WO2020184831A1 - Dispositif électronique et son procédé de commande - Google Patents

Dispositif électronique et son procédé de commande Download PDF

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Publication number
WO2020184831A1
WO2020184831A1 PCT/KR2020/000630 KR2020000630W WO2020184831A1 WO 2020184831 A1 WO2020184831 A1 WO 2020184831A1 KR 2020000630 W KR2020000630 W KR 2020000630W WO 2020184831 A1 WO2020184831 A1 WO 2020184831A1
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WO
WIPO (PCT)
Prior art keywords
sensor
user
wireless power
electronic device
external
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2020/000630
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English (en)
Korean (ko)
Inventor
신재선
여성구
조준래
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of WO2020184831A1 publication Critical patent/WO2020184831A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

Definitions

  • the present disclosure relates to an electronic device and a control method thereof, and more particularly, to an electronic device using wireless power transmission and a control method thereof.
  • IoT Internet of Things
  • a plurality of electronic devices constituting the IoT environment are limited to time in various places such as fixed locations (eg, indoors, etc.) or moving locations (eg, vehicles, etc.). It is required to be driven without receiving.
  • power may be wirelessly supplied to a plurality of electronic devices.
  • a wireless power transfer technology WPT, Wireless Power Transfer
  • WPT Wireless Power Transfer
  • a magnetic induction method Inductive Power Transfer
  • Magnetic Resonance Coupling Magnetic Resonance Coupling
  • electromagnetic wave method etc.
  • Energy Harvesting which supplies power by converting energy harvested from an energy source into electrical energy, can be applied.
  • the present disclosure was conceived by the necessity described above, and an object of the present disclosure is to provide an electronic device capable of detecting a user using an external sensor that converts external energy into electrical energy by energy harvesting and a control method thereof. have.
  • an electronic device includes a sensor, a communication interface including a circuit, a wireless power interface including a circuit, and a wireless power supply device received through the wireless power interface.
  • the sensor is driven using wireless power, and while the sensor is running in the power saving mode, a detection signal for the user is transmitted from an external sensor that senses the user using power obtained by energy harvesting.
  • it includes a processor that drives the sensor in an operation mode to detect a user.
  • the processor controls the sensor to perform a detection operation in a first cycle, and when the sensor is driven in an operation mode, the sensor performs a detection operation in a second cycle shorter than the first cycle. Can be controlled.
  • the senor detects a user existing indoors, and the external sensor may detect a user who is located outdoors and enters the room.
  • the processor may transmit a signal for stopping the detection operation of the external sensor to the external sensor.
  • the processor may transmit a signal indicating that the user is detected to an external server.
  • the processor may transmit a signal indicating that the user has not been detected to the external sensor and drive the sensor in the power saving mode.
  • the electronic device of the present disclosure further includes a battery, and the processor transmits a signal for requesting transmission of wireless power through the wireless power interface to the wireless power supply device when the power level charged in the battery is less than or equal to a preset level. I can.
  • a method of controlling an electronic device includes driving a sensor using wireless power received from a wireless power supply device, and while the sensor is driven in a power saving mode, by energy harvesting.
  • driving a sensor using wireless power received from a wireless power supply device and while the sensor is driven in a power saving mode, by energy harvesting.
  • a detection signal for a user is received from an external sensor that senses a user using the obtained power, driving the sensor in an operation mode to detect the user.
  • control method of the present disclosure controls the sensor to perform a detection operation in a first cycle when the sensor is driven in the power saving mode, and performs the detection operation in a second cycle shorter than the first cycle when the sensor is driven in the operation mode. It may further include controlling the sensor to be.
  • control method of the present disclosure further includes the step of detecting a user existing indoors by driving a sensor, and the external sensor may be located outdoors to detect a user entering the room.
  • control method of the present disclosure may further include transmitting a signal for stopping the detection operation of the external sensor to the external sensor when a detection signal is received from the external sensor.
  • control method of the present disclosure may further include transmitting a signal indicating that the user has been detected to an external server when a user is detected by a sensor driven in an operation mode.
  • control method of the present disclosure transmits a signal indicating that the user has not been detected to an external sensor when a user is not detected for more than a preset time by a sensor driven in the operation mode, and drives the sensor in a power saving mode. It may further include a step.
  • the control method of the present disclosure when the power level charged in the battery included in the electronic device is less than or equal to a preset level, transmitting a signal for requesting transmission of wireless power through the wireless power interface to the wireless power supply device. It may contain more.
  • an electronic device capable of detecting a user using an external sensor that converts external energy into electrical energy through energy harvesting and a control method thereof may be provided.
  • FIG. 1 is a diagram for describing a system according to an embodiment of the present disclosure.
  • FIG. 2 is a block diagram of an electronic device according to an embodiment of the present disclosure.
  • FIG. 3 is a diagram for describing an electronic device according to an embodiment of the present disclosure.
  • 4A is a diagram illustrating a method of transmitting wireless power according to an embodiment of the present disclosure.
