Grassland quadrat frame for unmanned system monitoring
By designing grassland transects for unmanned systems and utilizing rotating scales and image recognition systems, the portability and accuracy issues of grassland vegetation height and cover measurement were solved, achieving automation and simplicity in grassland information monitoring.
Patent Information
- Application Number
- CN202322616899.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-26
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2033-09-26
AI Technical Summary
Existing grassland monitoring equipment cannot effectively measure parameters such as vegetation height and cover using unmanned systems, and is inconvenient to carry and use.
Design a grassland sample frame for monitoring by an unmanned system. The frame consists of a square frame connected by four side rods. The side rods are equipped with a central hole and a through hole. The scale is connected by a pin and can be rotated to a vertical or horizontal position. The system is used in conjunction with an image recognition system to measure grassland parameters.
It enables automated measurement of grassland vegetation height and density, simplifies field operations, is suitable for grassland information monitoring under unmanned systems, and is portable and easy to operate.
Smart Images

Figure CN223856738U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sampling detection technical field especially, a grassland quadrat frame for unmanned system monitoring. BACKGROUND
[0002] Grassland resources, ecological conditions and utilization conditions, etc. information, improve the grassland fine management level, cover degree, the area ratio of plant vertical projection on the ground, the size of cover degree is not determined by the number of plants, but is determined by the biological characteristics of plants, at present, the method for measuring cover degree is to set a quadrat frame at the selected position, the quadrat frame is surrounded by a square area with single color (such as white) material, the color of the quadrat frame is in sharp contrast with the green of the grassland, which is convenient for identification and identification, and the cover degree in the quadrat frame is estimated by artificial method.
[0003] Patent No. CN201820807693.9, application date is May 26, 2018, discloses a kind of multifunctional portable field grassland monitoring quadrat frame, including sample frame support and hand pole, the sample frame support is provided with four groups, the both ends of the sample frame support are hingedly connected by positioning shaft, sliding slot is evenly opened on the sample frame support, the positioning shaft is hingedly connected with the sample frame support by sliding slot, the hand pole is fixedly installed in the end of sample frame support by pin shaft, scale table is arranged on the hand pole.
[0004] The above-mentioned patent has the advantages of being easy to fold, convenient to carry, small in storage area, suitable for field operation, easy to operate, time-saving and labor-saving, improving field investigation efficiency and reducing investigation cost. It solves the problems of the existing grassland monitoring wire frame, which cannot be disassembled, cannot be folded, is not convenient to carry, cannot measure plant height and is inconvenient to use. However, the height, cover degree and other parameters of grassland vegetation growth cannot be measured. Utility model content
[0005] The utility model solves the technical problem to provide a kind of grassland quadrat frame for unmanned system monitoring, the height, density and other information of grassland vegetation are measured by shooting the image containing grass and quadrat information, so as to monitor the cover degree and grass layer thickness or height and other parameters of grassland.
[0006] The technical solution adopted by the utility model to solve its technical problem is:
[0007] A prairie quadrat for unmanned system monitoring, comprising a quadrat frame connected by four edge bars, the edge bars are provided with a center hole, the side of the center hole is provided with a through hole A and a through hole B, the through hole A is arranged on the same horizontal line with the center hole, the through hole B is arranged on the same vertical line with the center hole, one end of the center hole is connected with a scale through a pin shaft, and the edge bars and the scale are provided with scales.
[0008] The scale is provided with a rotating hole, one end of the pin shaft is connected with the center hole, and the other end is connected with the rotating hole, the two sides of the rotating hole are provided with arc grooves A and B, the arc groove A corresponds to the through hole A, and the arc groove B corresponds to the through hole B.
[0009] One end of the through hole A is connected with a pin A, the other end of the pin A is clamped in the arc groove A, one end of the through hole B is connected with a pin B, and the other end of the pin B is clamped in the arc groove B.
[0010] The edge bars are connected in a tongue and groove structure and are fixed by a pin.
[0011] The scale is arranged on the inner side or the outer side of the edge bar.
[0012] The through hole A, the center hole and the through hole B are arranged at right angles in sequence, and the distance between the center hole and the through hole A and the through hole B is equal.
[0013] The quadrat frame is a square frame with a size of 1*1m. 2 The quadrat frame is a square frame with a size of 1*1m.
