CN111370205A - Oil-immersed transformer structure - Google Patents
Oil-immersed transformer structure Download PDFInfo
- Publication number
- CN111370205A CN111370205A CN202010283326.5A CN202010283326A CN111370205A CN 111370205 A CN111370205 A CN 111370205A CN 202010283326 A CN202010283326 A CN 202010283326A CN 111370205 A CN111370205 A CN 111370205A
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- oil
- oil tank
- connector
- transformer
- tank
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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
- 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
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses an oil-immersed transformer structure which comprises a transformer base, a cooling fin, an oil tank, a cooling tube, a cooling fan, a connector, an oil conservator sealing mechanism, a cooling water tank and a water pump, wherein the oil tank is fixedly arranged on one side of the top of the transformer base; when the transformer oil is cooled, the transformer oil does not flow, and the problem of increase of impurities caused by circular flow of the transformer oil is solved.
Description
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to an oil-immersed transformer structure.
Background
The oil immersed transformer mainly comprises an iron core, a winding, an oil tank, an oil conservator, an insulating sleeve, a tap switch, a gas relay and the like, wherein the iron core and a winding are completely immersed in transformer oil, the transformer oil plays roles of insulation and cooling, and the oil conservator of the transformer is generally arranged above a transformer body and can supply oil continuously by virtue of dead weight. When the volume of the transformer oil expands or decreases along with the temperature of the oil, the oil conservator plays a role in adjusting the oil quantity and ensuring that the transformer oil tank is always filled with the oil.
The cooling of transformer oil directly influences oil-immersed transformer's job stabilization nature, and present oil-immersed transformer is when the cooling, generally sucks out through the transformer oil of oil pump in with the oil tank, at the off-box cooling, later in the injection oil tank, so circulation, along with the continuous motion impact oil pump of transformer oil and defeated oil pipe way, can cause the problem that metal impurity in the transformer oil constantly increases, influences oil-immersed transformer's use.
Disclosure of Invention
The present invention is directed to an oil-immersed transformer structure to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an oil-immersed transformer structure comprises a transformer base, a radiating fin, an oil tank, a radiating tube, a radiating fan, a connector, an oil conservator sealing mechanism, a cooling water tank and a water pump, wherein the oil tank is fixedly arranged on one side of the top of the transformer base, the radiating fin is arranged in the oil tank, a water channel is arranged in the radiating fin and is in a continuous S shape, the connector connected with the water channel is respectively arranged on two sides of the radiating fin, the connector is arranged on the oil tank, the radiating tube is connected onto the connector on one side, the radiating fan is fixedly arranged on one side face of the oil tank, the cooling water tank is fixedly arranged on the other side of the top of the transformer base, the water pump is arranged on one side of the cooling water tank and is fixedly connected with the transformer base through a bolt, and the water, the water outlet end of water pump is connected with the connector of opposite side through the pipeline, the bottom of cooling tube is connected with cooling water tank through the wet return, the top of oil tank is connected with the conservator through defeated oil pipe, conservator sealing mechanism is installed at the top of conservator, install the oil purifier on the defeated oil pipe, top one side of oil tank is provided with the overflow mouth, and installs manual valve on the overflow mouth.
Preferably, a survey surface of connector is provided with fin connecting thread, and fin connecting thread's one side is provided with the clamping ring with connector formula structure as an organic whole, the surperficial intermediate position of connector is provided with oil tank connecting thread, the opposite side surface of connector is provided with nut connecting thread, and nut connecting thread's outside cooperation is installed the nut.
Preferably, a cooling fin sealing ring is arranged between the cooling fin connecting thread and the pressing ring, an oil tank sealing ring is arranged on one side of the nut, and the cooling fin sealing ring and the oil tank sealing ring are sleeved on the connecting head.
Preferably, the oil conservator sealing mechanism is composed of a piston, a piston cylinder, a piston rod and a protective cover, the piston rod is arranged in the piston cylinder, the piston is arranged at the top of the piston rod, and the protective cover is fixed at the top of the piston cylinder through screws.
Preferably, cooling tube and cooling fan set up the inside at the metal covering, and the metal covering passes through screw and oil tank fixed connection, the cooling tube is continuous S-shaped structure.
Preferably, the installation position of the heat radiation fan corresponds to the setting position of the heat radiation pipe, and the heat radiation pipe is fixedly connected with the heat radiation fan through a connecting piece.
Compared with the prior art, the invention has the beneficial effects that:
(1) when the transformer oil is cooled, the transformer oil does not flow, the problem of impurity increase caused by the circulation flow of the transformer oil is avoided, the continuous S-shaped water channel can prolong the time of cooling water flowing through the radiating fins, the water channel is arranged in the radiating fins, and the cooling efficiency of the cooling water is improved by utilizing the characteristics of high heat conduction efficiency and large contact area with the transformer oil of the radiating fins.
