An experimental device for the response of groundwater level changes to the ecological environment

Abstract

The invention belongs to the field of groundwater level measurement, and specifically relates to an experimental device for the response of groundwater level changes to ecological environment, comprising a shell, an underground environmental experiment box is fixedly connected to the bottom end of the inner wall of the shell, a first water tank is fixedly connected to the bottom end of the inner wall of the shell located on the side of the environmental experiment box, a first pump body is fixedly connected to the side end of the first water tank, a liquid outlet pipe is fixedly connected to the first pump body, a first liquid distribution pipe is fixedly connected to the end of the liquid outlet pipe, a liquid inlet pipe is equidistantly fixedly connected to the first liquid distribution pipe, the liquid inlet pipe is connected to the underground environmental experiment box, a liquid outlet pipe is fixedly connected to the side end of the underground environmental experiment box, a second flow meter is arranged on the liquid outlet pipe, a partition is arranged near the upper part of the shell, two fans are fixedly connected to the partition, the groundwater depth in the underground environmental experiment box can be measured in real time by the groundwater level measuring device, the position of the floating permanent magnet is measured by a position sensor, and the groundwater depth in the underground environmental experiment box can be monitored in real time.

Description

Technical Field

[0001] The invention belongs to the field of groundwater level measurement, and in particular relates to an experimental device for the response of groundwater level changes to the ecological environment. Background Art

[0002] In recent years, the development and utilization of groundwater resources have played an important role in social and economic development. Therefore, a scientific and systematic groundwater monitoring will play a very important role in the development and utilization of water resources. Moreover, the experience accumulated from monitoring data can also provide a powerful method for the protection of water resources in the future. Therefore, comprehensively improving the modernization level of groundwater monitoring and forecasting will be a huge challenge and task we face. In the context of the era of greatly improved requirements for engineering technology, doing a good job in efficient groundwater monitoring is an important part of my country's engineering exploration. It is widely used in deep water pressure measurement and water level measurement in water level pipes for various mining, reservoir dams, tailings ponds, roadbeds, slopes, tunnels and other projects.

[0003] In the existing experimental device for the response of groundwater level changes to the ecological environment, the change curve of the groundwater level cannot be detected in real time, and the environmental changes cannot be accurately simulated, which is not conducive to reflecting the actual response of the groundwater level to the environmental changes. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide an experimental device for the response of groundwater level changes to the ecological environment, which solves the shortcomings of the prior art that the environment cannot be simulated and the groundwater level is inconvenient to measure.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] An experimental device for the response of groundwater level changes to the ecological environment, comprising a shell 1, wherein an underground environmental experiment box is fixedly connected to the bottom end of the inner wall of the shell, a first water tank is fixedly connected to the bottom end of the inner wall of the shell located on the side of the environmental experiment box, a first pump body is fixedly connected to the side end of the first water tank, a liquid outlet pipe is fixedly connected to the first pump body, a first liquid dispensing pipe is fixedly connected to the end of the liquid outlet pipe, a liquid inlet pipe is equidistantly fixedly connected to the first liquid dispensing pipe, the liquid inlet pipe is communicated with the underground environmental experiment box, a liquid outlet pipe is fixedly connected to the side end of the underground environmental experiment box, a second flow meter is arranged on the liquid outlet pipe, a partition is arranged near the top of the shell, two fans are fixedly connected to the partition, an air outlet is opened on the upper part of the side wall of the shell, a first filter is arranged in the air outlet, a sand and gravel layer, a soft soil layer and a natural soil surface layer are arranged from bottom to top in the underground environmental experiment box, a groundwater level measuring device is arranged on the natural soil surface layer, a temperature control device is arranged at the outer end of the shell, and a precipitation control device is arranged at the outer end of the shell.

[0007] Furthermore, the groundwater level measuring device includes a top cover fixed to the top of the natural soil surface layer, the bottom end of the top cover is fixedly connected to a measuring shell, a water inlet hole is opened on the measuring shell, the top cover is located inside the measuring shell and is fixedly connected to a guide column, a floating permanent magnet is slidably connected to the guide column, the top cover is fixedly connected to a support column, the top end of the support column is fixedly connected to a controller, and the controller is provided with a signal transmitting device and an alarm device.

