CN213752277U - Oil-immersed power transformer - Google Patents
Oil-immersed power transformer Download PDFInfo
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- CN213752277U CN213752277U CN202023235342.1U CN202023235342U CN213752277U CN 213752277 U CN213752277 U CN 213752277U CN 202023235342 U CN202023235342 U CN 202023235342U CN 213752277 U CN213752277 U CN 213752277U
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Abstract
The utility model discloses an oil-immersed power transformer belongs to power transformer equipment technical field, including the power transformer main part, the welding of power transformer main part left side wall bottom has the bracket, bracket top surface mounting has the protecting box, power transformer main part left side wall bottom is inlayed and is connected with out oil pipe, filtering mechanism is installed to protecting box inner chamber bottom surface one side, filtering mechanism includes filter cartridge, first pipe, second pipe, grid board and filtration sponge, filtering mechanism one side is equipped with the delivery pump, protecting box inner chamber top is equipped with the heat dissipation coil pipe, the oil pipe is returned to the heat dissipation coil pipe output, the heat dissipation coil pipe is equipped with the fan in the dead ahead in surface. The utility model discloses can take the cooling out to the inside fluid of power transformer main part, then inside backward flow to the power transformer main part, played the inside radiating effect to the power transformer main part, improved power transformer main part safety in utilization and life-span.
Description
Technical Field
The utility model relates to a power transformer equipment technical field especially relates to an oil-immersed power transformer.
Background
Distribution transformers are one of the important devices in industrial and mining enterprises and civil building power supply and distribution systems, and reduce the voltage of a 10(6) kV or 35kV network to 230/400V bus voltage used by users. The product is suitable for alternating current of 50(60) Hz and three-phase maximum rated capacity of 2500kVA (single-phase maximum rated capacity 833kVA, a single-phase transformer is not generally recommended), can be used indoors or outdoors, can be arranged on a pole when the capacity is 315kVA or below, and has the environment temperature of not higher than 40 ℃, not lower than-25 ℃, the maximum daily average temperature of 30 ℃, the maximum annual average temperature of 20 ℃, the relative humidity of not more than 90% (environment temperature of 25 ℃) and the altitude of not more than 1000 m. If the above-mentioned conditions are not met, the rating should be adjusted appropriately according to the regulations of GB 6450-86.
When the existing oil-immersed power transformer is used, the self heat dissipation effect is insufficient, so that heat is easily accumulated inside the oil-immersed power transformer, the oil-immersed power transformer is damaged, and the use safety and the service life of the oil-immersed power transformer are reduced. To this end, we propose an oil-immersed power transformer.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oil-immersed power transformer, the device can take the cooling out to the inside fluid of power transformer main part, then flow back to inside the power transformer main part again, have played the inside radiating effect to the power transformer main part, have improved power transformer main part safety in utilization and life-span.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of oil-immersed power transformer, including the power transformer main part, the welding of power transformer main part left side wall bottom has the bracket, bracket top surface mounting has the protecting box, power transformer main part left side wall bottom is inlayed and is connected with the oil pipe, filtering mechanism is installed to protecting box inner chamber bottom surface one side, filtering mechanism includes filter cartridge, first pipe, second pipe, grid board and filtration sponge, filtering mechanism one side is equipped with the delivery pump, protecting box inner chamber top is equipped with the heat dissipation coil pipe, the oil pipe is returned to the heat dissipation coil pipe output, the dead ahead in heat dissipation coil pipe surface is equipped with the fan, the heat dissipation window has been seted up to protecting box left side wall top, dustproof otter board is installed to heat dissipation window inner chamber.
Optionally, the filter cartridge right side wall is inlayed and is connected with first pipe, and first pipe switches on with the oil outlet pipe and links to each other, the filter cartridge left side wall is inlayed and is connected with the second pipe, and second pipe one end switches on with the delivery pump input end through the pipeline and links to each other.
Optionally, grating plates are installed on two sides of the inner cavity of the filter box, and filter sponge is arranged between the two groups of grating plates.
Optionally, the output end of the conveying pump is connected with the input end of the heat dissipation coil pipe through a pipeline.
