CN117070335B - Microorganism content detection device and method based on food safety - Google Patents
Microorganism content detection device and method based on food safety Download PDFInfo
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- CN117070335B CN117070335B CN202311335071.2A CN202311335071A CN117070335B CN 117070335 B CN117070335 B CN 117070335B CN 202311335071 A CN202311335071 A CN 202311335071A CN 117070335 B CN117070335 B CN 117070335B
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- 238000001514 detection method Methods 0.000 title claims abstract description 120
- 235000013305 food Nutrition 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 21
- 244000005700 microbiome Species 0.000 title claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 235000021056 liquid food Nutrition 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 230000000813 microbial effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/48—Holding appliances; Racks; Supports
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/38—Caps; Covers; Plugs; Pouring means
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
- C12M41/36—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of biomass, e.g. colony counters or by turbidity measurements
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
- C12Q1/04—Determining presence or kind of microorganism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor
- C12Q1/06—Quantitative determination
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Sustainable Development (AREA)
- Biomedical Technology (AREA)
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- Proteomics, Peptides & Aminoacids (AREA)
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- Physics & Mathematics (AREA)
- Biophysics (AREA)
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
The invention relates to the technical field of detection devices, in particular to a microorganism content detection device and method based on food safety. According to the invention, through the mutual matching of the sample box, the guide pipe, the protective cover, the cover plate and the detector, food is always in a closed environment in the detection process, so that dust and impurities in air are prevented from falling into food samples, the samples are prevented from being polluted, and the accuracy and the detection safety of the microorganism content detection in the food are effectively improved.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a food safety-based microorganism content detection device and method.
Background
When the liquid food is produced and processed, the detection device is required to detect the microorganism content in the food so as to prevent the microorganism in the food from exceeding the standard and ensure that the food is eaten more safely.
The existing detection device for the microbial content in food still has many defects when in use, and when the existing detection device for the microbial content is in use, dust and impurities in the air of a food sample on the device easily fall into the food sample in the detection process, so that the sample is polluted, and the follow-up staff has lower accuracy and poor detection safety on the microbial content in the food.
Disclosure of Invention
The invention aims to solve the defects in the prior art that dust and impurities in air easily fall into a food sample in the detection process of the food sample on the device, so that the sample is polluted, the accuracy of detecting the microbial content in the food by subsequent staff is low, and the detection safety is poor.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the microbial content detection device based on food safety comprises a base, wherein a sample box is fixedly arranged on the surface of the base, and a detection groove is formed in the surface of the base;
the base surface fixed mounting has the safety cover, the safety cover is located the detection groove directly over, the movable hole has all been seted up to the safety cover both sides face, two equal slidable mounting has the apron in the movable hole, the mounting hole has been seted up on the safety cover surface, fixed mounting has the detector in the mounting hole, the detection head is installed to detector lower extreme symmetry, fixed mounting has the pipe between sample box and the safety cover, the one end of pipe passes the safety cover and is located the detection groove directly over, the jack has been seted up on the pipe surface, the jack interpolation is equipped with the shutoff piece.
As a preferable scheme, a rotating rod is vertically arranged in the sample box in a rotating way, a plurality of stirring plates are fixedly arranged on the rotating rod, and one end of the rotating rod penetrates out of the sample box and is fixedly provided with a crank.
As a preferred scheme, the symmetry is rotated in the detection groove and is installed the axis of rotation, two equal fixed mounting has a plurality of mixing rod in the axis of rotation, the detection head is located directly over two axes of rotation, the back shaft is installed in the symmetry rotation of safety cover inner wall, all fixed the cup joint drive wheel in back shaft and the axis of rotation, two the cover is equipped with the drive belt on the drive wheel, be equipped with in the safety cover and be used for driving back shaft pivoted drive assembly.
As a preferable scheme, the transmission assembly comprises a spur gear fixedly arranged at one end of the supporting shaft, a cross rod fixedly arranged between the two detection heads, a connecting rod fixedly arranged on the cross rod and a rack rod fixedly arranged at one end of the connecting rod, and the spur gear is in meshed connection with the rack rod.
As a preferred scheme, horizontal fixed mounting has the slide rail in the safety cover, slidable mounting has the movable block on the slide rail, the cover is equipped with the extension spring on the slide rail, extension spring's both ends respectively with safety cover and movable block fixed connection, fixed surface installs the rectangle piece under the movable block, rectangle piece one end fixed mounting has the dust cover, the detection head is located the dust cover, the safety cover side is equipped with the pulling subassembly that is used for driving the movable block and removes.
