Wireless charging kit for portable electronic device

• US 20110227527A1
• Filed: 03/22/2010
• Published: 09/22/2011
• Est. Priority Date: 03/22/2010
• Status: Abandoned Application

• Current Assignee: Quatto Management Limited
• Original Assignee: Quatto Management Limited
• Inventors: Zhu, Shou Qiang, Zheng, Edward
• Application Number:
  US12/661,708
• Publication Number:
  US 20110227527A1
• Time in Patent Office: Days
• US Class Current: 320/108
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence

Abstract

A wireless charging kit includes a charging pad, a body cover for coupling with the portable electronic device, and a wireless charging arrangement. The wireless charging arrangement includes a first charging module provided at a supporting surface of the charging pad, and a second charging module provided at the body cover. The first charging module has two charging contact points electrically linking to a power source, wherein the second charging module has two charging contact surfaces electrically linking to a rechargeable battery of the portable device, such that the battery is able to be wireless charged via conductively contacting the charging contact surface with the charging contact points in a surface-to-point configuration, so as to simplified the alignment therebetween. The body cover is preferably a replacement of battery cover, so that the add-on component is required in order to wirelessly contact with the first charging module at the charging pad.

Claims

1. A wireless charging kit for a portable electronic device, comprising:

a charging pad having a supporting surface for said portable electronic device lying thereat;

a body cover adapted for coupling said portable electronic device; and

a wireless charging arrangement, which comprises;

a first charging module integrated with said charging pad, wherein said first charging module comprises a power inlet provided at said charging pad for electrically connecting to a power source, and two charging contact points spacedly located at said supporting surface of said charging pad and electrically extended from said power inlet; and

a second charging module integrated with said body cover, wherein said second charging module comprises two conductive pathways embedded in said body cover for electrically conducting with a rechargeable battery of said portable electronic device, and two charging contact surfaces extended from said conductive pathways respectively and arranged in such a manner that when said body cover is located at said supporting surface of said charging pad at a position that said charging contact surfaces are electrically contacted with said charging contact points respectively, said first charging module is adapted for electrically conducting with said portable electronic device to electrically charge said rechargeable battery of said portable electronic device in a wireless manner.

2. The wireless charging kit, as recited in claim 1, further comprising an alignment arrangement for precisely aligning said charging contact surfaces with said charging contact points respectively in contact manner, wherein said alignment arrangement comprises a first magnetic unit embedded in said body cover and a second magnetic unit provided at said supporting surface of said charging pad and magnetically attracting with said first magnetic unit, such that when said body cover is located at said supporting surface of said charging pad, said first magnetic unit is magnetically attracted with said second magnetic unit to ensure said charging contact surfaces being contacted with said charging contact points respectively.

3. The wireless charging kit, as recited in claim 2, wherein said first magnetic unit comprises two first magnetic elements spacedly embedded in said body cover at a position that said charging contact surfaces are located between said first magnetic elements, wherein said second magnetic unit comprises two second magnetic elements spacedly provided at said supporting surface of said charging pad at a position that said charging contact points are located between said second magnetic elements, such that when said first magnetic elements are magnetically attracted with said second magnetic elements respectively, said charging contact points are ensured to contact with said charging contact surfaces for electrically conduction.

4. The wireless charging kit, as recited in claim 2, wherein said first magnetic unit is embedded in said body cover at a position that said charging contact surfaces are coaxially aligned with said first magnetic unit, wherein said second magnetic unit is provided at said supporting surface of said charging pad at a position that said second magnetic unit is located between said charging contact points, such that when said first magnetic unit is magnetically attracted with said second magnetic unit, said charging contact points are ensured to contact with said charging contact surfaces for electrically conduction.

5. The wireless charging kit, as recited in claim 1, wherein said conductive pathways are two conductive wires embedded at an interior surface said body cover for electrically contacting with two battery contact terminals of said portable electronic device.

6. The wireless charging kit, as recited in claim 3, wherein said conductive pathways are two conductive wires embedded at an interior surface said body cover for electrically contacting with two battery contact terminals of said portable electronic device.

7. The wireless charging kit, as recited in claim 4, wherein said conductive pathways are two conductive wires embedded at an interior surface said body cover for electrically contacting with two battery contact terminals of said portable electronic device.

