CN113436845A - Multifunctional intelligent oil-immersed transformer - Google Patents
Multifunctional intelligent oil-immersed transformer Download PDFInfo
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- CN113436845A CN113436845A CN202110697134.3A CN202110697134A CN113436845A CN 113436845 A CN113436845 A CN 113436845A CN 202110697134 A CN202110697134 A CN 202110697134A CN 113436845 A CN113436845 A CN 113436845A
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- oil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a multifunctional intelligent oil-immersed transformer, relates to the technical field of transformers, and solves the problems that the quality of oil liquid is low after long-term use, the functionality of the transformer is low, the quality of the oil liquid is inconvenient to adjust automatically and the like in the process of cooling the oil liquid of the existing oil-immersed transformer by using transformer oil. The utility model provides a multi-functional intelligent oil immersion type transformer, includes transformer housing, transformer housing's one end fixed mounting has filtrating transmission device, filtrating transmission device includes first extraction tube, sampling box, liquid level display strip, fluid pump, crosses filter tank and terminal box, the upper end fixed mounting of first extraction tube has the sampling box, one side of sampling box is provided with the liquid level display strip, the inboard fixed mounting of sampling box has the fluid pump. According to the oil-immersed transformer oil circulating device, oil liquid of the oil-immersed transformer is circularly conveyed and filtered, so that the temperature of the structure is effectively reduced, the quality of oil products is kept, data are conveniently wirelessly transmitted, and the installation angle is more conveniently adjusted.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a multifunctional intelligent oil-immersed transformer.
Background
With the rapid development of social and economic, the use of transformers is increasing, and distribution transformers are one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, wherein an oil-immersed transformer is a transformer in which a transformer main body is immersed in an oil tank, oil is used as a main insulation means of the transformer, and oil is used as a cooling medium for cooling.
However, the quality of the oil liquid of the existing oil-immersed transformer is low after long-term use in the process of cooling by using transformer oil, and the transformer has low functionality and is inconvenient to automatically adjust the quality of the oil liquid; therefore, the existing requirements are not met, and a multifunctional intelligent oil-immersed transformer is provided for the requirement.
Disclosure of Invention
The invention aims to provide a multifunctional intelligent oil-immersed transformer, which solves the problems that the quality of oil liquid is low after long-term use in the process of cooling by using transformer oil, the transformer is low in functionality, the quality of the oil liquid is not convenient to adjust automatically and the like in the conventional oil-immersed transformer in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multi-functional intelligent oil immersion type transformer, includes transformer housing, transformer housing's one end fixed mounting has filtrating transmission device, filtrating transmission device includes first extraction tube, sampling box, liquid level display strip, fluid pump, crosses filter tank and terminal box, the upper end fixed mounting of first extraction tube has the sampling box, one side of sampling box is provided with the liquid level display strip, the inboard fixed mounting of sampling box has the fluid pump, the filter tank is installed to the upper end of fluid pump, cross one side of filter tank and install the terminal box, the equal fixed mounting in both sides of transformer housing has combination heat dissipation mechanism.
Preferably, the lower terminal surface of transformer housing installs supporting mechanism, the up end fixed mounting of transformer housing has transformer coupling mechanism, the block terminal is installed to transformer coupling mechanism's one end.
Preferably, combination heat dissipation mechanism includes heat dissipation box, radiating fin, fan case, annotates liquid pipe, intake pipe, connecting sleeve board, second extraction pipe, transfer line and fluid storage box, nineteen radiating fin are all installed to the both sides of fluid storage box, the one end fixed mounting of fluid storage box has the transfer line, the outside fixed mounting of fluid storage box has the heat dissipation box, two fan cases are installed to the lower terminal surface of heat dissipation box, two connecting sleeve boards, two of them are all installed at the both ends of heat dissipation box the second extraction pipe is installed to the bottom of connecting sleeve board, the up end fixed mounting of heat dissipation box has notes liquid pipe, the intake pipe is all installed to the both sides of annotating the liquid pipe.
