WO2022186485A1 - Dispositif électronique permettant de recevoir de la puissance sans fil et procédé de mesure de température l'utilisant - Google Patents

Dispositif électronique permettant de recevoir de la puissance sans fil et procédé de mesure de température l'utilisant Download PDF

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Publication number
WO2022186485A1
WO2022186485A1 PCT/KR2022/001505 KR2022001505W WO2022186485A1 WO 2022186485 A1 WO2022186485 A1 WO 2022186485A1 KR 2022001505 W KR2022001505 W KR 2022001505W WO 2022186485 A1 WO2022186485 A1 WO 2022186485A1
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WIPO (PCT)
Prior art keywords
power
power receiving
terminals
terminal
receiving device
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PCT/KR2022/001505
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English (en)
Korean (ko)
Inventor
박중희
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삼성전자 주식회사
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Publication of WO2022186485A1 publication Critical patent/WO2022186485A1/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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • 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
    • 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
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • 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
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits

Definitions

  • Various embodiments of the present disclosure relate to an electronic device receiving wireless power and a temperature measuring method using the same.
  • the electronic device may be charged wirelessly or contactless charging using a wireless power transfer technology.
  • the wireless power transmission technology may be a technology in which power is wirelessly transferred from the power transmission device to the power reception device without a connection between the power reception device and the power transmission device by a separate connector, and the battery of the power reception device is charged.
  • the wireless power transmission technology may include a magnetic induction method and a magnetic resonance method, and in addition to this, various types of wireless power transmission technology may be included.
  • the power receiving device may include a thermistor capable of checking the temperature of the power receiving device due to charging when the battery is charged using power wirelessly received from the power transmitting device. For example, when power is wirelessly received from the power transmitting device, heat generated by the power receiving device may be diffused around the power receiving coil. The power receiving device may check a temperature according to the diffused heat using the thermistor, and control wireless charging when the temperature exceeds a specified temperature.
  • the temperature according to the heat diffused around the power receiving coil may be different from the actual temperature of the power receiving device.
  • the actual temperature of the power receiving device may be higher than the temperature due to heat diffused around the power receiving coil.
  • the battery may be continuously charged using the power received from the power transmitting device.
  • the power receiving apparatus may include a plurality of terminals to which heterogeneous signal measurement lines disposed adjacent to the power receiving coil are connected.
  • the power receiver may check the heating state of the power receiver based on a temperature of each terminal to which different types of signal measurement lines are connected and/or a voltage value according to the temperature of each terminal.
  • the power receiver may control the power received from the power transmitter based on the checked heating state of the power receiver.
  • the power receiving device may determine whether the power receiving device is in a state in which the power receiving device is in a state in which it is unalignedly disposed on the top of the power transmitting device, based on the voltage value of each terminal. When it is confirmed that the power receiving device is in a non-aligned state on top of the power transmitting device, the power receiving device may provide a notification informing the user of the non-aligned state.
  • a power receiving apparatus includes a power receiving unit including a power receiving coil, a plurality of terminals disposed adjacent to the power receiving coil, a first measurement signal line connected to the plurality of terminals, and a second 2 measuring signal lines, a measuring unit for checking the temperatures of the plurality of terminals, and a processor operatively connected to the power receiving unit, the plurality of terminals, the first measuring signal line, the second measuring signal line, and the measuring unit; Including, wherein the processor wirelessly receives power from the power transmitter through the power receiver, checks the temperature of each of the plurality of terminals received through the measuring unit, and at least one of the plurality of terminals It may be configured to control the wirelessly received power based on it being determined that the temperature of the terminal of the controller exceeds a specified temperature.
  • a method of measuring a temperature of a power receiving device includes an operation of wirelessly receiving power from a power transmitting device, disposed adjacent to a power receiving coil, and connected to a first measurement signal line and a second measurement signal line checking the temperature of each of the plurality of terminals, and controlling the wirelessly received power based on it being determined that the temperature of at least one of the plurality of terminals exceeds a specified temperature can do.
  • Power receiving apparatus based on the temperature of each of a plurality of terminals to which heterogeneous signal measurement lines disposed adjacent to the power receiving coil are connected and/or a voltage value according to the temperature of each terminal, it is possible to immediately check the heating state of the power receiving device.
  • the power receiver may immediately check the heating state of the power receiver according to wireless charging, thereby quickly controlling the charging current.
  • the user may arrange the power receiving device in a state aligned with the power transmitting device. Accordingly, the heating performance of the power receiving device may be improved, and the charging time of the power receiving device may be prevented from being prolonged.
  • FIG. 1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure
  • FIG. 2 is a block diagram of a power management module and a battery, in accordance with various embodiments.
  • 3A is a perspective view of a front side of an electronic device, according to various embodiments.
  • FIG. 3B is a perspective view of a rear side of the electronic device of FIG. 3A , in accordance with various embodiments.
  • FIG. 4 is an exploded perspective view of an electronic device according to various embodiments of the present disclosure.
  • 5A is a diagram schematically illustrating an operation of a power transmitting device charging a power receiving device according to various embodiments of the present disclosure
  • 5B is a diagram schematically illustrating a wireless charging environment of a power transmitting apparatus and a power receiving apparatus according to various embodiments of the present disclosure
  • FIG. 6 is a block diagram illustrating an apparatus for receiving power according to various embodiments of the present disclosure.
  • FIG. 7 is a diagram illustrating a plurality of terminals to which a power receiving coil provided in a power receiving apparatus and a first measurement signal line and a second measurement signal line are connected, according to various embodiments of the present disclosure
  • FIG. 8 is a diagram illustrating a power receiving coil provided in a power receiving apparatus and a plurality of terminals to which a first measurement signal line and a second measurement signal line are connected, according to various embodiments of the present disclosure
  • FIG. 9 is a flowchart illustrating a method of measuring a temperature of a power receiving apparatus according to various embodiments of the present disclosure.
  • FIG. 10 is a cross-sectional view of a power receiving device taken along line A-A′ of FIG. 7 , according to various embodiments of the present disclosure
  • FIG. 11 is a flowchart for explaining a method of confirming a state in which a power receiving device is disposed in a non-aligned upper portion of a power transmitting device, according to various embodiments of the present disclosure
  • FIG. 13 is a view for explaining a method of measuring a voltage value of a junction to which a first measurement signal line and a second measurement signal line are connected using a voltage division law, according to various embodiments of the present disclosure
  • FIG. 14 is a diagram for describing a method of confirming a state in which a power receiving device is disposed in a non-aligned upper portion of a power transmitting device, according to various embodiments of the present disclosure
  • 15 is a method of outputting a guide for arranging the power receiving device to be aligned with the top of the power transmitting device when the power receiving device is in a non-aligned state on the top of the power transmitting device, according to various embodiments; It is a drawing for explaining.
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments.
  • the electronic device 101 communicates with the electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with at least one of the electronic device 104 and the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
  • the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 .
  • at least one of these components eg, the connection terminal 178
  • some of these components are integrated into one component (eg, display module 160 ). can be
  • the processor 120 for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
  • software eg, a program 140
  • the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 .
  • the volatile memory 132 may be stored in , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
  • the processor 120 is a main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
  • a main processor 121 eg, a central processing unit or an application processor
  • a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
  • NPU neural processing unit
  • an image signal processor e.g., a sensor hub processor, or a communication processor.
  • the secondary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
  • the coprocessor 123 eg, an image signal processor or a communication processor
  • may be implemented as part of another functionally related component eg, the camera module 180 or the communication module 190. have.
  • the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
  • Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which the artificial intelligence model is performed, or may be performed through a separate server (eg, the server 108).
  • the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited
  • the artificial intelligence model may include a plurality of artificial neural network layers.
  • Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example.
  • the artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.
  • the memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176 ) of the electronic device 101 .
  • the data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto.
  • the memory 130 may include a volatile memory 132 or a non-volatile memory 134 .
  • the program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
  • the input module 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 .
  • the input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
  • the sound output module 155 may output a sound signal to the outside of the electronic device 101 .
  • the sound output module 155 may include, for example, a speaker or a receiver.
  • the speaker can be used for general purposes such as multimedia playback or recording playback.
  • the receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.
  • the display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 .
  • the display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device.
  • the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.
  • the audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 or an external electronic device (eg, a sound output module 155 ) directly or wirelessly connected to the electronic device 101 .
  • the electronic device 102) eg, a speaker or headphones
  • the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the sensed state. can do.
  • the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.
  • the interface 177 may support one or more specified protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ).
  • the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
  • the connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ).
  • the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
  • the haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense.
  • the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
  • the camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
  • the power management module 188 may manage power supplied to the electronic device 101 .
  • the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the battery 189 may supply power to at least one component of the electronic device 101 .
  • battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
  • the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel.
  • the communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
  • the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module).
  • a wireless communication module 192 eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module
  • GNSS global navigation satellite system
  • wired communication module 194 eg, : It may include a local area network (LAN) communication module, or a power line communication module.
  • a corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
  • a first network 198 eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
  • a second network 199 eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
  • a telecommunication network
  • the wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 .
  • subscriber information eg, International Mobile Subscriber Identifier (IMSI)
  • IMSI International Mobile Subscriber Identifier
  • the electronic device 101 may be identified or authenticated.
  • the wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR).
  • NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)).
  • eMBB enhanced mobile broadband
  • mMTC massive machine type communications
  • URLLC ultra-reliable and low-latency
  • the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
  • a high frequency band eg, mmWave band
  • the wireless communication module 192 uses various techniques for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna.
  • the wireless communication module 192 may support various requirements defined in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ).
  • the wireless communication module 192 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: Downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) can be supported.
  • a peak data rate eg, 20 Gbps or more
  • loss coverage eg, 164 dB or less
  • U-plane latency for realizing URLLC
  • the antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device).
  • the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern.
  • the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.
  • other components eg, a radio frequency integrated circuit (RFIC)
  • RFIC radio frequency integrated circuit
  • the antenna module 197 may form a mmWave antenna module.
  • the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
  • peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
  • a signal e.g. commands or data
  • the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 .
  • Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 .
  • all or part of the operations performed by the electronic device 101 may be executed by one or more external electronic devices 102 , 104 , or 108 .
  • the electronic device 101 may perform the function or service itself instead of executing the function or service itself.
  • one or more external electronic devices may be requested to perform at least a part of the function or the service.
  • One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 .
  • the electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request.
  • cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
  • the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
  • the external electronic device 104 may include an Internet of things (IoT) device.
  • the server 108 may be an intelligent server using machine learning and/or neural networks.
  • the external electronic device 104 or the server 108 may be included in the second network 199 .
  • the electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
  • FIG. 2 is a block diagram 200 of a power management module 188 and a battery 189, in accordance with various embodiments.
  • the power management module 188 may include a charging circuit 210 , a power regulator 220 , or a power gauge 230 .
  • the charging circuit 210 may charge the battery 189 using power supplied from an external power source for the electronic device 101 .
