CN111551547B - Agricultural product pesticide residue detection device - Google Patents
Agricultural product pesticide residue detection device Download PDFInfo
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- CN111551547B CN111551547B CN202010589964.XA CN202010589964A CN111551547B CN 111551547 B CN111551547 B CN 111551547B CN 202010589964 A CN202010589964 A CN 202010589964A CN 111551547 B CN111551547 B CN 111551547B
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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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
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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
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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Abstract
The invention discloses a device for detecting pesticide residue of agricultural products, and belongs to the technical field of pesticide residue detection. The utility model provides an agricultural product pesticide residue detection device, including smashing the case, the mixing box, transmission structure and crushing structure, smash case and the mutual fixed connection of mixing box, and smash the upside that the case is located the mixing box, smash bottom of the case opening part and be equipped with first solenoid valve, the mixing box is close to the side tip of upside and is equipped with the water inlet, it is used for holding and waits to detect agricultural product and carry out shredding to agricultural product to smash the case to smash, can wait to detect agricultural product and smash through the setting of crushing piece, make agricultural product surface and the inside pesticide residue of agricultural product all can be detected, the detection efficiency is improved, and crushing piece still can play the effect of clearing up the agricultural product and smashing the thing, simultaneously through the setting of crushing case and mixing box, the collection waits to detect the crushing of agricultural product, dilute and detect as an organic whole, reduce required area in the testing process, easy operation is convenient.
Description
Technical Field
The invention relates to the technical field of pesticide residue detection, in particular to a device for detecting pesticide residue of agricultural products.
Background
The development of agricultural industrialization makes the production of agricultural products depend on exogenous substances such as pesticides, antibiotics and hormones. The amount of agricultural chemicals in agricultural products in China is high, and the unreasonable use of the substances can lead to the overproof pesticide residues in the agricultural products, influence the edible safety of consumers, and cause the consumers to have diseases and abnormal development in serious cases, even directly cause poisoning and death. The over-standard pesticide residue also affects the trade of agricultural products, countries in the world pay high attention to the problem of pesticide residue, and increasingly strict limit standards are stipulated for pesticide residue in various agricultural and sideline products, so that the export of agricultural products in China faces a severe challenge.
In the prior art, the pesticide residue on the outer surface of an agricultural product is generally directly detected, and only the pesticide residue on the outer surface can be detected, but whether pesticide residue exists in the agricultural product cannot be detected; or the agricultural products are directly crushed and then the pesticide residue quantity of the agricultural products is detected, and the pesticide residue quantity of the agricultural products on the outer surface and the inner part cannot be respectively detected.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a device for detecting agricultural product pesticide residue, which can crush an agricultural product to be detected through the arrangement of a crushing piece, so that pesticide residues on the outer surface of the agricultural product and in the agricultural product can be detected, the detection efficiency is improved, the crushing piece can also play a role in cleaning crushed agricultural products, and meanwhile, through the arrangement of a crushing box and a mixing box, the crushing, dilution and detection of the agricultural product to be detected are integrated, the occupied area required in the detection process is reduced, and the operation is simple and convenient.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A pesticide residue detection device for agricultural products comprises a crushing box, a mixing box, a transmission structure and a crushing structure; the crushing box and the mixing box are fixedly connected with each other, and the crushing box is positioned on the upper side of the mixing box;
a first electromagnetic valve is arranged at an opening at the bottom of the crushing box; a water inlet is formed in the side end part, close to the upper side, of the mixing box;
the crushing box is used for containing agricultural products to be detected and crushing the agricultural products; the mixing box is used for uniformly mixing the crushed agricultural products to be detected with clean water;
the crushing structure part is positioned in the crushing box, and the crushing structure is used for crushing the outer surface of the agricultural product to be detected and the inner part of the agricultural product;
the transverse length and the inclination angle of the crushing structure in the crushing box are variable, and the crushing structure is used for cleaning crushed agricultural products remained on the inner wall of the crushing box;
the transmission structure is arranged at the upper part of the crushing box and is used for driving the crushing structure to rotate in the crushing box;
a separation structure is arranged in the mixing box, the separation structure divides the interior of the mixing box into a mixing cavity and a reaction cavity, and the mixing cavity is positioned on the upper side of the reaction cavity;
a stirring structure for uniformly mixing the crushed agricultural products and the clear water is arranged in the mixing cavity;
the reaction cavity is internally provided with a reagent storage structure which can be used for agricultural products mixed with clear water to flow in and generate chemical reaction, and the reagent storage structure is detachably connected with the mixing box.
Furthermore, the transmission structure includes the first rotating electrical machines that sets firmly in crushing case upper portion, sets firmly in the driving gear of first rotating electrical machines output and the driven gear that the meshing is connected in the driving gear side, and when first rotating electrical machines started, drive the driving gear and rotate, and the meshing between driving gear and the driven gear makes driven gear follow the driving gear and rotate, and then drives crushing structure and rotate.
