CN105095664A - Method and system for calculating fruit shelf life - Google Patents
Method and system for calculating fruit shelf life Download PDFInfo
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- CN105095664A CN105095664A CN201510490574.6A CN201510490574A CN105095664A CN 105095664 A CN105095664 A CN 105095664A CN 201510490574 A CN201510490574 A CN 201510490574A CN 105095664 A CN105095664 A CN 105095664A
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- 244000241257 Cucumis melo Species 0.000 description 9
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- 244000241235 Citrullus lanatus Species 0.000 description 1
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 description 1
- 235000009847 Cucumis melo var cantalupensis Nutrition 0.000 description 1
- 241000220225 Malus Species 0.000 description 1
- 235000011430 Malus pumila Nutrition 0.000 description 1
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Abstract
The invention discloses a method and system for calculating fruit shelf life on the basis of synchronous monitor of inside and outside temperatures of the cold chain link. The shelf life of fruits going to hit the shelf can be effectively calculated. The method includes the steps of collecting temperature data inside fruits with shelf life to be calculated at different positions at different moments of the pre-cooling link, the refrigerating link and the refrigeration transporting link through probe type temperature sensors in real time, collecting environment temperature data outside fruits at different moments of the pre-cooling link, the refrigerating link and the refrigeration transporting link in real time through temperature sensors, obtaining temperature data inside fruits at different moments of the whole process of the pre-cooling link, the refrigerating link and the refrigeration transporting link according to the temperature data inside fruits at different positions at different moments, obtaining environment temperature data outside fruits at different moments of the whole process of the pre-cooling link, the refrigerating link and the refrigeration transporting link according to the environment temperature data outside fruits at different moments, and calculating the shelf life of fruits according to a preset fruit shelf life predicting model.
Description
Technical Field
The invention relates to the technical field of fruit quality monitoring, in particular to a method and a system for calculating the shelf life of fruits based on synchronous monitoring of internal and external temperatures in a cold chain link.
Background
For example, fruits such as watermelon, melon, apple, orange, pear, etc. need to be cooled, refrigerated, transported and other cold chain links in order to maintain the quality of picked fruits and prolong the storage time. After the fruit is sold on the shelf, the price of the fruit is often set by manually observing the quality of the fruit, so that the situation that the quality of the fruit is better and the price is higher before a certain day and then the fruit is rapidly rotten without making a lot of attention easily occurs, and the sales profit of the fruit is lower.
Therefore, in order to ensure the sales profits of the fruits, calculating the shelf life of the fruits after the cold chain link to guide the sales of the fruits becomes an urgent problem to be solved, but at present, no effective method for calculating the shelf life of the fruits after the cold chain link exists.
Disclosure of Invention
In view of this, the embodiment of the invention provides a method and a system for calculating the shelf life of fruits based on synchronous monitoring of internal and external temperatures in a cold chain link, which can effectively calculate the shelf life of fruits to be shelved.
To this end, the invention provides a fruit shelf life calculation system based on synchronous monitoring of internal and external temperatures in a cold chain link, which comprises:
the system comprises a first temperature gathering and transmitting terminal, a second temperature gathering and transmitting terminal, a third temperature gathering and transmitting terminal, a shelf life calculating module, a plurality of first temperature sensors and a plurality of second temperature sensors; wherein,
the first temperature sensors are used for acquiring temperature data of the interior of the fruit to be subjected to shelf life calculation at a plurality of positions at different moments in the processes of precooling, refrigeration and refrigerated transportation in real time;
the plurality of second temperature sensors are used for acquiring environmental temperature data outside the fruits at different moments in precooling, refrigerating and refrigerated transportation links in real time;
the first temperature gathering and transmitting terminal is used for acquiring temperature data inside the fruits to be subjected to shelf life calculation at a plurality of positions at different moments and acquired by the plurality of first temperature sensors in the precooling link and environmental temperature data outside the fruits at different moments and acquired by the plurality of second temperature sensors in the precooling link, and transmitting the temperature data to the shelf life calculation module;
the second temperature gathering and transmitting terminal is used for acquiring temperature data inside the fruits at a plurality of positions at different moments and acquired by the plurality of first temperature sensors in the refrigeration link and environmental temperature data outside the fruits at different moments and acquired by the plurality of second temperature sensors in the refrigeration link, and transmitting the temperature data to the shelf life calculating module;
the third temperature gathering and transmitting terminal is used for acquiring the temperature data inside the fruits at a plurality of positions at different moments and acquired by the plurality of first temperature sensors and the environmental temperature data outside the fruits at different moments and acquired by the plurality of second temperature sensors in the refrigeration transportation link, and transmitting the temperature data to the shelf life calculating module;
the shelf life calculation module is used for obtaining the internal temperature data of the fruits at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links according to the received internal temperature data of the fruits at the positions at different moments, obtaining the external environmental temperature data of the fruits at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links according to the received external environmental temperature data of the fruits at different moments, calculating the shelf life of the fruits according to a preset fruit shelf life prediction model, and outputting the shelf life of the fruits by inputting the fruit shelf life prediction model into the internal temperature data of the fruits at the positions at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links and the corresponding external environmental temperature data of the fruits.
