CN215985755U

CN215985755U - Pesticide residue check out test set

Info

Publication number: CN215985755U
Application number: CN202122502098.9U
Authority: CN
Inventors: 杨金川; 毕珊
Original assignee: Guizhou Center For Disease Control And Prevention; Guizhou Product Quality Inspection And Testing Institute
Current assignee: Guizhou Center For Disease Control And Prevention; Guizhou Product Quality Inspection And Testing Institute
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-03-08
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a pesticide residue detection device, which relates to the technical field of pesticide residue detection and comprises a main body bracket, a buffer solution stirring mechanism, a filter, a mixed solution stirring mechanism, a reaction mechanism, a detector, a PLC (programmable logic controller), a water supply barrel and a waste liquid barrel, wherein the filter is arranged at a liquid outlet of the buffer solution stirring mechanism, the buffer solution stirring mechanism is connected with the mixed solution stirring mechanism through a pipeline, the mixed solution stirring mechanism is connected with the reaction mechanism through a pipeline, the reaction mechanism is connected with the detector through a pipeline, the water supply barrel and the waste liquid barrel are uniformly arranged at the bottom of the main body bracket, the water supply barrel is connected with the buffer solution stirring mechanism through a pipeline, the waste liquid barrel is connected with the detector through a pipeline, the buffer solution stirring mechanism, the mixed solution stirring mechanism, the reaction mechanism and the detector are all electrically connected with the PLC, convenient operation can effectively shorten the detection time.

Description

Pesticide residue check out test set

Technical Field

The utility model relates to the technical field of pesticide residue detection, in particular to pesticide residue detection equipment.

Background

With the economic development, food safety issues have been of great concern in recent years. The food safety means that the food is nontoxic and harmless, meets the existing nutritional requirements, and does not cause any acute, subacute or chronic harm to the health of human bodies. According to the definition of the food safety of Beinuo, the food safety is the public health problem that toxic and harmful substances in food have influence on human health. Food safety is also a interdisciplinary field specially discussed for ensuring food sanitation and eating safety, reducing hidden danger of diseases and preventing food poisoning in the processes of food processing, storage, sale and the like, so the food safety is very important. The activities of planting, breeding, processing, packaging, storing, transporting, selling, consuming and the like of the food (food) meet the national mandatory standards and requirements, and the hidden danger that toxic and harmful substances which may damage or threaten human health cause the death of consumers or endanger the consumers and the offspring thereof does not exist. The variety of the pesticides applied in the production field reaches more than 100, the pesticide has great effect on keeping good harvest and increasing yield in agriculture, the large amount of the pesticides is used, a great number of environmental problems are brought while the large amount of stable yield of crops such as grains is ensured, and the problem of pesticide residue is not ignored.

The traditional pesticide residue detector has the disadvantages of complex operation, long reaction time and influence on detection speed.

Therefore, a pesticide residue detection device is proposed to solve the above problems, which is simple to operate and capable of shortening the detection time and is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide pesticide residue detection equipment, in particular to pesticide residue detection equipment capable of automatically stirring and quickly reacting, so as to solve the problems.

In order to achieve the above purpose, the present invention provides a pesticide residue detection apparatus, which comprises a main support, a buffer solution stirring mechanism, a detection enzyme release mechanism, a mixed solution stirring mechanism, a color developing agent release mechanism, a substrate release mechanism, a reaction mechanism, a detector and a PLC controller, wherein the buffer solution stirring mechanism is connected with the mixed solution stirring mechanism through a pipeline, the buffer solution stirring mechanism comprises a stirring box, a first stirring motor, a stirring blade and a collection cage, the first stirring motor is arranged at the bottom of the stirring box, the stirring blade is arranged in the stirring box, an upright post is arranged in the stirring box, the collection cage is arranged on the upright post, the mixed solution stirring mechanism is connected with the reaction mechanism through a pipeline, the reaction mechanism is connected with the detector through a pipeline, and the buffer solution stirring mechanism, the detection enzyme release mechanism, the mixed solution stirring mechanism, the detection enzyme release mechanism, the detection cage and the PLC controller are arranged on the upright post, The color developing agent releasing mechanism, the substrate releasing mechanism, the reaction mechanism and the detector are all electrically connected with the PLC.

