Three-dimensional roll iron core transformer

Abstract

The invention relates to the technical field of transformers, and discloses a three-dimensional roll iron core transformer which comprises a transformer mechanism, the outer wall of the transformer mechanism is connected with a ventilation adjusting mechanism, the middle position of the ventilation adjusting mechanism is connected with a heat dissipation mechanism, and the bottom end of the inner wall of the transformer mechanism is connected with an impurity cleaning mechanism. A positioning gear is engaged with a positioning gear ring, and a positioning helical gear ring drives three positioning helical gears to be engaged, so that a movable seat which is in threaded connection with the outer wall of a positioning screw rod drives a limiting frame to move, and the movable frame drives a plurality of heat dissipation partition plates and positioning columns to move towards the interior of a transformer protection shell to a limit position; through positioning of the first protective net and the second protective net fixed to the outer wall of the protective frame, the inner space and the outer space of the transformer protective shell are rapidly fused, inside air and outside air are rapidly circulated, mosquitoes and other impurities are prevented from flying into the transformer protective shell, rapid cooling is facilitated, and the hidden danger that the temperature is too high due to slow air circulation is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of transformers, and in particular relates to a three-dimensional wound iron core transformer. Background Art

[0002] The three-dimensional wound core transformer is an energy-saving power transformer. It creatively reforms the laminated magnetic circuit structure and three-phase layout of traditional power transformers, making the product performance more optimized. There are no joints between the three-dimensional wound core layers, the magnetic circuit is evenly distributed, there is no obvious high-resistance area, and there is no distortion of the magnetic flux density at the joints. The three-phase magnetic circuit is completely symmetrical, the power saving effect is significant, the noise is greatly reduced, the heat dissipation and overload capacity are stronger, the structure is compact and the volume is small.

[0003] In the prior art, since three-dimensional wound core transformers are usually used in high-rise buildings, commercial centers, industrial and mining enterprises, oil platforms, subways and tunnels, and are often placed in box-type substations with limited space, due to the limited space and air circulation range, when the three-dimensional wound core transformer is in use, if it encounters abnormal heating, it cannot be cooled in time, resulting in a safety hazard of excessive temperature inside the three-dimensional wound core transformer, which is easy to cause circuit damage and cause fire and other hidden dangers.

[0004] Therefore, it is necessary to invent a three-dimensional wound core transformer to solve the above problems, which can quickly integrate space when the three-dimensional wound core transformer has abnormal temperature, thereby increasing the air circulation speed inside and outside the transformer. Summary of the invention

[0005] In view of the above problems, the present invention provides a three-dimensional wound core transformer to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a three-dimensional wound core transformer, comprising a transformer mechanism, the outer wall of the transformer mechanism is connected to a ventilation adjustment mechanism, the middle position of the ventilation adjustment mechanism is connected to a heat dissipation mechanism, and the bottom end of the inner wall of the transformer mechanism is connected to an impurity cleaning mechanism, wherein: The transformer mechanism comprises a transformer protective shell; The ventilation adjustment mechanism includes a protective frame fixed on three sides of the inner wall of the transformer protective shell, four sides of the three protective frames are provided with a first protective net, two ends of one side of the three protective frames are fixed with a second protective net, one end of the inner wall of the three protective frames is slidably provided with a movable frame, and one side of the three movable frames is fixed with a heat dissipation partition plate; The ventilation adjustment mechanism also includes a positioning bevel gear ring, the tooth surface of the positioning bevel gear ring is meshed with three positioning bevel gears, the bottom ends of the three sides of the inner wall of the transformer protective shell are fixed with positioning frames, the middle positions of the three positioning frames are rotatably provided with positioning screws, one end of the three positioning screws are respectively fixedly connected to one end of the three positioning bevel gears, one end of the outer wall of the three positioning screws is threaded with a moving seat, the top ends of the three moving seats are fixedly provided with a limit frame, and one side of the three limit frames is respectively fixedly connected to the middle position of one side of the three moving frames.

