A new energy high-power toroidal transformer

Abstract

This application relates to the field of transformer technology, specifically disclosing a new energy high-power toroidal transformer, which includes a toroidal core, coils, an air-cooling device, and a water-cooling device. The water-cooling device includes a cooling pipe, a coolant circulation mechanism, and a cleaning mechanism. The cooling pipe is disposed inside the toroidal core, and the coolant circulation mechanism is connected to the cooling pipe. The cleaning mechanism includes a cleaning brush, an elastic element, and a drive assembly. The cleaning brush is slidably disposed on the inner wall of the cooling pipe along its length, and abuts against the inner wall of the cooling pipe. The elastic element is disposed between the cleaning brush and the cooling pipe, and the elastic element causes the cleaning brush to tend to slide away from the air-cooling device. The drive assembly is used to intermittently convert the air force output by the air-cooling device into a force that drives the cleaning brush to slide closer to the air-cooling device. This application can reduce the impact of scale on the heat dissipation effect of the transformer.

Description

Technical Field

[0001] This application relates to the field of transformer technology, and in particular to a new energy high-power toroidal transformer. Background Technology

[0002] Toroidal transformers are a major type of electronic transformer, used in household appliances and other high-tech electronic equipment. Their main uses are as power transformers and isolation transformers. They have good output characteristics and anti-interference capabilities, and are widely used in computers, medical equipment, telecommunications, instruments, and lighting.

[0003] A toroidal transformer is a special type of transformer designed to improve efficiency, reduce noise, and decrease size. A toroidal transformer consists of a toroidal core and primary and secondary coils tightly wound around it. The toroidal core is the heart of the transformer and is typically made of high-quality cold-rolled silicon steel strip, forming a closed toroidal structure; this seamless core helps reduce magnetic flux leakage and increase permeability. The primary coil is connected to the transformer's input terminal to receive AC power and generate a magnetic field. The secondary coil is connected to the transformer's output terminal; it draws electrical energy from the magnetic field induced in the core and converts it into the required voltage level. Transformers generate a significant amount of heat during operation, necessitating a cooling system to keep them cool.

[0004] Among related technologies, Chinese Patent No. CN217214394U discloses a high-efficiency heat dissipation toroidal transformer. Its key technical features include: a base, a protective cover, a transformer, clamping plates, and a fan. The protective cover is installed on the top wall of the base. Multiple sets of heat-conducting rods are installed on the bottom wall of the heat-conducting plate, which is also installed on the top wall of the base. The transformer is installed on the top wall of the heat-conducting plate, and a pair of clamping plates are provided on the left and right side walls of the transformer. The base has an internal cavity filled with coolant. Heat dissipation rods are installed at the bottom of the heat-conducting rods and extend into the internal cavity. The clamping plates have internal cavities containing serpentine tubes. The two ends of the serpentine tubes are connected to an inlet pipe and an outlet pipe, respectively. The inlet pipe is connected to the output end of a water pump, and the outlet pipe is connected to the input end of a cooler. The output end of the cooler is connected to the internal cavity. Multiple air inlets are provided on the bottom side wall of the protective cover, and a fan is installed on the top of the protective cover.

[0005] In the aforementioned device, the water pump can introduce the refrigerant into the serpentine tube, thereby cooling the transformer with water. When the coolant is water, the calcium, magnesium and other minerals contained in the water may be deposited on the inner wall of the tube during the water flow. After long-term operation, scale can easily form on the inner wall of the tube. Scale will reduce the efficiency of heat exchange, thus easily affecting the heat dissipation effect of the transformer. Summary of the Invention

[0006] To mitigate the impact of scale on the heat dissipation of transformers, this application provides a new energy high-power toroidal transformer.

[0007] The technical solution for a new energy high-power toroidal transformer provided in this application is as follows:

[0008] A new energy high-power toroidal transformer, comprising:

[0009] The transformer body includes an annular iron core and coils wound on the annular iron core;

[0010] An air-cooling device is provided on one side of the toroidal core and is used to blow air onto the toroidal core.

[0011] A water-cooling device includes a cooling pipe, a coolant circulation mechanism, and a cleaning mechanism. The cooling pipe is located inside a ring-shaped iron core and extends axially along the core. The coolant circulation mechanism is connected to the cooling pipe and drives the coolant to circulate within the cooling pipe. The cleaning mechanism includes a cleaning brush, an elastic element, and a drive assembly. The cleaning brush slides along the length of the cooling pipe on its inner wall and abuts against the inner wall. The elastic element is located between the cleaning brush and the cooling pipe, causing the cleaning brush to tend to slide away from the air-cooling device. The drive assembly intermittently converts the airflow output by the air-cooling device into a force that drives the cleaning brush to slide closer to the air-cooling device.