On the other hand, the invention provides a method for calculating the shelf life of fruits based on synchronous monitoring of the internal and external temperatures of a cold chain link, which comprises the following steps:
acquiring temperature data of the interior of the fruit to be subjected to shelf life calculation at a plurality of positions at different moments in the processes of precooling, refrigerating and refrigerated transportation in real time by using a probe type temperature sensor;
acquiring environmental temperature data outside the fruits at different moments in precooling, refrigerating and refrigerating transportation links in real time by using a temperature sensor;
obtaining the internal temperature data of the fruit at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links according to the internal temperature data of the fruit at the positions at different moments, obtaining the external environmental temperature data of the fruit at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links according to the external environmental temperature data of the fruit at different moments, calculating the shelf life of the fruit according to a preset fruit shelf life prediction model, and outputting the shelf life of the fruit by inputting the internal temperature data of the fruit at the positions at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links and the corresponding external environmental temperature data of the fruit into the fruit shelf life prediction model.
The embodiment of the invention discloses a method and a system for calculating the shelf life of fruits based on the synchronous monitoring of the internal and external temperatures of a cold chain link, by collecting temperature data inside the fruits and environmental temperature data outside the fruits at a plurality of positions to be subjected to shelf life calculation at different moments in the pre-cooling, refrigerating and refrigerating transportation links in real time, obtaining the temperature data of the interior of the fruit at different moments in the whole process of the steps of precooling, refrigerating and refrigerating transportation according to the temperature data of the interior of the fruit at a plurality of positions at different moments, obtaining the external environment temperature data of the fruit at different moments in the whole process of precooling, refrigerating and refrigerated transportation according to the external environment temperature data of the fruit at different moments, and the shelf life of the fruits is calculated according to a preset fruit shelf life prediction model, so that the shelf life of the fruits to be shelved can be effectively calculated, and guidance is provided for salesmen to make a sales plan.
Drawings
FIG. 1 is a schematic diagram of a block structure of an embodiment of a fruit shelf life calculation system based on synchronous monitoring of internal and external temperatures in a cold chain link according to the present invention;
FIG. 2 is a front perspective view of a probe-type sensor for measuring the internal temperature of fruit in another embodiment of the fruit shelf life calculation system based on the synchronous monitoring of the internal and external temperatures in the cold chain link according to the present invention;
FIG. 3 is an electrical block diagram of FIG. 2;
FIG. 4 is a front perspective view of a fruit external temperature sensor in another embodiment of the fruit shelf life computing system based on the synchronous monitoring of the internal and external temperatures of the cold chain link according to the present invention;
FIG. 5 is an electrical block diagram of FIG. 4;
FIG. 6 is a front perspective view of a temperature convergence and transmission terminal in another embodiment of a computing system for fruit shelf life based on simultaneous monitoring of internal and external temperatures in a cold chain link according to the present invention;
FIG. 7 is an electrical block diagram of FIG. 6;
FIG. 8 is a flowchart illustrating the operation of the shelf life calculation module of FIG. 1;
fig. 9 is a schematic flow chart of an embodiment of a method for calculating the shelf life of fruits based on synchronous monitoring of the internal and external temperatures of a cold chain link according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment discloses a system for calculating the shelf life of fruits based on the synchronous monitoring of the internal and external temperatures of a cold chain link, which includes:
the system comprises a first temperature gathering and transmitting terminal A, a second temperature gathering and transmitting terminal B, a third temperature gathering and transmitting terminal C, a shelf life calculating module D, a plurality of first temperature sensors E and a plurality of second temperature sensors F; wherein,
the first temperature sensors E are used for acquiring temperature data of the interior of the fruit to be subjected to shelf life calculation at a plurality of positions at different moments in the processes of precooling, refrigeration and refrigerated transportation in real time;
the plurality of second temperature sensors F are used for acquiring environmental temperature data outside the fruits at different moments in precooling, refrigerating and refrigerating transportation links in real time;
the first temperature gathering and transmitting terminal a is used for acquiring temperature data inside the fruits to be subjected to shelf life calculation at a plurality of positions at different times and acquired by the plurality of first temperature sensors E in the precooling link and environmental temperature data outside the fruits at different times and acquired by the plurality of second temperature sensors F in the precooling link, and transmitting the temperature data to the shelf life calculation module;
the second temperature gathering and transmitting terminal B is used for acquiring temperature data inside the fruits at a plurality of positions at different moments and acquired by the plurality of first temperature sensors E in the refrigeration link and environmental temperature data outside the fruits at different moments and acquired by the plurality of second temperature sensors F in the refrigeration link, and transmitting the temperature data to the shelf life calculating module;
the third temperature gathering and transmitting terminal C is used for acquiring temperature data inside the fruits at a plurality of positions at different moments acquired by the plurality of first temperature sensors E and environmental temperature data outside the fruits at different moments acquired by the plurality of second temperature sensors F in a refrigeration transportation link, and transmitting the temperature data to the shelf life calculating module;
the shelf life calculation module D is used for obtaining the internal temperature data of the fruits at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links according to the received internal temperature data of the fruits at the positions at different moments, obtaining the external environmental temperature data of the fruits at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links according to the received external environmental temperature data of the fruits at different moments, calculating the shelf life of the fruits according to a preset fruit shelf life prediction model, and outputting the shelf life of the fruits by using the internal temperature data of the fruits at the positions at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links and the corresponding external environmental temperature data of the fruits as input of the fruit shelf life prediction model.