[0008] Furthermore, the temperature control device includes a coolant tank fixedly connected to the top of the shell, a fan fixedly connected to the outer wall of the shell, a drying and filtering device, a reversing control valve, a second water tank and a mounting frame, the shell is connected to the drying and filtering device through a ventilation pipe, the drying and filtering device is connected to the air inlet of the reversing control valve, one of the air outlets of the reversing control valve is connected to the second water tank, the second water tank is connected to the ventilation main pipe, the other air outlet of the reversing control valve is connected to the ventilation main pipe, the end of the ventilation main pipe is fixedly connected to the first corrugated pipe, the side end of the outer wall of the shell is fixedly connected to the mounting frame, and the cooling pipe is fixedly connected to the mounting frame. The liquid outlet of the coolant tank is connected to one end of the cooling pipe, and the other end of the cooling pipe is connected to the liquid return port of the coolant tank. The side wall of the mounting frame is fixedly connected to a fixed plate, the side wall of the mounting frame is fixedly connected to a heating plate, the outer wall of the mounting frame is fixedly connected to a fixed frame, the fixed frame is fixedly connected to a hydraulic cylinder, the mounting frame is provided with a slide groove, the output end of the hydraulic cylinder is fixedly connected to a moving block, the moving block is slidably connected along the slide groove, the first bellows is fixedly connected to one end of the connecting pipe, the other end of the connecting pipe is fixedly connected to a second bellows, the end of the second bellows is fixedly connected to an air inlet pipe, and the end of the air inlet pipe is fixedly connected to an atomizer.

[0009] Furthermore, the precipitation control device includes a third water tank fixedly connected to the outer wall of the outer shell, the third water tank is fixedly connected to a third pump body, the third pump body is fixedly connected to a water inlet pipe, the water inlet pipe is provided with a third flow meter, the end of the water inlet pipe is fixedly connected to a second diversion pipe, the second diversion pipe is equidistantly fixedly connected to a water outlet pipe, and the water outlet pipe is equidistantly fixedly connected to a nozzle.

[0010] Furthermore, a first flow meter is provided on the liquid outlet pipe.

[0011] Furthermore, a plurality of water outlet pipes are fixedly connected to the second diversion pipe at equal intervals, and a plurality of nozzles are fixedly connected to the water outlet pipes at equal intervals.

[0012] Beneficial effects of the present invention:

[0013] 1. The groundwater level measuring device can be used to measure the groundwater depth in the underground environment experiment box in real time. The position of the floating permanent magnet can be measured by the position sensor to monitor the groundwater depth in the underground environment experiment box in real time.

[0014] 2. The moving block is driven by the hydraulic cylinder to move to different positions to heat or cool the connecting pipe to control the temperature of the incoming air, thereby controlling the temperature of the underground environmental test box. It is connected to the second water tank through the reversing control valve to change the influence of the humidity inside the shell on the groundwater level.

[0015] 3. By setting up multiple water outlet pipes and multiple nozzles and adjusting the water output according to the third flow meter, external precipitation can be simulated, the depth of groundwater can be measured in real time, and the response of groundwater to precipitation can be measured. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 The overall structure of the embodiment of the present invention is shown in FIG. Figure 1 ;

[0018] Figure 2 The overall structure of the embodiment of the present invention is shown in FIG. Figure 2 ;

[0019] Figure 3 This is a side view of a clamping device according to an embodiment of the present invention;

[0020] Figure 4 It is a schematic diagram of the internal structure of the housing of an embodiment of the present invention;

[0021] Figure 5 is a cross-sectional view of an embodiment of the present invention;

[0022] Figure 6 The present invention is implemented Figure 5 Enlarge the image at A in the middle.

