Magnetic integrated high-efficiency transformer with adjustable built-in magnetic core

Abstract

The invention relates to the field of magnetic integrated transformers, particularly discloses a magnetic integrated high-efficiency transformer with an adjustable built-in magnetic core, and solves the problems that an existing magnetic integrated high-efficiency transformer cannot adjust a magnetic core air gap, cannot guarantee the energy transmission efficiency and cannot be universally used with various topologies. The invention relates to a high-voltage transformer which comprises a base box, a shell frame, a transformer framework, a primary winding, a secondary winding, an inductance framework, an inductance coil, a movable magnetic side column, a movable magnetic core, a stud, a threaded cylinder, a side gear, a main gear, a bevel gear, a rotating shaft, a telescopic piece, a disc, a frame body, a driving assembly, a cross-shaped clamping groove disc, a limiting assembly and a linkage assembly. And the disc is adjusted to be matched with the rotating shafts on two different radial sides. According to the device, the magnetic core can be accurately and stably adjusted, so that corresponding adjustment under different voltages is realized by changing the air gap of the magnetic core, the energy transmission efficiency is ensured, and the general stability is also improved.

Description

Technical Field

[0001] This invention relates to the field of magnetically integrated transformers, and in particular to a magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core. Background Technology

[0002] A magnetically integrated high-efficiency transformer is a type of transformer that integrates multiple magnetic components (such as inductors and transformers) through magnetic circuit design to achieve efficient energy conversion. It is widely used in the field of power electronics. Based on magnetic integration technology, a magnetically integrated high-efficiency transformer achieves the functions of multiple inductors and transformers through a single inductor or transformer. From a magnetic flux perspective, it can be divided into decoupled and coupled designs. In a decoupled design, multiple inductors and transformers, except for sharing a common magnetic core, do not have magnetic flux coupling; the magnetic circuit model is independent, and the design and analysis are relatively simple. In a coupled design, there is magnetic flux coupling between inductors and transformers, making the design and analysis more complex, but the degree of magnetic integration is higher.

[0003] However, traditional magnetically integrated transformers have fixed magnetic circuit parameters, achieving optimal efficiency only under their designed rated operating conditions. Once the input voltage, output power, or operating frequency deviates from these rated values, problems such as increased core losses, leakage inductance mismatch, and decreased power factor occur. It is impossible to adjust the permeability by changing the core air gap to avoid core saturation or increase permeability, thus compromising energy transfer efficiency. Furthermore, they cannot adapt to different topologies, such as LLC and DAB, which have varying operating frequencies. Therefore, this paper proposes a magnetically integrated high-efficiency transformer with an adjustable built-in core. Summary of the Invention

[0004] To overcome the shortcomings of existing technologies, this invention proposes a magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core. This solves the problems of existing magnetically integrated high-efficiency transformers, which cannot adjust the air gap of the magnetic core, resulting in fixed magnetic circuit parameters, inability to effectively avoid magnetic core saturation or increase permeability, inability to guarantee energy transmission efficiency, and inability to be universally compatible with various topologies.

[0005] To solve the above-mentioned technical problems, the basic technical solution proposed by this invention is as follows: An adjustable magnetic integrated high-efficiency transformer with a built-in magnetic core includes a base box, a frame mounted on the base box, a transformer skeleton mounted on the base box inside the frame, a primary winding and a secondary winding wound on the two outer sides of the transformer skeleton, an inductor skeleton mounted on one side of the frame, and an inductor coil wound on the outer side of the inductor skeleton. Moving magnetic side posts that slide within the frame are provided on both sides of the primary and secondary windings. Moving magnetic cores that slide within the primary and secondary windings are also slidably mounted at both ends of the transformer skeleton. Studs are connected to the outer sides of the moving magnetic side posts and the moving magnetic cores. A threaded cylinder is threaded onto the outer side of each stud, and the threaded cylinder rotates through and extends to the outer side of the frame. A side gear is connected to the outer extension end of the threaded cylinder on the moving magnetic side post, and adjacent side gears are meshed with a main gear. Both the threaded cylinder on the moving magnetic core and the main gear are fitted with bevel gears. Multiple rotating shafts, each with the same bevel gear, are arranged in an array on the base box and rotate through its inner and outer sides. Multiple telescopic components are installed on the upper inner wall of the base box, and a disc is connected to the lower output end of each telescopic component. A frame is rotatably fitted around the outside of the disc, and a drive assembly is installed on the frame. This drive assembly drives the rotating shafts on both radial sides to rotate, adjusting the spacing between the moving magnetic core or the moving magnetic side post. A cross-shaped slot disc is fitted at one end of each rotating shaft inside the base box. A limit assembly is installed inside the base box to limit the cross-shaped slot disc and ensure its stability. A linkage assembly is also provided between the frame and the inner wall of the base box. This linkage assembly rotates 90° when the frame moves downwards, adjusting the engagement between the frame and the rotating shafts on different radial sides.

