An apparatus and method for detecting distribution density of alfalfa aphids

Abstract

The application discloses an alfalfa aphid distribution density detection equipment and method, and relates to the technical field of plant protection. The equipment comprises a mobile trolley, a support table is fixedly connected to the top of the mobile trolley, and a first motor is fixedly connected to the upper position of the surface of the support table. The alfalfa aphid distribution density detection equipment and method can rotate the cover to cover the root position of the alfalfa plant, so that the branches and leaves of the alfalfa plant can be in the sealed space between the tank body and the open-close cover. The aphid-killing agent is atomized and sprayed into the tank body through the connecting pipe. After the aphids are killed, the aphids are easy to fall off from the surface of the plant. The opening and closing machine drives the screw rod to rotate and move downward. The driving assembly is driven to move downward. The beating assembly beats the branches and leaves of the alfalfa plant. The aphids fall to the uniform mechanism, so that the aphid density on the surface of the alfalfa plant can be detected, and the problem of how to detect the aphid density on the surface of the alfalfa plant is solved.

Description

Technical Field

[0001] This invention relates to the field of plant protection technology, specifically to a device and method for detecting the distribution density of alfalfa aphids. Background Technology

[0002] Aphids are explosive pests, primarily causing damage during the young stages of alfalfa plants, often clustering on tender stems, buds, and flowers. Visual detectors mainly use image processing and deep learning techniques to automatically identify and classify crop pest images, thereby detecting insect density. This method boasts a high degree of automation and recognition accuracy, can handle large-scale datasets, and is suitable for monitoring insect density in large areas of farmland. However, the detection effectiveness and applicability of visual detectors are limited: the recognition results may be affected by factors such as lighting and angle, leading to instability in the detection results. Chinese Patent Publication No. CN221429980U discloses an "Alfalfa Aphid Image Acquisition Device". This patent uses a setup of a shooting box, an outer mesh surface, a drive shaft, a chain, and a yellow plate body. The yellow plate body can attract alfalfa aphids. The alfalfa aphids enter the shooting box through the outer mesh surface and are attracted to the yellow plate body. When the drive shaft rotates, the chain drives the drive shaft and the sprocket on the driven shaft to rotate, thereby causing the driven shaft to rotate. Due to the overlapping relationship between the yellow plate body and the driven shaft, the movement of the yellow plate body can be driven, so that when the alfalfa aphids enter from the outer mesh surface and are adhered to the yellow plate body, the insects can be evenly distributed on the yellow plate body.

[0003] Existing alfalfa aphid distribution density detection equipment and methods have structural design flaws, which present problems in how to detect the density of aphids on the surface of alfalfa plants and how to make the recognition results of visual detectors more accurate. Summary of the Invention

[0004] This invention provides an alfalfa aphid distribution density detection device and method, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an alfalfa aphid distribution density detection device, comprising a mobile trolley, a support fixedly connected to the top of the mobile trolley, a first motor fixedly connected to the upper surface of the support, a tank fixedly connected to the output end of the first motor, and a lead screw slide fixedly connected to the upper surface of the tank, further comprising:

[0006] An aphid collection mechanism is fixedly installed at the output end of a screw slide table. A connecting pipe is fixedly connected to the top of the aphid collection mechanism, and a rotating cover is rotatably connected to the top of the aphid collection mechanism. The aphid collection mechanism is used to open and close the top opening of the tank and to separate aphids from the surface of alfalfa.

[0007] A uniform distribution mechanism is fixedly installed on the lower side of the inner side of the tank. The uniform distribution mechanism is used to collect and receive aphids that fall off the surface of alfalfa and to distribute multiple aphids evenly.

[0008] The aphid collection mechanism includes a hydraulic cylinder, which is fixedly installed at the output end of a lead screw slide. An opening and closing cover is fixedly connected to the output end of the hydraulic cylinder. A hoisting and closing mechanism is fixedly connected to the top of the opening and closing cover. A screw is threadedly connected to the output end of the hoisting and closing mechanism. A drive assembly is rotatably connected to the bottom end of the screw. A flapping assembly is fixedly connected to the surface of the drive assembly.

[0009] Preferably, a rubber plate is fixedly connected to the inner side of the opening and closing cover, and a slit is opened in the middle of the surface of the rubber plate. A bearing is fixedly connected between the inner side of the drive assembly and the bottom end of the screw. A telescopic rod is fixedly connected between the output end of the screw slide and the opening and closing cover. An alfalfa plant is randomly selected, the root of the alfalfa plant is cut off, and it is placed upside down in the position of the opening and closing cover. At this time, the two opening and closing covers are far apart from each other, the screw slide drives the two hydraulic cylinders to move closer to each other, and the rubber plate clamps the root of the alfalfa plant. At this time, the branches and leaves of the alfalfa plant face down and are opposite to the inner side of the tank. The hydraulic cylinder drives the opening and closing cover to move downward.

