CN110954485A - Food additive rapid detection device and use method - Google Patents
Food additive rapid detection device and use method Download PDFInfo
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- CN110954485A CN110954485A CN201911322500.6A CN201911322500A CN110954485A CN 110954485 A CN110954485 A CN 110954485A CN 201911322500 A CN201911322500 A CN 201911322500A CN 110954485 A CN110954485 A CN 110954485A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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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
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Abstract
The invention relates to a rapid detection device for a food additive, which comprises a bearing base, spectrophotometers, peristaltic pumps, detection tubes, driving pumps, a solvent tank and prefabricated tanks, wherein the upper end surface of the bearing base is communicated with a plurality of prefabricated tanks, the driving pumps, the peristaltic pumps and at least one spectrophotometer, each prefabricated tank is communicated with the solvent tank through one driving pump and is communicated with one detection tube through one driving pump, and the detection tubes are embedded in the spectrophotometers and are connected in parallel. The detection method comprises three steps of equipment prefabrication, sample preparation, detection operation and the like. On one hand, the invention has simple structure, high integrated modularization degree and good universality, and can effectively meet the requirements of detection operation of different types of food and additives in the food; the other party greatly improves the detection efficiency, reduces the detection operation cost and the labor intensity and also greatly improves the precision of the detection operation.
Description
Technical Field
The invention relates to a rapid detection device for a food additive and a using method thereof, belonging to the technical field of food detection.
Background
At present, in order to improve the safety of food production and eating, the types and the content of additives added into food need to be accurately and conveniently detected, and according to the requirement, although various special devices for detecting food additives exist currently, the detection devices are often complex in structure and high in operation difficulty, and colleagues cannot flexibly adjust the device structure according to the requirement of detection operation in the detection process so as to meet the requirement of detection of different types of food grade additives, so that the flexibility and the reliability of detection operation are greatly influenced.
Therefore, in order to solve the problem, it is urgently needed to develop a brand-new additive detection device and a use method thereof so as to meet the requirement of practical use.
Disclosure of Invention
The invention aims to overcome the defects and provides a rapid detection device for food additives and a using method thereof.
In order to realize the purpose, the invention is realized by the following technical scheme:
a fast detection device for food additives comprises a bearing base, a spectrophotometer, a peristaltic pump, detection tubes, driving pumps, solvent tanks, prefabricated tanks and a control circuit, wherein the bearing base is of a plate-shaped structure with a rectangular cross section, the upper end surface of the bearing base is connected with a plurality of prefabricated tanks, driving pumps, peristaltic pumps and at least one spectrophotometer, the prefabricated tanks are connected in parallel, each prefabricated tank is communicated with the solvent tank through one driving pump and is communicated with one detection tube through one driving pump, at least one solvent tank is connected with the side surface of the bearing base, a plurality of detection tubes are embedded in the spectrophotometer and are connected in parallel, the control circuit is connected with the upper end surface of the bearing base and is respectively and electrically connected with the spectrophotometer, the peristaltic pump and the prefabricated tanks, the prefabricated tanks comprise tank bodies, sealing covers and ultrasonic transducers, the tank bodies are of U-shaped cross section, the upper end face and the sealing cover form a closed cavity structure, two flow guide ports are formed in the side surface of the tank body and are respectively connected with the driving pump and the peristaltic pump through the flow guide ports, at least two ultrasonic transducers surround the axis of the tank body and are uniformly distributed on the inner surface of the side wall of the tank body, and the axis of each ultrasonic transducer is intersected with the axis of the tank body.
Furthermore, the upper end face of the bearing base is in sliding connection with the prefabricated groove, the driving pump, the peristaltic pump and the spectrophotometer through sliding grooves, and the bearing base is connected with at least one solvent tank through a clamping groove.
Furthermore, the clamping grooves are hinged with the side surface of the bearing base through a rotary table mechanism, the clamping grooves and the solvent tanks are coaxially distributed, and the axial line of the clamping grooves and the upper end surface of the bearing base form an included angle of 0-90 degrees.
Furthermore, the transmittance of the detection tube is not less than 90% and is a cylindrical closed cavity structure, the axis of the detection tube is parallel to the horizontal plane, the front end surface of the detection tube is provided with a conveying port, the rear end surface of the detection tube is provided with a sewage discharge port, the conveying port is communicated with the peristaltic pump, and the sewage discharge port is provided with a control valve.
