CN217424879U

CN217424879U - Current transformer oil sample collector

Info

Publication number: CN217424879U
Application number: CN202123218891.2U
Authority: CN
Inventors: 赵铁羽; 次仁尼玛; 张宏; 巴桑次仁; 刘佩佩; 赵得胜; 云旦平措; 扎西拉姆; 次旺白姆; 占都
Original assignee: STATE GRID CHONGQING ELECTRIC POWER COMPANY BISHAN POWER SUPPLY BRANCH; State Grid Tibet Electric Power Construction Co ltd
Current assignee: STATE GRID CHONGQING ELECTRIC POWER COMPANY BISHAN POWER SUPPLY BRANCH; State Grid Tibet Electric Power Construction Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-09-13
Anticipated expiration: 2031-12-10

Abstract

The utility model provides a current transformer oil sample collector, which relates to the technical field of current transformer insulating oil measurement and comprises a valve body and a valve rod for propping the top ball of a current transformer oil valve; the valve body is hollow, a partition plate which divides the interior of the valve body into a left flow guide part and a right control part is arranged in the valve body, an opening is formed in one end, away from the partition plate, of the left flow guide part, internal threads in threaded connection with the outer surface of the oil valve of the current transformer are arranged on the inner wall of the opening, and an oil outlet is further formed in the lower end of the left flow guide part; the valve rod runs through left water conservancy diversion portion and right control portion and along division board to open-ended direction sliding connection on the division board, right control portion is equipped with the drive assembly who drives the valve rod and remove. It has solved the artifical problem of getting oil and leading to the easy seepage of oil sample that exists among the prior art.

Description

Current transformer oil sample collector

Technical Field

The utility model relates to a measurement technical field of current transformer insulating oil especially relates to a current transformer oil appearance collector.

Background

The insulating oil in the current transformer is used for isolating equipment from contacting with air, and plays an important insulating role. In order to ensure the safe operation of the current transformer, testers need to extract insulating oil of the current transformer periodically for test analysis. At present, during sampling of insulating oil of a current transformer, workers use hard objects such as a screwdriver and the like to forcibly prop against an oil valve top bead of the current transformer, an oil taking channel is opened, and the insulating oil flows out and is collected. However, such a way of extracting oil results in an oil sample that is prone to leakage.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a current transformer oil appearance collector, its artifical oil extraction that has solved existence among the prior art leads to the easy seepage problem of oil appearance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a current transformer oil sample collector comprises a valve body and a valve rod for propping against a current transformer oil valve top ball;

the valve body is hollow, a partition plate for dividing the interior of the valve body into a left flow guide part and a right control part is arranged in the valve body, an opening is formed in one end, far away from the partition plate, of the left flow guide part, internal threads in threaded connection with the outer surface of the oil valve of the current transformer are formed in the inner wall of the opening, and an oil outlet is further formed in the lower end of the left flow guide part;

the valve rod runs through left water conservancy diversion portion and right control portion and along division board to open-ended direction sliding connection on the division board, right control portion is equipped with the drive assembly who drives the valve rod and remove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the surface threaded connection of the valve body's the oil valve that is equipped with open-ended one end and current transformer makes the insulating oil flow into in the valve body, sets up the oil-out, through collecting insulating oil at the oil-out, when the valve rod withstood current transformer oil valve top pearl, insulating oil flowed out, sets up drive assembly, and control valve rod withstands the moment and the time of oil valve top pearl, makes insulating oil collect by the valve body completely, avoids the oil appearance seepage.

Preferably, drive assembly includes connecting block, compression spring and control lever, connecting block fixed connection be in drive the valve rod and be located the one end of right control part, the compression spring cover is established just be located on the valve rod between division board and the connecting block, control lever one end is rotated and is connected on the connecting block, the other end stretches out the valve body and fixed rectangle fixed strip that is equipped with outward, the axis of control lever is parallel with the axis of valve rod, be equipped with the confession on the valve body the rectangular hole that the rectangle fixed strip passed.

Preferably, still be equipped with the backup pad between internal thread and the oil-out, the valve rod passes and sliding connection is in the backup pad, be equipped with the intercommunication in the backup pad left side water conservancy diversion portion is equipped with the through-hole of the one end of internal screw thread one end and oil-out, the valve rod is located left water conservancy diversion portion and is equipped with the circular kicking block that the internal screw thread one end set firmly and is used for withstanding current transformer oil valve kicking bead, the diameter of circular kicking block is greater than the diameter of valve rod.

Preferably, one end of the internal thread, which is close to the support plate, is provided with a sealing element.