  • the charging circuit 210 may include a type of external power source (eg, a power adapter, USB, or wireless charging), a size of power that can be supplied from the external power source (eg, about 20 watts or more), or a battery (eg, about 20 watts or more).
  • a charging method (eg, normal charging or fast charging) may be selected based on at least some of the properties of the battery 189 , and the battery 189 may be charged using the selected charging method.
  • the external power source may be connected to the electronic device 101 by wire through, for example, the connection terminal 178 or wirelessly through the antenna module 197 .
  • the power regulator 220 may generate a plurality of powers having different voltages or different current levels by, for example, adjusting a voltage level or current level of power supplied from an external power source or battery 189 .
  • the power regulator 220 may adjust the external power source or the power of the battery 189 to a voltage or current level suitable for each of some of the components included in the electronic device 101 .
  • the power regulator 220 may be implemented in the form of a low drop out (LDO) regulator or a switching regulator.
  • the power gauge 230 may measure usage state information about the battery 189 (eg, the capacity of the battery 189 , the number of times of charging and discharging, a voltage, or a temperature).
  • the power management module 188 for example, using the charging circuit 210 , the voltage regulator 220 , or the power gauge 230 , is configured to control the battery 189 based at least in part on the measured usage state information.
  • Charge-related state of charge information eg, lifetime, overvoltage, undervoltage, overcurrent, overcharge, overdischarge, overheat, short circuit, or swelling
  • the power management module 188 may determine whether the battery 189 is normal or abnormal based at least in part on the determined state of charge information. When it is determined that the state of the battery 189 is abnormal, the power management module 188 may adjust charging of the battery 189 (eg, decrease charging current or voltage, or stop charging). According to an embodiment, at least some of the functions of the power management module 188 may be performed by an external control device (eg, the processor 120 ).
  • the battery 189 may include a battery protection circuit module (PCM) 240 , according to one embodiment.
  • the battery protection circuit 240 may perform one or more of various functions (eg, a pre-blocking function) to prevent deterioration or burnout of the battery 189 .
  • the battery protection circuit 240 is additionally or alternatively a battery management system (battery management system) capable of performing various functions including cell balancing, capacity measurement of a battery, number of times of charging and discharging, temperature measurement, or voltage measurement. BMS))).
  • At least a part of the use state information or the charge state information of the battery 189 is a corresponding sensor (eg, a temperature sensor), a power gauge 230 , or a power management module among the sensor modules 176 . (188) can be used.
  • the corresponding sensor (eg, a temperature sensor) of the sensor module 176 may be included as a part of the battery protection circuit 240 , or disposed adjacent to the battery 189 as a separate device.
  • 3A is a perspective view of a front side of an electronic device 300 , according to various embodiments.
  • 3B is a perspective view of a rear surface of the electronic device 300 of FIG. 3A , according to various embodiments.
  • the electronic device 300 of FIGS. 3A and 3B may be at least partially similar to the electronic device 101 of FIG. 1 , or may include other embodiments of the electronic device.
  • the electronic device 300 includes a first surface (or front surface) 310A, a second surface (or rear surface) 310B, and a first surface 310A. and a housing 310 including a side surface 310C surrounding the space between the second surfaces 310B.
  • the housing 310 may refer to a structure that forms part of the first side 310A, the second side 310B, and the side surface 310C of FIGS. 3A and 3B .
  • the first surface 310A may be formed by a front plate 302 (eg, a glass plate including various coating layers, or a polymer plate) at least a portion of which is substantially transparent.
  • the second surface 310B may be formed by a substantially opaque back plate 311 .
  • the back plate 311 is formed by, for example, coated or colored glass, ceramic, polymer, metal (eg, aluminum, stainless steel (STS), or magnesium), or a combination of at least two of the above materials.
  • the side surface 310C is coupled to the front plate 302 and the rear plate 311 , and may be formed by a side bezel structure (or “side member”) 318 including a metal and/or a polymer.
  • the back plate 311 and the side bezel structure 318 are integrally formed and may include the same material (eg, a metal material such as aluminum).
  • the front plate 302 includes a first region 310D that is curved and extends seamlessly from the first surface 310A toward the rear plate 311 , the front plate 302 . ) may be included at both ends of the long edge.
  • the rear plate 311 has a second region 310E that is bent from the second surface 310B toward the front plate 302 and extends seamlessly with a long edge. It can be included at both ends.
  • the front plate 302 or the back plate 311 may include only one of the first region 310D or the second region 310E.
  • the front plate 302 does not include the first region 310D and the second region 310E, but may include only a flat plane disposed parallel to the second surface 310B.
  • the side bezel structure 318 when viewed from the side of the electronic device 300 , is the first side bezel structure 318 on the side where the first area 310D or the second area 310E is not included. It may have a thickness (or width) of 1, and a second thickness that is thinner than the first thickness at the side surface including the first area or the second area.
  • the electronic device 300 includes a display 301 (eg, the display module 160 of FIG. 1 ), an input device 303 (eg, the input module 150 of FIG. 1 ), and a sound output.
  • Devices 307 and 314 eg, sound output module 155 in FIG. 1
  • sensor modules 304 and 319 eg, sensor module 176 in FIG. 1
  • camera modules 305 , 312 , 313 Example: the camera module 180 of FIG. 1
  • a key input device 317 , an indicator (not shown) eg, the interface 177 of FIG. 1
  • a connector 308 eg, the connection terminal of FIG. 1 ) 178)
  • the electronic device 300 may omit at least one of the components (eg, the key input device 317 or an indicator) or additionally include other components.
  • the display 301 may be exposed through a substantial portion of the front plate 302 , for example. In some embodiments, at least a portion of the display 301 may be exposed through the front plate 302 forming the first area 310D of the first surface 310A and the side surface 310C.
  • the display 301 may be coupled to or disposed adjacent to a touch sensing circuit, a pressure sensor capable of measuring the intensity (pressure) of a touch, and/or a digitizer that detects a magnetic field type stylus pen.
  • at least a portion of the sensor module 304 , 319 , and/or at least a portion of a key input device 317 is located in the first area 310D, and/or the second area 310E. can be placed.
  • the input device 303 may include a microphone 303 .
  • the input device 303 may include a plurality of microphones 303 arranged to sense the direction of the sound.
  • the sound output devices 307 and 314 may include speakers 307 and 314 .
  • the speakers 307 and 314 may include an external speaker 307 and a receiver 314 for a call.
  • the microphone 303 , the speakers 307 , 314 , and the connector 308 are disposed in the space of the electronic device 300 , and pass through at least one hole formed in the housing 310 to the external environment. may be exposed to In some embodiments, the hole formed in the housing 310 may be used in common for the microphone 303 and the speakers 307 and 314 .
  • the sound output devices 307 and 314 may include a speaker (eg, a piezo speaker) that operates while excluding a hole formed in the housing 310 .
  • the sensor modules 304 and 319 may generate electrical signals or data values corresponding to an internal operating state of the electronic device 300 or an external environmental state.
  • the sensor modules 304 and 319 include, for example, a first sensor module 304 (eg, a proximity sensor) and/or a second sensor module (not shown) disposed on the first side 310A of the housing 310 . ) (eg, a fingerprint sensor), and/or a third sensor module 319 (eg, an HRM sensor) disposed on the second surface 310B of the housing 310 .
  • the fingerprint sensor may be disposed on the first surface 310A of the housing 310 .
  • a fingerprint sensor (eg, an ultrasonic fingerprint sensor or an optical fingerprint sensor) may be disposed under the display 301 of the first surface 310A.
  • the electronic device 300 includes a sensor module not shown, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, It may further include at least one of a humidity sensor or an illuminance sensor 304 .
  • the camera modules 305 , 312 , and 313 include a first camera device 305 disposed on the first side 310A of the electronic device 300 , and a second camera device 312 disposed on the second side 310B of the electronic device 300 . ), and/or a flash 313 .
  • the camera modules 305 and 312 may include one or more lenses, an image sensor, and/or an image signal processor.
  • the flash 313 may include, for example, a light emitting diode or a xenon lamp. In some embodiments, two or more lenses (eg, wide-angle and telephoto lenses) and image sensors may be disposed on one side of the electronic device 300 .
  • the key input device 317 may be disposed on the side surface 310C of the housing 310 .
  • the electronic device 300 may not include some or all of the above-mentioned key input devices 317 , and the not included key input device 317 is a soft key on the display 301 . etc. may be implemented in other forms.
  • the key input device 317 may be implemented using a pressure sensor included in the display 301 .
  • An indicator may be disposed, for example, on the first surface 310A of the housing 310 .
  • the indicator may provide, for example, state information of the electronic device 300 in the form of light.
  • the light emitting device may provide, for example, a light source that is interlocked with the operation of the camera module 305 .
  • Indicators may include, for example, LEDs, IR LEDs, and xenon lamps.
  • the connector hole 308 is a connector hole capable of accommodating a connector (eg, a USB connector or an interface connector port module (IF module)) for transmitting and receiving power and/or data to and from an external electronic device, and/or an external electronic device; It may include a connector hole (or earphone jack) capable of accommodating a connector for transmitting and receiving an audio signal.
  • a connector eg, a USB connector or an interface connector port module (IF module)
  • IF module interface connector port module
  • the camera modules 305 and 312 , the camera module 305 , some of the sensor modules 304 and 319 , or an indicator may be disposed to be exposed through the display 301 .
  • the camera module 305 , the sensor module 304 , or the indicator communicates with the external environment from the internal space of the electronic device 300 through the perforated opening or transmission area to the front plate 302 of the display 301 . It can be arranged so as to be in contact.
  • the area where the display 301 and the camera module 305 face each other may be formed as a transparent area having a predetermined transmittance as a part of an area displaying content.
  • the transmission region may be formed to have a transmittance in a range of about 5% to 20%.
  • a transmission area may include an area overlapping an effective area (eg, an angle of view area) of the camera module 305 through which light for generating an image by being imaged by an image sensor passes.
  • the transmissive area of the display 301 may include an area having a lower pixel density than the surrounding area.
  • the transmissive area may replace the opening.
  • the camera module 305 may include an under display camera (UDC).
  • UDC under display camera
  • some sensor modules 304 may be arranged to perform their functions without being visually exposed through the front plate 302 in the internal space of the electronic device 300 .
  • the area of the display 301 facing the sensor module may not need a perforated opening.
  • FIG. 4 is an exploded perspective view of an electronic device 400 according to various embodiments of the present disclosure.
  • the electronic device 400 of FIG. 4 is at least partially similar to the electronic device 101 of FIG. 1 or the electronic device 300 of FIGS. 3A and 3B , or includes another embodiment of the electronic device can do.
  • the electronic device 400 includes a side member 410 (eg, a side bezel structure), a first support member 411 (eg, a bracket or a support structure), and a front plate 420 (eg: a side bezel structure). front cover), display 430 , printed circuit board 440 , battery 450 , second support member 460 (eg, rear case), antenna 470 (eg, flexible printed circuit board (FPCB)) , and a rear plate 480 (eg, a rear cover).
