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CN-122025375-A - High-frequency transformer framework with high insulation and high heat conduction characteristics

CN122025375ACN 122025375 ACN122025375 ACN 122025375ACN-122025375-A

Abstract

The invention relates to the technical field of transformers, in particular to a high-frequency transformer framework with high insulation and high heat conduction characteristics, which comprises a center column, wherein connecting plates are fixedly arranged at two ends of the center column, a bracket integrally formed with the center column is fixedly arranged on the surface of the connecting plates, a plurality of pins are fixedly arranged at the bottom of the bracket, a plurality of wire grooves penetrating through the connecting plates are formed in the bottom of the bracket, accommodating ports penetrating through the center column are formed in the surfaces of two connecting plates, a plurality of grooves are formed in the tops of the connecting plates, transverse ports are formed in two sides of the center column, a stress block is slidably arranged in each transverse port, a first telescopic spring is horizontally and fixedly arranged on the port wall of each transverse port, and one end, far away from the port wall of each transverse port, of each first telescopic spring is fixedly connected with the surface of the stress block. According to the invention, the stress blocks and the first telescopic springs are arranged on the two sides of the center column, so that elastic tensioning is formed during winding, coils are tightly distributed, the electromagnetic efficiency is improved, insulating oil is impregnated more uniformly, and insulation is enhanced.

Inventors

  • Lan Junlei

Assignees

  • 深圳市峰亚电子有限公司

Dates

Publication Date
20260512
Application Date
20260410

Claims (10)

  1. 1. The utility model provides a high-frequency transformer skeleton of high insulation high heat conduction characteristic, includes center pillar (1), its characterized in that, both ends of center pillar (1) are all fixed mounting have connecting plate (2), connecting plate (2) surface fixed mounting have with self integrated into one piece's support (3), support (3) bottom fixed mounting have many pins (4), a plurality of wire casings (5) that run through connecting plate (2) have been seted up to support (3) bottom, many wire casings (5) are offered respectively between a plurality of adjacent pins (4), two holding mouth (6) that run through center pillar (1) have been seted up to the surface of connecting plate (2), holding mouth (6) are used for installing the magnetic core, a plurality of recess (14) have been seted up at connecting plate (2) top; The two sides of the middle column (1) are provided with transverse openings (7), the stress blocks (8) are slidably mounted in the transverse openings (7), first telescopic springs (9) are horizontally and fixedly mounted on the opening walls of the transverse openings (7), and one ends, far away from the opening walls of the transverse openings (7), of the first telescopic springs (9) are fixedly connected with the surfaces of the stress blocks (8).
  2. 2. The high-frequency transformer framework with high insulation and high heat conduction characteristics according to claim 1, wherein two port walls of the transverse port (7) are provided with a through port (10) communicated with the accommodating port (6), and a limiting component for limiting the magnetic core to enter is arranged in the through port (10).
  3. 3. The high-frequency transformer framework with high insulation and high heat conduction characteristics according to claim 2, wherein the limiting assembly comprises two rotating shafts (11) which are symmetrically and horizontally rotatably installed in the through holes (10) and two stop blocks (12) which are respectively and fixedly installed at the end parts of the two rotating shafts (11), the two stop blocks (12) which are positioned in the through holes (10) are symmetrically arranged, one ends of the stop blocks (12) are positioned in the accommodating holes (6), the stop blocks (12) are connected with the opening walls of the through holes (10) through elastic components, an installation space (25) is reserved between the two ends of the stress block (8) and the two connecting plates (2), the installation spaces (25) respectively correspond to the positions of the limiting assemblies, and a pressing assembly for controlling the two stop blocks (12) positioned in the through holes (10) to relatively rotate is installed in the installation space (25).
  4. 4. A high frequency transformer skeleton with high insulation and high heat conductivity characteristics according to claim 3, wherein the elastic component comprises a torsion spring (13) sleeved on the rotating shaft (11), and two ends of the torsion spring (13) are fixedly connected with the surface of the stop block (12) and the mouth wall of the through hole (10) respectively.
  5. 5. The high-frequency transformer framework with high insulation and high heat conduction characteristics according to claim 4, wherein the pressing component comprises a sliding block (15) and a U-shaped pressing block (16) which are slidably installed in an installation space (25), the sliding block (15) is connected with the opening wall of the transverse opening (7) through a telescopic component, the pressing block (16) is fixedly installed on the surface, close to the transverse opening (7), of the sliding block (15), and two ends of the pressing block (16) respectively correspond to the surface positions of two stop blocks (12) located in the through opening (10).
  6. 6. The high-frequency transformer framework with high insulation and high heat conduction characteristics according to claim 5, wherein the telescopic component comprises two second telescopic springs (17), and two ends of each second telescopic spring (17) are fixedly connected with the surface of the sliding block (15) and the mouth wall of the transverse mouth (7) respectively.
  7. 7. The high-frequency transformer framework with high insulation and high heat conduction characteristics according to claim 5, wherein sliding grooves (18) are symmetrically formed in the surfaces, close to each other, of the two connecting plates (2), a tightening block (19) is slidably installed in each sliding groove (18), the groove wall, close to the center column (1), of each sliding groove (18) is positioned on the same horizontal line with the surface of the center column (1), and a plurality of tightening blocks (19) transversely move through pneumatic components.
  8. 8. The high-frequency transformer framework with high insulation and high heat conduction characteristics according to claim 7, wherein the pneumatic component comprises a plurality of bending hollow rods (20), a plurality of first push rods (21) and a plurality of second push rods (22), vertical openings (23) which are communicated with two sliding grooves (18) are symmetrically formed in the surface of the connecting plate (2), the plurality of bending hollow rods (20) are respectively and fixedly installed in the vertical openings (23) in a pairwise manner, two ends of the bending hollow rods (20) are respectively located in the vertical openings (23) and the sliding grooves (18), the plurality of first push rods (21) are respectively and slidably installed in one ends of the plurality of bending hollow rods (20) located in the vertical openings (23), the plurality of second push rods (22) are respectively and slidably installed in a sealing manner in one ends of the plurality of bending hollow rods (20) located in the sliding grooves (18), one ends of the two second push rods (22) located in the sliding grooves (18) are respectively and fixedly connected with the surfaces of the blocks (19) located in the sliding grooves (18) in a tightly abutting mode, and the plurality of first push rods (21) are connected with each other in a transversely movable mode.
  9. 9. The high-frequency transformer framework with high insulation and high heat conduction characteristics according to claim 8, wherein a plurality of first push rods (21) positioned in the vertical opening (23) respectively correspond to side wall positions at two ends of the plurality of supporting blocks (16), the connecting component comprises a plurality of pairs of connecting rods (24), the plurality of pairs of connecting rods (24) are respectively fixedly connected with side walls at two ends of the plurality of supporting blocks (16), and one ends of the plurality of connecting rods (24) away from the supporting blocks (16) are respectively fixedly connected with surfaces of the plurality of first push rods (21).
  10. 10. The high-frequency transformer framework with high insulation and high heat conduction characteristics according to claim 7, wherein a deformation layer (26) is adhered to one surface of the abutting block (19) away from the wall of the chute (18), and the deformation layer (26) is made of rubber.

