WO2024021689A1 - 用于检测母乳新鲜度的方法及冷藏设备、存储介质 - Google Patents

用于检测母乳新鲜度的方法及冷藏设备、存储介质 Download PDF

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Publication number
WO2024021689A1
WO2024021689A1 PCT/CN2023/088858 CN2023088858W WO2024021689A1 WO 2024021689 A1 WO2024021689 A1 WO 2024021689A1 CN 2023088858 W CN2023088858 W CN 2023088858W WO 2024021689 A1 WO2024021689 A1 WO 2024021689A1
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Prior art keywords
breast milk
freshness
radio frequency
rfid
dielectric properties
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PCT/CN2023/088858
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English (en)
French (fr)
Inventor
苟茜
刘浩泉
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青岛海尔电冰箱有限公司
海尔智家股份有限公司
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Publication of WO2024021689A1 publication Critical patent/WO2024021689A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/24—Investigating the presence of flaws
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation

Definitions

  • This application relates to the technical field of refrigeration equipment, for example, to a method for detecting the freshness of breast milk, refrigeration equipment, and storage media.
  • breast milk is the main food source for newborn babies and young children.
  • infant's mother's milk is sufficient, part of the breast milk will be stored in the refrigerator.
  • Breast milk deteriorates at a slower rate in low-temperature environments, and users can keep breast milk fresh by refrigerating it.
  • breast milk will deteriorate after being stored in the refrigerator for a long time. If you mistakenly feed spoiled breast-fed infants and young children, it will cause diarrhea, fever and other serious adverse reactions in infants and young children. For this reason, how to identify the freshness of refrigerated breast milk has become an urgent technical problem that needs to be solved.
  • a breast milk storage refrigerator which includes a box body, a refrigeration device and a controller arranged outside the box body.
  • the controller is configured with a timer for timing the bottle.
  • the controller is used to obtain the storage time of the milk bottle through a timer, and when the storage time reaches the set overdue storage time, it will remind through the display screen electrically connected to the controller to distinguish fresh breast milk from overdue breast milk.
  • Embodiments of the present disclosure provide a method, a refrigeration device and a storage medium for detecting the freshness of breast milk, so as to improve the accuracy of determining the freshness of breast milk.
  • the method is applied to a refrigeration equipment, the refrigeration equipment is configured with a refrigeration chamber, and the refrigeration equipment
  • the chamber stores a storage device for accommodating breast milk.
  • the storage device is characterized in that an electronic tag is attached to the storage device.
  • the method includes: obtaining an electrical signal associated with the dielectric properties of breast milk through the electronic tag; signal to determine the freshness of the breast milk.
  • the refrigeration equipment includes: a refrigeration room; a storage device containing breast milk, which is stored in the refrigeration room; and an electronic tag attached to the storage device for obtaining the dielectric properties of the breast milk.
  • Associated electrical signal processor, electrically connected to the electronic tag, used to determine the freshness of the breast milk according to the electrical signal.
  • the refrigeration device includes a processor and a memory storing program instructions, and the processor is configured to execute the aforementioned method for detecting breast milk freshness when running the program instructions.
  • the storage medium stores program instructions that, when run, execute the method for detecting breast milk freshness as described above.
  • the method, refrigeration equipment and storage medium for detecting breast milk freshness provided by the embodiments of the present disclosure can achieve the following technical effects:
  • Breast milk deterioration is caused by the metabolism of components in the milk by microorganisms in the breast milk.
  • the conductive particles in the breast milk change. That is, the dielectric properties of breast milk can reflect the freshness of breast milk.
  • Embodiments of the present disclosure obtain electrical signals associated with the dielectric properties of breast milk through electronic tags, convert the dielectric properties into electrical signals, thereby determining the freshness of breast milk in the form of electrical signals, improving the ability to identify the freshness of breast milk. accuracy.
  • embodiments of the present disclosure determine the freshness of breast milk by attaching an electronic tag to the storage device, thereby achieving non-destructive testing of the freshness of breast milk.
  • Figure 1 is a schematic diagram of a method for detecting breast milk freshness provided by an embodiment of the present disclosure
  • Figure 2 is a schematic diagram of another method for detecting breast milk freshness provided by an embodiment of the present disclosure
  • Figure 3 is a schematic diagram of another method for detecting breast milk freshness provided by an embodiment of the present disclosure.
  • Figure 4 is a schematic diagram of another method for detecting breast milk freshness provided by an embodiment of the present disclosure.
  • FIG. 5 is an application schematic diagram of an embodiment of the present disclosure
  • Figure 6 is a schematic diagram of a refrigeration device provided by an embodiment of the present disclosure.
  • A/B means: A or B.
  • a and/or B means: A or B, or A and B.
  • correspondence can refer to an association relationship or a binding relationship.
  • correspondence between A and B refers to an association relationship or a binding relationship between A and B.
  • the terminal device refers to an electronic device with a wireless connection function.
  • the terminal device can communicate with the smart home appliances by connecting to the Internet, or can directly communicate with the above smart home appliances through Bluetooth, wifi, etc. connect.
  • the terminal device is, for example, a mobile device, a computer, or a vehicle-mounted device built into a floating vehicle, or any combination thereof.
  • Mobile devices may include, for example, mobile phones, smart home devices, wearable devices, smart mobile devices, virtual reality devices, etc., or any combination thereof.
