Plant leaf dust removal device

By designing a plant leaf dust removal device, using a jet mechanism to blow dust off the leaves of desert greenhouse plants from multiple directions, the problems of low photosynthesis efficiency and reduced growth rate caused by dust coverage are solved, and efficient dust removal and growth improvement are achieved.

CN223145483UActive Publication Date: 2025-07-25INST OF URBAN AGRI CHINESE ACADEMY OF AGRI SCI
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Patent Information

Application Number
CN202422256120.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-07-25
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The dust-covered plant leaves in desert greenhouses lead to reduced photosynthesis efficiency, growth rate and yield, and increase the risk of disease.

Method used

A plant leaf dust removal device is designed, including a robot cart, support frame, telescopic part, jet mechanism and air supply mechanism, and dust is removed through jet mechanism, and dust is blown from different directions using jet parts.

Benefits of technology

It effectively improves the photosynthesis efficiency of greenhouse plants, improves growth rate and yield, and reduces disease risk.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of desert greenhouse plant dust removal equipment, in particular to a plant leaf dust removal device. The utility model provides a plant leaf dust removal device. The plant leaf dust removal device comprises a robot trolley, a supporting frame, a telescopic piece, an air injection mechanism and an air supply mechanism. The supporting frame is installed on the robot trolley and extends in the first direction, a lifting mechanism is installed in the supporting frame, the telescopic part is installed on the lifting mechanism and can stretch out and draw back in the second direction, and the lifting mechanism is used for driving the telescopic part to move in the first direction. And the air injection mechanism is mounted on the telescopic piece. The plant leaf dust removal device can effectively remove dust from greenhouse plant leaves, is high in dust removal efficiency, prevents a large amount of dust from covering the plant leaves, ensures the photosynthesis efficiency of greenhouse plants, and improves the growth speed and yield of the greenhouse plants.
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Description

Technical Field

[0001] The utility model relates to the technical field of dust removal equipment for desert greenhouse plants, and particularly relates to a plant leaf dust removal device. Background Technique

[0002] Desert greenhouse vegetable cultivation is of great significance in solving global food security problems, promoting sustainable agricultural development, and improving the economic situation in arid regions. The desert area has vast land and abundant sunlight, but extremely scarce water resources. By building desert greenhouses, advanced solar energy and seawater desalination technologies can be used to transform these barren lands into efficient agricultural production bases, thus providing new growth points for global food production. However, there is a large amount of dust in desert areas in general, which poses serious challenges to vegetable cultivation in greenhouses. Dust covering plant leaves will block sunlight, reduce the photosynthesis efficiency, and thus affect the growth rate and yield of plants. Secondly, dust will block the stomata on plant leaves, hinder gas exchange and transpiration, and affect the respiration and nutrient transport of plants. More seriously, dust provides an ideal living environment for pathogens, increases the risk of plant diseases, and also affects the temperature regulation ability of leaves, resulting in an increase in the surface temperature of leaves and putting plants in a heat stress state.

[0003] In view of the multiple adverse effects of dust on plant growth, the development and application of plant leaf dust removal devices are particularly necessary. Content of the Utility Model

[0004] (1) The problem to be solved by the utility model is: At present, there is a lack of a device for removing dust from the leaves of desert greenhouse plants.

[0005] (2) Technical Solution

[0006] A plant leaf dust removal device includes a robot trolley, a support frame, a telescopic member, a jetting mechanism, and a gas supply mechanism; the support frame is installed on the robot trolley and extends along a first direction, a lifting mechanism is installed inside the support frame, the telescopic member is installed on the lifting mechanism, and the telescopic member can telescopically move along a second direction, the lifting mechanism is used to drive the telescopic member to move along the first direction, and the jetting mechanism is installed on the telescopic member;

[0007] The jetting mechanism includes a top plate extending along the second direction, a bidirectional driving mechanism, two first jetting members, and at least one second jetting member. The two first jetting members are arranged along the second direction and extend along the first direction. The bidirectional driving mechanism is used to drive the two first jetting members to approach or move away from each other along the second direction on the top plate. The second jetting member is installed on the top of the top plate and extends along a third direction. The second jetting member is higher than the first jetting member;

[0008] The first direction, the second direction, and the third direction are perpendicular to each other;

[0009] The air supply mechanism is configured to supply air to the first air jetting member and the second air jetting member.

