A magnet and magnetic ring assembly

Abstract

The application provides a magnet and a magnetic ring assembly. The magnet comprises a first magnetic attraction piece, a second magnetic attraction piece and a third magnetic attraction piece. Opposite sides of the third magnetic attraction piece are respectively provided with a first fixing position and a second fixing position. The first magnetic attraction piece is arranged in the first fixing position, and the second magnetic attraction piece is arranged in the second fixing position. The internal magnetic field direction of the first magnetic attraction piece is vertically upward, the internal magnetic field direction of the second magnetic attraction piece is vertically downward, and the internal magnetic field direction of the third magnetic attraction piece is horizontally. The magnet has oppositely arranged strong magnetic surfaces and weak magnetic surfaces. The magnetic force of the strong magnetic surface is stronger than that of the weak magnetic surface. In practical application, the strong magnetic surface of the magnet faces the support or the wireless charger, thereby enhancing the stability of magnetic adsorption. The weak magnetic surface of the magnet faces the mobile phone, thereby reducing the adverse effects of the magnetic force interference on the mobile phone.

Description

Technical Field

[0001] This invention relates to the field of magnetic attraction technology, and in particular to a magnet and a magnetic ring assembly. Background Technology

[0002] The release of the iPhone 12 ushered in an era of blind wireless charging. The phone has a ring-shaped magnetic ring structure inside, corresponding to the induction coil. Accessories such as wireless chargers, protective cases, and stands that are used with the phone also use ring-shaped magnetic ring structures inside. For example, when a protective case is put on the phone, the magnetic poles on both sides of the magnet allow the protective case and the stand to attract each other, so that the stand can fix and support the phone.

[0003] Existing ring-shaped magnetic ring structures consist of multiple magnets of the same specification arranged in a ring, while the magnetic field lines distribution of an existing single magnet is as follows: Figure 1 As shown, the magnetic flux is the same on both the top and bottom sides of the magnet. In practical applications, the magnet is fixed to the protective case. For phone stands or wireless chargers, a strong magnetic force is needed to ensure a stable attachment. However, since the protective case is fixed on the phone, a strong magnetic force from the magnet is not required for fixation. Excessive magnetic force can adversely affect the electronic components inside the phone. The existing ring-shaped magnetic ring structure has the same magnetic force on both the top and bottom sides. This results in problems such as poor stability when the magnetic force is too weak, and adverse effects on the phone's magnetic interference when the magnetic force is too strong. Summary of the Invention

[0004] In view of this, the present invention proposes a magnet with a built-in Hellbeck array, a magnetic ring assembly, and a manufacturing method thereof.

[0005] This application provides a magnet, including a first magnetic attractor, a second magnetic attractor, and a third magnetic attractor. The third magnetic attractor has a first fixing position and a second fixing position recessed on opposite sides. The first magnetic attractor is located at the first fixing position, and the second magnetic attractor is located at the second fixing position. The internal magnetic field of the first magnetic attractor is vertically upward, the internal magnetic field of the second magnetic attractor is vertically downward, and the internal magnetic field of the third magnetic attractor is horizontal.

[0006] Furthermore, the third magnetic attractor includes a first magnetic part, a second magnetic part, and an intermediate magnetic part, wherein the first magnetic part and the second magnetic part are respectively located at both ends of the intermediate magnetic part, and the intermediate magnetic part is located between the first magnetic attractor and the second magnetic attractor.

[0007] Furthermore, the magnet has an upper surface and a lower surface arranged opposite to each other, the upper surface area of ​​the first magnetic attractor is S1, the upper surface area of ​​the second magnetic attractor is S2, the upper surface area of ​​the first magnetic part is S3, the upper surface area of ​​the second magnetic part is S4, and the upper surface area of ​​the intermediate magnetic part is S5, wherein: S3+S4≤S1+S2 or S1+S2≤S3+S4+S5.

