CN115472392A - High-current annular vertical winding inductor and winding method thereof - Google Patents
High-current annular vertical winding inductor and winding method thereof Download PDFInfo
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- CN115472392A CN115472392A CN202211106230.7A CN202211106230A CN115472392A CN 115472392 A CN115472392 A CN 115472392A CN 202211106230 A CN202211106230 A CN 202211106230A CN 115472392 A CN115472392 A CN 115472392A
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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
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil 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
- H01F27/02—Casings
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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
- H01F27/02—Casings
- H01F27/025—Constructional details relating to 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
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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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
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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
- 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
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Abstract
The invention discloses a high-current annular vertical winding inductor and a winding method thereof, belonging to the technical field of electrical elements and comprising an inductor main body and a shielding case, wherein the inductor main body comprises an iron core and a vertical winding coil, the vertical winding coil is a plurality of coils formed by vertically winding a flat wire around an annular iron core to form a plurality of windings, and the outer edge surface of the iron core is provided with an annular heat dissipation groove; the shielding cover comprises a base and a metal cover, the metal cover is fixed on the upper end face of the base and used for placing the inductor main body, cooling oil is filled in the metal cover, an opening is formed in the top of the metal cover, a metal sealing cover is installed on the metal cover, and an insulating mechanism used for fixing the inductor main body is arranged on the lower end face of the metal sealing cover. According to the high-current annular vertical winding inductor and the winding method thereof, the plurality of radiating grooves are formed in the iron core and matched with the cooling oil in the metal cover, so that the radiating effect is improved, the high-current annular vertical winding inductor can be suitable for a high-current environment for a long time, and is safe and stable.
Description
Technical Field
The invention belongs to the technical field of electrical elements, and particularly relates to a high-current annular vertical winding inductor and a winding method thereof.
Background
An inductor is a component that can convert electrical energy into magnetic energy for storage. Inductors are typically comprised of a bobbin, winding, shield, potting material, core or core, and the like. The inductor has an inductance that resists the change in current, specifically if the inductor is in a state where no current is passing through it will attempt to resist the flow of current through it when the circuit is closed; if the inductor is in a current passing state, the inductor will try to keep the current unchanged when the circuit is opened.
The existing inductor is generally uniformly wound on a ring-shaped magnetic core in order to effectively improve electromagnetic interference generated by a leakage magnetic field in a high-frequency inductance closed magnetic circuit and eddy current loss formed by a winding conductor due to the leakage magnetic field, but when the ring-shaped vertical winding inductor manufactured by the process is used, because the ring-shaped vertical winding inductor is densely laminated and wound, the total contact area of the conductor and outside air is reduced, and the total contact area surrounds the magnetic core, so that the heat dissipation effect of the inductance is influenced.
Therefore, a high-current annular vertical winding inductor and a winding method thereof are provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when an existing annular vertical winding inductor is used, the radiating effect is limited, so that the radiating effect is poor and long-time stable operation is difficult to support under a high-current working environment, and provides a high-current annular vertical winding inductor and a winding method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-current annular vertical winding inductor comprises an inductor main body and a shielding cover, wherein the inductor main body comprises an iron core and a vertical winding coil, the vertical winding coil is a plurality of coils formed by vertically winding a flat wire around an annular iron core to form a plurality of windings, and an annular heat dissipation groove is formed in the outer edge surface of the iron core;
the shielding case includes base and metal covering, the metal covering is fixed in the up end of base, and supply the inductor main part is put into, just it has cooling oil liquid to fill in the metal covering, the top of metal covering is equipped with the opening to install metal sealing lid, the lower terminal surface of metal sealing lid is equipped with and is used for fixing the insulating mechanism of inductor main part.
Through the technical scheme, compared with the prior art, the high-current annular vertical winding inductor and the winding method thereof are simple in structure, and the heat dissipation effect is greatly improved by arranging the plurality of heat dissipation grooves on the iron core and matching with the cooling oil in the metal cover, so that the inductor main body can be suitable for a high-current environment for a long time and is safe and stable.
Furthermore, the iron core is of a circular ring structure formed by splicing two semi-annular magnetic blocks.