Optionally, the other end of the oil return pipe is connected with the top of the left side wall of the power transformer main body in a conduction mode.
Optionally, the heat dissipation coil and the top of the fan are connected with the top surface of the inner cavity of the protective box through connecting rods.
The utility model has the advantages as follows:
1. the utility model discloses a power transformer main part, can be fixed to the protective housing installation through the bracket, because filtering mechanism is installed to protective housing inner chamber bottom surface one side, and go out oil pipe among the filtering mechanism, can carry the fluid in the power transformer main part to the filter cartridge in through first pipe, through the second pipe, can carry the fluid after filtering to the delivery pump in, can be spacing to filtering the sponge through two sets of grid boards, and then can make and filter the sponge and carry out filtration treatment to the fluid of flowing through, prevent that the impurity in the fluid from flowing into to the delivery pump.
2. Through being equipped with the heat dissipation coil pipe at protective housing inner chamber top, and the delivery pump output end switches on with the heat dissipation coil pipe input through the pipeline and links to each other, thereby can make the delivery pump can be with leading-in to the heat dissipation coil pipe of fluid after filtering, then through the heat dissipation coil pipe, can carry out the thermal treatment to the fluid of flowing through, because the oil pipe is returned to the heat dissipation coil pipe output, and it switches on continuously with power transformer main part left side wall top to return the oil pipe other end, thereby can make and return the oil pipe and can lead to the power transformer main part once more with the fluid after the heat dissipation, and then can play the power transformer main part radiating action, power transformer main part internal plant safety in utilization and life-span have been improved.
3. Through the fan, can accelerate the heat loss on heat dissipation coil surface, improve the radiating efficiency of heat dissipation coil to fluid to the heat dissipation window can make things convenient for the fan to arrange the protective housing outside with the heat on heat dissipation coil surface, and dustproof otter board simultaneously can prevent again that external dust from entering into to the protective housing inside, through the connecting rod, can be to heat dissipation coil and fan installation, and then can improve the safety that heat dissipation coil and fan used.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of an overall structure of an oil-immersed power transformer according to an embodiment of the present invention;
fig. 2 is a schematic side view of a protection box of an oil-immersed power transformer according to an embodiment of the present invention;
fig. 3 is a schematic side sectional structure view of a protective box of an oil-immersed power transformer according to an embodiment of the present invention;
fig. 4 is the utility model discloses an oil-immersed power transformer's filtering mechanism section structure sketch map.
In the figure: 1. a power transformer body; 2. a bracket; 3. a protective box; 4. an oil outlet pipe; 5. a filtering mechanism; 501. a filter cartridge; 502. a first conduit; 503. a second conduit; 504. a grid plate; 505. filtering the sponge; 6. a delivery pump; 7. a heat-dissipating coil pipe; 8. an oil return pipe; 9. a fan; 10. a heat dissipation window; 11. a dustproof mesh plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An oil-immersed power transformer according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.
The embodiment of the utility model provides an oil-immersed power transformer, including power transformer main part 1, the welding of power transformer main part 1 left side wall bottom has bracket 2, bracket 2 top surface mounting has protecting box 3, power transformer main part 1 left side wall bottom is inlayed and is connected with oil pipe 4, protecting box 3 inner chamber bottom surface one side is installed filtering mechanism 5, filtering mechanism 5 includes filter box 501, first pipe 502, second pipe 503, grid board 504 and filter sponge 505, filtering mechanism 5 one side is equipped with delivery pump 6, protecting box 3 inner chamber top is equipped with heat dissipation coil pipe 7, heat dissipation coil pipe 7 output end is installed back oil pipe 8, heat dissipation coil pipe 7 surface is equipped with fan 9 directly in front, protecting box 3 left side wall top has been seted up heat dissipation window 10, heat dissipation window 10 inner chamber is installed dustproof otter board 11, the device can take out the cooling to the inside fluid of power transformer main part 1, then inside backward flow to power transformer main part 1, has played the inside radiating effect to power transformer main part 1, has improved power transformer main part 1 safety in utilization and life-span.
