CN110671883B - Control method and system for automatically determining food material fresh-keeping time limit of refrigerator and refrigerator - Google Patents
Control method and system for automatically determining food material fresh-keeping time limit of refrigerator and refrigerator Download PDFInfo
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- CN110671883B CN110671883B CN201910869510.5A CN201910869510A CN110671883B CN 110671883 B CN110671883 B CN 110671883B CN 201910869510 A CN201910869510 A CN 201910869510A CN 110671883 B CN110671883 B CN 110671883B
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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
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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
- F25D2500/00—Problems to be solved
- F25D2500/06—Stock management
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Abstract
The invention relates to a control method and a control system for automatically determining the food material preservation period of a refrigerator. Judging a storage mode of food materials according to the fact that the food materials are placed in a compartment, automatically identifying food material information in a mode of combining bar code identification and image identification, sending the food material information and the storage mode to a cloud-end database to obtain storage time, and reminding a user in a mode of displaying on a screen, broadcasting by voice and sending information to an external terminal before the time limit. The method and the device can automatically determine the food material preservation period without manual setting, so that the refrigerator food material identification efficiency is obviously improved, and the use cost of a user is reduced.
Description
Technical Field
The invention relates to a refrigerator control method and system and a refrigerator, in particular to a control method and system for automatically determining the food material fresh-keeping time limit of the refrigerator and the refrigerator.
Background
In modern city life, a refrigerator user often has the problem that food materials are rotten and deteriorated due to the fact that food materials are forgotten to eat when the food materials are purchased, most of the existing refrigerators have a simple refrigeration control function, no treatment method is provided for the food materials stored for a long time, and the food materials are deteriorated to influence the air quality in the whole refrigerator.
In the prior art, reminding of food materials put into a refrigerator until the food materials are overdue is a fixed-time reminding. However, in practical situations, the food materials begin to decay before the reminding date due to various reasons, and the reminding at fixed time cannot well meet the requirement of refrigerator fresh-keeping reminding.
In the existing technology for automatically determining the food preservation period and reminding, an important link is to identify the type and the quantity of food materials put into a refrigerator by a user, most of the existing technologies adopt single modes such as manual input or bar code identification and image identification to acquire food material information, the food material identification efficiency is low, the refrigerator automatically determines the food preservation period difficultly, and the requirement of refrigerator preservation reminding cannot be well met.
Aiming at the phenomenon, the food material information is input in a combination of multiple modes, the food material identification rate is improved, the food material preservation period is automatically determined according to the information such as the type, the number and the storage mode of the food materials, a user is reminded before the preservation period, and the problem that the refrigerator needs to manually set the food material preservation period is well solved.
Disclosure of Invention
According to the method, the storage mode of the food materials is judged according to the fact that the food materials are placed in the compartment, the food material information is automatically identified in a mode of combining bar code identification and image identification, the food material information and the storage mode are sent to the cloud-end database to obtain the storage duration, and the user is reminded in modes of screen display, voice broadcasting and sending information to the external terminal before the duration. The method and the device can automatically determine the food material preservation period without manual setting, so that the refrigerator food material identification efficiency is obviously improved, and the use cost of a user is reduced.
Specifically, the method comprises the following steps: a control method for automatically determining the food material freshness date of a refrigerator comprises the following steps:
s01: the refrigerator normally operates;
s02: detecting whether a refrigerator door is opened or not, if so, entering the next step, judging whether a user puts food materials or not, and if not, returning to the initial step of S01;
s03: detecting whether a user puts food materials or not, if so, entering the next step to obtain the storage position information of the food materials, and if not, returning to the initial step of S01;
s04: obtaining the storage position information of food materials, and implementing corresponding preservation strategies on the food materials in different storage positions;
s05: the food material freshness date is determined and the process returns to the initial step of S01.
Preferably, step S05 is followed by the following steps: s06: and reminding the user before the preservation period according to the preservation period of the food materials. Further preferably, the manner of reminding the user in step S06 includes: and displaying on a screen, broadcasting by voice and sending information to an external mobile terminal.
