CN116026821B - Intelligent agricultural product detection method and detection equipment - Google Patents
Intelligent agricultural product detection method and detection equipment Download PDFInfo
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- CN116026821B CN116026821B CN202310150383.XA CN202310150383A CN116026821B CN 116026821 B CN116026821 B CN 116026821B CN 202310150383 A CN202310150383 A CN 202310150383A CN 116026821 B CN116026821 B CN 116026821B
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- 238000001514 detection method Methods 0.000 title claims abstract description 132
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 156
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 239000000243 solution Substances 0.000 claims abstract description 36
- 238000012546 transfer Methods 0.000 claims abstract description 30
- 239000000126 substance Substances 0.000 claims abstract description 21
- 102000004190 Enzymes Human genes 0.000 claims abstract description 19
- 108090000790 Enzymes Proteins 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000000447 pesticide residue Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 238000004090 dissolution Methods 0.000 claims description 47
- 238000003756 stirring Methods 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 18
- 235000013311 vegetables Nutrition 0.000 claims description 11
- 238000001228 spectrum Methods 0.000 claims description 4
- 230000001066 destructive effect Effects 0.000 claims description 3
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 5
- 238000004140 cleaning Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 13
- 239000000047 product Substances 0.000 description 33
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Abstract
The invention discloses an intelligent agricultural product detection method and detection equipment, wherein the intelligent agricultural product detection equipment comprises a base, a first motor is fixedly connected to the base, a rotary table is fixedly connected to the output end of the first motor, a containing groove which is annularly arranged relative to the axis of the rotary table is formed in the upper surface of the rotary table, and the intelligent agricultural product detection equipment further comprises: the kit comprises a dissolving cavity and a detection cavity which are arranged side by side, and openings of the dissolving cavity and the detection cavity are upward; the reagent liquid treatment mechanism comprises a reagent transfer part, an enzyme injection part, a color developing agent injection part and a substrate injection part, wherein the reagent transfer part is used for transferring the reagent in the dissolving cavity into the detection cavity, and the enzyme injection part, the color developing agent injection part and the substrate injection part are used for injecting corresponding substances into the detection cavity; the detector is used for automatically detecting the reagent liquid in the detection cavity to obtain the parameters of the internal solution of the reagent liquid. The invention can efficiently and accurately detect pesticide residues of agricultural products.
Description
Technical Field
The invention belongs to the technical field of detection, and particularly relates to an intelligent detection method and detection equipment for agricultural products.
Background
The pesticide residue refers to the general term for pesticide precursors, pesticide residue hazard derivatives, metabolites, degradants and impurities which remain in the environment, organisms and food after the pesticide is used. The main reasons for exceeding the pesticide residue of vegetables are organophosphorus pesticides and carbamate pesticides, such as methamidophos, omethoate, phora, parathion, methyl parathion, etc., which are forbidden to be used in vegetable production in some countries. The eating of foods containing a large amount of highly toxic and highly toxic pesticide residues can cause acute poisoning accidents of people and livestock. The agricultural and sideline products with exceeding pesticide residues are eaten for a long time, and although acute poisoning cannot be caused, chronic poisoning of people and animals can be caused, diseases are caused, and cancers are induced.
At present, the rapid detection method of pesticide residues is various in variety, wherein the chemical measurement method is mainly used for rapidly detecting organophosphorus pesticides according to the change of color of hydrolysis products and detection liquid caused by oxidation-reduction reaction. However, the chemical measurement method generally requires a plurality of process operations at a plurality of places, which is disadvantageous in terms of improvement of efficiency, and also causes a problem of accuracy.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides intelligent agricultural product detection equipment which has the advantage of being capable of efficiently and accurately detecting pesticide residues of agricultural products, and solves the problems that in the prior art, a chemical measurement method generally needs to carry out a plurality of process operations in a plurality of places, so that the efficiency is not improved, and the accuracy is brought by carrying out the plurality of process operations in the plurality of places.
