CN115863019B - Inductor with flat wire vertically wound on inductance coil - Google Patents
Inductor with flat wire vertically wound on inductance coil Download PDFInfo
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- CN115863019B CN115863019B CN202310172764.8A CN202310172764A CN115863019B CN 115863019 B CN115863019 B CN 115863019B CN 202310172764 A CN202310172764 A CN 202310172764A CN 115863019 B CN115863019 B CN 115863019B
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Abstract
The invention discloses an inductor with a flat wire vertically wound induction coil, which comprises a bottom plate, wherein a connecting column is arranged on the bottom plate, the surface of the connecting column is provided with the induction coil, and a fixing device is arranged between the connecting column and the induction coil; the inductance coil comprises a combined magnetic core, the working performance of the inductance coil is improved by stacking a plurality of combined magnetic cores to increase the overall effective sectional area, a connecting sleeve of the inductance coil penetrates through the inner rings of the combined magnetic cores, the combined magnetic cores are fixed to be completely overlapped in the vertical direction, and magnetic induction confusion caused by the fact that the combined magnetic cores are not overlapped is avoided; the connecting column is connected with the ceramic plate of the fixing device through the elastic piece, the ceramic plate can absorb heat generated by the coil during working when fixing the inductance coil, and meanwhile, the ceramic plate with good insulation can prevent the current movement of the coil from generating the electricity leakage problem; the shell can prevent the induction coil from being influenced by an electromagnetic field of an external circuit and plays a role of electrostatic shielding.
Description
Technical Field
The invention relates to the technical field of inductors, in particular to an inductor with a flat wire vertically wound with an inductance coil.
Background
An inductor is a component that can convert electric energy into magnetic energy and store it. The inductor is similar in structure to a transformer but has only one winding. The inductor has a certain inductance, which only impedes the current variation. If the inductor is in a state where no current is passing, it will attempt to block the flow of current through it when the circuit is on; if the inductor is in a state where current is flowing, it will attempt to maintain the current unchanged when the circuit is open.
With the continuous improvement of the inductor, the technology of the inductor with a flat wire vertically wound is gradually improved, and in the present technology, there is a scheme for increasing the working performance of the inductor by stacking magnetic cores, for example, a high-frequency vertically wound inductor with a publication number of CN216389010U, which comprises a magnetic core group and a high-frequency winding, wherein the magnetic core group comprises a plurality of sequentially stacked magnetic cores, the high-frequency winding comprises a plurality of aluminum flat wires, a starting end and a junction tail end, which are arranged on the aluminum flat wires, and a plurality of aluminum flat wires are vertically wound on the magnetic cores.
However, the magnetic cores of the inductor are fixedly connected through steel belts, and the positions of the magnetic cores may deviate slightly to cause incomplete superposition, so that the whole magnetic field of the magnetic cores is disordered, and the working effect of the inductor is affected; meanwhile, the inductor has no shell, and the coil is exposed to the outside, so that the inductor works in a circuit and is easily influenced by electromagnetic fields of other electric devices; the inductor can not be used in a high-power circuit due to the fact that the coil is only in contact with air for heat dissipation, and therefore the application range of the inductor is affected.
Disclosure of Invention
The invention aims to solve the problems that the overlapped magnetic cores in the background art can not be completely overlapped, the electromagnetic coil has poor heat dissipation effect and is easily influenced by an electromagnetic field of an external circuit, and provides an inductor with a flat wire vertically wound induction coil.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a flat line immediately winds inductor of inductance coil, includes the bottom plate, is provided with the spliced pole on the bottom plate, is provided with inductance coil around the spliced pole, is provided with fixing device between spliced pole and the inductance coil, and the surface of spliced pole is provided with inductance coil, inductance coil includes:
the shape of the combined magnetic cores is the same annular shape, and the combined magnetic cores are overlapped and overlapped in the vertical direction;
the connecting sleeve penetrates through the inner rings of the plurality of combined magnetic cores, the positions of the plurality of combined magnetic cores on the surface are fixed, the magnetism of the combined magnetic cores is transmitted, the connecting sleeve enables the plurality of combined magnetic cores to have the same projection in the vertical direction, and the aluminum flat wires are wound on the surfaces of the plurality of combined magnetic cores and the connecting sleeve.
As a further scheme of the invention: the height of the connecting sleeve is the same as the height formed by stacking a plurality of combined magnetic cores.
As a further scheme of the invention: the cross section of the aluminum flat wire is rectangular.
As a further scheme of the invention: the included angles and the distances between the adjacent aluminum flat wires on the surface of the inductance coil are the same.
