CN220065367U - External circulation filtering type oil immersed transformer - Google Patents
External circulation filtering type oil immersed transformer Download PDFInfo
- Publication number
- CN220065367U CN220065367U CN202321536057.4U CN202321536057U CN220065367U CN 220065367 U CN220065367 U CN 220065367U CN 202321536057 U CN202321536057 U CN 202321536057U CN 220065367 U CN220065367 U CN 220065367U
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- Prior art keywords
- immersed transformer
- pipe
- oil immersed
- circulating
- filter
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- 238000001914 filtration Methods 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 20
- 229910052701 rubidium Inorganic materials 0.000 claims description 18
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims description 18
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Transformer Cooling (AREA)
Abstract
The utility model discloses an external circulating filtration type oil immersed transformer, which belongs to the field of oil immersed transformers and comprises an oil immersed transformer main body, wherein a liquid outlet pipe is connected to the bottom of one side wall of the oil immersed transformer main body in an embedded manner, a liquid return pipe is connected to the top of one side wall of the oil immersed transformer main body in an embedded manner, and the liquid return pipe is connected with the liquid outlet pipe in a conducting manner through an external circulating filtration mechanism; the external circulating filter mechanism comprises a protective box, a circulating pump is arranged on one side of the bottom surface of the inner cavity of the protective box, the output end of the circulating pump is communicated with the liquid outlet pipe through a first conveying pipe, the output end of the circulating pump is connected with a filter assembly through a second conveying pipe, and the output end of the filter assembly is provided with a third conveying pipe.
Description
Technical Field
The utility model relates to the field of oil immersed transformers, in particular to an external circulating filter type oil immersed transformer.
Background
The oil immersed transformer is a long-time operation device, when the oil immersed transformer runs for a long time under high load, vibration and thermal expansion and contraction of transformer oil occur, impurities and moisture brought by breathing holes and oil conservators pass through the large-scale transformer, a forced heat dissipation system is arranged, a plurality of operation parts are added, more impurities are brought by abrasion and faults of the parts, the transformer belongs to precise high-insulation equipment, and the service life of the transformer is seriously influenced by the internal circulation of the impurities in insulating oil.
However, the existing large-scale transformer oil circuit circulation is provided with a filtering system for filtering impurities in insulating oil, and the small-scale oil immersed transformer is relatively small in power, and the oil pump is not generally configured by radiating through the corrugated fins on the outer wall, however, when the transformer operates for a long time, impurities in the insulating oil accumulate for a long time, the impurities damage internal elements greatly, and the work of the transformer is seriously affected, so that an external circulating filtering type oil immersed transformer is provided for solving the problems.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the utility model aims to provide an external circulating filtering type oil immersed transformer, which can extract and filter insulating oil in an oil immersed transformer main body and then reflux the insulating oil into the oil immersed transformer main body, thereby improving the use safety and service life of the oil immersed transformer main body.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The external circulating filtering type oil immersed transformer comprises an oil immersed transformer main body, wherein a liquid outlet pipe is embedded and connected at the bottom of one side wall of the oil immersed transformer main body, a liquid return pipe is embedded and connected at the top of one side wall of the oil immersed transformer main body, and the liquid return pipe is communicated and connected with the liquid outlet pipe through an external circulating filtering mechanism;
the external circulating filter mechanism comprises a protective box, a circulating pump is arranged on one side of the bottom surface of the inner cavity of the protective box, the output end of the circulating pump is communicated with the liquid outlet pipe through a first conveying pipe, the output end of the circulating pump is connected with a filter assembly through a second conveying pipe, a third conveying pipe is arranged at the output end of the filter assembly, and the output end of the third conveying pipe is communicated with the liquid return pipe.
Further, a first through hole is formed in the surface of one side wall of the protective box, and the first through hole is connected with the first conveying pipe in an inserting mode.
Further, a second through hole is formed in the top surface of the protective box, and the second through hole is connected with the third conveying pipe in an inserting mode.
Further, the filter component comprises a bottom box and a sealing cover arranged at the top opening end of the bottom box, a first oil guide pipe is embedded and connected in the middle of the top surface of the sealing cover, the top end of the first oil guide pipe is connected with one end of the second conveying pipe, a positioning ring is fixedly arranged in an inner cavity of the bottom box, a filter screen cover is arranged on the top surface of the positioning ring, and a second oil guide pipe is embedded and connected at the bottom of one side wall of the bottom box.
Further, the top surface of the filter screen cover is provided with a sealing rubber ring, and the top surface of the sealing rubber ring is attached to the bottom surface of the sealing cover.
Further, a bracket is arranged on the bottom surface of the external circulating filter mechanism, and one end of the bracket is fixedly connected with the side wall of the oil immersed transformer main body.
Further, two groups of inclined supporting plates are symmetrically arranged on two sides of the bottom surface of the bracket.
