CN219759338U - Novel oil immersed transformer - Google Patents
Novel oil immersed transformer Download PDFInfo
- Publication number
- CN219759338U CN219759338U CN202320319994.8U CN202320319994U CN219759338U CN 219759338 U CN219759338 U CN 219759338U CN 202320319994 U CN202320319994 U CN 202320319994U CN 219759338 U CN219759338 U CN 219759338U
- Authority
- CN
- China
- Prior art keywords
- oil
- transformer
- voltage winding
- immersed transformer
- storage tank
- 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.)
- Active
Links
- 238000004804 winding Methods 0.000 claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 description 7
- 230000005856 abnormality Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model aims to provide a novel oil immersed transformer, which belongs to the technical field of transformers and comprises the following components: the device comprises an oil storage tank, a transformer arranged in the oil storage tank and a detection device arranged at the top end of the oil storage tank; the oil storage tank comprises a tank body, an oil inlet and an oil outlet; the transformer comprises a high-voltage winding, a low-voltage winding, a plurality of iron core columns and insulating gummed paper; the detection device comprises a pressure relief valve, a thermometer and an oil level gauge, wherein the pressure relief valve is arranged at the upper end of the oil level gauge, and the thermometer is arranged at the upper end of the pressure valve. By arranging the insulating gummed paper, the utility model realizes the technical effects of improving the mechanical strength and the short circuit resistance of the oil-immersed transformer and reducing the additional loss of the oil-immersed transformer; by means of the detection device, the problem that the oil tank sealing effect is poor and the oil leakage of the transformer is caused by the part assembly mode of the traditional oil immersed transformer is solved.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a novel oil immersed transformer.
Background
The transformer is used as one of main power transmission and transformation equipment in the transformer substation, has a core position in the transformer substation, can also be said to be the heart of the transformer substation, and the running state of the transformer directly affects the whole transformer substation; the transformer is a device for changing AC voltage by utilizing the principle of electromagnetic induction, and comprises a common iron core and a plurality of windings which are crosslinked with the common iron core, wherein the space positions between the common iron core and the windings are unchanged; the transformers can be divided into dry transformers and oil-immersed transformers according to a cooling mode, wherein most of large power transformers are oil-immersed transformers, and the oil-immersed transformers are mainly cooled by means of insulating oil, and simply said oil-immersed transformers refer to transformers in which iron cores and windings are immersed in the insulating oil.
The existing oil immersed transformer in the market is mainly formed by winding a plurality of copper wires in parallel, and the winding with the structure has the defects of weak mechanical strength, poor short circuit resistance, large additional loss of the transformer and the like, so that the operation cost of the transformer is high, and the service life of the transformer is short; and most oil immersed transformers are easy to generate oil leakage due to the sealing problem of the oil storage tank caused by parts, and the normal operation of the transformers is seriously influenced.
Therefore, the existing oil immersed transformer cannot effectively solve the problems of weak mechanical strength, poor short circuit resistance and large additional loss of the transformer caused by a winding structure, the running cost of the transformer is high, the service life is short, and the problem of poor sealing effect of an oil storage tank is generated due to the part assembly mode of the oil immersed transformer, so that the oil leakage phenomenon is generated in the transformer, the transformer cannot normally run, and the industry requirement cannot be met.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide a novel oil-immersed transformer which can effectively overcome the defects of weak mechanical strength, poor short circuit resistance, high additional loss of the transformer, high operation cost and short service life of the oil-immersed transformer caused by a winding structure; the problem of traditional oil-immersed transformer because the part equipment mode produces the sealed effect of oil storage tank not good, the transformer oil leak is solved, the work requirement that the transformer can normal operating is satisfied.
In order to achieve the above object, the present utility model provides a novel oil-immersed transformer, comprising: the device comprises an oil storage tank, a transformer arranged in the oil storage tank and a detection device arranged at the top end of the oil storage tank; the oil storage tank comprises a tank body, an oil inlet and an oil outlet, the oil inlet is arranged at the top end of the tank body, and the oil outlet is arranged at the lower end of the right side of the tank body; the transformer comprises a high-voltage winding, a low-voltage winding, a plurality of iron core columns and insulating gummed paper, wherein the high-voltage winding is wound on the outer side of each iron core column, and the low-voltage winding is wound on the outer side of the high-voltage winding; the insulating gummed paper is arranged between the high-voltage winding and the low-voltage winding; the detection device comprises a pressure relief valve, a thermometer and an oil level gauge, wherein the pressure relief valve is arranged at the upper end of the oil level gauge, and the thermometer is arranged at the upper end of the pressure valve.
