CN115266695A - Intelligent pesticide residue detection method - Google Patents
Intelligent pesticide residue detection method Download PDFInfo
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- CN115266695A CN115266695A CN202210706627.3A CN202210706627A CN115266695A CN 115266695 A CN115266695 A CN 115266695A CN 202210706627 A CN202210706627 A CN 202210706627A CN 115266695 A CN115266695 A CN 115266695A
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- pesticide residue
- bevel gear
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- 238000001514 detection method Methods 0.000 title claims abstract description 91
- 239000000447 pesticide residue Substances 0.000 title claims abstract description 83
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 235000013311 vegetables Nutrition 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000012634 fragment Substances 0.000 claims abstract description 21
- 230000010355 oscillation Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 235000013305 food Nutrition 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 239000000575 pesticide Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N2021/786—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour with auxiliary heating for reaction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses an intelligent pesticide residue detection method, which is characterized by comprising the following steps: s1: putting the vegetable sample fragments and water into a vibration tank of a pesticide residue detection device; s2: starting a motor to enable the oscillating tank to oscillate while rotating, so that the vegetable sample fragments and the water are mixed; s3: when the second bevel gear rotates, the incomplete gear synchronously rotates to enable the complete gear to rotate, so that the rack slides along the direction of the sliding groove of the first supporting block, after the vegetable sample fragments and water are mixed, the reversing block on the rack impacts the bearing rod, the first bevel gear is far away from the second bevel gear, so that the oscillation tank stops rotating and stops oscillating; s4: when the rotating block rotates, the connecting block drives the arc-shaped piston rod and the arc-shaped sealing plug to slide in the arc-shaped piston cylinder in a reciprocating mode, so that liquid mixed in the oscillating tank is conveyed to the white pesticide residue detection card through the liquid inlet pipe and the liquid conveying pipe.
Description
Technical Field
The invention relates to the field of pesticide residue detection, in particular to an intelligent pesticide residue detection method.
Background
Food generally refers to food for people to eat, so food safety is important, food circulating on the market needs to be detected safely in order to ensure food safety, and the fruit pesticide residue detection device mainly detects pesticide residues such as organic phosphorus, carbamate and the like. The pesticide is a double-edged sword which has an important effect on promoting agricultural production increase, but because of inherent chemistry of the pesticide and frequent use of the pesticide, pesticide residue of agricultural products exceeds the standard, and the pesticide is harmful to the health of people.
At present, the existing pesticide residue detector usually needs manpower to observe whether the mixing of the vegetable sample fragments and water is completed, so that a great deal of energy is wasted, and an intelligent pesticide residue detection method is needed to solve the problems.
Disclosure of Invention
The invention aims to provide an intelligent pesticide residue detection method which has the advantages of automatic stop after mixing of vegetable sample fragments and water is finished, no manual operation is needed, and the problem that a great deal of energy is wasted because manpower is needed to observe whether mixing of the vegetable sample fragments and the water is finished is solved.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent pesticide residue detection method is characterized by comprising the following steps:
s1: putting the vegetable sample fragments and water into a vibration tank (3) of a pesticide residue detection device;
s2: starting the motor (2) to enable the oscillation tank (3) to oscillate while rotating, so that the vegetable sample fragments and water are mixed;
s3: when the second bevel gear (24) rotates, the incomplete gear (25) synchronously rotates to enable the complete gear (32) to rotate, so that the rack (41) slides along the direction of the sliding groove of the first supporting block (4), after the vegetable sample fragments and water are mixed, the reversing block (44) on the rack (41) impacts the bearing rod (27), the first bevel gear (23) is far away from the second bevel gear (24), so that the oscillation tank (3) stops rotating, and oscillation is stopped;
s4: when the rotating block (47) rotates, the connecting block (53) drives the arc-shaped piston rod (51) and the arc-shaped sealing plug (52) to slide in an arc-shaped piston cylinder (5) in a reciprocating manner, so that the mixed liquid in the oscillating tank (3) is conveyed to a white pesticide residue detection card through the liquid inlet pipe (55) and the liquid conveying pipe (56);
s5: when the first bevel gear (23) is far away from the second bevel gear (24), the first bevel gear (23) is meshed with the third bevel gear (26), so that the pesticide residue detection card on the first bevel gear is conveyed by the conveyor belt (6);
s6: when the reversing block (44) impacts the bearing rod (27), the reversing block is in contact with the pressure-sensitive switch (71), so that the heating wire (7) pre-reacts to the pesticide residue detection card in conveying;
s7: when the stop block (64) is matched with the baffle plate (8), the pesticide residue detection card beside the baffle plate (8) is folded along the crease, and the red tablet and the white tablet on the pesticide residue detection card are overlapped to react;
s8: and then, the motor (2) is turned off, the mixture is kept stand for three minutes, then the pesticide residue detection card is taken out manually, and the detection result is interpreted according to the color change of the white tablet.
