CN211479793U - Magnetic isolation sheet - Google Patents
Magnetic isolation sheet Download PDFInfo
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- CN211479793U CN211479793U CN202020478372.6U CN202020478372U CN211479793U CN 211479793 U CN211479793 U CN 211479793U CN 202020478372 U CN202020478372 U CN 202020478372U CN 211479793 U CN211479793 U CN 211479793U
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Abstract
The utility model provides a magnetic separation sheet relates to magnetic separation sheet technical field. The current magnetic separation sheet can not realize high magnetic flux. The utility model discloses separate magnetic sheet body is including locating the first magnetic sheet that separates on the second magnetic sheet, first magnetic sheet bottom that separates is equipped with a plurality of first lugs and first slot, the second separates magnetic sheet top correspondence and is equipped with a plurality of respectively with first lug and first slot complex second slot and second lug, tip is equipped with the magnetic sheet in first slot and the second slot, be equipped with the chamber that holds that both ends size is greater than the middle part size in the magnetic sheet, it is equipped with the nanometer magnetic powder to hold the intracavity, it still is equipped with the one deck protective layer outward to separate magnetic sheet this body, the protective layer is the silica gel protection film, separates this internal nanometer magnetic powder that is equipped with of magnetic sheet, makes it have good electromagnetic property.
Description
Technical Field
Relates to the technical field of magnetic separation sheets, in particular to a magnetic separation sheet.
Background
The magnetic separation sheet is widely applied to the technical fields of wireless charging, Near Field Communication (NFC) and Radio Frequency Identification (RFID), and can be made into a magnetic conduction sheet in a wireless charger and a magnetic separation sheet in NFC and RFID equipment. The magnetic conductive sheet provides a loop for a sympathetic magnetic field of the charger through high magnetic flux in the wireless charger, improves the efficiency, and simultaneously isolates the electronic eddy current to prevent the electronic eddy current from influencing a circuit mainboard, so that the charger can normally work. The magnetic separation sheet in the NFC and RFID equipment can absorb metal attenuation reflected waves, enhance the magnetic field induction distance and improve the communication sensitivity.
The magnetic separation sheets used at present are magnetic sheets formed by high-temperature sintering, but the existing wireless communication technology is mature, so that the realization of remote wireless charging becomes possible, but the existing ferrite magnetic separation sheets cannot meet the requirements, namely, the magnetic separation sheets cannot realize high magnetic flux, provide a loop for a sympathetic magnetic field of a charger, and cause low efficiency.
Disclosure of Invention
The utility model aims at developing a magnetic separation sheet which can improve the magnetic field intensity and has good electromagnetic performance.
The utility model discloses a following technical scheme realizes:
the utility model provides a magnetic separation sheet, includes the magnetic separation sheet body, the magnetic separation sheet body is including locating the first magnetic separation sheet on the second magnetic separation sheet, first magnetic separation sheet bottom is equipped with a plurality of first lugs and first slot, the second magnetic separation sheet top correspondence is equipped with a plurality of second slots and second lugs with first lug and first slot complex respectively, tip is equipped with the magnetic sheet in first slot and the second slot, be equipped with the chamber that holds that both ends size is greater than the middle part size in the magnetic sheet, it is equipped with nanometer magnetic powder to hold the intracavity, this external one deck protective layer that still is equipped with of magnetic separation sheet, the protective layer is the silica gel protection film, and this internal nanometer magnetic powder that is equipped with of magnetic separation sheet makes it have good electromagnetic properties.
Furthermore, the first lug at the bottom of the first magnetism isolating sheet and the second slot at the top of the second magnetism isolating sheet are both strip-shaped.
Furthermore, the first lug and the second slot are respectively arranged at the bottom of the first magnetism isolating sheet and at the top of the second magnetism isolating sheet at equal intervals.
Furthermore, the first lug and the second slot are respectively arranged at the bottom of the first magnetism isolating sheet and at the top of the second magnetism isolating sheet in parallel.
Furthermore, the shape and structure of the second bump and the first slot are the same as those of the first bump and the second slot, respectively.
Furthermore, the second lug and the first slot are respectively arranged at the top of the second magnetism isolating sheet and at the bottom of the first magnetism isolating sheet at equal intervals.
Furthermore, the second lug and the first slot are respectively arranged on the top of the second magnetism isolating sheet and the bottom of the first magnetism isolating sheet in parallel.
Furthermore, the first lug and the first slot as well as the second lug and the second slot are respectively arranged at the bottom of the first magnetism isolating sheet and at the top of the second magnetism isolating sheet at intervals.
