CN116933828A - Storage and transportation system capable of tracking and monitoring effective shelf life of packaged food - Google Patents
Storage and transportation system capable of tracking and monitoring effective shelf life of packaged food Download PDFInfo
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- CN116933828A CN116933828A CN202210327475.6A CN202210327475A CN116933828A CN 116933828 A CN116933828 A CN 116933828A CN 202210327475 A CN202210327475 A CN 202210327475A CN 116933828 A CN116933828 A CN 116933828A
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- 235000021485 packed food Nutrition 0.000 title claims abstract description 74
- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 13
- 230000008859 change Effects 0.000 abstract description 7
- 235000013305 food Nutrition 0.000 description 37
- 238000005192 partition Methods 0.000 description 6
- 238000004321 preservation Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 208000006992 Color Vision Defects Diseases 0.000 description 1
- 201000007254 color blindness Diseases 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
-
- 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 provisions 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 provisions 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/018—Certifying business or products
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Development Economics (AREA)
- Entrepreneurship & Innovation (AREA)
- Accounting & Taxation (AREA)
- General Engineering & Computer Science (AREA)
- Economics (AREA)
- Finance (AREA)
- Marketing (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
According to the invention, the unique electronic tags are configured on all packaged foods in the storage equipment, when the temperature in the storage equipment is equal to or higher than the set storage temperature of the packaged foods, a circuit on the electronic tags responds to the temperature change and records the actual quality guarantee period of the packaged foods at the corresponding temperature, under the control of the control module, the electronic reader device is connected with the electronic tags in a radio frequency communication mode and acquires the loading information containing the actual quality guarantee period in the electronic tags in real time, and the loading information is sent to the cloud server through the information receiving and sending unit, so that the whole monitoring of the actual quality guarantee period of the packaged foods from the factory storage, the post-factory logistics transportation, the merchant storage and the consumer storage is realized, the responsible object of the quality damage of the packaged foods is determined fairly and efficiently, and the strict control of the factory, the logistics company and the merchant on the storage environment of the packaged foods is promoted.
Description
Technical Field
The invention relates to monitoring of the effective shelf life of packaged foods, in particular to a storage and transportation system capable of tracking and monitoring the effective shelf life of packaged foods.
Background
The quality safety of the food directly affects the health of human bodies, and when the packaged food is in a preservation condition set by a non-manufacturer (such as the environmental temperature is far higher than the set preservation temperature during preservation), the quality of the packaged food can be accelerated due to the fact that the temperature is too high, namely the actual shelf life of the packaged food which can be safely eaten is greatly shortened, the rest of the actual shelf life calculated according to the shelf life on a package instruction is unreal, the food is wasted or the health of the human bodies is damaged due to the fact that the food is mistakenly eaten, and therefore, the monitoring of the actual shelf life of the packaged food in the storage and transportation process is very important.
The existing detection mode has the following defects:
1) The freshness grade of the food is prompted by adopting a biological, chemical or physical method through the color change on the indication label, the method is only used for prompting the freshness degree of the food, the specific time for which the food can be preserved cannot be directly reflected, and the accuracy is poor;
2) When the color of the indication label indicates the freshness grade of food, people need to know the freshness grade represented by each color in advance or need to check the color of the food indication label and the grade represented by the color according to a color grade information table, prompting is not visual, misjudgment is easily caused by confusion, the colors of the same color system are inconvenient to distinguish, and the color-based food is difficult to be suitable for people with color blindness; for foods of different types such as meat, fruits and the like, the same indication label has different color responses, so that the judgment difficulty of people on the freshness of the foods is further increased;
3) The packaged food can only independently detect the actual quality guarantee period of the packaged food in a certain time in the whole storage and transportation links of factory storage, delivery logistics transportation, sales storage and consumer storage, and cannot be intelligently monitored in real time, if the actual quality guarantee period of the packaged food detected in a certain link is reduced to be out of compliance with the acceptance or sales standard, no exact basis is needed to judge which link of the packaged food is improperly stored before, so that a responsible object cannot be fairly defined, and disputes are easily caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a storage and transportation system capable of detecting the quality of the packaged food in real time and tracking and monitoring the effective shelf life of the packaged food in the whole storage and transportation process from the production of the manufacturer to the eating of the packaged food.
