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CN-224232470-U - Vertical winding inductor

CN224232470UCN 224232470 UCN224232470 UCN 224232470UCN-224232470-U

Abstract

The application provides a vertical winding inductor. The vertical winding inductor comprises a magnetic core and a first metal winding. The magnetic core comprises a magnetic core, wherein the cross section of the magnetic core is provided with uniformly distributed threaded protrusions, grooves are formed between the adjacent threaded protrusions, the first metal winding is wound in the grooves along the threaded direction of the threaded protrusions, the adjacent metal winding on the cross section of the magnetic core is separated by the threaded protrusions, and the height of the first metal winding on the cross section of the magnetic core is larger than that of the threaded protrusions. The application realizes equidistant interval between the first metal windings by arranging the uniformly distributed screw thread bulges on the cross section of the magnetic core, improves the heat dispersion performance of the inductor, ensures the electric performance stability of the inductor, and simultaneously clamps and fixes the first metal windings by the screw thread bulges, thereby effectively avoiding the vibration of the first metal windings caused by Lorentz force during working, eliminating the howling phenomenon and improving the reliability of the inductor.

Inventors

  • WU PENG
  • SHI WEI

Assignees

  • 西安图为电气技术有限公司

Dates

Publication Date
20260512
Application Date
20250409

Claims (9)

  1. 1. A stand-by inductor, comprising: The magnetic core (100) is provided with uniformly distributed threaded protrusions on the cross section of the magnetic core (100), and grooves are formed between adjacent threaded protrusions; The first metal winding (200) is wound in the groove along the thread direction of the thread protrusion, the thread protrusion separates adjacent metal windings on the cross section of the magnetic core (100), and the height of the first metal winding (200) on the cross section of the magnetic core (100) is larger than the height of the thread protrusion.
  2. 2. The elevation winding inductor of claim 1, further comprising: Skeleton (300), skeleton (300) cover is established on magnetic core (100), skeleton (300) keep away from the surface of magnetic core (100) is provided with evenly distributed's screw thread arch, and is adjacent be formed with the recess between the screw thread arch.
  3. 3. The elevation winding inductor of claim 1, further comprising: The second metal winding (400) is wound on the magnetic core (100), uniformly distributed threaded protrusions are formed on the cross section of the magnetic core (100), grooves are formed between the adjacent threaded protrusions, and the height of the second metal winding (400) on the cross section of the magnetic core (100) is smaller than that of the first metal winding (200) on the cross section of the magnetic core (100).
  4. 4. A standing wound inductor according to any one of claims 1 to 3, wherein the recess is coated with a thermally conductive silicone.
  5. 5. A standing wound inductor according to any one of claims 1-3, characterized in that the pitch P between adjacent said threaded bosses and the width W of said first metal winding (200) are 1.1 w≤p≤1.5W.
  6. 6. A standing wound inductor according to any one of claims 1-3, characterized in that the magnetic core (100) is of cylindrical structure of laminated silicon steel sheets, the threaded protrusion being in the shape of a rectangular threaded protrusion.
  7. 7. The standing wound inductor of claim 6 wherein the pitch between adjacent said threaded bosses is 1mm, the height of said threaded bosses is 0.5mm in the cross-section of said core (100), and the height of said first metal wire (200) is 2mm in the cross-section of said core (100).
  8. 8. A standing wound inductor according to any one of claims 1-3, characterized in that the magnetic core (100) is a cylindrical structure of nanocrystalline soft magnetic material, the thread protrusions being in the shape of trapezoidal thread protrusions.
  9. 9. The standing wound inductor of claim 8 wherein the pitch between adjacent said threaded bosses is 1.5mm, the height of said threaded bosses in the cross-section of said core (100) is 0.6mm, and the height of said first metal wire (200) in the cross-section of said core (100) is 3mm.

Description

Vertical winding inductor Technical Field The application relates to the technical field of power electronics, in particular to a bus power supply device and a control method. Background The conventional vertical winding inductor adopts a scheme of a flat wire or an enameled wire, is vertically wound on a cylindrical magnetic core, forms two reverse spiral windings when being wound, is wound on the magnetic cores on two sides in opposite directions, and can be used for adjusting the material, the wire diameter size, the magnetic core material and the like of a coil of the inductor according to the application and the like in practical design. However, the conventional vertical winding inductor has the following problems: 1. The heat dissipation is poor, namely the contact area between closely arranged copper wires is large, heat is accumulated in the winding gap and can only be dissipated through the end face, and the heat dissipation area of the internal magnetic core is smaller; 2. The mechanical stability is poor, in order to optimize the heat dispersion of the coil and the magnetic core, a certain interval is generally increased between the coils to increase the air flow, the overall heat dispersion of the inductor is improved, and when the interval of the windings is increased, complicated tooling equipment and manufacturing procedures are required to ensure the equidistant and the consistency, and the copper wires of the coils vibrate in the alternating magnetic field due to the Lorentz force during the working, so that certain noise or whistling sound is generated and the insulation layers of the coils are worn. Disclosure of utility model In view of the above, it is desirable to provide a standing wound inductor. A stand-by inductor, comprising: The cross section of the magnetic core is provided with uniformly distributed threaded protrusions, and grooves are formed between adjacent threaded protrusions; the first metal winding is wound in the groove along the thread direction of the thread protrusion, the thread protrusion separates adjacent metal windings on the cross section of the magnetic core, and the height of the first metal winding on the cross section of the magnetic core is larger than the height of the thread protrusion. In one embodiment, the standing winding inductor further includes: The framework is sleeved on the magnetic core, uniformly distributed threaded protrusions are arranged on the surface, away from the magnetic core, of the framework, and grooves are formed between the adjacent threaded protrusions. In one embodiment, the standing winding inductor further includes: The second metal winding is wound on the magnetic core, uniformly distributed threaded protrusions are formed on the cross section of the magnetic core, grooves are formed between the adjacent threaded protrusions, and the height of the second metal winding on the cross section of the magnetic core is smaller than that of the first metal winding on the cross section of the magnetic core. In one embodiment, the grooves are coated with heat conductive silica gel. In one embodiment, the pitch P between adjacent thread protrusions and the width W of the first metal winding are 1.1 W≤P≤1.5W. In one embodiment, the magnetic core is a cylindrical structure formed by stacking silicon steel sheets, and the threaded protrusion is rectangular. In one embodiment, the pitch between adjacent screw protrusions is 1mm, the height of the screw protrusions is 0.5mm on the cross section of the magnetic core, and the height of the first metal wire winding is 2mm on the cross section of the magnetic core. In one embodiment, the magnetic core is a cylindrical structure made of nanocrystalline soft magnetic material, and the thread protrusions are trapezoidal thread protrusions. In one embodiment, the pitch between adjacent screw protrusions is 1.5mm, the height of the screw protrusions is 0.6mm on the cross section of the magnetic core, and the height of the first metal winding is 3mm on the cross section of the magnetic core. Compared with the prior art, the vertical winding inductor comprises the magnetic core and the first metal winding. The magnetic core comprises a magnetic core, wherein the cross section of the magnetic core is provided with uniformly distributed threaded protrusions, grooves are formed between the adjacent threaded protrusions, the first metal winding is wound in the grooves along the threaded direction of the threaded protrusions, the adjacent metal winding on the cross section of the magnetic core is separated by the threaded protrusions, and the height of the first metal winding on the cross section of the magnetic core is larger than that of the threaded protrusions. The application realizes equidistant interval between the first metal windings by arranging the uniformly distributed screw thread bulges on the cross section of the magnetic core, improves the heat dispersion performance of the inductor, ensu