Electronic Device, Wireless Power Supply System Thereof and Wireless Power Supply Method Thereof

• US 20130140900A1
• Filed: 12/23/2010
• Published: 06/06/2013
• Est. Priority Date: 06/24/2010
• Status: Abandoned Application

• Current Assignee: Qingdao Haier Electronics Company Limited (Haier Group Company)
• Original Assignee: Haier Group Corporation (Haier Group Company), Qingdao Haier Electronics Company Limited (Haier Group Company)
• Inventors: Yu, Zida, Liu, Chao, Bai, Bing, Xu, Yilong
• Application Number:
  US13/700,887
• Publication Number:
  US 20130140900A1
• Time in Patent Office: Days
• US Class Current: 307/66
• CPC Class Codes: H02J 50/12 of the resonant type
• 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 9/061 for DC powered loads
• CPC Class Codes: H04N 5/63 Generation or supply of power specially adapted for television receivers

Abstract

An electronic device (100), a wireless power supplying system (10) thereof and a wireless power supplying method thereof. The electronic device (100) includes an internal function circuit (30) and the wireless power supplying system (10). The wireless power supply system (10) includes a wireless electric power transmitter (11), a wireless electric power receiver (12) and a power supply detection unit (13). The wireless electric power transmitter (11) includes transmitter control module (111) and a transmitter power supplying module (112). The wireless electric power receiver (12) receives the electric power from the transmitter power supplying module (112). The power supply detection unit (13) includes an electric power detection module (131), a processor (132) and an alarm module (133). The electric power detection module (131) detects an operating voltage received from the wireless electric power receiver (12); and the processor (132) compares the operating voltage with a preset operating voltage range.

Claims

1. An electronic device comprising an internal function circuit, further comprising a wireless power supplying system including:

a wireless electric power transmitter, which includes a transmitter control module and a transmitter power supplying module containing a transmitting coupling coil, the transmitter control module and the transmitter power supplying module being electrically coupled;

a wireless electric power receiver, which receives electric power from the transmitter power supplying module wirelessly; and

a power supply detection unit, which includes an electric power detection module, a processor and an alarm module electrically coupled in succession, wherein the electric power detection module is adapted to detect an electric power parameter of the wireless electric power receiver, and if the processor determines that the electric power parameter is beyond a preset range thereof, the processor generates and outputs an alarm signal to the alarm module.

2. The electronic device of claim 1, wherein the power supply detection unit further comprises a control adjusting module electrically coupled to the processor, and when the electric power parameter of the wireless electric power receiver is beyond the preset range, the processor further generates and outputs an adjusting signal to the control adjusting module, and the control adjusting module issues a control signal to the transmitter control module according to the adjusting signal, to cause the transmitter control module to control the transmitter power supplying module to adjust the supplied electric power automatically.

3. The electronic device of claim 2, wherein the transmitter control module controls the transmitter power supplying module to adjust the supplied electric power automatically, in a manner that a resonance frequency of the transmitting coupling coil of the transmitter power supplying module is adjusted by adjusting an input current of the transmitter control module.

4. The electronic device of claim 2, wherein the transmitter control module controls the transmitter power supplying module to adjust the supplied electric power automatically, in a manner that a resonance amplitude of the transmitter power supplying module is adjusted by adjusting an input voltage of the transmitter control module.

5. The electronic device of claim 2, wherein the alarm module displays a prompt message or makes a prompt sound when the transmitter power supplying module adjusts the supplied electric power automatically.

6. The electronic device of claim 1, wherein the alarm module includes a display unit, a voice unit, or both of the display unit and the voice unit.

7. The electronic device of claim 6, wherein the voice unit of the alarm module includes a buzzer.

8. The electronic device of claim 1, wherein the electronic device further includes a standby power supply electrically coupled to the internal function circuit and the processor, and when the electric power parameter of the wireless electric power receiver is beyond the preset range, the processor further generates and outputs an electric power switching signal to the transmitter control module and the standby power supply, to instruct the transmitter control module to turn off the transmitter power supplying module and connect the electronic device to the standby power supply.

9. The electronic device of claim 6, wherein the standby power supply is an internal storage battery of the electronic device, or an AC input circuit for the utility power supply input.

10. A wireless power supplying system, comprising:

a wireless electric power transmitter, which includes a transmitter control module and a transmitter power supplying module electrically coupled;

a wireless electric power receiver, which is adapted to receive the electric power from the transmitter power supplying module wirelessly; and

a power supply detection unit, which includes an electric power detection module, a processor and an alarm module electrically coupled in succession, wherein the processor is electrically coupled to an internal function circuit, the electric power detection module detects an operating voltage received from the wireless electric power receiver, and the processor compares the operating voltage with a built-in preset range of operating voltage, and outputs the operating voltage to the internal function circuit when the operating voltage is within the preset range of operating voltage, or generates and outputs an alarm signal to an alarm module when the operating voltage output from the wireless electric power receiver is beyond the preset range of operating voltage.

11. The wireless power supplying system of claim 10, wherein the power supply detection unit further comprises a control adjusting module electrically coupled to the processor, the processor further generates and outputs an adjusting signal to the control adjusting module when the operating voltage output from the wireless electric power receiver is beyond the preset range of operating voltage, and the control adjusting module issues a control signal to the transmitter control module according to the adjusting signal, to cause the transmitter control module to control the transmitter power supplying module to adjust the supplied electric power automatically.

12. A wireless power supplying method comprising steps of:

generating wireless electric power through the induction between a wireless electric power receiver and a wireless electric power transmitter;

detecting, by a power supply detection unit, an electric power parameter of the wireless electric power receiver; and

comparing the electric power parameter with a built-in preset range thereof, wherein,

when the electric power parameter is within the preset range, the wireless electric power of the wireless electric power receiver is output to an internal circuit of an electronic device as an operating voltage, and wherein,

when the electric power parameter of the wireless electric power receiver is beyond the preset range, an alarm signal is generated and output to an alarm module.

13. The wireless power supplying method of claim 12, wherein when the electric power parameter of the wireless electric power receiver is beyond the preset range, the wireless power supplying method further comprises:

generating and outputting an adjusting signal to a control adjusting module, and the control adjusting module issuing a control signal to a transmitter control module according to the adjusting signal, to cause the transmitter control module to control the transmitter power supplying module to adjust the supplied electric power automatically.