CN211668877U - SF (gas insulated switchgear) of GIS (gas insulated switchgear) or HGIS (hybrid gas insulated switchgear)6Gas uninterrupted gas taking device - Google Patents
SF (gas insulated switchgear) of GIS (gas insulated switchgear) or HGIS (hybrid gas insulated switchgear)6Gas uninterrupted gas taking device Download PDFInfo
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- CN211668877U CN211668877U CN201921811236.8U CN201921811236U CN211668877U CN 211668877 U CN211668877 U CN 211668877U CN 201921811236 U CN201921811236 U CN 201921811236U CN 211668877 U CN211668877 U CN 211668877U
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Abstract
The utility model relates to a GIS or HGIS equipment SF6Gaseous incessant gas taking device, get gas pipeline, the public pipeline and the three-way valve of giving vent to anger including first gas pipeline, second of getting, first gas pipeline, the second of getting is got the one end of gas pipeline and is equipped with the equipment interface of being connected with GIS or HGIS equipment respectively, and the other end admits air the interface connection with the first interface of admitting air of GIS or HGIS equipment respectively, the public pipeline one end of giving vent to anger be equipped with SF one end of admitting air the interface connection of admitting air of second, the public pipeline6The detection interface is connected with a gas detection instrument, the other end of the detection interface is connected with a common interface of a three-way valve, and the first gas taking pipeline and the second gas taking pipeline are connectedAnd the two gas taking pipelines are respectively provided with a gas circulation valve for controlling the on-off of the gas passage. The device not only is favorable to improving work efficiency, and it is consuming time to reduce the operation, simple structure moreover, and operation, carry are convenient.
Description
Technical Field
The utility model relates toSubstation GIS (HGIS) equipment SF6The technical field of gas detection, in particular to a GIS or HGIS equipment SF6The gas incessant gets gas device.
Background
When a GIS (HGIS) device of a transformer substation runs, in order to monitor the online running state of the GIS (HGIS) device, the SF of the GIS (HGIS) device needs to be regularly monitored6The gas is detected electrically. By detecting SF6The decomposition product and micro-water content value of the gas are used for judging the SF enclosed in the tank6The insulating properties of the gaseous medium. Currently used SF for each station6The gas comprehensive on-line detection instrument can only perform SF on a single gas chamber at one time6And (4) detecting the charged gas. The detection process is limited by the inherent test time of the instrument, and one air chamber SF is completed6The analysis of the decomposed substances and the moisture of the gas is about 8 minutes, wherein 3 minutes are the time for workers to complete the connection and the disconnection of the gas taking port of the gas chamber, 5 minutes are the inherent time for the instrument to complete the analysis of the decomposed substances and the moisture, the working efficiency of the workers is only 37.5 percent, and particularly when the decomposed substances and the moisture are more than one, the working progress is greatly influenced, and the great waste of human resources and the working time is caused.
Disclosure of Invention
An object of the utility model is to provide a GIS or HGIS equipment SF6Gaseous incessant gas device of getting, the device not only is favorable to improving work efficiency, and it is consuming time to reduce the operation, simple structure moreover, and operation, carry are convenient.
In order to achieve the above object, the utility model adopts the following technical scheme: SF (gas insulated switchgear) of GIS (gas insulated switchgear) or HGIS (hybrid gas insulated switchgear)6Gaseous incessant gas taking device, get gas pipeline, the public pipeline and the three-way valve of giving vent to anger including first gas pipeline, second of getting, first gas pipeline, the second of getting is got the one end of gas pipeline and is equipped with the equipment interface of being connected with GIS or HGIS equipment respectively, and the other end admits air the interface connection with the first interface of admitting air of GIS or HGIS equipment respectively, the public pipeline one end of giving vent to anger be equipped with SF one end of admitting air the interface connection of admitting air of second, the public pipeline6The gas detection instrument comprises a detection interface connected with a gas detection instrument, the other end of the detection interface is connected with a common interface of a three-way valve, and the first gas taking pipeline and the second gas taking pipeline are respectively provided with a gas passage for controllingAn on-off gas circulation valve.
Furthermore, the public air outlet pipeline is provided with a check valve, and the check valve is installed in a direction that only gas is allowed to flow to SF from one side of the three-way valve6The gas detection instrument side.
Further, the length of the public air outlet pipeline is 500mm, and the lengths of the first air taking pipeline and the second air taking pipeline are both 5000 mm.
Furthermore, the first gas taking pipeline, the second gas taking pipeline and the public gas outlet pipeline are all stainless steel pipes or polytetrafluoroethylene pipes, the wall thickness is not less than 1mm, and the inner diameter is 2-4 mm.
