NON-CONTACT TYPE POWER CHARGING APPARATUS AND NON-CONTACT TYPE BATTERY APPARATUS

• US 20150256022A1
• Filed: 02/10/2015
• Published: 09/10/2015
• Est. Priority Date: 03/06/2014
• Status: Active Grant

• Current Assignee: Wit Co., Ltd.
• Original Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Inventors: JEONG, In Wha, SUNG, Jae Suk, KIM, Hugh
• Granted Patent: US 9,673,658 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H02J 50/005 Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
• CPC Class Codes: H02J 50/05 using capacitive coupling
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/402 the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
• CPC Class Codes: H02J 50/70 involving the reduction of electric, magnetic or electromagnetic leakage fields
• CPC Class Codes: H02J 7/0014 Circuits for equalisation of charge between batteries
• CPC Class Codes: H02J 7/0018 using separate charge circuits

Abstract

A non-contact type power charging apparatus and a non-contact type battery apparatus may transmit power to each of a plurality of battery cells in a capacitive coupling scheme. The non-contact type power charging apparatus may include a power transmitting apparatus transmitting power in a capacitive coupling scheme, and a power receiving apparatus receiving the power transmitted from the power transmitting apparatus to charge each of a plurality of battery cells with the power. The non-contact type battery apparatus may include a plurality of power receiving electrodes each receiving power transmitted in a capacitive coupling scheme, and a plurality of battery cells each charged with the power transmitted to the plurality of power receiving electrodes.

Claims

1. A non-contact type power charging apparatus, comprising:

a power transmitting apparatus transmitting power in a capacitive coupling scheme; and

a power receiving apparatus receiving the power transmitted from the power transmitting apparatus to charge each of a plurality of battery cells with the power.

2. The non-contact type power charging apparatus of claim 1, wherein the power receiving apparatus includes a plurality of power receiving electrodes receiving the power transmitted from the power transmitting apparatus for each corresponding battery cell among the plurality of battery cells.

3. The non-contact type power charging apparatus of claim 2, wherein the plurality of power receiving electrodes correspond to the plurality of battery cells in a one-to-one manner to receive power for each corresponding battery cell.

4. The non-contact type power charging apparatus of claim 3, wherein the power receiving apparatus further includes:

a plurality of rectifying units rectifying the power received from the plurality of power receiving electrodes, respectively; and

a plurality of converting units converting the rectified power from the plurality of rectifying units into charging power, respectively.

5. The non-contact type power charging apparatus of claim 3, wherein the power receiving apparatus further includes a plurality of switches having one sides connected to one ends of the plurality of battery cells, respectively, and selectively connecting a corresponding battery cell to the other end of an adjacent battery cell or a ground.

6. The non-contact type power charging apparatus of claim 1, wherein the power transmitting apparatus includes:

a power transmitting circuit unit applying power to the power transmitting electrode; and

a power transmitting electrode transmitting the power applied by the power transmitting circuit unit to the power receiving apparatus in the capacitive coupling scheme.

7. A non-contact type battery apparatus, comprising:

a plurality of power receiving electrodes each receiving power transmitted in a capacitive coupling scheme; and

a plurality of battery cells respectively charged with the power transmitted to the plurality of power receiving electrodes.

8. The non-contact type battery apparatus of claim 7, wherein the plurality of power receiving electrodes correspond to the plurality of battery cells in a one-to-one manner to receive power for each corresponding battery cell.

9. The non-contact type battery apparatus of claim 8, further comprising a plurality of power charging units converting the power received from the plurality of power receiving electrodes into charging power to charge each corresponding battery cell with the charging power.

10. The non-contact type battery apparatus of claim 9, wherein each of the plurality of power charging units includes:

a rectifying unit rectifying the power received from each of the corresponding power receiving electrodes; and

a converting unit converting the rectified power from each rectifying unit into charging power.

11. The non-contact type battery apparatus of claim 8, further comprising a plurality of switches having one sides connected to one ends of the plurality of battery cells, respectively, and selectively connecting a corresponding battery cell to the other end of an adjacent battery cell or a ground.