CN219179368U - Mycotoxin rapid quantitative detector - Google Patents

Abstract

The utility model provides a rapid quantitative mycotoxin detector, which belongs to the technical field of mycotoxin detection and comprises a detection table, wherein one side of the detection table is fixedly connected with a fixed arm, the top of the fixed arm is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a rotating shaft, the middle part of the detection table is fixedly connected with a support column, the support column is rotationally connected with the rotating shaft, a centrifugal disc is fixedly connected on the rotating shaft, both ends of the centrifugal disc are fixedly connected with a mounting cylinder, and a first test tube and a second test tube are respectively arranged in the mounting cylinder. The mycotoxin rapid quantitative detector is simple in structure, can rapidly and effectively detect mycotoxin in food samples on one set of device, avoids different steps of operation on the food samples by using a plurality of devices manually, saves space and improves overall working efficiency.

Description

Mycotoxin rapid quantitative detector

Technical Field

The utility model belongs to the technical field of mycotoxin detection, and particularly relates to a rapid quantitative mycotoxin detector.

Background

Mycotoxins, which are the products of toxic metabolism produced by toxic fungi under suitable environmental conditions, are widely found in grain and oil foods and feeds, and are one of the most dangerous food pollutants that naturally occur. According to the estimation of the grain and agriculture organization of the united nations, about 25% of agricultural products are polluted by mycotoxins every year, and the annual grain and food losses reach 10 hundred million tons. In China, the pollution condition of mycotoxins is also optimistic, and mycotoxin pollution is even one of important limiting factors for sustainable development of agriculture, which seriously threatens the health of human beings and animals. The detection method of mycotoxin content in food is always key to restrict the research progress of mycotoxin and human diseases, and the conventional typical detection method of mycotoxin comprises the following steps: high performance liquid chromatography, thin layer chromatography, capillary electrophoresis, liquid chromatography, etc. With the advancement of technology, other detection methods, such as photochemical derivatization-high pressure liquid chromatography, electrochemical derivatization-high pressure liquid chromatography, fluorescence photometry, liquid chromatography-triple tandem quadrupole mass spectrometry, etc., have also been derived.

However, in a specific operation process, firstly, a food sample is required to be crushed, a certain amount of crushed food sample is weighed and added with an extracting solution to be mixed for preparing sample liquid, then, sample diluents of different toxoids are taken and fully mixed with the sample liquid, and then, the mixed liquid is dripped on a detection test strip, and finally, the detection is carried out through a detector. The whole operation process is complex, and different devices and instruments are needed to be adopted manually to perform operations of different steps, so that the overall efficiency is low.

Disclosure of Invention

The utility model aims to provide a rapid quantitative detector for mycotoxin, and aims to solve the problem of low quantitative detection efficiency of mycotoxin in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mycotoxin quick quantitative determination appearance, includes the detection platform, one side fixedly connected with fixed arm of detection platform, the first motor of top fixedly connected with of fixed arm, the output shaft fixedly connected with pivot of first motor, the middle part fixedly connected with support column of detection platform, the support column rotates with the pivot to be connected, fixedly connected with centrifugation dish in the pivot, the equal fixedly connected with installation section of thick bamboo in both ends of centrifugation dish, the inside of installation section of thick bamboo is provided with first test tube and second test tube respectively, the equal fixedly connected with discharging pipe in bottom of first test tube and second test tube, the top of discharging pipe is provided with the solenoid valve, be provided with sample mixing dish on the support column, be circumference distribution has the third test tube on the sample mixing dish, the bottom opening inside of third test tube is provided with the chock, be provided with the vibration mechanism who is used for driving sample mixing dish on the support column, be provided with the recess on the upper surface of detection platform.

As one preferable mode of the utility model, the vibration mechanism comprises a fixed disc fixedly connected with the support column, a spiral spring is fixedly connected to the upper surface of the fixed disc, the top of the spiral spring is fixedly connected with the sample mixing disc, a second motor is fixedly connected to the sample mixing disc, and a cam block is fixedly connected to an output shaft of the second motor.

Preferably, the plurality of the spiral springs are circumferentially distributed between the sample mixing disc and the fixed disc.

As one preferable aspect of the utility model, the top of each of the first test tube and the second test tube is provided with a cover.

