A planar transformer winding preparation apparatus and method

Abstract

This invention discloses a planar transformer winding preparation device and method, relating to the field of planar transformer winding preparation technology. The device includes a conductor assembly comprising two C-shaped clamps symmetrically distributed, with a guide seat fixed between them. A column is vertically fixed to the upper end of the guide seat, and an inverted portal frame is fixed to the upper end of the column. An I-beam wheel is rotatably mounted at the bottom inner side of the inverted portal frame, and an elliptical pressure roller rolls onto the I-beam wheel. A lifting rod is rotatably sleeved within an annular groove, and an elliptical steel ring is fixed to the upper end of the lifting rod. The two sidewalls of the elliptical steel ring are fixedly connected to the upper end of the inner sidewall of the inverted portal frame. This invention increases the sliding resistance between the copper wire and the outer wall, tensioning the output copper wire and preventing differences in resistance between the inner and outer copper wires, thus avoiding a voltage difference between them and preventing excessive heat generation that could significantly degrade the transformer winding performance.

Description

Technical Field

[0001] This invention relates to the field of planar transformer winding preparation technology, specifically to a planar transformer winding preparation apparatus and method. Background Technology

[0002] The manufacturing of transformer windings involves overlapping copper wires and winding them onto a hollow mandrel. During the winding process, a wire guide is used to guide the copper wires back and forth along the outer wall of the mandrel. Most existing guide devices use guide wheels, which can only change the direction of copper wire transmission. However, guide wheels cannot tension the copper wires in real time without affecting the output operation of the copper wires. This results in inconsistent output lengths of the copper wires during the winding process, which can easily lead to different lengths of the inner and outer layers of copper wires in the transformer winding. Consequently, the resistances of the inner and outer layers of copper wires are different, resulting in a voltage difference between the inner and outer layers of copper wires. This generates a large amount of heat, which in turn greatly reduces the performance of the transformer windings. Summary of the Invention

[0003] The purpose of this invention is to provide a planar transformer winding preparation apparatus and method to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a planar transformer winding preparation device, comprising a conductor assembly, the conductor assembly including two C-shaped brackets symmetrically distributed and a guide seat fixed between the two C-shaped brackets, a column vertically fixed to the upper end of the guide seat, an inverted portal frame fixed to the upper end of the column, an I-beam wheel rotatably disposed at the bottom inner side of the inverted portal frame, an elliptical pressure roller rolling and pressing on the I-beam wheel, an annular groove formed on the elliptical pressure roller, a lifting rod rotatably sleeved within the annular groove, an elliptical steel ring fixed to the upper end of the lifting rod, and the elliptical shape... The two side walls of the steel ring are fixedly connected to the upper end of the inner side wall of the inverted portal frame. The copper wire is led out and passes through the transmission space between the elliptical pressure roller and the I-beam wheel. Utilizing the elastic potential energy of the elliptical steel ring, the copper wire is rolled and pressed onto the I-beam wheel by the elliptical pressure roller through the suspension rod. During the output of the copper wire, the side wall of the copper wire slides and pulls with the elliptical pressure roller and the I-beam wheel. At the same time as pulling, the I-beam wheel and the elliptical pressure roller can rotate. The elliptical pressure roller rotates from the long half-axis to the short half-axis and then to the long half-axis. During this process, the deformation of the elliptical steel ring generates rebound potential energy, which can increase the sliding resistance between the copper wire and the outer wall, and can tension the output copper wire.

[0005] In a further embodiment, a support frame for supporting the wire assembly is provided below the wire assembly;

[0006] The support frame includes two back plates and two threaded rods. The two threaded rods are distributed in parallel and rotatably mounted on the opposite sidewalls of the two back plates. Two motors are fixed to the outer wall of one of the back plates, and the output ends of the two motors rotate through the back plate and are fixedly connected to the ends of the two threaded rods. The inner walls of the two C-shaped brackets are provided with internal threads. The C-shaped brackets are engaged with the outer walls of the threaded rods. The motors drive the threaded rods to rotate, and the rotation of the threaded rods drives the C-shaped brackets to transmit along the axial direction of the threaded rods. This can transmit the entire wire assembly along the distribution direction of the threaded rods, achieving orderly and uniform copper wire winding.

[0007] In a further embodiment, a rectangular plug rod is fixedly connected between the opposite sidewalls of the two back plates, and the guide seat has a rectangular through hole for sliding insertion with the rectangular plug rod, and the threads of the two threaded rods are arranged in opposite directions.

