Vertical movement control system suitable for monitoring surface flux of rapidly growing crops

Through the real-time adjustment of the observation height through the vertical mobile control system and the modular power supply design, the problem of the reduction of the flux contribution source area caused by fixed-height observation is solved, the accurate monitoring of the surface flux of fast-growing crops and the stable operation of the device are achieved, and the spatiotemporal continuity of observation and the operation and maintenance efficiency are improved.

CN120684627APending Publication Date: 2025-09-23NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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Patent Information

Application Number
CN202510965638.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-14
Publication Date
2025-09-23

AI Technical Summary

Technical Problem

In existing technologies, surface water carbon flux observations at fixed heights cause the flux contribution source area to gradually decrease, increasing observation uncertainty and affecting the accuracy of water and heat flux observation results, which in turn leads to deviations in farmland carbon cycle models and misjudgments in irrigation decisions, and may even lead to crop yield reductions.

Method used

A vertical motion control system suitable for surface flux monitoring of fast-growing crops was designed. LiDAR was used to monitor crop height changes in real time, and a gear set and slide rail were used to achieve automatic vertical adjustment of the observation arm to ensure that the observation height was always in the optimal flux contribution area above the crop canopy. A modular power supply system and multi-point fixing design were used to ensure the stability of the device and the convenience of maintenance.

Benefits of technology

The spatiotemporal continuity and representativeness of water and carbon flux data are achieved, ensuring that the observation range covers the core exchange area of ​​the entire farmland ecosystem, improving the accuracy of observation and the stability and operation and maintenance efficiency of the device in the field environment, and avoiding the reduction of the observation source area and device offset due to crop growth.

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Abstract

The invention discloses a vertical movement control system suitable for fast growing crop surface flux monitoring, which comprises a bottom plate and a tripod, a vertical rod, a support column and a rack column are fixedly connected above the bottom plate, the vertical rod is slidably connected with a connecting block, the side surface of the connecting block is fixedly connected with a sliding box, and the side surface of the sliding box is fixedly connected with a flux observer. An output motor is arranged in the sliding box, the output end of the output motor is fixedly connected with a worm, the height change of crops such as corn and sugarcane is monitored in real time through the laser radar, the control system can synchronously drive the transmission mechanism and the gear set to be matched with the sliding rail, and automatic vertical adjustment of the observation cross arm is achieved; the laser radar transmits height data to the control system, the trigger motor drives the gear to rotate, the observation cross arm moves upwards by a corresponding distance along the sliding rail through gear meshing transmission, it is ensured that the observation height is always kept in the optimal flux contribution area above the crop canopy, and the space-time continuity and representativeness of water-carbon flux data are guaranteed.
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Description

Technical Field

[0001] The present invention relates to the technical field of surface flux observation, and in particular to a vertical movement control system suitable for surface flux monitoring of fast-growing crops. Background Art

[0002] Flux refers to the amount of matter, energy, or momentum transferred through a unit area per unit time. It is a key physical quantity for quantifying the exchange of matter and energy between different systems. In surface flux observations of fast-growing crops such as corn, sugarcane, and sorghum, this definition has a close and unique connection to the dynamic growth process of crops. In research on global climate change and sustainable agricultural development, surface flux observations of fast-growing crops such as corn, sugarcane, and sorghum are a key means of quantifying the carbon cycle, water cycle, and energy exchange in farmland ecosystems.