[0012] By adopting the above technical solution, the coolant circulation mechanism allows the coolant to circulate within the cooling pipe, thereby cooling the transformer body. During this process, the air-cooling device continuously blows air onto the transformer body, accelerating the cooling process. The air blown by the air-cooling device causes the cleaning brush to slide towards the side closest to the air-cooling device. When the cleaning brush slides to the top of the cooling pipe, the air blown by the air-cooling device stops. At this time, the elastic element causes the cleaning brush to slide away from the air-cooling device. Under the intermittent pushing action of the air-cooling device and the restoring force of the elastic element, the cleaning brush can slide back and forth within the cooling pipe, brushing off the scale adhering to the inner wall of the cooling pipe, thereby ensuring the heat exchange efficiency of the cooling pipe and helping to ensure the heat exchange effect.

[0013] Optionally, the drive assembly includes an airbag, a connecting rope, a closure, and an adjusting component. One end of the airbag is fixedly connected to the transformer body, and the fixed end of the airbag has an opening facing the air outlet side of the air-cooling device. The other end of the airbag is movably disposed, and the extension and retraction direction of the airbag is along the length direction of the cooling pipe. The airbag also has an exhaust port. One end of the connecting rope is fixedly connected to a cleaning brush, and the other end of the connecting rope is fixedly connected to the movable end of the airbag. The closure is slidably disposed on the transformer body, and the opening and closing of the opening is controlled by the sliding of the closure. The adjusting component is used to convert the movement of the movable end of the airbag into the sliding of the closure.

[0014] By adopting the above technical solution, when the airbag is in the open state, the air blown by the air-cooling device causes the airbag to gradually extend. The movable end of the airbag pulls the cleaning brush to slide towards the top of the cooling pipe via the connecting rope. When the cleaning brush moves to the top of the cooling pipe, the adjusting component causes the sealing part to slide, and the airbag is in the closed state. At this time, the elastic element pulls the cleaning brush to slide away from the air-cooling device, thereby compressing the airbag through the action of the connecting rope. The gas inside the airbag is discharged through the exhaust port, and the airbag gradually shortens. When the cleaning brush moves to the bottom of the cooling pipe, the adjusting component causes the sealing part to slide in the opposite direction, causing the airbag to open. The airbag can extend again under the action of the wind, thereby realizing the reciprocating sliding of the cleaning brush.

[0015] Optionally, the adjusting component includes a push block fixedly connected to the movable end of the airbag and a stop block fixedly connected to both ends of the sealing member. Both ends of the push block are provided with a first inclined surface, and the stop block is provided with a second inclined surface for abutting against the first inclined surface. When the push block moves away from the air-cooling device, the stop block slides and causes the sealing member to switch to a closed state. When the push block moves towards the air-cooling device, the stop block slides and causes the sealing member to switch to an open state.

[0016] By adopting the above technical solution, when the airbag expands and contracts, the moving end of the airbag moves, causing the push block to move accordingly. During the movement of the push block, it can push the stop block to slide, and the stop block drives the sealing component to slide, thereby realizing the adjustment of the position of the sealing component. Therefore, the sliding of the sealing component does not require an additional power source, which can reduce costs.

[0017] Optionally, a first magnetic component is fixedly connected to a stop block near one end of the air-cooling device, and a second magnetic component is fixedly connected to the transformer body near one end of the air-cooling device. The magnetic poles of the first and second magnetic components are opposite in direction on the side closest to each other.

[0018] By adopting the above technical solution, when the airbag is compressed, the movable end of the airbag moves upward, and the movable end drives the pusher to move upward. The pusher pushes the block near the air-cooling device to move. After the block moves a certain distance, the first magnetic component on the block and the second magnetic component on the transformer body are subjected to magnetic force, causing the block to slide rapidly until the first and second magnetic components are attracted together. At this time, the sealing component is located on the side away from the opening of the airbag, and the airbag is in an open state. Therefore, the setting of the first and second magnetic components allows the sealing component to slide smoothly to the side away from the opening of the airbag, fully opening the airbag. This avoids the airbag being in a static state due to the wind entering the airbag during the sliding process of the sealing component, which would cause the wind force and the elastic force of the elastic component to balance, preventing the cleaning brush from sliding back and forth.

[0019] Optionally, the cooling pipe is a circular pipe, and the cleaning brush includes a mounting bracket, a rotating ring, a connecting ring, and bristles. The mounting bracket is slidably disposed on the inner wall of the cooling pipe along its length. The rotating ring is rotatably disposed on the outer wall of the mounting bracket. The connecting ring is coaxially fixedly connected to the rotating ring. The connecting ring and the inner wall of the cooling pipe are spaced apart. The bristles are fixedly disposed on the outer wall of the connecting ring and abut against the inner wall of the cooling pipe. A power component for driving the rotating ring to rotate is disposed between the rotating ring and the cooling pipe.