In the embodiment of the invention, the first temperature sensor can be a probe type sensor and is used for detecting the temperature in the fruit and sending the data to the temperature convergence and transmission terminal through a wireless transmission network by using a specified data protocol. The fruit internal temperature probe type sensor (a front perspective view is shown in fig. 2, and an electronic structure view is shown in fig. 3) includes a temperature detection part and a data processing part. The temperature detection part comprises a hollow metal probe 1, an internal microprocessor and the like, a micro temperature sensor 2 and a soft data line 3, the data processing part is connected with the temperature detection part through the soft data line, and the temperature detection part comprises a metal shell 4, an RF antenna 5, an LED micro display screen 6, a power supply charging port 7 and a pluggable power supply charger. The second temperature sensor is a fruit external temperature sensor (a front perspective view is shown in fig. 4, and an electronic structure diagram is shown in fig. 5), is used for detecting the external ambient temperature of the fruit, and comprises a metal shell 8, an internal microprocessor and the like, a temperature sensor probe 9, an RF antenna 10, an LED micro display screen 11, a power charging port 12, and a pluggable power charger. The temperature gathering and transmitting terminal is used for collecting data collected by the fruit internal temperature probe type sensor and the fruit external temperature sensor, collecting the data to the terminal in an RF wireless radio frequency mode, and sending the data to the shelf life calculating module through a wireless communication technology (WIFI or GPRS) after decoding processing. The temperature convergence and transmission terminal (a front perspective view is shown in fig. 6, and an electronic structure diagram is shown in fig. 7) includes a metal housing 13, an internal microprocessor, and the like, a WIFI antenna 14, an RF antenna 15, a GPRS antenna 16, a SIM card slot 17, a power charging port 18, and a pluggable power charger. The shelf life calculation module provides a function of monitoring and managing the temperature of the precooling process, the refrigerating process and the refrigerating transportation process, and can comprise a wireless communication sub-module, a precooling management sub-module, a refrigerating transportation management sub-module and a cold chain overall process fruit internal and external temperature analysis.
The wireless communication sub-module provides the function of receiving the temperature monitoring data transmitted by the temperature convergence and transmission terminal, and the data communication format is defined as the following table:
the pre-cooling management submodule can have functions of pre-cooling monitoring, pre-cooling warning and synchronous analysis of internal and external temperatures, the pre-cooling monitoring carries out real-time comparison and judgment through real-time monitoring on the internal and external temperatures of the fruits according to the optimal arrival temperature of the fruits, when the internal temperature reaches the optimal temperature, a pre-cooling completion command is sent out, a running stop command is sent out to pre-cooling equipment, and meanwhile, workers are informed to put the products into storage; the precooling warning function is used for sending out a warning signal to inform a worker to check when the external temperature sensor of the fruit cannot be reduced to the set temperature of the precooler group within the set time; the internal and external temperature synchronous analysis function displays the change curves of the internal and external temperatures of the fruits in the precooling process in a curve graph mode, analyzes the cooling time, the internal and external temperature difference change trend and the time required for reaching the consistent temperature of different types of fruits and updates the ideal time required for precooling monitoring.
The refrigeration management sub-module comprises functions of multi-point temperature monitoring, synchronous monitoring and analysis of internal and external temperatures of fruits and the like, wherein internal and external temperature monitoring sensors are arranged near refrigeration equipment from a near distance to a far distance according to the size of a refrigeration house in the multi-point temperature monitoring, the storage position and equipment layout are simulated in the module, real-time temperature change is displayed in a three-dimensional mode, and when the difference between the internal temperature and the external temperature of a product is overlarge or the external temperature of the product is overlarge, alarm information is sent to remind a worker to perform troubleshooting and product inspection; the function of synchronously monitoring the internal and external temperatures of the fruits shows the internal and external temperature change curves of the fruits in the form of a curve graph, provides visual inspection of a warehouse for workers, discovers the relationship between the temperature difference distance and refrigeration equipment, a stacking mode and the like through chart analysis, and provides an optimal stacking scheme.
The cold transportation management submodule comprises the functions of fruit inside and outside temperature monitoring, fruit inside and outside temperature synchronous monitoring and analysis and the like, the fruit inside and outside temperature monitoring provides real-time remote monitoring on the fruit inside and outside temperature in the refrigeration transportation process, an alarm signal is issued for the abnormal temperature condition, and a distributor is informed to check and ensure the normal refrigeration work of the refrigerator car; the inside and outside temperature synchronous monitoring and analysis shows the temperature change inside and outside the fruit in the form of a curve graph.
And (3) carrying out fruit inside and outside temperature analysis in the whole cold chain process, uniformly displaying the fruit inside and outside temperatures in the processes of precooling, refrigeration and cold transportation in a form of a graph and a table, and calculating the measured temperature and the existing temperature-related shelf life prediction model in combination to obtain the shelf life of the fruit, so that a reasonable sales plan can be made by sales staff.
Fig. 8 is a work flow of the shelf life calculation module. After the system is started, the wireless communication monitoring module is started, and the system can enter a precooling management sub-module, a refrigeration management sub-module, a cold transportation management sub-module and a cold chain whole-process fruit inside and outside temperature analysis module in parallel; in the precooling management submodule, the internal temperature and the external temperature of the fruit are monitored simultaneously in real time, when the internal temperature and the external temperature are consistent within a threshold value, whether the optimal temperature for precooling the fruit is reached is judged, whether the optimal temperature is overtime is judged after the optimal temperature is reached, if the optimal temperature is overtime, an alarm is given and whether the precooling effect is influenced by the overtime is checked, the overtime judgment is also needed during temperature monitoring, and if the optimal time for precooling is exceeded, the aim is not reached, an alarm may be given and whether the precooling equipment fails or not is checked; in the refrigeration management submodule, firstly, three-dimensional modeling display is carried out on the arranged internal and external temperature monitoring sensors, the internal and external temperatures are monitored, the internal and external temperature difference is calculated in real time, whether the temperature is normal or not is judged, whether the internal and external temperature difference is within a reasonable threshold value or not is judged, if not, an alarm is required, and if yes, monitoring is continued; in cold transportation management, the inside and outside temperature of fruits in a refrigerator car is monitored in real time, whether the temperature is normal or not and whether the inside and outside temperature difference is within a reasonable threshold value or not are judged, if not, an alarm is required, and if yes, the monitoring is continued; after the first three stages are completed, the salesperson can query and analyze the internal and external temperatures of the cold chain in the whole process through the internal and external temperature analysis module of the cold chain, and calculates the shelf life by utilizing the existing fruit shelf life prediction model based on the temperature, thereby making a sales plan.