  • Wearable devices may include, for example, smart watches, smart bracelets, pedometers, etc.
  • Breast milk is the main food source for newborn babies and young children. Breast milk will deteriorate after being stored in the refrigerator for a long time. If you mistakenly feed spoiled breast-fed infants and young children, it will cause diarrhea, fever and other serious adverse reactions in infants and young children. For this reason, how to identify the freshness of refrigerated breast milk has become an urgent technical problem that needs to be solved.
  • a breast milk storage refrigerator which includes a box body, a refrigeration device and a controller arranged outside the box body.
  • the controller is configured with a timer for timing the bottle.
  • the controller is used to obtain the storage time of the milk bottle through a timer, and when the storage time reaches the set overdue storage time, it will remind through the display screen electrically connected to the controller to distinguish fresh breast milk from overdue breast milk.
  • Embodiments of the present disclosure provide a refrigeration equipment configured with a refrigeration chamber, a processor and an RFID (Radio Frequency Identification, Radio Frequency Identification) reader.
  • a storage device for breast milk is stored in the refrigerator compartment.
  • the storage device is attached with an electronic label.
  • Electronic tags include radio frequency identification RFID tags and RFID antennas.
  • the RFID tag is communicated with the RFID antenna.
  • the RFID reader communicates with the RFID tag through the RFID antenna.
  • the processor is electrically connected to the RFID reader.
  • refrigeration equipment includes refrigerators, freezers and other refrigeration equipment with refrigeration functions.
  • an embodiment of the present disclosure provides a method for detecting the freshness of breast milk, including:
  • the processor obtains electrical signals related to the dielectric properties of breast milk through electronic tags.
  • the processor determines the freshness of breast milk based on the electrical signal.
  • the deterioration of breast milk is caused by the metabolism of components in the milk by microorganisms in the breast milk.
  • the conductive particles in the breast milk change. That is, the dielectric properties of breast milk can reflect the freshness of breast milk.
  • Embodiments of the present disclosure obtain electrical signals associated with the dielectric properties of breast milk through electronic tags, convert the dielectric properties into electrical signals, thereby determining the freshness of breast milk in the form of electrical signals, improving the ability to identify the freshness of breast milk. accuracy.
  • embodiments of the present disclosure determine the freshness of breast milk by attaching an electronic tag to the storage device, thereby achieving non-destructive testing of the freshness of breast milk.
  • Figure 5 shows a graph showing the change in the resonant frequency corresponding to the radio frequency signal associated with the respective dielectric properties of breast milk and water in the time dimension.
  • the change in the resonant frequency corresponding to the radio frequency signal remains zero.
  • the change in the resonant frequency corresponding to the radio frequency signal shows an increasing trend in the time period of 0 to 35 hours, and in the time period of 35 hours to 45 hours The upward trend gradually slowed down.
  • the change in the resonant frequency gradually increases with the change in the dielectric properties of breast milk.
  • the increasing trend generally shows a rapid increasing trend at first, increases to a certain peak, then slowly increases, and finally, basically remains.
  • the processor obtains electrical signals related to the dielectric properties of breast milk through electronic tags, including:
  • the processor uses the RFID tag to read the radio frequency signal associated with the dielectric properties.
  • the processor analyzes the radio frequency signal through the RFID reader, determines the resonant frequency corresponding to the radio frequency signal, and determines the freshness of the breast milk based on the resonant frequency.
  • the embodiment of the present disclosure reads the radio frequency signal associated with the dielectric characteristics through the RFID tag, and then analyzes the radio frequency signal through the RFID reader to determine the resonant frequency corresponding to the radio frequency signal. Finally, the freshness of breast milk is determined through the resonant frequency. This will help improve the accuracy of judging the freshness of breast milk.
  • the processor reads radio frequency signals associated with dielectric properties through the RFID tag, including:
  • the processor reads radio frequency signals associated with dielectric properties at intervals.
  • the processor reads the radio frequency signal associated with the dielectric properties at intervals, which may be to periodically obtain the radio frequency signal according to a preset period.
  • the preset cycle value can be determined according to actual needs. As an example, the preset period is 20 minutes, 30 minutes, or 1 hour. It can be understood that the smaller the preset cycle value, the higher the accuracy of judging the freshness of breast milk.
  • the processor determines the resonant frequency corresponding to the radio frequency signal, including:
  • the processor analyzes the radio frequency signals read at intervals and determines the resonant frequency corresponding to each radio frequency signal.
  • the embodiment of the present disclosure reads the radio frequency signals associated with the dielectric properties of breast milk and then analyzes the radio frequency signals read at intervals to determine the resonant frequency corresponding to each radio frequency signal. , to determine the freshness of breast milk based on each resonance frequency. Therefore, embodiments of the present disclosure effectively improve the accuracy of determining the freshness of breast milk by converting dielectric characteristics into radio frequency signals, analyzing the radio frequency signals to determine the resonant frequency, and then determining the freshness of breast milk based on the resonant frequency. At the same time, embodiments of the present disclosure are beneficial to non-destructive testing of breast milk freshness.
  • the processor determines the freshness of breast milk based on the electrical signal, including:
  • the processor calculates the change in the resonant frequency at adjacent moments based on the resonant frequency corresponding to each radio frequency signal.
  • the processor determines the freshness of breast milk based on changes in multiple resonant frequencies.