Further, the adsorption part comprises two rubidium magnet strips which are arranged in parallel, clamping seats are arranged on the two rubidium magnet strips and close to the two ends, the middle of each clamping seat is connected with the bottom surface of the inner cavity of the bottom box through positioning screws, tenons are arranged on two sides of the bottom surface of each clamping seat, and mortises for inserting the tenons are formed in two sides of the top surface of each rubidium magnet strip.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
according to the scheme, the liquid outlet pipe and the liquid return pipe can be installed through the oil immersed transformer main body, equipment such as a circulating pump and a filtering component can be installed and protected through a protective box in the external circulating filtering mechanism, when the insulating oil in the oil immersed transformer main body needs to be filtered, the insulating oil in the oil immersed transformer main body can be pumped out through the circulating pump through the first conveying pipe and the liquid outlet pipe, and conveyed to the filtering component through the second conveying pipe, impurity filtering treatment can be carried out on the insulating oil flowing through the filtering component, and then the effect of insulating oil stains can be removed, and then through the third conveying pipe, the filtering component can guide the filtered insulating oil to the liquid return pipe, and then the insulating oil can flow back into the oil immersed transformer main body.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic view of an external circulating filter mechanism according to the present utility model;
FIG. 4 is a schematic view of an exploded view of a filter assembly according to the present utility model;
fig. 5 is a schematic view of the structure of the adsorption unit of the present utility model.
The reference numerals in the figures illustrate:
1. an oil immersed transformer body; 2. a liquid outlet pipe; 3. a liquid return pipe; 4. an external circulating filtering mechanism; 5. a protective box; 6. a circulation pump; 7. a first delivery tube; 8. a second delivery tube; 9. a filter assembly; 901. a bottom box; 902. a cover; 903. a first oil conduit; 904. a positioning ring; 905. filtering the net cover; 906. sealing the rubber ring; 907. a second oil guide pipe; 908. an adsorption unit; 9081. rubidium magnet bars; 9082. a clamping seat; 9083. a set screw; 10. a third delivery tube; 11. and a bracket.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
referring to fig. 1-3, an external circulation filtering type oil immersed transformer comprises an oil immersed transformer main body 1, wherein a drain pipe 2 is embedded and connected at the bottom of one side wall of the oil immersed transformer main body 1, a liquid return pipe 3 is embedded and connected at the top of one side wall of the oil immersed transformer main body 1, and the liquid return pipe 3 is communicated and connected with the drain pipe 2 through an external circulation filtering mechanism 4;
the external circulating filter mechanism 4 comprises a protective box 5, a circulating pump 6 is arranged on one side of the bottom surface of an inner cavity of the protective box 5, the output end of the circulating pump 6 is communicated with the liquid outlet pipe 2 through a first conveying pipe 7, the output end of the circulating pump 6 is connected with a filter assembly 9 through a second conveying pipe 8, the output end of the filter assembly 9 is provided with a third conveying pipe 10, and the output end of the third conveying pipe 10 is communicated with the liquid return pipe 3;
through oily transformer main part 1, can install drain pipe 2 and return liquid pipe 3, then through the protective housing 5 in the external circulation filter mechanism 4, can install and protect equipment such as circulating pump 6, filter unit 9, when needs are filtered the insulating oil in the oily transformer main part 1, at this moment through circulating pump 6, can take out the insulating oil in the oily transformer main part 1 through first conveyer pipe 7 and drain pipe 2, and carry in filter unit 9 through second conveyer pipe 8, through filter unit 9, can carry out impurity filtration to the insulating oil that flows through, and then can get rid of the effect of insulating greasy dirt, then through third conveyer pipe 10, can make filter unit 9 with the insulating oil water conservancy diversion after filtering to return liquid pipe 3 departments, and then can flow back to oily transformer main part 1 in, so far accomplish the filtration treatment to the insulating oil, the safety in utilization of oily transformer has been improved, external circulation filter insulating oil's purpose.
Referring to fig. 3, a first through hole is formed in a side wall surface of the protection box 5, and the first through hole is connected with the first conveying pipe 7 in an inserting manner, so that the first conveying pipe 7 can conveniently penetrate through the protection box 5 through the first through hole, and the first conveying pipe 7 can be conveniently used.
Referring to fig. 3, a second through hole is formed in the top surface of the protective casing 5, and the second through hole is connected with the third conveying pipe 10 in an inserting manner, so that the third conveying pipe 10 can conveniently penetrate through the protective casing 5 through the second through hole, and the third conveying pipe 10 can be conveniently used.
