WO2022035143A1 - Dispositif électronique, procédé et support de stockage non transitoire permettant d'identifier la fraîcheur des aliments - Google Patents

Dispositif électronique, procédé et support de stockage non transitoire permettant d'identifier la fraîcheur des aliments Download PDF

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Publication number
WO2022035143A1
WO2022035143A1 PCT/KR2021/010429 KR2021010429W WO2022035143A1 WO 2022035143 A1 WO2022035143 A1 WO 2022035143A1 KR 2021010429 W KR2021010429 W KR 2021010429W WO 2022035143 A1 WO2022035143 A1 WO 2022035143A1
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WIPO (PCT)
Prior art keywords
sensor
electronic device
freshness
information
food
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PCT/KR2021/010429
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English (en)
Korean (ko)
Inventor
김형균
박희진
정용원
박장표
김준호
Original Assignee
삼성전자 주식회사
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Publication of WO2022035143A1 publication Critical patent/WO2022035143A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/008—Alarm devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/06—Stock management
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/06—Sensors detecting the presence of a product

Definitions

  • Various embodiments of the present document relate to an electronic device, a method, and a non-transitory storage medium for identifying the freshness of stored food.
  • Electronic devices have been developed in various forms for the convenience of users.
  • Electronic devices such as household appliances that can store food, have developed into a form that can communicate with other external electronic devices, provide images and sounds, and provide various services, as well as functions for their original purpose. there is.
  • a refrigerator capable of storing food provides a function of keeping food fresh through refrigeration and freezing storage, as well as various services for managing food in storage.
  • home appliances such as refrigerators can keep food fresh compared to room temperature, but decay proceeds slowly, so it is necessary to manage the freshness of the stored food, and to induce the user to consume the stored food within an appropriate time. There is a need.
  • an electronic device for identifying the types of stored foods and for identifying the freshness of foods for each identified type of food.
  • An electronic device includes a sensor module including at least one sensor, a memory, and at least one processor connected to the sensor module and the memory, wherein the processor acquires specified reference information and set a plurality of measurement conditions of the at least one sensor, obtain food measurement information of stored foods from the at least one sensor based on the plurality of measurement conditions, and obtain the food measurement information and the specified reference information based on the identification of the target food among the stored foods, obtain the freshness-related information of the target food, and may be configured to identify the freshness of the target food based on the acquired freshness-related information.
  • An operation method in an electronic device includes an operation of acquiring specified reference information, an operation of setting a plurality of measurement conditions of at least one sensor, and storing from the at least one sensor based on the plurality of measurement conditions
  • An operation of acquiring food measurement information of foods, an operation of identifying a target food among the stored foods based on the food measurement information and the specified reference information, and acquiring freshness-related information of the target food and the acquired freshness related It may include an operation of identifying the freshness of the target food based on the information.
  • a non-transitory storage medium storing a computer program
  • the processor when the program is executed by a processor, the processor obtains specified reference information and sets a plurality of measurement conditions of at least one sensor operation, obtaining food measurement information of stored foods from the at least one sensor based on the plurality of measurement conditions, and identifying target foods among the stored foods based on the food measurement information and the specified reference information and an instruction executable to perform an operation of acquiring the freshness-related information of the target food and an operation of identifying the freshness of the target food based on the acquired freshness-related information.
  • the type of food is identified based on information measured from the foods stored in the storage box of the electronic device and designated reference information, and each type of food is By discriminating the freshness of the product, it is possible to increase the accuracy of identification of the freshness of foods with different degrees of spoilage, and it has the effect of inducing the storage of the stored food under optimal conditions or consumption in a fresh state within an appropriate time.
  • sensors since the electronic device can detect different gases generated from different foods with a single sensor based on a plurality of measurement conditions set in a single sensor, sensors may be provided in proportion to the number of types of foods. Since there is no need, there is an effect of reducing the cost required for hardware configuration.
  • FIG. 1 is a diagram illustrating a network environment according to various embodiments of the present disclosure
  • FIG. 2 is a diagram illustrating a configuration example of an electronic device according to an embodiment.
  • FIG. 3 is a diagram illustrating a configuration example of an electronic device according to an embodiment.
  • FIG. 4 is a diagram illustrating an example of communication between an electronic device and external electronic devices according to an embodiment.
  • FIG. 5 is a diagram illustrating an example of a method of operating an electronic device according to an embodiment.
  • 6A and 6B are diagrams illustrating examples of designated reference information according to an embodiment.
  • FIG. 7 is a diagram illustrating an example of a method of operating an electronic device according to an embodiment.
  • FIGS. 8A and 8B are diagrams illustrating an example of a method of operating an electronic device according to an embodiment.
  • 9A and 9B are diagrams illustrating an example of a method of operating an electronic device according to an embodiment.
  • FIG. 10 is a diagram illustrating an example of an operation method in an electronic device according to an embodiment.
  • FIG. 11 is a diagram illustrating an example of a method of operating an electronic device according to an embodiment.
  • the term user used in various embodiments may refer to a person who uses an electronic device or a device (eg, an artificial intelligence electronic device) using the electronic device.
  • a device eg, an artificial intelligence electronic device
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments.
  • an electronic device 101 communicates with an 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 .
  • a first network 198 eg, a short-range wireless communication network
  • a second network 199 e.g., a second network 199
  • 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 may be included.
