CN216489411U - Insulator, gas-insulated metal-enclosed switchgear and power system - Google Patents
Insulator, gas-insulated metal-enclosed switchgear and power system Download PDFInfo
- Publication number
- CN216489411U CN216489411U CN202123352064.2U CN202123352064U CN216489411U CN 216489411 U CN216489411 U CN 216489411U CN 202123352064 U CN202123352064 U CN 202123352064U CN 216489411 U CN216489411 U CN 216489411U
- Authority
- CN
- China
- Prior art keywords
- flange
- insulator
- sealing ring
- sealing
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides an insulator, a gas insulated metal enclosed switchgear and an electric power system, which comprises an insulator body, wherein a first flange is arranged on the insulator body; a sealing ring placing groove is formed in the first flange, and an adhesive injection sealing groove is formed in the outer side of the sealing ring placing groove; the first flange is provided with a glue injection port communicated with the glue injection sealing groove; the GIS equipment user appearance antifouling basin-type insulator designed in the utility model adopts a double-layer protection sealing design, and compared with the conventional basin-type insulator, an adhesive injection sealing groove for preventing pollution is added; the sealing ring of the GIS equipment can be protected, the influence of severe environments such as dirt, humidity and the like is avoided, the service life of the sealing ring can be prolonged, and power failure and accidents caused by air leakage due to aging of the sealing ring are prevented to a certain extent; the reliability of power supply is improved, the overhaul is reduced, and the investment of manpower and material resources is saved.
Description
Technical Field
The utility model belongs to the technical field of the electric power system is relevant, concretely relates to insulator and gas insulated metal enclosed switchgear and electric power system.
Background
The GAS INSULATED metal enclosed switchgear (GAS INSULATED SWITCHGEAR, GIS) is suitable for power systems with rated voltage of more than 110kV, and is used for controlling, protecting, switching lines and measuring power plants, substations and power lines; all the components with high voltage of the product are arranged in a sealed metal shell; when the equipment is operated, Sulfur Hexafluoride (SF 6) gas with certain pressure is filled inside the equipment; among engineering products, GIS equipment is often used in coastal and environmentally polluted areas, and outdoor products are seriously influenced by wind, rain, humidity and pollution because the outdoor products are directly exposed in the atmosphere; this creates a significant challenge to the sealing performance of GIS devices.
The inventor finds that the existing GIS equipment sealing design is a design of assembling a sealing ring by adopting a sealing groove, and can only meet the requirement of SF6 gas sealing; the sealing ring can not play a role in preventing moisture and dirt, and is exposed outdoors for a long time, so that the aging and the damage of the sealing ring are accelerated, and air leakage is generated, so that power failure maintenance and replacement of the sealing ring are forced; this causes frequent maintenance and power outages, resulting in waste of manpower and material resources.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an insulator, a gas insulated metal enclosed switchgear and a power system, compared with the conventional basin-type insulator, the insulator for GIS equipment designed in the utility model is added with an antifouling design; the sealing ring of the GIS equipment can be protected, the effects of dirt resistance and moisture resistance are achieved, and the service life of the sealing ring is prolonged; the problems of frequent power failure, maintenance and the like caused by air leakage due to aging of the sealing ring are prevented.
According to some embodiments, the utility model discloses a first aspect provides an insulator, adopts following technical scheme:
an insulator comprises an insulator body, wherein a first flange is arranged on the insulator body;
a sealing ring placing groove is formed in the first flange, and an adhesive injection sealing groove is formed in the outer side of the sealing ring placing groove;
and the first flange is provided with a glue injection port communicated with the glue injection sealing groove.
Further, the insulator is a basin-type insulator.
Furthermore, a plurality of bolt holes are formed in the first flange.
Further, the glue injection port is arranged on the side face of the first flange.
According to some embodiments, the utility model discloses a second aspect provides a gas insulated metal enclosed switchgear, adopts following technical scheme:
a gas-insulated metal-enclosed switchgear comprising at least a housing and an insulator as described in the first aspect;
and a second flange is arranged on the shell and connected with the first flange.
Further, a sealing ring is arranged in the sealing ring placing groove.
Furthermore, a sealant is arranged in the glue injection sealing groove.
Furthermore, a plurality of bolt holes are formed in the second flange.
Further, the first flange is connected with the second flange through bolts.
According to some embodiments, the utility model discloses a third aspect provides an electric power system, adopts following technical scheme:
an electric power system comprising a gas-insulated metal-enclosed switchgear device as described in the second aspect.