Referring to fig. 3 and 4, the filter assembly 9 includes a bottom case 901 and a sealing cover 902 disposed at an opening end of the top of the bottom case 901, a first oil guide pipe 903 is inlaid and connected in the middle of the top surface of the sealing cover 902, the top end of the first oil guide pipe 903 is connected with one end of a second conveying pipe 8, a positioning ring 904 is fixedly disposed in an inner cavity of the bottom case 901, a filter screen 905 is disposed on the top surface of the positioning ring 904, a second oil guide pipe 907 is inlaid and connected at the bottom of a side wall of the bottom case 901, the bottom case 901 and the sealing cover 902 in the filter assembly 9 can be combined to form a filter cavity, the filter screen 905 can be mounted through the positioning ring 904, then the insulating oil conveyed by the second conveying pipe 8 can be guided into the filter cavity through the first oil guide pipe 903, so that the filter screen cover 905 can filter the flowing insulating oil, impurities in the insulating oil can be removed, the filtered insulating oil can be guided out of the filter cavity through the second oil guide pipe 907, and then flows back into the oil immersed transformer main body 1 through the third conveying pipe 10, the use safety of the external transformer main body 1 is improved, and a circulating filter function is realized.
Referring to fig. 4, a sealing rubber ring 906 is disposed on the top surface of the filter screen 905, and the top surface of the sealing rubber ring 906 is attached to the bottom surface of the cover 902, so that the cover 902 presses the top end of the filter screen 905 through the sealing rubber ring 906, and the use stability of the filter screen 905 can be improved.
Referring to fig. 2, a bracket 11 is arranged on the bottom surface of the external circulating filter mechanism 4, and one end of the bracket 11 is fixedly connected with the side wall of the oil immersed transformer main body 1, so that the use stability of the external circulating filter mechanism 4 can be improved.
Referring to fig. 2, two groups of inclined supporting plates are symmetrically arranged on two sides of the bottom surface of the bracket 11, so that the bracket 11 can be stably supported, and the supporting stability of the bracket 11 is further improved.
Referring to fig. 4 and 5, the adsorption portion 908 includes two parallel rubidium magnet strips 9081, two clamping bases 9082 are disposed on the two rubidium magnet strips 9081 and close to two ends, the middle of each clamping base 9082 is connected with the bottom surface of the inner cavity of the bottom box 901 through a positioning screw 9083, tenons are disposed on two sides of the bottom surface of the clamping base 9082, and mortises for inserting the tenons are disposed on two sides of the top surface of the two rubidium magnet strips 9081;
through two cassette 9082 in the adsorption part 908, can fix respectively in end box 901 inner chamber bottom surface both sides through two set screw 9083 to can fix a position two rubidium magnet strips 9081, and then can make two rubidium magnet strips 9081 adsorb the insulating oil that flows through, so that can get rid of the iron slag in the insulating oil, reduced the filterable burden of filter screen panel 905, owing to the tenon on cassette 9082 is pegged graft with the tongue-and-groove on rubidium magnet strip 9081 and is linked to each other, thereby can improve the stability of rubidium magnet strip 9081 installation.
When in use: through the oil immersed transformer main body 1, the drain pipe 2 and the liquid return pipe 3 can be installed, then equipment such as the circulating pump 6, the filter assembly 9 and the like can be installed and protected through the protective box 5 in the external circulating filter mechanism 4, when the insulating oil in the oil immersed transformer main body 1 needs to be filtered, the insulating oil in the oil immersed transformer main body 1 can be pumped out through the circulating pump 6 through the first conveying pipe 7 and the drain pipe 2 and conveyed into the filter assembly 9 through the second conveying pipe 8, the flowing insulating oil can be subjected to impurity filtering treatment through the filter assembly 9, and then the insulating oil stain can be removed, and then the filtered insulating oil can be guided to the liquid return pipe 3 through the third conveying pipe 10 by the filter assembly 9, so that the filtered insulating oil can flow back into the oil immersed transformer main body 1, so that the filtering treatment of the insulating oil is finished, the use safety of the oil immersed transformer is improved, and the purpose of externally circulating and filtering the insulating oil is realized;
through the bottom box 901 and the sealing cover 902 in the filter assembly 9, a filter cavity can be formed in a combined mode, the filter screen cover 905 can be installed through the bottom box 901 and the positioning ring 904, then insulating oil conveyed by the second conveying pipe 8 can be guided into the filter cavity through the first oil guide pipe 903, so that the filter screen cover 905 can filter the insulating oil flowing through the filter cavity, impurities in the insulating oil can be removed, the filtered insulating oil can be guided out of the filter cavity through the second oil guide pipe 907 and then flows back into the oil immersed transformer main body 1 through the third conveying pipe 10, the use safety of the immersed transformer main body 1 is improved, an external circulating filter function is realized, and the sealing cover 902 can be pressed on the top end of the filter screen cover 905 through the sealing rubber ring 906, so that the use stability of the filter screen cover 905 can be improved;
through the bracket 11, one end of the bracket 11 is fixedly connected with the side wall of the oil immersed transformer main body 1, the use stability of the external circulating filter mechanism 4 can be improved, and the bracket 11 can be stably supported by two groups of inclined support plates, so that the support stability of the bracket 11 is further improved;
through two cassette 9082 in the adsorption part 908, can fix respectively in end box 901 inner chamber bottom surface both sides through two set screw 9083 to can fix a position two rubidium magnet strips 9081, and then can make two rubidium magnet strips 9081 adsorb the insulating oil that flows through, so that can get rid of the iron slag in the insulating oil, reduced the filterable burden of filter screen panel 905, owing to the tenon on cassette 9082 is pegged graft with the tongue-and-groove on rubidium magnet strip 9081 and is linked to each other, thereby can improve the stability of rubidium magnet strip 9081 installation.
