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CN-122016793-A - Dynamic monitoring device and method for pesticide residue on surface of fruit

CN122016793ACN 122016793 ACN122016793 ACN 122016793ACN-122016793-A

Abstract

The invention relates to the technical field of agricultural product quality safety nondestructive detection, and discloses a device and a method for dynamically monitoring pesticide residue on the surface of a fruit, which comprises a camera bellows, wherein the inner wall of the camera bellows is provided with a main control and processing computer, a supporting table, a supporting plate and a supporting frame, the top of brace table is equipped with imaging spectrometer, imaging spectrometer's outer wall is equipped with the camera, the outer wall of backup pad is equipped with motor two. Through the rolling disc rotating, make the rolling disc drive the arm and rotate, adjust the distance of mechanical clamping jaw, the rethread mechanical clamping jaw comes the sample at conveyer belt top to carry out the centre gripping, receive the briquetting and receive the extrusion back can remove to the inside of standing groove, can carry pressure to pressure detection device's inside after receiving the extrusion through spring one, make the rolling plate can drive the light filling board and rotate when rotating, make the light filling board place in the place of sample forty-five degrees angles, make the light filling board carry out the light filling to the sample.

Inventors

  • QIAO ZHIXIA
  • WANG YONG
  • WANG HUAIWEN

Assignees

  • 天津商业大学

Dates

Publication Date
20260512
Application Date
20260403

Claims (10)

