CN116928982A - Cold chain management system and method for fresh-keeping food - Google Patents
Cold chain management system and method for fresh-keeping food Download PDFInfo
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- CN116928982A CN116928982A CN202310930233.0A CN202310930233A CN116928982A CN 116928982 A CN116928982 A CN 116928982A CN 202310930233 A CN202310930233 A CN 202310930233A CN 116928982 A CN116928982 A CN 116928982A
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- 235000013305 food Nutrition 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004321 preservation Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000007726 management method Methods 0.000 description 12
- 230000001276 controlling effect Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/008—Alarm devices
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
- G07F11/004—Restocking arrangements therefor
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- 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
- F25D2600/02—Timing
-
- 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
-
- 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
Abstract
The invention relates to the technical field of cold chain management, and discloses a cold chain management system and method for fresh-keeping foods, wherein the cold chain management system comprises a control module, a storage module and a storage module, wherein the control module is used for controlling the temperatures of different storage areas in a refrigerator to reach preset temperatures according to the heat preservation requirements of different fresh-keeping foods; the collecting module is used for collecting the temperature in the storage area and the time difference when the temperature in the storage area reaches the preset temperature; the processing module is used for receiving the time difference, comparing the time difference with a preset time storage quantity reference table and obtaining a food storage quantity state in the storage area; and the alarm module is used for receiving the food storage quantity state and judging whether to send out a replenishment alarm signal according to the food storage quantity state. The cold chain management system and the method for the fresh-keeping food can judge whether to send out a replenishment alarm signal according to the state of the storage capacity of the food, automatically remind a merchant to replenish the unmanned retail cabinet without manually and periodically searching the food.
Description
Technical Field
The invention relates to the technical field of cold chain management, in particular to a cold chain management system and method for fresh-keeping food.
Background
The unmanned retail cabinets are slowly integrated into various fields of people living, are mostly arranged in places with intensive personnel such as parks, subway openings, office buildings and the like, sell bottled beverages, bagged foods, living goods and the like, and bring great convenience to people living.
At present, most of unmanned retail cabinets are fixed at a certain place and are responsible for maintenance and daily replenishment by special persons, however, certain defects exist in the form, namely, the replenishment of the unmanned retail cabinets is usually judged by operators depending on intuition and experience of the operators, which machines need replenishment and the replenishment time, or the retail cabinets are checked regularly, and then the replenishment is carried out according to the storage capacity of the retail cabinets, so that merchants are not conveniently reminded of the replenishment of the unmanned retail cabinets according to the food storage capacity, and the situation that commodity supply is not required in some areas with large personnel flow is easily caused, and unnecessary loss is caused.
Disclosure of Invention
The invention aims to provide a cold chain management system and method for fresh-keeping food, which solve the problem that most unmanned retail cabinets are inconvenient to automatically remind merchants to replenish the unmanned retail cabinets according to the storage capacity of the food.
The aim of the invention can be achieved by the following technical scheme:
a cold chain management system for preserving food products, comprising:
the control module is used for controlling the temperatures of different storage areas in the refrigerator to reach preset temperatures according to the heat preservation requirements of different fresh-keeping foods;
the collecting module is used for collecting the temperature in the storage area and the time difference when the temperature in the storage area reaches the preset temperature;
the processing module is used for receiving the time difference, comparing the time difference with a preset time storage quantity reference table and obtaining a food storage quantity state in the storage area;
and the alarm module is used for receiving the food storage quantity state and judging whether to send out a replenishment alarm signal according to the food storage quantity state.
Preferably, the collecting module comprises a temperature sensor, the temperature sensor is used for measuring the temperature in the storage area, the control module comprises a temperature controller, the temperature controller is used for controlling the startup and shutdown of temperature control equipment corresponding to the storage area according to the temperature in the storage area measured by the temperature sensor and the heat preservation requirements of different fresh-keeping foods, and the time difference is the time difference between the startup and shutdown of the temperature control equipment.