[0010] Preferably, the drive assembly includes a housing, the bottom of which has an annular hole, and a cylindrical shell is fixedly connected to the middle of the top of the housing. The inner side of the cylindrical shell is connected to the bottom end of the screw via a bearing.

[0011] Preferably, the drive assembly further includes a worm gear, which is rotatably mounted on the inner side of the housing near the edge. A drive motor is fixedly connected to the housing near the worm gear, and the output end of the drive motor is fixedly connected to the end face of the worm gear.

[0012] Preferably, a semi-worm gear is slidably connected to the inner side of the shell, and a rectangular block is fixedly connected to the end face of the semi-worm gear. A rectangular hole is opened at the end of the semi-worm gear away from the rectangular block. The opening and closing cover is controlled to move horizontally by a screw slide to clamp the roots of the alfalfa plant. The opening and closing cover is controlled to move up and down by a hydraulic cylinder to extend the branches and leaves of the alfalfa plant into the interior of the tank. When the opening and closing covers are far apart, the electromagnet is de-energized and the magnetic strip is separated from the electromagnet. When the opening and closing covers are close together, the end faces of the two semi-worm gears are aligned, the electromagnet is energized, and the magnetic strip is tightly attached to the electromagnet by magnetic force.

[0013] Preferably, the tapping assembly includes a fixed body, the top of which is fixedly mounted on the bottom of the semi-worm gear, a second motor is fixedly connected to the surface of the fixed body, and a connecting column is fixedly connected to the output end of the second motor.

[0014] Preferably, the tapping assembly further includes an electromagnet, which is fixedly mounted on the surface of the connecting column, and an arc-shaped plate is fixedly connected to the surface of the connecting column. The arc-shaped plate is made of rubber.

[0015] Preferably, there are two of each of the tapping component and the driving component. A magnetic strip is fixedly connected to the end of the arc-shaped plate away from the connecting column, and a plastic strip is fixedly connected to the inner side of the arc-shaped plate. The telescopic rod provides stable support for the movement of the opening and closing cover. When the opening and closing cover moves away, the two driving components and the tapping component move away from each other. The rubber plate clamps the root position of the alfalfa plant. The screw drives the driving component to move downward, and the tapping component taps the branches and leaves of the alfalfa plant. Aphids fall to the top of the circular cover. The vibration component is driven upward by the telescopic motor to approach the bottom of the circular cover. The circular cover is in a vibrating state, so that the aphids on its top can be evenly distributed.

[0016] Preferably, the uniform mechanism includes a support ring, which is fixedly installed on the lower side of the inner side of the tank. A circular skin is fixedly connected to the surface of the support ring, and the circular skin is made of a light-transmitting fabric.

[0017] Preferably, the uniform mechanism further includes a telescopic motor, which is fixedly installed at the middle of the bottom of the tank. The output end of the telescopic motor is fixedly connected to a vibration component, and an LED light is fixedly connected to the top of the vibration component. The circular skin is made of semi-transparent white latex rubber material. The support ring fixes the edge of the circular skin. The telescopic motor can drive the rectangular shell to move up and down or rotate. When the rectangular shell moves upward, the surface of the sphere contacts the bottom of the circular skin. The vibrator drives the electric rope to vibrate. The vibration of the electric rope causes the sphere to move back and forth on the inner side of the embedded shell. The sphere transmits the vibration of the electric rope to the circular skin, and the aphids collected on the top of the circular skin are evenly dispersed under the vibration.

[0018] Preferably, the vibration assembly includes a connecting cylinder, which is fixedly installed at the output end of the telescopic motor. A rectangular shell is fixedly connected to the surface of the connecting cylinder, and a vibrator is fixedly connected to the inner side of the connecting cylinder.

[0019] Preferably, the vibration assembly further includes an electric rope, the end face of which is fixedly installed at the output end of the vibrator. An embedded spherical shell is fixedly connected to the upper position of the inner side of the rectangular shell. The bottom of the embedded spherical shell has a bottom hole, and the top of the embedded spherical shell has a cross-section. A sphere is provided on the inner side of the embedded spherical shell. Since the aphids have been treated to kill them, they are more likely to detach from the surface of the alfalfa plant. The two half-worm gears are engaged, the rectangular hole is adapted to the rectangular block, the electromagnet is energized and connected to the magnetic strip, and the rubber arc plate beats the branches and leaves of the alfalfa plant under the drive of the second motor. The plastic strip embedded inside the arc plate increases the rigidity of the arc plate, so that the arc plate beats the plant with greater force, while not hindering the bending of the arc plate.

[0020] A method for detecting the distribution density of alfalfa aphids includes the following steps:

[0021] Step 1: Sealing. Randomly select an alfalfa plant, cut off its roots, and place it upside down in the position of the opening and closing lid. At this time, the two opening and closing lids are far apart, and the screw slide drives the two hydraulic cylinders to move closer together. The rubber plate clamps the roots of the alfalfa plant. At this time, the branches and leaves of the alfalfa plant face down and are opposite the inner side of the tank. The hydraulic cylinder drives the opening and closing lid to move downwards, and the rotating lid covers the roots of the alfalfa plant, so that the branches and leaves of the alfalfa plant can be in the sealed space between the tank and the opening and closing lid.