[0006] Preferably, a fixed magnetic side post is also installed on one side of the housing, which is sleeved on the outside of the inductor frame and the inductor coil. A fixed magnetic core inserted in the center of the inductor frame and the inductor coil is connected to the fixed magnetic side post. The rotating shaft is arranged in a circumferential array on the base box, and the bevel gears fitted on the rotating shaft mesh with the corresponding bevel gears on the moving magnetic core or the main gear.

[0007] Preferably, the bottom of the transformer frame is equipped with mounting pins, and the frame is mounted on the base box via the mounting pins. A guide rod is connected between the inner walls of the two sides of the frame, and a sleeve that is slidably sleeved on the outside of the guide rod is connected to each of the moving magnetic side columns.

[0008] Preferably, the limiting assembly includes a second guide rod, a brake sleeve, a third guide rod, and a sliding plate. The second guide rod is located on both sides of the rotating shaft inside the base box and is connected to the inner wall of the base box. The brake sleeve is slidably sleeved on the outside of the second guide rod. The third guide rod is also located on both sides of the rotating shaft inside the base box and is connected to the inner wall of the base box. The sliding plate is slidably sleeved on the outside of the third guide rod, and a second spring sleeved on the outside of the third guide rod is connected between the sliding plate and the inner wall of the base box. A rotating plate is rotatably connected between the sliding plate and the brake sleeve on each side.

[0009] Preferably, the drive assembly includes a servo motor, a large pulley, a rotating base, a first gear, a sleeve, a cross-shaped locking mechanism, a second gear, and a small pulley. The servo motor is mounted on the upper inner wall of the frame. The large pulley is fitted onto the lower output end of the servo motor. The rotating base is rotatably mounted on both sides of the frame. The first gear is fitted onto the outer side of the rotating base. The sleeve is connected to the upper end of the rotating base. The cross-shaped locking mechanism is slidably fitted inside the sleeve, with one end extending to the outer side of the sleeve to engage with the cross-shaped locking slot, and the other end connected to the inner wall of the sleeve by a spring. The second gear is rotatably fitted onto both sides of the frame and meshes with the first gear on each side. The small pulley is connected to the upper end of the first gear. The small pulleys on both sides and the large pulley in the middle are fitted with a belt on their outer sides. Stable frames are also rotatably fitted onto the outer side of the rotating base on both sides of the frame. The upper end of the stable frame abuts against the lower end face of the sliding plate on each side.

[0010] Preferably, the upper end of the sleeve has a cross opening, the cross key slides along the sleeve axis within the cross opening, the frame is convex, the rotating seat and the second gear are respectively located on both sides of the frame, and square openings for the belt to pass through are also provided on both sides of the frame.

[0011] Preferably, a fan blade is fitted at the lower end of the large pulley, a cleaning brush that cooperates with the fan blade is installed on the lower inner wall of the base box, and the frame is slidably fitted on the outside of the cleaning brush. The upper and lower ends of the base box are respectively provided with grille air holes.

[0012] Preferably, the adjustment assembly includes a ratchet ring, a limiting slide frame, a second rotating plate, and a ratchet. The ratchet ring is fitted onto the upper end of the frame and is coaxially arranged with the disc. The limiting slide frame array is slidably fitted onto both sides of the frame and is arranged parallel to each other. The ends of the limiting slide frames on both sides are rotatably connected to the inner wall of the base box by the second rotating plate. The ratchet is slidably fitted into the limiting slide frame, and one side extends to the outside of the limiting slide frame to engage with the ratchet ring. Multiple springs are evenly spaced between the ratchet and the inner wall of the limiting slide frame on one side of the ratchet.

[0013] Preferably, the disc is connected to a connecting frame, and the connecting frame is connected to four parallel guide rods on both sides. The four guide rods are located above the two sides of the frame, and the lower end of each limiting slide frame is slidably sleeved on the outside of its respective guide rod four.

[0014] Preferably, a damping ring is fitted on the outer side of the frame, and a damping cylinder is fitted on the lower inner wall of the base box. The damping ring dampens rotation within the damping cylinder and dampens sliding along the axial direction of the damping cylinder.

