CN117147363A - Water content analysis system for food detection - Google Patents
Water content analysis system for food detection Download PDFInfo
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- CN117147363A CN117147363A CN202310945869.2A CN202310945869A CN117147363A CN 117147363 A CN117147363 A CN 117147363A CN 202310945869 A CN202310945869 A CN 202310945869A CN 117147363 A CN117147363 A CN 117147363A
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- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 235000013305 food Nutrition 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000004458 analytical method Methods 0.000 title claims abstract description 28
- 238000001035 drying Methods 0.000 claims abstract description 91
- 238000001816 cooling Methods 0.000 claims abstract description 62
- 238000005520 cutting process Methods 0.000 claims abstract description 28
- 238000005303 weighing Methods 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 238000012216 screening Methods 0.000 claims abstract description 7
- 238000007405 data analysis Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 3
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 235000013365 dairy product Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229920002101 Chitin Polymers 0.000 description 1
- 240000002129 Malva sylvestris Species 0.000 description 1
- 235000006770 Malva sylvestris Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 235000011850 desserts Nutrition 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 235000012041 food component Nutrition 0.000 description 1
- 239000005428 food component Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000021059 hard food Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 235000021058 soft food Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005676 thermoelectric effect Effects 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a water content analysis system for food detection, which relates to the field of food water content detection systems, and comprises a device testing module: detecting the temperature and humidity condition inside the drying equipment and testing the running state of the drying equipment; and the equipment weighing module is used for: detecting the constant weight of the sample placing equipment; sample screening module: selecting a plurality of samples with similar size, weight, shape and freshness; sample processing module: including cleaning equipment, cutting equipment for carry out outer wall cleaning and cut into the cubic of fixed size to the sample. According to the invention, the drying box, the cooling box, the detection box and the sample are arranged in the drying box and the cooling box for two times, the weight of the dried sample can be obtained after the sample is weighed by the high-precision electronic scale, and the water content of the sample is obtained after the weight of the dried sample is subtracted, so that the problem of low accuracy of manually guessing the water content of the food is effectively solved.
Description
Technical Field
The invention relates to the field of food water content detection, in particular to a water content analysis system for food detection.
Background
Food refers to various finished products and raw materials for people to eat or drink and articles which are traditional Chinese medicinal materials according to the tradition, and the components of the food can be divided into eight types according to the content of the food components, namely: protein, fat, sugar (also called carbohydrate), inorganic matter (also called mineral), vitamins, water, dietary cellulose (commonly called cellulose), chitin and the like, and the water content of different foods needs to be detected and analyzed due to the fact that the water content of the foods is different.
The analysis of the water content of the existing food is only to estimate the food by the cognition concept of people, the estimated reliability is not high, the true water content of the food cannot be accurately known, the detection of the water content of the food is generally carried out by taking a small part of the food as a sample, and detecting the corresponding water content, so that the water content of the whole food can be known, but the water content of different parts is different due to the difference of the water content distribution in the food, so that the local water content cannot represent the whole water content of the food, and when the food is detected, only one part of the same food is selected as the sample for detection, so that the reliability of the detection result is lower.
Disclosure of Invention
The invention aims at: in order to solve the problem that the accuracy of the artificial guess of the water content of the food is low, the local water content of the food cannot represent the whole water content and the reliability of the detection results of a small number of samples is low, the water content analysis system for food detection is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: a moisture content analysis system for food detection, comprising:
and the equipment testing module is used for: detecting the temperature and humidity condition inside the drying equipment and testing the running state of the drying equipment;
and the equipment weighing module is used for: detecting the constant weight of the sample placing equipment;
sample screening module: selecting a plurality of samples with similar size, weight, shape and freshness;
sample processing module: the device comprises cleaning equipment and cutting equipment, wherein the cleaning equipment and the cutting equipment are used for cleaning the outer wall of a sample and cutting the sample into blocks with fixed sizes;
sample weighing module: the device comprises a high-precision electronic scale, a high-precision measuring device and a high-precision measuring device, wherein the high-precision electronic scale is used for weighing a cut sample and juice produced by cutting and recording data;
and a drying module: the device comprises a drying box, a drying box and a drying box, wherein the drying box is used for drying a plurality of weighed samples and removing moisture;
and (3) a cooling module: the device comprises a cooling box, a drying box and a drying box, wherein the cooling box is used for cooling the dried sample, so that the sample can be dried for the second time after being cooled;
control test module: simultaneously detecting the water content of a plurality of samples with the same weight, size, appearance and similar fresh state;
data analysis system: and analyzing the detection data provided by the drying oven equipment through the operation equipment and an operation formula.