Compared with the prior art, the beneficial effects of the utility model are that:
the GIS equipment user appearance antifouling basin-type insulator designed in the utility model adopts a double-layer protection sealing design, and compared with the conventional basin-type insulator, an adhesive injection sealing groove for preventing pollution is added; the sealing ring of the GIS equipment can be protected, the influence of severe environments such as dirt, humidity and the like is avoided, the service life of the sealing ring can be prolonged, and power failure and accidents caused by air leakage due to aging of the sealing ring are prevented to a certain extent; the reliability of power supply is improved, the overhaul is reduced, and the investment of manpower and material resources is saved.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of embodiment 2 of the present invention;
wherein: 1. insulator body, 11, injecting glue seal groove, 12, injecting glue mouth, 13, sealing washer standing groove, 14, first flange, 2, casing, 21, second flange, 22, bolt.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1:
FIG. 1 is a schematic view of a portion of a insulator after connection; as shown in fig. 1, the present embodiment provides an insulator, including an insulator body 1, where a first flange 14 is disposed on the insulator body 1;
a sealing ring placing groove 13 is formed in the first flange 14, and a glue injection sealing groove 11 is formed in the outer side of the sealing ring placing groove;
and a glue injection port 12 communicated with the glue injection sealing groove 11 is formed in the first flange 14.
In the embodiment, a double-layer protection sealing design is adopted, a sealing ring placing groove 13 is arranged on the inner side of the insulator, and a sealing ring can be assembled in the sealing ring placing groove 13; after the inner side sealing ring placing groove 13 is assembled with the sealing ring, the air tightness requirement of SF6 is mainly ensured; and a glue injection sealing groove 11 is arranged on the outer side of the insulator, and sealant needs to be injected after the assembly is completed due to self sealing, so that the aims of preventing dirt and humidity are fulfilled.
In the embodiment, the insulator is a GIS device user exterior anti-pollution basin-type insulator; in other embodiments, the type of the insulator may be set and selected according to actual requirements.
In this embodiment, the first flange 14 is provided with a plurality of bolt holes; a plurality of bolt holes can carry out evenly distributed along circumference, guarantee the leakproofness after connecting.
In this embodiment, the glue injection port 12 is disposed on a side surface of the first flange 14; the flange is arranged on the side surface of the first flange 14, and is beneficial to glue injection operation.
Example 2:
FIG. 1 is a partial schematic view of portion A of FIG. 2; as shown in fig. 1 and 2, the present embodiment provides a gas insulated metal enclosed switchgear, comprising at least a housing 2 and an insulator as described in embodiment 1; the other components and structures included in the gas insulated metal enclosed switchgear are conventional arrangements or prior art and will not be described in detail herein;
a second flange 21 is arranged on the housing 2, and the second flange 21 is connected with the first flange 14.
In this embodiment, a seal ring is disposed in the seal ring placement groove 13; sealant is arranged in the glue injection sealing groove 11; through the arrangement of the sealing ring and the sealant, double-layer sealing after flange connection is realized; it will be appreciated that the sealing ring may be a rubber ring with a certain elasticity, and the sealing glue may be injected through the sealing opening 12.
In this embodiment, a plurality of bolt holes are provided on the second flange 21; it will be appreciated that the number of bolt holes in the second flange 21 is the same as the number of bolt holes in the first flange 14, and the corresponding bolt holes are arranged coaxially.
In this embodiment, the first flange 14 is connected to the second flange 21 by bolts 22.
The working principle or process of the embodiment is as follows:
when in connection, the sealing ring is firstly placed in the sealing ring placing groove 13, and then the second flange 21 on the shell 2 is connected with the first flange 14 through the bolt 22;
after the sealing ring is placed in the sealing ring placing groove 13, one part of the sealing ring is positioned outside the sealing ring placing groove 13, and after the second flange 21 is tightly connected with the first flange 14, the sealing ring positioned outside the sealing ring placing groove 13 is compressed, so that a first layer of sealing effect is realized;
after the second flange 21 is tightly connected with the first flange 14, glue is injected into the glue injection sealing groove 11 through the glue injection port, and after the whole glue injection sealing groove 11 is filled with sealant, the glue injection is stopped, so that the sealing effect of a second layer is realized; the sealant can be an existing product, for example, the sealant can be a sealant which can be solidified after glue injection according to a certain time lapse;
it should be noted that, on the connection face of the second flange 21, a sealing ring placing groove and a glue injection sealing groove corresponding to the first flange 14 may be provided, so as to facilitate the placing of the sealing ring and the injection of the sealing glue.