Compared with the prior art, the utility model discloses following beneficial effect has: provides a novel GIS (HGIS) equipment SF6The gas uninterrupted gas taking device changes the traditional single-port operation mode into a double-port alternate operation mode on the basis of not increasing the investment of measuring instruments and the personnel cost, so that a single SF (sulfur hexafluoride) unit6The gas comprehensive online detector is simultaneously communicated with the two gas chambers, the inherent time of the detection of the detector is fully utilized, and the single SF is enabled to be in an alternate operation mode6The gas comprehensive online detector can uninterruptedly detect the decomposed substances without waiting for gas taking, shortens the detection time of the decomposed substances and the moisture of one gas chamber to 5 minutes from 8 minutes, and compared with the traditional operation mode, the working efficiency of personnel is improved to 60 percent from 37.5 percent, thereby greatly improving the working efficiency and shortening the time consumed by operation. In addition, the device simple structure, the simple operation, convenient to carry has very strong practicality and wide application prospect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention provides a GIS or HGIS equipment SF6The uninterrupted gas taking device comprises a first gas taking pipeline 1, a second gas taking pipeline 2, a public gas outlet pipeline 3 and a three-way valve 4, wherein the first gas taking pipeline is connected with the public gas outlet pipeline 1 through the three-way valve 4One end of the pipeline 1 and one end of the second gas taking pipeline 2 are respectively provided with an equipment interface 5 connected with GIS or HGIS equipment, the other end of the pipeline is respectively connected with a first gas inlet interface and a second gas inlet interface of a three-way valve 4, one end of the public gas outlet pipeline 3 is provided with a SF (sulfur hexafluoride) interface6The other end of the detection interface 6 is connected with the common interface of the three-way valve 4. And the first gas taking pipeline 1 and the second gas taking pipeline 2 are respectively provided with a gas circulation valve 8 for controlling the on-off of the gas passage. The public air outlet pipeline 3 is provided with a check valve 7, and the installation direction of the check valve 7 is to allow air to flow to SF from one side of the three-way valve6The gas detection instrument side.
During measurement, SF of different air chambers can be realized by controlling the opening and closing of the gas circulation valves in turn6The gas flows out from the common interface of the three-way valve in turn and enters SF6The gas comprehensive on-line detector realizes uninterrupted detection. On the basis of not increasing the instrument input and the labor cost, the working efficiency of personnel is greatly improved. The three-way valve 4 is matched with the design of the gas circulation valve 8 and the check valve 7, and the SF of different air chambers can be ensured6The gas is safely and reliably isolated.
In this embodiment, in consideration of the difference in the height of the reserved air intake port of the air chamber of GIS (HGIS) equipment of various voltage classes, the present invention adopts a design that the maximum satisfaction is achieved, that is, the height of the reserved air intake port of the 500kV GIS (HGIS) air chamber is taken as a reference standard, and the factors in terms of manual operation and the like are comprehensively considered, wherein the length of the first air intake pipeline and the length of the second air intake pipeline are designed to be 5000mm, and the length of the public air outlet pipeline is designed to be 500 mm. The first gas taking pipeline, the second gas taking pipeline and the public gas outlet pipeline of the whole device are all stainless steel pipes or polytetrafluoroethylene pipes, the wall thickness is not less than 1mm, the inner diameter is 2-4mm, the inner wall of the pipeline is smooth and clean, and the whole length is 5800 mm.
Above is the utility model discloses a preferred embodiment, all rely on the utility model discloses the change that technical scheme made, produced functional action does not surpass the utility model discloses during technical scheme's scope, all belong to the utility model discloses a protection scope.
Claims (4)
1. A GIS orHGIS plant SF6Gaseous incessant gas device of getting, its characterized in that gets gas pipeline, public pipeline and the three-way valve of giving vent to anger including first gas pipeline, second, first gas pipeline, the second of getting is got the one end of gas pipeline and is equipped with the equipment interface of being connected with GIS or HGIS equipment respectively, and the other end admits air the interface connection with the first interface, the second of admitting air of three-way valve respectively, public pipeline one end of giving vent to anger be equipped with SF one end6The gas detection instrument is connected with a detection interface, the other end of the detection interface is connected with a common interface of the three-way valve, and the first gas taking pipeline and the second gas taking pipeline are respectively provided with a gas circulation valve for controlling the on-off of the gas channel.
2. GIS or HGIS plant SF according to claim 16The gas uninterrupted gas taking device is characterized in that a check valve is arranged on the public gas outlet pipeline, and the installation direction of the check valve is that only gas is allowed to flow to SF from one side of the three-way valve6The gas detection instrument side.
3. GIS or HGIS plant SF according to claim 16The gas uninterrupted gas taking device is characterized in that the length of the public gas outlet pipeline is 500mm, and the lengths of the first gas taking pipeline and the second gas taking pipeline are 5000 mm.
4. GIS or HGIS plant SF according to claim 16The gas uninterrupted gas taking device is characterized in that the first gas taking pipeline, the second gas taking pipeline and the public gas outlet pipeline are all stainless steel pipes or polytetrafluoroethylene pipes, the wall thickness is not less than 1mm, and the inner diameter is 2-4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921811236.8U CN211668877U (en) | 2019-10-26 | 2019-10-26 | SF (gas insulated switchgear) of GIS (gas insulated switchgear) or HGIS (hybrid gas insulated switchgear)6Gas uninterrupted gas taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921811236.8U CN211668877U (en) | 2019-10-26 | 2019-10-26 | SF (gas insulated switchgear) of GIS (gas insulated switchgear) or HGIS (hybrid gas insulated switchgear)6Gas uninterrupted gas taking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211668877U true CN211668877U (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921811236.8U Active CN211668877U (en) | 2019-10-26 | 2019-10-26 | SF (gas insulated switchgear) of GIS (gas insulated switchgear) or HGIS (hybrid gas insulated switchgear)6Gas uninterrupted gas taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211668877U (en) |
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2019
- 2019-10-26 CN CN201921811236.8U patent/CN211668877U/en active Active
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