  • at least one of these components eg, the connection terminal 178
  • may be omitted or one or more other components may be added to the electronic device 101 .
  • 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 the volatile memory 132 , and may 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 the volatile memory 132 , and may 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 the 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).
  • the main processor 121 e.g, 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 main processor 121 e.g, 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 main processor 121 e.g, a central processing unit or an application processor
  • a secondary processor 123
  • the auxiliary processor 123 is, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or 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 co-processor 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. there is.
  • 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 of the electronic device 101 (eg, the processor 120 or the sensor module 176 ).
  • 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 in 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 may be used to receive an incoming call. 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 ) connected directly or wirelessly with the electronic device 101 . A sound may be output through the electronic device 102 (eg, a speaker or headphones).
  • an external electronic device eg, a sound output module 155
  • a sound may be output through 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, 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 gas sensor, 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, It may include a biometric sensor, a temperature sensor, a humidity sensor, or an illuminance sensor.
  • the interface 177 may support one or more designated 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.
  • HDMI high definition multimedia interface
  • USB universal serial bus
  • SD card interface Secure Digital Card
  • 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 LAN (local area network) communication module, or a power line communication module).
  • GNSS global navigation satellite system
  • 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 the 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 .
  • 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 includes various technologies 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.
  • MIMO massive multiple-input and multiple-output
  • the wireless communication module 192 may support various requirements specified 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 includes a peak data rate (eg, 20 Gbps or more) for realizing 1eMBB, 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).
  • 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)
  • GPIO general purpose input and output
  • SPI serial peripheral interface
  • MIPI mobile industry processor interface
  • 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 a part of operations executed in the electronic device 101 may be executed in 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.
  • 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.
  • an electronic device may be described as, for example, a device for controlling a home appliance (eg, a refrigerator) for storing food or a device for controlling a home appliance for storing food.
  • the freshness described according to an embodiment may mean a freshness level as a state in which food is not spoiled by bacteria or a state in which volatile basic nitrogen (VBN) is below a certain value.
  • VBN volatile basic nitrogen
  • FIG. 2 is a diagram illustrating a configuration example of an electronic device according to an embodiment.
  • an electronic device 201 (eg, the electronic device 101 of FIG. 1 ) according to an embodiment includes a processor 210 (eg, the processor 120 of FIG. 1 ) and a sensor module 220 . (eg, sensor module 176 of FIG. 1 ), communication module 230 (eg, communication module 190 of FIG. 1 ), memory 240 (eg, memory 130 of FIG. 1 ), and display 250 . ) (eg, the display module 160 of FIG. 1 ).
  • the electronic device 201 is not limited thereto, and may be configured by further including various components or by excluding some of the components.
  • the processor 210 of the electronic device 201 is to be configured by being electrically connected to the sensor module 220 , the communication module 230 , the memory 240 , and the display 250 . can
  • the processor 210 (eg, the processor 120 of FIG. 1 ) is stored from the memory 240 or an external electronic device (eg, the electronic device 102 or 103 or the server 108 of FIG. 1 ). Designated reference information for freshness determination may be obtained.
  • the processor 210 receives reference information specified from an external electronic device (eg, the electronic device 102 or 103 of FIG. 1 or the server 108 in FIG. 1 ) when executing an operation for freshness measurement, before or by a user's request. It may be stored in the memory 240 .
  • the designated reference information may include odor pattern information for each type of food and freshness reference data for each type of food.
  • the type of food is a classification of foods emitting different odors, and for example, meat (eg, chicken, pork, beef, or mutton) or fish, may indicate foods that generate different odors. For example, when different odors are generated for each part of the same type of food, the type of food may be further classified for each part of the same type of food.
  • the processor 210 may set a plurality of measurement conditions of at least one single sensor included in the sensor module 220 .
  • the at least one single sensor may be, for example, a gas sensor in which one sensor has different characteristics in reactivity (or frequency of reaction).
  • the plurality of measurement conditions may be conditions for adjusting the operating temperature of at least one single sensor based on the change in the reactivity of the sensor according to the measurement condition according to the change of the odor-causing gas generated respectively for each food.
  • the processor 210 may adjust the operating temperature of at least one single sensor at a specified period based on a plurality of set measurement conditions.
  • the operating temperature of the at least one single sensor may be sequentially adjusted to temperature values respectively set for a plurality of measurement conditions during a set measurement period.
  • the temperature values respectively set for the plurality of measurement conditions may be set based on a change in gas reactivity to odors generated differently by at least one sensor (eg, a gas sensor) for each food.
  • the plurality of measurement conditions may include different temperature values for adjusting the operating temperature of the sensor, respectively.
  • the processor 210 may set a first measurement condition including a reference temperature value (eg, 400 degrees (°C)).
  • the processor 210 sets the operating temperature to a first temperature value lower than a reference temperature value (eg, 400 degrees (°C)) so that the at least one sensor operates with a first sensor characteristic with a high frequency of response to a gas with low reactivity, and , a second measurement condition including the first temperature value may be set.
  • the processor 210 sets the operating temperature to a second temperature value higher than the reference temperature value so that the at least one sensor operates with a second sensor characteristic with a high response frequency to a gas with high reactivity, and includes the set second temperature value
  • a third measurement condition can be set.