[0020] By adopting the above technical solution, the rotating ring and the connecting ring can rotate relative to the mounting bracket. Therefore, under the action of the power component, when the mounting bracket slides along the length of the cooling pipe, the rotating ring and the connecting ring can rotate, thereby driving the bristles to rotate. Thus, the bristles can rotate while moving, which allows the bristles to make more full contact with the inner wall of the cooling pipe, which helps to enhance the cleaning effect.

[0021] Optionally, the power component includes a ball bearing, a receiving groove is formed on the outer wall of the rotating ring, the ball bearing is disposed in the receiving groove, a spiral groove is formed on the inner wall of the cooling pipe, the axis of the spiral groove is coaxial with the cooling pipe, and the side of the ball bearing away from the receiving groove abuts against the bottom wall of the spiral groove.

[0022] By adopting the above technical solution, when the mounting bracket slides, the balls will move along the trajectory of the spiral groove under the constraint of the spiral groove, so that the rotating ring and the connecting ring can rotate when the mounting bracket slides. The structure is simple, stable and reliable.

[0023] Optionally, a heat-conducting component is provided on the inner side of the annular core, which is in contact with the coil. The side of the heat-conducting component away from the coil abuts against the cooling pipe. A heat-conducting patch is fixedly connected to the heat-conducting component, and the heat-conducting patch is in contact with the outer wall of the cooling pipe.

[0024] By adopting the above technical solution, the heat-conducting component is placed between the coil and the cooling pipe, and a heat-conducting patch that fits into the cooling pipe is also placed between the heat-conducting component and the cooling pipe, thereby increasing the contact area between the coil and the cylindrical cooling pipe and thus enhancing the heat exchange effect.

[0025] Optionally, the heat-conducting component is a heat-conducting copper plate.

[0026] By adopting the above technical solution, copper has a high thermal conductivity and strong heat conduction ability, which helps to quickly transfer heat on the coil.

[0027] Optionally, the coolant circulation mechanism includes a filter element for filtering out scale.

[0028] By adopting the above technical solution, after the scale is removed by the cleaning brush, the scale enters the coolant. The filter can filter out the scale in the coolant, thereby preventing the scale from continuously circulating in the coolant and causing the removed scale to re-adhere to the inner wall of the cooling pipe, which helps to ensure the cleaning effect.

[0029] Optionally, a flow guide is fixedly connected to the air outlet side of the air-cooling device, with the narrow end of the flow guide facing the opening of the airbag.

[0030] By adopting the above technical solution, the design of the deflector makes the air blown out by the air-cooling device more concentrated, and the wind force makes it easier to drive the airbag to extend.

[0031] In summary, this application includes at least one of the following beneficial technical effects:

[0032] 1. Coolant circulates in the cooling pipe, and the air-cooling device blows air onto the surface of the coil to cool it down. The air blown by the air-cooling device can intermittently move the cleaning brush towards the top of the cooling pipe, and the elastic element can move the cleaning brush to the top and then back to the bottom of the cooling pipe. This allows the cleaning brush to move back and forth in the cooling pipe, thereby brushing off the scale adhering to the inner wall of the pipe, thus ensuring the cleanliness of the pipe wall and ensuring heat exchange efficiency.

[0033] 2. During the extension and retraction of the movable end of the airbag, the cooperation of the push block and the stop block can drive the closure to move, thereby adjusting the opening and closing of the airbag opening and realizing the extension and retraction of the airbag. The extension and retraction of the airbag can be carried out automatically without the need for an additional power source, thus making it more energy-efficient. Attached Figure Description

[0034] Figure 1 This is a cross-sectional view of an embodiment of this application;

[0035] Figure 2 This is a cross-sectional view used in an embodiment of this application to show the installation location of the drive component;

[0036] Figure 3 This is a schematic diagram of the airbag in the extended state in the embodiments of this application;

[0037] Figure 4 This is a schematic diagram of the airbag in an extended state from another perspective in an embodiment of this application;

[0038] Figure 5 This is a schematic diagram of the airbag in its initial state in an embodiment of this application;

[0039] Figure 6 This is a schematic diagram of the airbag in its initial state from another perspective in an embodiment of this application;

[0040] Figure 7 yes Figure 1 Enlarged diagram of point A in the middle.