  • the electronic device 400 may omit at least one of the components (eg, the first support member 411 or the second support member 460 ) or additionally include other components. .
  • At least one of the components of the electronic device 400 may be the same as or similar to at least one of the components of the electronic device 300 of FIGS. 3A and 3B , and overlapping descriptions will be omitted below.
  • the first support member 411 may be disposed inside the electronic device 400 and connected to the side member 410 , or may be integrally formed with the side member 410 .
  • the first support member 411 may be formed of, for example, a metal material and/or a non-metal (eg, polymer) material.
  • the first support member 411 may have a display 430 coupled to one surface and a printed circuit board 440 coupled to the other surface.
  • Printed circuit board 440 includes a processor (eg, processor 120 in FIG. 1 ), memory (eg, memory 130 in FIG. 1 ), and/or an interface (eg, interface 177 in FIG. 1 ). can be mounted
  • the processor may include, for example, one or more of a central processing unit, an application processor, a graphics processing unit, an image signal processor, a sensor hub processor, or a communication processor.
  • the memory may include, for example, a volatile memory (eg, the volatile memory 132 of FIG. 1 ) or a non-volatile memory (eg, the non-volatile memory 134 of FIG. 1 ).
  • a volatile memory eg, the volatile memory 132 of FIG. 1
  • a non-volatile memory eg, the non-volatile memory 134 of FIG. 1
  • the interface may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, and/or an audio interface.
  • HDMI high definition multimedia interface
  • USB universal serial bus
  • the interface may, for example, electrically or physically connect the electronic device 400 to an external electronic device, and may include a USB connector, an SD card/MMC connector, or an audio connector.
  • Battery 450 (eg, battery 189 in FIG. 1 ) is a device for supplying power to at least one component of electronic device 400 , for example, a non-rechargeable primary cell, or a rechargeable battery 2 It may include a car battery or a fuel cell. At least a portion of the battery 450 may be disposed substantially on the same plane as the printed circuit board 440 , for example. The battery 450 may be integrally disposed inside the electronic device 400 . In another embodiment, the battery 450 may be detachably disposed from the electronic device 400 .
  • the antenna 470 may be positioned between the rear plate 480 and the second support member 460 (eg, attached to the rear plate 480 ).
  • the antenna 470 may include a magnetic secure transmission (MST) antenna, a near field communication (NFC) antenna, and/or a wireless charging antenna.
  • MST magnetic secure transmission
  • NFC near field communication
  • the antenna 470 may, for example, perform short-range communication with an external electronic device or wirelessly transmit/receive power required for charging.
  • an antenna structure may be formed by a part of the side bezel structure 410 and/or the first support member 411 or a combination thereof.
  • the antenna 470 may include a plurality of terminals to which heterogeneous measurement signal lines (eg, a first measurement signal line and a second measurement signal line) are connected.
  • the plurality of terminals may be disposed adjacent to a power receiving coil included in the antenna 470 .
  • a plurality of terminals to which different types of measurement signal lines are connected may be disposed in an outer region, an inner region, and/or a central region of the power receiving coil.
  • a plurality of terminals to which different types of measurement lines are connected are at a temperature and/or temperature for an area of a power receiving coil corresponding to an arranged position. It can be used to measure the voltage value.
  • FIG. 5A is a diagram 500 schematically illustrating an operation in which the power transmitting device 510 charges the power receiving device 520 according to various embodiments of the present disclosure.
  • the power transmitter 510 may charge the power receiver 520 by wirelessly transmitting power.
  • the power receiving device 520 eg, the battery 189 of FIG. 1
  • the power transmitting device 510 wirelessly transmits power to receive power.
  • Battery 189 of device 520 may be charged.
  • the power receiving device 520 of FIG. 5A includes the electronic device 101 of FIG. 1 , the electronic device 300 of FIGS. 3A and 3B , and/or the electronic device 400 of FIG. 4 .
  • the power receiving device 520 may include at least one of a smart phone, a wearable device (eg, a watch), a tablet, and a wireless earphone.
  • the power transmitter 510 may be the same as or similar to the power receiver 520 .
  • the power transmission device 510 may include a wireless charging pad, a tablet, or a smart phone.
  • the power transmission device 510 may be implemented by at least one of the electronic devices 101 , 102 , and/or 104 illustrated in FIG. 1 .
  • the power transmission device 510 may include at least one or more of the components of the electronic device 101 illustrated in FIG. 1 .
  • the power transmitting device 510 is in a state in which the power receiving device 520 waits for charging, the power receiving device 520 is disposed (eg, adjacent to or in contact with) on the upper portion of the housing 504 . that can be detected
  • the upper portion of the housing 504 of the power transmission device 510 is adjacent to the coil for wireless charging (eg, the power transmission coil 511k of FIG. 5B ) or the direction in which the magnetic force of the coil for wireless charging is transmitted. It can mean the side in
  • the power transmission device 510 periodically or at a specified time a first ping (ping) signal (eg, one of the analog ping signal, Q ping signal, or digital ping signal) to the coil for wireless charging may be transmitted, and whether the power receiving device 520 is adjacent to or in contact with the power transmitting device 510 may be checked through a first ping signal.
  • the power receiver 520 transmits power to a feedback signal (eg, a response signal, identification information, configuration information, and/or a signal strength packet (SSP) signal) in response to the first ping signal transmitted from the power transmitter 510 . It can transmit to the transmitting device 510 .
  • a feedback signal eg, a response signal, identification information, configuration information, and/or a signal strength packet (SSP) signal
  • the Q ping signal is a type of analog ping signal and detects a change in a signal applied to the coil of the power transmitter 310 (eg, at least one of current, voltage, or frequency) to match the resonance point of the coil. can be checked.
  • a signal applied to the coil of the power transmitter 310 eg, at least one of current, voltage, or frequency
  • the power transmitting device 510 based on a first ping signal for determining whether the power receiving device 520 is disposed on the upper portion of the housing 504, the power transmitting device ( The presence or absence of an object (eg, a power receiving device, a metal) disposed on the housing 504 of the 510 may be checked. For example, the power transmitting device 510 checks a change in electrical energy (eg, current or voltage) measured when the first ping signal is transmitted, and based on the confirmed change in electrical energy, the power receiving device It can be checked whether the arrangement (eg, existence) of the 520 is present. When the existence of the power receiver 520 is confirmed, the power transmitter 510 may adjust at least some of a plurality of parameters related to the first ping signal.
  • a change in electrical energy eg, current or voltage
  • a guide eg, an indicator
  • a position eg, a position of a coil or a chargeable position where the power receiving device 502 is to be disposed.
  • 5B is a diagram 530 schematically illustrating a wireless charging environment of the power transmitting device 510 and the power receiving device 520 according to various embodiments of the present disclosure.
  • the power transmitter 510 may include the power transmitter 510 illustrated in FIG. 5A .
  • the power receiving device 520 includes the electronic device 101 shown in FIG. 1 , the electronic device 300 shown in FIGS. 3A and 3B , the electronic device 400 shown in FIG. 4 , and/or the power receiving device shown in FIG. 5A . 520 may be included.
  • the power transmitting device 510 wirelessly transmits power to the power receiving device 520 when the power receiving device 520 is disposed on the housing (eg, the housing 504 of FIG. 5A ). of the battery 521e can be charged.
  • the power transmitter 510 may include a power transmitter 511 , a control circuit 512 , a communication circuit 513 , and/or a sensing circuit 514 .
  • the power transmitter 511 may receive power from an external power source (eg, commercial power, an auxiliary battery device, a laptop computer, a desktop computer, or a smart phone).
  • an external power source eg, commercial power, an auxiliary battery device, a laptop computer, a desktop computer, or a smart phone.
  • the power transmitter 511 may include a power adapter 511a , a power generation circuit 511b , a matching circuit 511c , and/or a power transmission coil 511k .
  • the power adapter 511a may convert a voltage of power input from an external power source (eg, travel adapter, TA).
  • the power generation circuit 511b may generate power required for power transmission from the converted voltage.
  • the matching circuit 511c may improve efficiency between the power transmitting coil 511k and the power receiving coil 521k of the power receiving device 520 .
  • the power transmitter 511 wirelessly transmits power to the plurality of power receiving devices 520 , the power adapter 511a , the power generating circuit 511b , the matching circuit 511c , Alternatively, at least one of the power transmission coils 511k may be included in plurality.
  • the power transmission coil 511k may include a plurality of coils grouped in the same layer and/or different layers.
  • the power transmitter 510 may select some of a plurality of coils disposed on the same layer and/or different layers to charge the power receiver 520 .
  • control circuit 512 may perform overall control for transmitting power through the power transmitting device 510 .
  • the control circuit 512 may be operatively connected to the power transmitter 511 , the communication circuit 513 , and/or the sensing circuit 514 .
  • the control circuit 512 may generate various messages required for wireless power transmission and transmit it to the communication circuit 513 .
  • the control circuit 512 may calculate power (or amount of power) to be transmitted to the power transmitter 510 based on information received from the power receiver 520 through the communication circuit 513 .
  • the control circuit 512 may control the power transmitter 511 to transmit the calculated power to the power receiver 520 through the power transmitter coil 511k.
  • the communication circuit 513 may include at least one of a first communication circuit 513a or a second communication circuit 513b.
  • the first communication circuit 513a uses the same frequency as the frequency used for wireless power transmission in the power transmission coil 511k or a frequency in a band adjacent to the frequency used for wireless power transmission, the power receiving device 520 . communication with the first communication circuit 523a (eg, in-band communication in which a power signal or a communication signal is transmitted using the power transmission coil 511k).
  • the second communication circuit 513b communicates with the second communication circuit 523b of the power receiving device 520 by using a frequency different from the frequency used for wireless power transmission in the power transmission coil 511k (eg, in FIG. 1 of the antenna module 197 may be used for out-band communication for transmitting a communication signal).
  • the second communication circuit 513b is, for example, Bluetooth (bluetooth), Bluetooth low energy (bluetooth low energy, BLE), Wi-Fi (wi-fi), or near field communication (near field communication, NFC) at least one of Available.
  • the communication circuit 513 provides information about the charging state of the power receiving device 520 from the communication circuit 523 of the power receiving device 520 (eg, rectified voltage Vrec information, and a current Iout flowing through the rectifying circuit). information, various packets, or messages).
  • the sensing circuit 514 may include at least one sensor, and use at least one sensor for the power transmission device 510 . State can be detected.
  • the sensing circuit 514 may include at least one of a temperature sensor, a motion sensor, a proximity sensor, or a current (or voltage) sensor.
  • the temperature sensor may detect a temperature state of the power transmitter 510 .
  • the motion sensor may detect a motion state of the power transmitter 510 .
  • the proximity sensor may detect a specific object (eg, a power receiving device 520 or a metal object other than the power receiving device 520 ) in proximity and/or in contact with the upper portion of the housing 504 of the power transmitting device 510 .