  • the processor 210 may classify the temperature values of at least one single sensor for each type of food generating different odor-causing gases, for example.
  • the processor 210 may set a single measurement condition.
  • the processor 210 may set a plurality of measurement conditions based on temperature values for adjusting the operating temperature of the at least one single sensor.
  • the processor 210 may change a plurality of measurement conditions set based on freshness-related information of the target food.
  • the processor 210 may include a plurality of separate sensors having different responsiveness, and may set different measurement conditions for each of the plurality of sensors.
  • Each of the plurality of sensors may have different reactivity characteristics.
  • the processor 210 acquires environmental information indicating the food storage state of the food storage box of the electronic device 201 and reflects the acquired environmental information to improve the accuracy and reliability of food measurement information.
  • a plurality of measurement conditions can be set.
  • the processor 210 may adjust the measurement period of at least one single sensor based on the environment information.
  • the processor 210 may acquire food measurement information based on measurement signals sensed by at least one single sensor.
  • the processor 210 may acquire food-specific food measurement information based on food-specific measurement signals sequentially sensed by at least one single sensor according to a plurality of measurement conditions during a specified period.
  • the processor 210 may identify the type of food based on the food measurement information and designated reference information, and may identify the identified type of food as the target food.
  • the processor 210 generates an odor pattern based on the acquired food measurement information, and sets the generated odor pattern to odor pattern information (eg, a chicken odor pattern and/or a pork odor pattern) included in the specified reference information (811 and 813), a type of food (eg, chicken) corresponding to or having a similar pattern corresponding to specified odor pattern information (eg, odor pattern of chicken) having a similar pattern may be identified as a target food.
  • odor pattern information eg, a chicken odor pattern and/or a pork odor pattern
  • the processor 210 may acquire freshness-related information of the target food based on the specified reference information and food measurement information, and determine the freshness of the target food based on the acquired freshness-related information.
  • the processor 210 identifies the freshness reference data of the identified target food based on the freshness reference data included in the specified reference information, compares the identified freshness reference data with the measurement signals of the target food, the freshness of the target food of the target food , edible, fast consumption, or freshness stage comprising at least one of spoilage stage.
  • the processor 210 may identify the freshness of the target food based on the identified freshness level.
  • freshness-related information may include information indicative of a freshness stage comprising at least one of the fresh, edible, fast-consuming, or spoilage stages of the subject food, the shelf life (consumable period) of the subject food, or additional information (e.g., : safe cooking method or recommended dish).
  • the processor 210 may display the obtained freshness-related information or a guide message generated based on the freshness-related information on the display 250 .
  • the electronic device may transmit the acquired freshness-related information to an external electronic device through the communication module 250 (eg, the communication module 190 of FIG. 1 ).
  • the processor 210 is a hardware module or a software module (eg, an application program), and includes various sensors, a data measurement module, an input/output interface, and an electronic device 201 included in the electronic device 201 . It may be a hardware component (function) or a software component (program) including at least one of a module or a communication module for managing the state or environment of the .
  • the processor 210 may include, for example, one or a combination of two or more of hardware, software, and firmware.
  • the processor 210 may be configured to omit at least some of the above components or further include other components for performing an image processing operation in addition to the above components.
  • the sensor module 220 may include at least one single sensor and/or a plurality of different sensors.
  • At least one single sensor may be, for example, a gas sensor in which a plurality of sensors having different gas reactivity have different characteristics (or functions). For example, as a single gas sensor that detects a reaction between gas and oxygen, it is possible to detect odors generated from different types of food being stored.
  • the operating temperature of at least one single sensor may be adjusted to a temperature value set under the control of the processor 210 .
  • At least one single sensor may control the operating temperature by heating a heater (not shown) connected to the sensing film (not shown) to a set temperature value (eg, 400°C) to control the operating temperature.
  • the operating temperature of at least one single sensor may be sequentially changed to temperature values respectively set in a plurality of measurement conditions during a set measurement period.
  • a plurality of different characteristics of the at least one single sensor may be sequentially operated in response to a plurality of measurement conditions.
  • the operating temperature of the at least one single sensor is adjusted to a first temperature value (eg, a temperature lower than a reference temperature)
  • the sensor may operate with a characteristic of a sensor sensitively reacting to a gas having low gas reactivity.
  • the at least one single sensor when the operating temperature of the at least one single sensor is adjusted to a second temperature value (eg, a temperature higher than a reference temperature), the at least one single sensor operates with a sensor characteristic that is sensitive to a gas with high gas reactivity can do.
  • the temperature values of the at least one single sensor may be set separately for each type of food generating a different odor-causing gas for each food.
  • the communication module 230 communicates with an external electronic device (eg, the electronic device 101 of FIG. 1 , the server 108 of FIG. 1 , or another user's electronic device).
  • the communication module 230 may transmit at least one of food measurement information, identification information (eg, food type) of the target food, or freshness related information of the target food to the external electronic device.
  • the communication module 230 may receive food measurement information from an external electronic device.
  • the communication module 230 may include a cellular module, a wireless-fidelity (Wi-Fi) module, a Bluetooth module, or a near field communication (NFC) module.
  • Wi-Fi wireless-fidelity
  • NFC near field communication
  • a memory 240 may store an application.
  • the memory 240 may store an application (function or program) for determining the freshness of food and an application for food management.
