CONTACTLESS POWER TRANSMISSION DEVICE

• US 20140152245A1
• Filed: 02/14/2013
• Published: 06/05/2014
• Est. Priority Date: 12/03/2012
• Status: Abandoned Application

• Current Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Original Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Inventors: CHOI, Kang Ryong, AN, Sung Yong, JUNG, Chang Ryul, KIM, Seung Min
• Application Number:
  US13/767,065
• Publication Number:
  US 20140152245A1
• Time in Patent Office: Days
• US Class Current: 320/108
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/70 involving the reduction of electric, magnetic or electromagnetic leakage fields
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer

Abstract

There is provided a contactless power receiver including a receiving coil part formed on a substrate, a magnetic receiving sheet positioned on the receiving coil part, a power storing part positioned on the magnetic receiving sheet, and a shielding layer positioned on the power storing part.

Claims

1. A contactless power receiver comprising:

a receiving coil part formed on a substrate;

a magnetic receiving sheet positioned on the receiving coil part;

a power storing part positioned on the magnetic receiving sheet; and

a shielding layer positioned on the power storing part.

2. The contactless power receiver of claim 1, wherein a material of the shielding layer is at least one of pure iron, a silicon steel alloy, an No—

Fe—

Mo alloy, and permalloy.

3. The contactless power receiver of claim 1, wherein a thickness of the shielding layer is 0.1 to 0.3 mm.

4. The contactless power receiver of claim 1, wherein a material of the magnetic receiving sheet is at least one of an Ni—

Zn—

Cu alloy and an Mn—

Zn alloy.

5. The contactless power receiver of claim 1, wherein the power storing unit is a lithium ion secondary battery.

6. The contactless power receiver of claim 1, further comprising an electronic apparatus positioned on the shielding layer.

7. A contactless power transmission device comprising:

a contactless power receiver including a receiving coil part formed on a substrate, a magnetic receiving sheet positioned on the receiving coil part, a power storing part positioned on the magnetic receiving sheet, and a shielding layer positioned on the power storing part; and

a contactless power transmitter including a permanent magnet.

8. The contactless power transmission device of claim 7, wherein a material of the shielding layer is at least one of pure iron, a silicon steel alloy, an No—

Fe—

Mo alloy, and permalloy.

9. The contactless power transmission device of claim 7, wherein a thickness of the shielding layer is 0.1 to 0.3 mm.

10. The contactless power transmission device of claim 7, wherein a material of the magnetic receiving sheet is at least one of an Ni—

Zn—

Cu alloy and an Mn—

Zn alloy.

11. The contactless power transmission device of claim 7, wherein the power storing unit is a lithium ion secondary battery.

12. The contactless power transmission device of claim 7, wherein a material of the permanent magnet is at least one of an Nd—

Fe based magnet, Sm₂Co₁₇ based magnet, a ferrite magnet, and an alnico magnet.

13. The contactless power transmission device of claim 7, further comprising an electronic apparatus positioned on the shielding layer.