As a preferred scheme, the round hole has been seted up to the safety cover side, the pulling subassembly includes fixed mounting bracing piece on the safety cover side, rotates the leading wheel of installing on the bracing piece and fixed mounting haulage rope on the movable block, the one end of haulage rope passes through-hole and leading wheel in proper order to with apron fixed connection.
As a preferable scheme, the surface of the base is fixedly provided with a positioning block, the surface of the cover plate is fixedly provided with a mounting block, the surface of the mounting block is provided with a pin hole, a positioning pin is inserted into the pin hole, and the surface of the positioning block is symmetrically provided with positioning holes.
A method for detecting microbial content based on food safety, the method comprising the steps of:
s1: firstly, adding liquid food to be detected and detection liquid into a sample box together, then driving a rotating rod to rotate through a crank, and mixing the liquid food and the detection liquid through a stirring plate to obtain a sample;
s2: closing the two cover plates, and pulling the moving block through the traction rope in the closing process so as to drive the dust cover to be separated from the detection head;
s3: taking out the blocking block, enabling a sample in the sample box to flow into the detection groove through the guide pipe, starting the detector, and driving the two detection heads to vertically move downwards through the detector until the two detection heads are inserted into the detection groove;
s4: the detection head can drive the rack bar to vertically move downwards in the vertical downward movement process, so that the support shaft is driven to rotate through the spur gear, then the rotation shaft is driven to rotate through the transmission wheel and the transmission belt, and meanwhile, the mixing bars are driven to rotate in the detection groove, so that samples are uniformly distributed in the detection groove.
Compared with the prior art, the invention has the beneficial effects that:
1. when detecting liquid food, the food is always in a closed environment in the detection process by the mutual matching of the sample box, the guide pipe, the protective cover, the cover plate and the detector, so that dust and impurities in air can not fall into food samples, the samples are prevented from being polluted, and the accuracy and the detection safety of the microorganism content detection in the food are effectively improved;
2. after the liquid food and the detection liquid are added into the sample box, the liquid food and the detection liquid can be uniformly mixed through the mutual matching of the crank, the rotating rod and the stirring plate, so that the accuracy of detecting the microorganism content in the food is further improved;
3. when the detection head moves into the detection groove, the rotating shaft can drive the mixing rods to rotate in the detection groove, so that samples can be uniformly distributed in the detection groove, and the phenomenon that the detection result is affected due to uneven distribution of the samples in the detection groove is avoided.
Drawings
FIG. 1 is a schematic diagram of a front perspective partial cross-sectional structure of a food safety-based microorganism content detection apparatus according to the present invention;
FIG. 2 is a schematic side view of a food safety-based microorganism content detection apparatus according to the present invention;
FIG. 3 is a schematic view showing a partial perspective structure of the inside of a protective cover in a food safety-based microorganism content detection apparatus according to the present invention;
FIG. 4 is a schematic perspective view of a transmission assembly of the food safety-based microorganism content detection apparatus according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 6 is an enlarged schematic view of the structure of FIG. 1 at B;
FIG. 7 is an enlarged schematic view of FIG. 2 at C;
FIG. 8 is an enlarged schematic view of the structure of FIG. 2D;
in the figure: 1. a base; 2. a sample box; 3. a detection groove; 4. a protective cover; 5. a detector; 6. a detection head; 7. a conduit; 8. blocking; 9. a rotating lever; 10. a stirring plate; 11. a crank; 12. a rotating shaft; 13. a mixing rod; 14. a support shaft; 15. spur gears; 16. a cross bar; 17. a connecting rod; 18. a rack bar; 19. a cover plate; 20. a slide rail; 21. a moving block; 22. rectangular blocks; 23. a dust cover; 24. a support rod; 25. a guide wheel; 26. a traction rope; 27. a positioning block; 28. a mounting block; 29. a positioning pin; 30. a telescopic spring; 31. a driving wheel; 32. a driving belt.
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.
Referring to fig. 1-8, a microorganism content detection device based on food safety comprises a base 1, wherein a sample box 2 is fixedly arranged on the surface of the base 1, a detection groove 3 is formed in the surface of the base 1, and liquid food to be detected and detection liquid are firstly added into the sample box 2 together before detection.
