Heavy metal detection device for agricultural products
The device enhances heavy metal detection accuracy in agricultural products by employing a mixing cylinder and solenoid valves for multi-point sampling and reaction enhancement, addressing the limitations of single-sample detection.
Patent Information
- Application Number
- CN202420674816.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-03
AI Technical Summary
Existing heavy metal detection devices for agricultural products suffer from large errors due to single-sample detection and lack of multi-point sampling, leading to one-sided detection results.
A heavy metal detection device with a mixing cylinder, detection mechanism, and solenoid valves for multiple sample analysis, combined with heating and stirring mechanisms to enhance reaction efficiency and accuracy.
Improves detection accuracy by allowing multiple sample points analysis and accelerated reaction through stirring and heating, enabling more reliable heavy metal detection results.
Smart Images

Figure CN222189128U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural product detection equipment, in particular to an agricultural product heavy metal detection device. Background Art
[0002] Heavy metal pollution in water, soil and farmland is the main reason for excessive heavy metal content in agricultural products such as vegetables, fruits and grains. Heavy metal detection devices are needed to detect heavy metals in agricultural products.
[0003] The utility model with the existing authorization announcement number CN219871020U discloses a heavy metal detection device for agricultural products, including a supporting base and a detection tank body fixedly connected to the top of the supporting base, the top of the detection tank body is rotatably connected to a tank cover, and the top of the tank cover is fixedly connected to a motor, characterized in that an auxiliary mechanism is arranged inside the detection tank body.
[0004] By adopting the above technical scheme, agricultural products are reacted with the detection reagent. The cooperation of the above multiple parts simplifies the detection steps of agricultural products and effectively improves the detection efficiency of agricultural products. However, the above technical scheme can only place agricultural product samples in a detection tank for heavy metal detection. The error of one detection is large and there are many influencing factors. The agricultural product sample cannot be sampled multiple times to detect the agricultural product sample in multiple parts at the same time, which easily makes the detection data of the device one-sided, thereby affecting the detection result of the agricultural product heavy metal detection device.
[0005] Therefore, those skilled in the art provide a device for detecting heavy metals in agricultural products to solve the problems raised in the above background technology. Utility Model Content
[0006] The purpose of the utility model is to provide a heavy metal detection device for agricultural products to solve the problems raised in the above background technology.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A heavy metal detection device for agricultural products, comprising a mixing cylinder, a detection mechanism is arranged below the mixing cylinder;
[0009] The detection mechanism includes a lower base plate, the bottom surface of the mixing cylinder is fixedly connected to the upper surface of the lower base plate, the bottom surface of the lower base plate is fixedly connected with detection solenoid valves arranged at equal distances, the input end of each detection solenoid valve passes through the lower base plate and the mixing cylinder in sequence and extends to the interior of the mixing cylinder, a detection cylinder is arranged below each detection solenoid valve, the outer surface of each detection cylinder is fixedly connected to a heating sleeve, the outer surfaces of several heating sleeves are commonly fixedly connected to a fixing frame, the upper surface of the fixing frame is fixedly connected to the bottom surface of the lower base plate, the bottom surface of each detection cylinder is fixedly connected to an output solenoid valve, and the output ends of several output solenoid valves are commonly fixedly connected to an output pipe.
[0010] As a further solution of the utility model: two groups of support legs are fixedly connected to the bottom surface of the lower base plate, and the bottom end of each group of support legs is fixedly connected to a support plate.
[0011] As a further solution of the utility model: a positioning ring is fixedly connected to the upper surface of the mixing cylinder, and an upper cover is arranged above the positioning ring.
[0012] As a further solution of the utility model: the upper surface of the positioning ring is provided with positioning grooves arranged at equal distances, the bottom surface of the upper cover is fixedly connected with positioning blocks arranged at equal distances, and each positioning block is snapped into the interior of the positioning groove.
[0013] As a further solution of the utility model: the upper surface of the upper cover is fixedly connected to a support frame, and the inner wall of the support frame is fixedly connected to a driving motor.