[0015] The beneficial effects of this invention are: 1. The technical solution of the present invention increases the air gap of the magnetic core and reduces the equivalent permeability by moving the two moving magnetic cores and the two moving magnetic side posts away from each other when the input voltage is too high, thus avoiding magnetic core saturation. When the voltage is too low, it reduces the air gap and increases the permeability by moving the two moving magnetic cores and the two moving magnetic side posts closer together, thus ensuring energy transmission efficiency. This adjustment can also be applied to adapt to the operating frequency changes of different topologies and improve general stability. 2. The technical solution of the present invention uses a telescopic component to move the disc and the frame upward, so that the cross key and the cross slot can be inserted. By controlling the servo motor to run, the rotating seat and the cross key can be rotated, which in turn drives the cross slot to rotate, thereby driving the rotating shaft to rotate. This allows for the adjustment of the two moving magnetic cores to move closer or further apart, or the adjustment of the two moving magnetic side posts to move closer or further apart, increasing the flexibility of adjustment. At the same time, the adjustment of the moving magnetic core and the moving magnetic side posts are distinguished. During adjustment, only one side is adjusted at a time to ensure the accuracy of adjustment and the stability of magnetic flux. 3. The technical solution of this invention controls the downward movement of the disc and frame via the telescopic component, which can disengage the cross-shaped locking key from the cross-shaped locking slot. During this process, the rotating plate two will rotate, causing the two limit sliding frames on both sides to slide symmetrically away from each other around the ratchet ring. Consequently, the ratchet will engage with the ratchet ring. After the ratchet ring and frame rotate 90° relative to the disc, the telescopic component controls the frame to move upward. During this process, the ratchet will retract into the limit sliding frame and compress the spring three, no longer engaging with the ratchet ring. This allows the ratchet ring and frame to rotate only in one direction. Consequently, the cross-shaped locking keys on both sides of the frame can only engage with the two cross-shaped locking slots on the radial sides of the disc simultaneously, enabling the adjustment of only two moving magnetic cores or moving magnetic side posts at a time. This improves adjustment accuracy and allows for precise control and adjustment using fewer driving components, facilitating operation and maintenance. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a bottom-view structural diagram of the present invention; Figure 3 This is a cross-sectional view of the front structure of the present invention; Figure 4 This is a schematic diagram of the relevant structures on the frame of the present invention; Figure 5 This is a bottom view of the relevant structures on the frame of the present invention; Figure 6 This is a schematic diagram of the relevant structures inside the base box of the present invention; Figure 7 This is a schematic diagram of the relevant structure between the frame and the rotating shaft of the present invention; Figure 8 This is a schematic diagram of the relevant structure between the rotating seat and the rotating shaft of the present invention; Figure 9 This is a cross-sectional view of the relevant structure between the rotating seat and the rotating shaft of the present invention; Figure 10 This is a schematic diagram of the relevant structures on the frame of the present invention; Figure 11 This is a schematic diagram of the limiting slide frame of the present invention; Figure 12 This is a top view of the limiting sliding frame structure of the present invention.

[0017] Explanation of reference numerals in the attached figures: 1. Base box; 2. Frame; 3. Grille vent; 4. Transformer frame; 5. Mounting pin; 6. Guide rod 1; 7. Damping cylinder; 8. Moving magnetic side post; 801. Fixed magnetic side post; 9. Sleeve; 10. Moving magnetic core; 11. Fixed magnetic core; 12. Inductor frame; 13. Primary winding; 14. Secondary winding; 15. Inductor coil; 16. Stud; 17. Threaded cylinder; 18. Side gear; 19. Main gear; 20. Bevel gear; 21. Shaft; 22. Telescopic component; 23. Disc; 24. Frame; 25. Servo motor; 26. Large belt 27. Wheel; 28. Fan blade; 29. ​​Cleaning brush; 30. Damping ring; 31. Rotating seat; 32. Gear 1; 33. Sleeve; 34. Cross key; 35. Spring 1; 36. Cross slot plate; 37. Gear 2; 38. Small pulley; 39. Belt; 40. Guide rod 2; 41. Brake sleeve; 42. Guide rod 3; 43. Slide plate; 44. Rotating plate 1; 45. Spring 2; 46. Stabilizing frame; 47. Ratchet ring; 48. Guide rod 4; 49. Limiting slide frame; 50. Ratchet; 51. Spring 3; 52. Connecting frame. Detailed Implementation

[0018] The following will be combined with the appendix Figure 1 To be continued Figure 12 The technical solutions in the embodiments of the present invention have been clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0019] Example 1: like Figures 1-12 As shown, this invention discloses a magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core, including a base box 1, a frame 2 mounted on the base box 1, and a transformer skeleton 4 mounted on the base box 1 housed inside the frame 2. A primary winding 13 and a secondary winding 14 are wound on the two outer sides of the transformer skeleton 4, respectively. An inductor skeleton 12 is also mounted on one side of the frame 2, and an inductor coil 15 is wound on the outer side of the inductor skeleton 12. Sliding elements are provided on both sides of the primary winding 13 and the secondary winding 14 within the frame 2. The moving magnetic side column 8 and the transformer frame 4 are also slidably provided with moving magnetic cores 10 that slide within the primary winding 13 and the secondary winding 14. The moving magnetic side column 8 and the moving magnetic core 10 are connected to the outer side of the moving magnetic side column 8 and the outer side of the moving magnetic core 10. Each stud 16 is threaded with a threaded sleeve 17 on the outer side. The threaded sleeve 17 is rotated through and fitted onto the shell frame 2 and extends to its outer side. The threaded sleeve 17 on the moving magnetic side column 8 is connected to a side gear 18 at its outer extension end. The adjacent side gears 18 are meshed with a main gear 19. Both the threaded cylinder 17 on the moving magnetic core 10 and the main gear 19 are fitted with bevel gears 20. The base box 1 is rotatably mounted with multiple rotating shafts 21 that pass through its inner and outer sides, and the same bevel gears 20 are mounted on the rotating shafts 21. Multiple telescopic components 22 are installed on the upper inner wall of the base box 1, and a disc 23 is connected to the lower output end of the telescopic component 22. A frame 24 is rotatably mounted on the outer side of the disc 23. A drive assembly is provided on the frame 24. The drive assembly is used to drive the rotating shafts 21 on both radial sides to rotate, so as to adjust the spacing between the moving magnetic core 10 or the moving magnetic side column 8. A cross-shaped slot disc 35 is fitted on one end of the rotating shaft 21 inside the base box 1. A limit assembly is provided inside the base box 1. The limit assembly is used to limit the cross-shaped slot disc 35 to ensure its stability. A linkage assembly is also provided between the frame 24 and the inner wall of the base box 1. The linkage assembly is used to rotate 90° when the frame 24 moves down, so as to adjust the frame 24 to cooperate with the rotating shafts 21 on different radial sides.

