Ultraviolet analyzer for pesticide residue detection

Abstract

The utility model discloses an ultraviolet analyzer for pesticide residue detection, and relates to the technical field of ultraviolet analyzers, the ultraviolet analyzer comprises a detection mechanism used for realizing real-time detection and recording of colors, the detection mechanism comprises a box body assembly, the box body assembly comprises a box body, a camera is fixedly installed at the top of an inner cavity of the box body, and the camera is connected with the box body assembly; an ultraviolet lamp is fixedly mounted at the top of an inner cavity of the box body; the sampling assembly is arranged in the box body assembly and is used for conveniently putting in and taking out a sample; the adjusting supporting leg assembly is arranged at the bottom of the box body assembly and used for adjusting the flatness of a box body, a camera is fixedly installed on the left side of the top of the box body, a lens of the camera is aligned to the upper portion of a drawing plate, a sample emits fluorescence under irradiation of an ultraviolet lamp, the camera carries out real-time photographing, and information is transmitted to a mobile phone. And the fluorescence RGB value is calculated by using mobile phone color identification software, and then the concentration is detected, so that the real-time detection and recording of the color are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of ultraviolet analyzers, in particular to an ultraviolet analyzer for detecting pesticide residues. Background Art

[0002] UV analyzer is an optical instrument that uses different wavelengths for electrophoresis analysis, detection, PCR product detection, DNA fingerprint analysis, paper layer analysis or thin layer analysis, etc. It can emit three wavelengths of light radiation: long-wave ultraviolet, short-wave ultraviolet and visible light. It has a fully enclosed design, can be turned on and used at any time, and has low power consumption.

[0003] According to the patent name: Chemiluminescent organophosphorus pesticide residue analyzer and its detection method (patent publication number: CN1664567A, patent publication date: 2005-09-07), it includes an analyzer and a photolyzer, and the analyzer and the photolyzer are connected through a conduit. The detector of the present invention has the advantages of strong anti-interference ability, high sensitivity, wide linear range, high degree of automation, and suitability for on-site measurement. The detection method of the present invention uses potassium persulfate to decompose the organophosphorus pesticide residues on vegetables or fruits into phosphates under the catalysis of titanium dioxide nanoparticles and ultraviolet light, and the phosphates form phosphorus molybdenum vanadium heteropoly acids with molybdates and vanadates, oxidize luminol solution, generate chemiluminescence, and quantify according to the chemiluminescence intensity to measure the total amount of organophosphorus pesticide residues on vegetables or fruits. The linear range of organophosphorus pesticide determination is 1.0×10-9-1.0×10-5g / ml, the detection limit is 8.0×10-10g / ml, and the relative standard deviation is 4.8%. The detection method of the invention has the advantages of high sensitivity and wide linear range, and can be used to detect the total amount of organophosphorus pesticide residues on fruits or vegetables.

[0004] Based on the above-mentioned prior art, the existing ultraviolet analyzers for detecting pesticide residues still have the following problems: under the existing technical conditions, the ultraviolet analyzer cannot realize the real-time detection and recording functions of color, which limits its application scope and practicality to a certain extent. In addition, the price of the ultraviolet analyzer is relatively high. For small enterprises or individual users, the purchase cost may exceed the budget, making it difficult for this advanced equipment to be popularized and applied in a wider group. For this reason, the utility model provides an ultraviolet analyzer for detecting pesticide residues. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides an ultraviolet analyzer for detecting pesticide residues, which solves the following problems existing in the prior ultraviolet analyzer for detecting pesticide residues: under the existing technical conditions, the ultraviolet analyzer cannot yet realize the real-time detection and recording functions of color, which to a certain extent limits its application scope and practicality; in addition, the price of the ultraviolet analyzer is relatively high, and for small enterprises or individual users, the purchase cost may exceed the budget, making it difficult for this advanced equipment to be popularized and applied among a wider group of people.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a UV analyzer for pesticide residue detection, including a detection mechanism for realizing real-time detection and recording of color, the detection mechanism includes:

[0007] A box assembly comprises a box, a camera is fixedly mounted on the top of the inner cavity of the box, and an ultraviolet lamp is fixedly mounted on the top of the inner cavity of the box;

[0008] The sampling assembly is arranged inside the box assembly and is used to facilitate the insertion and removal of samples;

[0009] The adjusting leg assembly is arranged at the bottom of the box assembly and is used to adjust the flatness of the box.

[0010] Preferably, the box assembly also includes a black lining fixedly installed on the inner wall of the box, the front and rear walls of the inner cavity of the box are provided with sliding grooves, a sampling door is hingedly installed on the right side of the box, a black lining of the box door is fixedly installed on the inner side of the sampling door, and a switch is fixedly installed on the top of the box.

