WO2021143339A1 - Dispositif de charge sans fil et procédé de commande de charge sans fil - Google Patents

Dispositif de charge sans fil et procédé de commande de charge sans fil Download PDF

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Publication number
WO2021143339A1
WO2021143339A1 PCT/CN2020/129448 CN2020129448W WO2021143339A1 WO 2021143339 A1 WO2021143339 A1 WO 2021143339A1 CN 2020129448 W CN2020129448 W CN 2020129448W WO 2021143339 A1 WO2021143339 A1 WO 2021143339A1
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WIPO (PCT)
Prior art keywords
module
wireless charging
sub
charged
control signal
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PCT/CN2020/129448
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English (en)
Chinese (zh)
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姜红军
张毅
戴华奇
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深圳市一讯达科技有限公司
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Publication of WO2021143339A1 publication Critical patent/WO2021143339A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction

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  • the present invention relates to the technical field of wireless charging, in particular to a wireless charging device and a wireless charging control method.
  • the effective charging area of the wireless transmitting end of the wireless charging device is very limited, and the size of the mobile phone waiting to be charged is not uniform and the corresponding induction coil setting position is also different, while the wireless charging device of the prior art Usually double coils or multiple coils are used to increase the effective charging area, or by artificially adjusting the placement position of the device to be charged, so that the transmitting coil of the wireless charging device and the receiving coil of the device to be charged are aligned with each other. Realize wireless charging operation. It can be seen that since the position of the transmitting coil of the existing wireless charging device is fixed, it cannot automatically adjust the position of the transmitting coil according to different types of equipment to be charged, and there are generally charging blind spots in double coils or multiple coils.
  • the existing wireless charging device manually adjusts the position of the transmitting coil, which makes the wireless induction interaction between the wireless charging device and the device to be charged poor.
  • the present invention provides a wireless charging device and a wireless charging control method.
  • the wireless charging device and the wireless charging control method acquire at least one of the placement position information, the charging status information, and the quantity information of the equipment to be charged.
  • the device to be charged can be various devices that need to be charged, such as mobile phones, tablets, laptops, smart wearable devices, smart toys, electronic cigarettes, mobile power supplies, water heaters, sweeping robots, speaker devices, and electric toothbrushes. , Mouse, electric kettle, wireless kitchen appliances, earphones, drones, e-books, electric cars, remote controls or smart glasses, etc.
  • the present invention provides a wireless charging device, which is characterized in:
  • the wireless charging device includes a charging object detection module, a control module, an action module, and a wireless charging electromagnetic conversion module; wherein,
  • the charging object detection module is used to obtain at least one of the placement position information, the charging status information, and the quantity information of the equipment to be charged;
  • the control module is configured to generate a control signal according to at least one of the placement position information, the charging state information, and the quantity information;
  • the action module is configured to adjust the position of the wireless charging electromagnetic conversion module along the guide rail according to the control signal
  • the wireless charging electromagnetic conversion module is configured to perform a wireless charging operation on the device to be charged after completing the position adjustment
  • the charging object detection module includes at least one of a device position determination sub-module, a charging state determination sub-module, and a device quantity determination sub-module; wherein,
  • the device location determination sub-module is used to determine the placement location information corresponding to the device to be charged according to the electrical state and/or physical state of the device to be charged;
  • the charging state determining submodule is used to determine the charging state information corresponding to the device to be charged according to the electrical state of the device to be charged;
  • the device quantity determining sub-module is used to determine the quantity information of all the devices to be charged according to the electrical state and/or physical state of the devices to be charged;
  • the device position determining sub-module includes at least one of an electromagnetic mutual induction unit, a near field communication induction unit, an infrared induction unit, an ultrasonic induction unit, a radar induction unit, a gravity induction unit, an image induction unit, and a light induction unit;
  • the charge state determination sub-module includes at least one of an electromagnetic mutual induction unit, a current induction unit, and a voltage induction unit;
  • the device quantity determining sub-module includes at least one of an electromagnetic mutual induction unit, an infrared induction unit, an ultrasonic induction unit, a radar induction unit, a gravity induction unit, an image induction unit, and a light induction unit;
  • control module includes a state judgment sub-module and a control signal generation sub-module; wherein,
