Model box of simulation test device for water and soil conservation

Abstract

The invention provides a model box of a simulation test device for water and soil conservation. The model box comprises a model box body, according to the model box of the simulation test device for water and soil conservation, different rainfall intensities such as light rain, medium rain and heavy rain can be accurately simulated through the large spray pipe, the medium drain pipe and the small drain pipe in combination with a pressure control system, and parameters such as raindrop particle size distribution and rainfall uniformity meet related standard requirements; in the runoff monitoring part, an electromagnetic flowmeter and a turbidity sensor work cooperatively, runoff and sand content changes are monitored in real time with high precision, the data acquisition frequency per second ensures complete recording of a dynamic process, the water and soil loss process of a vegetation area under different rainfall intensities can be systematically simulated, and the water and soil loss rate is improved. Reliable data support is provided for water and soil conservation mechanism research and prevention and control measure optimization, the accuracy and practicability of the test are remarkably improved, and high-precision multi-scene simulation and data monitoring capabilities are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of soil and water conservation, in particular to a model box of a simulation test device for soil and water conservation. Background Art

[0002] Soil and water conservation is an important measure to prevent and control soil erosion, protect and rationally utilize soil and water resources. Simulation test is a key means to study the mechanism of soil and water conservation.

[0003] Existing soil and water conservation simulation experimental devices use artificial rainfall devices to simulate rainfall, but the discharge flow of rainfall can only be controlled by the discharge time. It is impossible to adjust the drainage volume at the moment of rainfall, and it is impossible to simulate soil and water erosion during light rain, moderate rain and heavy rain. The climate simulation function is limited and it is impossible to accurately control environmental parameters such as rainfall intensity, and its practicality is poor.

[0004] Therefore, it is necessary to provide a model box for a simulation test device for soil and water conservation to solve the above technical problems. Summary of the Invention

[0005] The present invention provides a model box for a simulation test device for soil and water conservation, which solves the problem that the existing soil and water conservation simulation test device simulates rainfall through an artificial rainfall device, has limited climate simulation function, and cannot accurately control environmental parameters such as rainfall intensity.

[0006] In order to solve the above technical problems, the present invention provides a model box for a simulation test device for soil and water conservation, comprising: a simulation box body; A rainfall simulation device, the rainfall simulation device is fixedly mounted on the top of the interior of the model box, the rainfall simulation device includes a water box, a first fixed block, a first threaded rod, an adjustment block and a large nozzle, the water box is fixedly mounted on the top of the interior of the model box, two first fixed blocks are fixedly mounted on both sides of the front of the water box, the first threaded rod is rotatably mounted on one side of the first fixed block, the adjustment block is fixedly mounted on one end of the first threaded rod, and multiple large nozzles are fixedly mounted on the bottom of the water box; An adjusting component is arranged at the bottom of the rainfall simulation device, and the adjusting component includes a first threaded block, an extension block, a connecting block, a blocking plate, a second fixed block, a second threaded rod, an adjustment block, a second threaded block, a movable plate, a small drain pipe and a medium drain pipe. Multiple first threaded blocks are threadedly engaged with the outer surface of the first threaded rod, the extension block is fixedly connected to the bottom of the rear side of the first threaded block, the connecting block is fixedly installed on the rear side of the extension block, two blocking plates are respectively fixedly installed on both sides of the outer surface of the connecting block, two second fixed blocks are respectively fixedly installed on both sides of the front of the blocking plate, multiple medium-sized drain pipes are equidistantly fixedly installed at the bottom of the blocking plate, the second threaded rod is rotatably installed in the middle of one side of the second fixed block, the adjustment block is fixedly installed at one end of the second threaded rod, the second threaded block is threadedly engaged with the outer surface of the second threaded block, the movable plate is fixedly connected to the bottom of the second threaded block, and the bottom of multiple small drain pipes.

[0007] Preferably, a water tank is fixedly installed on one side of the top of the model box body, a water inlet pipe is fixedly installed on the top of the water tank, a water outlet pipe is provided on one side of the outer surface of the water tank through a water pump, and the bottom end of the water outlet pipe extends to the interior of the water box.

