CN220252994U - Oil gun for oil immersed transformer under vacuum state - Google Patents
Oil gun for oil immersed transformer under vacuum state Download PDFInfo
- Publication number
- CN220252994U CN220252994U CN202321965900.0U CN202321965900U CN220252994U CN 220252994 U CN220252994 U CN 220252994U CN 202321965900 U CN202321965900 U CN 202321965900U CN 220252994 U CN220252994 U CN 220252994U
- Authority
- CN
- China
- Prior art keywords
- oil
- immersed transformer
- filler pipe
- conduit
- liquid level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims description 21
- 239000000446 fuel Substances 0.000 abstract description 12
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a fuel gun for an oil immersed transformer in a vacuum state, which comprises a fuel filling pipe and a conduit, wherein the fuel filling pipe is internally provided with a baffle plate, the conduit is connected with the baffle plate after penetrating through the top of the fuel filling pipe, the conduit is provided with a threading hole, the fuel filling pipe is provided with an oil inlet and an oil outlet, a buckle cover is arranged between the oil inlet and the oil outlet, the buckle cover is provided with an exhaust hole, the baffle plate is provided with a liquid level switch, a floating ball of the liquid level switch is positioned below the baffle plate, and the liquid level switch is arranged in the fuel filling pipe.
Description
Technical Field
The utility model relates to a fuel gun, in particular to a fuel gun for an oil immersed transformer in a vacuum state.
Background
Because gaps exist between iron cores or coils inside the oil immersed transformer and air is mixed in the gaps, when the oil immersed transformer is refueled, the situation that oil in the oil immersed transformer is not added in place or is not fully added finally affects the performance and the service life of the oil immersed transformer can be solved, when the oil immersed transformer is refueled at present, the oil immersed transformer is placed in a vacuum box, the air in the oil immersed transformer is pumped away firstly in a vacuumizing mode, and then the oil is refueled in the oil immersed transformer in the vacuum state.
Disclosure of Invention
The technical task of the utility model is to provide the oil gun for the oil immersed transformer in a vacuum state aiming at the defects of the prior art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an oil gun for oil-immersed transformer under vacuum state, includes oil filler pipe and conduit, oil filler pipe's top is seal structure, and oil filler pipe's bottom is uncovered be equipped with the baffle in the oil filler pipe, the conduit passes behind the top of oil filler pipe and is connected with the baffle be equipped with the through wires hole on the conduit, the through wires hole is located oil filler pipe's outside oil filler pipe's top is equipped with the oil inlet be equipped with a plurality of oil outlet on the oil filler pipe of baffle top be equipped with the buckle closure between oil inlet and the oil outlet be equipped with the exhaust hole on the buckle closure be equipped with liquid level switch on the baffle, liquid level switch's floater is located the baffle below, signal line on the liquid level switch is located the conduit, the terminal of signal line is worn out from the through wires hole.
Further improvement: the exhaust hole is arranged on the side wall of the buckle cover in a strip shape.
Further improvement: considering the condition that the oil filling ports of different oil immersed transformers are different in height, threads are arranged on the outer wall of the oil filling pipe between the oil inlet and the oil outlet, and the buckling cover is connected with the oil filling pipe in a threaded manner, so that the distance between the buckling cover and the oil outlet can be adjusted, and the oil filling requirements of the oil filling ports with different heights are met.
Further improvement: the height of the exhaust hole is larger than that of the oil filling port on the oil immersed transformer, so that the exhaust effect of the oil immersed transformer body in the vacuumizing process is improved.
The utility model has the advantages that: firstly, because the liquid level switch is arranged in the oil filling pipe, when the oil filling pipe is filled, the oil filling pipe is only required to be inserted into the oil filling opening of the oil immersed transformer, the operation is simple and convenient, then the buckle cover arranged on the oil filling pipe can play a good limiting role on the oil filling pipe, the depth of the oil filling pipe inserted into the oil filling opening is controlled, and meanwhile, the gas in the oil immersed transformer can be smoothly extracted through the vent hole arranged on the buckle cover, so that the oil filling gun designed by the utility model perfectly solves the problem of difficult operation when the oil filling is carried out on the oil immersed transformer in the vacuum environment in the prior art.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a schematic structural view of the buckle cover and the oil filler on the oil-immersed transformer.
In the figure: the oil filling pipe 1, the oil circuit cavity 11, the liquid level switch cavity 12, the conduit 2, the threading hole 21, the partition plate 3, the oil outlet 4, the oil inlet 5, the buckle closure 6, the exhaust hole 61, the liquid level switch 7, the floating ball 71, the signal wire 72, the sliding rod 73 and the oil filling port 8.
Detailed Description
The present utility model will be described in detail below with reference to the drawings attached to the specification.
