CN215733133U - Sealing detection equipment for gas insulation switch cabinet - Google Patents
Sealing detection equipment for gas insulation switch cabinet Download PDFInfo
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- CN215733133U CN215733133U CN202121975467.XU CN202121975467U CN215733133U CN 215733133 U CN215733133 U CN 215733133U CN 202121975467 U CN202121975467 U CN 202121975467U CN 215733133 U CN215733133 U CN 215733133U
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- Prior art keywords
- gas
- fixedly connected
- box
- collection box
- gas collection
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000007789 sealing Methods 0.000 title claims abstract description 16
- 238000009413 insulation Methods 0.000 title abstract description 4
- 210000004379 membrane Anatomy 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 18
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 9
- 210000002469 basement membrane Anatomy 0.000 claims description 5
- 238000000889 atomisation Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 60
- 229910018503 SF6 Inorganic materials 0.000 description 20
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 20
- 229960000909 sulfur hexafluoride Drugs 0.000 description 20
- 230000000694 effects Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a sealing detection device for a gas insulation switch cabinet, in particular to the technical field of sealing detection of the switch cabinet, which comprises a detection box, wherein a sealing cover is arranged at the top end of the detection box, the detection box comprises a surrounding plate, an elastic rubber side film and an elastic rubber bottom film, the surrounding plate is provided with four blocks, the elastic rubber side film is fixedly connected between the adjacent surrounding plates, an adjusting rod is rotatably connected between the adjacent surrounding plates, the bottom ends of the surrounding plate and the elastic rubber side film are fixedly connected with the elastic rubber bottom film, one side surface of the surrounding plate is fixedly connected with an installation box, one side surface of the installation box is fixedly connected with an annular inserting plate, one side surface of the installation box is provided with a gas collection box, one side of the gas collection box is provided with an annular inserting groove, the annular inserting plate is clamped with the annular inserting groove, the device can carry out gas tightness detection on the switch cabinet to be detected and can recycle and remove leaked gas at the same time, avoiding the pollution to the environment.
Description
Technical Field
The utility model belongs to the technical field of switch cabinet sealing detection, and particularly relates to sealing detection equipment for a gas insulation switch cabinet.
Background
The gas insulated switchgear generally adopts insulating gas such as sulfur hexafluoride to intensively seal primary electric elements such as a circuit breaker, a three-position isolating switch, a bus and the like in a low-pressure gas box, has the advantages of small volume, no influence of external environment and the like, and is widely applied to occasions with high altitude and high pollution level.
Along with the increase of gas insulated switchgear service life, gas insulated switchgear can have ageing problem to the leakproofness can descend thereupon, and the sulfur hexafluoride gas of its the inside just can reveal, because the sulfur hexafluoride gas is colourless odorless and for toxic gas, is difficult for discovering, thereby can't in time discover the problem that gas insulated switchgear sealed became invalid, consequently provides a sealed check out test set who is used for gas insulated switchgear and makes things convenient for the staff to detect the leakproofness of gas insulated switchgear.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a sealing detection device for a gas insulated switchgear, which is used to solve the above problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sealed check out test set for gas insulated switchgear, includes the detection case, the top of detection case is provided with the sealed cowling, the detection case includes bounding wall, elastic rubber side membrane and elastic rubber basement membrane, the bounding wall is provided with four, and is adjacent fixedly connected with elastic rubber side membrane between the bounding wall is adjacent it is connected with the regulation pole to rotate between the bounding wall, the bottom fixed connection elastic rubber basement membrane of bounding wall and elastic rubber side membrane, a side fixedly connected with install bin of bounding wall, a side fixedly connected with annular picture peg of install bin, a side of install bin is provided with the gas collection case, annular slot has been seted up to one side of gas collection case, annular picture peg and annular slot joint.
Preferably, the internally mounted of install bin has the aspiration pump, the one end of aspiration pump passes through intake pipe and bounding wall intercommunication, the other end of aspiration pump is connected with the blast pipe, the blast pipe extends to the outside of install bin and is located the inboard of annular picture peg.
Preferably, the exhaust pipe is provided with external threads, and the exhaust pipe is provided with an electric valve.
Preferably, a connecting nozzle is fixedly connected to one side face of the gas collection box, internal threads are arranged on the inner side face of the connecting nozzle, the connecting nozzle is in threaded connection with the exhaust pipe, a partition plate is fixedly connected to the inside of the gas collection box, and an atomizing nozzle is fixedly connected to the partition plate.
Preferably, the bottom of the gas collection box is provided with a socket, a socket box is inserted into the socket, and a sponge block is arranged inside the socket box.
Preferably, a clamping groove is formed in one side face of the gas collection box, a U-shaped clamping block is clamped in the clamping groove, and the bottom end of the insertion box is tightly attached to the inner side face of the U-shaped clamping block.
