Composite phase change cooling transformer with thermal management function

Abstract

This invention relates to the field of transformer technology, and in particular to a composite phase change cooling transformer with thermal management function. This composite phase change cooling transformer with thermal management function includes an oil tank, winding assembly, synchronous circulation assembly, vertical temperature control assembly, two longitudinal control assemblies, and two circulation control assemblies. This invention enables direct directional cooling of the winding assembly by the coolant and guides the coolant circulation path, ensuring that the coolant circulation covers the hollow cavity and preventing localized overheating. Furthermore, the vertical temperature control assembly enhances the heat exchange effect inside the cavity, and in conjunction with vertical air pipes, a temperature-controlled air pump, a plate radiator, and a wind-cooled motor, it provides air heat exchange, achieving a superposition of heat exchange capabilities and improving heat exchange efficiency. In addition, it can adjust the cooling circulation rate, the radiator shunting ratio, and the circulation path in real time according to the load and ambient temperature, improving the transformer's real-time thermal management capabilities.

Description

Technical Field

[0001] This invention relates to the field of transformer technology, and in particular to a composite phase change cooling transformer with thermal management function. Background Technology

[0002] Transformers are core hub equipment in the entire process of power generation, transmission, distribution, and consumption. Their operational safety, reliability, and service life directly determine the stable operation of the power grid and the reliability of power supply. With the large-scale construction of my country's ultra-high voltage AC / DC power grid and the accelerated process of high-proportion grid connection of new energy sources, the demand for large-capacity, high overload capacity, and high environmental adaptability power transformers continues to surge. Cooling and thermal management systems are key components that determine the core performance of transformers, directly restricting their capacity utilization, insulation life, and operational safety.

[0003] However, in existing transformers, the density of the coolant decreases after being heated by the windings and core, causing it to naturally rise to the top of the tank while the coolant at a lower temperature sinks to the bottom, resulting in a significant stratification of hot and cold media. The existing pump-driven circulation system can only move the media within the main flow channel, failing to break up this stratification. This leads to the continuous accumulation of hot oil at the top of the tank, causing excessive temperature rise, while the low-temperature cooling medium at the bottom does not fully participate in the heat exchange. This not only significantly reduces overall cooling efficiency but also further exacerbates the temperature unevenness within the tank. Furthermore, the independent structure and decentralized control of each cooling unit in existing transformers result in poor coordination between multiple cooling units. When the load fluctuates rapidly, the units cannot adjust their output synchronously, exhibiting significant lag. This can easily lead to short-term undercooling / overheating or overcooling under low load, increasing the risk of hot spots and causing substantial wasted energy. Summary of the Invention

[0004] Therefore, it is necessary to provide a composite phase change cooling transformer with thermal management function to solve at least one of the technical problems in the background art.

[0005] A composite phase-change cooling transformer with thermal management function includes an oil tank, winding assembly, synchronous circulation assembly, vertical temperature regulation assembly, two longitudinal control assemblies, and two circulation control assemblies. A liquid storage rack is installed at the inner end of the top surface of the oil tank, and a liquid storage tank is mounted on the rack. A main outlet pipe is located in the middle of the bottom surface of the liquid storage tank, and a return pipe is located on one side of the bottom surface of the liquid storage tank. The interior of the liquid storage tank is hollow, forming a hollow cavity. Multiple high-voltage riser seats protrude from both sides of the top surface of the oil tank, each with a high-voltage cooling hole. Two low-voltage group boxes are located on one side of the oil tank, each with multiple low-voltage riser seats protruding from it, each with a low-voltage cooling hole. The internal cavities of the multiple high-voltage riser seats and the multiple low-voltage riser seats are all connected to the hollow cavity. A low-voltage connecting pipe is installed on each low-voltage cooling hole, and a high-voltage connecting pipe is installed on each high-voltage cooling hole. The multiple low-voltage connecting pipes and the multiple high-voltage connecting pipes are all connected to the main outlet pipe. Multiple upper radiator pipes are installed on the top of both sides of the oil tank, and multiple lower radiator pipes are installed on the bottom of both sides of the oil tank. A plate radiator is installed between each upper radiator pipe and each lower radiator pipe. A thermosiphon filter and pressure relief device are installed at the end of the oil tank away from the reservoir. A vertical temperature adjustment hole is recessed in the middle of the top surface of one end of the reservoir away from the reservoir. A circulation connection pipe is installed at the bottom of the hollow cavity near the reservoir. The circulation connection pipe is connected to the bottom of the return pipe. Circulation control holes are recessed on both sides of the bottom of the hollow cavity away from the reservoir. Longitudinal control holes are installed on both sides of the top of the hollow cavity away from the reservoir. The winding assembly is installed in multiple high-voltage riser seats and multiple low-voltage riser seats. The synchronous circulation assembly is installed in the hollow cavity. The vertical temperature adjustment assembly is installed in the upper vertical temperature adjustment hole. Two longitudinal control assemblies are installed in two longitudinal control holes respectively. Two circulation control assemblies are installed in two circulation control holes respectively.

[0006] As a further improvement of the present invention, the top and bottom of the hollow cavity near the liquid storage rack are respectively provided with arc-shaped guide blocks, the middle of the top surface of the hollow cavity near the liquid storage rack is provided with a main liquid inlet hole, the top of the main liquid inlet hole is provided with a main liquid inlet connecting pipe, the top of the main liquid inlet connecting pipe is connected to the liquid outlet main pipe, the two sides of the hollow cavity near the liquid storage rack are respectively provided with vertical sliding grooves, and the bottom surface of the hollow cavity away from the liquid storage rack is provided with a lower vertical temperature regulating hole.

[0007] As a further improvement of the present invention, the winding assembly includes multiple low-voltage windings and multiple high-voltage windings, with the multiple low-voltage windings respectively installed in multiple low-voltage riser seats and the multiple high-voltage windings respectively installed in multiple high-voltage riser seats.

[0008] As a further improvement of the present invention, the synchronous circulation assembly includes multiple synchronous adjusting shafts, multiple synchronous guide vanes, two vertical adjusting slide bars, two synchronous vertical motors, two synchronous electronic control groups, and two synchronous liquid guiding groups. The two ends of the multiple synchronous adjusting shafts are respectively installed at intervals along the height direction on both sides of the hollow cavity and are located between the vertical sliding groove and the main liquid inlet. The middle portions of the multiple synchronous guide vanes are respectively installed in the multiple synchronous adjusting shafts. Each synchronous guide vane has a strip-shaped sliding groove recessed on one end adjacent to the upper vertical temperature regulating hole on both sides. The two vertical adjusting slide bars slide... The system is dynamically installed in two vertical sliding grooves. Each vertical adjusting slide bar has multiple synchronous sliding rods protruding along the height direction in the middle of its inner wall. Each synchronous sliding rod is slidably installed in the strip-shaped sliding groove of multiple synchronous guide vanes. The top of the inner wall of the two vertical adjusting slide bars has a vertical adjusting rod protruding. The tops of the two synchronous vertical motors are respectively installed on both sides of the top surface of the hollow cavity. The output shafts of the two synchronous vertical motors are respectively connected to the two vertical adjusting rods. Two synchronous electrical control groups are respectively installed in the middle of both sides of the hollow cavity. Two synchronous liquid guiding groups are respectively installed in the two synchronous electrical control groups.

[0009] As a further improvement of the present invention, each synchronous electronic control group includes multiple synchronous rotating motors, which are respectively installed along the length direction in the middle of one side of the hollow cavity, and the multiple synchronous rotating motors are respectively arranged alternately with multiple lower radiator tubes; each synchronous liquid guiding group includes multiple synchronous inclined liquid guiding plates, which are respectively installed in the multiple synchronous rotating motors.

[0010] As a further improvement of the present invention, the vertical temperature control assembly includes a vertical liquid inlet pipe, an upper vertical mounting plate, a lower vertical mounting plate, a vertical circulation element, a vertical air pipe, and a temperature-controlled air pump. One end of the vertical liquid inlet pipe is installed in the liquid outlet pipe, and the upper vertical mounting plate is installed in the upper vertical temperature control hole. An upper air hole is recessed on one side of the top surface of the upper vertical mounting plate, and a liquid distribution box is recessed on the other side of the top surface of the upper vertical mounting plate. A liquid distribution inlet hole is recessed at the inner end of the liquid distribution box and is connected to the other end of the vertical liquid inlet pipe. Multiple upper vertical circulation elements are recessed on the bottom surface of the liquid distribution box. The lower vertical mounting plate is installed in the lower vertical temperature regulating hole. A temperature-controlled air seat is provided on one side of the lower vertical mounting plate, and a connecting box is provided on the other side of the lower vertical mounting plate. Multiple first circulation holes are recessed in the inner end of the connecting box, and multiple second circulation holes are recessed in the outer end of the connecting box. The multiple second circulation holes are respectively arranged opposite to multiple upper vertical circulation holes. The vertical circulation element is installed in the liquid separator and the connecting box. The top end of the vertical air pipe is installed in the upper air hole, and the bottom end of the vertical air pipe is installed in the top end of the temperature-controlled air seat. The temperature-controlled air pump is installed in the bottom end of the temperature-controlled air seat.

[0011] As a further improvement of the present invention, the vertical circulation element includes a plurality of first circulation pipes, a circulation outlet shell, and a plurality of second circulation pipes. The tops of the plurality of first circulation pipes are respectively installed in a plurality of upper vertical circulation holes, and the bottoms of the plurality of first circulation pipes are respectively installed in a plurality of second circulation holes. One side of the circulation outlet shell is installed on the top of the outer wall of the vertical air pipe. The bottom surface of the circulation outlet shell is recessed with a plurality of circulation outlet holes, and the inner end of the circulation outlet shell is recessed with a collection outlet groove. The bottoms of the plurality of second circulation pipes are respectively installed in a plurality of first circulation holes, and the tops of the plurality of second circulation pipes are respectively installed in a plurality of circulation outlet holes.

[0012] As a further improvement of the present invention, each longitudinal control component includes a longitudinal control housing, a longitudinal control motor, a longitudinal control blade, a transverse adjustment frame, and multiple transverse adjustment guide vanes. A longitudinal mounting hole is recessed in the middle of the outer end of the longitudinal control housing. The longitudinal control motor is installed in the longitudinal mounting hole, the longitudinal control blade is installed in the output shaft of the longitudinal control motor, the transverse adjustment frame is installed in the inner end of the longitudinal control housing, and multiple transverse adjustment guide vanes are respectively installed in the transverse adjustment frame by a transverse synchronous motor rotating along the width direction.

[0013] As a further improvement of the present invention, each circulation control component includes a circulation control turntable, a circulation frame shell, a circulation control motor, a circulation control blade, and a displacement guide element. The inner end of the outer wall of the circulation control turntable is rotatably installed in the circulation control hole. A circulation motor groove is recessed in the middle of the inner part of the circulation control turntable. The outer end of the circulation frame shell is installed on the inner end of the circulation control turntable. The circulation control motor is installed in the circulation motor groove. The circulation control blade is installed on the output shaft of the circulation control motor. The displacement guide element is rotatably installed on the inner end of the circulation frame shell.

[0014] As a further improvement of the present invention, the displacement guiding element includes a displacement adjusting motor, a displacement adjusting shaft, a displacement guiding shell, an inner guiding motor, an inner guiding shaft, and an inner guide vane. The displacement adjusting motor is installed on the top of one side of the circulating frame shell. The displacement adjusting shaft is rotatably installed on the top of the inner end of the circulating frame shell and is connected to the output shaft of the displacement adjusting motor. The top of the outer end of the displacement guiding shell is installed in the displacement adjusting shaft. An arc-shaped sliding shell is protruding from the bottom of the outer end of the displacement guiding shell and is slidably installed on the bottom of the inner end of the circulating frame shell. Inner guide holes are recessed in the middle of both sides of the displacement guiding shell. The inner guiding motor is installed in the middle of one side of the displacement guiding shell. The two ends of the inner guiding shaft are respectively installed in the two inner guide holes, and one end of the inner guiding shaft is connected to the output shaft of the inner guiding motor. The middle of the inner guide vane is installed in the middle of the inner guiding shaft.

[0015] The beneficial effects of this invention are as follows: 1. This design ensures direct and directional cooling of the winding assembly by the coolant. The coordinated use of a synchronous circulation assembly, two longitudinal control assemblies, and two circulation control assemblies guides the coolant circulation path, ensuring that the coolant circulation covers the hollow cavity, preventing hot and cold oil stratification, and ensuring uniform temperature distribution to avoid localized overheating. Furthermore, the vertical temperature control assembly achieves forced heat exchange over a large contact area, enhancing the heat exchange effect inside the cavity. Combined with vertical air pipes, a temperature-controlled air pump, a finned radiator, and a wind-cooled motor, air heat exchange is provided, resulting in a synergistic effect in heat exchange capacity and improved heat exchange efficiency.

[0016] 2. This solution enables real-time adjustment of the coolant circulation path, outflow angle, and flow rate, thereby allowing for real-time adjustment of the cooling circulation rate, the flow distribution ratio of the radiator, and the circulation path based on the load and ambient temperature, thus improving the transformer's real-time thermal management capabilities. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of an embodiment of the present invention.

[0018] Figure 2 This is a perspective view of another embodiment of the present invention.

[0019] Figure 3 This is an internal schematic diagram of an embodiment of the present invention.

[0020] Figure 4 This is an internal schematic diagram of another embodiment of the present invention.

[0021] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0022] Figure 6 This is a three-dimensional schematic diagram of a vertical temperature control component in one embodiment of the present invention.

[0023] Figure 7 This is an internal fracture view of a vertical temperature control component in one embodiment of the present invention.

[0024] Figure 8 This is a three-dimensional schematic diagram of the longitudinal control component in one embodiment of the present invention.

[0025] Figure 9 This is a three-dimensional schematic diagram of a cyclic control component in one embodiment of the present invention.

[0026] Figure 10 This is a schematic diagram of the internal structure of a cyclic control component in one embodiment of the present invention.

[0027] In the picture: 10. Oil tank; 11. Liquid storage rack; 12. Liquid storage tank; 121. Main liquid outlet pipe; 122. Return pipe; 13. Hollow cavity; 130. Upper vertical temperature adjustment hole; 131. Circulation connection pipe; 132. Circulation control hole; 133. Longitudinal control hole; 134. Arc-shaped guide block; 135. Main liquid inlet hole; 136. Main liquid inlet connection pipe; 137. Vertical chute; 138. Lower vertical temperature adjustment hole; 14. High-pressure riser seat; 141. High-pressure cooling hole; 142. High-pressure connection pipe; 15. Low-pressure assembly box; 16. Low-pressure riser seat; 162. Low-pressure connection pipe; 1 71. Upper radiator tube; 172. Lower radiator tube; 173. Plate radiator; 18. Thermosiphon filter; 19. Pressure relief device; 20. Winding assembly; 21. Low-voltage winding; 22. High-voltage winding; 30. Synchronous circulation assembly; 31. Synchronous adjusting shaft; 32. Synchronous guide vane; 33. Vertical adjusting slide bar; 331. Synchronous slide rod; 332. Vertical adjusting rod; 34. Synchronous vertical motor; 35. Synchronous electronic control group; 351. Synchronous rotating motor; 36. Synchronous liquid guiding group; 361. Synchronous tilting liquid guiding plate; 40. Vertical temperature control assembly; 41. Vertical 42. Liquid inlet pipe; 42. Upper vertical mounting plate; 421. Upper air vent; 422. Liquid separator; 423. Liquid inlet port; 424. Upper vertical circulation hole; 43. Lower vertical mounting plate; 431. Temperature-controlled air seat; 432. Connecting box; 433. First circulation hole; 434. Second circulation hole; 44. Vertical circulation element; 441. First circulation pipe; 442. Circulation outlet shell; 443. Second circulation pipe; 444. Circulation outlet hole; 445. Collecting outlet tank; 45. Vertical air pipe; 46. Temperature-controlled air pump; 50. Vertical adjustment component; 51. Vertical... 511. Longitudinal mounting hole; 52. Longitudinal control motor; 53. Longitudinal control blade; 54. Lateral adjustment frame; 55. Lateral adjustment guide vane; 60. Circulation control assembly; 61. Circulation control turntable; 611. Circulation motor slot; 62. Circulation frame shell; 63. Circulation control motor; 64. Circulation control blade; 65. Displacement guide element; 650. Inner guide shaft; 651. Displacement guide shell; 652. Displacement adjustment motor; 653. Displacement adjustment shaft; 654. Inner guide motor; 655. Inner guide vane; 656. Arc-shaped sliding shell. Detailed Implementation

[0028] To facilitate understanding of the present invention, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of the invention are shown in the drawings. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough and complete understanding of the disclosure of the invention.

[0029] In the description of this invention, it should be noted that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0031] Please see Figures 1 to 10A composite phase change cooling transformer with thermal management function includes an oil tank 10, a winding assembly 20, a synchronous circulation assembly 30, a vertical temperature regulation assembly 40, two longitudinal regulation assemblies 50, and two circulation regulation assemblies 60. A liquid storage rack 11 is installed at the inner end of the top surface of the oil tank 10. A liquid storage tank 12 is installed on the liquid storage rack 11. A liquid outlet main pipe 121 is installed in the middle of the bottom surface of the liquid storage tank 12. A return pipe 122 is installed on one side of the bottom surface of the liquid storage tank 12. The interior of the liquid storage tank 12 is hollow, forming a hollow cavity 13. Multiple high-voltage riser seats 14 protrude from both sides of the top surface of the oil tank 10. Each high-voltage riser seat... The oil tank 14 is equipped with a high-pressure cooling hole 141. Two low-pressure assembly boxes 15 are located on one side of the oil tank 10. Each low-pressure assembly box 15 has multiple low-pressure riser seats 16 protruding from it. Each low-pressure riser seat 16 has a low-pressure cooling hole. The internal cavities of the multiple high-pressure riser seats 14 and the multiple low-pressure riser seats 16 are all connected to the hollow cavity 13. Each low-pressure cooling hole is equipped with a low-pressure connecting pipe 162, and each high-pressure cooling hole 141 is equipped with a high-pressure connecting pipe 142. All multiple low-pressure connecting pipes 162 and multiple high-pressure connecting pipes 142 are connected to the liquid outlet main pipe 121. Multiple upper radiator pipes 171 are respectively installed on the top of both sides of the oil tank 10, and multiple lower radiator pipes 172 are respectively installed on the bottom of both sides of the oil tank 10. A plate radiator 173 is installed between each upper radiator pipe 171 and each lower radiator pipe 172. A thermosiphon filter 18 and a pressure relief device 19 are installed at the end of the oil tank 10 away from the liquid storage rack 11. A vertical temperature adjustment hole 130 is recessed in the middle of the top surface of one end of the liquid storage rack 11 away from the liquid storage rack 11. A circulation connection pipe 131 is installed at the bottom of the hollow cavity 13 adjacent to the liquid storage rack 11. The circulation connection pipe 131 is connected to the bottom of the return pipe 122. Next, the hollow cavity 13 has circulation control holes 132 recessed on both sides of the bottom of the end away from the liquid storage rack 11, and longitudinal control holes 133 are provided on both sides of the top of the end away from the liquid storage rack 11. The winding assembly 20 is installed in multiple high-pressure riser seats 14 and multiple low-pressure riser seats 16. The synchronous circulation assembly 30 is installed in the hollow cavity 13. The vertical temperature control assembly 40 is installed in the upper vertical temperature control hole 130. Two longitudinal control assemblies 50 are installed in two longitudinal control holes 133 respectively. Two circulation control assemblies 60 are installed in two circulation control holes 132 respectively.

[0032] The hollow cavity 13 has arc-shaped guide blocks 134 protruding from the top and bottom of one end adjacent to the liquid storage rack 11. The top surface of the hollow cavity 13 has a main liquid inlet hole 135 recessed in the middle of one end adjacent to the liquid storage rack 11. A main liquid inlet connecting pipe 136 is provided at the top of the main liquid inlet hole 135. The top of the main liquid inlet connecting pipe 136 is connected to the liquid outlet main pipe 121. Vertical sliding grooves 137 are recessed on both sides of the hollow cavity 13 at one end adjacent to the liquid storage rack 11. A lower vertical temperature regulating hole 138 is recessed on the bottom surface of the hollow cavity 13 at one end away from the liquid storage rack 11.

[0033] The winding assembly 20 includes multiple low-voltage windings 21 and multiple high-voltage windings 22. The multiple low-voltage windings 21 are respectively installed in multiple low-voltage riser seats 16, and the multiple high-voltage windings 22 are respectively installed in multiple high-voltage riser seats 14.

[0034] The synchronous circulation assembly 30 includes multiple synchronous adjusting shafts 31, multiple synchronous guide vanes 32, two vertical adjusting slide bars 33, two synchronous vertical motors 34, two synchronous electronic control groups 35, and two synchronous liquid guiding groups 36. The two ends of the multiple synchronous adjusting shafts 31 are respectively installed at intervals along the height direction on both sides of the hollow cavity 13 and located between the vertical slide groove 137 and the main liquid inlet 135. The middle portions of the multiple synchronous guide vanes 32 are respectively installed in the multiple synchronous adjusting shafts 31. Each synchronous guide vane 32 has a strip-shaped slide groove recessed on one end adjacent to the upper vertical temperature regulating hole 130 on both sides. The two vertical adjusting slide bars 33 are respectively slidably installed on the two... In the vertical slide groove 137, multiple synchronous slide rods 331 are protruding from the middle of the inner wall of each vertical adjusting slide bar 33 along the height direction. Each synchronous slide rod 331 is slidably installed in the strip-shaped slide groove of multiple synchronous guide vanes 32. Vertical adjusting rods 332 are protruding from the top of the inner wall of two vertical adjusting slide bars 33. The tops of two synchronous vertical motors 34 are respectively installed on both sides of the top surface of the hollow cavity 13. The output shafts of the two synchronous vertical motors 34 are respectively connected to the two vertical adjusting rods 332. Two synchronous electrical control groups 35 are respectively installed in the middle of both sides of the hollow cavity 13. Two synchronous liquid guiding groups 36 are respectively installed in the two synchronous electrical control groups 35.

[0035] Each synchronous control group 35 includes multiple synchronous rotating motors 351, which are respectively installed along the length direction in the middle of one side of the hollow cavity 13, and the multiple synchronous rotating motors 351 are alternately arranged with multiple lower radiator pipes 172; each synchronous liquid guiding group 36 includes multiple synchronous inclined liquid guiding plates 361, which are respectively installed in the multiple synchronous rotating motors 351.

[0036] The vertical temperature control assembly 40 includes a vertical liquid inlet pipe 41, an upper vertical mounting plate 42, a lower vertical mounting plate 43, a vertical circulation element 44, a vertical air pipe 45, and a temperature-controlled air pump 46. One end of the vertical liquid inlet pipe 41 is installed in the liquid outlet pipe 121. The upper vertical mounting plate 42 is installed in the upper vertical temperature control hole 130. An upper air hole 421 is recessed on one side of the top surface of the upper vertical mounting plate 42, and a liquid distribution box 422 is recessed on the other side of the top surface of the upper vertical mounting plate 42. A liquid distribution inlet hole 423 is recessed at the inner end of the liquid distribution box 422 and is connected to the other end of the vertical liquid inlet pipe 41. A plurality of upper vertical circulation holes 424 are recessed on the bottom surface of the liquid distribution box 422. The lower vertical mounting plate 45... 3. Installed in the lower vertical temperature regulating hole 138, a temperature-controlled air seat 431 is provided on one side of the lower vertical mounting plate 43, and a connecting box 432 is provided on the other side of the lower vertical mounting plate 43. Multiple first circulation holes 433 are recessed in the inner end of the connecting box 432, and multiple second circulation holes 434 are recessed in the outer end of the connecting box 432. The multiple second circulation holes 434 are respectively arranged opposite to multiple upper vertical circulation holes 424. The vertical circulation element 44 is installed in the liquid separator 422 and the connecting box 432. The top end of the vertical air pipe 45 is installed in the upper air hole 421, and the bottom end of the vertical air pipe 45 is installed in the top end of the temperature-controlled air seat 431. The temperature-controlled air pump 46 is installed in the bottom end of the temperature-controlled air seat 431.

[0037] The vertical circulation element 44 includes multiple first circulation pipes 441, a circulation outlet shell 442, and multiple second circulation pipes 443. The tops of the multiple first circulation pipes 441 are respectively installed in multiple upper vertical circulation holes 424, and the bottoms of the multiple first circulation pipes 441 are respectively installed in multiple second circulation holes 434. One side of the circulation outlet shell 442 is installed on the top of the outer wall of the vertical air pipe 45. The bottom surface of the circulation outlet shell 442 is recessed with multiple circulation outlet holes 444, and the inner end of the circulation outlet shell 442 is recessed with a collection outlet groove 445. The bottoms of the multiple second circulation pipes 443 are respectively installed in multiple first circulation holes 433, and the tops of the multiple second circulation pipes 443 are respectively installed in multiple circulation outlet holes 444.

[0038] Each longitudinal control assembly 50 includes a longitudinal control housing 51, a longitudinal control motor 52, a longitudinal control blade 53, a transverse adjustment frame 54, and multiple transverse adjustment guide vanes 55. The longitudinal control housing 51 has a longitudinal mounting hole 511 recessed in the middle of its outer end. The longitudinal control motor 52 is installed in the longitudinal mounting hole 511. The longitudinal control blade 53 is installed in the output shaft of the longitudinal control motor 52. The transverse adjustment frame 54 is installed in the inner end of the longitudinal control housing 51. The multiple transverse adjustment guide vanes 55 are respectively installed in the transverse adjustment frame 54 by rotating along the width direction via a transverse synchronous motor.

[0039] Each circulation control assembly 60 includes a circulation control turntable 61, a circulation frame housing 62, a circulation control motor 63, a circulation control blade 64, and a displacement guide element 65. The inner end of the outer wall of the circulation control turntable 61 is rotatably installed in the circulation control hole 132. A circulation motor groove 611 is recessed in the middle of the interior of the circulation control turntable 61. The outer end of the circulation frame housing 62 is installed on the inner end of the circulation control turntable 61. The circulation control motor 63 is installed in the circulation motor groove 611. The circulation control blade 64 is installed on the output shaft of the circulation control motor 63. The displacement guide element 65 is rotatably installed on the inner end of the circulation frame housing 62.

[0040] The displacement guide element 65 includes a displacement adjusting motor 652, a displacement adjusting shaft 653, a displacement guide housing 651, an inner guide motor 654, an inner guide shaft 650, and an inner guide vane 655. The displacement adjusting motor 652 is mounted on the top of one side of the circulation frame housing 62. The displacement adjusting shaft 653 is rotatably mounted on the top of the inner end of the circulation frame housing 62 and is connected to the output shaft of the displacement adjusting motor 652. The top of the outer end of the displacement guide housing 651 is mounted on the displacement adjusting shaft 653. In the middle, an arc-shaped sliding shell 656 is provided at the bottom of the outer end of the displacement guide shell 651. The arc-shaped sliding shell 656 is slidably installed at the bottom of the inner end of the circulation frame shell 62. Inner guide holes are recessed in the middle of both sides of the displacement guide shell 651. The inner guide motor 654 is installed in the middle of one side of the displacement guide shell 651. The two ends of the inner guide shaft 650 are respectively installed in the two inner guide holes, and one end of the inner guide shaft 650 is connected to the output shaft of the inner guide motor 654. The middle of the inner guide vane 655 is installed in the middle of the inner guide shaft 650.

[0041] For example, in one embodiment: a circulation regulating motor is provided on the bottom side of the oil tank 10 away from the liquid storage rack 11, and a transmission belt is provided between the output shaft of the circulation regulating motor and the outer end of the outer wall of the circulation regulating turntable 61. A pressure pump is provided in the liquid distribution box 422 to pressurize and deliver the coolant entering from the liquid distribution inlet 423. The synchronous tilting liquid guide plate 361 tilts outward, and the synchronous tilting liquid guide plates 361 in the two synchronous liquid guide groups 36 located on both sides of the hollow cavity 13 tilt in opposite directions. An air-cooled motor is provided at the bottom of the plate radiator 173.

[0042] For example, in one embodiment: when the composite phase change cooling transformer is running, the oil tank 10 will deliver coolant from the outlet pipe 121 and flow through multiple low-voltage connecting pipes 162 and multiple high-voltage connecting pipes 142 to multiple low-voltage riser seats 16 and multiple high-voltage riser seats 14 to cool the multiple low-voltage windings 21 and multiple high-voltage windings 22 located therein, and cause the coolant to flow back into the hollow cavity 13 to improve the cooling effect. Furthermore, the longitudinal control motors 52 of the two longitudinal control components 50 and the circulation control motors 63 of the two circulation control components 60 will be activated. The longitudinal control motors 52 will drive the longitudinal control blades 53 to rotate, thereby sending the coolant, which has been heated by cooling multiple low-voltage windings 21 and multiple high-voltage windings 22, to one end of the bottom surface of the hollow cavity 13 near the liquid storage rack 11. Under the guidance of the two arc-shaped guide blocks 134 and multiple synchronous guide vanes 32, the coolant moves downward and cyclically toward one end of the circulation control hole 132. At the same time, the activation of the circulation control motors 63 will drive the circulation control blades 64 to rotate, thereby drawing the coolant with a lower temperature at the bottom of the hollow cavity 13 into the circulation frame shell 62. The coolant is then guided upward by the displacement guide shell 651 and flows into the coolant moving due to the rotation of the longitudinal control blades 53, accelerating the circulation of the coolant inside the hollow cavity 13.

[0043] Simultaneously, the coolant inside the storage tank 12 will enter the distribution box 422 along the outlet pipe 121 and the vertical inlet pipe 41. Under the pumping of the pressurized pump, it will flow out from the collection outlet tank 445 of the circulation outlet shell 442 through multiple first circulation pipes 441, connecting box 432 and multiple second circulation pipes 443. This will allow for rapid and large-area temperature exchange of the coolant flowing upward from the bottom of the hollow cavity 13. At the same time, the temperature-controlled air pump 46 will also start simultaneously, which will quickly draw in the cooling air from the bottom outside and allow it to flow upward through the vertical air pipe 45. The vertical air pipe 45 will also further exchange the temperature of the coolant flowing through it, improving the cooling effect and ensuring a balanced temperature distribution among the multiple components inside the equipment.

[0044] In addition, when the coolant circulates in the middle of the hollow cavity 13, a portion of it will be guided by multiple synchronously tilted guide vanes 361 into multiple lower radiator tubes 172 and multiple upper radiator tubes 171, thereby quickly dissipating heat into the plate radiator 173 between the upper radiator tubes 171 and the lower radiator tubes 172. At the same time, multiple air-cooled motors at the bottom will start, thereby rapidly exchanging heat with the outside air and further improving the cooling effect.

[0045] For example, in one embodiment: when it is necessary to adjust the cooling circulation effect, the displacement adjustment motor 652 will be activated, thereby driving the displacement adjustment shaft 653 to rotate, which in turn causes the displacement guide shell 651 to rotate accordingly, thereby adjusting the angle of the coolant tilt delivery. The inner guide motor 654 can also be activated, thereby driving the inner guide vane 655 to move accordingly, thereby further adjusting the delivery angle. Additionally, the circulation adjustment motor can also be activated, thereby driving the circulation control turntable 61 to rotate, thereby further adjusting the coolant delivery path. Furthermore, when the circulation control component 60 is adjusted, the horizontal synchronous motor, the two synchronous vertical motors 34, and the multiple synchronous rotation motors 351 will also be adjusted synchronously. The horizontal synchronous motor will adjust multiple horizontal... The guide vane 55 is adjusted to regulate the lateral flow direction of the coolant. Two synchronous vertical motors 34 drive two vertical adjusting slide bars 33 to slide along the vertical slide groove 137, thereby driving multiple synchronous slide rods 331 to slide accordingly. Since the synchronous slide rods 331 are respectively slidably installed in the strip-shaped slide grooves of multiple synchronous guide vanes 32, the tilt direction of multiple synchronous guide vanes 32 is adjusted, thereby regulating the coolant return direction. Multiple synchronous rotating motors 351 adjust the tilt angle of multiple synchronous tilting guide vanes 361, thereby adjusting the flow direction of the coolant in the middle of the hollow cavity 13 and the flow angle into the lower radiator pipe 172 and the upper radiator pipe 171, ensuring circulation effect, avoiding flow dead zones, and making the flow evenly distributed.

[0046] Installation process: Multiple low-voltage windings 21 are installed in multiple low-voltage riser seats 16, and multiple high-voltage windings 22 are installed in multiple high-voltage riser seats 14. Multiple synchronous adjustment shafts 31 are installed at intervals along the height direction on both sides of the hollow cavity 13, positioned between the vertical slide groove 137 and the main liquid inlet 135. Multiple synchronous guide vanes 32 are partially installed in the multiple synchronous adjustment shafts 31. Two vertical adjustment slide bars 33 are slidably installed in two vertical slide grooves 137. Each synchronous slide rod 331 is slidably installed in the strip-shaped slide groove of the multiple synchronous guide vanes 32. The tops of two synchronous vertical motors 34 are respectively installed on both sides of the top surface of the hollow cavity 13. The output shafts of the two synchronous vertical motors 34 are respectively connected to two... A vertical adjusting rod 332 is connected. Two synchronous electric control groups 35 are respectively installed in the middle of both sides of the hollow cavity 13. Two synchronous liquid guiding groups 36 are respectively installed in the two synchronous electric control groups 35. Multiple synchronous rotating motors 351 are respectively installed along the length direction in the middle of one side of the hollow cavity 13, and the multiple synchronous rotating motors 351 are alternately arranged with multiple lower radiator pipes 172. Multiple synchronous inclined liquid guiding plates 361 are respectively installed in the multiple synchronous rotating motors 351. One end of the vertical liquid inlet pipe 41 is installed in the liquid outlet main pipe 121. The upper vertical mounting plate 42 is installed in the upper vertical temperature regulating hole 130. The liquid distribution inlet hole 423 is connected to the other end of the vertical liquid inlet pipe 41. The lower vertical mounting plate 43 is installed in the lower vertical temperature regulating hole 138. The top end of the air pipe 45 is installed in the upper air hole 421, the bottom end of the vertical air pipe 45 is installed in the top end of the temperature-controlled air base 431, the temperature-controlled air pump 46 is installed in the bottom end of the temperature-controlled air base 431, the top ends of multiple first circulation pipes 441 are respectively installed in multiple upper vertical circulation holes 424, the bottom ends of multiple first circulation pipes 441 are respectively installed in multiple second circulation holes 434, one side of the circulation outlet shell 442 is installed on the top of the outer wall of the vertical air pipe 45, the bottom ends of multiple second circulation pipes 443 are respectively installed in multiple first circulation holes 433, the top ends of multiple second circulation pipes 443 are respectively installed in multiple circulation outlet holes 444, the longitudinal control motor 52 is installed in the longitudinal mounting hole 511, and the longitudinal control blade 53 is installed in the longitudinal control motor. In the output shaft of 52, the lateral adjustment frame 54 is installed inside the longitudinal adjustment housing 51. Multiple lateral adjustment guide vanes 55 are respectively rotatably installed in the lateral adjustment frame 54 along the width direction by a lateral synchronous motor. The inner end of the outer wall of the circulation control turntable 61 is rotatably installed in the circulation control hole 132. The outer end of the circulation frame housing 62 is installed inside the circulation control turntable 61. The circulation control motor 63 is installed in the circulation motor slot 611. The circulation control blade 64 is installed on the output shaft of the circulation control motor 63. The inner side of the displacement adjustment motor 652 is installed on the top side of one side of the circulation frame housing 62. The displacement adjustment shaft 653 is rotatably installed on the top of the inner end of the circulation frame housing 62, and the displacement adjustment shaft 653 is connected to the output shaft of the displacement adjustment motor 652.The top of the outer end of the displacement guide housing 651 is installed in the displacement adjustment shaft 653. The arc-shaped sliding housing 656 is slidably installed in the bottom of the inner end of the circulating frame housing 62. The inner guide motor 654 is installed in the middle of one side of the displacement guide housing 651. The two ends of the inner guide shaft 650 are respectively installed in two inner guide holes, and one end of the inner guide shaft 650 is connected to the output shaft of the inner guide motor 654. The middle of the inner guide vane 655 is installed in the middle of the inner guide shaft 650.

