Pesticide residue detection device for fresh-cut vegetables
By introducing a filter plate to filter impurities, heating the reaction liquid in a mixing tank, and comparing colors on a rotating disc in the detection device, the problems of impurities affecting accuracy and cumbersome operation in traditional devices are solved, achieving efficient and accurate pesticide residue detection.
Patent Information
- Application Number
- CN202422838271.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Traditional pesticide residue detection devices for fresh-cut vegetables lack filtration mechanisms, which leads to impurities in the extract affecting the accuracy of the detection. Furthermore, the detection process is cumbersome, prone to errors, and inefficient.
A detection device was designed, comprising a crushing box, a filter plate, a mixing tank, a storage tank, and a comparison mechanism. Impurities are filtered through the filter plate, the reaction liquid is heated in the mixing tank, and the color is compared using a rotating disc, simplifying the operation process.
It improves the accuracy of test results, reduces operational errors, increases testing efficiency, prevents spillage of extract, and simplifies operating procedures.
Smart Images
Figure CN223624125U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vegetable testing technology, and in particular to a pesticide residue detection device for fresh-cut vegetables. Background Technology
[0002] Freshly cut vegetables are an important food source, providing the human body with essential substances such as chlorophyll. my country has always prioritized food safety, and the use of pesticides in agricultural products remains high. The irrational use of these substances inevitably leads to excessive pesticide residues in agricultural products, affecting consumer safety and potentially causing diarrhea, vomiting, or even endangering lives. Therefore, it is necessary to use pesticide residue detection devices for vegetables to sample and test them. Currently, most detection methods involve reacting cholinesterase with vegetable extracts, converting the decomposition products into color. A set of standard solutions with different pesticide contents is then set up as a control group to measure the color after the reaction, facilitating detection.
[0003] However, traditional detection devices do not have a filtration mechanism when crushing the extract, which makes it easy for particulate impurities such as stones and dust to be present inside the extract during detection. This can lead to errors when using cholinesterase to react with the extract, thus affecting the accuracy of the test results. Furthermore, the detection process requires frequent movement of the storage dish to compare with different standard solutions, but this method is not only prone to operational errors that could cause the extract to spill, but also has relatively low detection efficiency. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a pesticide residue detection device for fresh-cut vegetables, which aims to solve the technical problem mentioned in the existing technology that traditional detection devices do not have a filtration mechanism when crushing the extract, which is prone to errors.
[0005] To achieve the above objectives, this utility model is implemented through the following technical solution:
[0006] A pesticide residue detection device for fresh-cut vegetables includes a tabletop, a support leg on the upper surface of the tabletop, a crushing box on the upper end of the support leg, two sets of crushing rollers rotating inside the crushing box, each with a motor at one end, a slot on the outer wall of the crushing box, a filter plate slidingly disposed inside the slot, the filter plate being located below the crushing roller, fixing blocks on both sides of the slot and on the outer wall of the crushing box, each fixing block having a slot, and locking blocks on both sides of the filter plate, each locking block being located inside the slot, locking holes on the upper surfaces of the locking blocks and fixing blocks, with locking pins slidingly disposed inside the locking holes, a discharge pipe on the lower surface of the crushing box, a control valve on the discharge pipe, a mixing tank on the lower end of the discharge pipe and on the tabletop, a support on the lower surface of the tabletop, a worktable at the lower end of the support, and a comparison mechanism on the upper end of the worktable.
[0007] According to one aspect of the above technical solution, the comparison mechanism includes a support column, the lower end of which is fixedly connected to a workbench, a placement platform is fixedly provided on the upper end face of the support column, a storage dish is provided on the upper end face of the placement platform, a rotating disk is rotatably provided on the outer wall of the placement platform, and a placement groove is provided on the upper end face of the rotating disk. Multiple placement grooves are provided and arranged in a circular shape to facilitate the comparison of the extracted solution after the reaction with the standard solution.
[0008] According to one aspect of the above technical solution, the liquid guide tube is equipped with a valve to facilitate the extraction liquid after the reaction entering the storage dish.
