An anti-interference type transformer with a cooling structure

Abstract

The present invention provides an anti-interference transformer with a cooling structure, which belongs to the technical field of transformers, and includes a transformer body, the transformer body is connected with a reinforcement component, the reinforcement component includes a transition box, one end of the transition box is provided with a heat dissipation tube, the lower end of the reinforcement component is provided with a reflux component, the reflux component includes a reflux box and a drain pipe, the transformer body is connected with a filter, the reinforcement component also includes an extension tube, a top rod and a sealing baffle, the extension tube is provided with a telescopic spring, and also includes: a cooling component; a swing component and a positioning component. The invention has the following beneficial effects: in the process of ensuring the flow and cooling of insulating oil, impurities can be removed and precipitated to reduce damage to the transformer, and the fan can be triggered to rotate as the temperature rises to improve the heat dissipation efficiency, and dust can be cleaned to reduce the accumulation of electric charge in the dust, effectively reducing electromagnetic interference and corona discharge, thereby improving the anti-interference effect of the transformer body.

Description

Technical Field

[0001] The present invention relates to the technical field of transformers, and in particular to an anti-interference type transformer with a temperature reduction structure. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Transformers can be divided into distribution transformers, power transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, reactors and anti-interference transformers according to their uses.

[0003] The anti-interference transformer is specially designed in structure and material to improve its resistance to interference. However, in subsequent use, the high temperature environment will cause the oil temperature inside the transformer to be too high and expand, thereby reducing the heat dissipation efficiency. Therefore, a heat dissipation structure is usually arranged outside the transformer to dissipate heat to ensure stable operation of the transformer. However, heat dissipation methods such as heat dissipation by cooling fins, fans, and sprays do not change the movement path of the oil, and the heat dissipation space of the oil is still limited. In addition, in daily operation, the intense impact movement of voltage and current in the transformer will produce impurities, and the presence of these impurities reduces the performance of the transformer oil and affects the operation of the transformer. After long-term use, a large amount of dust will adhere to the fins on the surface of the transformer. When it cannot be effectively cleaned, it will not only affect the overall cooling effect of the transformer, but also may cause charge accumulation problems, thereby causing corona discharge and increasing electromagnetic interference. How to invent an anti-interference transformer with a cooling structure to solve these problems has become a problem that needs to be urgently solved by technicians in this field. Summary of the invention

[0004] In order to make up for the above shortcomings, the present invention provides an anti-interference type transformer with a cooling structure, aiming to solve the problem that traditional heat dissipation methods may cause transformer failure, and the presence of impurities and dust reduces the performance of transformer oil, causes corona discharge, and increases electromagnetic interference.

[0005] The present invention is achieved in that:

[0006] The present invention provides an anti-interference transformer with a cooling structure, comprising a transformer body, the transformer body is connected with a reinforcement component, the reinforcement component comprises a transition box, one end of the transition box is provided with a heat dissipation cylinder, the lower end of the reinforcement component is provided with a reflux component, the reflux component comprises a reflux box and a drain pipe, the transformer body is connected with a filter, the reinforcement component further comprises an extension cylinder, a top rod and a sealing baffle, a telescopic spring is provided inside the extension cylinder, and further comprises:

[0007] A cooling assembly, the cooling assembly is located on one side of the transition box, and the cooling assembly can cool and purify the insulating oil expanded and discharged from the transformer body;

[0008] A swing assembly, wherein the swing assembly is fixedly connected to the transformer body, and the swing assembly can improve the heat dissipation effect and reduce dust accumulation and electromagnetic interference;

[0009] A positioning component is located on one side of the transformer body, and the positioning component can detect the expansion capacity of the coolant inside the cooling component.

[0010] Preferably, the swing assembly includes a side plate, which is fixedly connected to the transformer body, an oil drain pipe is fixedly connected to the upper end of the side plate, a return pipe is fixedly connected to the lower end of the side plate, a plurality of evenly distributed heat sinks are fixedly connected to the middle side wall of the side plate, and the transformer body is fixedly connected to the filter.

[0011] Preferably, the swing assembly also includes a fixed rod and a flexible belt, and there are several fixed rods and flexible belts. One end of the flexible belt is sleeved on the outer wall of the fixed rod, one end of the fixed rod is spherical, and the other end of the fixed rod is cylindrical. The fixed rod is fixedly connected to the side plate, and several fixed rods are respectively located between two adjacent heat sinks.