Preferably, a sliding groove is formed in a bearing plate (1) of the pesticide residue detection device, a motor frame (21) is connected with the sliding groove in a limiting and sliding mode, and a motor (2) is fixed on the motor frame (21); the vegetable sample chip vibration device is characterized in that the motor (2) is connected with a first bevel gear (23) through an output shaft (22), a first rotating rod (11) is connected to the bearing plate (1) in a fixed-shaft rotating mode, a second bevel gear (24) and a non-complete gear (25) are fixed to the arc-shaped outline of the first rotating rod (11), and a vibration tank (3) used for vibrating vegetable sample chips to enable the vegetable sample chips to be mixed with water is fixed to the second bevel gear (24); four supporting plates (13) are fixed on the bearing plate (1), the opposite surfaces of every two supporting plates (13) are respectively connected with a first rotating shaft (61) and a second rotating shaft (62) in a fixed-shaft rotating mode, and a third bevel gear (26) is fixed at one end, extending out of the supporting plates (13), of the first rotating shaft (61); the second bevel gear (24) and the third bevel gear (26) are alternately meshed with the first bevel gear (23), and an automatic control mechanism for automatically controlling the oscillation ending is arranged on the bearing plate (1).
Preferably, the automatic control mechanism comprises a first supporting block (4) fixed on the bearing plate (1), a second rotating rod (31) is connected to the first supporting block (4) in a fixed-shaft rotating mode, and a complete gear (32) intermittently meshed with the incomplete gear (25) is fixed on an arc-shaped outline of the second rotating rod (31); the first supporting block (4) is provided with a sliding groove and is in limited sliding connection with a rack (41) meshed with the complete gear (32) through the sliding groove, the rack (41) is provided with a sliding groove and is in limited sliding connection with a reversing block (44) through the sliding groove, and a first clamping block (45) is fixed on the upper surface of the reversing block (44); a supporting block (42) is fixed on the upper surface of the rack (41), a first spring (43) is fixed on the supporting block (42), and one end, far away from the supporting block (42), of the first spring (43) is fixed with a reversing block (44).
Preferably, the bearing plate (1) is provided with a piston mechanism for conveying the mixed liquid to the pesticide residue detection card white tablet;
the piston mechanism comprises a second supporting block (12) fixed on the bearing plate (1), an arc-shaped piston cylinder (5) is fixed on the second supporting block (12), and an arc-shaped sealing plug (52) is axially connected on the inner wall of the arc-shaped piston cylinder (5) in a sliding manner; an arc piston rod (51) is fixed on the arc sealing plug (52); a connecting block (53) is fixed at one end, far away from the arc-shaped sealing plug (52), of the arc-shaped piston rod (51), the connecting block (53) is fixed with the rotating block (47), a second spring (54) is placed in the arc-shaped piston cylinder (5), and two ends of the second spring (54) are respectively fixed with the arc-shaped sealing plug (52) and the arc-shaped piston cylinder (5);
the piston mechanism further comprises a liquid inlet pipe (55) and a liquid conveying pipe (56), the arc-shaped piston cylinder (5) is fixedly communicated with the oscillation tank (3) through the liquid inlet pipe (55), and one end, far away from the liquid inlet pipe (55), of the arc-shaped piston cylinder (5) is fixedly communicated with the liquid conveying pipe (56); one end of the infusion tube (56) far away from the arc-shaped piston cylinder (5) is positioned right above the white tablets of the pesticide residue detection card, and the liquid inlet tube (55) and the infusion tube (56) are both fixed with one-way valves (57).
Preferably, the bearing plate (1) is provided with an auxiliary mechanism for heating and folding the pesticide residue detection card.
In the present case, the complementary unit is including fixing support frame (14) on bearing plate (1) and fixing baffle (8) on bearing plate (1), wherein: a heating wire (7) is fixed on the lower surface of the support frame (14), a pressure-sensitive switch (71) is fixed on the bearing rod (27), and the pressure-sensitive switch (71) is electrically connected with the heating wire (7); the baffle (8) is matched with the stop block (64) to fold the pesticide residue detection card in half, so that the red tablets and the white tablets are overlapped and react.