[0011] Preferably, the sampling assembly includes a pull-out plate slidably mounted inside a slide groove, a plurality of positioning frames are fixedly mounted on the top of the pull-out plate, and a handle is fixedly mounted on the right side of the pull-out plate.

[0012] Preferably, the adjustable leg assembly comprises a mounting plate fixedly mounted at the four corners of the bottom of the box body, a threaded column is fixedly mounted at the bottom of the mounting plate, and an outer threaded sleeve of the threaded column is provided with a threaded sleeve leg.

[0013] Preferably, the camera is fixedly mounted on the left side of the top of the box, and the lens of the camera is aimed at the top of the pull-out plate.

[0014] Preferably, the mounting plate is fixed to the bottom of the box body by bolts.

[0015] The utility model provides a UV analyzer for detecting pesticide residues. Compared with the prior art, it has the following beneficial effects:

[0016] (1) The UV analyzer for pesticide residue detection is fixedly installed on the left side of the top of the box through a camera, and the camera lens is aimed at the top of the pull-out plate. The sample emits fluorescence under the irradiation of the ultraviolet lamp. The camera takes pictures in real time and transmits the information to the mobile phone. The mobile phone color recognition software calculates the fluorescence RGB value and then detects the concentration, thereby realizing real-time detection and recording of color.

[0017] (2) The UV analyzer for pesticide residue detection is installed into the interior of the slide groove by sliding a pull-out plate, so that the pull-out plate can be pulled out, which is convenient for putting in and taking out samples, improves operation efficiency, reduces operation difficulty, and enables users to perform pesticide residue detection more easily. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a right-side stereoscopic structural diagram of the utility model;

[0019] Figure 2 This is a front sectional stereoscopic structural diagram of the box assembly of the utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of the sampling component of the utility model;

[0021] Figure 4 It is a three-dimensional structural diagram of the adjustment component of the utility model.

[0022] In the figure: 1-detection mechanism, 11-box assembly, 111-box, 112-camera, 113-ultraviolet lamp, 114-switch, 115-sampling door, 116-black lining of box door, 117-slide, 118-black lining of box, 12-sampling assembly, 121-pull-out plate, 122-positioning frame, 123-handle, 13-adjusting leg assembly, 131-mounting plate, 132-threaded column, 133-threaded leg, 134-bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 , the utility model provides a technical solution:

[0025] A UV analyzer for detecting pesticide residues includes a detection mechanism 1 for realizing real-time detection and recording of color. The detection mechanism 1 includes:

[0026] The box assembly 11 includes a box 111, a camera 112 is fixedly installed on the top of the inner cavity of the box 111, and an ultraviolet lamp 113 is fixedly installed on the top of the inner cavity of the box 111. The ultraviolet lamp 113 is fixedly installed in the middle position of the top of the inner cavity of the box 111;

[0027] The sampling assembly 12 is arranged inside the box assembly 11 and is used to facilitate the insertion and removal of samples;

[0028] The adjusting leg assembly 13 is disposed at the bottom of the box assembly 11 and is used to adjust the flatness of the box 111 .

[0029] In this embodiment, the box assembly 11 also includes a black box lining 118 fixedly installed on the inner wall of the box 111. The black box lining 118 is a light-blocking black cloth arranged on the inner wall of the box 111 to avoid light interference and prevent external light from affecting information recording. A slide groove 117 is provided on the front and rear walls of the inner cavity of the box 111. A sampling door 115 is installed on the right side of the box 111 through a hinge. A black box door lining 116 is fixedly installed on the inner side of the sampling door 115. The black box door lining 116 is a light-blocking black cloth installed on the inner side of the sampling door 115 to avoid light interference and prevent external light from affecting information recording. The box 11 1 is fixedly mounted with a switch 114 on the top, a camera 112 is fixedly mounted on the left side of the top of the box 111, and the lens of the camera 112 is aimed at the top of the pull-out plate 121, the model of the camera 112 is WX-IR7010MD, the camera 112 is fixedly mounted at the middle position of the left side of the top of the box 111, and the lens of the camera 112 is aimed at the top of the pull-out plate 121, the sample emits fluorescence under the irradiation of the ultraviolet lamp, the camera 112 takes pictures in real time, transmits the information to the mobile phone, uses the mobile phone color recognition software to calculate the fluorescence RGB value, and then detects the ion concentration, thereby realizing real-time detection and recording of the color.

[0030] In this embodiment, the sampling component 12 includes a pull-out plate 121 slidably installed inside the slide groove 117, a plurality of positioning frames 122 are fixedly installed on the top of the pull-out plate 121, and a handle 123 is fixedly installed on the right side of the pull-out plate 121. The pull-out plate 121 is slidably installed into the interior of the slide groove 117, so that the pull-out plate 121 realizes a pull-out design, which is convenient for placing and removing samples, improves operating efficiency, and reduces operating difficulty, so that users can perform pesticide residue detection work more easily.

[0031] In this embodiment, the adjustable leg assembly 13 includes a mounting plate 131 fixedly mounted at the four corners of the bottom of the box 111, and a threaded column 132 is fixedly mounted at the bottom of the mounting plate 131. The outer circle thread sleeve of the threaded column 132 is provided with a threaded sleeve leg 133. The threaded sleeve leg 133 can be rotated on the outer circle of the threaded column 132 to adjust the flatness of the four corners of the box 111, thereby ensuring that the device can maintain a horizontal and stable working state under different environmental conditions. In actual use, the ground is often uneven. If the flatness of the four corners of the device cannot be adjusted, the device may tilt or shake, affecting the accuracy of the detection results. The adjustable flatness of the device can be adjusted according to the actual situation of the ground to keep the device level, thereby ensuring the accuracy of the detection results.

[0032] In this embodiment, the mounting plate 131 is fixed to the bottom of the box body 111 by bolts 134, so that the adjustable leg assembly 13 is detachable, making the transportation and carrying of the device more convenient. When the device needs to be moved from one place to another, the user can easily disassemble the adjustable leg assembly 13, thereby reducing the volume and weight of the entire device, making it convenient to put it into a carrying box or a transport vehicle, reducing transportation costs, and improving transportation efficiency.

[0033] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0034] During operation, the user first connects the device to an external power source, then rotates the four threaded sleeve legs 133 to adjust the flatness of the box 111, then opens the sampling door 115, pulls out the pull-out plate 121 through the handle 123, and then puts the cuvette containing the sample into the interior of the positioning frame 122, and then pushes the pull-out plate 121 into the interior of the box 111, closes the sampling door 115, and then turns on the camera 112 and the ultraviolet lamp 113 through the switch 114, and the ultraviolet lamp 113 irradiates the sample inside the cuvette. At this time, the solution produces fluorescence, and the camera 112 records and takes pictures in time and transmits the pictures to the mobile phone, and the data is processed by color recognition software, and the concentration of the ion to be measured is calculated according to the RGB value.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A UV analyzer for detecting pesticide residues, characterized in that: The invention comprises a detection mechanism (1) for realizing real-time detection and recording of color, wherein the detection mechanism (1) comprises: A box assembly (11) comprises a box (111), a camera (112) being fixedly mounted on the top of the inner cavity of the box (111), and an ultraviolet lamp (113) being fixedly mounted on the top of the inner cavity of the box (111); A sampling assembly (12) is arranged inside the box assembly (11) and is used to facilitate the insertion and removal of samples; The adjusting leg assembly (13) is arranged at the bottom of the box assembly (11) and is used to adjust the flatness of the box (111).

2. The ultraviolet analyzer for pesticide residue detection according to claim 1, characterized in that: The box assembly (11) further comprises a black box lining (118) fixedly mounted on the inner wall of the box (111); the front and rear walls of the inner cavity of the box (111) are provided with a slide groove (117); a sampling door (115) is hingedly mounted on the right side of the box (111); a black box door lining (116) is fixedly mounted on the inner side of the sampling door (115); and a switch (114) is fixedly mounted on the top of the box (111).

3. The ultraviolet analyzer for pesticide residue detection according to claim 2, characterized in that: The sampling assembly (12) comprises a pull-out plate (121) slidably mounted inside a slide groove (117), a plurality of positioning frames (122) are fixedly mounted on the top of the pull-out plate (121), and a handle (123) is fixedly mounted on the right side of the pull-out plate (121).

4. The ultraviolet analyzer for pesticide residue detection according to claim 1, characterized in that: The adjustable leg assembly (13) comprises a mounting plate (131) fixedly mounted at the four corners of the bottom of the box body (111), a threaded column (132) fixedly mounted at the bottom of the mounting plate (131), and a threaded sleeve leg (133) is disposed on the outer threaded sleeve of the threaded column (132).

5. The ultraviolet analyzer for detecting pesticide residues according to claim 3, characterized in that: The camera (112) is fixedly mounted on the left side of the top of the box body (111), and the lens of the camera (112) is aligned with the top of the drawer plate (121).

6. The ultraviolet analyzer for pesticide residue detection according to claim 4, characterized in that: The mounting plate (131) is fixedly mounted on the bottom of the box body (111) by means of bolts (134).

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