[0007] Preferably, positioning grooves are provided at both ends of both sides of the protective frame, moving blocks are fixedly provided at both ends of both sides of the movable frame through the positioning grooves, limiting seats are fixedly provided at both ends of both sides of the protective frame, and protective wheels are rotatably provided on both sides of the inner walls of the four limiting seats, and both sides of the four movable blocks are respectively in transmission contact with the outer walls of multiple protective wheels.

[0008] Preferably, both ends of the plurality of heat dissipation partition plates are connected via positioning columns.

[0009] Preferably, both sides of the three positioning frames are provided with fixing grooves, and both sides of the three movable seats are slidably connected to the inner walls of the corresponding fixing grooves.

[0010] Preferably, a support column is fixedly provided at the middle position of the bottom of the inner wall of the transformer protective shell, a positioning gear ring is rotatably provided at the bottom end of the outer wall of the support column, a positioning gear is meshed on the tooth surface of the positioning gear ring, the top of the positioning gear ring is fixedly connected to the bottom end of the positioning helical gear ring, a mounting frame is fixedly provided at one end of the bottom of the inner wall of the transformer protective shell, a driving motor is fixedly provided at the bottom end of the mounting frame, and the output end of the driving motor is fixedly connected to the middle position of the positioning gear.

[0011] Preferably, a protective plate is riveted to the top of the transformer protective shell, and the top of the protective plate is electrically connected to the high-voltage terminal and the low-voltage terminal. A protective sleeve is fixedly provided on the top of the support column, and a three-dimensional iron core is clamped on the inner wall of the protective sleeve. A coil is wound on the outer wall of the three-dimensional iron core, and the coil is electrically connected to the high-voltage terminal and the low-voltage terminal. A protective column is fixedly provided on the bottom end of the inner wall of the transformer protective shell, and the outer end of the bottom of the protective sleeve is supported by the protective column and the mounting frame.

[0012] Preferably, a temperature sensor is fixedly provided at the middle position of the inner wall of the protective sleeve.

[0013] Preferably, the heat dissipation mechanism includes a cooling oil tank, the output end of the cooling oil tank is connected to a circulation pump, one side of the three mobile frames is provided with a cooling circulation pipe through a positioning buckle, one end of the three cooling circulation pipes are connected in sequence through a hose, two positioning pipes are inserted into one side of the transformer protective shell, one end of the two positioning pipes are respectively connected to one side of two of the cooling circulation pipes through a hose, one end of one of the positioning pipes is connected to the inlet of the cooling oil tank, and one end of the other positioning pipe is connected to the outlet of the circulation pump, and a cooling fan is fixedly provided at the top of one side of the transformer protective shell.

[0014] Preferably, the impurity cleaning mechanism includes a limit frame fixed on the outer walls of the three movable frames, the outer walls of the three limit frames are fixed with cleaning brushes, the outer walls of the four cleaning brushes are respectively in contact with one side of the multiple first protective nets, and dust collecting racks are fixed on the three sides of the bottom of the inner wall of the transformer protective shell, the ends of the three dust collecting racks are stably supported by fixed columns, and the bottom ends of the three sides of the outer wall of the transformer protective shell are provided with drainage grooves.

[0015] Preferably, the driving motor, circulating pump and cooling fan are all electrically connected to an external power supply through intelligent sensing of a temperature sensor.