The invention is realized in such a way, the intelligent agricultural product detection equipment comprises a base, wherein a first motor is fixedly connected to the base, the output end of the first motor is fixedly connected with a rotary table, the upper surface of the rotary table is provided with a containing groove which is annularly arranged relative to the axis of the rotary table, and the intelligent agricultural product detection equipment further comprises:
the kit comprises a dissolving cavity and a detection cavity which are arranged side by side, and openings of the dissolving cavity and the detection cavity are upward;
the reagent liquid treatment mechanism comprises a reagent transfer part, an enzyme injection part, a color developing agent injection part and a substrate injection part, wherein the reagent transfer part is used for transferring the reagent in the dissolving cavity into the detection cavity, and the enzyme injection part, the color developing agent injection part and the substrate injection part are used for injecting corresponding substances into the detection cavity;
the detector is used for automatically detecting the reagent liquid in the detection cavity to obtain the parameters of the internal solution of the reagent liquid.
In the arrangement, an agricultural product sample to be detected is placed in a dissolving cavity, and chemical substances on the agricultural product sample are dissolved by a reagent in the dissolving cavity to obtain a reagent solution with an internal solvent; after dissolution, the turntable drives the reagent kit to reach the working area of the reagent transferring part, the reagent transferring part transfers the reagent in the dissolution cavity into the detection cavity, then the enzyme injecting part, the color developing agent injecting part and the substrate injecting part inject corresponding substances into the detection cavity, after mixing, the reagent liquid in the detection cavity shows corresponding colors, and the detector automatically detects the reagent liquid in the detection cavity to obtain the internal solute parameters (such as pesticide residue content) of the reagent liquid.
Through this setting, first motor can drive the carousel and rotate to the carousel rotates has two effects: firstly, the turnplate drives the reagent boxes to sequentially reach corresponding stations, and a plurality of procedure operations are sequentially carried out, so that automatic detection can be realized, the detection efficiency is improved, the detection is more timely, and the detection accuracy can be improved; and secondly, the turntable can reciprocate in a small radian to drive the reagent kit to reciprocate, so that the agricultural product sample can be dissolved conveniently and the additive and the reagent solution can be mixed uniformly.
Furthermore, two-dimensional code labeling can be performed on each kit, so that results can be searched on other terminals, and the method is more intelligent and convenient.
As a preferable mode of the invention, the bottom of the accommodating groove is provided with a heater, the lower surface of the bottom wall of the kit is fixedly connected with a metal sheet which can be attached to the surface of the heater, the heater can heat the metal sheet, and the heat of the metal sheet can be transferred to the dissolution cavity and the detection cavity.
For example, the heater may be configured as an electromagnetic heater, by which the heater heats the metal sheet, which then transfers heat directly or indirectly to the dissolution chamber and detection chamber, incubating the reagent solution, thereby facilitating dissolution, reaction, and detection.
Preferably, the kit further comprises a liquid cavity communicated with the metal sheet, wherein the liquid cavity wraps the dissolution cavity and the detection cavity, and the liquid cavity is not communicated with the dissolution cavity and the detection cavity.
With this arrangement, the metal sheet heats the liquid in the liquid chamber, which incubates the reagent in the dissolution chamber and/or the detection chamber. By the mode, the reagent is heated and kept warm more uniformly and stably, and the temperature fluctuation is small, so that the detection is more accurate. For example, water or oil, or other single or mixed liquids, may be placed in the liquid chamber.
Further, the ball is arranged in the liquid cavity, and when the turntable is swayed back and forth, the ball rolls in the liquid cavity, and the liquid in the liquid cavity is mixed due to different movement tracks of the ball and the liquid. The ball may be connected to the inner wall of the liquid chamber by a traction rope.
Preferably, the detector is a spectrum detector.
By the arrangement, the reagent in the detection cavity develops color due to the color developing agent, and the spectrum detector detects and compares the color of the reagent in the detection cavity, so that the parameters of the internal solution of the reagent liquid are obtained.
Preferably, the distance from the opening of the dissolution cavity to the center of the turntable is equal to the distance from the opening of the detection cavity to the center of the turntable.
Through this setting, after reagent transfer spare draws liquid from dissolving the chamber, through the carousel rotation, can remove the opening in detection chamber under the reagent transfer spare to be convenient for reagent transfer.
The invention preferably further comprises a frame, wherein the frame is fixedly connected to the base through a vertical rod, the frame is positioned above the turntable, and the reagent transferring part, the enzyme injecting part, the color developing agent injecting part and the substrate injecting part are all arranged on the frame.