Preferably, a threaded hole is formed in the top end of the gas collection box, a pressure applying screw rod is connected to the threaded hole in an internal thread mode, a pressure applying plate is fixedly connected to the bottom end of the pressure applying screw rod, and a potassium hydroxide solution is filled above the partition plate in the gas collection box.
Preferably, the adjusting rod consists of a threaded column casing, an adjusting screw rod and a limiting rope, internal threads with opposite directions are arranged on the inner side surface of the threaded column casing, the internal threads of the threaded column casing are connected with the symmetrical adjusting screw rods, and the limiting rope is fixedly connected between the adjusting screw rods.
Preferably, the sealing cover comprises side plates, elastic extension films, a central plate and elastic connection films, the elastic extension films are fixedly connected between the adjacent side plates, the elastic connection films are fixedly connected between the side plates, the elastic extension films and the central plate, and the detection balloon is fixedly connected to the top end of the central plate.
The utility model has the technical effects and advantages that: (1) this a sealed check out test set for gas insulated switchgear through making in the gas insulated switchgear arranges the detection case in, utilizes the sealed cowling to make the detection case form airtight environment, through observing whether the balloon expands, judges whether there is the phenomenon of gas leakage in the gas insulated switchgear.
(2) The gas collection box and the air pump are utilized to collect the leaked sulfur hexafluoride gas, the pressure applying plate is driven to move downwards by the pressure applying screw rod, the potassium hydroxide solution in the gas collection box can be applied, the potassium hydroxide solution is rapidly atomized and fully contacted with the sulfur hexafluoride solution under the action of the atomizing nozzle, the function of removing the sulfur hexafluoride gas is realized, and the sulfur hexafluoride gas leakage and the environmental pollution are avoided.
(3) Can adjust the distance between the adjacent bounding wall through adjusting the pole, and then realize adjusting the function of detection case inner space, be convenient for detect the gas insulated switchgear of different volumes, increase the application range of this equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure at B in FIG. 1;
FIG. 4 is a top view of the detection chamber;
FIG. 5 is a schematic view of the internal structure of the sealing cap;
fig. 6 is a schematic view of the internal structure of the adjustment lever.
In the figure: 1. enclosing plates; 2. a sealing cover; 201. a side plate; 202. an elastically extensible film; 203. a center plate; 204. an elastic connection film; 3. detecting the balloon; 4. installing a box; 5. a gas collection tank; 501. a card slot; 6. a plug box; 7. an air pump; 8. a sponge block; 9. an elastic rubber side film; 10. an elastic rubber basement membrane; 11. adjusting a rod; 1101. a threaded column; 1102. adjusting the screw rod; 1103. a limiting rope; 12. a U-shaped clamping block; 13. pressing a plate; 14. a pressure applying screw; 15. an atomizing spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a sealing detection device for a gas insulated switchgear as shown in figures 1-6, which comprises a detection box, wherein the top end of the detection box is provided with a sealing cover 2, the detection box comprises a coaming 1, an elastic rubber side film 9 and an elastic rubber bottom film 10, the coaming 1 is provided with four blocks, the elastic rubber side film 9 is fixedly connected between the adjacent coamings 1, an adjusting rod 11 is rotatably connected between the adjacent coamings 1, the bottom ends of the coamings 1 and the elastic rubber side film 9 are fixedly connected with the elastic rubber bottom film 10, one side surface of the coamings 1 is fixedly connected with an installation box 4, one side surface of the installation box 4 is fixedly connected with an annular inserting plate, one side surface of the installation box 4 is provided with a gas collection box 5, one side of the gas collection box 5 is provided with an annular inserting groove, the annular inserting plate is clamped with the annular inserting groove, according to the volume of the switchgear to be detected, by rotating the threaded column barrel 1101, the threaded column barrel 1101 at the movement part of the adjusting screw 1102 realizes the function of pushing the coaming 1 to move, so that the distance between the adjacent enclosing plates 1 is increased, thereby realizing the function of amplifying the internal space of the detection box, then the switch cabinet to be tested is placed in the detection box, according to the size of the box opening of the detection box, the sealing cover 2 can cover the outer side of the detection box by stretching the elastic extension film 202 and the elastic connection film 204 through the side plate 201, so that a closed space is formed inside the detection box, if the switch cabinet leaks air, the leaked sulfur hexafluoride can enter the detection box, because the density of the sulfur hexafluoride is less than that of the air, the sulfur hexafluoride gas can move upwards and further enter the detection balloon 3, make detection balloon 3 expand gradually, detection personnel can judge whether there is the gas leakage problem in the cubical switchboard through observing whether the inflation of detection balloon 3.
