CN222867380U - An oil immersed transformer - Google Patents
An oil immersed transformer Download PDFInfo
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- CN222867380U CN222867380U CN202421788372.0U CN202421788372U CN222867380U CN 222867380 U CN222867380 U CN 222867380U CN 202421788372 U CN202421788372 U CN 202421788372U CN 222867380 U CN222867380 U CN 222867380U
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Abstract
本实用新型公开了一种油浸式变压器，包括油箱、风冷散热结构、冷却箱、水冷散热结构和制冷结构；油箱顶部一侧设有油枕，风冷散热结构设于油箱前后两端，冷却箱设于油箱另一侧，水冷散热结构设于冷却箱内部一侧，制冷结构设于冷却箱内部另一侧。本实用新型与现有的技术相比的优点在于：本实用新型不仅能通过散热风机一提高散热片一处的空气流通，使热空气快速逸散到防护壳外，还能利用油泵将油箱内的变压器油吸入降温盘管内，通过冷水腔内的冷却水对变压器油进行吸热冷却，冷却后的变压器油回到油箱内，通过不断循环，持续对变压器油进行冷却降温，从而达到便于散热的效果。
The utility model discloses an oil-immersed transformer, including an oil tank, an air-cooling heat dissipation structure, a cooling box, a water-cooling heat dissipation structure and a refrigeration structure; an oil pillow is arranged on one side of the top of the oil tank, the air-cooling heat dissipation structure is arranged at the front and rear ends of the oil tank, the cooling box is arranged on the other side of the oil tank, the water-cooling heat dissipation structure is arranged on one side inside the cooling box, and the refrigeration structure is arranged on the other side inside the cooling box. Compared with the existing technology, the utility model has the following advantages: the utility model can not only improve the air circulation of the heat sink through the heat dissipation fan, so that the hot air can quickly escape to the outside of the protective shell, but also use the oil pump to suck the transformer oil in the oil tank into the cooling coil, and the cooling water in the cold water cavity absorbs heat and cools the transformer oil, and the cooled transformer oil returns to the oil tank, and the transformer oil is continuously cooled and cooled through continuous circulation, so as to achieve the effect of facilitating heat dissipation.
Description
Technical Field
The utility model relates to the technical field of oil-immersed transformers, in particular to an oil-immersed transformer.
Background
The oil-immersed transformer is also called an oil-immersed transformer, and is a structural type of a transformer, namely, a coil of the transformer is soaked in oil, and the oil-immersed transformer is generally arranged in or out of an independent transformer room due to the fire prevention requirement, and has the characteristics of large volume, low cost, simple maintenance, good heat dissipation, strong overload capacity and wide adaptation environment.
Patent document with publication number CN221262077U discloses an oil immersed transformer, comprising an oil tank, a high-voltage insulating sleeve, a high-voltage outlet end, a low-voltage insulating sleeve, a low-voltage outlet end, a radiating fin, a conservator, a corrugated pipe, a supporting mechanism, a gas relay and a connecting pipe. According to the utility model, the knob is rotated to enable the screw rod to rotate, so that the support pipe in threaded connection with the screw rod horizontally moves, the moving pipe is driven to move, the first support plate is driven to incline through the rotary control piece, the corrugated pipe is supported, the impact force of oil falling from the oil conservator to the vertical part of the corrugated pipe is relieved, the condition that the corrugated pipe is connected loose due to frequent impact force is avoided, oil leakage is avoided, the gas relay is supported through the support, the threaded rod is driven to rotate in the support rod and the base through the rotation of the second support plate, the upward height adjusting effect is achieved, different gas relays are adapted and supported, the flexibility of the support seat for supporting the gas relay is improved, and the defect in the prior art is still overcome:
(1) The oil immersed transformer of the prior art has the advantages that the radiating mode is single, the radiating performance is poor, the oil immersed transformer can generate heat to form high temperature in the working process, the existing oil immersed transformer transfers heat to the side wall of the oil tank through the heat transfer to the radiating fins through the side wall of the oil tank, the heat exchange between the radiating fins and the outside air is carried out to radiate the transformer, but the radiating fins are only used for radiating the heat of the transformer, the radiating efficiency is low, and the transformer can cause irreversible influence on the service life in a long-time high-temperature environment.
(2) The transformer oil is overheated easily after the oil immersed transformer of prior art uses for a long time, but transformer oil is inside oil immersed transformer, just dispels the heat through outside fin, is difficult for dispelling the heat, can reduce its life, influences oil immersed transformer's normal work.
Disclosure of utility model
The technical problem to be solved by the utility model is to overcome the defects and provide the oil immersed transformer.
