WO2018103191A1 - Procédé et dispositif de charge sans fil - Google Patents

Procédé et dispositif de charge sans fil Download PDF

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Publication number
WO2018103191A1
WO2018103191A1 PCT/CN2017/072578 CN2017072578W WO2018103191A1 WO 2018103191 A1 WO2018103191 A1 WO 2018103191A1 CN 2017072578 W CN2017072578 W CN 2017072578W WO 2018103191 A1 WO2018103191 A1 WO 2018103191A1
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WO
WIPO (PCT)
Prior art keywords
terminal
electromagnetic coil
wireless charging
horizontal plane
information
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PCT/CN2017/072578
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English (en)
Chinese (zh)
Inventor
朱团
Original Assignee
宇龙计算机通信科技(深圳)有限公司
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Publication of WO2018103191A1 publication Critical patent/WO2018103191A1/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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling

Definitions

  • the present invention relates to the field of mobile terminal technologies, and in particular, to a wireless charging method and apparatus.
  • the user often forgets to carry the battery or the charger, so that the terminal device cannot be used, which affects the normal use of the terminal device, and brings great inconvenience to the user. For example, if the user is on the way out, if the mobile phone is low, the mobile phone calling function cannot be used, and the environment is such that the user cannot use the charger to charge the mobile phone; or the user forgets to carry the charger or the backup battery, so that the user cannot be charged in time. Can't continue to use. At the same time, the existing charging method by the charger needs to be frequently inserted and removed, which is easy to cause damage to the connector and is easy to get an electric shock.
  • Wireless charging technology refers to a method of providing power to electronic devices through wireless means instead of the traditional connection of wires.
  • Wireless charging is a new technology with broad development prospects.
  • two components are required: one is a base with a transmitting function (such as a transmitting board), and the other is an electronic device with a receiving function (such as a mobile phone with a receiving function, an MP3, etc.), wherein
  • the base with a transmitting function includes a primary coil, and the primary coil is in a transmitting state by an alternating current power supply, and a secondary coil is disposed in the electronic device with a receiving function, and the secondary coil is electromagnetically coupled with the primary coil in a transmitting state. Get electricity.
  • Embodiments of the present invention provide a wireless charging method and device, which can implement wireless charging between a terminal and a terminal, improve wireless charging efficiency, save charging time, and improve energy utilization.
  • an embodiment of the present invention provides a wireless charging method, including:
  • the first terminal detects that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquiring the second electromagnetic coil that is sent by the second terminal and located at the second terminal Position information of the center of the circle and angle information of the second electromagnetic coil and the horizontal plane;
  • the first electromagnetic coil charges the second electromagnetic coil.
  • an embodiment of the present invention provides a wireless charging apparatus, including:
  • an acquiring unit configured to: when detecting that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquiring, by the second terminal, the second terminal that is sent by the second terminal Position information of a center of the electromagnetic coil and angle information of the second electromagnetic coil and a horizontal plane;
  • a determining unit configured to determine location information of the wireless charging transmission path based on position information of a center of the first electromagnetic coil of the infinite charging device and position information of a center of the second electromagnetic coil, and to perform the wireless charging And transmitting the location information of the transmission path to the second terminal, where the location information of the wireless charging transmission path is used by the second terminal to determine the target of the second electromagnetic coil and the horizontal plane based on the location information of the wireless charging transmission path.
  • Angle information configured to determine location information of the wireless charging transmission path based on position information of a center of the first electromagnetic coil of the infinite charging device and position information of a center of the second electromagnetic coil, and to perform the wireless charging And transmitting the location information of the transmission path to the second terminal, where the location information of the wireless charging transmission path is used by the second terminal to determine the target of the second electromagnetic coil and the horizontal plane based on the location information of the wireless charging transmission path.
  • the determining unit is further configured to determine target angle information of the first electromagnetic coil and a horizontal plane based on position information of the wireless charging transmission path and position information of a center of the first electromagnetic coil;
  • Adjusting a charging unit configured to adjust a current angle of the first electromagnetic coil and a horizontal plane when detecting that the current angle information of the first electromagnetic coil and the horizontal plane does not match the target angle information of the first electromagnetic coil and the horizontal plane Information and charging the second electromagnetic coil based on the adjusted first electromagnetic coil.