  • the embodiment of the present disclosure performs the judgment of breast milk freshness based on the changes of multiple resonant frequencies, which can improve the judgment of breast milk freshness. accuracy, and reduces the complexity of breast milk freshness calculation.
  • the processor determines the freshness of breast milk based on changes in multiple resonant frequencies, including:
  • the change amount of the resonant frequency represents the absolute value of the difference between the resonant frequency at the current time and the resonant frequency at the previous time.
  • the embodiment of the present disclosure compares the change amount of the resonant frequency with the preset frequency value, and determines that the breast milk has deteriorated when the change amount of the resonant frequency is greater than or equal to the preset frequency value.
  • the processor determines the freshness of breast milk based on changes in multiple resonant frequencies, including:
  • the breast milk is determined to be fresh.
  • an embodiment of the present disclosure also provides a method for detecting breast milk freshness, including:
  • the processor reads the radio frequency signal associated with the dielectric properties at intervals through the RFID tag.
  • the processor analyzes the radio frequency signals read at intervals through the RFID reader and determines the resonant frequency corresponding to each radio frequency signal.
  • the processor calculates the change in the resonant frequency at adjacent moments based on the resonant frequency corresponding to each radio frequency signal.
  • S34 The processor determines that the breast milk has deteriorated when the change in the resonant frequency is greater than or equal to the preset frequency value.
  • the processor pushes prompt information related to the freshness of breast milk.
  • the processor pushes prompt information related to the freshness of breast milk when the change in the resonant frequency is greater than or equal to the preset frequency value, so that the user can detect the freshness of breast milk in real time. Find out how fresh your breast milk is. Avoid feeding spoiled breast milk as safe food to infants and young children who may suffer from discomfort.
  • the disclosed embodiment improves the real-time performance of breast milk freshness reminder.
  • the prompt information may be one or more of audio information, text information, image information or vibration information.
  • the refrigeration equipment is communicatively connected with the terminal equipment.
  • the processor pushes text information carrying "breast milk has deteriorated" to the terminal device, so that the user carrying the terminal device can know the freshness of the breast milk.
  • the refrigeration equipment is equipped with a display screen.
  • the processor displays image information carrying "breast milk deterioration" through the display screen to inform the user. Breast milk freshness.
  • the embodiment of the present disclosure may not specifically limit this.
  • An embodiment of the present disclosure also provides a refrigeration equipment, including a refrigeration chamber, a storage device, an electronic label, and a processor.
  • the storage device contains breast milk and is stored in the refrigerator.
  • the electronic tag is attached to the storage device and is used to obtain electrical signals associated with the dielectric properties of breast milk.
  • the processor is electrically connected to the electronic tag and is used to determine the freshness of the breast milk based on the electrical signal.
  • the embodiment of the present disclosure obtains electrical signals associated with the dielectric properties of breast milk through electronic tags, converts the dielectric properties into electrical signals, and thereby determines the properties of breast milk in the form of electrical signals. Freshness improves the accuracy of judging the freshness of breast milk. In addition, embodiments of the present disclosure determine the freshness of breast milk by attaching an electronic tag to the storage device, thereby achieving non-destructive testing of the freshness of breast milk.
  • the electronic tag includes an RFID tag and an RFID antenna.
  • RFID tags are used to collect radio frequency signals associated with the dielectric properties of breast milk.
  • Refrigerated equipment is also equipped with RFID readers.
  • the RFID reader communicates with the RFID tag through the RFID antenna.
  • the processor is also used to read the radio frequency signal and analyze the radio frequency signal through the RFID reader to determine the resonant frequency corresponding to the radio frequency signal to determine the freshness of the breast milk based on the resonant frequency.
  • the method used to detect the freshness of breast milk specifically performs the following steps:
  • the processor reads the radio frequency signals related to the dielectric properties of breast milk through the RFID tag at a preset period ⁇ T interval, and analyzes each radio frequency signal through the RFID reader to determine the resonant frequency f 0 corresponding to each radio frequency signal at time T 0 , and record the resonant frequency f 1 corresponding to the moment of radio frequency signal T 0 + ⁇ T.
  • S43 The processor compares ⁇ f with the preset frequency value and determines that the change in the resonant frequency is greater than the preset frequency value. From this, it is determined that the breast milk has deteriorated.
  • the processor displays the image information carrying "breast milk deterioration" through the display screen.
  • an embodiment of the present disclosure provides a refrigeration device 60 including a processor 100 and a memory 101 .
  • the device may also include a communication interface (Communication Interface) 102 and a bus 103.
  • Communication interface 102 may be used for information transmission.
  • the processor 100 can call logical instructions in the memory 101 to execute the method for detecting breast milk freshness in the above embodiment.
  • the above-mentioned logical instructions in the memory 101 can be implemented in the form of software functional units and can be stored in a computer-readable storage medium when sold or used as an independent product.
  • the memory 101 can be used to store software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure.
  • the processor 100 executes program instructions/modules stored in the memory 101 to execute functional applications and data processing, that is, to implement the method for detecting breast milk freshness in the above embodiment.
  • the memory 101 may include a stored program area and a stored data area, wherein the stored program area may store an operating system and at least one application program required for a function; the stored data area may store data created according to the use of the terminal device, etc.
  • the memory 101 may include a high-speed random access memory and may also include a non-volatile memory.