In order to solve the technical problems, the technical scheme provided by the utility model is that the oil immersed transformer comprises:
the oil tank is provided with a plurality of oil tanks, a conservator is arranged on one side of the top of the oil tank;
The air cooling heat dissipation structure is arranged at the front end and the rear end of the oil tank and comprises a protective shell fixedly arranged at the front end and the rear end of the oil tank, a plurality of first radiating fins are fixedly arranged on the outer walls of the front end and the rear end of the oil tank, the first radiating fins are arranged in the protective shell, a first through hole is formed in one side, far away from the oil tank, of the protective shell, a first radiating fan is fixedly arranged in the first through hole, and a first dust screen is fixedly arranged on one side, far away from the first radiating fins, of the inner wall of the first through hole;
The cooling box is arranged on the other side of the oil tank, a cold water cavity is formed in one side, close to the oil tank, of the cooling box, and a refrigerating cavity is formed in one side, far away from the oil tank, of the cooling box;
The water cooling structure is arranged on one side of the inside of the cooling box and comprises a cooling coil pipe arranged in the cold water cavity, two ends of the cooling coil pipe are respectively communicated with the upper part and the lower part of the inner cavity of the oil tank, an oil pump is arranged on the lower part of the cooling coil pipe, and a water level sensor is fixedly arranged on one side of the inner wall of the cold water cavity;
The cooling structure is arranged on the other side inside the cooling box and comprises a temperature guide block fixedly connected to the inner wall of the cooling cavity close to one side of the cold water cavity, a semiconductor cooling plate is fixedly connected to one side of the temperature guide block, the other side of the temperature guide block penetrates through the inside of the cold water cavity, a plurality of cooling plates II are fixedly connected to one side of the semiconductor cooling plate, a through hole II is formed in one side, far away from the oil tank, of the cooling box, a cooling fan II is fixedly installed in the through hole II, and a dust screen II is fixedly installed on one side, far away from the cooling plates II, of the inner wall of the through hole II.
Further, the oil conservator is fixedly connected with a connecting pipe, and the connecting pipe stretches into the oil tank.
Further, the rear end of the top of the cold water cavity is fixedly connected with a water inlet pipe, and a sealing cover is connected to the water inlet pipe in a threaded manner.
Further, the rear side of the top of the oil tank is provided with high-voltage wire outlets which are uniformly distributed, and the front side of the top of the oil tank is provided with low-voltage wire outlets which are uniformly distributed.
Compared with the prior art, the utility model has the advantages that:
(1) According to the utility model, through the arrangement of the air-cooling heat dissipation structure, the heat in the oil tank is dissipated in a short time after being absorbed by the heat dissipation fins, and the air circulation in the protective shell is increased after the heat dissipation fan is started, so that the hot air can be quickly dissipated out of the protective shell, the low-temperature constant-temperature state in the protective shell is maintained, and the heat dissipation effect is improved;
(2) According to the utility model, through the arrangement of the water cooling structure and the refrigeration structure, the oil pump is utilized to suck the transformer oil in the oil tank into the cooling coil, the cooling water in the cold water cavity is utilized to absorb heat to cool the transformer oil, the cooled transformer oil returns into the oil tank, the transformer oil is continuously cooled through continuous circulation, the temperature-guiding block can be continuously cooled through starting the semiconductor refrigeration piece, the cooling water in the cold water cavity is continuously cooled through the temperature-guiding block, then the heat of the hot surface of the semiconductor refrigeration piece is dissipated through the heat-dissipating piece, and meanwhile, the heat-dissipating fan II is adopted to cool, and the water in the cold water cavity can be continuously cooled, so that the effect of facilitating heat dissipation is achieved, and the heat dissipation efficiency of the transformer is improved.
Drawings
Fig. 1 is a perspective view of an oil-immersed transformer according to the present utility model.
Fig. 2 is a front view of an oil-immersed transformer according to the present utility model.
Fig. 3 is a front cross-sectional view of an oil-immersed transformer of the present utility model.
Fig. 4 is a side sectional view of an oil-immersed transformer of the present utility model.
Fig. 5 is an enlarged structural view of a portion a of fig. 3 of an oil-immersed transformer according to the present utility model.
The air-cooled type cooling device comprises a fuel tank 1, an air-cooled heat dissipation structure 2, a protective shell 21, a heat dissipation plate 22, a heat dissipation plate 23, a heat dissipation fan 24, a dust screen I, a cooling box 3, a cooling box 31, a cold water cavity 32, a refrigerating cavity 4, a water-cooled heat dissipation structure 41, a cooling coil pipe 42, an oil pump 43, a water level sensor 5, a refrigerating structure 51, a heat conducting block 52, a semiconductor refrigerating plate 53, a heat dissipation plate II, a heat dissipation plate 54, a heat dissipation fan II, a dust screen 6, an oil conservator 7, a high-voltage outlet end 8 and a low-voltage outlet end.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus consistent with some aspects of the disclosure as detailed in the accompanying claims.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, this embodiment provides an oil immersed transformer, including oil tank 1, oil tank 1 top one side is equipped with conservator 6, and conservator 6 fixedly connected with connecting pipe stretches into in the oil tank 1, and oil tank 1 top rear side is equipped with evenly distributed's high pressure line outlet 7, and oil tank 1's top front side is equipped with evenly distributed's low pressure line outlet 8, and wherein, oil tank 1 outside can install temperature sensor to oil tank 1 temperature real-time supervision.