(2) When transformer oil is heated and expands to cause the oil level to rise, the piston can be pushed to move upwards, so that the space is made for the transformer oil to expand, when the oil level descends due to the oil cooling contraction of the transformer, the piston can descend along with the oil level, so that the gap generated by the contraction is filled, and the oil conservator sealing mechanism can effectively prevent the problem that the transformer oil is oxidized due to the fact that the outside air brought by the ascending and descending of the oil level enters the oil tank.
(3) The inside water course and the outside water route intercommunication of fin are made things convenient for in the setting of connector, and the leakproofness between connector and fin, the oil tank can be guaranteed to fin sealing washer and the oil tank sealing washer of installing on the connector, avoids appearing the phenomenon of leaking, and fin sealing washer and oil tank sealing washer are resistant oily sealing washer.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view of the overall internal structure of the present invention;
FIG. 2 is a schematic view of a connecting head structure according to the present invention;
FIG. 3 is a schematic view of the internal structure of the conservator and the conservator sealing mechanism of the present invention;
FIG. 4 is a schematic view of a heat sink structure according to the present invention;
in the figure: 1. a transformer base; 2. a heat sink; 3. a water channel; 4. an oil tank; 5. a radiating pipe; 6. the nut is connected with the thread; 7. a heat radiation fan; 8. a metal cover; 9. a connector; 10. an oil tank sealing ring; 11. an oil purifier; 12. an oil conservator; 13. a conservator sealing mechanism; 14. an oil delivery pipe; 15. a water return pipe; 16. a cooling water tank; 17. a water pump; 18. a nut; 19. a piston; 20. a piston cylinder; 21. a piston rod; 22. a protective cover; 23. the radiating fins are connected with threads; 24. a radiating fin sealing ring; 25. pressing a ring; 26. the oil tank is connected with threads; 27. and (4) a manual valve.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, the present invention provides a technical solution: an oil-immersed transformer structure comprises a transformer base 1, a radiating fin 2, an oil tank 4, a radiating pipe 5, a radiating fan 7, a connector 9, an oil conservator 12, an oil conservator sealing mechanism 13, a cooling water tank 16 and a water pump 17, wherein the oil tank 4 is fixedly arranged on one side of the top of the transformer base 1, the radiating fin 2 is arranged inside the oil tank 4, a water channel 3 is arranged inside the radiating fin 2, the water channel 3 is in a continuous S shape, the connector 9 connected with the water channel 3 is respectively arranged on two sides of the radiating fin 2, the connector 9 is arranged on the oil tank 4, the radiating pipe 5 is connected on the connector 9 on one side, the radiating fan 7 is fixedly arranged on one side of the oil tank 4, the cooling water tank 16 is fixedly arranged on the other side of the top of the transformer base 1, the water pump 17 is fixedly connected with the transformer base 1 through bolts, and the water inlet end, the water outlet end of the water pump 17 is connected with the connector 9 on the other side through a pipeline, the bottom of the radiating pipe 5 is connected with the cooling water tank 16 through the water return pipe 15, the top of the oil tank 4 is connected with the oil conservator 12 through the oil conveying pipe 14, the oil conservator sealing mechanism 13 is installed at the top of the oil conservator 12, the oil purifier 11 is installed on the oil conveying pipe 14, the overflow port is formed in one side of the top of the oil tank 4, and the manual valve 27 is installed on the overflow port.
In this embodiment, preferably, a cooling fin connecting thread 23 is disposed on one side surface of the connector 9, a pressing ring 25 integrated with the connector 9 is disposed on one side of the cooling fin connecting thread 23, an oil tank connecting thread 26 is disposed in the middle of the surface of the connector 9, a nut connecting thread 6 is disposed on the other side surface of the connector 9, and a nut 18 is disposed outside the nut connecting thread 6 in a matching manner.
In this embodiment, preferably, a heat sink sealing ring 24 is disposed between the heat sink connecting thread 23 and the pressing ring 25, an oil tank sealing ring 10 is disposed on one side of the nut 18, and both the heat sink sealing ring 24 and the oil tank sealing ring 10 are sleeved on the connector 9.
In this embodiment, preferably, the conservator sealing mechanism 13 is composed of a piston 19, a piston cylinder 20, a piston rod 21 and a protective cover 22, the piston rod 21 is arranged inside the piston cylinder 20, the piston 19 is installed on the top of the piston rod 21, and the protective cover 22 is fixed on the top of the piston cylinder 20 through screws.
In this embodiment, preferably, the heat dissipation pipe 5 and the heat dissipation fan 7 are disposed inside the metal cover 8, the metal cover 8 is fixedly connected to the oil tank 4 through screws, and the heat dissipation pipe 5 is a continuous S-shaped structure.