Furthermore, the detection enzyme release mechanism, the color developing agent release mechanism and the substrate release mechanism respectively comprise an electronic flowmeter, an electromagnetic valve and a microswitch, the electronic flowmeter is connected with the microswitch through a pipeline, and the electromagnetic valve is electrically connected with the electronic flowmeter.

Further, the device also comprises a first flow control switch, a second flow control switch and a third flow control switch, wherein the first flow control switch is arranged at the liquid outlet of the buffer solution stirring mechanism, the second flow control switch is arranged at the liquid outlet of the mixed liquid stirring mechanism, the third flow control switch is arranged at the liquid outlet of the reaction mechanism, and the first flow control switch, the second flow control switch and the third flow control switch are electrically connected with the PLC.

Further, still include water supply bucket and waste liquid bucket, water supply bucket and waste liquid bucket equipartition are arranged in main part support bottom, the water supply bucket with buffer solution rabbling mechanism tube coupling, the waste liquid bucket with detector tube coupling.

Further, still include filter and water pump, the liquid outlet at buffer solution rabbling mechanism is installed to the filter, the water pump arrange in the water supply bucket with between the buffer solution rabbling mechanism, the water pump with the PLC controller electricity is connected.

Further, the collection cage is annular, the collection cage is stainless steel, and the collection cage surface is provided with the bleeder vent.

Further, mix liquid rabbling mechanism and include mixing box, heating plate, second agitator motor and flabellum, second agitator motor arrange in on the mixing box, the flabellum sets up in the mixing box, the heating plate is arranged around the mixing box, agitator motor, heating plate all with the PLC controller electricity is connected.

Further, the reaction mechanism comprises a reaction vessel, and the third flow control switch is arranged at a liquid outlet at the bottom of the reaction vessel.

Furthermore, the refrigerator is arranged on the main body support and electrically connected with the PLC.

The utility model has the beneficial effects that: the device has the advantages that the structure is simple, the operation is convenient, the collection cage is arranged, the fruits and vegetables can be fully contacted with the buffer solution, the buffer solution stirring mechanism and the mixed solution stirring mechanism are arranged, the solution can be fully mixed, the electronic flowmeter and the micro switch are arranged, the quantitative solution can be quickly obtained, the pesticide residue detection operation steps can be simplified due to the arrangement of the PLC, and the detection time can be effectively shortened.

Drawings

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

FIG. 2 is a schematic view of a buffer stirring mechanism according to the present invention.

Wherein, 1, the main body bracket; 2. detecting an enzyme release mechanism; 3. a developer releasing mechanism; 4. a substrate release mechanism; 5. a detector; 6, a PLC controller; 7. a first flow control switch; 8. a second flow control switch; 9. a third flow control switch; 10. a water supply tank; 11. a waste liquid barrel; 12. a filter; 13. a water pump; 14. a refrigerated container; 15. a stirring box; 16. a first stirring motor; 17. a stirring fan blade; 18. collecting cages; 19. a column; 20. a mixing box; 21. a heating plate; 22. a second stirring motor; 23. a fan blade; 24. a reaction vessel.

Detailed Description

To achieve the above objects and advantages, the present invention provides a technical means and a structure thereof, which are described in detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1-2, the present invention provides a pesticide residue detection device, which comprises a main body support 1, a buffer solution stirring mechanism, a detection enzyme release mechanism 2, a mixed solution stirring mechanism, a color reagent release mechanism 3, a substrate release mechanism 4, a reaction mechanism, a detector 5 and a PLC controller 6, wherein the buffer solution stirring mechanism is arranged above the mixed solution stirring mechanism, the buffer solution stirring mechanism is connected with the mixed solution stirring mechanism through a pipeline, a first flow control switch 7 is arranged at a liquid outlet of the buffer solution stirring mechanism, the buffer solution stirring mechanism comprises a stirring box 15, a first stirring motor 16, stirring blades 17 and an acquisition cage 18, the first stirring motor 16 is arranged at the bottom of the stirring box 15, the stirring blades 17 are arranged in the stirring box 15, an upright post 19 is arranged in the stirring box 15, the acquisition cage 18 is arranged on the upright post 19, and the acquisition cage 18 is of a stainless steel annular structure, the surface is provided with air holes. The device comprises a collecting cage 18, fruits and vegetables to be detected are conveniently cleaned, a first stirring motor is arranged, buffer solution can be fully contacted with the fruits and vegetables, a mixed solution stirring mechanism is connected with a reaction mechanism through a pipeline, a second flow control switch 8 is arranged at a liquid outlet of the mixed solution stirring mechanism, the reaction mechanism is connected with a detector through a pipeline, a third flow control switch 9 is arranged at a liquid outlet of the reaction mechanism, the buffer solution stirring mechanism, a detection enzyme releasing mechanism 2, the mixed solution stirring mechanism, a color developing agent releasing mechanism 3, a substrate releasing mechanism 4, a first flow control switch 7, a second flow control switch 8, a third flow control switch 9 and a detector 5 are electrically connected with a PLC (programmable logic controller) 6, the flow control switches are arranged, and the flow of the mixed solution is conveniently controlled.