As a further scheme of the invention: a fixing device is arranged between the connecting column and the inductance coil, and the fixing device comprises:
the ceramic plates are circumferentially distributed about the center of the rotating shaft of the connecting column, elastic pieces are arranged between the ceramic plates and the connecting column, and the ceramic plates are in close contact with the inductance coil.
As a further scheme of the invention: the elastic piece is a plurality of extrusion springs, and a plurality of extrusion springs connected with the same ceramic plate are positioned on the same vertical straight line.
As a further scheme of the invention: the height of the ceramic plate is the same as that of the connecting sleeve, the contact surface of the ceramic plate and the connecting sleeve is an arc surface, and the radius of the arc surface is the same as that of the connecting sleeve.
As a further scheme of the invention: the bottom plate top is provided with the casing, and the top of casing can be dismantled and be connected with the end cover.
As a further scheme of the invention: the end cover is penetrated with a connecting wire which is electrically connected with the inductance coil.
As a further scheme of the invention: the bottom surface of end cover is provided with the double-screw bolt, and the top surface of spliced pole is provided with corresponding screw hole, passes through threaded connection between end cover and the spliced pole.
The invention has the beneficial effects that:
(1) According to the flat wire vertical winding inductance coil, the connecting sleeve is arranged, and the connecting sleeve is used for fixing the plurality of combined magnetic cores, so that the projections of the plurality of combined magnetic cores in the vertical direction are overlapped, the situation that magnetic fields of the combined magnetic cores are disordered when the combined magnetic cores are not overlapped is avoided, the winding position is smoother, and the winding quality of the inductance coil is improved;
(2) According to the flat wire vertical winding inductance coil, the shell is arranged, so that the shell protects the inductance coil inside the inductor and simultaneously has an electrostatic shielding effect on the inside, and the electromagnetic field of the inductance coil is prevented from being interfered by the outside;
(3) According to the flat wire vertical winding inductance coil, the fixing device is arranged, and the inductance coil is fixed through the elastic piece, so that the inductance coil can be adapted to coils with different specifications, and the application range of the inductance coil is widened;
(4) According to the flat wire vertical winding inductance coil, the ceramic plate is arranged, so that the inductance coil is fixed by the ceramic plate, meanwhile, the ceramic plate has insulativity and good heat dissipation, the coil can be cooled while the fixing effect is achieved, and meanwhile, the current transmission of the coil can be prevented from generating electric leakage.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the combined magnetic core of the present invention;
FIG. 2 is a schematic diagram of a flat wire vertically wound inductor according to the present invention;
fig. 3 is a cross-sectional view of an inductor of a flat wire vertically wound inductor coil of the present invention;
FIG. 4 is a schematic diagram of an inductor with a flat wire vertically wound inductor coil according to the present invention;
fig. 5 is a top view of the inductor and the fixing device of the present invention.
In the figure: 1. a bottom plate; 2. a housing; 3. a connecting column; 31. a threaded hole; 4. a fixing device; 41. extruding a spring; 42. a ceramic sheet; 5. an inductance coil; 51. a combined magnetic core; 52. a connecting sleeve; 53. an aluminum flat wire; 6. an end cap; 61. a stud; 7. and (5) connecting wires.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-2, the flat wire vertical winding inductor coil of the present invention includes an inductor coil 5, the inductor coil 5 is formed by a plurality of combined magnetic cores 51, the combined magnetic cores 51 are in the same annular shape, and the combined magnetic cores 51 are stacked together, so that the effective cross-sectional area of the whole inductor coil 5 can be effectively increased, thereby improving the working performance of the inductor coil 5, and simultaneously, the shape of the inductor coil 5 can be changed by changing the number of the combined magnetic cores 51, thereby adapting to more winding wires with different lengths, and enabling the winding wires to accurately surround the combined magnetic cores 51; most of the conventional coil cores are integrally formed, and the same type of core is applied to inductors corresponding to the size, but the combined core 51 can be adapted to more inductors through free combination.