8. The wireless charging kit, as recited in claim 1, wherein said charging contact surfaces are two enlarged contact surfaces provided at an exterior surface of said body cover and are formed in arc shape to contact with said charging contact points respectively in a surface-to-point contacting configuration.

9. The wireless charging kit, as recited in claim 6, wherein said charging contact surfaces are two enlarged contact surfaces provided at an exterior surface of said body cover and are formed in arc shape to contact with said charging contact points respectively in a surface-to-point contacting configuration.

10. The wireless charging kit, as recited in claim 7, wherein said charging contact surfaces are two enlarged contact surfaces provided at an exterior surface of said body cover and are formed in arc shape to contact with said charging contact points respectively in a surface-to-point contacting configuration.

11. The wireless charging kit, as recited in claim 1, wherein said body cover is a replacement of a battery cover of said portable electronic device.

12. The wireless charging kit, as recited in claim 9, wherein said body cover is a replacement of a battery cover of said portable electronic device.

13. The wireless charging kit, as recited in claim 10, wherein said body cover is a replacement of a battery cover of said portable electronic device.

14. The wireless charging kit, as recited in claim 1, wherein said charging pad comprises a rest station defining said supporting surface at a top surface of said rest station that said first charging module is provided at said top surface of said rest station, such that when said body cover is lain on said top surface of said rest station, said charging contact surfaces are electrically contacted with said charging contact points at said top surface of said rest station for electrically conducting said portable electronic device.

15. The wireless charging kit, as recited in claim 12, wherein said charging pad comprises a rest station defining said supporting surface at a top surface of said rest station that said first charging module is provided at said top surface of said rest station, such that when said body cover is lain on said top surface of said rest station, said charging contact surfaces are electrically contacted with said charging contact points at said top surface of said rest station for electrically conducting said portable electronic device.

16. The wireless charging kit, as recited in claim 13, wherein said charging pad comprises a rest station defining said supporting surface at a top surface of said rest station that said first charging module is provided at said top surface of said rest station, such that when said body cover is lain on said top surface of said rest station, said charging contact surfaces are electrically contacted with said charging contact points at said top surface of said rest station for electrically conducting said portable electronic device.

17. The wireless charging kit, as recited in claim 14, wherein said charging pad further comprises an alignment wall upwardly extended from said rest station and defining said supporting surface at a side surface of said alignment wall extended from said top surface of said rest station, wherein said first charging module further comprises two charging terminal surfaces longitudinally extended along said side surface of said alignment wall to conductively contact with said charging contact surfaces respectively.

18. The wireless charging kit, as recited in claim 15, wherein said charging pad further comprises an alignment wall upwardly extended from said rest station and defining said supporting surface at a side surface of said alignment wall extended from said top surface of said rest station, wherein said first charging module further comprises two charging terminal surfaces longitudinally extended along said side surface of said alignment wall to conductively contact with said charging contact surfaces respectively.

19. The wireless charging kit, as recited in claim 16, wherein said charging pad further comprises an alignment wall upwardly extended from said rest station and defining said supporting surface at a side surface of said alignment wall extended from said top surface of said rest station, wherein said first charging module further comprises two charging terminal surfaces longitudinally extended along said side surface of said alignment wall to conductively contact with said charging contact surfaces respectively.

20. The wireless charging kit, as recited in claim 17, wherein said body cover comprises a cover head defining said charging contact surfaces at an outer side of said cover head and a terminal plug extended from an inner side of said cover head for detachably coupling with a charging outlet of said portable electronic device, such that when said cover head is lain along said side surface of said alignment wall, said charging contact surfaces are electrically contacted with said first charging module at said side surface of said alignment wall for electrically conducting said portable electronic device.

21. The wireless charging kit, as recited in claim 18, wherein said body cover comprises a cover head defining said charging contact surfaces at an outer side of said cover head and a terminal plug extended from an inner side of said cover head for detachably coupling with a charging outlet of said portable electronic device, such that when said cover head is lain along said side surface of said alignment wall, said charging contact surfaces are electrically contacted with said first charging module at said side surface of said alignment wall for electrically conducting said portable electronic device.