  • an embodiment of the present invention provides a wireless charging apparatus, including:
  • processor a processor, a memory, a communication interface, and a communication bus, wherein the processor, the memory, and the communication interface are connected by the communication bus and complete communication with each other;
  • the memory stores executable program code for wireless communication
  • the processor is configured to invoke the executable program code in the memory to perform some or all of the steps described in any of the methods of the first aspect of the embodiments of the present invention.
  • the first terminal detects that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquires the location that is sent by the second terminal.
  • Position information of a center of the second electromagnetic coil of the second terminal and angle information of the second electromagnetic coil and the horizontal plane, and based on position information of a center of the first electromagnetic coil of the first terminal and position information of a center of the second electromagnetic coil Determining the location information of the wireless charging transmission path, and transmitting the location information of the wireless charging transmission path to the second terminal, where the location information of the wireless charging transmission path is used by the second terminal to determine the second electromagnetic based on the location information of the wireless charging transmission path
  • the target angle information of the coil and the horizontal plane the first terminal determines the target angle information of the first electromagnetic coil and the horizontal plane based on the position information of the wireless charging transmission path and the position information of the center of the first electromagnetic coil, and detects the current electromagnetic coil current Current angle information with the horizontal plane with the first electromagnetic coil and water When the target angle does not match the information plane, to adjust the current angle information of the first electromagnetic coil and a horizontal plane, and a second electromagnetic coil based charge to the first electromagnetic coil after the adjustment.
  • the wireless charging between the terminal and the terminal can be implemented by the embodiment of the present invention, and the first terminal can adjust the current angle information of the first coil and the horizontal plane according to the wireless charging transmission path, thereby facilitating the wireless charging efficiency and saving the charging time. To improve energy efficiency.
  • FIG. 1 is a schematic flow chart of a wireless charging method according to an embodiment of the present invention.
  • Figure 1-1 is a schematic view showing the positional relationship before and after the electromagnetic coil is adjusted
  • FIG. 2 is a schematic flow chart of another wireless charging method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart diagram of another wireless charging method according to an embodiment of the present invention.
  • FIG. 4 is a block diagram of a unit structure of a wireless charging apparatus according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a wireless charging apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • references to "an embodiment” herein mean that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the invention.
  • the appearances of the phrases in various places in the specification are not necessarily referring to the same embodiments, and are not exclusive or alternative embodiments that are mutually exclusive. Those skilled in the art will understand and implicitly understand that the embodiments described herein can be combined with other embodiments.
  • FIG. 1 is a schematic flowchart of a wireless charging method according to an embodiment of the present invention. As shown in FIG. 1 , the wireless charging method in the embodiment of the present invention includes the following steps:
  • the first terminal detects that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquiring, by the second terminal, the second terminal that is sent by the second terminal. Position information of a center of the electromagnetic coil and angle information of the second electromagnetic coil and a horizontal plane.
  • the first terminal and the second terminal may include an electromagnetic coil, a transmitting and receiving control module, a servo motor, a CPU, a communication module, and an attitude sensor.
  • the first terminal and the second terminal respectively acquire position information of a center of each electromagnetic coil and angle information of the electromagnetic coil and a horizontal plane by sensors of respective postures. Meanwhile, the first terminal detects that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, the transmitting and receiving control module of the first terminal adjusts the first electromagnetic coil to a transmitting state. In preparation for charging the second electromagnetic coil of the second terminal.
  • the wireless charging condition includes:
  • the distance of the second terminal from the first terminal is less than a preset distance threshold, and the remaining power of the second terminal is less than or equal to the first preset power threshold.
  • the wireless charging request carries a second terminal identifier, where the wireless charging request is used by the first terminal to detect, according to the second terminal identifier, whether the second terminal is a legal match with the first terminal.
  • a terminal and when detecting that the second terminal is a legal terminal that matches the first terminal, performing acquiring the location of a center of a second electromagnetic coil of the second terminal that is sent by the second terminal Information and the step of angular information of the second electromagnetic coil and the horizontal plane.
  • the first terminal may include, but is not limited to, a mobile terminal such as a smart phone, a tablet computer, a notebook computer, a personal digital assistant, or a wireless charging base.
  • a mobile terminal such as a smart phone, a tablet computer, a notebook computer, a personal digital assistant, or a wireless charging base.
  • the first terminal determines location information of a wireless charging transmission path based on location information of a center of a first electromagnetic coil of the first terminal and position information of a center of the second electromagnetic coil, and the The location information of the wireless charging transmission path is sent to the second terminal, and the location information of the wireless charging transmission path is used by the second terminal to determine the second electromagnetic coil and the horizontal plane based on the location information of the wireless charging transmission path.
