CN210016171U - GIS equipment - Google Patents

Abstract

The utility model discloses a GIS equipment, which comprises a housin, the inside of casing is provided with the main cavity, one side of main cavity is provided with attaches the chamber, attach and be provided with the flange on the chamber, be provided with on the internal surface of flange with the sensor is put in main cavity complex office, still be provided with annular buckle on the internal surface of flange, annular buckle along circumference set up in the outside that the sensor was put in the office, annular buckle with form annular clamping groove between the internal surface of flange, be provided with the annular drying container who is equipped with the drier in the annular clamping groove. The GIS equipment has fewer internal cavities of the shell and more simplified component structure.

Description

GIS equipment

Technical Field

The utility model relates to a high-pressure gas insulated metal enclosed switchgear technical field that is relevant, in particular to GIS equipment.

Background

In the current GIS (GAS insulated switch) equipment structure, in order to ensure the drying of the insulating GAS, a drying ring needs to be designed in the equipment GAS chamber, and in order to monitor whether the internal insulation of the equipment has defects, a partial discharge sensor needs to be additionally installed.

In actual working conditions, because the leading-out of the partial discharge signal needs to lead the signal receiving device to a main cavity of a metal shell of the gas insulated metal enclosed switchgear, an auxiliary cavity is mostly added on the metal shell for installing a partial discharge sensor device; meanwhile, as the air chamber needs a certain amount of drying agent, an additional cavity needs to be additionally arranged outside the main cavity of the metal shell of the gas insulated metal-enclosed switchgear for assembling a drying agent device. Obviously, the realization of above-mentioned two kinds of functions need to design more in metal casing and attach the chamber, and this can restrict the cavity overall arrangement in the metal casing undoubtedly, and drier device and partial discharge sensor device all need the sealed of sealing washer to increase the sealed link of equipment, this obviously can further increase GIS equipment's whole part quantity, make equipment whole subassembly structure more complicated, relevant operation processes such as subassembly dismouting are more complicated.

Therefore, how to optimize the internal structure of the GIS device, reduce the number of internal chambers of the housing thereof, and simplify the component structure thereof is an important technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a GIS equipment, this GIS equipment's the inside cavity quantity of casing is less, and its subassembly structure is comparatively retrencied.

For solving the technical problem, the utility model provides a GIS equipment, which comprises a housin, the inside of casing is provided with the main cavity, one side of main cavity is provided with attaches the chamber, attach and be provided with the flange on the chamber, be provided with on the internal surface of flange with the sensor is put in main cavity complex office, still be provided with annular buckle on the internal surface of flange, annular buckle along circumference set up in the outside that the sensor was put in the office, annular buckle with form annular clamping groove between the internal surface of flange, be provided with the annular drying container who is equipped with the drier in the annular clamping groove.

Preferably, the outer wall of the annular buckle and the inner wall of the annular buckle are tightly attached to the annular drying container.

Preferably, the outer wall of the annular buckle has a gap with the inner surface of the flange along the axial direction of the flange.

Preferably, the length of the outer wall of the annular buckle along the axial direction of the flange is larger than the radius of the annular drying container.

Preferably, the annular drying container is an air-permeable annular nylon bag.

Preferably, the inner diameter of the annular buckle is larger than the outer diameter of the partial discharge sensor, and the height of the annular buckle relative to the inner surface of the flange is smaller than the height of the partial discharge sensor relative to the inner surface of the flange.

Preferably, a sealing ring is embedded between the flange and the housing.

Preferably, the partial discharge sensor and the flange are of an integrated structure.

Preferably, the flange and the shell, and the annular buckle and the flange are fastened through bolts.

Compared with the prior art, the utility model provides a GIS equipment, in its assembly use, through putting the sensor in office and being equipped with the annular drying container integration of drier in attaching chamber department to utilize the flange to provide the assembly basis for relevant subassemblies such as annular buckle, effectively simplified the inner structure of casing, reduced the inside cavity of casing and part quantity, make the inner structure of GIS equipment can corresponding optimization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a GIS device according to an embodiment of the present invention;

fig. 2 is a partial structure enlarged view of a portion a in fig. 1.

