CN113096936A - CW high-frequency winding inductor and manufacturing method thereof - Google Patents
CW high-frequency winding inductor and manufacturing method thereof Download PDFInfo
- Publication number
- CN113096936A CN113096936A CN202110293882.5A CN202110293882A CN113096936A CN 113096936 A CN113096936 A CN 113096936A CN 202110293882 A CN202110293882 A CN 202110293882A CN 113096936 A CN113096936 A CN 113096936A
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- China
- Prior art keywords
- shell
- magnetic core
- coil
- winding
- installation department
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
Abstract
The invention discloses a CW high-frequency winding inductor, which comprises a shell, a winding coil and a magnetic core, wherein the upper end of the shell is provided with four contact blocks, the four contact blocks are respectively arranged at the corners of the shell, two adjacent contact blocks are symmetrically distributed, the inner ends of the contact blocks are respectively provided with an arc surface, the arc surfaces surround and form a ring-shaped limiting groove, the central position of the shell is provided with a hollow mounting groove, the upper end of the shell is also provided with at least one group of positioning grooves, the bottom of the shell is provided with a heat dissipation assembly, the heat dissipation assembly comprises a heat conducting sheet and connecting parts arranged at two sides of the heat conducting sheet, the heat conducting sheet and the connecting parts are integrally formed, the outer ends of the connecting parts are connected with the inner wall of the shell in an adhesive manner, the upper end of the magnetic core is provided with a first mounting part, the lower end of the magnetic core is provided with a, the second installation part penetrates through the installation groove and then is placed on the surface of the heat conducting fin.
Description
Technical Field
The invention relates to the technical field of inductors, in particular to a CW high-frequency winding inductor and a manufacturing method thereof.
Background
The inductor is also called an inductance coil, which is one of the basic elements constituting an electronic circuit, and the electromagnetic induction phenomenon shows that as long as the magnetic flux passing through the coil changes, the coil will induce electromotive force, and simultaneously induced electromotive force can be generated at other adjacent coils.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a CW high-frequency winding inductor.
The technical scheme adopted by the invention for solving the technical problems is as follows: a CW high-frequency wound inductor includes a case, a winding coil composed of a coil wound at least one turn, each end of the winding coil may have a corresponding lead-out terminal, each lead-out terminal may be connected to an external electrode, the upper end of the shell is provided with four contact blocks which are respectively arranged at the corners of the shell, two adjacent contact blocks are symmetrically distributed, the inner end of each contact block is provided with an arc-shaped surface which surrounds and forms an annular limiting groove, the central position of the shell is provided with a hollow mounting groove, and the upper end of the shell is also provided with at least one group of positioning grooves, the bottom of the shell is provided with a heat dissipation component, the heat dissipation assembly comprises a heat conducting fin and connecting parts arranged on two sides of the heat conducting fin, the heat conducting fin and the connecting parts are integrally formed, and the outer end of the connecting part is connected with the inner wall of the shell in an adhesive manner;
the upper end of magnetic core is equipped with first installation department, and the lower extreme of magnetic core is equipped with the second installation department, first installation department is equipped with the locating piece identical with the constant head tank shape, and the external diameter of first installation department equals with the external diameter of spacing groove, place on the surface of conducting strip after the second installation department runs through the mounting groove.
Preferably, an annular limiting ring is formed on the surface of the heat conducting fin, and the inner wall of the limiting ring is in contact with the outer wall of the second mounting portion.
Preferably, the arc-shaped surface is provided with a gasket which is in contact with the outer wall of the first mounting part.
Preferably, the outer diameter of the first mounting portion is greater than the outer diameter of the mounting groove, and the outer diameter of the second mounting portion is less than the outer diameter of the mounting groove.
A manufacturing method of a CW high-frequency wound inductor comprises the following steps:
step S1: winding a spring-shaped hollow coil by using a copper wire and carrying out cast molding on the coil to form a winding coil;
step S2: embedding the winding coil outside the magnetic core;
step S3: assembling the magnetic core and the shell;
step S4: testing the wafer by using a testing instrument to judge good products and defective products;
step S5: and (5) appearance detection and packaging.
Compared with the prior art, the invention has the beneficial effects that:
utilize the copper line coiling to become the hollow coil of spring form and cast the pressure equipment to it and mould in order to form the winding coil, with the winding coil nestification in the magnetic core outside, during assembly magnetic core and casing, first installation department passes through the locating piece and pegs graft with the casing, first installation department contacts with the gasket simultaneously, further effectively restrict the magnetic core position, the second installation department contacts with the conducting strip, the heat accessible conducting strip that the winding coil gived off from this effectively gives off, meanwhile have the radiating clearance of being convenient for between winding coil and the casing, can effectively prolong CW high frequency wire winding inductor's life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the housing of the present invention;
fig. 3 is a schematic structural diagram of the magnetic core of the present invention.