[0022] Step 2: Kill aphids. The aphid-killing agent is atomized and sprayed into the tank through the connecting pipe. After the aphids are killed, they can easily detach from the plant surface. The opening and closing machine drives the screw to rotate and move downward. The bottom end of the screw is connected to the cylindrical shell through the bearing. The rotation and downward movement of the screw is converted into the linear downward movement of the shell. The arc plate taps the branches and leaves of the plant, so that the aphids on the surface of the alfalfa plant can be quickly collected and detected.

[0023] Step 3: Tapping the plant. The two semi-worm gears engage, the rectangular hole matches the rectangular block, the electromagnet is energized and connected to the magnetic strip, and the rubber arc plate taps the branches and leaves of the alfalfa plant under the drive of the second motor. The plastic strip embedded inside the arc plate increases the rigidity of the arc plate. The worm rotates under the drive motor, causing the semi-worm gear to rotate circumferentially on the inner side of the shell. The semi-worm gear drives the tapping assembly to rotate circumferentially, so that the branches and leaves of the alfalfa plant can be tapped evenly, and the aphids fall off more frequently.

[0024] Step 4: Collection and Detection. Aphids fall onto the top of the circular cover. The vibrating component is driven upward by the telescopic motor to approach the bottom of the circular cover. The circular cover vibrates, allowing the aphids on its top to be evenly distributed. After the plant is tapped for a certain period of time, the opening and closing cover moves upward and separates from each other, allowing the alfalfa plant to be removed. Then, the opening and closing cover is reset and joined to the top of the tank. The visual detector is placed in the middle of the top of the opening and closing cover, with the camera of the visual detector facing the top of the circular cover. The illumination of the LED light allows the visual detector to detect and count the aphids.

[0025] This invention provides a device and method for detecting the distribution density of alfalfa aphids. It has the following beneficial effects:

[0026] 1. This alfalfa aphid distribution density detection device and method involves rotating a cover to enclose the roots of the alfalfa plant, ensuring that the leaves and branches are within a sealed space between the tank and the lid. Aphid-killing agent is atomized and sprayed into the tank through a connecting pipe. Once killed, the aphids easily detach from the plant surface. A drive screw rotates and moves downwards, causing the drive assembly to move downwards as well. A tapping component taps the leaves and branches of the alfalfa plant, causing the aphids to fall onto a uniform distribution mechanism. This method effectively detects the aphid density on the alfalfa plant surface, solving the problem of how to detect aphid density on the alfalfa plant surface.

[0027] 2. The alfalfa aphid distribution density detection equipment and method involves a second motor driving a connecting column to rotate reciprocally, causing an arc-shaped plate to swing around the connecting column. The arc-shaped plate reciprocates by tapping the alfalfa plant's branches and leaves. A gate opener drives a screw to rotate and move downwards. The bottom end of the screw is connected to the cylindrical shell through a bearing. The downward rotation of the screw is converted into a linear downward movement of the shell. The arc-shaped plate taps the plant's branches and leaves, allowing aphids on the surface of the alfalfa plant to be quickly collected and detected.

[0028] 3. The alfalfa aphid distribution density detection equipment and method involves the following steps: After the plant is tapped for a certain period of time, the open and closed lids are moved upwards and separated, allowing the alfalfa plant to be removed. Subsequently, the open and closed lids are reset and joined to the top of the tank. A visual detector is placed in the middle of the top of the open and closed lid, with the camera of the visual detector facing the top of the circular lid. The illumination of the LED light enables the visual detector to detect and count aphids, thus solving the problem of how to make the recognition results of the visual detector more accurate.

[0029] 4. In this alfalfa aphid distribution density detection device and method, when the telescopic motor drives the rectangular shell to rotate, the bottom of the circular skin is in uniform contact with the sphere, and the distribution of aphids on the top of the circular skin is more uniform. The surface of the sphere is smooth and there is a certain gap between the spheres, so that when the sphere transmits vibration to the circular skin, it is not easy to break the circular skin, making the visual detector more accurate when collecting visual images for counting.

[0030] 5. The alfalfa aphid distribution density detection device and method utilizes a worm gear driven by a drive motor to rotate, causing a semi-worm wheel to rotate circumferentially on the inner side of the housing. The semi-worm wheel drives the entire beating assembly to rotate circumferentially, ensuring that the branches and leaves of the alfalfa plant are evenly beaten, resulting in a higher aphid drop rate. The aphids fall onto the top of the circular skin, and due to the fixation of the support ring, the circular skin, which is under tension, supports the aphids in a flat state. Under the transmission of the sphere, the circular skin allows the aphids to be evenly dispersed, resulting in higher detection accuracy of the visual detector. Attached Figure Description

[0031] Figure 1 This is a flowchart of the alfalfa aphid distribution density detection method of the present invention;

[0032] Figure 2 This is a three-dimensional view of the alfalfa aphid distribution density detection device of the present invention;