  • 4B is a diagram illustrating a method of transmitting wireless power according to an embodiment of the present disclosure.
  • 4C is a diagram illustrating a method of transmitting wireless power according to an embodiment of the present disclosure.
  • FIG. 5 is a sequence diagram for explaining an embodiment of the present disclosure.
  • FIG. 6 is a sequence diagram illustrating an embodiment of the present disclosure.
  • FIG. 7 is a detailed block diagram illustrating a configuration of an electronic device according to an embodiment of the present disclosure.
  • FIG. 8 is a diagram for describing a flowchart according to an embodiment of the present disclosure.
  • expressions such as “A or B,” “at least one of A or/and B,” or “one or more of A or/and B” may include all possible combinations of items listed together .
  • “A or B,” “at least one of A and B,” or “at least one of A or B” includes (1) at least one A, (2) at least one B, Or (3) it may refer to all cases including both at least one A and at least one B.
  • Some component eg, a first component
  • another component eg, a second component
  • the certain component may be directly connected to the other component or may be connected through another component (eg, a third component).
  • a component eg, a first component
  • the component and the It may be understood that no other component (eg, a third component) exists between the different components.
  • a processor configured (or configured) to perform A, B, and C means a dedicated processor (eg, an embedded processor) for performing the operation, or by executing one or more software programs stored in a memory device.
  • a generic-purpose processor eg, a CPU or an application processor
  • Electronic devices include, for example, a smartphone, a tablet personal computer, a mobile phone, a video phone, an e-book reader, Desktop PC (desktop personal computer), laptop PC (laptop personal computer), netbook computer, workstation, server, PDA (personal digital assistant), PMP (portable multimedia player), MP3 player, mobile medical It may include at least one of a device, a camera, or a wearable device.
  • the wearable device is an accessory type (e.g., a watch, a ring, a bracelet, an anklet, a necklace, glasses, contact lens, or a head-mounted-device (HMD)), a fabric, or an integrated clothing (for example, it may include at least one of an electronic clothing), a body-attached type (eg, a skin pad or tattoo), or a living body type (eg, an implantable circuit).
  • an accessory type e.g., a watch, a ring, a bracelet, an anklet, a necklace, glasses, contact lens, or a head-mounted-device (HMD)
  • HMD head-mounted-device
  • the electronic device may be a home appliance.
  • Home appliances include, for example, television, digital video disk (DVD) player, audio, refrigerator, air conditioner, vacuum cleaner, oven, microwave oven, washing machine, air cleaner, set-top box, and home automation control.
  • Panel home automation control panel
  • security control panel security control panel
  • TV box e.g. Samsung HomeSync, Apple TV, or Google TV
  • game console e.g. Xbox, PlayStation
  • electronic dictionary An electronic key, a camcorder, or an electronic frame.
  • the electronic device is a piece of furniture or a building/structure, an electronic board, an electronic signature receiving device, a projector, or various measurement devices (eg : Water, electricity, gas, or radio wave measuring devices, etc.) may be included.
  • the electronic device may be a combination of one or more of the aforementioned various devices.
  • the electronic device according to some embodiments may be a flexible electronic device.
  • the electronic device according to the exemplary embodiment of the present document is not limited to the above-described devices, and may include a new electronic device according to technological development.
  • FIG. 1 is a diagram for describing a system according to an embodiment of the present disclosure.
  • a system 1000 may include an electronic device 100, an external sensor 200, and a wireless power supply device 300.
  • the electronic device 100 may receive wireless power from the wireless power supply device 300 and drive (or operate) the electronic device 100 by using the received wireless power. That is, the electronic device 100 may be driven by using the wireless power received from the wireless power supply device 300 as an energy source.
  • the wireless power supply device 300 may transmit wireless power using one of an inductive power transfer method, a magnetic resonance coupling method, and an electromagnetic wave method, or a combination thereof.
  • the magnetic induction method may mean transmitting power by using a magnetic induction phenomenon in which a current is induced in a receiving antenna (or coil) by a current flowing through a transmitting antenna (or coil).
  • the magnetic resonance method may mean transmitting power by using a magnetic resonance phenomenon between the transmitting and receiving antennas that occurs when the resonance frequencies of the transmitting and receiving antennas are matched between several kHz to several tens of MHz.
  • the electromagnetic wave method may mean transmitting and receiving power by directly transmitting and receiving an electromagnetic wave (RF (Radio Frequency) such as 2.45 GHz or 5.8 GHz), laser, infrared, and ultrasonic waves through an antenna.
  • RF Radio Frequency
  • the wireless power supply device 300 may include a wireless power generator (not shown) and a wireless power interface (not shown) (or a wireless power transmitter).
  • the wireless power generation unit transmits externally supplied power to the electronic device 100 wirelessly using at least one of a magnetic induction method, a magnetic resonance method, and an electromagnetic wave method, or a combination thereof.
