Auxiliary detection device for heavy metals in agricultural products

Abstract

The utility model relates to an agricultural product heavy metal auxiliary detection device, including the tray of fixed mounting on handheld heavy metal analyzer, first through -hole and threaded hole are seted up on the tray, the threaded hole is threaded and is equipped with the screw rod, the screw rod is connected with the tray through threaded hole, the first through -hole is opposite the probe of handheld heavy metal analyzer. Purpose at in the detection process in prior art possibly because arm shaking leads to handheld heavy metal analyzer and sample contact bad generation gap to introduce detection error, influence the problem of accuracy of data.

Description

Technical Field

[0001] This utility model relates to the field of heavy metal auxiliary detection technology, specifically to a heavy metal auxiliary detection device for agricultural products. Background Technology

[0002] With rapid industrial and urbanization development, heavy metal pollution in soil and water bodies is becoming increasingly serious. These heavy metals (such as lead, cadmium, mercury, and arsenic) are absorbed and accumulated in the edible parts of agricultural products (such as grains, vegetables, and fruits) through root systems and enter the human body through the food chain, posing a serious threat to consumers' health. Therefore, on-site detection technology for heavy metals in agricultural products is of paramount importance for ensuring food safety and public health.

[0003] Currently, handheld heavy metal analyzers based on X-ray fluorescence spectroscopy have become one of the mainstream tools for rapid on-site screening. The principle of this technology is as follows: high-energy X-rays generated by the handheld heavy metal analyzer irradiate agricultural products, exciting electrons within the atoms of the agricultural products to undergo energy level transitions, thereby releasing characteristic X-ray fluorescence. By receiving and analyzing the energy and intensity of these characteristic fluorescencees, the types and contents of heavy metal elements in the agricultural products can be qualitatively and quantitatively analyzed.

[0004] However, during the testing process, the operator typically needs to firmly grip and stabilize the handheld heavy metal analyzer with one hand, ensuring its probe is in close contact with the surface of the agricultural product being tested to reduce ambient light interference and X-ray leakage. The other hand is responsible for fixing and supporting the agricultural product (such as potatoes, apples, tomatoes, etc.). During testing, arm tremors may cause poor contact between the handheld heavy metal analyzer and the sample, creating gaps that introduce detection errors and affect the accuracy of the data. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide an auxiliary detection device for heavy metals in agricultural products, so as to solve the problem in the prior art that the handheld heavy metal analyzer may have poor contact with the sample due to arm shaking during the detection process, resulting in gaps and thus introducing detection errors and affecting the accuracy of the data.

[0006] This utility model is achieved through the following technical solution: A heavy metal auxiliary detection device for agricultural products includes a tray fixedly installed on a handheld heavy metal analyzer. The tray has a first through hole and a threaded hole. A screw is inserted into the threaded hole and is threadedly connected to the tray through the threaded hole. The first through hole is directly opposite the probe of the handheld heavy metal analyzer.

[0007] Furthermore, a partition is slidably connected to the tray, and the partition is rotatably connected to one end of the screw located inside the tray.

[0008] Furthermore, a second through hole is provided on the partition plate, and a first nut is threaded to one end of the screw located in the tray. A rotating shaft is fixedly connected to the end of the first nut away from the screw. The diameter of the rotating shaft is smaller than the second through hole, and an external thread is provided at the end of the rotating shaft away from the first nut, and a second nut is threaded to it.

[0009] Furthermore, both sides of the partition are provided with grooves that fit the edge of the tray, and the edge of the tray is engaged in the grooves.

[0010] Furthermore, two triangular prisms are fixedly connected to the side of the partition facing the first through hole, and the inclined surfaces of the two triangular prisms are both facing the agricultural product to be tested.

[0011] Furthermore, a handle is fixedly connected to one end of the screw located outside the tray.

[0012] Furthermore, multiple protrusions are fixedly connected to the handle.

[0013] Furthermore, a sleeve is fixedly connected to the tray, and the sleeve is fitted onto the handheld heavy metal analyzer and located at one end of the probe of the handheld heavy metal analyzer.

