WIRELESS CHARGER AND WIRELESS CHARGING METHOD
First Claim
1. A wireless charger, comprising:
- a wireless charging transmitter, comprising;
a transmission antenna;
a driving circuit coupled to the transmission antenna, and configured to output a charging signal in a fast charging mode initially;
a transmission temperature sensor coupled to the transmission antenna, configured to detect a transmission temperature value of the transmission antenna; and
a controller coupled to the driving circuit and the transmission temperature sensor, the controller being configured to receive the transmission temperature value from the transmission temperature sensor,wherein the driving circuit is configured to output the charging signal in a fast charging mode initially, when the transmission temperature value is greater than an overheat value, the controller is configured to control the driving circuit to output in a slow charging mode, and a first output power in the fast charging mode is greater than a second output power in the slow charging mode.
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Accused Products
Abstract
A wireless charger includes a wireless charging transmitter. The wireless charging transmitter includes a transmission antenna, a driving circuit, a transmission temperature sensor, and a controller. The driving circuit can output a charging signal in a fast charging mode initially. The transmission temperature sensor can detect a transmission temperature value of the transmission antenna. The controller can receive the transmission temperature value from the transmission temperature sensor. The driving circuit is can output the charging signal in a fast charging mode initially. When the transmission temperature value is greater than an overheat value, the controller can control the driving circuit to output in a slow charging mode.
14 Citations
12 Claims
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1. A wireless charger, comprising:
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a wireless charging transmitter, comprising; a transmission antenna; a driving circuit coupled to the transmission antenna, and configured to output a charging signal in a fast charging mode initially; a transmission temperature sensor coupled to the transmission antenna, configured to detect a transmission temperature value of the transmission antenna; and a controller coupled to the driving circuit and the transmission temperature sensor, the controller being configured to receive the transmission temperature value from the transmission temperature sensor, wherein the driving circuit is configured to output the charging signal in a fast charging mode initially, when the transmission temperature value is greater than an overheat value, the controller is configured to control the driving circuit to output in a slow charging mode, and a first output power in the fast charging mode is greater than a second output power in the slow charging mode. - View Dependent Claims (2, 3, 4, 5)
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6. A wireless charger, comprising:
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a wireless charging receiver, comprising; a receiving antenna; a receiving temperature sensor coupled to the transmission antenna and configured to detect a temperature value of the receiving antenna; and a receiving communicating module configured to communicate with the transmission communication module, and a wireless charging transmitter, comprising; a transmission antenna; a driving circuit coupled to the transmission antenna, and configured to output a charging signal in a fast charging mode initially; and a controller coupled to the driving circuit, the controller being configured to receive the receiving temperature value from the receiving temperature sensor, wherein the driving circuit is configured to output the charging signal in a fast charging mode initially, when the receiving temperature value is greater than an overheat value, the controller is configured to control the driving circuit to output in a slow charging mode, and a first output power in the fast charging mode is greater than a second output power in the slow charging mode. - View Dependent Claims (7, 8, 9, 10)
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11. A method for wirelessly charging a remote device by a transmitting device, comprising:
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providing wirelessly from the transmitting device a charging power output at a first level; terminating the providing in response to either (a) a temperature of the transmitting device exceeds a first rated temperature threshold, or (b) receipt of a signal from the remote device representing that a temperature of the remote device exceeds a second rated temperature threshold; reducing the charging power output from the first level to a lower non-zero second power level, in response to (a) a temperature of the transmitting device is between a first overheat temperature threshold and the first rated temperature threshold, or (b) receipt of a signal from the remote device representing that a temperature of the remote device is between a second overheat temperature threshold and the second rated temperature threshold; and gradually increasing, after the reducing and in response to a temperature of the transmitting device being below the first overheat temperature threshold and a temperature of the remote device being below the second overheat temperature threshold, the charging power output from the second level to the first level. - View Dependent Claims (12)
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Specification