[0016] Technical effects and advantages of the present invention: The present invention enables the positioning gear to mesh with the positioning gear ring so that the positioning gear ring drives the positioning bevel gear ring to rotate, and the positioning bevel gear ring drives the three positioning bevel gears to mesh, so that the three positioning bevel gears drive the three positioning screws to rotate, and the moving seat threadedly connected to the outer wall of the positioning screw drives the limiting frame to move, and the moving seat and the limiting frame stably drive the moving frame to move, and the moving frame drives the multiple heat dissipation partition plates and the positioning columns to move to the limit position inside the transformer protective shell, and the positioning of the first protective net and the second protective net fixed on the outer wall of the protective frame allows the inner and outer spaces of the transformer protective shell to be quickly integrated, so that the air inside and outside can circulate quickly, and impurities such as mosquitoes can be prevented from flying in, so as to facilitate rapid cooling and avoid the hidden danger of overtemperature caused by slow air circulation; The present invention enables the moving blocks fixed at both ends of the moving frame to slide along the positioning grooves provided on the outer wall of the protection frame, and the movement of the moving frame is assisted by the auxiliary transmission of the protection wheel rotating on the inner wall of the limit seat, so as to avoid the hidden danger of the moving frame being stuck. The present invention works through the ventilation adjustment mechanism, so that when the air inside and outside the transformer circulates, the position of the cooling circulation pipe is close to the three-dimensional iron core and the coil for cooling, and the cooling efficiency is improved through heat conversion. At the same time, through the operation of the heat dissipation fan fixed on one side of the transformer protective shell, and because the cold air settles downward, the cold air emitted from the outside of the cooling circulation pipe installed on the opposite side and the oblique side of the heat dissipation fan passes through the three-dimensional iron core and the coil to a greater extent, thereby improving the cooling efficiency; The present invention drives the cleaning brush to stably brush the outer wall of the first protective net through a limit frame fixed on the outer wall of the movable frame, so that the first protective net is cleaned when the ventilation adjustment mechanism is working, thereby preventing the first protective net from absorbing a lot of dust and affecting the heat dissipation efficiency when used for a long time. The impurities absorbed by the first protective net fall downward to the top of the dust collecting rack and are guided by the inclined surface of the dust collecting rack so that the impurities are discharged through the sewage trough, thereby reducing the hidden danger of impurity deposition inside the transformer; the condensed water condensed on the outer wall of the cooling circulation pipe is also discharged through the dust collecting rack, thereby avoiding safety hazards.

[0017] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the three-dimensional wound core transformer of the present invention from an angle one; Figure 2 This is a schematic diagram of the three-dimensional wound core transformer from a second angle of the present invention; Figure 3 It is a schematic diagram of the partial structure of the transformer protective shell of the present invention; Figure 4 It is a schematic diagram of the distribution of the protective frame and the mobile frame of the present invention; Figure 5 This is a schematic diagram of the distribution of the first protection net and the second protection net of the present invention; Figure 6 The present invention Figure 3 The enlarged node diagram at A in the middle; Figure 7 It is a schematic diagram of the distribution of the impurity cleaning mechanism of the present invention; Figure 8 This is a schematic diagram of the positioning of the heat dissipation partition plate and the positioning column of the present invention; Fig. 9 It is a schematic diagram of the position of the driving motor of the present invention; Fig.10 is a schematic diagram of the ventilation adjustment mechanism of the present invention; Fig.11 It is a schematic diagram of the distribution structure of the protection plate, high-voltage terminal and low-voltage terminal of the present invention; Fig.12 It is a schematic diagram of the transformer mechanism structure of the present invention; Fig.13 It is a schematic diagram of the internal structure of the transformer mechanism of the present invention; Fig.14 This is a schematic diagram of the distribution of cooling fans of the present invention; Fig.15 It is a schematic diagram of the heat dissipation mechanism of the present invention; Fig.16 It is a schematic diagram of the impurity cleaning mechanism of the present invention.

[0020] In the figure: 1. Transformer mechanism; 101. Transformer protective shell; 102. Protective plate; 103. High-voltage terminal; 104. Low-voltage terminal; 105. Three-dimensional iron core; 106. Coil; 107. Protective cover; 108. Support column; 109. Protective column; 2. Ventilation adjustment mechanism; 201. Protective frame; 202. First protective net; 203. Moving frame; 204. Second protective net; 205. Positioning groove; 206. Limiting seat; 207. Protective wheel; 208. Moving block; 209. Mounting frame; 210. Driving motor; 211. Heat dissipation partition plate; 212. Positioning column; 213. Positioning helical gear ring; 214. Positioning helical gear; 215. Positioning screw rod; 216. Positioning frame; 217. Moving seat; 218. Fixing groove; 219. Positioning gear ring; 220. Positioning gear; 221. Limiting frame; 3. Heat dissipation mechanism; 301. Cooling oil tank; 302. Cooling fan; 303. Circulating pump; 304. Positioning buckle; 305. Cooling circulation pipe; 306. Hose; 307. Positioning pipe; 4. Impurity cleaning mechanism; 401. Limiting frame; 402. Cleaning brush; 403. Dust collection rack; 404. Fixing column; 405. Drain trough; 5. Temperature sensor. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution 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.