[0033] Figure 3 This is a three-dimensional view of the interior of the alfalfa aphid distribution density detection device of the present invention;

[0034] Figure 4 This is a schematic diagram of the aphid collection mechanism of the present invention;

[0035] Figure 5 This is a schematic diagram of the top structure of the drive component of the present invention;

[0036] Figure 6 This is a schematic diagram of the bottom structure of the drive component of the present invention;

[0037] Figure 7 This is a schematic diagram of the structure of the tapping component of the present invention;

[0038] Figure 8 This is a schematic diagram of the uniform mechanism of the present invention;

[0039] Figure 9 This is a schematic diagram of the structure of the vibration component of the present invention;

[0040] Figure 10 For the present invention Figure 9 A magnified schematic diagram of the structure of A in the middle.

[0041] In the diagram: 1. Moving trolley; 2. Support platform; 3. First motor; 4. Tank body; 5. Screw slide; 6. Aphid collection mechanism; 61. Hydraulic cylinder; 62. Opening / closing cover; 621. Rubber plate; 63. Telescopic rod; 64. Hoist; 65. Screw; 66. Bearing; 67. Drive assembly; 671. Housing; 672. Circular hole; 673. Cylindrical shell; 674. Worm gear; 675. Semi-worm gear; 676. Rectangular block; 677. Rectangular hole; 68. Beating assembly; 681. Fixed body 682. Second motor; 683. Connecting column; 684. Electromagnet; 685. Arc plate; 686. Plastic strip; 687. Magnetic strip; 7. Connecting tube; 8. Rotating cover; 9. Uniform mechanism; 91. Support ring; 92. Circular leather; 93. Telescopic motor; 94. Vibration assembly; 941. Connecting cylinder; 942. Rectangular shell; 943. Vibrator; 944. Electric rope; 945. Embedded spherical shell; 946. Cross-section; 947. Bottom hole; 948. Sphere; 95. LED light. Detailed Implementation

[0042] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0043] First embodiment: as follows Figures 1-4 As shown, the present invention provides a technical solution: including a mobile trolley 1, a support 2 fixedly connected to the top of the mobile trolley 1, a first motor 3 fixedly connected to the upper position of the surface of the support 2, a tank 4 fixedly connected to the output end of the first motor 3, and a lead screw slide 5 fixedly connected to the upper position of the surface of the tank 4, and further including:

[0044] Aphid collection mechanism 6 is fixedly installed at the output end of the screw slide table 5. A connecting pipe 7 is fixedly connected to the top of the aphid collection mechanism 6. A rotating cover 8 is rotatably connected to the top of the aphid collection mechanism 6. The aphid collection mechanism 6 is used to open and close the top opening of the tank 4 and to separate aphids from the surface of alfalfa.

[0045] The uniformity mechanism 9 is fixedly installed on the lower part of the inner side of the tank 4. The uniformity mechanism 9 is used to collect and receive aphids falling off the alfalfa surface and to make multiple aphids evenly distributed.

[0046] The aphid collection mechanism 6 includes a hydraulic cylinder 61, which is fixedly installed at the output end of the screw slide table 5. The output end of the hydraulic cylinder 61 is fixedly connected to an opening and closing cover 62. The top of the opening and closing cover 62 is fixedly connected to a hoisting and closing mechanism 64. The output end of the hoisting and closing mechanism 64 is connected to a screw 65 by a thread. The bottom end of the screw 65 is rotatably connected to a drive assembly 67. The surface of the drive assembly 67 is fixedly connected to a flapping assembly 68.

[0047] A rubber plate 621 is fixedly connected to the inner side of the opening and closing cover 62. A cut is made in the middle of the surface of the rubber plate 621. A bearing 66 is fixedly connected between the inner side of the drive assembly 67 and the bottom end of the screw 65. A telescopic rod 63 is fixedly connected between the output end of the lead screw slide 5 and the opening and closing cover 62.

[0048] In use, a single alfalfa plant is randomly selected. After cutting off the roots, the plant is placed upside down in the position of the two opening / closing covers 62. At this point, the two opening / closing covers 62 are far apart. The screw slide 5 drives the two hydraulic cylinders 61 to move closer together, and the rubber plate 621 clamps the roots of the alfalfa plant. The branches and leaves of the alfalfa plant are now facing downwards, opposite the inner side of the tank 4. The hydraulic cylinders 61 drive the opening / closing covers 62 downwards, and the rotating cover 8 covers the roots of the alfalfa plant, ensuring that the branches and leaves are within the tank. In the sealed space between the body 4 and the opening / closing cover 62, the aphid-killing agent is sprayed into the tank 4 through the connecting pipe 7. After the aphids are killed, they easily detach from the plant surface. The opening / closing mechanism 64 drives the screw 65 to rotate and move downward. The drive component 67 is driven to move downward. The beating component 68 beats the branches and leaves of the alfalfa plant, and the aphids fall to the uniform mechanism 9, thereby detecting the aphid density on the surface of the alfalfa plant. This solves the problem of how to detect the aphid density on the surface of alfalfa plants.