The device comprises a shell 11, a main cavity 111, an auxiliary cavity 112, a flange 12, a sealing ring 121, a partial discharge sensor 13, an annular buckle 14, an annular clamping groove 141, an annular buckle 142, an annular buckle inner wall 143, a gap 144 and an annular drying container 15.

Detailed Description

The core of the utility model is to provide a GIS equipment, this GIS equipment's the inside cavity quantity of casing is less, and its subassembly structure is comparatively retrencied.

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a GIS device according to an embodiment of the present invention; fig. 2 is a partial structure enlarged view of a portion a in fig. 1.

In particular embodiment, the utility model provides a GIS equipment, including casing 11, casing 11's inside is provided with main cavity 111, one side of main cavity 111 is provided with attaches chamber 112, attach and be provided with flange 12 on the chamber 112, be provided with on the internal surface of flange 12 and put sensor 13 with main cavity 111 complex office, still be provided with annular buckle 14 on the internal surface of flange 12, annular buckle 14 sets up in the outside that sensor 13 was put in the office along circumference, form annular clamping groove 141 between annular buckle 14 and flange 12's internal surface, be provided with the annular drying container 15 that is equipped with the drier in the annular clamping groove 141.

During assembly and use, the partial discharge sensor 13 and the annular drying container 15 filled with the drying agent are integrated at the auxiliary cavity 112, and the flange 12 is used for providing an assembly basis for the annular buckle 14 and other related components, so that the internal structure of the shell 11 is effectively simplified, the number of cavities and components in the shell 11 is reduced, and the internal structure of the GIS equipment is correspondingly optimized.

It should be noted that, particularly in practical applications, the housing 11 is preferably made of metal to meet the structural strength and performance requirements of the GIS device.

Further, the outer wall 142 of the annular buckle and the inner wall 143 thereof are tightly attached to the annular drying container 15. This kind of closely laminated structure can further improve the assembly strength between annular drying container 15 and annular buckle 14, avoids equipment assembly to accomplish in the operation process after annular drying container 15 take place that the structure is not hard up or misplace, guarantees the subassembly structural reliability of GIS equipment.

Specifically, the outer wall 142 of the annular snap has a gap 144 between the inner surface of the flange 12 and the axial direction of the flange 12. The gap 144 enables a certain structural buffering and deformation allowance to exist between the annular buckle 14 and the flange 12, so that the assembly and equipment operation requirements under different working conditions are met, the drying agent in the annular drying container 15 is ensured to be capable of fully drying the surrounding gas environment, and the working performance of relevant components such as the partial discharge sensor 13 is ensured.

More specifically, the length of the outer wall 142 of the annular buckle along the axial direction of the flange 12 is greater than the radius of the annular drying container 15, and referring to the corresponding matter as shown in fig. 2, the length of the outer wall 142 of the annular buckle along the axial direction of the flange 12 is C, the diameter of the annular drying container 15 is phid, the radius of the annular drying container 15 is 1/2 phid, and the dimensional relationship can be expressed as C > 1/2 phid. This size structure relative relation can fully guarantee annular buckle 14 to annular drying container 15 reliable spacing fixed, makes annular drying container 15's major structure all be located annular buckle 14's assembly space to annular drying container 15 takes place not hard up or dislocation.

Further, the annular drying container 15 is an air-permeable annular nylon bag. The nylon bag is light, firm and flexible in material, can fully satisfy the requirements of the GIS equipment for containing the drying agent and assembling and using the drying agent with the annular buckle 14 and other related components, and can fully ensure that the drying agent inside is in contact with the external environment through the ventilation structure, so that the corresponding environment drying effect is improved.