Through above-mentioned technical scheme, splice into the iron core through two semi-annular magnetic paths, be favorable to overlapping fast on the iron core and establish the winding.
Furthermore, the heat dissipation groove is an annular groove body formed by butting two sections of semi-annular groove bodies, and the two sections of semi-annular groove bodies of the heat dissipation groove are respectively arranged on the surfaces of the two semi-annular magnetic blocks of the iron core.
Through above-mentioned technical scheme, the surface area of iron core can be improved in the setting of radiating groove, does benefit to the heat dissipation.
Furthermore, a plurality of fixing holes are formed in the base, and the fixing holes are located at the edge of the base.
Through above-mentioned technical scheme, the fixed orifices can cooperate parts such as bolt to fix.
Furthermore, the insulation mechanism arranged on the lower end face of the metal sealing cover comprises an insulation plate and an insulation column, the insulation plate is arranged on the inner bottom face of the inductor main body, and the insulation column is fixed in the middle of the upper end face of the insulation plate.
Through above-mentioned technical scheme, usable insulating board and insulated column come fixed inductor main part.
Furthermore, a threaded jack is formed in the top of the insulating column, a threaded column is constructed in the middle of the lower end face of the metal sealing cover, and the threaded column is in threaded connection with the threaded jack to form fixation.
Through above-mentioned technical scheme, insulating cylinder accessible screw thread jack is pegged graft with the screw thread of screw thread post and is formed fixedly, makes things convenient for the dismouting.
Furthermore, the inductor main body surrounds the insulating column and is arranged on the upper end face of the insulating plate, a plurality of elastic pieces are symmetrically fixed in the middle of the insulating column, and the elastic pieces are elastically abutted to the inner side of the inductor main body.
Through the technical scheme, the inductor main body can be installed in the shielding cover and can be elastically abutted against the inner sides of the inductor main bodies with different specifications by utilizing the elastic sheets, so that the inductor main bodies with different specifications can be installed on the insulating columns, and the universality of the device is improved.
A winding method of a high-current annular vertical winding inductor is suitable for any one of the high-current annular vertical winding inductors, and comprises the following steps:
s1, forming an annular heat dissipation groove on the surface of an annular magnetic core;
s2, cutting the annular magnetic core in the S1 into two semi-annular magnetic blocks;
s3, vertically winding the flat lead into a square vertically-wound coil;
s4, inserting the two semi-annular magnetic blocks in the S2 into a square vertical winding coil in the S3;
s5, butting the other ends of the two semi-annular magnetic blocks to form an annular magnetic core;
and S6, bonding the butt joint gaps on the annular magnetic core in the S5.
Through above-mentioned technical scheme, utilize flat wire to form end to end's a plurality of square immediately around coil to the butt joint of two semi-annular magnetic blocks is cooperated, can locate the semi-annular magnetic block with square immediately around coil quick cover on, and utilize the butt joint of semi-annular magnetic block to form the annular and immediately around the inductor.
Furthermore, in S3, a plurality of square vertical winding coils formed by vertically winding the flat conducting wire are arranged, and the plurality of square vertical winding coils are connected end to form a spring-like structure.
Through above-mentioned technical scheme, can directly form continuous square vertical coil with flat wire, need not to coil in proper order along the magnetic core to can improve winding efficiency.
Further, in S4, the two magnetic blocks cut into the semi-ring shape are respectively inserted from two ends of the whole formed by the square vertical winding coils connected end to end until one ends of the two semi-ring shaped magnetic blocks are inserted into the square vertical winding coils and are in butt joint with each other, and the other ends of the two semi-ring shaped magnetic blocks are respectively located at two ends of the continuous square vertical winding coils to be bonded.
Through above-mentioned technical scheme, can combine continuous square vertical coil and magnetic core, accomplish the winding work of flat wire on the magnetic core.