Preferably, the step S02 is to detect whether the refrigerator is opened: the opening and closing state of the refrigerator door is detected by a door opening and closing sensor of the refrigerator.
Preferably, in step S03, information on the type and quantity of food materials is acquired.
Preferably, the manner of detecting whether the user puts the food material in step S03 is as follows: by acquiring the information of the food materials in the refrigerator, the information of the food materials stored in the refrigerator is compared with the information of the food materials stored in the refrigerator, and whether food materials are put into the refrigerator is judged.
Preferably, the manner of obtaining the food material type and quantity information in step S03 includes: the information of the type and the quantity of the food materials put in is obtained through automatic identification, and/or the information of the type and the quantity of the food materials is obtained through a manual input mode.
Preferably, the step S03 includes the steps of automatically identifying and obtaining the information on the type and quantity of the food material: bar code identification and image identification.
Preferably, the step S03 includes the steps of automatically identifying and obtaining the information on the type and quantity of the food material: and obtaining the information of the type and the quantity of the food materials through bar code identification, and if the bar code identification is unsuccessful, obtaining the information of the type and the quantity of the food materials through an image identification mode.
Preferably, the manner of obtaining the food material category information in step S03 includes: and obtaining the information of the type and the quantity of the food materials put in through automatic identification, and if the automatic identification fails, obtaining the information of the type and the quantity of the food materials through a manual input mode.
Preferably, the manner of obtaining the storage location information of the food material in step S04 is; the specific storage position of food materials is determined by monitoring and measuring the opening and closing states of the compartment doors of the refrigerator.
Preferably, a corresponding preservation strategy is implemented for the food material according to the storage position information of the food material.
Preferably, the manner of determining the food material fresh-keeping time in step S05 is as follows: and comparing the input food material information with the information of the food material database, and determining the food material preservation period by combining the storage position of the food material.
Preferably, the food material database is stored in a cloud server and/or a memory of a refrigerator.
Preferably, the manner of reminding the user in step S06 includes: and displaying on a screen, broadcasting by voice and sending information to an external mobile terminal.
In addition, the invention also provides a refrigerator which adopts the control method.
In addition, the invention also provides a control system for automatically determining the food material fresh-keeping time limit of the refrigerator, which comprises the following components: eat material memory position detection module, local storage module, eat material identification module, information processing module, the network module reminds the module, its characterized in that: the food storage position detection module is used for detecting a specific compartment when food is stored in the refrigerator and transmitting the information to the local storage module; the local storage module is used for storing information such as food material types, quantity, storage positions, storage duration, reminding time and the like; the food material identification module is used for identifying the types and the quantity of food materials put into the refrigerator and transmitting the information to the local storage module; the information processing module is used for processing the information from each module and sending the processed information to other modules; the network module is used for sending the food material information to the cloud server or receiving the information from the cloud server; and the reminding module is used for reminding the state of the food material.
Preferably, the food material identification module includes: an automatic identification module and a manual input module.
Preferably, the system further comprises a gas detection module, a temperature and humidity control module, a cloud server and a mobile terminal.
In addition, the invention also provides a refrigerator which adopts the control system.
The food material identification efficiency can be remarkably improved, the food material preservation period can be automatically determined, manual setting is not needed, and the use cost of a user is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.
Fig. 1 is a main flow diagram of a control method for automatically determining the food material freshness date of a refrigerator according to the present invention.
Fig. 2 is a schematic flow chart illustrating a process of determining a storage location of a food material according to the present invention.
Fig. 3 is a schematic flow chart illustrating the process of identifying food material types according to the present invention.
Fig. 4 is a schematic flow chart of determining the food material fresh-keeping time according to the present invention.
FIG. 5 is a schematic diagram of an image recognition module according to the present invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus, a repetitive description thereof will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the disclosure.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
The flow charts shown in the drawings are merely illustrative and do not necessarily include all of the contents and operations/steps, nor do they necessarily have to be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
It is to be understood that, as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It is to be understood by those skilled in the art that the drawings are merely schematic representations of exemplary embodiments, and that the blocks or processes shown in the drawings are not necessarily required to practice the present disclosure and are, therefore, not intended to limit the scope of the present disclosure.