Preferably, the preset time storage reference table includes a time difference T when the storage area is empty 0 Time difference T at half load 1 And time difference T at full load 2 Wherein T is 0 <T 1 <T 2 。
Preferably, the process of comparing the time difference with a preset reference table of the time storage amount to obtain the state of the food storage amount in the storage area is as follows:
if the time difference t=t of the current acquisition 0 The state of the storage capacity of the food in the corresponding storage area is no-load;
if the current acquired time difference T epsilon (T 0 ，T 1 ) The state of the storage capacity of the food in the corresponding storage area is a small load;
if the time difference t=t of the current acquisition 1 The state of the storage capacity of the food in the corresponding storage area is half-load;
if the current acquired time difference T epsilon (T 1 ，T 2 ) The corresponding state of the storage volume of the food in the storage area is overload;
if the time difference t=t of the current acquisition 2 The state of the storage volume of the food in the corresponding storage area is full.
Preferably, the process of judging whether to send the replenishment warning signal according to the state of the food storage volume is as follows:
if the state of the storage capacity of the food is no-load or less-load, sending a goods supplementing alarm signal;
and if the state of the storage quantity of the food is half-load or multi-load or full-load, not sending out a replenishment alarm signal.
Preferably, the processing module further comprises:
judging whether abnormality exists in the temperature control equipment in the corresponding storage area according to the currently acquired time difference t:
by the formula Δt=t 0 * Calculating the loss time difference of temperature control equipment in the storage area by gamma and beta;
if t>T 2 When +Deltat, judging that the temperature control equipment in the corresponding storage area is abnormal;
wherein t is 0 When the initial loss is preset, gamma is an annual loss coefficient corresponding to the service life of the storage area, and beta is a temperature loss coefficient corresponding to the temperature difference of the preset temperature set in the storage area.
Preferably, the annual loss factor is determined by:
wherein DeltaT p T is the time difference from the factory time of the refrigerator to the current time u And f is a preset standard value for the historical service time of the refrigerator.
A cold chain management method for fresh food, comprising:
collecting the temperature in each storage area in the refrigerator, and controlling the temperature of different storage areas in the refrigerator to reach a preset temperature according to the heat preservation requirements of different fresh-keeping foods;
collecting the time difference when the temperature in the storage area reaches the preset temperature, and comparing the time difference with a preset time storage quantity reference table to obtain the food storage quantity state in the storage area;
judging whether to send out a replenishment alarm signal according to the state of the food storage capacity.
The invention has the beneficial effects that:
1. according to the cold chain management system and method for the fresh-keeping food, the temperature in the storage area is collected through the collecting module, the temperature control equipment in the storage area is controlled to be operated according to the heat preservation requirements of the fresh-keeping food in different storage areas to adjust the temperature to the preset temperature, the time difference between the start of the operation of the temperature control equipment in the storage area and the end of the operation of the temperature control equipment in the storage area is collected, the difference of the temperature control time difference of the temperature control equipment in the storage area according to the different food storage amounts can be caused, the longer the temperature control time of the temperature control equipment is, the shorter the temperature adjustment time is, the time of the temperature adjustment is shorter, and the time difference is compared with the preset time storage amount reference table, so that the state of the food storage amount in the storage area can be obtained, and whether a replenishment alarm signal is sent or not is judged according to the state of the food storage amount, and the unmanned retail cabinet is reminded of replenishment, and manual merchants are not required to check regularly;
2. according to the cold chain management system and method for the fresh-keeping food, multiple factor parameters are synthesized to predict the increase of temperature control time difference caused by the occurrence of loss of temperature control equipment in each storage area, and when the current acquired time difference is larger than the sum of the time difference of the full load of the storage area and the loss time difference of the temperature control equipment, the temperature control equipment in the storage area is indicated to possibly fail and needs to be warned to remind workers to check the temperature control equipment before, so that the temperature control equipment can be maintained in time to prevent electricity consumption, or the electricity consumption caused by the condition that a cabinet door of a refrigerator is not closed or is not closed is avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a system module connection of the present invention;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention is a cold chain management system for fresh food, comprising:
the control module is used for controlling the temperatures of different storage areas in the refrigerator to reach preset temperatures according to the heat preservation requirements of different fresh-keeping foods;
the collecting module is used for collecting the temperature in the object placing area and the time difference when the temperature in the object placing area reaches the preset temperature;
the processing module is used for receiving the time difference, comparing the time difference with a preset time storage quantity reference table and obtaining a food storage quantity state in the storage area;
and the alarm module is used for receiving the food storage quantity state and judging whether to send out a replenishment alarm signal according to the food storage quantity state.