In conclusion, the technical effects and advantages of the invention are as follows:
1. compared with the prior art, the high-current annular vertical winding inductor and the winding method thereof have the advantages that the structure is simple, the plurality of heat dissipation grooves are formed in the iron core, and the cooling oil liquid in the metal cover is matched, so that the heat dissipation effect of the inductor main body is greatly improved compared with that of the traditional inductor, the inductor main body can be suitable for a high-current environment for a long time, and the use effect is safe and stable;
2. meanwhile, the inductor main body can be stably fixed by matching with the shielding cover, the integral mechanical strength of the device is enhanced, and the influence of a magnetic field generated by the inductor main body in working on the normal work of other circuits and components can be avoided. The shielding cover can be used for fixing the inductor main bodies with different specifications by matching the insulating plate, the insulating column and the elastic sheet, and the universality is high.
Drawings
FIG. 1 is a front view of an inductor body of the present invention;
FIG. 2 is a top view of the inductor body of the present invention;
fig. 3 is a schematic structural view of a core according to the present invention;
FIG. 4 is a schematic view of a shield of the present invention;
FIG. 5 is a schematic diagram of the structure of the inductor body and the shield of the present invention;
fig. 6 is an enlarged view of the structure at a in fig. 5 according to the present invention.
In the figure: 1. an inductor body; 101. an iron core; 102. vertically winding a coil; 103. a heat sink; 2. a shield case; 201. a base; 20101. a fixing hole; 202. a metal cover; 203. a metal sealing cover; 20301. an electrical connection line; 20302. a threaded post; 4. an insulating plate; 5. an insulating column; 501. a threaded receptacle; 6. an elastic sheet.
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.
Referring to fig. 1, 2 and 3, a high current annular is around inductor immediately, includes inductor main part 1 and shield cover 2, inductor main part 1 includes iron core 101 and immediately winds coil 102, immediately wind coil 102 for flat wire around annular iron core 101 magnetic core immediately winds a plurality of coils that form, forms a plurality of windings, and iron core 101 is the ring structure that two semi-annular magnetic blocks splice formed, consequently, splices into iron core 101 through two semi-annular magnetic blocks for every semi-annular magnetic block before the concatenation, all can place in the both ends of immediately winding coil 102, thereby will immediately wind coil 102 and overlap fast on two semi-annular magnetic blocks, when making reuse two semi-annular magnetic blocks butt joint form annular iron core 101, can overlap immediately around coil 102 on iron core 101 fast, be favorable to improving winding efficiency.
Simultaneously, annular radiating groove 103 has been seted up on the outer fringe face of iron core 101, and is specific, radiating groove 103 is the annular cell body that two sections semi-annular cell bodies butt joint formed, just two sections semi-annular cell bodies of radiating groove 103 set up respectively in two semi-annular magnetic path surfaces of iron core 101, consequently, the setting of accessible radiating groove 103 improves the surface area of iron core 101 to be favorable to the heat dissipation.
In specific implementation, a winding method of a high-current annular vertical winding inductor is suitable for the high-current annular vertical winding inductor, and mainly comprises the following steps:
s1, forming an annular heat dissipation groove on the surface of an annular magnetic core;
s2, cutting the annular magnetic core in the S1 into two semi-annular magnetic blocks;
s3, vertically winding the flat conducting wire into a plurality of square vertically-wound coils 102 which are connected end to end;
s4, inserting the two semi-annular magnetic blocks in the S2 from two ends of the square vertical winding coil 102 in the S3 respectively until one ends of the two semi-annular magnetic blocks are in butt joint;
s5, butting the other ends of the two semi-annular magnetic blocks to form an annular magnetic core;
and S6, bonding the butt joint gaps on the annular magnetic core in the S5.
Therefore, according to the winding method of the high-current annular vertical winding inductor, the plurality of square vertical winding coils 102 which are connected end to end can be formed by utilizing the flat conducting wires, and the square vertical winding coils 102 can be quickly sleeved on the semi-annular magnetic blocks by matching with the butt joint of the two semi-annular magnetic blocks, and the annular vertical winding inductor can be formed by utilizing the butt joint of the semi-annular magnetic blocks.
Referring to fig. 4, 5 and 6, the shielding case 2 includes a base 201 and a metal cover 202, a plurality of fixing holes 20101 are formed in the base 201, and the fixing holes 20101 are located at an edge of the base 201, so that the shielding case 2 can be fixed by matching the fixing holes 20101 with a bolt or other components, and the use is convenient.