Preferably, the oil outlet is connected with an oil collecting funnel, the lower end of the oil collecting funnel is provided with an oil sample pipe, the lower end of the oil sample pipe is detachably connected with an oil collecting bottle, and an oil sample valve is installed on the oil sample pipe.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic partial sectional view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic side view of a part of the structure of the embodiment of the present invention.

In the above drawings: 1. a valve body; 10. a seal member; 11. an internal thread; 12. an oil outlet; 13. an oil collecting funnel; 14. an oil collecting bottle; 15. an oil sample valve; 101. a left flow guide part; 102. a right control section; 2. a valve stem; 3. a partition plate; 4. connecting blocks; 5. a compression spring; 6. a control lever; 7. a rectangular fixing strip; 8. a support plate; 81. a through hole; 9. and a circular top block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and actions of the present invention clearer and easier to understand, the following technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1, an embodiment of the present invention provides a current transformer oil sample collector, which includes a valve body 1 and a valve rod 2 for propping against a current transformer oil valve top ball; the inside of the valve body 1 is hollow, a partition plate 3 which divides the inside of the valve body 1 into a left flow guide part 101 and a right control part 102 is arranged inside the valve body 1, an opening is formed in one end, far away from the partition plate 3, of the left flow guide part 101, the inner wall of the opening is provided with an internal thread 11 in threaded connection with the outer surface of the oil valve of the current transformer, and an oil outlet 12 is further formed in the lower end of the left flow guide part 101; the valve rod 2 penetrates through the left flow guide part 101 and the right control part 102 and is connected to the partition plate 3 in a sliding mode along the direction of the opening of the partition plate 3, and the right control part 102 is provided with a driving assembly for driving the valve rod 2 to move.

The valve body 1 is provided with an opening with internal threads 11, the opening is in threaded fit with an oil valve of the current transformer, an oil outlet of the oil valve of the current transformer is completely wrapped, and all insulation oil in the oil valve flows into the valve body 1; the valve body 1 is divided into a left flow guide part 101 and a right control part 102 by the partition plate 3, all the insulating oil is positioned in the left flow guide part 101, and the left flow guide part 101 is provided with an oil outlet 12, so that the insulating oil in the valve body 1 can be conveniently collected in a centralized manner; right control part 102 sets up drive assembly, drive valve rod 2 removes, when the opening of valve body 1 and current transformer's oil valve screw-thread fit, drive valve rod 2 removes and withstands current transformer oil valve and withstands pearl, insulating oil just flows out and flows in valve body 1's left water conservancy diversion portion 101 from the oil valve, when collecting sufficient insulating oil, drive valve rod 2 no longer withstands current transformer oil valve and withstands pearl, treat that insulating oil no longer flows, then take off this collector again, ensure that no insulating oil spills.

As shown in fig. 1 and 2, the driving assembly includes a connecting block 4, a compression spring 5 and a control rod 6, the connecting block 4 is fixedly connected to drive the valve rod 2 to be located in one end of the right control part 102, the compression spring 5 is sleeved on the valve rod 2 and is located between the partition plate 3 and the connecting block 4, one end of the control rod 6 is rotatably connected to the connecting block 4, the other end of the control rod extends out of the valve body 1 and is fixedly provided with a rectangular fixing strip 7, the axis of the control rod 6 is parallel to the axis of the valve rod 2, and a rectangular hole is formed in the valve body 1 for the rectangular fixing strip 7 to pass through. When the valve rod 2 is required to be driven to abut against the top bead of the oil valve of the current transformer, the control rod 6 is enabled to move towards one end, provided with an opening, of the valve body 1, when the rectangular fixing strip 7 is moved to be in contact with the valve body 1, the control rod 6 is rotated, the rectangular fixing strip 7 penetrates through a rectangular hole in the valve body 1 to enter the right control part 102, at the moment, the top bead of the oil valve of the current transformer is abutted against the valve rod 2, in the moving process of the control rod 6, the compression spring 5 is compressed, then the control rod 6 is rotated again, the control rod 6 is enabled to rotate to the position, staggered with the rectangular fixing strip 7 and the rectangular hole, the control rod 6 is loosened, the elastic force of the compression spring 5 enables the rectangular fixing strip 7 to abut against the inner wall of the valve body 1, and the control rod 6 cannot move any more; when the current transformer oil valve ejector pin does not need to be propped, the control rod 6 is rotated, the rectangular fixing strip 7 penetrates out of the valve body 1 through the rectangular hole, and the elastic force of the compression spring 5 enables the control rod 6 to move towards the end away from the valve body 1 and provided with the opening smoothly until the compression spring 5 recovers to a natural state.