Example 3:
the present embodiment provides an electric power system including the gas-insulated metal-enclosed switchgear as described in embodiment 2; the overall arrangement of the power system and the arrangement of the gas-insulated metal-enclosed switchgear in the whole power system can be realized by the prior art or conventional arrangements, and the detailed description is omitted here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An insulator is characterized by comprising an insulator body, wherein a first flange is arranged on the insulator body;
a sealing ring placing groove is formed in the first flange, and an adhesive injection sealing groove is formed in the outer side of the sealing ring placing groove;
and the first flange is provided with a glue injection port communicated with the glue injection sealing groove.
2. An insulator according to claim 1, wherein the insulator is a basin insulator.
3. An insulator according to claim 1, wherein a plurality of bolt holes are provided in the first flange.
4. An insulator according to claim 1, wherein the glue injection opening is provided on a side surface of the first flange.
5. Gas-insulated metal-enclosed switchgear, characterized in that it comprises at least a housing and an insulator according to any of claims 1-4;
and a second flange is arranged on the shell and connected with the first flange.
6. The gas insulated metal enclosed switchgear according to claim 5, wherein a packing is provided in the packing placement groove.
7. The gas-insulated metal-enclosed switchgear according to claim 5, wherein said glue-injection sealing groove is provided with a sealant.
8. The gas insulated metal enclosed switchgear of claim 5, wherein a plurality of bolt holes are provided on the second flange.
9. The gas insulated metal enclosed switchgear of claim 8, wherein the first flange is connected to the second flange by bolts.
10. An electric power system comprising a gas insulated metal enclosed switchgear according to any of claims 5-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123352064.2U CN216489411U (en) | 2021-12-28 | 2021-12-28 | Insulator, gas-insulated metal-enclosed switchgear and power system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123352064.2U CN216489411U (en) | 2021-12-28 | 2021-12-28 | Insulator, gas-insulated metal-enclosed switchgear and power system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216489411U true CN216489411U (en) | 2022-05-10 |
Family
ID=81430072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202123352064.2U Active CN216489411U (en) | 2021-12-28 | 2021-12-28 | Insulator, gas-insulated metal-enclosed switchgear and power system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216489411U (en) |
-
2021
- 2021-12-28 CN CN202123352064.2U patent/CN216489411U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN200944370Y (en) | Double sealing structure for sulfur hexafluoride breaker | |
CN102044849A (en) | Box-sharing gas-insulated metal enclosed switching device | |
CN201247723Y (en) | Maintenance-free and reinforced insulation solid sealed pole | |
CN216489411U (en) | Insulator, gas-insulated metal-enclosed switchgear and power system | |
CN210577371U (en) | Environment-friendly gas insulation ring main unit | |
CN201576888U (en) | Operation box rainproof cover for isolation switching mechanism | |
CN208767761U (en) | The mounting rack of metal oxide arrester | |
CN201532895U (en) | Insulated air flange quick leakage stopper | |
CN212136361U (en) | Sealed manufacturing device for SF6 pole-mounted circuit breaker insulating sleeve | |
CN212676763U (en) | Novel horizontal SF6 gas insulation totally enclosed type neutral point intelligent protection device | |
CN210489514U (en) | Modularized three-phase independent solid insulated switch | |
CN211480732U (en) | Aerify cubical switchboard's solid utmost point post that seals | |
CN209309519U (en) | A kind of anti-leak flange apparatus | |
CN200979976Y (en) | A hard and dry terminal head of a high voltage cable | |
CN209119671U (en) | Environmentally friendly gas insulation switch cabinet | |
CN210297039U (en) | Box-type substation door seal structure | |
CN217086457U (en) | Solid-sealed indoor high-voltage vacuum circuit breaker | |
CN219393254U (en) | Combined medium-voltage vacuum circuit breaker | |
CN216284905U (en) | Power transmission and transformation equipment thing networking type SF6 little water measuring transducer | |
CN210296247U (en) | Sealing structure suitable for outdoor 10kV SF6 circuit breaker | |
CN219778765U (en) | Sulfur hexafluoride circuit breaker double-sealing structure | |
CN216215417U (en) | Environment-friendly inflatable cabinet air box device | |
CN202142806U (en) | Leakage-proof plate of electric power | |
CN202534967U (en) | Nut tight-splicing type leakage prevention plate | |
CN220914751U (en) | Insulating cylinder with grounded surface |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |