CN219696211U - Oiling device for oil immersed transformer - Google Patents
Oiling device for oil immersed transformer Download PDFInfo
- Publication number
- CN219696211U CN219696211U CN202321096777.3U CN202321096777U CN219696211U CN 219696211 U CN219696211 U CN 219696211U CN 202321096777 U CN202321096777 U CN 202321096777U CN 219696211 U CN219696211 U CN 219696211U
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- Prior art keywords
- oil
- tank
- vacuum
- oiling
- pipe
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- 238000007789 sealing Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 208000002925 dental caries Diseases 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 42
- 239000007924 injection Substances 0.000 abstract description 42
- 238000001914 filtration Methods 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides an oil filling device of an oil immersed transformer, which comprises an oil filling tank, a vacuum tank and a vacuum pump, wherein the top of the oil filling tank is provided with an oil filling port, a filter plate for dividing the oil filling tank into an upper cavity and a lower cavity is arranged in the oil filling tank, the oil filling tank is filled with oil through an oil pump, the upper end of the side wall of the vacuum tank is provided with a negative pressure pipe, the lower end of the side wall of the vacuum tank is provided with an oil discharging pipe, a vacuum pipe on the vacuum pump is a three-way pipe, the vacuum pipe is respectively communicated with the oil filling tank and the vacuum tank, the vacuum pipe communicated with the oil filling tank is inserted into the cavity below the vacuum pipe, and valves are respectively arranged on branch pipes connected with the oil filling tank and the vacuum tank. According to the oil injection device for the oil immersed transformer, the vacuum pipe is communicated with the oil injection tank, the vacuum pipe communicated with the oil injection tank is inserted into the cavity below the oil injection tank separated by the filter plate, and when transformer oil is injected into the oil injection tank, the vacuum pump enables the cavity below the oil injection tank to generate negative pressure through the vacuum pipe, so that the transformer oil can pass through the filter plate in an accelerating manner, and the filtration and injection efficiency of the transformer oil is effectively improved.
Description
Technical Field
The utility model relates to an oiling technology of an oil immersed transformer, in particular to an oiling device of the oil immersed transformer.
Background
The oil-immersed transformer is filled with oil from the oil level gauge through the transformer oil filling device, and because air exists in the transformer box body, resistance and pressure can be generated during oil filling, the oil is filled through the transformer oil filling device by adopting a vacuum oil filling method at the present stage.
The existing transformer oiling device comprises an oiling tank and a vacuum tank, and transformer oil is firstly poured and stored in the oiling tank before oiling. When in oiling, the vacuum pump pumps air to the transformer tank body through the vacuum tank to enable the inside of the transformer tank body to generate vacuum, and meanwhile, transformer oil in the oil injection tank is injected into the transformer tank body through the oil pump.
When the existing transformer oiling device is used for pouring transformer oil into an oiling tank, the transformer oil needs to pass through a filter plate, and the filtering speed of the transformer oil poured into the oiling tank is low and the efficiency is low due to the resistance generated when the filter plate filters, so that the use of the transformer oiling device is affected.
Disclosure of Invention
The utility model provides an oiling device for an oil immersed transformer, which is used for solving the problems of low speed and low efficiency when transformer oil is poured into an oiling tank.
The utility model provides an oil injection device of an oil immersed transformer, which comprises an oil injection tank, a vacuum tank and a vacuum pump, wherein the top of the oil injection tank is provided with an oil injection port, a filter plate for dividing the oil injection tank into an upper cavity and a lower cavity is arranged in the oil injection tank, the oil injection tank is injected with oil through an oil pump, the upper end of the side wall of the vacuum tank is provided with a negative pressure pipe, the lower end of the side wall of the vacuum tank is provided with an oil exhaust pipe, a vacuum pipe on the vacuum pump is a three-way pipe, the vacuum pipe is respectively communicated with the oil injection tank and the vacuum tank, the vacuum pipe communicated with the oil injection tank is inserted into the cavity below the vacuum pipe, and a valve is respectively arranged on a branch pipe connected with the oil injection tank and the vacuum tank.
Optionally, the top of oiling case is equipped with the lid of detachable connection, the oiling mouth is established on the lid, the filter can be dismantled with annotating the oil tank and be connected.
Optionally, the edge of filter is rather than fixed connection's fixed frame, the inner wall annular of annotating the oil tank is fixed with the supporting part that is used for the joint fixed frame, the filter passes through fixed frame and supporting part and annotates the oil tank and dismantle and be connected.
Optionally, the filter plate is provided in a pleated shape for increasing the filter area.
Optionally, a liquid level pipe and a pressure gauge which are communicated with the inside are installed on the oil filling tank.
Optionally, a guide cover for shielding the pipe orifice of the vacuum pipe is fixed in the oil filling tank.
Optionally, the oiling on the oil pump is with pipe and oil level gauge sealing intercommunication, the negative pressure pipe passes through pipeline and oil drain port sealing intercommunication.
Compared with the prior art, the oil injection device for the oil immersed transformer has the beneficial effects that:
the vacuum tube on the vacuum pump is communicated with the oil injection tank, the vacuum tube communicated with the oil injection tank is inserted into the cavity below the oil injection tank separated by the filter plate, and when transformer oil is poured into the oil injection tank, the vacuum pump enables the cavity below the inside of the oil injection tank to generate negative pressure through the vacuum tube, so that the transformer oil can pass through the filter plate in an accelerating manner, and the filtration and pouring efficiency of the transformer oil are effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an oiling device for an oil immersed transformer according to an embodiment of the present utility model;
fig. 2 is a top view of fig. 1 of an oiling device for an oil-immersed transformer according to an embodiment of the present utility model;
fig. 3 is a cross-sectional view of fig. 1 of an oiling device for an oil-immersed transformer according to an embodiment of the present utility model;
fig. 4 is a top view of a filter plate of an oiling device of an oil immersed transformer according to an embodiment of the utility model;
fig. 5 is a schematic structural diagram of an oil-immersed transformer according to an embodiment of the present utility model.
Reference numerals illustrate:
an oil filling tank 1; a vacuum tank 2; a filter plate 3; a fixed frame 4; a support 5; a cover 6; an oil filling port 7; a vacuum pump 8; a vacuum tube 9; a valve 10; a pod 11; an oil pump 12; a negative pressure pipe 13; an oil drain pipe 14; a liquid level pipe 15; a pressure gauge 16; a transformer body 17; an oil level gauge 18; and an oil drain 19.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are also within the scope of the utility model.
As shown in fig. 1 to 5, an embodiment of the present utility model provides an oil filling device for an oil immersed transformer, which includes an oil filling tank 1, a vacuum tank 2 and a vacuum pump 8, wherein an oil filling port 7 for filling oil into the oil filling tank 1 is arranged at the top of the oil filling tank 1. The oil injection tank 1 is internally provided with a filter plate 3 which divides the oil injection tank 1 into an upper cavity and a lower cavity, and the filter plate 3 is used for filtering transformer oil injected into the oil injection tank 1. The oil inlet of the oil pump 12 is communicated with the oil injection tank 1, the oil outlet is communicated with an oil level gauge 18 on the transformer body 17 through an oil injection pipe, and the oil injection tank 1 injects oil into the transformer body 17 through the oil pump 12. The upper end of the side wall of the vacuum tank 2 is provided with a negative pressure pipe 13, the negative pressure pipe 13 is communicated with an oil drain port 19 on the transformer body 17 through a pipeline, the lower end of the negative pressure pipe is provided with an oil drain pipe 14, and the oil drain pipe 14 is provided with a drain valve. The vacuum pipe 9 on the vacuum pump 8 is a three-way pipe, the vacuum pipe 9 is respectively communicated with the oiling box 1 and the vacuum tank 2, the vacuum pipe 9 communicated with the oiling box 1 is inserted into a cavity below the oiling box 1 separated by the filter plate 3, the vacuum pipe 9 communicated with the vacuum tank 2 is inserted into the top wall of the vacuum pipe 9, and the branch pipes connected with the oiling box 1 and the vacuum tank 2 are respectively provided with a valve 10.
When the oiling box 1 is filled, a cover body on the oiling port 7 is opened, a valve 10 communicated with the oiling box 1 is opened, then the vacuum pump 8 is started, and the valve 10 communicated with the vacuum tank 2 is in a closed state. The cavity below the oil injection tank 1 is subjected to negative pressure through the vacuum pump 8, transformer oil is injected into the oil injection tank 1, the speed of filtering the transformer oil through the filter plate 3 is improved, and the transformer oil filtered through the filter plate 3 flows into the bottom of the oil injection tank 1. After the transformer oil in the oil filling tank 1 is filled, the oil can be filled into the transformer body 17 through the oil filling device.
When the oil is injected into the transformer body 17, the oil injection pipe of the oil pump 12 is communicated with the oil level gauge 18 of the transformer body 17, and the negative pressure pipe 13 is communicated with the oil discharge port 19 of the transformer body 17. The valve 10 communicated with the vacuum tank 2 is opened, the valve 10 communicated with the oiling box 1 is closed, then the vacuum pump 8 is started, and the vacuum pump 8 generates negative pressure in the transformer body 17 through the vacuum tank 2. The transformer oil in the oil filling tank 1 is filled into the transformer body 17 from the oil level gauge 18 by the oil pump 12, and the negative pressure in the transformer body 17 can increase the oil filling speed.
In this embodiment, the vacuum tube 9 on the vacuum pump 8 is communicated with the oil injection tank 1, the vacuum tube 9 communicated with the oil injection tank 1 is inserted into the cavity below the oil injection tank 1 separated by the filter plate 3, and when the transformer oil is injected into the oil injection tank 1, the vacuum pump 8 makes the cavity below the oil injection tank 1 generate negative pressure through the vacuum tube 9, so that the transformer oil can accelerate to pass through the filter plate 3, and the filtration and injection efficiency of the transformer oil are effectively improved.
In one possible implementation manner, the top of the oil filling tank 1 is provided with a cover 6 which is detachably connected, the oil filling port 7 is arranged on the cover 6, and the filter plate 3 is detachably connected with the oil filling tank 1.
After the cover body 6 is detached from the oiling box 1, the filter plate 3 can be taken out, and the filter plate 3 is convenient to clean and replace.
In one possible implementation manner, the edge of the filter plate 3 is a fixed frame 4 fixedly connected with the filter plate, a supporting portion 5 for clamping the fixed frame 4 is annularly fixed on the inner wall of the oiling box 1, and the filter plate 3 is detachably connected with the oiling box 1 through the fixed frame 4 and the supporting portion 5.
The specific filter 3 is fixed on the supporting part 5 through the fixed frame 4, and the fixed frame 4 is directly separated from the supporting part 5 when the filter is disassembled, so that the filter is simple in structure, convenient to disassemble and assemble and difficult to break down.
In one possible embodiment, the filter plate 3 is provided in the form of a pleat for increasing the filter area.
The filter plate 3 of fold form can effectively increase the filtration area of transformer oil, makes the transformer oil flow into the bottom of annotating oil tank 1 after can faster filtration, improves filtration efficiency.
In one possible implementation, the filling tank 1 is provided with a level pipe 15 and a pressure gauge 16 communicating with the interior.
The oil level of the transformer in the oil filling tank 1 is conveniently checked through the liquid level pipe 15; when the transformer oil is poured into the oil filling tank 1, the pressure in the oil filling tank 1 can be checked through the pressure gauge 16, so that the vacuum pump 8 can be conveniently adjusted to control the vacuum degree in the oil filling tank 1.
In one possible implementation manner, a flow guide cover 11 for shielding the pipe orifice of the vacuum pipe 9 is fixed in the oiling box 1.
The guide cover 11 plays a role in shielding the transformer oil flowing down during filtration, and prevents a large amount of transformer oil from entering the vacuum tube 9.
In one possible implementation, the oil filling pipe on the oil pump 12 can be in sealed communication with the oil level gauge 18, and the negative pressure pipe 13 is in sealed communication with the oil drain port 19 through a pipe.
The oil injection pipe on the oil pump 12 can be sleeved on the oil level gauge 18 by using rubber materials and is in sealing connection with the oil level gauge, and the leakage of transformer oil can be effectively avoided during oil injection. The negative pressure pipe 13 is communicated with the oil drain port 19 in a sealing way through a pipeline, and air leakage is avoided when the transformer body 17 is vacuumized.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will appreciate that; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The utility model provides an oil-immersed transformer oiling device, includes oiling tank (1), vacuum tank (2) and vacuum pump (8), the top of oiling tank (1) is equipped with oiling mouth (7), be equipped with in oiling tank (1) with its filter (3) of separating into two upper and lower cavitys, oiling tank (1) is through oil pump (12) oiling, the upper end of vacuum tank (2) lateral wall is equipped with negative pressure pipe (13), and the lower extreme is equipped with oil drain pipe (14), its characterized in that: the vacuum pump is characterized in that a vacuum tube (9) on the vacuum pump (8) is a three-way tube, the vacuum tube (9) is respectively communicated with the oiling box (1) and the vacuum tank (2), the vacuum tube (9) communicated with the oiling box (1) is inserted into a cavity below the oiling box, and valves (10) are respectively arranged on branch tubes connected with the oiling box (1) and the vacuum tank (2) through the vacuum tube (9).
2. The oil filling device of an oil immersed transformer according to claim 1, wherein: the top of oiling case (1) is equipped with lid (6) of detachable connection, oiling mouth (7) are established on lid (6), filter (3) can be dismantled with oiling case (1) and be connected.
3. The oil filling device of an oil immersed transformer according to claim 2, wherein: the edge of filter (3) is rather than fixed connection's fixed frame (4), the inner wall annular of oiling case (1) is fixed with supporting part (5) that are used for joint fixed frame (4), filter (3) can dismantle with oiling case (1) through fixed frame (4) and supporting part (5).
4. The oil filling device of an oil immersed transformer according to claim 1, wherein: the filter plate (3) is provided in a pleated shape for increasing the filter area.
5. The oil filling device of an oil immersed transformer according to claim 1, wherein: the oiling box (1) is provided with a liquid level pipe (15) and a pressure gauge (16) which are communicated with the inside.
6. The oil filling device of an oil immersed transformer according to claim 1, wherein: a guide cover (11) for shielding the pipe orifice of the vacuum pipe (9) is fixed in the oiling box (1).
7. The oil filling device for an oil immersed transformer according to any one of claims 1 to 6, wherein: the oil filling pipe on the oil pump (12) can be communicated with the oil level gauge (18) in a sealing way, and the negative pressure pipe (13) is communicated with the oil discharge port (19) in a sealing way through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096777.3U CN219696211U (en) | 2023-05-09 | 2023-05-09 | Oiling device for oil immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096777.3U CN219696211U (en) | 2023-05-09 | 2023-05-09 | Oiling device for oil immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219696211U true CN219696211U (en) | 2023-09-15 |
Family
ID=87937694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321096777.3U Active CN219696211U (en) | 2023-05-09 | 2023-05-09 | Oiling device for oil immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219696211U (en) |
-
2023
- 2023-05-09 CN CN202321096777.3U patent/CN219696211U/en active Active
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