  • the memory 240 may store various data generated during execution of the program 140 , including a program (eg, the program 140 of FIG. 1 ) used for functional operation.
  • the memory 240 may largely include a program area 140 and a data area (not shown).
  • the program area 140 may store related program information for driving the electronic device 201 , such as an operating system (OS) for booting the electronic device 201 (eg, the operating system 142 of FIG. 1 ).
  • OS operating system
  • the data area may store transmitted and/or received data and generated data according to various embodiments.
  • the memory 240 may be a flash memory, a hard disk, or a multimedia card micro type memory (eg, secure digital (SD) or extreme digital (XD) memory). ), RAM, and ROM may be configured to include at least one storage medium.
  • the memory 240 may store food measurement information, designated reference information, and/or freshness-related information of the target food.
  • a display 250 may be implemented in the form of a touch screen.
  • the display 250 may display various information generated according to a user's touch operation.
  • the display 250 may display the acquired freshness-related information or a guide message generated based on the acquired freshness-related information.
  • the display 250 is a liquid crystal display (LCD), a thin film transistor LCD (TFT-LCD), an organic light emitting diode (OLED), a light emitting diode (LED), an active matrix organic LED (AMOLED), It may be composed of at least one or more of a flexible display and a three-dimensional display.
  • some of these displays may be configured as a transparent type or a light transmitting type so that the outside can be viewed through them.
  • This may be configured in the form of a transparent display including a transparent OLED (TOLED).
  • another mounted display module eg, an extended display or a flexible display
  • an extended display or a flexible display may be further included.
  • the electronic device 201 includes an audio module (not shown) (eg, the audio module 170 of FIG. 1 ) or a vibration module (not shown) (eg, the haptic module 179 of FIG. 1 ).
  • the audio module can output sound, for example, the identification information of the target food among audio codec, microphone (MIC), receiver, earphone output (EAR_L), or speaker. food type) and/or freshness-related information of the target food may be output as an audio signal.
  • the vibration module may output identification information (eg, food type) of the target food and/or freshness related information of the target food as vibration.
  • the main components of the electronic device have been described through the electronic device 201 of FIG. 2 .
  • the electronic device 201 may be implemented by more components than the illustrated components, or fewer components than the illustrated components.
  • the electronic device 201 may be implemented by
  • positions of major components of the electronic device 201 described above with reference to FIG. 2 may be changeable according to various embodiments.
  • FIG. 3 is a diagram illustrating a configuration example of an electronic device according to an embodiment
  • FIG. 4 is a diagram illustrating an example of communication between the electronic device and external electronic devices according to an embodiment.
  • the electronic device 201 may be, for example, a home appliance (eg, a refrigerator) capable of storing food. As shown in (a) of FIG. 3 , the electronic device 201 is provided with a storage box 301 for separately storing fresh foods therein, and the smell generated from the foods stored in the storage box 301 . It may be configured to include at least one single sensor (eg, a gas sensor) 303 for measuring .
  • the at least one single sensor 303 may be mounted inside the storage box 301 and may be a gas sensor that detects a gaseous odor that occurs in foods.
  • the electronic device 201 may be configured to include a plurality of different sensors (eg, gas sensors) having different gas reactivity.
  • the electronic device 201 may form a display 250 on an outer surface (eg, a front surface) of a housing, and the display 250 is adjacent to the display 250 .
  • the processor 210 for determining the freshness of foods stored in the storage box 301 by controlling the display 250 and at least one sensor inside the region may be formed.
  • the processor 210 collects environmental information related to food storage including at least one of whether the door of the electronic device 201 is opened or closed, a cooling control situation, or whether food is stored, and further applies the collected environmental information when determining freshness to a plurality of It is possible to set the measurement conditions of , and determine the freshness of the target food.
  • the electronic device 201 may control the identified target food type and/or acquired freshness related information of the target food to be displayed on the display 250 .
  • the electronic device 201 may provide the identified type of target food and/or information related to the freshness of the acquired target food by voice through an audio module (eg, the audio module 170 of FIG. 1 ).
  • the electronic device 201 is at least one external electronic device connected by wire and/or wireless communication through a communication module (eg, the communication module 230 of FIG. 2 ).
  • Designated reference information may be acquired from the first database 411 and the second database 413 managed by the 401 (eg, the electronic device 102 or 103 or the server 108 of FIG. 1 ).
  • the electronic device 201 communicates the freshness-related information obtained as measurement signals sensed from at least one single sensor 303 through the communication module, information on the identified target food and/or freshness determination result information of the target food.
  • the transmission may be performed to at least one of the at least one other external electronic devices 403 , 405 , or 407 through a module (eg, the communication module 230 of FIG. 2 ).
  • the electronic device 201 may be configured without including the display 250 .
  • the electronic device 201 uses a communication module (eg, the communication module 230 of FIG. 2 ) to display result information and/or additional information of freshness determination of the target food in an external electronic device having a display (not shown). )) through the measurement signals sensed from the at least one single sensor 303, information on the identified target food, and/or freshness-related information of the target food as result information of freshness determination may be transmitted.
  • a communication module eg, the communication module 230 of FIG. 2
  • the electronic device 201 may be an electronic device (eg, the electronic device 101 of FIG. 1 ) of a portable device (eg, a smart phone) that interworks with a home appliance (eg, a refrigerator).