Preferably, the drying apparatus detects the operation state through a voltage detector, and the temperature detector and the humidity detector detect the processing environment inside the drying apparatus.
Preferably, the high-precision electronic scale is used for primarily weighing the sample detection box, drying and cooling the detection box through the drying box and the cooling box, and observing the constant weight of the detection box after thermal expansion and cold contraction.
Preferably, the sample screening module screens a plurality of samples manually, and selects six groups of samples for use.
Preferably, the sample processing module comprises a cleaning machine, a dividing and cutting machine and a receiving device, wherein the cleaning machine is used for cleaning the outer wall of a sample and treating water stains on the outer wall of the sample, the dividing and cutting machine is used for cutting the sample in equal size, and the discharging device is used for placing the sample in the detection box.
Preferably, the temperature of the drying box in the drying module is set to be 100-110 ℃, the sample is heated for 1.5 hours, and weighing is carried out after drying.
Preferably, the cooling box in the cooling module is used for weighing the dried sample after air cooling for 0.5 h.
Preferably, the drying box and the cooling box are used for drying and cooling six groups of similar samples at the same time, and the weight data of the six groups of dried and cooled samples are observed for comparison.
Preferably, the data analysis includes temperature difference analysis before and after heating and cooling the cartridge, temperature analysis after a plurality of times of drying and cooling the sample, and temperature difference analysis after the sample is completely dried and dried.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the drying box, the cooling box, the detection box and the high-precision electronic scale are arranged, the detection box and the sample are placed in the drying box and the cooling box for two times of processing, the weight of the dried sample can be obtained after the sample is weighed by the high-precision electronic scale, and the water content of the sample is obtained after the weight of the sample is subtracted before the drying, so that the problem of low accuracy of manually guessing the water content of the food is effectively solved; through setting up cutting machine and unloading equipment, the cleaning machine is to the washing of outer wall and the drying treatment of outer wall moisture of the sample of choosing, put the sample into cutting machine, make the sample cut into a plurality of equal size blockies, the whole whereabouts of blocky sample falls into the detection box through unloading equipment, be convenient for carry out the complete detection to whole food sample, effectively solved the problem that the local water content of food can't represent whole water content; six very similar foods are selected from a plurality of foods as samples from the aspects of weight, size, appearance and fresh state by manpower, so that the same detection conditions are conveniently manufactured, the control analysis reliability of the detection result is improved, and the problem of low reliability of the detection result of a small number of samples is effectively solved.
Fig. 1 is a schematic structural view 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, a water content analysis system for food detection includes:
and the equipment testing module is used for: detecting the temperature and humidity condition inside the drying equipment and testing the running state of the drying equipment;
and the equipment weighing module is used for: detecting the constant weight of the sample placing equipment;
sample screening module: selecting a plurality of samples with similar size, weight, shape and freshness;
sample processing module: the device comprises cleaning equipment and cutting equipment, wherein the cleaning equipment and the cutting equipment are used for cleaning the outer wall of a sample and cutting the sample into blocks with fixed sizes;
sample weighing module: the device comprises a high-precision electronic scale, a high-precision measuring device and a high-precision measuring device, wherein the high-precision electronic scale is used for weighing a cut sample and juice produced by cutting and recording data;
and a drying module: the device comprises a drying box, a drying box and a drying box, wherein the drying box is used for drying a plurality of weighed samples and removing moisture;
and (3) a cooling module: the device comprises a cooling box, a drying box and a drying box, wherein the cooling box is used for cooling the dried sample, so that the sample can be dried for the second time after being cooled;
control test module: simultaneously detecting the water content of a plurality of samples with the same weight, size, appearance and similar fresh state;
data analysis system: and analyzing the detection data provided by the drying oven equipment through the operation equipment and an operation formula.