[0049] Second embodiment: as follows Figures 4-7 As shown, the drive assembly 67 includes a housing 671, with an annular hole 672 at the bottom of the housing 671. A cylindrical shell 673 is fixedly connected to the middle of the top of the housing 671. The inner side of the cylindrical shell 673 is connected to the bottom end of the screw 65 via a bearing 66. The drive assembly 67 also includes a worm gear 674, which is rotatably mounted on the inner side of the housing 671 near the edge. A drive motor is fixedly connected to the housing 671 near the worm gear 674. The output end of the drive motor is fixedly connected to the end face of the worm gear 674. A semi-worm wheel 675 is slidably connected to the inner side of the housing 671. A rectangular block 676 is fixedly connected to the end face of the semi-worm wheel 675. A rectangular hole 677 is opened at the end of the semi-worm wheel 675 away from the rectangular block 676.

[0050] The tapping assembly 68 includes a fixed body 681, the top of which is fixedly mounted on the bottom of the semi-worm gear 675. A second motor 682 is fixedly connected to the surface of the fixed body 681, and a connecting post 683 is fixedly connected to the output end of the second motor 682. The tapping assembly 68 also includes an electromagnet 684, which is fixedly mounted on the surface of the connecting post 683. An arc-shaped plate 685, made of rubber, is fixedly connected to the surface of the connecting post 683. Both the tapping assembly 68 and the drive assembly 67 are provided in twos. A magnetic strip 687 is fixedly connected to the end of the arc-shaped plate 685 away from the connecting post 683, and a plastic strip 686 is fixedly connected to the inner side of the arc-shaped plate 685.

[0051] In use, the opening and closing cover 62 moves horizontally controlled by the screw slide 5 to clamp the roots of the alfalfa plant. The opening and closing cover 62 moves vertically controlled by the hydraulic cylinder 61 to extend the alfalfa plant branches and leaves into the tank 4. When the opening and closing covers 62 are far apart, the electromagnet 684 is de-energized, and the magnetic strip 687 is separated from the electromagnet 684. When the opening and closing covers 62 are close together, the end faces of the two semi-worm gears 675 are aligned, the electromagnet 684 is energized, and the magnetic strip 687 is tightly attached to the electromagnet 684 by magnetic force. When the second motor 682 drives the connecting column 683 to rotate reciprocally, the arc plate 685 is driven to swing around the connecting column 683. The arc plate 685 reciprocates to beat the branches and leaves of the alfalfa plant. The gate opener 64 drives the screw 65 to rotate and move downward. The bottom end of the screw 65 is connected to the cylindrical shell 673 through the bearing 66. The rotation and downward movement of the screw 65 is converted into the linear downward movement of the shell 671. The arc plate 685 beats the branches and leaves of the plant, so that aphids on the surface of the alfalfa plant can be quickly collected and detected.

[0052] Third embodiment: as follows Figure 4 , Figure 8 As shown, the hydraulic cylinder 61 is fixedly installed at the output end of the screw slide table 5. The output end of the hydraulic cylinder 61 is fixedly connected to the opening and closing cover 62. The top of the opening and closing cover 62 is fixedly connected to the hoist 64. The output end of the hoist 64 is connected to the screw 65 by a thread. The bottom end of the screw 65 is rotatably connected to the drive assembly 67. The surface of the drive assembly 67 is fixedly connected to the beater assembly 68.

[0053] A rubber plate 621 is fixedly connected to the inner side of the opening and closing cover 62. A cut is made in the middle of the surface of the rubber plate 621. A bearing 66 is fixedly connected between the inner side of the drive assembly 67 and the bottom end of the screw 65. A telescopic rod 63 is fixedly connected between the output end of the lead screw slide table 5 and the opening and closing cover 62.

[0054] The homogenizing mechanism 9 includes a support ring 91, which is fixedly installed on the lower part of the inner side of the tank body 4. A circular leather 92 is fixedly connected to the surface of the support ring 91. The circular leather 92 is made of light-transmitting fabric. The homogenizing mechanism 9 also includes a telescopic motor 93, which is fixedly installed in the middle of the bottom of the tank body 4. A vibration component 94 is fixedly connected to the output end of the telescopic motor 93. An LED light 95 is fixedly connected to the top of the vibration component 94.

[0055] In use, the telescopic rod 63 provides stable support for the movement of the opening and closing cover 62. When the opening and closing cover 62 moves away, the two drive components 67 and the tapping component 68 move away from each other, the rubber plate 621 clamps the root position of the alfalfa plant, the screw 65 drives the drive component 67 to move downward, and the tapping component 68 taps the branches and leaves of the alfalfa plant. Aphids fall to the top of the circular cover 92. The vibration component 94 is driven upward by the telescopic motor 93 to approach the bottom of the circular cover 92. The circular cover 92 is in a vibrating state, so that the aphids on its top can be evenly distributed. After the plant is tapped for a certain period of time, the opening and closing cover 62 moves upward and separates from each other, and the alfalfa plant is taken out. Then the opening and closing cover 62 is reset and engaged with the top of the tank body 4. The vision detector is placed in the middle of the top of the opening and closing cover 62. The camera of the vision detector is facing the top of the circular cover 92. The illumination of the LED light 95 enables the vision detector to detect and count aphids, solving the problem of how to make the recognition results of the vision detector more accurate.