[0010] According to an embodiment of the present invention, the bidirectional driving mechanism includes a bidirectional threaded rod, a second motor, and two moving blocks. The thread directions at both ends of the bidirectional threaded rod are opposite. The bidirectional threaded rod is rotatably installed between the two ends of the top plate along the second direction. The second motor is installed at one end of the top plate, and the output end of the second motor is connected to one end of the bidirectional threaded rod. The two moving blocks are respectively screwed to both ends of the bidirectional threaded rod, and one of the first air jetting members is installed on the lower surface of each moving block.

[0011] According to an embodiment of the present invention, the first air jetting member includes a vertical air pipe and a plurality of first horizontal air pipes. The vertical air pipe is installed on the moving block along the first direction, and the plurality of first horizontal air pipes are arranged along the first direction and installed on the vertical air pipe and extend along the third direction. The vertical air pipe and the first horizontal air pipes are in communication.

[0012] According to an embodiment of the present invention, a plurality of nozzles are sequentially arranged along the length direction of the first horizontal air pipe.

[0013] According to an embodiment of the present invention, for the plant leaf dust removal device according to the claim, the second air jetting member includes at least one second horizontal air pipe. The second horizontal air pipe extends along the third direction, and a plurality of nozzles are arranged along the length direction of the bottom surface of the second horizontal air pipe.

[0014] According to an embodiment of the present invention, the second air jetting member includes two of the second horizontal air pipes, and the two second horizontal air pipes are arranged along the second direction.

[0015] According to an embodiment of the present invention, the air supply mechanism includes an air pump, an air supply main pipe, a first branch pipe, a second branch pipe, and a third branch pipe. Both ends of the second branch pipe are respectively in communication with the two second horizontal air pipes. The air outlet of the air pump is connected to a vertically arranged air outlet pipe. One end of the air supply main pipe is in communication with the air outlet pipe, and the other end is in communication with a circular hole on the side wall of the second branch pipe. One end of the first branch pipe is connected to the side wall of the air supply main pipe, and the other end is in communication with a circular hole on the side wall of one of the vertical air pipes. One end of the third branch pipe is in communication with a circular hole on the side wall of the second branch pipe, and the other end is in communication with a circular hole on the side wall of one of the vertical air pipes.

[0016] According to an embodiment of the present utility model, the main air supply pipe, the first branch pipe, and the third branch pipe are all flexible hoses.

[0017] According to an embodiment of the present utility model, there are two support frames, and the two support frames are symmetrically arranged with respect to the robot trolley.

[0018] According to an embodiment of the present utility model, the lifting mechanism includes a screw rod, a first motor, and a lifting block. An installation groove extending in the first direction is formed on the support frame. The screw rod is rotatably installed in the installation groove. The lifting block is slidably installed in the installation groove and is threadedly connected to the screw rod. The output end of the first motor is connected to one end of the screw rod.

[0019] Advantages of the present utility model:

[0020] The plant leaf dust removal device of the present utility model can effectively remove dust from the leaves of greenhouse plants, with a high dust removal efficiency, avoiding a large amount of dust covering the plant leaves, ensuring the photosynthesis efficiency of greenhouse plants, and improving the growth rate and yield of greenhouse plants. Description of the drawings

[0021] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 It is a structural diagram provided by an embodiment of the present utility model;

[0023] Figure 2 It is a structural diagram of the support frame, the lifting mechanism, the telescopic member, the air jet mechanism, and the air supply mechanism provided by an embodiment of the present utility model;

[0024] Figure 3 It is a structural diagram of the telescopic member, the air jet mechanism, and the air supply mechanism provided by an embodiment of the present utility model.

