Grassland cage buckling device for alpine meadow litter and livestock manure decomposition test

Abstract

The invention discloses a grassland cage buckling device for an alpine meadow litter and livestock manure decomposition test, which is characterized in that a connecting plate is arranged on one side of a cage buckling mechanism, a detection mechanism comprises a detection box body, a movable sampling mechanism and an automatic test mechanism, and the detection box body is arranged at one end of the connecting plate; a movable sampling mechanism is arranged on a connecting plate between the detection box body and the cage buckling mechanism, an automatic testing mechanism is arranged in the detection box body, a main controller is arranged in the detection box body, and an intelligent detection system is arranged in the main controller; by designing the movable sampling mechanism and the automatic testing mechanism, automatic sampling detection can be achieved beside a grassland buckle cage, manual sampling operation is not needed, the operation is very convenient, meanwhile, a spiral fixing rod is obliquely screwed into the ground, a buckle cage frame can be firmly fixed to the ground, and the windproof and anti-collision performance of the device is greatly improved; the interval time of automatic sampling detection of the device can be set through the intelligent detection system, decomposition experiment data can be obtained at the fixed interval time, and the intelligent degree is high.

Description

Technical Field

[0001] The present invention relates to the technical field of ecological research, and particularly to a grassland caging device for litter and livestock manure decomposition experiments in alpine meadows. Background Art

[0002] The alpine meadow is the product of the cold and humid climate caused by the uplift of the Qinghai-Tibet Plateau. It refers to the litter produced by the plant community dominated by cold mesophytic perennial herbs and the decomposition of livestock manure from herders' grazing. The decomposition of litter and manure is an important link in the internal material cycle and energy flow of the grassland ecosystem.

[0003] Due to the large area of the Qinghai-Tibet Plateau region, the detection of litter decomposition in alpine meadows on the Qinghai-Tibet Plateau is a very typical example. The decomposition process of litter and manure is crucial for the protection and restoration of the grassland ecosystem.

[0004] Traditional grassland caging can only enclose and protect the detection and observation plots to prevent damage from grazing. However, for the experimental study of litter and livestock manure decomposition in the internal meadow, manual sampling is still required and brought back to the laboratory for detection. It lacks in-situ monitoring function and cannot achieve on-site automatic sampling and detection. At the same time, the traditional grassland caging is not firmly fixed, resulting in poor wind and collision resistance. Therefore, the present invention proposes a grassland caging device for litter and livestock manure decomposition experiments in alpine meadows to solve the problems existing in the prior art. Summary of the Invention

[0005] Aiming at the above problems, the purpose of the present invention is to propose a grassland caging device for litter and livestock manure decomposition experiments in alpine meadows. This grassland caging device for litter and livestock manure decomposition experiments can achieve automatic sampling and detection beside the grassland caging by designing a mobile sampling mechanism and an automatic testing mechanism, without the need for manual sampling operation, with strong convenience. At the same time, by screwing the spiral fixing rod obliquely into the ground, the caging frame can be firmly fixed on the ground, greatly improving the wind and collision resistance of the device. Through the intelligent detection system, the interval time for automatic sampling and detection of the device can be set, and decomposition experiment data can be obtained at fixed intervals, with a high degree of intelligence.

[0006] To achieve the object of the present invention, the present invention is realized through the following technical solutions: A grassland cage device for alpine meadow litter and livestock manure decomposition experiments, comprising a cage mechanism, a connecting plate, a detection mechanism, a main controller and an intelligent detection system. One side of the cage mechanism is fixedly provided with a connecting plate. The detection mechanism includes a detection box body, a mobile sampling mechanism and an automatic testing mechanism. One end of the connecting plate is provided with a detection box body. A mobile sampling mechanism is arranged on the connecting plate between the detection box body and the cage mechanism. An automatic testing mechanism is arranged in the detection box body. A main controller is arranged in the detection box body. The main controller is built-in with an intelligent detection system, which is used to control the device to automatically sample and detect, identify and upload data such as detection data to the cloud for storage, and give an alarm prompt for abnormal operation of the device. The intelligent detection system includes an identification and analysis module, a data storage module and a monitoring and control module. The identification and analysis module is used to control the device to detect and obtain detection data for identification and analysis. The data storage module is used to upload the acquired data and analysis data to the cloud for storage. The monitoring and control module is used to set the sampling and detection time interval of the device and monitor and alarm for device abnormalities.

