CN111579734A - Food safety detection system based on Internet of things - Google Patents
Food safety detection system based on Internet of things Download PDFInfo
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- CN111579734A CN111579734A CN202010455061.2A CN202010455061A CN111579734A CN 111579734 A CN111579734 A CN 111579734A CN 202010455061 A CN202010455061 A CN 202010455061A CN 111579734 A CN111579734 A CN 111579734A
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Abstract
The invention discloses a food safety detection system based on the Internet of things, which comprises an environment detection module, a pressure detection module, an information input module, a food storage database, an analysis server and a display terminal, wherein the environment detection module is used for detecting the pressure of food; the analysis server is respectively connected with the environment detection module, the pressure detection module, the food storage database and the display terminal. According to the invention, the temperature and the humidity of the stored food are detected, the pressure information of the food packaging bag is detected by combining the pressure detection module, the difference between the actual storage temperature and the actual storage humidity of the food and the preset food storage temperature and humidity threshold values and the pressure difference of the commodity packaging bag are analyzed, and whether the food is deteriorated or not is judged according to the counted time when the actual storage temperature or the actual humidity is greater than the preset food storage temperature or humidity threshold value and whether the pressure difference is greater than the pressure difference threshold value or not is judged, so that the food deterioration detection efficiency is improved, the problems of poor accuracy and low screening efficiency in manual detection are solved, and the manpower and material resources are reduced.
Description
Technical Field
The invention belongs to the technical field of food detection, and relates to a food safety detection system based on the Internet of things.
Background
With the continuous improvement of economic level, the requirements of people on living standard are higher and higher, the food safety problem becomes the social problem in China, and the food quality needs to be detected in order to ensure the food safety.
In the existing large supermarket or commodity storage room, whether the quality of commodities is problematic in the storage process is judged, the quality guarantee date is usually observed, if the current date exceeds the quality guarantee date, the commodities are judged to be deteriorated, but the quality guarantee period is usually checked manually, the quality guarantee period of the commodities needs to be checked regularly, the workload of workers is increased, and the problem of detection errors exists, so that the detection efficiency is low.
Disclosure of Invention
The invention aims to provide a food safety detection system based on the Internet of things, which solves the problems of poor accuracy, low efficiency and low safety of the existing commodity detection.
The purpose of the invention can be realized by the following technical scheme:
a food safety detection system based on the Internet of things comprises an environment detection module, a pressure detection module, an information input module, a food storage database, an analysis server and a display terminal;
the analysis server is respectively connected with the environment detection module, the pressure detection module, the food storage database and the display terminal;
the environment detection module is used for detecting the temperature and the humidity of the environment in which the food is stored in real time and sending the detected temperature and humidity to the analysis server;
the pressure detection module adopts a pressure sensor and is used for detecting the pressure corresponding to the food packaging bag at fixed time intervals and sending the detected pressure information of the food packaging bag to the analysis server;
the food storage database is used for storing storage environment parameters, food production dates and storage quality guarantee dates corresponding to various food types, storing set food storage temperature and humidity thresholds and storing the temperature and humidity sent by the environment detection module in real time, and in addition, setting different actual storage time ranges corresponding to the set food storage temperature or humidity thresholds and storing preset storage time thresholds corresponding to the actual storage time ranges, wherein the storage temperature or humidity is greater than the set food storage temperature or humidity thresholds;
the analysis server is used for receiving the temperature and the humidity that the environment detection module sent, and deposit temperature and humidity threshold with the food that sets for respectively in the food storage database with the temperature and the humidity threshold contrast, judge whether the temperature that food was actually deposited is greater than the food of setting for and deposit the temperature threshold, and whether the humidity that food was actually deposited is greater than the food of setting for and deposit humidity, if the temperature is greater than the food of setting for and deposit temperature threshold or the actual humidity of depositing and be greater than the food of setting for and deposit the humidity threshold, the temperature is deposited greater than the food of setting for to statistics food and deposit the temperature threshold or the actual humidity of depositing is greater than the time that the humidity threshold corresponds of depositing of setting for, and receive the pressure information of the food package bag that detects in the fixed time interval that pressure detection module sent, the pressure information of the food package bag that detects at fixed time interval compares with the pressure information of the food package bag that last fixed Obtaining the pressure difference;