[0047] This invention can achieve: 1. This invention ensures direct and directional cooling of the winding assembly 20 by the coolant, and utilizes the coordination of the synchronous circulation assembly 30, two longitudinal control assemblies 50 and two circulation control assemblies 60 to guide the coolant circulation path, ensuring that the coolant circulation covers the hollow cavity 13, avoiding the stratification of hot and cold oil, ensuring uniform temperature distribution, and avoiding local overheating. In addition, the vertical temperature control assembly 40 achieves forced heat exchange with a large contact area, enhancing the heat exchange effect inside the cavity, and in conjunction with the vertical air pipe 45, temperature-controlled air pump 46, plate radiator 173 and air-cooled motor to provide air heat exchange effect, achieving superposition of heat exchange capacity and improving heat exchange efficiency.

[0048] 2. This invention can adjust the coolant circulation path, outflow angle and flow rate in real time, thereby enabling real-time adjustment of the cooling circulation rate, the flow ratio of the finned radiator 173 and the circulation path according to the load and ambient temperature, thus improving the real-time thermal management capability of the transformer.

[0049] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A composite phase change cooling transformer with thermal management function, characterized in that: The oil tank (10) includes a winding assembly (20), a synchronous circulation assembly (30), a vertical temperature control assembly (40), two longitudinal control assemblies (50), and two circulation control assemblies (60). A liquid storage rack (11) is provided at the inner end of the top surface of the oil tank (10). A liquid storage tank (12) is provided on the liquid storage rack (11). A liquid outlet pipe (121) is provided in the middle of the bottom surface of the liquid storage tank (12). A return pipe (122) is provided on one side of the bottom surface of the liquid storage tank (12). The inside of the liquid storage tank (12) is hollow, forming a hollow cavity (13). Multiple high-pressure riser seats (14) are protruding on both sides of the top surface of the oil tank (10). Each high-pressure riser seat (14) is provided with a high-pressure cooling hole. (141) Two low-pressure assembly boxes (15) are provided on one side of the oil tank (10). Each low-pressure assembly box (15) is provided with multiple low-pressure riser seats (16). Each low-pressure riser seat (16) is provided with a low-pressure cooling hole. The internal cavities of the multiple high-pressure riser seats (14) and the multiple low-pressure riser seats (16) are all connected to the hollow cavity (13). Each low-pressure cooling hole is provided with a low-pressure connecting pipe (162). Each high-pressure cooling hole (141) is provided with a high-pressure connecting pipe (142). The multiple low-pressure connecting pipes (162) and the multiple high-pressure connecting pipes (142) are all connected to the liquid outlet main pipe (121). The top of both sides of the oil tank (10) are respectively provided with There are multiple upper radiator pipes (171), and multiple lower radiator pipes (172) are respectively provided on the bottom of both sides of the oil tank (10). A plate radiator (173) is provided between each upper radiator pipe (171) and each lower radiator pipe (172). A thermosiphon filter (18) and a pressure relief device (19) are provided at the end of the oil tank (10) away from the liquid storage rack (11). A vertical temperature adjustment hole (130) is recessed in the middle of the top surface of one end of the liquid storage rack (11) away from the liquid storage rack (11). A circulation connection pipe (131) is provided at the bottom of the hollow cavity (13) near the liquid storage rack (11). The circulation connection pipe (131) is connected to the bottom of the return pipe (122). The hollow cavity (13) has two recessed circulation control holes (132) on both sides of the bottom of the end away from the liquid storage rack (11). The hollow cavity (13) has two longitudinal control holes (133) on both sides of the top of the end away from the liquid storage rack (11). The winding assembly (20) is installed in multiple high-pressure riser seats (14) and multiple low-pressure riser seats (16). The synchronous circulation assembly (30) is installed in the hollow cavity (13). The vertical temperature control assembly (40) is installed in the upper vertical temperature control hole (130). The two longitudinal control assemblies (50) are installed in the two longitudinal control holes (133) respectively. The two circulation control assemblies (60) are installed in the two circulation control holes (132) respectively.

2. The composite phase change cooling transformer with thermal management function according to claim 1, characterized in that: The top and bottom of the hollow cavity (13) adjacent to the liquid storage rack (11) are respectively provided with arc-shaped guide blocks (134). The top surface of the hollow cavity (13) adjacent to the liquid storage rack (11) is provided with a main liquid inlet hole (135) in the middle. The top of the main liquid inlet hole (135) is provided with a main liquid inlet connecting pipe (136). The top of the main liquid inlet connecting pipe (136) is connected to the liquid outlet pipe (121). The two sides of the hollow cavity (13) adjacent to the liquid storage rack (11) are respectively provided with vertical sliding grooves (137). The bottom surface of the hollow cavity (13) away from the liquid storage rack (11) is provided with a lower vertical temperature regulating hole (138).

3. The composite phase change cooling transformer with thermal management function according to claim 2, characterized in that: The winding assembly (20) includes multiple low-voltage windings (21) and multiple high-voltage windings (22). The multiple low-voltage windings (21) are respectively installed in multiple low-voltage riser seats (16), and the multiple high-voltage windings (22) are respectively installed in multiple high-voltage riser seats (14).

4. The composite phase change cooling transformer with thermal management function according to claim 3, characterized in that: The synchronous circulation assembly (30) includes multiple synchronous adjusting shafts (31), multiple synchronous guide vanes (32), two vertical adjusting slide bars (33), two synchronous vertical motors (34), two synchronous electronic control groups (35), and two synchronous liquid guiding groups (36). The two ends of the multiple synchronous adjusting shafts (31) are respectively installed at intervals along the height direction on both sides of the hollow cavity (13) and located between the vertical slide groove (137) and the main liquid inlet (135). The middle parts of the multiple synchronous guide vanes (32) are respectively installed in the multiple synchronous adjusting shafts (31). Each synchronous guide vane (32) has a strip-shaped slide groove recessed at one end near the upper vertical temperature regulating hole (130) on both sides. The two vertical adjusting slide bars (33) are respectively slidably installed on the two vertical sliding holes (130). In each vertical slide groove (137), a plurality of synchronous slide rods (331) are protruding along the height direction in the middle of the inner wall of each vertical adjusting slide bar (33). Each synchronous slide rod (331) is slidably installed in the strip-shaped slide groove of a plurality of synchronous guide vanes (32). A vertical adjusting rod (332) is protruding from the top of the inner wall of two vertical adjusting slide bars (33). The tops of two synchronous vertical motors (34) are respectively installed on both sides of the top surface of the hollow cavity (13). The output shafts of the two synchronous vertical motors (34) are respectively connected to the two vertical adjusting rods (332). Two synchronous electrical control groups (35) are respectively installed in the middle of both sides of the hollow cavity (13). Two synchronous liquid guiding groups (36) are respectively installed in the two synchronous electrical control groups (35).