The inner rings of the plurality of combined magnetic cores 51 of the inductance coil 5 are sleeved with the same connecting sleeve 52, and the connecting sleeve 52 is made of metal materials, so that the connecting sleeve 52 has good magnetic conductivity, the positions of the plurality of combined magnetic cores 51 on the surface are fixed, the magnetism of the combined magnetic cores 51 is transmitted, the combined magnetic cores 51 with the same shape are sleeved with the same connecting sleeve 52, so that the plurality of combined magnetic cores 51 have the same axial center, the connecting sleeve 52 can enable the plurality of combined magnetic cores 51 to have the same projection in the vertical direction, adjacent combined magnetic cores 51 are completely overlapped, and the situation that the electric field lines are disordered due to the relative deviation of the positions of the plurality of combined magnetic cores 51 is avoided; the aluminum flat wire 53 is wound on the combined magnetic core 51 and the connecting sleeve 52, and the aluminum flat wire 53 has smaller thickness compared with the traditional vertically-wound copper wire, so that the number of turns of the winding can be increased to more accurately adjust the working frequency.
The cross section of the aluminum flat wire 53 is rectangular, the rectangular aluminum flat wire 53 enables the shape of the inductance coil 5 to be more compact, and meanwhile, the connection area between the aluminum flat wire 53 and the combined magnetic core 51 and the connection sleeve 52 can be increased, so that the winding of the aluminum flat wire 53 is more stable; the included angle and the interval between the adjacent aluminum flat wires 53 on the surface of the inductance coil 5 are the same, so that the aluminum flat wires 53 uniformly wind the combined magnetic cores 51 and the connecting sleeve 52, electromagnetic induction of the inductance coil 5 is more uniform, the height of the connecting sleeve 52 is the same as the height formed by overlapping a plurality of combined magnetic cores 51, and gaps between the aluminum flat wires 53 and the combined magnetic cores 51 and the connecting sleeve 52 can be reduced when the aluminum flat wires 53 are wound, so that the winding quality of the aluminum flat wires 53 is improved.
When the inductance coil 5 acts in the circuit, the exposed coil is easily affected by electromagnetic fields of other electric appliances, so that the magnetic field of the magnetic core is disordered, the working efficiency of the coil is reduced, and the coil is generally prevented from being interfered by other electromagnetic fields by electrostatic shielding.
The top of the bottom plate 1 is fixedly connected with a shell 2, a connecting column 3 and an inductance coil 5 are positioned in an inner cavity of the shell 2, an opening is formed in the top of the shell 2, the opening enables the inner cavity of the shell 2 to be communicated with the outside, an end cover 6 is detachably connected with the inner cavity of the top of the shell 2, and a stud 61 is arranged at the bottom of the end cover 6; the top of the connecting column 3 is provided with a threaded hole 31, the threaded hole 31 is matched with the stud 61, and the end cover 6 is detachably connected with the connecting column 3 through the threaded fit of the threaded hole 31 and the stud 61; the end cover 6 is penetrated with a connecting wire 7, one end of the connecting wire 7 is positioned outside the shell 2, and the other end of the connecting wire 7 is electrically connected with the inductance coil 5.
This exposed coil can dissipate heat through direct contact with air, and after electrostatic shielding is performed by mounting the housing 2, the heat dissipation of the inductor coil 5 is affected, thereby affecting the service life of the inductor coil 5. Meanwhile, the inductance coil 5 is positioned inside the shell 2 and needs to be fixed, so that the stability of the inductance coil 5 during operation is ensured.
Referring to fig. 3-5, the inductor of the present invention comprises a bottom plate 1, a connection post 3 is disposed at the top of the bottom plate 1, the inductor 5 is sleeved on the surface of the connection post 3, a fixing device 4 is disposed between the connection post 3 and the inductor 5, the fixing device 4 comprises a plurality of extrusion springs 41, the other ends of the extrusion springs 41 far away from the connection post 3 are connected with a same ceramic plate 42, the ceramic plate 42 extrudes an aluminum flat wire 53 under the action force of the extrusion springs 41, and simultaneously, the center of the circle of the inductor 5 is adjusted to the center of the circle of the connection post 3. When the inductance coil 5 is in the working state, the ceramic piece 42 is contacted with the aluminum flat wire 53 to absorb heat generated during the working of the aluminum flat wire 53, meanwhile, the aluminum flat wire 53 possibly generates current due to electromagnetic induction, the ceramic piece 42 has insulativity, current can be isolated from flowing to the connecting column 3, the extrusion spring 41 enables the inductance coil 5 to be fixed by extruding the ceramic piece 42, so that the inductor can be suitable for coils with different specifications, and the application range of the inductor is improved.
Further, the plurality of extrusion springs 41 are positioned on the same vertical straight line, so that the plurality of extrusion springs 41 can uniformly push the ceramic plate 42 to fix the inductance coil 5; the surface of the ceramic piece 42 close to the inductance coil 5 is an arc surface, the radius of the arc surface is the same as that of the inductance coil 5, and the height of the ceramic piece 42 is the same as that of the connecting sleeve 52, so that the ceramic piece 42 can be fully contacted with the inner ring of the inductance coil 5, and the aluminum flat wire 53 can be extruded and radiated more effectively.