  • Target angle information is used by the second terminal to determine the second electromagnetic coil and the horizontal plane based on the location information of the wireless charging transmission path.
  • the first terminal determines wireless charging by using a CPU of the second terminal based on location information of a center of a first electromagnetic coil of the first terminal and position information of a center of the second electromagnetic coil. Transmitting location information of the path, and transmitting location information of the wireless charging transmission path to the second terminal by using a communication module, where location information of the wireless charging transmission path is used by the second terminal to transmit based on the wireless charging.
  • the position information of the path determines target angle information of the second electromagnetic coil and the horizontal plane, and adjusts the current angle information of the second electromagnetic coil and the horizontal plane to the target angle information, wherein the adjusted first electromagnetic coil and the second electromagnetic The coils are parallel.
  • the first terminal determines target angle information of the first electromagnetic coil and a horizontal plane based on location information of the wireless charging transmission path and position information of a center of the first electromagnetic coil.
  • the position information of the wireless charging transmission path is a path connecting a center of the first electromagnetic coil and a center of the second electromagnetic coil, and the target angle information of the first electromagnetic coil and the horizontal plane is a guarantee Angle information perpendicular to the wireless charging transmission path of the first electromagnetic coil.
  • FIG. 1-1 is a schematic diagram showing the positional relationship between the electromagnetic coil before and after adjustment, wherein the dotted line portion is the position of the first electromagnetic coil and the second electromagnetic coil before the adjustment, and the solid line portion is adjusted. The position of the first electromagnetic coil and the second electromagnetic coil.
  • the first terminal adjusts the current state of the first electromagnetic coil and the horizontal plane when detecting that the current angle information of the first electromagnetic coil and the horizontal plane does not match the target angle information of the first electromagnetic coil and the horizontal plane. Angle information, and charging the second electromagnetic coil based on the adjusted first electromagnetic coil.
  • the first terminal detects that the current angle information of the first electromagnetic coil and the horizontal plane does not match the target angle information of the first electromagnetic coil and the horizontal plane
  • the first terminal is based on the servo motor adjustment center in the first terminal.
  • the current angle information of the first electromagnetic coil and the horizontal plane is described, and the second electromagnetic coil is charged according to the adjusted first electromagnetic coil.
  • the first terminal detects that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquires the location that is sent by the second terminal.
  • Position information of a center of the second electromagnetic coil of the second terminal and angle information of the second electromagnetic coil and the horizontal plane, and based on position information of a center of the first electromagnetic coil of the first terminal and position information of a center of the second electromagnetic coil Determining the location information of the wireless charging transmission path, and transmitting the location information of the wireless charging transmission path to the second terminal, where the location information of the wireless charging transmission path is used by the second terminal to determine the second electromagnetic based on the location information of the wireless charging transmission path Coil and water
  • the target angle information of the plane the first terminal determines the target angle information of the first electromagnetic coil and the horizontal plane based on the position information of the wireless charging transmission path and the position information of the center of the first electromagnetic coil, and detects the current and horizontal plane of the first electromagnetic coil When the current angle information does not match the target angle information of the first electromagnetic coil and the horizontal plane, the current angle information of the first electromagnetic coil and the horizontal plane is adjusted, and the second electromagnetic coil is charged according to the adjusted first electromagnetic coil.
  • the wireless charging between the terminal and the terminal can be implemented by the embodiment of the present invention, and the first terminal can adjust the current angle information of the first coil and the horizontal plane according to the wireless charging transmission path, thereby facilitating the wireless charging efficiency and saving the charging time. To improve energy efficiency.
  • the first terminal may repeatedly perform steps S101 to S104 every preset time period until the remaining power of the second terminal reaches a preset power threshold, and stops charging the second electromagnetic coil.
  • the first terminal may also perform the following operations:
  • the first electromagnetic coil of the first terminal stops charging the second electromagnetic coil.
  • the first terminal may further perform the following operations: the first terminal acquires the remaining power of the second terminal every second preset time, and determines whether the remaining power of the second terminal is equal to the first And a third preset power threshold, when the remaining power of the first terminal is greater than or equal to the third preset power threshold, the first electromagnetic coil of the first terminal stops charging the second electromagnetic coil.
  • FIG. 2 is a schematic flowchart of another wireless charging method according to an embodiment of the present invention.