On the other hand, the inner diameter of the annular buckle 14 (i.e., Φ a shown in fig. 1) is larger than the outer diameter of the partial discharge sensor 13 (i.e., Φ B shown in fig. 1), and the height of the annular buckle 14 relative to the inner surface of the flange 12 (i.e., F shown in fig. 1) is smaller than the height of the partial discharge sensor 13 relative to the inner surface of the flange 12 (i.e., E shown in fig. 1). The corresponding size relation can be expressed as phi A > phi B and F < E, and the size relative relation can fully avoid the annular buckle 14 and related components thereof from generating structural interference on the partial discharge sensor 13, so that the stable and reliable operation of the partial discharge sensor 13 is ensured.

Further, a seal ring 121 is fitted between the flange 12 and the housing 11. This sealing washer 121 can fully guarantee the structural seal between flange 12 and casing 11, avoids inside dust and the impurity entering casing 11 among the external environment and produces adverse effect to relevant subassembly, guarantees the reliable and stable operation of each inside subassembly of casing 11. Simultaneously, only need set up above-mentioned single sealing washer 121 between flange 12 in this application and casing 11 and can accomplish the sealed work of response subassembly, for prior art, this application greatly reduced the quantity of sealing members such as sealing washer 121, simplified GIS equipment's subassembly structure has optimized its inside assembly space.

In addition, the partial discharge sensor 13 and the flange 12 are of an integral structure. The integrated structure can further ensure the structural reliability and the assembly strength between the partial discharge sensor 13 and the flange 12, and correspondingly improve the reliability of the overall structure of the GIS equipment.

In addition, the flange 12 and the housing 11, and the annular buckle 14 and the flange 12 are fastened by bolts. In consideration of the assembly space between the annular buckle 14 and the flange 12, screws may be used as the fasteners between the annular buckle 14 and the flange 12. The fastening structure of the bolt and the screw is simple and reliable, the dismounting operation is simple, convenient and efficient, and the assembly and use requirements of related components of the GIS equipment can be fully met.

In conclusion, the utility model provides a GIS equipment, in its assembly use, through put the sensor in the office and be equipped with the annular drying container integration of drier in attaching chamber department to utilize the flange to provide the assembly basis for relevant subassemblies such as annular buckle, effectively simplified the inner structure of casing, reduced the inside cavity of casing and part quantity, make GIS equipment's inner structure can corresponding optimization.

It is right above the utility model provides a GIS equipment has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (9)

1. A GIS device, characterized by: the novel drying device comprises a housin, the inside of casing is provided with the main cavity, one side of main cavity is provided with attaches the chamber, it is provided with the flange on the chamber to attach, be provided with on the internal surface of flange with the sensor is put in main cavity complex office, still be provided with annular buckle on the internal surface of flange, annular buckle along circumference set up in the outside of sensor is put in the office, annular buckle with form annular clamping groove between the internal surface of flange, be provided with the annular drying container who is equipped with the drier in the annular clamping groove.

2. The GIS device of claim 1, wherein: the outer wall and the inner wall of the annular buckle are tightly attached to the annular drying container.

3. The GIS device of claim 2, wherein: the outer wall of the annular buckle is provided with a gap between the inner surface of the flange and the axial direction of the flange.

4. The GIS device of claim 3, wherein: the length of the outer wall of the annular buckle along the axial direction of the flange is larger than the radius of the annular drying container.

5. The GIS device of claim 1, wherein: the annular drying container is a breathable annular nylon bag.

6. The GIS device of claim 1, wherein: the inner diameter of the annular buckle is larger than the outer diameter of the partial discharge sensor, and the height of the annular buckle relative to the inner surface of the flange is smaller than the height of the partial discharge sensor relative to the inner surface of the flange.

7. The GIS device of claim 1, wherein: and a sealing ring is embedded between the flange and the shell.

8. The GIS device of claim 1, wherein: the partial discharge sensor and the flange are of an integrated structure.

9. The GIS device of claim 1, wherein: the flange and the shell, and the annular buckle and the flange are fastened through bolts.

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