[0008] In a further embodiment, the transverse width inside the rectangular through hole is half the size of the gap between the two threaded rods.

[0009] In a further embodiment, top blocks are fixedly provided at the bottom positions on both sides of the station column, and lifting slopes are provided on the side walls of the two top blocks that are far apart from each other. The two lifting slopes are distributed in parallel, and push blocks are fixedly provided on the opposite side walls of the two backing plates. The two push blocks are staggered and are respectively set opposite to the two top blocks.

[0010] Preferably, the method for preparing a planar transformer winding based on the above-described apparatus includes the following steps:

[0011] The exported copper wire passes through the conveying space between the elliptical pressure roller and the I-beam wheel. Utilizing the elastic potential energy of the elliptical steel ring, the copper wire is rolled and pressed onto the I-beam wheel by the elliptical pressure roller via the suspension rod. During the output of the copper wire, the sidewall of the copper wire slides and pulls against the elliptical pressure roller and the I-beam wheel. While pulling, the I-beam wheel and the elliptical pressure roller can rotate. The elliptical pressure roller rotates from the long half-axis to the short half-axis and then back to the long half-axis. During this process, the deformation of the elliptical steel ring generates rebound potential energy, which can increase the sliding resistance between the elliptical pressure roller and the outer wall of the copper wire, thus tensioning the output copper wire.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] This invention relates to a planar transformer winding preparation device and method. The copper wire is passed between an elliptical pressure roller and an I-beam. The elliptical pressure roller rolls and presses the copper wire onto the I-beam. During the output of the copper wire, there is sliding friction between the sidewall of the copper wire and the elliptical pressure roller and the I-beam. The I-beam rotates, and the elliptical pressure roller rotates synchronously, from the major half-axis to the minor half-axis and then back to the major half-axis. During this process, the deformation of the elliptical steel ring generates rebound potential energy, which increases the sliding resistance between the elliptical steel ring and the outer wall of the copper wire. This tensions the output copper wire, preventing uneven lengths and resistances between the inner and outer layers of copper wire in the transformer winding, thus avoiding a voltage difference between them and preventing excessive heat generation that could significantly reduce the performance of the transformer winding. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0015] Figure 2 This is a partial structural diagram of the station column of the present invention;

[0016] Figure 3 For the present invention Figure 1 Enlarged view of the structure at point A in the middle;

[0017] Figure 4 This is an exploded view of a partial structure of the support column of the present invention.

[0018] In the diagram: 1. Backing plate; 2. Threaded rod; 3. Rectangular plug rod; 4. Motor; 5. Guide seat; 6. C-type bracket; 7. Top block; 8. Standing column; 9. Inverted portal frame; 10. Elliptical steel ring; 11. I-beam wheel; 12. Push block; 13. Hanging rod; 14. Elliptical pressure roller. Detailed Implementation

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example 1

[0021] Please see Figures 1-4This embodiment provides a planar transformer winding preparation device and method, including a conductor assembly. The conductor assembly includes two C-shaped brackets 6, which are symmetrically distributed and a guide seat 5 is fixed between them. A station post 8 is vertically fixed to the upper end of the guide seat 5, and an inverted gantry frame 9 is fixed to the upper end of the station post 8. An I-beam wheel 11 is rotatably provided at the bottom inner side of the inverted gantry frame 9. An elliptical pressure roller 14 is rolled and pressed on the I-beam wheel 11, and a conveying space for copper wire conveying is left between the elliptical pressure roller 14 and the I-beam wheel 11.

[0022] An annular groove is provided on the elliptical pressure roller 14. A suspension rod 13 is rotatably sleeved in the annular groove. An elliptical steel ring 10 is fixed at the upper end of the suspension rod 13. The two side walls of the elliptical steel ring 10 are fixedly connected to the upper end of the inner side wall of the inverted portal frame 9. Using the elastic potential energy of the elliptical steel ring 10, the elliptical pressure roller 14 at the bottom end of the suspension rod 13 is pressed onto the I-beam wheel 11 in real time.

[0023] The exported copper wire passes through the conveying space between the elliptical pressure roller 14 and the I-beam wheel 11. Utilizing the elastic potential energy of the elliptical steel ring 10, the elliptical pressure roller 14 rolls and presses the copper wire onto the I-beam wheel 11 via the suspension rod 13. During the output of the copper wire, the sidewall of the copper wire slides and pulls against the elliptical pressure roller 14 and the I-beam wheel 11. While pulling, the I-beam wheel 11 and the elliptical pressure roller 14 can rotate. The elliptical pressure roller 14 rotates from the long half-axis to the short half-axis and then back to the long half-axis. During this process, the elliptical steel ring 10 deforms and generates rebound potential energy, which can increase the sliding resistance between it and the outer wall of the copper wire, thus tensioning the output copper wire.