The above is only a preferred embodiment of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (8)
1. The utility model provides an external circulation filters formula oil immersed transformer, includes oil immersed transformer main part (1), its characterized in that: the bottom of one side wall of the oil immersed transformer main body (1) is connected with a liquid outlet pipe (2) in an embedded manner, the top of one side wall of the oil immersed transformer main body (1) is connected with a liquid return pipe (3) in an embedded manner, and the liquid return pipe (3) is connected with the liquid outlet pipe (2) in a conducting manner through an external circulating filtering mechanism (4);
external circulation filtering mechanism (4) are including protective housing (5), protective housing (5) inner chamber bottom surface one side is provided with circulating pump (6), and circulating pump (6) output pass through first conveyer pipe (7) with drain pipe (2) switch on and link to each other, circulating pump (6) output is connected with filter component (9) through second conveyer pipe (8), third conveyer pipe (10) are installed to filter component (9) output, and third conveyer pipe (10) output with return liquid pipe (3) switch on and link to each other.
2. The externally-arranged circulating filter type oil immersed transformer according to claim 1, wherein: a first through hole is formed in the surface of one side wall of the protective box (5), and the first through hole is connected with the first conveying pipe (7) in an inserting mode.
3. The externally-arranged circulating filter type oil immersed transformer according to claim 1, wherein: the top surface of the protective box (5) is provided with a second through hole, and the second through hole is connected with the third conveying pipe (10) in an inserting mode.
4. The externally-arranged circulating filter type oil immersed transformer according to claim 1, wherein: the filter assembly (9) comprises a bottom box (901) and a sealing cover (902) arranged at the top opening end of the bottom box (901), a first oil guide pipe (903) is embedded and connected in the middle of the top surface of the sealing cover (902), the top end of the first oil guide pipe (903) is connected with one end of the second conveying pipe (8), a positioning ring (904) is fixedly arranged in an inner cavity of the bottom box (901), a filter screen (905) is arranged on the top surface of the positioning ring (904), and a second oil guide pipe (907) is embedded and connected at the bottom of one side wall of the bottom box (901);
the bottom surface of the inner cavity of the bottom box (901) is provided with an adsorption part (908).
5. The externally-arranged circulating filter type oil immersed transformer according to claim 4, wherein: the top surface of the filter screen cover (905) is provided with a sealing rubber ring (906), and the top surface of the sealing rubber ring (906) is attached to the bottom surface of the sealing cover (902).
6. The externally-arranged circulating filter type oil immersed transformer according to claim 1, wherein: the bottom surface of the external circulating filter mechanism (4) is provided with a bracket (11), and one end of the bracket (11) is fixedly connected with the side wall of the oil immersed transformer main body (1).
7. The externally-arranged circulating filter type oil immersed transformer according to claim 6, wherein: two groups of inclined supporting plates are symmetrically arranged on two sides of the bottom surface of the bracket (11).
8. The externally-arranged circulating filter type oil immersed transformer according to claim 4, wherein: the adsorption part (908) comprises two rubidium magnet strips (9081) which are arranged in parallel, clamping bases (9082) are arranged on the two rubidium magnet strips (9081) and close to the two ends, the middle of each clamping base (9082) is connected with the bottom surface of the inner cavity of the bottom box (901) through positioning screws (9083), tenons are arranged on two sides of the bottom surface of each clamping base (9082), and mortises for plugging the tenons are formed in two sides of the top surface of each rubidium magnet strip (9081).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321536057.4U CN220065367U (en) | 2023-06-15 | 2023-06-15 | External circulation filtering type oil immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321536057.4U CN220065367U (en) | 2023-06-15 | 2023-06-15 | External circulation filtering type oil immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220065367U true CN220065367U (en) | 2023-11-21 |
Family
ID=88785584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321536057.4U Active CN220065367U (en) | 2023-06-15 | 2023-06-15 | External circulation filtering type oil immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220065367U (en) |
-
2023
- 2023-06-15 CN CN202321536057.4U patent/CN220065367U/en active Active
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