[0025] Reference numerals: 1, robot trolley; 3, air pump; 301, air outlet pipe; 4, support frame; 401, screw rod; 402, first motor; 403, lifting block; 5, telescopic member; 6, air jet mechanism; 601, top plate; 602, second motor; 603, double-threaded rod; 604, moving block; 605, vertical air jet pipe; 606, first horizontal air jet pipe; 607, second horizontal air jet pipe; 7, main air supply pipe; 701, first branch pipe; 702, second branch pipe; 703, third branch pipe; 8, three-way valve; 9, control box. Detailed implementation mode

[0026] The technical solution of the present utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative work shall fall within the protection scope of the present utility model.

[0027] As Figures 1 - 3 shown, an embodiment of the present utility model provides a plant leaf dust removal device, which includes a robot trolley 1, a support frame 4, a telescopic member 5, a jet mechanism 6 and a gas supply mechanism; the support frame 4 is installed on the robot trolley 1 and extends along the first direction, a lifting mechanism is installed in the support frame 4, the telescopic member 5 is installed on the lifting mechanism, and the telescopic member 5 can be telescoped along the second direction, the lifting mechanism is used to drive the telescopic member 5 to move along the first direction, and the jet mechanism 6 is installed on the telescopic member 5; the jet mechanism 6 includes a top plate 601 extending along the second direction, a bidirectional drive mechanism, two first jet members and at least one second jet member, the two first jet members are arranged along the second direction and extend along the first direction, the bidirectional drive mechanism is used to drive the two first jet members to approach or move away from each other along the second direction on the top plate 601, the second jet member is installed on the top of the top plate 601 and extends along the third direction, and the second jet member is higher than the first jet member; the first direction, the second direction and the third direction are perpendicular to each other; the gas supply mechanism includes supplying gas for the first jet member and the second jet member.

[0028] In this embodiment, as Figure 1 shown, the first direction is the height direction of the robot trolley 1, the second direction is the width direction of the robot trolley 1, and the third direction is the length direction of the robot trolley 1.

[0029] When dusting the leaves of plants grown in a greenhouse (such as vegetables and fruits), first, the operator controls the robot cart 1 to drive into the aisle between two rows of plants. Then, the lifting mechanism is used to raise the height of the telescopic member 5, thereby raising the height of the air jet mechanism 6. In cooperation with the telescopic member 5, the air jet mechanism 6 is raised above the greenhouse plants. Then, the two-way drive mechanism is used to adjust the distance between the two first air jet members so that the distance between the two first air jet members is sufficient to accommodate the greenhouse plants. Finally, the lifting mechanism lowers the telescopic member 5 to adjust the height of the air jet mechanism 6 so that the two first air jet members are respectively aligned with both sides of the greenhouse plants, and the second air jet member is located directly above the greenhouse plants and at an appropriate height. Finally, the air supply mechanism supplies air to the first air jet member and the second air jet member, thereby blowing air on the top and the sides of the greenhouse plants, effectively blowing off the dust on the leaves. Since the greenhouse plants planted beside the road are generally similar in size. Therefore, after the position and height of the air jet mechanism 6 are adjusted for the first time in this device, there is no need to adjust again, and it only needs to drive along a straight line.

[0030] It can be seen that this plant leaf dust removal device can effectively remove dust from the leaves of greenhouse plants, with a high dust removal efficiency, avoiding a large amount of dust covering the plant leaves, ensuring the photosynthesis efficiency of greenhouse plants, and increasing the growth rate and yield of greenhouse plants.