[0023] Shell 1, underground environment test box 11, first water tank 12, first pump body 121, liquid outlet pipe 122, first flowmeter 123, first liquid dispensing pipe 124, liquid inlet pipe 125, liquid outlet pipe 13, second flowmeter 131, partition 14, fan 141, air outlet 15, first filter 151, sand and gravel layer 16, gravel layer 17, soft soil layer 18, natural soil surface layer 19, groundwater level measuring device 2, top cover 21, measuring shell 22, water inlet hole 221, guide column 23, floating permanent magnet 24, support column 25, controller 26, signal transmitter 27, alarm Warning device 28, temperature control device 3, fan 31, ventilation pipe 32, drying and filtering device 33, reversing control valve 34, second water tank 35, ventilation main pipe 36, first bellows 37, mounting frame 38, coolant tank 39, cooling pipe 40, fixing plate 41, heating plate 43, fixing frame 44, hydraulic cylinder 45, moving block 46, connecting pipe 47, second bellows 48, air inlet pipe 49, atomizer 491, precipitation control device 5, third water tank 51, third pump body 52, third flow meter 53, water inlet pipe 54, second diversion pipe 55, water outlet pipe 56, nozzle 57. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the 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 creative work are within the scope of protection of the present invention.

[0025] like Figure 1As shown, an experimental device for the response of groundwater level change to ecological environment comprises a shell 1, wherein the bottom end of the inner wall of the shell 1 is fixedly connected to an underground environmental experiment box 11, the bottom end of the inner wall of the shell 1 is located on the side of the environmental experiment box 11 and is fixedly connected to a first water tank 12, the side end of the first water tank 12 is fixedly connected to a first pump body 121, the first pump body 121 is fixedly connected to a liquid outlet pipe 122, the liquid outlet pipe 122 is provided with a first flowmeter 123, the end of the liquid outlet pipe 122 is fixedly connected to a first liquid distribution pipe 124, the first liquid distribution pipe 124 is equidistantly fixedly connected to a liquid inlet pipe 125, and the liquid inlet pipe 125 is connected to the underground environmental experiment box 11 A liquid outlet pipe 13 is fixedly connected to the side end of the underground environmental experiment box 11, and a second flow meter 131 is provided on the liquid outlet pipe 13. A partition 14 is provided near the upper part of the outer shell 1, and two fans 141 are fixedly connected to the partition 14. An air outlet 15 is opened on the upper part of the side wall of the outer shell 1, and a first filter 151 is provided in the air outlet 15. A sand and gravel layer 16, a gravel layer 17, a soft soil layer 18 and a natural soil surface layer 19 are arranged from bottom to top in the underground environmental experiment box 11, and a groundwater level measuring device 2 is provided on the natural soil surface layer 19. A temperature control device 3 is provided at the outer end of the outer shell 1, and a precipitation control device 5 is provided at the outer end of the outer shell 1.

[0026] like Figure 3 As shown, the groundwater level measuring device 2 includes a top cover 21 fixed on the top of the natural soil surface layer 19, the bottom end of the top cover 21 is fixedly connected to a measuring shell 22, the measuring shell 22 is provided with a water inlet hole 221, the top cover 21 is located inside the measuring shell 22 and is fixedly connected to a guide column 23, a floating permanent magnet 24 is slidably connected to the guide column 23, the top cover 21 is fixedly connected to a support column 25, the top end of the support column 25 is fixedly connected to a controller 26, the controller 26 is provided with a signal transmitting device 27 and an alarm device 28, the groundwater level measuring device 2 can be used to measure the groundwater depth in the underground environment experiment box 11 in real time, the position of the floating permanent magnet 24 is measured by a position sensor, and the groundwater depth in the underground environment experiment box 11 can be monitored in real time.