Further, crushing structure includes a rotatory section of thick bamboo, sets firmly in the multiunit crushing piece that a rotatory section of thick bamboo is located the outer end of crushing incasement, locates the inside inclination's that is used for changing the crushing piece of a rotatory section of thick bamboo regulation structure and locates to be used for on the regulation structure and carry out the hook structure fixed to the regulation structure, rotatory bobbin base is run through crushing incasement end and is extended to crushing incasement portion, driven gear sets firmly in the outside that a rotatory section of thick bamboo is located the outer one end of crushing incasement, and when the inclination of crushing piece takes place the change of certain degree, the axial length of crushing piece becomes long, can clear up the inner wall of crushing case after smashing agricultural product, and the crushing piece can be rotary motion, helps making broken agricultural product fall down sooner.
Furthermore, the crushing piece comprises two crushing bodies which are symmetrically distributed about the rotary drum, each crushing body comprises a connecting part which is rotatably connected with the outer wall of the rotary drum (the upper right end of the connecting part and the outer wall of the rotary drum rotate, so that the connecting part can rotate downwards by a certain angle around the outer wall of the rotary drum, and a tangent plane is arranged between the right end of the connecting part and the bottom end of the connecting part, so that when the connecting part rotates around the outer wall of the rotary drum, the rotatable range of the connecting part is larger through the arrangement of the tangent plane, a plurality of crushing teeth which are fixedly arranged on the outer wall of the connecting part (preferably, the crushing teeth are arranged on the outer wall of the lower half part of the connecting part, so that when the connecting part inclines, the crushed agricultural product stuck on the crushing teeth easily falls down under the action of gravity), a chute which is arranged at one end of the connecting part far away from the rotary drum, a first extending part and a second extending part which are slidably connected in the chute, and a limiting structure which is arranged at one end of the connecting part far away from the rotary drum, the limiting structure is used for fixing the minimum length position and the maximum length position of the first extending part and the second extending part exposed out of the sliding groove, the first extending part and the second extending part are of an integrated structure, in an initial state, the second extending part is hidden in the sliding groove, only the first extending part is exposed out of the sliding groove, the length of the grinding piece in the state is minimum, the grinding piece is used for grinding the agricultural products in the grinding box, when the agricultural products are ground completely, the adjusting structure loses the support of the grinding piece through adjusting the adjusting structure, at the moment, the grinding piece starts to rotate downwards around the outer wall of the rotary cylinder under the action of self gravity, the limiting structure is gradually separated from the first limiting groove, after the first extending part rotates to a proper position where the first extending part just contacts with the inner wall of the grinding box, the first extending part and the second extending part start to slide out of the sliding groove along with the rotation of the connecting part, and the second extending part slides to the foremost side part of the sliding groove, meanwhile, the limiting structure is clamped into the second limiting groove, under the state, the first rotating motor is started, the rotating cylinder and the crushing piece can be driven to rotate, the first extending portions scrape the agricultural product crushed objects which can be attached to the inner wall of the crushing box, the agricultural product crushed objects which are attached to the inner wall of the crushing box in the gap between every two adjacent upper and lower first extending portions are located, although the first extending portions are not contacted, the part of the scraped agricultural product crushed objects can carry and scrape the agricultural product crushed objects on the lower side along with the scraping effect of the first extending portions on the upper side.
Further, the limiting structure comprises a limiting part which is rotatably connected to one end of the connecting part far away from the rotary cylinder and a guide surface arranged at the bottom end of the limiting part, the rotary connecting part between the limiting part and the connecting part is positioned at the upper side of the connecting part, the side end of the first extending part close to the limiting part is provided with a first limiting groove, the upper end of the second extending part is provided with a second limiting groove, the included angles between the inner wall of the second limiting groove and the first limiting groove, which are contacted with the guide surface, and the vertical plane of the limiting part are both larger than the included angle between the guide surface and the vertical plane of the limiting part, the included angle between the second limiting groove and the vertical plane of the limiting part is larger than the included angle between the inner wall of the first limiting groove, which is contacted with the guide surface, and the vertical plane of the limiting part, when the connecting part begins to incline, the guide surface of the limiting part begins to slide out of the first limiting groove along the inner wall at the left side of the first limiting groove, and then when connecting portion continued the slope, the second extension can slide outwards in the spout gradually, and the tangent plane on second extension upper portion contacts with the bottom of spacing portion all the time simultaneously, and when the second extension moved to the foremost position that is close to the spout inside, spacing portion card was gone into the spacing inslot of second, accomplishes the fixed to the second extension, and then realizes the fixed of first extension, and first extension can strike off the work to smashing incasement wall.