[0003] For fast-growing crops such as corn, sugarcane, and sorghum, previous fixed-height surface water carbon flux observations will cause the flux contribution source area to gradually shrink, increasing the uncertainty of water and carbon flux during the observation period, seriously affecting the accuracy of water and heat flux observation results. The reduction of flux contribution source area and the increase in observation uncertainty will lead to deviations in farmland carbon cycle models, misjudgments in extreme climate response research, and deviations in irrigation decisions leading to crop yield reductions. Summary of the Invention

[0004] The purpose of the present invention is to solve the above technical problems in the prior art and to propose a vertical movement control system suitable for surface flux monitoring of fast-growing crops.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A vertical movement control system suitable for surface flux monitoring of fast-growing crops, comprising a base plate and a tripod, wherein a vertical rod, a support column and a rack column are fixedly connected above the base plate, the vertical rod is slidably connected to a connecting block, a sliding box is fixedly connected to the side of the connecting block, a flux observer is fixedly connected to the side of the sliding box, an output motor is provided inside the sliding box, an output end of the output motor is fixedly connected to a worm, the worm is meshedly connected to a worm wheel, the worm wheel passes through the supporting bracket and is fixedly connected to a gear inside the box, the gear inside the box is meshed with the rack column, a flat plate is fixedly connected above the rack column, an inclined bracket for supporting a photovoltaic panel is provided above the flat plate, a threaded bottom column is fixedly connected below the base plate, the threaded bottom column is threadedly connected to the connecting block, and the tripod is fixedly connected below the connecting block.

[0006] The above technical solution further includes: The flat plate is rotatably connected to one side of the tilting bracket, a mounting block is provided on the side of the tilting bracket, the mounting block is rotatably connected to a bidirectional threaded rod, a first clamping block for clamping a photovoltaic panel is threadedly connected to the surface of the bidirectional threaded rod, and another set of second clamping blocks for clamping a photovoltaic panel is provided on the side of the surface of the bidirectional threaded rod away from the first clamping block.

[0007] A column for supporting the inclined bracket is arranged above the flat plate, and a lightning rod is fixedly installed above the flat plate.

[0008] The bottom of the flat plate is provided with a plurality of opening blocks for connecting ropes.

[0009] The upper portion of the support column is fixedly connected to the flat plate, and the upper portion of the vertical rod is fixedly connected to the flat plate.

[0010] An energy storage block for power supply is arranged above the flat plate.

[0011] The gear inside the box is rotatably connected to the support bracket, and the worm gear is rotatably connected to the support bracket. The support bracket provides a stable rotation fulcrum for the gear inside the box, ensuring that the coaxiality is maintained during the gear transmission process and avoiding meshing errors caused by shaking. This design improves the gear transmission efficiency and reduces the wear caused by axial offset, ensuring the stability of power transmission, such as the stability when driving the observation cross arm to rise and fall.

[0012] The surface of the inclined bracket is provided with a square opening for the sliding of the first clamping block and the second clamping block. The square opening structure provides a guide track for the clamping block, so that the first clamping block and the second clamping block can slide along the surface of the inclined bracket to achieve clamping and release of the photovoltaic panel. This design not only ensures the smooth sliding of the clamping block, but also adapts the installation inclination angle of the photovoltaic panel through the inclination angle, so that the clamping block can apply pressure evenly, thereby avoiding damage to the photovoltaic panel due to local uneven force.

[0013] The sliding box is slidably connected to the rack column, and the cooperation between the sliding box and the rack column forms a linear motion, so that the sliding box can be vertically lifted and lowered along the rack column. This design converts the rotational motion of the gear transmission into linear motion. When the gear in the box is engaged with the rack column, it provides a stable guide for the vertical movement of the observation cross arm, ensuring that there is no offset during the lifting process, and improving the accuracy of the observation height adjustment.

[0014] The bottom of the tilt bracket is equipped with a stopper to prevent the photovoltaic panel from sliding. This physically prevents the panel from sliding down the tilt bracket, especially in windy or vibrating environments. This prevents the panel from shifting due to loose mounting clamps. This design ensures that the photovoltaic panel always maintains the optimal light receiving angle, such as perpendicular to the sun, to avoid the loss of power generation efficiency caused by sliding, while also protecting the panel's edges from damage due to collisions.