[0027] The temperature control device 3 includes a coolant tank 39 fixedly connected to the top of the shell 1, a fan 31 fixedly connected to the outer wall of the shell 1, a drying and filtering device 33, a reversing control valve 34, a second water tank 35 and a mounting frame 38. The shell 1 is connected to the drying and filtering device 33 through a ventilation pipe 32. The drying and filtering device 33 is connected to the air inlet of the reversing control valve 34. One of the air outlets of the reversing control valve 34 is connected to the second water tank 35. The second water tank 35 is connected to the ventilation main pipe 36. The other air outlet of the reversing control valve 34 is connected to the ventilation main pipe 36. The end of the ventilation main pipe 36 is fixedly connected to a first bellows 37. The side end of the outer wall of the shell 1 is fixedly connected to a mounting frame 38. A cooling pipe 40 is fixedly connected to the mounting frame 38. The liquid outlet of the coolant tank 39 is connected to one end of the cooling pipe 40. The other end of the cooling pipe 40 is connected to the liquid return port of the coolant tank 39. The side wall of the mounting frame 38 is fixedly connected to a fixing plate 41. The side wall of the mounting frame 38 is fixedly connected to a heating plate. 43, a fixing frame 44 is fixedly connected to the outer wall of the mounting frame 38, a hydraulic cylinder 45 is fixedly connected to the fixing frame 44, a sliding groove is provided on the mounting frame 38, a moving block 46 is fixedly connected to the output end of the hydraulic cylinder 45, and the moving block 46 is slidably connected along the sliding groove, the first bellows 37 is fixedly connected to one end of the connecting pipe 47, the other end of the connecting pipe 47 is fixedly connected to the second bellows 48, the end of the second bellows 48 is fixedly connected to the air inlet pipe 49, and the end of the air inlet pipe 49 is fixedly connected to the atomizer 491, the fixed plate 41 can be cooled by the liquid pump on the coolant tank 39, and heated by the heating plate 43, the moving block 46 is driven by the hydraulic cylinder 45 to move, and the connecting pipe 47 can be heated or cooled to different positions to control the temperature of the air inlet, thereby controlling the temperature of the underground environment experiment box 11, and the second water tank 35 is connected through the reversing control valve 34, so as to change the influence of the humidity inside the shell 1 on the groundwater level.

[0028] The precipitation control device 5 includes a third water tank 51 fixedly connected to the outer wall of the outer shell 1, a third pump body 52 fixedly connected to the third water tank 51, a water inlet pipe 54 fixedly connected to the third pump body 52, a third flow meter 53 is provided on the water inlet pipe 54, a second diversion pipe 55 is fixedly connected to the end of the water inlet pipe 54, water outlet pipes 56 are equidistantly fixedly connected to the second diversion pipe 55, and nozzles 57 are equidistantly fixedly connected to the water outlet pipe 56. By arranging multiple water outlet pipes 56 and the nozzles 57 to be connected to the third water tank 51, the third pump body 52 is started, and the water output is adjusted according to the third flow meter 53, external precipitation can be simulated, the depth of groundwater can be measured in real time, and the response of groundwater to precipitation can be measured.

[0029] Working principle: A sandstone layer 16, a gravel layer 17, a soft soil layer 18 and a natural soil surface layer 19 are sequentially laid on the underground environment test box 11 to simulate the underground environment. Water is supplied to the underground environment test box 11 through the liquid inlet pipe 125. The water supply is controlled by the first flow meter 123 to simulate the underground water. The fixed plate 41 can be cooled by the liquid pump on the coolant tank 39, and heated by the heating plate 43. The moving block 46 is driven by the hydraulic cylinder 45 to move. When it moves to different positions, the connecting pipe 47 can be heated or cooled to control the temperature of the inlet air, thereby controlling the temperature of the underground environment test box 11. The reversing control valve 34 It is connected to the second water tank 35, so as to change the influence of the humidity inside the shell 1 on the groundwater level. By setting a plurality of water outlet pipes 56 and the nozzle 57 connected to the third water tank 51, starting the third pump body 52, and adjusting the water output according to the third flow meter 53, it can simulate external precipitation, measure the depth of groundwater in real time, and obtain the response of groundwater with precipitation. The groundwater level measuring device 2 can measure the groundwater depth in the underground environment experiment box 11 in real time, and the position of the floating permanent magnet 24 can be measured by the position sensor. The groundwater depth in the underground environment experiment box 11 can be monitored in real time, and the water level situation can be sent to the controller through the signal transmitting device 27.