Furthermore, the control valve is located outside the spectrophotometer, a sewage pump is arranged on the upper end face of the bearing base corresponding to the control valve, the sewage pump is respectively connected with the control valves through guide pipes, and the control valves and the sewage pump are electrically connected with the control circuit.
Furthermore, the control circuit is a circuit system based on any one of a DSP chip and an FPGA chip.
A detection method of a food additive rapid detection device comprises the following steps:
s1, performing equipment preparation, namely selecting corresponding solvents according to the characteristics of the food to be detected and target additives contained in the food, and storing the solvents in a solvent tank for later use;
s2, preparing samples, after S1 is completed, selecting a plurality of samples from the food to be detected, adding the selected samples into each prefabricated groove, driving a driving pump to operate, conveying corresponding solvents into each prefabricated groove, soaking the food samples to be detected in the prefabricated grooves for 1-5 minutes, fully soaking and mixing the solvents and the food sample to be detected by an ultrasonic transducer in the soaking process, and standing for 10-30 minutes for later use;
and S3, after the step S2 is completed, the peristaltic pumps respectively convey the settled clear liquid of each prefabricated tank to corresponding detection tubes in the spectrophotometer, then the spectrophotometer respectively detects the liquid in each detection tube, and the purpose of identifying and judging the types of the liquid additives in the detection tubes is achieved according to the absorption rate of the liquid in the detection tubes to light waves with specific wavelengths.
Further, in the case where two or more solvents are used in the step S1, the solvents are stored in separate solvent tanks.
Further, in the step S2, the volume of the solvent added to each preparation tank is 2 to 5 times of the volume of the food sample to be detected in the preparation tank.
On one hand, the invention has simple structure, high integrated modularization degree and good universality, and can flexibly adjust the equipment mechanism according to the use requirement, thereby effectively meeting the requirements of detection operation of additives in different types of food and food; on the other hand, the operation is convenient, the automation degree of the detection operation is high, the detection efficiency is greatly improved, the detection operation cost and the labor intensity are reduced, and meanwhile, the precision of the detection operation is also greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a part of the structure of a pregroove;
FIG. 3 is a partial structural view of a detection tube;
FIG. 4 is a flow chart of a method of practicing the present invention.
Detailed Description
As shown in figures 1-3, a food additive rapid detection device comprises a bearing base 1, a spectrophotometer 2, a peristaltic pump 3, a detection tube 4, a driving pump 5, a solvent tank 6, a prefabricated tank 7 and a control circuit 8, wherein the bearing base 1 is of a plate-shaped structure with a rectangular cross section, the upper end surface of the bearing base 1 is connected with a plurality of prefabricated tanks 7, the driving pump 5, the peristaltic pump 3 and at least one spectrophotometer 2, the prefabricated tanks 7 are connected in parallel, each prefabricated tank 7 is communicated with the solvent tank 6 through one driving pump 5 and is communicated with one detection tube 4 through one driving pump 5, at least one solvent tank 6 is connected with the side surface of the bearing base 1, a plurality of detection tubes 4 are embedded in the spectrophotometer 2 and are connected in parallel, the control circuit 8 is connected with the upper end surface of the bearing base 1 and is electrically connected with the spectrophotometer 2, the peristaltic pump 3 and the prefabricated tanks 7 respectively, and the prefabricated tanks 7 comprise tank bodies 71, The transverse section of the groove body 71 is in a U-shaped groove-shaped structure, the upper end face of the groove body 71 and the sealing cover 72 form a closed cavity structure, two flow guide ports 74 are formed in the side surface of the groove body 71 and are respectively connected with the driving pump 5 and the peristaltic pump 3 through the flow guide ports 74, at least two ultrasonic transducers 73 are uniformly distributed on the inner surface of the side wall of the groove body 71 around the axis of the groove body 71, and the axis of each ultrasonic transducer 73 is intersected with the axis of the groove body 71.
