CN113932550A - Refrigerator food material information management system and refrigerator - Google Patents

Refrigerator food material information management system and refrigerator Download PDF

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Publication number
CN113932550A
CN113932550A CN202010668807.8A CN202010668807A CN113932550A CN 113932550 A CN113932550 A CN 113932550A CN 202010668807 A CN202010668807 A CN 202010668807A CN 113932550 A CN113932550 A CN 113932550A
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CN
China
Prior art keywords
material information
food material
food
refrigerator
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010668807.8A
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Chinese (zh)
Inventor
王亚杰
刘兆祥
刘照光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Shandong Refrigerator Co Ltd
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Hisense Shandong Refrigerator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hisense Shandong Refrigerator Co Ltd filed Critical Hisense Shandong Refrigerator Co Ltd
Priority to CN202010668807.8A priority Critical patent/CN113932550A/en
Publication of CN113932550A publication Critical patent/CN113932550A/en
Pending legal-status Critical Current

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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
    • F25D29/005—Mounting of control devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/06—Stock management
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile

Abstract

The invention provides a refrigerator food material information management system which comprises a control module, a setting module, a food identification module and a data processing module, wherein the setting module is used for acquiring a plurality of set food material information acquisition time points; during the continuous closing period of the refrigerator door, when the set food material information acquisition time point is reached, the control module controls the food identification module to acquire food material information so as to obtain a food material information set corresponding to each food material information acquisition time point; the data processing module receives food material information sets corresponding to the food material information acquisition time points acquired by the food identification module, and calculates a food material information total set which is a union set of the food material information sets corresponding to the food material information acquisition time points; according to the food material information management system, under the condition that the door of the refrigerator is continuously and normally closed, a plurality of food material information acquisition time points are set, and the food material information acquired for multiple times is collected, so that the food material identification rate of the refrigerator can be effectively improved, and the food material information management is facilitated.