Preferably, the supporting mechanism includes support frame, spacing connection pad, support horizontal bar and connecting block, spacing connection pad is installed in the outside at support frame middle part, the equal fixed mounting in both ends of support frame has the support horizontal bar, five connecting blocks are evenly installed to the lower terminal surface that supports the horizontal bar.
Preferably, the transformer connecting mechanism comprises a sealing cover plate, a high-voltage bushing and a low-voltage bushing, the high-voltage bushing is fixedly mounted on the upper end face of the sealing cover plate, and the low-voltage bushing is mounted on one side of the high-voltage bushing.
Preferably, the oil pump passes through the screw connection with the sampling case and fixes, the one end of oil pump is connected through first extraction tube with the transformer casing, it is fixed through the joint with the sampling case to filter the jar, the inboard of filtering the jar is provided with filter screen and oil detector.
Preferably, the junction box is fixedly connected with the sampling box through screws, the junction box is electrically connected with the oil detector, and the inner side of the junction box is provided with a circuit main board and a wireless transmission module respectively.
Preferably, the heat dissipation box body is fixedly connected with the transformer shell through screws, two ends of each heat dissipation fin penetrate through two ends of the heat dissipation box body and are fixedly welded, and the heat dissipation fins, the liquid injection pipes and the connecting sleeve plates are all connected in a penetrating mode.
Preferably, the one end of fluid storage tank passes through the transfer line with wherein two connecting sleeve boards and is connected, the bottom of annotating the liquid pipe runs through the up end of heat dissipation box and is connected with the fluid storage tank through the screw thread, the fluid storage tank is connected through annotating the liquid pipe with the transformer casing.
Preferably, the limiting connection disc is welded and fixed with the transformer shell, a limiting sliding groove is formed in the inner side of the limiting connection disc, the middle of the support frame is arranged on the inner side of the limiting sliding groove, the limiting connection disc is fixedly connected with the support frame through screws, and the support cross bar is fixedly connected with four end corners of the support frame through screws.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the transformer shell, the support frame is placed on the inner sides of the limiting connection disc and the transformer shell, the support frame rotates relative to the limiting connection disc, the whole horizontal installation angle can be conveniently adjusted at will, oil is conveyed to the inner side of the connection sleeve plate through the second extraction pipe through the pump body arranged on the inner side of the transformer shell, the oil can be subjected to heat dissipation treatment through the heat dissipation fins and the fan box together, oil can flow in a circulating mode on the inner sides of the oil storage box and the transformer shell through the conveying of the liquid conveying pipe and the liquid injection pipe, and the temperature of the inner side structure of the transformer shell can be conveniently reduced;
2. according to the invention, the oil pump can pump the oil inside the transformer shell to the inner side of the filter tank through the first extraction pipe, the filter screen and the oil detector are respectively arranged on the inner side of the filter tank, continuous filtering operation can be carried out on the oil through the filter screen, the quality of the oil in the transformer shell in the long-term use process is effectively ensured to be unchanged, the oil can be monitored in real time through the filter tank, the detection result can be conveniently wirelessly transmitted, the use is more intelligent, the liquid level of the oil can be displayed through the liquid level display strip, and the oil inside the oil storage tank can be conveniently supplemented in time.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a front view of the present invention in its entirety;
FIG. 3 is a bottom view of the present invention in its entirety;
FIG. 4 is a schematic view of a partial cross-sectional structure of a filtrate transfer mechanism according to the present invention;
FIG. 5 is a schematic view of a partial structure of the heat dissipation case of the present invention;
FIG. 6 is a schematic structural diagram of the combined heat dissipation mechanism of the present invention;
fig. 7 is a partial sectional view schematically showing an oil storage tank according to the present invention.