[0008] Furthermore, the magnet has an upper surface and a lower surface arranged opposite to each other, the upper surface area of ​​the first magnetic attractor is S1, and the upper surface area of ​​the second magnetic attractor is S2, wherein: S1≤S2.

[0009] Furthermore, the magnet has an upper surface and a lower surface arranged opposite to each other, a first gap exists between the first magnetic attractor and the third magnetic attractor, the width of the first gap is H1, a second gap exists between the second magnetic attractor and the third magnetic attractor, the width of the second gap is H2, and the thickness from the upper surface to the lower surface is H3, wherein: H1≤2H3, H2≤2H3.

[0010] Furthermore, the side of the first magnetic part closer to the second magnetic attractor is the first side, and the side of the first magnetic part opposite to the first side is the second side. The first side and the second side form an angle D1, wherein: 0°≤D1≤25°.

[0011] And / or, the side of the second magnetic part closest to the second magnetic attractor is the third side, and the side of the second magnetic part opposite to the third side is the fourth side, with the third side and the fourth side forming an angle D2, wherein: 0°≤D2≤25°.

[0012] This application embodiment also provides a magnet and a magnetic ring assembly, including the magnet described above. There are multiple magnets, and the multiple magnets are arranged in a ring shape. The upper surface of each magnet is located on the same side of the magnetic ring assembly. The first magnetic attractor is located on the inner side of the magnetic ring assembly, and the second magnetic attractor is located on the outer side of the magnetic ring assembly.

[0013] Furthermore, two adjacent magnets are spaced apart from each other by a distance of H4, and the thickness from the upper surface to the lower surface of the magnet is H2, wherein: H4≤3H2.

[0014] Furthermore, an included angle D3 is formed between the sides of two adjacent magnets, wherein: 0°≤D3≤45°.

[0015] Furthermore, the total number of magnets is Y, where Y = NM, and N = {2, 3, 5, 7}, and M is a non-zero natural number.

[0016] Furthermore, the magnetic ring assembly includes a non-magnetic portion, which is a plurality of such portions. The plurality of non-magnetic portions are spaced apart, and a magnetic group is provided between two adjacent non-magnetic portions. Each magnetic group contains at least two magnets.

[0017] Furthermore, the total number of magnetic groups is G, where: G = {2, 3, 4, 6, 8}.

[0018] In summary, this invention provides a magnet and a magnetic ring assembly. The magnet includes a first magnetic attractor, a second magnetic attractor, and a third magnetic attractor. The third magnetic attractor has a first fixing position and a second fixing position recessed on opposite sides. The first magnetic attractor is located at the first fixing position, and the second magnetic attractor is located at the second fixing position. Since the internal magnetic field of the first magnetic attractor is vertically upward, the internal magnetic field of the second magnetic attractor is vertically downward, and the internal magnetic field of the third magnetic attractor is horizontal, the magnet has a strong magnetic surface and a weak magnetic surface arranged opposite to each other. The magnetic force of the strong magnetic surface is stronger than that of the weak magnetic surface. In practical applications, the strong magnetic surface of the magnet faces the bracket or wireless charger to enhance the stability of the magnetic attraction, while the weak magnetic surface of the magnet faces the mobile phone to reduce the adverse effects of magnetic interference on the mobile phone. Attached Figure Description

[0019] Figure 1 The background diagram shows the distribution of magnetic field lines of a single magnet.

[0020] Figure 2 This is a schematic diagram of a magnet provided by the present invention at an angle.

[0021] Figure 3 for Figure 2 A schematic diagram showing the disassembly of the magnet in the image.

[0022] Figure 4 for Figure 2 A schematic diagram of the magnet from another angle.

[0023] Figure 5 for Figure 4 An enlarged schematic diagram of part A of the magnet.

[0024] Figure 6 This is a schematic diagram of the magnetic ring assembly provided by the present invention in a first embodiment and at an angle.

[0025] Figure 7 for Figure 6 A schematic diagram of the magnetic ring assembly from another angle.

[0026] Figure 8 for Figure 7 An enlarged schematic diagram of part B of the magnetic ring assembly.

