A rapid sampling device for monitoring mercury ion concentration in water environment

Abstract

The invention discloses a rapid sampling device for monitoring mercury ion concentration in a water environment. When sampling is performed, the sampling device is installed on an unmanned sampling boat or an unmanned aerial vehicle, and the sampling device is brought to a sampling area by the unmanned sampling boat or the unmanned aerial vehicle. Then, the sampling device of the invention is used for sampling, and sampling at different depths can be achieved according to requirements. Sampling at multiple positions and depths (generally more than 12) can be achieved at one time, which can effectively improve the convenience and quickness of sampling. GPS and a water depth sensor are also used to detect the sampling position information and depth information, so that the sampling sample is stored in a one-to-one correspondence with the position information and the depth information, which is convenient for subsequent analysis of mercury ions. The invention can effectively achieve the sampling of water at different depths, is simple and convenient, and the structure is easy to install, which effectively improves the simplicity of the sampling device.

Description

Technical Field

[0001] The invention specifically relates to a rapid sampling device for monitoring mercury ion concentration in a water environment, and relates to the relevant field of sampling equipment. Background Art

[0002] At present, in order to understand the pollution of the water environment, it is generally necessary to conduct laboratory testing of heavy metal ions in the water environment, especially the detection of mercury ions in the water. Since the detection of mercury ions is generally completed in the laboratory, it is necessary to sample the water environment before the test in order to conduct corresponding laboratory analysis. When sampling, unmanned boats, drones and other equipment are generally used to automatically reach the sampling site, and then sample the water at each location according to the sampling needs. After sampling, the corresponding location information is marked and then taken back to the laboratory for one-by-one analysis and research. This sampling method makes it difficult to sample water at multiple different locations and depths at one time, resulting in relatively low actual sampling efficiency and affecting the progress of the sampling experiment. Summary of the invention

[0003] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a rapid sampling device for monitoring mercury ion concentration in a water environment.

[0004] The present invention is implemented in this way: a rapid sampling device for monitoring mercury ion concentration in a water environment is constructed. A rapid sampling device for monitoring mercury ion concentration in a water environment comprises a mounting base, a bracket, a crossbeam, a dividing rotary motor, a connecting ring frame, a sampling chamber assembly, a sampling suction head, a sampling tube, a sampling driver, a sampling connector and a depth adjustment mechanism, wherein a vertically extending bracket is fixedly arranged on one side of the mounting base, a horizontally extending crossbeam is fixedly arranged on the top of the bracket, a vertically downwardly facing dividing rotary motor is arranged on the end of the crossbeam, an output end of the dividing rotary motor is detachably connected to the connecting ring frame, a lower end of the connecting ring frame is fixedly connected to the sampling chamber assembly, a bottom of the sampling chamber assembly is rotatably supported on the other side of the mounting base, and the sampling chamber assembly The component comprises a plurality of sampling chambers arranged in a circular array, the sampling driver is arranged at a position near the bracket on the mounting base, the output end of the sampling driver is connected to the sampling connector, the sampling connector can be moved toward or away from the sampling chamber assembly under the drive of the sampling driver, the sampling connector is connected to the sampling suction head through the sampling tube, a sampling pump is arranged between the sampling tube and the sampling connector, the depth adjustment mechanism is arranged on the bracket, the depth adjustment mechanism can act on the sampling tube so as to adjust the sampling depth of the sampling suction head extending into the water by controlling the wound sampling tube, and the indexing rotary motor can drive the sampling chamber assembly to rotate indexingly around its vertical center axis so as to make different sampling chambers dock with the sampling connector.

[0005] Furthermore, preferably, a water depth sensor is provided on the sampling nozzle to detect the depth information of the sampling nozzle in real time, and a GPS device is provided on the mounting base or the crossbeam to record the sampling position information in real time through the GPS device during sampling.

[0006] Further, as a preference, a bearing seat is provided at the end of the mounting base, a support bearing is provided in the bearing seat, and the bottom of the sampling chamber assembly is supported in the support bearing.

[0007] Further, as a preference, the sampling bin assembly as a whole is a combined conical structure, and the combined conical structure includes an upper conical structure and a lower conical structure, the upper conical structure is a conical shape with a small cross-section at the upper end and a large cross-section at the lower end, and the lower conical structure is a conical shape with a large cross-section at the upper end and a small cross-section at the lower end.

[0008] Further, as a preference, each sampling chamber of the sampling chamber assembly is connected and provided with a docking joint, and the end of the sampling connector can be sealed and docked with the docking joint.

[0009] Further, as a preference, the sampling bin assembly includes a sampling bin, an upper connecting ring, a middle connecting ring and a lower connecting ring, a plurality of the sampling bins are arranged in a circular array within the upper connecting ring, the middle connecting ring and the lower connecting ring, and the upper connecting ring is connected to the top of the sampling bin, the middle connecting ring is connected to the middle outer side of the sampling bin, the lower connecting ring is connected to the bottom of the sampling bin, and a connecting shaft is integrally provided at the center of the lower connecting ring, and the connecting shaft is fixedly installed in a support bearing.