According to the novel oil immersed transformer disclosed by the utility model, the radiating fins are further arranged on two sides of the box body.
According to the novel oil immersed transformer disclosed by the utility model, the inside of the box body is also provided with the fixing frame.
According to the novel oil immersed transformer disclosed by the utility model, the transformer is further provided with a cooling oil duct.
According to the novel oil immersed transformer disclosed by the utility model, the transformer is further provided with the conducting bars.
According to the novel oil immersed transformer disclosed by the utility model, 2-4 iron core columns are arranged.
The utility model aims to provide a novel oil-immersed transformer, which has the technical effects of improving the mechanical strength and the short circuit resistance of the oil-immersed transformer and reducing the additional loss of the oil-immersed transformer by arranging insulating gummed paper; by means of the detection device, the problem that the oil tank sealing effect is poor and the oil leakage of the transformer is caused by the part assembly mode of the traditional oil immersed transformer is solved. The beneficial effects of the utility model are as follows: the detection device can monitor the pressure and temperature change in the monitoring box body in real time, and observe the content of oil in the box body through an observation window arranged on the surface of the pipe body, if an abnormality or oil leakage phenomenon occurs, the detection device can discover and process in time, so that the industrial requirements are met; the defects that the traditional oil immersed transformer is weak in mechanical strength, poor in short circuit resistance, high in additional loss of the transformer, high in running cost and short in service life due to the fact that the traditional oil immersed transformer is in a winding structure are overcome.
Drawings
Fig. 1 is a schematic structural diagram of an oil-immersed transformer of the present utility model;
fig. 2 is a schematic diagram of a transformer structure of the oil immersed transformer of the present utility model;
fig. 3 is an enlarged partial schematic view of a transformer of the oil-immersed transformer of the present utility model.
In the figure: 11-a box body; 12-cooling fins; 13-a fixing frame; 16-oil inlet; 17-an oil outlet; 21-high voltage winding; 22-low voltage winding; 23-iron core columns; 231-iron core; 232-upper yoke; 233-lower yoke; 24-insulating gummed paper; 26-cooling oil ducts; 28-conducting bars; 31-a pressure relief valve; 311-pressure relief port; 312-a pressure sensor; 32-thermometer; 321-a temperature sensor; 33-an oil level gauge; 331-a tube body; 332-buoy; 333-viewing window.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1, 2 and 3, the present utility model provides a novel oil immersed transformer, comprising: the device comprises an oil storage tank, a transformer and a detection device.
The oil storage tank comprises a tank body 11, an oil outlet 17, a plurality of oil inlets 16, a transformer and a detection device, wherein 2-4 oil inlets 16 are arranged; the oil inlet 16 is arranged at the top end of the box body 11, and the oil outlet 17 is arranged at the lower end of the right side of the box body; the transformer sets up inside the batch oil tank, and detection device sets up in batch oil tank top left side.
The transformer comprises a high-voltage winding 21, a low-voltage winding 22, a plurality of iron core columns 23 and insulating adhesive paper 24, wherein 2-4 iron core columns 23 are arranged, each iron core column 23 comprises an iron core 231, an upper yoke 232 and a lower yoke 233, the high-voltage winding 21 is wound on the outer side of each iron core column 23, and the low-voltage winding 22 is wound on the outer side of the high-voltage winding 21; an insulating adhesive paper 24 is provided between the high voltage winding 21 and the low voltage winding 22.