Furthermore, the depth of the first slot and the second slot is greater than the height of the first bump and the second bump, and a magnetic plate matched with the first bump and the second bump in shape and structure is arranged in a cavity between the inner end of the first slot and the second slot and the end of the first bump and the end of the second bump.
Furthermore, hold chamber both ends and be the semicircle form, the middle part is the bar form to both ends shrink to the middle part.
The utility model has the advantages that:
the utility model discloses this internal nanometer magnetic that is equipped with of magnetism separation piece makes it have good electromagnetic property to the magnetism decreases for a short time, has high magnetic flux, and locates the protective layer of the outside integration of magnetism separation piece body and can protect the magnetism separation piece body comprehensively, increases the structural stability between first magnetism separation piece and second magnetism separation piece.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a view of the structure of the present invention;
FIG. 2 is a view showing a structure of a magnetic plate.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the creation of the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, this embodiment discloses a magnetic separation sheet, including the magnetic separation sheet body, the magnetic separation sheet body is including locating first magnetic separation sheet 1 on second magnetic separation sheet 2, first magnetic separation sheet 1 bottom is equipped with a plurality of first lugs 11 and first slot 12, second magnetic separation sheet 2 top correspondence is equipped with a plurality of respectively with first lug 11 and first slot 12 complex second slot 22 and second lug 21, tip is equipped with magnetic sheet 3 in first slot 12 and the second slot 22, be equipped with both ends size in the magnetic sheet 3 and be greater than the chamber 5 that holds of middle part size, it is equipped with nanometer magnetic powder in the chamber 5 to hold, this external one deck protective layer that still is equipped with of magnetic separation sheet, the protective layer is the silica gel protection film, and this internal nanometer magnetic powder that is equipped with of magnetic separation sheet makes it have good electromagnetic property.
Specifically, the magnetism isolating piece body includes first magnetism isolating piece 1 and the second magnetism isolating piece 2 of arranging from top to bottom, 1 bottom of first magnetism isolating piece is equidistant to be equipped with a plurality of first lugs 11, first lug 11 is the bar form, and is a plurality of first lug 11 is parallel to each other and locates first magnetism isolating piece 1 bottom.
The top of the second magnetism isolating sheet 2 is provided with a plurality of second bumps 21 at equal intervals, the second bumps 21 are in the shape of a strip with the same shape and structure as the first bumps 11, the second bumps 21 are also arranged on the top of the second magnetism isolating sheet 2 in parallel, and the second bumps 21 and the first bumps 11 are arranged in a staggered manner.
The bottom of the first magnetism-isolating piece 1 and the top of the second magnetism-isolating piece 2 are respectively provided with a plurality of first slots 12 and second slots 22, the first slots 12 and the first bumps 11 are arranged at intervals at the bottom of the first magnetism-isolating piece 1, the first slots 12 are arranged in parallel at equal intervals, the first slots 12 are also in a strip shape, the width of the first slots 12 is the same as that of the first bumps 11 and the second bumps 21, the depth of the first slots 12 is longer than that of the first bumps 11 and the second bumps 21, the positions of the first slots 12 correspond to the second bumps 21, the first slots 12 are matched with the second bumps 21, and the second bumps 21 on the second magnetism-isolating piece 2 can be inserted into the first slots 12 on the first magnetism-isolating piece 1.
The second slot 22 at the top of the second magnetism isolating piece 2 is the same as the first slot 12 in shape and structure, the second slot 22 is also arranged at the top of the second magnetism isolating piece 2 and the second bump 21 at intervals, and a plurality of the second slots 22 are parallel to each other at equal intervals, the position of the second slot 22 corresponds to the first bump 11, so that the second slot 22 is matched with the first bump 11, and the first bump 11 at the bottom of the first magnetism isolating piece 1 can be inserted into the second slot 22 at the top of the second magnetism isolating piece 2.
The first magnetism isolating sheet 1 is connected with the second magnetism isolating sheet 2, the first lug 11 at the bottom of the first magnetism isolating sheet 1 is inserted into the second slot 22 at the top of the second magnetism isolating sheet 2, the second lug 21 at the top of the second magnetism isolating sheet 2 is inserted into the first slot 12 at the bottom of the first magnetism isolating sheet 1, the bottom of the first magnetism isolating sheet 1 is attached to the top of the second magnetism isolating sheet 2, because the depth of the first slot 12 and the second slot 22 is longer than the height of the first lug 11 and the second lug 21, after the first lug 11 and the second lug 21 are inserted into the first slot 12 and the second slot 22, the first slot 12 and the second slot 22 are also internally provided with a bar-shaped cavity, the bar-shaped cavity is internally provided with a magnetic plate 3, the magnetic plate 3 is in a bar-shaped structure matched with the bar-shaped cavity, the magnetic plate 3 is internally provided with a containing cavity 5 containing nano ferroferric oxide magnetic powder, the containing cavity 5 has large two ends and small middle size, hold 5 both ends in chamber and be semicircle form respectively, the middle strip form that is less than for the width and holds 5 both ends diameters in chamber holds 5 both ends and to middle shrink, from this, the stability of multiplicable nanometer magnetic powder in holding 5 internal motion in chamber.
