CN106766662B - Method and system for monitoring and managing food materials in refrigerator - Google Patents

Method and system for monitoring and managing food materials in refrigerator Download PDF

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Publication number
CN106766662B
CN106766662B CN201710040274.7A CN201710040274A CN106766662B CN 106766662 B CN106766662 B CN 106766662B CN 201710040274 A CN201710040274 A CN 201710040274A CN 106766662 B CN106766662 B CN 106766662B
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food materials
refrigerator
food
smell
resistance value
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CN106766662A (en
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张雪莲
曹洁
晋圣坤
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TCL Home Appliances Hefei Co Ltd
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TCL Home Appliances Hefei Co Ltd
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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
    • F25D29/003—Arrangement or mounting of control or safety devices for movable 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • 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
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/06—Stock management

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

Abstract

The invention discloses a method for monitoring and managing food materials in a refrigerator, which comprises the following steps: detecting the smell of food materials in the refrigerator in a timing or real-time manner, and converting the detected smell of the food materials into a resistance value; comparing the detected resistance value of the smell of the food materials with the resistance value of the smell of the food materials when the food materials are put into a refrigerator, and obtaining the difference value of the resistance values of the smell of the food materials; judging the freshness of the food materials according to the resistance value difference of the odor of the food materials, adjusting the environmental parameters of the refrigerator according to the freshness of the food materials, and outputting reminding information to a user. The invention also discloses a system for monitoring and managing the food materials in the refrigerator. The method and the device can reduce the cost of food material identification management and improve the accuracy of food material management.

Description

Method and system for monitoring and managing food materials in refrigerator
Technical Field
The invention relates to the field of intelligent refrigerators, in particular to a method and a system for monitoring and managing food materials in a refrigerator.
Background
As a center for storing household food, every enterprise strives to advance its food management towards intelligence, safety and health. The common refrigerator does not have a food intelligent management system, and if a user wants to know the storage condition of food materials in the refrigerator, the user needs to open a refrigerator door to check the food materials. Different foods have different storage requirements, and a common refrigerator does not have an identification function and a classified storage function; meanwhile, the freshness of the food materials cannot be detected, and overdue reminding cannot be given to a user. Therefore, people further develop intelligent refrigerators, and in the prior art, the intelligent refrigerators mostly use image recognition or RFID (radio frequency identification) radio frequency coding recognition technology in the aspect of food material recognition, but all rely on the cooperation of the internet, a huge database and marketers, and are expensive in manufacturing cost and low in maturity. In freshness detection, single odor identification is mostly adopted to judge freshness and freshness, and the whole freshness change process is not qualitatively judged, so that the freshness of food materials cannot be accurately judged.
Disclosure of Invention
The invention mainly aims to provide a method and a system for monitoring and managing food materials in a refrigerator, and aims to solve the technical problems of high cost and inaccuracy of food material identification and management in the prior art.
In order to achieve the above object, the present invention provides a method for monitoring and managing food materials in a refrigerator, comprising the steps of:
detecting the smell of food materials in the refrigerator in a timing or real-time manner, and converting the detected smell of the food materials into a resistance value;
comparing the detected resistance value of the smell of the food materials with the resistance value of the smell of the food materials when the food materials are put into a refrigerator, and obtaining the difference value of the resistance values of the smell of the food materials;
judging the freshness of the food materials according to the resistance value difference of the odor of the food materials, adjusting the environmental parameters of the refrigerator according to the freshness of the food materials, and outputting reminding information to a user.
Optionally, the step of judging the freshness of the food material according to the resistance value difference of the odor of the food material, adjusting the environmental parameter of the refrigerator according to the freshness of the food material, and outputting the reminding information to the user includes:
if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is larger than a first preset value, judging that the freshness of the food materials is fresh, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are fresh, and outputting prompt information that the freshness of the food materials is fresh to a user;
if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a first preset value and larger than a second preset value, judging that the freshness of the food materials is stale, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are not fresh, and outputting prompt information that the freshness of the food materials is stale to a user;
if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a second preset value, the freshness of the food materials is judged to be deteriorated, the refrigerator is sterilized and deodorized, prompt information that the freshness of the food materials is deteriorated is output to a user, and the first preset value is larger than the second preset value.
Optionally, the step of determining that the freshness of the food material is deteriorated, sterilizing and deodorizing the refrigerator, and outputting a prompt message indicating that the freshness of the food material is deteriorated to a user further includes:
when the fact that the deteriorated food materials are taken out by a user is detected, outputting prompt information indicating that the freshness of the food materials is deteriorated, and outputting prompt information for cleaning a refrigerator to the user;
detecting whether food materials consistent with the types of the taken-out deteriorated food materials exist in the refrigerator or not;
and if the information does not exist, deleting the information of the deteriorated food material.
Optionally, the step of detecting the smell of the food material in the refrigerator in a timed or real-time manner and converting the detected smell of the food material into a resistance value further includes:
when the food materials are detected to be put into the refrigerator, collecting the smell of the put food materials, and converting the collected smell of the food materials into a resistance value;
analyzing and comparing the resistance value of the collected food material odor with the resistance value of the prestored food material odor, and identifying the type of the food material;
and extracting corresponding storage environment parameters according to the recognized food material types, and adjusting the environment parameters of the refrigerator according to the extracted storage environment parameters.
Optionally, before the step of extracting the corresponding storage environment parameter according to the identified food material category and adjusting the environment parameter of the refrigerator according to the extracted storage environment parameter, the method further includes:
judging whether the types of food materials in the refrigerator are more than one;
if the average value of the storage environment parameters is larger than the preset value, extracting the storage environment parameters corresponding to various food materials, and calculating the average value of the storage environment parameters corresponding to various food materials;
and taking the average value of the storage environment parameters as the environment parameters for adjusting the refrigerator.