  • the wireless charging method in the embodiment of the present invention includes the following steps:
  • the first terminal detects whether a wireless charging request that is sent by the second terminal and carries the second terminal identifier is received.
  • the first terminal detects, according to the second terminal identifier, whether the second terminal is a legal match with the first terminal, when detecting, by the second terminal, the wireless charging request that carries the second terminal identifier. terminal;
  • the first terminal when detecting that the second terminal is a legal terminal that matches the first terminal, and acquiring that the second terminal meets a wireless charging condition, acquiring, by the second terminal, Position information of a center of a second electromagnetic coil of the second terminal and the second electromagnetic wire Angle information of the circle and the horizontal plane.
  • the wireless charging condition includes:
  • the distance of the second terminal from the first terminal is less than a preset distance threshold, and the remaining power of the second terminal is less than or equal to the first preset power threshold.
  • the first terminal determines location information of a wireless charging transmission path based on location information of a center of a first electromagnetic coil of the first terminal and position information of a center of the second electromagnetic coil, and the The location information of the wireless charging transmission path is sent to the second terminal, and the location information of the wireless charging transmission path is used by the second terminal to determine the second electromagnetic coil and the horizontal plane based on the location information of the wireless charging transmission path.
  • Target angle information
  • the first terminal determines target angle information of the first electromagnetic coil and a horizontal plane based on position information of the wireless charging transmission path and position information of a center of the first electromagnetic coil.
  • the first terminal may perform step S207 to step S208 or perform steps S209 to S210.
  • the first terminal determines, according to a first preset time, whether a remaining power of the first terminal is equal to a second preset power threshold.
  • the first terminal stops charging the second electromagnetic coil when the first terminal determines that the remaining power of the first terminal is less than or equal to the second preset power threshold. .
  • the first terminal acquires the remaining power of the second terminal every second preset time, and determines whether the remaining power of the second terminal is equal to the third preset power threshold.
  • the first electromagnetic coil of the first terminal stops charging the second electromagnetic coil.
  • the first terminal detects that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquires the location that is sent by the second terminal.
  • the position information of the wireless charging transmission path determines target angle information of the second electromagnetic coil and the horizontal plane
  • the first terminal determines the target of the first electromagnetic coil and the horizontal plane based on the position information of the wireless charging transmission path and the position information of the center of the first electromagnetic coil
  • the angle information is used to adjust the current angle information of the first electromagnetic coil and the horizontal plane when detecting that the current angle information of the first electromagnetic coil and the current horizontal plane does not match the target angle information of the first electromagnetic coil and the horizontal plane, and based on the adjusted An electromagnetic coil charges the second electromagnetic coil.
  • the wireless charging between the terminal and the terminal can be implemented by the embodiment of the present invention, and the first terminal can adjust the current angle information of the first coil and the horizontal plane according to the wireless charging transmission path, thereby facilitating the wireless charging efficiency and saving the charging time. To improve energy efficiency.
  • FIG. 3 is a schematic flowchart diagram of another wireless charging method according to an embodiment of the present invention.
  • the wireless charging method in the embodiment of the present invention is described on both sides of the first terminal and the second terminal.
  • the wireless charging method in the embodiment of the present invention includes the following steps:
  • the second terminal sends a wireless charging request that carries the second terminal identifier to the first terminal.
  • the first terminal detects, according to the second terminal identifier, whether the second terminal is a legal match with the first terminal, when detecting, by the second terminal, the wireless charging request that carries the second terminal identifier. terminal;
  • the first terminal when detecting that the second terminal is a legal terminal that matches the first terminal, and sending the acquiring instruction to the second terminal, when detecting that the second terminal meets the wireless charging condition
  • the acquiring instruction is used to acquire position information of a center of a second electromagnetic coil of the second terminal and angle information of the second electromagnetic coil and a horizontal plane, which are sent by the second terminal.
  • the wireless charging condition includes:
  • the distance of the second terminal from the first terminal is less than a preset distance threshold, and the remaining power of the second terminal is less than or equal to the first preset power threshold.
  • the second terminal sends, to the first terminal, position information of a center of a second electromagnetic coil of the second terminal and angle information of the second electromagnetic coil and a horizontal plane.
  • the first terminal determines a location information of the wireless charging transmission path based on location information of a center of the first electromagnetic coil of the first terminal and position information of a center of the second electromagnetic coil. interest.
  • the wireless terminal may perform the first process and the second process in synchronization, wherein the first process includes steps S306 to S308, and the second process includes steps S309 to S310.