In order to solve the technical problems, the invention adopts the following technical scheme:
the storage and transportation system comprises a storage warehouse before the packaged food leaves a factory, a cold chain warehouse in the transportation process, a refrigerated cabinet in a market and storage equipment for storing the packaged food, wherein the storage equipment is used by a final consumer, an electronic tag with a voltage response circuit for temperature change is configured on the monitored packaged food, a control module which comprises an information receiving and sending unit which is used for collecting loading information in the electronic tag through at least one electronic reading device and is connected with a cloud server is arranged in a control system of the storage equipment, and the control module is used for monitoring the actual shelf life of the packaged food in the storage equipment, which can be stored continuously and can be eaten safely under the environmental influence equal to or higher than the storage temperature regulated in the factory, in a radio frequency communication mode.
Preferably, the electronic tag is composed of an RFID module, a singlechip, a capacitor and a temperature-sensing resistor, the capacitor and the temperature-sensing resistor are arranged in parallel, one common connection end of the capacitor and the temperature-sensing resistor is connected with one signal input end of the singlechip, the other common connection end of the capacitor and the temperature-sensing resistor is connected with a ground end, and the actual quality guarantee period is as follows: (measured capacitance voltage value during storage period-set lowest voltage value)/k (set initial voltage value-set lowest voltage value)/set shelf life), k being the set safety factor.
Preferably, the power supply interface of the RFID module is connected with the positive electrode of the power supply of the singlechip, and the communication interface of the singlechip is connected with the signal input port of the RFID module.
Preferably, a plurality of partitions are provided in the space of the storage device for storing packaged foods, and one electronic reading device is provided in each partition.
Preferably, the information transceiver unit is provided with a clock circuit capable of acquiring the corresponding acquisition time of the electronic reading device when the electronic tag acquires the loaded information in the electronic tag.
According to the invention, the unique electronic tags are configured on all packaged foods in the storage equipment, when the temperature in the storage equipment is equal to or higher than the set storage temperature of the packaged foods, a circuit on the electronic tags responds to the temperature change and records the actual quality guarantee period of the packaged foods at the corresponding temperature, under the control of the control module, the electronic reader device is connected with the electronic tags in a radio frequency communication mode and acquires the loading information containing the actual quality guarantee period in the electronic tags in real time, and the loading information is sent to the cloud server through the information receiving and sending unit, so that the whole monitoring of the actual quality guarantee period of the packaged foods from the factory storage, the post-factory logistics transportation, the merchant storage and the consumer storage is realized, the responsible object of the quality damage of the packaged foods is determined fairly and efficiently, and the strict control of the factory, the logistics company and the merchant on the storage environment of the packaged foods is promoted.
Drawings
Fig. 1 is a schematic diagram of a circuit composition of an electronic tag according to the present invention.
Fig. 2 is a circuit block diagram of communication among an electronic reading device, an electronic tag and a cloud server in the electronic tag system provided by the invention.
Detailed Description
The storage and transportation system comprises storage equipment for storing packaged foods, wherein the storage equipment comprises a factory storage warehouse before delivery, a storage warehouse (such as a cold chain warehouse) in the process of logistics transportation, a storage cabinet (such as a refrigerated cabinet) in a market, a refrigerator used by consumers and the like.
By configuring the electronic tags on the packaged foods, the control system of the storage and transportation equipment correspondingly comprises a control module, a plurality of electronic reading devices and an information receiving and transmitting unit.
The control module controls the electronic reading device and the information receiving and transmitting unit.
The electronic reading device is in radio frequency communication connection with the electronic tag and acquires tag loading information which is recorded in the electronic tag and contains food information related to corresponding packaged foods, dynamic information of food safety quality and the like in real time, wherein the food information refers to complete information such as food names, ingredient lists, net contents, specifications, set preservation conditions (temperature, shady or protective appliances), production dates, safe eating periods (also called set shelf life), manufacturer information and other business information of the packaged foods; the dynamic information of the food safety quality refers to the actual quality guarantee period of the packaged food which is safely eaten along with the change of the preservation temperature in the storage and transportation processes (safe eating refers to the edible quality of the packaged food corresponding to the shelf life set by a factory at the specified preservation temperature).