[0007] A further improvement lies in that: The cage mechanism includes a cage frame, a partition net, a multispectral micro camera, a fixed cylinder, a spiral fixing rod and a rotating handle. Partition nets are symmetrically arranged on the four sides of the cage frame. A multispectral micro camera is arranged on the upper side of the cage frame. An installation frame is fixedly arranged at the upper end of the cage frame. The multispectral micro camera is fixed in the middle of the installation frame. The multispectral micro camera is data-connected to the intelligent detection system. Fixed cylinders are symmetrically and fixedly arranged at the four corners of the cage frame. The fixed cylinders are arranged obliquely parallel to the four hypotenuses of the cage frame. A spiral fixing rod is rotatably arranged in the fixed cylinder. The upper end of the spiral fixing rod passes through the fixed cylinder and is provided with a rotating handle. By obliquely screwing the spiral fixing rod into the ground, the overall cage frame can be made more stable, improving the wind resistance, anti-collision performance and anti-tipping performance.

[0008] A further improvement lies in that: The lower side frame of one side of the cage frame is fixedly connected to the connecting plate. The side surface of the cage frame is an inclined isosceles trapezoidal frame structure. The bottom of the cage frame is a square structure of 1m×1m. A sampling port is arranged on the partition net of the cage frame on the side of the connecting plate for the mobile sampling mechanism to extend in for sampling.

[0009] A further improvement lies in that: The mobile sampling mechanism includes a mobile rail, a mobile column, a reversing plate, a rotating seat, a horizontal telescopic rod, a vertical telescopic rod and a sampling claw. The connecting plate is fixedly provided with a mobile rail. A mobile column is slidably arranged on the mobile rail. A reversing plate is rotatably arranged at the upper end of the mobile column. A rotating seat is rotatably arranged above one end of the reversing plate. A horizontal telescopic rod is fixedly arranged on the rotating seat. The telescopic end of the horizontal telescopic rod is fixedly provided with a vertical telescopic rod. The telescopic end of the vertical telescopic rod is fixedly provided with a sampling claw facing downwards.

[0010] A further improvement lies in that a push rod is fixedly arranged below the detection box body, the push rod is fixedly connected to the lower part of the moving column, the moving column is rotationally connected to the reversing plate and the reversing plate is rotationally connected to the rotating seat through rotating motors, and a protective cover is arranged on the detection box body.

[0011] A further improvement lies in that the automatic testing mechanism includes a sample adding port, a sample preparation mechanism, a storage tank, a liquid injection nozzle, a machine gripper, a detection test tube, a digestion instrument and a detector. A sample adding port is arranged on one side of the detection box body, a sample preparation mechanism for preparing a sample solution is arranged in the detection box body below the sample adding port, a storage tank is arranged above the detection box body, liquid injection nozzles are distributed below the storage tank, a detection test tube is arranged in the detection box body through a machine gripper, and the machine gripper can move in the detection box and hold and rotate and shake the detection test tube. A digestion instrument and a detector are arranged on the lower side in the detection box body, the digestion instrument is used for digesting the sample solution, and the detector is used for detecting the sample solution.

[0012] A further improvement lies in that the sample preparation mechanism includes an ultrasonic vibration box, a waste liquid discharge pipe and a sample extraction pipe. An ultrasonic vibration box is arranged in the detection box body below the sample adding port, a waste liquid discharge pipe and a sample extraction pipe are symmetrically arranged below the ultrasonic vibration box, the waste liquid discharge pipe and the sample extraction pipe are both controlled by an electric control valve, and the sample extraction pipe is communicated with the storage tank.

