CN109975498B - Agricultural product detection device - Google Patents
Agricultural product detection device Download PDFInfo
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- CN109975498B CN109975498B CN201910257763.7A CN201910257763A CN109975498B CN 109975498 B CN109975498 B CN 109975498B CN 201910257763 A CN201910257763 A CN 201910257763A CN 109975498 B CN109975498 B CN 109975498B
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 239000000725 suspension Substances 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 22
- 241001411320 Eriogonum inflatum Species 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 21
- 238000005070 sampling Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000007853 buffer solution Substances 0.000 claims description 7
- 239000000447 pesticide residue Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 3
- 230000003028 elevating effect Effects 0.000 abstract 2
- 239000011435 rock Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 21
- 230000005764 inhibitory process Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229940088598 enzyme Drugs 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- 102000003914 Cholinesterases Human genes 0.000 description 1
- 108090000322 Cholinesterases Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- OIPILFWXSMYKGL-UHFFFAOYSA-N acetylcholine Chemical compound CC(=O)OCC[N+](C)(C)C OIPILFWXSMYKGL-UHFFFAOYSA-N 0.000 description 1
- 229960004373 acetylcholine Drugs 0.000 description 1
- 239000000152 carbamate pesticide Substances 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229940048961 cholinesterase Drugs 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007830 nerve conduction Effects 0.000 description 1
- 239000003987 organophosphate pesticide Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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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
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- 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
-
- 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
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses an agricultural product detection device, and relates to the technical field of agricultural product detection equipment; the automatic sample filling machine comprises a bottom plate, a shaking mechanism, a lifting mechanism, a rotating mechanism, a sample holding mechanism and an electric cabinet; the upper portion of bottom plate is equipped with rocks the mechanism, and the upper portion of rocking the mechanism is equipped with elevating system, is equipped with rotary mechanism on the elevating system, is equipped with flourishing appearance mechanism on the rotary mechanism, and the electric cabinet is fixed on the leading flank of bottom plate. It can take a sample to multiple agricultural product at the same time to carry out the extraction of agricultural product extract, greatly increase the detection efficiency of agricultural product, and improve the detection quality of extract, the practicality is stronger.
Description
Technical Field
The invention relates to the technical field of agricultural product detection equipment, in particular to an agricultural product detection device.
Background
At present, agricultural products need to be detected for pesticide residues during planting and after picking, and are generally detected by a pesticide residue rapid measuring instrument which is developed by adopting an enzyme inhibition principle and a photoelectric colorimetry principle. Under certain conditions, organophosphorus and carbamic acid pesticides have inhibition effect on the normal function of cholinesterase, and the inhibition rate is in positive correlation with the concentration of the pesticides. Under normal conditions, enzyme catalyzes nerve conduction metabolite (acetylcholine) to hydrolyze, the hydrolysate reacts with a color developing agent to generate a yellow substance, a spectrophotometer is used for measuring the change value of absorbance at 412nm along with time, the inhibition rate is calculated, and whether the sample contains organophosphorus or carbamate pesticide residues can be judged according to the inhibition rate. Can realize the on-site rapid detection of the residual quantity of the organophosphorus and carbamate pesticides.
In the process of detecting pesticide residues on agricultural products, the agricultural products to be detected need to be cut into 1cm square fragments or the surfaces of the fragments are taken and put into a triangular flask, a buffer solution is added, the mixture is shaken for 1-2 minutes and then kept stand for 2 minutes, and finally, if an extracting solution is turbid or has too many impurities, the filtering is needed. Since these operations are performed manually by the inspector, such as shaking, pouring the extract, and filtering, only one agricultural product can be inspected at a time, and the inspection efficiency cannot be improved, and improvement is needed.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides an agricultural product detection device which is simple in structure, reasonable in design and convenient to use, can sample various agricultural products at the same time and extract an agricultural product extracting solution, greatly improves the detection efficiency of the agricultural products, improves the detection quality of the extracting solution, and is higher in practicability.
