CN214277502U - Sealing oil taking device for oil-filled electrical equipment - Google Patents
Sealing oil taking device for oil-filled electrical equipment Download PDFInfo
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- CN214277502U CN214277502U CN202022557808.3U CN202022557808U CN214277502U CN 214277502 U CN214277502 U CN 214277502U CN 202022557808 U CN202022557808 U CN 202022557808U CN 214277502 U CN214277502 U CN 214277502U
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- connecting seat
- taking
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- 239000000428 dust Substances 0.000 claims description 23
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- 230000001105 regulatory effect Effects 0.000 claims description 2
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- 230000006872 improvement Effects 0.000 description 7
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- 229910001018 Cast iron Inorganic materials 0.000 description 1
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- 208000027418 Wounds and injury Diseases 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
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Abstract
The utility model discloses a sealed oily device of getting for oil charge formula electrical equipment, include: the connecting seat, the flange plate, the valve and the oil taking nozzle are sequentially connected in a sealing manner in the axial direction; the centers of the connecting seat, the flange plate, the valve and the oil taking nozzle are sequentially communicated to form an oil sample flow passage; the end part of the connecting seat is connected with the oil taking port of the electrical equipment, and the opening and closing of the valve are adjusted, so that the speed of the oil sample flowing out of the electrical equipment can be adjusted. The utility model discloses a sealed oily device of getting for oil charge formula electrical equipment has compact structure, easy operation, can improve the efficiency and the high advantage such as security of getting oil appearance greatly.
Description
Technical Field
The utility model relates to a distribution oil extraction equipment technical field especially relates to a sealed oil extraction device for oil charge formula electrical equipment.
Background
In order to timely find the internal defects of the oil-filled electrical equipment and monitor the running condition of the transformer in real time, the defect analysis is required to be carried out on the alarm transformer. The common processing method is that a tester extracts transformer oil to analyze an oil sample, and the operation condition of the transformer is judged by detecting the content of dissolved gas components in the oil sample. When taking oil samples, the testing personnel need to use tools such as a wrench, a screwdriver, a water pipe wrench and the like comprehensively to open the sampling valve, and the operation process is complicated. Because the oil filling equipment of the transformer substation is numerous and the sampling valves are various, even part of the equipment cannot realize sealed sampling. The existing oil extraction method mainly has the following defects:
1. the conventional oil drain valve needs to be matched with an additional tool (a wrench, a pipe thread wrench and the like) to take an oil sample, great strength and skill are needed, the operation is inconvenient, and even equipment damage can be caused by improper operation.
2. Conventional fuel outlet valve is at the oil drain in-process, and the velocity of flow of producing oil is difficult to control, leads to on the one hand to produce the bubble in the oil appearance, and on the other hand easily causes transformer oil to spray, appears the oil leakage phenomenon.
3. When carrying out the mutual-inductor sample, get the oil mouth and be located the eminence, high altitude construction and sample operation are complicated, lead to the site operation risk great.
4. The conventional oil valve material of getting is mostly cast iron, exposes outdoors throughout the year, uses tools such as spanner to get oil operation repeatedly, appears slippery silk easily, rusts, risk such as fracture, brings the hidden danger for the safe operation of oil-filled formula electrical equipment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a compact structure, easy operation, can improve the sealed oil extraction device that is used for oil charge formula electrical equipment of oil sample efficiency and security greatly.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a sealed oil extraction device for an oil-filled electrical apparatus, comprising: the connecting seat, the flange plate, the valve and the oil taking nozzle are sequentially connected in a sealing manner in the axial direction; the centers of the connecting seat, the flange plate, the valve and the oil taking nozzle are sequentially communicated to form an oil sample flow passage; the end part of the connecting seat is connected with the oil taking port of the electrical equipment, and the opening and closing of the valve are adjusted, so that the speed of the oil sample flowing out of the electrical equipment can be adjusted.
As a further improvement of the utility model, the connecting seat is connected with the flange plate through bolts; a second sealing element is arranged at the joint of the connecting seat and the flange plate; and a flat washer and a spring washer are arranged at the joint of the bolt and the flange plate.
As a further improvement of the utility model, one end of the valve is in threaded connection with the flange plate, and the other end is in threaded connection with the oil taking nozzle; and a fourth sealing element is arranged at the joint of the valve and the flange plate, and a first sealing element is arranged at the joint of the valve and the oil taking nozzle.
As a further improvement, the sealed oil extraction device further comprises a dust cover, one end of the dust cover is sealed, and the other end of the dust cover is connected with the connecting seat through threads.
As a further improvement of the utility model, the dust cover is equipped with the third sealing member with the junction of connecting seat.
