CN115058316A

CN115058316A - Detection device for detecting food microorganisms

Info

Publication number: CN115058316A
Application number: CN202210560931.1A
Authority: CN
Inventors: 何秀婷; 姚勇芳; 宋雪果; 吴少微; 苏婉莹; 严丽娜
Original assignee: Guangdong Industry Technical College
Current assignee: Guangdong Industry Technical College
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-16

Abstract

The invention relates to the technical field of food detection, in particular to a detection device for food microorganism detection. According to the detection device for detecting the food microorganisms, a sample to be detected is placed in a culture dish, an outer sealing door is opened, the culture dish is placed in an access box, the outer sealing door is closed, a first telescopic rod lifts an inner sealing door, the culture dish can be movably placed in a culture tank due to the arrangement of a material taking mechanism, exchange of air in and out of an outer box body is less when the culture dish is accessed, and the influence on the internal culture environment is avoided.

Description

Detection device for detecting food microorganisms

Technical Field

The invention relates to the technical field of food detection, in particular to a detection device for detecting food microorganisms.

Background

The food microorganism detection is a detection method which uses the theory and method of microbiology to detect the type, quantity, property and influence of the microorganism in the food on the human health so as to judge whether the food meets the quality standard. The food microorganism inspection method is an essential important component part for food quality management, is a thorough 'prevention-oriented' guideline, can effectively prevent or reduce the occurrence of diseases of food, people and livestock, and guarantees the physical health of people. The food microbiological examination is one of the important indexes for measuring the food sanitation quality and is also one of the scientific bases for judging whether the detected food is eaten or not. Through food microbiological inspection, the food processing environment and the food sanitation condition can be judged, the correct evaluation can be made on the degree of the food polluted by bacteria, and a scientific basis is provided for various sanitation management works.

When microorganisms in fluid food such as milk products, porridge and the like are detected, the food needs to be sampled firstly, then the samples are placed in a culture dish for culture, the microorganisms are propagated quickly, then the samples are taken out and observed by a microscope, when the culture is carried out, most of the culture dishes are placed in an incubator, all parameters such as temperature, humidity and the like of the culture environment need to be kept stable, if a plurality of groups of samples are placed in the incubator, the culture environment can be damaged by repeatedly opening and closing the incubator when the culture dish is taken, and the microorganisms in the external environment can easily enter the incubator; and nutrient solution needs to be added into the culture dish, so that the culture dish is inconvenient to add.

Disclosure of Invention

The present invention is directed to a detection device for detecting microorganisms in food, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a detection apparatus for be used for food microbiological detection, including outer box, the front of outer box is provided with access mechanism, the culture dish has been placed in the access mechanism, the top of outer box is connected with the top cap, be provided with the feeding agencies who is used for shifting the culture dish on the top cap, be provided with the inner tower on the both sides inner wall of outer box, be provided with the cultivation mechanism of being convenient for throw the material on the inner tower.

Preferably, the access mechanism is including the access case, and the outer door that seals is installed to the one end of access case, and the one end of outer door and the tip of access case pass through the hinge articulated continuous, is provided with the magnetism sealing strip between outer door and the access case, and the other end of access case is provided with the inner panel, and the inner panel activity is pegged graft on the tip of access case, and the top of access case is provided with the inner panel, is connected with first telescopic link between inner panel and the interior door.

Preferably, the centre of culture dish is provided with the hole, rotates on the lateral wall of hole and is provided with the swivel becket, installs the horizontal pole on the lateral wall of swivel becket, and the bracing piece is installed to the tip of horizontal pole, and the butt joint ring is installed on the top of bracing piece, installs two pole settings on the bottom surface of butt joint ring, and the bottom plate is installed to the bottom of pole setting, installs several puddlers on the bottom surface of bottom plate.

Preferably, the material taking mechanism comprises a second telescopic rod, the top of the second telescopic rod is installed on the bottom surface of the movable block, sliding blocks are installed on two sides of the movable block, and a threaded hole is formed in the middle of the movable block.

Preferably, the second motor is installed to the bottom of second telescopic link, and the output of second motor is connected with gets the flitch, gets the one end of flitch and is provided with the breach, and a third telescopic link is respectively installed at the incision both ends, and the end connection of third telescopic link has the clamping piece.

Preferably, install a set of slide on the top cap, the slider is located the slide and slides, still installs first motor on the top cap, and the output of first motor is connected with the lead screw, and the lead screw runs through the movable block, and lead screw and screw hole cooperation are connected.