In order to achieve the purpose, the invention adopts the technical scheme that: the automatic sample filling machine comprises a bottom plate, a shaking mechanism, a lifting mechanism, a rotating mechanism, a sample holding mechanism and an electric cabinet; the upper part of the bottom plate is provided with a shaking mechanism, the upper part of the shaking mechanism is provided with a lifting mechanism, the lifting mechanism is provided with a rotating mechanism, the rotating mechanism is provided with a sample containing mechanism, and the electric cabinet is fixed on the front side surface of the bottom plate;
the shaking mechanism consists of an electric telescopic rod, a shaking chassis, a first sliding rail and a first sliding block; the control end of the electric telescopic rod is fixed on the front side face of the vertical plate of the bottom plate, the output end of the electric telescopic rod is connected with the rear side face of the shaking chassis, the left side and the right side of the bottom of the shaking chassis are respectively fixed with a first sliding block, the first sliding blocks are arranged on a first sliding rail in a sliding mode, and the first sliding rails are fixed on the left side and the right side of the upper surface of the bottom plate;
the lifting mechanism consists of a lifting motor, a screw rod fixing plate, a screw rod nut, a guide vertical plate, a second sliding rail and a second sliding block; the lifting motor is fixed at the bottom of the front side face of the screw rod fixing plate, the bottom of the screw rod fixing plate is fixed at the right side of the upper surface of the shaking chassis, an output shaft of the lifting motor is connected with a screw rod through a coupler, and the upper end of the screw rod is screwed on a top plate of the screw rod fixing plate through a screw rod seat; a screw nut is screwed on the screw rod; a guide vertical plate is fixed on the left side of the upper surface of the shaking chassis, a second sliding rail is fixed on the right side surface of the guide vertical plate, and a second sliding block is arranged on the second sliding rail in a sliding manner;
the rotating mechanism consists of a rotating motor, a motor fixing seat, a suspension plate and a connecting shaft; the rotating motor is fixed on the screw rod nut through a motor fixing seat; the suspension plate is arranged between the guide vertical plate and the screw rod fixing plate, connecting shafts are fixed on the left side and the right side of the suspension plate, the left connecting shaft is screwed on the second sliding block through a bearing, and the right connecting shaft is connected with an output shaft of the rotating motor through a coupler;
the sample containing mechanism consists of a triangular flask, a bottle plug, a liquid outlet pipe, a liquid outlet valve and a filter screen; the bottle mouth of the triangular bottle is inserted into the insertion hole of the suspension plate, the aperture of the insertion hole is slightly larger than the aperture of the bottle mouth of the triangular bottle, the upper edge of the bottle mouth is exposed on the upper surface of the suspension plate, a bottle plug is arranged in the bottle mouth of the triangular bottle, the outer edge of the bottle plug is erected on the suspension plate, a filter screen is fixed at the lower end of the bottle plug, a liquid outlet pipe is inserted into the upper end of the bottle plug, and a liquid outlet valve is inserted in the liquid outlet pipe;
the electric telescopic rod, the lifting motor and the rotating motor are all electrically connected with the electric cabinet.
Furthermore, a placing groove which is vertically corresponding to the position of the jack on the suspension plate is formed in the shaking chassis.
Furthermore, a connecting hole column is fixed on the lower end face of the filter screen and inserted into the lower end of the bottle stopper.
Furthermore, the lower surface of the outer edge of the bottle stopper is fixed with a second magnetic attraction ring, the second magnetic attraction ring and the first magnetic attraction ring are attracted, and the first magnetic attraction ring is fixed on the upper surface of the suspension plate and is positioned on the periphery of the bottle mouth of the triangular bottle.
Furthermore, a plurality of sampling cups are erected on the upper surface of the shaking chassis, and each sampling cup is correspondingly arranged below each triangular flask.