[0027] Figure 9A schematic diagram of the magnetic ring assembly provided by the present invention in a second embodiment. Detailed Implementation

[0028] Before describing the embodiments in detail, it should be understood that the present invention is not limited to the detailed structures or element arrangements described below or in the accompanying drawings. The present invention may be implemented in other ways. Furthermore, it should be understood that the wording and terminology used herein are for descriptive purposes only and should not be construed as limiting. The terms "comprising," "including," "having," and similar expressions used herein mean to include the items listed thereafter, their equivalents, and other additional items. In particular, when describing "an element," the present invention does not limit the number of elements to one, but may include multiple elements.

[0029] like Figures 2 to 4 As shown, this embodiment of the invention provides a magnet 10, which includes a first magnetic attractor 11, a second magnetic attractor 12, and a third magnetic attractor 13. The third magnetic attractor 13 has a first fixing position 131 and a second fixing position 132 recessed on opposite sides. The first magnetic attractor 11 is located at the first fixing position 131, and the second magnetic attractor 12 is located at the second fixing position 132. The internal magnetic field direction of the first magnetic attractor 11 is vertically upward, the internal magnetic field direction of the second magnetic attractor 12 is vertically downward, and the internal magnetic field direction of the third magnetic attractor 13 is vertically downward. With the magnetic field direction of the first magnetic component 11 being vertically upward, the internal magnetic field direction of the second magnetic component 12 being vertically downward, and the internal magnetic field direction of the third magnetic component 13 being horizontal, the magnet 10 has a relatively arranged strong magnetic surface and a weak magnetic surface. The magnetic force of the strong magnetic surface is stronger than that of the weak magnetic surface. In practical applications, the strong magnetic surface of the magnet 10 faces the stand or wireless charger to enhance the stability of the magnetic attraction, while the weak magnetic surface of the magnet 10 faces the mobile phone to reduce the adverse effects of magnetic interference on the mobile phone.

[0030] Specifically, the magnet 10 has an upper surface 101 and a lower surface 102 that are arranged opposite to each other. For example, the magnetic pole of the upper surface 101 of the first magnetic attractor 11 is N, and the magnetic pole of the lower surface 102 of the first magnetic attractor 11 is S; the magnetic pole of the upper surface 101 of the second magnetic attractor 12 is S, and the magnetic pole of the upper surface 101 of the second magnetic attractor 12 is N; the magnetic pole of the third magnetic attractor 13 on the side with the first fixing position 131 is S, and the magnetic pole of the third magnetic attractor 13 on the side with the second fixing position 132 is N. Thus, the upper surface 101 of the magnet 10 is a weak magnetic surface, and the lower surface 102 of the magnet 10 is a strong magnetic surface. Correspondingly, in application, the upper surface 101 of the magnet 10 faces the mobile phone, utilizing the weak magnetic force of the weak magnetic surface to avoid magnetic interference to the inside of the mobile phone. The lower surface 102 of the magnet 10 faces the stand or wireless charger, utilizing the strong magnetic force of the strong magnetic surface to enhance the stable magnetic attraction of the stand or wireless charger to the protective case.