Example 1:
the following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings of fig. 1-5: a control method for automatically determining the food material freshness date of a refrigerator comprises the following steps:
s01: the refrigerator normally operates;
s02: detecting whether a refrigerator door is opened or not, if so, entering the next step, judging whether a user puts food materials or not, and if not, returning to the initial step of S01;
s03: detecting whether a user puts food materials or not, if so, entering the next step to obtain the storage position information of the food materials, and if not, returning to the initial step of S01;
s04: obtaining the storage position information of food materials, and implementing corresponding preservation strategies on the food materials in different storage positions;
s05: the food material freshness date is determined and the process returns to the initial step of S01.
Preferably, step S05 is followed by the following steps: s06: and reminding the user before the preservation period according to the preservation period of the food materials.
Preferably, in step S01, when the refrigerator is normally operated, different freshness-keeping strategies are applied to the food materials in different compartments.
Preferably, the food material fresh-keeping strategy mainly comprises temperature and humidity control, and the food materials are fresh-kept at different temperatures and different humidities at different time periods.
Preferably, the manner of detecting whether the refrigerator door is opened in step S02 is: the opening and closing state of the refrigerator door is detected by a door opening and closing sensor of the refrigerator. Further preferably, the manner of reminding the user in step S06 includes: and displaying on a screen, broadcasting by voice and sending information to an external mobile terminal.
Specifically, door switch sensors are respectively installed in a refrigerating chamber, a freezing chamber and a temperature changing chamber of the refrigerator, the door switch sensors can send switch signals according to detected door closing actions, and a main control board of the refrigerator monitors the door switch signals of the chambers in real time. And if the refrigerator main control board detects the opening and closing signal of the refrigerator door, the next step S03 is carried out, if the refrigerator main control board does not detect the opening and closing signal of the refrigerator door, no processing is carried out, the step S01 is returned, and the refrigerator runs normally.
Preferably, the manner of detecting whether the user puts in the food material in step S03 is as follows: by acquiring the information of the food materials in the refrigerator, the information of the food materials stored in the refrigerator is compared with the information of the food materials stored in the refrigerator, and whether food materials are put into the refrigerator is judged.
Preferably, the method for acquiring the information on the type and quantity of the food materials comprises: the information of the type and the quantity of the food materials put in is obtained through automatic identification, and/or the information of the type and the quantity of the food materials is obtained through a manual input mode.
Preferably, if the information on the type and quantity of the food materials put in is failed to be obtained through automatic identification, the information on the type and quantity of the food materials is obtained through a manual input mode.
Specifically, each time the refrigerator door is opened, after the refrigerator door is closed, the bar code identification device is firstly utilized to identify the bar code on the food packaging bag, food material type information is obtained, if the bar code identification device reads the bar code information and matches the corresponding food material type information in the refrigerator, the bar code identification is successful, otherwise, the bar code identification is regarded as failed. Since the bar code recognition device cannot recognize the food material quantity information, the quantity of the food materials needs to be further recognized by combining with the image recognition device; of course, even when the barcode fails to identify the type of food, the image recognition device is required to identify the type and the number of food.
Preferably, when the image recognition module is used for performing image recognition on the refrigerator food, if the recognized food type and quantity information are matched with the corresponding food type information in the refrigerator, the image recognition is successful, otherwise, the image recognition is regarded as failed. Under the condition that the image recognition is successful, comparing the obtained food material type and quantity information with the previously stored food material information, if the food material type and quantity information is increased, indicating that food materials are put into the refrigerator, and if the food material type and quantity information is not changed or reduced, indicating that no food materials are put into the refrigerator; and sending a message to remind the user of manually inputting the food material information under the condition that the image identification fails.
Preferably, after the image recognition fails, reminding information of the food material types and the food material quantity which need to be manually input is sent to the cloud server, then the cloud server sends the information to the mobile phone end of the user, and the user inputs the food material types and the food material quantity information and then sends the information to the cloud server and then returns the information to the refrigerator.