In this embodiment, preferably, the installation position of the heat dissipation fan 7 corresponds to the installation position of the heat dissipation pipe 5, and the heat dissipation pipe 5 is fixedly connected to the heat dissipation fan 7 through a connector.
The working principle and the using process of the invention are as follows: before adding the transformer oil, firstly detaching the conservator sealing mechanism 13, adding the transformer oil into the oil tank 4 through the conservator 12, when the transformer oil flows out from the overflow port, closing the manual valve 27, then continuously adding the transformer oil into the conservator 12, stopping oiling after the conservator 12 is filled with the transformer oil, remounting the conservator sealing mechanism 13 on the conservator 12, when the equipment is in operation, the water pump 17 conveys the cooling water in the cooling water tank 16 to the water channel 3 in the radiating fin 2, along with the flowing of the cooling water, the heat on the radiating fin 2 can be taken away, further cooling the transformer oil, the cooling water flowing out of the radiating fin 2 can enter the radiating tube 5, the radiating fan 7 cools the radiating tube 5, the cooling water can be cooled, the cooling water flowing through the radiating tube 5 returns to the cooling water tank 16 through the water return tube 15, when the transformer oil is heated and expanded to cause the rise of the oil level, will push against the piston 19 to move upwards, thus let out the space and let the transformer oil swell, when the oil level of the transformer oil is reduced because of the oil cooling contraction, the piston 19 will be reduced along with the oil level, thus will shrink the gap that produces to fill up, the conservator sealing mechanism 13 can prevent the problem that the transformer oil will be oxidized that the outside air enters the oil tank 4 that brings about that the oil level will rise and fall effectively, the invention is while cooling the transformer oil, the transformer oil will not flow, will not appear because the transformer oil circulates the problem that the impurity that causes will increase, the consecutive S-shaped water channel 3 can lengthen the time that the cooling water flows through the air-cooling fin 2, set up the water channel 3 in the air-cooling fin 2, utilize the high heat conduction efficiency that the air-cooling fin 2 has and the large contact area with the transformer oil, help to increase the cooling efficiency of the cooling water, the setting up of the air-cooling fin 2, the sealing performance between the connector 9 and the cooling fins 2 and between the connector 9 and the oil tank 4 can be guaranteed by the cooling fin sealing ring 24 and the oil tank sealing ring 10 which are installed on the connector 9, the water leakage phenomenon is avoided, the cooling fin sealing ring 24 and the oil tank sealing ring 10 are oil-resistant sealing rings, the transformer oil can be filtered once through the oil purifier 11, and impurities in the transformer oil can be removed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an oil-immersed transformer structure, includes transformer base (1), fin (2), oil tank (4), cooling tube (5), cooling blower (7), connector (9), conservator (12), conservator sealing mechanism (13), coolant tank (16) and water pump (17), its characterized in that: the transformer base is characterized in that an oil tank (4) is fixedly arranged on one side of the top of the transformer base (1), the radiating fins (2) are arranged inside the oil tank (4), a water channel (3) is arranged inside the radiating fins (2), the water channel (3) is in a continuous S shape, two connectors (9) connected with the water channel (3) are respectively arranged on two sides of each radiating fin (2), the connectors (9) are arranged on the oil tank (4), a radiating pipe (5) is connected onto the connectors (9) on one side, a radiating fan (7) is fixedly arranged on one side face of the oil tank (4), a cooling water tank (16) is fixedly arranged on the other side of the top of the transformer base (1), a water pump (17) is arranged on one side of the cooling water tank (16), the water pump (17) is fixedly connected with the transformer base (1) through bolts, and the water inlet end of the water pump (17) is connected, the water outlet end of water pump (17) is connected with connector (9) of opposite side through the pipeline, the bottom of cooling tube (5) is connected with cooling water tank (16) through wet return (15), the top of oil tank (4) is connected with conservator (12) through defeated oil pipe (14), conservator sealing mechanism (13) are installed at the top of conservator (12), install oil purifier (11) on defeated oil pipe (14), top one side of oil tank (4) is provided with the overflow mouth, and installs manual valve (27) on the overflow mouth.
2. An oil filled transformer structure according to claim 1, characterized in that: the measuring surface of the connector (9) is provided with a cooling fin connecting thread (23), one side of the cooling fin connecting thread (23) is provided with a pressing ring (25) which is of an integrated structure with the connector (9), the surface middle position of the connector (9) is provided with an oil tank connecting thread (26), the other side surface of the connector (9) is provided with a nut connecting thread (6), and a nut (18) is installed in the external matching of the nut connecting thread (6).