The base 1 surface fixed mounting has the safety cover 4, the safety cover 4 is located and detects the groove 3 directly over, the movable hole has all been seted up to safety cover 4 both sides face, equal slidable mounting has apron 19 in two movable holes, the mounting hole has been seted up on safety cover 4 surface, fixed mounting has detector 5 in the mounting hole, detector 5 lower extreme symmetry is installed and is detected head 6, fixed mounting has pipe 7 between sample box 2 and the safety cover 4, pipe 7's one end passes safety cover 4 and is located and detects the groove 3 directly over, the jack has been seted up on pipe 7 surface, the jack interpolation is equipped with the shutoff piece 8 (detector 5 and detection head 6 are prior art, do not make detailed description here).
When detecting a sample, firstly, the two cover plates 19 are closed, the detection groove 3 is located in a closed space, then the blocking block 8 is taken out, and the height difference of the two ends of the guide pipe 7 is different, so that the sample in the sample box 2 can penetrate through the guide pipe 7 and enter the detection groove 3, the detector 5 is started, the two detection heads 6 are driven to vertically move downwards by the detector 5 until one end of the detection head 6 is inserted into the sample, the detection of the sample is realized, the food is always located in a closed environment in the detection process, dust and impurities in the air can not fall into the food sample, the sample is prevented from being polluted, and the detection accuracy and the detection safety of the microorganism content in the food are effectively improved.
The utility model provides a vertical rotation installs dwang 9 in the sample box 2, fixed mounting has a plurality of stirring boards 10 on the dwang 9, and sample box 2 is worn out to the one end of dwang 9 and fixed mounting has crank 11, and after liquid food and detection liquid added sample box 2, drive dwang 9 through rotating crank 11 and rotate, then drive stirring board 10 around dwang 9 dwang again to realize the even mixing of liquid food and detection liquid, further improvement microorganism content detection's in the food accuracy.
The detection groove 3 is internally and symmetrically rotatably provided with rotating shafts 12, the two rotating shafts 12 are fixedly provided with a plurality of mixing rods 13, the detection heads 6 are positioned right above the two rotating shafts 12, the inner wall of the protection cover 4 is symmetrically and rotatably provided with a support shaft 14, the support shaft 14 and the rotating shafts 12 are fixedly sleeved with driving wheels 31, the two driving wheels 31 are sleeved with driving belts 32, the protection cover 4 is internally provided with a driving component for driving the support shaft 14 to rotate, the driving component comprises a spur gear 15 fixedly arranged at one end of the support shaft 14, a cross rod 16 fixedly arranged between the two detection heads 6, a connecting rod 17 fixedly arranged on the cross rod 16 and a rack bar 18 fixedly arranged at one end of the connecting rod 17, and the spur gear 15 is in meshed connection with the rack bar 18.
When two detection heads 6 move vertically downwards, can drive horizontal pole 16 vertical downwardly moving, then drive rack bar 18 vertical downwardly moving through connecting rod 17, rack bar 18 when moving can drive spur gear 15 and rotate, then drive back shaft 14 and rotate, back shaft 14 rethread drive wheel 31 and drive belt 32 drive axis of rotation 12, axis of rotation 12 drive a plurality of mixing bars 13 again and transmit in detecting tank 3, under the effect of mixing bar 13, make the sample can even distribute in detecting tank 3, avoid detecting tank 3 in the sample uneven distribution, influence the testing result.
The horizontal fixed mounting has slide rail 20 in the safety cover 4, slidable mounting has movable block 21 on the slide rail 20, the cover is equipped with extension spring 30 on the slide rail 20, extension spring 30's both ends respectively with safety cover 4 and movable block 21 fixed connection, movable block 21 lower surface fixed mounting has rectangular piece 22, rectangular piece 22 one end fixed mounting has dust cover 23, detect head 6 and be located dust cover 23, the safety cover 4 side is equipped with the pulling subassembly that is used for driving movable block 21 and removes, the round hole has been seted up to the safety cover 4 side, the pulling subassembly includes fixed mounting bracing piece 24 on the safety cover 4 side, rotate the leading wheel 25 of installing on bracing piece 24 and fixed mounting haulage rope 26 on movable block 21, the one end of haulage rope 26 passes through the through-hole in proper order and leading wheel 25, and with apron 19 fixed connection.
When the cover plate 19 is in an open state, under the action of the telescopic spring 30, the moving block 21 can drive the dust cover 23 to cover the detection head 6, so that dust in air can be prevented from being adsorbed on the detection head 6 during use, and the detection result is prevented from being influenced.