[0022] The present invention provides Figure 1-16 A three-dimensional wound core transformer shown in the figure comprises a transformer mechanism 1, the outer wall of the transformer mechanism 1 is connected to a ventilation adjustment mechanism 2, the middle position of the ventilation adjustment mechanism 2 is connected to a heat dissipation mechanism 3, and the bottom end of the inner wall of the transformer mechanism 1 is connected to an impurity cleaning mechanism 4, wherein: The transformer mechanism 1 comprises a transformer protective shell 101; The ventilation adjustment mechanism 2 includes a protection frame 201 fixed on three sides of the inner wall of the transformer protection shell 101, the four sides of the three protection frames 201 are provided with a first protection net 202, the two ends of one side of the three protection frames 201 are fixed with a second protection net 204, one end of the inner wall of the three protection frames 201 is slidably provided with a movable frame 203, and one side of the three movable frames 203 is fixed with a heat dissipation partition plate 211; The ventilation adjustment mechanism 2 also includes a positioning bevel gear ring 213, the tooth surface of the positioning bevel gear ring 213 is meshed with three positioning bevel gears 214, the bottom ends of the three sides of the inner wall of the transformer protective shell 101 are fixed with positioning frames 216, the middle positions of the three positioning frames 216 are rotatably provided with positioning screw rods 215, one end of the three positioning screw rods 215 is respectively fixedly connected to one end of the three positioning bevel gears 214, one end of the outer wall of the three positioning screw rods 215 is threaded with a moving seat 217, the top of the three moving seats 217 is fixed with a limiting frame 221, and one side of the three limiting frames 221 is respectively fixedly connected to the middle position of one side of the three moving frames 203; Both ends of the plurality of heat dissipation partition plates 211 are connected via positioning posts 212; The two sides of the three positioning frames 216 are provided with fixing grooves 218, and the two sides of the three moving seats 217 are respectively slidably connected with the inner walls of the corresponding fixing grooves 218; The structure of three-dimensional wound core transformer is as follows Figure 1-Figure 2 and Figure 11-13 As shown, when the three-dimensional wound core transformer is working and the temperature sensor 5 senses that the temperature is too high, the ventilation adjustment mechanism 2 works; like Figure 4-Figure 5 and Figure 7-Figure 10As shown, the intelligent control driving motor 210 works, so that the output end of the driving motor 210 fixed at the bottom of the mounting frame 209 drives the positioning gear 220 to rotate, and the positioning gear 220 is meshed with the positioning gear ring 219, so that the positioning gear ring 219 drives the positioning bevel gear ring 213 to rotate, and the three positioning bevel gears 214 are meshed through the positioning bevel gear ring 213, so that the three positioning bevel gears 214 drive the three positioning screw rods 215 to rotate, and the positioning frame 216 is positioned, so that the moving seat 217 threadedly connected to the outer wall of the positioning screw rod 215 drives the limit frame 221 to move, and through The positioning of the fixing grooves 218 provided on both sides of the positioning frame 216 enables the moving seat 217 and the limiting frame 221 to stably drive the moving frame 203 to move, and the moving frame 203 drives the multiple heat dissipation partition plates 211 and the positioning columns 212 to move to the limit position inside the transformer protective shell 101. Through the positioning of the first protective net 202 and the second protective net 204 fixed on the outer wall of the protective frame 201, the inner and outer spaces of the transformer protective shell 101 are quickly integrated, so that the air inside and outside can circulate quickly, and impurities such as mosquitoes can be prevented from flying in, so as to facilitate rapid cooling and avoid the hidden danger of overtemperature caused by slow air circulation.