[0013] A further improvement lies in that the storage tank is divided into a plurality of independent spaces for storing sample solutions, distilled water and three total phosphorus reagents respectively. The liquid injection nozzles correspond to the independent spaces in the storage tank respectively. Mounting plates are symmetrically arranged below the detection box body through jacking rods, and the digestion instrument and the detector are arranged on the mounting plates.

[0014] A further improvement lies in that the data storage module includes a data uploading sub-module and a cloud storage sub-module. The data uploading sub-module is used for uploading the acquired data and the analyzed data to the cloud, and the cloud storage sub-module is used for storing the acquired data and the analyzed data in the cloud and sending the data to the user terminal according to the user's needs.

[0015] A further improvement lies in that the monitoring and control module includes a detection setting sub-module, a status monitoring sub-module and an alarm reminder sub-module. The detection setting sub-module is used for setting the sampling and detection interval time, the status monitoring sub-module is used for detecting the running status of the device in real time and identifying device anomalies, and the alarm reminder sub-module is used for sending the detected device anomaly alarm information to the user terminal for reminder to view.

[0016] The beneficial effects of the present invention are as follows: By designing a mobile sampling mechanism and an automatic testing mechanism, the present invention can achieve automated sampling and detection beside the grassland cage, without manual operation, which has good convenience. At the same time, by screwing the spiral fixing rod obliquely into the ground, the cage frame can be firmly fixed to the ground, greatly improving the wind and collision resistance of the device;

[0017] Through the intelligent detection system, the interval time for the device to automatically sample and detect can be set. Throughout the experimental period, no on-site manual operation is required. The decomposition experimental data can be obtained at fixed intervals through remote control or automated control, and the equipment failure can be monitored and an alarm can be given. It has a high degree of intelligence and can provide a scientific basis for the sustainable management of alpine meadows. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front sectional view structure diagram of the present invention.

[0019] Figure 2 It is a top view structure diagram of the present invention.

[0020] Figure 3 It is a structure schematic diagram of the cage mechanism of the present invention.

[0021] Wherein: 1, connecting plate; 2, main controller; 3, detection box body; 4, cage frame; 5, partition net; 6, multi-spectral micro camera; 7, fixed cylinder; 8, spiral fixing rod; 9, rotating handle; 10, sampling port; 11, moving rail; 12, moving column; 13, reversing plate; 14, rotating seat; 15, horizontal telescopic rod; 16, vertical telescopic rod; 17, sampling claw; 18, push rod; 19, rotating motor; 20, protective cover; 21, sample adding port; 22, storage box; 23, liquid injection nozzle; 24, machine claw; 25, detection test tube; 26, digester; 27, detector; 28, ultrasonic vibration box; 29, waste liquid discharge pipe; 30, sample extraction pipe; 31, jacking rod; 32, mounting plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In order to deepen the understanding of the present invention, the following will further elaborate on the present invention in combination with embodiments. These embodiments are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.

[0023] According to Figure 1 , Figure 2 and Figure 3As shown in the figure, this embodiment provides a grassland caging device for the decomposition test of alpine meadow litter and livestock manure, which includes a caging mechanism, a connecting plate 1, a detection mechanism, a main controller 2 and an intelligent detection system. One side of the caging mechanism is fixedly provided with a connecting plate 1. The detection mechanism includes a detection box body 3, a mobile sampling mechanism and an automatic testing mechanism. One end of the connecting plate 1 is provided with a detection box body 3. A mobile sampling mechanism is arranged on the connecting plate 1 between the detection box body 3 and the caging mechanism. An automatic testing mechanism is arranged in the detection box body 3. A main controller 2 is arranged in the detection box body 3. The main controller 2 is built-in with an intelligent detection system, which is used to control the device to automatically sample and detect, identify the detected data and then upload it to the cloud for storage, and give an alarm prompt for abnormal operation of the equipment.