The beneficial effects are as follows:
1. the detection method achieves the effects that after the vegetable sample fragments and water are mixed, the white tablets automatically stop and automatically convey the mixed liquid to the pesticide residue detection card, and simultaneously, the white tablets are automatically heated for pre-reaction and automatically folded in half.
2. According to the detection method, the automatic control mechanism is arranged, so that the detection method can be automatically stopped after the vegetable sample fragments and water are mixed, and the effect of no need of manual operation is achieved.
3. According to the detection method, the conveying mechanism is arranged, so that the pesticide residue detection card on the conveying belt is automatically conveyed by the conveying belt without manual movement.
4. According to the detection method, the piston mechanism is arranged, so that the effect that the mixed liquid is automatically conveyed to the white tablet of the pesticide residue detection card without manual operation is achieved.
5. According to the detection method, the auxiliary mechanism is arranged, so that the temperature is kept at 37 ℃ through the heating wire when the pesticide residue detection card is conveyed and pre-reacted, the detection quality is improved, meanwhile, the pesticide residue detection card is folded along the crease, and therefore the red tablets and the white tablets on the pesticide residue detection card are overlapped and reacted, manual pinching is reduced, and the effect of accidents caused by manual pinching is avoided.
6. The detection method has high precision and good efficiency, and effectively overcomes the defects of the prior art.
Drawings
FIG. 1 is a schematic view of the overall structure of a detection device used in the present invention;
FIG. 2 is a schematic structural view of a first bevel gear, a second bevel gear and a third bevel gear of a detection device adopted by the invention;
FIG. 3 is a schematic view of the structure of an automatic control mechanism of the detection device used in the present invention;
FIG. 4 is a schematic structural view of an automatic control mechanism and a piston mechanism of the detection device employed in the present invention;
FIG. 5 is a schematic sectional view of the piston mechanism of the detecting device of the present invention;
FIG. 6 is a schematic view of the conveying mechanism and the auxiliary mechanism of the detecting device used in the present invention
Fig. 7 is a schematic structural section view of a conveying mechanism and an auxiliary mechanism of a detection device adopted by the invention.
In the figure: 1. a bearing plate; 11. a first rotating lever; 12. a second support block; 13. a support plate; 14. a support frame; 2. a motor; 21. a motor frame; 22. an output shaft; 23. a first bevel gear; 24. a second bevel gear; 25. a non-full gear; 26. a third bevel gear; 27. a load-bearing bar; 3. a vibration tank; 31. a second rotating lever; 32. a full gear; 4. a first support block; 41. a rack; 42. a resisting block; 43. a first spring; 44. a commutation block; 45. a first clamping block; 46. a support bar; 47. rotating the block; 48. a second fixture block; 5. an arc-shaped piston cylinder; 51. an arc-shaped piston rod; 52. an arc-shaped sealing plug; 53. connecting blocks; 54. a second spring; 55. a liquid inlet pipe; 56. a transfusion tube; 57. a one-way valve; 6. a conveyor belt; 61. a first rotating shaft; 62. a second rotating shaft; 63. a rotating roller; 64. a stopper; 7. a heating wire; 71. a pressure sensitive switch; 8. and a baffle plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 7, an intelligent pesticide residue detection method is characterized by comprising the following steps:
s1: putting the vegetable sample fragments and water into a vibration tank 3 of a pesticide residue detection device;
example one
The invention provides a technical scheme that: the pesticide residue detection device comprises a bearing plate 1, a sliding groove is formed in the bearing plate 1, a motor frame 21 is connected to the bearing plate 1 in a limiting sliding mode through the sliding groove, a motor 2 is fixed to the motor frame 21, an output shaft 22 is fixed to the output end of the motor 2, a first bevel gear 23 is fixed to the arc-shaped outline of the output shaft 22, a first rotating rod 11 is connected to the bearing plate 1 in a fixed-shaft rotating mode, a second bevel gear 24 and a non-complete gear 25 are fixed to the arc-shaped outline of the first rotating rod 11, an oscillating tank 3 used for oscillating vegetable sample fragments to enable the vegetable sample fragments to be mixed with water is fixed to the second bevel gear 24, four supporting plates 13 are fixed to the bearing plate 1, opposite surfaces of every two supporting plates 13 are respectively connected with a first rotating shaft 61 and a second rotating shaft 62 in a fixed-shaft rotating mode, a third bevel gear 26 is fixed to one end, extending out of the supporting plates 13 from the first rotating shaft 61, the second bevel gear 24 and the third bevel gear 26 are alternately meshed with the first bevel gear 23, and an automatic control mechanism capable of automatically controlling oscillation ending is arranged on the bearing plate 1.