Reference numbers in the figures:
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a CW high-frequency wound inductor, which includes a housing 1, a winding coil and a magnetic core 2, wherein the winding coil is formed by winding at least one turn of coil, each end of the winding coil may have a corresponding lead-out terminal, each lead-out terminal may be connected to an external electrode, the upper end of the housing is provided with four contact blocks 8, the four contact blocks 8 are respectively disposed at corners of the housing 1, two adjacent contact blocks 8 are symmetrically distributed, and an inner end of each contact block 8 is provided with an arc surface, the arc surface surrounds and forms a ring-shaped limiting groove 12, a hollow mounting groove 10 is disposed at a central position of the housing 1, the upper end of the housing 1 is further provided with at least one set of positioning grooves 9, the bottom of the housing 1 is provided with a heat dissipation assembly, the heat dissipation assembly includes a heat conduction sheet 6 and connecting portions 7 disposed at two sides of the heat conduction sheet, the heat conducting fins 6 and the connecting part 7 are integrally formed, and the outer end of the connecting part 7 is connected with the inner wall of the shell 1 in an adhesive manner;
the upper end of magnetic core 2 is equipped with first installation department 3, and the lower extreme of magnetic core 2 is equipped with second installation department 4, first installation department 3 is equipped with the locating piece 5 identical with constant head tank 9 shape, and the external diameter of first installation department 3 equals with the external diameter of spacing groove 12, place on the surface of conducting strip 6 after second installation department 4 runs through mounting groove 10.
Preferably, an annular limiting ring 13 is formed on the surface of the heat conducting sheet 6, and the inner wall of the limiting ring 13 is in contact with the outer wall of the second mounting part 4.
Preferably, the arc-shaped surface is provided with a gasket 11 contacting with the outer wall of the first mounting part 3.
Preferably, the outer diameter of the first mounting portion 3 is larger than that of the mounting groove 10, and the outer diameter of the second mounting portion 4 is smaller than that of the mounting groove 10.
A manufacturing method of a CW high-frequency wound inductor comprises the following steps:
step S1: winding a spring-shaped hollow coil by using a copper wire and carrying out cast molding on the coil to form a winding coil;
step S2: embedding the winding coil outside the magnetic core;
step S3: assembling the magnetic core and the shell;
step S4: testing the wafer by using a testing instrument to judge good products and defective products;
step S5: and (5) appearance detection and packaging.
Utilize the copper line coiling to become the hollow coil of spring form and cast the pressure equipment to it and mould in order to form the winding coil, with the winding coil nestification in the magnetic core outside, during assembly magnetic core and casing, first installation department passes through the locating piece and pegs graft with the casing, first installation department contacts with the gasket simultaneously, further effectively restrict the magnetic core position, the second installation department contacts with the conducting strip, the heat accessible conducting strip that the winding coil gived off from this effectively gives off, meanwhile have the radiating clearance of being convenient for between winding coil and the casing, can effectively prolong CW high frequency wire winding inductor's life.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A CW high-frequency winding inductor comprises a shell, a winding coil and a magnetic core, wherein the winding coil is composed of a coil wound by at least one turn, each end part of the winding coil can be provided with a corresponding leading-out terminal, each leading-out terminal can be connected with an outer electrode, the CW high-frequency winding inductor is characterized in that the upper end of the shell is provided with four contact blocks, the four contact blocks are respectively arranged at the corners of the shell, two adjacent contact blocks are symmetrically distributed, the inner end of each contact block is provided with an arc-shaped surface, the arc-shaped surface surrounds and forms an annular limiting groove, the central position of the shell is provided with a hollow mounting groove, the upper end of the shell is also provided with at least one group of positioning grooves, the bottom of the shell is provided with a heat dissipation assembly, the heat dissipation assembly comprises a heat conducting sheet and connecting parts arranged at two sides of the, the outer end of the connecting part is connected with the inner wall of the shell in an adhesive manner;
the upper end of magnetic core is equipped with first installation department, and the lower extreme of magnetic core is equipped with the second installation department, first installation department is equipped with the locating piece identical with the constant head tank shape, and the external diameter of first installation department equals with the external diameter of spacing groove, place on the surface of conducting strip after the second installation department runs through the mounting groove.
2. The CW high-frequency wound inductor according to claim 1, wherein a ring-shaped stopper ring is formed on a surface of the heat conductive sheet, and an inner wall of the stopper ring is in contact with an outer wall of the second mounting portion.
3. A CW high-frequency wound inductor according to claim 1, wherein the arc-shaped face is provided with a spacer which contacts with an outer wall of the first mounting portion.
4. The CW high-frequency wound inductor according to claim 1, wherein an outer diameter of the first mounting portion is larger than an outer diameter of the mounting groove, and an outer diameter of the second mounting portion is smaller than the outer diameter of the mounting groove.
5. A manufacturing method of a CW high-frequency wound inductor comprises the following steps:
step S1: winding a spring-shaped hollow coil by using a copper wire and carrying out cast molding on the coil to form a winding coil;
step S2: embedding the winding coil outside the magnetic core;
step S3: assembling the magnetic core and the shell;
step S4: testing the wafer by using a testing instrument to judge good products and defective products;
step S5: and (5) appearance detection and packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110293882.5A CN113096936A (en) | 2021-03-18 | 2021-03-18 | CW high-frequency winding inductor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110293882.5A CN113096936A (en) | 2021-03-18 | 2021-03-18 | CW high-frequency winding inductor and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113096936A true CN113096936A (en) | 2021-07-09 |
Family
ID=76668796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110293882.5A Pending CN113096936A (en) | 2021-03-18 | 2021-03-18 | CW high-frequency winding inductor and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113096936A (en) |
-
2021
- 2021-03-18 CN CN202110293882.5A patent/CN113096936A/en active Pending
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