  • the state judgment sub-module is used to analyze and process at least one of the placement position information and the charging state information of the device to be charged, so as to determine the motion action parameters and/or corresponding to the wireless charging electromagnetic conversion module Or charging action parameters;
  • the control signal generation sub-module is configured to generate the control signal related to the movement action and/or the charging action of the wireless charging electromagnetic conversion module according to the movement action parameter and/or the charging action parameter;
  • control module further includes a control signal sending sub-module
  • the state judgment submodule is further configured to determine whether the device to be charged is in a normal charging state or a non-charging state according to the charging state information;
  • control signal sending sub-module If it is determined that the device to be charged is in a normal charging state, instruct the control signal sending sub-module to stop sending the control signal to the action module or send a stop signal to the action module;
  • the action module includes a housing sub-module, a control signal analysis sub-module, a motor sub-module, and a guide rail sub-module; wherein,
  • the housing sub-module is used for accommodating the control signal analysis sub-module, the motor sub-module, and the guide rail sub-module;
  • the control signal analysis sub-module is used to analyze and process the control signal to generate a corresponding motor operation signal
  • the motor sub-module is mechanically connected to the wireless charging electromagnetic conversion module to output driving force to the wireless charging electromagnetic conversion module;
  • the guide rail sub-module is used to carry the wireless charging electromagnetic conversion module, so that the wireless charging electromagnetic conversion module moves along the corresponding guide rail under the action of the driving force, so as to realize the position adjustment;
  • the action module includes a housing sub-module, a control signal analysis sub-module, a motor sub-module, and a rail sub-module; wherein,
  • the housing sub-module is used for accommodating the control signal analysis sub-module, the motor sub-module, and the guide rail sub-module;
  • the control signal analysis sub-module is used to analyze and process the control signal to generate a corresponding motor operation signal
  • the motor sub-module is fixedly connected to the housing sub-module, and the guide rail sub-module is used to carry the wireless charging electromagnetic conversion module and is engaged and connected with the motor sub-module.
  • the driving force of the motor sub-module is Move along the corresponding guide rail under the action to realize the position adjustment;
  • the housing sub-module includes a base unit and a cover unit; wherein,
  • the base unit includes a bottom plate and a side wall arranged in a circumferentially closed shape around the outer periphery of the bottom plate;
  • the cover unit is used to cover the opening formed on the side wall of the base unit to form an accommodating space together with the base unit;
  • the motor sub-module includes an operation signal receiving unit and at least one motor unit; wherein,
  • the operation signal receiving unit is used to transmit the motor operation signal to the at least one motor unit;
  • Each of the at least one motor unit includes a motor and a corresponding transmission member;
  • the motor has an output shaft mechanically connected to the transmission member, and is used to output a driving force in a predetermined direction to the corresponding transmission member;
  • the guide rail sub-module includes a guide rail and at least one limit sensing block; wherein,
  • the guide rail is arranged at the bottom of the housing submodule in a non-closed ring shape and/or in a closed ring shape, and is engaged with the wireless charging electromagnetic conversion module;
  • the at least one limit induction block is arranged at the end of the travel direction of the guide rail and/or at the turning position, so as to limit the movement of the wireless charging electromagnetic conversion module along the guide rail;
  • control module further includes a working temperature detection sub-module and a wireless charging mode adjustment sub-module;
  • the working temperature detection sub-module is used to detect the working temperature value corresponding to the wireless charging electromagnetic conversion module during the wireless charging operation
  • the wireless output power adjustment sub-module is configured to adjust the output power corresponding to the wireless charging operation performed by the wireless charging electromagnetic conversion module according to the operating temperature value;
  • control module further includes an alarm sub-module
  • the wireless charging device If after the action module drives the wireless charging electromagnetic conversion module to complete a predetermined stroke or position adjustment of a predetermined design path, the wireless charging device still cannot perform a normal wireless charging operation on the device to be charged, then the alarm submodule Signal abnormal work;
  • control module further includes a calculation sub-module
  • the calculation sub-module continues to send the control signal so that the wireless charging electromagnetic conversion module continues to travel a predetermined distance along the guide rail ;
  • control module further includes a monitoring sub-module
  • the monitoring sub-module is used to monitor the output power information of the wireless charging electromagnetic conversion module during the travel along the guide rail, and determine that it has the maximum output power value during the travel along the guide rail corresponding to the position of the guide rail ;