Referring to fig. 1 and 2, in use, the vegetable sample is first wiped to remove surface soil, then cut into pieces, then the vegetable sample pieces and water are put into the cleaned shaking tank 3, and then the pesticide residue detection card is placed beside the block 64.
Subsequently, the motor 2 is started, the output shaft 22 rotates, so that the first bevel gear 23 thereon rotates, and the second bevel gear 24 rotates synchronously due to the engagement of the first bevel gear 23 and the second bevel gear 24, so that the oscillating tank 3 on the second bevel gear 24 rotates synchronously, and the vegetable sample pieces and the water in the oscillating tank 3 are mixed while oscillating.
Further, automatic control mechanism is including fixing first supporting block 4 on bearing plate 1, the dead axle rotates on first supporting block 4 and is connected with second dwang 31, be fixed with on the arc profile of second dwang 31 with the complete gear 32 of incomplete gear 25 intermittent type meshing, set up the spout on first supporting block 4 and have the rack 41 with complete gear 32 meshing through the spacing sliding connection of this spout, set up the spout on rack 41 and have switching-over piece 44 through the spacing sliding connection of this spout, the last fixed surface of switching-over piece 44 has first fixture block 45, the last fixed surface of rack 41 has support block 42, be fixed with first spring 43 on support block 42, the one end that support block 42 was kept away from to first spring 43 is fixed with switching-over piece 44.
Further, the automatic control mechanism further comprises a supporting rod 46 fixed on the first supporting block 4, a rotating block 47 is coaxially and rotatably connected to the arc-shaped contour of the supporting rod 46, a second clamping block 48 matched with the first clamping block 45 is fixed on the lower surface of the rotating block 47, inclined planes matched with each other are respectively arranged on the rotating block 47 and the abutting block 42, and a bearing rod 27 matched with the reversing block 44 is fixed on the motor frame 21.
Referring to fig. 1, 3 and 4, when the second bevel gear 24 rotates synchronously, the first rotating rod 11 fixed to the second bevel gear 24 rotates synchronously, so that the incomplete gear 25 rotates synchronously, the complete gear 32 rotates due to the engagement of the incomplete gear 25 and the complete gear 32, the complete gear 32 is engaged with the rack 41, so that the rack 41 slides in the direction of the chute of the first supporting block 4, the first fixture 45 on the lower surface of the rotating block 47 is engaged with the second fixture 48, so that when the rack 41 slides in the direction of the bearing rod 27, the reversing block 44 does not slide at this time, until the mixing of the vegetable sample fragments and water is completed, the inclined surface of the abutting block 42 on the rack 41 abuts against the inclined surface of the rotating block 47, then the rotating block 47 makes an upward circumferential motion along the inclined surface of the abutting block 42 with the supporting rod 46 as a center, so that the first fixture 45 is not engaged with the second fixture 48, so that the elastic force of the first spring 43 is released, the reversing block 44 is ejected towards the direction of the bearing rod 27, thereby impacting on the bearing rod 27, so that the bearing rod 27 drives the third bevel gear rack to drive the conical gear 23 to rotate along the direction of the conical gear 23, and the third bevel gear 23, thereby eliminating the manual oscillation of the vegetable sample mixing operation after the third bevel gear 23 is completed, and the third bevel gear 23 is finished.
Example two
Basically the same as the first embodiment, in the first embodiment, a conveying mechanism for conveying the pesticide residue detection card is arranged on the first rotating shaft 61 and the second rotating shaft 62, the conveying mechanism includes two rotating rollers 63 and a conveyor belt 6, the two rotating rollers 63 are respectively fixed on the first rotating shaft 61 and the second rotating shaft 62, the two rotating rollers 63 are in transmission connection through the conveyor belt 6, and a stopper 64 for limiting the pesticide residue detection card is fixed on the conveyor belt 6.
Referring to fig. 1, 2 and 6, when the first bevel gear 23 is engaged with the third bevel gear 26, the third bevel gear 26 rotates synchronously, so that the first rotating shaft 61 rotates, and the rotating rollers 63 thereon rotate, and because the two rotating rollers 63 are in transmission connection through the conveyor belt 6, the conveyor belt 6 conveys the pesticide residue detection card thereon, and the effect of limiting the pesticide residue detection card to avoid the disorder of the pesticide residue detection card in conveying position is achieved by arranging the stopper 64.