The embodiment of the utility model provides a pair of oil-immersed power transformer, filter cartridge 501 right side wall is inlayed and is connected with first pipe 502, and first pipe 502 switches on with play oil pipe 4 and link to each other, filter cartridge 501 left side wall is inlayed and is connected with second pipe 503, and second pipe 503 one end switches on with delivery pump 6 input through the pipeline and links to each other to can carry the fluid in the power transformer main part 1 to filter cartridge 501 through first pipe 502 through play oil pipe 4, through second pipe 503, can carry the fluid after filtering to delivery pump 6 in.
The embodiment of the utility model provides a pair of oil-immersed power transformer, filter box 501 inner chamber both sides and all install grid plate 504, and are two sets of be equipped with between the grid plate 504 and filter sponge 505 to can make two sets of grid plate 504 can be spacing to filtering sponge 505, and then can make and filter sponge 505 and can carry out filtration treatment to the fluid of flowing through, prevent that the impurity in the fluid from flowing into to delivery pump 6 in.
The embodiment of the utility model provides a pair of oil-immersed power transformer, 6 outputs of delivery pump switch on continuously through pipeline and 7 inputs of heat dissipation coil pipe to can make delivery pump 6 can be leading-in to heat dissipation coil pipe 7 with the fluid after filtering.
The embodiment of the utility model provides a pair of oil-immersed power transformer, it switches on continuously with 1 left side wall top of power transformer main part to return oil pipe 8 other end to can make and return oil pipe 8 can be with the fluid after the heat dissipation leading-in to power transformer main part 1 once more.
The embodiment of the utility model provides a pair of oil-immersed power transformer, heat dissipation coil pipe 7 and fan 9 top all link to each other through connecting rod and 3 inner chamber top surfaces of protective housing to can make the connecting rod can be to heat dissipation coil pipe 7 and fan 9 installation, and then can improve the safety that heat dissipation coil pipe 7 and fan 9 used.
The embodiment of the utility model provides an oil-immersed power transformer, through welding bracket 2 in the bottom of the left side wall of power transformer main body 1, and bracket 2 top surface mounting has protective housing 3, thereby can make power transformer main body 1 can be installed fixedly to protective housing 3 through bracket 2, because protective housing 3 cavity bottom surface side is installed with filter mechanism 5, and filter mechanism 5 includes filter box 501, first pipe 502, second pipe 503, grid board 504 and filter sponge 505, simultaneously filter box 501 right side wall inlay and connect with first pipe 502, first pipe 502 is conductively connected with oil outlet pipe 4, thereby can be through oil outlet pipe 4 carry the fluid in power transformer main body 1 to filter box 501 through first pipe 502, because filter box 501 left side wall inlay and connect with second pipe 503, and second pipe 503 one end is conductively connected with delivery pump 6 input through the pipeline, thereby, the second conduit 503 can convey the filtered oil to the delivery pump 6, the grating plates 504 are installed on both sides of the inner cavity of the filter box 501, and the filter sponge 505 is arranged between the two groups of grating plates 504, so that the two groups of grating plates 504 can limit the filter sponge 505, further the filter sponge 505 can filter the flowing oil, and prevent the impurities in the oil from flowing into the delivery pump 6, the heat dissipation coil 7 is arranged on the top of the inner cavity of the protective box 3, and the output end of the delivery pump 6 is connected with the input end of the heat dissipation coil 7 through a pipeline, so that the delivery pump 6 can guide the filtered oil into the heat dissipation coil 7, then the flowing oil can be subjected to heat dissipation treatment through the heat dissipation coil 7, because the output end of the heat dissipation coil 7 is provided with the oil return pipe 8, and the other end of the oil return pipe 8 is connected with the top of the left side wall of the power transformer main body 1 in a conduction manner, thereby, the oil return pipe 8 can lead the oil after heat dissipation into the power transformer main body 1 again, and further can play a role of heat dissipation to the power transformer main body 1, the use safety and the service life of the internal equipment of the power transformer main body 1 are improved, because the fan 9 is arranged right ahead of the surface of the heat dissipation coil pipe 7, the top of the left side wall of the protective box 3 is provided with the heat dissipation window 10, and the inner cavity of the heat dissipation window 10 is provided with the dustproof screen plate 11, the fan 9 can accelerate the heat loss on the surface of the heat dissipation coil pipe 7, the heat dissipation efficiency of the heat dissipation coil pipe 7 to the oil is improved, the heat dissipation window 10 can facilitate the fan 9 to discharge the heat on the surface of the heat dissipation coil pipe 7 to the outside of the protective box 3, and can prevent external dust from entering the protective box 3 through the dustproof screen plate 11, because the tops of the heat dissipation coil pipe 7 and the fan 9 are connected with the top surface of the inner cavity of the protective box 3 through the connecting rod, therefore, the connecting rod can be used for installing the heat dissipation coil 7 and the fan 9, and the use safety of the heat dissipation coil 7 and the fan 9 can be improved.