  1. 1. The utility model provides a fruit surface pesticide residue dynamic monitoring device, includes camera bellows (1), its characterized in that, the inner wall of camera bellows (1) is equipped with master control and processing computer (2), brace table (3), backup pad (6) and support frame (7), imaging spectrometer (4) are equipped with at the top of brace table (3), imaging spectrometer (4)'s outer wall is equipped with camera (5), motor two (14) are equipped with to the outer wall of backup pad (6), motor two (14)'s power take off shaft is equipped with transmission shaft (15), the outer wall rotation of transmission shaft (15) is connected with conveyer belt (16), motor one (8) are equipped with at the top of support frame (7), screw (9) are equipped with in the power take off shaft of motor one (8), screw (9) outer wall threaded connection has slider (10), the outer wall of slider (10) is equipped with light filling subassembly (13), the outer wall of slider (10) is equipped with connecting block (11), the top of connecting block (11) is equipped with clamping assembly (12), the inside of infrared monitoring device (17) are equipped with.
  2. 2. The device for dynamically monitoring pesticide residues on the surface of fruits according to claim 1, wherein the clamping assembly (12) comprises a rotating disc (1201), one end of a mechanical arm (1202) is assembled on the top of the rotating disc (1201), the other end of the mechanical arm (1202) is rotatably connected with a mechanical clamping jaw (1203), a placing groove (1204) is formed in the mechanical clamping jaw (1203), a pressure detection device (1205) is assembled in the placing groove (1204), a first spring (1206) and a control button (1208) are respectively assembled on the top of the pressure detection device (1205), a pressed block (1207) is assembled on one end, far away from the pressure detection device (1205), of the first spring (1206), and an anti-slip layer (1209) is assembled on the outer wall of the pressed block (1207).
  3. 3. The device for dynamically monitoring pesticide residues on the surface of fruits according to claim 2, wherein the light supplementing component (13) comprises a fixed block (1301), one end of a transmission plate (1302) is rotatably connected to the inside of the fixed block (1301), a connecting plate (1303) is rotatably connected to the outer wall of the other end of the transmission plate (1302), a pressing plate (1304) is rotatably connected to the outer wall of the connecting plate (1303), a rotating column (1305) is rotatably connected to the inside of the pressing plate (1304), a pushing plate (1306) is assembled on the outer wall of the rotating column (1305), a supporting block (1308) is arranged on the outside of the pushing plate (1306), a rotating rod (1309) is rotatably connected to the top of the supporting block (1308), a second spring (1312) is assembled on the outer wall of the rotating plate (1310), and a connecting rope (1307) is assembled on the outer wall of the rotating plate (1310).
  4. 4. The device for dynamically monitoring pesticide residue on the surface of fruits according to claim 2, wherein the rotating disc (1201) is rotatably connected with the top of the connecting block (11), and the compression block (1207) is slidably connected with the inner wall of the placing groove (1204).
  5. 5. A dynamic monitoring device for pesticide residue on fruit surface according to claim 3, wherein the fixed block (1301) is assembled with the outer wall of the sliding block (10), and the supporting block (1308) is assembled with the outer wall of the supporting plate (6).
  6. 6. A dynamic monitoring device for pesticide residue on the surface of fruits according to claim 3, wherein the connecting rope (1307) is fixedly connected with the pushing plate (1306), and the second spring (1312) is assembled with the outer wall of the supporting plate (6).
  7. 7. The device for dynamically monitoring pesticide residue on the surface of fruits according to claim 2, wherein the infrared monitoring device (17) is electrically connected with the first motor (8) and the second motor (14) respectively, and the control button (1208) is electrically connected with the mechanical clamping jaw (1203) and the mechanical arm (1202) respectively.
  8. 8. A dynamic monitoring device for pesticide residue on the surface of fruits according to claim 3, wherein the connecting rope (1307) is made of rubber, and the rotating column (1305) is rotatably connected with the outer wall of the supporting plate (6).
  9. 9. The dynamic monitoring device for pesticide residues on the surfaces of fruits according to claim 1, wherein the number of the supporting frames (7), the first motor (8), the screw rod (9), the sliding block (10), the connecting block (11), the clamping component (12), the light supplementing component (13) and the infrared monitoring device (17) is two, and the two supporting frames (7), the first motor (8), the screw rod (9), the sliding block (10), the connecting block (11), the clamping component (12), the light supplementing component (13) and the infrared monitoring device (17) are respectively positioned on two sides of the supporting plate (6).
  10. 10. A dynamic monitoring method for pesticide residue on the surface of a fruit is characterized by comprising the following steps: The method comprises the steps that S1, a power output shaft of a motor II (14) drives a transmission shaft (15) to rotate, the transmission shaft (15) further drives a transmission belt (16) to rotate when rotating, the transmission belt (16) drives a sample to move, when an infrared monitoring device (17) detects the sample, signals are sent to the motor II (14) and a motor I (8), the motor II (14) stops working after receiving the signals, a power output shaft of the motor I (8) drives a screw rod (9) to rotate, the screw rod (9) drives a sliding block (10) to rotate when rotating, and the sliding block (10) drives a connecting block (11) and a clamping assembly (12) to move downwards, so that the height of the clamping assembly (12) is adjusted; S2, a rotating disc (1201) rotates and drives a mechanical arm (1202) to rotate, so that the distance between mechanical clamping jaws (1203) is adjusted, the mechanical clamping jaws (1203) clamp a sample on the top of a conveying belt (16), a pressed block (1207) can press the sample in the clamping process, the pressed block (1207) moves towards the inside of a placing groove (1204) and presses a first spring (1206), the first spring (1206) transmits pressure to the inside of a pressure detection device (1205), the pressure detection device (1205) adjusts the clamping force of the mechanical clamping jaws (1203) according to the pressure, the sample is prevented from being damaged during clamping, in addition, if the mechanical clamping jaws (1203) clamp the sample, a pressed block (1207) directly touches a control button (1208), and the control button (1208) can immediately send signals to the mechanical arm (1202) and the mechanical clamping jaws (1203) to stop operation; S3, the method from single-point static detection to whole-process dynamic monitoring is jumped, the application range of an imaging spectrometer (4) and a camera (5) is extended from the traditional quality grading or safety screening to the deep field of pesticide residue digestion dynamics research, a strict time sequence sampling flow is designed, a chemometric model is utilized to process serialized spectrum data, and finally visual key dynamic parameters such as a pesticide residue dynamic dissipation curve and half life are output, a direct and quantitative decision basis is provided for making pesticide safety use specifications, meanwhile, the automation level and the result repeatability of detection are improved, the whole data acquisition flow is controlled by a main control and processing computer (2), the precise synchronization of actions such as camera (5) exposure and sample stage movement is realized, the random errors introduced by manual operation are eliminated to the maximum extent, the consistency of detection conditions of different batches and different time points is ensured, and the possibility is provided for large sample statistical analysis and standardization application; S4, when the sliding block (10) moves upwards, the fixed block (1301) is driven to move upwards, in the process of moving upwards, the transmission plate (1302), the connecting plate (1303) and the pressing plate (1304) are driven to extrude the rotating column (1305), the extruded rotating column (1305) rotates on the outer wall of the supporting plate (6), the pushing plate (1306) is driven to rotate downwards when the rotating column (1305) rotates, the connecting rope (1307) is pulled when the pushing plate (1306) rotates, the connecting rope (1307) is pulled to further pull the rotating plate (1310) and the rotating rod (1309) to rotate on the top of the supporting block (1308), and the light supplementing plate (1311) is driven to rotate when the rotating plate (1310) rotates, so that the light supplementing plate (1311) is arranged at the forty-five-degree angle position of the sample to supplement light to the sample.