Description

High-frequency transformer framework with high insulation and high heat conduction characteristics Technical Field The invention relates to the technical field of transformers, in particular to a high-frequency transformer framework with high insulation and high heat conduction characteristics. Background With the rapid development of the fields of portable electronic communication, digital equipment, automobile electronics and the like, electronic products are upgraded in the light, small and thin directions and in the high power direction, higher requirements are put on the volume, output power, insulating property and heat conduction efficiency of a high-frequency transformer, and a high-frequency transformer framework is used as a core bearing component of the transformer, so that the overall assembly precision, operation stability and service life of the transformer are directly determined by the structural design of the high-frequency transformer framework. The Chinese patent with publication number CN207082422U discloses a high-frequency transformer skeleton, including the skeleton center pillar that is equipped with cavity accommodation mouth and install in the chassis at skeleton center pillar one side both ends, the chassis is established pin and wire casing, accommodation mouth cross section is straight flange and tangent curved limit integrated configuration, promotes transformer output through increasing the connecting plate height and seting up the recess, optimizes center pillar structure simultaneously and makes insulating oil more easily permeate the coil, reinforcing insulating properties. Although the high-frequency transformer framework in the patent document is improved in the aspects of power improvement and basic insulation, the interlayer gap is large due to the fact that wires are easy to wind and loose in the winding process of the coil, electromagnetic coupling efficiency is reduced, the coil is easy to loosen and displace, insulation oil is unevenly impregnated due to loose coil arrangement, and insulation protection effect is affected. Disclosure of Invention The invention aims to solve the defects in the prior art, and the existing high-frequency transformer framework is improved in the aspects of power improvement and basic insulation, but leads are easy to wind and loosen in the winding process of coils to cause large interlayer gaps, so that the electromagnetic coupling efficiency is reduced, the coils are easy to loose and shift, the loose coils are distributed to cause uneven impregnation of insulating oil, and the insulation protection effect is affected. In order to achieve the above purpose, the present invention adopts the following technical scheme: The high-frequency transformer framework with the characteristics of high insulation and high heat conduction comprises a middle column, wherein connecting plates are fixedly arranged at two ends of the middle column, a bracket integrally formed with the middle column is fixedly arranged on the surface of each connecting plate, a plurality of pins are fixedly arranged at the bottom of each bracket, a plurality of wire slots penetrating through the connecting plates are formed in the bottom of each bracket, a plurality of wire slots are respectively formed between a plurality of adjacent pins, accommodating openings penetrating through the middle column are formed in the surfaces of two connecting plates, the accommodating openings are used for installing magnetic cores, and a plurality of grooves are formed in the tops of the connecting plates; The two sides of the middle column are provided with transverse openings, the stress blocks are slidably mounted in the transverse openings, the opening walls of the transverse openings are horizontally and fixedly provided with first telescopic springs, and one ends of the first telescopic springs, far away from the opening walls of the transverse openings, are fixedly connected with the surfaces of the stress blocks. As a preferable scheme, two port walls of the transverse port are provided with through holes communicated with the accommodating port, and a limiting assembly used for limiting the magnetic core to enter is arranged in each through hole. As a preferred scheme, the restriction subassembly includes that two symmetry level rotate the pivot of installing in the opening and two dog of fixed mounting respectively in two pivot tip, and two are located dog symmetry settings in the opening, and the one end of dog is located the holding mouth, the dog passes through elastomeric element and is connected with the mouth wall of opening, reserve the installation space between the both ends of atress piece and two connecting plates, a plurality of the installation space corresponds with the position of a plurality of restriction subassemblies respectively, and installs in the installation space and be used for controlling two dogs relative pivoted that are located the opening and s