Non-contact type power transmitting coil and non-contact type power supplying apparatus

• US 9,906,076 B2
• Filed: 11/07/2014
• Issued: 02/27/2018
• Est. Priority Date: 11/11/2013
• Status: Active Grant

• Current Assignee: Wit Co., Ltd.
• Original Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Inventors: Lim, Hyun Keun, Chang, Ki Won, Sung, Jae Suk, Lee, Sung Uk, Kang, Chang Soo, Kim, Si Hyung
• Primary Examiner(s): DeBeradinis, Robert
• Application Number:
  US14/536,471
• Publication Number:
  US 20150130291A1
• Time in Patent Office: 1,208 Days
• Field of Search: 307104
• CPC Class Codes: H01F 27/2804 Printed windings
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H01Q 1/2225 used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H02J 50/10 using inductive coupling

Abstract

A non-contact type power transmitting coil may include at least one conductor pattern disposed on at least one surface of a base having a predetermined area, having a plurality of turns, and transmitting received power externally in a non-contact manner. The intervals between at least some of adjacent pattern portions of the conductor pattern in a direction from a center portion of an inner diameter of the conductor pattern to an outermost pattern portion conductor pattern may be different from one another.

Claims

1. A non-contact type power transmitting coil comprising:

at least one conductor pattern having a plurality of turns, and configured to transmit power in a non-contact manner,

wherein intervals between at least some of adjacent pattern portions of the conductor pattern in a direction from a center of the conductor pattern to an outermost pattern portion of the conductor pattern are different from one another, and

wherein at least some of the adjacent pattern portions of the conductor pattern in the direction comprise different widths.

2. The non-contact type power transmitting coil of claim 1, wherein the intervals between the adjacent pattern portions of the conductor pattern in the direction are gradually decreased.

3. The non-contact type power transmitting coil of claim 1, wherein:

the intervals between the some of the adjacent pattern portions of the conductor pattern in the direction are provided at different first ratios,

intervals between at least some of the adjacent pattern portions of the conductor pattern in another direction from the center of the conductor pattern to another outermost pattern portion of the conductor pattern are provided at different second ratios, and

the first ratios are different from the second ratios.

4. The non-contact type power transmitting coil of claim 1, wherein:

the intervals between the some of the adjacent pattern portions of the conductor pattern in the direction are provided at different first ratios,

intervals between at least some of the adjacent pattern portions of the conductor pattern in another direction from the center of the conductor pattern to another outermost pattern portion of the conductor pattern are provided at different second ratios, and

the first ratios are the same as the second ratios.

5. The non-contact type power transmitting coil of claim 1, wherein:

at least some of the adjacent pattern portions of the conductor pattern in the direction have different intervals in at least one section of the conductor pattern, and

at least others of the adjacent pattern portions of the conductor pattern in the direction have the same interval in another section of the conductor pattern.

6. A non-contact type power transmitting coil comprising:

at least one conductor pattern having a plurality of turns, and configured to transmit power externally in a non-contact manner,

wherein widths of at least some of adjacent pattern portions of the conductor pattern in a direction from a center of the conductor pattern to an outermost pattern portion of the conductor pattern are different from one another.

7. The non-contact type power transmitting coil of claim 6, wherein the widths of the adjacent pattern portions of the conductor pattern in the direction are gradually decreased.

8. The non-contact type power transmitting coil of claim 6, wherein:

the widths of the some of the adjacent pattern portions of the conductor pattern in the direction are provided at different first ratios,

widths of at least some of the adjacent pattern portions of the conductor pattern in another direction from the center of the conductor pattern to another outermost pattern portion of the conductor pattern are provided at different second ratios, and

the first ratios are different from the second ratios.

9. The non-contact type power transmitting coil of claim 6, wherein:

the widths of the some of the adjacent pattern portions of the conductor pattern in the direction are provided at different first ratios,

widths of at least some of the adjacent pattern portions of the conductor pattern in another direction from the center of the conductor pattern to another outermost pattern portion of the conductor pattern are provided at different second ratios, and

the first ratios are the same as the second ratios.

10. The non-contact type power transmitting coil of claim 6, wherein:

at least some of the adjacent pattern portions of the conductor pattern in the direction have different widths in at least one section of the conductor pattern, and

at least others of the adjacent pattern portions of the conductor pattern in the direction have the same width in at another section of the conductor pattern.