As shown in the figure, the oil gun for the oil immersed transformer under the vacuum state comprises an oil filling pipe 1 and a conduit 2, wherein the top of the oil filling pipe 1 is of a sealing structure, the bottom of the oil filling pipe 1 is open, a baffle 3 is arranged in the oil filling pipe 1, the conduit 2 penetrates through the top of the oil filling pipe 1 and then is connected with the baffle 3, a threading hole 21 is formed in the conduit 2, the threading hole 21 is positioned outside the oil filling pipe 1, an oil inlet 5 is formed in the top of the oil filling pipe 1 above the baffle 3, a plurality of oil outlets 4 are formed in the oil filling pipe 1 above the baffle 3, a buckle cover 6 is arranged between the oil inlet 5 and the oil outlets 4, an exhaust hole 61 is formed in the buckle cover 6, a liquid level switch 7 is arranged on the baffle 3, a floating ball 71 of the liquid level switch 7 is positioned below the baffle 3, a signal wire 72 on the liquid level switch 7 is positioned in the conduit 2, and the tail end of the signal wire 72 penetrates out from the threading hole 21.
The exhaust hole 61 is arranged on the side wall of the buckle cover 6 in a strip shape; considering the condition that the oil filling ports 8 of different oil immersed transformers are different in height, threads are arranged on the outer wall of the oil filling pipe 1 between the oil inlet 5 and the oil outlet 4, and the buckling cover 6 is in threaded connection with the oil filling pipe 1, so that the distance between the buckling cover 6 and the oil outlet 4 can be adjusted, and the oil filling requirements of the oil filling ports 8 with different heights can be met; the height of the exhaust hole 61 is larger than that of the oil filling port 8 on the oil immersed transformer, so that the exhaust effect of the oil immersed transformer is improved.
The working principle is as follows: firstly, the inner diameter of a fuel filler hole 8 on an oil immersed transformer is larger than the outer diameter of a fuel filler pipe 1, the inner diameter of a buckle cover 6 is larger than the outer diameter of the fuel filler hole 8, an oil inlet 5 is connected with an oil tank through an oil pipe, an electromagnetic valve is arranged between the oil tank and the oil pipe and connected with a signal wire 72 on a liquid level switch 7, a partition plate 3 divides the fuel filler pipe 1 into two parts, a cavity above the partition plate 3 is an oil circuit cavity 11, a cavity below the partition plate 3 is a liquid level switch cavity 12, the liquid level switch 7 consists of a floating ball 71, a signal wire 72 and a sliding rod 73, the floating ball 71 is positioned in the liquid level switch cavity 12, a threaded hole is formed in the middle of the partition plate 3 and is in threaded connection with the sliding rod 73, so that the whole liquid level switch 7 can be fixed, the signal wire 72 is positioned in a conduit 2, and the tail end of the signal wire 72 penetrates out from a threading hole 21.
Before oiling, the oiling pipe 1 is inserted into the oiling port 8, the buckle cover 6 is covered on the oiling port 8, when vacuumizing, gas in the oil immersed transformer enters into the buckle cover 6 through the oiling port 8 and is discharged through the exhaust hole 61 on the buckle cover 6, during oiling, oil enters into the oiling pipe 1 through the oil inlet 5 and is filled into the oil immersed transformer through the oil outlet 4, the oil is sucked into the oil tank of the oil immersed transformer by negative pressure, after the oil in the oil immersed transformer tank is filled, the floating ball 71 moves upwards along the sliding rod 73, when the floating ball 71 floats, the liquid level switch 7 is closed, the signal of the floating ball switch is transmitted to the electromagnetic valve through the signal wire 72, so that the electromagnetic valve is controlled to be closed to stop oiling, the whole process is simple and convenient to operate, and the problem that no oiling gun exists in a vacuum environment is solved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (4)
1. The utility model provides an oil gun for oil-immersed transformer under vacuum state which characterized in that: including oil filler pipe and conduit, the top of oil filler pipe is seal structure, and the bottom of oil filler pipe is uncovered be equipped with the baffle in the oil filler pipe, the conduit passes behind the top of oil filler pipe and is connected with the baffle be equipped with the through wires hole on the conduit, the through wires hole is located the outside of oil filler pipe the top of oil filler pipe is equipped with the oil inlet be equipped with a plurality of oil outlet on the oil filler pipe of baffle top be equipped with the buckle closure between oil inlet and the oil outlet be equipped with the exhaust hole on the buckle closure be equipped with liquid level switch on the baffle, liquid level switch's floater is located the baffle below, signal line on the liquid level switch is located the conduit, the terminal of signal line is worn out from the through wires hole.
2. The oil gun for an oil-immersed transformer in a vacuum state according to claim 1, wherein: the exhaust hole is arranged on the side wall of the buckle cover in a strip shape.
3. The oil gun for an oil-immersed transformer in a vacuum state according to claim 2, wherein: the outer wall of the oil filling pipe between the oil inlet and the oil outlet is provided with threads, and the buckle cover is in threaded connection with the oil filling pipe.
4. The oil gun for an oil-immersed transformer in a vacuum state according to claim 2, wherein: the height of the exhaust hole is larger than the height of the oil filling port on the oil immersed transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321965900.0U CN220252994U (en) | 2023-07-25 | 2023-07-25 | Oil gun for oil immersed transformer under vacuum state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321965900.0U CN220252994U (en) | 2023-07-25 | 2023-07-25 | Oil gun for oil immersed transformer under vacuum state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220252994U true CN220252994U (en) | 2023-12-26 |
Family
ID=89269043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321965900.0U Active CN220252994U (en) | 2023-07-25 | 2023-07-25 | Oil gun for oil immersed transformer under vacuum state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220252994U (en) |
-
2023
- 2023-07-25 CN CN202321965900.0U patent/CN220252994U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |