CN115372071A - Ecological monitoring sampling device in small watershed - Google Patents

Abstract

The invention discloses a small watershed ecological monitoring and sampling device, which relates to the technical field of ecological monitoring equipment. The key points of the technical solution are: it includes two support rods, a sliding plate and two lifting devices; the two support rods are separated by a certain distance Fixed on the ground, the two supporting rods are provided with a vertical chute with opposite openings, the two lifting devices are respectively located in the two vertical chutes, and the two sides of the sliding plate are respectively Sleeved on the two lifting devices one, the sliding plate is provided with a control chamber and a downward opening groove one, and the groove one communicates with the control chamber; the top of the control chamber and the A servo motor 1 and a bearing 1 are respectively provided at the bottom, and the output end of the servo motor 1 is provided with a rotating shaft 1 . The ecological monitoring device can accurately monitor and sample water at a specified depth at a position where the water flow is relatively turbulent, and at the same time, the monitoring device can also realize multi-point simultaneous sampling to improve the accuracy of monitoring.

Description

A small watershed ecological monitoring sampling device

technical field

The invention relates to the technical field of ecological monitoring equipment, in particular to a small watershed ecological monitoring sampling device.

Background technique

Ecological monitoring refers to the use of physical, chemical, biochemical, ecological and other technical means to monitor and test the various elements in the ecological environment, the relationship between organisms and the environment, and the structure and function of the ecosystem. During the monitoring process, small watershed ecological monitoring devices are usually used to monitor it.

The existing small watershed ecological monitoring devices have the following problems;

1. Since the device connected to the water intake device is a soft part, the small watershed ecological monitoring device cannot monitor and extract water at a specified depth in places where the water flow is relatively turbulent;

2. Existing ecological monitoring devices for small watersheds cannot monitor water flow velocity and water quality from multiple points at the same time, and the accuracy of monitoring is low.

Contents of the invention

The purpose of the present invention is to provide a small watershed ecological monitoring sampling device, the ecological monitoring device can accurately monitor and sample the water at a specified depth in a position where the water flow is more turbulent, and at the same time, the monitoring device can also realize multi-point simultaneous sampling, Improve the accuracy of monitoring.

The above-mentioned technical purpose of the present invention is achieved by the following technical solutions: a small watershed ecological monitoring sampling device, comprising two support rods, sliding plates and two lifting devices; On the ground, two vertical chutes with opposite openings are provided in the two support rods, and the two lifting devices are respectively located in the two vertical chutes, and the two sides of the sliding plates are respectively socketed. On the two lifting devices one, the sliding plate is provided with a control chamber and a downward opening groove one, and the groove one communicates with the control chamber; the top and bottom of the control chamber are respectively A servo motor 1 and a bearing 1 are provided, the output end of the servo motor 1 is provided with a rotating shaft 1, the bottom of the rotating shaft 1 is fixedly connected with the bearing 1, and a gear is sleeved on the rotating shaft 1; There is a toothed plate meshed with the gear, the top of the toothed plate is fixed with an annular slider, the annular slider is located in the sliding plate, and the annular slider and the toothed plate rotate around the same axis; the toothed The bottom of the disc is provided with two sampling and monitoring devices symmetrically along the center of the rotating shaft; the sampling and monitoring devices include a monitoring device and a sampling device;

The sampling monitoring device includes two fixed brackets, two lifting devices two, two folding rods, two square sliders, telescopic hoses and monitoring devices; the tops of the two fixed brackets are fixed to the bottom of the toothed plate connection, the two fixed brackets are symmetrically distributed on both sides of the telescopic hose, and the two fixed brackets are equipped with vertical chute 2 with opposite openings; the two lifting devices 2 are respectively located on the two vertical slides In the groove two, the two square sliders are respectively sleeved on the two threaded rods one, one end of the two folded rods is fixedly connected with the side wall of the square slider, and the other end of the folded rod is connected to the side wall of the square slider. The outer wall of the monitoring device is fixedly connected, and the initial positions of the monitoring device and the square slider are respectively located at the top and bottom positions of the vertical chute two; the top of the monitoring device communicates with the bottom of the telescopic hose; The top of the pipe is provided with a pumping device; the outlet end of the pumping device is provided with a water storage device;

The lifting device 2 includes a servo motor 2, a square slider, a threaded rod 1 and a bearing 2; the servo motor 2 and the bearing 2 are respectively fixedly connected to the top and the bottom of the vertical chute 2, and the top of the threaded rod 1 and the bottom are respectively fixedly connected with the second output end of the servo motor and the bearing, the square slider is sleeved on the threaded rod one; the side wall of the square slider is fixedly connected with the end of the folding rod;

The bottom of the monitoring device is provided with a fixed plate, and the bottom of the fixed plate is provided with an ORP sensor, a PH sensor, a turbidity sensor, a conductivity sensor, a TOC sensor and a water velocity measuring device.

By adopting the above technical scheme, the sampling monitoring device is fixedly connected to the square slider through the folding rod, and the square slider four is sleeved on the threaded rod one, so that the height movement of the sampling monitoring device can be driven by the rotation of the servo motor two, In this way, accurate monitoring and sampling of water at a specified depth can be realized under turbulent water flow; ORP sensor, PH sensor, turbidity sensor, conductivity sensor, TOC sensor and water velocity measuring device are installed on the bottom of the fixed plate to realize Various indicators in the small watershed are monitored, so that researchers can clearly obtain the status of the small watershed; by installing two sampling monitoring devices, and the top of the fixed bracket is fixedly connected with the bottom of the toothed plate, so that through the toothed plate Rotate to adjust the horizontal position of the sampling monitoring device, realize simultaneous monitoring of the upstream and downstream of the small watershed or two points perpendicular to the water flow direction, achieve multi-point monitoring and sampling, and improve the accuracy of monitoring.

The present invention is further configured as follows: the bottom of the fixed plate is provided with a groove 2, and the water flow speed measuring device includes a stepping motor 2, a rotating block 1, a rotating block 2, a stepping motor 3, a bearing 3, a rotating shaft 2 and the water flow velocity Sensor; the stepping motor two is embedded in the top of the groove two, the rotating block one is located in the groove two, the top of the rotating block one is fixedly connected with the output end of the stepping motor two, and the rotating block one The bottom of one is provided with a rotating groove, the stepping motor three and the bearing three are respectively embedded in two opposite side walls of the rotating groove, and the two ends of the rotating shaft two are fixedly connected with the output end of the stepping motor three and the bearing three respectively , the rotating block 2 is sleeved on the rotating shaft 2, and the bottom of the rotating block 2 is detachably connected with the water velocity sensor.

By adopting the above technical scheme, the top of the rotating block 1 is fixedly connected with the output end of the stepping motor 2, so that the horizontal direction of the water velocity sensor can be rotated, and the rotating block 2 is sleeved on the rotating shaft 2, so that the The longitudinal direction of the water flow velocity sensor is adjusted, and the adjustment mode of the longitudinal direction and the horizontal direction can make the sensing end of the water flow velocity sensor perpendicular to the velocity direction of the water flow, thus improving the monitoring accuracy of the water flow velocity sensor.

The present invention is further configured as follows: the pumping device includes a main pipe 2, a water pump, a connecting pipe, a rotating main pipe and two suction pipes; the ends of the two suction pipes are respectively connected to the tops of the two flexible hoses, and the two The side walls of the branch pipes are provided with two electromagnetic valves, and the other ends of the two suction pipes meet at the central axis of the toothed disc, and the confluence is connected with the rotating main pipe. The rotating main pipe is installed vertically, and the rotating main pipe The main pipe is rotatably connected to the end of the connecting pipe; the end of the connecting pipe far away from the rotating main pipe is connected to the water inlet end of the water pump, the water pump is fixedly connected to the top of the sliding plate, and the water outlet end of the water pump is connected to the end of the main pipe two. The other end of the main pipe two is plugged into the water storage device.

By adopting the above-mentioned technical scheme, the rotating main pipe is connected with the connecting pipe in rotation, so that the water of the water intake monitoring device can also be pumped into the water storage device when the toothed disc rotates; the second main pipe is plugged into the first main pipe, and the main pipe The first and the second pipes are connected by a sliding seal, so that when the sliding plate is raised and lowered, it can also ensure that the water sampled by the sampling device is pumped into the water storage device.

The present invention is further configured as follows: the water storage device includes a main pipe 1, a Venturi liquid separator, a plurality of branch pipes, a plurality of electromagnetic valves 1 and a plurality of water storage boxes; the main pipe 2 is plugged into the main pipe 1, and The second main pipe is in sliding and sealed connection with the first main pipe, the bottom of the first main pipe is connected with the inlet end of the Venturi liquid dispenser head, and the multiple outlet ends of the Venturi liquid dispenser head are respectively connected with a plurality of branch pipes, and the multiple branch pipes are respectively connected with each other. The solenoid valves are respectively installed on the side walls of a plurality of branch pipes, the bottoms of the branch pipes are connected to the top of the water storage box, and the water storage box is installed on the ground.

By adopting the above technical scheme, a plurality of water storage tanks are set, and a solenoid valve 1 is installed on each branch pipe, so that the sampled water at different positions can be stored separately by separately adjusting the solenoid valve 1, which is convenient for researchers. Comparative Study.

The present invention is further configured as follows: the lifting device 1 includes a servo motor 3, a threaded rod 3 and a bearing 4, the servo motor 3 and the bearing 4 are respectively fixedly connected to the top and bottom of the vertical chute 1, and the threaded rod 3 The top and the bottom of the top and bottom of the servo motor are fixedly connected with the three output ends of the servo motor and the bearing four, and the two ends of the sliding plate are simultaneously socketed on the two threaded rods three.

By adopting the above-mentioned technical scheme, by socketing the two ends of the sliding plate on the threaded rod three at the same time, the height adjustment of the sliding plate and the sampling monitoring device can be realized, so that the initial position of the sampling monitoring device can be close to the horizontal plane, thereby facilitating The researchers were able to accurately understand the depth of the sampling monitoring device after entering the water, improving the accuracy of monitoring.

The present invention is further set as follows: the sampling device includes a water-taking bottle, an annular baffle and at least two lifting devices; an annular chute is arranged inside the water-taking bottle, and the side walls of the water-taking bottle are equally spaced along the arc direction. A plurality of water intakes, the water intakes communicate with the annular chute, the annular baffle and the lifting device are located in the annular chute, and the side wall of the annular baffle is slidably connected with the side wall of the annular chute, so The annular baffle is sleeved on the lifting device at the same time.

By adopting the above technical scheme, by installing the annular baffle in the annular chute, and the annular baffle is sleeved on the lifting device, the opening and closing adjustment of the water intake can be realized by lifting the annular baffle, so as to realize the convenience for different The water was sampled at different depths and locations.

The present invention is further set as: the lifting device includes a stepping motor 1 and a threaded rod 2, the stepping motor 1 is fixedly connected to the top of the annular chute, and the top of the threaded rod 2 is connected to the output end of the stepping motor 1 connected, the ring-shaped baffle is sleeved on the threaded rod two.

By adopting the above technical scheme, the annular baffle is sleeved on the threaded rod 2, and the threaded rod 2 is fixedly connected with the output end of the stepping motor 1, so that the height of the ring baffle can be realized by adjusting the rotation of the stepping motor 1 Make adjustments.

In summary, the present invention has the following beneficial effects:

1. The sampling monitoring device is fixedly connected to the square slider through the folded rod, and the square slider four is connected to the threaded rod one, so that the height movement of the sampling monitoring device can be driven by the rotation of the servo motor two, so that it can be realized Precise monitoring and sampling of water at specified depths under turbulent currents;

2. By installing ORP sensor, PH sensor, turbidity sensor, conductivity sensor, TOC sensor and water flow velocity measuring device at the bottom of the fixed plate, various indicators in the small watershed can be monitored, so that researchers can clearly draw the state of the small watershed;

3. By installing two sampling and monitoring devices, and the top of the fixed bracket is fixedly connected with the bottom of the toothed plate, the horizontal position of the sampling and monitoring device can be adjusted through the rotation of the toothed plate to realize the upstream and downstream of the small watershed or Simultaneous monitoring is carried out at two points perpendicular to the water flow direction to achieve multi-point monitoring and sampling and improve the accuracy of monitoring.

Description of drawings

Fig. 1 is a side partial sectional view of a small watershed ecological monitoring sampling device in an embodiment of the present invention;

Fig. 2 is the enlarged view of place A in Fig. 1;

Fig. 3 is a partial cross-sectional view of a monitoring device in an embodiment of the present invention;

Fig. 4 is a cross-sectional view of a water bottle in an embodiment of the present invention;

Fig. 5 is a sectional view at A-A place among Fig. 4;

Fig. 6 is a front sectional view of the connection relationship between the sliding plate and the support rod in the embodiment of the present invention.

In the figure: 1. sliding plate; 2. second supervisor; 3. support rod; 4. first supervisor; 5. stable support; 6. ground; 7. water storage box; , Venturi liquid dispenser; 11, control chamber; 12, shaft one; 13, bearing one; 14, folding rod; 15, fixed bracket; 16, telescopic hose; 17, thread rod one; 18, square slide 19, servo motor two; 20, vertical chute two; 21, groove one; 22, gear plate; 23, solenoid valve two; 24, suction pipe; 25, rotating main pipe; 26, connecting pipe; 27, Water pump; 28, ring slider; 29, servo motor one; 30, gear; 31, water bottle; 32, fixed plate; 33, water intake; 34, bearing two; 35, stepping motor two; 36, rotating block two ;37. Bearing three; 38. ORP sensor; 39. PH sensor; 40. Turbidity sensor; 41. Rotating shaft two; 42. Water velocity sensor; 43. Rotating groove; 44. Stepping motor three; ; 46, TOC sensor; 47, groove two; 48, rotating block one; 49, annular chute; 50, annular baffle; 51, threaded rod two; 52, stepping motor one; 53, servo motor three; 54 , vertical chute one; 55, threaded rod three; 56, bearing four.

Detailed ways

The present invention will be described in further detail below in conjunction with accompanying drawings 1-6.

Embodiment: a small watershed ecological monitoring sampling device, as shown in Figure 1 to Figure 6, includes two support rods 3, a sliding plate 1 and two lifting devices 1; two support rods 3 are fixed on the ground 6 at a certain distance Above, two supporting rods 3 are provided with vertical chute 1 54 with opposite openings. On the lifting device one, the sliding plate 1 is provided with a control chamber 11 and a downward groove 21, and the groove 21 communicates with the control chamber 11; the top and bottom of the control chamber 11 are respectively provided with a servo Motor one 29 and bearing one 13, the output end of servomotor one 29 is provided with rotating shaft one 12, the bottom of rotating shaft one 12 is fixedly connected with bearing one 13, is sleeved with gear 30 on the rotating shaft one 12; Groove one 21 is provided with The toothed disc 22 meshed with the gear 30, the top of the toothed disc 22 is fixed with an annular slider 28, the annular slider 28 is located in the sliding plate 1, and the annular slider 28 and the toothed disc 22 rotate around the same axis; the toothed disc 22 The bottom of the bottom is provided with two sampling monitoring devices symmetrically along the center of the rotating shaft; the sampling monitoring device includes a monitoring device and a sampling device;

The sampling monitoring device comprises two fixed supports 15, two elevating devices two, two folding rods 14, two square slide blocks 18, flexible hose 16 and monitoring device; The bottom is fixedly connected, and two fixed supports 15 are symmetrically distributed on both sides of the telescopic hose 16. Two vertical chute 20 opposite to the opening are all provided in the two fixed supports 15; In the groove two 20, two square sliders 18 are respectively sleeved on two threaded rods one 17, and one end of two folding rods 14 is fixedly connected with the sidewall of square sliding block 18, and the other end of folding rod 14 is connected with The outer side wall of monitoring device is fixedly connected, and the initial position of monitoring device and square slide block 18 is positioned at the top and the bottom position of vertical chute two 20 respectively; The top of monitoring device communicates with the bottom of flexible hose 16; There is a pumping device on the top; the outlet end of the pumping device is provided with a water storage device;

Lifting device two comprises servo motor two 19, square slide block 18, threaded rod one 17 and bearing two 34; The top and the bottom of the top and bottom are respectively fixedly connected with the servo motor two 19 output ends and the bearing, and the square slide block 18 is sleeved on the threaded rod one 17; the side wall of the square slide block 18 is fixedly connected with the folding rod 14 ends;

The bottom of the monitoring device is provided with a fixed plate 32, and the bottom of the fixed plate 32 is provided with an ORP sensor 38, a pH sensor 39, a turbidity sensor 40, a conductivity sensor 45, a TOC sensor 46 and a water velocity measuring device.

In this embodiment, the ORP sensor 38 is used to detect the ORP data in the small watershed, the pH sensor 39 is used to measure the pH value of the water in the small watershed, and the turbidity sensor 40 is used to measure the suspended solids in the water. The conductivity sensor 45 is used to measure the concentration of ions in the water body of the small watershed, the TOC sensor 46 is used to measure the organic pollutants, and the water flow velocity measuring device is used to measure the speed of the water flow; Conduct comprehensive measurements so that researchers can have a comprehensive understanding of the water body in the small watershed; when researchers need to monitor or sample water at a specified depth, they can adjust the height of the sampling monitoring device through the console (not marked in the figure), Servo motor two 19 drives threaded rod one 17 to rotate, because square slide block 18 is sleeved on the threaded rod one 17, and square slide block 18 is subjected to the limitation of vertical chute two 20, square slide block 18 can only be along vertical The height direction of straight chute two 20 moves; Because folding bar 14 is fixedly connected with the side wall of sampling monitoring device, so just can drive sampling monitoring device to move down vertically, because folding bar 14 is rigid, like this even in When the sampling operation is performed at a location with relatively turbulent water flow, the sampling monitoring device can still be kept moving vertically downward, so as to sample and monitor the water at a specified depth. Researchers can monitor various indicators of water at different depths to judge whether the small The situation of the overall water quality of the basin; in order to ensure the stability of the device, preferably, a stabilizing bracket 5 can be installed on the side wall of the supporting rod 3, and the end of the stabilizing bracket 5 away from the supporting rod 3 is fixedly connected with the ground 6.

The bottom of fixed plate 32 is provided with groove two 47, and water velocity measuring device comprises stepping motor two 35, rotating block one 48, rotating block two 36, stepping motor three 44, bearing three 37, rotating shaft two 41 and water velocity sensor 42 Stepping motor two 35 are embedded in the top of groove two 47, and rotating block one 48 is positioned at groove two 47, and the top of rotating block one 48 is fixedly connected with the output end of stepping motor two 35, and rotating block one 48 The bottom is provided with a rotating groove 43, and the stepping motor 3 44 and bearing 3 37 are respectively embedded in two opposite side walls of the rotating groove 43, and the two ends of the rotating shaft 2 41 are respectively fixed with the output end of the stepping motor 3 44 and the bearing 3 37 To connect, the rotating block 2 36 is sleeved on the rotating shaft 2 41, and the bottom of the rotating block 2 36 is detachably connected with the water velocity sensor 42.

In this embodiment, when the water flow in the small watershed is detected, the stepper motor 3 44 first drives the rotation block 2 36 to rotate, and the rotation of the rotation block 2 36 can drive the water flow velocity sensor 42 to rotate. After rotating to a certain angle, it can The stepper motor 2 35 drives the rotating block 1 48 to rotate in the horizontal direction, so that the measuring end of the water flow velocity sensor 42 is perpendicular to the flow velocity direction of the water flow; Wherein the maximum value is the water velocity at this point, the researcher selects the maximum water velocity value, and the control processor (not marked in the figure) can measure the corresponding stepper motor 2 35 and The step number of stepper motor three 44 is adjusted the angle of water velocity sensor 42.

The pumping device comprises a main pipe 2, a water pump 27, a connecting pipe 26, a rotating main pipe 25 and two suction pipes 24; An electromagnetic valve two 23 is installed, and the other ends of two suction pipes 24 converge at the central axis of the toothed disc 22, and its confluence is communicated with the rotating main pipe 25, which is installed vertically, and the rotating main pipe 25 is connected to the connecting pipe 26 The end of connecting pipe 26 is connected with the water inlet end of water pump 27 away from the end of rotating main pipe 25, and water pump 27 is fixedly connected with the top of sliding plate 1, and the water outlet end of water pump 27 is connected with the end of main pipe two 2, The other end of the main pipe 2 is plugged into the water storage device;

The water storage device includes a main pipe 4, a Venturi liquid dispenser 10, a plurality of branch pipes 9, a plurality of solenoid valves 8 and a plurality of water storage boxes 7; the main pipe 2 is plugged into the main pipe 4, and the main pipe 2 Sliding and sealing connection with the main pipe one 4, the bottom of the main pipe one 4 is connected with the inlet port of the Venturi liquid dispensing head 10, the multiple outlet ports of the Venturi liquid dispensing head 10 are respectively connected with a plurality of branch pipes 9, and a plurality of solenoid valves one 8 They are respectively installed on the side walls of a plurality of branch pipes 9 , the bottom of the branch pipes 9 are connected to the top of the water storage box 7 , and the water storage box 7 is installed on the ground 6 .

In this embodiment, when sampling a specified position, turn on the water pump 27, and open one of the solenoid valve one 8 and the solenoid valve two 23 at the same time, so that the water at the position can be pumped into the water storage tank 7, when needed When sampling the water in another position, close the previous solenoid valve one 8 and solenoid valve two 23, and open another solenoid valve one 8 and solenoid valve two 23 at the same time to sample; The bottom of 22 is fixedly connected, and the two sampling devices are symmetrically connected along the center of the rotating shaft, so that both upstream and downstream points in the flow velocity direction of the water flow can be monitored, and two points in the vertical direction of the flow velocity can be measured.

Lifting device one includes servo motor three 53, threaded rod three 55 and bearing four 56, servo motor three 53 and bearing four 56 are fixedly connected with the top and bottom of vertical chute one 54 respectively, and the top and bottom of threaded rod three 55 are respectively It is fixedly connected with the output end of the servo motor 3 53 and the bearing 4 56, and the two ends of the sliding plate 1 are socketed on the two threaded rods 3 55 at the same time.

In this embodiment, before sampling and monitoring, the rotation of the servo motor 3 53 drives the sliding plate 1 to move downward. The main purpose of moving the sliding plate 1 is to move the sampling and monitoring device to the water surface, and then adjust the height of the square slider 18 To adjust the height of the sampling monitoring device, when the sampling monitoring device moves towards the bottom of the water, the moving distance of the square slider 18 can be accurately reflected according to the number of rotation steps of the servo motor 2 19, thereby obtaining the position of the sampling monitoring device.

The sampling device comprises a water intake bottle 31, an annular baffle plate 50 and at least two lifting devices; the water intake bottle 31 is provided with an annular chute 49, and the side wall of the water intake bottle 31 is equidistantly provided with a plurality of water intakes 33 along the arc direction. The port 33 communicates with the annular chute 49, the annular baffle 50 and the lifting device are located in the annular chute 49, and the side wall of the annular baffle 50 is slidably connected with the side wall of the annular chute 49, and the annular baffle 50 is sleeved at the same time on the lifting gear;

Described lifting device comprises stepping motor one 52 and threaded rod two 51, and described stepping motor one 52 is fixedly connected with the top of annular chute 49, and the top of described threaded rod two 51 and the output end of stepping motor one 52 connected, the ring baffle 50 is sleeved on the threaded rod 2 51.

In this embodiment, when the water bottle 31 moves towards the bottom of the water, first the stepping motor 52 needs to be rotated to realize the ring-shaped baffle 50 closing the water intake 33. After reaching the specified depth, the threaded rod 2 51 drives the ring The baffle plate 50 moves upwards, thereby opening the water intake 33, so that the water at this position enters the water intake bottle 31. When the water is drawn by the water pump 27, the water intake 33 needs to be closed in advance, and then extracted, and the water intake bottle 31 is used after the extraction is completed. Move to another point, repeat the above operations, and pump water from another location, which is convenient for researchers to conduct comparative studies.

Working principle: The sampling monitoring device is fixedly connected with the square slider 18 through the folded rod 14, and the square slider 184 is sleeved on the threaded rod 17, so that the height of the sampling monitoring device can be driven by the rotation of the servo motor 2 19 move, so that accurate monitoring and sampling of water at a specified depth can be realized under turbulent water flow; by installing an ORP sensor 38, a pH sensor 39, a turbidity sensor 40, a conductivity sensor 45, and a TOC sensor at the bottom of the fixed plate 32 46 and the water velocity measuring device, to realize the monitoring of various indicators in the small watershed, so that the researchers can clearly obtain the state of the small watershed; by installing two sampling monitoring devices, and the top of the fixed bracket 15 is connected with the gear plate 22 In this way, the horizontal position of the sampling and monitoring device can be adjusted through the rotation of the toothed plate 22, so as to realize the simultaneous monitoring of the upstream and downstream of the small watershed or two points perpendicular to the water flow direction, so as to achieve multi-point monitoring and sampling, and improve monitoring accuracy.

This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment without creative contribution as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

Claims (7)

1. A small watershed ecological monitoring sampling device comprises two support rods (3), a sliding plate (1) and two first lifting devices; two bracing piece (3) interval certain distance is fixed on ground (6), two all be equipped with vertical spout one (54) that the opening is relative in bracing piece (3), two elevating gear one is located two vertical spout one (54) respectively, cup joint respectively on two elevating gear one, characterized by in the both sides of sliding plate (1): a control chamber (11) and a first groove (21) with a downward opening are arranged in the sliding plate (1), and the first groove (21) is communicated with the control chamber (11); the top and the bottom of the control chamber (11) are respectively provided with a first servo motor (29) and a first bearing (13), the output end of the first servo motor (29) is provided with a first rotating shaft (12), the bottom of the first rotating shaft (12) is fixedly connected with the first bearing (13), and the first rotating shaft (12) is sleeved with a gear (30); a fluted disc (22) meshed with a gear (30) is arranged in the first groove (21), an annular sliding block (28) is fixedly arranged at the top of the fluted disc (22), the annular sliding block (28) is positioned in the sliding plate (1), and the annular sliding block (28) and the fluted disc (22) rotate around the same axis; the bottom of the fluted disc (22) is provided with two sampling monitoring devices which are symmetrically arranged along the center of the rotating shaft; the sampling monitoring device comprises a monitoring device and a sampling device;

the sampling monitoring device comprises two fixed brackets (15), two lifting devices II, two zigzag rods (14), a flexible hose (16) and a monitoring device; the tops of the two fixed supports (15) are fixedly connected with the bottom of the fluted disc (22), the two fixed supports (15) are symmetrically distributed on two sides of the telescopic hose (16), and vertical sliding grooves (20) with opposite openings are formed in the two fixed supports (15); the two second lifting devices are respectively positioned in the two second vertical sliding chutes (20), one ends of the two folded rods (14) are fixedly connected with the side walls of the second lifting devices, the other ends of the folded rods (14) are fixedly connected with the outer side walls of the monitoring devices, and the initial positions of the monitoring devices and the square sliding blocks (18) are respectively positioned at the top and the bottom of the second vertical sliding chutes (20); the top of the monitoring device is communicated with the bottom of the telescopic hose (16); a water pumping device is arranged at the top of the telescopic hose (16); a water storage device is arranged at the water outlet end of the water pumping device;

the second lifting device comprises a second servo motor (19), a square sliding block (18), a first threaded rod (17) and a second bearing (34); the second servo motor (19) and the second bearing (34) are fixedly connected with the top and the bottom of the second vertical sliding groove (20) respectively, the top and the bottom of the first threaded rod (17) are fixedly connected with the output end of the second servo motor (19) and the bearing respectively, and the square sliding block (18) is sleeved on the first threaded rod (17); the side wall of the square sliding block (18) is fixedly connected with the end part of the fold-shaped rod (14);

the bottom of the monitoring device is provided with a fixing plate (32), and the bottom of the fixing plate (32) is provided with an ORP sensor (38), a PH sensor (39), a turbidity sensor (40), a conductivity sensor (45), a TOC sensor (46) and a water flow speed measuring device.