  • Light Amplification by the Stimulated Emission of Radiation (LASER), infrared (IR), and ultrasonic waves (Ultrasonic Waves) may be converted into at least one or a combination thereof to generate wireless power.
  • the wireless power interface is a configuration capable of outputting the converted wireless power and transmitting it to the electronic device 100 or an external device, and may be implemented as, for example, an antenna or an inductor (coil).
  • the electronic device 100 may be installed without space restrictions, and installation simplification and cost reduction due to the removal of a cable (or wire) may be achieved. In addition, it is possible to prevent the operation of the electronic device 100 from being stopped due to a cable breakage due to a fire/natural disaster.
  • the electronic device 100 may communicate with the external sensor 200 with each other.
  • the electronic device 100 communicates with the external sensor 200 through a device to device (D2D) communication method using various communication networks, or the electronic device 100 communicates with the external sensor 200 through a server (not shown). Communication with the sensor 200 may be performed. In this way, the electronic device 100 may communicate with the external sensor 200 to transmit and receive various data.
  • D2D device to device
  • the electronic device 100 and the external sensor 200 may each include a communication interface.
  • the communication interface may include at least one of a Bluetooth chip, a Wi-Fi chip, a wireless communication chip and an NFC chip for performing wireless communication, an Ethernet module for performing wired communication, and a USB module.
  • the Ethernet module and the USB module performing wired communication may communicate with an external device through an input/output port.
  • the electronic device 100 and the external sensor 200 may be located in different places.
  • the electronic device 100 when classified into indoor and outdoor based on a specific space 20 (eg, house, vehicle, etc.), the electronic device 100 may be located indoors and the external sensor 200 may be located outdoors. .
  • the external sensor 200 is located outdoors and may detect the user 30 entering the indoor when the user 30 enters the indoor from the outdoor.
  • the external sensor 200 is located near the door 10 that can be accessed from the outside to the room, and can detect the movement of the user 30 or the opening and closing of the door 10, and the user 30 When) moves in the direction in which the interior is located or when the door 10 is opened is detected, it may be determined that the user 30 enters the interior.
  • the user 30 is an administrator with all control authority for the electronic device 100 of the present disclosure, a user with specific authority for the electronic device 100, or a control authority for the electronic device 100 It may include guests (or outsiders) who do not have this.
  • the external sensor 200 may include at least one of a laser sensor (not shown), an ultrasonic sensor (not shown), an infrared sensor (not shown), and a camera (not shown), and a sensor 110 to be described later.
  • a laser sensor not shown
  • an ultrasonic sensor not shown
  • an infrared sensor not shown
  • a camera not shown
  • a sensor 110 to be described later The description of may be equally applied, and overlapping content will be omitted.
  • the external sensor 200 may detect the user 30 by using power obtained by energy harvesting.
  • energy harvesting may mean collecting external energy 40 such as solar energy, kinetic energy, thermal energy, and the like, and converting the collected energy into electric energy using a piezoelectric effect or thermoelectric effect.
  • the external energy 40 shown as sunlight is for convenience of description, and is not limited thereto and may be variously modified.
  • the external sensor 200 is a solar cell element in which sunlight is converted into electrical energy, a thermoelectric element in which heat generated by opening and closing the door is converted into electrical energy, and the user 30 passes through the door 10.
  • it may include at least one of a piezoelectric element that generates electrical energy according to a pressure applied to the floor of the door 10, a friction element in which a friction force generated by opening and closing the door is changed into electrical energy.
  • each element may include a circuit.
  • the external sensor 200 may transmit a detection signal for the user to the electronic device 100.
  • the electronic device 100 while the electronic device 100 is driven in the power saving mode, when a detection signal for the user 30 is received from the external sensor 200, the electronic device 100 is driven in the operation mode to detect the user 30. can do.
  • the electronic device 100 may perform an operation according to a power saving mode or an operation mode, and the power saving mode may mean a state in which less power consumption is consumed than the operation mode.
  • the electronic device 100 may provide a security service (or safety service) by transmitting a signal indicating that the user 30 is detected to an external server.
  • the electronic device 100 driven by using wireless power uses the external sensor 200 that is driven by converting external energy into electrical energy through energy harvesting without a separate power supply source.
  • a service that can be detected may be provided, and the electronic device 100 may reduce power consumption as the external sensor 200 changes from a power saving mode to an operation mode when the external sensor 200 detects the user 30 entering the room. have.
  • FIG. 2 is a block diagram of an electronic device according to an embodiment of the present disclosure.
  • an electronic device 100 includes a sensor 110, a communication interface 120, a wireless power interface 130, and a processor 140.
  • the sensor 110 is a component for detecting the user 30, and specifically, the sensor 110 may detect the user 30 existing in the room.
  • the electronic device 100 of the present disclosure may be located indoors.
  • the senor 110 may be implemented as one of a laser sensor (not shown), an ultrasonic sensor (not shown), an infrared sensor (not shown), and a camera (not shown), or a combination thereof.