[0014] The beneficial effects of this utility model are as follows: This auxiliary detection device for heavy metals in agricultural products involves placing the agricultural product to be tested into a tray. Depending on the size and shape of the product, a screw is rotated so that one end of the screw rests against the side wall of the product within the tray. The operator holds the handheld heavy metal analyzer with one hand to detect the types and amounts of heavy metals in the product, while the other hand can move freely or stabilize the tray. Compared to existing technologies, because the agricultural product is fixed inside the tray, and the tray is fixed to the handheld heavy metal analyzer, the product and tray move together with the analyzer during arm movements. This reduces the probability of poor probe-sample contact and gaps caused by operator arm tremors, thereby reducing detection errors and improving data accuracy.

[0015] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the use of this utility model. Figure 1 ; Figure 2 This is a schematic diagram of the use of this utility model. Figure 2 ; Figure 3 This is a schematic diagram of the structure of this utility model; Figure 4 This is a partial structural schematic diagram of the present invention; Figure 5 For the present utility model Figure 4 A magnified view of part A in the image.

[0017] In the diagram: 1. Handheld heavy metal analyzer; 2. Tray; 3. First through hole; 4. Threaded hole; 5. Screw; 6. Partition; 7. Second through hole; 8. First nut; 9. Shaft; 10. External thread; 11. Second nut; 12. Groove; 13. Triangular prism; 14. Handle; 15. Raised bar; 16. Sleeve; 17. Agricultural product. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0021] In the above description of this utility model, it should be noted that the terms "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0022] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable.

[0023] Please see Figure 1-5 This utility model provides a technical solution: an auxiliary detection device for heavy metals in agricultural products, including a tray 2 fixedly installed on a handheld heavy metal analyzer 1. The tray 2 has a first through hole 3 and a threaded hole 4. A screw 5 passes through the threaded hole 4 and is threaded to the tray 2 through the threaded hole 4. The first through hole 3 is directly opposite the probe of the handheld heavy metal analyzer 1.

[0024] A sleeve 16 is fixedly connected to the tray 2. The sleeve 16 is fitted onto the handheld heavy metal analyzer 1 and is located at one end of the probe of the handheld heavy metal analyzer 1.

[0025] Working principle: The tray 2 is directly facing the probe of the handheld heavy metal analyzer 1 through the first through hole 3, allowing X-rays to pass through and irradiate the agricultural products 17.

[0026] The screw 5 is threaded to the tray 2 through the threaded hole 4, and is used to adjust or fix the position of the agricultural product 17.

[0027] By fitting the sleeve 16 onto the handheld heavy metal analyzer 1 and placing it at one end of the probe, the tray 2 is detachably and fixedly connected to the handheld heavy metal analyzer 1, thereby improving the stability of the handheld heavy metal analyzer 1 during the detection process.

[0028] The handheld heavy metal analyzer model 1 can be selected as Niton XL5 Plus.

[0029] How to use: Step 1: Place the sleeve 16 onto the handheld heavy metal analyzer 1, so that the tray 2 is tightly attached to one end of the probe of the handheld heavy metal analyzer 1, and align the first through hole 3 with the probe to facilitate the emission and reception of X-rays.

[0030] Step 2: Place the agricultural product to be tested 17 into the tray 2. According to the size and shape of the agricultural product to be tested 17, rotate the screw 5 so that one end of it inside the tray 2 abuts against the side wall of the agricultural product to be tested 17.

[0031] Step 3: The staff member holds the handheld heavy metal analyzer 1 with one hand to detect the types and contents of heavy metal elements in agricultural products 17, while the other hand can move freely or stabilize the tray 2.

[0032] Technical benefits: Compared with existing technologies, since the agricultural product 17 is fixed inside the tray 2, and the tray 2 is fixed on the handheld heavy metal analyzer 1, the agricultural product 17 and the tray 2 will move together with the handheld heavy metal analyzer 1 during the arm shaking process. This reduces the probability of poor contact between the probe and the sample caused by the operator's arm shaking, thereby reducing detection errors and improving the accuracy of the data.

[0033] In this embodiment: a partition 6 is slidably connected to the tray 2, and the partition 6 is rotatably connected to one end of the screw 5 located inside the tray 2.

[0034] The partition plate 6 has a second through hole 7. The end of the screw 5 located in the tray 2 is threadedly connected to a first nut 8. The end of the first nut 8 away from the screw 5 is fixedly connected to a rotating shaft 9. The diameter of the rotating shaft 9 is smaller than that of the second through hole 7. The end of the rotating shaft 9 away from the first nut 8 is provided with an external thread 10 and is threadedly connected to a second nut 11.

[0035] Both sides of the partition 6 are provided with grooves 12 that are adapted to the edge of the tray 2, and the edge of the tray 2 is engaged in the grooves 12.

[0036] Two triangular prisms 13 are fixedly connected to the side of the partition 6 facing the first through hole 3, and the inclined surfaces of the two triangular prisms 13 are both facing the agricultural product 17 to be tested.

[0037] Working principle: The partition 6 slides on the tray 2 as the screw 5 moves, further adapting to agricultural products 17 of different shapes and sizes, such as rice, wheat and sorghum.

[0038] The rotating shaft 9 passes through the second through hole 7 on the partition 6 and restricts the axial movement of the partition 6 relative to the screw 5 through the first nut 8 and the second nut 11, so that the partition 6 can slide with the movement of the screw 5, thereby improving the stability of the partition 6 sliding on the tray 2.

[0039] The grooves 12 on both sides of the partition 6 engage with the edge of the tray 2, improving the stability of the partition 6 sliding on the tray 2.

[0040] The triangular prism 13 is fixed on the side of the partition 6 facing the agricultural product 17, with its inclined surface facing the agricultural product 17 to be tested, increasing the contact area with the agricultural product 17, reducing the displacement or shaking of the agricultural product 17 during the testing process, and making the agricultural product 17 more stably located in the tray 2.

[0041] In this embodiment, a handle 14 is fixedly connected to one end of the screw 5 located outside the tray 2.

[0042] Multiple protrusions 15 are fixedly connected to the handle 14.

[0043] Working principle: A handle 14 is fixedly connected to one end of the screw 5 outside the tray 2, and multiple protrusions 15 are fixedly connected to the handle 14. This provides a more comfortable grip surface, making it easier for the operator to rotate the screw 5. The protrusions 15 increase the friction on the surface of the handle 14, making the rotation operation less strenuous.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A heavy metal auxiliary detection device for agricultural products, characterized in that: The instrument includes a tray (2) fixedly mounted on a handheld heavy metal analyzer (1). The tray (2) has a first through hole (3) and a threaded hole (4). A screw (5) is inserted into the threaded hole (4). The screw (5) is threaded to the tray (2) through the threaded hole (4). The first through hole (3) is directly opposite the probe of the handheld heavy metal analyzer (1).

2. The auxiliary detection device for heavy metals in agricultural products according to claim 1, characterized in that: A partition (6) is slidably connected to the tray (2), and the partition (6) is rotatably connected to one end of the screw (5) located inside the tray (2).

3. The auxiliary detection device for heavy metals in agricultural products according to claim 2, characterized in that: The partition (6) has a second through hole (7). The end of the screw (5) located in the tray (2) is threaded with a first nut (8). The end of the first nut (8) away from the screw (5) is fixedly connected with a rotating shaft (9). The diameter of the rotating shaft (9) is smaller than the second through hole (7). The end of the rotating shaft (9) away from the first nut (8) is provided with an external thread (10) and is threaded with a second nut (11).

4. The auxiliary detection device for heavy metals in agricultural products according to claim 2, characterized in that: The partition (6) has grooves (12) on both sides that are adapted to the edge of the tray (2), and the edge of the tray (2) is engaged in the grooves (12).

5. The auxiliary detection device for heavy metals in agricultural products according to claim 2, characterized in that: Two triangular prisms (13) are fixedly connected to the side of the partition (6) facing the first through hole (3), and the inclined surfaces of the two triangular prisms (13) are facing the agricultural product to be tested (17).

6. The auxiliary detection device for heavy metals in agricultural products according to claim 1, characterized in that: The screw (5) is fixedly connected to a handle (14) at one end outside the tray (2).

7. The auxiliary detection device for heavy metals in agricultural products according to claim 6, characterized in that: Multiple protrusions (15) are fixedly connected to the handle (14).

8. The auxiliary detection device for heavy metals in agricultural products according to claim 1, characterized in that: A sleeve (16) is fixedly connected to the tray (2). The sleeve (16) is fitted onto the handheld heavy metal analyzer (1) and is located at one end of the probe of the handheld heavy metal analyzer (1).

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