Pesticide residue detection device
By designing a portable pesticide residue detection device, which employs an observation window and a droplet assembly, the portability issue of pesticide residue detection in vegetables and fruits has been solved, enabling convenient pesticide residue detection.
Patent Information
- Application Number
- CN202520142967.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Current methods for detecting pesticide residues on the surface of fruits and vegetables are mainly conducted in laboratories, which lacks portability and makes it difficult to meet the testing needs of daily life.
A pesticide residue detection device was designed, comprising a shell, a material inlet, an observation window, a detection component, and a dropper component. The reaction of the test paper can be observed through the observation window and colorimetric plate on the outer wall of the shell, and the washing liquid can be conveniently added using the dropper component, thus achieving portable detection.
It enables convenient detection of pesticide residues in vegetables and fruits, improving the portability and ease of operation of the detection.
Smart Images

Figure CN223857063U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of pesticide detection, specifically point to a pesticide residue detection device. BACKGROUND
[0002] The existing detection of the residual pesticide on the surface of vegetables and fruits is usually carried out in the laboratory, and the experimental personnel pours the washing solution on the surface of vegetables or fruits after rubbing, collects the washing solution, and combines with test paper to detect pesticide residues, but this method is only suitable for laboratory operation, and the portability is insufficient for daily pesticide detection of vegetable and fruit products, so there is an urgent need for a pesticide residue detection device to solve the above problems. UTILITY MODEL CONTENT
[0003] The technical problem to be solved by the utility model is to improve the portability of pesticide detection of vegetable and fruit products to adapt to the pesticide detection of vegetables and fruits in daily life.
[0004] In order to realize the above function, the technical scheme adopted by the utility model is as follows: a pesticide residue detection device, including a shell, a material placing groove provided on the side wall of the shell, and a door plate hinged on the material placing groove, characterized in that: an observation window is formed in the side wall of the shell, a detection assembly is further arranged on the side wall of the shell, and a drop liquid assembly is arranged at the upper end of the shell.
[0005] The detection assembly comprises a colorimetric plate fixedly arranged on the side wall and located above the observation window, and a card slot for placing test paper below the material placing groove, and a washing shell is fixedly connected to the upper end of the card slot.
[0006] The drop liquid assembly comprises a hollow column slidingly arranged at the upper end of the shell, and a pipette arranged in the hollow column, and the lower end of the hollow column extends into the washing shell.
[0007] Further, the detection assembly further comprises a rubber plug slidingly arranged on the inner wall of one side of the card slot, the inside of the washing shell is provided with a filter screen, and the side wall of the washing shell is communicated with the material placing groove.
[0008] Further, the lower end of the washing shell is in the shape of a circular truncated cone and is communicated with the upper end of the card slot.
[0009] Further, the drop liquid assembly further comprises two springs oppositely arranged on the inner wall of the upper end of the shell, the other ends of the two springs are fixedly connected with the side wall of the extending end of the hollow column, and the outer wall of the pipette is provided with a threaded strip and is connected with the hollow column through the threaded strip.
[0010] Further, the lower end of the hollow column is in the shape of a pie and is provided with a drop liquid hole for the lower end of the pipette to extend into.
[0011] Further, the colorimetric plate is provided with color blocks of different colors for comparison with the test paper.
[0012] The utility model discloses the beneficial effects achieved by the above structure are as follows:
[0013] 1, be equipped with detection assembly, through placing groove to place the test paper for detection, and the shell outer wall is provided with observation window and colorimetric plate, can observe the color of test paper after reaction, and compare with colorimetric plate, therefore realize the purpose of convenient detection;
[0014] 2, be equipped with drop component, through downward pressing pipette, its outer wall screw thread connection hollow column downward pressing sample's usual can extrude washing liquid to the surface of vegetable or fruit, and the mixed liquid enters the test paper in the paper slot in the washing shell lower end through washing, to realize the function of convenient drop. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the overall structure schematic of pesticide residue detection device that the utility model proposes Figure 1 ;
[0016] Figure 2 It is the overall structure schematic of pesticide residue detection device that the utility model proposes Figure 2 ;
[0017] Figure 3 It is the sectional view of pesticide residue detection device that the utility model proposes;
[0018] Figure 4 It is the structure schematic of drop component in the embodiment Figure 1 ;
[0019] Figure 5 It is the structure schematic of drop component in the embodiment Figure 2 .
[0020] 1, shell, 2, material placing groove, 3, observation window, 4, colorimetric plate, 5, rubber plug, 6, door plate, 7, hollow column, 8, pipette, 9, washing shell, 10, spring, 11, paper slot, 12, test paper, 13, screw thread strip, 14, drop hole.
[0021] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and with the embodiment of the utility model, are used to explain the utility model, and do not constitute the limitation of the utility model. DETAILED DESCRIPTION
[0022] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.
[0023] Reference Figures 1-3 As shown in the utility model for realizing the above function, the technical scheme adopted is as follows: a pesticide residue detection device, including shell 1, and the material placing groove 2 arranged on the side wall of the shell 1, and the door plate 6 hinged on the material placing groove 2, the observation window 3 is opened on the side wall of the shell 1, the reaction inside the shell is observed, the detection assembly is further arranged on the side wall of the shell 1, and the upper end of the shell 1 is provided with a drop liquid assembly;
[0024] The detection assembly includes the colorimetric plate 4 fixedly arranged on the side wall and located above the observation window 3, and the card slot 11 for placing test paper 12 below the material placing groove 2, the colorimetric plate 4 is provided with color blocks of different colors, which is used for comparing with the test paper 12 to determine the concentration of pesticide residue, and the upper end of the card slot 11 is fixedly connected with the washing shell 9;
[0025] The drop liquid assembly includes the hollow column 7 slidingly arranged on the upper end of the shell 1, and the pipette 8 arranged in the hollow column 7, and the lower end of the hollow column 7 extends into the washing shell 9.
[0026] As Figure 3 The detection assembly further includes the rubber plug 5 slidingly arranged on the inner wall of one side of the card slot 11, which limits the test paper 12 placed in the card slot 11 to prevent it from sliding out of the card slot 11, the inside of the washing shell 9 is provided with a filter screen, after the vegetables and fruits are placed on the filter screen and extruded by the lower end of the hollow column, the liquid sprayed in the pipette 8 is mixed and then enters the test paper 12 in the card slot 11, the side wall of the washing shell 9 is connected with the material placing groove 2, the door plate 6 can be opened to put the vegetable and fruit samples into the inside of the washing shell 9, the lower end of the washing shell 9 is circularly arranged in a circular table shape and connected with the upper end of the card slot 11, so that the mixed washing liquid enters the test paper to cause the test paper to change color.
[0027] As Figures 4-5The shown droplet assembly further comprises two springs 10 oppositely arranged on the inner wall of the upper end of the housing 1, and the other ends of the two springs 10 are fixedly connected with the side wall of the extending end of the hollow column 7, for pulling back the hollow column 7; the outer wall of the pipette 8 is provided with a threaded strip 13, and the threaded strip 13 is connected with the hollow column 7, so that the pipette 8 can be conveniently disassembled and replaced; when the pipette 8 is pressed, the hollow column moves downward vertically; the lower end of the hollow column 7 is in the shape of a pie, and a droplet hole 14 is formed in the upper end of the hollow column 7, for the lower end of the pipette 8 to extend into; the washing liquid drops on the surface of the vegetables or fruits through the droplet hole 14, and then the mixed liquid flows onto the test paper 12 in the paper slot 11 at the lower end of the hollow column 7 after the lower end of the hollow column 7 is pressed, so as to complete the droplet process.
[0028] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0029] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
[0030] The above describes the present application and its embodiments, which are not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by the above description, without departing from the creative principles of the present application, similar structural modes and embodiments can be designed without creative design, which should belong to the protection scope of the present application.
Claims
1. A pesticide residue detection device, comprising a shell (1), a material placing groove (2) arranged on the side wall of the shell (1), and a door plate (6) hinged on the material placing groove (2), characterized in that: The shell (1) side wall is provided with an observation window (3), the shell (1) side wall is further provided with a detection assembly, the upper end of the shell (1) is provided with a drop assembly; The detection assembly includes a colorimetric plate (4) fixedly arranged on the side wall and located above the observation window (3), and a card slot (11) for placing test paper (12) located below the material placing groove (2), the upper end of the card slot (11) is fixedly connected with a washing shell (9); The drop assembly includes a hollow column (7) slidingly arranged on the upper end of the shell (1), and a pipette (8) arranged in the hollow column (7), the lower end of the hollow column (7) extends into the washing shell (9).
2. The pesticide residue detection device according to claim 1, characterized in that: The detection assembly further includes a rubber plug (5) slidingly arranged on the inner wall of one side of the card slot (11), the inside of the washing shell (9) is provided with a filter screen, and the side wall of the washing shell (9) is in communication with the material placing groove (2).
3. The pesticide residue detection device according to claim 2, characterized in that: The lower end of the washing shell (9) is in the shape of a circular truncated cone and is in communication with the upper end of the card slot (11).
4. The pesticide residue detection device according to claim 1, characterized in that: The drop assembly further includes two springs (10) oppositely arranged on the inner wall of the upper end of the shell (1), the other ends of the two springs (10) are fixedly connected with the side wall of the extending end of the hollow column (7), the outer wall of the pipette (8) is provided with a threaded strip (13), and the threaded strip (13) is connected with the hollow column (7).
5. The pesticide residue detection device according to claim 4, characterized in that: The lower end of the hollow column (7) is in the shape of a pie and is provided with a drop hole (14) for the lower end of the pipette (8) to extend into.
6. The pesticide residue detection device according to claim 1, characterized in that: The colorimetric plate (4) is provided with color blocks of different colors for comparison with the test paper (12).