Description

Refrigerator food material information management system and refrigerator
Technical Field
The invention belongs to the technical field of household refrigerators, and particularly relates to a refrigerator food material information management system and a refrigerator.
Background
Currently, with the pace of life increasing, a user often forgets food material information (e.g., type of food material, storage time, etc.) of food materials stored in a refrigerator when using the refrigerator. Currently, the RFID is generally used in the refrigerator to read the tag on the food material to obtain the food material information stored in the refrigerator.
As shown in fig. 1, is a scene in an ideal situation (the tag and the antenna are in an air environment, and there is no shielding between the tag and the antenna); the specific flow of reading the tag by the RFID is an antenna-on tag-scanning mode, taking a tag one as an example, the strength of a wireless signal sent by an antenna is P1, the chip built in the tag receives an antenna signal, and simultaneously feeds back a signal (the strength is RP1), and the antenna receives the feedback signal of the tag one, so that the information of the tag one is scanned by the antenna. Because the signal attenuation is dependent on distance, the strength of the feedback signal will be smaller for tags further away under the same conditions, e.g., tag one and tag two, RP2< RP 1. Due to attenuation during signal transmission, tags that are farther away may be near the critical point of the signal, and the antenna may or may not be scanned.
In an actual refrigerator use scene, the tag is bound with the food materials, the space between the tag and the antenna can be shielded by the full food materials, and the radio frequency signal is used as radio wave and can be influenced by the transmission medium in the transmission process. When water and metal are met, the signal attenuation is large, and if the label is shielded by food materials with large water content, the label can be scanned sometimes and cannot be scanned sometimes; if the label cannot be scanned, the system considers that the food material does not exist in the refrigerator, the overall label identification rate of the refrigerator is reduced, and food material information management is not facilitated.
The invention is provided in view of the above.
Disclosure of Invention
The invention provides a refrigerator food material information management system aiming at the technical problems.
In order to achieve the purpose, the invention adopts the technical scheme that:
refrigerator food material information management system, it includes:
a control module;
the setting module is used for acquiring a plurality of set food material information acquisition time points;
a food identification module; when the refrigerator door is continuously closed and the set food material information acquisition time point is reached, the control module controls the food identification module to acquire food material information so as to obtain a food material information set corresponding to each food material information acquisition time point;
and the data processing module is used for receiving the food material information sets corresponding to the food material information acquisition time points acquired by the food identification module and calculating a food material information total set, wherein the food material information total set is a union set of the food material information sets corresponding to the food material information acquisition time points.
Preferably, the food identification module includes RFID tags attached to food and used for recording food information, RFID antennas used for receiving radio frequency signals emitted by the RFID tags, and an RFID reader for receiving and analyzing the radio frequency signals acquired by the RFID antennas.
Preferably, the food material information collection time points include a time point when a door is completely closed; and when the box door is completely closed, the food identification module reads food material information to obtain a food material information set A.
Preferably, the food material information collection time points include a door continuous closing time threshold Td0(ii) a The continuous closing time of the box door reaches a set continuous closing time threshold T of the box doord0And then, the food identification module reads the food material information to obtain a food material information set B.
Preferably, the system time period of the refrigerator is T, and the plurality of food material information collection time points include a set system time collection point Ts1，Ts2，……，Tsn(ii) a And when the system time reaches the set system time acquisition point, the food identification module reads food material information to obtain a food material information set corresponding to each set system time acquisition point.
Preferably, the system time reaches all the system time acquisition points, and food material information acquisition at the system time acquisition points is finished after the set food material information sets at all the system time acquisition points are obtained.
Preferably, wherein Ts1＜Ts2＜……＜TsnThe system time corresponding to the complete closing of the box door is Tb，Tsj＜Tb＜Ts(j+1)Then T is reached only at the system times(j+1)、……TsnThen, triggering the food material information acquisition; and reaches T at system timesnAnd completing all food material information acquisition of the set system time acquisition point after corresponding food material information acquisition is carried out. Preferably, the continuous closing time of the box door reaches a set continuous closing time threshold T of the box doord0The system time corresponding to the time and the set system time acquisition point Ts1，Ts2，……，TsnWhen one of the food materials is equal, the food material information acquisition is triggered only once.
Preferably, if the box door is opened, the food material information aggregate is the food material information aggregate a.
A refrigerator is provided with the refrigerator food material information management system.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention provides a refrigerator food material information management system which comprises a control module, a setting module, a food identification module and a data processing module, wherein the setting module is used for acquiring a plurality of set food material information acquisition time points; during the continuous closing period of the refrigerator door, when the set food material information acquisition time point is reached, the control module controls the food identification module to acquire food material information so as to obtain a food material information set corresponding to each food material information acquisition time point; the data processing module receives food material information sets corresponding to the food material information acquisition time points acquired by the food identification module, and calculates a food material information total set which is a union set of the food material information sets corresponding to the food material information acquisition time points; according to the food material information management system, under the condition that the door of the refrigerator is continuously and normally closed, a plurality of food material information acquisition time points are set, and the food material information acquired for multiple times is collected, so that the food material identification rate of the refrigerator can be effectively improved, and the food material information management is facilitated.
Drawings
FIG. 1 is a schematic diagram of an RFID reader in the prior art;
fig. 2 is a schematic block diagram of a food material information management system of a refrigerator according to the present invention;
FIG. 3 is a flowchart illustrating the overall control of the refrigerator food information management system according to the present invention;
fig. 4 is a specific control flowchart of an embodiment of the refrigerator food material information management system according to the present invention.
Detailed Description
The present invention is further described below in conjunction with specific examples to enable those skilled in the art to better understand the present invention and to practice it, but the scope of the present invention as claimed is not limited to the scope described in the specific embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
A refrigerator comprises a box body provided with a storage chamber and a box door hinged with the box body, wherein the storage chamber is internally provided with a storage unit for placing food; as shown in fig. 2, the refrigerator food material information management system includes a food identification module, a data processing module, a setting module, a timing module, and a control module connected to the food identification module through the data processing module;
the food identification module comprises an RFID label, an RFID antenna and an RFID reader-writer; the RFID label is used for recording food information and is attached to food, and particularly, the surface of the RFID label is provided with a bar code for representing the identification information of the RFID label; the RFID reader-writer reads and analyzes food information sent by the RFID label through an RFID antenna arranged in the refrigerator, and transmits the food information to the data processing module.