22. The wireless charging kit, as recited in claim 19, wherein said body cover comprises a cover head defining said charging contact surfaces at an outer side of said cover head and a terminal plug extended from an inner side of said cover head for detachably coupling with a charging outlet of said portable electronic device, such that when said cover head is lain along said side surface of said alignment wall, said charging contact surfaces are electrically contacted with said first charging module at said side surface of said alignment wall for electrically conducting said portable electronic device.

23. The wireless charging kit, as recited in claim 1, wherein said charging pad comprises an alignment wall extended upwardly to define said supporting surface at a side surface of said alignment wall, wherein said first charging module further comprises two charging terminal surfaces longitudinally extended along said side surface of said alignment wall to conductively contact with said charging contact surfaces respectively.

24. The wireless charging kit, as recited in claim 23, wherein said body cover comprises a cover head defining said charging contact surfaces at an outer side of said cover head and a terminal plug extended from an inner side of said cover head for detachably coupling with a charging outlet of said portable electronic device.

25. The wireless charging kit, as recited in claim 24, wherein said conductive pathways are two conductive wires embedded in said cover head and electrically extended from said terminal plug to said charging contact surfaces.

26. A method of wirelessly charging a portable electronic device via a wireless charging kit which comprises a charging pad electrically connecting with a power source, a body cover, and a wireless charging arrangement having first and second charging modules integrated with said charging pad and said body cover respectively, wherein the method comprises the steps of:

(a) coupling said body cover with said portable electronic device at a position that said second charging module is electrically conducted with a rechargeable battery of said portable electronic device;

(b) lying said portable electronic device at a supporting surface of said charging pad at a position that said first charging module is aligned with said second charging module; and

(c) electrically contacting two charging contact surfaces of said second charging module with two charging contact points of said first charging module to electrically conduct with said portable electronic device so as to electrically charge said rechargeable battery of said portable electronic device in a wireless manner.

27. The method, as recited in claim 26, wherein the step (b) further comprises the steps of:

(b.1) embedding a first magnetic unit in said body cover;

(b.2) providing a second magnetic unit at said supporting surface of said charging pad; and

(b.3) magnetically attracting said second magnetic unit with said first magnetic unit, wherein when said body cover is located at said supporting surface of said charging pad, said first magnetic unit is magnetically attracted with said second magnetic unit to ensure said charging contact surfaces being contacted with said charging contact points respectively.

28. The method, as recited in claim 27, wherein said first magnetic unit comprises two first magnetic elements spacedly embedded in said body cover at a position that said charging contact surfaces are located between said first magnetic elements, wherein said second magnetic unit comprises two second magnetic elements spacedly provided at said supporting surface of said charging pad at a position that said charging contact points are located between said second magnetic elements, such that when said first magnetic elements are magnetically attracted with said second magnetic elements respectively, said charging contact points are ensured to contact with said charging contact surfaces for electrically conduction.

29. The method, as recited in claim 27, wherein said first magnetic unit is embedded in said body cover at a position that said charging contact surfaces are coaxially aligned with said first magnetic unit, wherein said second magnetic unit is provided at said supporting surface of said charging pad at a position that said second magnetic unit is located between said charging contact points, such that when said first magnetic unit is magnetically attracted with said second magnetic unit, said charging contact points are ensured to contact with said charging contact surfaces for electrically conduction.

30. The method, as recited in claim 26, wherein the step (a) further comprises a step of embedding two conductive pathways at said body cover that said conductive pathways are extended from said charging contact surfaces to electrically conduct with said rechargeable battery of said portable electronic device.

31. The method, as recited in claim 28, wherein the step (a) further comprises a step of embedding two conductive pathways at said body cover that said conductive pathways are extended from said charging contact surfaces to electrically conduct with said rechargeable battery of said portable electronic device.

32. The method, as recited in claim 29, wherein the step (a) further comprises a step of embedding two conductive pathways at said body cover that said conductive pathways are extended from said charging contact surfaces to electrically conduct with said rechargeable battery of said portable electronic device.

33. The method, as recited in claim 30, wherein said conductive pathways are two conductive wires embedded at an interior surface said body cover for electrically contacting with two battery contact terminals of said portable electronic device.

34. The method, as recited in claim 31, wherein said conductive pathways are two conductive wires embedded at an interior surface said body cover for electrically contacting with two battery contact terminals of said portable electronic device.