  • the laser sensor detects the user 30 by radiating a laser from the transmitter, receiving a signal returned from the receiver, and measuring the intensity, time, and absorption difference according to the wavelength, and the wavelength shift of the received signal. can do.
  • the laser sensor may detect whether the user 30 is present at a specific location according to whether the detection unit receives a detection laser. For example, when the laser sensor receives the detection laser from the receiver (that is, when the detection laser emitted from the transmitter reaches the receiver), the user 30 does not exist in a specific location (eg, indoors). If the detection laser is not received by the receiver (ie, the detection laser emitted from the transmitter is blocked by the user 30), it is determined that the user 30 exists in a specific location. can do.
  • the ultrasonic sensor emits an ultrasonic pulse having a frequency of 20 kHz or more, receives a signal reflected from an object, and measures a time difference between the radiation and the received signal, thereby detecting whether the user 30 is in a specific position. have.
  • the infrared sensor receives radiant energy (infrared rays) emitted by the user 30 (passive type), or emits infrared rays having a wavelength of about 750 nm to 1500 nm, and receives a signal reflected by the object and returned (active type), By measuring the strength of the received signal, it is possible to detect whether the user 30 exists in a specific location.
  • a specific R, G, B A pixel or an image that is a set of a plurality of pixels having a color and grayscale in which the color values of are combined may be obtained.
  • the external sensor 200 recognizes the object (or movement of the object) included in the image captured by the camera using various image analysis algorithms (or artificial intelligence models, etc.), so that the user 30 Whether it exists or not can be detected.
  • the senor 110 simply performs an operation of obtaining information, and the processor 140 determines whether the user 30 exists in a specific location based on the information acquired through the sensor 110. You can also judge whether or not.
  • the communication interface 120 is a component capable of transmitting and receiving various data (or signals) by performing communication with various types of external devices according to various types of communication methods, and may include a circuit.
  • the communication interface 120 communicates with various external devices such as the external sensor 200 or an external server under the control of the processor 140 to transmit and receive various data (eg, sensed information or control signals). can do.
  • the communication interface 120 includes a WiFi (Wireless Fidelity) chip (not shown), a Bluetooth chip (not shown), a wireless communication chip (not shown), and a Near Field Communication (NFC) chip (not shown). ) May include at least one of various circuits for performing wireless communication.
  • the Wi-Fi chip, the Bluetooth chip, and the NFC chip may perform communication using a Wi-Fi method, a Bluetooth method, and an NFC method, respectively.
  • various types of connection information such as a service set identifier (SSID) and a session key are first transmitted and received, and various types of information can be transmitted and received after a communication connection (eg, pairing).
  • the wireless communication chip is a chip that performs communication according to at least one of various communication standards such as IEEE, Zigbee, 3rd Generation (3G), 3rd Generation Partnership Project (3GPP), Long Term Evolution (LTE), and 5th Generation (5G). it means.
  • the NFC chip refers to a chip that operates in a Near Field Communication (NFC) method using a 13.56 MHz band among various RF-ID frequency bands such as 135 kHz, 13.56 MHz, 433 MHz, 860 to 960 MHz, and 2.45 GHz.
  • NFC Near Field Communication
  • the communication interface 120 includes Ethernet, optical network, Universal Serial Bus (USB), High Definition Multimedia Interface (HDMI), Recommended Standard232 (RS-232), power line communication, and Plain Old (POTS).
  • Telephone Service may be operated in a wired communication method including at least one circuit.
  • the wireless power interface 130 (or wireless power receiver) is a component that receives wireless power from the wireless power supply device 300 and may include a circuit.
  • the wireless power interface 130 may be implemented as an antenna or an inductor (coil) according to one of a magnetic induction method, a magnetic resonance method, and an electromagnetic wave method, or a combination thereof.
  • the wireless power interface 130 may output a feedback signal based on the direction of the received detection signal. For example, the wireless power interface 130 may transmit the feedback signal to the wireless power supply device 300 along the same path as the path through which the detection signal traveled by outputting a feedback signal in a direction opposite to the direction in which the detection signal was received. have.
  • the processor 140 controls the overall operation of the electronic device 100, controls a signal flow between internal components of the electronic device 100, and processes data. Specifically, the processor 140 may control various hardware or software components included in the electronic device 100 and perform various data processing and operations. In addition, the processor 140 may load and process commands or data received from at least one of the other components into a memory and store various data in the memory. To this end, the processor 140 is implemented as a dedicated processor (eg, an embedded processor) for performing the corresponding operation, or a general-purpose processor capable of performing the corresponding operations by executing one or more software programs stored in the memory device ( Generic-purpose processor) (eg, CPU or application processor) can be implemented.
  • Generic-purpose processor eg, CPU or application processor
  • the processor 140 may drive the sensor 110 using wireless power received from the wireless power supply device 300 through the wireless power interface 130.
  • the wireless power may be received from the wireless power supply device 300 in a method according to one of a magnetic induction method, a magnetic resonance method, an electromagnetic wave method, or a combination thereof.