the analysis server compares the counted food storage temperature with a set food storage temperature threshold or the actual storage humidity with a time corresponding to a set food storage humidity threshold, compares the counted time with different actual storage time ranges in a food storage database, screens out a preset storage time threshold corresponding to the actual storage time range in which the counted time is located, compares the counted time with the preset storage time threshold, if the counted time is greater than the preset storage time threshold, indicates that the commodity is degenerated or is about to deteriorate, if the counted time is less than the preset storage time threshold, indicates that the commodity is not degenerated, compares the obtained pressure difference with the set pressure difference threshold, if the pressure difference is greater than the set pressure difference threshold, indicates that the commodity is degenerated or about to deteriorate, if the pressure difference is less than the set pressure difference threshold, indicates that the commodity is not degenerated, the analysis server sends the time corresponding to the fact that whether the commodity is deteriorated, the storage temperature and the storage humidity of the commodity, the counted food storage temperature is larger than the set food storage temperature threshold or the actual storage humidity is larger than the set food storage humidity threshold and the pressure difference between the last fixed time interval and the next fixed time interval of the food packaging bag to the display terminal;
the display terminal is used for receiving and displaying whether the commodities are deteriorated, the storage temperature and the humidity of the commodities, the counted storage temperature of the foods is larger than a set food storage temperature threshold or the actual storage humidity is larger than the time corresponding to the set food storage humidity threshold and the pressure difference between the last fixed time interval and the next fixed time interval of the food packaging bag, wherein the commodity is sent by the analysis server.
Further, the environment detection module includes temperature detecting element, humidity detecting element, temperature detecting element is temperature sensor for the temperature in the environment is deposited to real-time detection food, and send the temperature that detects to analysis server, and humidity detecting element is humidity sensor for the humidity in the environment is deposited to real-time detection food, and send the humidity information that detects to analysis server.
The food storage system further comprises an information input module, wherein the information input module is used for inputting storage environment parameters, food production dates and storage quality guarantee periods corresponding to the types of stored foods and sending the input storage environment parameters, food production dates and storage quality guarantee periods corresponding to the types of stored foods to the food storage database.
The invention has the beneficial effects that:
the food safety detection system based on the Internet of things detects the temperature and the humidity of stored food, detects the pressure information of a food packaging bag by combining a pressure detection module, analyzes the difference between the actual storage temperature and the humidity of the food and the preset food storage temperature and humidity threshold values and the pressure difference between the packaging bag pressure in the next fixed time period and the packaging bag pressure in the previous fixed time period, counts the time when the actual storage temperature is greater than the preset food storage temperature threshold value or the actual humidity is greater than the preset humidity threshold value, counts whether the pressure difference is greater than the set pressure difference threshold value, can intuitively judge whether the food is deteriorated according to the counted time and the pressure difference, improves the food deterioration detection efficiency, reduces the problems of poor accuracy and low screening efficiency of manual detection, and avoids the failure in ensuring the quality qualification of sold goods, reduce manpower and material resources.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a food safety detection system based on the internet of things.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, a food safety detection system based on the internet of things includes an environment detection module, a pressure detection module, an information input module, a food storage database, an analysis server, and a display terminal;
the analysis server is respectively connected with the environment detection module, the pressure detection module, the food storage database and the display terminal, and the information input module is connected with the food storage database.
The environment detection module is used for detecting the temperature and the humidity of the environment in which the food is stored in real time and sending the detected temperature and the detected humidity to the analysis server;
the environment detection module comprises a temperature detection unit and a humidity detection unit, wherein the temperature detection unit is a temperature sensor and is used for detecting the temperature of the food in the storage environment in real time and sending the detected temperature to the analysis server, and the humidity detection unit is a humidity sensor and is used for detecting the humidity of the food in the storage environment in real time and sending the detected humidity information to the analysis server.