[0024] At the same time, a solar panel can also be arranged on the detection box body of the device, and a battery pack can also be arranged in the detection box body to provide electric energy for the operation of the equipment.

[0025] The caging mechanism includes a caging frame 4, a partition net 5, a multispectral micro camera 6, a fixed cylinder 7, a spiral fixing rod 8 and a rotating handle 9. Partition nets 5 are symmetrically arranged on the four sides of the caging frame 4. A multispectral micro camera 6 is arranged on the upper side of the caging frame 4. An installation frame is fixedly arranged at the upper end of the caging frame. The multispectral micro camera is fixed in the middle of the installation frame. The multispectral micro camera 6 is connected to the intelligent detection system for data. Fixed cylinders 7 are symmetrically and fixedly arranged at the four corners of the caging frame 4. The fixed cylinders are arranged obliquely parallel to the four hypotenuses of the caging frame. A spiral fixing rod 8 is rotatably arranged in the fixed cylinder 7. The upper end of the spiral fixing rod 8 passes through the fixed cylinder 7 and is provided with a rotating handle 9. By obliquely screwing the spiral fixing rod into the bottom surface, the overall caging frame can be made more stable, improving the wind resistance, anti-collision performance and anti-tipping performance.

[0026] One side of the lower border of the caging frame 4 is fixedly connected to the connecting plate 1. The side surface of the caging frame 4 is an inclined isosceles trapezoidal frame structure. The bottom of the caging frame is a square structure with a side length of 1m×1m. A sampling port 10 is arranged on the partition net 5 of the caging frame 4 on one side of the connecting plate 1, for the mobile sampling mechanism to extend in for sampling. The mesh holes of the partition net are diamond-shaped structures with a pore diameter of 7cm, preventing livestock and other small animals from entering and damaging.

[0027] The mobile sampling mechanism includes a mobile rail 11, a mobile column 12, a reversing plate 13, a rotating seat 14, a horizontal telescopic rod 15, a vertical telescopic rod 16 and a sampling claw 17. The mobile rail 11 is fixedly arranged on the connecting plate 1. The mobile column 12 is slidably arranged on the mobile rail 11. The upper end of the mobile column 12 is rotatably provided with a reversing plate 13. A rotating seat 14 is rotatably arranged above one end of the reversing plate 13. The horizontal telescopic rod 15 is fixedly arranged on the rotating seat 14. The telescopic end of the horizontal telescopic rod 15 is fixedly provided with a vertical telescopic rod 16. The telescopic end of the vertical telescopic rod 16 is fixedly provided with a sampling claw 17 downward.

[0028] A push rod 18 is fixedly arranged at the lower part inside the detection box body 3. The push rod 18 is fixedly connected to the lower part of the moving column 12. The moving column 12 and the reversing plate 13, as well as between the reversing plate 13 and the rotating seat 14, are rotationally connected through a rotating motor 19. A protective cover 20 is arranged on the detection box body 3.

[0029] Sampling process: First, the push rod pushes the moving column to slowly approach the cage buckling mechanism along the moving rail. During this period, the rotating motor between the moving column and the reversing plate drives the reversing plate to rotate and reverse, with one end of the sampling claw facing the sampling port. After the reversing plate extends into the cage buckling mechanism through the sampling port, the multi-spectral micro camera identifies the positions of meadow litter and livestock manure. The position of the sampling claw is controlled by adjusting the rotation of the rotating motor between the reversing plate and the rotating seat and the telescopic movement of the horizontal telescopic rod. After reaching directly above the specified position, the vertical telescopic rod drives the sampling claw to descend to clamp a small amount of samples and then retracts. Then, the retracted push rod drives the moving column and the upper structure to reset. Next, the rotating motor drives the reversing plate to turn to the side of the detection box, and the sampling claw puts the samples into the automatic testing mechanism for automatic detection;

[0030] At the same time, it is also possible to sample and detect the soil in the area covered by the cage frame to obtain parameters such as the humidity of the soil surface layer. The sampling process is the same as the above process.