As a further improvement of the present invention, the first sealing member, the second sealing member, the third sealing member and the fourth sealing member are O-ring seals.
As a further improvement of the utility model, the valve is provided with a handle, and the opening and closing of the valve are controlled by rotating the handle.
As a further improvement, the valve is a stainless steel ball valve.
Compared with the prior art, the utility model has the advantages of:
1. the sealing oil taking device for the oil-filled electrical equipment of the utility model has the advantages that the sealing oil taking device with compact structure and small volume is formed by the connecting seat, the flange plate, the valve and the oil taking nozzle which are sequentially communicated in the axial direction, the installation of the sealing oil taking device on the electrical equipment can be completed by hermetically connecting the connecting seat and the oil taking port of the electrical equipment, and the sealing oil taking device can be repeatedly used after the installation is completed; the speed of the oil sample flowing out of the electrical equipment can be adjusted by adjusting the opening and closing of the valve, and the device is simple, easy, safe and reliable, greatly improves the working efficiency of oil sample taking, reduces the cost of oil sample taking, and effectively avoids the phenomenon of oil body injection in the electrical equipment caused by improper control of the flow rate of the oil sample.
2. The utility model discloses a sealed oily device of getting for oil charge formula electrical equipment has all set up the sealing member through the junction at connecting seat, ring flange, valve and get the glib talker, has both improved the sealing performance of sealed oily device of getting self, can prevent again that outside air from getting into electrical equipment inside and causing the potential safety hazard through getting oily device. Through setting up the dust cover, effectively prevent that the granule that the electrical equipment rusted the production and outside dust from getting oily device entering electrical equipment through sealed, reduced electrical equipment's operation risk.
Drawings
Fig. 1 is a schematic view of the structure principle of the sealed oil-taking device for oil-filled electrical equipment of the present invention.
Fig. 2 is a schematic view of the structure principle of the connection seat in the sealing oil-taking device for the oil-filled electrical equipment of the present invention.
Fig. 3 is a schematic structural view of a section a-a in fig. 2.
Fig. 4 is a schematic view of the structure principle of the dust cap in the sealed oil extraction device for the oil-filled electrical equipment of the present invention.
Fig. 5 is a schematic view of the structural principle of the flange plate in the sealed oil-taking device for the oil-filled electrical equipment of the present invention.
Fig. 6 is a schematic structural diagram of a section B-B in fig. 5.
Fig. 7 is a schematic view of the structure principle of the oil nozzle in the sealed oil-taking device for the oil-filled electrical equipment of the present invention.
Fig. 8 is a schematic structural view of the section C-C in fig. 7.
Illustration of the drawings:
1. a connecting seat; 2. a dust cap; 3. a flange plate; 4. taking an oil nozzle; 5. a handle; 6. a first seal member; 7. a valve; 8. a bolt; 81. bolt holes; 9. a flat washer; 10. a spring washer; 11. a second seal member; 111. a first groove; 12. a third seal member; 121. a second groove; 13. and a fourth seal.
Detailed Description
The invention will be further described with reference to the drawings and specific preferred embodiments without limiting the scope of the invention.
Examples
As shown in fig. 1, the utility model discloses a sealed oil extraction device for oil-filled electrical equipment, include: the connecting seat 1, the flange plate 3, the valve 7 and the oil taking nozzle 4 are sequentially connected in a sealing manner in the axial direction; the centers of the connecting seat 1, the flange plate 3, the valve 7 and the oil taking nozzle 4 are sequentially communicated to form an oil sample flow passage; the end part of the connecting seat 1 is used for realizing the connection of the sealed oil taking device and the oil taking port of the electrical equipment, and the opening and closing of the regulating valve 7 can regulate the speed of the oil sample flowing out of the electrical equipment.
In this embodiment, the connecting seat 1, the flange plate 3, the valve 7 and the oil taking nozzle 4 which are sequentially communicated in the axial direction form a sealed oil taking device with compact structure and small volume, the connecting seat and the electrical equipment oil taking port are hermetically connected, the installation of the sealed oil taking device on the electrical equipment can be completed, and the installation can be repeatedly used after the installation is completed. The speed of the oil sample flowing out of the electrical equipment can be adjusted by adjusting the opening and closing of the valve 7, and the device is simple, easy, safe and reliable, greatly improves the working efficiency of oil sample taking, reduces the cost of oil sample taking, and effectively avoids the phenomenon of oil body injection in the electrical equipment caused by improper control of the flow rate of the oil sample. The utility model discloses a sealed oily device of getting can be applicable to in the oil charge equipment of 110kV and above, the sample process is simple, has avoided the maintainer to carry out by the influence electricity injury when mutual-inductor samples to reduce the eminence activity duration, reduced on-the-spot personnel safety risk. In prior art, the oil sample taking time of an oil-filled electrical equipment is about 20 minutes, and adopts the utility model discloses a behind the sealed oil device of getting, can shorten the oil sample taking time to 10 minutes, greatly reduced the sample taking time, work efficiency has improved one time.