[0015] The present invention has the following beneficial effects: In the present invention, a laser radar is used to monitor the height changes of crops such as corn and sugarcane in real time. The control system can synchronously drive the transmission mechanism, and the gear set cooperates with the slide rail to achieve automatic vertical adjustment of the observation arm. When the crop grows, such as when the corn grows five centimeters, the laser radar transmits the height data to the control system, triggering the motor to rotate the gears. The gear meshing transmission causes the observation arm to move upward along the slide rail a corresponding distance, ensuring that the observation height is always maintained above the crop canopy in the optimal flux contribution area, avoiding the reduction of the observation source area due to crop growth, ensuring that the flux observation range continues to cover the core exchange area of ​​the entire farmland ecosystem, and ensuring the spatiotemporal continuity and representativeness of the water and carbon flux data.

[0016] 1. In the present invention, the bottom of the device is firmly connected to the foundation through a threaded connector, and ropes are used to pass through the bottom holes to form multi-point traction and fixation, which effectively resists shaking caused by natural factors such as strong winds, ensuring that the device is stable and does not deviate during the observation process. In response to the maintenance needs of the power supply system, a modular detachable design is adopted. When the power supply module is damaged, the fixed parts are separated by the driving mechanism, and the power module can be quickly replaced without disassembling the entire device. This design not only ensures the stability of the equipment in harsh outdoor environments, but also simplifies the complex disassembly process in traditional maintenance into modular replacement, greatly improving the operation and maintenance efficiency, and ensuring the continuous and stable operation of core components such as lidar and transmission system. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a vertical motion control system suitable for surface flux monitoring of fast-growing crops proposed by the present invention; Figure 2 It is a partial structural diagram of the present invention; Figure 3 for Figure 2 A in the middle is an enlarged schematic diagram; Figure 4 It is a side structural diagram of the present invention; Figure 5 for Figure 4 The enlarged schematic diagram of point B in the middle; Figure 6 It is a schematic diagram of the top view structure of the present invention.

[0018] In the figure: 1. Base plate; 2. Vertical rod; 3. Support column; 4. Rack column; 5. Sliding box; 6. Flux observer; 7. Connecting block; 8. Tripod; 9. Flat plate; 10. Opening block; 11. Support bracket; 12. Gear in the box; 13. Worm gear; 14. Worm; 15. Output motor; 16. Tilt bracket; 17. Lightning rod; 18. Photovoltaic panel; 19. First clamping block; 20. Second clamping block; 21. Bidirectional threaded rod; 22. Threaded bottom column; 23. Connecting block. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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.

[0020] See also Figures 1-6 As shown, the present invention is a vertical movement control system suitable for surface flux monitoring of fast-growing crops, including a base plate 1 and a tripod 8. A vertical rod 2, a support column 3, and a rack column 4 are fixedly connected above the base plate 1. The vertical rod 2 is slidably connected to a connecting block 23. A sliding box 5 is fixedly connected to the side of the connecting block 23. A flux observer 6 is fixedly connected to the side of the sliding box 5. An output motor 15 is provided inside the sliding box 5. The output end of the output motor 15 is fixedly connected to a worm 14. The worm 14 is meshedly connected to a worm gear 13. The worm gear 13 passes through the supporting bracket 11 and is fixedly connected to a gear 12 in the box. The gear 12 in the box is meshed and connected to the rack column 4. A flat plate 9 is fixedly connected above the rack column 4. An inclined bracket 16 for supporting a photovoltaic panel 18 is provided above the flat plate 9. A threaded bottom column 22 is fixedly connected below the base plate 1. The threaded bottom column 22 is threadedly connected to a connecting block 7. The tripod 8 is fixedly connected below the connecting block 7.

[0021] In one embodiment, for the above-mentioned flat plate 9, the flat plate 9 is rotatably connected to one side of the tilting bracket 16, and a mounting block is provided on the side of the tilting bracket 16. The mounting block is rotatably connected to a bidirectional threaded rod 21, and a first clamping block 19 for clamping the photovoltaic panel 18 is threadedly connected on the surface of the bidirectional threaded rod 21. Another group of second clamping blocks 20 for clamping the photovoltaic panel 18 is provided on the side of the surface of the bidirectional threaded rod 21 away from the first clamping block 19.

