CN215498304U - Novel electromagnetic coupling energy transmission device - Google Patents
Novel electromagnetic coupling energy transmission device Download PDFInfo
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- CN215498304U CN215498304U CN202120622247.2U CN202120622247U CN215498304U CN 215498304 U CN215498304 U CN 215498304U CN 202120622247 U CN202120622247 U CN 202120622247U CN 215498304 U CN215498304 U CN 215498304U
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- 230000008878 coupling Effects 0.000 title claims abstract description 21
- 238000010168 coupling process Methods 0.000 title claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 title claims abstract description 10
- 239000000696 magnetic material Substances 0.000 claims abstract description 111
- 239000013013 elastic material Substances 0.000 claims abstract description 22
- 239000012858 resilient material Substances 0.000 claims abstract description 3
- 239000004020 conductor Substances 0.000 claims description 10
- 230000035699 permeability Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
A novel electromagnetic coupling energy transmission device is characterized by comprising a shell, a first magnet structure, a second magnet structure, a coil, a first soft magnetic material, a second soft magnetic material, an elastic material and an electromagnetic coupling energy circuit; said resilient material is compressed when both said first soft magnetic material and said second soft magnetic material are attracted to said second magnet structure; when the first soft magnetic material or the second soft magnetic material detaches from the second magnet structure, the elastic material is released and expands to form a non-conical structure.
Description
Technical Field
The invention relates to an electromagnetic coupling energy transmission device with magnetic attraction capability, in particular to the electromagnetic coupling energy transmission device which is also provided with a mechanical structure for realizing temporary fixation through the attraction of another group of magnets.
Background
With the advent of the iPhone12 mobile phone, the matched magnetic wireless charger comes to the surface, and the back of the mobile phones such as the iPhone12 and the like cannot be provided with a very thick or uneven surface, so that the popular accessories which assist to hold the mobile phone for a long time and are used as temporary swinging mobile phone supports, such as popsockets which are 7mm in thickness and generate obvious protrusions when being attached to the back of the mobile phone, cannot be used continuously.
Because a user has a requirement of holding the mobile phone for a long time when the magnetic wireless charger is used for charging the mobile phone, or the mobile phone needs to be placed on a desktop transversely temporarily, a structure which is flattened and stretched according to popsockets is designed for the magnetic wireless charger, and meanwhile, the advantage that the whole thickness is kept at about 7mm after being flattened, which is the advantage of being convenient for holding the mobile phone by using the radian of a human hand, is achieved.
Disclosure of Invention
The invention discloses a novel electromagnetic coupling energy transmission device which is characterized by comprising a shell, a first magnet structure, a second magnet structure, a coil, a first soft magnetic material, a second soft magnetic material, an elastic material and an electromagnetic coupling energy circuit, wherein the shell is made of a soft magnetic material; the housing has a first outer surface for electromagnetic coupling energy transmission; the first magnet structure is provided with at least one magnet unit which is annularly arranged on a first plane, the first magnet structure is relatively fixed with the shell, one side surface of each magnet unit, which is close to the first outer surface, is provided with a pair of different magnetic poles A and magnetic poles B, the magnetic poles A are closer to the annular center of the annular arrangement, and the included angle between one side surface of each magnet unit, which is close to the first outer surface, and the first outer surface is less than 60 degrees; the second plane where the coil is located is basically parallel to the first plane, the coil and the shell are fixed relatively, and the projection of each magnet unit on the plane where the first outer surface is located on the outer side of the projection of the coil on the plane where the first outer surface is located; the side, away from the first outer surface, of the coil is provided with the first soft magnetic material, the first soft magnetic material is fixed relative to the shell, the relative permeability u0 of the first soft magnetic material is not less than 50, and the magnetic saturation intensity under the condition of a static magnetic field is not less than 0.01T; a second magnet structure is arranged on one side, away from the first outer surface, of the first soft magnetic material, the second magnet structure is provided with at least one magnet unit arranged on a third plane, and one side, close to the first soft magnetic material, of the second magnet structure is structurally matched with one side, close to the second magnet structure, of the first soft magnetic material; a second soft magnetic material is arranged on the side, away from the first outer surface, of the second magnet structure, the second soft magnetic material is movable relative to the housing, a side, close to the second soft magnetic material, of the second magnet structure is structurally matched with a side, close to the second magnet structure, of the second soft magnetic material, the relative magnetic permeability u0 of the second soft magnetic material is not less than 50, and the magnetic saturation intensity under the condition of a static magnetic field is not less than 0.01T; the elastic material is arranged between the first soft magnetic material and the second soft magnetic material, the elastic material is fixed on the first soft magnetic material close to the end face of the first soft magnetic material, and the elastic material is fixed on the second soft magnetic material close to the end face of the second soft magnetic material; when the elastic material is deformed, the second soft magnetic material can be close to or far away from the shell;
after the elastic material is pressed by the first soft magnetic material and the second soft magnetic material along the axis of the coil, the second magnet structure is attracted to one side of the first soft magnetic material or the second soft magnetic material close to the second magnet structure through magnetic attraction, so that the shell and the second soft magnetic material are kept fixed; the electromagnetic coupling energy circuit is used for outputting or inputting alternating current, is electrically connected with the coil to realize magnetic-electric conversion, and has at least one stable electric plane.