As shown in fig. 1, in the present embodiment, the connecting base 1 is connected to the flange 3 by bolts 8; a second sealing element 11 is arranged at the joint of the connecting seat 1 and the flange plate 3; the joint of the bolt 8 and the flange plate 3 is provided with a flat washer 9 and a spring washer 10. As shown in fig. 2 and 3, the outer contour of the connecting socket 1 is disc-shaped, and the end of the connecting socket 1 connected to the flange 3 is provided with a bolt hole 81 and a first groove 111, and the bolt hole 81 on the connecting socket 1 is a blind hole. As shown in fig. 1, 5 and 6, the bolt holes 81 in the flange plate 3 are through holes. The bolt 8 passes through the through hole on the flange plate 3 and enters the connecting seat 1, so that the connecting seat 1 and the flange plate 3 are connected. In order to improve the sealing performance between the connecting seat 1 and the flange plate 3, a first groove 111 is formed on the connecting seat 1 near the central through hole, and a second sealing element 11 is arranged in the first groove 111. In order to improve the sealing performance between the bolt 8 and the flange plate 3, a flat gasket 9 and a spring gasket 10 are arranged at the joint of the bolt 8 and the flange plate 3, and the bolt 8 is in sealing connection with the flange plate 3 through the matching of the flat gasket 9 and the spring gasket 10. It will be appreciated that in order to improve the stability of the connection between the connector holder 1 and the flange 3, a plurality of bolts 8 are provided for the connection. The number of the bolts 8 can be increased or decreased appropriately according to actual working requirements. Further, the bolt 8 may be a stainless cross round head bolt of M4 × 12, and the flat washer 9 and the spring washer 10 may be made of stainless steel. In this embodiment, the end portion of connecting seat 1 connected with the electrical equipment is provided with an internal thread, and connecting seat 1 and the oil taking port of the electrical equipment are connected by a thread. It can be understood that, in order to improve the application range of the sealed oil extraction device, the connection between the connecting seat 1 and the oil extraction port of the electrical equipment can also be realized through a corresponding adapter.
In the embodiment, one end of the valve 7 is in threaded connection with the flange plate 3, and the other end of the valve is in threaded connection with the oil taking nozzle 4; a fourth sealing element 13 is arranged at the joint of the valve 7 and the flange plate 3, and a first sealing element 6 is arranged at the joint of the valve 7 and the oil taking nozzle 4. Through set up the internal thread at the both ends of valve 7, set up corresponding external screw thread on ring flange 3 and get the glib 4, can realize the high-speed joint between valve 7 and ring flange 3 and the glib 4 of getting. The sealing parts are arranged at the joints of the valve 7, the flange plate 3 and the oil taking nozzle 4, so that the sealing performance of the oil taking device is further improved. As shown in fig. 7 and 8, the end part of the oil sampling nozzle 4 far away from the valve 7 is also provided with a thread, so that the connection stability between the oil sampling nozzle 4 and the oil loading equipment can be improved through the thread, and the oil loading equipment is prevented from falling or leaking oil in the oil sampling process. It can be understood that when taking oil samples, can get oil pipe with getting 4 connections of glib talker, the rethread three-way valve links to each other with the oil filling box.
As shown in fig. 1 and 4, the sealing oil-extracting device of the present invention further comprises a dust cover 2, one end of the dust cover 2 is sealed, and the other end is connected with the connecting seat 1 by screw thread. Further, a third sealing member 12 is arranged at the joint of the dust cover 2 and the connecting seat 1. Through setting up dust cover 2, effectively prevent that the rusty granule and the outside dust that produce of electrical equipment from getting oily device entering electrical equipment through sealed, reduced electrical equipment's operational risk. Set the dust cover 2 to with connecting seat 1 assorted drum structure to adopt threaded connection's mode, can realize the dismouting between connecting seat 1 and the dust cover 2 through single one-hand convenient and fast ground, effectively improved work efficiency. It can be understood that the threaded connection between the connecting seat 1 and the dust cover 2 can be realized by arranging the external thread on the connecting seat 1 and the internal thread at the end part of the opening of the dust cover 2. As shown in fig. 1 and 3, in order to further improve the sealing performance, a second groove 121 is provided on the connecting socket 1 at a side portion close to the threaded connection, and a third sealing member 12 is placed in the second groove 121 to improve the sealing performance between the connecting socket 1 and the dust cover 2.