[0056] Fourth embodiment: as Figure 8 , Figure 9 , Figure 10 As shown, the vibration assembly 94 includes a connecting cylinder 941, which is fixedly installed at the output end of the telescopic motor 93. A rectangular shell 942 is fixedly connected to the surface of the visual detector of the connecting cylinder 941. A vibrator 943 is fixedly connected to the inner side of the connecting cylinder 941. The vibration assembly 94 also includes an electric rope 944, the end face of which is fixedly installed at the output end of the vibrator 943. An embedded spherical shell 945 is fixedly connected to the upper position of the inner side of the rectangular shell 942. The bottom of the embedded spherical shell 945 has a bottom hole 947, the top of the embedded spherical shell 945 has a cross-sectional surface 946, and a sphere 948 is provided on the inner side of the embedded spherical shell 945.

[0057] In use, the circular skin 92 is made of semi-transparent white latex rubber material. The support ring 91 fixes the edge of the circular skin 92. The telescopic motor 93 can drive the rectangular shell 942 to move up and down or rotate. When the rectangular shell 942 moves upward, the surface of the sphere 948 contacts the bottom of the circular skin 92. The vibrator 943 drives the electric rope 944 to vibrate. The vibration of the electric rope 944 causes the sphere 948 to reciprocate within the inner surface of the embedded spherical shell 945. The sphere 948 transmits the vibration of the electric rope 944 to the circular skin 92. The top of the circular skin 92... The collected aphids are evenly dispersed under vibration. When the telescopic motor 93 drives the rectangular shell 942 to rotate, the bottom of the circular skin 92 is in even contact with the sphere 948, and the distribution of aphids on the top of the circular skin 92 is more even. The surface of the sphere 948 is smooth and there is a certain gap between the spheres 948, so that when the sphere 948 transmits vibration to the circular skin 92, it is not easy for the circular skin 92 to break. After the counting is completed, the first motor 3 drives the tank 4 to rotate as a whole to clean the inner wall, so that the visual detector can collect visual images for counting more accurately.

[0058] Fifth embodiment: as follows Figure 5 , Figure 6 , Figure 9 As shown, the bottom of the housing 671 has an annular hole 672. A cylindrical shell 673 is fixedly connected to the middle of the top of the housing 671. The inner side of the cylindrical shell 673 is connected to the bottom of the screw 65 through a bearing 66. The drive assembly 67 also includes a worm 674. The worm 674 is rotatably mounted on the inner side of the housing 671 near the edge. A drive motor is fixedly connected to the housing 671 near the worm 674. The output end of the drive motor is fixedly connected to the end face of the worm 674. A half-worm wheel 675 is slidably connected to the inner side of the housing 671. A rectangular block 676 is fixedly connected to the end face of the half-worm wheel 675. A rectangular hole 677 is opened at the end of the half-worm wheel 675 away from the rectangular block 676.

[0059] The connecting cylinder 941 is fixedly installed at the output end of the telescopic motor 93. A rectangular shell 942 is fixedly connected to the surface of the connecting cylinder 941. A vibrator 943 is fixedly connected to the inner side of the connecting cylinder 941. The vibration assembly 94 also includes an electric rope 944. The end face of the electric rope 944 is fixedly installed at the output end of the vibrator 943. An embedded spherical shell 945 is fixedly connected to the upper position of the inner side of the rectangular shell 942. A bottom hole 947 is opened at the bottom of the embedded spherical shell 945. A cross-sectional surface 946 is opened at the top of the embedded spherical shell 945. A sphere 948 is provided on the inner side of the embedded spherical shell 945.

[0060] In use, since the aphids have been treated to kill them, they are more easily detached from the alfalfa plant surface. The two semi-worm gears 675 engage, the rectangular hole 677 matches the rectangular block 676, and the electromagnet 684, when energized, attracts and connects with the magnetic strip 687. Driven by the second motor 682, the rubber-coated curved plate 685 taps the alfalfa plant's branches and leaves. The plastic strip 686 embedded inside the curved plate 685 increases its rigidity, allowing for a stronger tapping force without hindering its operation. The worm gear 674 rotates under the drive of the motor, causing the semi-worm wheel 675 to rotate circumferentially on the inner side of the housing 671. The semi-worm wheel 675 drives the entire beating assembly 68 to rotate circumferentially, so that the branches and leaves of the alfalfa plant can be evenly beaten, resulting in a higher aphid drop rate. The aphids fall onto the top of the circular skin 92. Due to the fixation of the support ring 91, the circular skin 92, which is under tension, is in a flat state when supporting the aphids. Under the transmission of the sphere 948, the circular skin 92 can evenly disperse the aphids, resulting in higher detection accuracy of the visual detector.