  • Embodiments of the present disclosure provide a computer-readable storage medium that stores computer-executable instructions, and the computer-executable instructions are configured to execute the above method for detecting breast milk freshness.
  • Embodiments of the present disclosure provide a computer program product.
  • the computer program product includes a computer program stored on a computer-readable storage medium.
  • the computer program includes program instructions. When the program instructions are executed by a computer, the The computer executes the above method for detecting breast milk freshness.
  • An embodiment of the present disclosure provides a computer program that, when executed by a computer, causes the computer to implement the above method for detecting breast milk freshness.
  • the above-mentioned computer-readable storage medium may be a transient computer-readable storage medium or a non-transitory computer-readable storage medium.
  • the technical solution of the embodiments of the present disclosure may be embodied in the form of a software product.
  • the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network equipment, etc.) to perform all or part of the steps of the method described in the embodiments of the present disclosure.
  • the aforementioned storage media can be non-transitory storage media, including: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, etc. can store program code
  • the code medium can also be a transient storage medium.
  • the term “and/or” as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed items.
  • the term “comprise” and its variations “comprises” and/or “comprising” etc. refer to stated features, integers, steps, operations, elements, and/or The presence of a component does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groupings of these.
  • an element defined by the statement “comprises a" does not exclude the presence of additional identical elements in a process, method or apparatus including the stated element.
  • each embodiment may focus on its differences from other embodiments, and the same and similar parts among various embodiments may be referred to each other.
  • the relevant parts can be referred to the description of the method part.
  • the disclosed methods and products can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units may only be a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined. Either it can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • each functional unit in the embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • each block in the flowchart or block diagrams may represent a module, segment, or portion of code that contains one or more components for implementing the specified logical function(s).
