Cooling structure of novel dry-type transformer

Abstract

A novel cooling structure of a dry-type transformer is characterized in that two groups of airflow filtering plates are arranged, bearing plates are arranged on the inner walls of the two airflow filtering plates, a threaded rod is arranged between the two bearing plates, the outer wall of the threaded rod is in threaded connection with a rotating bearing, and a plurality of groups of airflow limiting blades are arranged on the outer wall of the rotating bearing; and conveying pipes are arranged on the two sides of the upper portion of the dry-type transformer body correspondingly, cooling gas treatment assemblies are arranged in the two conveying pipes correspondingly, a second groove body is arranged between the two first groove bodies, the depth of the two first groove bodies is larger than that of the second groove body, and bearing connecting plates are arranged in the two first limiting grooves correspondingly. Through cooperative work of the cooling gas treatment assembly and the cooling pump, efficient heat dissipation of the dry-type transformer body is achieved, the cooling pump conveys cooling gas to the position above the dry-type transformer body through the conveying pipe, airflow is evenly distributed through the airflow diffusion plate, and it is ensured that the cooling gas can completely cover the surface of the transformer body.

Description

Technical Field

[0001] The invention belongs to the technical field of transformer processing, and in particular relates to a cooling structure for a novel dry-type transformer. Background Art

[0002] As an important power conversion equipment in the power system, dry-type transformers generate a large amount of heat during operation. If the heat cannot be dissipated in a timely and effective manner, the temperature of the transformer body will be too high, affecting its operating efficiency and service life, and even causing equipment failure.

[0003] In the existing technology, dry-type transformers are mostly cooled by natural air cooling or simple forced air cooling. However, these methods have problems such as low heat dissipation efficiency, uneven airflow distribution, and difficult to control the quality of the cooling gas. As a result, the surface of the transformer body is locally overheated, and the heat cannot be fully absorbed and removed.

[0004] At the same time, dry-type transformers will vibrate due to electromagnetic effects during operation. The traditional support structure is simple and lacks effective shock absorption and stabilization mechanisms, which can easily lead to mechanical stress accumulation and affect the structural stability and long-term operation reliability of the transformer body.

[0005] In addition, existing technologies mostly use manual or semi-automatic control methods, which makes it difficult to adjust the speed, direction or working status of the cooling airflow in real time according to the operating status of the transformer, resulting in the inability to dynamically optimize the cooling efficiency. Summary of the Invention

[0006] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a novel cooling structure for a dry-type transformer to at least partially solve the above technical problems.

[0007] The technical solution adopted by the present invention is as follows:

[0008] The present invention proposes a novel cooling structure for dry-type transformers, comprising:

[0009] A cooling gas processing assembly, the cooling gas processing assembly comprising an airflow filter plate, a threaded rod, and an airflow limiting vane, wherein the airflow filter plate is provided in two groups, the inner walls of the two airflow filter plates are provided with a bearing plate, the threaded rod is provided between the two bearing plates, the outer wall of the threaded rod is threadedly connected to a rotary bearing, and the outer wall of the rotary bearing is provided with a plurality of groups of airflow limiting vanes;

[0010] A working frame is provided inside the working frame, a dry-type transformer body is provided therein, delivery pipes are provided on both sides above the dry-type transformer body, and cooling gas processing components are provided inside the two delivery pipes.

[0011] In one embodiment of the present invention, the inner wall of the working frame is provided with two first limiting grooves, and the shape of the two first limiting grooves is concave. The first limiting groove includes a first groove body and a second groove body. The first groove body is provided with two groups, and the second groove body is provided between the two groups of the first groove bodies. The depth of the two first groove bodies is greater than the depth of the second groove body. A load-bearing connecting plate is provided inside the two first limiting grooves. The shape of the load-bearing connecting plate is adapted to the shape of the first limiting groove. A buffer damping rod is provided in the area of the bottom of the load-bearing connecting plate located in the first groove body. A placement plate is provided between the two load-bearing connecting plates, and the dry-type transformer body is provided inside the placement plate.

[0012] In one embodiment of the present invention, the outer walls of the two supporting connecting plates are provided with fixing grooves, the outer wall of the placement plate is provided with a connecting block, the connecting block is arranged inside the fixing groove, the bottom of the connecting block is provided with a positive magnetic block, and the bottom of the inner wall of the fixing groove is provided with a matching negative magnetic block.