[0031] As a preferred embodiment, as Figure 2 shown, an installation groove is formed on the support frame 4. The installation groove is in a long strip shape and extends in the vertical direction. The lifting mechanism includes a screw rod 401, a first motor 402, and a lifting block 403. Among them, the screw rod 401 is vertically arranged in the installation groove, and the top and bottom ends of the screw rod 401 are respectively rotatably connected to the inner top wall and the inner bottom wall of the installation groove. The lifting block 403 is slidably installed in the installation groove and is threadedly connected to the screw rod 401. The first motor 402 is fixedly installed on the top of the support frame 4, and its output end is connected to the top end of the screw rod 401. Further, one end of the telescopic member 5 is fixedly connected to the side surface of the lifting block 403. The telescopic member 5 is perpendicular to the support frame 4, and the length direction of the telescopic member 5 is the same as the width direction of the robot cart 1. A fixing plate is fixedly installed on the rod end of the telescopic member 5. The fixing plate and the upper surface of the top plate 601 are detachably connected by bolts. The length direction of the top plate 601 is the same as the length direction of the telescopic member 5, and the top plate 601 and the telescopic member 5 are staggered in the length direction of the robot cart 1.

[0032] It should be noted that the telescopic member 5 is a commonly used telescopic device such as a cylinder or an oil cylinder, and is preferably a cylinder.

[0033] As a preferred embodiment, as Figure 2 and Figure 3As shown in the figure, the bidirectional driving mechanism includes a bidirectional threaded rod 603, a second motor 602 and two moving blocks 604. Among them, the thread directions at both ends of the bidirectional threaded rod 603 are opposite, the length direction of the bidirectional threaded rod 603 is the same as the length direction of the top plate 601, both ends of the bidirectional threaded rod 603 are rotatably installed between both ends of the top plate 601, the second motor 602 is installed at one end of the top plate 601 away from the support frame 4, and the output end of the second motor 602 is connected to one end of the bidirectional threaded rod 603. The two moving blocks 604 are respectively screwed to both ends of the bidirectional threaded rod 603. A chute is provided on the lower surface of the top plate 601 along its length direction. Protrusions are provided on the tops of the two moving blocks 604, and the protrusions are embedded in the chute on the lower surface of the top plate 601. A first air jet is installed on the lower surface of each moving block 604.

[0034] In this way, when adjusting the distance between the two first air jets, the second motor 602 drives the bidirectional threaded rod 603 to rotate. Since the thread directions at both ends of the bidirectional threaded rod 603 are opposite, the two moving blocks 604 can be driven to approach or move away from each other, and finally the two first air jets are driven to approach or move away from each other.

[0035] Preferably, as Figure 2 and Figure 3 shown, the first air jet includes a vertical air jet pipe 605 and a plurality of first horizontal air jet pipes 606. Among them, the vertical air jet pipe 605 is vertically arranged, both the top end and the bottom end of the vertical air jet pipe 605 are sealed, the top end of the vertical air jet pipe 605 is fixedly installed on the lower surface of the moving block 604. A plurality of pipe bodies are uniformly arranged on the side wall of the vertical air jet pipe 605 along its length direction. The pipe bodies are communicated with the vertical air jet pipe 605, and the pipe bodies are in one-to-one correspondence with the first horizontal air jet pipes 606 for connecting the first horizontal air jet pipes 606. The plurality of first horizontal air jet pipes 606 are arranged along the length direction of the vertical air jet pipe 605, and the length direction of the first horizontal air jet pipe 606 is the same as the length direction of the robot trolley 1. Vent holes are provided on the side wall of the first horizontal air jet pipe 606. One end of the pipe body is hermetically connected to the vent hole on the corresponding first horizontal air jet pipe 606. A plurality of nozzles are installed on the side wall of each first horizontal air jet pipe 606 along its length direction.

[0036] As Figure 2 shown, a plurality of nozzles are provided on the right side of the plurality of first horizontal air jet pipes 606 located on the left side of the top plate 601, and a plurality of nozzles are provided on the left side of the plurality of first horizontal air jet pipes 606 located on the right side of the top plate 601. That is, the nozzles on the two first air jets are arranged oppositely, so as to ensure that the air ejected from the two first air jets can be aligned with the greenhouse plants.