Example 1
As a preferred embodiment of the present invention: the drying equipment detects the running state through a voltage detector, and the temperature detector and the humidity detector detect the processing environment inside the drying equipment;
the voltage monitor is a statistical voltage monitor for continuously monitoring and counting voltage deviation caused by slow change of the normal running state of the power system, has the functions of monitoring, analyzing, memorizing, inquiring, setting parameters and the like, can detect a drying box, a cooling box cleaning machine and the like, and the humidity measuring instrument is a measuring instrument which is specially used for detecting and measuring the humidity of air and various gases and is used for detecting the humidity in the drying box and the cooling box, the temperature measuring instrument is a high-precision instrument for measuring the temperature, and the phenomena of thermal expansion and cold contraction caused by the influence of the temperature on solid, liquid and gas are utilized; under the constant volume condition, the pressure of the gas (or vapor) changes due to different temperatures; action of thermoelectric effect; the resistance varies with temperature; the temperature of the interior of the drying box and the cooling box is detected, so that the rated temperature and humidity of the interior of the drying box and the cooling box are maintained.
Example 2
As a preferred embodiment of the present invention: the high-precision electronic scale is used for carrying out preliminary weighing on the sample detection box, drying and cooling the detection box through a drying box and a cooling box, and observing the constant weight of the detection box after thermal expansion and cold contraction;
the high-precision electronic scale utilizes the stress deformation principle of an electronic strain element to output a tiny analog electric signal, the tiny analog electric signal is transmitted to a weighing display instrument through a signal cable, a weighing device for carrying out weighing operation and displaying weighing results is arranged on the high-precision electronic scale, an original weight is weighed by a detection box, the detection box is arranged in a drying oven for heating at 90 ℃ after weighing, the detection box is arranged on the high-precision electronic scale for measuring weight after heating, data are recorded, the detection box is then arranged in a cooling oven for low-temperature cooling, the detection box is weighed again after cooling, and the constant weight of the detection box is measured by sequentially repeating two sides.
Example 3
As a preferred embodiment of the present invention: the sample screening module screens a plurality of samples manually, and six groups of samples are selected for use;
the worker selects six very similar foods from a plurality of foods as samples according to the aspects of weight, size, appearance and freshness, so as to manufacture the same detection conditions and improve the control analysis reliability of the detection result.
Example 4
As a preferred embodiment of the present invention: the sample processing module comprises a cleaning machine, a dividing and cutting machine and a receiving device, wherein the cleaning machine is used for cleaning the outer wall of a sample and treating water stains on the outer wall of the sample, the dividing and cutting machine is used for cutting the sample in equal size, and the discharging device is used for placing the sample in the detection box;
the washing machine cleans the outer wall of the selected sample and dries the outer wall moisture, the cutting machine can cover soft, hard, warm, frozen, multi-layer foods and the like, the cutting machine is commonly used for cutting more common foods such as desserts, dairy products, cheeses, meats and the like, whether soft or hard foods or foods containing fat, carbohydrate, dairy products, chocolate and other components can be cut uniformly, the sample is placed into the cutting machine, the sample is cut into a plurality of blocks with equal size, and all the blocks of the sample fall into the detection box through the blanking equipment.
Example 5
As a preferred embodiment of the present invention: the temperature of a drying box in the drying module is set to be 100-110 ℃, the sample is heated for 1.5 hours, and weighing is carried out after drying;
the drying box is divided into an electrothermal blowing drying box and a vacuum drying box according to different drying materials, the LED vacuum drying box adopts a flexible and adjustable shelf, the layering height is adjustable, a strip-shaped shelf is convenient to take and put products, a large glass observation window is adopted for convenient observation, the sealing is made of silicon rubber, the temperature resistance is durable, the vacuum degree is high, the drying treatment of samples is convenient, six groups of samples are placed on the shelf of the drying box, the drying box is controlled to be 100-110 ℃, and the drying time is 1.5h.
Example 6
As a preferred embodiment of the present invention: the dried sample is subjected to air cooling for 0.5h by a cooling box in the cooling module, and is weighed after being subjected to air cooling;
the cooling box is a type of heat exchange equipment and is used for cooling objects, water or air is usually used as a coolant to remove heat, and the cooling box can be mainly divided into a tube type cooler, a plate type cooler and an air-cooled cooler, wherein the cooler is a heat exchange device commonly adopted by industrial departments such as metallurgy, chemical industry, energy sources, food and the like, six groups of dried samples and detection boxes are placed on a shelf in the cooling box, and the cooling box is controlled to operate, so that the samples are cooled.