  • the first terminal sends location information of the wireless charging transmission path to the second terminal.
  • the second terminal determines target angle information of the second electromagnetic coil and a horizontal plane based on location information of the wireless charging transmission path.
  • the second terminal determines, by using a servo motor located in the second terminal, target angle information of the second electromagnetic coil and a horizontal plane based on location information of the wireless charging transmission path, where the second terminal
  • the servo motor power supply may be derived from the remaining power of the battery of the second terminal, and when the battery of the second terminal has no remaining power, the power supply of the servo motor in the second terminal is from the second terminal.
  • the standby power source activated by the servo motor.
  • the second terminal adjusts the current position of the second electromagnetic coil and the horizontal plane when detecting that the current angle information of the first electromagnetic coil and the current horizontal plane does not match the target angle information of the second electromagnetic coil and the horizontal plane.
  • the angle information is the target angle information
  • the first terminal determines target angle information of the first electromagnetic coil and a horizontal plane based on location information of the wireless charging transmission path and position information of a center of the first electromagnetic coil.
  • the first terminal adjusts the current state of the first electromagnetic coil and the horizontal plane when detecting that the current angle information of the first electromagnetic coil and the horizontal plane does not match the target angle information of the first electromagnetic coil and the horizontal plane. Angle information, and charging the second electromagnetic coil based on the adjusted first electromagnetic coil.
  • the first terminal detects that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquires the location that is sent by the second terminal.
  • Position information of a center of the second electromagnetic coil of the second terminal and angle information of the second electromagnetic coil and the horizontal plane Determining the location information of the wireless charging transmission path, and transmitting the location information of the wireless charging transmission path to the second terminal, where the location information of the wireless charging transmission path is used by the second terminal to determine the second electromagnetic based on the location information of the wireless charging transmission path Target angle information of the coil and the horizontal plane, the first terminal is based on the position information of the wireless charging transmission path and the first electromagnetic The position information of the center of the coil determines the target angle information of the first electromagnetic coil and the horizontal plane.
  • the adjustment A current angle information of the electromagnetic coil and the horizontal plane, and charging the second electromagnetic coil based on the adjusted first electromagnetic coil can be implemented by the embodiment of the present invention, and the first terminal can adjust the current angle information of the first coil and the horizontal plane according to the wireless charging transmission path, thereby facilitating the wireless charging efficiency and saving the charging time. To improve energy efficiency.
  • the wireless charging device may include an obtaining unit 401, a determining unit 402, and an adjusting charging unit 403, where:
  • the obtaining unit 401 is configured to: after detecting that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquiring, by the second terminal, the second terminal Position information of a center of the second electromagnetic coil and angle information of the second electromagnetic coil and a horizontal plane;
  • the determining unit 402 is configured to determine location information of the wireless charging transmission path based on location information of a center of the first electromagnetic coil of the infinite charging device and position information of a center of the second electromagnetic coil, and Sending location information of the wireless charging transmission path to the second terminal, where location information of the wireless charging transmission path is used by the second terminal to determine the second electromagnetic coil based on location information of the wireless charging transmission path Target angle information of the water level;
  • the determining unit 402 is further configured to determine target angle information of the first electromagnetic coil and a horizontal plane based on location information of the wireless charging transmission path and position information of a center of the first electromagnetic coil;
  • the adjusting charging unit 403 is configured to adjust the first electromagnetic coil and the horizontal plane when detecting that the current angle information of the first electromagnetic coil and the horizontal plane does not match the target angle information of the first electromagnetic coil and the horizontal plane Current angle information and charging the second electromagnetic coil based on the adjusted first electromagnetic coil.
  • the wireless charging condition includes:
  • the distance of the second terminal from the infinite charging device is less than a preset distance threshold, and the remaining power of the second terminal is less than or equal to the first preset power threshold.
  • the device further includes:
  • the first notification unit 404 is configured to determine, according to the first preset time, whether the remaining power of the infinite charging device is equal to the second preset power threshold, and determine that the remaining power of the infinite charging device is less than or equal to the first When the power threshold is preset, the first electromagnetic coil of the infinite charging device is notified to stop charging the second electromagnetic coil.
  • the device further includes:
  • the second notification unit 405 is configured to acquire the remaining power of the second terminal every second preset time, and determine whether the remaining power of the second terminal is equal to the third preset power threshold, and determine the infinity When the remaining power of the charging device is greater than or equal to the third preset power threshold, the first electromagnetic coil of the infinite charging device is notified to stop charging the second electromagnetic coil.