The oil tank 1 front and back both ends are equipped with forced air cooling heat radiation structure 2, forced air cooling heat radiation structure 2 includes fixed mounting in the protecting crust 21 at oil tank 1 front and back both ends, equal fixed mounting has a plurality of fin one 22 on the outer wall at oil tank 1 front and back both ends, fin one 22 locates inside protecting crust 21, wherein, the setting of protecting crust 21 makes inside fin one 22 can not receive the collision, rainwater etc. cause the damage, avoid its heat dispersion to decline and lead to the transformer unable timely heat dissipation to cause its life-span to descend, the through-hole one has been seted up to one side that protecting crust 21 kept away from oil tank 1, fixed mounting has the fan one 23 in the through-hole one, one side that the fin one 22 was kept away from to the through-hole inner wall is fixed mounting has dust screen one 24, the fin one 22 gives off in the short time after the heat absorption in oil tank 1, the fan one 23 starts, increase the circulation of air in the protecting crust 21, make the hot air spill outside protecting crust 21, keep the low temperature constant temperature state in the protecting crust 21, the radiating effect has been improved.
The cooling tank 3 is arranged on the other side of the oil tank 1, the cooling water cavity 31 is formed in one side, close to the oil tank 1, of the cooling tank 3, the refrigerating cavity 32 is formed in one side, far away from the oil tank 1, of the cooling tank 3, the water inlet pipe is fixedly connected to the rear end of the top of the cooling water cavity 31, the sealing cover is connected to the water inlet pipe through threads, and water sources are conveniently supplemented to the cooling water cavity 31.
The inside one side of cooler bin 3 is equipped with water-cooling heat radiation structure 4, water-cooling heat radiation structure 4 is including locating the cooling coil 41 in the cold water cavity 31, cooling coil 41 both ends respectively with oil tank 1 inner chamber upper portion and lower part intercommunication, install oil pump 42 on the cooling coil 41 lower part, cold water cavity 31 inner wall one side fixed mounting has water level sensor 43, wherein, water level sensor 43 is used for monitoring the water level in the cold water cavity 31, water level sensor 43 mounted position can design as required, can be located the high within range of cooling coil 41, cooling coil 41 coils into the rectangle in cold water cavity 31, improve cooling coil 41 and cooling water's area of contact, improve the cooling effect.
The cooling structure 5 is arranged on the other side inside the cooling box 3, the cooling structure 5 comprises a heat conducting block 51 fixedly connected to the inner wall of the cooling cavity 32, which is close to one side of the cold water cavity 31, a semiconductor refrigerating sheet 52 is fixedly connected to one side of the heat conducting block 51, the other side of the heat conducting block 51 penetrates into the cold water cavity 31, a plurality of second radiating sheets 53 are fixedly connected to one side of the semiconductor refrigerating sheet 52, a second through hole is formed in one side, which is far away from the oil tank 1, of the cooling box 3, a second radiating fan 54 is fixedly arranged in the second through hole, a second dust screen 55 is fixedly arranged on one side, which is far away from the second radiating sheets 53, of the inner wall of the second through hole, and when the temperature of cooling water in the cold water cavity 31 rises during use, the heat conducting block 51 absorbs the heat of the cooling water in the cold water cavity 31 and then transfers the heat to the other side, the semiconductor refrigerating sheet 51 can be continuously cooled through the second radiating sheets 53, and the heat of the semiconductor refrigerating sheet 52 can be cooled through the heat surface of the second radiating sheets 53, and the second radiating fan 54 can be simultaneously cooled, so that the cooling effect of cooling the water in the cold water cavity 31 can be continuously cooled is achieved.