[0014] The beneficial effects of the utility model are:
[0015] 1. When the height of grass vegetation needs to be measured, the scale is rotated, the scale is rotated around the center hole, until the arc groove B is completely clamped with the pin B, at this time, the scale is perpendicular to the quadrat frame, and the scale is measured, the scales on the four edge bars can measure the horizontal distance between the grass, and the scales on the scale can measure the height of the grass, so that the image recognition is facilitated, the edge bar and the scale scale information are read to distinguish the distance and the height of the grass, the computer automatic monitoring is adopted, the image containing the grass and the quadrat information is shot to measure the height, density and other information of the grass vegetation, so that the coverage and the grass layer thickness or the height of the grassland are monitored, and the unmanned system collects the quadrat image.
[0016] 2. By the tenon and groove structure connection between the edge bars, it has the advantages of convenient folding, convenient carrying, the square frame has the advantages of convenient disassembly and assembly, simple use, convenient carrying for field operation, the square frame and the scale are adopted, the identification of the sample grass monitoring image of the unmanned system is more convenient, and the scale can be installed at different positions (the same scale mounting hole groups are punched at multiple positions on each edge frame) inside and outside the edge frame, cooperating with the image recognition system, the detection of the sample grass cover and the monitoring of the sample grass growth parameters can be realized, and it is especially suitable for the informatization monitoring of grassland under the unmanned system.
[0017] 3. By the two arc-shaped grooves of the scale, the scale can be conveniently rotated to the bayonet, so that the scale is exactly in the vertical state or the horizontal state, 4-6 scales with different lengths are provided, and different length scales can be selected according to the height of the grass during use. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a perspective view of the utility model.
[0019] Figure 2 It is a top view structural schematic view. Figure 1
[0020] Figure 3 It is a structural schematic view of the edge bar.
[0021] Figure 4 It is a structural schematic view of A in the utility model. Figure 3
[0022] It is a structural schematic view of the scale. Figure 5 In the drawing: 1-square frame; 2-edge bar; 3-center hole; 4-through hole A; 5-through hole B; 6-scale; 7-rotation hole; 8-arc-shaped groove A; 9-arc-shaped groove B; 10-bayonet A; 11-bayonet B.
[0023] DETAILED DESCRIPTION
[0024] The utility model will be further explained in connection with the drawings and examples.
[0025] As shown in the drawing, a grassland sample square frame for unmanned system monitoring, comprising a square frame 1 connected by four edge bars 2, the edge bar 2 is provided with a center hole 3, the side of the center hole 3 is provided with a through hole A 4 and a through hole B 5, the through hole A 4 is arranged on the same horizontal line with the center hole 3, the through hole B 5 is arranged on the same vertical line with the center hole 3, one end of the scale 6 is connected to the center hole 3 through a pin shaft, the edge bar 2 and the scale 6 are all provided with a scale. Figures 1 to 5
[0026] The scale 6 is provided with a rotating hole 7, one end of the pin shaft is connected to the center hole 3, and the other end is connected to the rotating hole 7, and the rotating hole 7 is provided with an arc-shaped slot A 8 and an arc-shaped slot B 9 on both sides, the arc-shaped slot A 8 corresponds to the through hole A 4, and the arc-shaped slot B 9 corresponds to the through hole B 5.
[0027] One end of the through hole A 4 is connected with the latch pin A 10, the other end of the latch pin A 10 is clamped in the arc-shaped slot A 8, one end of the through hole B 5 is connected with the latch pin B 11, and the other end of the latch pin B 11 is clamped in the arc-shaped slot B 9.
[0028] The edge bars 2 are connected by a tenon and groove structure and are fixed by a pin.
[0029] The edge bars 2 are provided with three center holes 3, through holes A 4 and through holes B 5, and are uniformly distributed on the edge bars 2, and the scale is a scale with 4-6 scales.
[0030] The scale 6 is arranged on the inner side or the outer side of the edge bar 2.
[0031] The through hole A 4, the center hole 3 and the through hole B 5 are arranged at right angles in sequence, and the distance between the center hole 3 and the through hole A 4 and the through hole B 5 is equal.
[0032] The square frame 1 is a square frame with a size of 1*1m 2 .
[0033] When the height of grass vegetation needs to be measured, the scale 6 is rotated, the scale 6 rotates around the center hole 3, until the arc-shaped slot B 9 completely clamps the latch pin B 11, at this time, the scale 6 is perpendicular to the square frame 1, and the height of the grass vegetation is measured through the scale 6.
[0034] Through the tenon and groove structure connection between the edge bars 2, it is convenient to fold and carry, the square frame 1 is easy to disassemble and assemble, simple to use, convenient to carry for field operation, the square frame and the scale are adopted, the identification of the image of the unmanned system sample grass monitoring is more convenient, and the scale can be installed at different positions on the inner side and the outer side of the edge frame (the same scale mounting hole group is punched on multiple positions on each edge frame), and the detection of the sample grass cover degree and the monitoring of the sample grass growth parameters can be realized by cooperating with the image recognition system, and it is especially suitable for grassland informatization monitoring under the unmanned system.