The working steps of the invention are as follows:
1. placing the triangular flask on a shaking chassis, shearing crops to be detected into the triangular flask in proper size, and adding a buffer solution;
2. starting the lifting motor to drive the screw rod to rotate, so as to drive the screw rod nut to drive the rotating mechanism to descend until the bottle mouth of the triangular bottle is inserted into the insertion hole of the suspension plate, stopping the lifting motor, and then inserting the bottle plug into the bottle mouth of the triangular bottle to realize sealing;
3. starting the lifting motor again to drive the rotating mechanism to ascend until the second sliding block is abutted against the upper top plate of the guide vertical plate, stopping the lifting motor, starting the electric telescopic rod to perform telescopic work, so that the shaking chassis is driven to shake continuously back and forth, the buffer solution in the triangular flask erected on the suspension plate and the detected crops are driven to shake together, and after the shaking for a certain time, closing the electric telescopic rod;
4. the rotary motor is started to work, the rotary motor is turned off after the rotary motor drives the suspension plate to rotate for 180 degrees, the triangular flask erected on the suspension plate is inverted on the suspension plate at the moment, the outer diameter of the flask body of the triangular flask is larger than the aperture of the insertion hole in the suspension plate, the triangular flask can be suspended and inverted on the suspension plate, after the triangular flask is kept still for a period of time, the liquid outlet valve is opened, at the moment, the extracting solution is filtered by the filter screen and then is discharged into the sampling cup arranged on the shaking chassis, the extracting solution is extracted, and then the extracting solution is measured by the agricultural product pesticide residue rapid measuring instrument.
After adopting the structure, the invention has the beneficial effects that: the agricultural product detection device provided by the invention can sample various agricultural products at the same time and extract the agricultural product extract, so that the detection efficiency of the agricultural products is greatly increased, the detection quality of the extract is improved, and the agricultural product detection device is higher in practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a right side view of fig. 1.
Fig. 5 is a schematic view of the connection between the bottle stopper and the filter net of the present invention.
Fig. 6 is a cross-sectional view of the bottle stopper and filter net of the present invention.
FIG. 7 is a view showing the state where the extracting solution is discharged in the present invention.
Description of reference numerals:
the automatic sample filling machine comprises a base plate 1, a shaking mechanism 2, an electric telescopic rod 2-1, a shaking chassis 2-2, a first sliding rail 2-3, a first sliding block 2-4, a lifting mechanism 3, a lifting motor 3-1, a lead screw fixing plate 3-2, a lead screw 3-3, a lead screw nut 3-4, a guide vertical plate 3-5, a second sliding rail 3-6, a second sliding block 3-7, a rotating mechanism 4, a rotating motor 4-1, a motor fixing seat 4-2, a suspension plate 4-3, a connecting shaft 4-4, a first magnetic attraction ring 4-5, a sample holding mechanism 5, a triangular bottle 5-1, a bottle plug 5-2, an outer edge 5-2-1, a liquid outlet pipe 5-3, a liquid outlet valve 5-4, a filter screen 5-5, a connecting hole column 5-5-1, a sample filling mechanism 5-1, a sample filling machine body and a sample filling machine body, 5-6 parts of a second magnetic attraction ring, 5-7 parts of a sampling cup and 6 parts of an electric cabinet.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 7, the technical solution adopted by the present embodiment is: the sample filling device comprises a bottom plate 1, a shaking mechanism 2, a lifting mechanism 3, a rotating mechanism 4, a sample holding mechanism 5 and an electric cabinet 6; the upper part of the bottom plate 1 is provided with a shaking mechanism 2, the upper part of the shaking mechanism 2 is provided with a lifting mechanism 3, the lifting mechanism 3 is provided with a rotating mechanism 4, the rotating mechanism 4 is provided with a sample containing mechanism 5, and an electric cabinet 6 is fixed on the front side surface of the bottom plate 1;
the shaking mechanism 2 consists of an electric telescopic rod 2-1, a shaking chassis 2-2, a first sliding rail 2-3 and a first sliding block 2-4; the control end of the electric telescopic rod 2-1 is fixedly connected to the front side face of a vertical plate of the bottom plate 1 through bolts (the electric telescopic rod 2-1 with a proper stroke is selected according to the length of the first sliding rail 2-3, so that the first sliding block 2-3 can normally move back and forth on the first sliding rail 2-3 without limitation on the type), the output end of the electric telescopic rod 2-1 is fixedly connected to the rear side face of the shaking chassis 2-2 through bolts, the first sliding block 2-4 is fixedly connected to the left side and the right side of the bottom of the shaking chassis 2-2 through bolts, the first sliding block 2-4 is slidably arranged on the first sliding rail 2-3, and the first sliding rail 2-3 is fixedly connected to the left side and the right side of the upper surface of the bottom plate 1 through bolts;