[0041] Reference numerals: 1. Annular core; 2. Coil; 3. Air-cooled device; 4. Cooling pipe; 41. Spiral groove; 5. Cleaning brush; 51. Mounting bracket; 511. Ring; 512. Connecting rod; 52. Rotating ring; 521. Receiving groove; 53. Connecting ring; 54. Brush bristles; 6. Elastic element; 7. Drive assembly; 71. Airbag; 711. Opening; 712. Exhaust port; 713. First support rod; 72. Connecting rope; 73. Sealing element; 731. Second support rod; 732, Third support rod; 8, Adjusting component; 81, Push block; 811, First inclined plane; 82, Stop block; 821, Second inclined plane; 9, First magnetic component; 10, Second magnetic component; 11, Ball bearing; 12, Heat-conducting component; 121, Heat-conducting patch; 13, Shielding; 131, Flared section; 132, Straight section; 1321, Square hole; 14, Mounting ring; 15, Pulley; 16, Upper end cover; 17, Lower end cover; 18, Screw. Detailed Implementation

[0042] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0043] This application discloses a high-power toroidal transformer for new energy applications. (Refer to...) Figure 1The new energy high-power toroidal transformer includes a transformer body, an air-cooling device 3, and a water-cooling device. The transformer body includes a toroidal core 1 and a coil 2. The coil 2 includes a primary coil and a secondary coil, both of which are tightly wound on the toroidal core 1. In this embodiment, the toroidal core 1 is arranged vertically as an example. An upper end cover 16 is provided at the top of the toroidal core 1, and a lower end cover 17 is provided at the bottom of the toroidal core 1. Both the upper end cover 16 and the lower end cover 17 are horizontally arranged. A vertically arranged screw 18 is provided between the upper end cover 16 and the lower end cover 17. The bottom end of the screw 18 is threadedly connected to the lower end cover 17, and the top end of the screw 18 protrudes from the upper end cover 16. A nut is threadedly connected to one end of the screw 18 that protrudes from the upper end cover 16, thus fixing the upper end cover 16 and the lower end cover 17 to both sides of the toroidal core 1.

[0044] The air-cooling device 3 is fixedly connected between the top wall of the toroidal core 1 and the bottom wall of the upper end cover 16. The air-cooling device 3 includes a fan with its opening 711 facing vertically downwards, so that the fan can blow air onto the toroidal core 1 and the coil 2, thereby accelerating the cooling of the toroidal core 1 and the coil 2. Ventilation holes are provided on both the upper end cover 16 and the lower end cover 17, which helps air circulation and ensures heat dissipation.

[0045] The water-cooling device includes cooling pipes 4 and a coolant circulation mechanism. An mounting ring 14, coaxially arranged with the toroidal core 1, is fixedly connected to the bottom of the air-cooling device 3, and the mounting ring 14 is located at the top of the toroidal core 1. The cooling pipes 4 are located inside the toroidal core 1, and their tops are fixedly connected to the mounting ring 14. Multiple cooling pipes 4 are arranged in a circular array. The cooling pipes 4 are vertically arranged, and one side of each cooling pipe abuts against the coil 2. The coolant circulation mechanism is connected to the cooling pipes 4, allowing coolant to circulate within them, thus facilitating heat exchange between the cooling pipes 4 and the coil 2, achieving rapid cooling of the coil 2. Because the portion of the coil 2 located inside the toroidal core 1 is more densely packed than the portion located outside, the heat is more concentrated inside the toroidal core 1. Therefore, placing the cooling pipes 4 inside the toroidal core 1 helps ensure the safety of the transformer.

[0046] The water-cooling device also includes a cleaning mechanism, which comprises cleaning brushes 5, elastic elements 6, and a drive assembly 7. Multiple cleaning brushes 5 are provided, the same number as the number of cooling pipes 4, with each cleaning brush 5 corresponding to one cooling pipe 4. The cleaning brushes 5 are slidably disposed on the inner side of the cooling pipe 4 along its length; the cleaning brushes 5 abut against the inner wall of the cooling pipe 4, thus cleaning the inner wall of the cooling pipe 4 as they slide. Multiple elastic elements 6 are provided, the same number as the number of cleaning brushes 5, with each elastic element 6 corresponding to one cleaning brush 5; the elastic elements 6 are springs, fixedly connected between the cleaning brushes 5 and the bottom wall of the cooling pipe 4. Under normal conditions, the elastic elements 6 are at their original length, and the cleaning brushes 5 are located at the bottom end of the cooling pipe 4.

[0047] Reference Figure 1 and Figure 2 The drive assembly 7 includes an airbag 71, a connecting rope 72, a sealing member 73, and an adjusting member 8. The airbag 71 is elongated and vertically oriented. Its bottom end is closed, while its top end has an opening 711 facing the air-cooling device 3, allowing air from the device to inflate it. The top end of the airbag 71 is fixedly connected to the mounting ring 14, while its bottom end is movable. Inflation causes the airbag 71 to extend downwards, and its bottom end to move downwards. An exhaust port 712 is also provided on the airbag 71. The diameter of the exhaust port 712 is smaller than the diameter of the opening 711. Therefore, when the opening 711 is closed, gas inside the airbag 71 can be released through the exhaust port 712, causing the airbag 71 to shorten and its movable end to move upwards.