  • the current sensor (or voltage) may detect an output signal state (eg, at least one of a current level, a voltage level, or a power level) of the power transmitter 510 .
  • the current (or voltage) sensor may measure a signal to the power transmitter 511 .
  • the current (or voltage) sensor may measure a signal for at least a partial region of the matching circuit 511c and the power generating circuit 511b.
  • the current (or voltage) sensor may include a circuit for measuring a signal for the front end of the power transmission coil 511k.
  • a current (or voltage) sensor may detect a current (voltage) supplied to a power generating circuit, eg, an inverter.
  • the sensing circuit 514 may be an external object (eg, metal) other than the power receiver 520 or the power receiver 520 disposed on the housing 504 of the power transmitter 510 . can be detected.
  • an external object eg, metal
  • the power transmitter 510 may include a display (not shown).
  • the power transmitting device 510 uses a display to provide various information related to wireless charging (eg, information about the charging state of the power transmitting device 510 , information about the charging state of the power receiving device 520 , and the power receiving device ( 520) or information about the detection of an external object (eg, metal)) may be displayed.
  • the power receiving device 520 when the power receiving device 520 is disposed on the housing 504 of the power transmitting device 510 , it may wirelessly receive power from the power transmitting device 510 .
  • the power receiver 520 includes a power receiver 521 , a control circuit 522 , a communication circuit 523 , at least one sensor 524 , and/or a display (eg, the display of FIG. 1 ). module 160).
  • a description of components corresponding to the aforementioned power transmitter 510 may be omitted.
  • the power receiving unit 521 includes a power receiving coil 521k that wirelessly receives power from the power transmitting device 510 (eg, a power transmitting coil 511k), a matching circuit 521a, and the received AC. a rectifying circuit 521b for rectifying power to DC, a regulating circuit 521c for regulating the charging voltage, a switching circuit 521d, and/or a battery 521e (eg, battery 189 in FIG. 1 ).
  • a power receiving coil 521k that wirelessly receives power from the power transmitting device 510 (eg, a power transmitting coil 511k), a matching circuit 521a, and the received AC.
  • a rectifying circuit 521b for rectifying power to DC
  • a regulating circuit 521c for regulating the charging voltage
  • switching circuit 521d eg, battery 189 in FIG. 1
  • a battery 521e eg, battery 189 in FIG. 1
  • control circuit 522 may perform overall control related to wireless power reception (or wireless charging) of the power reception device 520 .
  • the control circuit 522 may generate various messages related to wireless charging and transmit it to the communication circuit 523 .
  • the communication circuit 523 may include at least one of a first communication circuit 523a or a second communication circuit 523b.
  • the first communication circuit 523a may communicate with the first communication circuit 513a of the power transmission device 510 using the power reception coil 521k.
  • the second communication circuit 523b may communicate with the second communication circuit 513b of the power transmission device 510 using at least one of Bluetooth, low-power Bluetooth, Wi-Fi, and short-range wireless communication.
  • the at least one sensor 524 may include at least one of a current (or voltage) sensor, a temperature sensor, a proximity sensor, an ambient light sensor, or an acceleration sensor.
  • the at least one sensor 524 includes information on a current and/or voltage (eg, voltage Vrec) rectified in the rectifying circuit 521b and a current Iout flowing in the rectifying circuit 521b through the circuit path of the power receiver 521 . ) information) can be sensed.
  • a current and/or voltage eg, voltage Vrec
  • the display (eg, the display module 160 of FIG. 1 ) may display various information related to wireless power reception (or wireless charging).
  • the power transmitting device 510 when the power transmitting device 510 is the same or similar electronic device (eg, a smart phone) as the power receiving device 520 , the power transmitting device 510 includes the same components as the power receiving device 520 . may include.
  • FIG. 6 is a block diagram 600 illustrating an apparatus for receiving power 520 according to various embodiments.
  • the power receiving device 520 includes a communication circuit 605 (eg, the communication module 190 of FIG. 1 , the communication circuit 523 of FIG. 5B ), a memory 610 (eg, FIG. 1 ). of the memory 130), the sound output unit 615 (eg, the sound output module 155 of FIG. 1), the sensor circuit 620 (eg, the sensor module 176 of FIG. 1, at least one of the sensor 524 ), touch screen display 630 (eg, display module 160 in FIG. 1 ), measurement unit 640 , power receiver 650 , and/or processor 660 (eg, in FIG. 1 ).
  • the processor 120 the control circuit 522 of FIG. 5B ).
  • the power receiving device 520 may include the electronic device 101 of FIG. 1 , the electronic device 300 of FIGS. 3A and 3B , and/or the electronic device 400 of FIG. 4 . .
  • the communication circuit 605 (eg, the communication module 190 of FIG. 1 , the communication circuit 523 of FIG. 5B ) is a power transmission device (eg, the power transmission device 510 of FIG. 5B ). Wireless communication may be performed with a communication circuit (eg, the communication circuit 513 of FIG. 5B ).
  • the communication circuit 605 may include the communication module 190 of FIG. 1 and/or the communication circuit 523 of FIG. 5B .
  • the communication circuit 605 may include at least one of the first communication circuit 523a and the second communication circuit 523b illustrated in FIG. 5B .
  • the first communication circuit 523a uses a power reception coil (eg, the power reception coil 521k of FIG.
  • the second communication circuit 523b is a power transmission device using at least one of Bluetooth (bluetooth), Bluetooth low energy (BLE), Wi-Fi, and near field communication (NFC). It may communicate with the second communication circuit of 510 (eg, the second communication circuit 513b of FIG. 5B ).
  • the memory 610 (eg, the memory 130 of FIG. 1 ) is a program (eg, the program 140 of FIG. 1 ) for processing and controlling the processor 660 of the power receiving device 520 . ), an operating system (OS) (eg, the operating system 142 of FIG. 1 ), various applications, and/or a function of storing input/output data, and controls the overall operation of the power receiving device 520 .
  • program can be stored.
  • the memory 610 may store various configuration information required when the power receiving device 520 processes functions related to various embodiments of the present invention.
  • the memory 610 provides instructions for controlling the power wirelessly received from the power transmitter 510 based on the temperature of each terminal and/or the voltage value according to the temperature of each terminal. ) can be stored.
  • the memory 610 is disposed adjacent to the power receiving coil (eg, the power receiving coil 521k of FIG. 5B ), and of each terminal to which heterogeneous measurement signal lines (eg, a first measurement signal line and a second measurement signal line) are connected.
  • the power receiver 520 may store instructions for determining (or confirming) that the power transmitter 510 is in an unaligned state.
  • the memory 610 may store instructions for providing a notification when it is confirmed that the power receiving device 520 is not aligned with the top of the power transmitting device 510 .
  • the sound output unit 615 (eg, the sound output module 155 of FIG. 1 ) outputs various information related to wireless power reception and/or wireless charging of the power receiving device 520 through sound. can do.
  • the sound output unit 615 may output content based on text displayed through the user interface through sound.
  • sensor circuitry 620 may include an acceleration sensor, a geomagnetic sensor, a gyro sensor, and/or a proximity sensor. may include.
  • the sensor circuit 620 eg, an acceleration sensor, a geomagnetic sensor, a gyro sensor, and/or a proximity sensor
  • the sensor circuit 620 may include motion information (eg, movement direction information of the power receiving device 520 and/or a proximity sensor) of the power receiving device 520 .
  • slope information of the power receiving device 520 may be obtained.
  • the obtained motion information of the power receiving device 520 is used to determine whether the power receiving device 520 has moved to arrange the power transmitting device 510 in an unaligned state on top of the power transmitting device 510 . can be
  • the touch screen display 630 (eg, the display module 160 of FIG. 1 ) is related to wireless power reception and/or wireless charging of the power receiving device 520 under the control of the processor 660 .
  • a user interface including various information may be displayed.
  • the user interface may include a user interface for a charging state of the power receiver 520 and a user interface for a state in which the power receiver 520 is non-aligned on top of the power transmitter 510 .
  • the measurement unit 640 may be configured to measure a voltage according to a temperature of each of a plurality of terminals to which different types of measurement lines (eg, a first signal measurement line and a second signal measurement line) are connected and/or a temperature of each terminal. value can be checked.
  • the measurement unit 640 may transmit the temperature of each of the plurality of terminals and/or the voltage value according to the temperature of each terminal to the processor 660 .
  • the power receiver 650 may charge a battery (eg, the battery 189 of FIG. 1 and the battery 521e of FIG. 5B ) using power wirelessly received from the power transmitter 510 .
  • a battery eg, the battery 189 of FIG. 1 and the battery 521e of FIG. 5B .
  • the processor 660 may charge the battery using power wirelessly received from the power transmitter 510 .
  • the processor 660 is disposed adjacent to the power receiving coil (eg, the power receiving coil 521k of FIG. 5B ), and a plurality of terminals to which different types of measurement signal lines (eg, a first measurement signal line and a second measurement signal line) are connected. You can check the temperature of each of them.
  • the processor 660 may control power received wirelessly based on the temperature of each of the plurality of terminals exceeding a specified temperature. For example, the processor 660 may transmit a signal requesting power control to the power transmitter 510 .
  • the processor 660 may check the voltage values of the plurality of terminals, and based on this, check whether the voltage values of the plurality of terminals are the same.
  • the operation of determining whether the voltage values of the plurality of terminals are the same is an operation performed to determine whether the power receiving device 520 is in a state in which the power receiving device 520 is in a non-aligned state on the top of the power transmitting device 510 .
  • the processor 660 determines that the power receiving device 520 is in a non-aligned state on the top of the power transmitting device 510 , and displays a notification therefor ( 631 ) and/or output through the sound output unit 615 . If the voltage values of the plurality of terminals are the same, the processor 660 determines that the power receiving device 520 is arranged to be aligned on the top of the power transmitting device 510 , and receives the power wirelessly from the power transmitting device 510 . power can be controlled.
  • the power receiving device 520 includes a power receiving unit 650 including a power receiving coil 521k, a plurality of terminals disposed adjacent to the power receiving coil 521k, and the plurality of terminals.
  • a first measurement signal line and a second measurement signal line connected to each other, a measurement unit 640 for checking the temperatures of the plurality of terminals, and the power receiver 650, the plurality of terminals, the first measurement signal line, and the first measurement signal line 2 measurement signal lines, and a processor 660 operatively connected to the measurement unit 640 , wherein the processor 660 wirelessly receives power from the power transmission device 510 through the power reception unit 650 .
  • the processor 660 wirelessly receives power from the power transmission device 510 through the power reception unit 650 .
  • based on receiving, checking the temperature of each of the plurality of terminals received through the measuring unit 640, and confirming that the temperature of at least one terminal among the plurality of terminals exceeds a specified temperature may be set to control the power received wirelessly.
  • the first measurement signal line may be formed of the same material as the power receiving coil 521k.
  • the second measurement signal line may be formed of a material different from that of the first measurement signal line.
  • each of the plurality of terminals may be disposed in an outer region, an inner region, and/or a central region of the power receiving coil 521k.