  • the wireless charging request carries a second terminal identifier, where the wireless charging request is used by the infinite charging device to detect, according to the second terminal identifier, whether the second terminal is matched with the infinite charging device.
  • a legal terminal and when detecting that the second terminal is a legal terminal that matches the infinite charging device, performing the acquiring the center of the second electromagnetic coil of the second terminal that is sent by the second terminal The position information and the step of the angle information of the second electromagnetic coil and the horizontal plane.
  • the mobile terminal described in the device embodiment of the present invention is presented in the form of a functional unit.
  • the term "unit” as used herein shall be understood to mean the broadest possible meaning, and the object for implementing the functions described for each "unit” may be, for example, an integrated circuit ASIC, a single circuit for executing one or more software or firmware.
  • a processor shared, dedicated or chipset
  • memory of the program combinatorial logic, and/or other suitable components that perform the functions described above.
  • the acquiring unit 401 is configured to detect that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquire the second terminal that is sent by the second terminal.
  • the function of the position information of the center of the second electromagnetic coil and the angle information of the second electromagnetic coil and the horizontal plane may be implemented by the mobile terminal shown in FIG. 5, and may be specifically executed by the processor 101 by calling the executable in the memory 102.
  • the program code is configured to detect that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquire the second electromagnetic coil that is sent by the second terminal and located in the second terminal Position information of the center of the circle and the second electric Angle information of the magnetic coil and the horizontal plane.
  • the first terminal detects that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquires the location that is sent by the second terminal.
  • Position information of a center of the second electromagnetic coil of the second terminal and angle information of the second electromagnetic coil and the horizontal plane, and based on position information of a center of the first electromagnetic coil of the first terminal and position information of a center of the second electromagnetic coil Determining the location information of the wireless charging transmission path, and transmitting the location information of the wireless charging transmission path to the second terminal, where the location information of the wireless charging transmission path is used by the second terminal to determine the second electromagnetic based on the location information of the wireless charging transmission path
  • the target angle information of the coil and the horizontal plane the first terminal determines the target angle information of the first electromagnetic coil and the horizontal plane based on the position information of the wireless charging transmission path and the position information of the center of the first electromagnetic coil, and detects the current electromagnetic coil current Current angle information with the horizontal plane with the first electromagnetic coil and water When the target angle does not match the information plane, to adjust the current angle information of the first electromagnetic coil and a horizontal plane, and a second electromagnetic coil based charge to the first electromagnetic coil after the adjustment.
  • the wireless charging between the terminal and the terminal can be implemented by the embodiment of the present invention, and the first terminal can adjust the current angle information of the first coil and the horizontal plane according to the wireless charging transmission path, thereby facilitating the wireless charging efficiency and saving the charging time. To improve energy efficiency.
  • FIG. 5 Another embodiment of the present invention further provides a wireless charging apparatus, as shown in FIG. 5, comprising: a processor 101, a memory 102, a communication interface 103, and a communication bus 104; wherein the processor 101, the memory 102, and the communication interface 103 pass The communication bus 104 connects and completes communication with each other; the processor 101 controls wireless communication with the external cellular network through the communication interface 103; the communication interface 103 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, and an LNA (Low Noise Amplifier) , low noise amplifier), duplexer, etc.
  • LNA Low Noise Amplifier
  • the memory 102 includes at least one of: a random access memory, a nonvolatile memory, and an external memory, the memory 102 storing executable program code capable of directing the processor 101 to perform the method embodiment of the present invention The wireless charging method specifically disclosed in the medium.
  • the processor 101 is configured to: after detecting that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquiring, by the second terminal, the second terminal Position information of a center of the second electromagnetic coil and angle information of the second electromagnetic coil and a horizontal plane; based on position information of a center of the first electromagnetic coil of the first terminal and a center of the second electromagnetic coil Location information, determining location information of the wireless charging transmission path, and The location information of the line charging transmission path is sent to the second terminal, where the location information of the wireless charging transmission path is used by the second terminal to determine the second electromagnetic coil and the horizontal plane based on the location information of the wireless charging transmission path.
  • Target angle information determining target angle information of the first electromagnetic coil and a horizontal plane based on position information of the wireless charging transmission path and position information of a center of the first electromagnetic coil; and detecting the first electromagnetic Adjusting current angle information of the first electromagnetic coil and the horizontal plane when the current angle information of the coil and the horizontal plane does not match the target angle information of the first electromagnetic coil and the horizontal plane, and based on the adjusted first electromagnetic coil
  • the second electromagnetic coil is charged.