As preferable, the reagent transferring member comprises a telescopic component, a mounting table, a pump body, a liquid inlet pipe and a liquid outlet pipe;
the main body of the telescopic component is fixedly connected to the rack;
the mounting table is fixedly connected to the telescopic end of the telescopic assembly;
the pump body is fixedly connected to the mounting table;
the liquid inlet pipe is communicated with the inlet of the pump body, and at least part of the liquid inlet pipe can extend into the dissolution cavity;
the liquid outlet pipe is communicated with the outlet of the pump body, and at least part of the liquid outlet pipe can extend into the detection cavity.
For example, the telescopic assembly can be set to be an electric push rod, through the setting, the telescopic assembly drives the mount table to descend to drive the feed liquor pipe and extend to in the dissolution chamber, and drive the drain pipe simultaneously and extend to in the detection chamber, the pump body accessible feed liquor pipe inhales reagent, and pours into the detection chamber with reagent through the drain pipe.
As the preferable mode of the invention, the side wall of the liquid inlet pipe is provided with a plurality of liquid inlet holes which are equidistantly arranged.
Through this setting, when the feed liquor pipe absorbs reagent, can absorb the reagent of upper and middle lower floor simultaneously, have following beneficial effect: in the process of sucking, the reagents on the upper layer, the middle layer and the lower layer can be mixed, so that the reagents are more uniform, and the detection process in the next step is more accurate.
As preferable, the mounting table is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a stirring rod, the stirring rod and the liquid inlet pipe are arranged side by side, and the side wall of the stirring rod is connected with a flexible brush;
the outer surface of the side wall of the liquid inlet pipe is fixedly connected with a protruding piece.
For example, the flexible brush may be provided as a rubber flexible brush, by which the following functions are provided:
firstly, when dissolving, the liquid inlet pipe and the stirring pipe are inserted into the dissolving cavity, the turntable drives the reagent box to reciprocate, and the liquid inlet pipe and the stirring pipe do not move, so that the reagent can be uniformly mixed and the dissolving can be accelerated;
secondly, when the pesticide is dissolved, the second motor drives the stirring rod to rotate, so that the flexible hairbrush is driven to carry out nondestructive brushing on a sample to be detected, the pesticide dissolving efficiency is improved, and meanwhile, the detection accuracy is also improved; meanwhile, the protruding piece on the liquid inlet pipe can fix the sample to be detected.
Thirdly, the rotating rod can stir liquid through the flexible hairbrush, so that the reagent is driven to be uniformly mixed.
Fourth, through puddler, flexible brush and feed liquor pipe, be convenient for with the sample clamp of detecting take out.
The mixing of the reagent solution includes not only transfer of the internal solvent but also transfer of heat.
Further, the flexible brush is connected to the stirring rod through an elastic piece. Through this setting, when improving the rotational speed of puddler, the accessible centrifugal force changes the distance between flexible brush to the puddler, makes the sample of different positions can be brushed to flexible brush to can stir the inner wall in dissolving the chamber, thereby make the kit realize controllable rocking, thereby improve the speed of dissolving sample surface residue. And, when the rotation of the stirring rod reaches a predetermined value, the sample can also be destroyed, so that the sample can be used for destructive dissolution. The peel or vegetable with the juice not easy to overflow or colorless can be cut up and stirred during dissolution, so that the dissolution efficiency is improved. And pesticide residues in the vegetables can be dissolved out, so that the detection accuracy is improved. The flexible hairbrush can also clean the liquid inlet.
The detection method of the intelligent agricultural product detection equipment comprises the following steps:
placing an agricultural product sample to be detected into a dissolving cavity, and dissolving chemical substances on the agricultural product sample by a reagent in the dissolving cavity to obtain a reagent solution with an internal solvent;
after the dissolution is finished, the turntable drives the reagent kit to reach the working area of the reagent transferring part, and the reagent transferring part transfers the reagent in the dissolution cavity to the detection cavity;
then the enzyme injection piece, the color developing agent injection piece and the substrate injection piece inject corresponding substances into the detection cavity; after mixing, the reagent liquid in the detection cavity shows corresponding color, and the detector automatically detects the reagent liquid in the detection cavity to obtain the parameters of the internal solution of the reagent liquid.