The device comprises a bearing base 1, a prefabricated groove 7, a driving pump 5, a peristaltic pump 3 and a spectrophotometer 2, wherein the bearing base 1 is in sliding connection with the prefabricated groove 7, the driving pump 5, the peristaltic pump 3 and the spectrophotometer 2 through a sliding groove 9, the bearing base 1 is connected with at least one solvent tank 6 through a clamping groove 10, the clamping groove 10 is hinged with the side surface of the bearing base 1 through a rotary table mechanism 11, the clamping groove 10 and the solvent tank 6 are coaxially distributed, and the axis of the clamping groove and the upper end surface of the bearing base 1 form an included angle of 0-90 degrees.
It should be noted that the transmittance of the detection tube 4 is not less than 90% and is a cylindrical sealed cavity structure, the axis of the detection tube is parallel to the horizontal plane, the front end face of the detection tube 4 is provided with a delivery port 41, the rear end face of the detection tube is provided with a sewage outlet 42, the delivery port 41 is communicated with the peristaltic pump 3, and the sewage outlet 42 is provided with a control valve 43.
Preferably, the control valve 43 is located outside the spectrophotometer 2, a sewage pump 44 is arranged on the upper end face of the bearing base 1 corresponding to the control valve 43, the sewage pump 44 is respectively connected with the control valves 43 through guide pipes, and the control valves 43 and the sewage pump 44 are both electrically connected with the control circuit 8.
In this embodiment, the control circuit 8 is a circuit system based on any one of a DSP chip and an FPGA chip.
As shown in fig. 4, a detection method of a food additive rapid detection device includes the following steps:
s1, performing equipment preparation, namely selecting corresponding solvents according to the characteristics of the food to be detected and target additives contained in the food, and storing the solvents in a solvent tank for later use;
s2, preparing samples, after S1 is completed, selecting a plurality of samples from the food to be detected, adding the selected samples into each prefabricated groove, driving a driving pump to operate, conveying corresponding solvents into each prefabricated groove, soaking the food samples to be detected in the prefabricated grooves for 1-5 minutes, fully soaking and mixing the solvents and the food sample to be detected by an ultrasonic transducer in the soaking process, and standing for 10-30 minutes for later use;
and S3, detecting, namely after the step S2 is completed, respectively conveying the clarified liquid after the standing of each prefabricated tank into corresponding detection tubes in a spectrophotometer by a peristaltic pump, then respectively detecting the liquid in each detection tube by the spectrophotometer, and achieving the purpose of identifying and judging the types of the liquid additives in the detection tubes according to the absorption rate of the liquid in the detection tubes to light waves with specific wavelengths.
In the case where two or more solvents are used in the step S1, the solvents are stored in separate solvent tanks.
Meanwhile, in the step S2, the volume of the solvent added to each preparation tank is 2 to 5 times of the volume of the food sample to be detected in the preparation tank.
On one hand, the invention has simple structure, high integrated modularization degree and good universality, and can flexibly adjust the equipment mechanism according to the use requirement, thereby effectively meeting the requirements of detection operation of additives in different types of food and food; on the other hand, the operation is convenient, the automation degree of the detection operation is high, the detection efficiency is greatly improved, the detection operation cost and the labor intensity are reduced, and meanwhile, the precision of the detection operation is also greatly improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A food additive short-term test device which characterized in that: the fast detection device for the food additives comprises a bearing base, a spectrophotometer, a peristaltic pump, detection tubes, driving pumps, a solvent tank, prefabricated tanks and a control circuit, wherein the bearing base is of a plate-shaped structure with a rectangular cross section, the upper end surface of the bearing base is connected with a plurality of prefabricated tanks, driving pumps, peristaltic pumps and at least one spectrophotometer, the prefabricated tanks are connected in parallel, each prefabricated tank is communicated with the solvent tank through one driving pump and is communicated with one detection tube through one driving pump, at least one solvent tank is connected with the side surface of the bearing base, a plurality of detection tubes are embedded in the spectrophotometer and are connected in parallel, the control circuit is connected with the upper end surface of the bearing base and is respectively and electrically connected with the spectrophotometer, the peristaltic pump and the prefabricated tanks, the prefabricated tanks comprise tank bodies, sealing covers and ultrasonic transducers, and the tank bodies are of U-shaped groove-shaped structures, the upper end face and the sealing cover form a closed cavity structure, two flow guide ports are formed in the side surface of the tank body and are respectively connected with the driving pump and the peristaltic pump through the flow guide ports, at least two ultrasonic transducers surround the axis of the tank body and are uniformly distributed on the inner surface of the side wall of the tank body, and the axis of each ultrasonic transducer is intersected with the axis of the tank body.
