CN112051366A - Food safety detection system - Google Patents
Food safety detection system Download PDFInfo
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- CN112051366A CN112051366A CN202010880706.7A CN202010880706A CN112051366A CN 112051366 A CN112051366 A CN 112051366A CN 202010880706 A CN202010880706 A CN 202010880706A CN 112051366 A CN112051366 A CN 112051366A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- 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
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Abstract
The invention discloses a food safety detection system, comprising: the material supporting assembly is arranged on the first sampling belt and the second sampling belt on two sides of the material supporting assembly; the material supporting component comprises a base, a rotating shaft arranged at the top of the base and a material supporting disc matched and connected with the rotating shaft, food is placed on the material supporting disc, and the material supporting disc can rotate; a first sampling surface and a second sampling surface are respectively arranged on one sides of the first sampling belt and the second sampling belt close to the material supporting assembly, a plurality of hook thorns are respectively arranged on the first sampling surface and the second sampling surface, and the direction of the hook thorns is the same as the moving direction of the sampling belt; the first sampling surface and the second sampling surface are symmetrically distributed, the first sampling surface and the second sampling surface are respectively attached to the surfaces of two sides of the food to move, and the surface sample of the food can be sampled through the barbs in the moving process of the first sampling surface and the second sampling surface; the advancing ends of the first sampling belt and the second sampling belt are provided with a first winding roller and a second winding roller.
Description
Technical Field
The invention relates to the field of food safety or detection, in particular to a food safety detection system.
Background
The food safety problem is a global topic, and the malignant food safety event continuously happens internationally, which causes huge economic loss. The food safety problems mainly comprise chemical hazards, biotoxin, microbial hazards, food adulteration and safety problems of genetically engineered foods. According to reports from the world health organization and the centers for disease control, 40% of food contamination events in europe occur in individual households. Whereas 7600 million people suffer from food-borne diseases and 5000 deaths annually in the united states alone. In China, microbial contamination and pesticide residues. Pollution of water sources such as rivers, lakes, offshore places and the like and illegal addition of hormones, medicines and the like are important factors which are unsafe for food. The chemical safety problem of the vegetable basket is that the pollution of pesticide and veterinary drug residues, environmental pollutants, mycotoxin and the like is prominent, the development of food industry in China is seriously influenced by the events of over-standard pesticide residues of vegetables and fruits (such as cypermethrin), acute poisoning caused by illegal use of veterinary drugs (such as clenbuterol) and the like, the food safety detection is to detect harmful substances in food according to national indexes, and is mainly used for detecting harmful and toxic indexes, such as heavy metal, aflatoxin and the like. An important aspect of food science and engineering is the introduction and use of chemical unit operations and the development of food engineering unit operations, thereby promoting the development of the food industry towards large-scale, continuous and automated.
In the prior art, the food bag is mainly opened manually, food is taken out for detection, the detection efficiency is low, a sample needs to be brought back to a detection chamber for detection, the field detection is easily influenced by environmental factors, the detection accuracy is influenced, in addition, sampling is realized in the mode, independent sampling analysis can not be carried out on a food surface layer sample, the traditional food safety detection is a method established by utilizing the interaction of emission and absorption of electromagnetic radiation and the material and the electromagnetic radiation through a spectrum technology, the method is formed on the basis of spectral measurement through the internal relation and expression form between radiation energy and material composition and structure, and the detection process is complex.
Disclosure of Invention
The food safety detection system overcomes the defects of the prior art.
The food in the invention is solid food, including bread, moon cake and other food with round section, but not limited to the two.