And the metal covering 202 is fixed in the up end of base 201, and supplies inductor main part 1 puts into, just it has the interior fluid of cooling to be filled with in the metal covering 202, during the concrete implementation, this fluid of cooling can adopt the fluid in the oil-immersed transformer to accessible fluid and the cooperation of radiating groove 103 on the iron core 101 improve the holistic radiating efficiency to inductor main part 1, do benefit to inductor main part 1 long-time steady operation under the high current environment.
Meanwhile, the top of the metal cover 202 is provided with an opening, the opening is hermetically provided with a metal sealing cover 203, the lower end face of the metal sealing cover 203 is provided with an insulating mechanism used for fixing the inductor main body 1, the insulating mechanism comprises an insulating plate 4 and an insulating column 5, the insulating plate 4 is arranged on the inner bottom face of the inductor main body 1, and the insulating column 5 is fixed in the middle of the upper end face of the insulating plate 4, so that the inductor main body 1 surrounds the insulating column 5 and is arranged on the upper end face of the insulating plate 4 to install the inductor main body 1 in the shielding cover 2. The top of the insulating column 5 is provided with a threaded jack 501, a threaded column 20302 is constructed in the middle of the lower end face of the metal sealing cover 203, the threaded column 20302 is in threaded insertion with the threaded jack 501 to form fixation, so that the insulating plate 4 and the insulating column 5 can be integrally fixed through the threaded insertion of the threaded jack 501 and the threaded column 20302, and the disassembly and the assembly are convenient.
During specific implementation, the metal sealing plate 203 is further fixed with two electrical connection lines 20301 in a sealing manner, one end of each electrical connection line 20301 extends out of the metal cover 2 and can be used for being connected into a circuit, and the other end of each electrical connection line 20301 extends into the metal cover 2 and can be used for being connected and fixed with the inductor main body 1 in a soldering manner.
Referring to fig. 5, a plurality of elastic pieces 6 are symmetrically fixed at the middle of the insulating column 5, and the elastic pieces 6 elastically abut against the inner side of the inductor main body 1, so that the inductor main body 1 placed on the insulating plate 4 and the insulating column 5 can be elastically abutted by the elastic pieces 6 from the inner side thereof, and thus the inductor main bodies 1 with different specifications can be mounted on the insulating column 5, and the universality of the device is improved.
The working principle is as follows: compared with the prior art, the high-current annular vertical winding inductor and the winding method thereof have the advantages that the structure is simple, the plurality of heat dissipation grooves 103 are formed in the iron core 101, and the cooling oil liquid in the metal cover 202 is matched, so that the heat dissipation effect is greatly improved, the inductor main body 1 can be suitable for a high-current environment for a long time, and the high-current annular vertical winding inductor is safe and stable.
During the specific use, can utilize flat wire to form a plurality of square vertical winding coils 102 of end to end, and the butt joint of two semi-annular magnetic path of cooperation, can locate the quick cover of square vertical winding coil 102 on the semi-annular magnetic path, and utilize the butt joint of semi-annular magnetic path to form the annular inductor of immediately winding, form inductor main part 1 promptly, then locate insulator column 5 with inductor main part 1 cover, and accept through insulation board 4, it comes to carry out the butt formation spacing fixed to inductor main part 1's inboard to recycle elastic sheet 6, make inductor main part 1 can stable installation in shield cover 2, shield through shield cover 2 and protect, can effectively avoid inductor main part 1 to influence other circuit and components and parts normal work in the magnetic field that produces at the during operation.
Meanwhile, the shielding case 2 can be stably fixed by matching the fixing hole 20101 with a bolt and other components, namely, the inductor body 1 can be stably fixed, and the overall mechanical strength of the device is enhanced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A high-current annular vertical winding inductor comprises an inductor main body (1) and a shielding case (2), and is characterized in that the inductor main body (1) comprises an iron core (101) and a vertical winding coil (102), the vertical winding coil (102) is a plurality of coils formed by vertically winding a flat conducting wire around the magnetic core of the annular iron core (101) to form a plurality of windings, and an annular heat dissipation groove (103) is formed in the outer edge surface of the iron core (101);
the shielding case (2) comprises a base (201) and a metal cover (202), wherein the metal cover (202) is fixed on the upper end face of the base (201) and used for placing the inductor main body (1), the metal cover (202) is filled with cooling oil, an opening is formed in the top of the metal cover (202) and provided with a metal sealing cover (203), and an insulating mechanism used for fixing the inductor main body (1) is arranged on the lower end face of the metal sealing cover (203).