35. The method, as recited in claim 32, wherein said conductive pathways are two conductive wires embedded at an interior surface said body cover for electrically contacting with two battery contact terminals of said portable electronic device.

36. The method, as recited in claim 26, wherein said charging contact surfaces are two enlarged contact surfaces provided at an exterior surface of said body cover and are formed in arc shape to contact with said charging contact points respectively in a surface-to-point contacting configuration.

37. The method, as recited in claim 34, wherein said charging contact surfaces are two enlarged contact surfaces provided at an exterior surface of said body cover and are formed in arc shape to contact with said charging contact points respectively in a surface-to-point contacting configuration.

38. The method, as recited in claim 35, wherein said charging contact surfaces are two enlarged contact surfaces provided at an exterior surface of said body cover and are formed in arc shape to contact with said charging contact points respectively in a surface-to-point contacting configuration.

39. The method as recited in claim 26 wherein, in the step (a), said body cover is detachably coupling with said portable electronic device by replacing a battery cover of said portable electronic device.

40. The method as recited in claim 37 wherein, in the step (a), said body cover is detachably coupling with said portable electronic device by replacing a battery cover of said portable electronic device.

41. The method as recited in claim 38 wherein, in the step (a), said body cover is detachably coupling with said portable electronic device by replacing a battery cover of said portable electronic device.

42. The method as recited in claim 26 wherein, in the step (b), said charging pad comprises a rest station defining said supporting surface at a top surface of said rest station that said first charging module is provided at said top surface of said rest station, such that when said body cover is lain on said top surface of said rest station, said charging contact surfaces are electrically contacted with said charging contact points at said top surface of said rest station for electrically conducting said portable electronic device.

43. The method as recited in claim 40 wherein, in the step (b), said charging pad comprises a rest station defining said supporting surface at a top surface of said rest station that said first charging module is provided at said top surface of said rest station, such that when said body cover is lain on said top surface of said rest station, said charging contact surfaces are electrically contacted with said charging contact points at said top surface of said rest station for electrically conducting said portable electronic device.

44. The method as recited in claim 41 wherein, in the step (b), said charging pad comprises a rest station defining said supporting surface at a top surface of said rest station that said first charging module is provided at said top surface of said rest station, such that when said body cover is lain on said top surface of said rest station, said charging contact surfaces are electrically contacted with said charging contact points at said top surface of said rest station for electrically conducting said portable electronic device.

45. The method as recited in claim 42 wherein, in the step (b), said charging pad further comprises an alignment wall upwardly extended from said rest station and defining said supporting surface at a side surface of said alignment wall extended from said top surface of said rest station, wherein said first charging module further comprises two charging terminal surfaces longitudinally extended along said side surface of said alignment wall to conductively contact with said charging contact surfaces respectively.

46. The method as recited in claim 43 wherein, in the step (b), said charging pad further comprises an alignment wall upwardly extended from said rest station and defining said supporting surface at a side surface of said alignment wall extended from said top surface of said rest station, wherein said first charging module further comprises two charging terminal surfaces longitudinally extended along said side surface of said alignment wall to conductively contact with said charging contact surfaces respectively.

47. The method as recited in claim 44 wherein, in the step (b), said charging pad further comprises an alignment wall upwardly extended from said rest station and defining said supporting surface at a side surface of said alignment wall extended from said top surface of said rest station, wherein said first charging module further comprises two charging terminal surfaces longitudinally extended along said side surface of said alignment wall to conductively contact with said charging contact surfaces respectively.

48. The method as recited in claim 45 wherein, in the step (a), said body cover comprises a cover head defining said charging contact surfaces at an outer side of said cover head and a terminal plug extended from an inner side of said cover head for detachably coupling with a charging outlet of said portable electronic device, such that when said cover head is lain along said side surface of said alignment wall, said charging contact surfaces are electrically contacted with said charging terminal surfaces at said side surface of said alignment wall for electrically conducting said portable electronic device.

49. The method as recited in claim 46 wherein, in the step (a), said body cover comprises a cover head defining said charging contact surfaces at an outer side of said cover head and a terminal plug extended from an inner side of said cover head for detachably coupling with a charging outlet of said portable electronic device, such that when said cover head is lain along said side surface of said alignment wall, said charging contact surfaces are electrically contacted with said charging terminal surfaces at said side surface of said alignment wall for electrically conducting said portable electronic device.