[0013] In one embodiment of the present invention, limiting plates are provided on both sides of the inner wall of the placement plate, the outer wall of the dry-type transformer body is arranged between the two limiting plates, and the inner sides of the two limiting plates are provided with spacing adjustment springs.

[0014] In one embodiment of the present invention, a cooling pump is provided at the bottom of the working frame, the working end of the cooling pump is provided at one end of the delivery pipe, the other end of the delivery pipe is provided with an air flow diffuser plate, the air flow diffuser plate is provided above the dry-type transformer body, a cooling pump control button is provided inside the second tank, the cooling pump control button is provided at the bottom of the bearing connecting plate in the area of the second tank, and the cooling pump is electrically controlled and connected to the cooling pump control button via a conductive line;

[0015] A plurality of groups of air flow holes are provided at the bottom of the placement plate.

[0016] In one embodiment of the present invention, the inner wall of the working frame is further provided with two second limiting grooves, the interiors of the two second limiting grooves are provided with electric retractors, the working ends of the two electric retractors are provided with clamping plates, and the two clamping plates are respectively attached to the outer wall of the dry-type transformer body;

[0017] An electric retractor control button is provided inside the other second slot body. The electric retractor control button is provided at the bottom of the supporting connecting plate in the area of the second slot body. The electric retractor is electrically controlled and connected to the electric retractor control button through a conductive line.

[0018] In one embodiment of the present invention, a tension buffer spring is provided on both sides of the rotary bearing, and the other end of the tension buffer spring is provided on the outer wall of the bearing plate.

[0019] In one embodiment of the present invention, the outer wall of the working frame is provided with four groups of support rods, the four groups of support rods are arranged in an L shape, the bottom of the four groups of support rods is provided with a mounting base plate, and the bottom surface of the mounting base plate is provided with anti-slip grooves.

[0020] In one embodiment of the present invention, a controller is provided outside the working frame, and the dry-type transformer body, the electric expansion joint and the cooling pump are electrically controlled and connected to the controller through conductive wires.

[0021] The beneficial effects of the technical solution of the present invention are:

[0022] The present invention achieves efficient heat dissipation from the dry-type transformer body through the coordinated operation of a cooling gas processing assembly and a cooling pump. The cooling pump delivers cooling gas to the top of the dry-type transformer body through a delivery pipe and evenly distributes the airflow through an air diffuser plate, ensuring that the cooling gas fully covers the surface of the transformer body, thereby effectively absorbing and removing heat generated during operation. The provision of an air filter plate and air flow limiting vanes further optimizes the control of airflow quality and flow rate. The air filter plate effectively filters gas impurities entering the system, preventing dust or particulate matter from corroding the transformer body. The air flow limiting vanes, through the rotation of a threaded rod and a rotating bearing, can dynamically adjust the airflow speed and direction according to the transformer's operating status, enhancing cooling efficiency.

[0023] The present invention forms a stable support system through the first limiting groove in the working frame and the load-bearing connecting plate. The first limiting groove adopts a concave design and includes a first groove body and a second groove body of different depths, which are adapted to the shape of the load-bearing connecting plate to ensure the stable engagement of the connecting plate. The buffer damping rod at the bottom of the load-bearing connecting plate provides an additional shock-absorbing function in the first groove body area, effectively absorbing the vibration generated during the operation of the transformer and reducing the impact of mechanical stress on the transformer body.

[0024] The magnetic connection mechanism between the placement plate and the load-bearing connection plate, using fixing slots, connection blocks, and positive and negative magnetic blocks, enables quick and convenient installation and removal. This magnetic connection eliminates the need for complex bolt fastening, simplifying the transformer assembly process while ensuring connection reliability. The provision of a stop plate and spacing adjustment spring further enhances installation flexibility, enabling adaptive adjustment based on the size and shape of the transformer, ensuring its secure positioning within the placement plate.

[0025] The cooling pump control button and the electric expander control button of the present invention are respectively arranged at the bottom of the load-bearing connecting plate in the second slot body, and are electrically controlled and connected with the cooling pump and the electric expander through conductive lines to form an automated operation control system. The cooling pump control button can start or adjust the working state of the cooling pump in real time according to the operating state of the transformer, ensuring the efficient operation of the cooling system; the electric expander control button controls the electric expander to drive the clamping plate, which precisely fits the outer wall of the transformer body to provide additional fixation and support.

[0026] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0028] Figure 1 A schematic structural diagram of a cooling gas processing assembly of a novel dry-type transformer cooling structure proposed in an embodiment of the present invention;

[0029] Figure 2 This is a schematic structural diagram of a working frame of a novel dry-type transformer cooling structure proposed in an embodiment of the present invention;

[0030] Figure 3 This is a schematic diagram of the cooling structure of a novel dry-type transformer proposed in an embodiment of the present invention;

[0031] Figure 4 A top view of the cooling structure of a novel dry-type transformer proposed in an embodiment of the present invention;

[0032] Figure 5 This is a front view of the cooling structure of the novel dry-type transformer proposed in an embodiment of the present invention;

[0033] Figure 6 A side view of the cooling structure of the novel dry-type transformer proposed in an embodiment of the present invention;

[0034] Figure 7 for Figure 4 A cross-sectional view along the cutting line AA;

[0035] Figure 8 for Figure 4 A cross-sectional view along the cutting line BB;

[0036] Figure 9 for Figure 5 A cross-sectional view along the cutting line CC;

[0037] Figure 10 for Figure 6 Cross-sectional view along the cutting line DD.

[0038] In the figure: 1. Cooling gas processing assembly; 2. Delivery pipe; 3. Air flow diffuser plate; 4. Air flow filter plate; 5. Threaded rod; 6. Rotary bearing; 7. Air flow limiting blade; 8. Tension buffer spring; 9. Bearing plate; 10. Working frame; 11. First limiting groove; 12. First slot body; 13. Second slot body; 14. Buffer damping rod; 15. Load-bearing connecting plate; 16. Electric retractor control button; 17. Cooling pump control button; 18. Fixing groove; 19. Connecting block; 20. Positive magnetic block; 21. Negative magnetic block; 22. Placement plate; 23. Air flow hole; 24. Dry-type transformer body; 25. Electric retractor; 26. Clamping plate; 27. Second limiting groove; 28. Limiting plate; 29. Spacing adjustment spring; 30. Support rod; 31. Mounting base plate; 32. Cooling pump. DETAILED DESCRIPTION

[0039] The following describes embodiments of the present invention in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and are not to be construed as limiting the present invention.

[0040] A novel cooling structure for a dry-type transformer according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0041] like Figures 1 to 10 As shown, an embodiment of the present invention provides a novel cooling structure for a dry-type transformer, comprising: a cooling gas processing assembly 1, the cooling gas processing assembly 1 comprising an airflow filter plate 4, a threaded rod 5 and an airflow limiting blade 7, the airflow filter plate 4 being provided with two groups, the inner walls of the two airflow filter plates 4 being provided with a bearing plate 9, the threaded rod 5 being provided between the two bearing plates 9, the outer wall of the threaded rod 5 being threadedly connected to a rotary bearing 6, the outer wall of the rotary bearing 6 being provided with a plurality of groups of airflow limiting blades 7;

[0042] The working frame 10 has a dry-type transformer body 24 disposed inside the working frame 10 , and delivery pipes 2 are disposed on both sides above the dry-type transformer body 24 , and cooling gas processing components 1 are disposed inside the two delivery pipes 2 .

[0043] In a specific application of an embodiment of the present invention, the cooling gas processing assembly 1 includes two sets of air flow filter plates 4. The inner wall of each set of air flow filter plates 4 is fixedly provided with a bearing plate 9. The air flow filter plates 4 use a high-permeability filter material that can effectively intercept dust, particulate matter, and other impurities in the cooling gas, thereby ensuring that the cooling gas entering the dry-type transformer body 24 has a high degree of cleanliness and preventing impurities from damaging the insulating material or conductive components inside the transformer. The symmetrical arrangement of the two sets of air flow filter plates 4 further enhances the filtration area and efficiency, ensuring that the gas processing capacity meets the requirements of high-load operation. The threaded rod 5 is arranged on the bearing plate 9 between the two sets of air flow filter plates 4 and is fixed by the stable support provided by the bearing plate 9. The outer wall of the threaded rod 5 is connected to the rotary bearing 6 by a threaded connection. The rotary bearing 6 can rotate under the drive of the threaded rod 5. The arrangement of the threaded rod 5 not only provides mechanical support for the rotary bearing 6, but also realizes precise positioning and motion control of the rotary bearing 6 through its threaded structure.

[0044] Several groups of airflow limiting blades 7 are fixedly connected to the outer wall of the rotating bearing 6. The airflow limiting blades 7 are radially distributed and can dynamically adjust the airflow passing through under the drive of the rotating bearing 6. The airflow limiting blades 7 accurately control the flow rate and flow of the cooling gas through rotational motion to avoid uneven heat dissipation caused by excessively fast airflow or insufficient heat dissipation caused by excessively slow airflow. At the same time, the turbulent effect of the blades enhances the heat exchange efficiency between the airflow and the dry-type transformer body 24.

[0045] When the cold air pump is working, the external cooling gas is first purified through the air flow filter plate 4, and then forms a stable and uniform airflow under the rotation of the air flow limiting blade 7, and finally transported to the surface of the dry-type transformer body 24 through the delivery pipe 2 to ensure efficient heat removal.

[0046] The working frame 10 serves as the supporting platform for the cooling structure, with the dry-type transformer body 24 fixedly mounted within it. Made of high-strength materials, the working frame 10 possesses excellent mechanical properties and thermal stability, capable of maintaining structural integrity in high-temperature, high-load operating environments. Delivery pipes 2 are connected to either side of the upper portion of the dry-type transformer body 24, each embedded within the aforementioned cooling gas treatment assembly 1. Serving as a bridge between the cooling gas treatment assembly 1 and the dry-type transformer body 24, the delivery pipes 2 precisely deliver filtered and flow-limited cooling gas to the heat dissipation area of the dry-type transformer body 24, minimizing pressure loss during gas transmission while ensuring uniform airflow distribution.

[0047] The dry-type transformer body 24 generates a large amount of heat during operation. Under high load or high temperature environments, the accumulated heat causes aging or performance degradation of the insulation material. The cooling structure of this embodiment directly applies the treated cooling gas to the surface of the dry-type transformer body 24 through the delivery pipe 2, and uses the convection heat transfer principle of the airflow to quickly remove the heat, thereby effectively reducing the operating temperature of the transformer body and ensuring its long-term stable operation.

[0048] In a possible embodiment, two first limiting grooves 11 are provided on the inner wall of the working frame 10, and the shape of the two first limiting grooves 11 is concave. The first limiting groove 11 includes a first groove body 12 and a second groove body 13. There are two groups of first groove bodies 12, and the second groove body 13 is set between the two groups of first groove bodies 12. The depth of the two first groove bodies 12 is greater than the depth of the second groove body 13. A load-bearing connecting plate 15 is provided inside the two first limiting grooves 11. The shape of the load-bearing connecting plate 15 is adapted to the shape of the first limiting groove 11. The bottom of the load-bearing connecting plate 15 is located in the area of the first groove body 12 and is provided with a buffer damping rod 14. A placement plate 22 is provided between the two load-bearing connecting plates 15, and the dry-type transformer body 24 is provided inside the placement plate 22.

[0049] The outer walls of the two supporting connecting plates 15 are each provided with a fixing groove 18, the outer wall of the placement plate 22 is provided with a connecting block 19, the connecting block 19 is arranged inside the fixing groove 18, the bottom of the connecting block 19 is provided with a positive magnetic block 20, and the bottom of the inner wall of the fixing groove 18 is provided with a matching negative magnetic block 21, and both sides of the inner wall of the placement plate 22 are provided with a limit plate 28. The outer wall of the dry-type transformer body 24 is arranged between the two limit plates 28, and the inner side of the two limit plates 28 is provided with a spacing adjustment spring 29.

[0050] In a specific application of an embodiment of the present invention, two first limiting grooves 11 are concavely carved on the inner wall of the working frame 10, and its internal structure includes two groups of first grooves 12 and a second groove 13 located between the two groups of first grooves 12. The depth of the first groove 12 is greater than that of the second groove 13, forming a stepped groove structure. This depth difference design not only increases the structural strength of the groove, but also provides a precise positioning space for the installation of the bearing connection plate 15. The concave shape of the first limiting groove 11 can effectively limit the displacement of the bearing connection plate 15 in the horizontal and vertical directions, ensuring that it can remain stable under the vibration or external force it withstands during the operation of the transformer. A bearing connection plate 15 is embedded in each first limiting groove 11. The shape of the bearing connection plate 15 is fully compatible with the concave structure of the first limiting groove 11, ensuring that it can fit tightly against the inner wall of the groove to avoid shaking caused by installation gaps. The load-bearing connecting plate 15 is made of high-strength, corrosion-resistant material and can withstand the weight of the dry-type transformer body 24 and the dynamic load generated during its operation; the bottom of the load-bearing connecting plate 15 is located in the area of the first trough 12 and is provided with a buffer damping rod 14. The buffer damping rod 14 uses elastic damping material or hydraulic damping mechanism to effectively absorb and dissipate the vibration energy generated during the operation of the transformer, reduce the impact of mechanical fatigue on the transformer body and the working frame 10, and thus extend the service life of the equipment.

[0051] The placement plate 22 is secured to the outer wall of the supporting connecting plate 15 via connecting blocks 19 on either side. The outer wall of the supporting connecting plate 15 is provided with a fixing slot 18, into which the connecting blocks 19 of the placement plate 22 are inserted, forming a mechanically interlocking structure. A positive magnetic block 20 is located at the bottom of the connecting block 19, while a matching negative magnetic block 21 is located at the bottom of the inner wall of the fixing slot 18. The positive and negative magnetic blocks 21 provide additional securing force between the connecting block 19 and the fixing slot 18 through magnetic attraction, simplifying the installation and removal of the placement plate 22 while ensuring a secure connection. The magnetic securing mechanism prevents loosening caused by vibration during operation, facilitating quick assembly and disassembly by maintenance personnel, improving equipment maintenance efficiency.

[0052] A limit plate 28 is provided on each side of the inner wall of the placement plate 22. The two limit plates 28 jointly clamp the outer wall of the dry-type transformer body 24 to form a stable limit structure. The limit plate 28 is made of high-toughness material, which can effectively prevent the lateral displacement of the transformer body during operation. A spacing adjustment spring 29 is provided on the inner side of the limit plate 28. The spacing adjustment spring 29 dynamically adjusts the distance between the limit plate 28 and the dry-type transformer body 24 through its elastic deformation ability, and can adapt to transformer bodies of different sizes or thermal expansion states, ensuring that the limit plate 28 always maintains appropriate contact pressure with the transformer body, avoiding stress concentration caused by over-tightening and preventing shaking caused by over-loosening.

[0053] The placement plate 22 and the limiting plate 28 ensure that the dry-type transformer body 24 is fixed and centered within the operating frame 10, allowing the cooling gas delivered by the delivery pipe 2 to evenly affect the heat dissipation surface of the transformer body. The spacing adjustment spring 29 of the limiting plate 28 maintains fixed stability while allowing for slight thermal expansion and deformation, preventing structural damage caused by thermal stress, thereby ensuring smooth cooling air flow and efficient heat dissipation. The buffer damping rod 14 and the spacing adjustment spring 29 together form a multi-stage vibration reduction system that effectively suppresses mechanical vibration during transformer operation, reduces the impact of vibration on the cooling gas processing assembly 1 (such as the airflow restrictor 7 or the rotating bearing 6), and ensures the stability of airflow regulation.

[0054] In one possible embodiment, a cooling pump 32 is provided at the bottom of the working frame 10, and a working end of the cooling pump 32 is provided at one end of the delivery pipe 2. An air diffuser plate 3 is provided at the other end of the delivery pipe 2. The air diffuser plate 3 is provided above the dry-type transformer body 24. A cooling pump control button 17 is provided inside a second tank 13. The cooling pump control button 17 is provided at the bottom of the supporting connecting plate 15 in the area of the second tank 13. The cooling pump 32 is electrically controlled and connected to the cooling pump control button 17 via a conductive line.

[0055] A plurality of air flow holes 23 are formed at the bottom of the placement plate 22 .

[0056] In a specific application of the embodiment of the present invention, a cooling pump 32 is fixedly mounted at the bottom of the working frame 10. The cooling pump 32 serves as the airflow driving core, generating and outputting a stable cooling airflow. The working end of the cooling pump 32 is fluidically connected to one end of a delivery pipe 2. The delivery pipe 2 serves as an airflow transmission channel and is made of high-strength, high-temperature-resistant materials to ensure airflow stability and low loss during transmission. The other end of the delivery pipe 2 is connected to an airflow diffuser plate 3. The airflow diffuser plate 3 is located above the dry-type transformer body 24 and utilizes a porous or grid structure to evenly disperse the concentrated airflow output by the cooling pump 32, forming a wide-area airflow field covering the upper surface of the transformer body 24, thereby achieving efficient and uniform cooling of the transformer body 24.

[0057] A second slot 13 is provided inside the working frame 10, and a load-bearing connecting plate 15 is provided inside the second slot 13. A cooling pump control button 17 is fixedly installed in the bottom area of the load-bearing connecting plate 15. The cooling pump control button 17 is electrically connected to the cooling pump 32 through a conductive line to form an electrical control circuit. The dry-type transformer body 24 is placed inside the placement plate 22, and the placement plate 22 is then fixed to the inside of the working frame 10 through the connecting block 19. The placement plate 22 transmits pressure to the load-bearing connecting plates 15 on both sides. At this time, the bottom of the load-bearing connecting plate 15 touches the cooling pump control button 17. The cooling pump control button 17 directly adjusts the operating status of the cooling pump 32 (such as starting, stopping or adjusting the airflow intensity), thereby flexibly controlling the cooling effect according to the real-time temperature requirement of the dry-type transformer body 24. The cooling pump control button 17 is arranged in the second slot 13, which is not only convenient for operation, but also can effectively prevent accidental touch or interference with the control system by the external environment, thereby improving the reliability and safety of the system.

[0058] In addition, a plurality of groups of air flow holes 23 are provided at the bottom of the placement plate 22. The placement plate 22 serves as a supporting platform for the dry-type transformer body 24. The air flow holes 23 at the bottom thereof are arranged in a regular pattern (such as an array or honeycomb pattern), which can guide the cooling airflow dispersed by the airflow diffusion plate 3 to penetrate the placement plate 22 and fully contact the bottom and sides of the transformer body 24 to form a three-dimensional heat dissipation path, which not only enhances the comprehensive coverage of the transformer body by the airflow, but also promotes the rapid extraction of heat, thereby reducing the risk of local high temperature during the operation of the transformer.

[0059] In a possible embodiment, the inner wall of the working frame 10 is further provided with two second limiting grooves 27, and the interiors of the two second limiting grooves 27 are each provided with an electric retractor 25. The working ends of the two electric retractors 25 are provided with a clamping plate 26, and the two clamping plates 26 are respectively attached to the outer wall of the dry-type transformer body 24;

[0060] An electric retractor control button 16 is provided inside the other second slot body 13. The electric retractor control button 16 is provided at the bottom of the supporting connecting plate 15 in the area of the second slot body 13. The electric retractor 25 is electrically controlled and connected to the electric retractor control button 16 through a conductive line.

[0061] In a specific application of an embodiment of the present invention, two groups of second limiting grooves 27 are provided on the inner wall of the working frame 10. The two second limiting grooves 27 are symmetrically arranged and are respectively used to fix and accommodate two electric retractors 25. The working ends of the electric retractors 25 are connected to clamping plates 26. The two clamping plates 26 are respectively tightly fitted with the outer walls of the dry-type transformer body 24 to form a two-way clamping and fixation of the transformer body. The clamping plates 26 are made of a high-strength, high-temperature resistant and elastic material, and a flexible buffer layer can be provided on the inside thereof to ensure that the transformer body 24 can be firmly fixed during the clamping process while avoiding damage or excessive pressure on its outer wall.

[0062] A load-bearing connecting plate 15 is provided in the second trough 13. An electric retractor control button 16 is fixedly installed in the bottom area of the load-bearing connecting plate 15. The electric retractor control button 16 is electrically connected to the two electric retractors 25 through a conductive line to form an electrical control circuit. The dry-type transformer body 24 is placed inside the placement plate 22, and the placement plate 22 is then fixed to the inside of the working frame 10 through the connecting block 19. The placement plate 22 transmits pressure to the load-bearing connecting plates 15 on both sides. At this time, the bottom of the load-bearing connecting plate 15 touches the electric retractor control button 16, thereby adjusting the telescopic stroke and clamping force of the two electric retractors 25, thereby realizing dynamic clamping or release of the dry-type transformer body 24 by the clamping plate 26.

[0063] A cooling pump 32 located at the bottom of the working frame 10 transmits the cooling airflow via a delivery pipe 2 to an airflow diffuser plate 3 located above the transformer body 24. The airflow diffuser plate 3 evenly disperses the airflow, forming a wide-area airflow field covering the upper surface of the transformer body 24. Simultaneously, a number of airflow holes 23 formed at the bottom of the placement plate 22 guide the airflow through the placement plate 22, ensuring full contact with the bottom and sides of the transformer body 24, forming a three-dimensional heat dissipation path. A clamping plate 26 stabilizes the position of the transformer body 24, ensuring that it does not shift or vibrate under the influence of the cooling airflow. This ensures continuous and uniform contact between the airflow and the surface of the transformer body, improving heat dissipation efficiency.

[0064] In a possible embodiment, a tension buffer spring 8 is provided on both sides of the rotating bearing 6, and the other end of the tension buffer spring 8 is provided on the outer wall of the bearing plate 9. The outer wall of the working frame 10 is provided with four groups of support rods 30, and the four groups of support rods 30 are arranged in an L shape. The bottom of the four groups of support rods 30 is provided with a mounting base plate 31, and the bottom surface of the mounting base plate 31 is provided with anti-slip grooves.

[0065] In a specific application of an embodiment of the present invention, the rotating bearing 6 is arranged at an appropriate position of the working frame 10, and tension buffer springs 8 are symmetrically connected on both sides thereof. The other end of the tension buffer spring 8 is fixed to the outer wall of the bearing plate 9 to form an elastic shock-absorbing unit. The tension buffer spring 8 is made of a high-strength, fatigue-resistant metal material and has excellent tensile resilience. It can effectively absorb and disperse the vibration energy generated during operation, thereby protecting the dry-type transformer body 24 and its internal components from vibration shock.

[0066] The four groups of support rods 30 are designed as an L-shaped structure, one end of which is fixedly connected to the outer wall of the working frame 10, and the other end extends downward and is connected to the mounting base plate 31. The L-shaped support rod 30 is made of high-strength alloy material and has excellent bending and pressure resistance. It can provide stable multi-point support for the working frame 10 in a complex environment. The bottom of the four groups of support rods 30 is commonly connected to the mounting base plate 31. The bottom surface of the mounting base plate 31 is provided with anti-slip grooves. The anti-slip grooves adopt a regularly arranged protrusion or groove structure to increase the friction between the base plate and the mounting base surface, effectively preventing sliding or displacement caused by vibration or external force.

[0067] In a possible implementation, a controller is provided outside the working frame 10 , and the dry-type transformer body 24 , the electric expander 25 , and the cooling pump 32 are electrically connected to the controller via conductive wires.

[0068] In the specific application of the embodiment of the present invention, the dry-type transformer body 24, the electric expansion joint 25 and the cooling pump 32 used in the device are all mature existing technologies. The working principles of the dry-type transformer body 24, the electric expansion joint 25 and the cooling pump 32 are also well known in the art and will not be described in detail here.

[0069] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0070] The present invention and its embodiments are described above. This description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by this and, without departing from the purpose of the present invention, designs structures and embodiments similar to this technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A new type of dry-type transformer cooling structure, characterized in that: include: A cooling gas processing assembly (1), the cooling gas processing assembly (1) comprising an airflow filter plate (4), a threaded rod (5) and an airflow limiting blade (7), the airflow filter plate (4) being provided with two groups, the inner walls of the two airflow filter plates (4) being provided with a bearing plate (9), the threaded rod (5) being provided between the two bearing plates (9), the outer wall of the threaded rod (5) being threadedly connected to a rotary bearing (6), the outer wall of the rotary bearing (6) being provided with a plurality of groups of airflow limiting blades (7); A working frame (10) is provided with a dry-type transformer body (24) inside the working frame (10), and delivery pipes (2) are respectively provided on both sides above the dry-type transformer body (24), and cooling gas processing components (1) are provided inside the two delivery pipes (2).