The embodiment is also preferable, if the refrigerator cannot send the reminding information to the cloud server, the hot spot function of the mobile terminal of the user mobile phone can be directly connected with the refrigerator, and the refrigerator directly sends the reminding information to the mobile terminal of the user mobile phone.
Preferably, the information on the type and quantity of the food materials acquired in step S03 needs to be stored in the local storage module of the refrigerator.
If it is detected that the food material is put into the refrigerator in step S03, the flow proceeds to the next step S04, otherwise, the flow returns to step S01.
Preferably, in step S04, the food material storage location information is obtained by monitoring the opening and closing states of the compartment doors of the refrigerator to determine the specific storage location of the food material.
Specifically, the main control board of the refrigerator monitors the opening and closing signals of each compartment door of the refrigerator in real time, so that the storage position information of food materials can be directly acquired in the main control board, and the storage position information of the food materials is stored in the local storage module of the refrigerator.
Preferably, in step S05, the food material freshness date is determined by: and comparing the input food material information with the information of the food material database, and determining the food material preservation period by combining the storage position of the food material.
Preferably, the food material database is stored in a local storage module of the refrigerator and/or a cloud server, and the local storage module of the refrigerator can store some common food material information. The food material database of the local storage module can be conveniently used in the absence of a network.
Specifically, the food material type, the food material quantity and the storage position information are sent to the cloud server through the network module of the refrigerator, the three tags of the food material type, the food material quantity and the storage position in the cloud server database are matched, the information such as the corresponding preservation strategy and the reminding time under the tags of the food material type, the food material quantity and the storage position is sent to the network module of the refrigerator, and then the information is stored in the local storage module and executed.
Preferably, the food reminding time is 1-3 days earlier than the food fresh-keeping time.
Preferably, if the refrigerator has no network module or the corresponding preservation strategy and reminding time are not matched in the cloud server, the preservation strategy and the reminding time of the food materials are determined according to the database of the refrigerator and executed.
Further preferably, a hot spot function of a mobile terminal of a user mobile phone can be directly connected with the refrigerator, and the user sets and executes a preservation strategy and preservation time by himself.
Preferably, in step S06, when the reminding time of the food material is determined, a fresh-keeping strategy of the food material needs to be considered, specifically, the food material in the cold storage room is easy to decay and deteriorate, and the fresh-keeping time is shorter than that of the rest of compartments; the temperature of the freezing chamber is low, and the condition that the food materials are dried due to freezing is basically considered without considering the problem of deterioration; the preservation strategy of the temperature-variable chamber is related to the temperature of the temperature-variable chamber, and when the temperature rises, the preservation time of the food materials needs to be properly shortened.
Further preferably, in step S06, when the reminding time of the food material in the refrigerating chamber is determined, the gas detection module is required to determine the food material corruption situation according to the monitoring of the air quality in the refrigerating chamber, and the priority of the monitoring of the air quality is higher than the set time, that is, if the food material is monitored to have a corruption trend, the reminding is performed in advance without considering the set freshness date; and if the food material does not show the sign of putrefaction within the freshness date of the food material, reminding according to the originally set reminding time.
Preferably, in step S06, the method for reminding the user before the freshness date includes: and displaying on a screen, broadcasting by voice and sending information to the mobile terminal.
According to the control method for automatically determining the food material freshness date of the refrigerator, the food material information is automatically identified in a mode of combining bar code identification and image identification, the food material information and the storage mode are sent to the cloud database to automatically determine the food material freshness date, and a user is reminded before the time duration, so that manual setting is not needed, and the use cost of the user is reduced.
Example 2:
the embodiment provides a control system for automatically determining the food freshness date of a refrigerator, and adopts the control method provided in embodiment 1.
The principles and processes of the control system are further described below: the refrigerator control system includes: eat material memory position detection module, local storage module, eat material identification module, information processing module, the network module reminds the module, its characterized in that: the food storage position detection module is used for detecting a specific compartment when food is stored in the refrigerator and transmitting the information to the local storage module; the local storage module is used for storing information such as food material types, quantity, storage positions, storage duration, reminding time and the like; the food material identification module is used for identifying the types and the quantity of food materials put into the refrigerator and transmitting the information to the local storage module; the information processing module is used for processing the information from each module and sending the processed information to other modules; the network module is used for sending the food material information to the cloud server or receiving the information from the cloud server; and the reminding module is used for reminding the state of the food material.