  • Executable instructions may be included in the block.
  • the functions noted in the block may occur out of the order noted in the figures. For example, two consecutive blocks may actually execute substantially in parallel, or they may sometimes execute in the reverse order, depending on the functionality involved.

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Abstract

一种用于检测母乳新鲜度的方法、一种冷藏设备及存储介质，方法应用于冷藏设备，冷藏设备配置有冷藏室，冷藏室存储有容置母乳的储存装置，储存装置贴附有电子标签，检测母乳新鲜度的方法包括：通过电子标签获取母乳的介电特性相关联的电信号（S01），根据电信号，确定母乳的新鲜度（S02），该方法能够提升母乳新鲜度判别的准确性。

Description

用于检测母乳新鲜度的方法及冷藏设备、存储介质
本申请基于申请号为202210890074.1、申请日为2022年7月27日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请涉及冷藏设备技术领域，例如涉及一种用于检测母乳新鲜度的方法及冷藏设备、存储介质。
背景技术
目前，母乳为新生婴儿以及低龄幼儿主要的食物来源。在婴幼儿母亲的乳汁充足的情况下，会将部分母乳存储至冰箱中储存。母乳在低温环境中变质的速率放缓，用户可通过冷藏母乳的方式实现母乳的保鲜。然而，母乳在长时间冷藏存放后，母乳会发生变质。若误将变质后的母乳喂养婴幼儿，则会导致婴幼儿腹泻，甚至出现发烧等严重不良反应。为此，如何识别冷藏母乳的新鲜度，成为当前亟需解决的技术难题。
针对以上问题，相关技术公开一种母乳存储冷藏箱，包括箱体、设置于箱体外侧的制冷装置和控制器。控制器配置有用于对奶瓶进行计时的定时器。控制器用于通过定时器获取奶瓶的存储时间，并在存储时间达到设定的逾期存放时间时，通过控制器所电连接的显示屏进行提醒，以区分新鲜母乳和逾期母乳。
在实现本公开实施例的过程中，发现相关技术中至少存在如下问题：
相关技术通过母乳的存储时间间接判定母乳的新鲜度，然而，存储时间无法准确地反映母乳的新鲜程度。因此，相关技术采用的母乳新鲜度判别方法，准确性较差。
发明内容
为了对披露的实施例的一些方面有基本的理解，下面给出了简单的概括。所述概括不是泛泛评述，也不是要确定关键/重要组成元素或描绘这些实施例的保护范围，而是作为后面的详细说明的序言。
本公开实施例提供了一种用于检测母乳新鲜度的方法、冷藏设备和存储介质，以提升母乳新鲜度判别的准确性。
在一些实施例中，所述方法应用于冷藏设备，所述冷藏设备配置有冷藏室，所述冷藏 室存储有容置母乳的储存装置，其特征在于，所述储存装置贴附有电子标签，所述方法包括：通过所述电子标签获取母乳的介电特性相关联的电信号；根据所述电信号，确定所述母乳的新鲜度。
在一些实施例中，所述冷藏设备包括：冷藏室；储存装置，容置有母乳，被存储于所述冷藏室；电子标签，贴附于所述储存装置，用于获取母乳的介电特性相关联的电信号；处理器，与所述电子标签电连接，用于根据所述电信号，确定所述母乳的新鲜度。
在一些实施例中，所述冷藏设备，包括处理器和存储有程序指令的存储器，所述处理器被配置为在运行所述程序指令时，执行如前述的用于检测母乳新鲜度的方法。
在一些实施例中，所述存储介质，存储有程序指令，所述程序指令在运行时，执行如前述的用于检测母乳新鲜度的方法。
本公开实施例提供的用于检测母乳新鲜度的方法、冷藏设备和存储介质，可以实现以下技术效果：
母乳变质由母乳中的微生物对乳汁中的成分进行新陈代谢导致，在微生物新陈代谢过程中，母乳中的导电粒子发生改变。即母乳的介电特性可以反映出母乳的新鲜度。本公开实施例通过电子标签获取与母乳的介电特性相关联的电信号，可将介电特性转换为电信号，从而以电信号的形式确定出母乳的新鲜度，提升了母乳新鲜度判别的准确性。此外，本公开实施例通过在储存装置贴附电子标签的方式进行母乳的新鲜度的判别，实现了母乳新鲜度的无损检测。
以上的总体描述和下文中的描述仅是示例性和解释性的，不用于限制本申请。
附图说明
一个或多个实施例通过与之对应的附图进行示例性说明，这些示例性说明和附图并不构成对实施例的限定，附图中具有相同参考数字标号的元件示为类似的元件，附图不构成比例限制，并且其中：
图1是本公开实施例提供的一个用于检测母乳新鲜度的方法的示意图；
图2是本公开实施例提供的另一个用于检测母乳新鲜度的方法的示意图；
图3是本公开实施例提供的另一个用于检测母乳新鲜度的方法的示意图；
图4是本公开实施例提供的另一个用于检测母乳新鲜度的方法的示意图；
图5是本公开实施例的一个应用示意图；
图6是本公开实施例提供的一个冷藏设备的示意图。
具体实施方式
为了能够更加详尽地了解本公开实施例的特点与技术内容，下面结合附图对本公开实施例的实现进行详细阐述，所附附图仅供参考说明之用，并非用来限定本公开实施例。在以下的技术描述中，为方便解释起见，通过多个细节以提供对所披露实施例的充分理解。然而，在没有这些细节的情况下，一个或多个实施例仍然可以实施。在其它情况下，为简化附图，熟知的结构和装置可以简化展示。
本公开实施例的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本公开实施例的实施例。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含。
除非另有说明，术语“多个”表示两个或两个以上。
本公开实施例中，字符“/”表示前后对象是一种“或”的关系。例如，A/B表示：A或B。
