Lake ecological environment monitoring and sampling device

Abstract

The invention provides a lake ecological environment monitoring and sampling device which comprises a plurality of water storage tanks connected from bottom to top, sealing layers are arranged on the outer walls of the water storage tanks, first water inlet pipes are arranged on the water storage tanks at equal intervals, a first one-way valve is arranged on each first water inlet pipe, and the lake ecological environment monitoring and sampling device further comprises a machine shell arranged outside the water storage tanks. The multiple water storage tanks are slidably connected with the inner wall of the machine shell in the vertical direction, the machine shell is provided with multiple second water inlet pipes corresponding to the water storage tanks one to one, the distance between every two adjacent second water inlet pipes is equal, and each second water inlet pipe is provided with a second one-way valve. A third water inlet pipe is arranged at the bottom of the shell; the piston plate is arranged in the shell between the third water inlet pipe and the water storage tank, is in sliding connection with the inner wall of the shell and is connected with the water storage tank through a push rod; the elastic piece is connected with the water storage tank and the top of the shell; no electrical element is used, the use stability of equipment is improved, and the equipment failure risk value is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of lake ecological environment water quality monitoring, in particular to a lake ecological environment monitoring sampling device. Background Art

[0002] Lake ecological environment monitoring and sampling refers to the collection of various environmental factors, species and biological community data in lake ecosystems through scientific sampling methods and techniques to evaluate key indicators such as the health status of lake ecological environment, pollution level and biodiversity. The monitoring and sampling of lake ecological environment is of great significance to ecological protection, resource management, pollution control and ecological restoration. Lake ecological environment monitoring and sampling mainly includes water quality monitoring sampling, biological monitoring sampling, bottom sediment monitoring sampling and air and precipitation monitoring. Through scientific lake ecological environment monitoring and sampling, we can better understand the changes in lake ecosystems, discover problems in time and take measures to protect the lake ecological environment.

[0003] Lake water sampling is one of the core parts of lake ecological environment monitoring, because lake water can reflect the overall health status, pollution level and its changing trend of lake ecosystem to a greater extent. By collecting and analyzing lake water samples, key information such as water quality, nutrient status, pollution sources, and ecological health can be obtained, which is convenient for the implementation of targeted restoration measures for lakes in the later stage.

[0004] The currently commonly used lake water sampling device needs to be sent to the designated water sampling depth of the lake in advance when sampling at different predetermined depths. The sampling device has multiple water storage tanks arranged from top to bottom, and then the solenoid valve on the water inlet pipe connected to each water storage tank is electrically controlled by the controller to open, so that the lake water enters each water storage tank through the water inlet pipe to complete the water sampling. However, if the controller and the solenoid valve are in a humid environment for a long time, the electrical performance may become unstable, which will affect the normal use of the equipment and increase the risk of equipment failure, which will affect the normal sampling. Summary of the invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a lake ecological environment monitoring sampling device that does not use electrical components, thereby avoiding the risk of equipment failure and the occurrence of unstable use of the equipment.

[0006] In order to solve the above technical problems, the implementation scheme provided by the present invention is to provide a lake ecological environment monitoring sampling device, comprising a plurality of water storage tanks connected from bottom to top, a sealing layer is provided on the outer walls of the plurality of water storage tanks, first water inlet pipes are provided at equal intervals on the plurality of water storage tanks, each first water inlet pipe is provided with a first one-way valve, and further comprising: The casing is arranged outside the multiple water storage tanks, and the multiple water storage tanks are vertically slidably connected to the inner wall of the casing. The casing is provided with multiple second water inlet pipes corresponding to the water storage tanks one by one, and the distance between two adjacent second water inlet pipes is equal. Each second water inlet pipe is provided with a second one-way valve; the bottom of the casing is provided with a third water inlet pipe, and the third one-way valve is provided in the third water inlet pipe.

[0007] The piston plate is arranged in the casing between the third water inlet pipe and the water storage tank, and is slidably connected with the inner wall of the casing. The piston plate is connected to the water storage tank through a connecting rod.

[0008] An elastic member connects the water storage tank and the top of the casing.

[0009] Before sampling, external water needs to overcome the elastic force of the elastic part so that the first water inlet pipe always abuts against the sealing layer before reaching the specified sampling depth; when sampling reaches the specified depth, the elastic part is compressed, and the piston plate pushes the water storage tank upward through the connecting part, so that multiple second water inlet pipes correspond one by one to and are connected with multiple first water inlet pipes.

[0010] Preferably, an alignment member is also included, which is used to ensure that the first water inlet pipes and the second water inlet pipes located on the same water storage tank are aligned during sampling, and the alignment member includes two push rods and two telescopic rods, the two push rods are obliquely symmetrically arranged on both sides of the connecting rod, and the two telescopic rods are symmetrically arranged on both sides of the connecting rod in the horizontal direction, the top end of each push rod is hinged on the piston plate, the bottom end of each push rod is hinged to the telescopic end of the telescopic rod, and the fixed end of each telescopic rod is connected to the connecting rod. Exit holes for the telescopic ends of the telescopic rods to pass through are symmetrically opened on the casing, and a sealing shell connected to each exit hole is provided on the outside of the casing. When the push rod moves upward driven by the piston plate, the telescopic ends of the two telescopic rods are pushed into the sealing shell through the exit hole, so that the multiple second water inlet pipes correspond to and are connected with the multiple first water inlet pipes one by one.

[0011] Preferably, the telescopic end of each telescopic rod is clamped with each sealing shell.

[0012] Preferably, the outer wall of the telescopic end of the telescopic rod is provided with a first rack in the horizontal direction, and a driving gear corresponding to and meshing with the first rack is rotatably connected on the inner wall of the casing. A second rack parallel to the first rack is also meshed on the first rack, and a push plate is fixed to the top of the second rack. The top of the push plate is slidably connected to the inner wall of the casing in the horizontal direction. A plurality of through grooves corresponding to the first water inlet pipes are formed on the push plate, and the first water inlet pipes located in the casing are telescopic pipes. The through grooves are sleeved on the telescopic ends of the first water inlet pipes and fixedly connected to the telescopic ends of the first water inlet pipes.

[0013] Preferably, the diameter of the telescopic end of each telescopic tube is larger than the diameter of the second water inlet pipe, and the inlet of the second water inlet pipe is flush with the sealing layer.

[0014] Preferably, the telescopic end of each telescopic tube is clamped with the second water inlet pipe.

[0015] Preferably, a telescopic guide cylinder is further provided between the water storage tank and the top of the casing, the elastic member is sleeved on the outside of the telescopic guide cylinder, and the telescopic length of the telescopic guide cylinder is greater than or equal to the distance between the first water inlet pipe and the second water inlet pipe located on the same water storage tank before sampling.

[0016] Preferably, a fixing rod is vertically provided on the top of the housing, and scale lines are provided on the fixing rod.

[0017] Preferably, a counterweight is provided outside the casing.

[0018] Compared with the prior art, the present invention has the following beneficial effects: The lake ecological environment monitoring sampling device provided by the present invention is a purely mechanical structure device. There are no electrical components in the device, so it can overcome the problem of the controller and the solenoid valve being in a humid environment for a long time, thereby avoiding unstable electrical performance, improving the safety of normal use of the equipment, avoiding the risk of equipment failure, and achieving normal sampling.

[0019] Before sampling, the lake ecological environment monitoring sampling device provided by the present invention has the piston plate in the casing subjected to the gravity of the water storage tank so that it always covers the outlet of the third water inlet pipe. When sampling is required, the lake ecological environment monitoring sampling device is vertically placed in the sampling lake water area. Since the outlet of the first water inlet pipe is always in contact with the sealing layer, water will not enter the first water inlet pipe before the target water level is reached, and water will enter the third water inlet pipe located at the bottom of the casing. The elastic modulus of the elastic member is the pressure value of water entering the third water inlet pipe. Therefore, before the target water level is reached, water will not enter the casing through the third water inlet pipe, pushing the piston plate and the push rod upward, thereby driving the water storage tank upward. When the elastic member is compressed to the maximum, the multiple second water inlet pipes correspond one-to-one with the multiple first water inlet pipes, so that external water enters the water storage tank from the first water inlet pipe and the second water inlet pipe for storage until the water storage tank is full and sampling is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The present invention is a schematic diagram of the overall structure of a lake ecological environment monitoring sampling device.

[0021] Figure 2 This is a cross section of a lake ecological environment monitoring sampling device of the present invention Figure 1 .

[0022] Figure 3 This is a cross section of a lake ecological environment monitoring sampling device of the present invention Figure 2 .

[0023] Figure 4This is a cross section of a lake ecological environment monitoring sampling device of the present invention Figure 3 .

[0024] Figure 5 This is a connection relationship diagram of a first rack, a driving gear, a second rack and a push plate of a lake ecological environment monitoring sampling device of the present invention.

[0025] Description of reference numerals: 1. Water storage tank, 2. Sealing layer, 3. Casing, 4. Piston plate, 5. Elastic member, 6. Alignment member, 6-1. Push rod, 6-2. Telescopic rod, 7. First rack, 8. Driving gear, 9. Second rack, 10. Push plate, 11. Fixed rod, 12. Telescopic guide cylinder, 13. Counterweight. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings 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 in 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.

[0027] The inventors have found that when a sampling device operated by electrical components is operated for a long time in a humid environment, moisture in the air may penetrate into the interior of the electrical device, especially electrical components such as motors, circuit boards, switches, and wiring terminals. If these components come into contact with moisture, short circuits, leakage, or other electrical failures may occur, which in turn affects the stability of the sampling device, causing the sampling device to malfunction and affecting the long-term stable operation of the device.

[0028] In view of this, the present invention provides a lake ecological environment monitoring sampling device, which does not use electrical components, improves the stability of equipment use, and avoids the risk of equipment failure.

[0029] like Figure 1 to Figure 5 As shown, the present invention provides a lake ecological environment monitoring sampling device, comprising a plurality of water storage tanks 1 connected from bottom to top, a sealing layer 2 is provided on the outer wall of the plurality of water storage tanks 1, first water inlet pipes are provided at equal intervals on the plurality of water storage tanks 1, each first water inlet pipe is provided with a first one-way valve, and further comprising: The casing 3 is arranged outside the multiple water storage tanks 1, and the multiple water storage tanks 1 are vertically slidably connected to the inner wall of the casing 3. The casing 3 is provided with multiple second water inlet pipes corresponding to the water storage tanks 1 one by one, and the distance between two adjacent second water inlet pipes is equal. Each second water inlet pipe is provided with a second one-way valve; a third water inlet pipe is provided at the bottom of the casing 3, and a third one-way valve is provided in the third water inlet pipe.

[0030] The piston plate 4 is disposed in the casing 3 between the third water inlet pipe and the water storage tank 1 and is slidably connected to the inner wall of the casing 3. The piston plate 4 is connected to the water storage tank 1 through a connecting rod.

[0031] The elastic member 5 connects the water storage tank 1 and the top of the housing 3 .

[0032] Before sampling, external water needs to overcome the elastic force of the elastic member 5 so that the first water inlet pipe always abuts against the sealing layer 2 before reaching the specified sampling depth; when sampling reaches the specified depth, the elastic member 5 is compressed, and the piston plate 4 pushes the water storage tank 1 upward through the connecting member, so that the multiple second water inlet pipes correspond one by one to the multiple first water inlet pipes and are connected.

[0033] When using: Before sampling, the lake ecological environment monitoring sampling device provided by the present invention has the piston plate 4 in the casing 3 subjected to the gravity of the water storage tank 1, so that it always covers the outlet of the third water inlet pipe. When sampling is required, the lake ecological environment monitoring sampling device is vertically placed in the sampling lake water area. Since the outlet of the first water inlet pipe is always in contact with the sealing layer 2, water will not enter the first water inlet pipe before the target water level is reached, and water will enter the third water inlet pipe located at the bottom of the casing 3. The elastic modulus of the elastic member 5 is the pressure value of water entering the third water inlet pipe. Therefore, before reaching the target water level, water will not enter the casing 1 from the third water inlet pipe, pushing the piston plate 4 and the connecting rod upward, thereby driving the water storage tank 1 to move upward. When the elastic member 5 is compressed to the maximum, multiple second water inlet pipes correspond one-to-one with multiple first water inlet pipes, so that external water enters the water storage tank 1 from the first water inlet pipe and the second water inlet pipe for storage until the water storage tank 1 completes the sampling.

[0034] Specifically, the present invention provides an alignment member 6, which is used to further achieve accurate water extraction, wherein the alignment member 6 is used to ensure that the first water inlet pipes and the second water inlet pipes located on the same water storage tank 1 are aligned during sampling, and the alignment member 6 includes two push rods 6-1 and two telescopic rods 6-2, the two push rods 6-1 are obliquely symmetrically arranged on both sides of the connecting rod, and the two telescopic rods 6-2 are symmetrically arranged on both sides of the connecting rod in the horizontal direction, the top of each push rod 6-1 is hinged on the piston plate 4, the bottom end of each push rod 6-1 is hinged to the telescopic end of the telescopic rod 6-2, and the fixed end of each telescopic rod 6-2 is connected to the connecting rod, and the casing 3 is symmetrically provided with through holes for the telescopic ends of the telescopic rods 6-2 to pass through, and the casing 3 is sealed with a sealing shell connected to each through hole. When the push rod 6-1 moves upward driven by the piston plate 4, the telescopic ends of the two telescopic rods 6-2 are pushed into the sealing shell through the through hole, so that the multiple second water inlet pipes correspond to and are connected with the multiple first water inlet pipes.

[0035] When using: Before sampling, the lake ecological environment monitoring sampling device provided by the present invention has the piston plate 4 in the casing 3 subjected to the gravity of the water storage tank 1, so that it always covers the outlet of the third water inlet pipe. When sampling is required, the lake ecological environment monitoring sampling device is vertically placed in the lake water area to be sampled. Since the outlet of the first water inlet pipe is always in contact with the sealing layer 2, water will not enter the first water inlet pipe before the target water level is reached, and water will flow into the third water inlet pipe located at the bottom of the casing 3. The elastic modulus of the elastic member 5 is the pressure value of water entering the third water inlet pipe, so when the target water level is reached, the water will flow into the third water inlet pipe. Before the piston plate 4 is in position, water will not enter the casing 3 through the third water inlet pipe, pushing the piston plate 4 and the connecting rod upward, thereby driving the water storage tank 1 to move upward. The upward movement of the piston plate 4 causes the push rod 6-1 to change its angle, thereby pushing the telescopic end of the telescopic rod 6-2 hinged thereto to pass through the outlet hole in the horizontal direction and enter the sealed shell, and the piston plate 4 moves up and the elastic member 5 is compressed to the maximum, thereby both accurately ensuring that the multiple second water inlet pipes correspond one by one to the multiple first water inlet pipes, so that the external water enters the water storage tank 1 from the first water inlet pipe and the second water inlet pipe for storage until the water storage tank 1 completes the sampling successfully.

[0036] Specifically, the telescopic end of each telescopic rod 6 - 2 is snap-connected with each sealing shell, which is a connection method for overcoming the external thrust of water.

[0037] Specifically, in order to further realize the one-to-one correspondence and connection between multiple second water inlet pipes and multiple first water inlet pipes, the outer wall of the telescopic end of the telescopic rod 6-2 is provided with a first rack 7 in the horizontal direction, and a driving gear 8 corresponding to and meshing with the first rack 7 is rotatably connected on the inner wall of the casing 3. A second rack 9 parallel to the first rack 7 is also meshed on the first rack 7, and a push plate 10 is fixed to the top of the second rack 9. The top of the push plate 10 is slidably connected to the inner wall of the casing 3 in the horizontal direction. The push plate 10 is provided with multiple through grooves corresponding to the first water inlet pipes one by one. Each first water inlet pipe located in the casing 3 is a telescopic pipe, and each through groove is sleeved on the telescopic end of each first water inlet pipe and fixedly connected to the telescopic end of each first water inlet pipe.

[0038] When using: When the piston plate 4 moves upward, the angle of the push rod 6-1 changes, thereby pushing the telescopic end of the telescopic rod 6-2 hinged thereto to pass through the outlet hole in the horizontal direction and enter the sealed shell. The first rack 7 located on the outer wall of the telescopic end of the telescopic rod 6-2 drives the driving gear 8 to rotate, thereby driving the second rack 9 meshing with the driving gear 8 to rotate in the opposite direction, thereby driving the push plate 10 connected to the second rack 9 and moving in the horizontal direction to move horizontally. The horizontal movement of the push plate 10 drives the telescopic ends of each first water inlet pipe to connect to the second water inlet pipe, thereby completing precise sampling.

[0039] Specifically, the diameter of the telescopic end of each telescopic tube is larger than the diameter of the second water inlet pipe, and the inlet of the second water inlet pipe is flush with the sealing layer 2. When the push plate 10 moves horizontally, the telescopic end of each telescopic tube is precisely docked with the second water inlet pipe, further realizing accurate sampling.

[0040] Specifically, the telescopic end of each telescopic tube is clamped with the second water inlet pipe.

[0041] Specifically, a telescopic guide cylinder 12 is further provided between the water storage tank 1 and the top of the casing 3, the elastic member 5 is sleeved on the outside of the telescopic guide cylinder 12, and the telescopic length of the telescopic guide cylinder 12 is greater than or equal to the distance between the first water inlet pipe and the second water inlet pipe located on the same water storage tank 1 before sampling, so as to achieve one-to-one correspondence and connection between multiple second water inlet pipes and multiple first water inlet pipes for accurate sampling.

[0042] Specifically, a fixing rod 11 is vertically disposed on the top of the housing 3 , and scale lines are disposed on the fixing rod 11 for accurately knowing the sampling depth.

[0043] Specifically, a counterweight 13 is disposed outside the housing 3 to ensure that the sampling device is vertical.

[0044] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A lake ecological environment monitoring sampling device, comprising a plurality of water storage tanks (1) connected from bottom to top, characterized in that: A sealing layer (2) is provided on the outer wall of the plurality of water storage tanks (1), first water inlet pipes are provided at equal intervals on the plurality of water storage tanks (1), each first water inlet pipe is provided with a first one-way valve, and further comprises: The casing (3) is arranged outside the plurality of water storage tanks (1), and the plurality of water storage tanks (1) are vertically slidably connected to the inner wall of the casing (3); the casing (3) is provided with a plurality of second water inlet pipes corresponding to the water storage tanks (1) one by one, the spacing between two adjacent second water inlet pipes is equal, and each second water inlet pipe is provided with a second one-way valve; a third water inlet pipe is provided at the bottom of the casing (3), and a third one-way valve is provided in the third water inlet pipe; The piston plate (4) is disposed in the casing (3) between the third water inlet pipe and the water storage tank (1) and is slidably connected to the inner wall of the casing (3). The piston plate (4) is connected to the water storage tank (1) via a connecting rod; An elastic member (5) connecting the water storage tank (1) and the top of the housing (3); Before sampling, external water needs to overcome the elastic force of the elastic member (5) so that the first water inlet pipe always abuts against the sealing layer (2) when the designated sampling depth is not reached; when sampling is performed at the designated depth, the elastic member (5) is compressed, and the piston plate (4) pushes the water storage tank (1) upward through the connecting member, so that the plurality of second water inlet pipes correspond to and are connected with the plurality of first water inlet pipes one by one.

2. A lake ecological environment monitoring sampling device according to claim 1, characterized in that: It also includes an alignment member (6), the alignment member (6) being used to ensure that each first water inlet pipe and each second water inlet pipe located on the same water storage tank (1) are aligned during sampling, the alignment member (6) comprising two push rods (6-1) and two telescopic rods (6-2), the two push rods (6-1) being obliquely symmetrically arranged on both sides of the connecting rod, the two telescopic rods (6-2) being symmetrically arranged on both sides of the connecting rod in the horizontal direction, the top end of each push rod (6-1) being hinged on the piston plate (4), and the top end of each push rod (6-1) being hinged on the piston plate (4). The bottom end is hinged to the telescopic end of the telescopic rod (6-2), and the fixed end of each telescopic rod (6-2) is connected to the connecting rod. The housing (3) is symmetrically provided with through holes for the telescopic ends of the telescopic rods (6-2) to pass through. The housing (3) is sealed with a sealing shell connected to each through hole. When the push rod (6-1) moves upward under the drive of the piston plate (4), the telescopic ends of the two telescopic rods (6-2) are pushed through the through holes into the sealing shell, so that the plurality of second water inlet pipes correspond to and are connected with the plurality of first water inlet pipes.

3. A lake ecological environment monitoring sampling device according to claim 2, characterized in that: The telescopic end of each telescopic rod (6-2) is clamped with each sealing shell.

4. A lake ecological environment monitoring sampling device according to claim 2, characterized in that: The outer wall of the telescopic end of the telescopic rod (6-2) is provided with a first rack (7) in the horizontal direction; a driving gear (8) corresponding to and meshing with the first rack (7) is rotatably connected to the inner wall of the housing (3); a second rack (9) parallel to the first rack (7) is also meshed with the first rack (7); a push plate (10) is fixed to the top of the second rack (9); the top of the push plate (10) is slidably connected to the inner wall of the housing (3) in the horizontal direction; a plurality of through grooves corresponding to the first water inlet pipes are formed on the push plate (10); each first water inlet pipe in the housing (3) is a telescopic pipe; each through groove is sleeved on the telescopic end of each first water inlet pipe and is fixedly connected to the telescopic end of each first water inlet pipe.

5. A lake ecological environment monitoring sampling device according to claim 4, characterized in that: The diameter of the telescopic end of each telescopic tube is greater than the diameter of the second water inlet pipe, and the inlet of the second water inlet pipe is flush with the sealing layer (2).

6. A lake ecological environment monitoring sampling device according to claim 4, characterized in that: The telescopic end of each telescopic tube is clamped with the second water inlet pipe.

7. A lake ecological environment monitoring sampling device according to claim 1, characterized in that: A telescopic guide cylinder (12) is further provided between the water storage tank (1) and the top of the housing (3); the elastic member (5) is sleeved outside the telescopic guide cylinder (12); and the telescopic length of the telescopic guide cylinder (12) is greater than or equal to the distance between the first water inlet pipe and the second water inlet pipe located on the same water storage tank (1) before sampling.

8. A lake ecological environment monitoring sampling device according to claim 1, characterized in that: A fixing rod (11) is vertically arranged on the top of the housing (3), and scale lines are arranged on the fixing rod (11).

9. A lake ecological environment monitoring sampling device according to claim 1, characterized in that: A counterweight (13) is provided outside the casing (3).

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