CN-122026581-A - Wireless charging module with power switching function and control method thereof

CN122026581ACN 122026581 ACN122026581 ACN 122026581ACN-122026581-A

Abstract

The invention relates to a wireless charging module with power switching and a control method thereof, wherein the wireless charging module comprises a charging seat and a wireless charging tray, the charging seat comprises a seat body and a first connector, the seat body is provided with a placement area, the first connector is exposed out of the placement area, the wireless charging tray is detachably arranged in the placement area and comprises a controller unit and a second connector, the controller unit is electrically connected with the second connector, the first connector is in butt joint with or separated from the second connector, when the controller unit detects that the first connector is separated from the second connector, the wireless charging tray is controlled to output first charging power, when the controller unit detects that the first connector is in butt joint with the second connector, the wireless charging tray is controlled to output second charging power, and the second charging power is larger than or equal to the first charging power.

Inventors

Zhuo Xinlin
Luo Rilong
LI JUNYE
PU ZHONGWEI

Assignees

台达电子工业股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250214
Priority Date: 20241106

Claims (10)

1. A wireless charging module with power switching for an external power source, wherein the wireless charging module comprises: A charging seat comprising a seat body, a fan and a first connector mounted on the seat body, wherein the seat body has a placement area corresponding to the placement area, the first connector is exposed from the placement area, and The wireless charging tray is detachably arranged in the placement area and comprises a tray body, a wireless charging coil and a controller unit which are arranged in the tray body, and a second connector and a third connector which are arranged outside the tray body, wherein the controller unit is electrically connected with the wireless charging coil, the second connector and the third connector, the first connector and the second connector can be in butt joint or separation, and the third connector and the external power supply can be in butt joint or separation; When the controller unit detects that the first connector is in butt joint with the second connector, the controller unit controls the wireless charging coil to output second charging power, and the second charging power is larger than or equal to the first charging power.
2. The wireless charging module with power switching according to claim 1, wherein the charging stand further comprises a cooling plate and a voltage reducing circuit, the fan, the cooling plate and the voltage reducing circuit are installed inside the stand body, the cooling plate is attached to the placement area, and the voltage reducing circuit is electrically connected with the fan and the cooling plate.
3. The wireless charging module with power switching according to claim 2, wherein the base is provided with a concave groove, the wireless charging tray is detachably embedded in the concave groove, and the placement area is formed on an inner bottom wall of the concave groove.
4. The wireless charging module with power switching function according to claim 3, wherein the base is a trapezoid base, a vertical inclined wall is arranged on one side of the outer periphery of the trapezoid base, an air vent is arranged at the bottom of the trapezoid base, the concave groove is formed in the outer side face of the vertical inclined wall, the charging base further comprises a heat radiation fin, the fan and the heat radiation fin are fixed on the inner side face of the vertical inclined wall, the heat radiation fin is thermally attached to the cooling fin and is arranged on the periphery of the fan in a surrounding mode, and the cooling fin is clamped among the vertical inclined wall, the fan and the heat radiation fin and is exposed in the placement area.
5. The wireless charging module with power switching according to claim 3, wherein the base is a rectangular base, the charging base further comprises a heat dissipation fin, the heat dissipation fin is mounted inside the base and thermally attached to the cooling plate, an air inlet and an air outlet are opposite to each other on the outer periphery of the rectangular base, the concave groove is formed in the top of the rectangular base, the heat dissipation fin is disposed between the air inlet and the air outlet, and the fan is disposed between the air inlet and the heat dissipation fin.
6. The wireless charging module with power switching of claim 3, wherein the recessed slot comprises a tray receptacle shaped to mate with the tray and a connector receptacle shaped to mate with the third connector.
7. A control method of a wireless charging module with power switching is applied to an external power supply, a charging seat comprising a placement area and a first connector and a wireless charging tray comprising a wireless charging coil, a controller unit and a second connector, wherein the first connector is exposed in the placement area, and comprises the following steps: step a) electrically connecting the wireless charging tray with the external power supply and detachably arranging the wireless charging tray in the placement area, and Step b) when the controller unit detects that the first connector is separated from the second connector, the wireless charging coil is controlled to output a first charging power, and when the controller unit detects that the first connector is in butt joint with the second connector, the wireless charging coil is controlled to output a second charging power, wherein the second charging power is larger than or equal to the first charging power.
8. The method of claim 7, further comprising a step c) of turning off the cooling plate and the fan when the controller unit detects that the mobile device is not placed on the wireless charging tray, and turning on the cooling plate and the fan when the controller unit detects that the mobile device is placed on the wireless charging tray.
9. The method of claim 8, wherein the charging stand further comprises a voltage step-down circuit, and in the step c), when the controller unit detects that the mobile device is placed on the wireless charging tray, the wireless charging tray provides a voltage to the voltage step-down circuit through the first connector and the second connector, and the voltage step-down circuit provides a reduced voltage to the cooling plate and the fan.
10. The method of claim 8, further comprising a step-down circuit and a processor unit, wherein in step c), when the controller unit detects that the mobile device is placed on the wireless charging tray, the controller unit sends a signal to the processor unit, the processor unit sends a signal to the automobile system again, the automobile system provides a voltage to the step-down circuit, and the step-down circuit provides a reduced voltage to the cooling fin and the fan.