The fruit shelf life calculation system based on the synchronous monitoring of the internal temperature and the external temperature of the cold chain link, by collecting temperature data inside the fruits and environmental temperature data outside the fruits at a plurality of positions to be subjected to shelf life calculation at different moments in the pre-cooling, refrigerating and refrigerating transportation links in real time, obtaining the temperature data of the interior of the fruit at different moments in the whole process of the steps of precooling, refrigerating and refrigerating transportation according to the temperature data of the interior of the fruit at a plurality of positions at different moments, obtaining the external environment temperature data of the fruit at different moments in the whole process of precooling, refrigerating and refrigerated transportation according to the external environment temperature data of the fruit at different moments, and the shelf life of the fruits is calculated according to a preset fruit shelf life prediction model, so that the shelf life of the fruits to be shelved can be effectively calculated, and guidance is provided for salesmen to make a sales plan.
Optionally, in another embodiment of the computing system for shelf life of fruits based on synchronous monitoring of internal and external temperatures of a cold chain link, the shelf life computing module is further configured to monitor whether a refrigeration device in a pre-cooling link works normally and whether pre-cooling is completed according to received temperature data inside the fruits and ambient temperature data outside the fruits, where shelf life computing is to be performed at multiple positions at different times in the pre-cooling link.
Optionally, in another embodiment of the system for calculating a shelf life of a fruit based on synchronous monitoring of internal and external temperatures of a cold chain link according to the present invention, the shelf life calculation module is further configured to calculate an internal and external temperature difference of the same fruit at the same time in the cold storage link according to received temperature data of the inside of the fruit at a plurality of positions at different times in the cold storage link and received ambient temperature data of the outside of the fruit at the plurality of positions at the different times in the cold storage link, and monitor whether refrigeration equipment in the cold storage link is working normally according to the internal temperature data of the fruit at the plurality of positions at the different times in the cold storage link, the ambient temperature data of the outside of the fruit, and the internal.
Optionally, in another embodiment of the system for calculating shelf life of fruits based on synchronous monitoring of internal and external temperatures in a cold chain link, the shelf life calculation module is further configured to perform three-dimensional modeling on the plurality of first temperature sensors and the plurality of second temperature sensors in the refrigerator in a refrigeration link to obtain a three-dimensional model, and display real-time temperature data acquired by the plurality of first temperature sensors and the plurality of second temperature sensors.
Optionally, in another embodiment of the system for calculating a shelf life of fruits based on synchronous monitoring of internal and external temperatures of a cold chain link, the shelf life calculation module is further configured to calculate an internal and external temperature difference of the same fruit at the same time in the cold storage transportation link according to received temperature data of the inside of the fruit at multiple positions at different times in the cold storage transportation link and external environment temperature data of the fruit, and monitor whether refrigeration equipment in the cold storage transportation link normally operates according to the internal temperature data of the fruit at the multiple positions at different times in the cold storage transportation link, the external environment temperature data of the fruit and the internal and external temperature difference of the same fruit at the same time in the cold storage transportation link.
The invention can be suitable for a plurality of links which need to be subjected to temperature control, such as precooling, cold storage and transportation of cold-chain logistics, can realize the effect of monitoring the temperature reduction of the fruit in real time in the precooling link by synchronously monitoring the internal temperature and the external temperature of the fruit in real time, and can finish precooling after the temperature reduction is determined to meet the requirement; in the cold storage link, the temperature in the fruits and the temperature of the refrigeration house are synchronously monitored at multiple points, so that whether the refrigeration house works abnormally or not and whether the internal temperature and the external temperature of the fruits are consistent or not are detected in real time, and the fruits are stored at proper temperature; in the refrigeration transportation link, the temperature inside the fruits and the temperature of the carriage are remotely monitored in real time, whether the carriage refrigerating unit normally works or not is detected in real time, and whether the temperature environment of the carriage meets the requirements or not is judged, so that the fruit transportation process is ensured to be in a proper temperature environment.
An embodiment of the present invention is described in detail below.