  • a home appliance eg, a refrigerator
  • the home appliance device eg, refrigerator
  • the electronic device 201 eg, in FIG. 1
  • a communication module eg, the communication module 230 of FIG. 2
  • Measurement signals sensed by the sensor may be transmitted to the electronic device 101 .
  • the electronic device 201 has been described as an example of a home appliance (eg, a refrigerator) capable of storing foods, but the electronic device 201 is a home appliance (eg, a home appliance) storing foods.
  • a home appliance eg, a home appliance
  • it may be a portable communication device (eg, a smartphone), a computer device, a portable multimedia device, a portable medical device, a camera, or a wearable device that interworks with a refrigerator).
  • An electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 201 of FIG. 2 ) according to an embodiment is connected to a sensor module including at least one sensor, a memory, and the sensor module and the memory at least one processor configured to: obtain specified reference information, set a plurality of measurement conditions of the at least one sensor, and store food from the at least one sensor based on the plurality of measurement conditions Acquire food measurement information of the, based on the food measurement information and the specified reference information, identify a target food among the stored foods, obtain freshness-related information of the target food, and based on the acquired freshness-related information It may be configured to identify the freshness of the target food.
  • a sensor module including at least one sensor, a memory, and the sensor module and the memory at least one processor configured to: obtain specified reference information, set a plurality of measurement conditions of the at least one sensor, and store food from the at least one sensor based on the plurality of measurement conditions Acquire food measurement information of the, based on the food measurement information and the
  • the electronic device may further include a display connected to the processor, and the processor may be configured to control the display to display freshness-related information of the identified target food.
  • the electronic device further includes a communication module connected to the processor, wherein the processor is configured to control the communication module to transmit freshness related information of the identified target food to an external electronic device can be
  • the processor may be further configured to identify an expected storage period of the target food based on the acquired freshness-related information.
  • the processor may control the at least one sensor to adjust the operating temperature of the at least one sensor in response to temperature values included in the plurality of measurement conditions, respectively.
  • the processor when adjusting the operating temperature of the at least one sensor, sets the operating temperature to a first temperature lower than a reference temperature value such that the at least one sensor operates with a first sensor characteristic with a high response frequency to a gas with low gas reactivity. value, and the operating temperature may be set to a second temperature value higher than the reference temperature value so that the at least one sensor operates as a second sensor characteristic with a high response frequency to the gas having high gas reactivity.
  • the at least one sensor may be a gas sensor for detecting different gases generated from stored foods.
  • the at least one sensor may be a single sensor having a plurality of sensor characteristics in which the gas reactivity is different from each other.
  • the plurality of sensor characteristics may operate respectively in response to the plurality of measurement conditions.
  • the specified reference information may include at least one of smell pattern information and freshness reference data.
  • the freshness-related information may include at least one of information indicating a freshness stage of the target food, an expected storage period, and additional information.
  • the processor obtains environmental information indicating a food storage state of the electronic device, and when setting the plurality of measurement conditions, adjusts a measurement period of the at least one sensor based on the environmental information can be configured to
  • the processor may be configured to change the set plurality of measurement conditions based on the freshness-related information of the target food.
  • the processor may be configured to adjust a storage environment, etc. to maintain the quality of the target food set based on the freshness-related information of the target food.
  • FIG. 5 is a diagram illustrating an example of an operating method of an electronic device according to an embodiment
  • FIGS. 6A and 6B are diagrams illustrating an example of designated reference information according to an embodiment
  • FIG. 5 is an electronic device according to an embodiment It is a figure which shows an example of the operation method of an apparatus.
  • the electronic device may acquire specified reference information.
  • the designated reference information may include reference odor pattern information for each food and designated reference information.
  • the specified reference information is a place for each food that needs fresh storage (eg, beef, lamb, pork, chicken, or duck) (eg, slaughterhouse, meat packaging processing plant, and meat sales place)
  • the specified reference information is a place for each food that needs fresh storage (eg, beef, lamb, pork, chicken, or duck) (eg, slaughterhouse, meat packaging processing plant, and meat sales place)
  • standard freshness reference data indicating normal bacterial count (CFU/g, cm 2 ) and E. coli count (CFU/g, cm 2 ) and volatile basic nitrogen (VBN, mg/100 g) over time can do.
  • the designated reference information is, for example, as shown in FIG. 6B , the reference data 601 indicating the correlation of the sensor signal and the storage period and/or the designated reference data based on standard freshness reference data for each food item (eg, beef and pork). meat) reference data 603 and 605 indicating a correlation between normal bacterial count/VBN and storage period.
  • standard freshness reference data for each food item (eg, beef and pork). meat) reference data 603 and 605 indicating a correlation between normal bacterial count/VBN and storage period.
  • the electronic device may set a plurality of measurement conditions of at least one single sensor.
  • the electronic device may set temperature values for adjusting the operating temperature of at least one single sensor, and set a plurality of measurement conditions based on the set temperature values. For example, if the operating temperature of at least one single sensor does not change, the electronic device may set a single measurement condition. For example, when the operating temperature of the at least one single sensor is changed, the electronic device may set a plurality of measurement conditions based on temperature values for adjusting the operating temperature of the at least one single sensor.
  • the plurality of measurement conditions may be conditions for adjusting the operating temperature of at least one single sensor based on the fact that the reactivity (or reaction frequency) according to the measurement conditions of the sensor varies according to the change of the odor-causing gas generated for each food.