When the switch cabinet to be tested has the problem of gas leakage, the air extracting pump 7 and the electric valve can be started, so that the sulfur hexafluoride gas in the detection box can quickly enter the gas collection box 5, meanwhile, the leakage speed of the gas in the switch cabinet is indirectly accelerated, meanwhile, the knob pressure applying screw 14 enables the pressure applying screw 14 to drive the pressure applying plate 13 to move downwards, the pressure applying plate 13 moves downwards to extrude the potassium hydroxide solution, under the action of the atomizing nozzle 15, the potassium hydroxide solution is atomized and contacts with sulfur hexafluoride gas components, so that the sulfur hexafluoride gas can be fully dissolved by the potassium hydroxide solution to realize the function of removing the sulfur hexafluoride gas, the atomized potassium hydroxide solution can be absorbed by the sponge block 8, after sulfur hexafluoride gas in the detection box is completely exhausted, a worker takes down the sealing cover 2, takes out the switch cabinet to be detected and maintains the switch cabinet, and therefore environment pollution caused by the sulfur hexafluoride gas is avoided.
Finally, the worker takes the U-shaped clamping block 12 out of the clamping groove 501, the inserting box 6 is taken out, and under the action of the sponge block 8, the potassium hydroxide solution is not easy to spill and leak, so that the potassium hydroxide solution is convenient to recycle.
The internally mounted of install bin 4 has aspiration pump 7, the one end of aspiration pump 7 is passed through intake pipe and 1 intercommunication of bounding wall, the other end of aspiration pump 7 is connected with the blast pipe, the blast pipe extends to the outside of install bin 4 and is located the inboard of annular picture peg, and the sulfur hexafluoride gas in the extraction detection case that aspiration pump 7 can be quick improves the gaseous efficiency of getting rid of sulfur hexafluoride.
Be provided with the external screw thread on the blast pipe, be provided with electric valve on the blast pipe, the external screw thread on the blast pipe for the blast pipe is convenient for carry out threaded connection with the connector, makes things convenient for the dismantlement and the installation of gas collection case, and electric valve is convenient for control blast pipe's switching, avoids the sulfur hexafluoride gas in the gas collection case 5 to appear the backward flow phenomenon.
The gas collection box is characterized in that a connecting nozzle is fixedly connected to one side face of the gas collection box 5, internal threads are arranged on the inner side face of the connecting nozzle, the connecting nozzle is in threaded connection with the exhaust pipe, a partition plate is fixedly connected to the inside of the gas collection box 5, an atomizing nozzle 15 is fixedly connected to the partition plate, the atomizing nozzle 15 can achieve the atomizing function of a potassium hydroxide solution, and the dissolving efficiency of sulfur hexafluoride gas is improved.
The interface has been seted up to the bottom of gas collection box 5, the interface interpolation is equipped with plug box 6, plug box 6's inside is provided with sponge piece 8, and sponge piece 8 can absorb potassium hydroxide solution for potassium hydroxide solution is difficult for spilling hourglass, makes things convenient for the staff to retrieve.
A clamping groove 501 is formed in one side face of the gas collecting box 5, a U-shaped clamping block 12 is clamped in the clamping groove 501, and the bottom end of the inserting box 6 is tightly attached to the inner side face of the U-shaped clamping block 12. The U-shaped clamping block 12 can support the plug box 6, so that the stability of the plug box 6 is ensured.
The top end of the gas collection box 5 is provided with a threaded hole, a pressure applying screw 14 is connected with the threaded hole in an internal thread manner, a pressure applying plate 13 is fixedly connected to the bottom end of the pressure applying screw 14, a potassium hydroxide solution is filled above the partition plate in the gas collection box 5, and the pressure applying screw 14 and the pressure applying plate 13 are matched to apply pressure to the potassium hydroxide solution so as to provide pressure for atomization of the potassium hydroxide solution.
The adjusting rod 11 is composed of a threaded column barrel 1101, an adjusting screw 1102 and a limiting rope, internal threads with opposite directions are arranged on the inner side face of the threaded column barrel 1101, the threaded column barrel 1101 is in threaded connection with the symmetrical adjusting screw 1102, the limiting rope is fixedly connected between the adjusting screws 1102, and the adjusting rod 11 can achieve the function of adjusting the distance between the enclosing plates 1 and further achieving the function of adjusting the size of the inner space of the detection box.