Example 7
As a preferred embodiment of the present invention: drying and cooling six groups of similar samples in the drying box and the cooling box simultaneously, observing weight data of the six groups of dried and cooled samples, and comparing;
the method comprises the steps of weighing six groups of samples, placing the samples on a shelf of a drying box, controlling the drying box to be at 100-110 ℃ for 1.5h, weighing the samples through a high-precision electronic scale after drying, placing the six groups of dried samples and a detection box on the shelf in the cooling box, controlling the cooling box to operate, cooling the samples, weighing the cooled samples again, repeatedly drying and cooling the samples after weighing, recording data, analyzing the weight difference of the two groups of data, and subtracting the thoroughly dried weight from the weight before drying to obtain the water content of the samples.
Example 8
As a preferred embodiment of the present invention: the data analysis comprises temperature difference analysis before and after heating and cooling the detection box, temperature analysis after multiple times of drying and cooling of the sample, and temperature difference analysis after complete drying and drying of the sample;
and drying and cooling the two sides of the sample, processing and weighing to obtain the final dried weight, and subtracting the thoroughly dried weight from the pre-drying weight to obtain the water content of the sample.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A moisture content analysis system for food detection, characterized in that: comprising the following steps:
and the equipment testing module is used for: detecting the temperature and humidity condition inside the drying equipment and testing the running state of the drying equipment;
and the equipment weighing module is used for: detecting the constant weight of the sample placing equipment;
sample screening module: selecting a plurality of samples with similar size, weight, shape and freshness;
sample processing module: the device comprises cleaning equipment and cutting equipment, wherein the cleaning equipment and the cutting equipment are used for cleaning the outer wall of a sample and cutting the sample into blocks with fixed sizes;
sample weighing module: the device comprises a high-precision electronic scale, a high-precision measuring device and a high-precision measuring device, wherein the high-precision electronic scale is used for weighing a cut sample and juice produced by cutting and recording data;
and a drying module: the device comprises a drying box, a drying box and a drying box, wherein the drying box is used for drying a plurality of weighed samples and removing moisture;
and (3) a cooling module: the device comprises a cooling box, a drying box and a drying box, wherein the cooling box is used for cooling the dried sample, so that the sample can be dried for the second time after being cooled;
control test module: simultaneously detecting the water content of a plurality of samples with the same weight, size, appearance and similar fresh state;
data analysis system: and analyzing the detection data provided by the drying oven equipment through the operation equipment and an operation formula.
2. A moisture content analysis system for food detection as in claim 1 wherein: the drying equipment detects running state through the voltage detector, and the temperature detector and the humidity detector detect the processing environment inside the drying equipment.
3. A moisture content analysis system for food detection as in claim 1 wherein: the high-precision electronic scale is used for primarily weighing the sample detection box, drying and cooling the detection box through the drying box and the cooling box, and observing the constant weight of the detection box after thermal expansion and cold contraction.
4. A moisture content analysis system for food detection as in claim 1 wherein: the sample screening module screens a plurality of samples manually, and six groups of samples are selected for use.
5. A moisture content analysis system for food detection as in claim 1 wherein: the sample processing module comprises a cleaning machine, a dividing and cutting machine and a receiving device, wherein the cleaning machine is used for cleaning the outer wall of a sample and treating water stains on the outer wall of the sample, the dividing and cutting machine is used for cutting the sample in equal size, and the discharging device is used for placing the sample in the detection box.
6. A moisture content analysis system for food detection as in claim 1 wherein: and the temperature of a drying box in the drying module is set to be 100-110 ℃, the sample is heated for 1.5 hours, and the sample is weighed after being dried.
7. A moisture content analysis system for food detection as in claim 1 wherein: and the cooling box in the cooling module is used for carrying out air cooling on the dried sample for 0.5h and weighing after air cooling.
8. A moisture content analysis system for food detection as in claim 1 wherein: and drying and cooling six groups of similar samples in the drying box and the cooling box simultaneously, observing weight data of the six groups of dried and cooled samples, and comparing.
9. A moisture content analysis system for food detection as in claim 1 wherein: the data analysis comprises temperature difference analysis before and after heating and cooling the detection box, temperature analysis after multiple times of drying and cooling of the sample, and temperature difference analysis after the sample is completely dried and dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310945869.2A CN117147363A (en) | 2023-07-31 | 2023-07-31 | Water content analysis system for food detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310945869.2A CN117147363A (en) | 2023-07-31 | 2023-07-31 | Water content analysis system for food detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117147363A true CN117147363A (en) | 2023-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310945869.2A Pending CN117147363A (en) | 2023-07-31 | 2023-07-31 | Water content analysis system for food detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117147363A (en) |
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2023
- 2023-07-31 CN CN202310945869.2A patent/CN117147363A/en active Pending
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