  • the control module is also used to control the wireless charging electromagnetic conversion module to stay at a position corresponding to the guide rail with the maximum output power value;
  • the wireless charging device further includes a temperature management module, and the temperature management module is configured to perform one of the following temperature control on the wireless charging device: cooling processing, heat dissipation processing, or controlling the temperature at a preset value;
  • the wireless charging device further includes an additional function module
  • the additional function module includes at least one of an electronic clock, a light emitter, a lighting lamp, a speaker, and a digital display;
  • the wireless charging device further includes an identity recognition module, and the identity recognition module is used to identify the ID identity of the device to be charged;
  • the wireless charging device further includes a communication module configured to communicate with the device to be charged according to the monitored charging status and/or ID identity of the device to be charged;
  • the wireless charging device can also display the charging status of one or more of the devices to be charged after the identity recognition module performs identity recognition and communication with the device to be charged, and output the charging status to the corresponding On the first device of, the first device prioritizes allocation and/or settings according to their respective IDs;
  • the wireless charging device first outputs corresponding reminder information to the first device before outputting the charging status to the corresponding first device;
  • the wireless charging device will perform power distribution processing according to the characteristics of the devices to be charged or the power of the devices to be charged, so as to give priority to power supply to the designated devices to be charged.
  • the wireless charging device will control the charging duration of the device to be charged according to its ID.
  • the present invention also provides a wireless charging control method, characterized in that the wireless charging control method includes the following steps:
  • Step S1 acquiring at least one of the placement location information, the charging status information, and the quantity information of the equipment to be charged, so as to send a predetermined control signal;
  • Step S2 adjusting the position of the wireless charging electromagnetic conversion module through the action module according to the control signal until the device to be charged is normally charged or the position of the wireless charging electromagnetic conversion module cannot be adjusted;
  • step S1 acquiring at least one of the placement position information, the charging status information, and the quantity information of the device to be charged to send a predetermined control signal specifically includes:
  • Step S101 Determine the placement location information corresponding to the device to be charged according to the electrical state and/or physical state of the device to be charged;
  • Step S102 Determine the charging state information corresponding to the device to be charged according to the electrical state of the device to be charged;
  • Step S103 Determine the quantity information of all devices to be charged according to the electrical state and/or physical state of the devices to be charged;
  • Step S104 according to at least one of the placement position information, the charging state information, and the quantity information, determine the movement action parameter and/or the charging action parameter corresponding to the wireless charging electromagnetic conversion module, and issue a predetermined control Signal;
  • Step S105 according to the control signal, the wireless charging electromagnetic conversion module is driven by the action module to make a corresponding movement action and/or charging action;
  • the wireless charging electromagnetic conversion module is subjected to position adjustment processing through the action module, until the device to be charged is normally charged or the position of the wireless charging electromagnetic conversion module cannot be adjusted.
  • Step S201 Adjust the position of the wireless charging electromagnetic conversion module relative to the device to be charged according to the control signal
  • Step S202 if the control signal is in the stop sending state, stop the position adjustment of the wireless charging electromagnetic conversion module;
  • step S203 if the wireless charging electromagnetic conversion module is at and/or has passed the adjustment limit position twice consecutively, stop performing the position adjustment on the wireless charging electromagnetic conversion module.
  • the wireless charging device and the wireless charging control method obtain at least one of the placement position information, the charging state information, and the quantity information of the equipment to be charged, and according to the placement position information, the charging state information, and At least one of the quantity information generates a control signal, and then adjusts the position of the wireless charging electromagnetic conversion module according to the control signal, and finally performs a wireless charging operation on the device to be charged; it can be seen that the wireless charging device and the wireless charging control The method can intelligently identify the real-time placement position of each device to be charged, so as to accurately and quickly realize the effective alignment of the transmitting coil of the wireless charging device and the receiving coil of the device to be charged, so as to improve the operation convenience and charging of the wireless charging device. Reliability and improve user experience.