Preferably, the food material storage position detection module includes: and the refrigerating chamber door switch sensor, the freezing chamber door switch sensor and the temperature-changing chamber door switch sensor are respectively used for detecting the door switch actions of the refrigerating chamber, the freezing chamber and the temperature-changing chamber and sending switch signals to the information processing module.
Preferably, the door opening and closing sensor may be a mechanical door opening and closing sensor or an electronic door opening and closing sensor.
Preferably, the food material identification module includes: an automatic identification module and a manual input module.
Preferably, the automatic identification module includes: the bar code identification device is combined with the image identification module, and the bar code identification mode and the image identification mode are combined, so that the identification rate of the food materials is greatly improved.
Preferably, the barcode recognition device may be integrated with the image recognition module or may be separately provided.
Preferably, the image recognition module comprises a compartment camera, an image processing module and a communication module.
Further preferably, the compartment camera is a wide-angle camera, is installed at a specific position of the refrigerator refrigerating chamber, and is used for acquiring an image inside the refrigerator refrigerating chamber and transmitting the image information to the image processing module. The image processing module has a basic image recognition function and is internally provided with a feature library of daily food. After the information of the chamber camera is acquired, image recognition is carried out to obtain the results of the food material types and the quantity and the like, and the results are transmitted to the information processing module through the communication module. If the identification is not successful, a message of failed identification is sent to the information processing module and processed by the information processing module. The communication module is responsible for communicating with other modules.
Preferably, the image processing module identifies the food material image obtained by the camera by using a machine learning algorithm based on a convolutional neural network.
Preferably, still include gaseous detection module, gaseous detection module is responsible for collecting the gas that gives out when eating the material corruption for the rotten condition of eating the material in the monitoring freezer realizes quick discovery, the function of reminding fast, and gaseous detection module detects it and transmits information for information processing module. The gas detection module comprises a gas detection sensor and is mainly used for detecting monosaccharide, disaccharide, organic acid, alcohol and aldehyde substances released by the putrefaction of fruits; proteins and fats putrefactive such as indole, sulfide, mercaptan, skatole, cadaverine, aldehydes, ketones, and bacterial toxins, etc.
Preferably, the system also comprises a temperature and/or humidity detection module, and the temperature and/or humidity detection module transmits the detected information to the information processing module. Further preferably, the humidity detection module may be integrated in the gas detection module. The temperature sensor can be selected from a temperature sensing bulb of the refrigerator.
Preferably, the information processing module is a main control board of the refrigerator, and a processor is arranged in the main control board and can process the information transmitted by each module.
Preferably, the reminding module mainly comprises a refrigerator display and a loudspeaker.
Preferably, the system further comprises a cloud server and a mobile terminal.
The cloud server stores a food material database for matching different fresh-keeping times of different food materials. And the method can be used as auxiliary analysis of image recognition and used for analyzing food materials which are difficult to recognize or cannot be recognized at the refrigerator end. When the food materials are about to expire, the information processing module or the cloud server can send expiration reminding information to the mobile terminal equipment of the user through the network module.
The mobile terminal includes but is not limited to a smart phone, a smart band, a smart speaker, and the like. The smart phone is used for inputting food materials by using modes such as voice, characters, classification selection and the like at the APP end of the mobile phone when information is input. Before the food material preservation period, the refrigerator sends reminding information to the mobile phone or the reminding module through the network module and the cloud server, and the mobile phone becomes a part of the reminding device. Products such as intelligent bracelet and intelligent audio amplifier also can play the warning effect.
The control system for automatically determining the food material freshness date of the refrigerator automatically identifies and acquires the types, the number and the storage position information of food materials, does not need manual setting, sends the food material information to the cloud database to automatically determine the food material freshness date, and reminds a user before the food materials are rotten, so that the food materials are prevented from being rotten to influence other food materials.
