Super-thick whole-circle transmitting terminal magnet group structure

By designing an ultra-thick, full-circle transmitter magnet assembly structure, the problem of magnets falling off was solved, achieving higher magnetic force and pulling force, and ensuring the stability and efficiency of the charging process.

CN223712520UActive Publication Date: 2025-12-23DONGGUAN TONGLI MAGNETIC IND CO LTD
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Patent Information

Application Number
CN202423255020.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-28
Publication Date
2025-12-23
Estimated Expiration
2034-12-28

AI Technical Summary

Technical Problem

The magnet at the transmitter may fall off after a period of time, affecting the magnetic attraction and charging efficiency.

Method used

Design an ultra-thick full-circle transmitter magnet assembly structure, including a steel ring and a magnet assembly. The magnet assembly is composed of high-grade N56 neodymium iron boron magnets with a thickness of 5mm. The steel ring has a thickness of 0.7mm. The outer diameter of the magnet assembly is 62mm, the inner diameter is 52mm, and the number of magnets is 16. The magnetic poles are N on the outside and S on the inside. Double-sided tape is used for fixing.

Benefits of technology

The magnet's magnetic force and pulling force have been increased to prevent it from falling and to ensure the stability and efficiency of the charging process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a super-thick whole-circle transmitting terminal magnet group structure, and belongs to the technical field of wireless charging. Comprising a steel ring, a magnet set is arranged on the top of the steel ring, the steel ring and the magnet set are both of a circular ring structure, a double-faced adhesive tape is arranged between the steel ring and the magnet set, the magnet set comprises a plurality of magnets of a tile-shaped structure, the thickness of the steel ring is 0.7 mm, and the thickness of the magnets is 5 mm. According to the utility model, the magnet adopts a high grade, the thickness of the magnet reaches 5mm, the thickness of the steel ring reaches 0.7 mm, and the total thickness reaches 5.7 mm + / -0.06, so that enough high magnetic force and tensile force can be achieved, the situation that the magnet falls off after a period of time is avoided while the magnet is positioned, and the adsorption and charging efficiency of the magnet is prevented from being influenced.
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Description

TECHNICAL FIELD

[0001] The utility model provides a kind of super-thick whole circle transmitting end magnet group structure, belong to wireless charging technical field. BACKGROUND

[0002] Transmitting end magnet plays a key role in wireless charging technology, mainly for positioning, to ensure that wireless charger and terminal equipment are aligned, so as to improve charging efficiency.

[0003] The transmitting end magnet uses magnetic force to attract and tightly attract the charger and the terminal device, so as to perform stable charging. This positioning function is crucial to improve charging efficiency, because it can reduce the impact of misalignment or misfixing. However, due to the different weights of each product, it may fall after a period of time, which affects the adsorption of magnetic attraction and charging efficiency. Based on this, the utility model provides a kind of super-thick whole circle transmitting end magnet group structure. UTILITY MODEL CONTENT

[0004] The technical problem solved by the utility model is that the charger may fall after a period of time, which affects the adsorption of magnetic attraction and charging efficiency.

[0005] To solve the technical problem, the utility model provides a technical scheme: a kind of super-thick whole circle transmitting end magnet group structure, including steel ring, the top of the steel ring is provided with magnet group, the steel ring, magnet group are all annular structure, double-sided adhesive tape is equipped between the steel ring and magnet group, the magnet group includes multiple magnets in tile structure, the thickness of the steel ring is 0.7mm, the thickness of the magnet is 5mm.

[0006] Further, the model of the magnet is high-grade N56, and the material of the magnet is boron steel.

[0007] Further, the gap between the magnets is 0.10mm.

[0008] Further, the outer diameter of the magnet group in annular structure is 62mm, and the inner diameter is 52mm.

[0009] Further, the number of magnets is 16, and the tile fan angle of a single magnet is 22.5°.

[0010] Further, the magnet group is a flat double pole, and the magnetic pole of the magnet is outer N and inner S.

[0011] The utility model has the beneficial effects that:

[0012] The utility model discloses magnet uses high grade, magnet thickness gives 5mm, steel ring thickness gives 0.7mm, total thickness gives 5.7mm±0.06, can reach enough high magnetic force and tension, to guarantee magnet in the positioning while avoiding the situation of falling in a period of time, to avoid the influence magnetic attraction adsorption and charging efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole plane schematic diagram of the utility model.

[0014] Figure 2 It is the magnet plane schematic diagram of the utility model.

[0015] Figure 3 It is the steel ring plane schematic diagram of the utility model.