Preferably, the first test tube and the second test tube are both connected to the discharge tube by screw threads.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the mycotoxin rapid quantitative detector, a centrifugal disc, a sample mixing disc and a detection table are sequentially arranged from high to low, a motor is utilized to drive the centrifugal disc to rotate so as to fully mix food samples and extracting solutions in a first test tube and a second test tube, and then mixed sample liquid can flow into a third test tube on the sample mixing disc due to the action of gravity; sample liquid carries out intensive mixing with the sample diluent of different toxoids in the second test tube, then the mixed liquid sample that waits that forms detects through the third liquid outlet drip of third test tube bottom to the detection test strip on the test bench, makes instrument simple structure, can form quick effectual detection to mycotoxin in the food sample on one set of device, has avoided the manual work to use a plurality of devices to carry out the operation of different steps to the food sample, has saved the space, has improved holistic work efficiency.

2. According to the mycotoxin rapid quantitative detector, the vibration mechanism is arranged, so that samples on the sample mixing disc can be rapidly mixed, the samples are more uniformly mixed, the detection efficiency is improved, and the popularization and the use are facilitated.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a vibration mechanism according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a first cuvette and a mounting section according to the present utility model.

In the figure: 1. a detection table; 2. a fixed arm; 3. a first motor; 4. a rotating shaft; 5. a centrifugal disc; 6. a mounting cylinder; 7. a first test tube; 8. a second test tube; 9. a cover body; 10. a discharge pipe; 11. an electromagnetic valve; 12. a support column; 13. a sample mixing tray; 14. a third test tube; 15. a second motor; 16. a cam block; 17. a groove; 18. a chock; 19. a fixed plate; 20. a coil spring.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a mycotoxin quick quantitative determination appearance, including detecting platform 1, one side fixedly connected with fixed arm 2 of detecting platform 1, the top fixedly connected with first motor 3 of fixed arm 2, the output shaft fixedly connected with pivot 4 of first motor 3, the middle part fixedly connected with support column 12 of detecting platform 1, support column 12 and pivot 4 rotate to be connected, fixedly connected with centrifugal disk 5 in the pivot 4, the equal fixedly connected with mounting cylinder 6 in both ends of centrifugal disk 5, the inside of mounting cylinder 6 is provided with first test tube 7 and second test tube 8 respectively, the equal fixedly connected with discharging pipe 10 in the bottom of first test tube 7 and second test tube 8, the top of discharging pipe 10 is provided with solenoid valve 11, be provided with sample mixing disk 13 on the support column 12, be circumference distribution has third test tube 14 on the sample mixing disk 13, the bottom opening inside of third test tube 14 is provided with chock 18, be provided with the vibration mechanism that is used for driving sample mixing disk 13 on the support column 12, be provided with recess 17 on the upper surface of detecting platform 1.

In the specific embodiment of the utility model, crushed food samples and matched doses of extracting solution are added into a first test tube 7, and the mixture is slightly and uniformly shaken; then adding clear water equivalent to the total mass of the food sample and the extracting solution into a second test tube 8, and then respectively placing the first test tube 7 and the second test tube 8 in a mounting cylinder 6 on the opposite side of the centrifugal disc 5 for fixing; then, taking a plurality of third test tubes 14, adding sample diluents with set doses of different toxoids into the third test tubes 14 respectively, and placing the third test tubes 14 in through holes on a sample mixing disc 13 for fixation, so that the preparation in the earlier stage is completed; in the subsequent operation process, the first motor 3 is controlled by the central controller to continuously rotate for a certain time at a certain rotation speed, so that the food samples in the first test tube 7 and the second test tube 8 and the extracting solution are fully mixed to form sample liquid, then the first motor 3 is controlled to rotate, the first test tube 7 and the second test tube 8 filled with the sample liquid are opposite to one of the third test tubes 14, the electromagnetic valve 11 is controlled to be opened, a preset amount of sample liquid flows out of the third test tubes 14 to be mixed with sample dilution corresponding to toxins, and then the electromagnetic valve 11 is closed. Repeating the above operations allows a predetermined amount of sample liquid to be added to each of the third test tubes 14 on the sample mixing tray 13,