[0008] Preferably, a simulated slope is provided on one side of the bottom of the interior of the model box, and a simulated vegetation area is provided on the other side of the bottom of the interior of the model box.

[0009] Preferably, a runoff monitoring component is provided at the bottom of the front face of the model box, a drain pipe is fixedly connected to one side of the runoff monitoring component, and an electromagnetic flowmeter and a turbidity sensor are respectively provided on both sides of the surface of the drain pipe.

[0010] Preferably, an electric distribution box and a data processing terminal are provided on the right side of the outer surface of the model box.

[0011] Preferably, an exhaust device is fixedly installed on the rear side of the outer surface of the model box, and a guiding device is provided on the front side of the exhaust device.

[0012] Preferably, a moisture sensor, a pH sensor, and a conductivity sensor are provided in the soil layer of the simulated vegetation area, and the sensor signals are sent to the data processing terminal via a wireless transmission module.

[0013] Preferably, a retention groove is opened in the middle of the top of the runoff monitoring component, and third fixed blocks are fixedly installed on both sides of the top of the runoff monitoring component. A third threaded rod is rotatably installed between the two third fixed blocks, and one end of the third threaded rod is fixedly connected to a driving member.

[0014] Preferably, the outer surface of the third threaded rod is threadedly engaged with a third threaded block, one side of the third threaded block is provided with a connecting block via a bolt, the bottom of the connecting block is fixedly connected to a salvage box, and a storage slot is provided in the middle of one side of the salvage box.

[0015] Preferably, the driving member adopts a servo motor structure.

[0016] Compared with the related art, the model box of the simulation test device for soil and water conservation provided by the present invention has the following beneficial effects: The present invention provides a model box of a simulation test device for soil and water conservation. Through a large nozzle, a medium-sized drain pipe and a small drain pipe, combined with a pressure control system, it can accurately simulate different rainfall intensities such as light rain, moderate rain and heavy rain. Its parameters such as raindrop particle size distribution and rainfall uniformity meet the requirements of relevant standards, and a high degree of restoration of natural rainfall conditions is achieved. In the runoff monitoring component, the electromagnetic flowmeter and the turbidity sensor work together to monitor the runoff volume and sand content changes in real time with high precision. The data acquisition frequency per second ensures a complete record of the dynamic process. It can systematically simulate the soil and water loss process in vegetation areas under different rainfall intensities, provide reliable data support for soil and water conservation mechanism research and optimization of prevention and control measures, significantly improve the accuracy and practicality of the test, and have high-precision multi-scene simulation and data monitoring capabilities. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a first embodiment of a model box of a simulation test device for soil and water conservation provided by the present invention; Figure 2 for Figure 1 The model box shown is a bottom view; Figure 3 for Figure 2 The schematic diagram of the rainfall simulation device shown; Figure 4 for Figure 2 An enlarged schematic diagram of point A is shown; Figure 5 for Figure 1 The rear view of the model box shown; Figure 6 A schematic structural diagram of a second embodiment of a model box of a simulation test device for soil and water conservation provided by the present invention; Figure 7 for Figure 6 An enlarged schematic diagram of point B is shown.