Example 3:
the present embodiment provides a refrigerator having the provision control system in embodiment 2. After the food materials are placed into the refrigerator by a user, the storage mode of the food materials is judged according to the food material placing chamber, the food material information is automatically identified in a mode of combining bar code identification and image identification, the refrigerator food material identification efficiency is remarkably improved, the food material information does not need to be manually input, the food material information and the storage mode are sent to the cloud database to obtain the food material preservation time, the user is reminded before the preservation period, and the use cost of the user is reduced.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (14)
1. A control method for automatically determining the food material fresh-keeping time limit of a refrigerator is characterized by comprising the following steps: the method comprises the following steps:
s01: the refrigerator normally operates;
s02: detecting whether the refrigerator door is opened, if yes, proceeding to the next step S03, if no, returning to the initial step of S01;
s03: judging whether the user puts food materials into the food materials, if the judgment result of detecting whether the user puts the food materials into the food materials is yes, entering the next step to obtain the storage position information of the food materials, and if not, returning to the initial step of S01;
s04: obtaining the storage position information of food materials, and implementing corresponding preservation strategies on the food materials in different storage positions;
s05: determining the food material freshness date, and returning to the starting step of S01, wherein the manner of determining the food material freshness date is as follows: comparing the input food material information with the information of the food material database, and determining the food material preservation period by combining the storage position of the food material;
s06: reminding a user before the preservation period according to the preservation period of the food materials;
in step S03, automatically recognizing the quantity information and the type information of the food materials by combining barcode recognition and image recognition, and then sending the quantity information and the type information of the food materials and the storage mode to the cloud database to automatically determine the freshness date of the food materials;
in step S06, the air quality of the refrigerating chamber monitored by the gas detection module is used to monitor the food material spoilage, and the priority of the monitored air quality is higher than the set time, that is, if the food material is monitored to have a spoilage trend, the food material is reminded in advance without being limited by the set preservation period; and if the food material does not show the sign of putrefaction within the freshness date of the food material, reminding according to the originally set reminding time.
2. The control method according to claim 1, characterized in that: the step S03 of determining whether the user has inserted food material includes identifying a bar code on a food packaging bag by a bar code identification device, acquiring information on the type of the food material and further identifying information on the quantity of the food material by an image identification device; identifying the type and the quantity of the food materials through an image identification device under the condition that the bar code fails to identify the type of the food materials; under the condition that the image recognition is successful, the obtained food material type and quantity information is further compared with the previously stored food material information, if the food material type and quantity information is increased, it is indicated that food materials are put into the refrigerator, and if the food material type and quantity information is not changed or reduced, it is indicated that no food materials are put into the refrigerator; sending a message to remind a user of manually inputting food material information under the condition that the image identification fails; the method comprises the steps that reminding information of food material types and quantities is manually input and sent to a cloud server, the cloud server sends information to a mobile phone end of a user, the user is instructed to input the food material types, the quantity information is sent to the cloud server through a network module of the refrigerator, the food material types, the quantity and storage position information are matched with three large labels of the food material types, the quantity and the storage positions in a cloud server database, the food material types, the quantity and the storage position information are sent to the refrigerator network module according to corresponding preservation strategies and reminding time information under the storage position labels, and the food material types, the quantity and the storage position information are transmitted back to the refrigerator to be stored in a local storage module and.
3. The control method according to claim 1, characterized in that: the step S02 detects whether the refrigerator is opened or not by: the opening and closing state of the refrigerator door is detected by a door opening and closing sensor of the refrigerator.
4. The control method according to claim 1, characterized in that: step S03 is to detect whether the user has put food material: by acquiring the information of the food materials in the refrigerator, the information of the food materials stored in the refrigerator is compared with the information of the food materials stored in the refrigerator, and whether food materials are put into the refrigerator is judged.
5. The control method according to claim 1, characterized in that: in step S03, information on the type and quantity of food materials needs to be obtained, and the manner of obtaining the information on the type and quantity of food materials in step S03 includes: the method comprises the steps of obtaining information of the type and the quantity of the food materials placed in the food material storage tank through automatic identification and/or obtaining the information of the type and the quantity of the food materials through a manual input mode.