the sample liquid added in each third test tube 14 is fully mixed with the sample diluent of the corresponding toxoid by utilizing the vibration mechanism to form a liquid sample to be detected, then the plug block 18 at the bottom of the third test tube 14 is taken off, so that the liquid sample to be detected is dripped onto the detection test strip on the detection table 1, the detection test strip is positioned in the groove 17, and finally the detector of the detection table 1 is started, so that the liquid sample to be detected can be smoothly detected. Simple structure can form quick effectual detection to mycotoxin in the food sample on a set of device, has avoided the manual work to use a plurality of devices to carry out the operation of different steps to the food sample, has saved the space, has improved holistic work efficiency.

Specifically, the vibration mechanism comprises a fixed disc 19 fixedly connected with the support column 12, a spiral spring 20 is fixedly connected to the upper surface of the fixed disc 19, the top of the spiral spring 20 is fixedly connected with the sample mixing disc 13, a second motor 15 is fixedly connected to the sample mixing disc 13, and a cam block 16 is fixedly connected to an output shaft of the second motor 15.

In this embodiment: the output shaft of the second motor 15 is utilized to drive the cam block 16 to rotate, and the unbalance of the cam block 16 causes the sample mixing disk 13 to vibrate, so that the sample liquid added in each third test tube 14 is fully mixed with the sample diluent of the corresponding toxoid to form a liquid sample to be detected.

Specifically, there are a plurality of coil springs 20, and the plurality of coil springs 20 are circumferentially distributed between the sample mixing disk 13 and the fixed disk 19.

In this embodiment: by providing the coil springs 20 in a circumferential distribution, the force applied to the sample mixing disk 13 is more uniform.

Specifically, the top of the first test tube 7 and the second test tube 8 are both provided with a cover 9.

In this embodiment: the top of the first test tube 7 and the second test tube 8 are sealed by the cover 9, so that liquid in the first test tube and the second test tube is prevented from splashing in the rotating process.

Specifically, the first test tube 7 and the second test tube 8 are both in threaded connection with the discharge tube 10.

In this embodiment: through setting up threaded connection's discharging pipe 10, make its dismouting convenient and fast more, be favorable to using widely.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a mycotoxin quick quantitative determination appearance, includes detection platform (1), its characterized in that: one side fixedly connected with fixed arm (2) of test bench (1), the top fixedly connected with first motor (3) of fixed arm (2), the output shaft fixedly connected with pivot (4) of first motor (3), the middle part fixedly connected with support column (12) of test bench (1), support column (12) are connected with pivot (4) rotation, fixedly connected with centrifugation dish (5) in pivot (4), the equal fixedly connected with installation section of thick bamboo (6) in both ends of centrifugation dish (5), the inside of installation section of thick bamboo (6) is provided with first test tube (7) and second test tube (8) respectively, the equal fixedly connected with discharging pipe (10) in bottom of first test tube (7) and second test tube (8), the top of discharging pipe (10) is provided with solenoid valve (11), be provided with sample mixing dish (13) on support column (12), be circumference distribution has third (14) on sample mixing dish (13), the inside stopper (18) that is provided with in bottom opening of third test tube (14), it is provided with vibration table (17) on the support column (13) to drive test bench (17).

2. The rapid quantitative mycotoxin detector of claim 1, wherein: the vibration mechanism comprises a fixed disc (19) fixedly connected with a support column (12), a spiral spring (20) is fixedly connected to the upper surface of the fixed disc (19), the top of the spiral spring (20) is fixedly connected with a sample mixing disc (13), a second motor (15) is fixedly connected to the sample mixing disc (13), and a cam block (16) is fixedly connected to an output shaft of the second motor (15).

3. The rapid quantitative mycotoxin detector of claim 2, wherein: the spiral springs (20) are a plurality of, and the plurality of spiral springs (20) are circumferentially distributed between the sample mixing disc (13) and the fixing disc (19).

4. The rapid quantitative mycotoxin detector of claim 1, wherein: the tops of the first test tube (7) and the second test tube (8) are respectively provided with a cover body (9).

5. The rapid quantitative mycotoxin detector of claim 1, wherein: the first test tube (7) and the second test tube (8) are in threaded connection with the discharging tube (10).

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