The detection enzyme release mechanism 2, the color developing agent release mechanism 3 and the substrate release mechanism 4 respectively comprise an electronic flowmeter, an electromagnetic valve and a microswitch, the electronic flowmeter is connected with the microswitch through a pipeline, the electromagnetic valve is electrically connected with the electronic flowmeter, and the electronic flowmeter and the microswitch are arranged to conveniently control the flow and improve the detection accuracy.

Mix liquid rabbling mechanism and include mixing box 20, heating plate 21, second agitator motor 22 and flabellum 23, second agitator motor 22 arranges in mixing box 20 top, flabellum 23 sets up in mixing box 20, heating plate 21 arranges around the mixing box, second agitator motor 22, heating plate 21 all are connected with 6 electricity of PLC controller, second agitator motor's setting is convenient for carry out intensive mixing to solution, the setting of heating plate has improved reaction rate, reaction time has been shortened.

Main part support 1 bottom is provided with water supply bucket 10 and waste liquid bucket 11, water supply bucket 10 and buffer solution rabbling mechanism tube coupling, buffer solution rabbling mechanism's liquid outlet is provided with filter 12, filter 12 can be treated and detect liquid and filter, avoid impurity to block up agitator tank 14, be provided with water pump 13 on water supply bucket 10 and buffer solution agitating unit's the pipeline, water pump 13 is connected with 6 electricity of PLC controller, conveniently supply water to agitator tank 15, waste

liquid bucket

11 and 5 tube couplings of detector, the water body is avoided receiving the pollution in setting up of water supply bucket 10, influence the accuracy that detects, waste liquid bucket 11's setting, a waste sample liquid that needs the processing after for collecting the detection end, make things convenient for the later stage to carry out centralized unified processing, it circulates to avoid remaining pesticide in the sample liquid to go into the water body after professional processing, cause water pollution.

The detection equipment further comprises a refrigerating box 14, the refrigerating box 14 is arranged on the main body support 1, the refrigerating box 14 is electrically connected with the PLC 6, the refrigerating box 14 is convenient to store the detection reagent, and the detection failure caused by the fact that the reaction reagent loses activity is avoided.

The operation mode of this embodiment is:

1. verifying the effectiveness of the detection enzyme

Adding a buffer solution into a buffer solution stirring mechanism, controlling a water supply barrel 10 to supply water and dilute the buffer solution by a PLC (programmable logic controller) 6, placing a detection enzyme (cholinesterase) solution on a detection enzyme release mechanism 2, respectively placing a color developing solution (dithiodinitrobenzoic acid) and a substrate (thio-acetylcholine) on a color developing agent release mechanism 3 and a substrate release mechanism 4, starting a detection device, enabling the buffer solution to flow into a mixed solution stirring mechanism from the buffer solution stirring mechanism, controlling the detection enzyme release mechanism 2 to release the detection enzyme solution into the mixed solution stirring mechanism by the PLC 6, starting stirring by the mixed solution stirring mechanism, heating the mixed solution by a heating plate 21, controlling the mixed solution to flow into a reaction vessel 24 of the reaction mechanism by the PLC 6 after stirring and heating for 3 minutes, and simultaneously controlling the color developing agent release mechanism 3 and the substrate release mechanism 4 to release quantitative color developing solution and substrate into the reaction vessel, the mixed solution flows into the detector 5, and the detector 5 detects whether the detection enzyme is effective.