术语“和/或”是一种描述对象的关联关系，表示可以存在三种关系。例如，A和/或B，表示：A或B，或，A和B这三种关系。
术语“对应”可以指的是一种关联关系或绑定关系，A与B相对应指的是A与B之间是一种关联关系或绑定关系。
本公开实施例中，终端设备是指具有无线连接功能的电子设备，终端设备可以通过连接互联网，与智能家电设备进行通信连接，也可以直接通过蓝牙、wifi等方式与如上的智能家电设备进行通信连接。在一些实施例中，终端设备例如为移动设备、电脑、或悬浮车中内置的车载设备等，或其任意组合。移动设备例如可以包括手机、智能家居设备、可穿戴设备、智能移动设备、虚拟现实设备等，或其任意组合，其中，可穿戴设备例如包括：智能手表、智能手环、计步器等。
母乳为新生婴儿以及低龄幼儿主要的食物来源。母乳在长时间冷藏存放后，母乳会发生变质。若误将变质后的母乳喂养婴幼儿，则会导致婴幼儿腹泻，甚至出现发烧等严重不良反应。为此，如何识别冷藏母乳的新鲜度，成为当前亟需解决的技术难题。
针对以上问题，相关技术公开一种母乳存储冷藏箱，包括箱体、设置于箱体外侧的制冷装置和控制器。控制器配置有用于对奶瓶进行计时的定时器。控制器用于通过定时器获取奶瓶的存储时间，并在存储时间达到设定的逾期存放时间时，通过控制器所电连接的显示屏进行提醒，以区分新鲜母乳和逾期母乳。
相关技术通过母乳的存储时间间接判定母乳的新鲜度，然而，存储时间无法准确地反映母乳的新鲜程度。因此，相关技术采用的母乳新鲜度判别方法，准确性较差。
本公开实施例提供一种冷藏设备，配置有冷藏室、处理器以及RFID(Radio Frequency Identification，射频识别)阅读器。冷藏室存储有容置母乳的储存装置。储存装置贴附有电子标签。电子标签包括射频识别RFID标签以及RFID天线。RFID标签与RFID天线通信连接。RFID阅读器通过RFID天线与RFID标签通信连接。处理器与RFID阅读器电连接。其中，冷藏设备包括冰箱、冰柜等具备冷藏功能的制冷设备。
基于上述冷藏设备，结合图1所示，本公开实施例提供一种用于检测母乳新鲜度的方法，包括：
S01，处理器通过电子标签获取母乳的介电特性相关联的电信号。
S02，处理器根据电信号，确定母乳的新鲜度。
采用本公开实施例提供的用于检测母乳新鲜度的方法，母乳变质由母乳中的微生物对乳汁中的成分进行新陈代谢导致，在微生物新陈代谢过程中，母乳中的导电粒子发生改变。即母乳的介电特性可以反映出母乳的新鲜度。本公开实施例通过电子标签获取与母乳的介电特性相关联的电信号，可将介电特性转换为电信号，从而以电信号的形式确定出母乳的新鲜度，提升了母乳新鲜度判别的准确性。此外，本公开实施例通过在储存装置贴附电子标签的方式进行母乳的新鲜度的判别，实现了母乳新鲜度的无损检测。
图5表示母乳与水各自的介电特性相关联的射频信号对应的谐振频率的变化量在时间维度上的变化曲线图。结合图5所示，在储存装置存储有水的情况下，由于水在时间维度上介电特性不变，所以，射频信号对应的谐振频率的变化量保持数值零。在储存装置存储有母乳的情况下，由于母乳在时间维度上介电特性改变，射频信号对应的谐振频率的变化量在0～35h的时间段上呈增大趋势，在35h～45h的时间段上增大趋势逐步放缓。根据图5可知，谐振频率的变化量随着母乳的介电特性的变化逐步增大。增大趋势大致为先呈快速增大趋势，增大至某峰值后缓慢增大，最终，基本保持。
结合图2所示，处理器通过电子标签获取母乳的介电特性相关联的电信号，包括：
S11，处理器利用RFID标签读取介电特性相关联的射频信号。
S12，处理器通过RFID阅读器解析射频信号，确定射频信号相对应的谐振频率，以根据谐振频率确定母乳的新鲜度。
这样，本公开实施例通过RFID标签读取介电特性相关联的射频信号，再通过RFID阅读器解析射频信号，以确定出与射频信号相对应的谐振频率。最后，通过谐振频率判别母乳的新鲜度。由此，有利于提升母乳新鲜度判别的准确性。
可选地，处理器通过RFID标签读取介电特性相关联的射频信号，包括：
处理器间隔读取介电特性相关联的射频信号。
其中，处理器间隔读取介电特性相关联的射频信号，可以为根据预设周期，周期性获取射频信号。预设周期数值可以根据实际需求确定。作为一种示例，预设周期为20分钟，30分钟，或者1小时等数值。可以理解地，预设周期数值越小，母乳新鲜度判别的准确性越高。
处理器确定射频信号相对应的谐振频率，包括：
处理器解析间隔读取的射频信号，确定各射频信号对应的谐振频率。
这样，由于母乳的介电特性随时间发生改变，所以，本公开实施例通过读取母乳的介电特性相关联的射频信号后，解析间隔读取的射频信号以确定各射频信号对应的谐振频率，以根据各谐振频率来判别母乳的新鲜度。由此，本公开实施例通过将介电特性转换为射频信号，解析射频信号后确定出谐振频率后根据谐振频率确定母乳的新鲜度，有效地提升了母乳新鲜度判别的准确性。与此同时，本公开实施例有利于进行母乳新鲜度的无损检测。
可选地，结合图3所示，处理器根据电信号，确定母乳的新鲜度，包括：
S21，处理器根据各射频信号对应的谐振频率，计算相邻时刻下的谐振频率的变化量。
S22，处理器根据多个谐振频率的变化量，确定母乳的新鲜度。
这样，由于谐振频率的变化量随着母乳的介电特性的变化逐步增大，因此，本公开实施例根据多个谐振频率的变化量进行母乳新鲜度的判别，既能够提升母乳新鲜度判别的准确性，又降低了母乳新鲜度计算的复杂性。
可选地，处理器根据多个谐振频率的变化量，确定母乳的新鲜度，包括：
在多个谐振频率的变化量大于或者等于预设频率值的情况下，确定母乳变质。
其中，谐振频率的变化量表示当前时刻的谐振频率与上一时刻的谐振频率的差值的绝对值。
这样，经实验获知，母乳在变质的情况下，介电特性发生较大改变。相应地，射频信号以及经解析获得的谐振频率的变化量将高于或者等于预设频率值。因此，本公开实施例将谐振频率的变化量与预设频率值进行比较，并在谐振频率的变化量大于或者等于预设频率值时，确定母乳变质。
需要说明的是，处理器根据多个谐振频率的变化量，确定母乳的新鲜度，还包括：
在谐振频率的变化量小于预设频率值的情况下，确定母乳新鲜。
结合图4所示，本公开实施例还提供一种用于检测母乳新鲜度的方法，包括：
S31，处理器通过RFID标签间隔读取介电特性相关联的射频信号。
S32，处理器通过RFID阅读器解析间隔读取的射频信号，确定各射频信号对应的谐振频率。