In the figure: 1. a transformer housing; 2. a filtrate transfer mechanism; 201. a first extraction tube; 202. a sampling box; 203. a liquid level display bar; 204. an oil liquid pump; 205. a filter tank; 206. a junction box; 3. a combined heat dissipation mechanism; 301. a heat dissipation box body; 302. a heat dissipating fin; 303. a fan case; 304. a liquid injection pipe; 305. an air inlet pipe; 306. connecting the sleeve plate; 307. a second extraction tube; 308. a transfusion tube; 309. an oil storage tank; 4. a support mechanism; 401. a support frame; 402. limiting a connecting disc; 403. supporting the horizontal bar; 404. connecting blocks; 5. a transformer connecting mechanism; 501. sealing the cover plate; 502. a high voltage bushing; 503. a low-pressure bushing; 6. a distribution box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The oil pump 204 (model 80 CYZ-22) referred to herein is commercially available or custom made.
Referring to fig. 1 to 7, an embodiment of the present invention includes: a multifunctional intelligent oil immersion type transformer comprises a transformer shell 1, wherein one end of the transformer shell 1 is fixedly provided with a filtrate transmission mechanism 2, the filtrate transmission mechanism 2 comprises a first extraction pipe 201, a sampling box 202, a liquid level display strip 203, an oil pump 204, a filter tank 205 and a junction box 206, the upper end of the first extraction pipe 201 is fixedly provided with the sampling box 202, one side of the sampling box 202 is provided with the liquid level display strip 203, the inner side of the sampling box 202 is fixedly provided with the oil pump 204, the upper end of the oil pump 204 is provided with the filter tank 205, the transformer oil is conveniently filtered and detected by the filter tank 205, one side of the filter tank 205 is provided with the junction box 206, two sides of the transformer shell 1 are both fixedly provided with combined heat dissipation mechanisms 3, the whole oil of the oil immersion type transformer is circularly conveyed and filtered, the temperature of the structure is effectively reduced, and the quality of the oil is kept, the data wireless transmission of being convenient for, and installation angle is more convenient for adjust.
Further, a supporting mechanism 4 is installed on the lower end face of the transformer shell 1, a transformer connecting mechanism 5 is fixedly installed on the upper end face of the transformer shell 1, a distribution box 6 is installed at one end of the transformer connecting mechanism 5, and circuit allocation can be carried out during the whole operation of the transformer through the distribution box 6.
Further, the combined heat dissipation mechanism 3 includes a heat dissipation box body 301, heat dissipation fins 302, fan boxes 303, a liquid injection pipe 304, an air inlet pipe 305, connecting sleeve plates 306, a second extraction pipe 307, liquid conveying pipes 308 and oil liquid storage boxes 309, nineteen heat dissipation fins 302 are installed on two sides of each oil liquid storage box 309, a liquid conveying pipe 308 is fixedly installed at one end of each oil liquid storage box 309, a heat dissipation box body 301 is fixedly installed on the outer side of each oil liquid storage box 309, two fan boxes 303 are installed on the lower end face of the heat dissipation box body 301, two connecting sleeve plates 306 are installed at two ends of each heat dissipation box body 301, the second extraction pipe 307 is installed at the bottom ends of the two connecting sleeve plates 306, the liquid injection pipe 304 is fixedly installed on the upper end face of the heat dissipation box body 301, the air inlet pipe 305 is installed on two sides of each liquid injection pipe 304, and transformer oil can be cooled circularly through the combined heat dissipation mechanism 3.
Further, the supporting mechanism 4 comprises a supporting frame 401, a limiting connecting disc 402, supporting cross bars 403 and connecting blocks 404, the limiting connecting disc 402 is installed on the outer side of the middle of the supporting frame 401, the supporting cross bars 403 are fixedly installed at two ends of the supporting frame 401, five connecting blocks 404 are evenly installed on the lower end face of each supporting cross bar 403, and the supporting mechanism 4 is convenient for installation and supporting of multiple angles on the whole.