Claims (9)
1. The utility model provides a sealed check out test set for gas insulated switchgear which characterized in that: including the detection case, the top of detection case is provided with sealed cowling (2), the detection case includes bounding wall (1), elastic rubber side membrane (9) and elastic rubber basement membrane (10), bounding wall (1) is provided with four, and is adjacent fixed connection elastic rubber side membrane (9) between bounding wall (1), and is adjacent rotate between bounding wall (1) and be connected with regulation pole (11), the bottom fixed connection elastic rubber basement membrane (10) of bounding wall (1) and elastic rubber side membrane (9), a side fixedly connected with install bin (4) of bounding wall (1), a side fixedly connected with annular picture peg of install bin (4), a side of install bin (4) is provided with gas collection box (5), annular slot has been seted up to one side of gas collection box (5), annular picture peg and annular slot joint.
2. A seal detection device for gas-insulated switchgear cabinets according to claim 1, characterized in that: the internally mounted of install bin (4) has aspiration pump (7), the one end of aspiration pump (7) is passed through intake pipe and bounding wall (1) intercommunication, the other end of aspiration pump (7) is connected with the blast pipe, the blast pipe extends to the outside of install bin (4) and is located the inboard of annular picture peg.
3. A seal detection device for gas-insulated switchgear cabinets according to claim 2, characterized in that: the exhaust pipe is provided with external threads and is provided with an electric valve.
4. A seal detection device for gas-insulated switchgear cabinets according to claim 1, characterized in that: a connecting nozzle is fixedly connected to one side face of the gas collection box (5), internal threads are arranged on the inner side face of the connecting nozzle, the connecting nozzle is in threaded connection with the exhaust pipe, a partition plate is fixedly connected to the inside of the gas collection box (5), and an atomization nozzle (15) is fixedly connected to the partition plate.
5. A seal detection device for gas-insulated switchgear cabinets according to claim 4, characterized in that: the bottom of gas collection box (5) has seted up the interface, interface interpolation is equipped with plug box (6), the inside of plug box (6) is provided with sponge piece (8).
6. A seal detection device for gas-insulated switchgear cabinets according to claim 5, characterized in that: a clamping groove (501) is formed in one side face of the gas collection box (5), a U-shaped clamping block (12) is clamped in the clamping groove (501), and the bottom end of the insertion box (6) is tightly attached to the inner side face of the U-shaped clamping block (12).
7. A seal detection device for gas-insulated switchgear cabinets according to claim 5, characterized in that: the gas collection box is characterized in that a threaded hole is formed in the top end of the gas collection box (5), a pressure applying screw (14) is connected to the threaded hole in an internal thread mode, a pressure applying plate (13) is fixedly connected to the bottom end of the pressure applying screw (14), and a potassium hydroxide solution is filled above the partition plate in the gas collection box (5).
8. A seal detection device for gas-insulated switchgear cabinets according to claim 5, characterized in that: the adjusting rod (11) is composed of a threaded column casing (1101), an adjusting screw rod (1102) and a limiting rope (1103), internal threads with opposite trends are arranged on the inner side face of the threaded column casing (1101), the adjusting screw rods (1102) are symmetrically connected with the internal threads of the threaded column casing (1101), and the limiting rope (1103) is fixedly connected between the adjusting screw rods (1102).
9. A seal detection device for gas-insulated switchgear cabinets according to claim 1, characterized in that: the sealing cover (2) comprises curb plate (201), elasticity extension membrane (202), well board (203) and elastic connection membrane (204), and is adjacent fixed connection elasticity extension membrane (202) between curb plate (201), fixed connection elastic connection membrane (204) between curb plate (201), elasticity extension membrane (202) and well board (203), well board (203)'s top fixed connection has detection balloon (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121975467.XU CN215733133U (en) | 2021-08-20 | 2021-08-20 | Sealing detection equipment for gas insulation switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121975467.XU CN215733133U (en) | 2021-08-20 | 2021-08-20 | Sealing detection equipment for gas insulation switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN215733133U true CN215733133U (en) | 2022-02-01 |
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|---|---|---|---|
| CN202121975467.XU Active CN215733133U (en) | 2021-08-20 | 2021-08-20 | Sealing detection equipment for gas insulation switch cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118067313A (en) * | 2024-04-18 | 2024-05-24 | 七星电气股份有限公司 | Gas leakage detection method and device for insulating switch cabinet |
-
2021
- 2021-08-20 CN CN202121975467.XU patent/CN215733133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118067313A (en) * | 2024-04-18 | 2024-05-24 | 七星电气股份有限公司 | Gas leakage detection method and device for insulating switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A sealing detection equipment for gas insulated switchgear Effective date of registration: 20230710 Granted publication date: 20220201 Pledgee: Jinan liuchangshan road sub branch of Qilu Bank Co.,Ltd. Pledgor: SHANDONG XINDALU POWER CO.,LTD. Registration number: Y2023370000100 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220201 Pledgee: Jinan liuchangshan road sub branch of Qilu Bank Co.,Ltd. Pledgor: SHANDONG XINDALU POWER CO.,LTD. Registration number: Y2023370000100 |