the lifting mechanism 3 consists of a lifting motor 3-1, a screw rod fixing plate 3-2, a screw rod 3-3, a screw rod nut 3-4, a guide vertical plate 3-5, a second sliding rail 3-6 and a second sliding block 3-7; the lifting motor 3-1 is a positive and negative rotation motor, the specific type of which can be determined according to the design requirement, and is not limited herein, the lifting motor 3-1 is fixed at the bottom of the front side surface of the screw rod fixing plate 3-2 by utilizing bolt connection, the bottom of the screw rod fixing plate 3-2 is fixed at the right side of the upper surface of the shaking chassis 2-2 by utilizing bolt connection, the output shaft of the lifting motor 3-1 is connected with the screw rod 3-3 by a coupler, and the upper end of the screw rod 3-3 is screwed on the top plate of the screw rod fixing plate 3-2 by a screw rod seat; a screw rod nut 3-4 is screwed on the screw rod 3-3; a guide vertical plate 3-5 is fixedly connected to the left side of the upper surface of the shaking chassis 2-2 through a bolt, a second sliding rail 3-6 is fixedly connected to the right side of the guide vertical plate 3-5 through a bolt, and a second sliding block 3-7 is slidably arranged on the second sliding rail 3-6;
the rotating mechanism 4 consists of a rotating motor 4-1, a motor fixing seat 4-2, a suspension plate 4-3 and a connecting shaft 4-4; the rotating motor 4-1 is fixed on the screw nut 3-4 through the motor fixing seat 4-2 (the motor fixing seat 4-2 is fixed on the screw nut 3-4 by the bolt connection, the specific type of the rotating motor 4-1 is determined according to the requirement, and the normal work of the rotating mechanism 4 is not influenced, so the type is not limited herein); the suspension plate 4-3 is arranged between the guide vertical plate 3-5 and the screw rod fixing plate 3-2, the left side and the right side of the suspension plate 4-3 are fixedly welded with a connecting shaft 4-4, wherein the connecting shaft 4-4 on the left side is screwed on the second sliding block 3-7 through a bearing (the bearing is a ball bearing which is embedded in the guide vertical plate 3-5), and the connecting shaft 4-4 on the right side is connected with an output shaft of the rotating motor 4-1 through a coupler;
the sample containing mechanism 5 consists of a triangular flask 5-1, a bottle stopper 5-2, a liquid outlet pipe 5-3, a liquid outlet valve 5-4 and a filter screen 5-5; the bottle mouth of the triangular bottle 5-1 is arranged in the jack of the suspension plate 4-3 in a penetrating way, the aperture of the jack is slightly larger than the aperture of the bottle mouth of the triangular bottle 5-1, the upper edge of the bottle mouth is exposed on the upper surface of the suspension plate 4-3, the bottle mouth of the triangular bottle 5-1 is internally provided with a bottle stopper 5-2 (the bottle stopper 5-2 is made of a wood rubber plug), the outer edge 5-2-1 of the bottle stopper 5-2 is erected on the suspension plate 4-3 (the bottle mouth of the triangular bottle 5-1 is clamped in a crack between the bottle stopper 5-2-1 and the outer edge 5-2-1), the lower surface of the outer edge 5-2-1 of the bottle stopper 5-2 is fixedly adhered with a second magnetic absorption ring 5-6, the second magnetic absorption ring 5-6 is arranged in a sucking way with a first magnetic absorption ring 4-5, and the first magnetic absorption ring 4-5 is fixedly adhered on the upper surface of the suspension plate 4-3, and is positioned at the periphery of the bottle mouth of the triangular bottle 5-1; a filter screen 5-5 is fixed at the lower end of the bottle stopper 5-2, the filter screen 5-5 is made of hard silica gel, a connecting hole column 5-5-1 is integrally formed on the lower end face of the filter screen 5-5, the connecting hole column 5-5-1 is rotatably inserted into the lower end of the bottle stopper 5-2 by utilizing threads, a liquid outlet pipe 5-3 is closely penetrated at the upper end of the bottle stopper 5-2, and a liquid outlet valve 5-4 is inserted into the liquid outlet pipe 5-3 (the matching connection relationship between the liquid outlet valve 5-4 and the liquid outlet pipe 5-3 is the same as the structural principle of a control valve on a glass dropping pipe in a chemical laboratory in the prior art);
the electric telescopic rod 2-1, the lifting motor 3-1 and the rotating motor 4-1 are all connected with a power supply and respective control switches in the electric cabinet 6 in series to form respective independent electric loops, and the respective control switches are all arranged on the outer wall of the electric cabinet 6.
