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Preparation method of ceramic tile applicable to wireless charging and ceramic tile

A wireless charging and tile technology, applied in the manufacture of inductors/transformers/magnets, transformer/inductor components, circuits, etc., can solve the problems of low protection cost and unbreakable, achieve high charging efficiency, overcome unevenness, large area effect

Active Publication Date: 2018-09-04
深圳市金核科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of the lack of a wireless charging product with integrated area, non-fragile, and low protection cost in the prior art, the present invention provides a preparation method and a magnetic tile that can be used for wireless charging.

Method used

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  • Preparation method of ceramic tile applicable to wireless charging and ceramic tile
  • Preparation method of ceramic tile applicable to wireless charging and ceramic tile
  • Preparation method of ceramic tile applicable to wireless charging and ceramic tile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 Shown, a kind of preparation method that can be used for the magnetic tile of wireless charging, comprises the steps:

[0030] 1. Sintered soft ferrite core or magnetic block.

[0031] 2. The sintered soft ferrite magnetic core or magnetic block is broken into particles of different particle sizes, and the particles of different particle sizes are divided into coarse particles and fine particles; wherein, the particle size of the coarse particles is 100 Mesh or above, the particle size of fine particles is 100 mesh to 500 mesh.

[0032] 3. Mix the adhesive evenly and set aside, the adhesive is epoxy resin or acrylic glue.

[0033] 4. The coarse particle, fine particle and the binding agent after mixing are strongly mixed to obtain a uniformly mixed fluid; in an embodiment of the present invention, the proportioning of coarse particle, fine particle tree and binding agent is 40-70%: 25-40%: 5-20%.

[0034] 5. Press the uniformly mixed fluid into a ti...

Embodiment 2

[0044] In a specific embodiment, preparing tile according to the method of the present invention comprises the following steps:

[0045] 1. Granulation: sinter the soft magnetic ferrite core or magnetic block, use the crusher to crush the fired soft magnetic ferrite core or magnetic block into particles of different sizes, and use the sieving machine to sieve the crushed particles into different sizes. Coarse and fine particles of particle size.

[0046] Among them, the particle size of the coarse particles is greater than 100 mesh, and the particle size of the fine particles is distributed between 100 mesh and 500 mesh.

[0047] 2. Glue compounding: mix the components of the adhesive according to the proportion and set aside.

[0048] 3. Intensive mixing: Pour the sieved ferrite coarse particles and fine particles into the planetary mixer in a certain proportion with the prepared adhesive, mix well and set aside.

[0049] Wherein, the ratio of coarse particles, fine particl...

Embodiment 3

[0054] Adopt the method of the present invention to make specification 500mm * 500mm * 10mm magnetic tile, specifically comprise the following steps:

[0055] 1. Granulation: Sinter the MnZn ferrite magnet block, crush the burnt MnZn ferrite magnet block in the crusher for 30 minutes; Particles and particle size distribution are fine particles of 100 mesh to 500 mesh.

[0056] 2. Glue compounding: Mix the components of the acrylic resin glue evenly according to the proportion and set aside.

[0057] 3. Intensive mixing: Pour the screened MnZn ferrite coarse particles and fine particles into the planetary mixer in a ratio of 6:3:1 with the prepared acrylic resin glue for 2 hours, mix well and set aside.

[0058] 4. Vacuum die-casting: inject the uniformly mixed fluid into a prefabricated 530mm×530mm×15mm frame mold, and then put it into a vacuum die-casting machine. 2 Under die casting.

[0059] 5. Curing and drying: Put the die-cast tile blanks together with the mold into a...

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Abstract

The invention provides a preparation method of a ceramic tile applicable to wireless charging and the ceramic tile. The preparation method comprises the following steps: S1, sintering a soft ferrite core or a magnetic block; S2, crushing the sintered soft ferrite core or magnetic block into particles with different particle sizes, and dividing the particles with different particle sizes into coarse particles and fine particles; S3, uniformly mixing an adhesive for use; S4, strongly mixing the coarse particles, the fine particles and the uniformly mixed adhesive to obtain a uniformly mixed fluid; S5, by a vacuum and high pressure die casting technology, pressing the uniformly mixed fluid into a ceramic tile blank; S6, sintering and curing the ceramic tile blank into the ceramic tile applicable to wireless charging. A magnetic separating piece required for high-power wireless charging, which is produced from the ceramic tile, has the characteristics of large area, integration, good surface flatness and high dimensional accuracy; a produced charging device is impact-resistant, is adaptable to superhigh power and is high in charging efficiency.

Description

technical field [0001] The invention relates to a wireless charging tile, in particular to a method for preparing a wireless charging tile and the tile. Background technique [0002] Climate change, energy and environmental issues are long-term problems faced by human society. Whether the three major issues of greenhouse gas emissions, energy consumption and tail gas emissions in the field of transportation can be effectively solved will directly affect the common problems of mankind. The global automobile industry is facing the upgrading of industrial structure and the strategic transformation of power system electrification. Electric vehicles are the development direction of the automobile industry. Due to the lack of charging infrastructure, the development of electric vehicles is restricted. The wireless charging method does not require the connection of cables between the vehicle and the power supply system, and the charging device can be flexibly arranged in parking...

Claims

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Application Information

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IPC IPC(8): C04B35/26H01F27/30H01F38/14H01F41/02
CPCC04B35/26C04B35/2658C04B2235/5427C04B2235/5436C04B2235/602H01F27/306H01F38/14H01F41/02
Inventor 巫济辉
Owner 深圳市金核科技股份有限公司