  • the processor 660 may be configured based on a temperature difference between each of the plurality of terminals to which the first measurement signal line and the second measurement signal line are connected through the measurement unit 640 and a terminal of the measurement unit Thus, it may be set to check the voltage value of each terminal.
  • the processor 660 may be configured to analyze a voltage level based on a voltage value of each terminal, and to check a temperature of each of the plurality of terminals corresponding to the voltage level .
  • the processor 660 determines whether the power receiving device 520 is in a state in which the power receiving device 520 is in a non-aligned state on the top of the power transmitting device 510 based on the voltage value of each terminal. It can be set to check.
  • the processor 660 may be configured to cause the power receiving device 520 to be configured to be configured by the power receiving device 520 based on a voltage value of at least one terminal among the voltage values of the plurality of terminals exceeding a specified voltage value. It may be set to check that the power transmitter 510 is in a non-aligned upper part.
  • the processor 660 compares the voltage values of each of the plurality of terminals, and based on the comparison result, at least one terminal of the plurality of terminals is different from the at least one terminal When it has a different voltage value from , it may be set to check that the power receiving device 520 is in a state in which the power receiving device 520 is arranged unaligned on the top of the power transmitting device 510 .
  • the processor 660 is, based on a determination that the power receiver 520 is unalignedly disposed on the power transmitter 510, the power receiver 520 ) may be set to output a guide for arranging to be aligned on the top of the power transmitter 510 .
  • FIG. 7 illustrates a plurality of terminals to which the power receiving coil 720 provided in the power receiving device 520 and the first measurement signal line 730 and the second measurement signal line 740 are connected, according to various embodiments.
  • Figure 700 illustrates a plurality of terminals to which the power receiving coil 720 provided in the power receiving device 520 and the first measurement signal line 730 and the second measurement signal line 740 are connected, according to various embodiments.
  • Figure 700 illustrates a plurality of terminals to which the power receiving coil 720 provided in the power receiving device 520 and the first measurement signal line 730 and the second measurement signal line 740 are connected, according to various embodiments.
  • Figure 700 illustrates a plurality of terminals to which the power receiving coil 720 provided in the power receiving device 520 and the first measurement signal line 730 and the second measurement signal line 740 are connected, according to various embodiments.
  • Figure 700 illustrates a plurality of terminals to which the power receiving coil 720 provided in the power receiving device 520 and the first measurement signal line 730 and the
  • the power receiving apparatus may include an antenna structure 701 (eg, the antenna 470 of FIG. 4 ).
  • the antenna structure 701 may include a dielectric substrate 702 and at least one coil member disposed on the dielectric substrate 702 .
  • At least one coil member, the coil 710 and the power receiving coil 720 (eg, the power receiving coil of FIG. 5B ) for transmitting and/or receiving a signal of a frequency band designated to be used for NFC communication 521k)).
  • the power receiving coil 720 may include a coil supporting wireless charging.
  • the power receiving coil 720 may transmit and/or receive power in a frequency band corresponding to a wireless power consortium (WPC) standard.
  • WPC wireless power consortium
  • the power receiving coil 720 may transmit power wirelessly received from a power transmitting device (eg, the power transmitting device 510 of FIG. 5A ) to a battery (eg, the battery 521e of FIG. 5B ).
  • the at least one coil member may include a coil supporting MST communication.
  • the antenna structure 701 includes a connector portion (not shown) disposed to extend at least one coil 710 ( 710a , 710b , 720 ( 720a , 720b ) through a dielectric substrate 702 ). can do.
  • the connector unit (not shown) may be electrically connected to a second support member (eg, the second support member 460 of FIG. 4 ).
  • the antenna structure 701 includes a plurality of terminals (eg, a first terminal 705a, a second terminal) to which the first measurement signal line 730 and the second measurement signal line 740 are connected (eg, bonded). terminal 705b, third terminal 705c, and/or fourth terminal 705d).
  • the first measurement signal line 730 and the second measurement signal line 740 may be formed of different materials.
  • the first measurement signal line 730 may be formed of the same material as the power receiving coil 720 .
  • the second measurement signal line 740 may be formed of a material different from that of the first measurement signal line 730 .
  • each of the first measurement signal line 730 and the second measurement signal line 740 may be connected to a measurement unit (eg, the measurement unit 640 of FIG. 6 ).
  • the measurement unit 640 includes a plurality of terminals (eg, a first terminal 705a, a second terminal 705b, and a third terminal 705c) to which the first measurement signal line 730 and the second measurement signal line 740 are connected.
  • the fourth terminal 705d may be disposed at a location different from the disposed location.
  • a plurality of terminals may be disposed adjacent to the power receiving coil 720 .
  • a plurality of terminals eg, a first terminal 705a , a second terminal 705b , a third terminal 705c , and/or a plurality of terminals to which the first measurement signal line 730 and the second measurement signal line 740 are connected
  • the fourth terminal 705d may be disposed in an outer region, an inner region, and/or a central region of the power receiving coil 720 .
  • a plurality of terminals (eg, the first terminal 705a) to which the first measurement signal line 730 and the second measurement signal line 740 are connected.
  • the second terminal 705b, the third terminal 705c, and/or the fourth terminal 705d) may be used to measure a temperature for an area of the power receiving coil 720 corresponding to the disposed position.
  • the first terminal 705a may be disposed in a first region (eg, upper-left region) of the dielectric substrate 702 , and may be connected to the first region (eg, upper-left region) of the power receiving coil 720 .
  • temperature can be measured.
  • the second terminal 705b may be disposed in a second region (eg, an upper-right region) of the dielectric substrate 702 , and controls the temperature of the second region (eg, an upper-right region) of the power receiving coil 720 .
  • the third terminal 705c may be disposed in a third region (eg, a lower left region) of the dielectric substrate 702 , and controls the temperature of the third region (eg, a lower left region) of the power receiving coil 720 .
  • the fourth terminal 705d may be disposed in a fourth region (eg, a lower right region) of the dielectric substrate 702 , and controls the temperature of the fourth region (eg, a lower right region) of the power receiving coil 720 . can be measured
  • Positions eg, upper left of the dielectric substrate 702 where the first terminal 705a , the second terminal 705b , the third terminal 705c , and the fourth terminal 705d are disposed according to various embodiments
  • the side region, the upper right region, the lower left region, and the lower right region) and the number of terminals are only one embodiment and are not limited thereto.
  • the measurement unit 640 is configured by each terminal from each terminal (eg, the first terminal 705a, the second terminal 705b, the third terminal 705c, or the fourth terminal 705d).
  • the measured temperature of the region of the power receiving coil 720 eg, the first region, the second region, the third region, and the fourth region of the power receiving coil 720 may be received.
  • the measuring unit 640 is configured to include a region of the power receiving coil 720 received from each terminal (eg, a first region, a second region, a third region, and a fourth region of the power receiving coil 720 ). ) may be transmitted to a processor (eg, the processor 660 of FIG. 6 ). The processor 660 may check the temperature in the corresponding area of the power receiving coil 720 measured through each terminal. When it is confirmed that the temperature in the corresponding region of the power receiving coil 720 measured through each terminal exceeds the specified temperature, the processor 660 may control the power wirelessly received from the power transmitting device 510 . . For example, the power receiving device 520 may transmit a signal requesting power control to the power transmitting device 510 .
  • a region of the power receiving coil 720 received from each terminal eg, a first region, a second region, a third region, and a fourth region of the power receiving coil 720 ).
  • the processor 660 may check the temperature in the corresponding area of the power receiving coil
  • the processor 660 may continuously perform an operation of charging the battery 521e using power wirelessly received from the power transmitter 510 .
  • the power receiving device 520 does not include a separate thermistor, but uses heterogeneous signal measuring lines (eg, the first signal measuring line 730 and the second 2) Based on the temperature of each of the plurality of terminals to which the signal measuring line 740) is connected and/or the voltage value according to the temperature of each terminal, the heating state of the power receiving device 520 according to wireless charging can be immediately checked have. It is possible to quickly control the charging current by immediately checking the heating state of the power receiving device 520 .
  • heterogeneous signal measuring lines eg, the first signal measuring line 730 and the second 2
  • a plurality of terminals (eg, the first terminal 705a ) to which the first measurement signal line 730 and the second measurement signal line 740 are connected. ), the second terminal 705b, the third terminal 705c, and/or the fourth terminal 705d) measure a voltage value according to the temperature of the region of the power receiving coil 720 corresponding to the disposed position.
  • the voltage value of each terminal is measured with each of a plurality of terminals (eg, the first terminal 705a , the second terminal 705b , the third terminal 705c , and/or the fourth terminal 705d ). It may be measured based on the temperature difference between the terminals of the unit 640 .
  • the measurement unit 640 is configured by each terminal from each terminal (eg, the first terminal 705a, the second terminal 705b, the third terminal 705c, or the fourth terminal 705d).
  • a voltage value according to the temperature of the measured region of the power receiving coil 720 eg, the first region, the second region, the third region, and the fourth region of the power receiving coil 720 may be received.
  • the measuring unit 640 is configured to include a region of the power receiving coil 720 received from each terminal (eg, a first region, a second region, a third region, and a fourth region of the power receiving coil 720 ). ) may be transferred to a processor (eg, the processor 660 of FIG. 6 ). The processor 660 may determine whether the power receiving device 520 is in a state in which the power receiving device 520 is not arranged on the top of the power transmitting device 510 based on the voltage value of each terminal.
  • a processor eg, the processor 660 of FIG. 6
  • the state in which the power receiving device 520 is disposed in an unaligned upper part of the power transmitting device 510 is a power receiving coil of the power receiving device 520 (eg, the power receiving coil 521k of FIG. 5B ). It may include a state in which the alignment position of the power transmission coil of the power transmission device 510 (eg, the power transmission coil 511k of FIG. 5B ) is misaligned.
  • the power receiving device 520 when the power receiving device 520 wirelessly receives power from the power transmitting device 510 in a state in which the power receiving device 520 is non-aligned on top of the power transmitting device 510 , the power receiving device 520 by an eddy current heat may be generated.
  • the temperature of each terminal measured in each region of the power receiving coil 720 may be different.
  • the voltage value of each terminal may also be different.
  • the processor 660 may determine that the power receiving device 520 is unalignedly disposed above the power transmitting device 510 .
  • the power receiving device 520 when the power receiving device 520 determines that the power receiving device 520 is unalignedly disposed on the top of the power transmitting device 510 , the power receiving device 520 is the power transmitting device 510 . ) may be output to a display (eg, the display 631 of FIG. 6 ) for a notification indicating that it is in a non-aligned state.
  • a display eg, the display 631 of FIG. 6
  • the processor 660 determines a direction for arranging the power receiving device 520 in an aligned state on top of the power transmitting device 510 based on the voltage value of each terminal, and A user interface including a guide for information may be output on the display 631 .