In order to achieve the purpose, the invention adopts the technical scheme that: a food safety detection system, comprising: the material supporting assembly is arranged on the first sampling belt and the second sampling belt on two sides of the material supporting assembly;
the material supporting assembly comprises a base, a rotating shaft and a material supporting disc, wherein the rotating shaft is arranged at the top of the base, the material supporting disc is connected with the rotating shaft in a matched mode, food is placed on the material supporting disc, and the material supporting disc can rotate;
a plurality of guide rollers are arranged on one sides of the first sampling belt and the second sampling belt, the guide rollers can drive the first sampling belt and the second sampling belt, a first sampling surface and a second sampling surface are respectively arranged on one sides, close to the material supporting assembly, of the first sampling belt and the second sampling belt, a plurality of hook thorns are respectively arranged on the first sampling surface and the second sampling surface, and the direction of the hook thorns is the same as the moving direction of the sampling belts;
the first sampling surface and the second sampling surface are symmetrically distributed, the first sampling surface and the second sampling surface respectively move along the surfaces of two sides of the food, and the food surface sample can be sampled through the barbs in the moving process of the first sampling surface and the second sampling surface;
the advancing ends of the first sampling belt and the second sampling belt are provided with a first winding roller and a second winding roller, the first winding roller is used for winding the first sampling belt, and the second winding roller is used for winding the second sampling belt.
In a preferred embodiment of the present invention, the first sampling zone and the second sampling zone move in opposite directions.
In a preferred embodiment of the present invention, two side edges of the first sampling belt are provided with flanges, and the flanges are bent towards one side of the first sampling surface.
In a preferred embodiment of the present invention, two side edges of the second sampling surface are provided with flanges, and at least one notch is arranged along the length direction of the flanges.
In a preferred embodiment of the invention, the size of the tray is smaller than that of the end face of the bottom of the food.
In a preferred embodiment of the invention, a fixing member is arranged at the central position of the tray, and the fixing member penetrates through the food.
In a preferred embodiment of the invention, the spraying device further comprises a spraying assembly, wherein the spraying assembly is provided with a storage bin and a spraying head, the storage bin is communicated with the spraying head, agar is arranged in the storage bin, and the first sampling surface and the second sampling surface after sampling are sprayed with the agar through the spraying head to form an agar layer.
In a preferred embodiment of the present invention, the air outlet pipe and the heating element are further included, the heating element is of a spiral structure, the heating element is wound on the outer wall of the air outlet pipe, and one end of the air outlet pipe is connected with a fan.
In a preferred embodiment of the present invention, the heating member can adjust the air temperature in the air outlet pipe.
In a preferred embodiment of the invention, the air outlet pipe sprays air to the agar layer at intervals, and the air spraying interval of the air outlet pipe is 1-5 seconds.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) through setting up the tray that can rotate, put food on the tray, the in-process that first sample face and second sample face laminating food surface took a sample, and the tray drives food synchronous revolution, makes first sample face and second sample face all take a sample to the sample on food surface, forms the contrast sample between two sample faces.
(2) Have on the sample face to collude the thorn, be similar to feline's tongue, the sample face removes the in-process, can not only take off the food sample through colluding the thorn, can also make the food sample keep somewhere colluding on the thorn or collude the thorn inboard, spout through the shower nozzle to the sample face after the sample and cover agar-agar, form agar-agar layer, agar-agar layer not only can provide growing environment to the microorganism in the food, can also be with the sample bonding on the sample face, can not cause the loss of sample.
(3) Blow off hot-blastly through the drying assembly interval, hot-blastly the temperature is adjusted according to the difference of sample, can provide the environment that the microorganism is suitable through hot-blast on the one hand, and on the other hand can accelerate the solidification on agar layer through hot-blast, when batching the sample tape through the wind-up roll receipts, can not cause the agar layer to reveal.
(4) The edge of the sampling surface is provided with a flanging, so that the sampling surface cross contamination of different areas can not be caused in the rolling process, and the effectiveness of the sample is ensured.