The second magnet structure is fixed on the second soft magnetic material, and one side, close to the first outer surface, of the second magnet structure is provided with at least one pair of a magnetic pole A and a magnetic pole B which are different; a first groove is designed on one side face, close to the first soft magnetic material, of the second magnet structure, or a first hole is designed from one side face, close to the first soft magnetic material, to one side face, close to the first soft magnetic material; a first convex structure is fixed on one side surface of the second soft magnetic material, which is close to the first magnet structure, the shape of the first convex structure is a cone or a cylinder with the size being smaller as the second soft magnetic material is farther away from the first soft magnetic material, and the first convex structure is used for limiting the radial movement of the second soft magnetic material when the elastic material is compressed; the first projection structure is inserted into the first recess or through the first hole while the housing and the second soft magnetic material are held stationary.
Or the second magnet structure is fixed on the first soft magnetic material, and the side, away from the first outer surface, of the second magnet structure is provided with at least one pair of different magnetic poles A and magnetic poles B; a second groove is designed on one side face, close to the second soft magnetic material, of the second magnet structure, or a second hole is designed from one side face, close to the second soft magnetic material, to one side face, close to the first soft magnetic material; a second convex structure is fixed on one side surface of the second soft magnetic material, which is close to the second magnet structure, the shape of the second convex structure is a cone or a cylinder with the size smaller as the second soft magnetic material is farther away, and the second convex structure is used for limiting the radial movement of the second soft magnetic material when the elastic material is compressed; the second projection structure is inserted into the second recess or through the second hole while the housing and the second soft magnetic material are held stationary. In order to further facilitate the compression of the elastic material in order to limit the radial movement of the second soft magnetic material, it is necessary to extend the height of the second raised structure, so that the first soft magnetic material is provided with a third recess or a third hole in the area adjacent to the second hole.
In order to improve the magnetic field adsorption force of the second magnet structure, the second magnet structure is provided with at least four second magnet units which are annularly arranged according to the head-to-head connection of the Halbach array.
In order to reduce EMI, the first soft magnetic material has a conductor structure which is a stabilized potential eddy current damper and is electrically connected to the stabilized electrical plane of the electromagnetically coupled energy circuit via a conductor or is electrically connected to the stabilized electrical plane of the electromagnetically coupled energy circuit via a high-frequency low-resistance circuit having a conductor.
In order to reduce the thickness after flattening, the elastic material is a single rotationally symmetrical hollow cavity.
The beneficial effects are that realized that magnetism is favorable to when wireless charging to be held the cell-phone for a long time and operate, as temporary horizontal cell-phone frame and can flatten when not using and accomodate the target that is favorable to the staff of about 7mm thickness and grips.
Drawings
FIG. 1 is an axial plan view of a first embodiment of the invention after the resilient material has collapsed and sprung.
Fig. 2 is a schematic diagram of the mobile phone of the invention being used by being held by fingers and swinging on a desktop using a mobile phone end after being adsorbed on the mobile phone by the first magnet structure and the elastic material bounces.
Fig. 3 is a schematic view of the magnetic field arrangement of the first magnet structure and the structural relationship of the first magnet structure and the projection of the coil on the plane of the first outer surface according to the first embodiment of the present invention.
Fig. 4 is a schematic view of a first embodiment of the magnetic field distribution of the first soft magnetic material, the second magnet structure and the second magnet unit according to the first embodiment of the present invention.