2. Pesticide residue detection

Taking fruits and vegetables to be detected into an acquisition cage 18, adding a buffer solution into a buffer solution stirring mechanism, starting rotation of a stirring fan blade 17 in the buffer solution stirring mechanism, cleaning the fruits and vegetables in the acquisition cage 18 to obtain a liquid to be detected, controlling the liquid to be detected to flow into a mixing and stirring mechanism by a PLC (programmable logic controller) 6, heating and stirring the liquid to be detected and a detection enzyme in the mixing and stirring mechanism for 3 minutes, then flowing into a reaction vessel 24 of a reaction mechanism, controlling a color developing agent releasing mechanism 3 and a substrate releasing mechanism 4 to release quantitative color developing liquid and a substrate into the reaction vessel, mixing the solutions, then flowing into a detector 5, and detecting whether pesticide residue in the liquid to be detected exceeds the standard by the detector 5.

The utility model has simple structure and convenient operation, simplifies the operation steps of pesticide residue, and can effectively shorten the detection time by arranging the collecting cage, fully contacting the fruits and vegetables with the buffer solution, fully mixing the solution by arranging the buffer solution stirring mechanism and the mixed solution stirring mechanism, quickly obtaining quantitative solution by arranging the electronic flowmeter and the micro switch, simplifying the operation steps of pesticide residue detection by arranging the PLC controller, and uniformly mixing and heating the mixed solution by the stirring motor and the heating device.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a pesticide residue check out test set, its characterized in that, includes main part support, buffer solution rabbling mechanism, detects enzyme release mechanism, mixes liquid rabbling mechanism, colour development agent release mechanism, substrate release mechanism, reaction mechanism, detector and PLC controller, buffer solution rabbling mechanism and mixed liquid rabbling mechanism tube coupling, buffer solution rabbling mechanism includes agitator tank, first agitator motor, stirring fan blade and gathers the cage, first agitator motor sets up in the agitator tank bottom, stirring fan blade set up in the agitator tank, be provided with the stand in the agitator tank, it places to gather the cage on the stand, mixed liquid rabbling mechanism with reaction mechanism tube coupling, reaction mechanism with the detector tube coupling, buffer solution rabbling mechanism, detection enzyme release mechanism, mixed liquid rabbling mechanism, colour development agent release mechanism, The substrate release mechanism, the reaction mechanism and the detector are all electrically connected with the PLC.

2. The pesticide residue detection device of claim 1, wherein the detection enzyme release mechanism, the color reagent release mechanism and the substrate release mechanism each comprise an electronic flow meter, a solenoid valve and a microswitch, the electronic flow meter is connected with the microswitch through a pipeline, and the solenoid valve is electrically connected with the electronic flow meter.

3. The pesticide residue detection device according to claim 1, further comprising a first flow control switch, a second flow control switch and a third flow control switch, wherein the first flow control switch is disposed at the liquid outlet of the buffer solution stirring mechanism, the second flow control switch is disposed at the liquid outlet of the mixed liquid stirring mechanism, the third flow control switch is disposed at the liquid outlet of the reaction mechanism, and the first flow control switch, the second flow control switch and the third flow control switch are all electrically connected with a PLC controller.

4. The pesticide residue detection device of claim 1, further comprising a water supply tank and a waste liquid tank, wherein the water supply tank and the waste liquid tank are uniformly arranged at the bottom of the main body bracket, the water supply tank is connected with the buffer solution stirring mechanism through a pipeline, and the waste liquid tank is connected with the detector through a pipeline.

5. The pesticide residue detection device of claim 4, further comprising a filter and a water pump, wherein the filter is installed at the liquid outlet of the buffer solution stirring mechanism, the water pump is arranged between the water supply barrel and the buffer solution stirring mechanism, and the water pump is electrically connected with the PLC controller.

6. The pesticide residue detection device of claim 1, wherein the collection cage is annular, the collection cage is made of stainless steel, and air holes are formed in the surface of the collection cage.

7. The pesticide residue detection device of claim 1, wherein the mixed liquid stirring mechanism comprises a mixing box, a heating plate, a second stirring motor and a fan blade, the second stirring motor is arranged on the mixing box, the fan blade is arranged in the mixing box, the heating plate is arranged around the mixing box, and the stirring motor and the heating plate are both electrically connected with the PLC.

8. The pesticide residue detection device of claim 3, wherein the reaction mechanism comprises a reaction vessel, and the third flow control switch is arranged at a liquid outlet at the bottom of the reaction vessel.

9. The pesticide residue detection apparatus of claim 1, further comprising a refrigeration container, wherein the refrigeration container is disposed on the main body frame, and the refrigeration container is electrically connected to the PLC controller.