[0031] The automatic testing mechanism includes a sample adding port 21, a sample preparation mechanism, a storage tank 22, a liquid injection nozzle 23, a machine claw 24, a detection test tube 25, a digestion instrument 26, and a detector 27. A sample adding port 21 is arranged on one side of the detection box body 3. Inside the detection box body 3 below the sample adding port 21, a sample preparation mechanism is arranged for preparing a sample solution. Above the detection box body 3, a storage tank 22 is arranged, and liquid injection nozzles 23 are distributed below the storage tank 22. Inside the detection box body 3, a detection test tube 25 is arranged through a machine claw 24. The machine claw can move inside the detection box and hold the detection test tube to rotate and shake. A digestion instrument 26 and a detector 27 are arranged on the lower side inside the detection box body 3. The digestion instrument is used for digesting the sample solution, and the detector is used for detecting the sample solution.

[0032] The sample preparation mechanism includes an ultrasonic vibration box 28, a waste liquid discharge pipe 29, and a sample extraction pipe 30. An ultrasonic vibration box 28 is arranged inside the detection box body 3 below the sample adding port 21. Symmetrically below the ultrasonic vibration box 28, a waste liquid discharge pipe 29 and a sample extraction pipe 30 are arranged. Both the waste liquid discharge pipe 29 and the sample extraction pipe 30 are controlled by an electric control valve. The sample extraction pipe 30 is communicated with the storage tank 22.

[0033] The storage tank 22 is divided into multiple independent spaces that store sample solutions, distilled water, and three total phosphorus reagents respectively. The liquid injection nozzles 23 correspond to the independent spaces inside the storage tank 22 respectively. Below the detection box body 3, mounting plates 32 are symmetrically arranged through lifting rods 31. The digestion instrument 26 and the detector 27 are arranged on the mounting plates 32.

[0034] The specific detection process is as follows: The sample dropped by the sampling claw falls into the ultrasonic vibration box. Then, the machine claw drives the detection test tube to move under the liquid injection nozzle of distilled water, takes a certain amount of distilled water, and moves above the ultrasonic vibration box to pour the distilled water into the ultrasonic vibration box. The ultrasonic vibration box is started to disperse the sample into the distilled water to prepare a sample solution. The sample solution is quantitatively extracted into the storage tank through the sample extraction tube, and the remaining sample solution is discharged through the waste liquid discharge pipe to complete the preparation of the sample solution;

[0035] Then, distilled water is injected into the detection test tube through the liquid injection nozzle of distilled water, shaken and cleaned, and then poured into the ultrasonic vibration box and discharged through the waste liquid discharge pipe. This is repeated many times to complete the cleaning of the ultrasonic vibration box and the detection test tube;

[0036] Subsequently, it enters the detection step. First, a certain amount of distilled water is injected into the detection test tube, and then the first total phosphorus reagent (A) is added through the liquid injection nozzle. The machine claw rotates slightly to shake it evenly, and then it is placed in a digestion instrument for digestion treatment. After digestion is completed, it is taken out by the machine claw and cooled to room temperature. Then, the second total phosphorus reagent (B) is added through the liquid injection nozzle, and the machine claw rotates slightly to shake it evenly. Finally, the third total phosphorus reagent (C) is added through the liquid injection nozzle. After standing and reacting, it is placed in a detector for detection as a control sample. After detection is completed, the liquid in the detection test tube is poured into the ultrasonic vibration box and discharged through the waste liquid discharge pipe; Subsequently, the detection test tube is cleaned with distilled water, and the sample solution with the same volume as the distilled water of the control sample is added again. Then, the above steps are repeated for the detection of the sample solution. After detection is completed, the test tube is cleaned to obtain detection data, which is uploaded to the cloud for storage through the intelligent detection system in the main controller.