In addition, in order to achieve the above object, the present invention further provides a method and a system for monitoring and managing food materials in a refrigerator, wherein the system comprises:
the detection module is used for detecting the smell of the food materials in the refrigerator in a timing or real-time mode and converting the detected smell of the food materials into a resistance value;
the comparison module is used for comparing the detected resistance value of the food material smell with the resistance value of the smell of the food material when the food material is put into the refrigerator, and obtaining the difference value of the resistance values of the food material smell;
and the judgment and adjustment module is used for judging the freshness of the food materials according to the resistance value difference of the smell of the food materials, adjusting the environmental parameters of the refrigerator according to the freshness of the food materials and outputting reminding information to a user.
Optionally, the determining and adjusting module includes:
the judgment output unit is used for judging the freshness of the food materials if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is larger than a first preset value, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are fresh, and outputting prompt information that the freshness of the food materials is fresh to a user; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a first preset value and larger than a second preset value, judging that the freshness of the food materials is stale, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are not fresh, and outputting prompt information that the freshness of the food materials is stale to a user; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a second preset value, the freshness of the food materials is judged to be deteriorated, the refrigerator is sterilized and deodorized, prompt information that the freshness of the food materials is deteriorated is output to a user, and the first preset value is larger than the second preset value.
Optionally, the determining and adjusting module further includes:
the output unit is used for stopping outputting the prompt information that the freshness of the food materials is deteriorated when the fact that the user takes out the deteriorated food materials is detected, and outputting the prompt information for cleaning the refrigerator to the user;
a detection unit for detecting whether there is a food material in the refrigerator that is consistent with the type of the taken-out deteriorated food material;
a deleting unit configured to delete information of the spoiled food if no food matching the extracted spoiled food is present in the refrigerator.
Optionally, the system further comprises:
the device comprises an acquisition module, a detection module and a control module, wherein the acquisition module is used for acquiring the smell of the input food material and converting the acquired smell of the food material into a resistance value when the user inputs the food material;
the identification module is used for analyzing and comparing the collected resistance value of the food material smell with the pre-stored resistance value of the food material smell, and identifying the type of the food material;
and the adjusting module is used for extracting corresponding storage environment parameters according to the recognized food material types and adjusting the environment parameters of the refrigerator according to the extracted storage environment parameters.
Optionally, the system further comprises:
the judging module is used for judging whether the types of food materials in the refrigerator are more than one;
the extraction and calculation module is used for extracting storage environment parameters corresponding to various types of food materials and calculating the average value of the storage environment parameters corresponding to various types of food materials if the types of the food materials in the current refrigerator are more than one; and taking the average value of the storage environment parameters as the environment parameters for adjusting the refrigerator.
According to the method and the system for monitoring and managing the food materials in the refrigerator, the odor of the food materials in the refrigerator is detected at regular time or in real time, and the detected odor of the food materials is converted into the resistance value; then comparing the detected resistance value of the smell of the food materials with the resistance value of the smell of the food materials when the food materials are put into a refrigerator, and obtaining the difference value of the resistance values of the smell of the food materials; and then judging the freshness of the food material according to the resistance value difference of the smell of the food material, outputting reminding information to a user according to the environmental parameters of the refrigerator for adjusting the freshness of the food material, qualitatively judging the freshness of the food material, and outputting the reminding information to the user, so that the food material is stored in reasonable environmental parameters according to the environmental parameters of the refrigerator for adjusting the freshness of the food material, and the user can manage the food material in the refrigerator conveniently.
Drawings
Fig. 1 is a schematic flow chart illustrating a method for monitoring and managing food materials in a refrigerator according to a first embodiment of the present invention;
fig. 2 is a detailed flowchart illustrating a step of determining freshness of food materials according to a resistance difference of food material odor, adjusting an environmental parameter of the refrigerator according to the freshness of the food materials, and outputting a reminding message to a user according to the food material freshness in a second embodiment of the method for monitoring and managing food materials in a refrigerator according to the present invention;
fig. 3 is another detailed flowchart illustrating the steps of determining the freshness of food materials according to the difference between the resistance values of the odors of the food materials, adjusting the environmental parameters of the refrigerator according to the freshness of the food materials, and outputting a reminding message to a user according to the difference between the resistance values of the odors of the food materials in the refrigerator according to the third embodiment of the method for monitoring and managing the food materials in the refrigerator of the present invention;
FIG. 4 is a flowchart illustrating a fourth embodiment of a method for monitoring and managing food materials in a refrigerator according to the present invention;
fig. 5 is a functional module schematic diagram of a food material monitoring and managing system in a refrigerator according to a first embodiment of the present invention;
fig. 6 is a schematic view of a detailed functional module of a judgment adjustment module in a second embodiment of a food material monitoring and management system in a refrigerator according to the present invention;
fig. 7 is a functional module schematic view of a food material monitoring and managing system in a refrigerator according to a fourth embodiment of the present invention;
FIG. 8 is a schematic external view of an intelligent refrigerator;
fig. 9 is a system relationship diagram of a food material type identification and freshness monitoring management system in a refrigerator.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a method for monitoring and managing food materials in a refrigerator.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for monitoring and managing food materials in a refrigerator according to a first embodiment of the present invention.
In this embodiment, the method includes:
step S10, detecting the smell of the food materials in the refrigerator in a timed or real-time manner, and converting the detected smell of the food materials into a resistance value;
in this embodiment, the food materials are identified and managed by using an intelligent refrigerator. The intelligent refrigerator is characterized in that an odor sensor, a microcomputer control system and a food material management system are installed in the intelligent refrigerator, the odor sensor is used for detecting odor of food materials, and the microcomputer control system comprises a data acquisition and processing unit, an intelligent management unit and a human-computer interaction unit. The data acquisition and processing unit is used for receiving the food material odor acquired by the odor sensor and the switch signal of the chamber and processing the food material odor acquired by the odor sensor. The intelligent management unit controls the work of the food material management system (such as temperature, fresh keeping, sterilization, deodorization and the like). The human-computer interaction unit is used for transmitting an instruction to the intelligent management unit when the display interface of the intelligent refrigerator receives the instruction triggered by a user, further processing the signal transmitted by the data acquisition and processing unit and then pushing the signal to the user or carrying out buzzing alarm; on the other hand, data can be transmitted to a user side computer or a mobile phone App through a network, so that a user can know the state of food materials in the refrigerator in real time. The food material management system comprises a temperature control unit for controlling the temperature of a food material storage space, a fresh-keeping control unit, a smell removal and sterilization unit and the like; the food material temperature control and fresh keeping method is used for intelligently controlling the temperature and keeping fresh of food materials according to the needs of the food materials. Therefore, a camera, a bar code or even a network and a big database are not needed, the food can be identified and monitored in freshness in the refrigerator body, the storage environment of the food can be automatically configured according to the detection result, and the freshness of the food can be monitored. It can be understood that the intelligent refrigerator comprises a plurality of chambers, each chamber is an independent space and is not influenced mutually, and the sealing baffle above each chamber is provided with the odor sensor, so that in the process of collecting odor, the odor is collected based on the independent chambers. Each compartment has a separate control damper for independently controlling the temperature of the compartment. And each chamber is internally provided with a fresh-keeping and moisture-preserving device and a sterilizing and deodorizing device.