(5) The piece that heats is helical structure winding at air-out outer wall of tubes, through this kind of winding mode, when heating the intraductal wind of air-out, guarantees that the wind-warm syndrome in each region of air-out pipe is even, can not cause the loss of wind-warm syndrome along the air-out pipe flow in-process.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a schematic partial perspective view of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of a material holding assembly in accordance with a preferred embodiment of the present invention;
FIG. 3 is an enlarged partial view of a first sampling zone of the preferred embodiment of the present invention;
in the figure: 1. the device comprises a drying component, 2, a first sampling surface, 3, a first sampling belt, 4, a spraying component, 5, a rotating shaft, 6, a base, 7, a fixing part, 8, a second sampling belt, 9, a motor, 10, a guide roller, 11, a hook, 12, a flanging, 13, a nozzle, 14, a power mechanism, 15, a material supporting disc, 16 and a notch.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1 to 3, a food safety inspection system includes: the material supporting component is provided with a first sampling belt 3 and a second sampling belt 8 which are arranged on two sides of the material supporting component;
the material supporting component comprises a base 6, a rotating shaft 5 arranged at the top of the base 6 and a material supporting disc 15 in matched connection with the rotating shaft 5, food is placed on the material supporting disc 15, and the material supporting disc 15 can rotate;
a plurality of guide rollers 10 are arranged on one sides of the first sampling belt 3 and the second sampling belt 8, the guide rollers 10 can drive the first sampling belt 3 and the second sampling belt 8, a first sampling surface 2 and a second sampling surface are respectively arranged on one sides, close to the material supporting assembly, of the first sampling belt 3 and the second sampling belt 8, a plurality of hook thorns 11 are respectively arranged on the first sampling surface 2 and the second sampling surface, and the direction of the hook thorns 11 is the same as the moving direction of the sampling belts;
the first sampling surface 2 and the second sampling surface are symmetrically distributed, the first sampling surface 2 and the second sampling surface respectively move along the surfaces of two sides of the food, and the food surface sample can be sampled through the barbs 11 in the moving process of the first sampling surface 2 and the second sampling surface;
the advancing ends of the first sampling belt 3 and the second sampling belt 8 are provided with a first winding roller and a second winding roller, the first winding roller is used for winding the first sampling belt 3, and the second winding roller is used for winding the second sampling belt 8.
It should be noted that, the deflector roll passes through motor 9 and drives rotatoryly, be provided with power unit 14 on the base 6, power unit 14 can drive 5 rotations of pivot, there is colluding thorn 11 on the sample face, be similar to feline's tongue, the sample face removes the in-process, can not only take off the food sample through colluding thorn 11, can also make the food sample keep colluding thorn 11 on or collude thorn 11 inboardly, spout through shower nozzle 13 to the sample face behind the sample and cover agar, form the agar layer, the agar layer not only can provide growing environment to the microorganism in the food, can also be with the sample bonding on the sample face, can not cause the loss of sample. First wind-up roll and second wind-up roll can be the rubber material, or first wind-up roll and second wind-up roll outside are provided with skid resistant course or anti-skidding arch, when first sampling area 3 just started the rolling with second sampling area 8, first sampling area 3 laminating wind-up roll, second sampling area 8 laminating second wind-up roll, the phenomenon of skidding can not take place for first wind-up roll and second wind-up roll, can directly put into sterile environment and cultivate after first wind-up roll and the rolling of second wind-up roll are accomplished, examine time measuring, can expand along radial cutting through first sampling area 3 after will rolling and second sampling area 8, form a plurality of samples, compare the experiment between a plurality of samples, improve and detect the precision.
Specifically, first wind-up roll and second wind-up roll size can be the same or different, and the first wind-up roll outside is provided with the skid resistant course, and the second wind-up roll outside is provided with anti-skidding arch, and the rotational speed of first wind-up roll and second wind-up roll can be the same or different.
According to an embodiment of the invention, the first sampling belt 3 moves in the opposite direction to the second sampling belt 8.
It should be noted that, the moving directions of the first sampling belt 3 and the second sampling belt 8 are opposite, so that the acting force directions of the first sampling belt 3 and the second sampling belt 8 on the inner side food are opposite, the relative displacement of the food is 0, the food is kept in a relatively static state, the food is prevented from being separated from the material supporting disc 15 in the sampling process of the first sampling belt 3 and the second sampling belt 8, and the food sampling safety is improved.
According to the embodiment of the invention, the two side edges of the first sampling belt 3 are provided with the flanges 12, and the flanges 12 are bent towards one side of the first sampling surface 2.
It should be noted that, the edge of the sampling surface is provided with the turned-over edge 12, so that the cross contamination of the sampling surfaces in different areas can not be caused in the rolling process, and the effectiveness of the sample can be ensured
According to the embodiment of the invention, two side edges of the second sampling surface are provided with flanges 12, and at least one notch 16 is arranged along the length direction of the flanges 12.