  • the state in which the power receiving device 520 is arranged on the top of the power transmitting device 510 is the power receiving coil (eg, the power receiving coil 521k of FIG. 5B ) and the power transmitting device of the power receiving device 520 .
  • the power transmission coil of 510 eg, the power transmission coil 511k of FIG. 5B
  • the power receiving device 520 for the state in which the power receiving device 520 , which is checked based on the voltage values of each of the plurality of terminals to which the different signal measurement lines are connected, is unalignedly disposed on the top of the power transmitting device 510 , A notification is provided, and the user may arrange the power receiving device 520 to be aligned with the power transmitting device 510 . Accordingly, the heating performance of the power receiving device 520 may be improved, and the charging time of the power receiving device 520 may be prevented from being prolonged.
  • a plurality of terminals (eg, a first terminal 705a, a second terminal 705b, a third terminal ( 705c) and/or the fourth terminal 705d) have been described as being disposed on the outer region of the power receiving coil 720, but the present invention is not limited thereto.
  • the plurality of terminals to which the first measurement signal line 730 and the second measurement signal line 740 are connected may be disposed in an inner region and/or a central region of the power receiving coil 720 .
  • each of the plurality of terminals to which the first measurement signal line 730 and the second measurement signal line 740 are connected is disposed in an inner region and/or a central region of the power receiving coil 720 Accordingly, various embodiments will be described with reference to FIG. 8 to be described later.
  • FIG. 8 is a diagram illustrating a plurality of terminals to which a power receiving coil 720 and a first measurement signal line 730 and a second measurement signal line 740 provided in the power receiving device 520 are connected, according to various embodiments.
  • Figure 800 is a diagram illustrating a plurality of terminals to which a power receiving coil 720 and a first measurement signal line 730 and a second measurement signal line 740 provided in the power receiving device 520 are connected, according to various embodiments.
  • Figure 800 is a diagram illustrating a plurality of terminals to which a power receiving coil 720 and a first measurement signal line 730 and a second measurement signal line 740 provided in the power receiving device 520 are connected, according to various embodiments.
  • Figure 800 is a diagram illustrating a plurality of terminals to which a power receiving coil 720 and a first measurement signal line 730 and a second measurement signal line 740 provided in the power receiving device 520 are connected, according to various embodiments.
  • Figure 800 is a diagram illustrating
  • a plurality of terminals to which the first measurement signal line 730 and the second measurement signal line 740 are connected are disposed compared to the antenna structure 701 of FIG. 7 described above. Only the positions are different, and other components are the same, so the description thereof may be replaced with FIG. 7 .
  • FIG. 8 In the description of FIG. 8, only a configuration different from that of FIG. 7 will be described.
  • the antenna structure 701 includes a plurality of terminals (eg, a first terminal) to which a first measurement signal line 730 and a second measurement signal line 740 are connected. 705a , a second terminal 705b , a third terminal 705c , and/or a fourth terminal 705d ).
  • a plurality of terminals eg, the first terminal 705a , the second terminal 705b , the third terminal 705c , and/or the fourth terminal 705d ) are connected to the inner region of the power receiving coil 720 . can be placed.
  • the power receiving coil 720 may have one or more patterns wound one or more times, and a plurality of terminals (eg, the first terminal 705a) to which the first measurement signal line 730 and the second measurement signal line 740 are connected. ), the second terminal 705b , the third terminal 705c , and/or the fourth terminal 705d ) may be disposed in a wound area of the power receiving coil 720 .
  • Each terminal eg, the first terminal 705a , the second terminal 705b , the third terminal 705c , or the fourth terminal 705d
  • a temperature and a voltage value according to the temperature may be measured, and this may be transmitted to the measurement unit 640 .
  • the antenna structure 701 includes a plurality of terminals (eg, a first terminal) to which the first measurement signal line 730 and the second measurement signal line 740 are connected. 855a, a second terminal 855b, a third terminal 855c, a fourth terminal 855d, and/or a fifth terminal 855e).
  • the first terminal 855a , the second terminal 855b , the third terminal 855c , and the fourth terminal 855d may be disposed outside the power receiving coil 720 .
  • a fifth terminal 855e among the plurality of terminals may be disposed in a central region of the power receiving coil 720 .
  • Each terminal receives power corresponding to the disposed position.
  • the temperature of the region of the coil 720 and the voltage value according to the temperature may be measured, and this may be transmitted to the measuring unit 640 .
  • FIG. 9 is a flowchart 900 for explaining a method of measuring the temperature of the power receiving device 520, according to various embodiments.
  • the power receiving device receives power wirelessly from the power transmitting device (eg, the power transmitting device 510 of FIG. 5A ). It can be used to charge a battery (eg, the battery 521e of FIG. 5B ).
  • the power receiving device 520 is disposed adjacent to the power receiving coil (eg, the power receiving coil 720 of FIG. 7 ) in operation 920 , and a first measurement signal line (eg, the first measurement signal line of FIG. 7 )
  • a first measurement signal line eg, the first measurement signal line of FIG. 7
  • Each of the plurality of terminals to which the measurement signal line 730) and the second measurement signal line (eg, the second measurement signal line 740 of FIG. 7) are connected eg, the first terminal of reference numeral ⁇ 810> in FIGS. 7 and 8) 705a, second terminal 705b, third terminal 705c, and/or fourth terminal 705d, first terminal 855a, second terminal 855b of reference numeral ⁇ 850> of FIG. , the temperature of the third terminal 855c, the fourth terminal 855d, and/or the fifth terminal 855e) may be checked.
  • the first measurement signal line 730 and the second measurement signal line 740 may be formed of different materials.
  • the first measurement signal line 730 may be formed of the same material as the power receiving coil 720 .
  • the second measurement signal line 740 may be formed of a material different from that of the first measurement signal line 730 .
  • each of the plurality of terminals to which the first measurement signal line 730 and the second measurement signal line 740 are connected is an outer region (eg, see FIG. 7 ) and an inner region (eg, see FIG. 7 ) of the power receiving coil 720 .
  • the power receiving device 520 through each terminal disposed adjacent to the power receiving coil 720, the region of the power receiving coil 720 corresponding to the position where each terminal is disposed (eg, in FIG. 7 ) A temperature and/or a voltage value according to the temperature of the first region, the second region, the third region, and the fourth region of the power receiving coil 720 may be measured.
  • the internal temperature of the power receiving device 520 may increase.
  • An electromotive force (eg, voltage) may be generated by a temperature difference between each terminal to which the first signal measurement line 730 and the second signal measurement line 740 are connected and a terminal of the measurement unit 640 .
  • the power receiving device 520 may analyze the voltage level based on the generated electromotive force (eg, voltage).
  • the power receiver 520 may check the temperature of each of the plurality of terminals corresponding to the voltage level.
  • the power receiving apparatus 520 may control power received wirelessly based on the temperature of each of the plurality of terminals exceeding a specified temperature.
  • the power receiving apparatus 520 may control power received wirelessly based on the temperature of at least one terminal among the plurality of terminals exceeding a specified temperature.
  • the operation of controlling the power received wirelessly may include an operation of transmitting a signal requesting power control to the power transmission device 510 .
  • the power receiving device 520 charges the battery 521e using power wirelessly received from the power transmitting device 510 in operation 910 . You can continue to perform the action.
  • the power receiving device 520 includes heterogeneous signal measuring lines (eg, a first signal measuring line 730 and a second signal measuring line) disposed adjacent to the power receiving coil 720 . Based on the temperature of each of the plurality of terminals to which the 740 ) is connected, a heating state of the power receiving device 520 according to wireless charging may be checked. Accordingly, the power receiving device 520 may check the heating state of the power receiving device 520 and control the charging current without a separate thermistor. By controlling the charging current, heat generated in the power receiving device 520 may be rapidly reduced.
  • heterogeneous signal measuring lines eg, a first signal measuring line 730 and a second signal measuring line
  • FIG. 10 is a cross-sectional view 1000 of the power receiving device 520 as viewed along line A-A′ of FIG. 7 , according to various embodiments.
  • the antenna structure 1005 (eg, the antenna 470 of FIG. 4 , the antenna structure 701 of FIG. 7 ) has a first direction (eg, the z-axis direction) (or a first direction (eg:
  • the flat coil 1025 may have an axis substantially parallel to a second direction (eg -z-axis direction) opposite to the z-axis direction), and having one or more patterns wound at least once around the axis. (or spiral type).
  • the antenna structure 1005 may be disposed between a back plate (eg, the back plate 480 of FIG. 4 ) and a second support member (eg, the second support member 460 of FIG. 4 ). .
  • the antenna structure 1005 may be implemented as a multi-layered FPCB.
  • the coil 1025 included in the antenna structure 1005 may have a multi-layered structure, and the multi-layered coil may be connected through a via 1030 .
  • the first measurement signal line 1040 (eg, the first measurement signal line 730 of FIG. 7 ) and the second measurement signal line 1050 ) (eg, the second measurement signal line 740 of FIG. 7 ) may be disposed inside the antenna structure 1005 in a multi-layered structure.
  • the first measurement signal line 1040 and the second measurement signal line 1050 may be connected through a via 1030 .
  • the present invention is not limited thereto, and the antenna structure 1005 may be implemented as a single-layer FPCB.
  • At least one functional member 1020 for shielding may be disposed between the antenna structure 1005 and the second support member 460 .
  • the at least one functional member 1020 may include a heat dissipation sheet (eg, a graphite sheet) for dissipating heat.
  • the shielding sheet 1010 may be disposed between the at least one functional member 1020 and the second support member 460 .
  • the shielding sheet 1010 may shield noise generated by electromagnetic and/or operating frequency of the antenna structure 1005 .
  • the second shielding sheet 1010 may include a CU sheet.
  • FIG. 11 is a flowchart 1100 for explaining a method of confirming a state in which the power receiving device 520 is not aligned on the top of the power transmitting device 510 according to various embodiments of the present disclosure.
  • Operations of FIG. 11 may be additional operations of operation 930 of FIG. 9 described above.
  • the power receiving device receives a plurality of terminals (eg, a first terminal 705a , a second terminal 705b , and a third The voltage value of the terminal 705c and/or the fourth terminal 705d may be checked.
  • the power receiving device 520 includes a first measurement signal line (eg, the first measurement signal line 730 of FIG. 7 ) and a second measurement signal line (eg, of FIG. 7 ).
  • the voltage value of each terminal according to the temperature difference between each terminal to which the second measurement signal line 740 is connected and the terminal of the measurement unit (eg, the measurement unit 640 of FIG. 6 ) may be checked.
  • the power receiving apparatus 520 may determine whether voltage values of a plurality of terminals are the same.
  • operation 1120 of determining whether the voltage values of the plurality of terminals are the same may be an operation of determining whether the power receiving device 520 is in a state in which the power receiving device 520 is unalignedly disposed on the top of the power transmitting device 510 . .
  • the power receiving device 520 performs an upper portion of the power transmitting device 510 . It can be seen that they are arranged in an unaligned state.