The detection device comprises a pressure release valve 31, a thermometer 32 and an oil level gauge 33, wherein the oil level gauge 33 comprises a pipe body 331, a buoy 332 arranged inside the pipe body 331 and an observation window 333 arranged on the surface of the pipe body 331; the pressure relief valve 31 is arranged at the upper end of the oil level gauge 33, the pressure relief valve 31 comprises a pressure relief opening 311 and a pressure sensor 312, the pressure relief opening 311 is arranged on the surface of the pressure relief valve 31, and the pressure sensor 312 is arranged in the box 11 and is electrically connected with the pressure relief valve 31; the thermometer 32 is arranged at the upper end of the pressure valve 31, the thermometer 32 comprises a temperature sensor 321, and the temperature sensor 321 is arranged in the box 11 and is electrically connected with the thermometer 32; the pressure in the tank 11 can be monitored in real time through the signal transmitted by the pressure sensor 312 through the pressure relief valve 31, and if the pressure in the tank 11 is too high, the pressure is released through the pressure relief opening 311 by the pressure relief valve 31, so that the pressure in the tank 11 is always in a stable state; the oil level gauge 33 can observe the oil content in the tank 11 through an observation window 333 arranged on the surface of the pipe body 331, and can find out in time if oil leakage occurs; the thermometer 32 can monitor the temperature in the box 11 in real time through the signal transmitted by the temperature sensor 321, so as to prevent the abnormality of the transformer caused by the overhigh temperature in the box 11.
The working process of the utility model is as follows: oil is input into the box 11 from the oil inlet 16, when the oil in the box 11 is fully filled through the observation window 333 on the oil level gauge 33, the transmission is stopped, the oil inlet 16 is closed, the external power supply voltage is input into the low-voltage winding 22 of the transformer, the power frequency high voltage is obtained by the high-voltage winding 21 at the moment according to the electromagnetic induction principle, and the direct current high voltage is obtained after the power frequency high voltage is rectified and filtered.
The low-voltage winding 22 adopts a small-size copper foil and is wound on the outer side of the high-voltage winding 21, the integral resistance of the coil can be reduced by utilizing the parallel resistance principle, a full-gummed paper insulation structure is adopted between the high-voltage winding 21 and the low-voltage winding 22, after the insulation gummed paper 24 is heated and solidified, the high-voltage winding 21 and the low-voltage winding 22 are made into an integral coil structure, the consumption of an iron core 231 can be reduced, and meanwhile, the problems of poor short circuit resistance and high additional loss of the transformer caused by the discharge phenomenon between the high-voltage winding 21 and the low-voltage winding 22 are effectively avoided; the detection device can monitor the pressure and temperature change in the monitoring box 11 in real time, and observe the oil content in the box 11 through the observation window 333 arranged on the surface of the pipe 331, so that if abnormality or oil leakage occurs, the oil can be found and processed in time.
Therefore, the oil immersed transformer disclosed by the utility model can overcome the defects of weak mechanical strength, poor short circuit resistance, high additional loss of the transformer, high operation cost and short service life of the oil immersed transformer caused by a winding structure; the problem of traditional oil-immersed transformer because the part equipment mode produces the sealed effect of oil storage tank not good, the transformer oil leak is solved, the work requirement that the transformer can normal operating is satisfied.
According to the utility model, the radiating fins 12 are arranged on two sides of the box 11, so that the radiating effect of the transformer can be improved.
The inside of the box 11 is also provided with a fixing frame 13, and the fixing frame 13 is used for fixing the transformer body inside the box 11.
The transformer is also provided with the cooling oil duct 26, so that the cooling effect of the transformer is enhanced, the damage of the insulating adhesive paper 24 due to the fact that the temperature of the high-voltage winding 21 and the low-voltage winding 22 of the transformer exceeds the tolerance temperature of the insulating adhesive paper 24 is reduced, the normal operation of the transformer is ensured, and the service life of the transformer is prolonged.
The transformer is also provided with the conductive bars 28, and the conductive bars 28 are fixedly connected with the copper foil of the low-voltage winding 22, so that the low-voltage winding 22 has good conductivity.