It should be noted that, the notch 16 is a semicircular structure or a square structure, a filter screen is arranged on the notch 16, when the first sampling surface 2 is rolled, the notch 16 forms a vent hole with the filter screen, the filter screen can filter external bacteria and prevent internal sampling microorganisms from being polluted, the edges of the first sampling surface 2 or/and the second sampling surface are both provided with flanges 12, in the rolling process, different areas on the first sampling surface 2 or/and the second sampling surface are not cross-polluted, the effectiveness of a sample is ensured, the edges of the flanges 12 are provided with a plurality of notches 16, after rolling, the notches 16 form vent holes, so that the culture cavity has good air permeability, the flanges 12 can play a certain supporting role for the culture cavity, one side of the flanges 12 is provided with a sealing strip, after rolling, the sealing strip can enable the flanges 12 to form a seal with the contact position of the first sampling belt 3 or/and the second sampling belt 8, the agar layer or the sample cannot be polluted, the size of the air holes in the first sampling belt 3 can be the same as that of the air holes in the second sampling belt 8, the size of the flange 12 in the first sampling belt 3 is the same as that of the flange 12 in the second sampling belt 8, namely the width or the thickness of the flange is the same, so that microorganisms in the sample are in the same growth environment, and a comparison test is carried out, and the sample has contrast.
According to the embodiment of the invention, the size of the tray 15 is smaller than that of the end face of the bottom of the food.
It should be noted that, through setting up the tray 15 that can rotate, put food on tray 15, first sample face 2 and the in-process that the second sample face laminated food surface took a sample, tray 15 drives food synchronous revolution, make first sample face 2 and the sample of second sample face all take a sample to food surface, form the contrast sample between two sample faces, tray 15's size is less, preferred tray 15's size is not more than 1/2 of food bottom end face size, guarantee that first sample area 3 and second sample area 8 carry out the sample in-process to inboard food top layer sample, can not cause first sample area 3 or second sample area 8 friction bottom tray 15.
According to the embodiment of the invention, two side edges of the second sampling surface are provided with flanges 12, and at least one notch 16 is arranged along the length direction of the flanges 12.
It should be noted that, the notch 16 is a semicircular structure or a square structure, a filter screen is arranged on the notch 16, when the first sampling surface 2 is rolled, the notch 16 forms a vent hole with the filter screen, the filter screen can filter external bacteria and prevent internal sampling microorganisms from being polluted, the edges of the first sampling surface 2 or/and the second sampling surface are both provided with flanges 12, in the rolling process, different areas on the first sampling surface 2 or/and the second sampling surface are not cross-polluted, the effectiveness of a sample is ensured, the edges of the flanges 12 are provided with a plurality of notches 16, after rolling, the notches 16 form vent holes, so that the culture cavity has good air permeability, the flanges 12 can play a certain supporting role for the culture cavity, one side of the flanges 12 is provided with a sealing strip, after rolling, the sealing strip can enable the flanges 12 to form a seal with the contact position of the first sampling belt 3 or/and the second sampling belt 8, the agar layer or the sample cannot be polluted, the sizes of the air holes in the first sampling belt 3 and the air holes in the second sampling belt 8 can be different, the sizes of the turned-over edge 12 in the first sampling belt 3 and the turned-over edge 12 in the second sampling belt 8 are different, namely the widths or the thicknesses are different, so that microorganisms in the sample are in different growth environments, and comparison tests are carried out.
In a preferred embodiment of the present invention, the food is a round structure, in this embodiment, a moon cake is taken as an example, the moon cake penetrates through the fixing member 7, the size of the material supporting tray 15 is 3/4 of the size of the end face of the bottom of the moon cake, the material supporting tray 15 rotates during the sampling process of the first sampling belt 3 and the second sampling belt 8, the surface layer sample on the outer side of the moon cake is sampled, when the material supporting tray 15 is rubbed by the first sampling belt 3 and the second sampling belt 8, the sampling is stopped, so that 1/4 of the surface layer sample occupying the end face of the bottom of the moon cake can be obtained, the weight ratio of the sample occupying the whole moon cake can be adjusted by adjusting the size of the material supporting tray 15 or the size ratio of the material supporting tray 15 to the end face of the bottom of the moon cake.
According to the embodiment of the invention, the fixing part 7 is arranged at the central position of the tray 15, and the fixing part 7 penetrates through the food.