[0020] The ratio of the number of strands in the primary winding 13 to the secondary winding 14, as well as the tap and wiring settings, are known in the existing field. Therefore, they can be flexibly adjusted according to the needs when used in a specific circuit. The same applies to the inductor coil 15. The housing 2, transformer frame 4, inductor frame 12, stud 16, and threaded cylinder 17 are all made of existing non-magnetic materials to prevent interference with the magnetic flux of the windings or coils.

[0021] A fixed magnetic side post 801 is also installed on one side of the housing 2, which is sleeved on the outside of the inductor frame 12 and the inductor coil 15. A fixed magnetic core 11 is connected to the fixed magnetic side post 801 and inserted into the center of the inductor frame 12 and the inductor coil 15. The rotating shaft 21 is arranged in a circular array on the base box 1, and the bevel gear 20 sleeved on the rotating shaft 21 meshes with the corresponding bevel gear 20 on the moving magnetic core 10 or the main gear 19. That is, the bevel gears 20 on each threaded cylinder 17 or the main gear 19 are actually arranged in a circular array to facilitate subsequent cooperation and driving with the drive component.

[0022] The bottom of the transformer frame 4 is equipped with mounting pins 5, and is mounted on the base box 1 through the mounting pins 5. The inner walls on both sides of the frame 2 are connected by guide rods 6. Each moving magnetic side column 8 is connected to a sleeve 9 that is slidably sleeved on the outside of the guide rod 6. The guide rods 6 and the sleeves 9 are also made of non-magnetic materials to ensure that the moving magnetic side column 8 slides stably while avoiding interference with the magnetic flux of the winding or coil.

[0023] In practical use, controlling the rotation of the shaft 21 corresponding to the moving magnetic core 10 on both sides will drive the bevel gear 20 on the corresponding shaft 21 to mesh with the bevel gear 20 on the threaded cylinder 17 on both sides of the moving magnetic core 10, thereby driving the threaded cylinder 17 to rotate in both directions, so as to drive the moving magnetic core 10 on both sides to move closer or further away from each other, thereby adjusting the air gap of the magnetic core. By controlling the rotation of the shaft 21 corresponding to the main gears 19 on both sides, the bevel gear 20 on the corresponding shaft 21 can be driven to mesh with the bevel gear 20 on the main gears 19 on both sides of the moving magnetic side column 8, thereby driving the main gear 19 to rotate, driving the side gears 18 on both sides and the threaded cylinder 17 to rotate, so as to drive the moving magnetic side columns 8 on both sides to move closer or further away from each other, thereby realizing the adjustment of the air gap of the magnetic core.

[0024] When the input voltage is too high, the moving magnetic cores 10 on both sides move away from each other, and the moving magnetic side posts 8 on both sides move away from each other, which increases the air gap of the magnetic core and reduces the equivalent permeability, thus preventing the magnetic core from saturating. When the voltage is too low, the moving magnetic cores 10 on both sides move closer to each other, and the moving magnetic side posts 8 on both sides move closer to each other, which reduces the air gap and increases the permeability, ensuring energy transmission efficiency. This adjustment can also be applied to adapt to the operating frequency changes of different topologies and improve general stability.

[0025] Further adjustments to the moving magnetic core 10 and the moving magnetic side post 8 can be made in a complementary and differentiated manner.

[0026] Example 2: like Figures 1-12 As shown, the present invention discloses a magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core. Compared with Embodiment 1, this embodiment discloses the structure of the limiting component.

[0027] The limiting assembly includes guide rod 2 39, brake sleeve 40, guide rod 3 41, and slide plate 42. Guide rod 2 39 is located on both sides of the inner section of the base box 1 of the rotating shaft 21 and is connected to the inner wall of the base box 1. Brake sleeve 40 is slidably sleeved on the outside of guide rod 2 39. Guide rod 3 41 is also located on both sides of the inner section of the base box 1 of the rotating shaft 21 and is connected to the inner wall of the base box 1. Slide plate 42 is slidably sleeved on the outside of guide rod 3 41. Spring 2 44 sleeved on the outside of guide rod 3 41 is connected between slide plate 42 and the inner wall of the base box 1. Rotating plate 1 43 is rotatably connected between slide plate 42 and brake sleeve 40 on each side.