[0048] Reference Figure 3 , Figure 4 , Figure 5 and Figure 6 The connecting rope 72 is a flexible rope, and multiple connecting ropes 72 are provided, with the number of connecting ropes 72 being the same as the number of cleaning brushes 5. Each connecting rope 72 corresponds to one cleaning brush 5. One end of the connecting rope 72 passes through the top wall of the cooling pipe 4 and enters the inside of the cooling pipe 4, and the end of the connecting rope 72 that enters the cooling pipe 4 is fixedly connected to the top wall of the cleaning brush 5. A pulley 15 is rotatably provided on the mounting ring 14, and the other end of the connecting rope 72 passes around the pulley 15 and is fixedly connected to the movable end of the airbag 71. Therefore, in the initial state, the opening 711 of the airbag 71 is open. After the air blown out by the air-cooling device 3 enters the airbag 71, the airbag 71 gradually extends. The movable end of the airbag 71 moves downward, and the movable end of the airbag 71 drives the cleaning brush 5 to move upward through the connecting rope 72. When the airbag 71 is fully extended, the cleaning brush 5 is located at the top of the cooling pipe 4. At this time, the opening 711 of the airbag 71 closes again, so that the air blown out by the air-cooling device 3 cannot enter the airbag 71. Under the action of the elastic element 6, the cleaning brush 5 moves downward. When the cleaning brush 5 moves, it drives the movable end of the airbag 71 to move upward through the connecting rope 72, which compresses the airbag 71. At this time, the air inside the airbag 71 can be gradually discharged through the exhaust port 712, and the airbag 71 gradually shortens. When the airbag 71 shortens to the initial state, the opening 711 of the airbag 71 opens again, and the above process is repeated, thereby realizing the reciprocating sliding of the cleaning brush 5 to clean the scale on the inner wall of the cooling pipe 4.

[0049] The cooling pipe 4 has a perforation on its top wall for the connecting rope 72 to pass through. A sealing ring is fixedly connected to the inner wall of the perforation. Because the sealing ring is elastic and its inner side abuts against the outer wall of the connecting rope 72, it can prevent the coolant in the cooling pipe 4 from flowing out through the perforation. In other embodiments, other elastic elements 6 or sealing elements can also be provided at the perforation to maintain the seal at the perforation while allowing the connecting rope 72 to slide relative to the top wall of the cooling pipe 4.

[0050] In addition, the coolant circulation mechanism also includes a filter element, which is an activated carbon filter. Therefore, the filter element can remove the scale cleaned by the cleaning brush 5, thereby preventing the scale from flowing with the coolant circulation and helping to ensure the cleaning effect.

[0051] A deflector 13 is fixedly connected to the air outlet side of the air-cooling device 3. The deflector 13 has openings 711 at both the top and bottom. The deflector 13 includes a flared section 131 fixedly connected to the air-cooling device 3 and a straight section 132 fixedly connected to the bottom end of the flared section 131. The area of ​​the top opening 711 of the flared section 131 is larger than the area of ​​the bottom opening 711. The bottom end of the straight section 132 is connected to the opening 711 at the top of the airbag 71. Therefore, the deflector 13 can concentrate the airflow, and the air blown out by the air-cooling device 3 can more easily cause the airbag 71 to extend.

[0052] The closure 73 is a horizontally arranged plate-like structure that slides horizontally on the straight section 132. The straight section 132 has a square hole 1321 for the closure 73 to slide in and out. The adjusting component 8 is used to adjust the position of the closure 73 and includes a push block 81 and a stop block 82. A first support rod 713 is fixedly connected to the bottom wall of the movable end of the airbag 71, and the push block 81 is fixedly connected to the end of the first support rod 713 away from the airbag 71. The push block 81 is vertically arranged, and both its top and bottom ends have first inclined surfaces 811, with the same inclination direction and degree. The closure 73 is fixedly connected to a second support rod 731 and a third support rod 732. Two stops 82 are provided, both located below the air-cooling device 3. One stop 82 is fixedly connected to the end of the second support rod 731, and the stop 82 fixedly connected to the second support rod 731 is located on the side closer to the air-cooling device 3. The other stop 82 is fixedly connected to the end of the third support rod 732, and the stop 82 fixedly connected to the third support rod 732 is located on the side away from the air-cooling device 3.

[0053] A second inclined surface 821 is provided on the bottom wall of the stop block 82 at the end of the second support rod 731, and a second inclined surface 821 is provided on the top wall of the stop block 82 at the end of the third support rod 732. The inclination direction and degree of the second inclined surface 821 are the same as those of the first inclined surface 811; and the two second inclined surfaces 821 are not simultaneously located in the same vertical direction as the first inclined surface 811.

[0054] In the initial state, the opening 711 of the airbag 71 is open, and the air blown out by the air-cooling device 3 causes the airbag 71 to gradually extend. The movable end of the airbag 71 gradually moves down, and the movable end of the airbag 71 drives the push block 81 to move. When the movable end of the airbag 71 moves to the side near the bottom of the cooling pipe 4, the first inclined surface 811 at the bottom of the push block 81 abuts against the second inclined surface 821 on the lower stop block 82. Then, as the movable end of the airbag 71 moves, the push block 81 pushes the lower stop block 82 to move. The lower stop block 82 drives the sealing member 73 to slide through the third support rod 732, so that the sealing member 73 slides into the inside of the straight section 132 through the square hole 1321, sealing the opening 711 of the airbag 71.