[0035] Through the two arc-shaped slots of the scale 6, the scale can be rotated to the latch pin, so that the scale 6 is exactly in a vertical state or a horizontal state, and four to six scales 6 with different lengths are provided, and different lengths of the scale 6 can be selected according to the height of the grass during use.
[0036] The rectangular edge bars 2 with scales are used as the main frame 1, the tenon and groove structure is used between the edge bars 2, and the pins are connected, four edge bars 2 are connected to form the frame 1 of the sample grass frame, the frame 1 is painted in different colors, and is used for the grassland unmanned system monitoring of different coverage points; the scales are marked on the four edge bars 2, so that the scale reference is convenient for image analysis of coverage detection; the center position of the edge bar 2 is drilled (the center hole 3), and the vertical scale 6 is installed, the vertical scale 6 is connected with the edge bar 2 through the pin shaft, the same size limit pin (the pin A 10 and the pin B 11) is installed on the left side and the lower side of the center hole 3, and the limit pin is used for positioning when the scale 6 is placed horizontally and vertically; the vertical or horizontal scale 6 can be selectively installed at the same position of the inner side of the four edge bars 2 according to the requirement, so that the application range of the sample grass frame is larger.
[0037] The scale 6 is installed at the center position of the edge bar 2, the scale 6 is mainly used for measuring the height of the grass in the frame 1, the two sides of the scale 6 have scales, the scale starting position is located at the junction with the edge bar 2, the two arc-shaped grooves (the arc-shaped groove A 8 and the arc-shaped groove B 9) of the scale 6 can be used to rotate the scale to the limit pin (the pin A 10 and the pin B 11), so that the scale 6 is exactly in the vertical state or the horizontal state, and the scale 6 is rotated counterclockwise around the center hole 3, when the arc-shaped groove A 8 is completely clamped with the pin A 10, the scale 6 is in the horizontal state; the scale 6 is rotated clockwise around the center hole 3, when the arc-shaped groove B 9 is completely clamped with the pin B 11, the scale 6 is in the vertical (the scale 6 is perpendicular to the edge bar 2) state, and the height of the grassland vegetation can be measured, generally, 4-6 scales with different lengths are provided, and different lengths of the scale can be selected according to the height of the grass during use.
[0038] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A prairie quadrat for unmanned system monitoring, comprising a quadrangular frame (1) connected by four edge bars (2), characterized in that: The side bar (2) is provided with a center hole (3), the side of the center hole (3) is provided with a through hole A (4) and a through hole B (5), the through hole A (4) is arranged on the same horizontal line with the center hole (3), the through hole B (5) is arranged on the same vertical line with the center hole (3), one end of the center hole (3) is connected with a scale (6) through a pin shaft, and the side bar (2) and the scale (6) are both provided with scales.
2. A prairie quadrat for unmanned system monitoring according to claim 1, wherein; The scale (6) is provided with a rotating hole (7), one end of the pin shaft is connected with the center hole (3), and the other end is connected with the rotating hole (7), the two sides of the rotating hole (7) are provided with an arc-shaped groove A (8) and an arc-shaped groove B (9), the arc-shaped groove A (8) corresponds to the through hole A (4), and the arc-shaped groove B (9) corresponds to the through hole B (5).
3. A prairie quadrat for unmanned system monitoring according to claim 2, wherein; One end of the through hole A (4) is connected with a catch pin A (10), the other end of the catch pin A (10) is clamped in the arc-shaped groove A (8), one end of the through hole B (5) is connected with a catch pin B (11), and the other end of the catch pin B (11) is clamped in the arc-shaped groove B (9).
4. A prairie quadrat for unmanned system monitoring according to claim 1, wherein; The side bar (2) is connected by a tenon and groove structure and is fixed by a pin.
5. A prairie quadrat for unmanned system monitoring according to claim 1, wherein; The scale (6) is arranged on the inner side or the outer side of the side bar (2).
6. A prairie quadrat for unmanned system monitoring according to claim 1, wherein; The through hole A (4), the center hole (3) and the through hole B (5) are arranged at right angles in sequence, and the distance between the center hole (3) and the through hole A (4) and the through hole B (5) is equal.
7. A prairie quadrat for unmanned system monitoring according to claim 1, wherein; The frame (1) is a square frame of 1 x 1 m 2 .
Citation Information
Patent Citations
Open -air meadow monitoring sample prescription frame of multi -functional portable
CN208140391U