2. The cooling structure of the new dry-type transformer according to claim 1 is characterized in that: The inner wall of the working frame (10) is provided with two first limiting grooves (11), the shape of the two first limiting grooves (11) is concave, the first limiting groove (11) includes a first groove body (12) and a second groove body (13), the first groove body (12) is provided with two groups, the second groove body (13) is provided between the two groups of the first groove bodies (12), the depth of the two first groove bodies (12) is greater than the depth of the second groove body (13), the interior of the two first limiting grooves (11) is provided with a bearing connection plate (15), the shape of the bearing connection plate (15) is adapted to the shape of the first limiting groove (11), the bottom of the bearing connection plate (15) is located in the area of the first groove body (12) and is provided with a buffer damping rod (14), a placement plate (22) is provided between the two bearing connection plates (15), and the dry-type transformer body (24) is provided inside the placement plate (22).

3. The cooling structure of the new dry-type transformer according to claim 2 is characterized in that: The outer walls of the two bearing connecting plates (15) are each provided with a fixing groove (18), the outer wall of the placement plate (22) is provided with a connecting block (19), the connecting block (19) is arranged inside the fixing groove (18), the bottom of the connecting block (19) is provided with a positive pole magnetic block (20), and the bottom of the inner wall of the fixing groove (18) is provided with a matching negative pole magnetic block (21).

4. The cooling structure of the new dry-type transformer according to claim 3 is characterized in that: Limiting plates (28) are provided on both sides of the inner wall of the placement plate (22), and the outer wall of the dry-type transformer body (24) is arranged between the two limiting plates (28). The inner sides of the two limiting plates (28) are provided with spacing adjustment springs (29).

5. The cooling structure of the novel dry-type transformer according to claim 2 is characterized in that: A cooling pump (32) is provided at the bottom of the working frame (10), a working end of the cooling pump (32) is provided at one end of the delivery pipe (2), an air flow diffuser (3) is provided at the other end of the delivery pipe (2), the air flow diffuser (3) is provided above the dry-type transformer body (24), a cooling pump control button (17) is provided inside the second trough (13), the cooling pump control button (17) is provided at the bottom of the bearing connection plate (15) in the area of the second trough (13), and the cooling pump (32) is electrically controlled and connected to the cooling pump control button (17) through a conductive line; A plurality of groups of air flow holes (23) are provided at the bottom of the placement plate (22).

6. The cooling structure of the novel dry-type transformer according to claim 2 is characterized in that: The inner wall of the working frame (10) is further provided with two second limiting grooves (27), the interiors of the two second limiting grooves (27) are both provided with electric retractors (25), the working ends of the two electric retractors (25) are provided with clamping plates (26), and the two clamping plates (26) are respectively attached to the outer wall of the dry-type transformer body (24); An electric retractor control button (16) is provided inside the other second trough body (13). The electric retractor control button (16) is provided at the bottom of the supporting connecting plate (15) in the area of the second trough body (13). The electric retractor (25) is electrically controlled and connected to the electric retractor control button (16) via a conductive line.

7. The cooling structure of the novel dry-type transformer according to claim 1 is characterized in that: A tension buffer spring (8) is provided on both sides of the rotary bearing (6), and the other end of the tension buffer spring (8) is provided on the outer wall of the bearing plate (9).

8. The cooling structure of the novel dry-type transformer according to claim 1 is characterized in that: The outer wall of the working frame (10) is provided with four groups of support rods (30), the four groups of support rods (30) are set to be L-shaped, the bottoms of the four groups of support rods (30) are provided with mounting base plates (31), and the bottom surface of the mounting base plates (31) is provided with anti-slip grooves.

9. The cooling structure of the novel dry-type transformer according to claim 1 is characterized in that: A controller is provided outside the working frame (10), and the dry-type transformer body (24), the electric expansion joint (25) and the cooling pump (32) are electrically controlled and connected to the controller via conductive wires.

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