Further, the transformer connecting mechanism 5 includes a sealing cover plate 501, a high-voltage bushing 502 and a low-voltage bushing 503, the high-voltage bushing 502 is fixedly mounted on the upper end surface of the sealing cover plate 501, the low-voltage bushing 503 is mounted on one side of the high-voltage bushing 502, and the transformer housing 1 can be sealed and the voltage can be adjusted through the transformer connecting mechanism 5.
Further, fluid pump 204 passes through the screw connection with sampling box 202 fixedly, and fluid pump 204's one end is connected through first extraction pipe 201 with transformer housing 1, and it is fixed through the joint with sampling box 202 to filter jar 205, and the inboard of filtering jar 205 is provided with filter screen and oil detector, is convenient for filter transformer oil and oil detection through filtering jar 205.
Further, terminal box 206 passes through the screw connection with sampling case 202 fixedly, and terminal box 206 passes through electric connection with the oil detector, and the inboard of terminal box 206 is provided with circuit mainboard and wireless transmission module respectively, can carry out wireless transmission to oil quality data through terminal box 206.
Further, the heat dissipation box body 301 is fixed with the transformer housing 1 through screw connection, the two ends of the heat dissipation fins 302 all penetrate through the two ends of the heat dissipation box body 301 and are fixed with the heat dissipation fins by welding, the heat dissipation fins 302, the liquid injection pipe 304 and the connecting sleeve plate 306 are all connected in a penetrating manner, and the two ends of the heat dissipation fins 302 are conveniently and fixedly mounted through the connecting sleeve plate 306.
Further, one end of the oil storage tank 309 is connected with two of the connecting sleeve plates 306 through a liquid conveying pipe 308, the bottom end of the liquid injection pipe 304 penetrates through the upper end face of the heat dissipation tank body 301 and is connected with the oil storage tank 309 through threads, the oil storage tank 309 is connected with the transformer shell 1 through the liquid injection pipe 304, and transformer oil can be stored and replaced through the oil storage tank 309.
Further, limiting connection disc 402 and transformer housing 1 welded fastening, the inboard of limiting connection disc 402 is provided with limiting sliding groove, and the middle part of support frame 401 sets up the inboard at limiting sliding groove, and limiting connection disc 402 passes through the screw connection with support frame 401 and fixes, and four end angles that support horizontal bar 403 and support frame 401 all are fixed through the screw connection, are convenient for can adjust wantonly holistic horizontal installation angle.
The working principle is as follows: when the combined heat dissipation device is used, whether the functions of all parts are intact is checked, the support frame 401 is placed on the inner sides of the limiting connection disc 402 and the transformer shell 1, the limiting connection disc 402 and the transformer shell 1 are welded and fixed, so that the support frame 401 rotates relative to the limiting connection disc 402 to facilitate the arbitrary adjustment of the integral horizontal installation angle, the limiting connection disc 402 and the support frame 401 are fixedly connected through screws to facilitate the fixed support and the connection of a power supply, the combined heat dissipation mechanism 3 is installed on two sides of the transformer shell 1, wherein the heat dissipation fins 302, the connection sleeve plate 306 and the second extraction pipe 307 are all connected in a penetrating manner, oil is conveyed to the inner side of the connection sleeve plate 306 through the second extraction pipe 307 by a pump body arranged on the inner side of the transformer shell 1, the lower end face of the heat dissipation box body 301 is fixedly provided with the two fan boxes 303, so that the heat dissipation treatment can be carried out on the oil together through the heat dissipation fins 302 and the fan boxes 303, the oil storage tank 309 is connected with two connecting sleeve plates 306 through an infusion tube 308, oil can flow in a circulating manner to the oil storage tank 309 and the inner side of the transformer shell 1 through the delivery of the infusion tube 308 and a liquid injection tube 304 after heat dissipation, so as to reduce the temperature of the inner side structure of the transformer shell 1, a filtrate transmission