Preferably, cultivate the mechanism including offering the culture tank on the inner tower, install the reference column on the bottom surface of culture tank, be provided with sunken hole on the reference column, the internally mounted in sunken hole has the third motor, and the output of third motor is connected with the adapter sleeve.

Preferably, the top surface of the culture tank is provided with a fourth telescopic rod, the lower part of the fourth telescopic rod is provided with a mounting disc, a group of long side rods and a group of short side rods are mounted on the side wall of the mounting disc, friction plates are mounted on the bottom surface of the end part of the long side rods, liquid spraying nozzles are mounted on the bottom surface of the end part of the short side rods, and connecting columns are mounted on the bottom surface of the mounting disc.

Preferably, the upper surface of the mounting disc is rotatably provided with a top ring, and the top ring is provided with a material conveying pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the detection device for detecting the food microorganisms, a sample to be detected is placed in a culture dish, an outer sealing door is opened, the culture dish is placed in an access box, the outer sealing door is closed, a first telescopic rod lifts the inner sealing door, the culture dish can be movably placed in a culture tank due to the arrangement of a material taking mechanism, exchange of air in and out of an outer box body is less when the culture dish is accessed, and the influence on the internal culture environment is avoided;

2. when a culture dish is placed, the first motor is started to drive the lead screw, the lead screw rotates to cause the movable block to move, so that the material taking plate moves to the end part of the storing and taking box, then the third telescopic rod extends to push the clamping piece, the clamping pieces at the two ends clamp the culture dish, then the first motor overturns to move the movable block again, meanwhile, the second telescopic rod stretches to adjust the height of the material taking plate, so that the material taking plate moves to the position corresponding to the culture tank, the second motor rotates to adjust the orientation of the material taking plate, so that the culture dish enters the interior of the culture tank, then the second telescopic rod extends to enable the inner hole to be sleeved on the positioning column, then the clamping piece loosens the culture dish, the automation degree is high, and the operation is convenient;

3. when the culture dish is installed in the culture tank, the reference column is pegged graft downthehole including, the fourth telescopic link extension pushes down the mounting disc, and then make the spliced pole peg graft in the connecting sleeve, the friction disc descends the laminating on the docking ring, nutrient solution is poured into the mounting disc from the conveying pipeline in, then enter into the short side pole in from the inside that the hydrojet flowed into the culture dish, the third motor rotates and to drive the mounting disc and rotate, and then make the friction disc drive the docking ring and rotate, the stirring version of bottom plate bottom can be with sample and nutrient solution homogeneous mixing, it is comparatively convenient to do benefit to the cultivation and operate.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is a view showing a structure of a movable block connection according to the present invention;

FIG. 4 is a view of the mounting plate connection structure of the present invention;

FIG. 5 is a schematic view of a positioning post according to the present invention;

FIG. 6 is a view showing the structure of a culture dish of the present invention.

In the figure: the outer box body 1, the access box 2, the outer sealing door 201, the inner sealing door 202, the inner plate 203, the first telescopic rod 204, the culture dish 3, an inner hole 301, a rotating ring 302, a cross rod 303, a butting ring 304, a vertical rod 305, a bottom plate 306, a top cover 4, a slide way 5, a movable block 6, a slide block 7, a threaded hole 8, a first motor 9, a lead screw 10, a second telescopic rod 11, a second motor 12, a material taking plate 13, a third telescopic rod 14, a clamping piece 15, an inner frame 16, a culture tank 17, a positioning column 18, a concave hole 19, a third motor 20, a connecting sleeve 21, a fourth telescopic rod 22, a mounting disc 23, a top ring 24, a material conveying pipe 25, a long side rod 26, a friction plate 27, a short side rod 28, a liquid spraying nozzle 29 and a connecting column 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a detection device for food microbiological detection usefulness, including outer box 1, the inside of outer box 1 is provided with temperature humidity control mechanism, facility (not shown in the picture) such as micro-air conditioner, the front of outer box 1 is provided with access mechanism, access mechanism is including access box 2, outer door 201 is installed to access box 2's one end, the one end of outer door 201 and access box 2's tip pass through the hinge and articulate and link to each other, be provided with the magnetic seal strip between outer door 201 and the access box 2, access box 2's the other end is provided with inner panel 203, inner panel 203 activity is pegged graft on access box 2's tip, access box 2's top is provided with inner panel 203, be connected with first telescopic link 204 between inner panel 203 and the interior door 202.