  • the processor 140 may control the wireless power interface 130 to transmit a signal for requesting transmission of wireless power to the wireless power supply device 300.
  • the signal for requesting transmission of wireless power may include information on at least one of an amount of wireless power required to drive the electronic device 100 or the sensor 110, a resonance frequency, and an output level of wireless power. .
  • the processor 140 may use the received wireless power as an energy source to drive the sensor 110.
  • the electronic device 100 of the present disclosure may further include a battery (not shown).
  • the battery may be charged with wireless power received from the wireless power supply device 300 through the wireless power interface 130, and the processor 140 uses the charged power to be used for the sensor 110 or the electronic device ( 100) can be controlled to drive.
  • the battery is a secondary battery capable of storing (charging) and using (discharging) electrical energy, and includes a lithium ion (Li Ion) battery, a nickel-cadmium battery, a nickel-hydrogen (NiMH) battery, and a lithium battery. It may be implemented by one of an ion polymer battery, a lead storage battery, a silicon battery, a carbon nanotube, graphene, or a combination thereof.
  • the processor 140 may transmit a signal for requesting transmission of wireless power to the wireless power supply device 300 through the wireless power interface 130. .
  • the processor 140 may control the communication interface 120 to transmit a signal for requesting transmission of wireless power to the wireless power supply device 300.
  • the wireless power supply device In order to perform communication with the electronic device 100, the 300 may separately include a communication interface.
  • the processor 140 controls the communication interface 120 to transmit a signal indicating that the user 30 has been detected to an external server (not shown). can do.
  • the external server is an external electronic device capable of performing various types of communication, and by performing communication with the electronic device 100, the user (e.g., a family member, guardian, security personnel, etc.) 30) is an external electronic device to provide information that exists.
  • the external server may include a communication interface (not shown), and the description of the communication interface 120 of the electronic device 100 may be the same.
  • the external server may be implemented as a single server capable of performing (or processing) various functions, or a server system composed of a plurality of servers designed to be performed (or processed) by sharing the functions.
  • an external server is a cloud server that provides IT (Information Technology) resources virtualized through the Internet as a service, or a method that processes data in real time at a distance close to the location where the data is generated to simplify the data path. It can be implemented as an edge server or a combination of them.
  • the external server When a signal indicating that the user 30 is detected from the electronic device 100 is received, the external server repeatedly outputs an alarm (notification information or dispatch request information, etc.) on the display or speaker of the external server based on the received signal.
  • Information that the user 30 exists in a specific space 20 can be provided to the manager by transmitting it to the manager's terminal device (eg, a smartphone, etc.). Thereafter, the external server or the terminal device of the administrator may check the user 30 through the alarm information and release the alarm.
  • the processor 140 may control the external sensor 200 to be driven in a power saving mode as follows. To this end, when the user 30 is detected by the sensor 110, the processor 140 controls the communication interface 120 to transmit a user detection signal indicating that the user 30 is detected to the external sensor 200. May be. In this case, the power saving mode may be equally applied according to the description of the power saving mode of the sensor 110 to be described later.
  • the processor 140 may control the sensor 110 to be driven in a power saving mode or an operation mode.
  • the operation mode refers to a general state in which the sensor 110 detects the user 30 existing indoors, and the power saving mode consumes less power than when the sensor 110 is in the operation mode. It can mean a state of being.
  • the processor 140 may preferentially control the sensor 110 to be driven in a preset mode (either a power saving mode or an operation mode). In this case, the preset mode may be changed by the processor 140 or an administrator.
  • the processor 140 controls the sensor 110 to perform a sensing operation in a first cycle, and when the sensor 110 is driven in an operation mode, The sensor 110 may be controlled to perform the sensing operation in a second period shorter than the first period.
  • the processor 140 controls the sensor 110 to perform an operation of detecting the user 30 existing indoors once every 5 seconds, and the processor When the sensor 110 is driven in the operation mode, the 140 may control the sensor 110 to perform an operation of detecting the user 30 existing indoors once a second.
  • the processor 140 may drive the sensor 110 in the changed mode by changing a preset mode as a preset event occurs.
  • the preset event is an event of receiving a detection signal for the user 30 from the external sensor 200, an event in which the user 30 is not detected for more than a preset time by the sensor 110, and the power charged in the battery. It may include an event whose level is less than or equal to a preset level.
  • the processor 140 detects the user 30 by using the power obtained by energy harvesting while the sensor 110 is driven in the power saving mode.
  • the sensor 110 may be driven in an operation mode to detect the user 30.
  • the external sensor 200 may receive harvesting power by energy harvesting (S511), and detect a user 30 entering an indoor using the harvesting power ( S517).
  • the processor 140 receives wireless power from the wireless power supply device 300 through the wireless power interface 130 (S513), and controls the sensor 110 to detect a user existing indoors using the wireless power. can do.
