CN219436357U - Structure for reducing gas water content in GIS lightning arrester - Google Patents

Structure for reducing gas water content in GIS lightning arrester Download PDF

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Publication number
CN219436357U
CN219436357U CN202222545486.XU CN202222545486U CN219436357U CN 219436357 U CN219436357 U CN 219436357U CN 202222545486 U CN202222545486 U CN 202222545486U CN 219436357 U CN219436357 U CN 219436357U
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CN
China
Prior art keywords
gis
gas
lightning arrester
arrester body
molecular sieve
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Application number
CN202222545486.XU
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Chinese (zh)
Inventor
徐东
李豪
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Jiangsu Zhenggang Power Equipment Co ltd
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Jiangsu Zhenggang Power Equipment Co ltd
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Priority to CN202222545486.XU priority Critical patent/CN219436357U/en
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Abstract

The utility model discloses a structure for reducing the water content of gas in a GIS arrester, which comprises a GIS arrester body, a flange plate arranged on the GIS arrester body and an inflation valve arranged on the flange plate for inflation and deflation, wherein an arc-shaped cavity is arranged on one surface of the flange plate facing the GIS arrester body, molecular sieve drying agents for fully absorbing the water in the gas are arranged in the arc-shaped cavity, and the arc-shaped cavity is isolated from the cavity of the GIS arrester body through a sieve plate. Through the mode, the utility model has the advantages of simple structure and ingenious design, reduces the time of exposing the molecular sieve in the air, can fully absorb the moisture in the gas, improves the water absorption efficiency of the molecular sieve, and reduces the moisture content of the gas.

Description

Structure for reducing gas water content in GIS lightning arrester
Technical Field
The utility model relates to the technical field of breaker switches, in particular to a structure for reducing the water content of gas in a GIS lightning arrester.
Background
The GIS is a gas-insulated metal fully-enclosed combined electrical appliance, which is called GIS for short, and because the main elements such as a breaker, a disconnecting switch, a grounding switch, a mutual inductor, a lightning arrester, a bus, a connecting piece and the like are all arranged in a sealed metal container, namely a shell, the gas-insulated metal fully-enclosed combined electrical appliance is organically combined into a whole through optimizing design, and SF6 insulating gas with certain pressure is filled in the gas-insulated metal fully-enclosed combined electrical appliance, the gas-insulated metal fully-enclosed combined electrical appliance has the advantages of compact structure, small volume, light weight, small occupied area, high reliability, flexible configuration, convenient installation, high safety, strong environmental adaptation, small maintenance workload, long service life and the like, is popular with vast electric power users, has very rapid development and is widely applied to modern power grids around the world in recent years.
Because the arrester has nonlinear characteristic, the arrester needs to be subjected to insulation withstand voltage test, sealing, vacuumizing and inflating are needed, then the test is carried out, the requirement on the internal moisture content of the GIS arrester is extremely high, the molecular sieve 02 is mostly installed on the bottom plate 01 in the current GIS arrester design process, as shown in figure 1, in the installation process of the GIS arrester, each device on the bottom plate is firstly installed, the molecular sieve is always exposed to the air in the installation process, the molecular sieve has better water absorption, the molecular sieve can lose efficacy after being exposed to the air for thirty minutes, a shell is installed after the GIS arrester, the performance of the molecular sieve is greatly influenced before the GIS arrester is sealed, the moisture absorption performance is reduced, in addition, the gas is firstly filled in the inner cavity when the GIS arrester is inflated and deflated, the molecular sieve starts to absorb moisture, the gas diffusion is slower, and the molecular sieve absorbs moisture slowly and thoroughly.
Based on the above defects and shortcomings, it is necessary to improve the prior art and design a structure for reducing the water content of gas in a GIS lightning arrester.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the structure for reducing the water content of the gas in the GIS lightning arrester, which has the advantages of simple structure and ingenious design, reduces the exposure time of the molecular sieve in the air, can fully absorb the moisture in the gas, improves the water absorption efficiency of the molecular sieve, and reduces the moisture content of the gas.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a structure for reducing gaseous moisture content in GIS arrester, this kind of structure for reducing gaseous moisture content in GIS arrester includes including the GIS arrester body, install flange board on the GIS arrester body, install in be used for charging and discharging the inflation valve on the flange board, the flange board is provided with the arc chamber towards the one side of GIS arrester body, is equipped with the molecular sieve drier that is arranged in the arc chamber and fully absorbs gaseous moisture, and the cavity of arc chamber and GIS arrester body is kept apart through the sieve.
Preferably, the connection part of the GIS lightning arrester body and the flange plate is fixed through bolt locking.
Preferably, the connection surface of the GIS lightning arrester body and the flange plate is provided with a closed-loop sealing groove, a sealing ring is arranged in the sealing groove, and the sealing groove is positioned at the inner side of the bolt.
Preferably, the screen plate is arranged in a bending way around, and the bending part of the screen plate is locked and attached to the inner wall of the flange plate through screws.
Compared with the prior art, the utility model has the beneficial effects that:
the molecular sieve has a simple structure and ingenious design, reduces the exposure time of the molecular sieve in the air, can fully absorb moisture in the gas, improves the water absorption efficiency of the molecular sieve, and reduces the moisture content of the gas;
the flange board is detachably mounted on the GIS lightning arrester body, the sieve board is detachably mounted on the flange board, so that the maintenance is convenient, and the molecular sieve drying agent is convenient to replace.
Drawings
Fig. 1 is a schematic diagram of the installation of a molecular sieve in a conventional GIS lightning arrester.
Fig. 2 is a schematic diagram of a structure for reducing the water content of gas in a GIS lightning arrester.
01, mounting panel, 02, molecular sieve, 1, GIS arrester body, 2, flange board, 20, arc chamber, 3, inflation valve, 4, molecular sieve drier, 5, sieve, 00, seal groove.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 2, an embodiment of the present utility model includes:
the utility model provides a structure for reducing gaseous moisture content in GIS arrester, this kind of structure for reducing gaseous moisture content in GIS arrester includes GIS arrester body 1, install flange board 2 on GIS arrester body 1, install in be used for charging and discharging air inflation valve 3 on the flange board 2, the flange board 2 is provided with arc chamber 20 towards the one side of GIS arrester body 1, is equipped with in the arc chamber 20 and is used for fully absorbing the molecular sieve drier 4 of gaseous moisture, and arc chamber 20 and the cavity of GIS arrester body 1 are kept apart through sieve 5.
The connection part of the GIS lightning arrester body 1 and the flange plate 2 is fixed through a bolt lock, is fixed and fastened and can be detached, a sealing groove 00 which is closed-loop is arranged on the connection surface of the GIS lightning arrester body 1 and the flange plate 2, a sealing ring is arranged in the sealing groove, the sealing groove 00 is positioned on the inner side of a bolt, and the sealing structure ensures the inner tightness of the GIS lightning arrester.
The sieve plate 5 is arranged in a bending way, the bending part of the sieve plate 5 is locked and attached to the inner wall of the flange plate 2 through screws, and the sieve plate is detachable, so that the molecular sieve drying agent 4 can be replaced regularly.
According to the structure for reducing the water content of the gas in the GIS lightning arrester, other parts can be fully assembled in the assembling process, and finally, the flange component with the molecular sieve is installed, so that the time of exposing the molecular sieve drying agent 4 to air is shortened, the vacuumizing time is reduced, the working efficiency is improved, the gas enters from the charging valve 3 when charging and discharging, passes through the molecular sieve drying agent 4 and then enters the GIS lightning arrester body 1, and the gas completely passes through the molecular sieve drying agent 4 to fully absorb the water in the gas.
The structure for reducing the water content of the gas in the GIS lightning arrester is simple in structure, ingenious in design, capable of reducing the time of exposing the molecular sieve to the air, fully absorbing the moisture in the gas, improving the water absorption efficiency of the molecular sieve and reducing the moisture content of the gas.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (4)

