically controlled environmentally friendly gas insulated ring main unit according to claim 1, characterized in that: An extended busbar is arranged on the top of the gas box chamber (5), and the extended busbar extends into the gas box chamber (5) to cooperate with the environmental protection switch assembly. The extended busbar includes a connecting piece for cooperation with the remote environmental protection switch assembly.

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