[0055] Next, under the action of the elastic element 6, the air inside the airbag 71 is gradually discharged through the exhaust port 712, the airbag 71 gradually shortens, and the movable end of the airbag 71 moves upward. When the movable end of the airbag 71 moves to the side near the top of the cooling pipe 4, the first inclined surface 811 on the top of the push block 81 abuts against the second inclined surface 821 on the upper stop block 82. Then, as the movable end of the airbag 71 moves, the push block 81 pushes the upper stop block 82 to move. The upper stop block 82 drives the sealing element 73 to slide through the second support rod 731, so that the sealing element 73 slides out from the straight section 132, opening the opening 711 of the airbag 71. Therefore, the setting of the adjusting component 8 can change the vertical movement of the movable end of the airbag 71 into the horizontal sliding of the sealing element 73. After the air-cooling device 3 is turned on, the airbag 71 can automatically extend and retract, which is more energy-efficient.

[0056] Furthermore, a first magnetic element 9 is fixedly bonded to one end of the upper stop block 82 away from the second inclined surface 821, and a second magnetic element 10 is fixedly bonded to the mounting ring 14. Both the first magnetic element 9 and the second magnetic element 10 are magnets, and the magnetic poles of the first magnetic element 9 and the second magnetic element 10 are opposite in direction to each other. Therefore, when the push block 81 pushes the upper stop block 82 to slide a certain distance, the first magnetic element 9 is attracted by the second magnetic element 10, which allows the upper stop block 82 to slide quickly until the first magnetic element 9 and the second magnetic element 10 attract each other, thereby allowing the sealing member 73 to slide quickly to the outside of the straight section 132 and open the opening 711 of the airbag 71.

[0057] Reference Figure 7To enhance the cleaning effect on the inner wall of the cooling pipe 4, the cooling pipe 4 is designed as a circular pipe. The cleaning brush 5 includes a mounting bracket 51, a rotating ring 52, a connecting ring 53, and bristles 54. The mounting bracket 51 includes a circular ring 511 and a connecting rod 512. The circular ring 511 is coaxially disposed on the inner side of the cooling pipe 4, and the outer diameter of the circular ring 511 is smaller than the inner diameter of the cooling pipe 4. The bottom end of the connecting rod 512 is fixedly connected to the top wall of the circular ring 511, and the top end of the connecting rod 512 is fixedly connected to the end of the connecting rope 72. The rotating ring 52 is coaxially sleeved on the outer side of the circular ring 511. The inner diameter of the rotating ring 52 is the same as the outer diameter of the circular ring 511, and the outer diameter of the rotating ring 52 is the same as the inner diameter of the cooling pipe 4. The rotating ring 52 is rotatably disposed on the circular ring 511. The connecting ring 53 is coaxially fixedly connected to the bottom wall of the rotating ring 52. The outer diameter of the connecting ring 53 is smaller than the outer diameter of the rotating ring 52, so that the connecting ring 53 and the inner wall of the cooling pipe 4 are spaced apart. The bristles 54 are fixedly connected to the outer wall of the connecting ring 53, and the side of the bristles 54 away from the connecting ring 53 abuts against the inner wall of the cooling pipe 4.

[0058] A power component, including a ball bearing 11, is also provided between the rotating ring 52 and the cooling pipe 4. Two hemispherical receiving grooves 521 are provided on the outer wall of the rotating ring 52, arranged symmetrically. Each receiving groove 521 contains a ball bearing 11. A spiral groove 41 is provided on the inner wall of the cooling pipe 4, with its axis coaxial with the cooling pipe 4. The side of the ball bearing 11 away from the receiving groove 521 abuts against the bottom of the spiral groove 41. Therefore, as the connecting rope 72 drives the mounting bracket 51 to slide, the mounting bracket 51 drives the rotating ring 52 to slide. With the cooperation of the spiral groove 41 and the ball bearing 11, the rotating ring 52 can rotate around its own axis while sliding, thus causing the connecting ring 53 and the brush bristles 54 to rotate while sliding, thereby enhancing the cleaning effect on the scale on the inner wall of the cooling pipe 4.