50. The method as recited in claim 47 wherein, in the step (a), said body cover comprises a cover head defining said charging contact surfaces at an outer side of said cover head and a terminal plug extended from an inner side of said cover head for detachably coupling with a charging outlet of said portable electronic device, such that when said cover head is lain along said side surface of said alignment wall, said charging contact surfaces are electrically contacted with said charging terminal surfaces at said side surface of said alignment wall for electrically conducting said portable electronic device.

51. The method as recited in claim 26 wherein, in the step (b) said charging pad comprises an alignment wall extended upwardly to define said supporting surface at a side surface of said alignment wall, wherein said first charging module further comprises two charging terminal surfaces longitudinally extended along said side surface of said alignment wall to conductively contact with said charging contact surfaces respectively.

52. The method as recited in claim 51 wherein, in the step (a), said body cover comprises a cover head defining said charging contact surfaces at an outer side of said cover head and a terminal plug extended from an inner side of said cover head for detachably coupling with a charging outlet of said portable electronic device.

53. The method, as recited in claim 52, wherein said conductive pathways are two conductive wires embedded in said cover head and electrically extended from said terminal plug to said charging contact surfaces.

54. A wireless charging kit for a portable electronic device, comprising:

a charging pad having a supporting surface for said portable electronic device lying thereat, wherein a thickness of said charging pad is 2.5 mm or less;

a body cover adapted for coupling said portable electronic device, wherein a thickness of said body cover is 0.5 mm or less; and

a wireless charging arrangement, which comprises;

a first charging module integrated with said charging pad for electrically connecting with a power source; and

a second charging module integrated with said body cover for electrically conducting with a rechargeable battery of said portable electronic device, wherein when said body cover is located at said supporting surface of said charging pad at a position that said second charging module is electrically contacted with said first charging module, said first charging module is adapted for electrically conducting with said portable electronic device to electrically charge said rechargeable battery of said portable electronic device in a wireless manner.

55. The wireless charging kit, as recited in claim 54, wherein said second charging module comprises two conductive pathways embedded in said body cover for electrically conducting with a rechargeable battery of said portable electronic device, and two charging contact surfaces extended from said conductive pathways respectively to electrically contact with said first charging module.

56. The wireless charging kit, as recited in claim 55, wherein a thickness of each of said charging contact surfaces is 0.1 mm or less.

57. The wireless charging kit, as recited in claim 55, wherein a relative distance between said two charging contact surfaces is 10 mm.

58. The wireless charging kit, as recited in claim 54, wherein said first charging module comprises a power inlet provided at said charging pad for electrically connecting to a power source, and two charging contact points spacedly located at said supporting surface of said charging pad and electrically extended from said power inlet to electrically contact with said second charging module.

59. The wireless charging kit, as recited in claim 56, wherein said first charging module comprises a power inlet provided at said charging pad for electrically connecting to a power source, and two charging contact points spacedly located at said supporting surface of said charging pad and electrically extended from said power inlet to electrically contact with said second charging module.

60. The wireless charging kit, as recited in claim 59, wherein a distance between said two charging contact points is 10 mm.

61. The wireless charging kit, as recited in claim 54, further comprising an alignment arrangement for precisely aligning said charging contact surfaces with said charging contact points respectively in contact manner, wherein said alignment arrangement comprises a first magnetic unit embedded in said body cover and a second magnetic unit provided at said supporting surface of said charging pad and magnetically attracting with said first magnetic unit, such that when said body cover is located at said supporting surface of said charging pad, said first magnetic unit is magnetically attracted with said second magnetic unit to ensure said charging contact surfaces being contacted with said charging contact points respectively.

62. The wireless charging kit, as recited in claim 56, further comprising an alignment arrangement for precisely aligning said charging contact surfaces with said charging contact points respectively in contact manner, wherein said alignment arrangement comprises a first magnetic unit embedded in said body cover and a second magnetic unit provided at said supporting surface of said charging pad and magnetically attracting with said first magnetic unit, such that when said body cover is located at said supporting surface of said charging pad, said first magnetic unit is magnetically attracted with said second magnetic unit to ensure said charging contact surfaces being contacted with said charging contact points respectively.