Furthermore, the adjusting structure comprises two symmetrical movable plates, a plurality of abutting parts fixedly arranged at one ends, far away from each other, of the two movable plates and a plurality of compression springs fixedly arranged between the two movable plates, the movable plates slide in the rotary barrel, one ends, far away from the movable plates, of the abutting parts penetrate through the side wall of the rotary barrel and extend out of the rotary barrel, one ends, far away from the movable plates, of the abutting parts are in contact with the bottom end of the connecting parts, in the initial state, the abutting parts are in contact with the bottom of the connecting parts, so that the connecting parts can be kept in a horizontal state, when the crushed objects of the agricultural products are scraped, the two movable plates are pushed towards the direction close to each other, the compression springs are in a compression state, the abutting parts move along the direction, far away from the connecting parts, until the tangent plane between the right end of the connecting parts and the bottom end of the connecting parts is parallel to the vertical plane, at the moment, the small parts of the abutting parts are positioned outside the rotary barrel, simultaneously first portion and the second portion that colludes are in the state of colluding just, fix two movable plates, when making connecting portion resume the horizontality, continue to make conflict portion no longer contradict connecting portion with two movable plates to the direction that is close to each other removal, connecting portion continue to rotate certain angle downwards for tangent plane and the contact of connecting portion outer wall on the connecting portion, spacing portion breaks away from outside the second spacing groove this moment, loosens the movable plate after, connecting portion resume original state gradually.
Furthermore, the hooking structure comprises a first hooking part fixedly arranged on the outer wall of one of the moving plates, a moving groove arranged on the outer wall of the other moving plate and a second hooking part connected in the moving groove in a sliding manner, the first hooking part and the second hooking part are respectively arranged on the outer walls of the two moving plates which are close to each other and are hooked with each other, and in an initial state, when smashing agricultural product promptly, first portion and the second portion of colluding are in not the state of colluding, when smashing the back and clearing up remaining crushing agricultural product on smashing the incasement wall after accomplishing, promote two movable plates to the direction that is close to each other, when the second portion of colluding is close to and surpasss first portion of colluding, make the second portion of colluding move down in the shifting chute, until second portion of colluding with first portion of colluding collude, stop promoting the movable plate, fix through the effect of the colluding of first portion of colluding and second portion of colluding between the two.
Further, the separation structure is including setting firmly in the inside baffle of mixing box, seting up a plurality of flow holes, the joint of baffle upper end in the filter screen of flow hole inner wall and installing in the second solenoid valve of flow hole inner wall, the second solenoid valve is located the downside of filter screen, and the agricultural product after smashing mixes with the clear water and dilutes evenly the back, gets mixed liquid, and the second solenoid valve is opened this moment, and mixed liquid flows to the reagent through the flow hole and deposits the structure in, the in-process of downflow, and mixed liquid filters the impurity that probably contains in it through the filter screen for the mixed liquid that flows in the reagent and deposits the structure is comparatively clean liquid, is difficult for causing the influence to the remaining test of agricultural product.
Furthermore, the reagent storage structure comprises a storage box arranged at the bottom end in the mixing box and a plurality of placing grooves arranged at the upper end of the storage box, the number of the placing grooves is consistent with the number of the flow holes and is in one-to-one correspondence (namely one flow hole corresponds to one placing groove), the side end of the mixing box is provided with a through hole, test paper is arranged in the placing groove, one end of the storage box is in contact with the right inner wall of the mixing box, the other end of the storage box is clamped in the through hole, one end of the storage box, which is positioned outside the mixing box, is fixedly provided with a push-pull handle, so that the crushed agricultural products and clean water are mixed and diluted uniformly, flow into the corresponding placing groove through the flow hole and further undergo chemical reaction with the test paper, after reacting for a certain time, the storage box is pulled out of the mixing box by holding the push-pull handle, the test paper in the placing groove can be taken out, and the pesticide residue problem in the agricultural products can be judged by observing the reaction of the test paper, the reaction of the test paper to the problem of pesticide residue is a well-known technique to those skilled in the art.
Further, mix the structure including set firmly in the second rotating electrical machines of mixing box side, set firmly in the (mixing) shaft of second rotating electrical machines output and set firmly in the helical blade of (mixing) shaft outer end, the output of second rotating electrical machines runs through the mixing box side and extends to inside the mixing box, and the agricultural product after smashing falls into the space of mixing box inner baffle top, through helical blade's stirring effect for the mixing velocity between kibbling agricultural product and the clear water is faster, mixes more evenly.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can be through the setting of crushing piece, and it is smashed to wait to detect agricultural product for agricultural product surface and the inside pesticide residue of agricultural product all can be detected, improves detection efficiency, and crushing piece still can play the effect of clearance agricultural product crushing thing, and simultaneously through the setting of smashing case and mixing box, the collection is waited to detect the crushing of agricultural product, is diluted and is detected as an organic wholely, reduces required area in the testing process, and easy operation is convenient.