[0031] In this embodiment, the third magnetic attractor 13 includes a first magnetic part 133, a second magnetic part 134, and an intermediate magnetic part 135. The first magnetic part 133 and the second magnetic part 134 are located at opposite ends of the intermediate magnetic part 135, and the intermediate magnetic part 135 is located between the first magnetic attractor 11 and the second magnetic attractor 12. The third magnetic attractor 13 is generally shaped like an "I". Specifically, the magnet 10 has an upper surface 101 and a lower surface 102 that are oppositely arranged. The area of ​​the upper surface 101 of the first magnetic attractor 11 is S1, the area of ​​the upper surface 101 of the second magnetic attractor 12 is S2, the area of ​​the upper surface 101 of the first magnetic part 133 is S3, the area of ​​the upper surface 101 of the second magnetic part 134 is S4, and the area of ​​the upper surface 101 of the intermediate magnetic part 135 is S4. The area is S5, where: S3+S4≤S1+S2 or S1+S2≤S3+S4+S5. When S1, S2, S3, S4, and S5 satisfy S3+S4≤S1+S2, or S1, S2, S3, S4, and S5 satisfy S1+S2≤S3+S4+S5, the magnetic force of the strong magnetic surface of magnet 10 has the best enhancement effect relative to the magnetic force of the weak magnetic surface. The magnetic force of the strong magnetic surface is at its peak. In other embodiments, when S1, S2, S3, S4, and S5 cannot satisfy S3+S4≤S1+S2, and S1, S2, S3, S4, and S5 cannot satisfy S1+S2≤S3+S4+S5, magnet 10 also has a strong magnetic surface and a weak magnetic surface. The magnetic force enhancement effect of the strong magnetic surface is slightly weaker than that of the weak magnetic surface.

[0032] In this embodiment, the magnet 10 has an overall arc-shaped structure. The first magnetic attractor 11 is located on one side of the inner arc, and the second magnetic attractor 12 is located on one side of the outer arc. The arc length of the outer arc is longer than that of the inner arc. Specifically, S1≤S2.

[0033] like Figures 2 to 5 As shown, in this embodiment, the magnet 10 has an upper surface 101 and a lower surface 102 that are arranged opposite to each other. There is a first gap 14 between the first magnetic attractor 11 and the third magnetic attractor 13, and the width of the first gap 14 is H1. There is a second gap 15 between the second magnetic attractor 12 and the third magnetic attractor 13, and the width of the second gap 15 is H2. The thickness from the upper surface 101 to the lower surface 102 is H3, wherein: H1≤2H3, H2≤2H3. When both H1 and H3 satisfy H1≤2H3, it is convenient for the first magnetic attractor 11 to be fixed in the first fixed position 131. When both H2 and H3 satisfy H2≤2H3, it is convenient for the second magnetic attractor 12 to be fixed in the second fixed position 132. At the same time, it can also ensure that when the first magnetic attractor 11 and the second magnetic attractor 12 interact with the third magnetic attractor 13, the magnet 10 has a strong magnetic surface and a weak magnetic surface that are arranged opposite to each other.

[0034] In the embodiment, the side of the first magnetic part 133 closest to the second magnetic attractor 12 is the first side, and the side of the first magnetic part 133 opposite to the first side is the second side. The first side and the second side form an angle D1, wherein: 0°≤D1≤25°.

[0035] In this embodiment, the side of the second magnetic part 134 closest to the second magnetic attractor 12 is the third side, and the side of the second magnetic part 134 opposite to the third side is the fourth side. The third side and the fourth side form an angle D2, wherein: 0°≤D2≤25°.

[0036] Specifically, when the section of the first magnetic part 133 near the first fixed position 131 and the section of the second magnetic part 134 near the first fixed position 131 are in a mutually expanding state, it is convenient for the first magnetic suction member 11 to be installed in the first fixed position 131; conversely, when the section of the first magnetic part 133 near the first fixed position 131 and the section of the second magnetic part 134 near the first fixed position 131 are in a mutually contracting state, when the first magnetic suction member 11 is installed in the first fixed position 131, it can prevent the first magnetic suction member 11 from detaching from the third magnetic suction member 13.

[0037] When the section of the first magnetic part 133 near the second fixed position 132 and the section of the second magnetic part 134 near the second fixed position 132 are in a mutually expanding state, it is convenient for the second magnetic suction member 12 to be installed in the second fixed position 132; conversely, when the section of the first magnetic part 133 near the second fixed position 132 and the section of the second magnetic part 134 near the second fixed position 132 are in a mutually contracting state, when the second magnetic suction member 12 is installed in the second fixed position 132, it can prevent the second magnetic suction member 12 from detaching from the third magnetic suction member 13.

