CN110853884A - Transformer oil supplementing device - Google Patents
Transformer oil supplementing device Download PDFInfo
- Publication number
- CN110853884A CN110853884A CN201911021796.8A CN201911021796A CN110853884A CN 110853884 A CN110853884 A CN 110853884A CN 201911021796 A CN201911021796 A CN 201911021796A CN 110853884 A CN110853884 A CN 110853884A
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- China
- Prior art keywords
- oil
- pipe
- transformer
- tank
- joint
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of transformers, in particular to a transformer oil supplementing device which comprises an oil tank, an internal gear pump and an inner oil pipe, wherein an oil outlet joint is arranged on the oil tank, the internal gear pump is arranged in the oil tank, an oil inlet of the internal gear pump is positioned at the bottom of the oil tank, two ends of the inner oil pipe are respectively connected with an oil outlet and the oil outlet joint of the internal gear pump, an oil discharging joint for pouring out residual oil is arranged on the oil tank, the oil discharging joint is arranged on the bottom surface or the side surface of the oil tank, the horizontal height of the oil discharging joint is smaller than that of the oil outlet joint, the oil outlet joint is connected with an oil supplementing pipe through a connecting hoop, a control valve is arranged on the oil supplementing pipe. This device convenient to use can conveniently insert in the transformer tank and prevent deviating from, and can adjust filling speed and effectively prevent that the oil from spilling over the phenomenon.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an oil supplementing device for a transformer.
Background
The transformer oil is an important element in the running process of the transformer, can play an insulating role, has much higher insulating strength than air, can also avoid elements from being eroded by moisture, and has a heat dissipation effect due to large specific heat; the heat conducting performance is good, and the arc extinction effect can be achieved on the transformer.
As in application No.: CN201420417036.5, it discloses a transformer oil supplementing device, the oil tank comprises an oil tank, crescent gear pump and interior oil pipe, set up the main through-hole that supplies interior oil pipe to pass on the oil tank, crescent gear pump adorns inside the oil tank, crescent gear pump's oil inlet is located the oil tank bottom, crescent gear pump's oil-out and main through-hole are connected respectively to interior oil pipe both ends, set up the vice through-hole that supplies surplus oil to pour on the oil tank, vice through-hole sets up in oil tank bottom surface or side, vice through-hole level is less than main through-hole level, main through-hole corresponds the oil tank external connection and.
Above-mentioned application low cost just is fit for field work personnel to carry, removable oil pipe has the function of pouring out the residual oil easily, but throws away and has following several not enough: firstly, the use is not convenient enough, and when the oil inlet pipe is inserted into the transformer oil tank, the oil inlet pipe needs to be held by one hand to prevent the oil inlet pipe from being separated from the transformer oil tank, so that the use convenience is reduced; secondly, the structure is healthy and reasonable inadequately, and above-mentioned application can not control the speed of pouring oil when using, leads to the oil to spill over easily, and can not absorb the oil of transformer tank mouth department when the filling is overfull, and the oil spills over when leading to the twist cap.
Disclosure of Invention
The invention provides a transformer oil supplementing device which is convenient to use, can be conveniently inserted into a transformer oil tank and prevented from falling off, and can adjust the filling speed and effectively prevent oil from overflowing.
The technical scheme of the invention is as follows:
the utility model provides a transformer oil supplementing device, includes oil tank, crescent gear pump and interior oil pipe, has seted up out the oil joint on the oil tank, and crescent gear pump adorns inside the oil tank, and crescent gear pump's oil inlet is located the oil tank bottom, and crescent gear pump's oil-out and oil outlet joint are connected respectively to interior oil pipe both ends, set up the oil extraction joint that supplies surplus oil to pour out on the oil tank, and the oil extraction joint sets up in oil tank bottom surface or side, and the oil extraction joint level is less than out oil and connects the level, it has one to mend oil pipe through connecting the clamp connection on the oil outlet joint, mend and be equipped with control flap on the oil pipe, mend oil pipe's end.
The oil supplementing pipe is provided with a control valve, so that when the device is used, on one hand, filling can be stopped quickly by closing the control valve, and the control valve can also adjust the filling speed; on the other hand, the compression type oil pumping bottle is arranged at the tail end of the oil supplementing pipe, so that after the control valve is closed, the compression type oil pumping bottle only needs to absorb oil in the oil supplementing pipe positioned on the front side of the control valve, so that the volume of the compression type oil pumping bottle can be properly reduced, when the compression type oil pumping bottle is used, the compression type oil pumping bottle can absorb the oil at the front end of the oil supplementing pipe and the oil supplementing opening of the transformer oil tank when the compression type oil pumping bottle is filled to be full, and the oil is prevented from leaking due to excessive oil when the oil tank cover of the transformer is screwed; moreover, the oil supplementing pipe is conveniently and rapidly inserted into an oil supplementing port of the transformer oil tank through the barb structure, and the barb structure effectively prevents the oil supplementing pipe from being separated from the transformer oil tank during filling.