  • the wireless charging condition includes: the distance of the second terminal from the first terminal is less than a preset distance threshold, and the remaining power of the second terminal is less than or equal to a first preset power threshold.
  • the processor 101 is further configured to determine, according to the first preset time, whether the remaining power of the first terminal is equal to a second preset power threshold, and determine that the remaining power of the first terminal is smaller than Or equal to the second preset power threshold, the first electromagnetic coil of the first terminal stops charging the second electromagnetic coil.
  • the processor 101 is further configured to acquire the remaining power of the second terminal every second preset time, and determine whether the remaining power of the second terminal is equal to the third preset power threshold. When it is determined that the remaining power of the first terminal is greater than or equal to the third preset power threshold, the first electromagnetic coil of the first terminal stops charging the second electromagnetic coil.
  • the wireless charging request carries a second terminal identifier, where the wireless charging request is used by the first terminal to detect, according to the second terminal identifier, whether the second terminal is matched with the first terminal.
  • the legal terminal and when detecting that the second terminal is a legal terminal that matches the first terminal, performing the acquiring the center of the second electromagnetic coil of the second terminal that is sent by the second terminal The position information and the step of the angle information of the second electromagnetic coil and the horizontal plane.
  • the first terminal detects that the wireless charging request sent by the second terminal is received, and when detecting that the second terminal meets the wireless charging condition, acquires the location that is sent by the second terminal.
  • Position information of a center of the second electromagnetic coil of the second terminal and angle information of the second electromagnetic coil and the horizontal plane, and based on position information of a center of the first electromagnetic coil of the first terminal and position information of a center of the second electromagnetic coil Determining location information of the wireless charging transmission path, and transmitting location information of the wireless charging transmission path to the second terminal, the bit of the wireless charging transmission path
  • the information is used by the second terminal to determine target angle information of the second electromagnetic coil and the horizontal plane based on the location information of the wireless charging transmission path, and the first terminal determines the location information of the wireless charging transmission path and the position information of the center of the first electromagnetic coil.
  • the target angle information of the first electromagnetic coil and the horizontal plane adjusts the current angle of the first electromagnetic coil and the horizontal plane when detecting that the current angle information of the first electromagnetic coil and the current horizontal plane does not match the target angle information of the first electromagnetic coil and the horizontal plane Information and charging the second electromagnetic coil based on the adjusted first electromagnetic coil.
  • the wireless charging between the terminal and the terminal can be implemented by the embodiment of the present invention, and the first terminal can adjust the current angle information of the first coil and the horizontal plane according to the wireless charging transmission path, thereby facilitating the wireless charging efficiency and saving the charging time. To improve energy efficiency.
  • the embodiment of the present invention further provides a mobile terminal.
  • a mobile terminal As shown in FIG. 6 , for the convenience of description, only parts related to the embodiment of the present invention are shown. If the specific technical details are not disclosed, please refer to the method part of the embodiment of the present invention.
  • the mobile terminal can be any terminal device including a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), an in-vehicle computer, and the mobile terminal is used as a mobile phone as an example:
  • FIG. 6 is a block diagram showing a partial structure of a mobile phone related to a mobile terminal provided by an embodiment of the present invention.
  • the mobile phone includes: a radio frequency (RF) circuit 910, a memory 920, an input unit 930, a display unit 940, a sensor 950, an audio circuit 960, a wireless fidelity (WiFi) module 970, and a processor 980. And power supply 990 and other components.
  • RF radio frequency
  • the RF circuit 910 can be used for receiving and transmitting information.
  • RF circuit 910 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • LNA Low Noise Amplifier
  • RF circuitry 910 can also communicate with the network and other devices via wireless communication.
  • the above wireless communication may use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division). Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), E-mail, Short Messaging Service (SMS), and the like.
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • E-mail Short Messaging Service
  • the memory 920 can be used to store software programs and modules, and the processor 980 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 920.
  • the memory 920 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function, and the like; the storage data area may store data created according to usage of the mobile phone, and the like.
  • memory 920 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the input unit 930 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset.
  • the input unit 930 can include a fingerprint identification module 931 and other input devices 932.
  • the fingerprint identification module 931 can collect fingerprint data of the user.