Through this setting, first motor can drive the carousel and rotate to the carousel rotates has two effects: firstly, the turnplate drives the reagent boxes to sequentially reach corresponding stations, and a plurality of procedure operations are sequentially carried out, so that automatic detection can be realized, the detection efficiency is improved, the detection is more timely, and the detection accuracy can be improved; and secondly, the turntable can reciprocate in a small radian to drive the reagent kit to reciprocate, so that the agricultural product sample can be dissolved conveniently and the additive and the reagent solution can be mixed uniformly.
Furthermore, two-dimensional code labeling can be performed on each kit, so that results can be searched on other terminals, and the method is more intelligent and convenient.
In the invention, an agricultural product sample to be detected is placed in a dissolving cavity, and a reagent in the dissolving cavity dissolves chemical substances on the agricultural product sample to obtain a reagent solution with an internal solution; after dissolution, the turntable drives the reagent kit to reach the working area of the reagent transferring part, the reagent transferring part transfers the reagent in the dissolution cavity into the detection cavity, then the enzyme injecting part, the color developing agent injecting part and the substrate injecting part inject corresponding substances into the detection cavity, after mixing, the reagent liquid in the detection cavity shows corresponding colors, and the detector automatically detects the reagent liquid in the detection cavity to obtain the pesticide residue content of the reagent liquid.
Through this setting, first motor can drive the carousel and rotate to the carousel rotates has two effects: firstly, the turnplate drives the reagent boxes to sequentially reach corresponding stations, and a plurality of procedure operations are sequentially carried out, so that automatic detection can be realized, the detection efficiency is improved, the detection is more timely, and the detection accuracy can be improved; and secondly, the turntable can reciprocate in a small radian to drive the reagent kit to reciprocate, so that the agricultural product sample can be dissolved conveniently and the additive and the reagent solution can be mixed uniformly.
Drawings
Fig. 1 is a schematic perspective view of an intelligent agricultural product detection device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a three-dimensional cross-sectional structure of an intelligent agricultural product detection device according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the portion B in FIG. 3 according to an embodiment of the present invention;
fig. 5 is a schematic top view structure of an intelligent agricultural product detection device according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of portion C-C of FIG. 5, provided in accordance with an embodiment of the present invention;
fig. 7 is an enlarged schematic view of the portion D in fig. 3 according to an embodiment of the present invention.
In the figure: 1. a base; 2. a first motor; 3. a turntable; 4. a receiving groove; 5. a kit; 51. a dissolution chamber; 52. a detection chamber; 53. a liquid chamber; 6. a reagent transfer member; 61. a telescoping assembly; 62. a mounting table; 63. a pump body; 64. a liquid inlet pipe; 65. a liquid outlet pipe; 66. a liquid inlet hole; 7. an enzyme injector; 8. a developer injection member; 9. a substrate injector; 10. a detector; 11. a heater; 12. a metal sheet; 13. a frame; 14. a second motor; 15. a stirring rod; 16. a flexible brush; 17. a protruding member; 18. an elastic member.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, 2, 5 and 6, the intelligent agricultural product detecting device provided by the embodiment of the invention includes a base 1, a first motor 2 is fixedly connected to the base 1, an output end of the first motor 2 is fixedly connected to a turntable 3, an accommodating groove 4 which is annularly arranged relative to an axis of the turntable 3 is provided on an upper surface of the turntable 3, and the intelligent agricultural product detecting device further includes:
the kit 5 can be embedded into the accommodating groove 4 for matching, the kit 5 comprises a dissolving cavity 51 and a detecting cavity 52 which are arranged side by side, and openings of the dissolving cavity 51 and the detecting cavity 52 are upward;
the reagent solution treatment mechanism comprises a reagent transfer part 6, an enzyme injection part 7, a color reagent injection part 8 and a substrate injection part 9, wherein the reagent transfer part 6 is used for transferring the reagent in the dissolving cavity 51 into the detection cavity 52, and the enzyme injection part 7, the color reagent injection part 8 and the substrate injection part 9 are used for injecting corresponding substances into the detection cavity 52;
the detector 10 is used for automatically detecting the reagent liquid in the detection cavity 52 to obtain the parameters of the internal solution of the reagent liquid.