After the food material is put into the intelligent refrigerator, the change of the resistance value of the food material smell in the refrigerator can be detected at regular time or in real time, for example, the change of the food material smell in the intelligent refrigerator is detected every 30 minutes or one hour, then the detected change of the smell is converted into the resistance value, and the specific interval time can be set according to the type of the put-in food material and is not limited to 30 minutes or one hour. The method can also detect the resistance value change of the food material smell in the refrigerator in real time.
Step S20, comparing the detected resistance value of the food material smell with the resistance value of the smell when the food material is put into the refrigerator, and obtaining the difference value of the resistance values of the food material smell;
after obtaining the resistance value of the food material smell, extracting the resistance value of the smell when the food material corresponding to the collected food material smell is put into the refrigerator by the microcomputer control system in the refrigerator, then comparing the detected resistance value of the food material smell with the resistance value of the smell when the food material is put into the refrigerator, and obtaining the difference value between the detected resistance value of the food material smell and the resistance value of the smell when the food material is put into the refrigerator. When the number of times of detection is more, also can compare the smell resistance value that detects each time each other to improve the accuracy of judging food material freshness.
And step S30, judging the freshness of the food materials according to the resistance value difference of the food material odor, adjusting the environmental parameters of the refrigerator according to the freshness of the food materials, and outputting reminding information to a user.
Then, the freshness of the food materials is judged according to the detected resistance value difference of the odor of the food materials, and it can be understood that the criterion for judging the freshness of each food material is different, the taste difference of some food materials in a fresh state and in an stale state is larger, and the taste difference of some food materials in a fresh state and in a stale state is smaller, so that the freshness of the food materials is judged according to the detected resistance value difference of the odor of the food materials by combining specific food material types. After the freshness of the food materials is judged, the environmental parameters, such as temperature, humidity and the like, of the intelligent refrigerator need to be further adjusted according to the freshness of the food materials, so that the storage parameters of the food materials put into the intelligent refrigerator at each stage are optimal parameters. And then outputting prompt information to a user in a display panel of the intelligent refrigerator, such as displaying the freshness of the current food material. Further, in order to enable a user to know the freshness of all food materials in the intelligent refrigerator more clearly, the specific positions of the compartments can be further acquired, and then the freshness of the food materials and the positions of the corresponding compartments are displayed on the display panel.
According to the method for monitoring and managing the food materials in the refrigerator, the odor of the food materials in the refrigerator is detected at regular time or in real time, and the detected odor of the food materials is converted into the resistance value; then comparing the detected resistance value of the smell of the food materials with the resistance value of the smell of the food materials when the food materials are put into a refrigerator, and obtaining the difference value of the resistance values of the smell of the food materials; and then judging the freshness of the food material according to the resistance value difference of the smell of the food material, outputting reminding information to a user according to the environmental parameters of the refrigerator for adjusting the freshness of the food material, qualitatively judging the freshness of the food material, and outputting the reminding information to the user, so that the food material is stored in reasonable environmental parameters according to the environmental parameters of the refrigerator for adjusting the freshness of the food material, and the user can manage the food material in the refrigerator conveniently.
Further, referring to fig. 2, a second embodiment of the method for monitoring and managing the food in the refrigerator is provided based on the first embodiment of the method for monitoring and managing the food in the refrigerator.
In this embodiment, the step S30 includes:
step S31, if the similarity between the resistance value of the smell of the food material in the refrigerator and the resistance value of the smell of the food material when the food material is put into the refrigerator is larger than a first preset value, judging the freshness of the food material to be fresh, adjusting the environmental parameter of the refrigerator to be the corresponding environmental parameter when the food material is fresh, and outputting prompt information that the freshness of the food material is fresh to a user;
step S32, if the similarity between the resistance value of the smell of the food material in the refrigerator and the resistance value of the smell of the food material when the food material is put into the refrigerator is smaller than a first preset value and larger than a second preset value, judging that the freshness of the food material is stale, adjusting the environmental parameter of the refrigerator to be the corresponding environmental parameter when the food material is not fresh, and outputting prompt information that the freshness of the food material is stale to a user;
step S33, if the similarity between the resistance value of the smell of the food material in the refrigerator and the resistance value of the smell of the food material when the food material is put into the refrigerator is smaller than a second preset value, the freshness of the food material is judged to be deteriorated, the refrigerator is sterilized and deodorized, and prompt information that the freshness of the food material is deteriorated is output to a user, wherein the first preset value is larger than the second preset value.
In this embodiment, the freshness of the food material can be determined according to the change of the odor resistance value of the food material. Specifically, detecting the smell in the refrigerator in real time or at regular time, converting the detected smell into a resistance value, and comparing the resistance value of the smell of the current food material in the refrigerator with the resistance value of the smell of the food material when the food material is put into the refrigerator; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is larger than a first preset value, judging that the freshness of the food materials is fresh, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are fresh, and outputting prompt information that the freshness of the food materials is fresh to a user; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a first preset value and larger than a second preset value, judging that the freshness of the food materials is stale, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are not fresh, and outputting prompt information that the freshness of the food materials is stale to a user; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a second preset value, the freshness of the food materials is judged to be deteriorated, the refrigerator is sterilized and deodorized, prompt information that the freshness of the food materials is deteriorated is output to a user, and the first preset value is larger than the second preset value. When the freshness of the food materials is deteriorated, a buzzing warning can be further started to warn a user that the deteriorated food materials exist in the refrigerator, and meanwhile, the eating state of the deteriorated food materials can be displayed in the display panel to be inedible. Meanwhile, the first preset value and the second preset value can be set according to each type of food material.