  • the power receiving device 520 determines that the power receiving device 520 is the power transmitting device 510 . It can be confirmed that it is arranged unaligned on the upper part of the
  • a portion of the power transmitted from the power transmitter 510 is transferred to the power receiver ( Example: The power receiver 650 of FIG. 6 may not receive it. Power that cannot be received by the power receiver 650 of the power receiver 520 may become eddy current loss and may be dissipated as heat. Accordingly, a terminal disposed at a position corresponding to the center of the power transmission device 510 among the plurality of terminals (eg, the power transmission unit of the power transmission device 510 (eg, the power transmission unit 511 of FIG.
  • a temperature of the included power transmission coil (eg, a terminal disposed at a position corresponding to the power transmission coil 511k of FIG. 5B ) may be higher than a temperature of at least one other terminal.
  • the voltage value of the terminal disposed at the position corresponding to the center of the power transmission device 510 is also different at least It may be higher than the voltage value of one terminal.
  • the power receiving device 520 can be confirmed in a state in which the power receiving device 520 is arranged unaligned on the top of the power transmitting device 510 .
  • the power receiving device 520 confirms a state in which the power receiving device 520 is disposed unalignedly on the top of the power transmitting device 510 , but limited to this it is not
  • a reference voltage value for determining a state in which the power receiving device 520 is unaligned on the top of the power transmitting device 510 may be stored in a memory (eg, the memory 610 of FIG. 6 ). have.
  • the power receiving device 520 compares the voltage value of each terminal with the reference voltage value stored in the memory 610 , and when different, the power receiving device 520 is unaligned on the top of the power transmitting device 510 . It can be checked that it is in a very laid out state.
  • the power receiving device 520 determines that the power receiving device 520 is the power transmitting device ( A notification indicating a state in which the 510 is arranged unaligned may be output to the display (eg, the display 631 of FIG. 6 ).
  • the present invention is not limited thereto, and the power receiving device 520 sends a notification indicating a state in which the power receiving device 520 is unalignedly disposed on the top of the power transmitting device 510 by a sound output unit (eg, the sound of FIG. 6 ).
  • a sound may be output through the output unit 615) and/or vibration may be output through a haptic module (eg, the haptic module 179 of FIG. 1 ).
  • the power receiving apparatus 520 may identify a terminal having a high voltage value among a plurality of terminals.
  • operation 1140 described above may be an operation for confirming a direction for arranging the power receiving device 520 in an aligned state on top of the power transmitting device 510 .
  • the power receiving device 520 outputs a guide for arranging the power receiving device 520 to be aligned with the upper portion of the power transmitting device 510 based on a terminal having a high voltage value. can do. For example, the power receiving device 520 determines that the power transmitting coil of the power transmitting device 510 is present at a position corresponding to the terminal having a high voltage value, and the power transmitting coil of the power transmitting device 510 (eg: A direction for arranging the center of the power transmitting coil 511k of FIG. 5B ) and the center of the power receiving coil (eg, the power receiving coil 521k of FIG. 5B ) of the power receiving device 520 may be identified. The power receiver 520 may output to the display 631 a user interface including a guide for a direction for arranging the power receiver 520 in an aligned state on the top of the power transmitter 510 .
  • the power transmitting coil of the power transmitting device 510 eg: A direction for arranging the center of the power transmitting
  • the power receiving device 520 may determine whether a movement of the power receiving device 520 is detected.
  • the power receiving device 520 may detect whether a motion of the power receiving device 520 has occurred through a sensor circuit (eg, the sensor circuit 620 of FIG. 6 ). For example, the power receiving device 520 may provide movement information (eg, movement direction information of the power receiving device 520 and/or tilt information of the power receiving device 520 ) of the power receiving device 520 through the sensor circuit 620 . ) can be obtained.
  • a sensor circuit eg, the sensor circuit 620 of FIG. 6
  • the power receiving device 520 may provide movement information (eg, movement direction information of the power receiving device 520 and/or tilt information of the power receiving device 520 ) of the power receiving device 520 through the sensor circuit 620 . ) can be obtained.
  • the power receiving device 520 transmits power by the user as the power receiving device 520 is in a non-aligned state on top of the power transmitting device 510 . It may be an operation to determine whether the power receiving device 520 has been moved to arrange the device 510 in an aligned state.
  • the power receiving device 520 when detecting the movement of the power receiving device 520 (eg, YES in operation 1160 ), the power receiving device 520 checks voltage values of a plurality of terminals in operation 1110 , and performs a plurality of operations in operation 1120 . An operation may be performed to determine whether the voltage values of the terminals of ' ' are the same, and whether the power receiving device 520 is still unalignedly disposed above the power transmitting device 510 .
  • the power receiver 520 determines that the power receiver 520 in operation 1150 is the power transmitter 510 .
  • the operation of outputting a guide for arranging to be aligned on the upper part of the may be continuously performed.
  • the power receiving device 520 may control the power wirelessly received from the power transmitting device 510 in operation 1170 . have.
  • the power receiving device 520 may be configured such that the power receiving device 520 is arranged on top of the power transmitting device 510 and the temperature of each terminal exceeds the specified temperature. It is confirmed that it is in a state where the operation is performed, and operation 1170 described above can be performed.
  • the power receiving device 520 may determine whether the end of wireless charging is detected in operation 1180 .
  • the power receiving device 520 may end wireless charging. For example, when wireless charging is terminated, when the receiving device 520 detects that it is removed from the top of the power transmitting device 510, and/or includes a case in which the battery of the power receiving device 520 is fully charged. can
  • the power receiving device 520 continues the operation of controlling the power wirelessly received from the power transmitting device 510 in operation 1170 . can be done
  • the power receiving device 520 may be confirmed that the power receiving device 520 is in a state in which the power receiving device 520 is arranged in a non-aligned upper portion of the power transmitting device 510 based on the voltage values of each of the plurality of terminals to which different signal measurement lines are connected, , as a notification is provided, the user may arrange the power receiving device 520 to be aligned with the power transmitting device 510 . As the power receiving device 520 is arranged in an aligned state from a non-aligned state with the power transmitting device 510 , heat generated in the power receiving device 520 may be rapidly reduced.
  • FIG. 12 illustrates a plurality of terminals disposed adjacent to the power receiving coil 720 of the power receiving device 520 and to which the first measurement signal line 1210 and the second measurement signal line 1220 are connected, according to various embodiments of the present disclosure.
  • a first end of a first measurement signal line 1210 (eg, the first measurement signal line 730 of FIG. 7 ) formed of different materials and a second measurement signal line 1220 (eg, in FIG. 7 )
  • a first end of the second measurement signal line 740 may be bonded 1230 .
  • the second end 1240 of the first measurement signal line 1210 and the second end 1250 of the second measurement signal line 1220 may be connected to the voltmeter 1260 .
  • the voltmeter 1260 may be included in a measurement unit (eg, the measurement unit 640 of FIG. 6 ).
  • the junction point 1230 where the first end of the first measurement signal line 1210 and the first end of the second measurement signal line 1220 are joined is at the reference number ⁇ 810> of FIGS. 7 and 8 described above.
  • the second end 1250 of the second measurement signal line 1220 connected to the voltmeter 1260 may include a terminal of the measurement unit 640 .
  • the junction 1230 where the first end of the first measurement signal line 1210 and the first end of the second measurement signal line 1220 are joined may be referred to as a “measurement hot junction”.
  • the second end 1250 of the second measurement signal line 1220 connected to the voltmeter 1260 may be referred to as a “reference junction”.
  • the first measurement signal line 1210 may have a “+” polarity
  • the second measurement signal line 1220 may have a “-” polarity
  • the first end of the first measurement signal line 1210 and the first end of the second measurement signal line 1220 are joined
  • An electromotive force (eg, voltage) may be generated at the junction 1230 .
  • the electromotive force may be measured based on the following ⁇ Equation 1>.
  • the magnitude of the electromotive force may be proportional to the temperature difference between the temperature of the temperature measuring junction 1230 and the reference junction 1250 .
  • the electromotive force generated at the junction 1230 may be large.
  • the power receiving device 520 determines whether the power receiving device 520 is in a state in which the power receiving device 520 is in a state in which the power transmitting device 510 is unaligned. can be checked.
  • an electromotive force eg, a voltage
  • the power receiving device 520 has been described as measuring the power (eg, electromotive force) value based on the temperature difference between the temperature of the temperature measuring junction 1230 and the reference junction 1250 ,
  • the present invention is not limited thereto.
  • the power receiving device 520 eg, the measuring unit 640
  • FIG. 13 is a diagram 1300 for explaining a method of measuring a voltage value of a junction where the first measurement signal line 1310 and the second measurement signal line 1320 are connected using a voltage division rule according to various embodiments; to be.
  • the measurement unit (eg, the measurement unit 640 of FIG. 6 ) includes a first measurement signal line 1310 (eg, the first measurement signal line 730 of FIG. 7 , the first measurement signal line of FIG. 12 ) 1210)) and the second measurement signal line 1320 (eg, the second measurement signal line 740 of FIG. 7 and the second measurement signal line 1220 of FIG. 12 ) are connected, the first measurement signal line 1310 and the second A measurement point for measuring an electromotive force (eg, voltage) generated by the measurement signal line 1320 may be included.
  • a first measurement signal line 1310 eg, the first measurement signal line 730 of FIG. 7 , the first measurement signal line of FIG. 12
  • the second measurement signal line 1320 eg, the second measurement signal line 740 of FIG. 7 and the second measurement signal line 1220 of FIG. 12
  • the measuring unit 640 is connected to the amplifier 1330, the electromotive force (eg, voltage) to amplify the electromotive force (eg, voltage) generated by the temperature difference between the first measurement signal line 1310 and the second measurement signal line 1320 .
  • the power receiver 520 it may include resistor distribution circuits 1340 and 1350 for checking a state in which the power receiver 520 is not aligned on the top of the power transmitter 510 .
  • the power receiving device 520 is disposed in a non-aligned manner on the top of the power transmitting device 510 based on the voltage divided by the resistor dividing circuits 1340 and 1350 . status can be checked.
  • FIG. 14 is a diagram 1400 for explaining a method of confirming a state in which the power receiving device 520 is unaligned on the top of the power transmitting device 510 according to various embodiments of the present disclosure.
  • the power receiver eg, the power receiver 520 of FIG. 5A
  • the power transmitter eg, the power transmitter 510 of FIG. 5A
  • the power receiving device 520 may transmit a signal requesting to transmit more power to the power transmitting device 510 .
  • the power receiver 520 of the power receiver 520 ( Example: Power that cannot be received by the power receiver 650 of FIG. 6 ) becomes eddy current loss and may be dissipated as heat.
  • the power receiving device 520 is non-aligned on the top of the power transmitting device 510 , for example, the third terminal 705c is positioned at the center of the power transmitting device 510 (eg, the power transmitting device ( 510) in the center of the coil). In this case, a portion of the power transmitted from the power transmitting device 510 is not received by the power receiving device 520 , and the antenna structure of the power receiving device 520 (eg, the antenna structure 1005 of FIG. 10 ) is not received. At least one functional member (eg, at least one functional member 1020 of FIG. 10 ) and a shielding sheet (eg, the shielding sheet 1010 of FIG.