The periphery of magnetism isolating sheet body still is equipped with the one deck protective layer, the protective layer is protected magnetism isolating sheet body, the protective layer is the silica gel protection film, the whole surface of magnetism isolating sheet body is located to the protective layer, including the side of magnetism isolating sheet body, the protective layer has strengthened the structural stability between first magnetism isolating sheet 1 and the second magnetism isolating sheet 2, will keep apart the clean back of magnetic sheet body, can use automation equipment, adopts spraying or the method of flooding to set up the protective layer on magnetism isolating sheet body.
The utility model discloses this internal nanometer magnetic that is equipped with of magnetism separation piece makes it have good electromagnetic property to the magnetism decreases for a short time, has high magnetic flux, and locates the protective layer of the outside integration of magnetism separation piece body and can protect the magnetism separation piece body comprehensively, increases the structural stability between first magnetism separation piece 1 and second magnetism separation piece 2.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.
Claims (10)
1. The utility model provides a magnetic separation sheet, includes the magnetic separation sheet body, its characterized in that, the magnetic separation sheet body is including locating the first magnetic separation sheet on the second magnetic separation sheet, first magnetic separation sheet bottom is equipped with a plurality of first lugs and first slot, the second is equipped with a plurality ofly respectively with first lug and first slot complex second slot and second lug at magnetic separation sheet top correspondence, tip is equipped with the magnetic sheet in first slot and the second slot, be equipped with the chamber that holds that both ends size is greater than the middle part size in the magnetic sheet, it is equipped with the nanometer magnetic powder to hold the intracavity, this external one deck protective layer that still is equipped with of magnetic separation sheet, the protective layer is the silica gel protection film.
2. The magnetism-isolating sheet according to claim 1, wherein the first protrusion at the bottom of the first magnetism-isolating sheet and the second slot at the top of the second magnetism-isolating sheet are both in the shape of a bar.
3. The magnetism-isolating sheet according to claim 2, wherein the first protrusion and the second slot are disposed at equal intervals on the bottom of the first magnetism-isolating sheet and the top of the second magnetism-isolating sheet, respectively.
4. The magnetism-isolating sheet according to claim 3, wherein the first protrusion and the second slot are disposed parallel to each other at the bottom of the first magnetism-isolating sheet and at the top of the second magnetism-isolating sheet, respectively.
5. The magnetism insulator of claim 4, wherein the shape and structure of the second protrusion and the first slot are the same as the shape and structure of the first protrusion and the second slot, respectively.
6. The magnetism-isolating sheet according to claim 5, wherein the second protrusion and the first slot are disposed at equal intervals on the top of the second magnetism-isolating sheet and on the bottom of the first magnetism-isolating sheet, respectively.
7. The magnetism-isolating sheet according to claim 6, wherein the second protrusion and the first slot are disposed parallel to each other at the top of the second magnetism-isolating sheet and at the bottom of the first magnetism-isolating sheet, respectively.
8. The magnetism-isolating sheet according to claim 7, wherein the first protrusion and the first slot and the second protrusion and the second slot are spaced apart at the bottom of the first magnetism-isolating sheet and at the top of the second magnetism-isolating sheet, respectively.
9. The magnetism isolating sheet according to claim 8, wherein the first slot and the second slot have a depth greater than the height of the first protrusion and the second protrusion, and a magnetic plate having a shape and a structure matching the inner end of the first slot and the second slot is disposed in the cavity between the end of the first protrusion and the end of the second protrusion.
10. The magnetism insulator of claim 9, wherein the receiving chamber is semicircular at both ends and elongated at a middle portion, and wherein both ends are retracted toward the middle portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478372.6U CN211479793U (en) | 2020-04-03 | 2020-04-03 | Magnetic isolation sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478372.6U CN211479793U (en) | 2020-04-03 | 2020-04-03 | Magnetic isolation sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211479793U true CN211479793U (en) | 2020-09-11 |
Family
ID=72376307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020478372.6U Active CN211479793U (en) | 2020-04-03 | 2020-04-03 | Magnetic isolation sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211479793U (en) |
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2020
- 2020-04-03 CN CN202020478372.6U patent/CN211479793U/en active Active
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