[0024] This ensures that the copper wire remains taut throughout the winding process, meeting the output winding requirements while preventing excessive output from causing uneven lengths and resistances between the inner and outer layers of copper wire in the transformer winding. This creates a voltage difference between the inner and outer layers, preventing excessive heat generation and thus avoiding a significant reduction in transformer winding performance.

[0025] Example 2

[0026] Please see Figures 1-4 Further improvements were made based on Example 1:

[0027] A support frame is provided below the conductor assembly to support the conductor assembly and meet the normal conductor requirements of the conductor assembly.

[0028] The support frame includes two back plates 1 and two threaded rods 2. The two threaded rods 2 are distributed in parallel and rotatably set on the opposite side walls of the two back plates 1 to form the support frame.

[0029] Two motors 4 are fixed to the outer wall of one of the backing plates 1, and the output ends of the two motors 4 rotate through the backing plate 1 and are fixedly connected to the ends of the two threaded rods 2. The inner walls of the two C-shaped brackets 6 are provided with internal threads, which are used to engage the C-shaped brackets 6 with the outer walls of the threaded rods 2. The motors 4 drive the threaded rods 2 to rotate, and the rotation of the threaded rods 2 drives the C-shaped brackets 6 to be conveyed along the axial direction of the threaded rods 2. This can convey the entire wire assembly along the distribution direction of the threaded rods 2, so as to achieve orderly and uniform winding of copper wires.

[0030] One of the C-shaped brackets 6 is engaged with the corresponding threaded rod 2, while the remaining C-shaped bracket 6 is disengaged from the other threaded rod 2. The rotation of the threaded rod 2 drives the C-shaped bracket 6 to be conveyed along the axial direction of the threaded rod 2. After the entire wire assembly is conveyed to the other end of the threaded rod 2 along the distribution direction of the threaded rod 2, the C-shaped bracket 6 engaged with the threaded rod 2 is disengaged from the threaded rod 2, and the other C-shaped bracket 6 is engaged with the outer wall of the threaded rod 2. The motor 4 drives the other threaded rod 2 to rotate, and the entire wire assembly is conveyed to the end of the threaded rod 2 along the distribution direction of the threaded rod 2. By continuously repeating the above steps, the two C-shaped brackets 6 can be staggered between the two threaded rods 2 to realize the reciprocating conveying of the wire assembly, thereby ensuring that the output copper wire can be wound orderly and evenly on the core mold.

[0031] The two threaded rods 2 have opposite thread directions, and the two motors 4 rotate in the same direction, so that the two threaded rods 2 can rotate in the same direction. However, the C-shaped brackets 6 that are clamped to the outer walls of the two threaded rods 2 have opposite transmission directions, thus realizing the reciprocating transmission of the wire assembly.

[0032] A rectangular plug rod 3 is fixedly connected between the two opposing side walls of the two back plates 1. The guide seat 5 has a rectangular through hole for sliding insertion with the rectangular plug rod 3. During the process of the two C-shaped brackets 6 being alternately engaged with the threaded rod 2, only one C-shaped bracket 6 is engaged with the threaded rod 2 from beginning to end. This causes the stability of the wire assembly to be crossed. Therefore, by using the rectangular plug rod 3 to slide into the rectangular through hole of the guide seat 5, the stability of the entire wire assembly can be enhanced, and the two C-shaped brackets 6 can be alternately engaged with the two threaded rods 2.

[0033] The transverse width inside the rectangular through hole is half the size of the gap between the two threaded rods 2, thus ensuring that there is enough width inside the rectangular through hole to accommodate the alternating positions of the two C-shaped brackets 6 between the two threaded rods 2.

[0034] Top blocks 7 are fixedly installed at the bottom of both sides of the column 8. The side walls of the two top blocks 7 that are far apart from each other are provided with lifting slopes, and the two lifting slopes are distributed in parallel. Push blocks 12 are fixedly installed on the opposite side walls of the two back plates 1. The two push blocks 12 are staggered and are respectively set opposite to the two top blocks 7. During the process of the column 8 reciprocating and adjusting its position with the guide seat 5, the two push blocks 12 can also lift the lifting slopes of the corresponding top blocks 7, so that the guide seat 5 can reciprocate and adjust its position left and right within the gap between the two threaded rods 2, thereby changing the snap-fit ​​position of the two C-shaped card seats 6.