The electronic reading device transmits the tag loading information to the information receiving and transmitting unit and transmits the tag loading information to the logistics monitoring center through the cloud server, so that the logistics monitoring center can realize whole-course monitoring of all packaged foods stored by factories, transported by logistics after delivery and stored by merchants, and meanwhile, the electronic reading device arranged on an ice frame, an ice chest or a refrigerator can be used as the tag loading information of the packaged foods in real time when consumers purchase and store the packaged foods after purchase.
1. Electronic label
Each packaged food is correspondingly provided with a unique electronic tag.
The electronic tag preferably has a length x width x thickness of (1.5-2.0) mm x (1.0-1.25) mm x (0.3-0.55) mm, and preferably has a size of 2.0 x 1.25 x 0.55 (mm) 3, and preferably is attached to the inner surface of the outer package of the packaged food to prevent the packaged food from falling off due to shaking or friction with other articles during storage and transportation.
The electronic tag consists of a passive circuit, can be flexibly moved or installed, is convenient to use, and consists of an RFID module, a singlechip U1, a capacitor C1 and a temperature-sensing resistor R1, and preferably integrates the singlechip U1, the RFID module, the capacitor C1 and the temperature-sensing resistor R1 into a same chip.
The RFID module mainly comprises RFID tags, and food information of packaged foods corresponding to the RFID tags is recorded in each RFID tag.
The singlechip U1 can be any singlechip U1 with AD data acquisition function, and the model of the singlechip U1 is preferably stm32f030f4p6.
The power supply interface of the power supply management for supplying power to the memory of the RFID tag is connected with the power supply anode pin VDD of the single chip microcomputer U1, the ground pin VSS of the single chip microcomputer U1 is grounded, and the communication interface of the single chip microcomputer U1, namely the clock pin SCL and the data pin SDA are respectively connected with the 7 th port and the 5 th port of the signal input end of the memory.
The capacitor C1 and the temperature sensing resistor R1 are arranged in parallel, one common connection end of the capacitor C1 and the temperature sensing resistor R1 is connected with the I/O port PA1 of the singlechip U1, the other common connection end is grounded, and the capacitor C1 can also be a polar capacitor C1.
The logical operation basis for detecting the actual shelf life of the packaged food by the circuit is as follows:
when foods in the storage and transportation stage are randomly detected, the actual shelf life of the packaged foods is (actually measured capacitance voltage value in the storage period-set lowest voltage value)/k (set initial voltage value-set lowest voltage value)/set shelf life).
The operation information is stored in a singlechip U1 of the electronic tag, wherein:
the "capacitance voltage value measured during the storage period" means: the voltage value obtained by detecting the capacitor C1 in real time;
"set shelf life" means: the method refers to the time when the edible quality of the target packaged food is reduced from the quality corresponding to the new food to the quality corresponding to the non-recommended edible after the target packaged food is stored at the set environmental temperature confirmed by a quality inspection department before leaving the factory;
the "set initial voltage value" is the initial voltage that the manufacturer charges the selected capacitor C1 in the electronic tag (it can be understood that the "set initial voltage value" corresponds to the food quality of the packaged food being in the freshest state).
The "minimum voltage value set" is the voltage value remaining on the capacitor C1 when the packaged food in which the capacitor C1 charged with the "initial voltage value set" is placed is stored at the set storage temperature until the expiration of the set shelf life in the case where the capacitor C1 and the temperature-sensitive resistor R1 are selected by the manufacturer: when the voltage value on the capacitor C1 is "the set initial voltage value" falls to "the set minimum voltage value", the packaged food is not edible from the viewpoint of safe eating.
The digital information of the "set shelf life", "set initial voltage value" and "set minimum voltage value" is stored in the single-chip microcomputer U1.