  • Eddy current losses can be formed.
  • the at least one functional member 1020 and the shielding sheet 1010 are made of metal, eddy current loss may occur.
  • the generated eddy current loss may be dissipated as heat.
  • the third terminal 705c of the power receiving device 520 is located at the center of the power transmitting device 510 (eg, the center of the coil of the power transmitting device 510 ), the third terminal 705c
  • the generated eddy current loss may be greater than the eddy current loss generated at at least one other terminal, for example, the first terminal 705a, the second terminal 705b, and/or the fourth terminal 705d.
  • the heat loss caused by the eddy current loss may also be greater for the third terminal 705c than the first terminal 705a , the second terminal 705b , and/or the fourth terminal 705d .
  • the temperature rise at the third terminal 705c may be greater than the temperature rise at the first terminal 705a , the second terminal 705b , and/or the fourth terminal 705d .
  • the power receiving device 520 wirelessly receives power from the power transmitting device 510 , the first terminal 705a , the second terminal 705b , the third terminal 705c , and/or Alternatively, the temperature of the fourth terminal 705d may be checked. As a result of the confirmation, when it is confirmed that the temperature at the third terminal 705c is greater than the temperature of the first terminal 705a, the second terminal 705b, and/or the fourth terminal 705d, the power receiving device 520 may confirm that the power receiving device 520 is in a state in which the power transmitting device 510 is disposed in a non-aligned state.
  • the power receiving device 520 of the power transmitting device 510 is It is a drawing 1500 for explaining a method of outputting a guide for arranging to be aligned on the upper part.
  • the power receiver aligns the power receiver 520 on the top of the power transmitter (eg, the power transmitter 510 of FIG. 5A )
  • a user interface including a guide for arranging so as to be possible may be displayed on a display (eg, the display 631 of FIG. 6 ).
  • the power receiving device 520 may display a user interface including text such as “Move the power receiving device in the lower right direction to align it in the center of the power transmitting device” 1510 on the display 631 .
  • the power receiving device 520 includes each terminal (eg, the first terminal 705a, the second terminal 705b, and the third terminal of reference numerals ⁇ 810> in FIGS. 7 and 8).
  • the power receiver 520 aligns the power receiver 520 on the top of the power transmitter 510 based on a direction in which the power receiver 520 is arranged unaligned on the top of the power transmitter 510 .
  • a user interface including a guide for a direction for arranging in the displayed state may be output to the display 631 .
  • a guide for a direction for arranging the power receiving device 520 in an aligned state on the top of the power transmitting device 510 may include a power receiving coil of the power receiving device 520 (eg, the power receiving coil of FIG. 5B ). 521k) and the power transmitting coil of the power transmitting device 510 (eg, the power transmitting coil 511k of FIG. 5B ) are aligned, including an arrow indicating the moving direction of the power receiving device 520 Guides may be included.
  • the power receiving device 520 uses a sound output unit (eg, the sound output unit 615 of FIG. 6 ) to transmit the power receiving device 520 to the power transmitting device 510 .
  • a sound output unit eg, the sound output unit 615 of FIG. 6
  • a guide for arranging to be aligned on top of the text 1510 and/or a direction corresponding to an arrow may be output as a sound.
  • the power receiving device 520 uses a haptic module (eg, the haptic module 179 of FIG. 1 ) to connect the power receiving device 520 to the upper portion of the power transmitting device 510 .
  • a haptic module eg, the haptic module 179 of FIG. 1
  • the power receiving device 520 determines a movement distance for moving the power receiving device 520 to be aligned with the upper portion of the power transmitting device 510 based on the temperature deviation of each terminal. It may output to the display 631 .
  • the method of measuring the temperature of the power receiving device 520 includes an operation of wirelessly receiving power from the power transmitting device 510 , a power receiving coil (eg, the power receiving coil 521k of FIG. 5B ).
  • a power receiving coil eg, the power receiving coil 521k of FIG. 5B .
  • Adjacent to the first measurement signal line (eg, the first measurement signal line 730 of FIG. 7 , the first measurement signal line 1210 of FIG. 12 , the first measurement signal line 1310 of FIG. 13 ) and the second measurement signal line (eg, the second measurement signal line 740 of FIG. 7 , the second measurement signal line 1220 of FIG. 12 , and the second measurement signal line 1320 of FIG. 13 ) are connected to a plurality of terminals (eg, FIGS.
  • the first measurement signal lines 730 , 1210 , and 1310 may be formed of the same material as the power receiving coil 521k.
  • the second measurement signal lines 740 , 1220 , and 1320 may be formed of a material different from that of the first measurement signal lines 730 , 1210 , and 1310 .
  • each of the plurality of terminals may be disposed in an outer region, an inner region, and/or a central region of the power receiving coil 521k.
  • the checking of the temperature of each of the plurality of terminals includes the plurality of first measurement signal lines 730 , 1210 , 1310 and the second measurement signal lines 740 , 1220 , and 1320 connected to each other. Based on the temperature difference between each of the terminals and the terminal of the measuring unit (eg, the measuring unit 640 of FIG. 6 ), the operation may include checking the voltage value of each terminal.
  • the operation of checking the temperature of each of the plurality of terminals includes analyzing a voltage level based on a voltage value of each terminal, and an operation of analyzing a voltage level of each of the plurality of terminals corresponding to the voltage level. It may include an operation to check the temperature.
  • the power receiving device 520 in the method of measuring the temperature of the power receiving device 520 , is arranged unalignedly above the power transmitting device 510 based on the voltage value of each terminal. It may further include an operation of checking whether or not the state has been completed.
  • the operation of determining whether the power receiving device 520 is in a state in which the power receiving device 520 is in a non-aligned state on top of the power transmitting device 510 may include at least one of voltage values of each of the plurality of terminals.
  • the method may include checking that the power receiving device 520 is unalignedly disposed on the top of the power transmitting device 510 based on the voltage value of the terminal of .
  • the operation of determining whether the power receiving device 520 is in a state in which the power receiving device 520 is in a non-aligned state on top of the power transmitting device 510 may include comparing voltage values of each of the plurality of terminals. Based on the operation and the comparison result, when at least one terminal of the plurality of terminals has a different voltage value from that of the other at least one terminal, the power receiving device 520 is the power transmitting device 510 . It may include an operation of confirming that the state is arranged in an unaligned upper part.
  • the method of measuring the temperature of the power receiving device 520 is based on checking that the power receiving device 520 is in an unaligned state on the top of the power transmitting device 510 , The method may further include outputting a guide for arranging the power receiving device 520 to be aligned with the top of the power transmitting device 510 .
  • the electronic device may have various types of devices.
  • the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device.
  • a portable communication device eg, a smart phone
  • a computer device e.g., a smart phone
  • a portable multimedia device e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a wearable device e.g., a smart bracelet
  • a home appliance device e.g., a home appliance
  • first”, “second”, or “first” or “second” may simply be used to distinguish the component from other such components, and refer to those components in other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.
  • module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logic block, component, or circuit.
  • a module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions.
  • the module may be implemented in the form of an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • Various embodiments of the present document include one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101).
  • a storage medium eg, internal memory 136 or external memory 138
  • the processor eg, the processor 120
  • the device eg, the electronic device 101
  • the one or more instructions may include code generated by a compiler or code executable by an interpreter.
  • the device-readable storage medium may be provided in the form of a non-transitory storage medium.
  • 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term refers to the case where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.
  • a signal eg, electromagnetic wave
  • the method according to various embodiments disclosed in this document may be provided in a computer program product (computer program product).
  • Computer program products may be traded between sellers and buyers as commodities.
  • the computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or via an application store (eg Play Store TM ) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly or online between smartphones (eg: smartphones).
  • a portion of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a memory of a relay server.
  • each component eg, a module or a program of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have.
  • one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added.
  • a plurality of components eg, a module or a program
  • the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. .
  • operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. , or one or more other operations may be added.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente divulgation porte, selon divers modes de réalisation, sur un dispositif de réception de puissance qui comprend : une unité de réception de puissance comprenant une bobine de réception de puissance ; une pluralité de bornes agencées de manière adjacente à la bobine de réception de puissance ; des première et seconde lignes de signal de mesure reliées à la pluralité de bornes ; une unité de mesure pour confirmer la température de la pluralité de bornes ; et un processeur relié de manière fonctionnelle à l'unité de réception de puissance, à la pluralité de bornes, à la première ligne de signal de mesure, à la seconde ligne de signal de mesure et à l'unité de mesure, le processeur pouvant être configuré pour recevoir sans fil la puissance au moyen de l'unité de réception de puissance en provenance d'un dispositif de transmission de puissance, pour confirmer la température de chaque borne de la pluralité de bornes, reçue au moyen de l'unité de mesure et pour commander la puissance reçue sans fil sur la base de la confirmation que la température d'au moins une borne de la pluralité de bornes dépasse la température définie. Divers autres modes de réalisation qui excluent divers modes de réalisation divulgués dans la présente invention sont possibles.
PCT/KR2022/001505 2021-03-04 2022-01-27 Dispositif électronique permettant de recevoir de la puissance sans fil et procédé de mesure de température l'utilisant WO2022186485A1 (fr)

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KR1020210028781A KR20220124975A (ko) 2021-03-04 2021-03-04 무선 전력을 수신하는 전자 장치 및 이를 이용한 온도 측정 방법
KR10-2021-0028781 2021-03-04

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Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2015111996A (ja) * 2013-10-28 2015-06-18 パナソニック株式会社 送電装置及び無線電力伝送システム
US20150331135A1 (en) * 2014-05-15 2015-11-19 Qualcomm Incorporated Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing
KR20160113997A (ko) * 2015-03-23 2016-10-04 녹9 에이비 무선 전력 전달 테스트 장치 및 그 방법
KR20170061893A (ko) * 2015-11-27 2017-06-07 엘지이노텍 주식회사 멀티 코일 무선 충전 제어 방법 및 그를 위한 장치 및 시스템
KR20180036010A (ko) * 2016-09-30 2018-04-09 엘지이노텍 주식회사 무선 전력 송신기 및 그의 동작 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015111996A (ja) * 2013-10-28 2015-06-18 パナソニック株式会社 送電装置及び無線電力伝送システム
US20150331135A1 (en) * 2014-05-15 2015-11-19 Qualcomm Incorporated Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing
KR20160113997A (ko) * 2015-03-23 2016-10-04 녹9 에이비 무선 전력 전달 테스트 장치 및 그 방법
KR20170061893A (ko) * 2015-11-27 2017-06-07 엘지이노텍 주식회사 멀티 코일 무선 충전 제어 방법 및 그를 위한 장치 및 시스템
KR20180036010A (ko) * 2016-09-30 2018-04-09 엘지이노텍 주식회사 무선 전력 송신기 및 그의 동작 방법

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