Furthermore, three sampling cups 5-7 are erected on the upper surface of the shaking chassis 2-2, and each sampling cup 5-7 is correspondingly arranged below each triangular flask 5-1.
The working steps of the specific embodiment are as follows:
1. placing the triangular flask 5-1 on a shaking chassis 2-2 (a placing groove which is vertically corresponding to the position of the jack on the hanging plate 4-3 is arranged on the shaking chassis 2-2, and placing the triangular flask 5-1 in the placing groove to realize the rapid matching of the bottle mouth of the triangular flask 5-1 and the jack on the hanging plate 4-3), cutting crops to be detected into the triangular flask 5-1 with proper size, and adding a buffer solution;
2. starting the lifting motor 3-1 to drive the screw rod 3-3 to rotate, so as to drive the screw rod nut 3-4 to drive the rotating mechanism 4 to descend until the bottle mouth of the triangular bottle 5-1 is inserted into the jack of the suspension plate 4-3, stopping the lifting motor 3-1, and then inserting the bottle stopper 5-2 into the bottle mouth of the triangular bottle 5-1 to realize sealing;
3. starting the lifting motor 3-1 again to drive the rotating mechanism 4 to ascend until the second sliding block 3-7 is abutted against the upper top plate of the guide vertical plate 3-5, stopping the lifting motor 3-1, starting the electric telescopic rod 2-1 at the moment, performing telescopic work, driving the shaking chassis 2-2 to shake continuously back and forth, driving the buffer solution in the triangular flask 5-1 erected on the suspension plate 4-3 and the detected crops to shake together, and closing the electric telescopic rod 2-1 after shaking for a certain time;
4. the rotating motor 4-1 is started to work, and after the rotating motor drives the suspension plate 4-3 to rotate 180 degrees, the rotating motor is closed, the triangular flask 5-1 erected on the hanging plate 4-3 is inverted on the hanging plate 4-3 at the moment, because the outer diameter of the flask body of the triangular flask is larger than the aperture of the jack in the hanging plate 4-3, the triangular flask can be hung and inverted on a hanging plate 4-3, and meanwhile, the first magnetic attraction ring 4-5 and the second magnetic attraction ring 5-6 are attracted, so that the triangular flask 5-1 can be ensured to be stable when the triangular flask is rotated and inverted and can be kept still for a period of time, opening a liquid outlet valve 5-4, filtering the extract by a filter screen 5-5, discharging into a sampling cup 5-7 arranged on the shaking chassis 2-2, namely, the extraction of the extracting solution is finished, and then the extracting solution is measured by using a rapid agricultural product pesticide residue measuring instrument.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. a plurality of triangular bottles 5-1 can be erected on the suspension plates 4-5 as required for extracting the extracting solution of the detection sample, so that the extraction of the agricultural residues of various crops in the same time can be realized;
2. by adopting the arrangement of the filter screen 5-5, impurities can be filtered from the extracting solution in the process of discharging the extracting solution, so that the purity of the extracting solution is improved;
3. the triangular flask 5-1 is hung on the hanging plate 4-5 and driven by the electric telescopic rod 2-1 to shake back and forth, so that the two hands of a detector are liberated, and the workload is reduced;
4. the device and the agricultural product pesticide residue measuring instrument tool box can be carried to an agricultural product planting field together, and then rapid detection of various agricultural products can be carried out on site (basic facilities such as water sources and power supplies required by detection need to be guaranteed on site).