[0035] For example, when one of the top blocks 7 is adjusted to one end of the threaded rod 2 along with the guide seat 5, the push block 12 slides into contact with the lifting inclined surface of the top block 7. As the top block 7 continues to be fed in, the push block 12 can move the top block 7 together with the entire wire assembly horizontally, thereby disengaging the C-shaped card holder 6 that is engaged with the threaded rod 2 from the threaded rod 2, so that the other C-shaped card holder 6 is engaged on the outer wall of the other threaded rod 2, changing the engagement position of the C-shaped card holder 6, so that the other threaded rod 2 can drive the C-shaped card holder 6 to adjust its position in the opposite direction, realizing the reciprocating movement adjustment operation of the entire wire assembly, and ensuring that the output copper wire can be evenly wound on the core mold.

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A planar transformer winding preparation device comprising a wire assembly, characterized by: The wire assembly comprises two C-shaped clamping seats (6), which are symmetrically distributed and fixed with a guide seat (5) between the two C-shaped clamping seats (6), the upper end of the guide seat (5) is vertically fixed with a standing column (8), the upper end of the standing column (8) is fixed with an inverted door-shaped frame (9), the inner side bottom end position of the inverted door-shaped frame (9) is rotationally provided with a spool (11), the spool (11) is rolling and pressing combined with an oval-shaped pressing roller (14), the oval-shaped pressing roller (14) is provided with an annular clamping groove, the annular clamping groove is rotationally sleeved with a suspender (13), the upper end of the suspender (13) is fixed with an oval-shaped steel ring (10), and the both side walls of the oval-shaped steel ring (10) are fixedly connected with the inner side wall upper end position of the inverted door-shaped frame (9). The wire assembly is provided below with a support frame supporting the wire assembly. The support frame comprises two backboards (1) and two threaded rods (2). The both side bottom end positions of the standing column (8) are fixedly provided with top blocks (7), the side walls of the two top blocks (7) away from each other are provided with top-up inclined surfaces, and the two top-up inclined surfaces are parallelly distributed, the opposite side walls of the two backboards (1) are fixedly provided with push blocks (12), the two push blocks (12) are distributed in a staggered manner, and are respectively arranged opposite to the two top blocks (7).

2. A device for preparing a planar transformer winding according to claim 1, characterized in that: The outer wall of one of the backboards (1) is fixedly provided with two motors (4), and the output ends of the two motors (4) are respectively rotationally penetrated through the backboard (1) and fixedly connected with the end portions of the two threaded rods (2), the inner walls of the two C-shaped clamping seats (6) are provided with internal threads, the C-shaped clamping seat (6) is clamped with the outer wall of the threaded rod (2), and the threaded rod (2) rotationally drives the C-shaped clamping seat (6) to transmit along the axial direction of the threaded rod (2).

3. A planar transformer winding preparation device according to claim 2, characterized in that: The opposite side walls of the two backboards (1) are fixedly connected with a rectangular plug-in rod (3), the guide seat (5) is provided with a rectangular through hole slidably plugged with the rectangular plug-in rod (3), and the screw rotation directions of the two threaded rods (2) are opposite.

4. A planar transformer winding preparation device according to claim 3, characterized in that: The internal transverse width of the rectangular through hole is half of the gap size between the two threaded rods (2).

5. A method of manufacturing a planar transformer winding using a planar transformer winding manufacturing device according to any one of claims 1 to 4, characterized in that The steps include: The output copper wire passes through the transmission space between the oval-shaped pressing roller (14) and the spool (11), the elastic potential energy of the oval-shaped steel ring (10) is utilized, the oval-shaped pressing roller (14) is rolled and pressed on the spool (11) through the suspender (13), the copper wire slides and pulls between the oval-shaped pressing roller (14) and the spool (11) during the output process of the copper wire, the spool (11) and the oval-shaped pressing roller (14) can rotate while pulling, the oval-shaped pressing roller (14) rotates from the major axis to the minor axis and then to the major axis, the oval-shaped steel ring (10) deforms to generate a rebound potential energy in this process, which can increase the sliding resistance between the copper wire and the outer wall of the oval-shaped steel ring (10) and can tension the output copper wire.

Images