According to the technical scheme, the temperature of different storage areas in the refrigerator is controlled to reach the preset temperature according to the heat preservation requirements of different fresh-keeping foods, and the different storage areas can be set to be independent heat preservation areas in three temperature ranges of-18 degrees, 0-10 degrees and 35-45 degrees, so that the storage requirements of ice cream, quick-frozen foods, fresh-keeping foods, normal-temperature commodities, fresh hot products and the like are met, and the three-temperature integrated unmanned retail cabinet is formed; specifically, the temperature in the storage area is collected through the collection module, the temperature control equipment in the storage area is controlled by the control module according to the heat preservation requirements of fresh-keeping foods in different storage areas, the temperature is regulated to a preset temperature by working, the time difference from the start of the temperature control equipment in the storage area to the end of the operation is collected, the temperature control equipment has the difference according to the temperature control time difference of different food storage amounts due to the difference of the food storage amounts in the storage area, the time for regulating the temperature is longer when the food storage amount is larger, the time for regulating the temperature is shorter when the food storage amount is smaller, the time difference is compared with a preset time storage amount reference table, so that the state of the food storage amount in the storage area can be obtained, further, whether a replenishment alarm signal is sent out according to the state of the food storage amount is judged, a merchant is reminded of replenishing the unmanned retail cabinet without needing to manually regularly perform the replenishment, the problem that most of the unmanned retail cabinets is inconvenient to automatically remind the merchant of replenishing the unmanned retail cabinets according to the food storage amounts is solved, and the preset time reference table is obtained according to a plurality of groups of data tests.
The acquisition module comprises a temperature sensor, the temperature sensor is used for measuring the temperature in the storage area, the control module comprises a temperature controller, and the temperature controller is used for controlling the startup and shutdown of temperature control equipment corresponding to the storage area according to the temperature in the storage area measured by the temperature sensor and the heat preservation requirements of different fresh-keeping foods, wherein the time difference is the time difference between the startup and shutdown of the temperature control equipment.
For example, commodities in one storage area need to be stored within 0-10 ℃, when a temperature sensor in the storage area detects that the temperature in the storage area reaches 10 ℃, a temperature control device is started to stop when the temperature reaches 0 ℃, the time difference from the start to the stop of the temperature control device is recorded, and the time difference is compared with a preset time storage reference table to obtain the state of the food storage amount in the storage area.
The preset reference table of time storage quantity includes time difference T of empty load of storage area 0 Time difference T at half load 1 And time difference T at full load 2 Wherein T is 0 <T 1 <T 2 。
Comparing the time difference with a preset time storage quantity reference table, and obtaining the state of the food storage quantity in the storage area, wherein the process comprises the following steps of:
if the time difference t=t of the current acquisition 0 The state of the storage capacity of the food in the corresponding storage area is no-load;
if the current acquired time difference T epsilon (T 0 ，T 1 ) The state of the storage capacity of the food in the corresponding storage area is a small load;
if the time difference t=t of the current acquisition 1 The state of the storage capacity of the food in the corresponding storage area is half-load;
if the current acquired time difference T epsilon (T 1 ，T 2 ) The corresponding state of the storage volume of the food in the storage area is overload;
if the time difference t=t of the current acquisition 2 The state of the storage volume of the food in the corresponding storage area is full.
The process for judging whether to send out the replenishment alarm signal according to the state of the food storage volume comprises the following steps:
if the state of the storage capacity of the food is no-load or little-load, sending out a goods supplementing alarm signal;
if the state of the storage capacity of the food is half-load or multi-load or full-load, no goods supplementing alarm signal is sent out.