5. The composite phase change cooling transformer with thermal management function according to claim 4, characterized in that: Each synchronous control group (35) includes multiple synchronous rotating motors (351), which are installed along the length direction in the middle of one side of the hollow cavity (13), and the multiple synchronous rotating motors (351) are alternately arranged with multiple lower radiator pipes (172); each synchronous liquid guiding group (36) includes multiple synchronous inclined liquid guiding plates (361), which are installed in the multiple synchronous rotating motors (351).

6. The composite phase change cooling transformer with thermal management function according to claim 5, characterized in that: The vertical temperature control assembly (40) includes a vertical inlet pipe (41), an upper vertical mounting plate (42), a lower vertical mounting plate (43), a vertical circulation element (44), a vertical air pipe (45), and a temperature-controlled air pump (46). One end of the vertical inlet pipe (41) is installed in the outlet pipe (121), and the upper vertical mounting plate (42) is installed in the upper vertical temperature control hole (130). An upper air hole (421) is recessed on one side of the top surface of the upper vertical mounting plate (42), and a liquid distribution box (422) is recessed on the other side of the top surface of the upper vertical mounting plate (42). A liquid distribution inlet hole (423) is recessed at the inner end of the liquid distribution box (422), and the liquid distribution inlet hole (423) is connected to the other end of the vertical inlet pipe (41). A plurality of upper vertical circulation holes (424) are recessed on the bottom surface of the liquid distribution box (422), and the lower vertical mounting plate (43) is recessed in the outlet pipe (121). 43) Installed in the lower vertical temperature adjustment hole (138), a temperature control air seat (431) is provided on one side of the lower vertical mounting plate (43), and a connecting box (432) is provided on the other side of the lower vertical mounting plate (43). Multiple first circulation holes (433) are recessed in the inner end of the connecting box (432), and multiple second circulation holes (434) are recessed in the outer end of the connecting box (432). Multiple second circulation holes (434) are respectively arranged opposite to multiple upper vertical circulation holes (424). The vertical circulation element (44) is installed in the liquid separator (422) and the connecting box (432). The top end of the vertical air pipe (45) is installed in the upper air hole (421), the bottom end of the vertical air pipe (45) is installed in the top end of the temperature control air seat (431), and the temperature control air pump (46) is installed in the bottom end of the temperature control air seat (431).

7. The composite phase change cooling transformer with thermal management function according to claim 6, characterized in that: The vertical circulation element (44) includes multiple first circulation pipes (441), a circulation outlet shell (442), and multiple second circulation pipes (443). The tops of the multiple first circulation pipes (441) are respectively installed in multiple upper vertical circulation holes (424), and the bottoms of the multiple first circulation pipes (441) are respectively installed in multiple second circulation holes (434). One side of the circulation outlet shell (442) is installed on the top of the outer wall of the vertical air pipe (45). The bottom surface of the circulation outlet shell (442) is recessed with multiple circulation outlet holes (444), and the inner end of the circulation outlet shell (442) is recessed with a collection outlet groove (445). The bottoms of the multiple second circulation pipes (443) are respectively installed in multiple first circulation holes (433), and the tops of the multiple second circulation pipes (443) are respectively installed in multiple circulation outlet holes (444).

8. The composite phase change cooling transformer with thermal management function according to claim 7, characterized in that: Each longitudinal control assembly (50) includes a longitudinal control housing (51), a longitudinal control motor (52), a longitudinal control blade (53), a transverse adjustment frame (54), and multiple transverse adjustment guide vanes (55). The longitudinal control housing (51) has a longitudinal mounting hole (511) recessed in the middle of its outer end. The longitudinal control motor (52) is installed in the longitudinal mounting hole (511). The longitudinal control blade (53) is installed in the output shaft of the longitudinal control motor (52). The transverse adjustment frame (54) is installed in the inner end of the longitudinal control housing (51). Multiple transverse adjustment guide vanes (55) are respectively installed in the transverse adjustment frame (54) by rotating along the width direction via a transverse synchronous motor.

9. The composite phase change cooling transformer with thermal management function according to claim 8, characterized in that: Each circulation control component (60) includes a circulation control turntable (61), a circulation frame housing (62), a circulation control motor (63), a circulation control blade (64), and a displacement guide element (65). The inner end of the outer wall of the circulation control turntable (61) is rotatably installed in the circulation control hole (132). The circulation control turntable (61) has a recessed circulation motor groove (611) in the middle of its interior. The outer end of the circulation frame housing (62) is installed in the inner end of the circulation control turntable (61). The circulation control motor (63) is installed in the circulation motor groove (611). The circulation control blade (64) is installed on the output shaft of the circulation control motor (63). The displacement guide element (65) is rotatably installed in the inner end of the circulation frame housing (62).

10. The composite phase change cooling transformer with thermal management function according to claim 9, characterized in that: The displacement guide element (65) includes a displacement adjusting motor (652), a displacement adjusting shaft (653), a displacement guide housing (651), an inner guide motor (654), an inner guide shaft (650), and an inner guide vane (655). The displacement adjusting motor (652) is mounted on the top of one side of the circulating frame housing (62). The displacement adjusting shaft (653) is rotatably mounted on the top of the inner end of the circulating frame housing (62), and the displacement adjusting shaft (653) is connected to the output shaft of the displacement adjusting motor (652). The top of the outer end of the displacement guide housing (651) is mounted on the displacement adjusting shaft (652). In 53), an arc-shaped sliding shell (656) is provided at the bottom of the outer end of the displacement guide shell (651). The arc-shaped sliding shell (656) is slidably installed at the bottom of the inner end of the circulation frame shell (62). Inner guide holes are recessed in the middle of both sides of the displacement guide shell (651). The inner guide motor (654) is installed in the middle of one side of the displacement guide shell (651). The two ends of the inner guide shaft (650) are respectively installed in the two inner guide holes, and one end of the inner guide shaft (650) is connected to the output shaft of the inner guide motor (654). The middle of the inner guide vane (655) is installed in the middle of the inner guide shaft (650).

Images