[0018] Numbers in the figure: 1, model box, 2, simulated slope, 3, simulated vegetation area, 4, water tank, 5, water inlet pipe, 6, water outlet pipe, 7, rainfall simulation equipment, 71, water box, 72, first fixed block, 73, first threaded rod, 74, adjustment block, 75, large nozzle, 8, adjustment component, 81, first threaded block, 82, extension block, 83, connecting block, 84, blocking plate, 85, second fixed block, 86, second threaded rod, 87, adjustment block, 88, second threaded rod Pattern block, 89, movable plate, 810, small drain pipe, 811, medium drain pipe, 9, runoff monitoring component, 10, drain pipe, 11, electromagnetic flowmeter, 12, turbidity sensor, 13, electrical distribution box, 14, data processing terminal, 15, guiding device, 16, exhaust equipment, 17, third fixed block, 18, driving member, 19, third threaded rod, 20, third threaded block, 21, connecting block, 22, salvage box, 23, storage tank, 24, retention tank. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] First embodiment Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a first embodiment of a model box of a simulation test device for soil and water conservation provided by the present invention; Figure 2 for Figure 1 The model box shown is a bottom view; Figure 3 for Figure 2 The schematic diagram of the rainfall simulation device shown; Figure 4 for Figure 2 An enlarged schematic diagram of point A is shown; Figure 5 for Figure 1 The model box is shown as a rear view diagram. A model box for a simulation test device for soil and water conservation comprises: a simulation box 1; A rainfall simulation device 7 is fixedly mounted on the top of the model box 1. The rainfall simulation device 7 includes a water box 71, a first fixed block 72, a first threaded rod 73, an adjustment block 74, and a large nozzle 75. The water box 71 is fixedly mounted on the top of the model box 1. Two first fixed blocks 72 are fixedly mounted on both sides of the front of the water box 71. The first threaded rod 73 is rotatably mounted on one side of the first fixed block 72. The adjustment block 74 is fixedly mounted on one end of the first threaded rod 73. Multiple large nozzles 75 are fixedly mounted on the bottom of the water box 71. The adjusting component 8 is arranged at the bottom of the rainfall simulation device 7, and the adjusting component 8 includes a first threaded block 81, an extension block 82, a connecting block 83, a blocking plate 84, a second fixed block 85, a second threaded rod 86, an adjustment block 87, a second threaded block 88, a movable plate 89, a small drain pipe 810 and a medium drain pipe 811. The plurality of first threaded blocks 81 are threadedly engaged with the outer surface of the first threaded rod 73, the extension block 82 is fixedly connected to the bottom of the rear side of the first threaded block 81, the connecting block 83 is fixedly installed on the rear side of the extension block 82, and the two blocking plates 81 are fixedly mounted on the rear side of the extension block 82. 4 are respectively fixedly mounted on both sides of the outer surface of the connecting block 83, two second fixed blocks 85 are respectively fixedly mounted on both sides of the front of the blocking plate 84, a plurality of the medium-sized drain pipes 811 are equidistantly fixedly mounted on the bottom of the blocking plate 84, the second threaded rod 86 is rotatably mounted in the middle of one side of the second fixed block 85, the adjustment block 87 is fixedly mounted on one end of the second threaded rod 86, the second threaded block 88 is threadedly engaged with the outer surface of the second threaded block 86, the movable plate 89 is fixedly connected to the bottom of the second threaded block 88, and the bottom of a plurality of the small drain pipes 810.

[0021] A water tank 4 is fixedly installed on one side of the top of the model box body 1, and a water inlet pipe 5 is fixedly installed on the top of the water tank 4. A water outlet pipe 6 is provided on one side of the outer surface of the water tank 4 through a water pump, and the bottom end of the water outlet pipe 6 extends to the inside of the water box 71.

[0022] A simulated slope 2 is provided on one side of the bottom of the model box 1 , and a simulated vegetation area 3 is provided on the other side of the bottom of the model box 1 .

[0023] A runoff monitoring component 9 is provided at the bottom of the front of the model box 1 , a drainage pipe 10 is fixedly connected to one side of the runoff monitoring component 9 , and an electromagnetic flowmeter 11 and a turbidity sensor 12 are respectively provided on both sides of the surface of the drainage pipe 10 .

[0024] An electric distribution box 13 and a data processing terminal 14 are provided on the right side of the outer surface of the model box 1 .

[0025] An exhaust device 16 is fixedly installed on the rear side of the outer surface of the model box 1 , and a guide device 15 is provided on the front side of the exhaust device 16 .

[0026] A moisture sensor, a pH sensor, and an electrical conductivity sensor are provided in the soil layer of the simulated vegetation area 3 , and the sensor signals are sent to the data processing terminal 14 via a wireless transmission module.

[0027] The exhaust device 16 is used to simulate the flow of air, and a wind speed regulator is provided in the guiding device 15, which can simulate a wind speed of 0-15m / s.