Furthermore, the welding has a connecting pipe on the benefit oil pipe, the connecting pipe with benefit oil pipe switches on, the entry of compression oil pumping bottle with the connecting pipe is pegged graft and is locked with the bolt. The compression type oil pumping bottle absorbs oil in the oil supplementing pipe through the connecting pipe, and when the oil pumping bottle is absorbed, the oil pumping bottle can be absorbed only by extruding the compression type oil pumping bottle.
Further, barb structure locates mend oil pipe's outer wall and being located the connecting pipe is kept away from one side of oil outlet joint, barb structure includes the couple fixing base, couple fixing base sliding connection in mend on the oil pipe, just it is the annular array form and rotates and be connected with four couples to couple on the fixing base, mend oil pipe and go up one of fixedly connected with and keep off the ring, four the hook portion of couple with keep off the ring and contact, and it has an adjusting nut to be used for adjusting to mend threaded connection on the oil pipe the position of couple fixing base.
When the oil supplementing pipe is inserted into an oil supplementing port of the transformer oil tank, the hook fixing seat can be pushed to slide to one side of the blocking ring by screwing the adjusting nut, the hook portions of the four hooks on the hook fixing seat are propped up and unfolded under the action of the blocking ring, and the hook portions of the hooks can hook on the oil tank port at the moment so as to prevent the oil supplementing pipe from being separated from the transformer oil tank during filling.
Furthermore, a spring is sleeved between the hook fixing seat and the baffle ring on the outer wall of the oil supplementing pipe. After the adjusting nut is unscrewed, the hook fixing seat and the hook can automatically return under the elastic force action of the spring.
Further, the baffle ring is a ring magnet. Therefore, the baffle ring can adsorb the four hooks, and the hanging hook at the lower part is prevented from drooping to influence the insertion of the oil supplementing pipe into the transformer oil tank.
Further, the oil discharge joint is provided with a sealing cover. Therefore, when the portable oil drain device is carried, the sealing cover can be used for sealing the oil drain joint to prevent dust from entering.
Further, an oil filling port is arranged at the top of the oil tank, and a cover is arranged at the oil filling port. The transformer oil can be filled into the oil tank through the oil filling port.
Furthermore, the top of oil tank is equipped with the crank, the one end of crank is equipped with the connecting rod, the other end of connecting rod passes through the bearing penetrate in the oil tank with crescent gear pump's drive shaft transmission is connected. When needing to mend oil, the rotatory crank of manpower, the crank can drive crescent gear pump through the connecting rod and rotate, and then makes the transformer oil of crescent gear pump extraction mend oil to transformer tank through mending oil pipe, and reverse rotation crank can pump oil to transformer tank certainly.
The invention has the beneficial effects that:
the oil supplementing pipe structure is improved, before oil supplementing is carried out, the oil supplementing pipe is firstly inserted into the transformer oil tank, the adjusting nut on the barb structure is rotated, the hook is supported under the action of the retaining ring, and the oil supplementing pipe can be hooked on an oil supplementing port of the transformer oil tank through the hook part of the hook at the moment, so that the oil supplementing pipe is prevented from being separated from the transformer oil tank in the filling process; when oil is supplemented, on one hand, filling can be stopped quickly by closing the control valve, and the control valve can also adjust the filling speed; on the other hand, after the control valve is closed, the compression type oil pumping bottle is pressed, the compression type oil pumping bottle absorbs oil in the oil supplementing pipe located on the front side of the control valve through the connecting pipe, and the oil at the front end of the oil supplementing pipe and the oil supplementing opening of the transformer oil tank can be absorbed so as to prevent the oil from leaking due to excessive oil when the oil tank cover of the transformer is screwed.
