Self-adaptive adjustment laser weeding device

Abstract

The utility model discloses a self-adaptive adjustment laser weeding device, which relates to the technical field of laser weeding, and comprises a vehicle body, a laser generating mechanism and an adjusting mechanism, a weeding platform is arranged on the vehicle body, the laser generating mechanism comprises a laser galvanometer assembly and a laser assembly, the laser galvanometer assembly is arranged on the weeding platform, and the laser assembly is arranged on the vehicle body. The laser assembly is arranged on the vehicle body and can emit laser to the laser galvanometer assembly, so that the laser galvanometer assembly performs laser weeding on a weeding area; the adjusting mechanism comprises a moving assembly, a camera shooting assembly and a processor, the moving assembly and the camera shooting assembly are both arranged on the weeding platform and connected with the processor, the moving assembly can drive the laser galvanometer assembly to advance or retreat in the moving direction of the vehicle body, and the camera shooting assembly can conduct image collection on the weeding area; the processor can adjust the moving speed of the laser galvanometer assembly relative to the vehicle body according to the weed density in the weeding area, and therefore the laser weeding time of the laser galvanometer assembly is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of laser weeding, in particular to a self-adaptive regulating laser weeding device. Background Art

[0002] In recent years, laser weed control has gained increasing attention as a new, environmentally friendly weed control method. Laser weed control utilizes a laser beam to directly illuminate weeds, burning their leaves at high temperatures to achieve effective weed control. This method requires no chemicals, produces no noise or air pollution, and has minimal impact on soil and water resources. Its environmental and sustainability attributes make laser weed control a promising technology for future agricultural production.

[0003] Existing laser weeding devices mainly guide the laser by designing the laser emission end to achieve more accurate laser weeding.

[0004] However, in actual farmland production, due to the uneven distribution of weed growth in the field, different weed density communities will appear. For such differences in weed density, the laser working area of ​​the existing laser weeding device has the same residence time in the high weed density area and the low weed density area, which will lead to uneven laser weeding and cannot guarantee the laser weeding effect under different weed densities. Utility Model Content

[0005] The purpose of the utility model is to provide an adaptively adjustable laser weeding device to solve the problems existing in the above-mentioned related technologies. It can adjust the laser weeding time according to different weed densities, thereby ensuring the laser weeding effect under different weed densities.

[0006] To achieve the above purpose, the present invention provides the following solutions:

[0007] The utility model provides an adaptively adjustable laser weeding device, comprising a vehicle body, a laser generating mechanism and an adjusting mechanism, wherein a weeding platform is provided on the vehicle body, and a weeding area can be formed below the weeding platform; the laser generating mechanism comprises a laser galvanometer assembly and a laser assembly, wherein the laser galvanometer assembly is provided on the weeding platform, the laser assembly is provided on the vehicle body, and the laser assembly can emit laser to the laser galvanometer assembly so that the laser galvanometer assembly performs laser weeding on the weeding area; the adjusting mechanism comprises a moving assembly, a camera assembly and a processor, wherein the moving assembly and the camera assembly are both provided on the weeding platform and connected to the processor, the moving assembly can drive the laser galvanometer assembly to move forward or backward along the moving direction of the vehicle body, the camera assembly can capture images of the weeding area, and the processor can adjust the moving speed of the laser galvanometer assembly relative to the vehicle body according to the weed density in the weeding area, thereby adjusting the laser weeding time of the laser galvanometer assembly.

[0008] Preferably, the weeding platform is located on the front side of the vehicle body, and an adjustment port is provided on the weeding platform, and the adjustment port is a strip-shaped port extending from front to rear; the moving assembly includes a forward and backward moving device and a moving platform, and the forward and backward moving device includes two horizontal guide rails, and the two horizontal guide rails are respectively arranged on the left and right sides of the adjustment port, and the moving platform is arranged on the two horizontal guide rails and can move forward and backward along the two horizontal guide rails, and a laser transmission port is provided on the moving platform; the laser galvanometer assembly includes a laser galvanometer body, the laser galvanometer body is fixed on the moving platform, and the laser incident port of the laser galvanometer body is arranged to face rearward, and the laser output port of the laser galvanometer body is arranged toward the laser transmission port of the moving platform; the laser assembly includes a laser body, the laser body is fixed on the vehicle body, and the laser emission port of the laser body is arranged to face forward and is coaxial with the laser incident port of the laser galvanometer body.

[0009] Preferably, the weeding platform has a plurality of adjustment ports arranged side by side; the moving assembly, the laser galvanometer body, the laser body and the camera assembly are all arranged in a one-to-one correspondence with the adjustment ports.

[0010] Preferably, the forward and backward moving device is a synchronous belt module.