The invention relates to a fruit shelf life calculation system based on synchronous monitoring of internal and external temperatures in a cold chain link, which comprises the following steps:
1. pre-cooling process temperature monitoring management
(1) Placing 300 boxes of picked melons into 6 trays, randomly selecting one melon in each tray, inserting a probe type fruit internal temperature sensor, placing a fruit external temperature sensor in the box, and arranging 6 probe type fruit internal temperature sensors and 6 fruit external temperature sensors in total;
(2) placing the melons with 6 trays into a pre-refrigeration house for differential pressure pre-cooling, wherein the pre-cooling temperature is set to be 8 ℃;
(3) the shelf life calculation module is arranged on a computer outside the pre-cooling warehouse, and a temperature convergence and transmission terminal is arranged at the door opening of the pre-cooling warehouse;
(4) opening a precooling management submodule of a shelf life calculation module, and checking real-time temperature change curves inside and outside the fruit;
(5) when the precooling reminding is found to be completed, the precooling equipment is closed; if alarm reminding is found, the temperature can not be reduced to the set temperature for a long time, and troubleshooting needs to be carried out on the refrigeration equipment;
(6) after precooling is finished, transferring the 6 trays to a refrigeration house;
2. refrigeration process temperature monitoring
(1) Storing melons with 6 trays, namely a probe type fruit internal temperature sensor and a fruit external temperature sensor, in a refrigeration house for 5 days, wherein the temperature of the refrigeration house is set to be 8 ℃;
(2) a temperature gathering and transmitting terminal is configured at the door of the refrigerator;
(3) the warehouse manager can check the monitoring data of the internal and external temperatures of 6 pairs of fruits in the six trays of the refrigeration house and the temperature change curve at any time in any place through the refrigeration management submodule of the shelf life calculation module every day;
(4) when the temperature difference between the inside and the outside of a certain tray fruit is larger than a threshold value, a storage manager receives an alarm signal, checks faults of each refrigerating device of the refrigeration storage, and transfers the tray fruit with the overhigh temperature to an area which is closer to the refrigerating device and has better refrigerating effect;
3. refrigerator car temperature monitoring
(1) Stacking 6 pallets into a refrigerated truck;
(2) a temperature gathering and transmitting terminal is arranged in a driving cabin of the refrigerator car;
(3) the production enterprise can remotely check the temperature conditions inside and outside 6 pairs of fruits in the carriage in real time through the cold transportation management submodule of the shelf life calculation module, and can remind accompanying distribution personnel of the refrigerator truck to check refrigeration facilities of the refrigerator truck through a telephone when the temperature is found to be too high or too low;
4. analysis of fruit inside and outside temperature in the whole process of cold chain
(1) Obtaining the change curve of the inner temperature and the outer temperature of the muskmelon in the whole process 6 from precooling to the end of refrigerated transportation by utilizing the monitoring data of the inner temperature and the outer temperature of the shelf life calculation module;
(2) the salesman can judge that the freshness of the melons is good by visually checking the temperature change and finding that no abnormal temperature condition exists, and the remaining shelf life of the melons is more than 20 days under the same low-temperature storage condition, so that the melons are sold and promoted.
The invention has the following effects:
(1) by adopting the equipment capable of supporting temperature monitoring in the multi-link cold chain process of precooling, refrigerating and cold transportation, the temperature inside and outside the fruit and the temperature difference can be obtained in real time, the temperature curve inside and outside the fruit in the whole process from precooling to cold transportation ending is obtained, whether the cold chain environment of the fruit is ideal or not can be judged through analyzing the temperature curve, and theoretical reference is provided for the subsequent formulation of a sales plan and the like.
(2) The monitoring capability of the cold chain temperature environment of the fruits can be effectively improved, the fruits are ensured to be at the effective cold chain temperature condition, and guarantee measures are provided for guaranteeing the quality safety of the fruits and improving the shelf life of the fruits.
As shown in fig. 9, the embodiment discloses a method for calculating the shelf life of fruits based on synchronous monitoring of the internal and external temperatures of a cold chain link, which comprises the following steps:
s1, acquiring temperature data of the interior of the fruit to be subjected to shelf life calculation at a plurality of positions at different moments in the processes of precooling, refrigeration and refrigerated transportation in real time by using a probe type temperature sensor;
s2, acquiring environmental temperature data outside the fruits at different moments in the steps of precooling, refrigerating and refrigerating transportation in real time by using a temperature sensor;
s3, obtaining temperature data of the interior of the fruit at different moments in the whole process of a pre-cooling, refrigerating and refrigerating transportation link according to the temperature data of the interior of the fruit at the positions at different moments, obtaining environment temperature data of the exterior of the fruit at different moments in the whole process of the pre-cooling, refrigerating and refrigerating transportation link according to the environment temperature data of the exterior of the fruit at different moments, calculating the shelf life of the fruit according to a preset fruit shelf life prediction model, and outputting the shelf life of the fruit by inputting the fruit shelf life prediction model into the temperature data of the interior of the fruit at the positions at the different moments in the whole process of the pre-cooling, refrigerating and refrigerating transportation link and the corresponding environment temperature data of the exterior of the fruit.
The embodiment of the invention discloses a fruit shelf life calculation method based on synchronous monitoring of internal and external temperatures in a cold chain link, by collecting temperature data inside the fruits and environmental temperature data outside the fruits at a plurality of positions to be subjected to shelf life calculation at different moments in the pre-cooling, refrigerating and refrigerating transportation links in real time, obtaining the temperature data of the interior of the fruit at different moments in the whole process of the steps of precooling, refrigerating and refrigerating transportation according to the temperature data of the interior of the fruit at a plurality of positions at different moments, obtaining the external environment temperature data of the fruit at different moments in the whole process of precooling, refrigerating and refrigerated transportation according to the external environment temperature data of the fruit at different moments, and the shelf life of the fruits is calculated according to a preset fruit shelf life prediction model, so that the shelf life of the fruits to be shelved can be effectively calculated, and guidance is provided for salesmen to make a sales plan.