[0012] Preferably, the positioning assembly includes an expansion pot, a fan and a liquid level sensor, one end of the expansion pot is fixedly connected to the side plate, the upper inner wall of the expansion pot is fixedly connected to the liquid level sensor, and the lower side wall of the expansion pot is fixedly connected to the fan.

[0013] Preferably, one side of the transition box is fixedly connected with an oil flow docking flange, and the oil flow docking flange is sealingly connected to the oil drain pipe, the lower end of the transition box is fixedly connected to the heat dissipation tube, the other end of the heat dissipation tube is fixedly connected to the reflux box, one side of the reflux box is fixedly connected with a reflux docking flange, the reflux docking flange is sealingly connected to the reflux pipe, and the reflux box is fixedly connected to one end of the drain pipe.

[0014] Preferably, a limiting groove is provided inside the transition box, and one end of the transition box away from the transformer body is fixedly connected to the extension tube. A telescopic spring is provided inside the extension tube, and both ends of the telescopic spring are respectively fixedly connected to the inner wall of the extension tube and one end of the push rod, and the other end of the push rod is fixedly connected to the sealing baffle, and the sealing baffle has an interference fit with the limiting groove, and the push rod slides with the inner wall of the extension tube in a limited manner.

[0015] Preferably, the cooling assembly includes a cooling box and a purification box, the cooling box is fixedly sleeved on the outer wall of the purification box, one side wall of the cooling box is fixedly connected to the expansion pot through a connecting pipe, the upper end of the purification box is fixedly connected to the transition box, and the lower end of the purification box is fixedly connected to one end of the drain pipe away from the reflux box.

[0016] Preferably, inclined plates are fixedly connected to both sides of the inner wall of the upper end of the purification box, and a bearing plate is fixedly connected to the inner wall of the purification box. The bearing plate is arranged in an "L" shape, and an angle is formed between the bearing plate and the horizontal plane.

[0017] Preferably, a sinking groove is provided on the side wall of the supporting plate, a plurality of blocking bars arranged in a linear array are fixedly connected to the inner wall of the sinking groove, a filtering hole is provided on the side wall at the other end of the supporting plate, and limiting sliding grooves are provided on both sides of the filtering hole.

[0018] Preferably, the limiting slide groove is slidably connected to a counterweight slider, one end of the counterweight slider is fixedly connected to a cleaning plate, and the outer wall of the cleaning plate is fixedly connected to a floating column.

[0019] The beneficial effects of the present invention are:

[0020] After the transformer body is heated up, the expanded insulating oil will enter the transition box and dissipate heat through the heat dissipation tube, and part of the liquid will enter the purification box for cooling. At the same time, impurities are removed and precipitated during the cooling flow to ensure the purity and stability of the insulating oil and reduce damage to the transformer body and the occurrence of faults. The floating column can adaptively change with the height of the liquid level to ensure the filtering effect of impurities. In addition, during the cooling process of the purification box, the fan can be triggered to rotate as the temperature rises to shorten the cooling time of the oil and improve the heat dissipation efficiency. At the same time, the flexible belt can be driven to clean the dust on the surface of the heat sink to improve the heat dissipation effect of the heat sink itself. At the same time, it can reduce the accumulation of charge in the dust, effectively reduce electromagnetic interference and corona discharge, and cooperate with the filter to improve the anti-interference effect of the transformer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall explosion structure of an anti-interference type transformer with a cooling structure provided by an embodiment of the present invention;

[0023] Figure 2 It is a schematic diagram of the overall structure of an anti-interference type transformer with a cooling structure provided by an embodiment of the present invention;

[0024] Figure 3 It is a schematic diagram of the structure of an anti-interference type transformer positioning component and a swing component with a cooling structure provided by an embodiment of the present invention;

[0025] Figure 4 It is a schematic diagram of the internal structure of an anti-interference type transformer positioning component with a cooling structure provided by an embodiment of the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of an anti-interference transformer cooling assembly and a strengthening assembly with a temperature reduction structure provided by an embodiment of the present invention;

[0027] Figure 6 It is a schematic diagram of a half-section structure of an anti-interference type transformer cooling assembly and a reinforcement assembly with a temperature reduction structure provided by an embodiment of the present invention;

[0028] Figure 7 It is a schematic diagram of the internal structure of an anti-interference transformer transition box with a cooling structure provided by an embodiment of the present invention;

[0029] Figure 8 It is a schematic diagram of a half-section structure of an anti-interference type transformer bearing plate with a cooling structure provided by an embodiment of the present invention;

[0030] Fig. 9 It is a partial structural cross-sectional view of an anti-interference type transformer bearing plate with a cooling structure provided by an embodiment of the present invention;

[0031] Fig.10 It is a schematic diagram of the structure of an anti-interference transformer floating column with a cooling structure provided in an embodiment of the present invention.