[0011] Preferably, the laser body is a carbon dioxide laser.

[0012] Preferably, the laser galvanometer assembly further includes a heat sink, and the heat sink is arranged on the outer shell of the laser galvanometer body.

[0013] Preferably, the laser assembly further comprises a water cooler, and a water cooling jacket is provided on the laser body, and the water cooling jacket is connected to the water cooler so that cooling water circulation is formed in the water cooling jacket.

[0014] Preferably, the camera assembly includes a camera and a lighting lamp, the camera is arranged at the bottom of the mobile platform, and the lighting lamp is arranged at the bottom of the weeding platform near the mobile platform.

[0015] Preferably, a shade cloth is further provided at the bottom of the weeding platform, and the shade cloth is arranged around the bottom edge of the weeding platform.

[0016] Preferably, a power supply is also provided on the vehicle body, and the laser galvanometer assembly, the laser assembly and the processor are all connected to the power supply.

[0017] Compared with the related art, the utility model has achieved the following technical effects:

[0018] The utility model provides an adaptive adjustment laser weeding device, which includes a vehicle body, a laser generating mechanism and an adjusting mechanism. A weeding platform is provided on the vehicle body. The laser generating mechanism includes a laser galvanometer assembly and a laser assembly. The adjusting mechanism includes a moving assembly, a camera assembly and a processor. When in use, as the vehicle body moves, the laser is emitted to the laser galvanometer assembly through the laser assembly, so that the laser galvanometer assembly performs laser weeding on the weeding area below the weeding platform. At the same time, the weeding area is imaged through the camera assembly, and the image information collected is transmitted to the processor for weed density analysis. Then, the processor adjusts the speed at which the moving assembly drives the laser galvanometer assembly to move forward or backward along the moving direction of the vehicle body according to the weed density in the weeding area, that is, adjusts the moving speed of the laser galvanometer assembly relative to the vehicle body, thereby adjusting the laser weeding time of the laser galvanometer assembly, thereby realizing the adjustment of the laser weeding time according to different weed densities and ensuring the laser weeding effect under different weed densities. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 A schematic diagram of a self-adaptive laser weeding device provided in an embodiment of the present invention;

[0021] Figure 2 A top view of the self-adaptive laser weeding device provided in an embodiment of the present utility model;

[0022] Figure 3 A bottom view of the self-adaptive laser weeding device provided in an embodiment of the present utility model;

[0023] Figure 4 A side view of the self-adaptive laser weeding device provided in an embodiment of the utility model.

[0024] In the figure: 1-vehicle body, 2-weeding platform, 201-adjustment port, 3-laser galvanometer assembly, 301-laser galvanometer body, 302-laser incident port, 4-laser assembly, 401-laser body, 402-laser emission port, 5-moving assembly, 501-forward and backward moving device, 502-moving platform, 503-laser transmission port, 6-camera, 7-lighting lamp, 8-shading cloth. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] The purpose of the utility model is to provide a self-adaptive laser weeding device to solve the problems existing in the related technology. The laser weeding time can be adjusted according to different weed densities, thereby ensuring the laser weeding effect under different weed densities.

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0028] like Figure 1-Figure 4As shown, this embodiment provides an adaptively adjustable laser weeding device, including a vehicle body 1, a laser generating mechanism and an adjusting mechanism. A weeding platform 2 is provided on the vehicle body 1, and a weeding area can be formed under the weeding platform 2; the laser generating mechanism includes a laser galvanometer assembly 3 and a laser assembly 4, the laser galvanometer assembly 3 is provided on the weeding platform 2, the laser assembly 4 is provided on the vehicle body 1, and the laser assembly 4 can emit laser to the laser galvanometer assembly 3 so that the laser galvanometer assembly 3 performs laser weeding on the weeding area; the adjusting mechanism includes a moving assembly 5, a camera assembly and a processor, the moving assembly 5 and the camera assembly are both provided on the weeding platform 2 and connected to the processor, the moving assembly 5 can drive the laser galvanometer assembly 3 to move forward or backward along the moving direction of the vehicle body 1, the camera assembly can capture images of the weeding area, and the processor can adjust the moving speed of the laser galvanometer assembly 3 relative to the vehicle body 1 according to the weed density in the weeding area, thereby adjusting the laser weeding time of the laser galvanometer assembly 3.