11. A non-contact type power supplying apparatus, comprising:

a coil comprising a base, and at least one conductor pattern disposed on at least one surface of the base and comprising a plurality of turns; and

a power unit configured to supply power to the coil to transmit the power in a non-contact manner,

wherein intervals between at least some of adjacent pattern portions of the conductor pattern in a direction from a center of the conductor pattern to an outermost pattern portion of the conductor pattern are different from one another, and

wherein at least some of the adjacent pattern portions of the conductor pattern in the direction comprise different widths.

12. The non-contact type power supplying apparatus of claim 11, wherein the intervals between the adjacent pattern portions of the conductor pattern in the direction are gradually decreased.

13. The non-contact type power supplying apparatus of claim 11, wherein:

the intervals between the some of the adjacent pattern portions of the conductor pattern in the direction are provided at different first ratios,

intervals between at least some of the adjacent pattern portions of the conductor pattern in another direction from the center of the conductor pattern to another outermost pattern portion of the conductor pattern are provided at different second ratios, and

the first ratios are different from the second ratios.

14. The non-contact type power supplying apparatus of claim 11, wherein:

the intervals between the some of the adjacent pattern portions of the conductor pattern in the direction are provided at different first ratios,

intervals between at least some of the adjacent pattern portions of the conductor pattern in another direction from the center of the conductor pattern to another outermost pattern portion of the conductor pattern are provided at different second ratios, and

the first ratios are the same as the second ratios.

15. The non-contact type power supplying apparatus of claim 11, wherein:

intervals of at least some of the adjacent pattern portions of the conductor pattern in the direction are different from each other in at least one section of the conductor pattern, and

at least others of the adjacent pattern portions of the conductor pattern in the direction have the same interval in another section of the conductor pattern.

16. A non-contact type power supplying apparatus, comprising:

a base;

at least one conductor pattern disposed on at least one surface of the base and having a plurality of turns; and

a power unit configured to supply power to the conductor pattern to transmit the power externally in a non-contact manner,

wherein widths of at least some of adjacent pattern portions of the conductor pattern in a direction from a center of the conductor pattern to an outermost pattern portion of the conductor pattern are different from one another.

17. The non-contact type power supplying apparatus of claim 16, wherein the widths of the adjacent pattern portions of the conductor pattern in the direction are gradually decreased.

18. The non-contact type power supplying apparatus of claim 16, wherein:

the widths of the some of the adjacent pattern portions of the conductor pattern in the direction are provided at different first ratios,

widths of at least some of adjacent pattern portions of the conductor pattern in another direction from the center of the conductor pattern to another outermost pattern portion of the conductor pattern are provided at different second ratios, and

the first ratios are different from the second ratios.

19. The non-contact type power supplying apparatus of claim 16, wherein:

the widths of the some of the adjacent pattern portions of the conductor pattern in the direction are provided at different first ratios,

widths of at least some of adjacent pattern portions of the conductor pattern in another direction from the center of the conductor pattern to another outermost pattern portion of the conductor pattern are provided at different second ratios, and

the first ratios are the same as the second ratios.

20. The non-contact type power supplying apparatus of claim 16, wherein

at least some of the adjacent pattern portions of the conductor pattern in the direction have different widths in at least one section of the conductor pattern, and

at least others of the adjacent pattern portions of the conductor pattern have the same width in another section of the conductor pattern.

21. A non-contact type power supply apparatus comprising:

at least one conductor pattern comprising a plurality of turns and configured to supply power in a non-contact manner,

wherein at least some spacings between the turns of the conductor pattern are different from each other, and

wherein at least some of the turns of the conductor pattern comprise different widths from each other.

22. The non-contact type power supply apparatus of claim 21, wherein the spacings between the turns of the conductor pattern are decreased in order from innermost to outermost turns of the conductor pattern.

23. The non-contact type power supply apparatus of claim 21, wherein other spacings between the turns of the conductor pattern are the same.

24. A non-contact type power supply apparatus comprising:

at least one conductor pattern having a plurality of turns and configured to supply power in a non-contact manner, wherein at least some of the turns of the conductor pattern have different widths from each other.

25. The non-contact type power supply apparatus of claim 24, wherein the widths of the turns of the conductor pattern are decreased in order from innermost to outermost turns of the conductor pattern.

26. The non-contact type power supply apparatus of claim 24, wherein other widths of the turns of the conductor pattern are the same.