Fig. 5 is a schematic diagram of a second magnet structure of the present invention in a Halbach array in a first-to-last annular arrangement.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention and do not limit the application scope of the present invention, and it is obvious for a person skilled in the art to apply the present invention to other similar scenes according to the drawings without creative efforts; as used in this specification and the appended claims, the singular forms "a", "an", and/or "the" include plural referents unless the context clearly dictates otherwise. In general, the terms "comprises" or "comprising" merely indicate that steps and elements which are explicitly identified are included, that these steps and elements do not constitute an exclusive list, and that a method or apparatus may also comprise other steps or elements. The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment".
As shown in fig. 1, the novel electromagnetic coupling energy transmission device disclosed by the invention comprises a housing 1, a first magnet structure 2, a second magnet structure 3, a coil 4, a first soft magnetic material 5, a second soft magnetic material 6, an elastic material 7 and an electromagnetic coupling energy circuit 8. The first soft magnetic material 6 has a third hole and a second hole distributed with the second magnet structure 3, while the second soft magnetic material has a second projection structure 61. When the elastic material 7 is compressed by the compression deformation, the second magnet structure 3 fixed to the first soft magnetic material 5 attracts the second soft magnetic material 6 by a magnetic force, and the second projection structure 61 passes through the second hole of the second magnet structure 3. When the second magnet structure 3 and the second soft magnetic material 6 are not magnetically attracted because they are far away from each other, the elastic material 7 springs up. The electromagnetic coupling energy circuit 8 is electrically connected with the coil 4 to realize the 'electromagnetic-magnetic' conversion function of the electromagnetic coupling energy. When necessary, the electromagnetic coupling energy circuit 8 is electrically connected with the first soft magnetic material 5 with a conductor structure through a conductor, or is electrically connected with the first soft magnetic material with a high-frequency low-resistance circuit through the conductor so as to reduce EMI.
As shown in fig. 3, the first magnet structure 2 of the present invention surrounds the coil 4, and a side of each first magnet unit 21 of the first magnet structure 2 near the first outer surface 11 has a pair of different magnetic poles a and B with the magnetic pole a closer to the center of the ring arrangement.
As shown in fig. 4, the second magnet structure 3 is fixed on one side of the first soft magnetic material 5, and a side of the second magnet structure 3 close to the second soft magnetic material 6 has at least one pair of a magnetic pole a and a magnetic pole B different from each other, so that when the second soft magnetic material 6 is attracted, more magnetic flux is transmitted in the second soft magnetic material 6 to improve the attraction force and reduce the interference of penetrating the second soft magnetic material 6 to the outside.
As shown in fig. 5, the second magnet structure 3 is arranged in a ring shape by adopting Halbach array in the head-to-head connection, which can further enhance the magnetic attraction force to the second soft magnetic material 6 and reduce the magnetic flux penetrating through the first soft magnetic material 5 to reduce the interference to the coil 4.
Claims (7)
1. A novel electromagnetic coupling energy transmission device is characterized by comprising a shell, a first magnet structure, a second magnet structure, a coil, a first soft magnetic material, a second soft magnetic material, an elastic material and an electromagnetic coupling energy circuit;
the housing has a first outer surface for electromagnetic coupling energy transmission;
the first magnet structure is provided with at least one first magnet unit which is annularly arranged on a first plane, the first magnet structure is relatively fixed with the shell, one side surface of each first magnet unit, which is close to the first outer surface, is provided with a pair of different magnetic poles A and magnetic poles B, the magnetic poles A are closer to the annular center of the annular arrangement, and the included angle between one side surface of each first magnet unit, which is close to the first outer surface, and the first outer surface is less than 60 degrees;
the second plane where the coil is located is basically parallel to the first plane, the coil and the shell are fixed relatively, and the projection of each magnet unit on the plane where the first outer surface is located on the outer side of the projection of the coil on the plane where the first outer surface is located;
the side, away from the first outer surface, of the coil is provided with the first soft magnetic material, the first soft magnetic material is fixed relative to the shell, the relative permeability u0 of the first soft magnetic material is not less than 50, and the magnetic saturation intensity under the condition of a static magnetic field is not less than 0.01T;
a second magnet structure is arranged on the side, away from the first outer surface, of the first soft magnetic material, the second magnet structure is provided with at least one second magnet unit arranged on a third plane, and one side, close to the first soft magnetic material, of the second magnet structure is structurally matched with one side, close to the second magnet structure, of the first soft magnetic material;
a second soft magnetic material is arranged on the side, away from the first outer surface, of the second magnet structure, the second soft magnetic material is movable relative to the housing, a side, close to the second soft magnetic material, of the second magnet structure is structurally matched with a side, close to the second magnet structure, of the second soft magnetic material, the relative magnetic permeability u0 of the second soft magnetic material is not less than 50, and the magnetic saturation intensity under the condition of a static magnetic field is not less than 0.01T;
the elastic material is arranged between the first soft magnetic material and the second soft magnetic material, the elastic material is fixed on the first soft magnetic material close to the end face of the first soft magnetic material, and the elastic material is fixed on the second soft magnetic material close to the end face of the second soft magnetic material;
when the elastic material is deformed, the second soft magnetic material can be close to or far away from the shell;
after the elastic material is pressed by the first soft magnetic material and the second soft magnetic material along the axis of the coil, the second magnet structure is attracted to one side of the first soft magnetic material or the second soft magnetic material close to the second magnet structure through magnetic attraction, so that the shell and the second soft magnetic material are kept fixed;
the electromagnetic coupling energy circuit is used for outputting or inputting alternating current, is electrically connected with the coil to realize magnetic-electric conversion, and has at least one stable electric plane.