Through the technical scheme, according to the food storage quantity state of each storage area, merchants can be automatically reminded to carry out replenishment according to alarm signals, staff can be conveniently and timely arranged to carry out replenishment without manually and regularly searching for the goods, the working efficiency is improved, and the alarm module is connected with a merchant management end and sends the alarm signals to the merchant management end in real time.
The processing module further includes:
judging whether abnormality exists in the temperature control equipment in the corresponding storage area according to the currently acquired time difference t:
by the formula Δt=t 0 * Calculating the loss time difference of temperature control equipment in the storage area by gamma and beta;
if t>T 2 When +Deltat, judging that the temperature control equipment in the corresponding storage area is abnormal;
wherein t is 0 When the initial loss is preset, gamma is an annual loss coefficient corresponding to the service life of the storage area, and beta is a temperature loss coefficient corresponding to the temperature difference of the preset temperature set in the storage area.
Through the technical scheme, the fault detection method of the temperature control equipment is provided, and the specific formula delta t=t is adopted 0 * Calculating the loss time difference of temperature control equipment in the storage area by gamma and beta, if t>T 2 When +Deltat, judging that the temperature control equipment in the corresponding storage area is abnormal, wherein t is 0 When the initial loss is preset, gamma is the corresponding annual loss coefficient of the service life of the object placing areas, the longer the service life of each object placing area is, the more serious the loss of the temperature control equipment is, the longer the corresponding temperature control time difference is, the specific value of gamma is obtained according to fitting calculation of experimental data, beta is the corresponding temperature loss coefficient of the temperature difference of the preset temperature set by the object placing area, different object placing areas are provided with different preset temperatures, the temperature differences are also different, the loss of the temperature control equipment of each object placing area is also different, and the temperature difference is also differentThe larger the loss is, the specific value of beta is obtained according to fitting calculation of experimental data, through the technical scheme, the temperature control equipment in each storage area is predicted to increase along with the loss by combining a plurality of factor parameters, and when t>T 2 +Deltat, i.e. the time difference T currently acquired is greater than the time difference T when the storage area is fully loaded 2 When the sum of the loss time differences of the temperature control equipment is equal to the sum of the loss time differences of the temperature control equipment, the temperature control equipment in the storage area is indicated to possibly fail, an alarm is needed to be given, and workers are reminded of checking the temperature control equipment in advance, so that the temperature control equipment can be maintained in time to prevent the power consumption, or the power consumption caused by the condition that the cabinet door of the refrigerator is not closed or is not closed is avoided.
The annual loss factor is determined by:
wherein DeltaT p T is the time difference from the factory time of the refrigerator to the current time u And f is a preset standard value for the historical use time of the refrigerator.
Through the technical scheme, the method for calculating the annual loss coefficient is provided, and a specific formula is adoptedCalculation of DeltaT p T is the time difference from the factory time of the refrigerator to the current time u The historical service time f of the refrigerator is a preset standard value, so that the longer the service life of each storage area is, the more serious the loss of the temperature control equipment is, the longer the service time is, the year loss coefficient is continuously changed, and the relative accuracy of the loss time difference deltat of the temperature control equipment in the storage area is improved.
A cold chain management method for fresh food, comprising:
collecting the temperature in each storage area in the refrigerator, and controlling the temperature of different storage areas in the refrigerator to reach a preset temperature according to the heat preservation requirements of different fresh-keeping foods;
collecting the time difference when the temperature in the storage area reaches the preset temperature, and comparing the time difference with a preset time storage quantity reference table to obtain the food storage quantity state in the storage area;
judging whether to send out a replenishment alarm signal according to the state of the food storage capacity.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (8)
1. A cold chain management system for preserving food products, comprising:
the control module is used for controlling the temperatures of different storage areas in the refrigerator to reach preset temperatures according to the heat preservation requirements of different fresh-keeping foods;
the collecting module is used for collecting the temperature in the storage area and the time difference when the temperature in the storage area reaches the preset temperature;
the processing module is used for receiving the time difference, comparing the time difference with a preset time storage quantity reference table and obtaining a food storage quantity state in the storage area;
and the alarm module is used for receiving the food storage quantity state and judging whether to send out a replenishment alarm signal according to the food storage quantity state.