Optionally, in another embodiment of the method for calculating shelf life of fruit based on synchronous monitoring of internal and external temperatures of a cold chain link, the method further includes:
and monitoring whether the refrigeration equipment in the precooling link works normally and whether precooling is finished or not according to the temperature data inside the fruit and the environmental temperature data outside the fruit at a plurality of positions to be subjected to shelf life calculation at different moments in the precooling link.
Optionally, in another embodiment of the method for calculating a shelf life of a fruit based on synchronous monitoring of internal and external temperatures of a cold chain link according to the present invention, the monitoring whether a refrigeration device in the pre-cooling link is working normally and whether pre-cooling is completed according to temperature data inside the fruit and temperature data outside the fruit at a plurality of positions at different times in the pre-cooling link to be subjected to shelf life calculation includes:
for temperature data in the fruit to be subjected to shelf life calculation at any position of the precooling link at any moment, judging whether the temperature data in the fruit to be subjected to shelf life calculation at the position at the moment is equal to corresponding environment temperature data outside the fruit or not, if so, judging whether the temperature data in the fruit is equal to a preset temperature or not, if not, judging whether the time length for the temperature data in the fruit to reach the temperature data in the fruit is greater than the preset time length or not, if not, completing precooling, otherwise, alarming; and/or
The method comprises the steps of judging whether temperature data inside fruits to be subjected to shelf life calculation at any position of a precooling link are equal to corresponding ambient temperature data outside the fruits at the position at the moment or not and whether the temperature data are greater than the preset temperature or not at the moment corresponding to preset duration, if so, alarming, otherwise, completing precooling.
Optionally, in another embodiment of the method for calculating shelf life of fruit based on synchronous monitoring of internal and external temperatures of a cold chain link, the method further includes:
calculating the internal and external temperature difference of the same fruit at the same time in the refrigeration link according to the temperature data inside the fruit at a plurality of positions at different times in the refrigeration link and the environmental temperature data outside the fruit;
and monitoring whether refrigeration equipment in the refrigeration link works normally or not according to the temperature data inside the fruits at a plurality of positions at different moments in the refrigeration link, the ambient temperature data outside the fruits and the internal and external temperature difference of the same fruit at the same moment in the refrigeration link.
Optionally, in another embodiment of the method for calculating shelf life of fruit based on synchronous monitoring of internal and external temperatures of a cold chain link, the method further includes:
calculating the internal and external temperature difference of the same fruit at the same time in the refrigeration transportation link according to the temperature data inside the fruit and the environmental temperature data outside the fruit at a plurality of positions at different times in the refrigeration transportation link;
and monitoring whether refrigeration equipment in the refrigeration transportation link works normally or not according to the temperature data inside the fruits at a plurality of positions at different moments in the refrigeration transportation link, the ambient temperature data outside the fruits and the internal and external temperature difference of the same fruit at the same moment in the refrigeration transportation link.
The invention monitors the internal temperature of the fruit in real time through the probe type temperature sensor with the real-time wireless transmission function; monitoring the external environment temperature of the fruits in real time through an external temperature sensor with a real-time wireless transmission function; the probe type temperature sensor and the external temperature sensor adopt the same wireless communication protocol, carry out data transmission with a temperature convergence and transmission terminal (supporting both WIFI communication and GPRS communication, applicable to various environments) in a wireless communication mode, and transmit data to the shelf life calculation module through the temperature convergence and transmission terminal; the fruit refrigeration effect can be determined and the refrigeration operation can be guided by synchronously monitoring the internal and external temperatures of the fruit, calculating the temperature difference and judging the threshold value of the temperature difference; the temperature of the cold storage can be displayed in a three-dimensional way by monitoring the internal and external temperatures of fruits at multiple points of the cold storage, and an abnormal alarm is given according to the real-time monitored temperature and the threshold value of the temperature difference; by monitoring the temperature inside and outside the fruits in the refrigerator carriage, whether the internal temperature of the fruits is in a reasonable range can be judged, and whether the carriage refrigeration equipment works normally can be determined; a reasonable sale plan is made according to the fruit inside and outside temperature curve in the whole cold chain process and the shelf life calculated by combining the existing fruit shelf life model; the method and the system for calculating the shelf life of the fruits based on the synchronous monitoring of the internal temperature and the external temperature of the cold chain link can monitor the temperature information of the three cold chain stages of fruit pre-cooling, cold storage and cold transportation, improve the automation means, realize the fine management of the temperature of the fruits in the processes of pre-cooling, cold storage and cold transportation, and provide a new method for managing the quality of the fruits.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. A fruit shelf life calculation system based on synchronous monitoring of internal and external temperatures of a cold chain link is characterized by comprising:
the system comprises a first temperature gathering and transmitting terminal, a second temperature gathering and transmitting terminal, a third temperature gathering and transmitting terminal, a shelf life calculating module, a plurality of first temperature sensors and a plurality of second temperature sensors; wherein,
the first temperature sensors are used for acquiring temperature data of the interior of the fruit to be subjected to shelf life calculation at a plurality of positions at different moments in the processes of precooling, refrigeration and refrigerated transportation in real time;
the plurality of second temperature sensors are used for acquiring environmental temperature data outside the fruits at different moments in precooling, refrigerating and refrigerated transportation links in real time;
the first temperature gathering and transmitting terminal is used for acquiring temperature data inside the fruits to be subjected to shelf life calculation at a plurality of positions at different moments and acquired by the plurality of first temperature sensors in the precooling link and environmental temperature data outside the fruits at different moments and acquired by the plurality of second temperature sensors in the precooling link, and transmitting the temperature data to the shelf life calculation module;
the second temperature gathering and transmitting terminal is used for acquiring temperature data inside the fruits at a plurality of positions at different moments and acquired by the plurality of first temperature sensors in the refrigeration link and environmental temperature data outside the fruits at different moments and acquired by the plurality of second temperature sensors in the refrigeration link, and transmitting the temperature data to the shelf life calculating module;
the third temperature gathering and transmitting terminal is used for acquiring the temperature data inside the fruits at a plurality of positions at different moments and acquired by the plurality of first temperature sensors and the environmental temperature data outside the fruits at different moments and acquired by the plurality of second temperature sensors in the refrigeration transportation link, and transmitting the temperature data to the shelf life calculating module;
the shelf life calculation module is used for obtaining the internal temperature data of the fruits at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links according to the received internal temperature data of the fruits at the positions at different moments, obtaining the external environmental temperature data of the fruits at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links according to the received external environmental temperature data of the fruits at different moments, calculating the shelf life of the fruits according to a preset fruit shelf life prediction model, and outputting the shelf life of the fruits by inputting the fruit shelf life prediction model into the internal temperature data of the fruits at the positions at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links and the corresponding external environmental temperature data of the fruits.