According to the method for monitoring and managing the food materials in the refrigerator, the corresponding information is output to the user according to the different freshness of the food materials, so that the user can conveniently know and manage the food materials in the intelligent refrigerator, and meanwhile, when the food materials are detected to deteriorate, a warning is output to the user, so that the user can conveniently clean the deteriorated food materials.
Further, referring to fig. 3, a third embodiment of the method for monitoring and managing food materials in a refrigerator is provided based on the second embodiment of the method for monitoring and managing food materials in a refrigerator.
In this embodiment, the steps after step S33 further include:
step S34, when the user is detected to take out the deteriorated food material, stopping outputting the prompt message that the freshness of the food material is deteriorated, and outputting the prompt message for cleaning the refrigerator to the user;
step S35, detecting whether food materials consistent with the type of the taken-out deteriorated food materials exist in the refrigerator or not;
and step S36, if the information does not exist, deleting the information of the deteriorated food material.
In this embodiment, when detecting that deteriorated food materials are stored in the intelligent refrigerator, the user needs to be reminded in real time and monitored whether to take out the deteriorated food materials. In the monitoring process, when detecting that the user takes out the rotten edible material, stop to output the prompt message that the food freshness is rotten to reduce the consumption of intelligent refrigerator, in addition because can produce rotten stink, bacterium etc. after the edible material is rotten, consequently need to output the prompt message of clean refrigerator to the user, in order to clear away the stink, bacterium etc. that produce in the edible material rotten process. Further, after the deteriorated food materials are taken out by the user, whether food materials consistent with the deteriorated food materials in type are stored in the current compartment or not can be further judged, if yes, information of the deteriorated food materials is stored, the food materials in the intelligent refrigerator are continuously monitored, and if no food materials consistent with the deteriorated food materials in type are stored in the current compartment, the information of the food materials is deleted, so that the memory occupied by storage is reduced.
According to the method for monitoring and managing the food materials in the refrigerator, when the fact that the deteriorated food materials are taken out by a user is detected, the prompt information that the freshness of the food materials is deteriorated is stopped being output, and the prompt information for cleaning the refrigerator is output to the user; then detecting whether food materials consistent with the types of the taken-out deteriorated food materials exist in the refrigerator or not; and if the information does not exist, deleting the information of the deteriorated food materials, thereby reducing the power consumption of the intelligent refrigerator and enabling the user to obtain a warm prompt.
Further, referring to fig. 4, a fourth embodiment of the method for monitoring and managing the food in the refrigerator is provided based on the first embodiment of the method for monitoring and managing the food in the refrigerator.
In this embodiment, the steps before step S10 further include:
step S40, when the food material is detected to be put into the refrigerator, collecting the smell of the put food material, and converting the collected smell of the food material into a resistance value;
step S50, analyzing and comparing the resistance value of the collected food material odor with the resistance value of the prestored food material odor, and identifying the type of the food material;
step S60, extracting corresponding storage environment parameters according to the identified food material type, and adjusting the environment parameters of the refrigerator according to the extracted storage environment parameters.
In this embodiment, install switch detecting system in intelligent refrigerator for detect the open/close state of intelligent refrigerator, when detecting that the user opens intelligent refrigerator, judge whether the user puts into edible material, if the user puts into edible material, then gather the smell of the edible material of putting into through odor sensor, and convert the edible material smell of gathering into the resistance value. After the collected food material odor is converted into the resistance value, the resistance value of the collected food material odor needs to be sent to the data acquisition and processing unit, so that the data acquisition and processing unit analyzes and compares the collected resistance value of the food material odor with the prestored resistance value of the food material odor, and the type of the food material is identified. In this embodiment, in order to ensure that this embodiment can be normally implemented, the resistance value of each type of food material odor needs to be stored in the microcomputer control system in the intelligent refrigerator, and in the operation process of the intelligent refrigerator, when the type of food material needs to be identified, the odor resistance value of the food material can be extracted from the microcomputer control system. Further, when the fact that the user puts food materials into the compartment is recognized, whether the food materials are stored in the current compartment or not can be further judged, if yes, the types of the stored food materials are identified again, whether the food materials put into the compartment and the food materials stored in the compartment are suitable to be stored together or not is judged, and if not, the user is reminded of replacing the compartment in real time.
After identifying the type of food materials put in by a user, extracting corresponding storage environment parameters according to the identified type of food materials, and adjusting the environment parameters of the refrigerator according to the extracted storage environment parameters, wherein in the adjusting process, the extracted storage environment parameters can be firstly compared with the current environment parameters; if the extracted storage environment parameter is inconsistent with the current environment parameter, calculating a parameter difference value between the extracted storage environment parameter and the current environment parameter; and then adjusting the environmental parameters of the refrigerator according to the parameter difference. If the optimal storage temperature of the apples is zero and the current temperature in the refrigerator is 2 ℃, the temperature of the refrigerator is adjusted to zero so as to prolong the storage time of the apples. Further, when other compartments in the refrigerator also store food materials, the temperature of the compartment in which the apple is located can be extracted, the temperature of the compartment is compared with the optimal storage temperature of the apple, and then the temperature of the compartment is adjusted to the temperature consistent with the optimal storage temperature of the apple. Therefore, the stored food materials are stored in the optimal storage environment, and the storage time of the food materials is prolonged. Before extracting the storage environment parameters of the food materials, the optimal storage environment parameters of various food materials need to be stored in a microcomputer control system for subsequent extraction.
According to the method for monitoring and managing the food materials in the refrigerator, when the food materials are detected to be put into the refrigerator, the smell of the put food materials is collected, and the collected smell of the food materials is converted into the resistance value; then analyzing and comparing the collected resistance value of the smell of the food material with the prestored resistance value of the smell of the food material, and identifying the type of the food material; after the food material types are identified, different food materials have different requirements on storage environment parameters, so that the corresponding storage environment parameters need to be extracted according to the identified food material types, and the environment parameters of the refrigerator need to be adjusted according to the extracted storage environment parameters; the food materials put into the food storage device have the optimal storage environment, and the storage time of the food materials is prolonged.