[0032] In the figure: 1. transformer body; 2. reinforcement component; 21. transition box; 22. extension tube; 23. oil flow docking flange; 24. heat dissipation tube; 25. return pipe; 26. return docking flange; 27. top rod; 28. sealing baffle; 29. ​​limit groove; 210. telescopic spring; 3. cooling component; 31. cooling box; 32. purification box; 33. bearing plate; 331. limit slide groove; 34. inclined plate; 35. sinking trough; 36. blocking bar; 37. floating column; 38. filter hole; 39. cleaning plate; 391. counterweight slider; 4. return component; 41. return box; 42. drain pipe; 5. swing component; 51. side plate; 52. oil drain pipe; 53. fixing rod; 54. flexible belt; 55. heat sink; 6. filter; 7. positioning component; 71. expansion pot; 72. fan; 73. liquid level sensor. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Example, see Figure 1-Figure 10 , an anti-interference transformer with a cooling structure, including a transformer body 1, the transformer body 1 is connected with a reinforcement component 2, the reinforcement component 2 includes a transition box 21, one end of the transition box 21 is provided with a heat dissipation tube 24, the lower end of the reinforcement component 2 is provided with a reflux component 4, the reflux component 4 includes a reflux box 41 and a drain pipe 42, the transformer body 1 is connected with a filter 6, the reinforcement component 2 also includes an extension tube 22, a top rod 27 and a sealing baffle 28, the extension tube 22 is provided with a telescopic spring 210, and also includes:

[0035] A cooling assembly 3, which is located at one side of the transition box 21, and can cool and purify the insulating oil expanded and discharged from the transformer body 1;

[0036] A swing assembly 5, the swing assembly 5 is fixedly connected to the transformer body 1, and the swing assembly 5 can improve the heat dissipation effect and reduce dust accumulation and electromagnetic interference;

[0037] The positioning component 7 is located at one side of the transformer body 1 , and the positioning component 7 can detect the expansion capacity of the coolant inside the cooling component 3 .

[0038] Furthermore, one side of the transition box 21 is fixedly connected with an oil flow docking flange 23, which is sealed with the oil drain pipe 52, the lower end of the transition box 21 is fixedly connected with the heat dissipation tube 24, the other end of the heat dissipation tube 24 is fixedly connected with the return box 41, and one side of the return box 41 is fixedly connected with a reflux docking flange 26, which is sealed with the reflux pipe 25, and the reflux box 41 is fixedly connected with one end of the drain pipe 42; a limiting groove 29 is provided inside the transition box 21, and the end of the transition box 21 away from the transformer body 1 is fixedly connected to the extension tube 22, and a telescopic spring 210 is provided inside the extension tube 22, and the two ends of the telescopic spring 210 are respectively fixedly connected to the inner wall of the extension tube 22 and one end of the push rod 27, and the other end of the push rod 27 is fixedly connected to the sealing baffle 28, the sealing baffle 28 is interference fit with the limiting groove 29, and the push rod 27 is limited and slidable with the inner wall of the extension tube 22; the cooling assembly 3 includes a cooling box 31 and a purification box 32, The cooling box 31 is fixedly sleeved on the outer wall of the purification box 32, and the side wall of one side of the cooling box 31 is fixedly connected to the expansion pot 71 through a connecting pipe. The upper end of the purification box 32 is fixedly connected to the transition box 21, and the lower end of the purification box 32 is fixedly connected to the end of the drain pipe 42 away from the reflux box 41; the upper inner wall of the purification box 32 is fixedly connected with an inclined plate 34 on both sides, and the inner wall of the purification box 32 is fixedly connected with a bearing plate 33, and the bearing plate 33 is arranged in an "L" shape, and the bearing plate 33 is fixedly connected to the horizontal plane. There is an angle between them; a sinking groove 35 is provided on the side wall of the supporting plate 33, and a plurality of blocking bars 36 arranged in a linear array are fixedly connected to the inner wall of the sinking groove 35; a filtering hole 38 is provided on the side wall at the other end of the supporting plate 33, and a limiting sliding groove 331 is provided on both sides of the filtering hole 38 of the supporting plate 33; the limiting sliding groove 331 is slidably connected to a counterweight slider 391, and one end of the counterweight slider 391 is fixedly connected to a cleaning plate 39, and the outer wall of the cleaning plate 39 is fixedly connected to a floating column 37.