  • the fingerprint identification module 931 can include an optical fingerprint module, a capacitive fingerprint module, and a radio frequency fingerprint module.
  • the fingerprint identification module 931 is an example of a capacitive fingerprint recognition module, and specifically includes a sensing electrode (an abnormal sensing electrode and a normal sensing electrode) and a signal processing circuit (such as an amplifying circuit, a noise suppression circuit, and a mode) connected to the sensing electrode. Number conversion circuit, etc.).
  • the input unit 930 may also include other input devices 932.
  • other input devices 932 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 940 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone.
  • the display unit 940 can include a display screen 941.
  • the display screen 941 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the fingerprint recognition module 931 and the display screen 941 function as two separate components to implement the input and input functions of the mobile phone, in some embodiments, the fingerprint recognition module 931 and the display screen 941 can be Integrated to achieve the input and output functions of the phone.
  • the handset may also include at least one type of sensor 950, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display screen 941 according to the brightness of the ambient light, and the proximity sensor may turn off the display screen 941 and/or when the mobile phone moves to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • the phone can also be configured Other sensors such as gyroscopes, barometers, hygrometers, thermometers, and infrared sensors are not described here.
  • An audio circuit 960, a speaker 961, and a microphone 962 can provide an audio interface between the user and the handset.
  • the audio circuit 960 can transmit the converted electrical data of the received audio data to the speaker 961, and convert it into a sound signal output by the speaker 961.
  • the microphone 962 converts the collected sound signal into an electrical signal, and the audio circuit 960 After receiving, it is converted into audio data, and then processed by the audio data output processor 980, sent to the other mobile phone via the RF circuit 910, or outputted to the memory 920 for further processing.
  • WiFi is a short-range wireless transmission technology
  • the mobile phone can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 970, which provides users with wireless broadband Internet access.
  • FIG. 6 shows the WiFi module 970, it can be understood that it does not belong to the essential configuration of the mobile phone, and can be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 980 is the control center of the handset, which connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 920, and invoking data stored in the memory 920, executing The phone's various functions and processing data, so that the overall monitoring of the phone.
  • the processor 980 may include one or more processing units; preferably, the processor 980 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
  • the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 980.
  • the handset also includes a power source 990 (such as a battery) that supplies power to the various components.
  • a power source 990 such as a battery
  • the power source can be logically coupled to the processor 980 through a power management system to manage functions such as charging, discharging, and power management through the power management system.
  • the mobile phone may further include a camera, a Bluetooth module, and the like, and details are not described herein again.
  • each step method flow can be implemented based on the structure of the mobile phone.
  • each unit function can be implemented based on the structure of the mobile phone.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium can store a program, and the program includes some or all of the steps of any one of the wireless charging methods described in the foregoing method embodiments.
  • the disclosed apparatus may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical or otherwise.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a memory. A number of instructions are included to cause a computer device (which may be a personal computer, server or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing memory includes: a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and the like, which can store program codes.
  • ROM Read-Only Memory
  • RAM Random Access Memory

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

Abstract

Certains modes de réalisation de la présente invention concernent un procédé et un dispositif de charge sans fil. Le procédé consiste : à obtenir, par un premier terminal, des informations de position du centre d'une seconde bobine électromagnétique d'un second terminal, ainsi que des informations d'angle de la seconde bobine électromagnétique par rapport à un plan horizontal ; à déterminer, à partir d'informations de position d'un centre d'une première bobine électromagnétique et des informations de position du centre de la seconde bobine électromagnétique, des informations de position d'un trajet de transmission de charge sans fil, et à transmettre ces dernières au second terminal ; à déterminer, par le premier terminal, à partir des informations de position du trajet de transmission de charge sans fil et des informations de position du centre de la première bobine électromagnétique, des informations d'angle cible ; s'il est détecté que des informations d'angle actuel de la première bobine électromagnétique par rapport au plan horizontal ne correspondent pas aux informations d'angle cible, à régler les informations d'angle actuel de la première bobine électromagnétique par rapport au plan horizontal ; et à charger, sur la base de la première bobine électromagnétique réglée, la seconde bobine électromagnétique. Un dispositif correspondant est également décrit. Les modes de réalisation de la présente invention facilitent l'amélioration de l'efficacité de charge sans fil, tout en réduisant le temps de charge.
PCT/CN2017/072578 2016-12-08 2017-01-25 Procédé et dispositif de charge sans fil WO2018103191A1 (fr)

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