S33，处理器根据各射频信号对应的谐振频率，计算相邻时刻下的谐振频率的变化量。
S34，处理器在谐振频率的变化量大于或者等于预设频率值的情况下，确定母乳变质。
S35，处理器推送母乳的新鲜度相关联的提示信息。
采用本公开实施例提供的用于检测母乳新鲜度的方法，处理器在谐振频率的变化量大于或者等于预设频率值的情况下，推送母乳的新鲜度相关联的提示信息，以使用户实时获知母乳的新鲜度。避免将已变质的母乳作为安全食物喂养婴幼儿而出现不适症状。本公开实施例提升了母乳新鲜度提醒的实时性。
可选地，提示信息可以为音频信息、文字信息、图像信息或者振动信息中的一个或者多个。作为一种示例，冷藏设备与终端设备通信连接。处理器在谐振频率的变化量大于或者等于预设频率值的情况下，推送携带有“母乳变质”的文字信息至终端设备，以使携带终端设备的用户获知母乳的新鲜度。作为另一种示例，冷藏设备配置有显示屏，处理器在谐振频率的变化量大于或者等于预设频率值的情况下，通过显示屏显示携带有“母乳变质”的图像信息，以使用户获知母乳的新鲜度。关于提示信息的提示方式，本公开实施例对此可不做具体限定。
本公开实施例还提供一种冷藏设备，包括冷藏室、存储装置、电子标签以及处理器。储存装置，容置有母乳，被存储于冷藏室。电子标签贴附于储存装置，用于获取母乳的介电特性相关联的电信号。处理器与电子标签电连接，用于根据电信号，确定母乳的新鲜度。
采用本公开实施例提供的冷藏设备，本公开实施例通过电子标签获取与母乳的介电特性相关联的电信号，可将介电特性转换为电信号，从而以电信号的形式确定出母乳的新鲜度，提升了母乳新鲜度判别的准确性。此外，本公开实施例通过在储存装置贴附电子标签的方式进行母乳的新鲜度的判别，实现了母乳新鲜度的无损检测。
可选地，电子标签包括RFID标签、RFID天线。RFID标签，用于采集母乳的介电特性相关联的射频信号。冷藏设备还配置有RFID阅读器。RFID阅读器通过RFID天线与RFID标签通信连接。处理器还用于读取射频信号，并通过RFID阅读器解析射频信号，确定射频信号相对应的谐振频率，以根据谐振频率确定母乳的新鲜度。
这样，有利于提升母乳新鲜度判别的准确性。
在实际应用中，用于检测母乳新鲜度的方法具体执行以下步骤：
S41，处理器通过RFID标签以预设周期ΔT间隔读取母乳的介电特性相关联的射频信号，并通过RFID阅读器解析各射频信号，确定各射频信号T0时刻相对应的谐振频率f0，并记录射频信号T0+ΔT时刻相对应的谐振频率f1。
S42，处理器记录谐振频率变化量为Δf＝|f1-f0|。
S43，处理器将Δf与预设频率值比较，经判断，谐振频率变化量大于预设频率值。由此，判定母乳已变质。
S44，处理器通过显示屏显示携带有“母乳变质”的图像信息。
结合图6所示，本公开实施例提供一种冷藏设备60，包括处理器(processor)100和存储器(memory)101。可选地，该装置还可以包括通信接口(Communication Interface)102和总线103。其中，处理器100、通信接口102、存储器101可以通过总线103完成相互间的通信。通信接口102可以用于信息传输。处理器100可以调用存储器101中的逻辑指令，以执行上述实施例的用于检测母乳新鲜度的方法。
此外，上述的存储器101中的逻辑指令可以通过软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。
存储器101作为一种计算机可读存储介质，可用于存储软件程序、计算机可执行程序，如本公开实施例中的方法对应的程序指令/模块。处理器100通过运行存储在存储器101中的程序指令/模块，从而执行功能应用以及数据处理，即实现上述实施例中用于检测母乳新鲜度的方法。
存储器101可包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序；存储数据区可存储根据终端设备的使用所创建的数据等。此外，存储器101可以包括高速随机存取存储器，还可以包括非易失性存储器。
本公开实施例提供了一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令设置为执行上述用于检测母乳新鲜度的方法。
本公开实施例提供了一种计算机程序产品，所述计算机程序产品包括存储在计算机可读存储介质上的计算机程序，所述计算机程序包括程序指令，当所述程序指令被计算机执行时，使所述计算机执行上述用于检测母乳新鲜度的方法。
本公开实施例提供了一种计算机程序，当所述计算机程序被计算机执行时，使所述计算机实现上述用于检测母乳新鲜度的方法。
上述的计算机可读存储介质可以是暂态计算机可读存储介质，也可以是非暂态计算机可读存储介质。
本公开实施例的技术方案可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括一个或多个指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本公开实施例所述方法的全部或部分步骤。而前述的存储介质可以是非暂态存储介质，包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等多种可以存储程序代 码的介质，也可以是暂态存储介质。
以上描述和附图充分地示出了本公开的实施例，以使本领域的技术人员能够实践它们。其他实施例可以包括结构的、逻辑的、电气的、过程的以及其他的改变。实施例仅代表可能的变化。除非明确要求，否则单独的部件和功能是可选的，并且操作的顺序可以变化。一些实施例的部分和特征可以被包括在或替换其他实施例的部分和特征。而且，本申请中使用的用词仅用于描述实施例并且不用于限制权利要求。如在实施例以及权利要求的描述中使用的，除非上下文清楚地表明，否则单数形式的“一个”(a)、“一个”(an)和“所述”(the)旨在同样包括复数形式。类似地，如在本申请中所使用的术语“和/或”是指包含一个或一个以上相关联的列出的任何以及所有可能的组合。另外，当用于本申请中时，术语“包括”(comprise)及其变型“包括”(comprises)和/或包括(comprising)等指陈述的特征、整体、步骤、操作、元素，和/或组件的存在，但不排除一个或一个以上其它特征、整体、步骤、操作、元素、组件和/或这些的分组的存在或添加。在没有更多限制的情况下，由语句“包括一个…”限定的要素，并不排除在包括所述要素的过程、方法或者设备中还存在另外的相同要素。本文中，每个实施例重点说明的可以是与其他实施例的不同之处，各个实施例之间相同相似部分可以互相参见。对于实施例公开的方法、产品等而言，如果其与实施例公开的方法部分相对应，那么相关之处可以参见方法部分的描述。
