CN108693311B - SF (sulfur hexafluoride) of GIS (gas insulated switchgear) combined electrical equipment 6 Prismatic joint clamping device for gas test - Google Patents
SF (sulfur hexafluoride) of GIS (gas insulated switchgear) combined electrical equipment 6 Prismatic joint clamping device for gas test Download PDFInfo
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- CN108693311B CN108693311B CN201810350891.1A CN201810350891A CN108693311B CN 108693311 B CN108693311 B CN 108693311B CN 201810350891 A CN201810350891 A CN 201810350891A CN 108693311 B CN108693311 B CN 108693311B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1254—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of gas-insulated power appliances or vacuum gaps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- General Health & Medical Sciences (AREA)
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- Testing Electric Properties And Detecting Electric Faults (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses GIS combined electrical equipment SF 6 Prismatic joint clamping device for gas test. The joint clamping device is used for communicating the prismatic air chamber joint with the test joint and comprises a clamping piece, a matching piece and a fastening piece; wherein, the clamping piece is clamped on the prismatic air chamber joint; the matching piece is provided with a channel which is communicated with the prismatic air chamber joint and the test joint; the fastener is in threaded connection with the clamping piece and is used for pushing the matching piece to be connected with the prismatic air chamber connector. The connector clamping device is suitable for the prismatic air chamber connector, a screw tightening mode is replaced by a screw tightening structure, and in the use process, only one tightening screw of the prismatic air chamber connector is required to be disassembled, the connector clamping device is clamped on the air chamber connector, and the air duct is led out through the second connector for testing; after the test is finished, only one fastening screw is needed to be installed, so that the screw is prevented from being dismounted and mounted for multiple times in the test process, a large amount of dismounting time is saved, the test flow is optimized, and the operation efficiency is remarkably improved.
Description
Technical Field
The invention relates to SF 6 The utility model provides a gas test device, concretely relates to prismatic joint clamping device of GIS combined electrical equipment SF6 gas test.
Background
The GIS combined electrical equipment uses SF 6 The gas-insulated metal-enclosed switchgear using gas as insulating medium has the advantages of reasonable structure, small occupied space, high operation reliability, small maintenance workload, long maintenance period, no influence of external environment conditions, no electrostatic induction and corona interference, low noise level, good shock resistance, strong adaptability and the like, and is widely applied to the power industry.
SF 6 The gas test (including humidity test and gas decomposition product test) is a necessary test item for GIS combined electrical equipment, and SF is analyzed by the test 6 The state of the gas and the equipment. At present, an air chamber interface of GIS combined electrical equipment usually adopts a multi-screw fastening structure, and a test connector fastened by screws is needed for the test of the air chamber interface, because the air chambers of the GIS combined electrical equipment are more, each air chamber needs to be tested, a large number of screw assembling and disassembling operations exist in the test process, including disassembling the air chamber connector before the test and assembling the test connector; after the test is completed, the test connector is detached and the air chamber connector is replaced. Throughout SF 6 During the gas test, a large amount of screws are dismounted, the time occupied by the operation is long, and the SF is greatly limited 6 The efficiency of gas test operation increases the operation burden, prolongs the working time and increases the operation risk.
To sum up, the SF can be reduced 6 The number of times of disassembling and assembling the screw in the gas test process simplifies the test steps, shortens the time of disassembling and assembling the screw, improves the operation efficiency, and reduces the operation risk.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the invention provides a GIS combined electrical device SF 6 Prismatic joint clamping device for gas test. The connector clamping device provided by the invention is suitable for prismatic air chamber connectors of GIS combined electrical equipmentThe screw tightening mode is replaced by a screw tightening structure, and in the use process, only one tightening screw of the prismatic air chamber connector is required to be disassembled, the connector clamping device is clamped on the air chamber connector, and the air duct is led out through the second connector for testing; after the test is finished, only one fastening screw is needed to be installed, so that the screw is prevented from being dismounted and mounted for multiple times in the test process, a large amount of dismounting time is saved, the test flow is optimized, and the operation efficiency is remarkably improved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
SF (sulfur hexafluoride) of GIS (gas insulated switchgear) combined electrical equipment 6 The joint clamping device for the gas test is used for communicating the prismatic gas chamber joint with the test joint and comprises a clamping piece, a matching piece and a fastening piece; wherein, the clamping piece is clamped on the prismatic air chamber joint; the matching piece is provided with a channel which is communicated with the prismatic air chamber joint and the test joint; the fastener is in threaded connection with the clamping piece and is used for pushing the matching piece to be connected with the prismatic air chamber connector.