In this embodiment, the first seal 6, the second seal 11, the third seal 12, and the fourth seal 13 are all O-rings. Furthermore, the O-shaped sealing ring can be prepared by adopting nitrile rubber. It is understood that in other embodiments, other soft materials with elastic deformation capability and excellent oil resistance can be used to prepare the O-ring.
All set up the sealing member through the junction at connecting seat 1, dust cap 2, ring flange 3, valve 7 and get the glib 4, both improved the sealing performance of sealed oily device self of getting, can prevent again that outside air from getting into inside the electrical equipment through getting oily device and causing the potential safety hazard.
In this embodiment, install handle 5 on the valve 7, through turning handle 5 control valve 7 open and shut, can realize the control of oil appearance velocity of flow. Further, the valve 7 is a stainless steel ball valve. It can be understood that, in this embodiment, connecting seat 1, ring flange 3, get glib 4 and handle 5 all can adopt stainless steel material preparation, and dust cap 2 can adopt aluminum alloy material preparation. Adopt stainless steel, can improve sealed sampling device in outdoor life, improve the safety in utilization of sealed oily device of getting, reduce electrical equipment's potential safety hazard. In other embodiments, the structural size of the handle 5 can be changed or the handle 5 can be reinforced, so that the use comfort and the service life of the sealed oil extraction device can be improved. When the oil sample is taken, other tools are not needed, the existing oil sample can be quickly taken only by opening the one-hand-one-close handle 5, and the oil sample taking process does not need abundant experience and skill of oil sample taking and does not need strong effort. The oil sampling process has no rotation action, thereby avoiding the reduction of the working quality caused by common working conditions such as cold weather and oil on hands, and simultaneously avoiding the potential safety hazard caused by thread slipping.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. Those skilled in the art can make numerous changes and modifications to the disclosed embodiments, or modify equivalent embodiments, without departing from the spirit and scope of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A sealed oil extraction device for an oil-filled electrical apparatus, comprising: the connecting seat (1), the flange plate (3), the valve (7) and the oil taking nozzle (4) are sequentially connected in a sealing manner in the axial direction; the centers of the connecting seat (1), the flange plate (3), the valve (7) and the oil taking nozzle (4) are sequentially communicated to form an oil sample flow passage; the end part of the connecting seat (1) is connected with the oil taking port of the electrical equipment, and the opening and closing of the regulating valve (7) can regulate the speed of the oil sample flowing out of the electrical equipment.
2. The sealed oil-taking device for oil-filled electrical equipment according to claim 1, wherein the connecting base (1) and the flange (3) are connected by a bolt (8); a second sealing element (11) is arranged at the joint of the connecting seat (1) and the flange plate (3); and a flat washer (9) and a spring washer (10) are arranged at the joint of the bolt (8) and the flange plate (3).
3. The sealed oil-taking device for oil-filled electrical equipment according to claim 2, wherein one end of the valve (7) is in threaded connection with the flange (3) and the other end is in threaded connection with the oil-taking nozzle (4); and a fourth sealing element (13) is arranged at the joint of the valve (7) and the flange plate (3), and a first sealing element (6) is arranged at the joint of the valve (7) and the oil taking nozzle (4).
4. The oil-filled electrical equipment sealing and taking device as claimed in claim 3, further comprising a dust cover (2), wherein one end of the dust cover (2) is sealed, and the other end is in threaded connection with the connecting base (1).
5. The sealed oil-taking device for oil-filled electrical equipment according to claim 4, wherein a third sealing member (12) is arranged at the joint of the dust cover (2) and the connecting seat (1).
6. The sealed oil extraction device for oil-filled electrical equipment according to claim 5, wherein the first seal (6), the second seal (11), the third seal (12) and the fourth seal (13) are all O-ring seals.
7. The sealed oil extraction device for the oil-filled electrical equipment according to any one of claims 1 to 6, wherein the valve (7) is provided with a handle (5), and the opening and closing of the valve (7) are controlled by rotating the handle (5).
8. The sealed oil extraction device for oil-filled electrical equipment according to claim 7, wherein the valve (7) is a stainless steel ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022557808.3U CN214277502U (en) | 2020-11-06 | 2020-11-06 | Sealing oil taking device for oil-filled electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022557808.3U CN214277502U (en) | 2020-11-06 | 2020-11-06 | Sealing oil taking device for oil-filled electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214277502U true CN214277502U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022557808.3U Active CN214277502U (en) | 2020-11-06 | 2020-11-06 | Sealing oil taking device for oil-filled electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214277502U (en) |
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2020
- 2020-11-06 CN CN202022557808.3U patent/CN214277502U/en active Active
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