[0039] It should be noted that: under normal circumstances, the transformer body 1 performs heat dissipation through its own heat sink 55. When the temperature inside the transformer body 1 increases with the increase of the coil load, the current will generate heat through the resistor, thereby gradually increasing the temperature of the insulating oil. At the same time, the insulating oil inside the transformer body 1 will expand due to the heat. At this moment, the expanded liquid will flow to the inside of the transition box 21 through the oil drain pipe 52. At this time, since the amount of oil is not large, the liquid at this moment can enter the inside of the heat dissipation tube 24 through the through hole. The heat dissipation tube 24 is made of metal materials such as copper tubes or aluminum tubes with good heat dissipation effect. In the process of high-temperature liquid falling along the heat dissipation tube 24, due to the height difference and the material of the heat dissipation tube 24, the heat dissipation efficiency of the liquid can be effectively improved. Finally, the cooled liquid is transported to the inside of the reflux box 41, which can further improve the heat dissipation effect of the transformer body 1.

[0040] When the temperature inside the transformer body 1 continues to rise, more expanded oil will enter the transition box 21. At this moment, the heat dissipation tube 24 itself cannot quickly discharge and cool the liquid. At this time, the oil pressure will push the sealing baffle 28 to move to the side of the extension tube 22, and the top rod 27 will compress the telescopic spring 210. During the movement, the sealing baffle 28 opens the gap between the transition box 21 and the purification box 32, so that part of the liquid flows downward through the heat dissipation tube 24, and the other part of the liquid enters the inside of the purification box 32 through the gap, and the inclined plate 34 guides the liquid to fall in a concentrated manner, so as to ensure that the liquid can flow better along the bearing plate 33 after falling, reduce the impact on the surface of the bearing plate 33, and improve the smoothness of the liquid circulation. The inclined bearing plate 33 can block the liquid and effectively slow down the circulation speed of the liquid in the purification box 32, so as to prevent the liquid from falling directly into the inside of the reflux box 41, so as to increase the cooling time and improve the cooling effect.

[0041] During the flow of liquid on the surface of the carrier plate 33, it will first impact the end of the carrier plate 33 with the filter hole 38, thereby filtering some impurities in the liquid and removing bubbles in the liquid to ensure the purity and stability of the insulating oil, reduce damage to the transformer body 1, and increase the service life. In addition, the floating column 37 can be made of a hollow plastic material, or a material with a density less than that of the insulating oil, so that after the liquid level on the carrier plate 33 rises, the floating column 37 can drive the cleaning plate 39 to float accordingly, thereby cleaning the impurities attached to one side of the filter hole 38. At the same time, the cleaning plate 39 is limited by the mutual sliding of the counterweight slider 391 and the limiting slide groove 331 to prevent the cleaning plate 39 from falling off and affecting the cleaning effect. At the same time, due to the impact of the liquid on the carrier plate 33, a The impurities scraped off by the cleaning plate 39 will be washed and diffused by these impact forces. Some of them may re-attach to one side of the filter hole 38 and wait for the next cleaning, while the other part will fall into the sinking tank 35 for storage as the liquid flows and its own sedimentation. The "L"-shaped setting of the blocking bar 36 can prevent the settled impurities from being flushed out again during the next liquid flow, so as to reduce the attachment of impurities on one side of the filter hole 38 and improve the filtering effect. In addition, in this process, the coolant in the cooling box 31 can cool the high-temperature liquid in the purification box 32, and finally discharge the purified and cooled liquid into the reflux box 41, and finally transport it to the inside of the transformer body 1 through the reflux pipe 25 for utilization, so as to improve the performance of the transformer body 1.