2. The rapid food additive detection device of claim 1, wherein: the bearing base is connected with the prefabricated groove, the driving pump, the peristaltic pump and the spectrophotometer in a sliding mode through sliding grooves, and the bearing base is connected with at least one solvent tank through a clamping groove.
3. The rapid detection device for food additives according to claim 2, characterized in that: the clamping grooves are hinged with the side surface of the bearing base through a rotary table mechanism, the clamping grooves and the solvent tanks are coaxially distributed, and the axial line of the clamping grooves and the upper end surface of the bearing base form an included angle of 0-90 degrees.
4. The rapid food additive detection device of claim 1, wherein: the transmittance of the detection tube is not less than 90% and the detection tube is of a cylindrical closed cavity structure, the axis of the detection tube is parallel to the horizontal plane, the front end face of the detection tube is provided with a conveying port, the rear end face of the detection tube is provided with a sewage discharge port, the conveying port is communicated with the peristaltic pump, and the sewage discharge port is provided with a control valve.
5. The rapid detection device for food additives according to claim 4, characterized in that: the control valve be located the spectrophotometer outside, and the bearing base up end that the control valve corresponds establishes a dredge pump, the dredge pump passes through the honeycomb duct and is connected with each control valve respectively, control valve and dredge pump all with control circuit electrical connection.
6. The rapid food additive detection device of claim 1, wherein: the control circuit is a circuit system based on any one of a DSP chip and an FPGA chip.
7. The detection method of the food additive rapid detection device according to claim 1, wherein: the detection method comprises the following steps:
s1, performing equipment preparation, namely selecting corresponding solvents according to the characteristics of the food to be detected and target additives contained in the food, and storing the solvents in a solvent tank for later use;
s2, preparing samples, after S1 is completed, selecting a plurality of samples from the food to be detected, adding the selected samples into each prefabricated groove, driving a driving pump to operate, conveying corresponding solvents into each prefabricated groove, soaking the food samples to be detected in the prefabricated grooves for 1-5 minutes, fully soaking and mixing the solvents and the food sample to be detected by an ultrasonic transducer in the soaking process, and standing for 10-30 minutes for later use;
and S3, after the step S2 is completed, the peristaltic pumps respectively convey the settled clear liquid of each prefabricated tank to corresponding detection tubes in the spectrophotometer, then the spectrophotometer respectively detects the liquid in each detection tube, and the purpose of identifying and judging the types of the liquid additives in the detection tubes is achieved according to the absorption rate of the liquid in the detection tubes to light waves with specific wavelengths.
8. The detection method of the food additive rapid detection device according to claim 7, wherein: in the case where two or more solvents are used in the step S1, the solvents are stored in separate solvent tanks.
9. The detection method of the food additive rapid detection device according to claim 7, wherein: in step S2, the volume of the solvent added to each preparation tank is 2-5 times the volume of the food sample to be tested in the preparation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322500.6A CN110954485A (en) | 2019-12-20 | 2019-12-20 | Food additive rapid detection device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322500.6A CN110954485A (en) | 2019-12-20 | 2019-12-20 | Food additive rapid detection device and use method |
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| CN110954485A true CN110954485A (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911322500.6A Withdrawn CN110954485A (en) | 2019-12-20 | 2019-12-20 | Food additive rapid detection device and use method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945874A (en) * | 2021-01-26 | 2021-06-11 | 方少君 | High-intelligent molecular spectrum food fast detector |
| CN113667593A (en) * | 2021-07-26 | 2021-11-19 | 南偲生物科技(南京)有限公司 | Fluorescence in situ hybridization system and method for detecting HER2 gene |
-
2019
- 2019-12-20 CN CN201911322500.6A patent/CN110954485A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945874A (en) * | 2021-01-26 | 2021-06-11 | 方少君 | High-intelligent molecular spectrum food fast detector |
| CN112945874B (en) * | 2021-01-26 | 2024-01-05 | 北京顺鑫石门检测技术有限责任公司 | High intelligent molecular spectrum food quick detector |
| CN113667593A (en) * | 2021-07-26 | 2021-11-19 | 南偲生物科技(南京)有限公司 | Fluorescence in situ hybridization system and method for detecting HER2 gene |
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