Description

Wireless charging module with power switching function and control method thereof Technical Field The present invention relates to a wireless charger, and more particularly, to a wireless charging module with power switching and a control method thereof. Background The wireless charger is mainly used for carrying out wireless charging on various mobile phones such as iPhone, APPLE WATCH and the like and watches, and the wireless charger on the market is mainly divided into a wireless charging tray and a wireless charging seat, wherein the wireless charging tray can be conveniently carried, and the wireless charging seat can be rapidly charged so as to provide users with the option of purchasing according to the requirements of the users. However, the wireless charging tray has the disadvantages of being unable to actively dissipate heat, easily causing the product to have too high temperature, being unable to maintain the maximum power output, resulting in the longer charging time, and the wireless charging seat has the disadvantages of being large in size, not easy to carry, and the like. Therefore, how to create a wireless charger with the advantages of a wireless charging tray and a wireless charging stand, which improves the above-mentioned drawbacks, is an important development point for charger manufacturers. In view of the above, the present inventors have made intensive studies and have made an effort to solve the above-described problems in combination with the application of the theory, which is an object of the present inventors' development. Disclosure of Invention The invention provides a wireless charging module with power switching and a control method thereof, which utilize a wireless charging tray to be used independently or the wireless charging tray is matched with a charging seat to be used together, and the wireless charging coil 22 can output different charging powers so as to achieve the purpose of improving the use convenience of the wireless charging module. In an embodiment of the invention, a wireless charging module with power switching is provided, and the wireless charging module comprises a charging seat, a wireless charging coil and a controller unit, wherein the charging seat comprises a seat body, a fan and a first connector, the fan and the first connector are arranged on the seat body, the seat body is provided with a placement area, the fan is configured corresponding to the placement area, the first connector is exposed out of the placement area, the wireless charging coil is detachably arranged on the placement area, the wireless charging coil comprises a coil body, a wireless charging coil arranged inside the coil body, a controller unit, a second connector and a third connector, the controller unit is electrically connected with the wireless charging coil, the second connector and the third connector, the first connector can be connected with or separated from the second connector, and the third connector can be connected with or separated from the external power supply, when the controller unit detects that the first connector is separated from the second connector, the wireless charging coil is controlled to output a first controller unit, and when the controller unit detects that the first connector is separated from the second connector, the first controller unit is controlled to output a first controller unit, and the controller unit is connected with the first connector in a wireless charging coil in a wireless charging mode, and the first connector is connected with the first connector in a wireless charging mode, and the first controller is connected with the first connector in a wireless charging unit. In an embodiment of the present invention, a control method of a wireless charging module with power switching is provided, which is applied to an external power supply, a charging stand including a placement area and a first connector, and a wireless charging tray including a wireless charging coil, a controller unit and a second connector, wherein the first connector is exposed to the placement area, and includes a) electrically connecting the wireless charging tray with the external power supply and detachably disposed in the placement area; and b) when the controller unit detects that the first connector is separated from the second connector, the controller unit controls the wireless charging coil to output a first charging power, and when the controller unit detects that the first connector is in butt joint with the second connector, the controller unit controls the wireless charging coil to output a second charging power, wherein the second charging power is larger than or equal to the first charging power. Based on the above, the wireless charging module can automatically switch the charging power according to the operation requirements of the wireless charging tray and the wireless charging tray matched with the charging seat, and meanwhile, under the