[0037] The intelligent detection system includes an identification and analysis module, a data storage module, and a monitoring and control module. The identification and analysis module is used to control the equipment to perform detection, obtain detection data, and perform identification and analysis. The detection data includes the quality of the sample, the content of carbon, nitrogen, and phosphorus, the vegetation height, density, and coverage, etc. The data storage module is used to upload the obtained data and analysis data to the cloud for storage. The monitoring and control module is used to set the sampling and detection time interval of the equipment and monitor and alarm for equipment abnormalities.

[0038] The data storage module includes a data upload sub-module and a cloud storage sub-module. The data upload sub-module is used to upload the obtained data and analysis data to the cloud. The cloud storage sub-module is used to store the obtained data and analysis data in the cloud and send the data to the user terminal according to the user's needs.

[0039] The monitoring and control module includes a detection setting sub-module, a status monitoring sub-module, and an alarm reminder sub-module. The detection setting sub-module is used to set the sampling detection interval time. Specifically, the interval time can be set by the operator himself, which is flexible and free. For example, it can be set to automatically sample and detect on the 0th day, 180th day, 360th day, 540th day, and 720th day respectively. The status monitoring sub-module is used to detect the running status of the device in real time and identify device anomalies. The alarm reminder sub-module is used to send the detected device anomaly alarm information to the user side for reminder to view.

[0040] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A grassland caging device for the decomposition experiment of alpine meadow litter and livestock manure, characterized in that: It includes a cage buckling mechanism, a connecting plate (1), a detection mechanism, a main controller (2) and an intelligent detection system. A connecting plate (1) is provided on one side of the cage buckling mechanism. The detection mechanism includes a detection box body (3), a mobile sampling mechanism and an automatic testing mechanism. A detection box body (3) is provided at one end of the connecting plate (1). A mobile sampling mechanism is provided on the connecting plate (1) between the detection box body (3) and the cage buckling mechanism. An automatic testing mechanism is provided inside the detection box body (3). A main controller (2) is provided in the detection box body (3). The main controller (2) is built-in with an intelligent detection system. The intelligent detection system includes an identification and analysis module, a data storage module and a monitoring and control module. The identification and analysis module is used to control the device to perform detection, obtain detection data and perform identification and analysis. The data storage module is used to upload the acquired data and analysis data to the cloud for storage. The monitoring and control module is used to set the sampling and detection time interval of the device and monitor and alarm for device abnormalities.

2. The grassland caging device for the decomposition experiment of alpine meadow litter and livestock manure according to claim 1, characterized in that: The cage buckling mechanism includes a cage buckling frame (4), a partition net (5), a multispectral micro camera (6), a fixed cylinder (7), a spiral fixing rod (8) and a rotating handle (9). Partition nets (5) are symmetrically provided on four sides of the cage buckling frame (4). A multispectral micro camera (6) is provided on the upper side of the cage buckling frame (4). The multispectral micro camera (6) is data-connected to the intelligent detection system. Fixed cylinders (7) are symmetrically provided at the four corners of the cage buckling frame (4). A spiral fixing rod (8) is provided inside the fixed cylinder (7). The upper end of the spiral fixing rod (8) passes through the fixed cylinder (7) and is provided with a rotating handle (9).

3. The grassland caging device for the decomposition experiment of alpine meadow litter and livestock manure according to claim 2, characterized in that: One side of the lower border of the cage buckling frame (4) is connected to the connecting plate (1). The side surface of the cage buckling frame (4) is an inclined isosceles trapezoidal frame structure. The bottom of the cage buckling frame (4) is a square structure with a size of 1m×1m. A sampling port (10) is provided on the partition net (5) of the cage buckling frame (4) on one side of the connecting plate (1).