2. The cold chain management system of claim 1, wherein the acquisition module comprises a temperature sensor for measuring the temperature in the storage area, and the control module comprises a temperature controller for controlling the start-up and the stop of temperature control equipment corresponding to the storage area according to the temperature in the storage area measured by the temperature sensor and the heat preservation requirements of different fresh foods, wherein the time difference is the time difference between the start-up and the stop of the temperature control equipment.
3. The system according to claim 2, wherein the predetermined time storage reference table comprises a time difference T when the storage area is empty 0 Time difference T at half load 1 And time difference T at full load 2 Wherein T is 0 <T 1 <T 2 。
4. The cold chain management system of claim 3, wherein the process of comparing the time difference with a predetermined time storage reference table to obtain the state of the food storage in the storage area is as follows:
if the time difference t=t of the current acquisition 0 The state of the storage capacity of the food in the corresponding storage area is no-load;
if the current acquired time difference T epsilon (T 0 ，T 1 ) The state of the storage capacity of the food in the corresponding storage area is a small load;
if the time difference t=t of the current acquisition 1 The state of the storage capacity of the food in the corresponding storage area is half-load;
if the current acquired time difference T epsilon (T 1 ，T 2 ) The corresponding state of the storage volume of the food in the storage area is overload;
if the time difference t=t of the current acquisition 2 The state of the storage volume of the food in the corresponding storage area is full.
5. The cold chain management system of claim 4, wherein the process of determining whether to send a replenishment alert signal based on the state of the food storage capacity is:
if the state of the storage capacity of the food is no-load or less-load, sending a goods supplementing alarm signal;
and if the state of the storage quantity of the food is half-load or multi-load or full-load, not sending out a replenishment alarm signal.
6. The system of claim 5, wherein the processing module further comprises:
judging whether abnormality exists in the temperature control equipment in the corresponding storage area according to the currently acquired time difference t:
by the formula Δt=t 0 * Calculating the loss time difference of temperature control equipment in the storage area by gamma and beta;
if t>T 2 When +Deltat, judging that the temperature control equipment in the corresponding storage area is abnormal;
wherein t is 0 When the initial loss is preset, gamma is an annual loss coefficient corresponding to the service life of the storage area, and beta is a temperature loss coefficient corresponding to the temperature difference of the preset temperature set in the storage area.
7. The system of claim 6, wherein the annual loss factor is determined by:
wherein DeltaT p T is the time difference from the factory time of the refrigerator to the current time u And f is a preset standard value for the historical service time of the refrigerator.
8. A method for cold chain management of fresh food, comprising:
collecting the temperature in each storage area in the refrigerator, and controlling the temperature of different storage areas in the refrigerator to reach a preset temperature according to the heat preservation requirements of different fresh-keeping foods;
collecting the time difference when the temperature in the storage area reaches the preset temperature, and comparing the time difference with a preset time storage quantity reference table to obtain the food storage quantity state in the storage area;
judging whether to send out a replenishment alarm signal according to the state of the food storage capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310930233.0A CN116928982A (en) | 2023-07-27 | 2023-07-27 | Cold chain management system and method for fresh-keeping food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310930233.0A CN116928982A (en) | 2023-07-27 | 2023-07-27 | Cold chain management system and method for fresh-keeping food |
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| Publication Number | Publication Date |
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| CN116928982A true CN116928982A (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310930233.0A Pending CN116928982A (en) | 2023-07-27 | 2023-07-27 | Cold chain management system and method for fresh-keeping food |
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| Country | Link |
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| CN (1) | CN116928982A (en) |
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- 2023-07-27 CN CN202310930233.0A patent/CN116928982A/en active Pending
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