[0042] Reference Figure 2-Figure 4, further; the swing assembly 5 includes a side plate 51, the side plate 51 is fixedly connected to the transformer body 1, the upper end of the side plate 51 is fixedly connected to the oil drain pipe 52, the lower end of the side plate 51 is fixedly connected to the return pipe 25, the middle side wall of the side plate 51 is fixedly connected to a number of evenly distributed heat sinks 55, the transformer body 1 is fixedly connected to the filter 6; the swing assembly 5 also includes a fixed rod 53 and a flexible belt 54, the fixed rod 53 and the flexible belt 54 are provided with a number of, one end of the flexible belt 54 is sleeved on the fixed On the outer wall of the rod 53, one end of the fixed rod 53 is spherical, and the other end of the fixed rod 53 is cylindrical. The fixed rod 53 is fixedly connected to the side plate 51, and several fixed rods 53 are respectively located between two adjacent heat sinks 55; the positioning component 7 includes an expansion pot 71, a fan 72 and a liquid level sensor 73, one end of the expansion pot 71 is fixedly connected to the side plate 51, the upper inner wall of the expansion pot 71 is fixedly connected to the liquid level sensor 73, and the lower side wall of the expansion pot 71 is fixedly connected to the fan 72.

[0043] It should be noted that: during the cooling process of the expanded high-temperature insulating oil in the cooling box 31, the coolant inside the cooling box 31 will also expand due to the high temperature, and the expanded coolant will enter the expansion pot 71, and the height of the expansion pot 71 is higher than the height of the cooling box 31. Therefore, when the coolant cools down and shrinks, the liquid inside the expansion pot 71 will flow back into the cooling box 31. However, when the liquid inside the expansion pot 71 touches the liquid level sensor 73, it means that the coolant can no longer continue to absorb heat and cool. The liquid level sensor 73 is electrically connected to the fan 72, so when the liquid level sensor 73 is touched by the fan 72, the coolant can no longer absorb heat and cool. After the sensor 73 detects that the liquid has risen to a certain position, it will send a signal to start the fan 72 to rotate (the liquid level sensor 73 sending a signal to start the fan 72 is a prior art and will not be described in detail here). At this time, the fan 72 can not only dissipate heat to the heat sink 24 and the cooling box 31, but also drive the airflow around the heat sink 55 to improve the heat dissipation effect of the heat sink 55. The lower ends of the multiple heat sinks 55 are flush, while the upper ends of the heat sink 55 are lower in the middle and gradually increase toward both sides. The advantage of this is that the wind force generated by the fan 72 can be effectively blown evenly to the two adjacent heat sinks 55, and during the blowing process, the flexible belt 54 can be driven to swing, and the material and quality of the flexible belt 54 will also affect its swing amplitude. The light and soft flexible belt 54 has a larger swing amplitude at the same wind speed, while the heavy or hard flexible belt 54 has a smaller swing amplitude. The width and thickness of the flexible belt 54 will also affect its wind receiving area and resistance, thereby affecting the swing amplitude. Therefore, a suitable material can be selected as the flexible belt 54 according to the spacing between adjacent heat sinks 55 to ensure that the flexible belt 54 can fully scrape and beat the surface of the heat sink 55 during the swinging process, so as to make the surface of the heat sink 55 The dust attached to the surface is cleaned and blown away by wind, which can reduce the accumulation of dust on the surface of the heat sink 55 and improve the heat dissipation effect, while reducing the accumulation of charge, avoiding corona discharge, and effectively reducing electromagnetic interference, thereby cooperating with the filter 6 to improve the anti-interference effect of the transformer body 1; when the coolant shrinks after cooling, part of the liquid inside the expansion pot 71 will flow back to the inside of the cooling box 31, and the liquid level inside the expansion pot 71 will drop. When the liquid level is lower than the position of the liquid level sensor 73, it will re-send a signal to control the fan 72 to stop rotating, thereby realizing resource conservation and utilization.

[0044] It should be noted that the specific model and specifications of the fan need to be selected and determined based on the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An anti-interference transformer with a cooling structure, comprising a transformer body (1), the transformer body (1) being connected to a reinforcement component (2), the reinforcement component (2) comprising a transition box (21), one end of the transition box (21) being provided with a heat dissipation tube (24), a lower end of the reinforcement component (2) being provided with a return component (4), the return component (4) comprising a return box (41) and a drain pipe (42), the transformer body (1) being connected to a filter (6), characterized in that: The reinforcing assembly (2) further comprises an extension tube (22), a push rod (27) and a sealing baffle (28), wherein a telescopic spring (210) is provided inside the extension tube (22), and further comprises: A cooling component (3), the cooling component (3) being located on one side of the transition box (21), and the cooling component (3) being capable of cooling and purifying insulating oil expanded and discharged from the transformer body (1); A swing assembly (5), the swing assembly (5) being fixedly connected to the transformer body (1), the swing assembly (5) being capable of improving heat dissipation effect and reducing dust accumulation and electromagnetic interference; A positioning component (7), the positioning component (7) being located on one side of the transformer body (1), and the positioning component (7) being capable of detecting the expansion capacity of the coolant inside the cooling component (3); A limiting groove (29) is provided inside the transition box (21); one end of the transition box (21) away from the transformer body (1) is fixedly connected to the extension tube (22); a telescopic spring (210) is provided inside the extension tube (22); two ends of the telescopic spring (210) are respectively fixedly connected to the inner wall of the extension tube (22) and one end of a push rod (27); the other end of the push rod (27) is fixedly connected to a sealing baffle (28); the sealing baffle (28) is interference-fitted with the limiting groove (29); and the push rod (27) is limitedly slidable with the inner wall of the extension tube (22).