Preferably, the clamping piece is of a U-shaped structure and comprises a clamping interface, a fixing structure and a first adjusting structure; the clamping interface and the first adjusting structure are respectively arranged at two ends of the fixing structure; the shape of the fixing structure is matched with that of the prismatic air chamber connector, and the fixing structure is in a regular hexagon shape and is used for fixing the position of the prismatic connector clamping device; the first adjusting structure is in threaded connection with the fastener.
Preferably, the matching piece comprises a first interface, a second interface and a communication structure; the first interface and the second interface are respectively arranged at two ends of the communication structure; the second interface is in sealing connection with the connector of the test device; the communication structure is a hollow structure, forms a channel, and is communicated with the air chamber connector and the test device connector.
Preferably, the fastener comprises a conformable member, a second adjustment structure, and an adapter; the attaching part and the adapter are respectively and fixedly arranged at two ends of the second adjusting structure; the attaching part is used for attaching the first interface and pushing the first interface to be connected with the air chamber connector; the second adjusting structure is a hollow structure, and the surface of the second adjusting structure is provided with threads matched with the first adjusting structure; the communication structure passes through the second adjusting structure and is connected with the joint of the test device; the adapter is in the shape of a hexagonal nut.
Preferably, the bayonet of the card interface is of a U-shaped structure, and the size of the bayonet is matched with that of the air chamber connector; the first interface is provided with a sealing air cushion for sealing connection between the first interface and the air chamber connector.
Preferably, a spring lock is arranged in the second interface and can lock the connector of the test device.
Preferably, the joint clamping device further comprises a hand-held knob; the hand-held knob can be matched with the adapter to adjust the relative positions of the clamping piece and the fastening piece.
Preferably, the hand-held knob comprises a handle and a trepanning component; the size of the trepanning component is matched with that of the adapter, and the adapter is embedded in the trepanning component.
Preferably, the handles are provided with at least 2 handles.
Preferably, the handles are provided in 3.
Compared with the prior art, the invention has the following beneficial effects:
SF of GIS combined electrical equipment 6 The joint clamping device for the gas test is suitable for prismatic gas chamber joints of GIS combined electrical equipment; the connector clamping device replaces a screw tightening mode with a screw tightening structure, only one tightening screw of the prismatic air chamber connector is required to be disassembled in the use process, the connector clamping device is clamped on the air chamber connector, and the air duct is led out through the second connector to perform a test; after the test is finished, only one fastening screw is needed to be installed, so that the screw is prevented from being dismounted and mounted for multiple times in the test process, a large amount of dismounting time is saved, the test flow is optimized, and the operation efficiency is remarkably improved.
Drawings
Fig. 1 shows a clamping member 1, wherein 10 is a clamping interface, 11 is a fixing structure, and 12 is a first adjusting structure.
Fig. 2 shows a matching element 2, wherein 20 is a first interface, 21 is a second interface, and 22 is a communication structure.
FIG. 3 shows a fastener 3, wherein 30 is a conformable member, 31 is a second adjustment structure, 32 is a transition joint
Fig. 4 shows a hand-held knob 4, wherein 40 is a handle and 41 is a trepanning member.
FIG. 5 shows the connector clamping device of example 1 mounted on a prismatic air cell connector; wherein 1 is a clamping piece, 2 is a matching piece, 3 is a fastening piece, 4 is a hand-held knob, and 5 is a prismatic air chamber connector.
Detailed Description
The examples are for illustrative purposes only and are not to be construed as limiting the present patent. For the purpose of better illustrating the present embodiment, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions. It will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
Example 1
SF (sulfur hexafluoride) of GIS (gas insulated switchgear) combined electrical equipment 6 The prismatic joint clamping device for the gas test is shown in fig. 1-4, and fig. 5 shows the assembled state, and is used for communicating the prismatic gas chamber joint and the test joint. The joint clamping device comprises a clamping piece 1, a matching piece 2 and a fastening piece 3; wherein, the clamping piece 1 is clamped on the prismatic air chamber joint; the matching piece 2 is provided with a channel which is communicated with the prismatic air chamber joint and the test joint; the fastener 3 is in threaded connection with the clamping piece 1 and is used for pushing the matching piece 2 to be connected with the prismatic air chamber connector.