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. An agricultural product detection device, characterized in that: the sample storage device comprises a bottom plate (1), a shaking mechanism (2), a lifting mechanism (3), a rotating mechanism (4), a sample storage mechanism (5) and an electric cabinet (6); the upper part of the bottom plate (1) is provided with a shaking mechanism (2), the upper part of the shaking mechanism (2) is provided with a lifting mechanism (3), the lifting mechanism (3) is provided with a rotating mechanism (4), the rotating mechanism (4) is provided with a sample containing mechanism (5), and an electric cabinet (6) is fixed on the front side surface of the bottom plate (1);
the shaking mechanism (2) consists of an electric telescopic rod (2-1), a shaking chassis (2-2), a first sliding rail (2-3) and a first sliding block (2-4); the control end of the electric telescopic rod (2-1) is fixed on the front side face of a vertical plate of the bottom plate (1), the output end of the electric telescopic rod (2-1) is connected with the rear side face of the shaking chassis (2-2), first sliding blocks (2-4) are fixed on the left side and the right side of the bottom of the shaking chassis (2-2), the first sliding blocks (2-4) are arranged on first sliding rails (2-3) in a sliding mode, and the first sliding rails (2-3) are fixed on the left side and the right side of the upper surface of the bottom plate (1);
the lifting mechanism (3) is composed of a lifting motor (3-1), a screw rod fixing plate (3-2), a screw rod (3-3), a screw rod nut (3-4), a guide vertical plate (3-5), a second sliding rail (3-6) and a second sliding block (3-7); the lifting motor (3-1) is fixed at the bottom of the front side face of the screw rod fixing plate (3-2), the bottom of the screw rod fixing plate (3-2) is fixed at the right side of the upper surface of the shaking chassis (2-2), an output shaft of the lifting motor (3-1) is connected with the screw rod (3-3) through a coupler, and the upper end of the screw rod (3-3) is screwed on a top plate of the screw rod fixing plate (3-2) through a screw rod seat; a screw rod nut (3-4) is screwed on the screw rod (3-3); a guide vertical plate (3-5) is fixed on the left side of the upper surface of the shaking chassis (2-2), a second sliding rail (3-6) is fixed on the right side surface of the guide vertical plate (3-5), and a second sliding block (3-7) is arranged on the second sliding rail (3-6) in a sliding manner;
the rotating mechanism (4) is composed of a rotating motor (4-1), a motor fixing seat (4-2), a suspension plate (4-3) and a connecting shaft (4-4); the rotating motor (4-1) is fixed on the screw nut (3-4) through a motor fixing seat (4-2); the suspension plate (4-3) is arranged between the guide vertical plate (3-5) and the screw rod fixing plate (3-2), connecting shafts (4-4) are fixed on the left side and the right side of the suspension plate (4-3), the connecting shaft (4-4) on the left side is screwed on the second sliding block (3-7) through a bearing, and the connecting shaft (4-4) on the right side is connected with an output shaft of the rotating motor (4-1) through a coupler;
the sample containing mechanism (5) consists of a triangular flask (5-1), a bottle stopper (5-2), a liquid outlet pipe (5-3), a liquid outlet valve (5-4) and a filter screen (5-5); the bottle mouths of a plurality of triangular bottles (5-1) are respectively arranged in a plurality of insertion holes of the hanging plate (4-3) in a penetrating manner, the hole diameters of the insertion holes are slightly larger than the caliber of the bottle mouth of the triangular bottle (5-1), the upper edges of the bottle mouths are exposed on the upper surface of the hanging plate (4-3), a bottle stopper (5-2) is arranged in the bottle mouth of the triangular bottle (5-1), the outer edge (5-2-1) of the bottle stopper (5-2) is erected on the hanging plate (4-3), a filter screen (5-5) is fixed at the lower end of the bottle stopper (5-2), a liquid outlet pipe (5-3) is arranged at the upper end of the bottle stopper (5-2) in a penetrating manner, and a liquid outlet valve (5-4) is arranged in the liquid outlet pipe (5-3) in a penetrating manner; a second magnetic attraction ring (5-6) is fixed on the lower surface of the outer edge (5-2-1) of the bottle stopper (5-2), the second magnetic attraction ring (5-6) and the first magnetic attraction ring (4-5) are attracted, and the first magnetic attraction ring (4-5) is fixed on the upper surface of the suspension plate (4-3) and is positioned on the periphery of the bottle mouth of the triangular bottle (5-1); a plurality of sampling cups (5-7) are erected on the upper surface of the shaking chassis (2-2), and each sampling cup (5-7) is correspondingly arranged below each triangular flask (5-1);
the electric telescopic rod (2-1), the lifting motor (3-1) and the rotating motor (4-1) are electrically connected with the electric cabinet (6).