63. The wireless charging kit, as recited in claim 59, further comprising an alignment arrangement for precisely aligning said charging contact surfaces with said charging contact points respectively in contact manner, wherein said alignment arrangement comprises a first magnetic unit embedded in said body cover and a second magnetic unit provided at said supporting surface of said charging pad and magnetically attracting with said first magnetic unit, such that when said body cover is located at said supporting surface of said charging pad, said first magnetic unit is magnetically attracted with said second magnetic unit to ensure said charging contact surfaces being contacted with said charging contact points respectively.

64. The wireless charging kit, as recited in claim 61, wherein a thickness of said first magnetic unit is 0.3 mm or less.

65. The wireless charging kit, as recited in claim 62, wherein a thickness of said first magnetic unit is 0.3 mm or less.

66. The wireless charging kit, as recited in claim 63, wherein a thickness of said first magnetic unit is 0.3 mm or less.

67. The wireless charging kit, as recited in claim 66, wherein said first magnetic unit comprises two first magnetic elements spacedly embedded in said body cover at a position that said charging contact surfaces are located between said first magnetic elements, wherein said second magnetic unit comprises two second magnetic elements spacedly provided at said supporting surface of said charging pad at a position that said charging contact points are located between said second magnetic elements, such that when said first magnetic elements are magnetically attracted with said second magnetic elements respectively, said charging contact points are ensured to contact with said charging contact surfaces for electrically conduction.

68. The wireless charging kit, as recited in claim 66, wherein said first magnetic unit is embedded in said body cover at a position that said charging contact surfaces are coaxially aligned with said first magnetic unit, wherein said second magnetic unit is provided at said supporting surface of said charging pad at a position that said second magnetic unit is located between said charging contact points, such that when said first magnetic unit is magnetically attracted with said second magnetic unit, said charging contact points are ensured to contact with said charging contact surfaces for electrically conduction.

69. The wireless charging kit, as recited in claim 67, wherein said conductive pathways are two conductive wires embedded at an interior surface said body cover for electrically contacting with two battery contact terminals of said portable electronic device.

70. The wireless charging kit, as recited in claim 68, wherein said conductive pathways are two conductive wires embedded at an interior surface said body cover for electrically contacting with two battery contact terminals of said portable electronic device.

71. The wireless charging kit, as recited in claim 69, wherein said charging contact surfaces are two enlarged contact surfaces provided at an exterior surface of said body cover and are formed in arc shape to contact with said charging contact points respectively in a surface-to-point contacting configuration.

72. The wireless charging kit, as recited in claim 68, wherein said charging contact surfaces are two enlarged contact surfaces provided at an exterior surface of said body cover and are formed in arc shape to contact with said charging contact points respectively in a surface-to-point contacting configuration.

73. The wireless charging kit, as recited in claim 71, wherein a curvature of each of said charging contact surfaces is at least 120°

.

74. The wireless charging kit, as recited in claim 72, wherein a curvature of each of said charging contact surfaces is at least 120°

.

75. The wireless charging kit, as recited in claim 54, wherein said body cover is a replacement of a battery cover of said portable electronic device.

76. The wireless charging kit, as recited in claim 71, wherein said body cover is a replacement of a battery cover of said portable electronic device.

77. The wireless charging kit, as recited in claim 72, wherein said body cover is a replacement of a battery cover of said portable electronic device.

78. The wireless charging kit, as recited in claim 54, wherein said charging pad comprises a rest station defining said supporting surface at a top surface of said rest station that said first charging module is provided at said top surface of said rest station, wherein a thickness of said rest station is 2.5 mm or less.

79. The wireless charging kit, as recited in claim 76, wherein said charging pad comprises a rest station defining said supporting surface at a top surface of said rest station that said first charging module is provided at said top surface of said rest station, wherein a thickness of said rest station is 2.5 mm or less.

80. The wireless charging kit, as recited in claim 77, wherein said charging pad comprises a rest station defining said supporting surface at a top surface of said rest station that said first charging module is provided at said top surface of said rest station, wherein a thickness of said rest station is 2.5 mm or less.