The clamping piece 1 is of a U-shaped structure and comprises a clamping interface 10, a fixing structure 11 and a first adjusting structure 12; the card interface 10 and the first adjusting structure 12 are respectively arranged at two ends of the fixed structure 11; the shape of the fixing structure 11 is matched with that of the prismatic air chamber connector and is used for fixing the position of the prismatic connector clamping device; the first adjustment structure 12 is threadedly connected to the fastener 3.
The matching element 2 comprises a first interface 20, a second interface 21 and a communication structure 22; the first interface 20 and the second interface 21 are respectively arranged at two ends of the communication structure 22; the shape of the first interface 20 is matched with that of the prismatic air chamber joint and is used for being connected with the prismatic air chamber joint in a sealing way; the second interface 21 is in sealing connection with the test device connector; the communication structure 22 is a hollow structure, forming a channel, and communicating the air chamber joint with the test device joint.
The fastener 3 comprises a fitting part 30, a second adjusting structure 31 and an adapter 32; the attaching part 30 and the adapter 32 are respectively and fixedly arranged at two ends of the second adjusting structure 31; wherein, the attaching part 30 is used for attaching the first interface 20 and pushing the first interface 20 to be connected with the air chamber connector; the second adjusting structure 31 is a hollow structure, and the surface of the second adjusting structure is provided with threads matched with the first adjusting structure 12; the communication structure 22 passes through the second adjusting structure 31 to be connected with the joint of the test device; the adapter 32 is in the shape of a hexagonal nut. The communication structure 22 is longer than the second adjustment structure 31 and extends beyond the adapter 32.
The bayonet of the card interface 10 is of a U-shaped structure, and the size of the bayonet is matched with that of the air chamber connector; the first interface 20 is provided with a sealing air cushion for sealing connection of the first interface 20 with the air chamber connector.
And a spring lock is arranged in the second interface 21 and can lock the joint of the test device.
The joint clamping device also comprises a hand-held knob 4; the hand-held knob 4 can be matched with the adapter 32 to adjust the relative positions of the clamping piece 1 and the fastening piece 3.
The hand-held knob 4 comprises a handle 40 and a trepanning part 41; the socket member 41 is sized to mate with the adapter 32, and the adapter 32 is embedded within the socket member 41.
The number of handles 40 is at least 2, and in view of comprehensiveness, it is convenient to provide 3 handles.
After the clamping piece is clamped with the air chamber connector at a fixed position, the fastener is rotated to push the matching piece to move towards the air chamber connector until the matching piece is in sealing connection with the air chamber connector; the second interface of the matching piece is connected with the joint of the test device, so that test detection can be performed. After the detection is finished, only the fastener is required to be rotated, and the matching piece and the air chamber connector are loosened. In the whole process, only one fastening screw for disassembling the prismatic air chamber connector is needed, so that the disassembly and the assembly of screws in the test process are obviously reduced, the time for disassembling and assembling the screws is shortened, and the working efficiency is improved.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and that other various changes and modifications can be made by one skilled in the art based on the above description and the idea, and it is not necessary or exhaustive to all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (9)
1. SF (sulfur hexafluoride) of GIS (gas insulated switchgear) combined electrical equipment 6 The prismatic joint clamping device for the gas test is used for communicating the prismatic gas chamber joint with the test joint and is characterized by comprising a clamping piece (1), a matching piece (2) and a fastening piece (3); wherein, the clamping piece (1) is clamped on the prismatic air chamber joint; the matching piece (2) is provided with a channel which is communicated with the prismatic air chamber joint and the test joint; the fastener (3) is in threaded connection with the clamping piece (1) and is used for pushing the matching piece (2) to be connected with the prismatic air chamber connector; the clamping piece (1) is of a U-shaped structure and comprises a clamping interface (10), a fixing structure (11) and a first adjusting structure (12); the clamping interface (10) and the first adjusting structure (12) are respectively arranged at two ends of the fixed structure (11); the shape of the fixing structure (11) is matched with that of the prismatic air chamber connector, and the fixing structure is in a regular hexagon shape and is used for fixing the position of the prismatic connector clamping device; the first adjusting structure (12) is in threaded connection with the fastener (3).