[0028] This allows the slide plate 42 to move downwards under the action of the second spring 44, pulling the first rotating plate 43 to rotate, causing the brake sleeves 40 on both sides to move closer to each other, and to perform rubbing friction on both sides of the cross-shaped slot disc 35. This ensures that the cross-shaped slot disc 35 and the rotating shaft 21 can remain stable and not rotate when there is no drive component, avoiding unnecessary displacement of the moving magnetic core 10 and the moving magnetic side post 8, and providing stability and control accuracy.

[0029] Example 3: like Figures 1-12 As shown, the present invention discloses a magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core. Compared with Embodiment 2, this embodiment discloses the structure of the driving component.

[0030] The drive assembly includes a servo motor 25, a large pulley 26, a rotating base 30, a first gear 31, a sleeve 32, a cross-shaped locking key 33, a second gear 36, and a small pulley 37. The servo motor 25 is mounted on the upper inner wall of the frame 24. The large pulley 26 is fitted onto the lower output end of the servo motor 25. The rotating base 30 is rotatably mounted on both sides of the frame 24. The first gear 31 is fitted onto the outer side of the rotating base 30. The sleeve 32 is connected to the upper end of the rotating base 30. The cross-shaped locking key 33 is slidably fitted inside the sleeve 32, and one end of the cross-shaped locking key 33 extends into the sleeve. The outer side of the cylinder 32 is fitted with the cross-shaped groove plate 35, while the other end is connected to the inner wall of the sleeve 32 by a spring 34. The gear 36 is rotatably mounted on both sides of the frame 24 and meshes with the gear 31 on each side. The small pulley 37 is connected to the upper end of the gear 31. The small pulleys 37 on both sides and the large pulley 26 in the middle are fitted with belts 38. The two sides of the frame 24 are also connected to a rotatable stabilizing frame 45 that is rotatably mounted on the outside of the rotating seat 30. The upper end of the stabilizing frame 45 is engaged with the lower end of the slide plate 42 on each side.

[0031] By controlling the servo motor 25, the large pulley 26 can be rotated, and through the belt 38, the small pulleys 37 and gears 36 on both sides can be rotated. These gears, in turn, drive the gears 31 on both sides to rotate, which in turn drives the cross-shaped locking key 33 to rotate. Therefore, when the position of the moving magnetic cores 10 or the moving magnetic side posts 8 on both sides needs to be adjusted, the rotating seats 30 on both sides can be adjusted to be below the rotating shafts 21 on the corresponding radial sides. Then, the telescopic component 22 is controlled to move the disc 23 and the frame 24 upwards, causing the cross-shaped locking key to rotate. The cross key 33 can move upward to abut against the cross slot 35 at the lower end of the corresponding rotating shaft 21. Under the action of abutment, the cross key 33 retracts into the sleeve 32 and compresses the spring 34. Then, the cross key 33 is controlled to rotate. When it rotates to the position corresponding to the cross slot 35, the cross key 33 can rebound and move upward under the action of the spring 34, and cooperate with the cross slot 35 for insertion. This drives the corresponding rotating shaft 21 and bevel gear 20 to rotate, thereby driving the moving magnetic cores 10 on both sides or the moving magnetic side posts 8 on both sides to move closer or further away from each other.

[0032] When the upward-moving cross-shaped key 33 can be directly inserted into the cross-shaped key slot 35, the cross-shaped key 33 will not slide into the sleeve 32, but will be directly inserted into the cross-shaped key slot 35. In order to ensure control accuracy, a Hall sensor can also be installed on the housing 2 to detect magnetic flux in real time, and adjust the moving magnetic core 10 or the moving magnetic side column 8 according to the detected magnetic flux feedback.

[0033] The upper end of the sleeve 32 has a cross opening, and the cross key 33 slides along the axial direction of the sleeve 32 within the cross opening. The frame 24 is convex, and the rotating seat 30 and the gear 36 are located on both sides of the frame 24. The frame 24 also has square openings on both sides for the belt 38 to pass through, ensuring that the cross key 33 can only slide along the axial direction within the sleeve 32, which can effectively transmit power to the rotating shaft 21.

[0034] A fan blade 27 is fitted onto the lower end of the large pulley 26. A cleaning brush 28 that mates with the fan blade 27 is installed on the lower inner wall of the base box 1. The frame 24 is slidably fitted onto the outside of the cleaning brush 28. The upper and lower ends of the base box 1 are respectively provided with grille vents 3, which enhances the functionality of the large pulley 26 by adding the fan blade 27. After the cross key 33 disengages from the cross slot 35, the servo motor 25 can continue to operate, allowing the fan blade 27 to rotate continuously. The fan blade 27 dissipates heat from the primary winding 13, secondary winding 14, and inductor coil 15 on the housing 2 through the grille vents 3. When the frame 24 is driven down by the telescopic member 22, the fan blade 27 can also move down to fit against the cleaning brush 28 and clean itself by rotating relative to the cleaning brush 28.