mechanism 2 is fixedly installed at one end of the transformer shell 1, an oil liquid pump 204 is started, the oil liquid pump 204 can pump the oil liquid in the inner side of the transformer shell 1 to the inner side of a filter tank 205 through a first extraction tube 201, a filter screen and an oil detector are respectively arranged at the inner side of the filter tank 205, the oil can be continuously filtered through the filter screen, the quality of the oil in the long-term use process of the oil liquid in the transformer shell 1 is effectively guaranteed to be unchanged, the junction box 206 is electrically connected with the oil detector, and a circuit board and a wireless transmission module are respectively arranged at the inner side of the junction box 206, make and can carry out real-time supervision to the oil through filtering jar 205, and then be convenient for carry out wireless transmission with the testing result, use more intelligently, be provided with liquid level display strip 203 in one side of sampling case 202 for can show the liquid level of fluid through liquid level display strip 203, be convenient for in time supply to the inboard fluid of fluid storage box 309.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a multi-functional intelligent oil-immersed transformer, includes transformer casing (1), its characterized in that: one end fixed mounting of transformer housing (1) has filtrating transmission device (2), filtrating transmission device (2) includes first extraction pipe (201), sampling box (202), liquid level display strip (203), fluid pump (204), filter tank (205) and terminal box (206), the upper end fixed mounting of first extraction pipe (201) has sampling box (202), one side of sampling box (202) is provided with liquid level display strip (203), the inboard fixed mounting of sampling box (202) has oil liquid pump (204), filter tank (205) are installed to the upper end of oil liquid pump (204), terminal box (206) are installed to one side of filter tank (205), the equal fixed mounting in both sides of transformer housing (1) has combination heat dissipation mechanism (3).
2. The multifunctional intelligent oil-immersed transformer of claim 1, wherein: supporting mechanism (4) are installed to the lower terminal surface of transformer casing (1), the up end fixed mounting of transformer casing (1) has transformer coupling mechanism (5), block terminal (6) are installed to the one end of transformer coupling mechanism (5).
3. The multifunctional intelligent oil-immersed transformer of claim 1, wherein: the combined heat dissipation mechanism (3) comprises a heat dissipation box body (301), heat dissipation fins (302), a fan box (303), a liquid injection pipe (304), an air inlet pipe (305), connecting sleeve plates (306), a second extraction pipe (307), an infusion pipe (308) and an oil liquid storage box (309), nineteen heat dissipation fins (302) are installed on two sides of the oil liquid storage box (309), the infusion pipe (308) is fixedly installed at one end of the oil liquid storage box (309), the heat dissipation box body (301) is fixedly installed at the outer side of the oil liquid storage box (309), two fan boxes (303) are installed on the lower end face of the heat dissipation box body (301), two connecting sleeve plates (306) are installed at two ends of the heat dissipation box body (301), the second extraction pipe (307) is installed at the bottom end of the connecting sleeve plates (306), and the liquid injection pipe (304) is fixedly installed on the upper end face of the heat dissipation box body (301), and air inlet pipes (305) are arranged on both sides of the liquid injection pipe (304).
4. The multifunctional intelligent oil-immersed transformer of claim 2, wherein: supporting mechanism (4) include support frame (401), spacing connection pad (402), support horizontal bar (403) and connecting block (404), spacing connection pad (402) are installed in the outside at support frame (401) middle part, the equal fixed mounting in both ends of support frame (401) has support horizontal bar (403), five connecting blocks (404) are evenly installed to the lower terminal surface that supports horizontal bar (403).
5. The multifunctional intelligent oil-immersed transformer of claim 2, wherein: the transformer connecting mechanism (5) comprises a sealing cover plate (501), a high-voltage bushing (502) and a low-voltage bushing (503), wherein the high-voltage bushing (502) is fixedly installed on the upper end face of the sealing cover plate (501), and the low-voltage bushing (503) is installed on one side of the high-voltage bushing (502).