Wherein k is a safety factor which is a numerical value artificially set by a manufacturer according to the specific type of the packaged food, and the numerical value of k is also related to the selection of the temperature-sensitive resistor R1:
1) When the resistance-temperature curve of the temperature-sensitive resistor R1 is linear, for example, platinum resistance, K is preferably 1.
2) When the resistance-temperature curve of the temperature-sensitive resistor R1 is nonlinear, such as NTC thermistor (also called negative temperature coefficient thermistor), k is preferably selected to be 0 < k < 2.
The manufacturer can set the size of k according to the type of the packaged food, if the food can be safely eaten after the shelf life is properly prolonged, the size can be smaller than 1, if the food needs to be eaten as soon as possible, the shelf life can be set shorter, the size can be larger than 1, and preferably, the value of k is larger than 1, so that the food is ensured to be in the effective shelf life.
3) K can also be greater than 2 according to the setting requirements of manufacturers for the shelf life of different foods.
Preferably, the temperature sensing resistor R1 is an NTC thermistor, so that the voltage value of the capacitor C1 drops at a rate more consistent with the rate of decrease of the actual shelf life of the packaged food.
Through this electronic tags, can learn the accurate actual shelf life of packing food in real time and directly perceivedly, the detection mode is simple, and the response is rapid, and its production is simple, small, with low costs, and safe environmental protection.
2. Electronic reading device
The electronic reading device is an RFID reader (hereinafter referred to as reader), preferably a stationary reader.
Each reader has a unique identification (i.e., electronic code) and corresponds to a unique storage space, each storage space corresponding to a responsible object.
Preferably, each storage space is divided into a plurality of partitions, and a reader is correspondingly arranged in each partition.
The reader comprises an antenna, a radio frequency interface module and a logic control module.
The reader reads the electronic tags configured on all the packaged foods in the partition where the reader is positioned in a polling mode.
When the reader collects information of the electronic tag of a certain packaged food:
the logic control module of the reader sends out an instruction, the radio frequency interface module receives the signal and processes the current signal, the antenna converts the current signal into a radio frequency signal with a certain frequency, the RFID tag enters an electromagnetic field sent by the antenna to generate induction voltage to be activated, and the power supply interface supplies power to the singlechip U1.
The AD detection circuit of the singlechip U1 automatically collects voltage values at two ends of the capacitor C1 through the PA1 port, wherein the voltage values are actually measured capacitor voltage values in the storage period, and the singlechip U1 performs logic operation to calculate the actual quality guarantee period of the packaged food and sends the information to the memory of the RFID tag through the communication interface.
The RFID tag sends a carrier signal, the antenna L1 converts the carrier signal into a current signal, the current signal is received by the radio frequency interface module, and the reader can acquire food information and actual shelf life recorded in the electronic tag on the packaged food.
3. Information receiving and transmitting unit
The information receiving and transmitting unit may be an embedded terminal device, and preferably, the embedded terminal device is disposed in each storage space.
The embedded terminal device is used for collecting information (including food information and actual quality guarantee period) recorded in each electronic tag collected in the polling process of all readers in the storage space and a unique ID number corresponding to the electronic tag, and transmitting data including the information, electronic codes of the readers for collecting the information and collecting time (including date, hour, minute and second) of the readers provided by an RTC circuit of the embedded terminal device to the cloud server through a wireless transceiver (Bluetooth, SIM card, wireless gateway and the like).
4. Cloud server
For the electronic tag activated by the reader for the first time, the cloud server creates an object in its database according to the ID number of the electronic tag.
In the subsequent storage and transportation process, the reader activates the electronic tags according to a certain time interval, each piece of data comprising the actual quality guarantee period, the collection time and the electronic code of the reader, wherein the data is transmitted to the cloud end through the information receiving and transmitting unit, the cloud end compares the ID numbers of the electronic tags, the data is recorded in the object to which the corresponding electronic tag belongs, and meanwhile, the electronic code of the reader is also distinguished in the object. Therefore, the actual quality guarantee period and the storage space corresponding to each time period of each packaged food in the storage and transportation process can be known.