[0035] Example 4: like Figures 1-12 As shown, the present invention discloses a magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core. Compared with Embodiment 3, this embodiment discloses the structure of the adjustment component.

[0036] The adjustment assembly includes a ratchet ring 46, a limiting slide frame 48, a rotating plate 49, and a ratchet 50. The ratchet ring 46 is fitted onto the upper end of the frame 24 and is coaxially arranged with the disc 23. The limiting slide frames 48 are arranged in an array and slidably fitted on both sides of the frame 24, and are arranged parallel to each other. The two ends of the limiting slide frames 48 on both sides are rotatably connected to the inner wall of the base box 1 by the rotating plate 49. The ratchet 50 is slidably fitted inside the limiting slide frame 48, and one side extends to the outside of the limiting slide frame 48 to engage with the ratchet ring 46. Multiple springs 51 are evenly spaced between the ratchet 50 and the inner wall of the limiting slide frame 48 on one side inside the limiting slide frame 48.

[0037] The telescopic component 22 controls the disk 23 and frame 24 to move downwards, which in turn causes the cross-shaped locking key 33 to disengage from the cross-shaped locking plate 35. During this process, the rotating plate 49 will rotate, causing the two limiting slide frames 48 to slide symmetrically away from each other around the ratchet ring 46. Consequently, the ratchet 50 will engage with the ratchet ring 46. After the ratchet ring 46 and frame 24 rotate 90° relative to the disk 23, the telescopic component 22 then controls the frame 24 to move upwards. Since the ratchet 50 slides within the limiting slide frame 48 and is connected to the inner wall of the limiting slide frame 48 by the spring 51, The ratchet 50 inside each limiting slide frame 48 on the frame 24 will retract into the limiting slide frame 48 and compress the spring 3 51, no longer engaging with the ratchet ring 46. This allows the ratchet ring 46 and the frame 24 to rotate only in one direction. Consequently, the cross-shaped locking keys 33 on both sides of the frame 24 can only cooperate with the two cross-shaped locking slots 35 on the radial sides of the disc 23 at the same time. This allows for the adjustment of the moving magnetic cores 10 or the moving magnetic side posts 8 on both sides at a time, thereby improving the adjustment accuracy. At the same time, it also allows for precise control and adjustment using fewer driving components, making operation and maintenance convenient.

[0038] A connecting frame 52 is connected to the disc 23, and parallel guide rods 47 are connected to both sides of the connecting frame 52. The guide rods 47 are located above both sides of the frame 24, and the lower end of each limiting slide frame 48 is slidably sleeved on the outside of its respective guide rod 47. This improves the stability of the limiting slide frame 48 during sliding.

[0039] A damping ring 29 is fitted on the outer side of the frame 24, and a damping cylinder 7 is fitted on the lower inner wall of the base box 1. The damping ring 29 dampens the rotation within the damping cylinder 7 and slides along the axial direction of the damping cylinder 7, which can increase the damping of the rotation of the frame 24 and ensure stable unidirectional meshing rotation between the ratchet 50 and the ratchet ring 46.