  • a first condition is a condition set based on a first temperature value (eg, 400 degrees (°C)) of an operating temperature of the sensor
  • a second condition is a condition set based on an operating temperature of the sensor as a second temperature.
  • the value (eg, a temperature lower than 400 degrees (°C)) and the third condition may be conditions set based on a third temperature value (eg, a temperature higher than 400 degrees (°C)).
  • the electronic device may acquire food measurement information based on measurement signals detected from at least one single sensor based on a plurality of set measurement conditions.
  • the electronic device may identify a target food based on the food measurement information and the designated reference information, and acquire freshness related information of the target food.
  • the electronic device generates an odor pattern 701 based on the measurement signals, and uses the generated odor pattern 701 to be designated as shown in (c) and (d) of FIG. 7 .
  • a specified odor pattern having a similar pattern eg, chicken odor patterns 711, 713 and 715 and/or pork odor patterns 721, 722 and 723 included in the reference information.
  • a type of food eg, chicken
  • a type of food corresponding to one of the chicken smell patterns 711 , 713 and 715 of FIG. 7C
  • the electronic device may provide odor pattern information for each type of food included in the reference information (eg, designated odor patterns 711 , 713 and 715 , 721 , 722 , and 723 such as (c) and (d) of FIG. 7 ).
  • the electronic device includes, for example, chicken odor patterns 711 in the distribution diagram as shown in Fig. 7(b). , 713 and 715 may be identified, and a region 703 in which coordinate values related to odor patterns 721 , 723 and 725 are distributed may be identified.
  • the type of target food may be identified as chicken.
  • the electronic device may identify the freshness of the target food based on the acquired freshness-related information.
  • freshness-related information may include information indicative of a freshness stage comprising at least one of the fresh, edible, fast-consuming, or spoilage stages of the subject food, the shelf life (consumable period) of the subject food, or additional information (e.g., : safe cooking method or recommended dish).
  • the electronic device may display the acquired freshness-related information or a guide message generated based on the freshness-related information on a display (eg, the display module 160 of FIG. 1 or the display 250 of FIG. 2 ). .
  • the electronic device may transmit the acquired freshness-related information to an external electronic device through a communication module (eg, the communication module 190 of FIG. 1 or the communication module 230 of FIG. 2 ).
  • the electronic device may perform an operation of adjusting the storage environment of the electronic device (or storage box (eg, storage box 301 of FIG. 3 )) for storing food.
  • 8A, 8B, and 8C are diagrams illustrating an example of a method of operating an electronic device according to an embodiment.
  • an electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 201 of FIG. 2 ) according to an embodiment includes sensor signals 801 corresponding to a plurality of measurement conditions, respectively.
  • reference data eg, first reference data
  • reference data may be represented by matching reference data 805 to which a weight 803 has been applied and standard reference data 807 .
  • the electronic device may provide the user with graphs in which the reference data 805 and the standard reference data 807 are matched.
  • the electronic device provides reference data (eg, the second reference data) 811 or 821 may be obtained.
  • the electronic device may identify a change in the freshness of the food according to the storage period based on the reference data 811 or 821 .
  • the electronic device may identify a freshness, edible, early consumption, or spoilage stage of the food based on the reference data 811 or 821 .
  • the electronic device provides reference data (eg, third reference data), weighted reference data 813 or 823 and standard reference data 815 or 825 may be acquired.
  • the electronic device may check the freshness change of the food according to the sensor signal based on the reference data (at least one of 813, 823, 815, or 825).
  • the electronic device may identify the freshness, edible, early consumption, or spoilage stage of the food based on the reference data (at least one of 813, 823, 815, or 825).
  • 9A and 9B are diagrams illustrating an example of a method of operating an electronic device according to an embodiment.
  • the electronic device provides reference data (eg, third reference data) 815 indicating a correlation between a sensor signal and a normal bacterial count or VBN. or 825) to identify a sensor signal (eg, 585.06) corresponding to the current measurement signal obtained from at least one single sensor, and a common bacterial count (eg, TVB 4.1 log CFU/g) corresponding to the identified sensor signal; or VBN (eg 8mg/100g) can be identified.
  • the electronic device may set a point of reference data indicating the identified sensor signal and the identified number of general bacteria or VBN as a reference point 911 for freshness determination.
  • the electronic device may determine that the target food (eg, chicken) is fresh based on the identification that the set reference point 911 is included in the area indicating the freshness stage.
  • the electronic device includes a sensor signal (eg, first reference data) identified from reference data (eg, first reference data) 807 indicating a correlation between a sensor signal and a storage period. : 585.06) may be identified, and a storage period (eg, 76 hours) indicated by the identified reference point 911 may be identified.
  • the electronic device determines that an identified reference point (eg, a first reference point) 911 and/or a reference point (eg, a second reference point) indicating a current measurement value sensed by at least one single sensor (eg, a second reference point) 913 indicates a drawing stage. It may be determined that the target food is in a fresh state based on the identification of what is included in the area.