In summary, the utility model realizes the technical effects of improving the mechanical strength and the short circuit resistance of the oil-immersed transformer and reducing the additional loss of the oil-immersed transformer by arranging the insulating gummed paper; by means of the detection device, the problem that the oil tank sealing effect is poor and the oil leakage of the transformer is caused by the part assembly mode of the traditional oil immersed transformer is solved. The beneficial effects of the utility model are as follows: the detection device can monitor the pressure and temperature change in the monitoring box body in real time, and observe the content of oil in the box body through an observation window arranged on the surface of the pipe body, if an abnormality or oil leakage phenomenon occurs, the detection device can discover and process in time, so that the industrial requirements are met; the defects that the traditional oil immersed transformer is weak in mechanical strength, poor in short circuit resistance, high in additional loss of the transformer, high in running cost and short in service life due to the fact that the traditional oil immersed transformer is in a winding structure are overcome.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. The utility model provides a novel oil-immersed transformer which characterized in that includes: the device comprises an oil storage tank, a transformer arranged in the oil storage tank and a detection device arranged at the top end of the oil storage tank;
the oil storage tank comprises a tank body, an oil inlet and an oil outlet, the oil inlet is arranged at the top end of the tank body, and the oil outlet is arranged at the lower end of the right side of the tank body;
the transformer comprises a high-voltage winding, a low-voltage winding, a plurality of iron core columns and insulating gummed paper, wherein the high-voltage winding is wound on the outer side of each iron core column, and the low-voltage winding is wound on the outer side of the high-voltage winding; the insulating gummed paper is arranged between the high-voltage winding and the low-voltage winding;
the detection device comprises a pressure relief valve, a thermometer and an oil level gauge, wherein the pressure relief valve is arranged at the upper end of the oil level gauge, and the thermometer is arranged at the upper end of the pressure valve.
2. The novel oil immersed transformer of claim 1, wherein cooling fins are further arranged on two sides of the box body.
3. The novel oil immersed transformer according to claim 1, wherein a fixing frame is further arranged inside the box body.
4. The novel oil immersed transformer according to claim 1, wherein the transformer is further provided with a cooling oil passage.
5. The novel oil immersed transformer of claim 1, wherein the transformer is further provided with a conductive bar.
6. The novel oil immersed transformer of claim 1, wherein 2-4 core legs are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320319994.8U CN219759338U (en) | 2023-02-27 | 2023-02-27 | Novel oil immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320319994.8U CN219759338U (en) | 2023-02-27 | 2023-02-27 | Novel oil immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219759338U true CN219759338U (en) | 2023-09-26 |
Family
ID=88077011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320319994.8U Active CN219759338U (en) | 2023-02-27 | 2023-02-27 | Novel oil immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219759338U (en) |
-
2023
- 2023-02-27 CN CN202320319994.8U patent/CN219759338U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103390485A (en) | Liquid nitrogen strong cooling transformer and refrigerating method thereof | |
| CN202840973U (en) | 110KV energy-saving environment-friendly oil immersed integral high-power rectifying device cooled without water | |
| CN105788833A (en) | Novel impedance-variable energy-saving transformer | |
| CN219759338U (en) | Novel oil immersed transformer | |
| CN201340781Y (en) | Improved water-cooled transformer | |
| CN104157434A (en) | 220 kV gas insulation transformer | |
| CN102592785B (en) | On line cooling device for high voltage parallel compensation reactor windings | |
| CN203799788U (en) | Dry-type transformer | |
| CN206363859U (en) | One kind exempts from shell high frequency transformer | |
| CN205487641U (en) | Dry -type transformer | |
| CN201681694U (en) | Reactor heat sink | |
| CN105513751A (en) | Dry type transformer | |
| CN204360870U (en) | A kind of Novel reactor | |
| CN209232549U (en) | A kind of liquid-cooling type high-frequency switch power transformer | |
| CN206489953U (en) | A kind of dry-type transformer | |
| CN206991879U (en) | Intelligent Full-enclosed oil-immersed transformer | |
| CN205984583U (en) | High -power transformer | |
| CN205992465U (en) | A kind of energy saving and environment friendly dry-type power transformer | |
| CN216902475U (en) | High-power energy-saving transformer for heat treatment equipment | |
| CN205211558U (en) | 12 pulse wave for intermediate frequency furnace liquid soak formula transformer | |
| CN209216713U (en) | A kind of high overload amorphous alloy iron core distribution transformer | |
| CN111261382B (en) | Cooling system and power transformer | |
| CN220456206U (en) | Radiating device of oil-immersed distribution transformer | |
| CN204390852U (en) | 35KV full-sealed transformer | |
| CN212084809U (en) | Cooling structure of dry-type transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |