Non-contact and contact power charging device and controlling method thereof

• US 9,024,577 B2
• Filed: 06/11/2012
• Issued: 05/05/2015
• Est. Priority Date: 06/10/2011
• Status: Active Grant

• Current Assignee: GE Hybrid Technologies, LLC
• Original Assignee: Hanrim Postech Co., Ltd.
• Inventors: Jung, Chun-Kil, Kuk, Yoon-Sang
• Primary Examiner(s): Ngo, Brian
• Application Number:
  US13/493,479
• Publication Number:
  US 20120313578A1
• Time in Patent Office: 1,058 Days
• Field of Search: 320/108, 320/137, 320/106, 320/107, 320/109
• US Class Current: 320/108
• CPC Class Codes: H02J 5/00 Circuit arrangements for transfer of electric power between ac networks and dc networks H02J3/36 takes precedence
• 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 50/12 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 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence
• CPC Class Codes: H02J 7/0049 Detection of fully charged condition
• CPC Class Codes: H02J 7/007 Regulation of charging or discharging current or voltage
• CPC Class Codes: H02J 7/02 for charging batteries from ac mains by converters

Abstract

A non-contact-contact power charge device, and a controlling method thereof, includes: a charge contact terminal including a charge output voltage pin, a ground pin, and a non-contact charge connection pin, the charge contact terminal being able to connect to a contact power receiver and a non-contact power transmitter; and a voltage controller configured to apply a non-contact voltage to the charge output voltage pin if the charge contact terminal is connected while the non-contact power transmitter is contacted to the non-contact charge connection pin.

Claims

1. A non-contact-contact power charge device for use with a contact power receiver and a non-contact power transmitter, comprising:

a charge contact terminal including a charge output voltage pin, a ground pin, and a non- contact charge connection pin, the charge contact terminal being able to connect to the contact power receiver and the non-contact power transmitter; and

a voltage controller configured to apply a non-contact voltage to the charge output voltage pin when the charge contact terminal is connected while the non-contact power transmitter is contacted to the non-contact charge connection pin,

wherein the voltage controller is configured to control that a contact voltage is applied to the contact output voltage pin when the contact power receiver is contacted to the charge contact terminal without contacting the non-contact charge connecting pin

wherein the voltage controller comprises;

a variable resistor configured to apply a selected one of the contact voltage and the non- contact voltage to the charge output voltage pin based on the contact of the non-contact charge connection pin; and

a regulator configured to operate the variable resistor when the non-contact-contact power transmitter is contacted to the non-contact-contact charge connection pin.

2. The device of claim 1, further comprising:

an indicator configured to show whether the contact voltage or the non-contact voltage is applied.

3. The device of claim 1, wherein:

the charge contact terminal includes a data pin for receiving a charge status information from the non-contact transmitter, the charge status information produced in the non-contact receiver, and

the voltage controller is configured to change the non-contact voltage based on the charge status information received via the data pin.

4. The device of claim 3, wherein the charge status information includes a full charge information, a voltage down information, and a voltage up information.

5. The device of claim 1, wherein the charge contact terminal a 5-pin input-output terminal, an 18-pin input-output terminal, a 20-pin input-output terminal, or a universal serial bus (USB) terminal.

6. A controlling method in a non-contact and contact power charge device, the controlling method comprising:

confirming, by using the non-contact and contact power charge device, whether the power receiver is a non-contact power transmitter or a contact power receiver, based on the contact of the non-contact charge connection pin;

applying, by using the non-contact and contact power charge device, a non-contact voltage to the charge output voltage pin when the power receiver is the non-contact power transmitter; and

applying, by using the non-contact and contact power charge device, a contact voltage to the charge output voltage pin when the power receiver is the contact power receiver

wherein the controlling method is implemented when a power receiver contacts a charge contact terminal including a charge output voltage pin, a ground pin, and a non-contact charge connection pin,

wherein the voltage controller is configured to control that a contact voltage is applied to the contact output voltage pin when the contact power receiver is contacted to the charge contact terminal without contacting the non-contact charge connecting pin,

wherein the voltage controller comprises;

a variable resistor configured to apply a selected one of the contact voltage and the non- contact voltage to the charge output voltage pin based on the contact of the non-contact charge connection pin; and

a regulator configured to operate the variable resistor when the non-contact-contact power transmitter is contacted to the non-contact-contact charge connection pin.

7. The controlling method of claim 6, further comprising the step of:

Showing, by using the non-contact and contact power charge device, whether the contact voltage or the non-contact voltage is applied via an indicator.

8. The controlling method of claim 6, wherein:

the charge contact terminal comprises a data pin for receiving a charge status information from the non-contact power receiver, and

the controlling method further comprises;

receiving, by using the non-contact and contact power charge device, a charge status information of the non-contact power receiver via the data pin; and

changing, by using the non-contact and contact power charge device, the non-contact or the contact based on the charge status information.

9. The controlling method of claim 8, wherein the charge status information includes a full charge information, a voltage down information, and a voltage up information.

10. The controlling method of claim 6, wherein the charge contact terminal is a 5-pin input-output terminal, an 18-pin input-output terminal, a 20-pin input-output terminal, or a universal serial bus (USB) terminal.

11. The controlling method of claim 6, wherein the applying the non-contact voltage to the charge output voltage pin when the power receiver is the non-contact power transmitter, and the applying the contact voltage to the charge output voltage pin when the power receiver is the contact power receiver comprises:

changing, by using the non-contact and contact power charge device, the voltage applied to the charge output voltage pin via a variable resistor.

12. A wireless power charging system, comprising:

a contact power receiver configured to receive an external power source via a wire;

a non-contact power transmitter configured to apply a power to a non-contact power receiver using an electro-magnetic method; and

a non-contact-contact power charge device, comprising;

a charge contact terminal including a charge output voltage pin, a ground pin, and a non-contact charge connection pin, the charge contact terminal being connectable to the contact power receiver and a non-contact power transmitter; and

a voltage controller configured to apply a non-contact voltage to the charge output voltage pin when the charge contact terminal is connected while the non-contact power transmitter is contacted to the non-contact charge connection pin,

wherein the voltage controller is configured to control that a contact voltage is applied to the contact output voltage pin when the contact power receiver is contacted to the charge contact terminal without contacting the non-contact charge connecting pin

wherein the voltage controller comprises;

a variable resistor configured to apply a selected one of the contact voltage and the non- contact voltage to the charge output voltage pin based on the contact of the non-contact charge connection pin; and

a regulator configured to operate the variable resistor when the non-contact-contact power transmitter is contacted to the non-contact-contact charge connection pin.

13. The system of claim 12, further comprising:

an indicator configured to show whether the contact voltage or the non-contact voltage is applied.

14. The system of claim 12, wherein:

the charge contact terminal includes a data pin for receiving a charge status information from the non-contact transmitter, the charge status information produced in the non-contact receiver, and

the voltage controller is configured to change the non-contact voltage based on the charge status information received via the data pin.

15. The system of claim 14, wherein the charge status information includes a full charge information, a voltage down information, and a voltage up information.

16. The system of claim 12, wherein the charge contact terminal is a 5-pin input-output terminal, an 18-pin input-output terminal, a 20-pin input-output terminal, or a universal serial bus (USB) terminal.