According to the inductor of the flat wire vertically wound induction coil, the whole effective sectional area is improved by superposing a plurality of combined magnetic cores 51; in order to avoid the coil being affected by the electromagnetic field in the circuit, the inductor coil 5 is electrostatically shielded by using the housing 2; after the shell 2 carries out electrostatic shielding to the induction coil 5, the induction coil 5 cannot be fully contacted with external air, so that the self heat dissipation effect is affected, the induction coil 5 is fixed through the fixing device 4, the fixing device 4 can be applied to coils different in size, the ceramic plate 42 of the fixing device 4 absorbs heat generated during operation of the induction coil 5, the induction coil 5 is effectively dissipated, and the insulation of the ceramic plate 42 can also prevent current leakage of the induction coil 5.
Example 2
Based on the above embodiment 1, the method for using the inductor of the flat wire vertically wound inductor coil according to the present invention includes the following steps:
step 1: the inductance coil 5 comprises a plurality of combined magnetic cores 51, and the height of the inductance coil 5 can be changed by superposing the combined magnetic cores 51 so as to adapt to more winding wires with different lengths, so that the winding wires can accurately surround the combined magnetic cores 51;
step 2: the same connecting sleeve 52 is sleeved in the middle of the plurality of combined magnetic cores 51, the connecting sleeve 52 overlaps the positions of the plurality of combined magnetic cores 51, meanwhile, the connecting sleeve 52 made of metal can transmit magnetism of the combined magnetic cores 51, and the aluminum flat wire 53 is uniformly vertically wound on the surfaces of the combined magnetic cores 51 and the connecting sleeve 52 to form a complete inductance coil 5;
step 3: the inductor 5 is sleeved on the surface of the connecting column 3, the connecting column 3 fixes the inductor 5 through the fixing device 4, the ceramic piece 42 of the fixing device 4 can absorb heat generated when the aluminum flat wire 53 works while playing the role of extrusion fixing, and the ceramic piece 42 can isolate the current of the inductor 5 from flowing to the connecting column 3;
step 4: the top of casing 2 is provided with end cover 6, passes through threaded connection between end cover 6 and the spliced pole 3, makes convenient dismantlement between end cover 6 and the casing 2, and 7 one end of connecting wire that end cover 6 set up is located casing 2 outsidely, and the other end of connecting wire 7 is connected with inductor 5, makes the inductor act on in the external circuit through connecting wire 7, and casing 2 can play electrostatic shielding's effect to inside inductor 5.
The working principle of the invention is as follows: according to the inductor of the flat wire vertically wound induction coil, the induction coil 5 with the combined magnetic cores 51 is arranged, and the combined magnetic cores 51 are stacked, so that the overall effective sectional area of the induction coil 5 is effectively increased, the electromagnetic induction effect of a continuous coil is improved, and the induction coil 5 with the magnetic induction coil has a larger application range; through the arrangement of the connecting sleeve 52, the connecting sleeve 52 penetrates through the inner rings of the plurality of combined magnetic cores 51, the connecting sleeve 52 fixes the plurality of combined magnetic cores 51, so that the projections of the plurality of combined magnetic cores 51 along the vertical direction are overlapped, and the situation that the combined magnetic cores 51 are not overlapped and overlapped to cause magnetic field confusion is avoided; through setting up fixing device 4, fixing device 4 passes through a plurality of extrusion springs 41 and connects ceramic plate 42, and ceramic plate 42 can fix inductor 5, makes the coil that the inductor can adapt to different specifications, has promoted the application scope of inductor, and ceramic plate 42 fixes inductor 5, and ceramic plate 42 can adsorb the heat of aluminium flat wire 53 in inductor 5 course of working, carries out effectual heat dissipation to inductor 5, and the insulating nature of ceramic plate 42 prevents inductor 5 from producing the electric leakage condition simultaneously; by providing the housing 2, the housing 2 protects the inductor coil 5 inside the inductor and also has an electrostatic shielding effect on the inside, thereby preventing the electromagnetic field of the inductor coil 5 from being disturbed by the outside.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (9)
1. The utility model provides a flat line immediately winds inductor of inductance coil, includes bottom plate (1), is provided with spliced pole (3) on bottom plate (1), and the surface of spliced pole (3) is provided with inductance coil (5), its characterized in that, inductance coil (5) include:
the shape of the combined magnetic cores (51) is the same circular ring shape, and the combined magnetic cores (51) are overlapped and overlapped in the vertical direction;
the connecting sleeve (52) is penetrated through the inner rings of the plurality of combined magnetic cores (51), the positions of the plurality of combined magnetic cores (51) on the surface are fixed, the magnetism of the combined magnetic cores (51) is transmitted, the connecting sleeve (52) enables the plurality of combined magnetic cores (51) to have the same projection in the vertical direction, and aluminum flat wires (53) are wound on the surfaces of the plurality of combined magnetic cores (51) and the connecting sleeve (52);
a fixing device (4) is arranged between the connecting column (3) and the inductance coil (5), and the fixing device (4) comprises:
the ceramic plates (42) are circumferentially distributed about the center of the rotating shaft of the connecting column (3), elastic pieces are arranged between the ceramic plates (42) and the connecting column (3), and the ceramic plates (42) are in close contact with the inductance coil (5).
