Wireless charging device

• US 9,300,151 B2
• Filed: 02/25/2014
• Issued: 03/29/2016
• Est. Priority Date: 02/25/2014
• Status: Active Grant

• Current Assignee: LinkCom Manufacturing Co., Ltd.
• Original Assignee: Youhua Technology (Shenzhen) Co., Ltd.
• Inventors: Chen, Shih Chung, Chen, Shu-Mu
• Primary Examiner(s): GARBOWSKI, LEIGH M
• Application Number:
  US14/188,770
• Publication Number:
  US 20150244195A1
• Time in Patent Office: 763 Days
• Field of Search: None
• US Class Current: 1/1
• 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
• CPC Class Codes: H02J 7/0045 concerning the insertion or the connection of the batteries
• CPC Class Codes: H02J 7/0069 Charging or discharging for charge maintenance, battery initiation or rejuvenation

Abstract

A wireless charging device of the disclosure is used for carrying out wireless battery charging for an electronic device. The wireless charging device includes a wireless charger, a positioning seat, and an adjusting seat. The positioning seat is fixed with the wireless charger. The positioning seat and the wireless charger collectively form a sliding space. The adjusting seat supports the electronic device. The adjusting seat extends into the sliding space and slides along the sliding space relatively to the positioning seat, to adjust a location of a transmitter coil center of the wireless charger, which results that the transmitter coil center of the transmitter of the wireless charger aligns to a receptor coil center of the electronic device.

Claims

1. A wireless charging device used for carrying out wireless battery charging for an electronic device, the wireless charging device comprising:

a wireless charger;

a positioning seat fixed with the wireless charger, wherein the positioning seat and the wireless charger collectively form a sliding space; and

an adjusting seat supporting the electronic device;

wherein the adjusting seat extends into the sliding space and slides along the sliding space relatively to the positioning seat, to adjust a location of a transmitter coil center of the wireless charger, which results that the transmitter coil center of the transmitter of the wireless charger aligns to a receptor coil center of the electronic device;

wherein the wireless charger comprises at least one first latching, portion and at least one second latching portion, the positioning seat comprises a first positioning board, at least one first hook, and at least one second hook, the first hook and the second hook project from the first positioning board, and wherein the sliding space is formed between the first positioning board and the wireless charger, the first hook engages with the first latching portion, and the second hook engages with the second latching portion to fix the wireless charger with the positioning seat.

2. The wireless charging device of claim 1, wherein the first latching portion defines a guiding slot, and comprises a first latching block extending from one side of the guiding slot, a stopping space is formed between the first latching block and a bottom of the guiding slot, wherein the first hook comprises a second latching block projecting from the first positioning board and a stopping block extending from the second latching block and parallel with the first positioning board, and wherein the first hook extends into the guiding slot and slides along the guiding slot, the stopping block slides into the stopping space and stops at the first latching block, and the first latching block and the second latching block mesh with each other to fix the wireless charger with the first positioning board.

3. The wireless charging device of claim 2, wherein the first latching portion and the second latching portion are axisymmetric.

4. The wireless charging device of claim 2, wherein the adjusting seat comprises a supporting board supporting the electronic device, and an adjusting board connected with the supporting board, wherein the adjusting board extends into the sliding space and slides in the sliding space to adjust the location of the transmitter coil center of the wireless charger.

5. The wireless charging device of claim 4, wherein the supporting board comprises a first supporting portion supporting the electronic device, and a slanting portion extending from one side of the first supporting portion slantly, and the adjusting board extends from the slanting portion and parallel with the wireless charger, and wherein a bottom of the wireless charger contacts the slanting portion.

6. The wireless charging device of claim 5, wherein the supporting board further comprises a second supporting portion and a third supporting portion, the second supporting portion extends from one side of the slanting portion, the third supporting portion extends from another side of the first supporting portion and toward the second supporting portion, and wherein the second supporting portion and the third supporting portion collectively support the wireless charger.

7. The wireless charging device of claim 6, wherein the positioning seat further comprises a pair of ribs extending from two sides of the first positioning board, respectively, the first hook and the second hook project from the pair of ribs, respectively, the pair of ribs resist the wireless charger, and wherein the pair of ribs, the first positioning board, and the wireless charger collectively form the sliding space.

8. The wireless charging device of claim 7, wherein the adjusting board defines a plurality of positioning slots, a latching strip projects from one side of the first positioning board toward the sliding space, and wherein the latching strip engages with one of the positioning slots to adjust a location of the wireless charger relative to the supporting board.

9. The wireless charging device of claim 8, wherein the positioning seat further comprises an operating strip, a pair of gaps are defined between the two side of the operating strip and the first positioning board, and the operating strip comprises a operating portion, the latching strip and the operating portion are located at two sides of the operating strip, respectively.

10. The wireless charging device of claim 5, wherein the adjusting board defines a sliding groove, the wireless charging device further comprises a sliding block fixed with the first positioning board, and wherein the sliding block slides along the sliding groove to adjust the location of the transmitter coil center of the wireless charger.

11. The wireless charging device of claim 10, wherein the positioning seat further comprises a second positioning board, two sides of the second positioning board connect with two sides of the first positioning board, respectively to collectively form a sliding slot, and wherein the wireless charging device further comprises a first clamping board and a second clamping board, one end of the first clamping board inserts into the sliding slot from one end of the sliding slot, and one end of the second clamping board inserts into the sliding slot from another end of the sliding slot, and wherein the first clamping board and the second clamping board slide along the sliding slot, respectively, to adjust distance between another ends of the first clamping board and the second clamping board, and wherein the electronic device are clamped between the other ends of the first clamping board and the second clamping board.

12. The wireless charging device of claim 11, wherein the sliding slot comprises a first child sliding slot and a second child sliding slot parallel to the first child sliding slot, and the first clamping board comprises a first clamping portion, a first sliding strip and a second sliding strip, the first and second sliding strips extend from the first clamping portion and slide in the first child sliding slot and the second child sliding slot, respectively, the first clamping portion exposes out of the sliding slot.

13. The wireless charging device of claim 12, wherein the second sliding strip defines a plurality of first recesses, the second positioning board defines a first latching slot in communication with the second child sliding slot, and wherein the wireless charging device further comprises a first positioning block, the first positioning block is positioned at the first latching slot with one end of the first positioning block extending into the second child sliding slot to engage with one of the first recesses to adjust a distance between the first clamping portion of the first clamping board and the first positioning board.

14. The wireless charging device of claim 13, wherein the second clamping board comprises a second clamping portion, a third sliding strip, and a fourth sliding strip, the third and fourth sliding strips extend from the second clamping portion, and slides in the first child sliding slot and the second child sliding slot, respectively, and wherein the second clamping board exposes out of the sliding slot.

15. The wireless charging device of claim 14, wherein the third sliding strip defines a plurality of second recesses, the second positioning board defines a second latching slot in communication with the first child sliding slot, and wherein the wireless charging device further comprises a second positioning block, the second positioning block is positioned at the second latching slot with one end of the second positioning block extending into the first child sliding slot to engage with one of the second recesses to adjust a distance between the second clamping portion of the second clamping board and the first positioning board.

16. The wireless charging device of claim 11, wherein the positioning seat further comprises a plurality of clamping sheets projecting from the second positioning board, and a sleeve projecting from the second positioning board, and wherein the clamping sheets forms a shape of a circle, and the sleeve surrounds the clamping sheets, and wherein the wireless charging device further comprises a supporting mechanism, and one end of the supporting mechanism extends into the clamping sheets and fixes with the second positioning board by engagement between a fixing part and the sleeve.

17. The wireless charging device of claim 16, wherein the supporting mechanism comprises a spherical joint extends into the clamping sheets and stops at the fixing part, the spherical joint latches with the second positioning board with rotation of the fixing part.

18. The wireless charging device of claim 17, wherein the supporting mechanism comprises a connecting board, a pair of supporting arms, and a pair of latching arms, the spherical joint projects from one side of the connecting board, the pair of supporting arms respectively extends from the connecting board and locate symmetrically at two ends of the connecting board, and the pair of latching arms respectively parallel extends from another side of the connecting board.

19. The wireless charging device of claim 16, wherein the supporting mechanism is a sucker.