[0061] Sixth embodiment: as follows Figures 1-9 As shown, a method for detecting the distribution density of alfalfa aphids includes the following steps:

[0062] Step 1: Sealing. Randomly select an alfalfa plant, cut off the roots, and place it upside down in the position of the opening and closing cover 62. At this time, the two opening and closing covers 62 are far apart from each other. The screw slide 5 drives the two hydraulic cylinders 61 to move closer to each other. The rubber plate 621 clamps the roots of the alfalfa plant. At this time, the branches and leaves of the alfalfa plant face down and are opposite the inner side of the tank 4. The hydraulic cylinder 61 drives the opening and closing cover 62 to move downward. The rotating cover 8 covers the roots of the alfalfa plant, so that the branches and leaves of the alfalfa plant can be in the sealed space between the tank 4 and the opening and closing cover 62.

[0063] Step 2: Kill aphids. The aphid-killing agent is sprayed into the tank 4 through the connecting pipe 7. After the aphids are killed, they can easily detach from the plant surface. The opening and closing machine 64 drives the screw 65 to rotate and move downward. The bottom end of the screw 65 is connected to the cylindrical shell 673 through the bearing 66. The rotation and downward movement of the screw 65 is converted into the linear downward movement of the shell 671. The arc plate 685 taps the branches and leaves of the plant, so that the aphids on the surface of the alfalfa plant can be quickly collected and detected.

[0064] Step 3: Tapping the plant. The two semi-worm gears 675 engage, the rectangular hole 677 matches the rectangular block 676, the electromagnet 684 is energized and attracts the magnetic strip 687, and the rubber arc plate 685 taps the branches and leaves of the alfalfa plant under the drive of the second motor 682. The plastic strip 686 embedded inside the arc plate 685 increases the rigidity of the arc plate 685. The worm 674 rotates under the drive of the drive motor, so that the semi-worm gears 675 rotate circumferentially on the inner side of the housing 671. The semi-worm gears 675 drive the tapping assembly 68 to rotate circumferentially as a whole, so that the branches and leaves of the alfalfa plant can be tapped evenly, and the aphids fall off more frequently.

[0065] Step 4: Collection and Detection. Aphids fall onto the top of the circular skin 92. The vibration component 94 is driven upward by the telescopic motor 93 to approach the bottom of the circular skin 92. The circular skin 92 is in a vibrating state, so that the aphids on its top can be evenly distributed. After the plant is tapped for a certain period of time, the opening and closing cover 62 moves upward and separates from each other, and the alfalfa plant is taken out. Then the opening and closing cover 62 is reset and joined to the top of the tank 4. The visual detector is placed in the middle of the top of the opening and closing cover 62, with the camera of the visual detector facing the top of the circular skin 92. The illumination of the LED light 95 enables the visual detector to detect and count the aphids.

[0066] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. An alfalfa aphid distribution density detection device, comprising a mobile cart (1), characterized in that, The mobile trolley (1) is fixedly connected to a support platform (2) on its top. A first motor (3) is fixedly connected to the upper part of the surface of the support platform (2). A tank (4) is fixedly connected to the output end of the first motor (3). A lead screw slide (5) is fixedly connected to the upper part of the surface of the tank (4). The trolley also includes: Aphid collection mechanism (6) is fixedly installed at the output end of the screw slide (5). A connecting pipe (7) is fixedly connected to the top of the aphid collection mechanism (6). A rotating cover (8) is rotatably connected to the top of the aphid collection mechanism (6). The aphid collection mechanism (6) is used to open and close the top opening of the tank (4) and to separate aphids from the surface of alfalfa. The uniform mechanism (9) is fixedly installed on the lower part of the inner side of the tank (4). The uniform mechanism (9) is used to collect and receive aphids falling off the alfalfa surface and to distribute multiple aphids evenly. The aphid collection mechanism (6) includes a hydraulic cylinder (61), which is fixedly installed at the output end of the screw slide (5). The output end of the hydraulic cylinder (61) is fixedly connected to an opening and closing cover (62). The top of the opening and closing cover (62) is fixedly connected to a hoisting and closing mechanism (64). The output end of the hoisting and closing mechanism (64) is connected to a screw (65) by a thread. The bottom end of the screw (65) is rotatably connected to a drive assembly (67). The surface of the drive assembly (67) is fixedly connected to a beating assembly (68). The tapping assembly (68) includes a fixed body (681), a second motor (682) is fixedly connected to the surface of the fixed body (681), and a connecting column (683) is fixedly connected to the output end of the second motor (682). The tapping assembly (68) also includes an electromagnet (684), which is fixedly installed on the surface of the connecting column (683). An arc plate (685) is fixedly connected to the surface of the connecting column (683), and the arc plate (685) is made of rubber. The number of the tapping component (68) and the driving component (67) are both provided in two. A magnetic strip (687) is fixedly connected to one end of the arc plate (685) away from the connecting post (683), and a plastic strip (686) is fixedly connected to the inner side of the arc plate (685).