  • Fig. 1 is a structural block diagram of a wireless charging device provided by the present invention.
  • FIG. 2 is a device structure diagram of a wireless charging device provided by the present invention.
  • FIG. 3 is a schematic flowchart of a wireless charging control method provided by the present invention.
  • FIGS. 1-2 are a schematic structural diagram and a device structural diagram of a wireless charging device provided by an embodiment of the present invention.
  • the wireless charging device includes a charging object detection module, a control module, an action module, and a wireless charging electromagnetic conversion module; wherein,
  • the charging object detection module is used to obtain at least one of the placement position information, the charging state information, and the quantity information of the device to be charged;
  • the control module is configured to generate a control signal according to at least one of the placement position information, the charging state information, and the quantity information;
  • the action module is used to adjust the position of the wireless charging electromagnetic conversion module along the guide rail according to the control signal
  • the wireless charging electromagnetic conversion module is used to perform a wireless charging operation on the device to be charged after the position adjustment is completed.
  • the charging object detection module includes at least one of a device position determination submodule, a charging state determination submodule, and a device quantity determination submodule; wherein,
  • the device location determination submodule is used to determine the placement location information corresponding to the device to be charged according to the electrical state and/or physical state of the device to be charged;
  • the charging state determining submodule is used to determine the charging state information corresponding to the device to be charged according to the electrical state of the device to be charged;
  • the device quantity determining submodule is used to determine the quantity information of all the devices to be charged according to the electrical state and/or physical state of the devices to be charged.
  • the device position determination sub-module includes at least one of an electromagnetic mutual induction unit, a near field communication induction unit, an infrared induction unit, an ultrasonic induction unit, a radar induction unit, a gravity induction unit, an image induction unit, and a light induction unit.
  • the charge state determination sub-module includes at least one of an electromagnetic mutual induction unit, a current induction unit, and a voltage induction unit.
  • the device quantity determining sub-module includes at least one of an electromagnetic mutual induction unit, an infrared induction unit, an ultrasonic induction unit, a radar induction unit, a gravity induction unit, an image induction unit, and a light induction unit.
  • control module includes a state judgment sub-module and a control signal generation sub-module; wherein,
  • the state judging submodule is used to analyze and process at least one of the placement position information and the charging state information of the device to be charged, so as to determine the movement action parameter and/or the charging action parameter corresponding to the wireless charging electromagnetic conversion module ;
  • the control signal generation sub-module is used to generate the control signal related to the movement action and/or the charging action of the wireless charging electromagnetic conversion module according to the movement action parameter and/or the charging action parameter.
  • control module further includes a control signal sending sub-module
  • the state judgment sub-module is also used to determine whether the device to be charged is in a normal charging state or a non-charging state according to the charging state information;
  • control signal sending submodule If it is determined that the device to be charged is in a normal charging state, instruct the control signal sending submodule to stop sending the control signal to the action module or send a stop signal to the action module;
  • control signal sending sub-module is instructed to re-send the control signal to the action module.
  • the action module includes a housing sub-module, a control signal analysis sub-module, a motor sub-module and a rail sub-module; wherein,
  • the housing sub-module is used for accommodating the control signal analysis sub-module, the motor sub-module and the guide rail sub-module;
  • the control signal analysis sub-module is used to analyze and process the control signal to generate a corresponding motor operation signal
  • the motor sub-module is mechanically connected to the wireless charging electromagnetic conversion module to output driving force to the wireless charging electromagnetic conversion module;
  • the guide rail sub-module is used to carry the wireless charging electromagnetic conversion module, so that the wireless charging electromagnetic conversion module moves along the corresponding guide rail under the action of the driving force, so as to realize the position adjustment.
  • the action module includes a housing sub-module, a control signal analysis sub-module, a motor sub-module and a rail sub-module; wherein,
  • the housing sub-module is used for accommodating the control signal analysis sub-module, the motor sub-module and the guide rail sub-module;
  • the control signal analysis sub-module is used to analyze and process the control signal to generate a corresponding motor operation signal
  • the motor sub-module is fixedly connected to the housing sub-module, and the rail sub-module is used to carry the wireless charging electromagnetic conversion module, and is meshed and connected with the motor sub-module, and moves along the corresponding rail under the driving force of the motor sub-module. Movement to achieve this position adjustment.