2. A flat wire vertically wound inductor according to claim 1, characterized in that the height of the connecting sleeve (52) is the same as the height of the stacked formation of the plurality of combined cores (51).
3. An inductor of a flat wire vertically wound inductor according to claim 1, characterized in that the aluminum flat wire (53) has a rectangular cross section.
4. A flat wire vertically wound inductor according to claim 1, characterized in that the angle and distance between adjacent aluminum flat wires (53) on the surface of the inductor (5) are the same.
5. The inductor of a flat wire vertically wound inductor coil as claimed in claim 1, wherein said elastic member is a plurality of pressing springs (41), and wherein the plurality of pressing springs (41) connected to the same ceramic plate (42) are positioned on the same vertical line.
6. The inductor of a flat wire vertically wound inductor as set forth in claim 5, wherein the height of the ceramic sheet (42) is the same as the height of the connecting sleeve (52), the contact surface of the ceramic sheet (42) and the connecting sleeve (52) is an arc surface, and the radius of the arc surface is the same as the radius of the connecting sleeve (52).
7. The inductor of a flat wire vertically wound inductor coil according to claim 1, characterized in that the top of the bottom plate (1) is provided with a housing (2), and the top of the housing (2) is detachably connected with an end cap (6).
8. The inductor of a flat wire vertically wound inductor coil as claimed in claim 7, wherein the end cap (6) is provided with a connecting wire (7) therethrough, the connecting wire (7) being electrically connected to the inductor coil (5).
9. The inductor of a flat wire vertically wound inductor according to claim 8, characterized in that the bottom surface of the end cap (6) is provided with studs (61), the top surface of the connecting post (3) is provided with corresponding threaded holes (31), and the end cap (6) is screwed with the connecting post (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310172764.8A CN115863019B (en) | 2023-02-28 | 2023-02-28 | Inductor with flat wire vertically wound on inductance coil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310172764.8A CN115863019B (en) | 2023-02-28 | 2023-02-28 | Inductor with flat wire vertically wound on inductance coil |
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| CN115863019A CN115863019A (en) | 2023-03-28 |
| CN115863019B true CN115863019B (en) | 2023-05-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018125399A (en) * | 2017-01-31 | 2018-08-09 | 太陽誘電株式会社 | Electronic component, method of manufacturing electronic component, and electronic module |
| CN210640091U (en) * | 2019-08-22 | 2020-05-29 | 南县利尔达电子有限公司 | Vertical inductor convenient to installation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4386697B2 (en) * | 2003-09-19 | 2009-12-16 | 株式会社ダイフク | Composite core reactor and induction power receiving circuit |
| JP5888871B2 (en) * | 2011-05-02 | 2016-03-22 | 寺川 隆成 | Variable inductor |
| CN211265228U (en) * | 2019-11-15 | 2020-08-14 | 万佳（珠海）磁性材料科技有限公司 | Modular magnetic core inductor |
| CN216389010U (en) * | 2021-12-06 | 2022-04-26 | 深圳市京泉华科技股份有限公司 | High-frequency vertical winding inductor |
| CN115472392A (en) * | 2022-09-09 | 2022-12-13 | 湖南名巨电子科技有限公司 | High-current annular vertical winding inductor and winding method thereof |
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- 2023-02-28 CN CN202310172764.8A patent/CN115863019B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018125399A (en) * | 2017-01-31 | 2018-08-09 | 太陽誘電株式会社 | Electronic component, method of manufacturing electronic component, and electronic module |
| CN210640091U (en) * | 2019-08-22 | 2020-05-29 | 南县利尔达电子有限公司 | Vertical inductor convenient to installation |
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