As shown in fig. 1, still be equipped with backup pad 8 between internal thread 11 and the oil-out 12, valve rod 2 passes and sliding connection is in on the backup pad 8, be equipped with the intercommunication in the backup pad 8 left side water conservancy diversion portion 101 is equipped with the through-hole 81 of the one end of internal thread 11 and the one end of oil-out 12, the one end that valve rod 2 is located left water conservancy diversion portion 101 and is equipped with internal thread 11 sets firmly the circular kicking block 9 that is used for withstanding current transformer oil valve kicking bead, the diameter of circular kicking block 9 is greater than the diameter of valve rod 2. The supporting plate 8 is arranged and used for supporting the valve rod 2, so that the valve rod 2 can move more stably; the through hole 81 is provided to facilitate the insulating oil to flow from the through hole 81 into the area where the oil outlet 12 is provided and to be collected; circular kicking block 9 is used for withstanding current transformer oil valve ejector pin, and the diameter of circular kicking block 9 is greater than the diameter of valve rod 2 for valve rod 2 sets firmly the one end of circular kicking block 9 and can not remove 8 opposite sides of backup pad because of compression spring 5's elasticity in one side of backup pad 8.

As shown in fig. 1, a sealing member 10 is provided at one end of the internal thread 11 near the support plate 8. The oil-taking device can prevent leakage during oil taking, and is favorable for improving the sealing performance and the working reliability. The sealing element 10 may be an O-ring, an oil seal, a silicone pad, etc., and the O-ring is selected in this embodiment.

As shown in fig. 1, the oil outlet 12 is connected with an oil collecting funnel 13, the lower end of the oil collecting funnel 13 is provided with an oil sample tube, the lower end of the oil sample tube is detachably connected with an oil collecting bottle 14, and the oil sample tube is provided with an oil sample valve 15. Set up oil appearance valve 15, can close or open at any time, collection oil bottle 14 is used for collecting the oil appearance, prevents insulating oil and atmosphere contact, and the sample degree of accuracy is high, and when collecting the oil appearance of required amount, close oil appearance valve 15, remaining oil is then collected in collection oil funnel 13, and the centralized processing of being convenient for avoids polluting current transformer and environment.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a current transformer oil appearance collector which characterized in that: comprises a valve body (1) and a valve rod (2) for propping against a current transformer oil valve top ball;

the inner part of the valve body (1) is hollow, a partition plate (3) which divides the inner part of the valve body (1) into a left flow guide part (101) and a right control part (102) is arranged in the valve body (1), an opening is formed in one end, far away from the partition plate (3), of the left flow guide part (101), internal threads (11) which are in threaded connection with the outer surface of the oil valve of the current transformer are arranged on the inner wall of the opening, and an oil outlet (12) is formed in the lower end of the left flow guide part (101);

the valve rod (2) penetrates through the left flow guide part (101) and the right control part (102) and is connected to the partition plate (3) in a sliding mode in the opening direction along the partition plate (3), and the right control part (102) is provided with a driving assembly driving the valve rod (2) to move.

2. The current transformer oil sample collector of claim 1, wherein: drive assembly includes connecting block (4), compression spring (5) and control lever (6), connecting block (4) fixed connection be in drive valve rod (2) are located the one end of right control portion (102), compression spring (5) cover is established just be located on valve rod (2) between division board (3) and connecting block (4), control lever (6) one end is rotated and is connected on connecting block (4), the other end stretches out valve body (1) outer and fixed rectangle fixed strip (7) that is equipped with, the axis of control lever (6) is parallel with the axis of valve rod (2), be equipped with the confession on valve body (1) the rectangular hole that rectangle fixed strip (7) passed.

3. The current transformer oil sample collector of claim 2, wherein: still be equipped with backup pad (8) between internal thread (11) and oil-out (12), valve rod (2) pass and sliding connection be in on backup pad (8), be equipped with the intercommunication on backup pad (8) left side water conservancy diversion portion (101) are equipped with through-hole (81) of the one end of internal thread (11) and the one end of oil-out (12), valve rod (2) are located the one end that left water conservancy diversion portion (101) were equipped with internal thread (11) and set firmly circular kicking block (9) that are used for withstanding current transformer oil valve kicking bead, the diameter of circular kicking block (9) is greater than the diameter of valve rod (2).

4. The current transformer oil sample collector of claim 3, wherein: and a sealing element (10) is arranged at one end of the internal thread (11) close to the support plate (8).

5. The current transformer oil sample collector of claim 4, wherein: the oil outlet (12) is connected with an oil collecting funnel (13), the lower end of the oil collecting funnel (13) is provided with an oil sample pipe, the lower end of the oil sample pipe is detachably connected with an oil collecting bottle (14), and an oil sample valve (15) is installed on the oil sample pipe.