Description

Dynamic monitoring device and method for pesticide residue on surface of fruit Technical Field The invention relates to the technical field of agricultural product quality safety nondestructive detection, in particular to a device and a method for dynamically monitoring pesticide residue on the surface of a fruit. Background Pesticide residue is a key risk factor affecting the edible safety of fruits and vegetables, grasps the dynamic dissipation rule of pesticides on the surfaces of crops, and has great significance in formulating scientific safe harvesting interval and guaranteeing the safety of agricultural products. When the existing equipment is used, although the residual pesticide liquid on the surface of agricultural products can be detected, the traditional equipment cannot control the clamping force when clamping fruits, so that the clamping device damages the fruits, the damaged sample cannot be used for a long-term tracking experiment due to the integrity, the spectrum characteristics of the damaged part can change, the detection accuracy is interfered, the detection standard can be reduced due to the difference of light when the fruits are detected, the deviation can occur when the fruits are detected, the equipment cannot be made to effectively detect the fruits, and meanwhile, the liquid pesticide on the surfaces of the fruits cannot be comprehensively detected, so that the dynamic monitoring device and the method for the residual pesticide liquid on the surfaces of the fruits are provided. Disclosure of Invention The invention provides the packaging equipment and the method for the dangerous chemicals, which have the advantages of good clamping effect, supplementing light and comprehensively detecting the liquid medicine on the surface of the fruits, and solve the problems of the background technology. The invention provides a dynamic monitoring device for pesticide residues on the surfaces of fruits, which comprises a camera bellows, wherein a main control and processing computer, a supporting table, a supporting plate and a supporting frame are arranged on the inner wall of the camera bellows, an imaging spectrometer is arranged at the top of the supporting table, a camera is arranged on the outer wall of the imaging spectrometer, a motor II is arranged on the outer wall of the supporting plate, a transmission shaft is arranged on the power output shaft of the motor II, a transmission belt is rotatably connected to the outer wall of the transmission shaft, a motor I is arranged on the top of the supporting frame, a screw rod is arranged on the power output shaft of the motor I, a sliding block is in threaded connection with the outer wall of the screw rod, a light supplementing component is arranged on the outer wall of the sliding block, a connecting block is arranged on the outer wall of the sliding block, a clamping component is arranged at the top of the connecting block, and an infrared monitoring device is arranged inside the connecting block. As a preferable technical scheme, the clamping assembly comprises a rotating disc, one end of a mechanical arm is assembled at the top of the rotating disc, the other end of the mechanical arm is rotatably connected with a mechanical clamping jaw, a placing groove is formed in the mechanical clamping jaw, a pressure detection device is assembled in the placing groove, a first spring and a control button are respectively assembled at the top of the pressure detection device, a pressed block is assembled at one end, far away from the pressure detection device, of the first spring, and an anti-slip layer is assembled on the outer wall of the pressed block. As a preferable technical scheme of the invention, the light supplementing assembly comprises a fixed block, wherein one end of a transmission plate is rotationally connected to the inside of the fixed block, a connecting plate is rotationally connected to the outer wall of the other end of the transmission plate, a pressing plate is rotationally connected to the outer wall of the connecting plate, a rotating column is rotationally connected to the inside of the pressing plate, a pushing plate is assembled on the outer wall of the rotating column, a supporting block is arranged on the outside of the pushing plate, a rotating rod is rotationally connected to the top of the supporting block, a rotating plate is rotationally connected to the outer wall of the rotating rod, a spring II is assembled on the outer wall of the rotating plate, and a connecting rope is assembled on the outer wall of the rotating plate. As a preferable technical scheme of the invention, the rotating disc is rotationally connected with the top of the connecting block, and the pressed block is slidingly connected with the inner wall of the placing groove. As a preferable technical scheme of the invention, the fixed block is assembled with the outer wall of the sliding block, and the supporting block is assembled with the out