6. The control method according to claim 5, characterized in that: the step S03 includes the steps of automatically identifying and obtaining the food material type and quantity information: and obtaining the information of the type and the quantity of the food materials through bar code identification, and if the bar code identification is unsuccessful, obtaining the information of the type and the quantity of the food materials through an image identification mode.
7. The control method according to claim 1, characterized in that: the manner of obtaining the food material category information in step S03 includes: and obtaining the information of the type and the quantity of the food materials put in through automatic identification, and if the automatic identification fails, obtaining the information of the type and the quantity of the food materials through a manual input mode.
8. The control method according to claim 1, characterized in that: step S04 is to obtain the food material storage position information in the following mode; the specific storage position of food materials is determined by monitoring the opening and closing states of the compartment doors of the refrigerator.
9. The control method according to claim 1, characterized in that: the food material database of step S05 is stored in the cloud server and/or the memory of the refrigerator.
10. A refrigerator, characterized in that: the refrigerator employs the control method of any one of claims 1 to 9.
11. A control system for automatically determining a fresh-keeping time limit of a refrigerator, comprising: eat material memory position detection module, local storage module, eat material identification module, information processing module, network module, remind the module, its characterized in that: the control system adopts the control method of any one of claims 1 to 10, and comprises a food storage position detection module, a storage position detection module and a storage position detection module, wherein the food storage position detection module is used for detecting a specific compartment when food is stored in a refrigerator and transmitting the information to a local storage module; the local storage module is used for storing the food material types, the food material quantities, the storage positions, the storage duration and the reminding time information; the food material identification module is used for identifying the types and the quantity of food materials put into the refrigerator and transmitting the information to the local storage module; the information processing module is used for processing the information from each module and sending the processed information to other modules; the network module is used for sending the food material information to the cloud server or receiving the information from the cloud server; and the reminding module is used for reminding the state of the food material.
12. The control system of claim 11, wherein: the food material identification module comprises: an automatic identification module and a manual input module.
13. The control system according to claim 11 or 12, characterized in that: the device further comprises a gas detection module, a temperature and humidity control module, a cloud server and a mobile terminal.
14. A refrigerator, characterized in that: the refrigerator having a control system as claimed in any one of claims 11 to 13.
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| CN113218879A (en) * | 2020-01-21 | 2021-08-06 | 青岛海尔电冰箱有限公司 | Food material storage method of refrigerator, refrigerator and storage medium |
| CN113154787A (en) * | 2020-01-22 | 2021-07-23 | 青岛海尔智能技术研发有限公司 | Control method and device for refrigerator and refrigerator |
| CN113468910A (en) * | 2020-03-30 | 2021-10-01 | 海信集团有限公司 | Article management method and device and intelligent refrigerator |
| CN113468909A (en) * | 2020-03-30 | 2021-10-01 | 海信集团有限公司 | Article management method and device and intelligent refrigerator |
| CN113465251B (en) * | 2020-05-28 | 2022-10-18 | 海信集团有限公司 | Intelligent refrigerator and food material identification method |
| CN111966056B (en) * | 2020-07-17 | 2023-04-07 | 润海智能科技扬州有限公司 | Method for ventilating using a dish recognition system |
| CN114294884B (en) * | 2021-05-28 | 2023-02-17 | 海信视像科技股份有限公司 | Refrigerator and message reminding method |
| CN114383352A (en) * | 2020-10-19 | 2022-04-22 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN112429371A (en) * | 2020-10-27 | 2021-03-02 | 南通海关综合技术中心(江苏国际旅行卫生保健中心南通分中心、南通海关口岸门诊部) | Food sampling and storing device for food detection, control system and control method |
| CN113606858A (en) * | 2021-08-10 | 2021-11-05 | 长虹美菱股份有限公司 | Refrigerator temperature setting and correction reminding device and control method |
| CN113513876B (en) * | 2021-09-14 | 2021-11-26 | 江苏宽程装备科技有限公司 | Intelligent refrigeration control method and system |
| CN117935506A (en) * | 2024-01-24 | 2024-04-26 | 包津铭 | Reminding method and system for fresh keeping of food materials of refrigerator |
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