[0028] The working principle of the model box of the simulation test device for soil and water conservation provided by the present invention is as follows: When working, first, water is filled into the water box 71 through the water tank 4 and the water outlet pipe 6, and water is sprayed downward from the large nozzle 75 to simulate heavy rain. When the degree of rainfall needs to be adjusted, the adjusting block 74 is rotated to drive the first threaded rod 73 to rotate. The first threaded rod 73 rotates to engage the first threaded block 81, and the first threaded block 81 slides on the surface of the water box 71. The adjusting component 8 slides to the right as a whole, so that the blocking plate 84 blocks the bottom of the large nozzle 75, and the medium drainage pipe 811 moves to the bottom of the large nozzle 75. The medium drainage pipe 811 is connected to the large nozzle 75, reducing the diameter of the drainage pipe, so that the rainwater is reduced to simulate moderate rain. The adjusting block 87 is rotated to drive the second threaded rod 86 to rotate. The second threaded rod 86 rotates to engage the second threaded block 88 to drive the movable plate 89 to slide on the bottom of the blocking plate 84, so that the movable plate 89 blocks the medium drainage pipe 811, and the small drainage pipe 810 is connected to the medium drainage pipe 811, reducing the rainwater discharge volume to simulate light rain.

[0029] Compared with the related art, the model box of the simulation test device for soil and water conservation provided by the present invention has the following beneficial effects: The present invention provides a model box of a simulation test device for soil and water conservation. Through a large nozzle 75, a medium-sized drain pipe 811 and a small drain pipe 810, combined with a pressure control system, it can accurately simulate different rainfall intensities such as light rain, moderate rain and heavy rain. Its parameters such as raindrop particle size distribution and rainfall uniformity meet the requirements of relevant standards, achieving a high degree of restoration of natural rainfall conditions. In the runoff monitoring component 9, the electromagnetic flowmeter 11 and the turbidity sensor 12 work together to monitor the runoff volume and sediment content changes in real time with high precision. The data acquisition frequency per second ensures a complete record of the dynamic process, and can systematically simulate the soil and water loss process in vegetation areas under different rainfall intensities, providing reliable data support for soil and water conservation mechanism research and optimization of prevention and control measures, significantly improving the accuracy and practicality of the test, and having high-precision multi-scene simulation and data monitoring capabilities.

[0030] Second embodiment Please refer to Figure 6 and Figure 7 Based on the model box of a simulation test device for soil and water conservation provided in the first embodiment of this application, the second embodiment of this application provides another model box of a simulation test device for soil and water conservation. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0031] Specifically, the difference of the model box of the simulation test device for soil and water conservation provided in the second embodiment of the present application is that a retention groove 24 is opened in the middle of the top of the runoff monitoring component 9, and third fixed blocks 17 are fixedly installed on both sides of the top of the runoff monitoring component 9, and a third threaded rod 19 is rotatably installed between the two third fixed blocks 17, and one end of the third threaded rod 19 is fixedly connected to a driving member 18.

[0032] The outer surface of the third threaded rod 19 is threadedly engaged with a third threaded block 20. A connecting block 21 is provided on one side of the third threaded block 20 via bolts. A salvage box 22 is fixedly connected to the bottom of the connecting block 21. A storage slot 23 is provided in the middle of one side of the salvage box 22.

[0033] The driving member 18 adopts a servo motor structure.

[0034] The working principle of the model box of the simulation test device for soil and water conservation provided by the present invention is as follows: At work, first of all.

[0035] Compared with the related art, the model box of the simulation test device for soil and water conservation provided by the present invention has the following beneficial effects: The present invention provides a model box for a simulation test device for soil and water conservation. Through the innovatively designed cooperation structure of a salvage box 22 and a retention trough 24, efficient maintenance and resource recycling of a runoff monitoring system in a soil and water conservation test are achieved. The salvage box adopts a slidable modular design and can be conveniently moved horizontally in the retention trough of the runoff monitoring component. The device can effectively collect solid matter such as silt deposited in the runoff monitoring component 9. Through the sliding cleaning operation of the salvage box 22, deposited pollutants can be accurately removed, ensuring that the runoff monitoring system maintains a high-precision operating state for a long time. In addition, the salvaged and collected silt can be reused in the simulated vegetation area, building a closed-loop system of "monitoring-recycling-reuse", which not only reduces the discharge of experimental waste, but also significantly improves the recycling rate of soil resources, conforms to the scientific research concept of green environmental protection, and provides a sustainable experimental solution for soil and water conservation research.