In the present arrangement, a sample of agricultural products (grains, vegetables, fruits, etc.) to be detected is placed in a dissolution chamber 51, and a reagent in the dissolution chamber 51 dissolves chemical substances, such as pesticide residues, on the sample of agricultural products to obtain a reagent solution with an internal solution; after the dissolution is finished, the turntable 3 drives the reagent kit 5 to reach the working area of the reagent transferring part 6, the reagent transferring part 6 transfers the reagent in the dissolution cavity 51 into the detection cavity 52, then the enzyme injecting part 7, the color developing agent injecting part 8 and the substrate injecting part 9 inject corresponding substances into the detection cavity 52 (for example, the injection is carried out through an injection pump, which is not described in detail herein), after the mixing, the reagent liquid in the detection cavity 52 shows corresponding colors, and the detector 10 automatically detects the reagent liquid in the detection cavity 52 to obtain the internal solution parameters (for example, pesticide residue content) of the reagent liquid.
Through this setting, the first motor 2 can drive carousel 3 rotation to carousel 3 rotation has two effects: firstly, the turntable 3 drives the reagent boxes 5 to sequentially reach corresponding stations, and a plurality of procedure operations are sequentially carried out, so that the automatic detection can be realized, the detection efficiency is improved, the detection is more timely, and the detection accuracy can be improved; second, the rotary disk 3 can reciprocate in a small radian to drive the reagent kit 5 to reciprocate, so that the agricultural product sample can be dissolved conveniently and the additive and the reagent solution can be mixed uniformly.
Further, two-dimensional code labeling can be performed on each kit 5, so that results can be searched on other terminals, and the method is more intelligent and convenient.
Illustratively, the detector 10 is a spectral detector. With this arrangement, the reagent in the detection chamber 52 develops a color due to the color developing agent, and the spectrum analyzer 10 detects and compares the color of the reagent in the detection chamber 52, thereby obtaining the parameters of the internal solution of the reagent solution.
Referring to fig. 5-7, a heater 11 is disposed at the bottom of the accommodating groove 4, a metal sheet 12 capable of adhering to the surface of the heater 11 is fixedly connected to the lower surface of the bottom wall of the kit 5, the heater 11 can heat the metal sheet 12, and the heat of the metal sheet 12 can be transferred to the dissolution chamber 51 and the detection chamber 52.
For example, the heater 11 may be provided as an electromagnetic heater 11, by which the heater 11 heats the metal sheet 12, and then the metal sheet 12 directly or indirectly transfers heat to the dissolution chamber 51 and the detection chamber 52, thereby maintaining the temperature of the reagent solution, thereby facilitating dissolution, reaction, and detection.
Further, the inside of the kit 5 further includes a liquid chamber 53 that is in communication with the metal sheet 12, the liquid chamber 53 wraps the dissolution chamber 51 and the detection chamber 52, and the liquid chamber 53 is not in communication with the dissolution chamber 51 and the detection chamber 52.
With this arrangement, the metal sheet 12 heats the liquid in the liquid chamber 53, and the liquid in the liquid chamber 53 incubates the reagent in the dissolution chamber 51 and/or the detection chamber 52. By the mode, the reagent is heated and kept warm more uniformly and stably, and the temperature fluctuation is small, so that the detection is more accurate. For example, water or oil, or other single or mixed liquids may be placed in the liquid chamber 53.
Further, balls (not shown) are provided inside the liquid chamber 53, and when the turntable 3 reciprocates, the balls roll in the liquid chamber 53, and the liquid in the liquid chamber 53 is mixed due to the difference in moving track of the balls and the liquid. The balls may be connected to the inner wall of the liquid chamber 53 by a pulling rope.
Further, the distance from the opening of the dissolution chamber 51 to the center of the turntable 3 is equal to the distance from the opening of the detection chamber 52 to the center of the turntable 3. With this arrangement, after the reagent transfer member 6 withdraws the liquid from the dissolution chamber 51, the opening of the detection chamber 52 can be moved to the position right below the reagent transfer member 6 by the rotation of the turntable 3, thereby facilitating reagent transfer.
Referring to fig. 1, the device further comprises a frame 13, the frame 13 is fixedly connected to the base 1 through a vertical rod, the frame 13 is located above the turntable 3, and the reagent transferring member 6, the enzyme injecting member 7, the color developing agent injecting member 8 and the substrate injecting member 9 are all arranged on the frame 13.