[0037] Preferably, the second jetting member includes two second horizontal jetting pipes 607. Thus, the two second horizontal jetting pipes 607 are installed on the top of the top plate 601. The two second horizontal jetting pipes 607 are arranged in sequence along the length direction of the top plate 601, and the length directions of the two second horizontal jetting pipes 607 are the same as the length direction of the first horizontal jetting pipe 606. Further, a plurality of nozzles are uniformly installed on the lower surface of the second horizontal jetting pipe 607 along its length direction. It should be noted that the second horizontal jetting pipe 607 is mainly used to blow air downward from the top of the greenhouse plants, focusing on covering the top of the greenhouse plants, and effectively blowing off the dust on the leaves at the top of the greenhouse plants.

[0038] As a preferred embodiment, to improve the dust removal efficiency of the plant leaf dust removal device, as Figure 1 shown, there are two support frames 4. A lifting mechanism is vertically installed in each of the two support frames 4, and a telescopic member 5 is installed on each lifting mechanism. There are two jetting mechanisms 6, and the two jetting mechanisms 6 are respectively installed on the two telescopic members 5. The air supply mechanism supplies air to the two jetting mechanisms simultaneously.

[0039] Further, the air supply mechanism includes an air pump 3, an air outlet pipe 301, a three-way valve 8 and two air supply pipelines, and the two air supply pipelines are used to supply air to the two jetting mechanisms respectively.

[0040] The air supply pipeline includes an air supply main pipe 7, a first branch pipe 701, a second branch pipe 702 and a third branch pipe 703. As Figure 1 shown, the air pump 3 is installed on the robot trolley 1. The air outlet of the air pump 3 is connected to a vertically arranged air outlet pipe 301, and the air outlet pipe 301 is communicated with the bottom air inlet of the three-way valve 8. One end of the air supply main pipe 7 in the two air supply pipelines is respectively communicated with the two air outlets of the three-way valve 8. Further, as Figure 2 and Figure 3 shown, circular holes are opened on the top surfaces of the same ends of the two second horizontal jetting pipes 607. The two ends of the second branch pipe 702 are respectively communicated with the circular holes on the top surfaces of the two second horizontal jetting pipes 607, and one end of the air supply main pipe 7 away from the three-way valve 8 is communicated with the circular hole on the side wall of the second branch pipe 702. Figure 2 In the first vertical jetting pipe 605 on the left side of the top plate 601 and the top of the first vertical jetting pipe 605 on the right side, through holes are respectively opened. One end of the first branch pipe 701 is communicated with the circular hole on the side wall of the air supply main pipe 7, and the other end is communicated with the through hole on the side wall of the top of the first vertical jetting pipe 605 on the right side of the top plate 601. One end of the third branch pipe 703 is communicated with the circular hole on the side wall of the second branch pipe 702, and the other end is communicated with the through hole on the side wall of the top of the first vertical jetting pipe 605 on the left side of the top plate 601.

[0041] During air supply, the air pump 3 pumps external air into the air outlet pipe 301, and then the gas enters the two main air supply pipes 7 through the air outlet pipe 301 respectively. Part of the air in the main air supply pipe 7 flows into the first vertical air jet pipe 605 on the right side of the top plate 601 through the first branch pipe 701, and part of the air flows into the second branch pipe 702 and then into the two second horizontal air jet pipes 607. Part of the air in the second branch pipe 702 flows into the first vertical air jet pipe 605 on the left side of the top plate 601 through the third branch pipe 703.

[0042] In this way, when dusting the leaves of greenhouse plants, the robot trolley 1 travels into the aisle, and the greenhouse plants on both sides of the aisle can be dusted simultaneously, greatly improving the dusting efficiency.

[0043] Optionally, one end of the third branch pipe 703 is connected to the main air supply pipe 7 and is not connected to the second branch pipe 702.