[0059] Reference Figure 2 To increase the contact area between the cooling pipe 4 and the coil 2, a heat-conducting element 12 is also provided on the inner side of the annular core 1. The two sides of the heat-conducting element 12 abut against the coil 2 and the cooling pipe 4, respectively. Multiple heat-conducting elements 12 are provided, the number of which is the same as the number of cooling pipes 4, with each heat-conducting element 12 corresponding to one cooling pipe 4. The heat-conducting element 12 is a heat-conducting copper plate, arranged along the length of the cooling pipe 4. The side of the heat-conducting element 12 closest to the coil 2 has an arc surface that fits against the coil 2, thus allowing for a larger contact area between the heat-conducting element 12 and the coil 2, enabling rapid heat transfer. Heat-conducting patches 121 are also evenly spaced along the length of the heat-conducting element 12. The side of the heat-conducting patch 12 away from the heat-conducting element 12 fits against the outer wall of the cooling pipe 4, further increasing the heat transfer area and enhancing the heat transfer effect.

[0060] The implementation principle of a new energy high-power toroidal transformer according to an embodiment of this application is as follows: In the initial state, the airbag 71 is in a contracted state, and the sealing member 73 is located on the outside of the straight section 132, so that the opening 711 of the airbag 71 is in an open state; the cleaning brush 5 is located at the bottom end of the cooling pipe 4. After the air-cooling device 3 is turned on, it blows air outward. Part of the air blows onto the toroidal core 1 and the coil 2 for cooling; the other part of the air flows into the airbag 71 through the guide shroud 13, so that the airbag 71 overcomes the elastic force of the elastic member 6 and gradually extends, and the movable end of the airbag 71 moves downward. When the movable end of the airbag 71 moves downward, the movable end drives the cleaning brush 5 to move upward through the connecting rope 72. The cleaning brush 5 can brush off the scale adhering to the inner wall of the cooling pipe 4, thereby cleaning the inner wall of the cooling pipe 4 and ensuring the heat exchange efficiency of the cooling pipe 4.

[0061] During the downward movement of the movable end of the airbag 71, the push block 81 can also be driven downward by the first support rod 713. When the movable end of the airbag 71 moves to the side near the bottom of the cooling pipe 4, the first inclined surface 811 at the bottom of the push block 81 abuts against the second inclined surface 821 on the lower stop block 82. Then, as the push block 81 moves, it pushes the lower stop block 82 to move. The lower stop block 82 drives the sealing member 73 to move through the third support rod 732, so that the sealing member 73 moves to the inside of the straight section 132, sealing the opening 711 of the airbag 71. At this time, the cleaning brush 5 is located at the top of the cooling pipe 4, and the elastic member 6 is in a stretched state. The air blown out by the air-cooling device 3 cannot enter the airbag 71. Under the pulling force of the elastic member 6, the cleaning brush 5 moves downward. The cleaning brush 5 drives the movable end of the airbag 71 to move upward through the connecting rope 72, so that the airbag 71 is compressed. The air in the airbag 71 is discharged through the exhaust port 712, and the airbag 71 gradually shortens.

[0062] When the movable end of the airbag 71 moves up to the side near the top of the cooling pipe 4, the first inclined surface 811 on the top of the push block 81 abuts against the second inclined surface 821 on the upper stop block 82. Then, as the push block 81 moves up, the upper stop block 82 moves. The upper stop block 82 drives the sealing member 73 to slide through the second support rod 731, so that the sealing member 73 slides out of the straight section 132. After the sealing member 73 slides a certain distance, the first magnetic element 9 on the sealing member 73 is attracted by the second magnetic element 10, so that the sealing member 73 slides faster until the first magnetic element 9 and the second magnetic element 10 are attracted together, so that the sealing member 73 is located outside the straight section 132 and the opening 711 of the airbag 71 is fully opened. At this time, the cleaning brush 5 is located at the bottom end of the cooling pipe 4.

[0063] Then, by repeating the above process, the cleaning brush 5 can slide back and forth along the length of the cooling pipe 4 under the action of the air-cooling device 3 and the elastic element 6, thereby cleaning the scale on the inner wall of the cooling pipe 4.

[0064] The cleaning brush 5 includes a mounting frame 51 and a rotating ring 52 rotatably mounted on the mounting frame 51. When the mounting frame 51 slides along the length of the cooling pipe 4, the rotating ring 52 can rotate with the cooperation of the spiral groove 41 and the ball bearing 11, so that the connecting ring 53 and the bristles 54 on the rotating ring 52 can rotate while sliding, thereby enhancing the cleaning effect on the inner wall of the cooling pipe 4.

[0065] The above are optional embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made to the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A high-power toroidal transformer for new energy, characterized in that, include: The transformer body includes an annular core (1) and a coil (2) wound on the annular core (1). Air cooling device (3), the air cooling device (3) is set on one side of the annular iron core (1) and is used to blow air on the annular iron core (1); The water cooling device includes a cooling pipe (4), a coolant circulation mechanism, and a cleaning mechanism. The cooling pipe (4) is located inside the annular core (1) and extends along the axial direction of the annular core (1). The coolant circulation mechanism is connected to the cooling pipe (4) and is used to drive the coolant to circulate within the cooling pipe (4). The cleaning mechanism includes a cleaning brush (5), an elastic element (6), and a drive assembly (7). The cleaning brush (5) is slidably disposed on the inner wall of the cooling pipe (4) along the length direction of the cooling pipe (4) and abuts against the inner wall of the cooling pipe (4). The elastic element (6) is disposed between the cleaning brush (5) and the cooling pipe (4) and causes the cleaning brush (5) to tend to slide away from the air-cooled device (3). The drive assembly (7) is used to intermittently convert the air force output by the air-cooled device (3) into a force that drives the cleaning brush (5) to slide closer to the air-cooled device (3).