本领域技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，可以取决于技术方案的特定应用和设计约束条件。所述技术人员可以对每个特定的应用来使用不同方法以实现所描述的功能，但是这种实现不应认为超出本公开实施例的范围。所述技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
本文所披露的实施例中，所揭露的方法、产品(包括但不限于装置、设备等)，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，可以仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择 其中的部分或者全部单元来实现本实施例。另外，在本公开实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
附图中的流程图和框图显示了根据本公开实施例的系统、方法和计算机程序产品的可能实现的体系架构、功能和操作。在这点上，流程图或框图中的每个方框可以代表一个模块、程序段或代码的一部分，所述模块、程序段或代码的一部分包含一个或多个用于实现规定的逻辑功能的可执行指令。在有些作为替换的实现中，方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如，两个连续的方框实际上可以基本并行地执行，它们有时也可以按相反的顺序执行，这可以依所涉及的功能而定。在附图中的流程图和框图所对应的描述中，不同的方框所对应的操作或步骤也可以以不同于描述中所披露的顺序发生，有时不同的操作或步骤之间不存在特定的顺序。例如，两个连续的操作或步骤实际上可以基本并行地执行，它们有时也可以按相反的顺序执行，这可以依所涉及的功能而定。框图和/或流程图中的每个方框、以及框图和/或流程图中的方框的组合，可以用执行规定的功能或动作的专用的基于硬件的系统来实现，或者可以用专用硬件与计算机指令的组合来实现。

Claims (12)

  1. 一种用于检测母乳新鲜度的方法，应用于冷藏设备，所述冷藏设备配置有冷藏室，所述冷藏室存储有容置母乳的储存装置，其特征在于，所述储存装置贴附有电子标签，所述方法包括：
    通过所述电子标签获取母乳的介电特性相关联的电信号；
    根据所述电信号，确定所述母乳的新鲜度。
  2. 根据权利要求1所述的方法，其特征在于，所述电子标签包括射频识别RFID标签以及RFID天线，所述RFID标签与RFID天线通信连接，所述冷藏设备还配置有RFID阅读器，所述RFID阅读器通过所述RFID天线与所述RFID标签通信连接，所述通过所述电子标签获取母乳的介电特性相关联的电信号，包括：
    利用所述RFID标签读取所述介电特性相关联的射频信号；
    通过所述RFID阅读器解析所述射频信号，确定所述射频信号相对应的谐振频率，以根据所述谐振频率确定所述母乳的新鲜度。
  3. 根据权利要求2所述的方法，其特征在于，所述通过所述RFID标签读取所述介电特性相关联的射频信号，包括：
    间隔读取所述介电特性相关联的射频信号；
    所述通过所述RFID阅读器解析所述射频信号，确定所述射频信号相对应的谐振频率，包括：
    解析间隔读取的射频信号，确定各射频信号对应的谐振频率。
  4. 根据权利要求3所述的方法，其特征在于，所述根据所述电信号，确定所述母乳的新鲜度，包括：
    根据所述各射频信号对应的谐振频率，计算相邻时刻下的谐振频率的变化量；
    根据多个谐振频率的变化量，确定所述母乳的新鲜度。
  5. 根据权利要求4所述的方法，其特征在于，所述根据多个谐振频率的变化量，确定所述母乳的新鲜度，包括：
    在多个谐振频率的变化量大于或者等于预设频率值的情况下，确定所述母乳变质。
  6. 根据权利要求1至5任一项所述的方法，其特征在于，还包括：
    推送所述母乳的新鲜度相关联的提示信息。
  7. 一种冷藏设备，其特征在于，包括：
    冷藏室；
    储存装置，容置有母乳，被存储于所述冷藏室；
    电子标签，贴附于所述储存装置，用于获取所述母乳的介电特性相关联的电信号；
    处理器，与所述电子标签电连接，用于根据所述电信号，确定所述母乳的新鲜度。
  8. 根据权利要求7所述的冷藏设备，其特征在于，所述电子标签包括：
    射频识别RFID标签，用于采集所述母乳的介电特性相关联的射频信号；
    RFID天线；
    所述冷藏设备还配置有RFID阅读器，所述RFID阅读器通过所述RFID天线与所述RFID标签通信连接；
    所述处理器还用于读取所述射频信号，并通过所述RFID阅读器解析所述射频信号，确定所述射频信号相对应的谐振频率，以根据所述谐振频率确定所述母乳的新鲜度。
  9. 一种冷藏设备，其特征在于，包括处理器和存储有程序指令的存储器，其特征在于，所述处理器被配置为在运行所述程序指令时，执行如权利要求1至6任一项所述的用于检测母乳新鲜度的方法。
  10. 一种存储介质，存储有程序指令，其特征在于，所述程序指令在运行时，执行如权利要求1至6任一项所述的用于检测母乳新鲜度的方法。
  11. 一种计算机程序，当所述计算机程序被计算机执行时，使所述计算机实现如权利要求1至6任一项所述的用于检测母乳新鲜度的方法。
  12. 一种计算机程序产品，所述计算机程序产品包括存储在计算机可读存储介质上的计算机指令，当所述程序指令被计算机执行时，使所述计算机实现如权利要求1至6任一项所述的用于检测母乳新鲜度的方法。
PCT/CN2023/088858 2022-07-27 2023-04-18 用于检测母乳新鲜度的方法及冷藏设备、存储介质 WO2024021689A1 (zh)

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