It should be noted that the mounting 7 can stretch out and draw back, the mounting 7 outside is provided with the screw thread, when the mounting 7 runs through food, some soft solid goods can be directly in inserting food through the mounting 7, some stereoplasm food can run through food with the mounting 7 through manual rotatory food, through the screw thread design, when first sampling area 3 takes a sample with second sampling area 8, like the moon cake, itself is circular structure, can take a sample the food outside top layer through rotatory tray 15.
According to the embodiment of the invention, the device further comprises a spraying component 4, the spraying component 4 is provided with a storage bin and a spray head 13, the storage bin is communicated with the spray head 13, agar is arranged in the storage bin, and the agar is sprayed on the first sampling surface 2 and the second sampling surface after sampling through the spray head 13 to form an agar layer.
The agar layer is used as a culture medium to provide a good environment for the growth of microorganisms and improve the effectiveness of a detection sample, the nutrient agar culture medium is a non-selective solid culture medium with low nutrient content, is mainly used for bacterial colony counting, can also be used for the passage and enrichment of bacteria, and provides a good growth environment for the microorganisms, and the raw materials for preparing the culture medium comprise: beef extract, wort, peptone, yeast extract, corn flour, bran, potato, etc., but not limited thereto, and those skilled in the art can selectively adjust the conditions according to the cultured microorganism.
According to the embodiment of the invention, the heating device further comprises an air outlet pipe and a heating piece, wherein the heating piece is of a spiral structure and is wound on the outer wall of the air outlet pipe, and one end of the air outlet pipe is connected with a fan.
It should be noted that, go out the tuber pipe and heat the piece and constitute dry subassembly 1, be provided with two dry subassemblies 1 in first sampling area 3 and second sampling area 8 inboard, two dry subassembly 1 symmetries set up, the play tuber pipe subtend air-out on the dry subassembly 1, two play tuber pipes are all bloied to first sampling area 3 and second sampling area 8 inboards, form convection current wind, can not directly blow to first sample face 2 and second sample face because of going out the tuber pipe, improve agar-layer drying effect, heat the piece for helical structure winding at the air-out outer wall of pipe, through this kind of winding mode, when heating the intraductal wind of air-out, guarantee that the wind temperature in each region of tuber pipe is even, can not make the loss of wind temperature along the play tuber pipe flow in-process.
According to the embodiment of the invention, the heating piece can adjust the air temperature in the air outlet pipe.
It should be noted that, the piece that heats can be the heating wire, through the temperature of control current size adjustment heating wire, the tuber pipe outer wall is provided with the heat-conducting layer, and the heat-conducting layer can be with the even conduction of temperature to the tuber pipe of heating wire for add the intraductal wind that flows of hot blast, this kind of setting mode can be that the difference in temperature of wind in the in-process tuber pipe each position department that removes is less.
According to the embodiment of the invention, the air outlet pipe sprays air to the agar layer at intervals, and the air spraying interval time of the air outlet pipe is 1-5 seconds.
It should be noted that, two preferred air-out pipes can air-out simultaneously to the opposite direction, also can blow in proper order, air-out pipe air-jet interval time is 1 second, 3 seconds or 5 seconds under two kinds of circumstances, connect the air-out pipe through the fan and supply air to the agar-agar layer promptly, wind has the diffusivity, in the air supply drying process to the agar-agar layer, have regional drying effect, if incessantly blow, cause local drying time overlength easily, cause the damage of agar-agar layer, through in the sample area removes the in-process, interval 5 seconds fan starts once every turn, once blow to the agar-agar layer.
In conclusion, by arranging the rotatable material supporting disc 15, food is placed on the material supporting disc 15, the first sampling surface 2 and the second sampling surface are attached to the surface of the food for sampling, the material supporting disc 15 drives the food to rotate synchronously, so that the first sampling surface 2 and the second sampling surface both sample the sample on the surface of the food, a comparison sample is formed between the two sampling surfaces, the sampling surface is provided with the hook 11 similar to the tongue of a feline, the edge of the sampling surface is provided with the flanging 12, the cross contamination of the sampling surfaces in different areas is avoided in the rolling process, the effectiveness of the sample is ensured, the food sample can be taken down through the hook 11 in the moving process of the sampling surfaces, the food sample can be left on the hook 11 or on the inner side of the hook 11, agar is sprayed on the sampling surfaces through the spray nozzle 13 after sampling, an agar layer is formed, the agar layer can not only provide a growth environment for microorganisms in the food, the sample can be adhered to the sampling surface without loss of the sample.