The pressure detection module adopts a pressure sensor and is used for detecting the pressure corresponding to the food packaging bag at fixed time intervals and sending the detected pressure information of the food packaging bag to the analysis server;
the information input module is used for inputting storage environment parameters, food production dates and storage quality guarantee periods corresponding to the types of the stored foods and sending the input storage environment parameters, the food production dates and the storage quality guarantee periods corresponding to the types of the foods to the food storage database;
the food storage database is used for storing storage environment parameters, food production dates and storage quality guarantee dates corresponding to various food types, storing set food storage temperature and humidity thresholds and storing the temperature and humidity sent by the environment detection module in real time, and in addition, setting different actual storage time ranges corresponding to the set food storage temperature or humidity thresholds and storing preset storage time thresholds corresponding to the actual storage time ranges, wherein the storage temperature or humidity is greater than the set food storage temperature or humidity thresholds;
the analysis server is used for receiving the temperature and the humidity sent by the environment detection module, comparing the detected temperature and the detected humidity with a food storage temperature threshold value and a food storage humidity threshold value set in a food storage database respectively, judging whether the actual storage temperature of the food is greater than the set food storage temperature threshold value or not and whether the actual storage humidity of the food is greater than the set food storage humidity threshold value or not, counting the time corresponding to the fact that the storage temperature of the food is greater than the set food storage temperature threshold value or the actual storage humidity is greater than the set food storage humidity threshold value if the actual storage temperature is greater than the set food storage temperature threshold value or the actual storage humidity is greater than the set food storage humidity threshold value, receiving the pressure information of the food packaging bag detected in a fixed time interval sent by the pressure detection module, and comparing the pressure information of the food packaging bag detected in the fixed time interval with the pressure information of the food packaging bag detected in the last fixed time interval, obtaining a pressure difference;
the analysis server compares the counted food storage temperature with a set food storage temperature threshold or the actual storage humidity with a time corresponding to a set food storage humidity threshold, compares the counted time with different actual storage time ranges in a food storage database, screens out a preset storage time threshold corresponding to the actual storage time range in which the counted time is located, compares the counted time with the preset storage time threshold, if the counted time is greater than the preset storage time threshold, indicates that the commodity is degenerated or is about to deteriorate, if the counted time is less than the preset storage time threshold, indicates that the commodity is not degenerated, compares the obtained pressure difference with the set pressure difference threshold, if the pressure difference is greater than the set pressure difference threshold, indicates that the commodity is degenerated or about to deteriorate, if the pressure difference is less than the set pressure difference threshold, indicates that the commodity is not degenerated, and the analysis server sends the time corresponding to the fact that whether the commodity is deteriorated, the storage temperature and the storage humidity of the commodity, the counted food storage temperature is larger than the set food storage temperature threshold or the actual storage humidity is larger than the set food storage humidity threshold and the pressure difference between the last fixed time interval and the next fixed time interval of the food packaging bag to the display terminal.
The display terminal is used for receiving and analyzing whether the commodities go bad, the storage temperature and humidity of the commodities and the counted food storage temperature which is sent by the server are larger than the set food storage temperature threshold or the actual storage humidity which is larger than the set food storage humidity threshold, and the pressure difference between the last fixed time interval and the next fixed time interval of the food packaging bag, displaying the time difference, and facilitating food management personnel to visually know whether the commodities go bad and improving the efficiency of food safety screening.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (3)
1. The utility model provides a food safety inspection system based on thing networking which characterized in that: the system comprises an environment detection module, a pressure detection module, an information input module, a food storage database, an analysis server and a display terminal;
the analysis server is respectively connected with the environment detection module, the pressure detection module, the food storage database and the display terminal;
the environment detection module is used for detecting the temperature and the humidity of the environment in which the food is stored in real time and sending the detected temperature and humidity to the analysis server;
the pressure detection module adopts a pressure sensor and is used for detecting the pressure corresponding to the food packaging bag at fixed time intervals and sending the detected pressure information of the food packaging bag to the analysis server;