1. A structure for reducing gaseous moisture content in GIS arrester, its characterized in that: including the GIS arrester body, install flange board on the GIS arrester body, install in be used for charging and discharging the inflation valve on the flange board, the flange board is provided with the arc chamber towards the one side of GIS arrester body, and the molecular sieve drier that is arranged in the arc intracavity and is arranged in fully absorbing gaseous moisture, and the cavity of arc chamber and GIS arrester body is kept apart through the sieve.
2. The structure for reducing the water content of gas in a GIS lightning arrester according to claim 1, wherein: the connection part of the GIS lightning arrester body and the flange plate is fixed through bolt locking.
3. A structure for reducing the water content of gas in a GIS lightning arrester according to claim 2, wherein: the GIS lightning arrester is characterized in that a sealing groove which is closed-loop is arranged on the connecting surface of the GIS lightning arrester body and the flange plate, a sealing ring is arranged in the sealing groove, and the sealing groove is positioned on the inner side of the bolt.
4. The structure for reducing the water content of gas in a GIS lightning arrester according to claim 1, wherein: the sieve plate is bent around, and the bending part of the sieve plate is locked and attached to the inner wall of the flange plate through screws.
CN202222545486.XU 2022-09-26 2022-09-26 Structure for reducing gas water content in GIS lightning arrester Active CN219436357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222545486.XU CN219436357U (en) 2022-09-26 2022-09-26 Structure for reducing gas water content in GIS lightning arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222545486.XU CN219436357U (en) 2022-09-26 2022-09-26 Structure for reducing gas water content in GIS lightning arrester

Publications (1)

Publication Number Publication Date
CN219436357U true CN219436357U (en) 2023-07-28

Family

ID=87340928

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222545486.XU Active CN219436357U (en) 2022-09-26 2022-09-26 Structure for reducing gas water content in GIS lightning arrester

Country Status (1)

Country Link
CN (1) CN219436357U (en)

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