Further, a fourth embodiment of the method for monitoring and managing food materials in a refrigerator according to the present invention is provided.
In this embodiment, the steps before step S60 further include:
judging whether the types of food materials in the refrigerator are more than one;
if the average value of the storage environment parameters is larger than the preset value, extracting the storage environment parameters corresponding to various food materials, and calculating the average value of the storage environment parameters corresponding to various food materials;
and taking the average value of the storage environment parameters as the environment parameters for adjusting the refrigerator.
In this embodiment, when there are a lot of food materials in the refrigerator, there may be a case where a plurality of kinds of food materials are stored in one compartment. At this time, the storage environment parameters of different kinds of food materials need to be referred to, and then the parameters of the compartments are adjusted. Specifically, the types of food materials currently stored in the refrigerator are counted, whether the types of food materials currently stored in the refrigerator are more than one is judged, if the types of food materials currently stored in the refrigerator are more than one, the types of food materials stored in each compartment can be further obtained, and if the types of food materials stored in each compartment are all one, the storage environment parameters of the food materials in the compartment are directly extracted. When more than one food material is stored in the compartment, extracting the storage environment parameters of each food material, then calculating the average value of the storage environment parameters corresponding to various food materials, and taking the average value of the storage environment parameters as the environment parameters for adjusting the refrigerator. In a specific implementation process, when the types of the food materials stored in each compartment are obtained, the difference values of the storage environment parameters corresponding to the food materials of various types can be further calculated, and if the difference values are too large, a user is reminded to replace the compartment immediately.
According to the method for monitoring and managing the food materials in the refrigerator, firstly, whether the types of the food materials in the refrigerator are more than one is judged; if the average value of the storage environment parameters is larger than the preset value, extracting the storage environment parameters corresponding to various food materials, and calculating the average value of the storage environment parameters corresponding to various food materials; and taking the average value of the storage environment parameters as the environment parameters for adjusting the refrigerator, so that the food materials in the intelligent refrigerator can be in a relatively reasonable storage environment.
The invention further provides a system for monitoring and managing the food materials in the refrigerator.
Referring to fig. 5, fig. 5 is a functional module schematic diagram of a food material monitoring and managing system in a refrigerator according to a first embodiment of the present invention.
In this embodiment, the system includes:
the detection module 10 is configured to detect food material smell in the refrigerator at regular time or in real time, and convert the detected food material smell into a resistance value;
in this embodiment, the food materials are identified and managed by using an intelligent refrigerator. The intelligent refrigerator is characterized in that an odor sensor, a microcomputer control system and a food material management system are installed in the intelligent refrigerator, the odor sensor is used for detecting odor of food materials, and the microcomputer control system comprises a data acquisition and processing unit, an intelligent management unit and a human-computer interaction unit. The data acquisition and processing unit is used for receiving the food material odor acquired by the odor sensor and the switch signal of the chamber and processing the food material odor acquired by the odor sensor. The intelligent management unit controls the work of the food material management system (such as temperature, fresh keeping, sterilization, deodorization and the like). The human-computer interaction unit is used for transmitting an instruction to the intelligent management unit when the display interface of the intelligent refrigerator receives the instruction triggered by a user, further processing the signal transmitted by the data acquisition and processing unit and then pushing the signal to the user or carrying out buzzing alarm; on the other hand, data can be transmitted to a user side computer or a mobile phone App through a network, so that a user can know the state of food materials in the refrigerator in real time. The food material management system comprises a temperature control unit for controlling the temperature of a food material storage space, a fresh-keeping control unit, a smell removal and sterilization unit and the like; the food material temperature control and fresh keeping method is used for intelligently controlling the temperature and keeping fresh of food materials according to the needs of the food materials. Therefore, a camera, a bar code or even a network and a big database are not needed, the food can be identified and monitored in freshness in the refrigerator body, the storage environment of the food can be automatically configured according to the detection result, and the freshness of the food can be monitored. It can be understood that the intelligent refrigerator comprises a plurality of chambers, each chamber is an independent space and is not influenced mutually, and the sealing baffle above each chamber is provided with the odor sensor, so that in the process of collecting odor, the odor is collected based on the independent chambers. Each compartment has a separate control damper for independently controlling the temperature of the compartment. And each chamber is internally provided with a fresh-keeping and moisture-preserving device and a sterilizing and deodorizing device.
After the food material is put into the intelligent refrigerator, the change of the resistance value of the food material smell in the refrigerator can be detected at regular time or in real time, for example, the change of the food material smell in the intelligent refrigerator is detected every 30 minutes or one hour, then the detected change of the smell is converted into the resistance value, and the specific interval time can be set according to the type of the put-in food material and is not limited to 30 minutes or one hour. The method can also detect the resistance value change of the food material smell in the refrigerator in real time.
A comparing module 20, configured to compare the detected resistance value of the food material odor with a resistance value of the odor when the food material is placed in the refrigerator, so as to obtain a difference value of the resistance values of the food material odors;
after obtaining the resistance value of the food material smell, extracting the resistance value of the smell when the food material corresponding to the collected food material smell is put into the refrigerator by the microcomputer control system in the refrigerator, then comparing the detected resistance value of the food material smell with the resistance value of the smell when the food material is put into the refrigerator, and obtaining the difference value between the detected resistance value of the food material smell and the resistance value of the smell when the food material is put into the refrigerator. When the number of times of detection is more, also can compare the smell resistance value that detects each time each other to improve the accuracy of judging food material freshness.
And the judgment and adjustment module 30 is configured to judge the freshness of the food material according to the resistance value difference of the food material odor, adjust the environmental parameter of the refrigerator according to the freshness of the food material, and output a prompt message to a user.