2. A novel electromagnetic coupling energy transfer device as claimed in claim 1 wherein said second magnet structure is fixed to said first soft magnetic material, said second magnet structure having at least one pair of dissimilar magnetic poles a and B on a side thereof remote from said first outer surface;
a second groove is designed on one side face, close to the second soft magnetic material, of the second magnet structure, or a second hole is designed from one side face, close to the second soft magnetic material, to one side face, close to the first soft magnetic material;
a second convex structure is fixed on one side surface of the second soft magnetic material, which is close to the second magnet structure, and the shape of the second convex structure is a cone or a cylinder with the size being smaller as the second soft magnetic material is farther away;
the second projection structure is inserted into the second recess or through the second hole while the housing and the second soft magnetic material are held stationary.
3. A novel electro-magnetically coupled energy transfer device as claimed in claim 2, wherein the first soft magnetic material is provided with a third recess or a third hole in a region adjacent to the second hole.
4. A novel electro-magnetically coupled energy transfer device as claimed in claim 1, wherein said second magnet structure is fixed to said second soft magnetic material, said second magnet structure having at least one pair of dissimilar magnetic poles a and B on a side thereof adjacent said first outer surface;
a first groove is designed on one side face, close to the first soft magnetic material, of the second magnet structure, or a first hole is designed from one side face, close to the first soft magnetic material, to one side face, close to the first soft magnetic material;
a first convex structure is fixed on one side surface of the second soft magnetic material, which is close to the first magnet structure, and the shape of the first convex structure is a cone or a cylinder with the size being smaller as the second soft magnetic material is farther away from the first soft magnetic material;
the first projection structure is inserted into the first recess or through the first hole while the housing and the second soft magnetic material are held stationary.
5. A novel electro-magnetically coupled energy transfer device as claimed in claim 2 or claim 4 wherein the second magnet structure has no less than four second magnet units arranged in a Halbach array in a head-to-head annular arrangement.
6. The novel electromagnetically coupled energy transferring apparatus as claimed in claim 1, wherein said first soft magnetic material has a conductor structure, and said conductor structure is a stabilized potential eddy current damper electrically connected to a stabilized electrical plane of said electromagnetically coupled energy circuit through a conductor, or electrically connected to a stabilized electrical plane of said electromagnetically coupled energy circuit through a high frequency low resistance circuit having a conductor.
7. The novel electromagnetic coupling energy transfer device of claim 1, wherein the resilient material is a single rotationally symmetric hollow cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622247.2U CN215498304U (en) | 2021-03-28 | 2021-03-28 | Novel electromagnetic coupling energy transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622247.2U CN215498304U (en) | 2021-03-28 | 2021-03-28 | Novel electromagnetic coupling energy transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215498304U true CN215498304U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120622247.2U Active CN215498304U (en) | 2021-03-28 | 2021-03-28 | Novel electromagnetic coupling energy transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215498304U (en) |
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2021
- 2021-03-28 CN CN202120622247.2U patent/CN215498304U/en active Active
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Effective date of registration: 20240819 Granted publication date: 20220111 |