Before detection, the cover plate 19 is closed, in the closing process, the cover plate 19 can pull the traction rope 26, then the moving block 21 is pulled to move away from the detection head 6 under the action of the guide wheel 25, the telescopic spring 30 is compressed, and accordingly the moving block 21 can drive the dust cover 23 to be separated from the detection head 6 through the rectangular block 22, and the detection head 6 is exposed to the outside for detection.
The base 1 surface fixed mounting has locating piece 27, and apron 19 surface fixed mounting has installation piece 28, and the pinhole has been seted up on installation piece 28 surface, and the pinhole interpolation is equipped with locating pin 29, and locating hole has been seted up to locating piece 27 surface symmetry, and apron 19 is closed the back, inserts locating pin 29 in the locating hole, and then plays the effect of location to apron 19, prevents under the effect of extension spring 30 elasticity, apron 19 is automatic to be opened.
A microbial content detection method based on food safety comprises the following steps:
s1: firstly, liquid food to be detected and detection liquid are added into a sample box 2 together, then a crank 11 drives a rotating rod 9 to rotate, and mixing of the liquid food and the detection liquid is realized through a stirring plate 10 to obtain a sample;
s2: closing the two cover plates 19, and pulling the moving block 21 through the traction rope 26 in the closing process, so as to drive the dust cover 23 to be separated from the detection head 6;
s3: taking out the blocking block 8, enabling the sample in the sample box 2 to flow into the detection groove 3 through the guide pipe 7, starting the detector 5, and driving the two detection heads 6 to vertically move downwards through the detector 5 until the sample is inserted into the detection groove 3;
s4: in the vertical downward movement process of the detection head 6, the rack bar 18 is driven to vertically move downward, so that the support shaft 14 is driven to rotate through the spur gear 15, then the rotation shaft 12 is driven to rotate through the transmission wheel 31 and the transmission belt 32, and meanwhile, the mixing bars 13 are driven to rotate in the detection groove 3, so that samples are uniformly distributed in the detection groove 3.
In the invention, when a sample is detected, the two cover plates 19 are closed firstly, the detection groove 3 is positioned in a closed space, then the blocking block 8 is taken out, and the height difference of the two ends of the guide pipe 7 is different, so that the sample in the sample box 2 can enter the detection groove 3 through the guide pipe 7, the detector 5 is started, the two detection heads 6 are driven to vertically move downwards by the detector 5 until one end of the detection head 6 is inserted into the sample, the detection of the sample is realized, and the food is always in a closed environment in the detection process, thereby ensuring that dust and impurities in the air can not fall into the food sample, preventing the sample from being polluted, and effectively improving the detection accuracy and detection safety of the microorganism content in the food.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The microbial content detection device based on food safety comprises a base (1), and is characterized in that a sample box (2) is fixedly arranged on the surface of the base (1), and a detection groove (3) is formed in the surface of the base (1);
the device is characterized in that a protective cover (4) is fixedly arranged on the surface of the base (1), the protective cover (4) is located right above the detection groove (3), moving holes are formed in two side faces of the protective cover (4), cover plates (19) are slidably arranged in the two moving holes, mounting holes are formed in the surface of the protective cover (4), a detector (5) is fixedly arranged in the mounting holes, detection heads (6) are symmetrically arranged at the lower ends of the detector (5), a guide pipe (7) is fixedly arranged between the sample box (2) and the protective cover (4), one end of the guide pipe (7) penetrates through the protective cover (4) and is located right above the detection groove (3), a jack is formed in the surface of the guide pipe (7), and a blocking block (8) is arranged in the jack in an inserting mode;
the detection groove (3) is internally and symmetrically provided with rotating shafts (12) in a rotating way, two rotating shafts (12) are fixedly provided with a plurality of mixing rods (13), the detection heads (6) are positioned right above the two rotating shafts (12), the inner walls of the protection covers (4) are symmetrically and rotatably provided with supporting shafts (14), the supporting shafts (14) and the rotating shafts (12) are fixedly sleeved with driving wheels (31), two driving wheels (31) are sleeved with driving belts (32), and the protection covers (4) are internally provided with driving components for driving the supporting shafts (14) to rotate;
the transmission assembly comprises a spur gear (15) fixedly arranged at one end of the supporting shaft (14), a cross rod (16) fixedly arranged between the two detection heads (6), a connecting rod (17) fixedly arranged on the cross rod (16) and a rack bar (18) fixedly arranged at one end of the connecting rod (17), and the spur gear (15) is in meshed connection with the rack bar (18);
the device is characterized in that a sliding rail (20) is horizontally and fixedly arranged in the protective cover (4), a moving block (21) is slidably arranged on the sliding rail (20), a telescopic spring (30) is sleeved on the sliding rail (20), two ends of the telescopic spring (30) are fixedly connected with the protective cover (4) and the moving block (21) respectively, a rectangular block (22) is fixedly arranged on the lower surface of the moving block (21), a dust cover (23) is fixedly arranged at one end of the rectangular block (22), the detection head (6) is positioned in the dust cover (23), and a pulling assembly for driving the moving block (21) to move is arranged on the side face of the protective cover (4);
round holes are formed in the side faces of the protective cover (4), the pulling assembly comprises a supporting rod (24) fixedly installed on the side faces of the protective cover (4), a guide wheel (25) rotatably installed on the supporting rod (24) and a traction rope (26) fixedly installed on the moving block (21), and one end of the traction rope (26) sequentially penetrates through the through holes and the guide wheel (25) and is fixedly connected with the cover plate (19).