6. The multifunctional intelligent oil-immersed transformer of claim 1, wherein: oil liquid pump (204) pass through the screw connection with sampling case (202) fixed, the one end and transformer housing (1) of oil liquid pump (204) are connected through first extraction tube (201), it is fixed through the joint with sampling case (202) to filter jar (205), the inboard of filtering jar (205) is provided with filter screen and oil detector.
7. The multifunctional intelligent oil-immersed transformer of claim 6, wherein: the oil product sampling device is characterized in that the junction box (206) and the sampling box (202) are fixedly connected through screws, the junction box (206) is electrically connected with the oil product detector, and the inner side of the junction box (206) is provided with a circuit main board and a wireless transmission module respectively.
8. The multifunctional intelligent oil-immersed transformer according to claim 3, characterized in that: the heat dissipation box body (301) is fixedly connected with the transformer shell (1) through screws, the two ends of the heat dissipation fin (302) penetrate through the two ends of the heat dissipation box body (301) and are fixedly welded, and the heat dissipation fin (302), the liquid injection pipe (304) and the connecting sleeve plate (306) are connected in a penetrating mode.
9. The multifunctional intelligent oil-immersed transformer according to claim 3, characterized in that: the one end of fluid storage tank (309) is connected through transfer line (308) with two of them connecting sleeve board (306), the bottom of annotating liquid pipe (304) is run through the up end of heat dissipation box (301) and is passed through the screw thread and be connected with fluid storage tank (309), fluid storage tank (309) is connected through annotating liquid pipe (304) with transformer housing (1).
10. The multifunctional intelligent oil-immersed transformer according to claim 4, wherein: spacing connection pad (402) and transformer housing (1) welded fastening, the inboard of spacing connection pad (402) is provided with spacing spout, the middle part of support frame (401) sets up the inboard at spacing spout, spacing connection pad (402) are fixed through screw connection with support frame (401), it is fixed through screw connection all to support four end angles of horizontal bar (403) and support frame (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110697134.3A CN113436845A (en) | 2021-06-23 | 2021-06-23 | Multifunctional intelligent oil-immersed transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110697134.3A CN113436845A (en) | 2021-06-23 | 2021-06-23 | Multifunctional intelligent oil-immersed transformer |
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| CN113436845A true CN113436845A (en) | 2021-09-24 |
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| CN202110697134.3A Pending CN113436845A (en) | 2021-06-23 | 2021-06-23 | Multifunctional intelligent oil-immersed transformer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113470941A (en) * | 2021-09-02 | 2021-10-01 | 江苏悦成变压器有限公司 | Multifunctional intelligent oil-immersed transformer |
| CN116153620A (en) * | 2023-04-04 | 2023-05-23 | 青州市长城电力变压器股份有限公司 | Oil immersed transformer oil tank and working method |
| CN118173364A (en) * | 2024-05-11 | 2024-06-11 | 山东迪米特电气有限公司 | Power transformer with good safety performance |
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| CN111681855A (en) * | 2020-06-18 | 2020-09-18 | 惠州市奇思创想科技有限公司 | Step-down transformer convenient to maintenance |
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| JP2007035895A (en) * | 2005-07-27 | 2007-02-08 | Mitsubishi Electric Corp | Apparatus for monitoring on-load tap changer |
| CN104569258A (en) * | 2014-12-24 | 2015-04-29 | 特变电工湖南智能电气有限公司 | Online monitoring method and device for gases in transformer oil |
| CN209708781U (en) * | 2019-06-18 | 2019-11-29 | 江西变电设备有限公司 | One kind having hydronic oil-immersed transformer |
| CN111106548A (en) * | 2020-01-17 | 2020-05-05 | 金建伟 | Portable power equipment base with heat dissipation function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113470941A (en) * | 2021-09-02 | 2021-10-01 | 江苏悦成变压器有限公司 | Multifunctional intelligent oil-immersed transformer |
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| CN118173364B (en) * | 2024-05-11 | 2024-07-19 | 山东迪米特电气有限公司 | Power transformer with good safety performance |
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Application publication date: 20210924 |
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