[0040] Working principle: Moving magnetic side posts 8, which slide within the shell 2 fitted outside the transformer frame 4, correspond to the primary winding 13 and the secondary winding 14, respectively. Moving magnetic cores 10 are also fitted at both ends within the transformer frame 4, corresponding to the primary winding 13 and the secondary winding 14, respectively. Studs 16 are connected to the outer sides of both the moving magnetic side posts 8 and the moving magnetic cores 10. Each stud 16 has a threaded sleeve 17 threaded onto its outer side. The threaded sleeves 17 on both sides of the moving magnetic cores 10 rotatably pass through the shell 2 and are connected to bevel gears 20. A rotatable through-frame 2 is connected to a side gear 18, and a main gear 19 meshes between the two side gears 18. A bevel gear 20 is also connected to the outside of the main gear 19. Meanwhile, multiple rotating shafts 21 are arranged in an array on the base box 1. Each rotating shaft 21 is fitted with a bevel gear 20 that is identical to and meshes with the threaded cylinders 17 or the main gear 19. This allows the control telescopic component 22 to move the disc 23 and the frame 24 upwards, thereby moving the rotating seats 30 on both sides and the stabilizing frame 45 upwards. The stabilizing frame 45 will... When the sliding plate 42 comes into contact with the rotating plate 43, it causes the two brake sleeves 40 to rotate, pushing them away from each other and canceling the friction sleeves on both sides of the cross-shaped retaining plate 35. At the same time, as the rotating seat 30 moves upward, the cross-shaped retaining key 33 in its upper sleeve 32 will gradually come into contact with the cross-shaped retaining plate 35, causing the cross-shaped retaining key 33 to retract into the sleeve 32 and compress the spring 34. Then, the servo motor 25 is started to drive the gears 36 on both sides to rotate, which can drive the rotating seat 30 and the cross-shaped retaining key through meshing with the gear 31. Rotate 33, and when the cross key 33 rotates to align with the cross slot 35, it is then inserted into the cross slot 35 under the elastic force of spring 34, and drives it to rotate, thereby driving the rotating shaft 21 to rotate. This allows for the adjustment of the two moving magnetic cores 10 to move closer or further apart, or the two moving magnetic side posts 8 to move closer or further apart, increasing the flexibility of adjustment. At the same time, the adjustment of the moving magnetic core 10 and the moving magnetic side post 8 is distinguished. During adjustment, only one side is adjusted at a time to ensure adjustment accuracy and magnetic flux stability. The telescopic component 22 controls the downward movement of the disc 23 and frame 24, which in turn disengages the cross-shaped locking key 33 from the cross-shaped locking slot disc 35. During this process, the rotating plate 49 rotates, causing the two limiting slide frames 48 to slide symmetrically away from each other around the ratchet ring 46. Consequently, the ratchet 50 engages with the ratchet ring 46. After the ratchet ring 46 and frame 24 rotate 90° relative to the disc 23, the telescopic component 22 controls the frame 24 to move upward. Since the ratchet 50 slides within the limiting slide frame 48 and is connected to the inner wall of the limiting slide frame 48 by a spring 51, Therefore, the ratchet 50 in each limiting slide frame 48 on the frame 24 will retract into the limiting slide frame 48 and compress the spring 3 51, and will no longer engage with the ratchet ring 46. This allows the ratchet ring 46 and the frame 24 to rotate only in one direction. Consequently, the cross-shaped locking keys 33 on both sides of the frame 24 can only cooperate with the two cross-shaped locking slots 35 on the radial sides of the disc 23 at the same time. This allows for the adjustment of only two moving magnetic cores 10 or moving magnetic side posts 8 at a time, thereby improving the adjustment accuracy. At the same time, it also allows for precise control and adjustment using fewer driving components, making operation and maintenance convenient.

[0041] Based on the disclosure and teachings of the foregoing specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on the present invention.

Claims

1. A magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core, comprising a base box (1), a frame (2) mounted on the base box (1), a transformer skeleton (4) mounted on the base box (1) housed inside the frame (2), a primary winding (13) and a secondary winding (14) respectively wound on the two outer sides of the transformer skeleton (4), an inductor skeleton (12) also mounted on one side of the frame (2), and an inductor coil (15) wound on the outer side of the inductor skeleton (12), characterized in that, Both sides of the primary winding (13) and the secondary winding (14) are provided with moving magnetic side posts (8) that slide within the shell frame (2). Both ends of the transformer frame (4) are also provided with moving magnetic cores (10) that slide within the primary winding (13) and the secondary winding (14). The outer sides of the moving magnetic side posts (8) and the moving magnetic cores (10) are connected with studs (16). Each stud (16) is threaded with a threaded sleeve (17) on its outer side. The threaded sleeve (17) rotates through and is fitted onto the shell frame (2) and extends to its outer side. The threaded sleeve (17) on the moving magnetic side post (8) is connected to a side gear (18) at its outer extension end. The adjacent side gears (18) are meshed with a main gear (19). Both the threaded cylinder (17) on the moving magnetic core (10) and the main gear (19) are fitted with bevel gears (20). Multiple rotating shafts (21) are arranged in an array on the base box (1), passing through its inner and outer sides. The same bevel gears (20) are fitted on each rotating shaft (21). Multiple telescopic components (22) are installed on the upper inner wall of the base box (1), and a disc (23) is connected to the lower output end of each telescopic component (22). A frame (24) is rotatably fitted on the outer side of the disc (23). A drive assembly is provided on the frame (24) for driving... The two rotating shafts (21) on both radial sides rotate to adjust the spacing of the moving magnetic core (10) or the moving magnetic side column (8). The rotating shaft (21) has a cross-shaped slot plate (35) fitted at one end inside the base box (1). The base box (1) is provided with a limiting component, which is used to limit the cross-shaped slot plate (35) to ensure its stability. A linkage component is also provided between the frame (24) and the inner wall of the base box (1). The linkage component is used to rotate 90° when the frame (24) moves down to adjust the frame (24) to cooperate with the rotating shafts (21) on different radial sides.

2. The magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core according to claim 1, characterized in that, A fixed magnetic side post (801) is also installed on one side of the housing (2) and sleeved on the outside of the inductor frame (12) and the inductor coil (15). A fixed magnetic core (11) inserted in the center of the inductor frame (12) and the inductor coil (15) is connected to the fixed magnetic side post (801). The rotating shaft (21) is arranged in a circular array on the base box (1), and the bevel gear (20) sleeved on the rotating shaft (21) meshes with the corresponding bevel gear (20) on the moving magnetic core (10) or the main gear (19).