[0014] As a further solution of the utility model: the output end of the driving motor is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to the inside of the upper cover, the bottom end of the rotating shaft passes through the upper cover and extends to the inside of the mixing barrel, and the outer surface of the rotating shaft is fixedly connected to stirring rods arranged at equal distances.
[0015] As a further solution of the utility model: the bottom surface of the upper cover is fixedly connected with fixed plates arranged at equal distances, the bottom surfaces of several of the fixed plates are commonly fixedly connected with a filter residue net, the side surfaces of several of the fixed plates that are away from each other and the outer surfaces of the filter residue net are in contact with the inner wall of the mixing cylinder, and the bottom surface of the filter residue net is in contact with the inner bottom wall of the mixing cylinder.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] The utility model is provided with a mixing cylinder, a lower bottom plate, a detection solenoid valve, a detection cylinder, an output solenoid valve and an output tube, and can utilize the mixing cylinder fixed on the lower bottom plate to stir and mix the agricultural products with the aqueous solution, so that the detection solenoid valve connected to the bottom surface of the mixing cylinder can be utilized to transport the mixed solution inside the mixing cylinder into the detection cylinder, so that the detection reagent can be placed in the detection cylinder manually to react with the heavy metals in the solution, so that the colors in multiple detection cylinders can be conveniently compared through a colorimetric card, and more data can be obtained to improve the accuracy of the detection data of the device, and the output solenoid valve is controlled to transport the solution in the detection cylinder through the output tube to the waste liquid collection cylinder for collection and treatment, and then the heating sleeve and the fixing frame are used to fix the heating sleeve on the outer surface of the detection cylinder, and the heating sleeve is fixed to the bottom surface of the lower bottom plate through the fixing frame, and the solution in the detection cylinder can be heated by the heating sleeve to accelerate the reaction of the detection reagent with the heavy metals in the solution, thereby improving the detection efficiency, and playing the role of being able to conveniently and accurately use the agricultural product heavy metal detection device for detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure of a driving motor for a heavy metal detection device for agricultural products;
[0019] Figure 2 It is a bottom view stereoscopic structural diagram of a detection tube in a heavy metal detection device for agricultural products;
[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of a mixing cylinder in a heavy metal detection device for agricultural products;
[0021] Figure 4 The figure is a schematic diagram of the three-dimensional structure of a filter residue net in a heavy metal detection device for agricultural products.
[0022] In the figure: 1. mixing cylinder; 2. detection mechanism; 201. lower bottom plate; 202. detection solenoid valve; 203. detection cylinder; 204. heating sleeve; 205. fixing frame; 206. output solenoid valve; 207. output pipe; 3. supporting legs; 4. supporting plate; 5. positioning ring; 6. upper cover; 7. supporting frame; 8. driving motor; 9. fixing plate; 10. filter residue net; 11. positioning groove; 12. positioning block; 13. rotating shaft; 14. stirring rod. DETAILED DESCRIPTION
[0023] See also Figure 1-4 A heavy metal detection device for agricultural products comprises a mixing drum 1, a detection mechanism 2 is arranged below the mixing drum 1, a positioning ring 5 is fixedly connected to the upper surface of the mixing drum 1, an upper cover 6 is arranged above the positioning ring 5, and the positioning ring 5 fixed on the mixing drum 1 is used to facilitate the upper cover 6 to be arranged on the mixing drum 1, so as to cover the upper part of the mixing drum 1;
[0024] The upper surface of the positioning ring 5 is provided with positioning grooves 11 arranged at equal distances, and the bottom surface of the upper cover 6 is fixedly connected with positioning blocks 12 arranged at equal distances, and each positioning block 12 is snapped into the inside of the positioning groove 11. The positioning block 12 is snapped into the inside of the positioning groove 11 to limit the upper cover 6 set on the positioning ring 5, so that the upper cover 6 can be stably set on the upper surface of the positioning ring 5.