When the oil immersed transformer is used, when heat is generated in the working process of the oil immersed transformer to form high temperature, the first radiating fin 22 absorbs the heat in the oil tank 1 and then radiates the heat in a short time, the first radiating fan 23 is started, the air circulation in the protective shell 21 is increased, hot air is enabled to quickly escape out of the protective shell 21, the low-temperature constant-temperature state in the protective shell 21 is kept, the oil pump 42 can be started, transformer oil in the oil tank 1 is sucked into the cooling coil 41, the transformer oil is subjected to heat absorption and cooling through cooling water in the cold water cavity 31, the rectangular disc-shaped structure of the cooling coil 41 improves the contact area with the cooling water, the cooled transformer oil returns to the oil tank 1, the heat of the cooling water with the temperature increased in the cold water cavity 31 is absorbed and then transferred to the other side, the semiconductor refrigerating fin 52 is started, the heat conducting fin 51 is subjected to continuous cooling, then the heat of the semiconductor refrigerating fin 52 is subjected to heat dissipation through the second radiating fin 53, and the second radiating fan 54 is started at the same time, the water in the cold water cavity 31 is continuously cooled, the transformer oil is subjected to continuous cooling, the transformer oil is cooled, the transformer oil is cooled, and the heat efficiency is conveniently cooled, and the heat dissipation efficiency is improved.
The electrical components appearing in the device are all connected with an external main controller and 220V mains supply, the main controller can be conventional known equipment such as a computer which controls, the temperature sensor and the water level sensor are all existing products on the market, the connection mode and the control method are all the prior art, details of known functions and known components are omitted in the specific embodiments of the disclosure, and in order to ensure the compatibility of the equipment, the adopted operation means are consistent with the parameters of the instruments on the market.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An oil immersed transformer is characterized by comprising:
The oil tank (1), one side of the top of the oil tank (1) is provided with a conservator (6);
The air-cooled heat dissipation structure (2), both ends around oil tank (1) are located to air-cooled heat dissipation structure (2), air-cooled heat dissipation structure (2) are including fixed mounting in protective housing (21) at both ends around oil tank (1), all fixed mounting has a plurality of fin one (22) on the outer wall at both ends around oil tank (1), inside protective housing (21) were located to fin one (22), through-hole one has been seted up to one side that oil tank (1) was kept away from to protective housing (21), fixed mounting has cooling fan one (23) in the through-hole one, one side that fin one (22) was kept away from to through-hole one inner wall fixed mounting has dust screen one (24);
The cooling box (3), the cooling box (3) is arranged on the other side of the oil tank (1), one side, close to the oil tank (1), of the cooling box (3) is provided with a cold water cavity (31), and one side, far away from the oil tank (1), of the cooling box (3) is provided with a refrigerating cavity (32);
The water cooling structure (4) is arranged on one side of the inside of the cooling box (3), the water cooling structure (4) comprises a cooling coil (41) arranged in the cold water cavity (31), two ends of the cooling coil (41) are respectively communicated with the upper part and the lower part of the inner cavity of the oil tank (1), an oil pump (42) is arranged on the lower part of the cooling coil (41), and a water level sensor (43) is fixedly arranged on one side of the inner wall of the cold water cavity (31);
The cooling structure (5), inside opposite side of cooling tank (3) is located in cooling structure (5), cooling structure (5) are including fixed connection in cooling chamber (32) and are close to heat conduction piece (51) on the inner wall of cold water chamber (31) one side, one side fixedly connected with semiconductor refrigeration piece (52) of heat conduction piece (51), the opposite side of heat conduction piece (51) runs through to inside cold water chamber (31), semiconductor refrigeration piece (52) one side fixedly connected with fin two (53), through-hole two has been seted up to one side that tank (1) was kept away from in cooling tank (3), fixed mounting has radiator fan two (54) in the through-hole two, one side fixed mounting that fin two (53) were kept away from to through-hole two inner walls has dust screen two (55).
2. An oil immersed transformer according to claim 1, characterized in that the conservator (6) is fixedly connected with a connecting pipe which extends into the oil tank (1).
3. The oil-immersed transformer of claim 1, wherein a water inlet pipe is fixedly connected to the rear end of the top of the cold water cavity (31), and a sealing cover is connected to the water inlet pipe in a threaded manner.
4. The oil immersed transformer according to claim 1, wherein the rear side of the top of the oil tank (1) is provided with high-voltage outlet terminals (7) which are uniformly distributed, and the front side of the top of the oil tank (1) is provided with low-voltage outlet terminals (8) which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421788372.0U CN222867380U (en) | 2024-07-26 | 2024-07-26 | An oil immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421788372.0U CN222867380U (en) | 2024-07-26 | 2024-07-26 | An oil immersed transformer |
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| Publication Number | Publication Date |
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| CN222867380U true CN222867380U (en) | 2025-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202421788372.0U Active CN222867380U (en) | 2024-07-26 | 2024-07-26 | An oil immersed transformer |
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| CN (1) | CN222867380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120565246A (en) * | 2025-07-30 | 2025-08-29 | 沈阳天通电力设备有限公司 | A rapid cooling oil-immersed transformer |
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2024
- 2024-07-26 CN CN202421788372.0U patent/CN222867380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120565246A (en) * | 2025-07-30 | 2025-08-29 | 沈阳天通电力设备有限公司 | A rapid cooling oil-immersed transformer |
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