Blow off hot-blastly through 1 interval of drying module, the piece that heats is helical structure winding at the air-out pipe outer wall, through this kind of winding mode, when heating the intraductal wind of air-out, it is even to guarantee the wind temperature in each region of air-out pipe, can not make the loss of wind along the flowing in-process wind temperature of air-out pipe, hot-blast temperature is adjusted according to the difference of sample, can provide the environment that the microorganism is suitable through hot-blast on the one hand, on the other hand can accelerate the solidification on agar layer through hot-blast, when batching appearance area through the wind-up roll receipts, can not cause the agar layer to reveal.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A food safety detection system, comprising: the material supporting assembly is arranged on the first sampling belt and the second sampling belt on two sides of the material supporting assembly; it is characterized in that the preparation method is characterized in that,
the material supporting assembly comprises a base, a rotating shaft and a material supporting disc, wherein the rotating shaft is arranged at the top of the base, the material supporting disc is connected with the rotating shaft in a matched mode, food is placed on the material supporting disc, and the material supporting disc can rotate;
a plurality of guide rollers are arranged on one sides of the first sampling belt and the second sampling belt, the guide rollers can drive the first sampling belt and the second sampling belt, a first sampling surface and a second sampling surface are respectively arranged on one sides, close to the material supporting assembly, of the first sampling belt and the second sampling belt, a plurality of hook thorns are respectively arranged on the first sampling surface and the second sampling surface, and the direction of the hook thorns is the same as the moving direction of the sampling belts;
the first sampling surface and the second sampling surface are symmetrically distributed, the first sampling surface and the second sampling surface respectively move along the surfaces of two sides of the food, and the food surface sample can be sampled through the barbs in the moving process of the first sampling surface and the second sampling surface;
the advancing ends of the first sampling belt and the second sampling belt are provided with a first winding roller and a second winding roller, the first winding roller is used for winding the first sampling belt, and the second winding roller is used for winding the second sampling belt.
2. The food safety detection system according to claim 1, wherein: the first sampling belt and the second sampling belt move in opposite directions.
3. The food safety detection system according to claim 1, wherein: the edges of two sides of the first sampling belt are provided with flanges, and the flanges bend towards one side of the first sampling surface.
4. The food safety detection system according to claim 1, wherein: and flanges are arranged on the edges of two sides of the second sampling surface, and at least one notch is arranged along the length direction of the flanges.
5. The food safety detection system according to claim 1, wherein: the size of the tray is smaller than that of the end face of the bottom of the food.
6. The food safety detection system according to claim 1, wherein: the center of the tray is provided with a fixing part which penetrates through the food.
7. The food safety detection system according to claim 1, wherein: still including spouting the subassembly, it has feed bin and shower nozzle to spout the subassembly, the feed bin with the shower nozzle intercommunication, be provided with agar in the feed bin, through the shower nozzle after to the sample first sample face with agar is spouted to the second sample face, forms the agar layer.
8. The food safety detection system according to claim 1, wherein: still include go out tuber pipe and heating element, heating element is helical structure, heating element twines go out the outer wall of air pipe, it is connected with the fan to go out tuber pipe one end.
9. The food safety detection system according to claim 8, wherein: the piece that heats can adjust the interior wind-warm syndrome of air-out pipe.
10. The food safety detection system according to claim 8, wherein: the air outlet pipe sprays air to the agar layer at intervals, and the air spraying interval time of the air outlet pipe is 1-5 seconds.
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| CN202010880706.7A CN112051366B (en) | 2020-08-27 | 2020-08-27 | Food safety detection system |
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| CN202010880706.7A CN112051366B (en) | 2020-08-27 | 2020-08-27 | Food safety detection system |
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| CN112051366B CN112051366B (en) | 2023-01-17 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS62126381A (en) * | 1985-11-27 | 1987-06-08 | Mitsubishi Metal Corp | Method for sampling surface contamination |
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| CN112051366B (en) | 2023-01-17 |
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