[0023] Positioning grooves 205 are provided at both ends of both sides of the protection frame 201, and moving blocks 208 are fixedly provided at both ends of both sides of the moving frame 203 through the positioning grooves 205. Limiting seats 206 are fixedly provided at both ends of both sides of the protection frame 201, and both sides of the inner walls of the four limiting seats 206 are rotatably provided with protection wheels 207, and both sides of the four moving blocks 208 are respectively in transmission contact with the outer walls of the plurality of protection wheels 207; like Figure 3 and Figure 6 As shown, when the mobile frame 203 is moving, the moving blocks 208 fixed at both ends of the mobile frame 203 slide along the positioning grooves 205 opened on the outer wall of the protective frame 201, and the movement of the mobile frame 203 is assisted by the auxiliary transmission of the protective wheel 207 rotating on the inner wall of the limit seat 206, so that the movement of the mobile frame 203 is assisted in positioning, avoiding the hidden danger of the mobile frame 203 being stuck in movement.

[0024] As a specific embodiment of the present invention, a support column 108 is fixedly provided at the middle position of the bottom of the inner wall of the transformer protective shell 101, and a positioning gear ring 219 is rotatably provided at the bottom end of the outer wall of the support column 108. A positioning gear 220 is meshed on the tooth surface of the positioning gear ring 219, and the top of the positioning gear ring 219 is fixedly connected to the bottom end of the positioning helical gear ring 213. A mounting frame 209 is fixedly provided at one end of the bottom of the inner wall of the transformer protective shell 101, and a driving motor 210 is fixedly provided at the bottom end of the mounting frame 209, and the output end of the driving motor 210 is fixedly connected to the middle position of the positioning gear 220; A protective plate 102 is riveted to the top of the transformer protective shell 101, and the top of the protective plate 102 is electrically connected to the high-voltage terminal 103 and the low-voltage terminal 104. A protective sleeve 107 is fixed to the top of the support column 108, and a three-dimensional iron core 105 is clamped on the inner wall of the protective sleeve 107. The outer wall of the three-dimensional iron core 105 is wound with a coil 106, and the coil 106 is electrically connected to the high-voltage terminal 103 and the low-voltage terminal 104. A protective column 109 is fixed to the bottom end of the inner wall of the transformer protective shell 101, and the outer end of the bottom of the protective sleeve 107 is supported by the protective column 109 and the mounting frame 209.

[0025] As a specific implementation of the present invention, a temperature sensor 5 is fixedly provided at the middle position of the inner wall of the protective sleeve 107 .

[0026] As a specific embodiment of the present invention, the heat dissipation mechanism 3 includes a cooling oil tank 301, the output end of the cooling oil tank 301 is connected to a circulation pump 303, one side of the three mobile frames 203 is provided with a cooling circulation pipe 305 through a positioning buckle 304, one end of the three cooling circulation pipes 305 are connected in sequence through a hose 306, one side of the transformer protective shell 101 is interspersed with two positioning pipes 307, one end of the two positioning pipes 307 is respectively connected to one side of two cooling circulation pipes 305 through a hose 306, one end of one positioning pipe 307 is connected to the inlet of the cooling oil tank 301, and one end of the other positioning pipe 307 is connected to the outlet of the circulation pump 303, and a heat dissipation fan 302 is fixedly provided at the top of one side of the transformer protective shell 101; like Figure 14-15 As shown, the cooling oil in the cooling oil tank 301 is stably input into the cooling circulation pipe 305 through the circulation pump 303. Through the connection of the cooling circulation pipe 305, the hose 306 and the positioning pipe 307, the inside of the transformer is cooled with a certain efficiency. When the ventilation adjustment mechanism 2 works to allow air to circulate inside and outside the transformer, the cooling circulation pipe 305 is located close to the three-dimensional iron core 105 and the coil 106 for cooling, and the cooling efficiency is improved through heat conversion. At the same time, through the operation of the cooling fan 302 fixed on one side of the transformer protective shell 101, and because the cold air settles downward, the cold air emitted from the outside of the cooling circulation pipe 305 installed on the opposite side and the oblique side of the cooling fan 302 passes through the three-dimensional iron core 105 and the coil 106 to a greater extent, thereby improving the cooling efficiency.