2. The alfalfa aphid distribution density detection device according to claim 1, characterized in that: A rubber plate (621) is fixedly connected to the inner side of the opening and closing cover (62). A cut is provided in the middle of the surface of the rubber plate (621). A bearing (66) is fixedly connected between the inner side of the drive assembly (67) and the bottom end of the screw (65). A telescopic rod (63) is fixedly connected between the output end of the lead screw slide (5) and the opening and closing cover (62).

3. The alfalfa aphid distribution density detection device according to claim 2, characterized in that: The drive assembly (67) includes a housing (671), the bottom of which has an annular hole (672), and a cylindrical shell (673) is fixedly connected to the middle of the top of the housing (671). The inner side of the cylindrical shell (673) is connected to the bottom of the screw (65) by a bearing (66).

4. The alfalfa aphid distribution density detection device according to claim 3, characterized in that: The drive assembly (67) also includes a worm gear (674), which is rotatably mounted on the inner side of the housing (671) near the edge. A drive motor is fixedly connected to the housing (671) near the worm gear (674), and the output end of the drive motor is fixedly connected to the end face of the worm gear (674).

5. The alfalfa aphid distribution density detection device according to claim 4, characterized in that: A semi-worm gear (675) is slidably connected to the inner side of the housing (671). A rectangular block (676) is fixedly connected to the end face of the semi-worm gear (675). A rectangular hole (677) is opened at the end of the semi-worm gear (675) away from the rectangular block (676).

6. The alfalfa aphid distribution density detection device according to claim 5, characterized in that: The top of the fixing body (681) is fixedly installed on the bottom of the semi-worm gear (675).

7. The alfalfa aphid distribution density detection device according to claim 6, characterized in that: The uniform mechanism (9) includes a support ring (91), which is fixedly installed on the lower part of the inner side of the tank (4). A circular leather (92) is fixedly connected to the surface of the support ring (91), and the circular leather (92) is made of a light-transmitting fabric. The uniform mechanism (9) also includes a telescopic motor (93), which is fixedly installed at the middle position of the bottom of the tank (4). The output end of the telescopic motor (93) is fixedly connected to a vibration component (94), and the top of the vibration component (94) is fixedly connected to an LED light (95).

8. A detection method using the alfalfa aphid distribution density detection device according to claim 7, characterized in that: Includes the following steps: Step 1: Seal. Randomly select an alfalfa plant, cut off the roots of the alfalfa plant, and place it upside down in the position of the opening and closing cover (62). At this time, the two opening and closing covers (62) are far apart from each other. The screw slide (5) drives the two hydraulic cylinders (61) to move closer to each other. The rubber plate (621) clamps the roots of the alfalfa plant. At this time, the branches and leaves of the alfalfa plant face down and are opposite to the inner side of the tank (4). The hydraulic cylinder (61) drives the opening and closing cover (62) to move downward. The rotating cover (8) covers the root position of the alfalfa plant, so that the branches and leaves of the alfalfa plant can be in the sealed space between the tank (4) and the opening and closing cover (62). Step 2: Kill aphids. The aphid-killing agent is sprayed into the tank (4) through the connecting pipe (7). After the aphids are killed, they can easily detach from the plant surface. The opening and closing machine (64) drives the screw (65) to rotate and move downward. The bottom end of the screw (65) is connected to the cylindrical shell (673) through the bearing (66). The rotation and downward movement of the screw (65) is converted into the linear downward movement of the shell (671). The arc plate (685) beats the branches and leaves of the plant, so that the aphids on the surface of the alfalfa plant can be quickly collected and detected. Step 3: Patting the plant. The two semi-worm gears (675) are engaged, the rectangular hole (677) is matched with the rectangular block (676), the electromagnet (684) is energized and attracted to the magnetic strip (687), the rubber arc plate (685) is driven by the second motor (682) to pat the branches and leaves of the alfalfa plant. The plastic strip (686) embedded inside the arc plate (685) increases the rigidity of the arc plate (685). The worm (674) rotates under the drive of the drive motor, so that the semi-worm gear (675) rotates circumferentially on the inner side of the shell (671). The semi-worm gear (675) drives the patting component (68) to rotate circumferentially as a whole, so that the branches and leaves of the alfalfa plant can be patted evenly, and the aphids fall off more frequently. Step 4: Collection and detection. Aphids fall to the top of the circular skin (92). The vibration component (94) is driven upward by the telescopic motor (93) to approach the bottom of the circular skin (92). The circular skin (92) is in a vibrating state, so that the aphids on its top can be evenly distributed. After the plant is patted for a certain period of time, the opening and closing cover (62) moves upward and separates from each other. The alfalfa plant is taken out. Then the opening and closing cover (62) is reset and joined to the top of the tank (4). The visual detector is placed in the middle of the top of the opening and closing cover (62). The camera of the visual detector is facing the top of the circular skin (92). The illumination of the LED light (95) enables the visual detector to detect and count the aphids.

Images