the food storage database is used for storing storage environment parameters, food production dates and storage quality guarantee dates corresponding to various food types, storing set food storage temperature and humidity thresholds and storing the temperature and humidity sent by the environment detection module in real time, and in addition, setting different actual storage time ranges corresponding to the set food storage temperature or humidity thresholds and storing preset storage time thresholds corresponding to the actual storage time ranges, wherein the storage temperature or humidity is greater than the set food storage temperature or humidity thresholds;
the analysis server is used for receiving the temperature and the humidity that the environment detection module sent, and deposit temperature and humidity threshold with the food that sets for respectively in the food storage database with the temperature and the humidity threshold contrast, judge whether the temperature that food was actually deposited is greater than the food of setting for and deposit the temperature threshold, and whether the humidity that food was actually deposited is greater than the food of setting for and deposit humidity, if the temperature is greater than the food of setting for and deposit temperature threshold or the actual humidity of depositing and be greater than the food of setting for and deposit the humidity threshold, the temperature is deposited greater than the food of setting for to statistics food and deposit the temperature threshold or the actual humidity of depositing is greater than the time that the humidity threshold corresponds of depositing of setting for, and receive the pressure information of the food package bag that detects in the fixed time interval that pressure detection module sent, the pressure information of the food package bag that detects at fixed time interval compares with the pressure information of the food package bag that last fixed Obtaining the pressure difference;
the analysis server compares the counted food storage temperature with a set food storage temperature threshold or the actual storage humidity with a time corresponding to a set food storage humidity threshold, compares the counted time with different actual storage time ranges in a food storage database, screens out a preset storage time threshold corresponding to the actual storage time range in which the counted time is located, compares the counted time with the preset storage time threshold, if the counted time is greater than the preset storage time threshold, indicates that the commodity is degenerated or is about to deteriorate, if the counted time is less than the preset storage time threshold, indicates that the commodity is not degenerated, compares the obtained pressure difference with the set pressure difference threshold, if the pressure difference is greater than the set pressure difference threshold, indicates that the commodity is degenerated or about to deteriorate, if the pressure difference is less than the set pressure difference threshold, indicates that the commodity is not degenerated, the analysis server sends the time corresponding to the fact that whether the commodity is deteriorated, the storage temperature and the storage humidity of the commodity, the counted food storage temperature is larger than the set food storage temperature threshold or the actual storage humidity is larger than the set food storage humidity threshold and the pressure difference between the last fixed time interval and the next fixed time interval of the food packaging bag to the display terminal;
the display terminal is used for receiving and displaying whether the commodities are deteriorated, the storage temperature and the humidity of the commodities, the counted storage temperature of the foods is larger than a set food storage temperature threshold or the actual storage humidity is larger than the time corresponding to the set food storage humidity threshold and the pressure difference between the last fixed time interval and the next fixed time interval of the food packaging bag, wherein the commodity is sent by the analysis server.
2. The Internet of things-based food safety detection system according to claim 1, characterized in that: the environment detection module comprises a temperature detection unit and a humidity detection unit, wherein the temperature detection unit is a temperature sensor and is used for detecting the temperature of the food storage environment in real time and sending the detected temperature to the analysis server, and the humidity detection unit is a humidity sensor and is used for detecting the humidity of the food storage environment in real time and sending the detected humidity information to the analysis server.
3. The internet of things-based food safety detection system according to claim 1 or 2, wherein: the food storage system further comprises an information input module, wherein the information input module is used for inputting storage environment parameters, food production dates and storage quality guarantee periods corresponding to the types of stored foods, and sending the input storage environment parameters, food production dates and storage quality guarantee periods corresponding to the types of stored foods to the food storage database.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010455061.2A CN111579734A (en) | 2020-05-26 | 2020-05-26 | Food safety detection system based on Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010455061.2A CN111579734A (en) | 2020-05-26 | 2020-05-26 | Food safety detection system based on Internet of things |
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| CN111579734A true CN111579734A (en) | 2020-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881621A (en) * | 2021-01-20 | 2021-06-01 | 毕迎斌 | Special detection device and detection method for quick-frozen food |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881621A (en) * | 2021-01-20 | 2021-06-01 | 毕迎斌 | Special detection device and detection method for quick-frozen food |
| CN112881621B (en) * | 2021-01-20 | 2023-10-24 | 毕迎斌 | Special detection device for quick-frozen food and detection method thereof |
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Application publication date: 20200825 |