  • the housing sub-module includes a base unit and a cover unit; wherein,
  • the base unit includes a bottom plate and a side wall arranged in a circumferentially closed shape around the outer periphery of the bottom plate;
  • the cover unit is used to cover the opening formed on the side wall of the base unit to form an accommodating space together with the base unit.
  • the motor sub-module includes an operation signal receiving unit and at least one motor unit; wherein,
  • the operation signal receiving unit is used to respectively transmit the motor operation signal to the at least one motor unit;
  • Each of the at least one motor unit includes a motor and a corresponding transmission member;
  • the motor has an output shaft mechanically connected with the transmission member, and is used for outputting a driving force in a predetermined direction to the corresponding transmission member.
  • the guide rail sub-module includes a guide rail and at least one limit sensing block; wherein,
  • the guide rail is arranged in a non-closed ring and/or in a closed ring at the bottom of the housing sub-module, and is engaged with the wireless charging electromagnetic conversion module;
  • the at least one limit sensing block is arranged at the end of the traveling direction of the guide rail and/or at the turning position, so as to limit the movement of the wireless charging electromagnetic conversion module along the guide rail.
  • control module further includes a working temperature detection sub-module and a wireless charging mode adjustment sub-module;
  • the working temperature detection sub-module is used to detect the working temperature value corresponding to the wireless charging electromagnetic conversion module during the wireless charging operation
  • the wireless output power adjustment sub-module is used to adjust the output power corresponding to the wireless charging operation performed by the wireless charging electromagnetic conversion module according to the operating temperature value.
  • control module further includes an alarm sub-module
  • the action module drives the wireless charging electromagnetic conversion module to complete a predetermined stroke or position adjustment of a predetermined design path, and the wireless charging device still cannot perform a normal wireless charging operation on the device to be charged, the alarm sub-module sends an abnormal working signal.
  • control module further includes a calculation sub-module
  • the calculation sub-module continues to send the control signal so that the wireless charging electromagnetic conversion module continues to travel a predetermined distance along the guide rail.
  • control module further includes a monitoring sub-module
  • the monitoring sub-module is used to monitor the output power information of the wireless charging electromagnetic conversion module during the travel along the guide rail, and determine that it has the maximum output power value during the travel along the guide rail corresponding to the position of the guide rail;
  • the control module is also used to control the wireless charging electromagnetic conversion module to stay at a position corresponding to the guide rail with the maximum output power value.
  • the wireless charging device further includes a temperature management module configured to perform one of the following temperature control on the wireless charging device: cooling processing, heat dissipation processing, or controlling the temperature at a preset value.
  • a temperature management module configured to perform one of the following temperature control on the wireless charging device: cooling processing, heat dissipation processing, or controlling the temperature at a preset value.
  • the wireless charging device further includes an additional function module
  • the additional function module includes at least one of an electronic clock, a light emitter, a lighting lamp, a speaker, and a digital display.
  • the wireless charging device further includes an identity recognition module for recognizing the ID identity of the device to be charged.
  • the wireless charging device further includes a communication module configured to communicate with the device to be charged according to the monitored charging status and/or ID identity of the device to be charged.
  • the wireless charging device can also display the charging state of one or more of the devices to be charged after the identity recognition module performs identity recognition and communication with the device to be charged, and output the charging state to the corresponding first On the device, the first device is prioritized and/or set according to the respective ID.
  • the wireless charging device first outputs the corresponding reminder information to the first device before outputting the charging status to the corresponding first device.
  • the wireless charging device will perform power distribution processing according to the characteristics of the devices to be charged or the power of the devices to be charged, so as to give priority to the power supply to the designated devices to be charged. equipment.
  • the wireless charging device controls the charging duration of the device to be charged according to its ID.
  • FIG. 3 is a schematic flowchart of a wireless charging control method provided by the present invention.
  • the wireless charging control method includes the following steps:
  • Step S1 acquiring at least one of the placement location information, the charging status information, and the quantity information of the equipment to be charged, so as to send a predetermined control signal;
  • Step S2 Adjust the position of the wireless charging electromagnetic conversion module through the action module according to the control signal until the device to be charged is normally charged or the position of the wireless charging electromagnetic conversion module cannot be adjusted.