[0022] In one embodiment, for the above-mentioned flat plate 9 , a column for supporting the inclined bracket 16 is provided above the flat plate 9 , and a lightning rod 17 is fixedly installed above the flat plate 9 .

[0023] In one embodiment, for the above-mentioned flat plate 9 , a plurality of groups of opening blocks 10 for connecting ropes are provided at the bottom of the flat plate 9 .

[0024] In one embodiment, for the above-mentioned support column 3 , the upper portion of the support column 3 is fixedly connected to the flat plate 9 , and the upper portion of the vertical rod 2 is fixedly connected to the flat plate 9 .

[0025] In one embodiment, for the above-mentioned flat plate 9 , an energy storage block for power supply is provided above the flat plate 9 .

[0026] In one embodiment, for the above-mentioned internal gear 12 , the internal gear 12 is rotationally connected to the support bracket 11 , and the worm gear 13 is rotationally connected to the support bracket 11 .

[0027] In this embodiment, the support bracket 11 provides a stable rotational fulcrum for the gear 12 within the box, ensuring coaxiality during gear transmission and avoiding meshing errors caused by shaking. This design improves gear transmission efficiency, reduces wear caused by axial offset, and ensures stable power transmission, such as when driving the observation cross arm to raise and lower it.

[0028] In one embodiment, for the tilt bracket 16 , a square opening is provided on the surface of the tilt bracket 16 for the first clamping block 19 and the second clamping block 20 to slide.

[0029] In this embodiment, the square mouth structure provides a guide track for the clamping block, so that the first clamping block 19 and the second clamping block 20 can slide along the surface of the inclined bracket 16 to achieve clamping and releasing of the photovoltaic panel 18. This design not only ensures the smooth sliding of the clamping block, but also adapts the installation inclination angle of the photovoltaic panel through the inclination angle, so that the clamping block can apply pressure evenly, thereby avoiding damage to the photovoltaic panel due to local uneven force.

[0030] In one embodiment, for the above-mentioned sliding box 5, the sliding box 5 is slidably connected to the rack column 4, and the cooperation between the sliding box 5 and the rack column 4 forms a linear motion.

[0031] In this embodiment, the sliding box can be lifted and lowered vertically along the rack column. This design converts the rotational motion of the gear transmission into linear motion. When the gear 12 in the box is engaged with the rack column 4, it provides a stable guide for the vertical movement of the observation cross arm, ensuring that there is no offset during the lifting process and improving the accuracy of the observation height adjustment.

[0032] In one embodiment, for the above-mentioned tilt bracket 16 , a stopper is provided at the bottom of the tilt bracket 16 for preventing the photovoltaic panel 18 from sliding.

[0033] In this embodiment, the stop block prevents the photovoltaic panel 18 from sliding down along the inclined bracket 16 through physical limitation, especially in a windy or vibrating environment, and can prevent the photovoltaic panel from shifting due to loosening of the installation clamp. This design ensures that the photovoltaic panel always maintains the optimal light receiving angle, such as perpendicular to the sunlight, to avoid the decrease in power generation efficiency due to sliding, and at the same time protect the edge of the photovoltaic panel from collision damage.

[0034] The working principle of a vertical mobile control system suitable for monitoring the surface flux of fast-growing crops in the present invention is to first use 22 at the bottom of 1 to connect with 7 above 8 by thread, then place 8 on the poured foundation, and then set multiple fixed points through ropes to fix them at the holes 10 below 9, so as to prevent violent shaking caused by natural reasons such as wind when observing the surface flux, and then install 17 above 9 for lightning protection.

[0035] During observation, taking corn as an example, corn will continue to grow taller over time, and 6 will control 15 to rotate as the height of the corn grows. For example, if the corn grows five centimeters taller, then 6 observations plus the use of lidar to measure the crop growth height and record it in real time, and 6 uses 15 to drive 14 to rotate according to the observed height of the corn. The rotation of 14 engages with 13, and the rotation of 13 utilizes the engagement of 12 and 4 to make 5 move upward along 4, and then 23 on the side of 4 moves with it, thereby ensuring that the area observed by 6 does not change due to rotation.