  • the sensor 110 While the sensor 110 is driven in the power saving mode (S515), when a detection signal for the user 30 from the external sensor 200 is received through the communication interface 120 (S519), the sensor ( 110) may be controlled to be driven in an operation mode (S521).
  • the processor 140 controls the communication interface 120 to transmit a signal for stopping the detection operation of the external sensor 200 to the external sensor 200. I can.
  • the processor 140 transmits a signal for stopping the detection operation of the external sensor 200 to the external sensor. It may be transmitted to 200, and the external sensor 200 may stop the sensing operation according to the received signal. Even in this case, the external sensor 200 may periodically perform an operation of receiving harvesting power by energy harvesting.
  • the processor 140 may drive the sensor 110 in the power saving mode.
  • the preset time may be set or changed by the administrator, and for example, the preset time may be set to one of various times such as 10 minutes, 30 minutes, and 1 hour.
  • the processor 140 may control the communication interface 120 to transmit a signal indicating that the user 30 has not been detected to the external sensor 200.
  • the sensor 110 when the user 30 is not detected for more than a preset time by the sensor 110 driven in the operation mode (S621), the sensor 110 is in a power saving mode. It can be driven by (S631).
  • the processor 140 transmits a signal indicating that the user 30 is not detected by an external sensor.
  • the communication interface 120 may be controlled to transmit to 200 (S623), and accordingly, the external sensor 200 may be controlled to resume the operation of detecting the user's 30 entering the room (S641).
  • the processor 140 may change the mode of the sensor 110 according to the power level charged in the battery and control the sensor 110 to be driven according to the changed mode. For example, assuming that the power level charged in the battery is 100% in the fully charged state, when the power level charged in the battery is between 100% and 50%, the sensor 110 is driven in the operation mode, and is less than 50%. In some cases, the sensor 110 may be driven in a power saving mode.
  • the processor 140 may change a period in which the sensor 110 performs a sensing operation even in the power saving mode. For example, when the power level charged in the battery is 25% and when the power level is 15%, both may be driven in a power saving mode, but may be driven differently according to the power level charged in the battery. That is, in the case of 25%, the sensor 110 is driven in the first power saving mode to perform a detection operation once every 5 seconds, and in the case of 10%, the sensor 110 is driven to perform a detection operation once every 10 seconds. I can. However, this is only an example, and the period in which the operation is performed may be variously modified and implemented.
  • FIG. 3 is a diagram for describing an electronic device according to an embodiment of the present disclosure.
  • each of the plurality of electronic devices 100-1, 100-2, and 100-3 is configured as an electronic device having the same configuration as the electronic device 100 described above.
  • each of the plurality of external sensors 200-1 and 200-2 may be composed of an external sensor having the same configuration as the external sensor 200 described above.
  • each of the plurality of electronic devices 100-1, 100-2, and 100-3 has different internal spaces of the specific space 20 in order to detect whether the user 30 is present at different locations. It exists in the location and may drive the sensor using the wireless power received from the wireless power supply device 300.
  • each of the plurality of electronic devices 100-1, 100-2 and 100-3 is driven in a power saving mode, and that the user 30 enters the room from the outdoors and exists at the location shown in FIG. 3. Do it.
  • the plurality of external sensors 200-1 and 200-2 are located outdoors, detect the user 30 entering the indoor, and use the plurality of electronic devices 100-1, 100-2 and 100-3 respectively. A detection signal that detects the user 30 may be transmitted.
  • the plurality of electronic devices 200-1 and 200-2 enter the room from at least one of the plurality of external sensors 200-1 and 200-2.
  • the sensor may be driven in an operation mode.
  • the electronic device 100-1 that detects the user 30 existing indoors by driving a sensor among the plurality of electronic devices 100-1, 100-2, and 100-3 indicates that the user 30 is detected.
  • the indicated signal can be transmitted to an external server.
  • electronic devices 100-2, 100-3 in which the user 30 is not detected for more than a preset time by a sensor driven in an operation mode. May drive the sensor in a power saving mode and transmit a signal indicating that the user 30 is not detected to an external server.
  • the external server may provide the administrator with information that the user 30 exists near the location where the electronic device 100-1 is installed, based on the received signal.
  • the electronic device 100-1 may transmit a signal indicating that the user 30 is detected to the external sensors 200-1 and 200-2, and the electronic device 100-2 and 100-3 may transmit a signal indicating that the user 30 is detected. A signal indicating that 30) is not detected may be transmitted to the external sensors 200-1 and 200-2.
  • the external sensors 200-1 and 200-2 determine whether the user 30 exists indoors based on the received signal, and stop the detection operation when the user 30 exists indoors. And, if the user 30 does not exist indoors, the detection operation may be resumed.
  • the external sensors 200-1 and 200-2 receive a signal indicating that the user 30 is not detected from all of the plurality of electronic devices 100-1, 100-2, and 100-3. In this case, it may be determined that the user 30 does not exist indoors, and a signal indicating that the user 30 has been detected from at least one of the plurality of electronic devices 100-1, 100-2, and 100-3 When received, it may be determined that the user 30 exists indoors.