Drawings
FIG. 1 is a schematic axial view of the present invention;
FIG. 2 is an enlarged axial view of the oil compensating pipe;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
in the figure: 1-box body, 2-oil outlet joint, 3-oil discharge joint, 4-oil supply pipe, 5-control valve, 6-connecting pipe, 7-compression type oil pumping bottle, 8-hook fixing seat, 9-hook, 10-retaining ring, 11-adjusting nut, 12-spring, 13-oil injection port and 14-crank.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1-3, a transformer oil supplementing device comprises an oil tank 1, an internal gear pump and an internal oil pipe, wherein an oil outlet joint 2 is arranged on the oil tank 1, the internal gear pump is arranged inside the oil tank 1, an oil inlet of the internal gear pump is arranged at the bottom of the oil tank 1, two ends of the internal oil pipe are respectively connected with an oil outlet of the internal gear pump and the oil outlet joint 2, an oil discharging joint 3 for discharging residual oil is arranged on the oil tank 1, the oil discharging joint 3 is arranged at the bottom surface or the side surface of the oil tank 1, the horizontal height of the oil discharging joint 3 is smaller than that of the oil outlet joint 2, an oil supplementing pipe 4 is connected to the oil outlet joint 2 through a connecting hoop, a control valve 5 is arranged at the position of the oil supplementing pipe 4 close to the head end, a connecting pipe 6 is welded at the front side of the control valve 5 by the oil supplementing pipe 4, the entry of compression oil pumping bottle 7 is pegged graft with connecting pipe 6 and is locked with the bolt, front side at connecting pipe 6 is equipped with barb structure, barb structure is including couple fixing base 8, 8 sliding connection of couple fixing base are on moisturizing oil pipe 4, and it is the annular array form and rotates and be connected with four couples 9 on the couple fixing base 8, it keeps off ring 10 to be fixedly connected with on the oil pipe 4, the hook portion of four couples 9 contacts with keeping off ring 10, and threaded connection has an adjusting nut 11 to be used for adjusting the position of couple fixing base 8 on moisturizing oil pipe 4.
The oil supplementing pipe 4 is provided with a control valve 5, so that when the device is used, on one hand, filling can be stopped quickly by closing the control valve 5, and the control valve 5 can also adjust the filling speed; on the other hand, the compression type oil pumping bottle 7 is arranged at the tail end of the oil supplementing pipe 4, so after the control valve 5 is closed, the compression type oil pumping bottle 7 only needs to absorb oil in the oil supplementing pipe 4 positioned on the front side of the control valve 5, the volume of the compression type oil pumping bottle 7 can be properly reduced, when the compression type oil pumping bottle 7 is used, the compression type oil pumping bottle 7 can absorb the oil at the front end of the oil supplementing pipe 4 and the oil supplementing opening of the transformer oil tank when the compression type oil pumping bottle is filled to be full, and the oil is prevented from leaking due to excessive oil when the oil tank cover of the transformer is screwed; moreover, the oil supplementing pipe 4 can be rapidly inserted into an oil supplementing opening of the transformer oil tank through the barb structure, when the oil supplementing pipe 4 is inserted into the oil supplementing opening of the transformer oil tank, the hook fixing seat 8 can be pushed to slide towards one side of the retaining ring 10 through screwing the adjusting nut 11, the hook portions of the four hooks 9 on the hook fixing seat 8 are supported and unfolded under the action of the retaining ring 10, and the hook portions of the hooks 9 can hook on the oil tank opening at the moment so as to prevent the oil supplementing pipe 4 from being separated from the transformer oil tank during filling.
In this embodiment, the compression type oil pumping bottle 7 absorbs the oil in the oil supply pipe 4 through the connecting pipe 6, and when the absorption is performed, the absorption can be performed only by extruding the compression type oil pumping bottle 7.
In this embodiment, a spring 12 is sleeved between the hook fixing seat 8 and the baffle ring 10 on the outer wall of the oil supply pipe 4, so that the hook fixing seat 8 and the hook 9 can automatically return under the elastic force of the spring 12 after the adjusting nut 11 is unscrewed.
In this embodiment, the baffle ring 10 is a ring magnet, so the baffle ring 10 can adsorb the four hooks 9, and prevent the hanging of the lower hooks 9 from affecting the insertion of the oil supply pipe 4 into the transformer oil tank.
In this embodiment, the oil drain connector 3 is provided with a sealing cover, so that the sealing cover can be used to seal the oil drain connector 3 to prevent dust from entering when the portable device is carried.
In this embodiment, the top of the oil tank 1 is provided with an oil filling port, the oil filling port 13 is provided with a cover, transformer oil can be filled into the oil tank 1 through the oil filling port 13, and the cover seals the oil filling port 13 to prevent dust from entering.
In this embodiment, the top of the oil tank 1 is provided with a crank 14, one end of the crank 14 is provided with a connecting rod, and the other end of the connecting rod penetrates into the oil tank 1 through a bearing and is in transmission connection with a driving shaft of the internal gear pump. When oil needs to be replenished, the crank 14 is rotated manually, the crank 14 can drive the crescent gear pump to rotate through the connecting rod, then transformer oil extracted by the crescent gear pump is replenished to the transformer oil tank through the oil replenishing pipe 4, and certainly, the transformer oil tank can be pumped by reversely rotating the crank 14.