2. The new energy high-power toroidal transformer according to claim 1, characterized in that: The drive assembly (7) includes an airbag (71), a connecting rope (72), a sealing member (73), and an adjusting member (8). One end of the airbag (71) is fixedly connected to the transformer body. The fixed end of the airbag (71) is provided with an opening (711) facing the air outlet side of the air-cooling device (3). The other end of the airbag (71) is movably provided. The extension and retraction direction of the airbag (71) is set along the length direction of the cooling pipe (4). An exhaust port (712) is also provided on the airbag (71). One end of the connecting rope (72) is fixedly connected to the cleaning brush (5). The other end of the connecting rope (72) is fixedly connected to the movable end of the airbag (71). The sealing member (73) is slidably provided on the transformer body, and the opening and closing of the opening (711) is controlled by the sliding of the sealing member (73). The adjusting member (8) is used to convert the movement of the movable end of the airbag (71) into the sliding of the sealing member (73).

3. A new energy high-power toroidal transformer according to claim 2, characterized in that: The adjusting component (8) includes a push block (81) fixedly connected to the movable end of the airbag (71) and a stop block (82) fixedly connected to both ends of the closure (73). Both ends of the push block (81) are provided with a first inclined surface (811), and the stop block (82) is provided with a second inclined surface (821) for abutting against the first inclined surface (811). When the push block (81) moves away from the air-cooling device (3), the stop block (82) slides and causes the closure (73) to switch to a state of closing the opening (711). When the push block (81) moves towards the air-cooling device (3), the stop block (82) slides and causes the closure (73) to switch to a state of opening the opening (711).

4. A new energy high-power toroidal transformer according to claim 3, characterized in that: A first magnetic component (9) is fixedly connected to a stop (82) near one end of the air-cooling device (3), and a second magnetic component (10) is fixedly connected to one end of the transformer body near the air-cooling device (3). The magnetic poles of the first magnetic component (9) and the second magnetic component (10) are opposite in direction to each other on the side closest to each other.

5. A new energy high-power toroidal transformer according to claim 1, characterized in that: The cooling pipe (4) is a round pipe. The cleaning brush (5) includes a mounting bracket (51), a rotating ring (52), a connecting ring (53), and bristles (54). The mounting bracket (51) is slidably disposed on the inner wall of the cooling pipe (4) along the length direction of the cooling pipe (4). The rotating ring (52) is rotatably disposed on the outer wall of the mounting bracket (51). The connecting ring (53) is coaxially fixedly connected to the rotating ring (52). The connecting ring (53) and the inner wall of the cooling pipe (4) are spaced apart. The bristles (54) are fixedly disposed on the outer wall of the connecting ring (53). The bristles (54) abut against the inner wall of the cooling pipe (4). A power component for driving the rotating ring (52) to rotate is provided between the rotating ring (52) and the cooling pipe (4).

6. A new energy high-power toroidal transformer according to claim 5, characterized in that: The power component includes a ball bearing (11), and a receiving groove (521) is provided on the outer wall of the rotating ring (52). The ball bearing (11) is disposed in the receiving groove (521). A spiral groove (41) is provided on the inner wall of the cooling pipe (4). The axis of the spiral groove (41) is coaxial with the cooling pipe (4). The side of the ball bearing (11) away from the receiving groove (521) abuts against the bottom wall of the spiral groove (41).

7. A new energy high-power toroidal transformer according to claim 5, characterized in that: The inner side of the annular core (1) is provided with a heat-conducting component (12) that is in contact with the coil (2). The side of the heat-conducting component (12) away from the coil (2) abuts against the cooling pipe (4). A heat-conducting patch (121) is fixedly connected to the heat-conducting component (12), and the heat-conducting patch (121) is in contact with the outer wall of the cooling pipe (4).

8. A new energy high-power toroidal transformer according to claim 7, characterized in that: The heat-conducting component (12) is a heat-conducting copper plate.

9. A new energy high-power toroidal transformer according to claim 1, characterized in that: The coolant circulation mechanism includes a filter element for removing scale.

10. A new energy high-power toroidal transformer according to claim 2, characterized in that: The air-cooling device (3) is fixedly connected to the air outlet side with a guide shroud (13), and the narrow end of the guide shroud (13) faces the opening (711) of the airbag (71).

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