[0038] like Figures 6 to 9As shown, the present invention also provides a magnetic ring assembly 20, including the aforementioned magnets 10. Multiple magnets 10 are arranged in a ring array, with the upper surface 101 of each magnet 10 located on the same side of the magnetic ring assembly 20. A first magnetic attractor 11 is located inside the magnetic ring assembly 20, and a second magnetic attractor 12 is located outside the magnetic ring assembly 20. Since the upper surface 101 of each magnet 10 is located on the same side of the magnetic ring assembly 20, the magnetic ring also has relatively strong and weak magnetic surfaces. For example, when the upper surface 101 of the magnet 10 is a strong magnetic surface, correspondingly, the upper surface 101 of the magnetic ring assembly 20 is a strong magnetic surface, and the lower surface 102 of the magnetic ring assembly 20 is a weak magnetic surface. In practical applications, the strong magnetic surface of the magnetic ring assembly 20 faces the stand or wireless charger to enhance the stability of the magnetic attraction, while the weak magnetic surface of the magnetic ring assembly 20 faces the mobile phone to reduce the adverse effects of magnetic interference on the mobile phone. Since the magnetic ring assembly 20 is ring-shaped, it is convenient for the magnetic ring assembly 20 on the wireless charger or stand to magnetically attract each other, and the magnetic ring assemblies 20 can quickly position and magnetically attract each other, further enhancing the stability of the magnetic attraction.

[0039] In this embodiment, two adjacent magnets 10 are spaced apart by a distance of H4, and the thickness from the upper surface 101 to the lower surface 102 of the magnet 10 is H2 (reference). Figure 2 ), where: H4≤3H2. When H2 and H4 satisfy H4≤3H2, the two adjacent magnets 10 interact, further enhancing the magnetic force of the strong magnetic surface of the magnetic ring assembly 20.

[0040] In an embodiment, an included angle D3 is formed between the sides of two adjacent magnets 10, wherein: 0°≤D3≤45°.

[0041] In this embodiment, the total number of magnets 10 is Y, where Y = NM, and N = {2, 3, 5, 7}, and M is a non-zero natural number. Specifically, N can be one of 2, 3, 5, or 7, and M is a natural number greater than or equal to 1. For example, when N is 2, M can be a natural number greater than or equal to 1, such as when M is 5, then Y is 10, and the total number of magnets 10 is 10. As another example, when N is 7 and M is 3, Y is 21, that is, the total number of magnets 10 is 21.

[0042] In an embodiment, the magnetic ring assembly 20 includes a plurality of non-magnetic parts 21, which are spaced apart and a magnetic group is provided between two adjacent non-magnetic parts 21. Each magnetic group contains at least two magnets 10, and the total number of magnetic groups is G, where G = {2, 3, 4, 6, 8}. Specifically, the total number of magnetic groups G can be one of 2, 3, 4, 6, or 8.

[0043] In summary, this invention provides a magnet and a magnetic ring assembly. The magnet includes a first magnetic attractor, a second magnetic attractor, and a third magnetic attractor. The third magnetic attractor has a first fixing position and a second fixing position recessed on opposite sides. The first magnetic attractor is located at the first fixing position, and the second magnetic attractor is located at the second fixing position. Since the internal magnetic field of the first magnetic attractor is vertically upward, the internal magnetic field of the second magnetic attractor is vertically downward, and the internal magnetic field of the third magnetic attractor is horizontal, the magnet has a strong magnetic surface and a weak magnetic surface arranged opposite to each other. The magnetic force of the strong magnetic surface is stronger than that of the weak magnetic surface. In practical applications, the strong magnetic surface of the magnet faces the bracket or wireless charger to enhance the stability of the magnetic attraction, while the weak magnetic surface of the magnet faces the mobile phone to reduce the adverse effects of magnetic interference on the mobile phone.

[0044] The concepts described herein may be implemented in other forms without departing from their spirit and characteristics. The specific embodiments disclosed should be considered illustrative rather than restrictive. Therefore, the scope of the invention is determined by the appended claims, and not by the foregoing description. Any modifications within the literal meaning and equivalent scope of the claims should fall within the scope of those claims.