The specific use mode and function of the embodiment are as follows:
before oil supplement is carried out, firstly, the oil tank 1 is filled with transformer oil through an oil filling port 13 on the oil tank 1, then a cover is covered to seal the oil filling port 13, the tail end of an oil supplement pipe 4 is inserted into the oil supplement port of the transformer oil tank, an adjusting nut 11 on a barb structure is rotated to enable a hook fixing seat 8 to slide towards one side of a baffle ring 10, a hook part of a hook 9 is supported under the action of the baffle ring 10, and at the moment, the oil supplement pipe 4 can be hooked on the oil supplement port of the transformer oil tank through the hook part of the hook 9 to prevent the oil supplement pipe 4 from being separated from the transformer oil tank in the oil supplement process; when oil is supplemented, the crank 14 is manually rotated, the crank 14 can drive the crescent gear pump to rotate through the connecting rod, so that transformer oil pumped by the crescent gear pump flows to the oil supplementing pipe 4 through the oil outlet connector 2 to supplement the oil to the transformer oil tank, the filling can be quickly stopped by closing the control valve 5, and the filling speed can be adjusted by the control valve 5; after the oil is supplemented, the control valve 5 is closed, the compression type oil pumping bottle 7 is pressed, the compression type oil pumping bottle 7 absorbs oil in the oil supplementing pipe 4 on the front side of the control valve 5 through the connecting pipe 6, the oil at the front end of the oil supplementing pipe 4 and the oil supplementing opening of the transformer oil tank can be absorbed, and the oil is prevented from leaking due to excessive oil when the oil tank cover of the transformer is screwed.
When the oil supplementing device is not used any more, the sealing cover of the oil discharging joint 3 is opened, residual oil in the oil tank 1 is discharged, and the sealing cover is covered again after the residual oil is discharged.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a transformer oil supplementing device, includes oil tank, crescent gear pump and interior oil pipe, has seted up out the oil joint on the oil tank, and crescent gear pump adorns inside the oil tank, and crescent gear pump's oil inlet is located the oil tank bottom, and crescent gear pump's oil-out and oil outlet joint are connected respectively to interior oil pipe both ends, set up the oil extraction joint that supplies surplus oil to pour out on the oil tank, and the oil extraction joint sets up in oil tank bottom surface or side, and the oil extraction joint level is less than out oil and connects the level, its characterized in that, it has one to mend oil pipe through connecting the clamp connection on the oil outlet joint, mend and be equipped with control flap on the oil pipe, mend oil pipe's.
2. The transformer oil supplementing device according to claim 1, wherein a connecting pipe is welded on the oil supplementing pipe, the connecting pipe is communicated with the oil supplementing pipe, and an inlet of the compression type oil pumping bottle is inserted into the connecting pipe and locked by a bolt.
3. The oil supply device of the transformer according to claim 2, wherein the barb structure is disposed on an outer wall of the oil supply pipe and located on a side of the connecting pipe away from the oil outlet joint, the barb structure includes a hook fixing seat, the hook fixing seat is slidably connected to the oil supply pipe, four hooks are rotatably connected to the hook fixing seat in an annular array, a stop ring is fixedly connected to the oil supply pipe, hook portions of the four hooks are in contact with the stop ring, and an adjusting nut is threadedly connected to the oil supply pipe for adjusting a position of the hook fixing seat.
4. The transformer oil supplementing device according to claim 3, wherein a spring is sleeved on the outer wall of the oil supplementing pipe between the hook fixing seat and the baffle ring.
5. The transformer oil replenishing device according to claim 3 or 4, wherein the baffle ring is a ring magnet.
6. The oil supplementing device of the transformer according to claim 1, wherein the oil discharging joint is provided with a sealing cover.
7. The oil replenishing device for the transformer according to claim 1, wherein a top of the oil tank is provided with an oil filling port, and the oil filling port is provided with a cover.
8. The transformer oil supplementing device according to claim 1, wherein a crank is arranged at the top of the oil tank, a connecting rod is arranged at one end of the crank, and the other end of the connecting rod penetrates into the oil tank through a bearing to be in transmission connection with a driving shaft of the internal gear pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021796.8A CN110853884A (en) | 2019-10-25 | 2019-10-25 | Transformer oil supplementing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021796.8A CN110853884A (en) | 2019-10-25 | 2019-10-25 | Transformer oil supplementing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110853884A true CN110853884A (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911021796.8A Pending CN110853884A (en) | 2019-10-25 | 2019-10-25 | Transformer oil supplementing device |
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| CN (1) | CN110853884A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308923A (en) * | 2021-12-30 | 2022-04-12 | 老肯医疗科技股份有限公司 | Purging and drying device for inner cavity of endoscope |
-
2019
- 2019-10-25 CN CN201911021796.8A patent/CN110853884A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308923A (en) * | 2021-12-30 | 2022-04-12 | 老肯医疗科技股份有限公司 | Purging and drying device for inner cavity of endoscope |
| CN114308923B (en) * | 2021-12-30 | 2022-12-06 | 老肯医疗科技股份有限公司 | Scope inner chamber sweep drying device |
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