[0027] As a specific embodiment of the present invention, the impurity cleaning mechanism 4 includes a limit frame 401 fixed on the outer wall of the three movable frames 203, the outer walls of the three limit frames 401 are fixed with cleaning brushes 402, the outer walls of the four cleaning brushes 402 are respectively in contact with one side of the plurality of first protective nets 202, and the three sides of the bottom of the inner wall of the transformer protective shell 101 are fixed with dust collecting racks 403, the ends of the three dust collecting racks 403 are stably supported by fixed columns 404, and the bottom ends of the three sides of the outer wall of the transformer protective shell 101 are provided with drainage grooves 405; like Figure 8 , Fig.14 and Fig.16 As shown, when the mobile frame 203 moves, the limit frame 401 fixed on the outer wall of the mobile frame 203 drives the cleaning brush 402 to stably brush the outer wall of the first protective net 202, so that when the ventilation adjustment mechanism 2 is working, the first protective net 202 is cleaned, so as to avoid the first protective net 202 absorbing a lot of dust under long-term use, which affects the heat dissipation efficiency, and the impurities absorbed by the first protective net 202 fall downward to the top of the dust collecting frame 403, and are guided by the inclined surface of the dust collecting frame 403 so that the impurities are discharged through the sewage trough 405, thereby reducing the hidden danger of impurity deposition inside the transformer; When the humidity is high, the condensed water condensed on the outer wall of the cooling circulation pipe 305 is also removed through the dust collecting rack 403 to avoid potential safety hazards.

[0028] As a specific implementation of the present invention, the driving motor 210 , the circulating pump 303 and the cooling fan 302 are all electrically connected to the external power supply through the temperature sensor 5 intelligent sensing.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A three-dimensional wound core transformer, comprising a transformer mechanism (1), characterized in that: The outer wall of the transformer mechanism (1) is connected to a ventilation adjustment mechanism (2), the middle position of the ventilation adjustment mechanism (2) is connected to a heat dissipation mechanism (3), and the bottom end of the inner wall of the transformer mechanism (1) is connected to an impurity cleaning mechanism (4), wherein: The transformer mechanism (1) comprises a transformer protective shell (101); The ventilation adjustment mechanism (2) comprises a protection frame (201) fixed to three sides of the inner wall of the transformer protection shell (101), the four sides of the three protection frames (201) are each provided with a first protection net (202), both ends of one side of the three protection frames (201) are each fixedly provided with a second protection net (204), one end of the inner wall of the three protection frames (201) is each slidably provided with a movable frame (203), and one side of the three movable frames (203) is fixedly provided with a heat dissipation partition plate (211); The ventilation adjustment mechanism (2) further comprises a positioning helical gear ring (213), the tooth surface of the positioning helical gear ring (213) being meshed with three positioning helical gears (214), the bottom ends of the three sides of the inner wall of the transformer protective shell (101) being fixedly provided with positioning frames (216), the middle positions of the three positioning frames (216) being rotatably provided with positioning screws (215), one end of the three positioning screws (215) being respectively fixedly connected to one end of the three positioning helical gears (214), one end of the outer wall of the three positioning screws (215) being threadedly provided with moving seats (217), the top ends of the three moving seats (217) being fixedly provided with limiting frames (221), and one side of the three limiting frames (221) being respectively fixedly connected to the middle position of one side of the three moving frames (203).

2. The three-dimensional wound core transformer according to claim 1, characterized in that: Both ends of the two sides of the protection frame (201) are provided with positioning grooves (205), both ends of the two sides of the moving frame (203) are provided with moving blocks (208) passing through the positioning grooves (205), both ends of the two sides of the protection frame (201) are provided with limit seats (206), both sides of the inner walls of the four limit seats (206) are provided with rotatable protection wheels (207), and both sides of the four moving blocks (208) are in transmission contact with the outer walls of the plurality of protection wheels (207) respectively.