Referring to fig. 1, 3 and 4, the reagent transferring member 6 includes a telescopic assembly 61, a mounting table 62, a pump 63, a liquid inlet pipe 64 and a liquid outlet pipe 65; the main body of the telescopic assembly 61 is fixedly connected to the frame 13; the mounting table 62 is fixedly connected to the telescopic end of the telescopic assembly 61; the pump body 63 is fixedly connected to the mounting table 62; the liquid inlet pipe 64 is communicated with the inlet of the pump body 63, and at least part of the liquid inlet pipe 64 can extend into the dissolving cavity 51; the outlet pipe 65 communicates with the outlet of the pump body 63, at least part of the outlet pipe 65 being able to extend into the detection chamber 52.
For example, the telescopic assembly 61 can be configured as an electric push rod, by which the telescopic assembly 61 drives the mounting table 62 to descend, thereby driving the liquid inlet pipe 64 to extend into the dissolution chamber 51 and simultaneously driving the liquid outlet pipe 65 to extend into the detection chamber 52, and the pump body 63 can suck the reagent through the liquid inlet pipe 64 and inject the reagent into the detection chamber 52 through the liquid outlet pipe 65.
Further, the side wall of the liquid inlet pipe 64 is provided with a plurality of liquid inlet holes 66 which are equidistantly arranged.
Through this setting, when the feed liquor pipe 64 absorbs reagent, can absorb the reagent of upper and middle lower floor simultaneously, have following beneficial effect: in the process of sucking, the reagents on the upper layer, the middle layer and the lower layer can be mixed, so that the reagents are more uniform, and the detection process in the next step is more accurate.
With continued reference to fig. 1, 3 and 4, the mounting table 62 is fixedly connected with a second motor 14, an output end of the second motor 14 is fixedly connected with a stirring rod 15, the stirring rod 15 and the liquid inlet pipe 64 are arranged side by side, and a side wall of the stirring rod 15 is connected with a flexible brush 16;
the outer surface of the side wall of the liquid inlet pipe 64 is fixedly connected with a protruding piece 17.
For example, the flexible brush 16 may be provided as a rubber flexible brush 16, by which the following functions are provided:
firstly, when dissolving, the liquid inlet pipe 64 and the stirring pipe are inserted into the dissolving cavity 51, the turntable 3 drives the reagent box 5 to reciprocate, and the liquid inlet pipe 64 and the stirring pipe do not move, so that the reagents can be uniformly mixed and dissolved quickly;
secondly, when the pesticide is dissolved, the second motor 14 drives the stirring rod 15 to rotate, so that the flexible hairbrush 16 is driven to carry out nondestructive brushing on the vegetables or fruit peels of the sample to be detected, the pesticide dissolving efficiency is improved, and meanwhile, the detection accuracy is also improved; at the same time, the protruding member 17 on the inlet tube 64 can fix the sample to be detected.
Third, the rotating rod can stir the liquid through the flexible brush 16, thereby driving the reagent to mix uniformly.
Fourth, the sample to be tested is conveniently clamped out by the stirring rod 15, the flexible brush 16 and the liquid inlet pipe 64.
The mixing of the reagent solution includes not only transfer of the internal solvent but also transfer of heat.
Further, the flexible brush 16 is connected to the stirring rod 15 through an elastic member 18. Through this setting, when improving the rotational speed of puddler 15, the accessible centrifugal force changes the distance between flexible brush 16 to puddler 15, makes flexible brush 16 can brush the sample of different positions to can stir the inner wall of dissolving chamber 51, thereby make kit 5 realize controllable rocking, thereby improve the speed of dissolving sample surface residue. And, when the rotation of the stirring rod 15 reaches a predetermined value, the sample may also be destroyed, so that it is available for destructive dissolution. The peel or vegetable with the juice not easy to overflow or colorless can be cut up and stirred during dissolution, so that the dissolution efficiency is improved. And pesticide residues in the vegetables can be dissolved out, so that the detection accuracy is improved. The flexible brush 16 may also be used to clean the inlet 66.