  • the wireless power supply device 300 may output (or radiate) detection signals in all directions to determine the location of the electronic device 100.
  • the detection signal is a signal having straightness, and may be a signal having the same type as the wireless power and having an output level lower than that of the wireless power harmless to human body.
  • the detection signal may be at least one of electromotive force, electromagnetic waves, laser, infrared, light, and sound waves, or a combination thereof.
  • the detection signal may be variously modified and implemented as a type different from the wireless power.
  • some of the output detection signals reach the electronic device 100 directly when there is no obstacle, or some of the output detection signals excluding signals blocked by obstacles such as the user 30 are caused by objects such as walls. It may be reflected and reach the electronic device 100. Further, when a detection signal is received through the wireless power interface 130, the processor 140 of the electronic device 100 may determine the direction of the received detection signal.
  • the processor 140 of the electronic device 100 may control the wireless power interface 130 to output a feedback signal based on the direction of the received detection signal.
  • the feedback signal is a signal having linearity and may be a signal of the same type as the detection signal.
  • the feedback signal output through the wireless power interface 130 may be transmitted to the wireless power supply device 300 along the same path in a direction opposite to the detection signal.
  • the wireless power supply device 300 may determine the direction of the received feedback signal.
  • the wireless power supply device 300 transmits (or transmits) wireless power in a direction opposite to the direction of the received feedback signal, based on the direction of the received feedback signal, so that the electronic device 100 ) To deliver wireless power.
  • the electronic device 100 may receive wireless power by avoiding the human body, and thus, it is possible to prevent the wireless power transmission from having a harmful effect on the human body.
  • FIG. 7 is a detailed block diagram illustrating a configuration of an electronic device according to an embodiment of the present disclosure.
  • a memory 150 in addition to the sensor 110, the communication interface 120, the wireless power interface 130 and the processor 140, a memory 150, an output At least one of the interface 160 and the input interface 170 may be further included.
  • the processor 140 may include a RAM (not shown), a ROM (not shown), a graphic processing unit (not shown), a main CPU (not shown), first to n interfaces (not shown), and a bus (not shown).
  • RAM, ROM, graphic processing unit, main CPU, first to n interfaces, etc. may be connected to each other through a bus.
  • the memory 150 may store information obtained by the sensor 110 and data received from an external electronic device (not shown).
  • the memory 150 may be implemented as a non-volatile memory, a volatile memory, a flash-memory, a hard disk drive (HDD), a solid state drive (SSD), or the like.
  • the memory 150 is accessed by the processor 140, and data read/write/modify/delete/update data by the processor 140 may be performed.
  • the term memory in the present disclosure is a memory 150, a RAM (not shown) in the processor 140, a ROM (not shown), or a memory card (not shown) mounted in the electronic device 100 (eg, micro SD Cards, memory sticks, etc.).
  • the output interface 160 is a component for outputting information, and may include at least one circuit.
  • the output information may be implemented in a form such as an image or audio.
  • the output interface 160 may include a display (not shown) and a speaker (not shown).
  • the display may display image data processed by an image processing unit (not shown) on a display area (or display).
  • the display area may mean at least a part of the display exposed on one surface of the housing of the electronic device 100. At least a portion of the display may be coupled to at least one of a front area, a side area, and a rear area of the electronic device 100 in the form of a flexible display.
  • the flexible display may be characterized in that it can be bent, bent, or rolled without damage through a paper-thin and flexible substrate.
  • the speaker is built into the electronic device 100 and can directly output various notification sounds or voice messages as well as various audio data on which various processing tasks such as decoding, amplification, and noise filtering are performed by an audio processing unit (not shown). I can.
  • the input interface 170 may receive various types of user commands and transmit them to the processor 130.
  • the input interface 170 may include, for example, a touch panel, a (digital) pen sensor, or a key.
  • the touch panel may use at least one of, for example, a capacitive type, a pressure sensitive type, an infrared type, or an ultrasonic type.
  • the touch panel may further include a control circuit.
  • the touch panel may further include a tactile layer to provide a tactile reaction to the user 30.
  • the (digital) pen sensor may be, for example, a part of the touch panel or may include a separate recognition sheet.
  • the keys may include, for example, physical buttons, optical keys or keypads.
  • the input interface 170 may be wired or wirelessly connected from an external device (not shown) such as a keyboard or a mouse to receive a user input.
  • the input interface 170 may include a microphone capable of receiving a voice from the user 30.
  • the microphone may be embedded in the electronic device 100 or implemented as an external device to be connected to the electronic device 100 by wire or wirelessly.
  • the microphone may directly receive the voice of the user 30, and may obtain an audio signal by digitally converting the voice of the user 30, which is an analog signal, by a digital converter (not shown).
  • the electronic device 100 may further include an input/output port (not shown).
  • the input/output port is the electronic device 100 and the external device (not shown) so that the electronic device 100 can transmit and/or receive signals for images and/or audio with an external device (not shown). It is a configuration that connects with a wire.