4. A grassland caging device for decomposing litter and livestock manure in alpine meadows according to claim 1, characterized in that: The mobile sampling mechanism includes a mobile rail (11), a mobile column (12), a reversing plate (13), a rotating seat (14), a horizontal telescopic rod (15), a vertical telescopic rod (16) and a sampling claw (17). A mobile rail (11) is provided on the connecting plate (1). A mobile column (12) is provided on the mobile rail (11). A reversing plate (13) is provided at the upper end of the mobile column (12). A rotating seat (14) is provided above one end of the reversing plate (13). A horizontal telescopic rod (15) is provided on the rotating seat (14). The telescopic end of the horizontal telescopic rod (15) is provided with a vertical telescopic rod (16). The telescopic end of the vertical telescopic rod (16) faces downward and is provided with a sampling claw (17).

5. A grassland caging device for the decomposition experiment of alpine meadow litter and livestock manure according to claim 4, characterized in that: A push rod (18) is provided below the detection box body (3). The push rod (18) is fixedly connected to the lower part of the mobile column (12). The mobile column (12) and the reversing plate (13) and the reversing plate (13) and the rotating seat (14) are all rotationally connected through a rotating motor (19). A protective cover (20) is provided on the detection box body (3).

6. The grassland caging device for the decomposition experiment of alpine meadow litter and livestock manure according to claim 1, wherein: The automatic testing mechanism includes a sample loading port (21), a sample preparation mechanism, a storage tank (22), a liquid injection nozzle (23), a machine gripper (24), a detection test tube (25), a digestion instrument (26) and a detector (27). A sample loading port (21) is provided on one side of the detection box body (3). A sample preparation mechanism is provided in the detection box body (3) below the sample loading port (21). A storage tank (22) is provided above the detection box body (3). Liquid injection nozzles (23) are distributed below the storage tank (22). A detection test tube (25) is provided in the detection box body (3) by means of a machine gripper (24). A digestion instrument (26) and a detector (27) are provided on the lower side in the detection box body (3).

7. A grassland caging device for the decomposition experiment of alpine meadow litter and livestock manure according to claim 6, characterized in that: The sample preparation mechanism includes an ultrasonic vibration box (28), a waste liquid discharge pipe (29) and a sample extraction pipe (30). An ultrasonic vibration box (28) is provided in the detection box body (3) below the sample loading port (21). A waste liquid discharge pipe (29) and a sample extraction pipe (30) are symmetrically provided below the ultrasonic vibration box (28). Both the waste liquid discharge pipe (29) and the sample extraction pipe (30) are controlled by an electric control valve. The sample extraction pipe (30) is communicated with the storage tank (22).

8. A grassland caging device for alpine meadow litter and livestock manure decomposition experiments according to claim 6, characterized in that: The storage tank (22) is partitioned into a plurality of independent spaces for storing sample liquid, distilled water and three total phosphorus reagents respectively. The liquid injection nozzles (23) correspond to the independent spaces in the storage tank (22) respectively. Mounting plates (32) are symmetrically provided on the lower side in the detection box body (3) through lifting rods (31). The digestion instrument (26) and the detector (27) are arranged on the mounting plates (32).

9. The grassland caging device for the decomposition experiment of alpine meadow litter and livestock manure according to claim 1, wherein: The data storage module includes a data uploading sub-module and a cloud storage sub-module. The data uploading sub-module is used for uploading the acquired data and the analyzed data to the cloud. The cloud storage sub-module is used for storing the acquired data and the analyzed data in the cloud and sending the data to the user terminal according to the user's needs.

10. A grassland caging device for the decomposition experiment of alpine meadow litter and livestock manure according to claim 1, characterized in that: The monitoring and control module includes a detection setting sub-module, a status monitoring sub-module and an alarm reminder sub-module. The detection setting sub-module is used for setting the sampling detection interval time. The status monitoring sub-module is used for detecting the running status of the device in real time and identifying device abnormalities. The alarm reminder sub-module is used for sending the detected device abnormality alarm information to the user terminal for reminder to check.

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