2. The system for calculating the shelf life of the fruits based on the synchronous monitoring of the internal temperature and the external temperature of the cold chain link according to claim 1, wherein the shelf life calculation module is further configured to monitor whether the refrigeration equipment of the pre-cooling link works normally and whether the pre-cooling is completed according to the received temperature data inside the fruits and the ambient temperature data outside the fruits, wherein the temperature data is to be subjected to shelf life calculation at a plurality of positions at different times in the pre-cooling link.
3. The system for calculating fruit shelf life based on synchronous monitoring of internal and external temperatures of a cold chain link according to claim 1, wherein the shelf life calculation module is further configured to calculate an internal and external temperature difference of the same fruit at the same time in the cold storage link according to the received internal temperature data of the fruit at a plurality of positions at different times in the cold storage link and the received external environmental temperature data of the fruit, and monitor whether refrigeration equipment in the cold storage link is working normally according to the internal temperature data of the fruit at a plurality of positions at different times in the cold storage link, the external environmental temperature data of the fruit and the internal and external temperature difference of the same fruit at the same time in the cold storage link.
4. The fruit shelf life calculation system based on synchronous monitoring of the internal temperature and the external temperature of the cold chain link according to claim 3, wherein the shelf life calculation module is further configured to perform three-dimensional modeling on the plurality of first temperature sensors and the plurality of second temperature sensors in the refrigerator in the refrigeration link to obtain a three-dimensional model, and display real-time temperature data acquired by the plurality of first temperature sensors and the plurality of second temperature sensors.
5. The system for calculating fruit shelf life based on synchronous monitoring of internal and external temperatures of a cold chain link according to claim 1, wherein the shelf life calculation module is further configured to calculate an internal and external temperature difference of the same fruit at the same time in the cold transportation link according to the received internal temperature data of the fruit at a plurality of positions at different times in the cold transportation link and the received external environmental temperature data of the fruit, and monitor whether refrigeration equipment in the cold transportation link is working normally according to the internal temperature data of the fruit at a plurality of positions at different times in the cold transportation link, the external environmental temperature data of the fruit and the internal and external temperature difference of the same fruit at the same time in the cold transportation link.
6. A fruit shelf life calculation method based on synchronous monitoring of internal and external temperatures in a cold chain link is characterized by comprising the following steps:
acquiring temperature data of the interior of the fruit to be subjected to shelf life calculation at a plurality of positions at different moments in the processes of precooling, refrigerating and refrigerated transportation in real time by using a probe type temperature sensor;
acquiring environmental temperature data outside the fruits at different moments in precooling, refrigerating and refrigerating transportation links in real time by using a temperature sensor;
obtaining the internal temperature data of the fruit at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links according to the internal temperature data of the fruit at the positions at different moments, obtaining the external environmental temperature data of the fruit at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links according to the external environmental temperature data of the fruit at different moments, calculating the shelf life of the fruit according to a preset fruit shelf life prediction model, and outputting the shelf life of the fruit by inputting the internal temperature data of the fruit at the positions at different moments in the whole process of the precooling, refrigerating and refrigerating transportation links and the corresponding external environmental temperature data of the fruit into the fruit shelf life prediction model.
7. The method for calculating the shelf life of fruits based on the synchronous monitoring of the internal temperature and the external temperature of the cold chain link according to claim 6, further comprising the following steps:
and monitoring whether the refrigeration equipment in the precooling link works normally and whether precooling is finished or not according to the temperature data inside the fruit and the environmental temperature data outside the fruit at a plurality of positions to be subjected to shelf life calculation at different moments in the precooling link.
8. The method for calculating the fruit shelf life based on the synchronous monitoring of the internal temperature and the external temperature of the cold chain link according to claim 7, wherein the monitoring of whether the precooling refrigeration equipment works normally and whether precooling is completed according to the internal temperature data of the fruit and the external environmental temperature data of the fruit at a plurality of positions at different moments of the precooling link, comprises:
for temperature data in the fruit to be subjected to shelf life calculation at any position of the precooling link at any moment, judging whether the temperature data in the fruit to be subjected to shelf life calculation at the position at the moment is equal to corresponding environment temperature data outside the fruit or not, if so, judging whether the temperature data in the fruit is equal to a preset temperature or not, if not, judging whether the time length for the temperature data in the fruit to reach the temperature data in the fruit is greater than the preset time length or not, if not, completing precooling, otherwise, alarming; and/or
The method comprises the steps of judging whether temperature data inside fruits to be subjected to shelf life calculation at any position of a precooling link are equal to corresponding ambient temperature data outside the fruits at the position at the moment or not and whether the temperature data are greater than the preset temperature or not at the moment corresponding to preset duration, if so, alarming, otherwise, completing precooling.