Culture dish 3 has been placed in the access mechanism, and the centre of culture dish 3 is provided with hole 301, rotates on the lateral wall of hole 301 and is provided with swivel collar 302, installs horizontal pole 303 on swivel collar 302's the lateral wall, and the bracing piece is installed to horizontal pole 303's tip, and docking ring 304 is installed on the top of bracing piece, installs two pole settings 305 on docking ring 304's the bottom surface, and bottom plate 306 is installed to the bottom of pole setting 305, installs several puddlers on bottom plate 306's the bottom surface.

The top of the outer box body 1 is connected with a top cover 4, a material taking mechanism for transferring the culture dish 3 is arranged on the top cover 4, the material taking mechanism comprises a second telescopic rod 11, the top of the second telescopic rod 11 is installed on the bottom surface of a movable block 6, sliding blocks 7 are installed on two sides of the movable block 6, a threaded hole 8 is formed in the middle of the movable block 6, a group of slide ways 5 are installed on the top cover 4, the sliding blocks 7 are located in the slide ways 5 to slide, a first motor 9 is further installed on the top cover 4, the output end of the first motor 9 is connected with a lead screw 10, the lead screw 10 penetrates through the movable block 6, and the lead screw 10 is in matched connection with the threaded hole 8; second motor 12 is installed to the bottom of second telescopic link 11, and the output of second motor 12 is connected with gets flitch 13, and the one end of getting flitch 13 is provided with the breach, and a third telescopic link 14 is respectively installed at the incision both ends, and the end connection of third telescopic link 14 has clamping piece 15.

Inner frames 16 are arranged on the inner walls of two sides of the outer box body 1, a culture mechanism convenient for feeding is arranged on the inner frames 16, the culture mechanism comprises a culture tank 17 arranged on the inner frames 16, a positioning column 18 is arranged on the bottom surface of the culture tank 17, a recessed hole 19 is arranged on the positioning column 18, a third motor 20 is arranged in the recessed hole 19, the output end of the third motor 20 is connected with a connecting sleeve 21, a fourth telescopic rod 22 is arranged on the top surface of the culture tank 17, a mounting plate 23 is arranged below the fourth telescopic rod 22, a group of long side rods 26 and a group of short side rods 28 are arranged on the side wall of the mounting plate 23, a friction plate 27 is arranged on the bottom surface of the end part of each long side rod 26, a liquid spray nozzle 29 is arranged on the bottom surface of the end part of each short side rod 28, the interior of the mounting plate 23 is of a hollow structure, the short side rods 28 are also of a hollow structure and communicated with the mounting plate 23, a connecting column 30 is arranged on the bottom surface of the mounting plate 23, the last surface rotation of mounting disc 23 installs top ring 24, and top ring 24 imbeds the top surface of mounting disc 23, and top ring 24's lateral wall is seted up flutedly, and in the top surface embedding top ring 24 lateral walls of mounting disc 23, and the junction is provided with the sealing washer, and top ring 24 and fourth telescopic link 22 position relatively fixed install conveying pipeline 25 on the top ring 24.

According to the detection device for detecting the food microorganisms, a sample to be detected is placed in the culture dish 3, the outer sealing door 201 is opened, the culture dish 3 is placed in the access box 2, the outer sealing door 201 is closed, the inner sealing door 202 is lifted up by the first telescopic rod 204, the culture dish 3 can be movably placed in the culture groove 17 due to the arrangement of the material taking mechanism, the communication of air in the outer box body 1 and air in the outer box body 1 is less when the culture dish 3 is accessed, and the influence on the internal culture environment is avoided; when the culture dish 3 is placed, the first motor 9 is started to drive the screw rod 10, the screw rod 10 rotates to cause the movable block 6 to move, the material taking plate 13 is further made to move to the end portion of the storage box 2, then the third telescopic rod 14 extends to push the clamping piece 15, the clamping pieces 15 at two ends clamp the culture dish 3, then the first motor 9 is turned over to move the movable block 6 again, meanwhile, the second telescopic rod 11 extends and retracts to adjust the height of the material taking plate 13, the material taking plate 13 is further moved to the position corresponding to the culture groove 17, the second motor 12 rotates to adjust the orientation of the material taking plate 13, the culture dish 3 enters the interior of the culture groove 17, then the second telescopic rod 11 extends to enable the inner hole 301 to be sleeved on the positioning column 18, then the clamping piece 15 loosens the culture dish 3, the automation degree is high, and the operation is convenient; when installing in culture tank 17 at culture dish 3, reference column 18 is pegged graft in hole 301, the extension of fourth telescopic link 22 pushes down mounting disc 23, and then make spliced pole 30 peg graft in adapter sleeve 21, friction disc 27 descends the laminating on butt joint ring 304, nutrient solution is injected into in mounting disc 23 from conveying pipeline 25, then enter into the inside that flows into culture dish 3 from hydrojet nozzle 29 in short side pole 28, third motor 20 rotates and to drive mounting disc 23 and rotates, and then make friction disc 27 drive butt joint ring 304 rotate, the stirring version of bottom plate 306 bottom can be with sample and nutrient solution homogeneous mixing, it is comparatively convenient to do benefit to the cultivation and operate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A detection device for food microorganism detection, including outer box (1), its characterized in that: the front of outer box (1) is provided with access mechanism, culture dish (3) have been placed in the access mechanism, the top of outer box (1) is connected with top cap (4), be provided with the feeding agencies who is used for shifting culture dish (3) on top cap (4), be provided with inner tower (16) on the both sides inner wall of outer box (1), be provided with the cultivation mechanism of being convenient for throw the material on inner tower (16).