[0030] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. An experimental device for the response of groundwater level changes to ecological environment, comprising a housing (1), characterized in that: The bottom end of the inner wall of the outer shell (1) is fixedly connected to an underground environmental experiment box (11); the bottom end of the inner wall of the outer shell (1) is located on the side of the environmental experiment box (11) and is fixedly connected to a first water tank (12); the side end of the first water tank (12) is fixedly connected to a first pump body (121); a liquid outlet pipe (122) is fixedly connected to the first pump body (121); the end of the liquid outlet pipe (122) is fixedly connected to a first liquid distribution pipe (124); a liquid inlet pipe (125) is fixedly connected to the first liquid distribution pipe (124) at an equal distance; the liquid inlet pipe (125) is communicated with the underground environmental experiment box (11); the side end of the underground environmental experiment box (11) is fixedly connected to a liquid outlet pipe (13); the liquid outlet pipe (121) is fixedly connected to the first pump body (121); 13) is provided with a second flow meter (131), a partition (14) is provided near the upper part of the outer shell (1), two fans (141) are fixedly connected to the partition (14), an air outlet (15) is provided at the upper part of the side wall of the outer shell (1), a first filter (151) is provided in the air outlet (15), a sandstone layer (16), a gravel layer (17), a soft soil layer (18) and a natural soil surface layer (19) are provided in the underground environmental experiment box (11) from bottom to top, a groundwater level measuring device (2) is provided on the natural soil surface layer (19), a temperature control device (3) is provided at the outer end of the outer shell (1), and a precipitation control device (5) is provided at the outer end of the outer shell (1); The temperature control device (3) comprises a cooling liquid tank (39) fixedly connected to the top of the shell (1), a fan (31) fixedly connected to the outer wall of the shell (1), a drying and filtering device (33), a reversing control valve (34), a second water tank (35) and a mounting frame (38); the shell (1) is connected to the drying and filtering device (33) through a ventilation pipe (32); the drying and filtering device (33) is connected to an air inlet of the reversing control valve (34); one of the air outlets of the reversing control valve (34) is connected to the second water tank (35); the second water tank (35) is connected to a ventilation main pipe (36); the other air outlet of the reversing control valve (34) is connected to the ventilation main pipe (36); a first bellows (37) is fixedly connected to the end of the ventilation main pipe (36); a mounting frame (38) is fixedly connected to the side end of the outer wall of the shell (1); a cooling pipe (40) is fixedly connected to the mounting frame (38); The liquid outlet of the coolant tank (39) is connected to one end of the cooling pipe (40), and the other end of the cooling pipe (40) is connected to the liquid return port of the coolant tank (39). The side wall of the mounting frame (38) is fixedly connected to a fixing plate (41), the side wall of the mounting frame (38) is fixedly connected to a heating plate (43), the outer wall of the mounting frame (38) is fixedly connected to a fixing frame (44), the fixing frame (44) is fixedly connected to a hydraulic cylinder (45), a sliding groove is provided on the mounting frame (38), the output end of the hydraulic cylinder (45) is fixedly connected to a moving block (46), and the moving block (46) is slidably connected along the sliding groove. The first bellows (37) is fixedly connected to one end of the connecting pipe (47), the other end of the connecting pipe (47) is fixedly connected to a second bellows (48), the end of the second bellows (48) is fixedly connected to an air inlet pipe (49), and the end of the air inlet pipe (49) is fixedly connected to an atomizer (491).

2. The experimental device for the response of groundwater level change to ecological environment according to claim 1, characterized in that: The underground water level measuring device (2) comprises a top cover (21) fixed on the top of a natural soil surface layer (19); the bottom of the top cover (21) is fixedly connected to a measuring housing (22); a water inlet hole (221) is provided on the measuring housing (22); the top cover (21) is located inside the measuring housing (22) and is fixedly connected to a guide column (23); a floating permanent magnet (24) is slidably connected to the guide column (23); the top cover (21) is fixedly connected to a support column (25); a controller (26) is fixedly connected to the top of the support column (25); and a signal transmitting device (27) and an alarm device (28) are provided on the controller (26).

3. The experimental device for the response of groundwater level change to ecological environment according to claim 1, characterized in that: The precipitation control device (5) comprises a third water tank (51) fixedly connected to the outer wall of the outer shell (1); a third pump body (52) fixedly connected to the third water tank (51); a water inlet pipe (54) fixedly connected to the third pump body (52); a third flow meter (53) provided on the water inlet pipe (54); a second branch pipe (55) fixedly connected to the end of the water inlet pipe (54); a plurality of water outlet pipes (56) equidistantly fixedly connected to the second branch pipe (55); and a plurality of nozzles (57) equidistantly fixedly connected to the water outlet pipe (56).

4. The experimental device for the response of groundwater level change to ecological environment according to claim 1, characterized in that: The liquid outlet pipe (122) is provided with a first flow meter (123).

5. The experimental device for the response of groundwater level change to ecological environment according to claim 1, characterized in that: Four liquid inlet pipes (125) are fixedly connected to the first liquid distributing pipe (124) at equal intervals.

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