2. The high-current annular vertical wound inductor according to claim 1, wherein the iron core (101) is a circular ring structure formed by splicing two semi-annular magnetic blocks.
3. The high-current annular vertically wound inductor according to claim 2, wherein the heat dissipation groove (103) is an annular groove body formed by butting two semi-annular groove bodies, and the two semi-annular groove bodies of the heat dissipation groove (103) are respectively arranged on the surfaces of the two semi-annular magnetic blocks of the iron core (101).
4. The high-current annular edgewise inductor according to claim 1, wherein said base (201) is formed with a plurality of fixing holes (20101), and said fixing holes (20101) are located at an edge of said base (201).
5. A high current circular type vertically wound inductor according to claim 1, wherein the insulating mechanism disposed on the lower end surface of the metal sealing cover (203) comprises an insulating plate (4) and an insulating column (5), the insulating plate (4) is disposed on the inner bottom surface of the inductor main body (1), and the insulating column (5) is fixed to the middle of the upper end surface of the insulating plate (4).
6. The high-current annular vertically wound inductor according to claim 5, wherein a threaded insertion hole (501) is formed in the top of the insulating column (5), a threaded column (20302) is formed in the middle of the lower end face of the metal sealing cover (203), and the threaded column (20302) is in threaded insertion with the threaded insertion hole (501) to form fixation.
7. The high-current annular vertical wound inductor according to claim 5, wherein the inductor main body (1) surrounds the insulating column (5) and is arranged on the upper end face of the insulating plate (4), a plurality of elastic sheets (6) are symmetrically fixed in the middle of the insulating column (5), and the elastic sheets (6) are elastically abutted against the inner side of the inductor main body (1).
8. A winding method of a high-current annular vertical winding inductor, which is suitable for the high-current annular vertical winding inductor as claimed in any one of claims 1 to 6, and is characterized by comprising the following steps:
s1, forming an annular heat dissipation groove on the surface of an annular magnetic core;
s2, cutting the annular magnetic core in the S1 into two semi-annular magnetic blocks;
s3, vertically winding the flat lead into a square vertically-wound coil (102);
s4, inserting the two semi-annular magnetic blocks in the S2 into a square vertical winding coil (102) in the S3;
s5, butting the other ends of the two semi-annular magnetic blocks to form an annular magnetic core;
and S6, bonding the butt joint gaps on the annular magnetic core in the S5.
9. The winding method of the high-current annular vertically wound inductor according to claim 8, wherein in the step S3, a plurality of square vertically wound coils (102) formed by vertically winding the flat wire are arranged, and the plurality of square vertically wound coils (102) are connected end to form a spring-like structure.
10. The winding method of a high-current annular vertically wound inductor according to claim 9, wherein in S4, the two magnetic blocks cut into semi-annular shapes are respectively inserted from two ends of the whole formed by the square vertically wound coils (102) connected end to end until one ends of the two semi-annular magnetic blocks are inserted into the square vertically wound coils (102) and are butted, and the other ends of the two semi-annular magnetic blocks are respectively located at two ends of the continuous square vertically wound coils (102) to be bonded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211106230.7A CN115472392A (en) | 2022-09-09 | 2022-09-09 | High-current annular vertical winding inductor and winding method thereof |
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| CN202211106230.7A CN115472392A (en) | 2022-09-09 | 2022-09-09 | High-current annular vertical winding inductor and winding method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863019A (en) * | 2023-02-28 | 2023-03-28 | 深圳市斯比特技术股份有限公司 | Flat wire vertically-wound inductor with inductance coil |
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2022
- 2022-09-09 CN CN202211106230.7A patent/CN115472392A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863019A (en) * | 2023-02-28 | 2023-03-28 | 深圳市斯比特技术股份有限公司 | Flat wire vertically-wound inductor with inductance coil |
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