  • the electronic device identifies a current measurement value (eg, 664.42) included in food measurement information obtained from a single sensor and a storage period (72 hours and 30 minutes) corresponding to the measurement value, and identifies It is possible to identify the rate of change of the measured value (eg, 340.63) from the reference point 1005 indicating the measured value and the storage period. For example, the electronic device may calculate the change rate based on the previous measurement value and the measurement value at the time of determination. The electronic device determines a sensor signal value (eg, 585.06) and a storage period (76 hours) similar to the measured value and storage period identified in the reference data (eg, first reference data) 807 indicating a correlation between the sensor signal and the storage period.
  • a sensor signal value eg, 585.06
  • a storage period 76 hours
  • the electronic device may identify the current position (corruption progress stage) of the measured value based on the reference point 917 identified in the reference data (eg, first reference data) 807 of the graph as illustrated in FIG. 9B . .
  • the electronic device may check the expected storage period of the target food, which indicates the consumable period before spoilage of the food, based on the change rate and change direction of the measured value of the target food. For example, as shown in (a) of Figure 9a, the electronic device is a day from the time (156 hours) corresponding to the time (eg, the number of bacteria (TVB 6.6 log CFU / g)) when the spoilage of the target food starts.
  • the estimated shelf life eg 56 hours
  • can be calculated by subtracting the identified storage period (eg 76 hours) from before (24 hours) (eg 156-24-76 56 hours).
  • FIG. 10 is a diagram illustrating an example of a method of operating an electronic device according to an embodiment.
  • the electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 201 of FIG. 2 ) according to an embodiment is stored in a storage box (eg, the storage box 301 of FIG. 3 ).
  • a storage box eg, the storage box 301 of FIG. 3 .
  • may check the control state of and in operation 1003 , it may be determined whether the door of the electronic device is closed and the fan operation is stopped.
  • the measurement environment of a sensor for determining the freshness of food is variable due to a temperature change when the door is opened and closed. You can set the signal measurement period of the sensor.
  • the set signal measurement period may be included in a plurality of measurement conditions.
  • operation 1005 may be performed. Otherwise, operation 1001 may be performed again.
  • the electronic device checks the elapsed time T after the door is closed and the fan operation is stopped.
  • the electronic device 201 determines that the elapsed time T is greater than the specified time T 0 , 1009 . action can be performed. If it is determined that the elapsed time T is not greater than the specified time T 0 , the electronic device may perform operation 1001 again.
  • the electronic device may acquire measurement signals of foods through at least one sensor during a set signal measurement period.
  • the electronic device may obtain food measurement information by removing noise and processing the acquired measurement signals.
  • the electronic device performs the target food among the foods stored in the storage box as in operations 507 and 509 of FIG. 5 based on the food measurement information acquired by the operation method of FIG. 10 and the designated reference information.
  • chicken may be identified
  • freshness-related information of the target food may be acquired
  • the freshness of the target food may be identified based on the acquired freshness-related information.
  • freshness-related information may include information indicative of a freshness stage comprising at least one of the fresh, edible, fast-consuming, or spoilage stages of the subject food, the shelf life (consumable period) of the subject food, or additional information (e.g., : safe cooking method or recommended dish).
  • FIG. 11 is a diagram illustrating an example of a screen according to a method of operating an electronic device according to an embodiment.
  • the electronic device 201 displays the freshness-related information obtained by the operation method of FIGS. 5 and 11 or a guide message 1103 generated based on the obtained freshness-related information. It can be displayed on the execution screen 1101 of 250 .
  • the electronic device 201 identifies the type of the target food as, for example, chicken, identifies the freshness level of the identified target food as the fresh level, and identifies the expected storage period as 3 days, so as to provide a guide message (“current storage”).
  • the current status of the chicken being cooked is fresh. Please consume within the next 3 days.
  • the recommended cooking method is ##)(1103).
  • the electronic device 201 may display specific information (not shown) on the recommended cooking method together on the display 250 according to the freshness-related information.
  • the electronic device may transmit the acquired freshness-related information and a guide message 1103 to be displayed by the external electronic device to the external electronic device.
  • An operating method in an electronic device includes an operation of acquiring specified reference information and a plurality of measurements of at least one sensor setting conditions, obtaining food measurement information of stored foods from the at least one sensor based on the plurality of measurement conditions, based on the food measurement information and the specified reference information, a target among the stored foods It may include an operation of identifying a food and acquiring freshness-related information of the target food, and an operation of identifying the freshness of the target food based on the acquired freshness-related information.
  • the method may further include displaying on the display of the electronic device to display freshness related information of the identified target food.
  • the method may further include transmitting the identified freshness related information of the target food to an external electronic device through a communication module of the electronic device.
  • the method may further include identifying an expected storage period of the target food based on the acquired freshness-related information.
  • the method may further include adjusting a storage environment to maintain the quality of the target food based on the acquired freshness-related information.
  • the method may further include controlling the at least one sensor to adjust the operating temperature of the at least one sensor in response to temperature values included in the plurality of measurement conditions, respectively.
  • the operation of controlling the at least one sensor operating temperature to be adjusted may include setting the operating temperature to a first temperature lower than a reference temperature value so that the at least one sensor operates with a first sensor characteristic with a high response frequency to a gas with low gas reactivity. setting the operating temperature to a value and setting the operating temperature to a second temperature value higher than the reference temperature value so that the at least one sensor operates as a second sensor characteristic with a high response frequency to the gas with high gas reactivity. can do.
  • the at least one sensor may be a gas sensor for detecting different gases generated from stored foods.