3. An oil filled transformer structure according to claim 2, characterized in that: be provided with fin sealing washer (24) between fin connecting thread (23) and clamping ring (25), one side of nut (18) is provided with oil tank sealing washer (10), and all suit on connector (9) are all gone up in fin sealing washer (24) and oil tank sealing washer (10).
4. An oil filled transformer structure according to claim 1, characterized in that: the oil conservator sealing mechanism (13) is composed of a piston (19), a piston cylinder (20), a piston rod (21) and a protective cover (22), the piston rod (21) is arranged inside the piston cylinder (20), the piston (19) is installed at the top of the piston rod (21), and the protective cover (22) is fixed to the top of the piston cylinder (20) through screws.
5. An oil filled transformer structure according to claim 1, characterized in that: the radiating pipe (5) and the radiating fan (7) are arranged inside the metal cover (8), the metal cover (8) is fixedly connected with the oil tank (4) through screws, and the radiating pipe (5) is of a continuous S-shaped structure.
6. An oil filled transformer structure according to claim 1, characterized in that: the mounting position of the heat dissipation fan (7) corresponds to the setting position of the heat dissipation pipe (5), and the heat dissipation pipe (5) is fixedly connected with the heat dissipation fan (7) through a connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010283326.5A CN111370205A (en) | 2020-04-10 | 2020-04-10 | Oil-immersed transformer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010283326.5A CN111370205A (en) | 2020-04-10 | 2020-04-10 | Oil-immersed transformer structure |
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| Publication Number | Publication Date |
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| CN111370205A true CN111370205A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010283326.5A Pending CN111370205A (en) | 2020-04-10 | 2020-04-10 | Oil-immersed transformer structure |
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| CN (1) | CN111370205A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530671A (en) * | 2020-11-19 | 2021-03-19 | 浙江龙呈电力设备有限公司 | Oil-immersed transformer |
| CN112562978A (en) * | 2020-11-30 | 2021-03-26 | 广东电网有限责任公司 | Oil-immersed transformer cooling device |
| CN113284711A (en) * | 2021-06-09 | 2021-08-20 | 江苏龙创电气有限公司 | Distribution transformer |
| CN114050032A (en) * | 2021-11-11 | 2022-02-15 | 国网河南省电力公司商丘供电公司 | Isolation transformer based on power network safety system |
| CN115620999A (en) * | 2022-11-07 | 2023-01-17 | 江苏临海电气有限公司 | Oil-saving oil-immersed transformer and use method thereof |
| CN117239590A (en) * | 2023-08-31 | 2023-12-15 | 广东科源电气股份有限公司 | Built-in box transformer of fan tower section of thick bamboo |
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| CN207425552U (en) * | 2017-10-23 | 2018-05-29 | 万家通用智能电气有限公司 | A kind of oil-immersed transformer structure |
| CN209980928U (en) * | 2019-05-27 | 2020-01-21 | 大唐山西发电有限公司太原第二热电厂 | Safe radiating transformer |
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| CN201636482U (en) * | 2010-01-12 | 2010-11-17 | 宁波通顺模塑有限公司 | Energy-saving universal banding direct-plug type plastic pipe connector |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530671A (en) * | 2020-11-19 | 2021-03-19 | 浙江龙呈电力设备有限公司 | Oil-immersed transformer |
| CN112562978A (en) * | 2020-11-30 | 2021-03-26 | 广东电网有限责任公司 | Oil-immersed transformer cooling device |
| CN113284711A (en) * | 2021-06-09 | 2021-08-20 | 江苏龙创电气有限公司 | Distribution transformer |
| CN113284711B (en) * | 2021-06-09 | 2021-10-15 | 江苏龙创电气有限公司 | Distribution transformer |
| CN114050032A (en) * | 2021-11-11 | 2022-02-15 | 国网河南省电力公司商丘供电公司 | Isolation transformer based on power network safety system |
| CN114050032B (en) * | 2021-11-11 | 2023-09-19 | 国网河南省电力公司商丘供电公司 | Isolation transformer based on power network safety system |
| CN115620999A (en) * | 2022-11-07 | 2023-01-17 | 江苏临海电气有限公司 | Oil-saving oil-immersed transformer and use method thereof |
| CN115620999B (en) * | 2022-11-07 | 2023-06-20 | 江苏临海电气有限公司 | Oil-saving oil-immersed transformer and application method thereof |
| CN117239590A (en) * | 2023-08-31 | 2023-12-15 | 广东科源电气股份有限公司 | Built-in box transformer of fan tower section of thick bamboo |
| CN117239590B (en) * | 2023-08-31 | 2024-04-05 | 广东科源电气股份有限公司 | Built-in box transformer of fan tower section of thick bamboo |
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Application publication date: 20200703 |
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