When a user (such as staff, consumers and the like in the storage and transportation stage) inquires food information of certain packaged food and the actual quality guarantee period limit, the food is displayed on a mobile terminal (a mobile phone end, a computer end and the like) or a display screen through cloud response; or visually displaying the change of the actual quality guarantee period of a certain packaged food in the whole storage and transportation process from delivery to eating, within a certain time period or in a certain storage space in a form of a chart and the like, so as to realize traceability.
According to which:
1) When the food is transferred to the storage space, the receiving party confirms the receiving: the cloud can process the data recorded in all objects of the database according to the acceptance standard preset by the actual shelf life and orderly classify all packaged foods to be received, each color represents one acceptance standard according to the display form required by the receiving party, such as through color partition display, and the food information and the actual shelf life of all packaged foods meeting the corresponding acceptance standard are displayed in each area, so that the receiving party can efficiently process the foods in batches, and the working efficiency is improved;
2) The responsibility object causing the quality damage of the packaged food can be simply and quickly defined. The cloud end can also calculate the quality damage degree of the packaged food in each storage space by comparing with the change of the actual quality guarantee period when the packaged food is stored at the set storage temperature, so that the loss required to be born by each responsible object is determined fairly, disputes are avoided, and strict control of food storage and transportation environments by factories, logistics companies, merchants and consumers is promoted;
3) The merchant can flexibly adjust the sales strategy, and the consumer can directly know or use the mobile terminal to inquire the actual quality guarantee period of the packaged food by self through the display screen of the merchant, so as to purchase the food with good value.
After food enters a household, consumers can also monitor the quality state of the food stored in the refrigerator in real time, the names and the actual quality guarantee period of all packaged food are displayed through a display screen or a mobile terminal on the refrigerator, and when the actual quality guarantee period is less than a certain value, an eating prompt can be automatically sent, so that people can reasonably plan the eating time, the subjective feeling of eating the food which can be eaten is avoided, and the health of a human body is ensured.
Claims (5)
1. The storage and transportation system capable of tracking and monitoring the effective shelf life of the packaged food comprises a storage warehouse before the packaged food leaves a factory, a cold chain warehouse in the transportation process, a refrigerator in a market and storage equipment for storing the packaged food, and a refrigerator used by a final consumer.
2. The system of claim 1, wherein the electronic tag comprises an RFID module, a single chip microcomputer, a capacitor and a temperature sensing resistor, the capacitor and the temperature sensing resistor are arranged in parallel, one common connection terminal of the capacitor and the temperature sensing resistor is connected with a signal input terminal of the single chip microcomputer, the other common connection terminal of the capacitor and the temperature sensing resistor is connected with a ground terminal, and the actual shelf life is: (measured capacitance voltage value during storage period-set lowest voltage value)/k (set initial voltage value-set lowest voltage value)/set shelf life), k being the set safety factor.
3. The system of claim 2, wherein the power supply interface of the RFID module is connected to the positive power supply of the single-chip microcomputer, and the communication interface of the single-chip microcomputer is connected to the signal input port of the RFID module.
4. A system for tracking and monitoring the effective shelf life of packaged food according to claim 3, wherein a plurality of compartments are provided in the space of said storage device in which packaged food is stored, one said electronic reading device being provided in each compartment.
5. The system of claim 4, wherein the information transceiver unit has a clock circuit for acquiring a corresponding acquisition time of the electronic reader when acquiring the information carried in the electronic tag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210327475.6A CN116933828A (en) | 2022-03-30 | 2022-03-30 | Storage and transportation system capable of tracking and monitoring effective shelf life of packaged food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210327475.6A CN116933828A (en) | 2022-03-30 | 2022-03-30 | Storage and transportation system capable of tracking and monitoring effective shelf life of packaged food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116933828A true CN116933828A (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210327475.6A Pending CN116933828A (en) | 2022-03-30 | 2022-03-30 | Storage and transportation system capable of tracking and monitoring effective shelf life of packaged food |
Country Status (1)
| Country | Link |
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| CN (1) | CN116933828A (en) |
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- 2022-03-30 CN CN202210327475.6A patent/CN116933828A/en active Pending
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