Then, the freshness of the food materials is judged according to the detected resistance value difference of the odor of the food materials, and it can be understood that the criterion for judging the freshness of each food material is different, the taste difference of some food materials in a fresh state and in an stale state is larger, and the taste difference of some food materials in a fresh state and in a stale state is smaller, so that the freshness of the food materials is judged according to the detected resistance value difference of the odor of the food materials by combining specific food material types. After the freshness of the food materials is judged, the environmental parameters, such as temperature, humidity and the like, of the intelligent refrigerator need to be further adjusted according to the freshness of the food materials, so that the storage parameters of the food materials put into the intelligent refrigerator at each stage are optimal parameters. And then outputting prompt information to a user in a display panel of the intelligent refrigerator, such as displaying the freshness of the current food material. Further, in order to enable a user to know the freshness of all food materials in the intelligent refrigerator more clearly, the specific positions of the compartments can be further acquired, and then the freshness of the food materials and the positions of the corresponding compartments are displayed on the display panel.
According to the system for monitoring and managing the food materials in the refrigerator, the odor of the food materials in the refrigerator is detected at regular time or in real time, and the detected odor of the food materials is converted into the resistance value; then comparing the detected resistance value of the smell of the food materials with the resistance value of the smell of the food materials when the food materials are put into a refrigerator, and obtaining the difference value of the resistance values of the smell of the food materials; and then judging the freshness of the food material according to the resistance value difference of the smell of the food material, outputting reminding information to a user according to the environmental parameters of the refrigerator for adjusting the freshness of the food material, qualitatively judging the freshness of the food material, and outputting the reminding information to the user, so that the food material is stored in reasonable environmental parameters according to the environmental parameters of the refrigerator for adjusting the freshness of the food material, and the user can manage the food material in the refrigerator conveniently.
Further, referring to fig. 6, a second embodiment of the system for monitoring and managing food materials in a refrigerator is provided based on the first embodiment of the system for monitoring and managing food materials in a refrigerator.
In this embodiment, the determining and adjusting module 30 includes:
the judgment and output unit 31 is configured to judge that the freshness of the food material is fresh if the similarity between the resistance value of the smell of the food material in the refrigerator and the resistance value of the smell of the food material when the food material is put into the refrigerator is greater than a first preset value, adjust an environmental parameter of the refrigerator to be a corresponding environmental parameter when the food material is fresh, and output a prompt message indicating that the freshness of the food material is fresh to a user; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a first preset value and larger than a second preset value, judging that the freshness of the food materials is stale, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are not fresh, and outputting prompt information that the freshness of the food materials is stale to a user; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a second preset value, the freshness of the food materials is judged to be deteriorated, the refrigerator is sterilized and deodorized, prompt information that the freshness of the food materials is deteriorated is output to a user, and the first preset value is larger than the second preset value.
In this embodiment, the freshness of the food material can be determined according to the change of the odor resistance value of the food material. Specifically, detecting the smell in the refrigerator in real time or at regular time, converting the detected smell into a resistance value, and comparing the resistance value of the smell of the current food material in the refrigerator with the resistance value of the smell of the food material when the food material is put into the refrigerator; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is larger than a first preset value, judging that the freshness of the food materials is fresh, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are fresh, and outputting prompt information that the freshness of the food materials is fresh to a user; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a first preset value and larger than a second preset value, judging that the freshness of the food materials is stale, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are not fresh, and outputting prompt information that the freshness of the food materials is stale to a user; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a second preset value, the freshness of the food materials is judged to be deteriorated, the refrigerator is sterilized and deodorized, prompt information that the freshness of the food materials is deteriorated is output to a user, and the first preset value is larger than the second preset value. When the freshness of the food materials is deteriorated, a buzzing warning can be further started to warn a user that the deteriorated food materials exist in the refrigerator, and meanwhile, the eating state of the deteriorated food materials can be displayed in the display panel to be inedible. Meanwhile, the first preset value and the second preset value can be set according to each type of food material.
Further, the judgment adjustment module 30 further includes:
an output unit 32, configured to stop outputting the prompt message indicating that the freshness of the food material is deteriorated when it is detected that the user takes out the deteriorated food material, and output a prompt message indicating that the refrigerator is cleaned to the user;
a detection unit 33 for detecting whether there is a food material in the refrigerator that is identical in kind to the taken out spoiled food material;
a deleting unit 34 configured to delete the information of the spoiled food if there is no food matching the type of the spoiled food taken out from the refrigerator.
In this embodiment, when detecting that deteriorated food materials are stored in the intelligent refrigerator, the user needs to be reminded in real time and monitored whether to take out the deteriorated food materials. In the monitoring process, when detecting that the user takes out the rotten edible material, stop to output the prompt message that the food freshness is rotten to reduce the consumption of intelligent refrigerator, in addition because can produce rotten stink, bacterium etc. after the edible material is rotten, consequently need to output the prompt message of clean refrigerator to the user, in order to clear away the stink, bacterium etc. that produce in the edible material rotten process. Further, after the deteriorated food materials are taken out by the user, whether food materials consistent with the deteriorated food materials in type are stored in the current compartment or not can be further judged, if yes, information of the deteriorated food materials is stored, the food materials in the intelligent refrigerator are continuously monitored, and if no food materials consistent with the deteriorated food materials in type are stored in the current compartment, the information of the food materials is deleted, so that the memory occupied by storage is reduced. Therefore, the power consumption of the intelligent refrigerator is reduced, and a user can be prompted to feel warm.
According to the food monitoring and management system in the refrigerator, corresponding information is output to a user according to different freshness of food materials, so that the user can know and manage the food materials in the intelligent refrigerator conveniently, and meanwhile, when the food materials are detected to deteriorate, a warning is output to the user, so that the user can clean the deteriorated food materials.
Further, referring to fig. 7, a fourth embodiment of the system for monitoring and managing food materials in a refrigerator is provided based on the first embodiment of the system for monitoring and managing food materials in a refrigerator of the present invention.
In this embodiment, the system further includes:
the collection module 40 is used for collecting the smell of the food materials when the food materials are detected to be put into the refrigerator, and converting the collected smell of the food materials into a resistance value;
the identification module 50 is configured to analyze and compare the collected resistance value of the food material odor with a pre-stored resistance value of the food material odor, and identify a food material type;
and an adjusting module 60, configured to extract corresponding storage environment parameters according to the identified food material types, and adjust the environment parameters of the refrigerator according to the extracted storage environment parameters.