[0029] During use, as the vehicle body 1 moves, the laser is emitted to the laser galvanometer assembly 3 through the laser assembly 4, so that the laser galvanometer assembly 3 performs laser weeding on the weeding area below the weeding platform 2. At the same time, the weeding area is imaged through the camera assembly, and the collected image information is transmitted to the processor for weed density analysis. Then, the processor adjusts the speed at which the moving assembly 5 drives the laser galvanometer assembly 3 forward or backward along the moving direction of the vehicle body 1 according to the weed density in the weeding area, that is, adjusts the moving speed of the laser galvanometer assembly 3 relative to the vehicle body 1, thereby adjusting the laser weeding time of the laser galvanometer assembly 3, thereby realizing the adjustment of the laser weeding time according to different weed densities and ensuring the laser weeding effect under different weed densities.

[0030] In this embodiment, the weeding platform 2 is located at the front side of the vehicle body 1 (i.e. Figure 2The left side of the vehicle body 1 is provided with an adjustment port 201, which is a strip-shaped port extending from front to back; the moving assembly 5 includes a front-to-back moving device 501 and a moving platform 502, the front-to-back moving device 501 includes two horizontal guide rails, the two horizontal guide rails are respectively provided on the left and right sides of the adjustment port 201, the moving platform 502 is provided on the two horizontal guide rails, and can move forward and backward along the two horizontal guide rails, and a laser transmission port 503 is provided on the moving platform 502; the front-to-back moving device 501 in this embodiment is preferably a synchronous belt module; the laser galvanometer assembly 3 includes The laser galvanometer body 301 is fixed on the mobile platform 502, and the laser incident port 302 of the laser galvanometer body 301 is set to face backward, and the laser output port of the laser galvanometer body 301 is set toward the laser transmission port 503 of the mobile platform 502; the laser assembly 4 includes a laser body 401, the laser body 401 is fixed on the vehicle body 1, and the laser emission port 402 of the laser body 401 is set to face forward and coaxially with the laser incident port 302 of the laser galvanometer body 301; the laser body 401 in this embodiment is preferably a carbon dioxide laser.

[0031] Furthermore, three adjustment ports 201 are arranged side by side on the weeding platform 2 ; the moving component 5 , the laser galvanometer body 301 , the laser body 401 and the camera component are all arranged in a one-to-one correspondence with the adjustment ports 201 .

[0032] In this embodiment, the laser galvanometer assembly 3 further includes a heat sink, which is provided on the outer shell of the laser galvanometer body 301. The heat sink increases the heat dissipation area and ensures the thermal stability of the laser galvanometer body 301 under long-term operation.

[0033] In this embodiment, the laser assembly 4 further includes a water chiller. A water cooling jacket is provided on the laser body 401. The water cooling jacket is connected to the water chiller so that a cooling water circulation is formed in the water cooling jacket. The water chiller model in this embodiment is preferably CW-5200.

[0034] In this embodiment, the camera assembly includes a camera 6 and a lighting lamp 7. The camera 6 is arranged at the bottom of the mobile platform 502, and the lighting lamp 7 is arranged at the bottom of the weeding platform 2 near the mobile platform 502; the lighting lamp 7 in this embodiment is preferably an LED light strip, and each set of camera assemblies includes two LED light strips, and the two LED light strips are respectively arranged on both sides of the corresponding adjustment port 201 on the weeding platform 2.

[0035] During the weeding process, the camera 6 is first used to scan the weeding area to detect and locate the coordinates of the weed meristem. The processor then receives and analyzes the information collected by the camera 6 and adjusts the moving speed of the laser galvanometer assembly 3 relative to the vehicle body 1 according to the weed density in the weeding area to sequentially process the weeds. When medium or high density weeds appear in the weeding area, the laser galvanometer assembly 3 is moved backward by the mobile assembly 5 to extend the laser weeding time, thereby ensuring the uniformity of laser weeding and improving the efficiency of laser weeding.

[0036] In this embodiment, a shade cloth 8 is also provided at the bottom of the weeding platform 2. The shade cloth 8 is arranged around the bottom edge of the weeding platform 2, that is, the weeding area below the weeding platform 2 is surrounded by the shade cloth 8. In order to prevent the shade cloth 8 from touching weeds and affecting the movement of the vehicle body 1, the front and rear parts of the shade cloth 8 in this embodiment both adopt a shade curtain structure formed by splicing multiple cloth strips.

[0037] In this embodiment, a power supply is further provided on the vehicle body 1 , and the laser galvanometer assembly 3 , the laser assembly 4 and the processor are all connected to the power supply.

[0038] It should be noted that the vehicle body 1 in this embodiment is supported by four wheels for movement, and the vehicle body 1 is also covered with a protective cover to protect the laser galvanometer assembly 3 and the laser assembly 4 and other structures (in order to clearly show the laser galvanometer assembly 3 and the laser assembly 4 and other structures, Figure 1-Figure 4 The protective cover is not shown in the figure); the top of the vehicle body 1 is a rectangular horizontal platform, and the discharge tube and emission head part of the laser body 401 are arranged on the rectangular horizontal platform through the laser bracket. During installation, it is necessary to ensure that the laser emission port 402 of the laser body 401 is strictly aligned with the laser incident port 302 of the laser galvanometer body 301 (that is, the two should be on the same horizontal line from the top view and the side view). The laser bracket in this embodiment is also wrapped with rubber buffer material to reduce the impact of vibration of the vehicle body 1; the driver part, water cooler, processor and power supply of the laser body 401 are all arranged inside the vehicle body 1.