[0016] 1, steel ring;2, magnet group;3, magnet. DETAILED DESCRIPTION

[0017] In the present specification, the orientation terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or possibly mentioned are defined with respect to its structure, which are relative concepts. Therefore, it is possible to change accordingly according to its different positions, different use states; therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0018] The singular forms "a", "said" and "the" used in the present specification are intended to include plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0019] In order to make the technical problems, technical schemes and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present application and do not limit the present application.

[0020] According to the drawings Figure 1 , 2, 3 shown: the utility model provides a kind of super-thick whole circle transmitting end magnet group structure: including steel ring 1, steel ring 1 top is equipped with magnet group 2, steel ring 1, magnet group 2 are all annular structure, double-sided adhesive is equipped between steel ring 1 and magnet group 2, magnet group 2 includes multiple magnet 3 of tile type structure, the model of magnet 3 is high-grade N56, the material of magnet 3 is boron ferroalloy, surface is plated nickel, the magnetic attraction effect of high-grade N56 magnet 3 is obviously stronger than ordinary product, magnet group 2 is plane double pole, the magnetic pole of magnet 3 is outer N inner S, after assembling, it is placed in specific magnetizer to magnetize, all materials meet RoHS, REACH requirement, the magnetic property of the device: residual magnetism is 14.2-14.5 (KGS), intrinsic coercive force is ≥12 (Koe), maximum magnetic energy product is 50-52 (Mgo).

[0021] As shown in the description accompanying drawings Figure 1 As shown in the description accompanying drawings The thickness of steel ring 1 is 0.7mm±0.03, the thickness of magnet 3 is 5mm±0.03, the gap between magnet 3 is 0.10mm±0.03, the outer diameter of annular structure magnet group 2 is 62mm±0.01, the inner diameter is 52mm±0.01, relative to conventional annular structure magnet group 2 outer diameter is 54mm, inner diameter is 46mm, cannot maintain, can reach enough high magnetic force and tension, avoid falling after a period of time, the number of magnet 3 is 16, the tile fan angle of single magnet 3 is 22.5 °.

[0022] The principle of the utility model

[0023] This super-thick whole circle transmitting end magnet group structure is designed to hang customer's industrial pad on the case at the beginning, ordinary transmitting end can be adsorbed, but cannot maintain, will fall after a period of time, cannot meet customer's needs, for this purpose, we specially simulate and find that only thickening and increasing, the outer diameter of annular structure magnet group 2 is 62mm±0.01, the inner diameter is 52mm±0.01, the thickness of magnet 3 is given to 5mm, the thickness of steel ring 1 is given to 0.7mm, the total thickness is given to 5.7mm±0.06, can reach enough high magnetic force and tension, avoid falling after a period of time, since the change of outer diameter and inner diameter of magnet group 2 leads to that conventional magnetizing equipment cannot be charged to outer N inner S, so we specially design the magnetizing head with outer diameter of 64 and inner diameter of 52, so as to be able to magnetize.

[0024] The utility model and its implementation mode are described above, and this description is not restrictive, and the embodiment shown in the drawings is only one of the utility model, and the actual structure is not limited thereto. In short, if the ordinary skilled person in the art is inspired, without departing from the creative purpose of the utility model, similar structure mode and embodiment are not creatively designed without departing from the creative purpose of the utility model, which should belong to the protection scope of the utility model.

Claims

1. A structure for an ultra-thick, full-circle transmitting magnet assembly, characterized in that: It includes a steel ring (1), and a magnet assembly (2) is provided on the top of the steel ring (1). Both the steel ring (1) and the magnet assembly (2) are circular ring structures. Double-sided adhesive is provided between the steel ring (1) and the magnet assembly (2). The magnet assembly (2) includes multiple magnets (3) with a tile-shaped structure. The thickness of the steel ring (1) is 0.7 mm, and the thickness of the magnets (3) is 5 mm.

2. The ultra-thick full-circle transmitter magnet assembly structure according to claim 1, characterized in that: The magnet (3) is of the high grade N56 and the material of the magnet (3) is neodymium iron boron.

3. The ultra-thick full-circle transmitter magnet assembly structure according to claim 1, characterized in that: The gap between the magnets (3) is 0.10 mm.

4. The ultra-thick full-circle transmitter magnet assembly structure according to claim 1, characterized in that: The magnet assembly (2), which has a circular ring structure, has an outer diameter of 62 mm and an inner diameter of 52 mm.

5. The ultra-thick full-circle emitter magnet assembly structure according to claim 1, characterized in that: The number of magnets (3) is 16, and the scallop angle of a single magnet (3) is 22.5°.

6. The ultra-thick full-circle transmitter magnet assembly structure according to claim 1, characterized in that: The magnet group (2) is a planar bipolar structure, and the magnetic poles of the magnet (3) are N on the outside and S on the inside.