2. The detecting unit for detecting microorganisms in food according to claim 1, wherein: the access mechanism comprises an access box (2), an outer sealing door (201) is installed at one end of the access box (2), one end of the outer sealing door (201) is hinged to the end of the access box (2) through a hinge, a magnetic sealing strip is arranged between the outer sealing door (201) and the access box (2), an inner plate (203) is arranged at the other end of the access box (2), the inner plate (203) is movably inserted into the end of the access box (2), the inner plate (203) is arranged above the access box (2), and a first telescopic rod (204) is connected between the inner plate (203) and the inner sealing door (202).

3. The detecting unit for detecting microorganisms in food according to claim 1, wherein: the middle of culture dish (3) is provided with hole (301), rotates on the lateral wall of hole (301) and is provided with swivel becket (302), installs horizontal pole (303) on the lateral wall of swivel becket (302), and the bracing piece is installed to the tip of horizontal pole (303), and butt joint ring (304) are installed on the top of bracing piece, installs two pole settings (305) on the bottom surface of butt joint ring (304), and bottom plate (306) are installed to the bottom of pole setting (305), installs several puddlers on the bottom surface of bottom plate (306).

4. The detecting unit for detecting microorganisms in food according to claim 1, wherein: the material taking mechanism comprises a second telescopic rod (11), the top of the second telescopic rod (11) is installed on the bottom surface of the movable block (6), sliding blocks (7) are installed on two sides of the movable block (6), and a threaded hole (8) is formed in the middle of the movable block (6).

5. The detecting unit for detecting microorganisms in food according to claim 4, wherein: the bottom of second telescopic link (11) is installed second motor (12), and the output of second motor (12) is connected with gets flitch (13), and the one end of getting flitch (13) is provided with the breach, and a third telescopic link (14) are respectively installed at the incision both ends, and the end connection of third telescopic link (14) has clamping piece (15).

6. The detecting unit for detecting microorganisms in food according to claim 1, wherein: install a set of slide (5) on top cap (4), slider (7) are located slide (5) and slide, still install first motor (9) on top cap (4), and the output of first motor (9) is connected with lead screw (10), and lead screw (10) run through movable block (6), and lead screw (10) and screw hole (8) cooperation are connected.

7. The detecting unit for detecting microorganisms in food according to claim 1, wherein: the cultivation mechanism comprises a cultivation tank (17) arranged on an inner frame (16), a positioning column (18) is installed on the bottom surface of the cultivation tank (17), a sunken hole (19) is formed in the positioning column (18), a third motor (20) is installed inside the sunken hole (19), and an output end of the third motor (20) is connected with a connecting sleeve (21).

8. The detecting unit for detecting microorganisms in food according to claim 7, wherein: fourth telescopic link (22) are installed to the top surface of culture tank (17), and the below of fourth telescopic link (22) is provided with mounting disc (23), installs a set of long side pole (26) and a set of short side pole (28) on the lateral wall of mounting disc (23), installs friction disc (27) on the bottom surface of long side pole (26) tip, installs on the bottom surface of short side pole (28) tip hydrojet mouth (29), installs spliced pole (30) on the bottom surface of mounting disc (23).

9. The detecting unit for detecting microorganisms in food according to claim 8, wherein: the upper surface of the mounting disc (23) is rotatably provided with a top ring (24), and the top ring (24) is provided with a material conveying pipe (25).