2. The anti-interference type transformer with a cooling structure according to claim 1, characterized in that: The swing assembly (5) comprises a side plate (51), the side plate (51) being fixedly connected to the transformer body (1), an oil drain pipe (52) being fixedly connected to the upper end of the side plate (51), a return pipe (25) being fixedly connected to the lower end of the side plate (51), a plurality of evenly distributed heat sinks (55) being fixedly connected to the middle side wall of the side plate (51), and the transformer body (1) being fixedly connected to the filter (6).

3. The anti-interference type transformer with a cooling structure according to claim 2, characterized in that: The swing assembly (5) further comprises a fixed rod (53) and a flexible belt (54), wherein a plurality of the fixed rods (53) and the flexible belt (54) are provided, one end of the flexible belt (54) is sleeved on the outer wall of the fixed rod (53), one end of the fixed rod (53) is spherically arranged, and the other end of the fixed rod (53) is cylindrically arranged, the fixed rod (53) is fixedly connected to the side plate (51), and the plurality of the fixed rods (53) are respectively located between two adjacent heat sinks (55).

4. The anti-interference type transformer with a cooling structure according to claim 2, characterized in that: The positioning assembly (7) comprises an expansion pot (71), a fan (72) and a liquid level sensor (73); one end of the expansion pot (71) is fixedly connected to the side plate (51); the upper inner side wall of the expansion pot (71) is fixedly connected to the liquid level sensor (73); and the lower side wall of the expansion pot (71) is fixedly connected to the fan (72).

5. The anti-interference type transformer with a cooling structure according to claim 2, characterized in that: An oil flow docking flange (23) is fixedly connected to one side of the transition box (21), and the oil flow docking flange (23) is sealed to the oil drain pipe (52). The lower end of the transition box (21) is fixedly connected to the heat dissipation tube (24), and the other end of the heat dissipation tube (24) is fixedly connected to the return box (41). A return docking flange (26) is fixedly connected to one side of the return box (41), and the return docking flange (26) is sealed to the return pipe (25). The return box (41) is fixedly connected to one end of the drain pipe (42).

6. The anti-interference transformer with a cooling structure according to claim 4, characterized in that: The cooling assembly (3) comprises a cooling box (31) and a purification box (32); the cooling box (31) is fixedly sleeved on the outer wall of the purification box (32); a side wall of one side of the cooling box (31) is fixedly connected to an expansion pot (71) via a connecting pipe; an upper end of the purification box (32) is fixedly connected to a transition box (21); and a lower end of the purification box (32) is fixedly connected to an end of a drain pipe (42) away from the reflux box (41).

7. The anti-interference transformer with a temperature reduction structure according to claim 6, characterized in that: Inclined plates (34) are fixedly connected to both sides of the inner wall of the upper end of the purification box (32), and a bearing plate (33) is fixedly connected to the inner wall of the purification box (32). The bearing plate (33) is arranged in an "L" shape, and an angle is formed between the bearing plate (33) and the horizontal plane.

8. The anti-interference transformer with a temperature reduction structure according to claim 7, characterized in that: A sinking groove (35) is provided on the side wall of the support plate (33), and a plurality of blocking bars (36) arranged in a linear array are fixedly connected to the inner wall of the sinking groove (35). A filtering hole (38) is provided on the side wall at the other end of the support plate (33), and the support plate (33) is provided with limiting sliding grooves (331) on both sides of the filtering hole (38).

9. The anti-interference transformer with a temperature reduction structure according to claim 8, characterized in that: The limiting sliding groove (331) is slidably connected to a counterweight slider (391), one end of the counterweight slider (391) is fixedly connected to a cleaning plate (39), and the outer wall of the cleaning plate (39) is fixedly connected to a floating column (37).

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