9. The method for calculating the shelf life of fruits based on the synchronous monitoring of the internal temperature and the external temperature of the cold chain link according to claim 6, further comprising the following steps:
calculating the internal and external temperature difference of the same fruit at the same time in the refrigeration link according to the temperature data inside the fruit at a plurality of positions at different times in the refrigeration link and the environmental temperature data outside the fruit;
and monitoring whether refrigeration equipment in the refrigeration link works normally or not according to the temperature data inside the fruits at a plurality of positions at different moments in the refrigeration link, the ambient temperature data outside the fruits and the internal and external temperature difference of the same fruit at the same moment in the refrigeration link.
10. The method for calculating the shelf life of fruits based on the synchronous monitoring of the internal temperature and the external temperature of the cold chain link according to claim 6, further comprising the following steps:
calculating the internal and external temperature difference of the same fruit at the same time in the refrigeration transportation link according to the temperature data inside the fruit and the environmental temperature data outside the fruit at a plurality of positions at different times in the refrigeration transportation link;
and monitoring whether refrigeration equipment in the refrigeration transportation link works normally or not according to the temperature data inside the fruits at a plurality of positions at different moments in the refrigeration transportation link, the ambient temperature data outside the fruits and the internal and external temperature difference of the same fruit at the same moment in the refrigeration transportation link.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320117A (en) * | 2018-01-18 | 2018-07-24 | 中国农业大学 | A kind of fruits and vegetables application dynamic decision method and system based on environmental monitoring |
| CN108885736A (en) * | 2016-03-28 | 2018-11-23 | 开利公司 | Last one kilometer Product Management System |
| EP3414722A1 (en) * | 2016-02-12 | 2018-12-19 | Carrier Corporation | Dynamic pricing system |
| CN114965560A (en) * | 2022-04-14 | 2022-08-30 | 北京市农林科学院信息技术研究中心 | Meat water loss sensing method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104268416A (en) * | 2014-09-30 | 2015-01-07 | 北京农业信息技术研究中心 | Temperature monitoring method and temperature monitoring system for cold-chain logistics car |
| CN104298868A (en) * | 2014-09-30 | 2015-01-21 | 北京农业信息技术研究中心 | Chilled meat shelf life forecasting method and system for cold-chain logistics |
| CN204155296U (en) * | 2014-09-30 | 2015-02-11 | 山东国家农产品现代物流工程技术研究中心 | Shelf life of meat indicating device |
| CN104483458A (en) * | 2014-09-30 | 2015-04-01 | 山东国家农产品现代物流工程技术研究中心 | Method for predicting shelf life of cold chain pork and system thereof |
| CN104655810A (en) * | 2015-02-25 | 2015-05-27 | 山东商业职业技术学院 | Method for predicting quality change of cold storage winter jujubes |
-
2015
- 2015-08-11 CN CN201510490574.6A patent/CN105095664B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104268416A (en) * | 2014-09-30 | 2015-01-07 | 北京农业信息技术研究中心 | Temperature monitoring method and temperature monitoring system for cold-chain logistics car |
| CN104298868A (en) * | 2014-09-30 | 2015-01-21 | 北京农业信息技术研究中心 | Chilled meat shelf life forecasting method and system for cold-chain logistics |
| CN204155296U (en) * | 2014-09-30 | 2015-02-11 | 山东国家农产品现代物流工程技术研究中心 | Shelf life of meat indicating device |
| CN104483458A (en) * | 2014-09-30 | 2015-04-01 | 山东国家农产品现代物流工程技术研究中心 | Method for predicting shelf life of cold chain pork and system thereof |
| CN104655810A (en) * | 2015-02-25 | 2015-05-27 | 山东商业职业技术学院 | Method for predicting quality change of cold storage winter jujubes |
Non-Patent Citations (4)
| Title |
|---|
| 刘静等: "基于时空数据融合理论的冷链温度监控系统", 《农机化研究》 * |
| 张小栓等: "水产品冷链物流技术现状 、发展趋势及对策研究", 《渔业现代化》 * |
| 李晓鹏等: "冷链物流实时监控系统设计", 《传感器与微系统》 * |
| 王明等: "基于嵌入式Web服务的水产品货架期监测系统设计", 《传感器与微系统》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3414722A1 (en) * | 2016-02-12 | 2018-12-19 | Carrier Corporation | Dynamic pricing system |
| CN108885736A (en) * | 2016-03-28 | 2018-11-23 | 开利公司 | Last one kilometer Product Management System |
| CN108320117A (en) * | 2018-01-18 | 2018-07-24 | 中国农业大学 | A kind of fruits and vegetables application dynamic decision method and system based on environmental monitoring |
| CN114965560A (en) * | 2022-04-14 | 2022-08-30 | 北京市农林科学院信息技术研究中心 | Meat water loss sensing method and device |
| CN114965560B (en) * | 2022-04-14 | 2023-10-20 | 北京市农林科学院信息技术研究中心 | Meat water loss sensing method and device |
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