[0036] In addition, 18 is used to provide electrical energy to ensure normal use during daily 6 observations. If 18 is damaged, 21 can be controlled to rotate, so that 19 and 20 are moved away from each other so that 18 can be replaced, reducing the inconvenience of replacement due to damage to 18.

[0037] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A vertical motion control system suitable for surface flux monitoring of fast-growing crops, characterized in that: The invention comprises a base plate (1) and a tripod (8), wherein a vertical rod (2), a support column (3), and a rack column (4) are fixedly connected to the top of the base plate (1), the vertical rod (2) is slidably connected to a connecting block (23), the side of the connecting block (23) is fixedly connected to a sliding box (5), the side of the sliding box (5) is fixedly connected to a flux observer (6), an output motor (15) is provided inside the sliding box (5), the output end of the output motor (15) is fixedly connected to a worm (14), and the worm (14) is meshedly connected to a worm gear. (13), the worm gear (13) passes through the support bracket (11) and is fixedly connected to the gear (12) in the box, the gear (12) in the box is meshed and connected with the rack column (4), a flat plate (9) is fixedly connected above the rack column (4), an inclined bracket (16) for supporting the photovoltaic panel (18) is provided above the flat plate (9), a threaded bottom column (22) is fixedly connected below the bottom plate (1), the threaded bottom column (22) is threadedly connected to the connecting block (7), and a tripod (8) is fixedly connected below the connecting block (7).

2. A vertical movement control system suitable for surface flux monitoring of fast-growing crops according to claim 1, characterized in that: The flat plate (9) is rotatably connected to one side of the tilting bracket (16); a mounting block is provided on the side of the tilting bracket (16); the mounting block is rotatably connected to a bidirectional threaded rod (21); a first clamping block (19) for clamping the photovoltaic panel (18) is threadedly connected to the surface of the bidirectional threaded rod (21); and another set of second clamping blocks (20) for clamping the photovoltaic panel (18) is provided on the side of the surface of the bidirectional threaded rod (21) away from the first clamping block (19).

3. A vertical movement control system suitable for surface flux monitoring of fast-growing crops according to claim 1, characterized in that: A column for supporting an inclined bracket (16) is provided above the flat plate (9), and a lightning rod (17) is fixedly installed above the flat plate (9).

4. A vertical movement control system suitable for surface flux monitoring of fast-growing crops according to claim 1, characterized in that: The bottom of the flat plate (9) is provided with a plurality of groups of opening blocks (10) for connecting ropes.

5. The vertical movement control system for surface flux monitoring of fast-growing crops according to claim 1, characterized in that: The upper portion of the support column (3) is fixedly connected to the flat plate (9), and the upper portion of the vertical rod (2) is fixedly connected to the flat plate (9).

6. A vertical movement control system suitable for surface flux monitoring of fast-growing crops according to claim 1, characterized in that: An energy storage block for power supply is provided above the flat plate (9).

7. A vertical movement control system suitable for surface flux monitoring of fast-growing crops according to claim 1, characterized in that: The gear (12) in the box is rotationally connected to the support bracket (11), and the worm gear (13) is rotationally connected to the support bracket (11).

8. The vertical movement control system for surface flux monitoring of fast-growing crops according to claim 1, characterized in that: A square opening for the first clamping block (19) and the second clamping block (20) to slide is provided on the surface of the inclined bracket (16).

9. The vertical movement control system for surface flux monitoring of fast-growing crops according to claim 1, characterized in that: The sliding box (5) is slidably connected to the rack column (4).

10. The vertical movement control system for surface flux monitoring of fast-growing crops according to claim 1, characterized in that: A stop block for preventing the photovoltaic panel (18) from sliding is provided at the bottom of the tilting bracket (16).

Citation Information

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