  • acquiring at least one of the placement position information, the charging status information and the quantity information of the device to be charged to send a predetermined control signal specifically includes:
  • Step S101 Determine the placement location information corresponding to the device to be charged according to the electrical state and/or physical state of the device to be charged;
  • Step S102 Determine the charging state information corresponding to the device to be charged according to the electrical state of the device to be charged;
  • Step S103 Determine the quantity information of all the devices to be charged according to the electrical state and/or physical state of the devices to be charged;
  • Step S104 according to at least one of the placement position information, the charging state information, and the quantity information, determine the movement action parameter and/or the charging action parameter corresponding to the wireless charging electromagnetic conversion module, and send a predetermined control signal;
  • Step S105 according to the control signal, the wireless charging electromagnetic conversion module is driven by the action module to make a corresponding movement action and/or charging action.
  • the position adjustment process of the wireless charging electromagnetic conversion module is performed by the action module until the device to be charged is normally charged or the position of the wireless charging electromagnetic conversion module cannot be adjusted.
  • Step S201 Adjust the position of the wireless charging electromagnetic conversion module relative to the device to be charged according to the control signal
  • Step S202 if the control signal is in the stop sending state, stop performing the position adjustment on the wireless charging electromagnetic conversion module;
  • Step S203 If the wireless charging electromagnetic conversion module is at and/or has passed the adjustment limit position twice consecutively, stop performing the position adjustment on the wireless charging electromagnetic conversion module.
  • the wireless charging device and the wireless charging control method acquire at least one of the placement position information, charging state information, and quantity information of the equipment to be charged, and according to the placement position information and the charging state information Generate a control signal with at least one of the quantity information, and then adjust the position of the wireless charging electromagnetic conversion module according to the control signal, and finally perform a wireless charging operation on the device to be charged; it can be seen that the wireless charging device and the wireless charging The control method can intelligently identify the real-time placement position of each device to be charged, so as to accurately and quickly realize the effective alignment of the transmitting coil of the wireless charging device and the receiving coil of the device to be charged, so as to improve the operation convenience of the wireless charging device, Charging reliability and improving user experience.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un dispositif de charge sans fil et un procédé de commande de charge sans fil. Selon le dispositif de charge sans fil et le procédé de commande de charge sans fil, au moins des informations de position de placement et/ou des informations d'état de charge et/ou des informations de quantité de dispositifs à charger sont obtenues, un signal de commande est généré en fonction des informations de position de placement et/ou des informations d'état de charge et/ou des informations de quantité, puis la position d'un module de conversion électromagnétique de charge sans fil est ajustée en fonction du signal de commande, et enfin une opération de charge sans fil est effectuée sur les dispositifs à charger. Ainsi, au moyen du dispositif de charge sans fil et du procédé de commande de charge sans fil, la position de placement en temps réel de chaque dispositif à charger peut être identifiée de manière intelligente, de telle sorte qu'un alignement efficace entre une bobine d'émission du dispositif de charge sans fil et une bobine de réception du dispositif à charger peut être mis en œuvre avec précision et rapidité, ce qui permet d'améliorer la commodité de fonctionnement et la fiabilité de charge du dispositif de charge sans fil et d'améliorer l'expérience de l'utilisateur.
PCT/CN2020/129448 2020-01-17 2020-11-17 Dispositif de charge sans fil et procédé de commande de charge sans fil WO2021143339A1 (fr)

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CN111082499A (zh) * 2020-01-17 2020-04-28 深圳市一讯达科技有限公司 一种无线充电装置及无线充电控制方法
CN211377643U (zh) * 2020-01-17 2020-08-28 深圳市一讯达科技有限公司 一种无线充电装置
CN112886723B (zh) * 2021-01-25 2023-06-23 晋城市龙鑫达光电科技有限公司 一种充电自动定位的无线充电器及实现方法
CN114336987A (zh) * 2021-12-16 2022-04-12 珠海格力电器股份有限公司 自动调节无线充电匹配度的方法、装置和无线充电设备

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