3. The three-dimensional wound core transformer according to claim 1, characterized in that: Both ends of the plurality of heat dissipation partition plates (211) are connected via positioning columns (212).

4. The three-dimensional wound core transformer according to claim 1, characterized in that: Both sides of the three positioning frames (216) are provided with fixing grooves (218), and both sides of the three movable seats (217) are slidably connected to the inner walls of the corresponding fixing grooves (218).

5. The three-dimensional wound core transformer according to claim 1, characterized in that: A support column (108) is fixedly provided at a middle position of the bottom of the inner wall of the transformer protective shell (101); a positioning toothed ring (219) is rotatably provided at the bottom end of the outer wall of the support column (108); a positioning gear (220) is meshed on the tooth surface of the positioning toothed ring (219); the top end of the positioning toothed ring (219) is fixedly connected to the bottom end of the positioning helical toothed ring (213); a mounting frame (209) is fixedly provided at one end of the bottom of the inner wall of the transformer protective shell (101); a driving motor (210) is fixedly provided at the bottom end of the mounting frame (209); and an output end of the driving motor (210) is fixedly connected to the middle position of the positioning gear (220).

6. The three-dimensional wound core transformer according to claim 5, characterized in that: A protective plate (102) is riveted to the top of the transformer protective shell (101), the top of the protective plate (102) is electrically connected to a high-voltage terminal (103) and a low-voltage terminal (104), a protective sleeve (107) is fixedly provided at the top of the support column (108), a three-dimensional iron core (105) is snap-fitted to the inner wall of the protective sleeve (107), a coil (106) is wound around the outer wall of the three-dimensional iron core (105), the coil (106) is electrically connected to the high-voltage terminal (103) and the low-voltage terminal (104), a protective column (109) is fixedly provided at the bottom end of the inner wall of the transformer protective shell (101), and the outer end of the bottom of the protective sleeve (107) is supported by the protective column (109) and a mounting frame (209).

7. The three-dimensional wound core transformer according to claim 6, characterized in that: A temperature sensor (5) is fixedly provided at the middle position of the inner wall of the protective sleeve (107).

8. The three-dimensional wound core transformer according to claim 7, characterized in that: The heat dissipation mechanism (3) comprises a cooling oil tank (301), the output end of the cooling oil tank (301) is connected to a circulation pump (303), one side of each of the three movable frames (203) is provided with a cooling circulation pipe (305) through a positioning buckle (304), one end of the three cooling circulation pipes (305) are connected in sequence through a hose (306), one side of the transformer protective shell (101) is provided with two positioning pipes (307), one end of the two positioning pipes (307) is connected to one side of two of the cooling circulation pipes (305) through a hose (306), one end of one of the positioning pipes (307) is connected to the inlet of the cooling oil tank (301), and one end of the other positioning pipe (307) is connected to the outlet of the circulation pump (303), and a heat dissipation fan (302) is fixedly provided at the top end of one side of the transformer protective shell (101).

9. The three-dimensional wound core transformer according to claim 1, characterized in that: The impurity cleaning mechanism (4) comprises a limit frame (401) fixed to the outer walls of the three movable frames (203); the outer walls of the three limit frames (401) are all fixedly provided with cleaning brushes (402); the outer walls of the four cleaning brushes (402) are respectively in contact with one side of the plurality of first protective nets (202); the three sides of the bottom of the inner wall of the transformer protective shell (101) are all fixedly provided with dust collecting racks (403); the ends of the three dust collecting racks (403) are all stably supported by fixed columns (404); and the bottom ends of the three sides of the outer wall of the transformer protective shell (101) are all provided with drainage grooves (405).

10. The three-dimensional wound core transformer according to claim 8, characterized in that: The driving motor (210), the circulating pump (303) and the cooling fan (302) are all electrically connected to an external power source through intelligent sensing of a temperature sensor (5).

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