[0044] It should be noted that in this embodiment, the main air supply pipe 7, the first branch pipe 701, and the third branch pipe 703 are all flexible hoses and are long enough. The main air supply pipe 7 and the first branch pipe 701 are integrally formed, and the second branch pipe 702 is a rigid pipe. The main air supply pipe 7 and the second branch pipe 702 are quickly connected through a pipe joint. The first branch pipe 701, the third branch pipe 703, and the vertical air jet pipe 605 are all quickly connected through pipe joints. The third branch pipe 703 and the second branch pipe 702 are also quickly connected through a pipe joint.

[0045] Such as Figure 2 As shown, the side of the support frame 4 is fixed to the side of the robot trolley 1 through an angle seat. When installing, the support frame 4 is fixed to the robot trolley 1 by using bolts and an angle seat, which is convenient for installation and disassembly.

[0046] In this embodiment, a control box 9 is installed on the robot trolley 1. The first motor 402, the electric three-way valve 8, the air pump 3, and the second motor 602 are respectively signal-connected to the control box 9. The operator uses a remote control to remotely control the robot trolley 1 to travel in the aisle.

[0047] Optionally, infrared sensors are respectively installed on the lower surface of the second horizontal air jet pipe 607 and the side of the vertical air jet pipe 605 facing the greenhouse plants to detect the greenhouse plants. The infrared sensors are signal-connected to the control box 9. When the infrared sensors do not detect the greenhouse plants, the control box 9 controls the air pump 3 to close.

[0048] It should be noted that this plant leaf dust removal device cannot be adapted to the dust removal work of all greenhouse plants, and its working range is limited. When working, the height of the greenhouse plants needs to be below 1.2m. It is not applicable to the dust removal of moss plants either, nor can it perform leaf dust removal work on large trees. Users can use this dust removal device for dust removal according to the specific types of plants planted.

[0049] It should be noted that when the types of vegetables or fruits planted by the grower are fixed, that is, the heights of the planted vegetables are basically the same, the lifting mechanism can be removed, and the height of the telescopic member 5 can be directly fixed according to the height of the vegetables.

[0050] In this embodiment, the operator controls the robot trolley to drive into the aisle between two rows of plants, and then uses the control box 9 to control the two lifting mechanisms to raise the heights of the two telescopic members 5, so as to raise the heights of the two jetting mechanisms 6. Use the control box 9 to control the telescopic member 5 to extend, so that the jetting mechanism 6 rises to directly above the greenhouse plants. Then control the bidirectional drive mechanism to adjust the distance between the two first jetting members, so that the distance between the two first jetting members is sufficient to accommodate the greenhouse plants. Finally, the lifting mechanism moves down the telescopic member 5 to adjust the height of the jetting mechanism 6, so that the two first jetting members are respectively aligned with both sides of the greenhouse plants, and the second jetting member is located directly above the greenhouse plants. Subsequently, the control box 9 turns on the air pump 3 and the three-way valve 8 to perform dust removal operations on the greenhouse plants. The operator controls the robot trolley 1 to drive along the aisle all the time to perform dust removal on the greenhouse plants on both sides of the aisle. It should be noted that generally, the spacing of vegetables planted in the greenhouse is relatively small. Therefore, as the robot trolley 1 moves, the dense vegetables on both sides of the aisle can be continuously dusted.

[0051] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0052] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "linkage" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the connection inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise stated, the meaning of "a plurality of" is two or more than two.

[0053] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A plant leaf dust removal device, characterized in that It includes a robot car (1), a support frame (4), a telescopic member (5), a jet mechanism (6) and a gas supply mechanism; the support frame (4) is installed on the robot car (1) and extends in a first direction, a lifting mechanism is installed inside the support frame (4), the telescopic member (5) is installed on the lifting mechanism, and the telescopic member (5) can be telescoped in a second direction, the lifting mechanism is used to drive the telescopic member (5) to move in the first direction, and the jet mechanism (6) is installed on the telescopic member (5); The jet mechanism (6) includes a top plate (601) extending in the second direction, a bidirectional drive mechanism, two first jet members and at least one second jet member, the two first jet members are arranged in the second direction and extend in the first direction, the bidirectional drive mechanism is used to drive the two first jet members to approach or move away from each other in the second direction on the top plate (601), the second jet member is installed on the top of the top plate (601) and extends in a third direction, and the second jet member is higher than the first jet member; The first direction, the second direction and the third direction are perpendicular to each other; The gas supply mechanism includes supplying gas for the first jet member and the second jet member.