In this embodiment, install switch detecting system in intelligent refrigerator for detect the open/close state of intelligent refrigerator, when detecting that the user opens intelligent refrigerator, judge whether the user puts into edible material, if the user puts into edible material, then gather the smell of the edible material of putting into through odor sensor, and convert the edible material smell of gathering into the resistance value. After the collected food material odor is converted into the resistance value, the resistance value of the collected food material odor needs to be sent to the data acquisition and processing unit, so that the data acquisition and processing unit analyzes and compares the collected resistance value of the food material odor with the prestored resistance value of the food material odor, and the type of the food material is identified. In this embodiment, in order to ensure that this embodiment can be normally implemented, the resistance value of each type of food material odor needs to be stored in the microcomputer control system in the intelligent refrigerator, and in the operation process of the intelligent refrigerator, when the type of food material needs to be identified, the odor resistance value of the food material can be extracted from the microcomputer control system. Further, when the fact that the user puts food materials into the compartment is recognized, whether the food materials are stored in the current compartment or not can be further judged, if yes, the types of the stored food materials are identified again, whether the food materials put into the compartment and the food materials stored in the compartment are suitable to be stored together or not is judged, and if not, the user is reminded of replacing the compartment in real time.
After identifying the type of food materials put in by a user, extracting corresponding storage environment parameters according to the identified type of food materials, and adjusting the environment parameters of the refrigerator according to the extracted storage environment parameters, wherein in the adjusting process, the extracted storage environment parameters can be firstly compared with the current environment parameters; if the extracted storage environment parameter is inconsistent with the current environment parameter, calculating a parameter difference value between the extracted storage environment parameter and the current environment parameter; and then adjusting the environmental parameters of the refrigerator according to the parameter difference. If the optimal storage temperature of the apples is zero and the current temperature in the refrigerator is 2 ℃, the temperature of the refrigerator is adjusted to zero so as to prolong the storage time of the apples. Further, when other compartments in the refrigerator also store food materials, the temperature of the compartment in which the apple is located can be extracted, the temperature of the compartment is compared with the optimal storage temperature of the apple, and then the temperature of the compartment is adjusted to the temperature consistent with the optimal storage temperature of the apple. Therefore, the stored food materials are stored in the optimal storage environment, and the storage time of the food materials is prolonged. Before extracting the storage environment parameters of the food materials, the optimal storage environment parameters of various food materials need to be stored in a microcomputer control system for subsequent extraction.
According to the food material monitoring and management system in the refrigerator, when the food material is detected to be put into the refrigerator, the smell of the put-in food material is collected, and the collected smell of the food material is converted into the resistance value; then analyzing and comparing the collected resistance value of the smell of the food material with the prestored resistance value of the smell of the food material, and identifying the type of the food material; after the food material types are identified, different food materials have different requirements on storage environment parameters, so that the corresponding storage environment parameters need to be extracted according to the identified food material types, and the environment parameters of the refrigerator need to be adjusted according to the extracted storage environment parameters; the food materials put into the food storage device have the optimal storage environment, and the storage time of the food materials is prolonged.
Further, a fifth embodiment of the system for monitoring and managing food materials in a refrigerator is provided based on the fourth embodiment of the system for monitoring and managing food materials in a refrigerator.
In this embodiment, the system further includes:
the judging module is used for judging whether the types of food materials in the refrigerator are more than one;
the extraction and calculation module is used for extracting storage environment parameters corresponding to various types of food materials and calculating the average value of the storage environment parameters corresponding to various types of food materials if the types of the food materials in the current refrigerator are more than one; and taking the average value of the storage environment parameters as the environment parameters for adjusting the refrigerator.
In this embodiment, when there are a lot of food materials in the refrigerator, there may be a case where a plurality of kinds of food materials are stored in one compartment. At this time, the storage environment parameters of different kinds of food materials need to be referred to, and then the parameters of the compartments are adjusted. Specifically, the types of food materials currently stored in the refrigerator are counted, whether the types of food materials currently stored in the refrigerator are more than one is judged, if the types of food materials currently stored in the refrigerator are more than one, the types of food materials stored in each compartment can be further obtained, and if the types of food materials stored in each compartment are all one, the storage environment parameters of the food materials in the compartment are directly extracted. When more than one food material is stored in the compartment, extracting the storage environment parameters of each food material, then calculating the average value of the storage environment parameters corresponding to various food materials, and taking the average value of the storage environment parameters as the environment parameters for adjusting the refrigerator. In a specific implementation process, when the types of the food materials stored in each compartment are obtained, the difference values of the storage environment parameters corresponding to the food materials of various types can be further calculated, and if the difference values are too large, a user is reminded to replace the compartment immediately.
In the system for monitoring and managing food materials in the refrigerator provided by this embodiment, it is first determined whether the types of the current food materials in the refrigerator are more than one; if the average value of the storage environment parameters is larger than the preset value, extracting the storage environment parameters corresponding to various food materials, and calculating the average value of the storage environment parameters corresponding to various food materials; and taking the average value of the storage environment parameters as the environment parameters for adjusting the refrigerator, so that the food materials in the intelligent refrigerator can be in a relatively reasonable storage environment.