[0025] The detection mechanism 2 includes a lower base plate 201, the bottom surface of the mixing barrel 1 is fixedly connected to the upper surface of the lower base plate 201, and two groups of support legs 3 are fixedly connected to the bottom surface of the lower base plate 201. The bottom end of each group of support legs 3 is fixedly connected to a support plate 4. The support structure composed of the two groups of support legs 3 and the support plate 4 can enable the detection device to be stably supported in the required position.
[0026] The bottom surface of the lower base plate 201 is fixedly connected with detection solenoid valves 202 arranged at equal distances, and the input end of each detection solenoid valve 202 passes through the lower base plate 201 and the mixing drum 1 in sequence and extends to the interior of the mixing drum 1. The upper surface of the upper cover 6 is fixedly connected with a support frame 7, and the inner wall of the support frame 7 is fixedly connected with a drive motor 8. The support frame 7 is fixed on the upper cover 6 to enable the drive motor 8 to be installed in the support frame 7, so that the drive motor 8 can be used to conveniently drive the stirring structure to rotate in the mixing drum 1.
[0027] A detection cylinder 203 is provided below each detection solenoid valve 202, and a heating sleeve 204 is fixedly connected to the outer surface of each detection cylinder 203, and a fixing frame 205 is fixedly connected to the outer surfaces of several heating sleeves 204, and the upper surface of the fixing frame 205 is fixedly connected to the bottom surface of the lower bottom plate 201, and the output end of the driving motor 8 is fixedly connected to the rotating shaft 13, and the rotating shaft 13 is rotatably connected to the inside of the upper top cover 6, and the bottom end of the rotating shaft 13 penetrates the upper top cover 6 and extends to the inside of the mixing cylinder 1, and the outer surface of the rotating shaft 13 is fixedly connected to stirring rods 14 arranged at equal distances, and the rotating shaft 13 fixed at the output end of the driving motor 8 can be used to rotate and stir the inside of the mixing cylinder 1 with the stirring rod 14, so that the mixed solution in the mixing cylinder 1 can be stirred.
[0028] The bottom surface of each detection cylinder 203 is fixedly connected to an output solenoid valve 206, and the output ends of several output solenoid valves 206 are commonly fixedly connected to an output pipe 207. The bottom surface of the upper cover 6 is fixedly connected to fixed plates 9 arranged at equal distances, and the bottom surfaces of several fixed plates 9 are commonly fixedly connected to a filter residue net 10. The side surfaces of several fixed plates 9 that are away from each other and the outer surface of the filter residue net 10 are in contact with the inner wall of the mixing cylinder 1, and the bottom surface of the filter residue net 10 is in contact with the inner bottom wall of the mixing cylinder 1. The fixed plate 9 is fixed to the bottom surface of the upper cover 6 to install the filter residue net 10 to the bottom surface of the upper cover 6, so that the filter residue net 10 can be used to filter, collect and process the waste residue in the mixed solution.
[0029] The working principle of the utility model is as follows: when in use, firstly connect the detection solenoid valve 202, the heating sleeve 204, the output solenoid valve 206 and the driving motor 8 to the power supply. When the device is needed to detect the heavy metals remaining in the agricultural products, the device is first placed in the required position manually to support it through the support structure composed of two groups of support legs 3 and the support plate 4. Then, the upper cover 6 is manually pulled to enable the fixing plate 9 and the filter residue net 10 to slide into the mixing barrel 1 until the upper cover 6 can cover the positioning ring 5. At the same time, the positioning block 12 fixed under the upper cover 6 can be clamped into the positioning groove 11 provided on the positioning ring 5 to enable the upper cover 6 to be firmly placed on the positioning ring 5.