  • the at least one sensor may be a single sensor having a plurality of sensor characteristics in which the gas reactivity is different from each other.
  • the plurality of sensor characteristics may operate respectively in response to the plurality of measurement conditions.
  • the specified reference information may include at least one of smell pattern information and freshness reference data.
  • the freshness-related information may include at least one of information indicating a freshness stage of the target food, an expected storage period, and additional information.
  • the measurement period of the at least one sensor is determined based on the environmental information. It may further include an operation of adjusting.
  • the method may further include changing the plurality of set measurement conditions based on the freshness-related information of the target food.
  • a computer-readable storage medium includes a hard disk, a floppy disk, magnetic media (eg, magnetic tape), optical media (eg, compact disc read only memory (CD-ROM), DVD ( digital versatile disc), magneto-optical media (such as floppy disk), hardware devices (such as read only memory (ROM), random access memory (RAM), or flash memory, etc.) ), etc.
  • the program instructions may include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter, etc.
  • the above-described hardware device includes various It may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.
  • the processor when the program is executed by a processor, acquires specified reference information, sets a plurality of measurement conditions of at least one sensor, the Acquiring food measurement information of stored foods from the at least one sensor based on a plurality of measurement conditions, based on the food measurement information and the specified reference information, identifying a target food among the stored foods and the target food It may include an executable instruction to perform an operation of acquiring the freshness-related information of and identifying the freshness of the target food based on the acquired freshness-related information.
  • 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 be used simply to distinguish an element from other elements in question, and may refer elements to 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
  • one or more instructions stored in a storage medium may be implemented as software (eg, the program 140) including
  • 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 as included in a 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 between smartphones (eg: smartphones) and online.
  • a part 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 relay server.
  • each component (eg, module or 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. there is.
  • 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.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

Le présent document concerne un dispositif électronique et un procédé de fonctionnement dans le dispositif électronique. Selon un mode de réalisation, le dispositif électronique comprend : un module de détection comportant au moins un capteur ; une mémoire ; et au moins un processeur connecté au module de détection et à la mémoire. Le processeur peut être configuré : pour obtenir des informations de référence spécifiées ; pour définir une pluralité de conditions de mesure du ou des capteurs ; pour obtenir des informations de mesure d'aliments, par rapport à des aliments stockés, à partir du ou des capteurs en fonction de la pluralité de conditions de mesure ; pour identifier un aliment cible parmi les aliments stockés en fonction des informations de mesure d'aliments et des informations de référence spécifiées et pour obtenir des informations liées à la fraîcheur de l'aliment cible ; et pour identifier la fraîcheur de l'aliment cible en fonction des informations liées à la fraîcheur obtenues. D'autres modes de réalisation sont également possibles.
PCT/KR2021/010429 2020-08-14 2021-08-06 Dispositif électronique, procédé et support de stockage non transitoire permettant d'identifier la fraîcheur des aliments WO2022035143A1 (fr)

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KR10-2020-0102674 2020-08-14
KR1020200102674A KR20220021742A (ko) 2020-08-14 2020-08-14 식품의 신선도를 식별하기 위한 전자 장치, 방법 및 비일시적 저장 매체

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KR102492907B1 (ko) * 2022-04-25 2023-01-31 주식회사 에이티오 인공지능 기반의 수산물 유통 및 관리 서비스 제공 방법 및 장치
WO2024122980A1 (fr) * 2022-12-06 2024-06-13 에스케이플래닛 주식회사 Procédé de suivi de l'état d'un aliment sur la base d'images spectrales, procédé de gestion d'aliment et dispositif de gestion d'aliment prenant en charge les procédés
KR102547072B1 (ko) 2023-03-16 2023-06-23 (주) 제로하우스 물류·유통 순환 및 신선도 관리가 용이한 패키징 시스템

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KR960031942A (ko) * 1995-02-09 1996-09-17 구자홍 냉장고의 야채실 신선도 제어장치
KR970071000A (ko) * 1996-04-09 1997-11-07 구자홍 가스센서를 이용한 육류선도측정장치
KR20120058290A (ko) * 2010-11-29 2012-06-07 한국식품연구원 스마트 냉장고에서 식품 품질지수를 이용한 식품의 신선도 정보 제공 방법 및 시스템
US20170184342A1 (en) * 2015-12-28 2017-06-29 Samsung Electronics Co., Ltd Refrigerator and method for controlling the same
KR20200034903A (ko) * 2018-09-21 2020-04-01 삼성전자주식회사 냉장고 내 객체의 상태와 관련된 정보를 제공하는 방법 및 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960031942A (ko) * 1995-02-09 1996-09-17 구자홍 냉장고의 야채실 신선도 제어장치
KR970071000A (ko) * 1996-04-09 1997-11-07 구자홍 가스센서를 이용한 육류선도측정장치
KR20120058290A (ko) * 2010-11-29 2012-06-07 한국식품연구원 스마트 냉장고에서 식품 품질지수를 이용한 식품의 신선도 정보 제공 방법 및 시스템
US20170184342A1 (en) * 2015-12-28 2017-06-29 Samsung Electronics Co., Ltd Refrigerator and method for controlling the same
KR20200034903A (ko) * 2018-09-21 2020-04-01 삼성전자주식회사 냉장고 내 객체의 상태와 관련된 정보를 제공하는 방법 및 시스템

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