The control module is connected with the food identification module, the data processing module, the setting module and the timing module and performs information interaction with the food identification module, the data processing module, the setting module and the timing module. The control module comprises a refrigerator display panel and a refrigerator control panel; the refrigerator display panel is used for displaying refrigerator information, transmitting data collected by the refrigerator control panel to the data processing module, receiving an operation instruction from the data processing module, performing logic operation, and sending the operation instruction after the logic operation to the refrigerator control panel.
After food is placed, each RFID tag can send a radio frequency signal to the RFID antenna, the RFID antenna receives the radio frequency signal sent by each RFID tag and transmits the radio frequency signal to the RFID reader-writer, the RFID reader-writer transmits the signal to the data processing module, the data processing module processes received food material information and transmits the processed food material information to the control module, and the control module stores and displays the food material information stored in the storage chamber.
The setting module is used for acquiring various standard parameters of refrigerator operation, wherein the standard parameters include but are not limited to temperature parameters, time parameters and the like. The setting module in this embodiment is used to obtain the threshold T of the continuous closing time of the box doord0And the set system time acquisition point T ═ Ts1，Ts2，……，Tsn}。
The timing module is used for recording time, and can be specifically set as a timer. In the embodiment, the timing module records the continuous closing time T of the refrigerator door in the refrigerator food information management systemd。
According to the food storage system, after food is placed, the box door is completely closed and is continuously closed, when a plurality of set food material information acquisition time points are reached, the food material identification module acquires food material information, food material information sets corresponding to the food material information acquisition time points are obtained and sent to the data processing module, the data processing module calculates the union set of the food material information sets corresponding to the food material information acquisition time points to obtain a food material information total set, the processed food material information total set is transmitted to the control module, and the control module stores and displays the food material information stored in the storage chamber.
Specifically, as shown in fig. 3 to 4, the method for managing the food material information of the refrigerator includes determining that a door is continuously closed, and performing food material information acquisition at a plurality of set food material information acquisition time points to obtain food material information sets corresponding to the food material information acquisition time points; and calculating a union set of the food material information sets corresponding to the food material information acquisition time points to obtain a food material information total set. The method comprises the following specific steps:
s1: the door of the box is completely closed, the timer is reset to start timing, and the continuous closing time T of the box door is recordedd；
S2: the RFID reader-writer reads and processes RFID label information to obtain a food material information set A;
in step S2, food material information is collected when the door is completely closed, and the basic food material information in the storage room is obtained at the first time.
S3: is it determined whether the door is continuously closed? If yes, executing steps S411 and S421 simultaneously; if not, go to step S1;
food material information acquisition is ensured to be carried out under the condition that the box door is continuously closed, and the interference of the user on food material information acquisition caused by the fact that the box door is opened is avoided.
S411: obtaining the continuous closing time T of the box doordClosing the door for a duration TdAnd the set door continuous closing time threshold value Td0Comparing;
s412: judgment of Td＝Td0Is there a If yes, go to step S413; if not, executing step S411;
s413: the RFID reader-writer reads and processes the RFID label information to obtain a food material information set B;
s421: the counter starts counting, and the initial value of i is 1 and is a positive integer;
s422: reading the system time TsiAnd is matched with the set system time acquisition point set T ═ Ts1，
Ts2，……，TsnComparing;
s423: judgment of TsiE.g. T? If yes, go to step S424; if not, go to step S422;
s424: the RFID reader-writer reads and processes the RFID label information to obtain a food material information set Ci；
S425：i＝i+1；
S426: i ≦ n? If yes, go to step S422; if not, obtaining a food material information set C of the system time acquisition point1、C2……Cn；
It should be noted that, the above steps S411 to S413 and S421 to S426 set time points for different food material information acquisition, which are not limited to the above logical sequence, only describe an embodiment in which the food material information acquisition is performed at a plurality of set food material information acquisition time points, and a food material information set corresponding to each food material information acquisition time point is obtained.
In this embodiment, in S421 to S426, the system time acquisition point set T ═ Ts1，Ts2，……，TsnWhen the system time T is reachedsiAnd finishing the food material information acquisition of the part of the system time acquisition points after all the system time acquisition points are reached and the set food material information sets of all the system time acquisition points are obtained.
As an embodiment not shown, the system time 00: 00-24: 00 is a period, in the period, from the time when the box door is completely closed to the time when the system time period is finished, the system time acquisition point in the period triggers the food material information acquisition; such as setting Ts1＜Ts2＜……＜TsnThe system time corresponding to the complete closing of the box door is Tb，Ts3＜Tb＜Ts4Then T is reached only at system times4、Ts5……TsnThen, the food material letter is triggeredInformation collection; and reaches T at system timesnAnd completing all food material information acquisition of the part of system time acquisition points after corresponding food material information acquisition is carried out.
Specifically, T can be sets1＝3：00，Ts2＝9：00，Ts3＝15：00，Ts421: and 00, collecting the food material information at the four system time collecting points.
In addition, when the door is continuously closed for a time TdThreshold value T for continuous closing time of box doord0Corresponding system time point and system time acquisition point Ts1，Ts2，……，TsnWhen one of the food materials is equal, the food material information acquisition is triggered only once.
S5: food material information set B and food material information set C of system time acquisition point are obtained1、C2…、CnThen, determine if the door is continuously closed? If yes, calculating the total set M ═ A ═ B ═ C-1…∪Cn(ii) a And if not, the total food material information set M is equal to A, and the logic of the invention is repeated to collect the food material information.
At the initial stage of closing the box door, the shielding strength of food with high water content to signals is high, and the RFID label cannot be read due to the shielding of the food with high water content, so that the food material information cannot be acquired; the food material information is collected in the steps S411 to S413 or S421 to S426 when the closing time of the door reaches a preset door continuous closing time threshold Td0 or a system time collection point; as the time of the food in the box is prolonged, the food with high moisture content is frozen in the box, and the shielding strength of the food to the signal is reduced, so that the shielded RFID tag can be read to acquire food material information; in the union calculation of step S5, the food material information that is not acquired at the initial stage of closing the door is recorded, which effectively improves the recognition rate of the food material.
For example, when fresh meat is bought back into a refrigerator, the moisture is too high, and if the RFID tag is shielded by the fresh meat to a large extent, the shielded RFID tag cannot be read; and after the fresh meat is frozen, the signal can diminish through the decay of freezing meat, through eating material information acquisition again at a plurality of food material information acquisition time points of setting for, can discern and be sheltered from the RFID label.
According to the food material information management system, under the condition that the door of the refrigerator is continuously and normally closed, a plurality of food material information acquisition time points are set, and the food material information acquired for multiple times is collected, so that the food material identification rate of the refrigerator can be effectively improved, and the food material information management is facilitated.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (10)