The practical application of the preferred embodiment of the present invention refers to fig. 8 and 9, fig. 8 is a schematic external view of an intelligent refrigerator; fig. 9 is a system relationship diagram of a food material type identification and freshness monitoring management system in a refrigerator.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (6)

1. A method for monitoring and managing food materials in a refrigerator is characterized by comprising the following steps:
detecting the smell of food materials in the refrigerator in a timing or real-time manner, and converting the detected smell of the food materials into a resistance value;
comparing the detected resistance value of the smell of the food materials with the resistance value of the smell of the food materials when the food materials are put into a refrigerator, and obtaining the difference value of the resistance values of the smell of the food materials;
judging the freshness of the food materials according to the resistance value difference of the odor of the food materials, adjusting the environmental parameters of the refrigerator according to the freshness of the food materials, and outputting reminding information to a user;
the step of detecting the smell of the food materials in the refrigerator in a timing or real-time manner and converting the detected smell of the food materials into a resistance value further comprises the following steps of:
when the food materials are detected to be put into the refrigerator, collecting the smell of the put food materials, and converting the collected smell of the food materials into a resistance value;
analyzing and comparing the resistance value of the collected food material odor with the resistance value of the prestored food material odor, and identifying the type of the food material;
judging whether food materials are stored in the current compartment or not, if so, identifying the types of the stored food materials again, judging whether the food materials put into the compartment and the food materials stored in the compartment are suitable to be stored together or not, and if not, reminding a user of replacing the compartment immediately;
if no food material is stored in the current compartment, extracting corresponding storage environment parameters according to the identified food material types, and adjusting the environment parameters of the refrigerator according to the extracted storage environment parameters;
the step of extracting corresponding storage environment parameters according to the identified food material types and adjusting the environment parameters of the refrigerator according to the extracted storage environment parameters further comprises the following steps:
judging whether the types of food materials in the refrigerator are more than one;
if the average value of the storage environment parameters is larger than the preset value, extracting the storage environment parameters corresponding to various food materials, and calculating the average value of the storage environment parameters corresponding to various food materials;
and taking the average value of the storage environment parameters as the environment parameters for adjusting the refrigerator.
2. The method for monitoring and managing food materials in a refrigerator as claimed in claim 1, wherein the step of determining the freshness of the food materials according to the difference between the resistance values of the odors of the food materials and adjusting the environmental parameters of the refrigerator according to the freshness of the food materials comprises the steps of:
if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is larger than a first preset value, judging that the freshness of the food materials is fresh, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are fresh, and outputting prompt information that the freshness of the food materials is fresh to a user;
if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a first preset value and larger than a second preset value, judging that the freshness of the food materials is stale, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are not fresh, and outputting prompt information that the freshness of the food materials is stale to a user;
if the similarity between the resistance value of the smell of the food materials in the current refrigerator and the resistance value of the smell of the refrigerator when the food materials are put in is smaller than a second preset value, the freshness of the food materials is judged to be deteriorated, the refrigerator is sterilized and deodorized, prompt information that the freshness of the food materials is deteriorated is output to a user, and the first preset value is larger than the second preset value.
3. The method for monitoring and managing food materials in a refrigerator as claimed in claim 2, wherein the step of sterilizing and deodorizing the refrigerator if the freshness of the food materials is determined to be deteriorated and outputting a prompt message indicating that the freshness of the food materials is deteriorated to a user further comprises:
when the fact that the deteriorated food materials are taken out by a user is detected, outputting prompt information indicating that the freshness of the food materials is deteriorated, and outputting prompt information for cleaning a refrigerator to the user;
detecting whether food materials consistent with the types of the taken-out deteriorated food materials exist in the refrigerator or not;
and if the information does not exist, deleting the information of the deteriorated food material.
4. A food material monitoring and management system in a refrigerator, the system comprising:
the detection module is used for detecting the smell of the food materials in the refrigerator in a timing or real-time mode and converting the detected smell of the food materials into a resistance value;
the comparison module is used for comparing the detected resistance value of the food material smell with the resistance value of the smell of the food material when the food material is put into the refrigerator, and obtaining the difference value of the resistance values of the food material smell;
the judgment and adjustment module is used for judging the freshness of the food materials according to the resistance value difference of the odor of the food materials, adjusting the environmental parameters of the refrigerator according to the freshness of the food materials and outputting reminding information to a user;
the system further comprises:
the device comprises an acquisition module, a detection module and a control module, wherein the acquisition module is used for acquiring the smell of the input food material and converting the acquired smell of the food material into a resistance value when the user inputs the food material;
the identification module is used for analyzing and comparing the collected resistance value of the food material smell with the pre-stored resistance value of the food material smell, and identifying the type of the food material;
the adjusting module is used for judging whether food materials are stored in the current compartment or not, if yes, identifying the types of the stored food materials again, judging whether the food materials put into the compartment and the stored food materials in the compartment are suitable to be stored together or not, and if not, reminding a user of replacing the compartment in real time;
if no food material is stored in the current compartment, extracting corresponding storage environment parameters according to the identified food material types, and adjusting the environment parameters of the refrigerator according to the extracted storage environment parameters;
the system further comprises:
the judging module is used for judging whether the types of food materials in the refrigerator are more than one;
the extraction and calculation module is used for extracting storage environment parameters corresponding to various types of food materials and calculating the average value of the storage environment parameters corresponding to various types of food materials if the types of the food materials in the current refrigerator are more than one; and taking the average value of the storage environment parameters as the environment parameters for adjusting the refrigerator.
5. The system for monitoring and managing food materials in a refrigerator as claimed in claim 4, wherein the determining and adjusting module comprises:
the judgment output unit is used for judging the freshness of the food materials if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is larger than a first preset value, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are fresh, and outputting prompt information that the freshness of the food materials is fresh to a user; if the similarity between the resistance value of the smell of the food materials in the refrigerator and the resistance value of the smell of the food materials when the food materials are put into the refrigerator is smaller than a first preset value and larger than a second preset value, judging that the freshness of the food materials is stale, adjusting the environmental parameters of the refrigerator to be the corresponding environmental parameters when the food materials are not fresh, and outputting prompt information that the freshness of the food materials is stale to a user; if the similarity between the resistance value of the smell in the current refrigerator and the resistance value of the smell when the food materials are put in is smaller than a second preset value, the freshness of the food materials is judged to be deteriorated, the refrigerator is sterilized and deodorized, prompt information that the freshness of the food materials is deteriorated is output to a user, and the first preset value is larger than the second preset value.
6. The system for monitoring and managing food materials in a refrigerator as claimed in claim 5, wherein the determining and adjusting module further comprises:
the output unit is used for stopping outputting the prompt information that the freshness of the food materials is deteriorated when the fact that the user takes out the deteriorated food materials is detected, and outputting the prompt information for cleaning the refrigerator to the user;
a detection unit for detecting whether there is a food material in the refrigerator that is consistent with the type of the taken-out deteriorated food material;
a deleting unit configured to delete information of the spoiled food if no food matching the extracted spoiled food is present in the refrigerator.
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