[0036] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A model box for a simulation test device for soil and water conservation, characterized in that: include: Model box; A rainfall simulation device, the rainfall simulation device is fixedly mounted on the top of the interior of the model box, the rainfall simulation device includes a water box, a first fixed block, a first threaded rod, an adjustment block and a large nozzle, the water box is fixedly mounted on the top of the interior of the model box, two first fixed blocks are fixedly mounted on both sides of the front of the water box, the first threaded rod is rotatably mounted on one side of the first fixed block, the adjustment block is fixedly mounted on one end of the first threaded rod, and multiple large nozzles are fixedly mounted on the bottom of the water box; An adjusting component is arranged at the bottom of the rainfall simulation device, and the adjusting component includes a first threaded block, an extension block, a connecting block, a blocking plate, a second fixed block, a second threaded rod, an adjustment block, a second threaded block, a movable plate, a small drain pipe and a medium drain pipe. Multiple first threaded blocks are threadedly engaged with the outer surface of the first threaded rod, the extension block is fixedly connected to the bottom of the rear side of the first threaded block, the connecting block is fixedly installed on the rear side of the extension block, two blocking plates are respectively fixedly installed on both sides of the outer surface of the connecting block, two second fixed blocks are respectively fixedly installed on both sides of the front of the blocking plate, multiple medium-sized drain pipes are equidistantly fixedly installed at the bottom of the blocking plate, the second threaded rod is rotatably installed in the middle of one side of the second fixed block, the adjustment block is fixedly installed at one end of the second threaded rod, the second threaded block is threadedly engaged with the outer surface of the second threaded block, the movable plate is fixedly connected to the bottom of the second threaded block, and the bottom of multiple small drain pipes.

2. The model box of the simulation test device for soil and water conservation according to claim 1, characterized in that: A water tank is fixedly installed on one side of the top of the model box body, a water inlet pipe is fixedly installed on the top of the water tank, a water outlet pipe is provided on one side of the outer surface of the water tank through a water pump, and the bottom end of the water outlet pipe extends to the interior of the water box.

3. The model box of the simulation test device for soil and water conservation according to claim 1, characterized in that: A simulated slope is provided on one side of the bottom of the model box, and a simulated vegetation area is provided on the other side of the bottom of the model box.

4. The model box of the simulation test device for soil and water conservation according to claim 1, characterized in that: A runoff monitoring component is provided at the bottom of the front face of the model box, a drainage pipe is fixedly connected to one side of the runoff monitoring component, and an electromagnetic flowmeter and a turbidity sensor are respectively provided on both sides of the surface of the drainage pipe.

5. The model box of the simulation test device for soil and water conservation according to claim 3, characterized in that: An electric distribution box and a data processing terminal are arranged on the right side of the outer surface of the model box.

6. The model box of the simulation test device for soil and water conservation according to claim 1, characterized in that: An exhaust device is fixedly installed on the rear side of the outer surface of the model box, and a guiding device is provided on the front side of the exhaust device.

7. The model box of the simulation test device for soil and water conservation according to claim 5, characterized in that: A moisture sensor, a pH sensor, and a conductivity sensor are provided in the soil layer of the simulated vegetation area, and the sensor signals are sent to the data processing terminal via a wireless transmission module.

8. The model box of the simulation test device for soil and water conservation according to claim 4, characterized in that: A retention groove is provided in the middle of the top of the runoff monitoring component, and third fixed blocks are fixedly installed on both sides of the top of the runoff monitoring component. A third threaded rod is rotatably installed between the two third fixed blocks, and one end of the third threaded rod is fixedly connected to a driving member.

9. The model box of the simulation test device for soil and water conservation according to claim 8, characterized in that: The outer surface of the third threaded rod is threadedly engaged with a third threaded block, one side of the third threaded block is provided with a connecting block via a bolt, the bottom of the connecting block is fixedly connected to a salvage box, and a storage slot is provided in the middle of one side of the salvage box.

10. The model box of the simulation test device for soil and water conservation according to claim 8, characterized in that: The driving component adopts a servo motor structure.

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