2. An agricultural product detection apparatus according to claim 1, wherein: the lower end surface of the filter screen (5-5) is fixed with a connecting hole column (5-5-1), and the connecting hole column (5-5-1) is inserted in the lower end of the bottle stopper (5-2).
3. An agricultural product detection apparatus according to claim 1, wherein: the shaking chassis (2-2) is provided with a placing groove which is vertically corresponding to the position of the jack on the suspension plate (4-3).
4. An agricultural product inspection method using the agricultural product inspection device according to claim 1, characterized in that:
(1) placing the triangular flask on a shaking chassis, shearing crops to be detected into the triangular flask in proper size, and adding a buffer solution;
(2) the lifting motor is started to drive the screw rod to rotate, so that the screw rod nut is driven to drive the rotating mechanism to descend until the bottle mouth of the triangular bottle is inserted into the insertion hole of the suspension plate, the lifting motor is stopped, and then the bottle plug is inserted into the bottle mouth of the triangular bottle to realize sealing;
(3) the lifting motor is started again to drive the rotating mechanism to ascend until the second sliding block is abutted against the upper top plate of the guide vertical plate, the lifting motor is stopped, the electric telescopic rod is started to stretch and retract, so that the shaking chassis is driven to shake continuously back and forth, the buffer solution in the triangular flask erected on the suspension plate and the detected crops are driven to shake together, and the electric telescopic rod is closed after the electric telescopic rod shakes for a certain time;
(4) the rotary motor is started to work, the rotary motor is closed after the rotary motor drives the suspension plate to rotate for 180 degrees, the triangular flask erected on the suspension plate is inverted on the suspension plate at the moment, the outer diameter of the flask body of the triangular flask is larger than the aperture of the insertion hole in the suspension plate, the triangular flask can be suspended and inverted on the suspension plate, after the triangular flask is kept still for a period of time, the liquid outlet valve is opened, the extracting solution is filtered by the filter screen and then is discharged into the sampling cup arranged on the shaking chassis, the extracting solution is extracted, and then the extracting solution is measured by the agricultural product pesticide residue rapid measuring instrument.
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| CN201910257763.7A CN109975498B (en) | 2019-04-01 | 2019-04-01 | Agricultural product detection device |
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| CN201910257763.7A CN109975498B (en) | 2019-04-01 | 2019-04-01 | Agricultural product detection device |
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| CN109975498B true CN109975498B (en) | 2022-02-08 |
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| CN113186091B (en) * | 2019-09-20 | 2022-10-21 | 河北圣雪大成制药有限责任公司 | Utilize oxygen carrier to improve fermenting installation of riboflavin output |
| CN111060656B (en) * | 2019-12-30 | 2022-05-20 | 安徽创佳安全环境科技有限公司 | Detection apparatus for examination poisonous and harmful pesticide residue |
| CN111318051B (en) * | 2020-03-16 | 2021-11-23 | 山东省食品药品检验研究院 | Extraction liquid separating device |
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| CN2856973Y (en) * | 2005-07-25 | 2007-01-10 | 中国环境科学研究院 | Rotary viberator |
| CN201233345Y (en) * | 2008-08-07 | 2009-05-06 | 中绿实业有限公司 | Turnover oscillator with multifunction objective table |
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Inventor after: Hu Yanxun Inventor after: Chen Peng Inventor after: Wang Lina Inventor after: Shen Yongle Inventor before: Hu Yanxun Inventor before: Cui Juan Inventor before: Wang Lina Inventor before: Shen Yongle |
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