1. Refrigerator food material information management system, its characterized in that it includes:
a control module;
the setting module is used for acquiring a plurality of set food material information acquisition time points;
a food identification module; when the refrigerator door is continuously closed and the set food material information acquisition time point is reached, the control module controls the food identification module to acquire food material information so as to obtain a food material information set corresponding to each food material information acquisition time point;
and the data processing module is used for receiving the food material information sets corresponding to the food material information acquisition time points acquired by the food identification module and calculating a food material information total set, wherein the food material information total set is a union set of the food material information sets corresponding to the food material information acquisition time points.
2. The refrigerator food material information management system according to claim 1, wherein:
the food identification module comprises RFID tags which are used for recording food information and are attached to food, RFID antennas which are used for receiving radio frequency signals sent by the RFID tags, and an RFID reader which receives and analyzes the radio frequency signals obtained by the RFID antennas.
3. The refrigerator food material information management system according to claim 1 or 2, characterized in that: the food material information acquisition time points comprise a door complete closing time point; and when the box door is completely closed, the food identification module reads food material information to obtain a food material information set A.
4. The refrigerator food material information management system according to claim 3, wherein: a plurality of food material information acquisition time points comprise a door continuous closing time threshold Td0(ii) a The continuous closing time of the box door reaches a set continuous closing time threshold T of the box doord0And then, the food identification module reads the food material information to obtain a food material information set B.
5. The refrigerator food material information management system according to claim 4, wherein: the system time period of the refrigerator is T, and the food material information acquisition time points comprise set system time acquisition points Ts1，Ts2，……，Tsn(ii) a And when the system time reaches the set system time acquisition point, the food identification module reads food material information to obtain a food material information set corresponding to each set system time acquisition point.
6. The refrigerator food material information management system of claim 5, wherein: and when the system time reaches all the system time acquisition points and the set food material information sets of all the system time acquisition points are obtained, ending the food material information acquisition of the system time acquisition points.
7. The refrigerator food material information management system of claim 5, wherein: wherein, Ts1＜Ts2＜……＜TsnThe system time corresponding to the complete closing of the box door is Tb，Tsj＜Tb＜Ts(j+1)Then T is reached only at the system times(j+1)、……TsnThen, triggering the food material information acquisition; and reaches T at system timesnAnd completing all food material information acquisition of the set system time acquisition point after corresponding food material information acquisition is carried out.
8. The refrigerator food material information management system according to claim 4, wherein: the continuous closing time of the box door reaches a set continuous closing time threshold T of the box doord0The system time corresponding to the time and the set system time acquisition point Ts1，Ts2，……，TsnWhen one of the food materials is equal, the food material information acquisition is triggered only once.
9. The refrigerator food material information management system according to claim 3, wherein: if the box door is opened, the food material information aggregate is a food material information aggregate A.
10. A refrigerator, characterized in that: the refrigerator is provided with the refrigerator food material information management system as claimed in any one of claims 1 to 9.
CN202010668807.8A 2020-07-13 2020-07-13 Refrigerator food material information management system and refrigerator Pending CN113932550A (en)