The invention also provides a detection method of the intelligent agricultural product detection equipment, which comprises the following steps:
step S1, placing an agricultural product sample to be detected into a dissolving cavity 51, and dissolving chemical substances on the agricultural product sample by a reagent in the dissolving cavity 51 to obtain a reagent solution with an internal solvent;
step S2, after dissolution is finished, the turntable 3 drives the reagent kit 5 to reach the working area of the reagent transferring part 6, and the reagent transferring part 6 transfers the reagent in the dissolution cavity 51 to the detection cavity 52;
step S3, then the enzyme injector 7, the developer injector 8 and the substrate injector 9 inject corresponding substances into the detection cavity 52; after mixing, the reagent solutions in the detection chamber 52 display the corresponding colors, and the detector 10 automatically detects the reagent solutions in the detection chamber 52 to obtain the parameters of the internal solutions of the reagent solutions.
Through this setting, the first motor 2 can drive carousel 3 rotation to carousel 3 rotation has two effects: firstly, the turntable 3 drives the reagent boxes 5 to sequentially reach corresponding stations, and a plurality of procedure operations are sequentially carried out, so that the automatic detection can be realized, the detection efficiency is improved, the detection is more timely, and the detection accuracy can be improved; second, the rotary disk 3 can reciprocate in a small radian to drive the reagent kit 5 to reciprocate, so that the agricultural product sample can be dissolved conveniently and the additive and the reagent solution can be mixed uniformly.
Further, two-dimensional code labeling can be performed on each kit 5, so that results can be searched on other terminals, and the method is more intelligent and convenient.
In use, a sample of agricultural products (grains, vegetables, fruits, etc.) to be detected is placed in a dissolution chamber 51, and a reagent in the dissolution chamber 51 dissolves chemical substances, such as pesticide residues, on the sample of agricultural products to obtain a reagent solution with internal solutions; after the dissolution is finished, the turntable 3 drives the reagent kit 5 to reach the working area of the reagent transferring part 6, the reagent transferring part 6 transfers the reagent in the dissolution cavity 51 into the detection cavity 52, then the enzyme injecting part 7, the color developing agent injecting part 8 and the substrate injecting part 9 inject corresponding substances into the detection cavity 52, after mixing, the reagent liquid in the detection cavity 52 shows corresponding colors, and the detector 10 automatically detects the reagent liquid in the detection cavity 52 to obtain the internal solute parameters (such as pesticide residue content) of the reagent liquid.
Through this setting, the first motor 2 can drive carousel 3 rotation to carousel 3 rotation has two effects: firstly, the turntable 3 drives the reagent boxes 5 to sequentially reach corresponding stations, and a plurality of procedure operations are sequentially carried out, so that the automatic detection can be realized, the detection efficiency is improved, the detection is more timely, and the detection accuracy can be improved; second, the rotary disk 3 can reciprocate in a small radian to drive the reagent kit 5 to reciprocate, so that the agricultural product sample can be dissolved conveniently and the additive and the reagent solution can be mixed uniformly. And each kit 5 can be labeled with two-dimension codes, so that results can be searched on other terminals, and the method is more intelligent and convenient.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an agricultural product intelligent detection equipment, includes base (1), fixedly connected with first motor (2) on base (1), the output fixedly connected with carousel (3) of first motor (2), carousel (3) upper surface have relatively carousel (3) axle center is holding tank (4) that annular set up, its characterized in that still includes:
the kit (5) can be embedded into the accommodating groove (4) for matching, the kit (5) comprises a dissolving cavity (51) and a detecting cavity (52) which are arranged side by side, and openings of the dissolving cavity (51) and the detecting cavity (52) are upward;
the reagent liquid treatment mechanism comprises a reagent transfer part (6), an enzyme injection part (7), a color reagent injection part (8) and a substrate injection part (9), wherein the reagent transfer part (6) is used for transferring the reagent in the dissolving cavity (51) into the detection cavity (52), and the enzyme injection part (7), the color reagent injection part (8) and the substrate injection part (9) are used for injecting corresponding substances into the detection cavity (52);
the detector (10) is used for automatically detecting the reagent liquid in the detection cavity (52) to obtain the parameters of the internal solution of the reagent liquid;