2. The small watershed ecology monitoring and sampling device of claim 1, wherein: a second groove (47) is formed in the bottom of the fixing plate (32), and the water flow speed measuring device comprises a second stepping motor (35), a first rotating block (48), a second rotating block (36), a third stepping motor (44), a third bearing (37), a second rotating shaft (41) and a water flow speed sensor (42); step motor two (35) inlay the top of locating recess two (47), turning block (48) are located recess two (47), the top of turning block (48) and the output fixed connection of step motor two (35), the bottom of turning block (48) is equipped with rotation groove (43), three (44) of step motor and three (37) of bearing inlay respectively in locating the double-phase opposite lateral wall that rotates groove (43), the both ends of pivot two (41) respectively with three (44) of step motor output and three (37) fixed connection of bearing, two (36) of turning block cup joint on two (41) of pivot, the bottom and the rivers speedtransmitter (42) of two (36) of turning block can be dismantled and be connected.

3. The small watershed ecology monitoring and sampling device of claim 1, wherein: the water pumping device comprises a second main pipe (2), a water pump (27), a connecting pipe (26), a rotary main pipe (25) and two water pumping pipes (24); the end parts of the two water pumping pipes (24) are respectively connected with the top parts of the two telescopic hoses (16), the side walls of the two branch pipes (9) are respectively provided with a second electromagnetic valve (23), the other ends of the two water pumping pipes (24) are converged at the central shaft of the fluted disc (22), the converged part of the two water pumping pipes is communicated with a main rotating pipe (25), the main rotating pipe (25) is vertically installed, and the main rotating pipe (25) is rotatably connected with the end part of the connecting pipe (26); the end part of the connecting pipe (26) far away from the rotating main pipe (25) is connected with the water inlet end of the water pump (27), the water pump (27) is fixedly connected with the top of the sliding plate (1), the water outlet end of the water pump (27) is connected with the end part of the main pipe II (2), and the other end of the main pipe II (2) is inserted into the water storage device.

4. The small watershed ecology monitoring and sampling device of claim 3, wherein: the water storage device comprises a first main pipe (4), a Venturi liquid separation head (10), a plurality of branch pipes (9), a plurality of first electromagnetic valves (8) and a plurality of water storage tank bodies (7); be responsible for two (2) pegs graft in being responsible for one (4), just be responsible for two (2) and be responsible for one (4) sliding seal and be connected, be responsible for the bottom of one (4) and be connected with the entry end of venturi branch liquid head (10), a plurality of exit ends of venturi branch liquid head (10) are connected with a plurality of branch pipes (9) respectively, and are a plurality of solenoid valve (8) are installed respectively on the lateral wall of a plurality of branch pipes (9), the bottom of branch pipe (9) is connected with the top of water storage box (7), install on ground (6) water storage box (7).

5. The small watershed ecology monitoring and sampling device of claim 4, wherein: the lifting device I comprises a third servo motor (53), a third threaded rod (55) and a fourth bearing (56), the third servo motor (53) and the fourth bearing (56) are fixedly connected with the top and the bottom of the first vertical sliding groove (54) respectively, the top and the bottom of the third threaded rod (55) are fixedly connected with the output end of the third servo motor (53) and the fourth bearing (56) respectively, and two ends of the sliding plate (1) are sleeved on the third two threaded rods (55) simultaneously.

6. The small watershed ecology monitoring and sampling device of claim 1, wherein: the sampling device comprises a water taking bottle (31), an annular baffle (50) and at least two lifting devices; be equipped with annular spout (49) in water intaking bottle (31), the lateral wall of water intaking bottle (31) is opened along circular arc direction equidistance has a plurality of inlets (33), inlet (33) and annular spout (49) intercommunication, annular baffle (50) and elevating gear all are located annular spout (49), just the lateral wall of annular baffle (50) and the lateral wall sliding connection of annular spout (49), annular baffle (50) cup joint on elevating gear simultaneously.

7. The small watershed ecology monitoring and sampling device of claim 6, wherein: the lifting device comprises a first stepping motor (52) and a second threaded rod (51), the first stepping motor (52) is fixedly connected with the top of the annular sliding groove (49), the top of the second threaded rod (51) is connected with the output end of the first stepping motor (52), and the annular baffle (50) is sleeved on the second threaded rod (51).

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