It should be noted that, the utility model relates to an oil-immersed power transformer, including power transformer main part 1, bracket 2, protective housing 3, go out oil pipe 4, filtering mechanism 5, filter box 501, first pipe 502, second pipe 503, grid plate 504, filter sponge 505, delivery pump 6, heat dissipation coil pipe 7, oil return pipe 8, fan 9, heat dissipation window 10 and dustproof otter board 11, the part is general standard component or the part that technical staff in this field knows, its structure and principle all can learn through the technical manual or obtain through conventional experimental method, and above-mentioned electrical components are by the nimble selection of technical staff in this field, the installation is accomplished the circuit debugging, guarantee that each equipment can normal operating, do not too much restriction requirement here.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. An oil-immersed power transformer, includes power transformer main part (1), its characterized in that: the power transformer comprises a power transformer main body (1), a bracket (2) is welded at the bottom of the left side wall of the power transformer main body (1), a protective box (3) is installed on the surface of the top of the bracket (2), an oil outlet pipe (4) is embedded and connected at the bottom of the left side wall of the power transformer main body (1), a filtering mechanism (5) is installed on one side of the surface of the bottom of the inner cavity of the protective box (3), the filtering mechanism (5) comprises a filtering box (501), a first guide pipe (502), a second guide pipe (503), a grating plate (504) and a filtering sponge (505), a conveying pump (6) is arranged on one side of the filtering mechanism (5), a heat dissipation coil (7) is arranged at the top of the inner cavity of the protective box (3), an oil return pipe (8) is installed at the output end of the heat dissipation coil (7), a fan (9) is arranged right in front of the surface of the heat dissipation coil (7), and a heat dissipation window (10) is arranged at the top of the left side wall of the protective box (3), and a dustproof mesh plate (11) is arranged in the inner cavity of the heat dissipation window (10).
2. An oil filled power transformer as claimed in claim 1, characterised in that: the right side wall of the filter box (501) is inlaid with a first conduit (502), the first conduit (502) is communicated with the oil outlet pipe (4), the left side wall of the filter box (501) is inlaid with a second conduit (503), and one end of the second conduit (503) is communicated with the input end of the delivery pump (6) through a pipeline.
3. An oil filled power transformer as claimed in claim 1, characterised in that: grating plates (504) are installed on two sides of an inner cavity of the filter box (501), and a filter sponge (505) is arranged between the two groups of grating plates (504).
4. An oil filled power transformer as claimed in claim 1, characterised in that: the output end of the delivery pump (6) is communicated with the input end of the heat dissipation coil (7) through a pipeline.
5. An oil filled power transformer as claimed in claim 1, characterised in that: the other end of the oil return pipe (8) is communicated and connected with the top of the left side wall of the power transformer main body (1).
6. An oil filled power transformer as claimed in claim 1, characterised in that: the tops of the heat dissipation coil (7) and the fan (9) are connected with the surface of the top of the inner cavity of the protective box (3) through connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023235342.1U CN213752277U (en) | 2020-12-29 | 2020-12-29 | Oil-immersed power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023235342.1U CN213752277U (en) | 2020-12-29 | 2020-12-29 | Oil-immersed power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213752277U true CN213752277U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023235342.1U Active CN213752277U (en) | 2020-12-29 | 2020-12-29 | Oil-immersed power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213752277U (en) |
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2020
- 2020-12-29 CN CN202023235342.1U patent/CN213752277U/en active Active
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