[0030] Then, the extracted agricultural product sample is manually crushed and transported to the mixing drum 1 through the pipeline on the upper cover 6, and the required aqueous solution is transported to the mixing drum 1 through the pipeline on the upper cover 6. By controlling the power supply of the driving motor 8, the driving motor 8 can be used to drive the rotating shaft 13 with the stirring rod 14 to stir it, and the filtering effect of the filter residue net 10 can be used to filter the mixed solution. By controlling the power supply of the detection electromagnetic valve 202, the filtered solution can be transported to multiple detection drums 203. At the same time, the detection reagent is manually transported to the inside of the detection drum 203, and the power supply of the fixed heating sleeve 204 outside the detection drum 203 is controlled to heat the solution in the detection drum 203, thereby accelerating the reaction of the detection reagent with the heavy metal in the solution;
[0031] After the reaction is completed, multiple results are obtained by comparing the color of the color card with the color in the detection cylinder 203. By analyzing the results, the heavy metal detection accuracy of the device is improved. By controlling the power supply of the output solenoid valve 206, the output tube 207 is used to transport the waste liquid in the detection cylinder 203 to the waste liquid collection cylinder for collection and treatment. By pulling the upper cover 6, the waste residue filtered out from the filter residue net 10 is collected and treated.
[0032] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A heavy metal detection device for agricultural products, comprising a mixing cylinder (1), characterized in that: A detection mechanism (2) is provided below the mixing cylinder (1); The detection mechanism (2) comprises a lower bottom plate (201), the bottom surface of the mixing cylinder (1) is fixedly connected to the upper surface of the lower bottom plate (201), the bottom surface of the lower bottom plate (201) is fixedly connected to detection electromagnetic valves (202) arranged at equal distances, the input end of each detection electromagnetic valve (202) passes through the lower bottom plate (201) and the mixing cylinder (1) in sequence and extends to the interior of the mixing cylinder (1), and a detection cylinder (203) is arranged below each detection electromagnetic valve (202). ), the outer surface of each detection cylinder (203) is fixedly connected to a heating sleeve (204), the outer surfaces of several heating sleeves (204) are commonly fixedly connected to a fixing frame (205), the upper surface of the fixing frame (205) is fixedly connected to the bottom surface of the lower base plate (201), the bottom surface of each detection cylinder (203) is fixedly connected to an output solenoid valve (206), and the output ends of several output solenoid valves (206) are commonly fixedly connected to an output pipe (207).
2. The agricultural product heavy metal detection device according to claim 1, characterized in that: Two groups of support legs (3) are fixedly connected to the bottom surface of the lower base plate (201), and the bottom end of each group of support legs (3) is fixedly connected to a support plate (4).
3. The agricultural product heavy metal detection device according to claim 1, characterized in that: A positioning ring (5) is fixedly connected to the upper surface of the mixing cylinder (1), and an upper cover (6) is arranged above the positioning ring (5).
4. The agricultural product heavy metal detection device according to claim 3, characterized in that: The upper surface of the positioning ring (5) is provided with positioning grooves (11) arranged at equal distances, and the bottom surface of the upper cover (6) is fixedly connected with positioning blocks (12) arranged at equal distances, and each positioning block (12) is snap-fitted into the interior of the positioning groove (11).
5. The agricultural product heavy metal detection device according to claim 3, characterized in that: The upper surface of the upper cover (6) is fixedly connected to a support frame (7), and the inner wall of the support frame (7) is fixedly connected to a drive motor (8).
6. The agricultural product heavy metal detection device according to claim 5, characterized in that: The output end of the driving motor (8) is fixedly connected to a rotating shaft (13), and the rotating shaft (13) is rotatably connected to the interior of the upper cover (6). The bottom end of the rotating shaft (13) passes through the upper cover (6) and extends to the interior of the mixing barrel (1). The outer surface of the rotating shaft (13) is fixedly connected to stirring rods (14) arranged at equal distances.
7. The agricultural product heavy metal detection device according to claim 3, characterized in that: The bottom surface of the upper cover (6) is fixedly connected to fixed plates (9) arranged at equal distances, and the bottom surfaces of several of the fixed plates (9) are commonly fixedly connected to a filter residue net (10), and the side surfaces of the several fixed plates (9) that are away from each other and the outer surface of the filter residue net (10) are in contact with the inner wall of the mixing cylinder (1), and the bottom surface of the filter residue net (10) is in contact with the inner bottom wall of the mixing cylinder (1).