(2) The axial length of the crushing piece is variable, when the crushing piece is in a horizontal state, the axial length is shortest, the agricultural products to be detected can be crushed, when the crushing piece is in an inclined state, the axial length is longest, and the crushed agricultural products which can be attached to the inner wall of the crushing box can be cleaned
(3) The transition between the horizontal state and the inclined state of the crushing members can be realized by the arrangement of the adjusting structure.
(4) Through the setting of hook structure, can be comparatively convenient fix the shortest axial length of the crushing piece under the horizontality, and can be comparatively convenient fix the longest axial length of the crushing piece under the tilt state, above-mentioned fixed process need not the exogenic action, and the operation is simple and convenient.
(5) The agricultural product that can treat to detect is carried out better smashing, smashes more thoroughly to the setting of broken tooth.
(6) Through depositing the structure setting with reagent and in the mixing box for the agricultural product after diluting smashes the thing can be quick and react with the test paper, after the reaction is accomplished, can be comparatively convenient deposit the structure with reagent and take out the mixing box outside observe the test paper.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the construction of the crushing box portion of the invention;
FIG. 4 is a schematic view of the structure at B in FIG. 3;
FIG. 5 is a schematic view of the structure at C in FIG. 3;
FIG. 6 is a schematic view of the crushing body of the present invention rotated down to the maximum around the rotary cylinder;
FIG. 7 is a schematic structural view of a hook structure portion of the present invention;
FIG. 8 is a schematic view of the structure of a portion of the barrier structure of the present invention;
FIG. 9 is a schematic structural view of a reagent storage structure portion of the present invention.
The reference numbers in the figures illustrate:
11 crushing box, 12 mixing box, 2 transmission structure, 21 first rotating motor, 22 driving gear, 23 driven gear, 3 crushing structure, 31 rotating cylinder, 32 crushing body, 321 connecting part, 322 crushing tooth, 323 first extending part, 324 second extending part, 325 sliding chute, 326 first limiting groove, 327 limiting part, 328 second limiting groove, 33 adjusting structure, 331 moving plate, 332 abutting part, 333 compression spring, 4 hooking structure, 41 first hooking part, 42 second hooking part, 43 moving groove, 5 reagent storing structure, 51 storing box, 52 placing groove, 61 baffle, 62 second electromagnetic valve, 63 filtering net, 64 flow hole, 71 second rotating motor, 72 stirring shaft 73 helical blade.
Detailed Description
Referring to fig. 1-9, the agricultural product pesticide residue detection device comprises a crushing box 11, a mixing box 12, a transmission structure 2 and a crushing structure 3; the crushing box 11 and the mixing box 12 are fixedly connected with each other, and the crushing box 11 is located on the upper side of the mixing box 12.
The inner bottom end of the crushing box 11 is provided with an inclined structure so that the crushed agricultural products can slide into the mixing box 12, the upper part of the crushing box 11 is provided with a feed inlet (not shown), and the crushing box 11 is also provided with a controller (not shown) for controlling the opening and closing of the first rotating motor 21, the first electromagnetic valve, the second electromagnetic valve 62 and the second rotating motor 71.
The opening at the bottom of the crushing box 11 is provided with a first electromagnetic valve, and the side end part of the mixing box 12 close to the upper side is provided with a water inlet.
Crushing case 11 is used for holding wait to detect agricultural product and carry out shredding to agricultural product, and mixing box 12 is used for waiting to detect after will smashing and clear water misce bene.
Crushing structure 3 part is located crushing case 11 inside, and inside crushing structure 3 was used for smashing and waits to detect agricultural product outward appearance and agricultural product, and the horizontal length and the inclination of crushing structure 3 in crushing case 11 are variable, and crushing structure 3 is used for clearing up the remaining agricultural product after smashing of crushing case 11 inner wall.
Crushing structure 3 includes a rotatory section of thick bamboo 31, set firmly the multiunit crushing piece that is located the outer end of smashing case 11 in a rotatory section of thick bamboo 31, locate inside the regulation structure 33 that is used for changing the inclination of crushing piece of a rotatory section of thick bamboo 31 and locate the hook structure 4 that is used for fixing regulation structure 33 on the regulation structure 33, rotatory section of thick bamboo 31 bottom is run through crushing case 11 upper end and is extended to crushing case 11 inside, driven gear 23 sets firmly the outside that is located the outer one end of crushing case 11 in a rotatory section of thick bamboo 31, when the inclination of crushing piece takes place the change of certain degree, the axial length of crushing piece becomes long, can clear up the inner wall of crushing case 11 after smashing agricultural product, and the crushing piece can be rotary motion, help making broken agricultural product fall down more fast.
The crushing piece comprises two crushing bodies 32 which are symmetrically distributed about a rotating cylinder 31, each crushing body 32 comprises a connecting part 321 which is rotatably connected to the outer wall of the rotating cylinder 31 (the upper right end of the connecting part 321 is rotated with the outer wall of the rotating cylinder 31, and the connecting part 321 can rotate downwards by a certain angle around the outer wall of the rotating cylinder 31, and a tangent plane is arranged between the right end of the connecting part 321 and the bottom end of the connecting part 321, so that when the connecting part 321 rotates around the outer wall of the rotating cylinder 31, through the arrangement of the tangent plane, the rotatable range of the connecting part 321 is larger), a plurality of crushing teeth 322 which are fixedly arranged on the outer wall of the connecting part 321 (preferably, the crushing teeth 322 are arranged on the outer wall of the lower half part of the connecting part 321, and further, when the connecting part 321 inclines, crushed agricultural products which are adhered to the crushing teeth 322 easily fall under the action of gravity, a chute 325 which is arranged at one end of the connecting part 321 far away from the rotating cylinder 31 is arranged, a first extending part 323 and a second extending part 324 which are slidably connected in the chute 325, and a connecting part 321 is arranged at one end of the rotating cylinder 31 far away from the connecting part 321 The limiting structure of (2) is used for fixing the minimum length position and the maximum length position of the first extending part 323 and the second extending part 324 exposed out of the sliding groove 325, and the first extending part 323 and the second extending part 324 are of an integrated structure.
In the initial state, the second extending portion 324 is hidden in the sliding groove 325, only the first extending portion 323 is exposed out of the sliding groove 325, the length of the pulverizing member in this state is the smallest, and is used for pulverizing the agricultural products in the pulverizing box 11, when the agricultural products are pulverized completely, the adjusting structure 33 loses the support of the pulverizing member by adjusting the adjusting structure 33, at this time, the pulverizing member starts to rotate downwards around the outer wall of the rotary cylinder 31 under the action of self gravity, the limiting structure gradually disengages from the first limiting groove 326, when the first extending portion 323 rotates to a proper position just contacting with the inner wall of the pulverizing box 11, the first extending portion 323 and the second extending portion 324 start to slide out of the sliding groove 325 following the rotation of the connecting portion 321, the second extending portion 324 slides to the foremost side part of the sliding groove 325, and the limiting structure is clamped into the second limiting groove 328, in this state, the first rotary motor 21 is started, and can drive the rotary cylinder 31 and the pulverizing member to make rotary motion, the first extension parts 323 can scrape the agricultural product crushed objects possibly attached to the inner wall of the crushing box 11, and the agricultural product crushed objects attached to the inner wall of the crushing box 11 in the gap between every two adjacent upper and lower first extension parts 323 can not contact the first extension parts 323, but the partial scraped agricultural product crushed objects can carry and scrape the lower agricultural product crushed objects along with the scraping action of the upper first extension parts 323.
The limiting structure comprises a limiting part 327 rotatably connected to one end of the connecting part 321 far away from the rotary cylinder 31 and a guide surface arranged at the bottom end of the limiting part 327, the rotary connecting part between the limiting part 327 and the connecting part 321 is positioned at the upper side of the connecting part 321, the side end of the first extending part 323 close to the limiting part 327 is provided with a first limiting groove 326, the upper end of the second extending part 324 is provided with a second limiting groove 328, the included angle between the inner wall of the second limiting groove 328 and the first limiting groove 326, which are contacted with the guide surface, and the vertical plane of the limiting part 327 is larger than the included angle between the guide surface and the vertical plane of the limiting part 327, the included angle between the second limiting groove 328 and the vertical plane of the limiting part 327, which are contacted with the guide surface, is larger than the included angle between the inner wall of the first limiting groove 326 and the guide surface, and the vertical plane of the limiting part 327, when the connecting part 321 begins to incline, the guide surface of the limiting part 327 begins to slide out of the first limiting groove 326 along the left inner wall of the first limiting groove 326, when the connecting portion 321 further inclines, the second extending portion 324 can gradually slide outwards in the sliding groove 325, and meanwhile, the tangent plane of the upper portion of the second extending portion 324 is always in contact with the bottom of the limiting portion 327, when the second extending portion 324 moves to the foremost position near the inside of the sliding groove 325, the limiting portion 327 is clamped into the second limiting groove 328, so that the second extending portion 324 is fixed, the first extending portion 323 is fixed, and the first extending portion 323 can scrape the inner wall of the crushing box 11.
The adjusting structure 33 includes two symmetrical moving plates 331 (the longitudinal length of the moving plates 331 can be set to a suitable length according to the actual use requirement, so that when pushing the two moving plates 331, the bottom of the moving plates 331 is not easy to move synchronously with the upper portion due to the overlong moving plates 331), a plurality of interference parts 332 fixedly disposed at the ends of the two moving plates 331 far away from each other, and a plurality of compression springs 333 fixedly disposed between the two moving plates 331, wherein the moving plates 331 slide in the rotary cylinder 31, one ends of the interference parts 332 far away from the moving plates 331 penetrate through the side wall of the rotary cylinder 31 and extend out of the rotary cylinder 31, one ends of the interference parts 332 outside the rotary cylinder 31 contact with the bottom end of the connecting part 321, and in an initial state, the interference parts 332 contact with the bottom of the connecting part 321, so that the connecting part 321 can maintain a horizontal state, when scraping the crushed material of the agricultural product moving plates, the two moving plates 331 are pushed toward each other, the compression spring 333 is in a compressed state, the interference part 332 moves along with the moving plate 331 in a direction away from the connecting part 321 until a tangent plane between the right end and the bottom end of the connecting part 321 is parallel to a vertical plane, at this time, a small part of the interference part 332 is located outside the rotating cylinder 31, meanwhile, the first hooking part 41 and the second hooking part 42 are just in a hooking state, the two moving plates 331 are fixed, when the connecting part 321 is restored to a horizontal state, the two moving plates 331 are continuously moved in a direction close to each other so that the interference part 332 does not abut against the connecting part 321, the connecting part 321 continuously rotates downwards for a certain angle, the tangent plane on the connecting part 321 is in contact with the outer wall of the connecting part 321, at this time, the limiting part 327 is separated from the second limiting groove 328, and after the moving plates 331 are loosened, the connecting part 321 gradually restores to an original state.
The hooking structure 4 includes a first hooking portion 41 fixedly disposed on an outer wall of one of the moving plates 331, a moving groove 43 opened on an outer wall of the other moving plate 331, and a second hooking portion 42 slidably connected in the moving groove 43, the first hooking portion 41 and the second hooking portion 42 being respectively mounted on outer walls of the two moving plates 331 close to each other, the first hooking portion 41 and the second hooking portion 42 being hooked with each other, in an initial state, that is, when the agricultural product is crushed, the first hooking portion 41 and the second hooking portion 42 are in an unhooked state, when the crushed agricultural product remaining on the inner wall of the crushing box 11 after the crushing is completed is cleaned, the two moving plates 331 are pushed in a direction of approaching each other until the second hooking portion 42 approaches and exceeds the first hooking portion 41, the second hooking portion 42 moves downward in the moving groove 43 until the second hooking portion 42 is hooked with the first hooking portion 41, and the moving plates 331 are stopped being pushed, the first and second hook portions 41 and 42 are fixed to each other by the hook action therebetween.
Be equipped with the separation structure in mixing box 12, the separation structure is with mixing box 12 inside mixing chamber and reaction chamber of being divided into, and the mixing chamber is located the upside of reaction chamber, the separation structure is including setting firmly in mixing box 12 inside baffle 61, set up a plurality of flow holes 64 in baffle 61 upper end, the joint is in the filter screen 63 of flow hole 64 inner wall and install the second solenoid valve 62 in flow hole 64 inner wall, second solenoid valve 62 is located the downside of filter screen 63, after kibbling agricultural product mixes the dilution with the clear water and evenly, get mixed liquid, second solenoid valve 62 opens this moment, mixed liquid flows down to in the reagent storage structure 5 through flow hole 64, the in-process of downflow, mixed liquid filters the impurity that probably contains in it through filter screen 63, make the mixed liquid that flows into in reagent storage structure 5 be comparatively clean liquid, be difficult for causing the influence to agricultural product remaining test.
Be equipped with the stirring structure that is used for making kibbling agricultural product and clear water misce bene in the mixing chamber, stir the structure including setting firmly in the second rotating electrical machines 71 of 12 sides of mixing box, set firmly in the (mixing) shaft 72 of second rotating electrical machines 71 output and set firmly in the helical blade 73 of (mixing) shaft 72 outer end, the output of second rotating electrical machines 71 runs through 12 sides of mixing box and extends to inside the mixing box 12, kibbling agricultural product falls into the space above the baffle 61 in the mixing box 12, stirring effect through helical blade 73, make the mixing velocity between kibbling agricultural product and the clear water faster, it is more even to mix.
A reagent storage structure 5 which can flow in with the agricultural products mixed with the clear water and generate chemical reaction is arranged in the reaction cavity, the reagent storage structure 5 is detachably connected with the mixing box 12, the reagent storage structure 5 comprises a storage box 51 arranged at the bottom end in the mixing box 12 and a plurality of placing grooves 52 arranged at the upper end of the storage box 51, the placing grooves 52 are consistent with and correspond to the flow holes 64 one by one (namely, one flow hole 64 corresponds to one placing groove 52), a through hole is arranged at the side end of the mixing box 12, test paper is arranged in the placing groove 52, one end of the storage box 51 is contacted with the right inner wall of the mixing box 12, the other end of the storage box is clamped in the through hole, a push-pull handle is fixedly arranged at one end of the storage box 51 outside the mixing box 12, after the crushed agricultural products and the clear water are uniformly mixed and diluted, the crushed agricultural products flow into the corresponding placing grooves 52 through the flow holes 64, and then the chemical reaction is generated with the test paper, after reacting for a certain time, the storage box 51 is pulled out of the mixing box 12 by holding the push-pull handle, and then the test paper in the placing groove 52 can be taken out, the problem of pesticide residue in agricultural products can be identified by observing the reaction of the test paper, and the problem of pesticide residue corresponding to the reaction of the test paper is a known technology of a person skilled in the art.
When the agricultural product crusher is used, an agricultural product to be detected is poured into the crushing box 11, the first rotating motor 21 is started, the first rotating motor 21 drives the driving gear 22, the driven gear 23 and the rotating cylinder 31 to rotate, the rotating cylinder 31 drives the crushing body 32 in a horizontal state to rotate, and then the agricultural product to be detected is crushed, in the process, the partition plate 61 is located in an opening in the bottom of the crushing box 11, the fixing structure is not connected with the storage box 51 and is placed in the mixing box 12, crushed agricultural products are obtained after crushing is completed, at the moment, the two moving plates 331 are pushed towards the direction close to each other, the abutting part 332 is moved to be separated from the bottom of the connecting part 321, at the moment, the connecting part 321 rotates downwards around the outer wall of the rotating cylinder 31, the second extending part 324 slides outwards gradually in the sliding groove 325 until the first extending part 323 is contacted with the inner wall of the crushing box 11, at the moment, the first rotating motor 21 is started again, the rotating cylinder 31 and the first extending part 323 are driven to rotate, the first extending part 323 scrapes the agricultural product crushed materials possibly adhered to the inner wall of the crushing box 11, the first electromagnetic valve is started, the agricultural product crushed materials begin to fall into the mixing cavity, when the agricultural product crushed materials completely fall into the mixing cavity, clear water is poured into the mixing cavity through the water inlet, the second rotating motor 71 is started to drive the helical blade 73 to rotate, the helical blade 73 fully stirs and mixes the clear water and the agricultural product crushed materials, mixed liquid is obtained after mixing is finished, the second electromagnetic valve 62 is opened, the mixed liquid flows into the placing groove 52 to react with the test paper, after the reaction is finished, the second rotating motor 71 can be directly pulled out of the mixing box 12 through a push-pull handle to observe the test paper,
the above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (6)
1. A agricultural product pesticide residue detection device which characterized in that: comprises a crushing box (11), a mixing box (12), a transmission structure (2) and a crushing structure (3); the crushing box (11) and the mixing box (12) are fixedly connected with each other, and the crushing box (11) is positioned on the upper side of the mixing box (12);
a first electromagnetic valve is arranged at an opening at the bottom of the crushing box (11); a water inlet is formed in the side end part, close to the upper side, of the mixing box (12);
the crushing box (11) is used for containing agricultural products to be detected and crushing the agricultural products; the mixing box (12) is used for uniformly mixing the crushed agricultural products to be detected with clean water;
the crushing structure (3) is partially positioned inside the crushing box (11), and the crushing structure (3) is used for crushing the outer surface of the agricultural product to be detected and the inside of the agricultural product;
the transverse length and the inclination angle of the crushing structure (3) in the crushing box (11) are variable, and the crushing structure (3) is used for cleaning crushed agricultural products remained on the inner wall of the crushing box (11);
the transmission structure (2) is arranged at the upper part of the crushing box (11), and the transmission structure (2) is used for driving the crushing structure (3) to rotate in the crushing box (11);
a separation structure is arranged in the mixing box (12), the separation structure divides the interior of the mixing box (12) into a mixing cavity and a reaction cavity, and the mixing cavity is positioned on the upper side of the reaction cavity;
a stirring structure for uniformly mixing the crushed agricultural products with the clear water is arranged in the mixing cavity;
a reagent storage structure (5) which can be used for allowing the agricultural products mixed with the clear water to flow in and generate chemical reaction is arranged in the reaction cavity, and the reagent storage structure (5) is detachably connected with the mixing box (12);
the transmission structure (2) comprises a first rotating motor (21) fixedly arranged at the upper part of the crushing box (11), a driving gear (22) fixedly arranged at the output end of the first rotating motor (21) and a driven gear (23) engaged and connected with the side end of the driving gear (22);
the crushing structure (3) comprises a rotating cylinder (31), a plurality of groups of crushing pieces fixedly arranged at the outer end of the rotating cylinder (31) in the crushing box (11), an adjusting structure (33) arranged in the rotating cylinder (31) and used for changing the inclination angle of the crushing pieces, and a hooking structure (4) arranged on the adjusting structure (33) and used for fixing the adjusting structure (33), wherein the bottom end of the rotating cylinder (31) penetrates through the upper end of the crushing box (11) and extends into the crushing box (11), and a driven gear (23) is fixedly arranged at the outer side of one end of the rotating cylinder (31) outside the crushing box (11);
the crushing piece comprises two crushing bodies (32) which are symmetrically distributed about a rotating cylinder (31), each crushing body (32) comprises a connecting part (321) which is rotatably connected to the outer wall of the rotating cylinder (31), a plurality of crushing teeth (322) which are fixedly arranged on the outer wall of the connecting part (321), a sliding groove (325) which is arranged at one end, far away from the rotating cylinder (31), of the connecting part (321), a first extending part (323) and a second extending part (324) which are connected in the sliding groove (325) in a sliding mode, and a limiting structure which is arranged at one end, far away from the rotating cylinder (31), of the connecting part (321), the limiting structure is used for fixing the minimum length position and the maximum length position of the first extending part (323) and the second extending part (324) which are exposed out of the sliding groove (325), and the first extending part (323) and the second extending part (324) are of an integrated structure;
spacing structure keeps away from spacing portion (327) of the one end of a rotatory section of thick bamboo (31) and locates the spigot surface of spacing portion (327) bottom including rotating to connect in connecting portion (321), rotation connecting portion between spacing portion (327) and connecting portion (321) is located connecting portion (321) upside, first spacing groove (326) have been seted up to the side that first extension (323) are close to spacing portion (327), second spacing groove (328) have been seted up to second extension (324) upper end, the contained angle between the vertical plane at inner wall and spacing portion (327) place that second spacing groove (328) and first spacing groove (326) and spigot surface contacted all is greater than the contained angle between the vertical plane at spigot surface and spacing portion (327) place.
2. The agricultural product pesticide residue detection device of claim 1, wherein: adjust structure (33) including two symmetrical movable plates (331), set firmly in a plurality of conflict portions (332) of the one end of keeping away from each other of two movable plates (331) and set firmly in a plurality of compression spring (333) between two movable plates (331), movable plate (331) slide in rotatory section of thick bamboo (31), the one end that movable plate (331) were kept away from in conflict portion (332) runs through rotatory section of thick bamboo (31) lateral wall and extends to outside rotatory section of thick bamboo (31), conflict portion (332) are located the outer one end of rotatory section of thick bamboo (31) and contact with connecting portion (321) bottom.
3. The agricultural product pesticide residue detection device of claim 1, wherein: the hooking structure (4) comprises a first hooking part (41) fixedly arranged on the outer wall of one moving plate (331), a moving groove (43) formed in the outer wall of the other moving plate (331) and a second hooking part (42) connected in the moving groove (43) in a sliding mode, and the first hooking part (41) and the second hooking part (42) are hooked with each other.
4. The agricultural product pesticide residue detection device of claim 1, wherein: the separation structure comprises a partition board (61) fixedly arranged inside the mixing box (12), a plurality of flow holes (64) formed in the upper end of the partition board (61), a filter screen (63) clamped on the inner wall of the flow holes (64) and a second electromagnetic valve (62) installed on the inner wall of the flow holes (64), wherein the second electromagnetic valve (62) is located on the lower side of the filter screen (63).
5. The agricultural product pesticide residue detection device of claim 4, wherein: the reagent storage structure (5) comprises a storage box (51) and a plurality of placing grooves (52), wherein the storage box (51) is placed at the bottom end in the mixing box (12), the placing grooves (52) are arranged at the upper end of the storage box (51), the placing grooves (52) correspond to the flow holes (64) in the same number in a one-to-one mode, through holes are formed in the side end of the mixing box (12), test paper is placed in the placing grooves (52), one end of the storage box (51) is in contact with the right inner wall of the mixing box (12), the other end of the storage box (51) is connected in the through holes in a clamped mode, and a push-pull handle is fixedly arranged at one end, located outside the mixing box (12), of the storage box (51).
6. The agricultural product pesticide residue detection device of claim 1, wherein: the stirring structure comprises a second rotating motor (71) fixedly arranged at the side end of the mixing box (12), a stirring shaft (72) fixedly arranged at the output end of the second rotating motor (71) and a spiral blade (73) fixedly arranged at the outer end of the stirring shaft (72), wherein the output end of the second rotating motor (71) penetrates through the side end of the mixing box (12) and extends into the mixing box (12).
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| CN202010589964.XA CN111551547B (en) | 2020-06-24 | 2020-06-24 | Agricultural product pesticide residue detection device |
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| CN202010589964.XA CN111551547B (en) | 2020-06-24 | 2020-06-24 | Agricultural product pesticide residue detection device |
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| CN111551547B true CN111551547B (en) | 2022-05-03 |
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| CN112161975A (en) * | 2020-09-23 | 2021-01-01 | 安徽中晟分析检测科技有限公司 | Device for detecting residual medicine in agricultural products |
| CN115112647B (en) * | 2022-08-25 | 2022-12-09 | 济南市食品药品检验检测中心 | Detection system based on pesticide residue food |
| CN116793795B (en) * | 2023-08-29 | 2023-11-07 | 云南省农业科学院质量标准与检测技术研究所 | Pesticide residue detection device in agricultural product |
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