[0009] According to one aspect of the above technical solution, a storage rack is fixedly provided on one side of the mixing tank and on the upper end of the platform. A liquid storage tank is provided on the upper end of the storage rack. Multiple liquid storage tanks are provided, and each of them has a liquid outlet pipe on its outer wall. Each liquid outlet pipe is equipped with a metering pump. The other end of each liquid outlet pipe is located at the top of the mixing tank, which facilitates the addition of other reaction solutions such as cholinesterase to the mixing tank.
[0010] According to one aspect of the above technical solution, the heating box is equipped with a heating wire inside and a heat-conducting plate is provided on the outer wall of the heating box to facilitate heating of the mixture and enable it to react quickly.
[0011] According to one aspect of the above technical solution, both the mixing tank and the storage tank are provided with observation windows on their outer walls, and each observation window is provided with a scale to facilitate the viewing and control of the added amount.
[0012] According to one aspect of the above technical solution, a storage box is provided on the upper surface of the workbench and on one side of the comparison mechanism, which facilitates the storage of fresh-cut vegetables to be tested.
[0013] According to one aspect of the above technical solution, the storage dish is located at the lower end of the liquid guide tube, which facilitates the holding of the reaction liquid.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0015] 1. By installing a filter plate inside the grinding chamber, the residue and sand inside the extract can be filtered to prevent them from affecting the subsequent test results. After grinding, the filter plate can be removed from the grinding chamber by pulling out the locking pin for easy cleaning.
[0016] 2. By setting up supports and a placement platform at the bottom of the tabletop, users can place the storage dish containing the extract on the top of the placement platform, and then place the standard solution containing different amounts of pesticides into the placement tank. By rotating the rotating disc, the color of the storage dish and the standard solution can be compared to achieve a rapid detection effect. Compared with frequently moving the storage dish, this design can save operation steps, prevent the extract from spilling, and is convenient to use.
[0017] 3. By setting up a mixing tank, a storage tank, and a heating chamber, users can turn on the metering pump to let the reaction solution enter the mixing tank. At this time, the reaction solution will react with the pesticides inside the fresh-cut vegetables, thus showing color, which is convenient for later comparison. In addition, users can also use the heating chamber to heat the mixture inside the mixing tank to accelerate its reaction rate and increase detection efficiency. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of a pesticide residue detection device for fresh-cut vegetables in one embodiment of the present invention;
[0019] Figure 2 This is an exploded view showing the installation of the crushing box, filter plate, crushing roller and locking pin in one embodiment of the present invention.
[0020] Figure 3 for Figure 2 Enlarged view of A in the middle;
[0021] Figure 4 This is a schematic diagram showing the positions of the placement platform, rotating disk, and placement slot on the workbench in one embodiment of the present invention;
[0022] Figure 5 This is a schematic diagram showing the position of the heat-conducting plate on the heating box in one embodiment of the present invention;
[0023] Figure 6 This is a schematic diagram showing the positions of the support column, placement platform, rotating disk, placement slot, and storage box on the workbench in one embodiment of the present invention;
[0024] Key component symbols: 1. Tabletop; 2. Support leg; 3. Grinding box; 4. Grinding roller; 5. Motor; 6. Slot; 7. Filter plate; 8. Fixing block; 9. Slot; 10. Locking block; 11. Locking hole; 12. Locking pin; 13. Discharge pipe; 14. Control valve; 15. Mixing tank; 16. Support; 17. Workbench; 18. Support column; 19. Placement platform; 20. Storage dish; 21. Rotating disc; 22. Placement trough; 23. Liquid guide pipe; 24. Valve; 25. Storage rack; 26. Liquid storage tank; 27. Discharge pipe; 28. Metering pump; 29. Heating box; 30. Heat conduction plate; 31. Observation window; 32. Ruler; 33. Storage box;
[0025] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation
[0026] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.
[0027] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0029] Please see Figures 1 to 6The image shows a pesticide residue detection device for fresh-cut vegetables according to the first embodiment of this utility model. It includes a tabletop 1, a support leg 2 on the upper surface of the tabletop 1, a crushing box 3 at the upper end of the support leg 2, a crushing roller 4 rotating inside the crushing box 3, two sets of crushing rollers 4, each with a motor 5 at one end, a slot 6 on the outer wall of the crushing box 3, a filter plate 7 sliding inside the slot 6, the filter plate 7 located at the lower end of the crushing roller 4, and fixing blocks 8 on both sides of the slot 6 and on the outer wall of the crushing box 3. The filter plate 7 has a slot 9 and two sides of the filter plate 7 are provided with a locking block 10. The locking block 10 is located inside the slot 9. The upper end face of the locking block 10 and the fixing block 8 are provided with locking holes 11. The locking pin 12 is slidably provided inside the locking hole 11. The lower end face of the crushing box 3 is provided with a discharge pipe 13. The discharge pipe 13 is provided with a control valve 14. The lower end of the discharge pipe 13 and the table 1 are provided with a mixing tank 15. The lower end face of the table 1 is provided with a support 16. The lower end of the support 16 is provided with a worktable 17. The upper end of the worktable 17 is provided with a comparison mechanism.
[0030] In this embodiment, the comparison mechanism includes a support column 18, the lower end of which is fixedly connected to the workbench 17. A placement platform 19 is fixedly provided on the upper end surface of the support column 18. A storage dish 20 is provided on the upper end surface of the placement platform 19. A rotating disk 21 is rotatably provided on the outer wall of the placement platform 19. A plurality of placement slots 22 are provided on the upper end surface of the rotating disk 21. The placement slots 22 are arranged in a circular pattern. A liquid guide pipe 23 is fixedly provided on the lower end surface of the mixing tank 15. A valve 24 is provided on the liquid guide pipe 23. The storage dish 20 is located at the lower end of the liquid guide pipe 23.
[0031] More specifically, the user can add freshly cut vegetables to the grinding box 3 and turn on the motor 5 to make the grinding roller 4 grind the vegetables and let the juice flow out. At this time, the grinding residue and impurities such as sand and gravel will be blocked by the filter plate 7 and remain inside the grinding box 3. The extract will fall into the mixing tank 15 through the discharge pipe 13. After grinding, the filter plate 7 can be removed from the inside of the grinding box 3 by pulling out the locking pin 12 for easy cleaning. Open the valve 24 to let the extracted liquid after the reaction fall into the storage dish 20. Then, place the storage dish 20 on the top of the placement platform 19, and at the same time, place the standard solution containing different amounts of pesticides into the placement tank 22. By slowly rotating the rotating disk 21, the color of the storage dish 20 and the standard solution are compared to achieve the effect of rapid detection.
[0032] Please see Figure 1 , Figure 4 and Figure 5As an embodiment for rapidly reacting the reaction solution and the extract: A storage rack 25 is fixedly provided on one side of the mixing tank 15 and on the upper end of the platform 1. A storage tank 26 is provided on the upper end of the storage rack 25. Multiple storage tanks 26 are provided, and each of them has an outlet pipe 27 on its outer wall. Each outlet pipe 27 is equipped with a metering pump 28. The other end of each outlet pipe 27 is located at the top of the mixing tank 15. Multiple heating boxes 29 are spaced apart on the inner wall of the mixing tank 15. Heating wires are provided inside the heating boxes 29. A heat-conducting plate 30 is provided on the outer wall of the heating boxes 29. Observation windows 31 are provided on the outer walls of the mixing tank 15 and the storage tanks 26. A scale 32 is provided on each observation window 31.
[0033] Specifically, users can turn on the metering pump 28 to allow the reaction liquid to enter the mixing tank 15. At this time, the reaction liquid will react with the pesticides inside the fresh-cut vegetables, thus showing color, which is convenient for later comparison. In addition, users can also use the heating box 29 to heat the mixture inside the mixing tank 15 to accelerate its reaction rate and make it easier to use.
[0034] Please refer to Figure 1 As a further embodiment for placing the vegetables to be tested: a storage box 33 is provided on the upper surface of the workbench 17 and on the side of the comparison mechanism.
[0035] Specifically, the fresh-cut vegetables to be tested can be stored.
[0036] In summary, the pesticide residue detection device for fresh-cut vegetables described in the above embodiments of this utility model is used as follows: The user adds the fresh-cut vegetables to the crushing chamber and turns on the motor to crush the vegetables, causing the juice to flow out. The crushing residue and impurities such as sand and gravel are trapped inside the crushing chamber due to the filter plate. The extract then falls into the mixing tank through the discharge pipe. After crushing, the filter plate can be removed from the crushing chamber by pulling out the locking pin for easy cleaning. Once the extract enters the mixing tank, the metering pump can be turned on to allow the reaction solution to enter the mixing tank. The reaction solution then reacts with the pesticides inside the fresh-cut vegetables, resulting in a color change. The user can also heat the mixture inside the mixing tank using a heating chamber to accelerate the reaction rate and facilitate use. The valve is then opened to allow the reacted extract to fall into a storage dish. The storage dish is placed on the upper end of the placement platform, and standard solutions containing different pesticide concentrations are placed inside the placement tank. The color of the storage dish and the standard solution is compared by slowly rotating the rotating disc to achieve rapid detection.
[0037] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0038] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.
Claims
1. A pesticide residue detection device for fresh-cut vegetables, comprising a worktable, characterized in that, The upper surface of the platform is provided with support legs, and the upper end of the support legs is provided with a crushing box. Inside the crushing box, there are two sets of crushing rollers that rotate. Each of the two crushing rollers has a motor at one end. The outer wall of the crushing box has a slot, and a filter plate is slidably installed inside the slot. The filter plate is located below the crushing roller. On both sides of the slot and on the inner wall of the crushing box, there are fixing blocks. Each fixing block has a slot. On both sides of the filter plate, there are locking blocks. The locking blocks are located inside the slots. Both the locking blocks and the fixing blocks have locking holes. The locking holes are detachably equipped with locking pins. The lower surface of the crushing box is provided with a discharge pipe. The discharge pipe is equipped with a control valve. The lower end of the discharge pipe and on the platform is provided with a mixing tank. The lower surface of the platform is provided with a bracket. The lower end of the bracket is provided with a worktable. The upper end of the worktable is provided with a comparison mechanism.
2. The pesticide residue detection device for fresh-cut vegetables according to claim 1, characterized in that, The comparison mechanism includes a support column, the lower end of which is fixedly connected to a workbench. A placement platform is fixedly provided on the upper surface of the support column, and a storage dish is provided on the upper surface of the placement platform. A rotating disk is rotatably provided on the outer wall of the placement platform, and multiple placement slots are provided on the upper surface of the rotating disk. The multiple placement slots are arranged in a circular array.
3. The pesticide residue detection device for fresh-cut vegetables according to claim 2, characterized in that, A liquid guide pipe is fixedly provided on the lower end face of the mixing tank, and a valve is provided on the liquid guide pipe.
4. The pesticide residue detection device for fresh-cut vegetables according to claim 1, characterized in that, A storage rack is fixedly provided on one side of the mixing tank and on the upper surface of the platform. Multiple liquid storage tanks are provided on the upper surface of the storage rack. Each liquid storage tank has a liquid outlet pipe on one side. A metering pump is provided between each liquid outlet pipe and the corresponding liquid storage tank. The end of each liquid outlet pipe away from the liquid storage tank is located at the upper end of the mixing tank.
5. The pesticide residue detection device for fresh-cut vegetables according to claim 4, characterized in that, Multiple heating boxes are spaced apart on the inner wall of the mixing tank. Each heating box contains a heating wire and a heat-conducting plate is provided on the side of the heating box facing the center of the mixing tank.
6. The pesticide residue detection device for fresh-cut vegetables according to claim 4, characterized in that, Both the mixing tank and the storage tank have observation windows on their outer walls, and each observation window has a scale.
7. The pesticide residue detection device for fresh-cut vegetables according to claim 1, characterized in that, The workbench is equipped with a storage box, which is located near the comparison mechanism.
8. The pesticide residue detection device for fresh-cut vegetables according to claim 3, characterized in that, The storage dish is located at the lower end of the liquid delivery tube.