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Application Number Priority Date Filing Date Title
CN202010668807.8A CN113932550A (en) 2020-07-13 2020-07-13 Refrigerator food material information management system and refrigerator

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Application Number Priority Date Filing Date Title
CN202010668807.8A CN113932550A (en) 2020-07-13 2020-07-13 Refrigerator food material information management system and refrigerator

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Publication Number Publication Date
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020183882A1 (en) * 2000-10-20 2002-12-05 Michael Dearing RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags
CN107763956A (en) * 2016-08-23 2018-03-06 海信（山东）冰箱有限公司 A kind of refrigerator and its control method
CN109269215A (en) * 2018-08-31 2019-01-25 连云港伍江数码科技有限公司 Storage equipment, storage equipment control method, device, refrigerating equipment and system
CN109376813A (en) * 2018-08-31 2019-02-22 连云港伍江数码科技有限公司 Article-storage device, antenna scanning control method and refrigerator-freezer system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020183882A1 (en) * 2000-10-20 2002-12-05 Michael Dearing RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags
CN107763956A (en) * 2016-08-23 2018-03-06 海信（山东）冰箱有限公司 A kind of refrigerator and its control method
CN109269215A (en) * 2018-08-31 2019-01-25 连云港伍江数码科技有限公司 Storage equipment, storage equipment control method, device, refrigerating equipment and system
CN109376813A (en) * 2018-08-31 2019-02-22 连云港伍江数码科技有限公司 Article-storage device, antenna scanning control method and refrigerator-freezer system

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