  • the input/output port may be implemented as a wired port such as an HDMI port, a display port, an RGB port, a Digital Visual Interface (DVI) port, a Thunderbolt, and a component port.
  • HDMI HDMI
  • display port an RGB port
  • RGB RGB
  • DVI Digital Visual Interface
  • Thunderbolt a Thunderbolt
  • component port a component port
  • the electronic device 100 can output an image and/or sound
  • the electronic device 100 transmits an image and/or sound signal from an external device (not shown) through an input/output port (not shown).
  • an external device (not shown) can output an image and/or audio
  • the electronic device 100 transmits a signal for a specific image and/or audio to the external device through an input/output port (not shown). I can.
  • signals for images and/or audio may be transmitted in one direction through an input/output port (not shown).
  • signals for images and/or audio may be transmitted in both directions through an input/output port (not shown).
  • FIG. 8 is a diagram for describing a flowchart according to an embodiment of the present disclosure.
  • the control method of the electronic device 100 includes driving the sensor 110 using wireless power received from the wireless power supply device 300 and the sensor 110 While) is driven in the power saving mode, when a detection signal for the user 30 is received from the external sensor 200 that senses the user 30 by using the power obtained by energy harvesting, the user And driving the sensor 110 in an operation mode to detect 30.
  • the sensor 110 may be driven by using the wireless power received from the wireless power supply device 300 (S810).
  • the sensor 110 when the sensor 110 is driven in the power saving mode, the sensor 110 is controlled to perform a detection operation in the first cycle, and when the sensor 110 is driven in the operation mode, the sensor 110 is detected in a second cycle shorter than the first cycle.
  • the sensor 110 can be controlled to perform an operation.
  • the sensor 110 when the user 30 is not detected for more than a preset time by the sensor 110 driven in the operation mode, the sensor 110 may be driven in the power saving mode. In this case, a signal indicating that the user 30 has not been detected may be transmitted to the external sensor 200.
  • the senor 110 may be driven to detect the user 30 present in the room.
  • a signal indicating that the user 30 is detected may be transmitted to an external server.
  • the sensor 110 may be driven in an operation mode to detect the user 30 (S820).
  • the external sensor 200 may be located outdoors and detect the user 30 entering the indoor.
  • a detection signal is received from the external sensor 200
  • a signal for stopping the detection operation of the external sensor 200 may be transmitted to the external sensor 200.
  • a signal for requesting transmission of wireless power may be transmitted to the wireless power supply device 300.
  • Various embodiments of the present disclosure may be implemented with software including instructions stored in a machine-readable storage medium (eg, a computer).
  • the device calls instructions stored from the storage medium.
  • a device capable of operating according to a called command it may include an electronic device (eg, the electronic device 100) according to the disclosed embodiments.
  • other components may be used to perform the functions described above in the command, which may include code generated or executed by a compiler or an interpreter, and a storage medium readable by a device is non-transitory.
  • non-transitory It may be provided in the form of a storage medium, where'non-transitory' means that the storage medium does not contain a signal and is tangible, but the data is semi-permanent or temporary in the storage medium. It does not distinguish that it is stored as.
  • the method according to various embodiments may be provided by being included in a computer program product.
  • Computer program products can be traded between sellers and buyers as commodities.
  • the computer program product may be distributed online in the form of a device-readable storage medium (eg, compact disc read only memory (CD-ROM)) or through an application store (eg, Play StoreTM).
  • a storage medium such as a server of a manufacturer, a server of an application store, or a memory of a relay server.
  • Each of the constituent elements may be composed of a singular or a plurality of entities, and some sub-elements of the aforementioned sub-elements may be omitted, It may be further included in the embodiment.
  • some constituent elements eg, a module or a program
  • Operations performed by modules, programs, or other components according to various embodiments may be sequentially, parallel, repetitively or heuristically executed, or at least some operations may be executed in a different order, omitted, or other operations may be added. I can.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)

Abstract

La présente invention concerne un dispositif électronique et son procédé de commande. Un dispositif électronique de la présente invention comprend : un capteur; une interface de communication comprenant des circuits; une interface de puissance sans fil comprenant des circuits; et un processeur pour commander le capteur au moyen d'une puissance sans fil reçue en provenance d'un appareil d'alimentation en puissance sans fil par l'intermédiaire de l'interface de puissance sans fil et commander le capteur dans un mode de fonctionnement afin de détecter un utilisateur lorsqu'un signal de détection par rapport à l'utilisateur est reçu par l'intermédiaire de l'interface de communication à partir d'un capteur externe pour détecter un utilisateur au moyen d'une puissance obtenue au moyen d'une collecte d'énergie tandis que le capteur est commandé dans un mode d'économie d'énergie.
PCT/KR2020/000630 2019-03-13 2020-01-13 Dispositif électronique et son procédé de commande Ceased WO2020184831A1 (fr)

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