the reagent transfer part (6) comprises a telescopic component (61), a mounting table (62), a pump body (63), a liquid inlet pipe (64) and a liquid outlet pipe (65);
the main body of the telescopic component (61) is fixedly connected to the frame (13);
the mounting table (62) is fixedly connected to the telescopic end of the telescopic assembly (61);
the pump body (63) is fixedly connected to the mounting table (62);
the liquid inlet pipe (64) is communicated with the inlet of the pump body (63), and at least part of the liquid inlet pipe (64) can extend into the dissolving cavity (51);
the outlet pipe (65) is communicated with the outlet of the pump body (63), and at least part of the outlet pipe (65) can extend into the detection cavity (52);
the side wall of the liquid inlet pipe (64) is provided with a plurality of liquid inlet holes (66) which are equidistantly arranged;
the mounting table (62) is fixedly connected with a second motor (14), the output end of the second motor (14) is fixedly connected with a stirring rod (15), the stirring rod (15) and the liquid inlet pipe (64) are arranged side by side, and the side wall of the stirring rod (15) is connected with a flexible brush (16);
the outer surface of the side wall of the liquid inlet pipe (64) is fixedly connected with a protruding piece (17);
the flexible brush (16) is connected to the stirring rod (15) through an elastic piece (18), when the rotating speed of the stirring rod (15) is increased, the distance between the flexible brush (16) and the stirring rod (15) is changed through centrifugal force, so that the flexible brush (16) can brush samples at different positions and can stir the inner wall of the dissolving cavity (51), the reagent box (5) can shake controllably, and the speed of dissolving residues on the surface of the samples is increased; and, when the rotation of the stirring rod (15) reaches a predetermined value, the sample is also destroyed, thereby serving for destructive dissolution; peel or vegetables with juice not easy to overflow or colorless can be cut up and stirred during dissolution, so that the dissolution efficiency is improved; the pesticide residue in the vegetables is dissolved out, so that the detection accuracy is improved; the flexible brush (16) is also used for cleaning the liquid inlet (66).
2. The intelligent agricultural product inspection device according to claim 1, wherein:
the bottom of the accommodating groove (4) is provided with a heater (11), the lower surface of the bottom wall of the kit (5) is fixedly connected with a metal sheet (12) which can be attached to the surface of the heater (11), the heater (11) can heat the metal sheet (12), and the heat of the metal sheet (12) can be transferred to the dissolution cavity (51) and the detection cavity (52).
3. The intelligent agricultural product inspection device according to claim 2, wherein:
the kit (5) is characterized in that the kit further comprises a liquid cavity (53) communicated with the metal sheet (12), the liquid cavity (53) wraps the dissolving cavity (51) and the detecting cavity (52), and the liquid cavity (53) is not communicated with the dissolving cavity (51) and the detecting cavity (52).
4. The intelligent agricultural product inspection device according to claim 1, wherein:
the detector (10) is a spectrum detector.
5. The intelligent agricultural product inspection device according to claim 1, wherein:
the distance from the opening of the dissolving cavity (51) to the center of the turntable (3) is equal to the distance from the opening of the detecting cavity (52) to the center of the turntable (3).
6. The intelligent agricultural product inspection device according to claim 1, wherein:
still include frame (13), frame (13) are in through pole setting fixed connection on base (1), frame (13) are located the top of carousel (3), reagent transfer piece (6), enzyme injection piece (7), developer injection piece (8), substrate injection piece (9) all set up on frame (13).
7. A detection method of an agricultural product intelligent detection apparatus according to any one of claims 1 to 6, characterized by comprising the steps of:
placing an agricultural product sample to be detected into a dissolving cavity (51), and dissolving chemical substances on the agricultural product sample by a reagent in the dissolving cavity (51) to obtain a reagent solution with an internal solution;
after dissolution, the turntable (3) drives the reagent kit (5) to reach the working area of the reagent transferring part (6), and the reagent transferring part (6) transfers the reagent in the dissolution cavity (51) to the detection cavity (52);
then the enzyme injection piece (7), the color reagent injection piece (8) and the substrate injection piece (9) inject corresponding substances into the detection cavity (52); after mixing, the reagent liquid in the detection cavity (52) shows a corresponding color, and the detector (10) automatically detects the reagent liquid in the detection cavity (52) to obtain the parameters of the internal solution of the reagent liquid.
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| CN116026821A (en) | 2023-04-28 |
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