3. The magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core according to claim 1, characterized in that, The bottom of the transformer frame (4) is equipped with mounting pins (5) and is mounted on the base box (1) through the mounting pins (5). A guide rod (6) is connected between the inner walls of the two sides of the shell frame (2). Each moving magnetic side column (8) is connected with a sleeve (9) that is slidably sleeved on the outside of the guide rod (6).

4. The magnetically integrated high-efficiency transformer with adjustable built-in magnetic core according to claim 1, characterized in that, The limiting assembly includes a second guide rod (39), a brake sleeve (40), a third guide rod (41), and a sliding plate (42). The second guide rod (39) is located on both sides of the inner section of the rotating shaft (21) in the base box (1) and is connected to the inner wall of the base box (1). The brake sleeve (40) is slidably sleeved on the outside of the second guide rod (39). The third guide rod (41) is also located on both sides of the inner section of the rotating shaft (21) in the base box (1) and is connected to the inner wall of the base box (1). The sliding plate (42) is slidably sleeved on the outside of the third guide rod (41), and a second spring (44) sleeved on the outside of the third guide rod (41) is connected between the sliding plate (42) and the inner wall of the base box (1). A rotating plate (43) is rotatably connected between the sliding plate (42) and the brake sleeve (40) on each side.

5. A magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core according to claim 4, characterized in that, The drive assembly includes a servo motor (25), a large pulley (26), a rotating seat (30), a first gear (31), a sleeve (32), a cross-shaped locking key (33), a second gear (36), and a small pulley (37). The servo motor (25) is mounted on the upper inner wall of the frame (24). The large pulley (26) is fitted onto the lower output end of the servo motor (25). The rotating seat (30) is rotatably mounted on both sides of the frame (24). The first gear (31) is fitted onto the outer side of the rotating seat (30). The sleeve (32) is connected to the upper end of the rotating seat (30). The cross-shaped locking key (33) is slidably fitted inside the sleeve (32). One end extends to the outside of the sleeve (32) and is fitted into the cross-shaped slot plate (35), while the other end is connected to the inner wall of the sleeve (32) by a spring (34). The gear (36) is rotated and fitted on both sides of the frame (24) and meshes with the gear (31) on each side. The small pulley (37) is connected to the upper end of the gear (31). The small pulleys (37) on both sides and the large pulley (26) in the middle are fitted with belts (38). The two sides of the frame (24) are also connected to a stabilizing frame (45) that is rotated and fitted on the outside of the rotating seat (30). The upper end of the stabilizing frame (45) is engaged with the lower end of the sliding plate (42) on each side.

6. A magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core according to claim 5, characterized in that, The upper end of the sleeve (32) is provided with a cross opening, the cross key (33) slides along the axial direction of the sleeve (32) in the cross opening, the frame (24) is convex, the rotating seat (30) and the gear (36) are respectively located on both sides of the frame (24), and the frame (24) is also provided with square openings on both sides for the belt (38) to pass through.

7. A magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core according to claim 5, characterized in that, The lower end of the large pulley (26) is fitted with a fan blade (27), and the lower inner wall of the base box (1) is fitted with a cleaning brush (28) that cooperates with the fan blade (27). The frame (24) is slidably fitted on the outside of the cleaning brush (28). The upper and lower ends of the base box (1) are respectively provided with grille air holes (3).

8. A magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core according to claim 1, characterized in that, The adjustment assembly includes a ratchet ring (46), a limiting slide frame (48), a rotating plate (49), and a ratchet (50). The ratchet ring (46) is fitted on the upper end of the frame (24) and is coaxially arranged with the disc (23). The limiting slide frames (48) are arranged in an array and slidably fitted on both sides of the frame (24) and are arranged parallel to each other. The two sides of the limiting slide frames (48) are rotatably connected to the inner wall of the base box (1) at one end away from each other. The ratchet (50) is slidably fitted inside the limiting slide frame (48) and one side extends to the outside of the limiting slide frame (48) to engage with the ratchet ring (46). Multiple springs (51) are evenly spaced between the ratchet (50) and the inner wall of the limiting slide frame (48) on one side inside the limiting slide frame (48).

9. A magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core according to claim 8, characterized in that, The disc (23) is connected to a connecting frame (52), and the connecting frame (52) is connected to two parallel guide rods (47) on both sides. The guide rods (47) are located above the two sides of the frame (24), and the lower end of each limiting slide frame (48) is slidably sleeved on the outside of the guide rod (47) on its respective side.

10. A magnetically integrated high-efficiency transformer with an adjustable built-in magnetic core according to claim 8, characterized in that, A damping ring (29) is fitted on the outer side of the frame (24), and a damping cylinder (7) is fitted on the lower inner wall of the base box (1). The damping ring (29) is damped to rotate within the damping cylinder (7) and is damped to slide along the axial direction of the damping cylinder (7).

Images