EXAMPLE III
Basically the same as the second embodiment, in this embodiment, a piston mechanism for conveying the mixed liquid to the pesticide residue detection card white tablet is arranged on the bearing plate 1, the piston mechanism includes a second supporting block 12 fixed on the bearing plate 1, an arc-shaped piston cylinder 5 is fixed on the second supporting block 12, an arc-shaped sealing plug 52 is axially and slidably connected to the inner wall of the arc-shaped piston cylinder 5, an arc-shaped piston rod 51 is fixed on the arc-shaped sealing plug 52, a connecting block 53 is fixed at one end of the arc-shaped piston rod 51 far away from the arc-shaped sealing plug 52, the connecting block 53 is fixed to the rotating block 47, a second spring 54 is placed in the arc-shaped piston cylinder 5, and two ends of the second spring 54 are fixed to the arc-shaped sealing plug 52 and the arc-shaped piston cylinder 5 respectively.
Referring to fig. 1, 4 and 5, when the rotating block 47 makes an upward circular motion along the inclined plane of the abutting block 42 with the supporting rod 46 as the center of circle, the connecting block 53 fixed with the rotating block drives the arc-shaped piston rod 51 and the arc-shaped sealing plug 52 to synchronously slide upward in the arc-shaped piston cylinder 5, and when the rotating block 47 rotates upward and finishes sliding downward under the action of gravity, the elastic force of the second spring 54 is released, so that the arc-shaped piston rod 51 and the arc-shaped sealing plug 52 synchronously slide downward in the arc-shaped piston cylinder 5, and further the air pressure in the arc-shaped piston cylinder 5 changes in a reciprocating manner.
The piston mechanism further comprises a liquid inlet pipe 55 and a liquid conveying pipe 56, the arc-shaped piston cylinder 5 is fixedly communicated with the oscillation tank 3 through the liquid inlet pipe 55, one end, far away from the liquid inlet pipe 55, of the arc-shaped piston cylinder 5 is fixedly communicated with the liquid conveying pipe 56, one end, far away from the arc-shaped piston cylinder 5, of the liquid conveying pipe 56 is located right above the pesticide residue detection card white tablets, and one-way valves 57 are fixed on the liquid inlet pipe 55 and the liquid conveying pipe 56.
Referring to fig. 1, fig. 4 and fig. 5, when arc piston rod 51 and arc sealing plug 52 upwards slide in arc piston tube 5 in step, cooperation through check valve 57, produce the negative pressure, thereby feed liquor pipe 55 will vibrate the mixed liquid in jar 3 and inhale in arc piston tube 5, when arc piston rod 51 and arc sealing plug 52 synchronous downward slip in arc piston tube 5, through the cooperation through check valve 57, produce the high pressure, thereby mixed liquid in arc piston tube 5 passes through transfer line 56 and carries to the white tablet of pesticide residue detection card, it need not manual operation to have reached, the automatic effect of carrying mixed liquid to the white tablet of pesticide residue detection card.
Example four
Basically the same as the third embodiment, in the present embodiment, an auxiliary mechanism for heating and folding the pesticide residue detection card is arranged on the bearing plate 1, the auxiliary mechanism includes a support frame 14 fixed on the bearing plate 1, a heating wire 7 is fixed on the lower surface of the support frame 14, a pressure sensitive switch 71 is fixed on the bearing rod 27, and the pressure sensitive switch 71 is electrically connected to the heating wire 7.
Referring to fig. 1, 4, 5, 6 and 7, when the direction changing block 44 impacts the bearing rod 27, the direction changing block 44 contacts the pressure sensitive switch 71 on the bearing rod 27, so that the heating wire 7 electrically connected with the pressure sensitive switch 71 is started, and the temperature is maintained at 37 ℃ by the heating wire 7 when the pesticide residue detection card is conveyed and pre-reacted, thereby improving the detection quality.
The auxiliary mechanism comprises a baffle plate 8 fixed on the bearing plate 1, and the pesticide residue detection card is folded in half by matching the baffle plate 8 with the stop block 64, so that the red tablets and the white tablets are overlapped and react.
Referring to fig. 1, 6 and 7, when conveyer belt 6 detected the card transmission with pesticide residue to being close to 8 ends of baffle, through the cooperation of baffle 8 and dog 64, made pesticide residue detect the card along the crease fifty percent discount to red tablet and the white tablet coincide on the pesticide residue detects the card and reacts, has reduced artifical hand and has held between the fingers, and has avoided the manual work to cause the accident when holding between the fingers in the hand.
The working principle is as follows: when the motor 2 is started, the output shaft 22 rotates, so that the first bevel gear 23 thereon rotates, and since the first bevel gear 23 is engaged with the second bevel gear 24 at this time, the second bevel gear 24 rotates synchronously, so that the oscillation tank 3 on the second bevel gear 24 rotates synchronously, and thus the vegetable sample pieces and the water in the oscillation tank 3 are mixed while oscillating.
When the second bevel gear 24 rotates synchronously, the first rotating rod 11 fixed to the second bevel gear 24 rotates synchronously, so that the incomplete gear 25 rotates synchronously, the incomplete gear 25 is meshed with the complete gear 32 to rotate the complete gear 32, the complete gear 32 is meshed with the rack 41 to slide the rack 41 in the direction of the chute of the first support block 4, the first fixture block 45 and the second fixture block 48 on the lower surface of the rotating block 47 are matched, so that when the rack 41 slides in the direction of the bearing rod 27, the reversing block 44 cannot slide at this time until the vegetable sample fragments and water are mixed, the inclined surface of the support block 42 on the rack 41 is abutted against the inclined surface of the rotating block 47, then the rotating block 47 performs circular motion in the upward direction along the inclined surface of the support block 42 by taking the support rod 46 as a center, so that the first fixture block 45 is not matched with the second fixture block 48, the elastic force of the first spring 43 is released, the reversing block 44 is ejected towards the bearing rod 27 along the chute to impact on the bearing rod 27, the bearing rod 27 drives the motor rack 21 to slide in the direction of the third bevel gear 26, the first fixture block 45 is not matched with the second bevel gear 26, the third bevel gear 23, the conical gear 23, and the water is not meshed with the third bevel gear 23, and the automatic vibration of the vegetable sample tank is cancelled, and the tank is cancelled.
When the rotating block 47 makes an upward circular motion along the inclined plane of the abutting block 42 with the supporting rod 46 as the center of circle, the connecting block 53 fixed to the rotating block drives the arc-shaped piston rod 51 and the arc-shaped sealing plug 52 to synchronously slide upward in the arc-shaped piston cylinder 5, and when the rotating block 47 rotates upward and finishes downward sliding under the action of gravity, the elastic force of the second spring 54 is released, so that the arc-shaped piston rod 51 and the arc-shaped sealing plug 52 synchronously slide downward in the arc-shaped piston cylinder 5, and further the air pressure in the arc-shaped piston cylinder 5 changes in a reciprocating manner, as described in detail below:
in the above, when the arc piston rod 51 and the arc sealing plug 52 synchronously slide upwards in the arc piston cylinder 5, through the cooperation of the check valve 57, negative pressure is generated, so that the liquid inlet pipe 55 sucks the mixed liquid in the oscillation tank 3 into the arc piston cylinder 5, and when the arc piston rod 51 and the arc sealing plug 52 synchronously slide downwards in the arc piston cylinder 5, through the cooperation of the check valve 57, high pressure is generated, so that the mixed liquid in the arc piston cylinder 5 is conveyed to the white medicine tablet of the pesticide residue detection card through the liquid conveying pipe 56.
When first conical gear 23 and third conical gear 26 meshing, third conical gear 26 synchronous rotation makes first axis of rotation 61 rotate to live-rollers 63 on it rotates, because two live-rollers 63 pass through conveyer belt 6 transmission and connect, makes conveyer belt 6 convey the pesticide residue detection card on it, has reached through setting up dog 64 that the pesticide residue detection card is spacing to avoid the pesticide residue to detect the effect that the card is in disorder in position in the conveying.
When the reversing block 44 impacts the bearing rod 27, the reversing block 44 contacts the pressure sensitive switch 71 on the bearing rod 27, so that the heating wire 7 electrically connected with the pressure sensitive switch 71 is started, and the temperature is kept at 37 ℃ by the heating wire 7 when the pesticide residue detection card performs a transmission pre-reaction, thereby improving the detection quality.
When conveyer belt 6 detected the card transmission with pesticide residue to being close to 8 ends of baffle, through the cooperation of baffle 8 and dog 64, made pesticide residue detect the card along the crease fifty percent discount to the red tablet on the pesticide residue detects the card reacts with the coincide of white tablet, has reduced artifical the hand and has held between the fingers, and has avoided the manual work to hold between the fingers the accident that the time caused.
S2: starting the motor 2 to enable the oscillation tank 3 to oscillate while rotating, so as to mix the vegetable sample fragments with water;
s3: when the second bevel gear 24 rotates, the incomplete gear 25 synchronously rotates, so that the complete gear 32 rotates, the rack 41 slides along the direction of the chute of the first supporting block 4, and after the vegetable sample fragments and water are mixed, the reversing block 44 on the rack 41 impacts the bearing rod 27, so that the first bevel gear 23 is far away from the second bevel gear 24, the oscillating tank 3 stops rotating, and oscillation stops;
s4: when the rotating block 47 rotates, the connecting block 53 drives the arc-shaped piston rod 51 and the arc-shaped sealing plug 52 to slide in the arc-shaped piston cylinder 5 in a reciprocating manner, so that the mixed liquid in the oscillation tank 3 is conveyed to the pesticide residue detection card white tablet through the liquid inlet pipe 55 and the liquid conveying pipe 56;
s5: when the first bevel gear 23 is far away from the second bevel gear 24, the first bevel gear 23 is meshed with the third bevel gear 26, so that the conveyer belt 6 conveys the pesticide residue detection card on the conveyer belt;
s6: when the reversing block 44 impacts the bearing rod 27, the reversing block contacts the pressure-sensitive switch 71, so that the heating wire 7 pre-reacts the pesticide residue detection card in transmission;
s7: when the stop block 64 is matched with the baffle plate 8, the pesticide residue detection card beside the baffle plate 8 is folded along the crease, and the red tablets and the white tablets on the pesticide residue detection card are overlapped and react;
s8: and then, the motor 2 is turned off, the mixture is kept stand for three minutes, then the pesticide residue detection card is taken out manually, and the detection result is interpreted according to the color change of the white tablet.
Claims (6)
1. An intelligent pesticide residue detection method is characterized by comprising the following steps:
s1: putting the vegetable sample fragments and water into a vibration tank (3) of a pesticide residue detection device;
s2: starting a motor (2) to enable the oscillating tank (3) to oscillate while rotating, so that the vegetable sample fragments and the water are mixed;
s3: when the second bevel gear (24) rotates, the incomplete gear (25) synchronously rotates to enable the complete gear (32) to rotate, so that the rack (41) slides along the direction of the sliding groove of the first supporting block (4), after the vegetable sample fragments and water are mixed, the reversing block (44) on the rack (41) impacts the bearing rod (27), the first bevel gear (23) is far away from the second bevel gear (24), so that the oscillation tank (3) stops rotating, and oscillation is stopped;
s4: when the rotating block (47) rotates, the connecting block (53) drives the arc-shaped piston rod (51) and the arc-shaped sealing plug (52) to slide in an arc-shaped piston cylinder (5) in a reciprocating manner, so that the mixed liquid in the oscillating tank (3) is conveyed to a white pesticide residue detection card through the liquid inlet pipe (55) and the liquid conveying pipe (56);
s5: when the first bevel gear (23) is far away from the second bevel gear (24), the first bevel gear (23) is meshed with the third bevel gear (26), so that the pesticide residue detection card on the first bevel gear is conveyed by the conveyor belt (6);
s6: when the reversing block (44) impacts the bearing rod (27), the reversing block is contacted with the pressure-sensitive switch (71), so that the heating wire (7) pre-reacts to the pesticide residue detection card in the conveying process;
s7: when the stop block (64) is matched with the baffle plate (8), the pesticide residue detection card beside the baffle plate (8) is folded along the crease, and the red tablet and the white tablet on the pesticide residue detection card are overlapped to react;
s8: and then, the motor (2) is turned off, the mixture is kept stand for three minutes, then the pesticide residue detection card is taken out manually, and the detection result is interpreted according to the color change of the white tablet.
2. The intelligent pesticide residue detection method according to claim 1, characterized in that: a sliding groove is formed in a bearing plate (1) of the pesticide residue detection device, a motor frame (21) is connected with the sliding groove in a limiting and sliding mode, and a motor (2) is fixed on the motor frame (21); the vegetable sample chip vibration device is characterized in that the motor (2) is connected with a first bevel gear (23) through an output shaft (22), a first rotating rod (11) is connected to the bearing plate (1) in a fixed-shaft rotating mode, a second bevel gear (24) and a non-complete gear (25) are fixed to the arc-shaped outline of the first rotating rod (11), and a vibration tank (3) used for vibrating vegetable sample chips to enable the vegetable sample chips to be mixed with water is fixed to the second bevel gear (24); four supporting plates (13) are fixed on the bearing plate (1), the opposite surfaces of every two supporting plates (13) are respectively connected with a first rotating shaft (61) and a second rotating shaft (62) in a fixed-shaft rotating manner, and a third bevel gear (26) is fixed at one end of the first rotating shaft (61) extending out of the supporting plates (13); the second bevel gear (24) and the third bevel gear (26) are alternately meshed with the first bevel gear (23), and an automatic control mechanism for automatically controlling the oscillation ending is arranged on the bearing plate (1).
3. The intelligent pesticide residue detection method according to claim 1, characterized in that: the automatic control mechanism comprises a first supporting block (4) fixed on the bearing plate (1), a second rotating rod (31) is connected to the first supporting block (4) in a fixed-shaft rotating mode, and a complete gear (32) intermittently meshed with the incomplete gear (25) is fixed on the arc-shaped outline of the second rotating rod (31); the first supporting block (4) is provided with a sliding groove and is in limited sliding connection with a rack (41) meshed with the complete gear (32) through the sliding groove, the rack (41) is provided with a sliding groove and is in limited sliding connection with a reversing block (44) through the sliding groove, and a first clamping block (45) is fixed on the upper surface of the reversing block (44); a supporting block (42) is fixed on the upper surface of the rack (41), a first spring (43) is fixed on the supporting block (42), and one end, far away from the supporting block (42), of the first spring (43) is fixed with a reversing block (44).
4. The intelligent pesticide residue detection method according to claim 3, characterized in that: the bearing plate (1) is provided with a piston mechanism for conveying the mixed liquid to the pesticide residue detection card white tablet;
the piston mechanism comprises a second supporting block (12) fixed on the bearing plate (1), an arc-shaped piston cylinder (5) is fixed on the second supporting block (12), and an arc-shaped sealing plug (52) is axially connected to the inner wall of the arc-shaped piston cylinder (5) in a sliding manner; an arc piston rod (51) is fixed on the arc sealing plug (52); a connecting block (53) is fixed at one end, far away from the arc-shaped sealing plug (52), of the arc-shaped piston rod (51), the connecting block (53) is fixed with the rotating block (47), a second spring (54) is placed in the arc-shaped piston cylinder (5), and two ends of the second spring (54) are respectively fixed with the arc-shaped sealing plug (52) and the arc-shaped piston cylinder (5);
the piston mechanism further comprises a liquid inlet pipe (55) and a liquid conveying pipe (56), the arc-shaped piston cylinder (5) is fixedly communicated with the oscillation tank (3) through the liquid inlet pipe (55), and one end, far away from the liquid inlet pipe (55), of the arc-shaped piston cylinder (5) is fixedly communicated with the liquid conveying pipe (56); one end of the liquid conveying pipe (56), which is far away from the arc-shaped piston cylinder (5), is positioned right above the white tablets of the pesticide residue detection card, and the liquid inlet pipe (55) and the liquid conveying pipe (56) are both fixed with one-way valves (57).
5. The intelligent pesticide residue detection method according to claim 4, characterized in that: the bearing plate (1) is provided with an auxiliary mechanism for heating and folding the pesticide residue detection card.
6. The intelligent pesticide residue detection method of claim 5, which is characterized in that: complementary unit is including fixing support frame (14) on bearing plate (1) and fixing baffle (8) on bearing plate (1), wherein: a heating wire (7) is fixed on the lower surface of the support frame (14), a pressure-sensitive switch (71) is fixed on the bearing rod (27), and the pressure-sensitive switch (71) is electrically connected with the heating wire (7); the baffle (8) is matched with the stop block (64) to fold the pesticide residue detection card in half, so that the red tablets and the white tablets are overlapped and react.
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| CN213482073U (en) * | 2020-09-30 | 2021-06-18 | 创严检测(天津)有限公司 | Automatic detection device for detecting pesticide residue in fruit and vegetable determination |
| CN216726961U (en) * | 2021-11-04 | 2022-06-14 | 深圳阿尔法商品检验有限公司 | Equipment that constant temperature was vibrate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108693321A (en) * | 2018-06-05 | 2018-10-23 | 深圳市安思科电子科技有限公司 | A kind of Detecting Pesticide pretreatment unit |
| CN110455599A (en) * | 2019-09-06 | 2019-11-15 | 东阳罗素电子科技有限公司 | A kind of Rapid pesticide residue detection device |
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| CN213482073U (en) * | 2020-09-30 | 2021-06-18 | 创严检测(天津)有限公司 | Automatic detection device for detecting pesticide residue in fruit and vegetable determination |
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| CN216726961U (en) * | 2021-11-04 | 2022-06-14 | 深圳阿尔法商品检验有限公司 | Equipment that constant temperature was vibrate |
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| CN115266695B (en) | 2023-10-31 |
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