2. The GIS electrical device SF according to claim 1 6 The prismatic joint clamping device for gas test is characterized in that the matching piece (2) comprises a first interface (20), a second interface (21) and a communication structure (22); the first interface (20) and the second interface (21) are respectively arranged at two ends of the communication structure (22); the shape of the first interface (20) is matched with that of the prismatic air chamber connector, and the first interface is in a regular hexagon shape and is used for being connected with the prismatic air chamber connector in a sealing way; the second interface (21) is in sealing connection with the joint of the test device; the communication structure (22) is a hollow structure, forms a channel, and is connected with the air chamber connector and the test deviceA head.
3. The GIS electrical device SF according to claim 2 6 Prismatic joint clamping device for gas tests, characterized in that the fastener (3) comprises a fitting part (30), a second adjustment structure (31) and an adapter (32); the attaching part (30) and the adapter (32) are respectively and fixedly arranged at two ends of the second adjusting structure (31); the attaching part (30) is used for attaching the first interface (20) and pushing the first interface (20) to be connected with the prismatic air chamber connector; the second adjusting structure (31) is a hollow structure, and the surface of the second adjusting structure is provided with threads matched with the first adjusting structure (12); the communication structure (22) passes through the second adjusting structure (31) to be connected with the joint of the test device; the adapter (32) is hexagonal nut shaped.
4. A GIS combined electrical device SF according to claim 3 6 The prismatic connector clamping device for the gas test is characterized in that a bayonet of the clamping connector (10) is of a U-shaped structure, and the size of the bayonet is matched with that of a prismatic gas chamber connector; the first interface (20) is provided with a sealing air cushion and is used for sealing connection between the first interface (20) and the air chamber joint.
5. The GIS electrical device SF according to claim 4 6 The prismatic joint clamping device for the gas test is characterized in that a spring lock is arranged in the second interface (21) and can lock the joint of the test device.
6. The GIS electrical device SF according to claim 5 6 The prismatic joint clamping device for the gas test is characterized by further comprising a hand-held knob (4); the hand-held knob (4) can be matched with the adapter (32) to adjust the relative positions of the clamping piece (1) and the fastening piece (3).
7. The GIS electrical device SF according to claim 6 6 The prismatic joint clamping device for the gas test is characterized in that the hand-held knob (4) comprises a handle (40) and a trepanning component (41); the trepanningThe dimensions of the component (41) are matched with the adapter (32), and the adapter (32) is embedded in the trepanning component (41).
8. The GIS electrical device SF according to claim 7 6 Prismatic joint clamping device for gas tests, characterized in that the handles (40) are provided with at least 2.
9. The GIS electrical device SF of claim 8 6 Prismatic joint clamping device for gas tests, characterized in that the number of handles (40) is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350891.1A CN108693311B (en) | 2018-04-18 | 2018-04-18 | SF (sulfur hexafluoride) of GIS (gas insulated switchgear) combined electrical equipment 6 Prismatic joint clamping device for gas test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350891.1A CN108693311B (en) | 2018-04-18 | 2018-04-18 | SF (sulfur hexafluoride) of GIS (gas insulated switchgear) combined electrical equipment 6 Prismatic joint clamping device for gas test |
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| Publication Number | Publication Date |
|---|---|
| CN108693311A CN108693311A (en) | 2018-10-23 |
| CN108693311B true CN108693311B (en) | 2023-05-26 |
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| CN201810350891.1A Active CN108693311B (en) | 2018-04-18 | 2018-04-18 | SF (sulfur hexafluoride) of GIS (gas insulated switchgear) combined electrical equipment 6 Prismatic joint clamping device for gas test |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416902A (en) * | 2019-07-17 | 2019-11-05 | 广东电网有限责任公司 | A kind of GIS combined electric equipment SF6 gas chamber interface arrangement |
| CN111562471B (en) * | 2020-05-09 | 2022-08-26 | 贵州电网有限责任公司 | SF6 inflation connector universally applicable |
| CN113689795B (en) * | 2021-10-13 | 2022-08-30 | 深圳市锐凌光电有限公司 | Totally-shaded energy-saving display screen |
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2018
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| JPH07332565A (en) * | 1994-06-09 | 1995-12-22 | Osaka Gas Co Ltd | Branch pipe connecting joint and airtightness testing method thereof |
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