Claims

1. A magnet, characterized in that, The device includes a first magnetic attractor, a second magnetic attractor, and a third magnetic attractor. The third magnetic attractor has a first fixing position and a second fixing position recessed on opposite sides. The first magnetic attractor is located at the first fixing position, and the second magnetic attractor is located at the second fixing position. The internal magnetic field of the first magnetic attractor is vertically upward, the internal magnetic field of the second magnetic attractor is vertically downward, and the internal magnetic field of the third magnetic attractor is horizontal. The horizontal direction refers to the width direction of the magnet. The third magnetic attractor includes a first magnetic part, a second magnetic part, and an intermediate magnetic part. The first magnetic part and the second magnetic part are respectively located at both ends of the intermediate magnetic part, and the intermediate magnetic part is located between the first magnetic attractor and the second magnetic attractor.

2. The magnet as claimed in claim 1, characterized in that, The magnet has an upper surface and a lower surface that are arranged opposite to each other. The upper surface area of ​​the first magnetic attractor is S1, the upper surface area of ​​the second magnetic attractor is S2, the upper surface area of ​​the first magnetic part is S3, the upper surface area of ​​the second magnetic part is S4, and the upper surface area of ​​the intermediate magnetic part is S5, wherein: S3+S4≤S1+S2 or S1+S2≤S3+S4+S5.

3. The magnet as described in claim 1, characterized in that, The magnet has an upper surface and a lower surface that are arranged opposite to each other. The upper surface area of ​​the first magnetic attractor is S1, and the upper surface area of ​​the second magnetic attractor is S2, wherein S1≤S2.

4. The magnet as claimed in claim 1, characterized in that, The magnet has an upper surface and a lower surface that are arranged opposite to each other. There is a first gap between the first magnetic attractor and the third magnetic attractor, and the width of the first gap is H1. There is a second gap between the second magnetic attractor and the third magnetic attractor, and the width of the second gap is H2. The thickness from the upper surface to the lower surface is H3, wherein: H1≤2H3, H2≤2H3.

5. The magnet as claimed in claim 1, characterized in that, The side of the first magnetic part closest to the second magnetic attractor is the first side, and the side of the first magnetic part opposite to the first side is the second side. The first side and the second side form an angle D1, wherein: 0°≤D1≤25°; And / or, the side of the second magnetic part closest to the second magnetic attractor is the third side, and the side of the second magnetic part opposite to the third side is the fourth side, with the third side and the fourth side forming an angle D2, wherein: 0°≤D2≤25°.

6. A magnetic ring assembly, characterized in that, The magnet includes any one of claims 1 to 5, wherein there are multiple magnets arranged in a ring, and the upper surface of each magnet is located on the same side of the magnetic ring assembly, the first magnetic attractor is located inside the magnetic ring assembly, and the second magnetic attractor is located outside the magnetic ring assembly.

7. The magnetic ring assembly as described in claim 6, characterized in that, Two adjacent magnets are spaced apart by a distance of H4, and the thickness from the upper surface to the lower surface of the magnet is H2, wherein: H4≤3H2.

8. The magnetic ring assembly as described in claim 6, characterized in that, An included angle D3 is formed between the sides of two adjacent magnets, wherein: 0°≤D3≤45°.

9. The magnetic ring assembly as described in claim 6, characterized in that, The total number of magnets is Y, where Y = NM, and N = {2, 3, 5, 7}, and M is a non-zero natural number.

10. The magnetic ring assembly as claimed in claim 6, characterized in that, The magnetic ring assembly includes a non-magnetic part, and there are multiple non-magnetic parts. The multiple non-magnetic parts are spaced apart, and a magnetic group is provided between two adjacent non-magnetic parts. Each magnetic group contains at least two magnets.

11. The magnetic ring assembly as claimed in claim 10, characterized in that, The total number of magnetic groups is G, where G = {2, 3, 4, 6, 8}.

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