[0039] In summary, the device realizes rapid scanning and removal of weeds in a two-dimensional plane through the vehicle body 1 in combination with the laser generating mechanism, and can adaptively adjust the speed at which the moving component 5 drives the laser galvanometer component 3 to move forward or backward along the moving direction of the vehicle body 1 according to the weed distribution density in different rows through the adjustment mechanism, that is, adjusts the moving speed of the laser galvanometer component 3 relative to the vehicle body 1, thereby adjusting the laser weeding time of the laser galvanometer component 3, solving the problem that the laser weeding effect cannot be guaranteed at different weed densities.

[0040] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. An adaptive laser weeding device, characterized by: The utility model comprises a vehicle body, a laser generating mechanism and an adjusting mechanism, wherein a weeding platform is provided on the vehicle body, and a weeding area can be formed under the weeding platform; the laser generating mechanism comprises a laser galvanometer assembly and a laser assembly, wherein the laser galvanometer assembly is provided on the weeding platform, the laser assembly is provided on the vehicle body, and the laser assembly can emit laser to the laser galvanometer assembly so that the laser galvanometer assembly performs laser weeding on the weeding area; the adjusting mechanism comprises a moving assembly, a camera assembly and a processor, wherein the moving assembly and the camera assembly are both provided on the weeding platform and connected to the processor, the moving assembly can drive the laser galvanometer assembly to move forward or backward along the moving direction of the vehicle body, the camera assembly can capture images of the weeding area, and the processor can adjust the moving speed of the laser galvanometer assembly relative to the vehicle body according to the weed density in the weeding area, thereby adjusting the laser weeding time of the laser galvanometer assembly.

2. The self-adaptive laser weeding device according to claim 1, characterized in that: The weeding platform is located on the front side of the vehicle body, and an adjustment port is provided on the weeding platform, which is a strip-shaped port extending from front to rear; the moving assembly includes a forward and backward moving device and a moving platform, the forward and backward moving device includes two horizontal guide rails, the two horizontal guide rails are respectively arranged on the left and right sides of the adjustment port, the moving platform is arranged on the two horizontal guide rails and can move forward and backward along the two horizontal guide rails, and a laser transmission port is provided on the moving platform; the laser galvanometer assembly includes a laser galvanometer body, the laser galvanometer body is fixed on the moving platform, and the laser incident port of the laser galvanometer body is arranged to face rearward, and the laser output port of the laser galvanometer body is arranged toward the laser transmission port of the moving platform; the laser assembly includes a laser body, the laser body is fixed on the vehicle body, and the laser emission port of the laser body is arranged to face forward and is coaxial with the laser incident port of the laser galvanometer body.

3. The self-adaptive laser weeding device according to claim 2, characterized in that: The weeding platform has a plurality of adjustment ports arranged side by side; the moving assembly, the laser galvanometer body, the laser body and the camera assembly are all arranged in a one-to-one correspondence with the adjustment ports.

4. The self-adaptive laser weeding device according to claim 2, characterized in that: The forward and backward moving device is a synchronous belt module.

5. The self-adaptive laser weeding device according to claim 2, characterized in that: The laser body is a carbon dioxide laser.

6. The self-adaptive laser weeding device according to claim 2, characterized in that: The laser galvanometer assembly further includes a heat sink, which is arranged on the outer shell of the laser galvanometer body.

7. The self-adaptive laser weeding device according to claim 2, characterized in that: The laser assembly further includes a water cooler. A water cooling jacket is provided on the laser body. The water cooling jacket is connected to the water cooler so that cooling water circulation is formed in the water cooling jacket.

8. The self-adaptive laser weeding device according to claim 2, characterized in that: The camera assembly includes a camera and a lighting lamp. The camera is arranged at the bottom of the mobile platform, and the lighting lamp is arranged at the bottom of the weeding platform near the mobile platform.

9. The self-adaptive laser weeding device according to claim 1, characterized in that: A shade cloth is also provided at the bottom of the weeding platform, and the shade cloth is arranged around the bottom edge of the weeding platform.

10. The self-adaptive laser weeding device according to claim 1, characterized in that: The vehicle body is also provided with a power supply, and the laser galvanometer assembly, the laser assembly and the processor are all connected to the power supply.

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