2. The plant leaf dust removal device according to claim 1, wherein The bidirectional drive mechanism includes a bidirectional threaded rod (603), a second motor (602) and two moving blocks (604), the thread directions of the two ends of the bidirectional threaded rod (603) are opposite, the bidirectional threaded rod (603) is rotatably installed between the two ends of the top plate (601) in the second direction, the second motor (602) is installed at one end of the top plate (601) and the output end of the second motor (602) is connected to one end of the bidirectional threaded rod (603), and the two moving blocks (604) are respectively screwed to the two ends of the bidirectional threaded rod (603), and one of the first jet members is installed on the lower surface of each moving block (604).

3. The plant leaf dust removal device according to claim 2, wherein The first jet member includes a vertical jet pipe (605) and a plurality of first horizontal jet pipes (606), the vertical jet pipe (605) is installed on the moving block (604) extending in the first direction, the plurality of first horizontal jet pipes (606) are arranged in the first direction and installed on the vertical jet pipe (605) and extend in the third direction, and the vertical jet pipe (605) is communicated with the first horizontal jet pipes (606).

4. The plant leaf dust removal device according to claim 3, characterized in that A plurality of nozzles are sequentially arranged along the length direction of the first horizontal jet pipe (606).

5. The plant leaf dust removal device according to claim 4, characterized in that, The second jet member includes at least one second horizontal jet pipe (607), the second horizontal jet pipe (607) extends in the third direction, and a plurality of nozzles are arranged along the length direction of the bottom surface of the second horizontal jet pipe (607).

6. The plant leaf dust removal device according to claim 5, characterized in that, The second jet member includes two of the second horizontal jet pipes (607), and the two second horizontal jet pipes (607) are arranged in the second direction.

7. The plant leaf dust removal device according to claim 6, characterized in that, The air supply mechanism includes an air pump (3), an air supply main pipe (7), a first branch pipe (701), a second branch pipe (702), and a third branch pipe (703). Both ends of the second branch pipe (702) are respectively communicated with the two second horizontal jet pipes (607). The air outlet of the air pump (3) is connected with a vertically arranged air outlet pipe (301). One end of the air supply main pipe (7) is communicated with the air outlet pipe (301), and the other end is communicated with a round hole on the side wall of the second branch pipe (702). One end of the first branch pipe (701) is connected to the side wall of the air supply main pipe (7), and the other end is communicated with a round hole on the side wall of one of the vertical jet pipes (605). One end of the third branch pipe (703) is communicated with a round hole on the side wall of the second branch pipe (702), and the other end is communicated with a round hole on the side wall of one of the vertical jet pipes (605).

8. The plant leaf dust removal device according to claim 7, characterized in that, The air supply main pipe (7), the first branch pipe (701), and the third branch pipe (703) are all flexible hoses.

9. The plant leaf dust removal device according to claim 1, characterized in that, There are two support frames (4), and the two support frames (4) are symmetrically arranged with respect to the robot trolley (1).

10. The plant leaf dust removal device according to claim 1, characterized in that, The lifting mechanism includes a screw rod (401), a first motor (402), and a lifting block (403). An installation groove extending in the first direction is formed on the support frame (4). The screw rod (401) is rotatably installed in the installation groove. The lifting block (403) is slidably installed in the installation groove and is threadedly connected to the screw rod (401). The output end of the first motor (402) is connected to one end of the screw rod (401).

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