2. The microbial content detection device based on food safety according to claim 1, wherein a rotating rod (9) is vertically installed in the sample box (2) in a rotating mode, a plurality of stirring plates (10) are fixedly installed on the rotating rod (9), and one end of the rotating rod (9) penetrates out of the sample box (2) and is fixedly provided with a crank (11).
3. The food safety-based microorganism content detection device according to claim 1, wherein a positioning block (27) is fixedly installed on the surface of the base (1), an installation block (28) is fixedly installed on the surface of the cover plate (19), a pin hole is formed in the surface of the installation block (28), a positioning pin (29) is inserted into the pin hole, and positioning holes are symmetrically formed in the surface of the positioning block (27).
4. A method for detecting the microbial content based on food safety using the detection device according to any one of claims 1 to 3, characterized in that the method comprises the steps of:
s1: firstly, adding liquid food to be detected and detection liquid into a sample box (2), then driving a rotating rod (9) to rotate through a crank (11), and mixing the liquid food and the detection liquid through a stirring plate (10) to obtain a sample;
s2: closing the two cover plates (19), and pulling the moving block (21) through the traction rope (26) in the closing process so as to drive the dust cover (23) to be separated from the detection head (6);
s3: taking out the blocking block (8), enabling the sample in the sample box (2) to flow into the detection groove (3) through the guide pipe (7), starting the detector (5), and driving the two detection heads (6) to vertically move downwards through the detector (5) until the two detection heads are inserted into the detection groove (3);
s4: the detection head (6) can drive the rack bar (18) to vertically move downwards in the vertical downward moving process, so that the support shaft (14) is driven to rotate through the spur gear (15), then the rotation shaft (12) is driven to rotate through the transmission wheel (31) and the transmission belt (32), and meanwhile, the plurality of mixing rods (13) are driven to rotate in the detection groove (3), so that samples are uniformly distributed in the detection groove (3).
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| CN202311335071.2A CN117070335B (en) | 2023-10-16 | 2023-10-16 | Microorganism content detection device and method based on food safety |
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| CN202311335071.2A CN117070335B (en) | 2023-10-16 | 2023-10-16 | Microorganism content detection device and method based on food safety |
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| CN117070335B true CN117070335B (en) | 2024-02-06 |
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| CN109468984A (en) * | 2018-11-06 | 2019-03-15 | 企业管家（中山）科技有限公司 | A kind of bilayer garbage truck |
| CN209727909U (en) * | 2019-02-27 | 2019-12-03 | 济宁市东运农产品检测股份有限公司 | A kind of microorganism in food content safety detection platform |
| JP2021067662A (en) * | 2019-10-22 | 2021-04-30 | 方小剛 | Safety evaluation device for heat-resistant plastic product |
| CN215519253U (en) * | 2021-01-13 | 2022-01-14 | 天津盛为利华新型建材技术有限公司 | Composite material connecting piece for prefabricated sandwich thermal insulation wall |
| CN113533661A (en) * | 2021-07-22 | 2021-10-22 | 钟佳龙 | Food safety detection device and detection method thereof |
| CN116731833A (en) * | 2023-06-14 | 2023-09-12 | 成都产品质量检验研究院有限责任公司 | Quick detection device and quick detection method for food microorganisms |
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