[0010] Further, as a preference, the connecting ring frame includes a plurality of bar frames arranged circumferentially, the lower end of each bar frame is connected to the upper connecting ring, the upper end of each bar frame is connected to a mounting ring, the outer diameter of the mounting ring is smaller than the outer diameter of the upper connecting ring, and the mounting ring is connected and installed on the output end of the indexing rotary motor.

[0011] Further, as a preference, a support is provided on the mounting base at the position of the sampling connector, a through hole is provided at the center of the support for the sampling connector to slide through, the sampling driver is a linear driver, and an auxiliary support rod is fixedly connected between the bracket and the support.

[0012] Further, preferably, the bracket is a hollow structure, the depth adjustment mechanism is arranged in the hollow cavity of the bracket, the depth adjustment mechanism includes a depth adjustment motor and a winding shaft, the output end of the depth adjustment motor is connected to the winding shaft, the sampling tube is wound on the winding shaft, and the sampling nozzle is also fixedly provided with a counterweight block so that the sampling nozzle can be extended underwater by using the counterweight block.

[0013] Further, as a preference, the sampling bin includes a fan-shaped bin body and a bin seat, the bottom of the fan-shaped bin body is detachably sealed with the bin seat, an air port is provided on one side of the upper end of the fan-shaped bin body, a connecting port is provided on the lower side of the fan-shaped bin body or the side of the bin seat, the sampling connecting head is connected and arranged on the connecting port, and the intermediate connecting ring is arranged at the connection between the fan-shaped bin body and the bin seat.

[0014] The present invention has the following advantages: Compared with similar devices, the present invention provides a rapid sampling device for monitoring mercury ion concentration in a water environment, which has the following advantages:

[0015] The invention discloses a rapid sampling device for monitoring mercury ion concentration in a water environment. When sampling is performed, the sampling device is installed on an unmanned sampling boat or an unmanned aerial vehicle, and the sampling device is brought to a sampling area by the unmanned sampling boat or the unmanned aerial vehicle. Then, the sampling device of the invention is used for sampling, and sampling at different depths can be achieved as required. Sampling at multiple positions and depths (generally more than 12) can be achieved at one time, which can effectively improve the convenience and speed of sampling. GPS and a water depth sensor are also used to detect the sampling position information and depth information, and one-to-one corresponding storage of the sampling sample and the position information and depth information is achieved, which is convenient for subsequent analysis of mercury ions. The invention can effectively achieve the sampling of water at different depths, is simple and convenient, and the structure is easy to install, which effectively improves the simplicity of the sampling equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall main structure of the present invention;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the sampling chamber assembly of the present invention;

[0018] Figure 3 It is a structural schematic diagram of the sampling connector of the bracket of the present invention;

[0019] Figure 4 It is a schematic diagram of the structure of the sampling bin of the present invention. DETAILED DESCRIPTION

[0020] The following will be combined with the attached Figure 1-4 The present invention is described in detail, and the technical solutions in the embodiments of the present invention are clearly and completely described. 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.

[0021] The present invention provides a rapid sampling device for monitoring mercury ion concentration in a water environment through improvement, which includes a mounting base 9, a bracket 2, a crossbeam 1, a dividing rotary motor 16, a connecting ring frame 15, a sampling chamber assembly, a sampling suction head 7, a sampling tube 5, a sampling driver 4, a sampling connector 8 and a depth adjustment mechanism 3, wherein the bracket 2 extending vertically is fixedly arranged on one side of the mounting base, a crossbeam extending horizontally is fixedly arranged on the top of the bracket 2, a dividing rotary motor facing vertically downward is arranged on the end of the crossbeam, the output end of the dividing rotary motor is detachably connected to the connecting ring frame, the lower end of the connecting ring frame is fixedly connected to the sampling chamber assembly, the bottom of the sampling chamber assembly is rotatably supported on the other side of the mounting base, and the sampling chamber assembly includes a circular array arrangement. A plurality of sampling chambers 13, wherein the sampling driver 4 is arranged on the mounting base at a position close to the bracket, the output end of the sampling driver is connected to the sampling connector 8, the sampling connector 8 can move toward or away from the sampling chamber assembly under the drive of the sampling driver, the sampling connector is connected to the sampling suction head 7 through the sampling tube, a sampling pump is arranged between the sampling tube and the sampling connector, the bracket 2 is provided with the depth adjustment mechanism 3, the depth adjustment mechanism 3 can act on the sampling tube so as to adjust the sampling depth of the sampling suction head 7 inserted into the water by controlling the wound sampling tube 5, the indexing rotary motor can drive the sampling chamber assembly to rotate indexingly around its vertical center axis so as to allow different sampling chambers to dock with the sampling connector 8.

[0022] In this embodiment, a water depth sensor 6 is provided on the sampling nozzle to detect the depth information of the sampling nozzle in real time, and a GPS device is provided on the mounting base or the crossbeam to record the sampling position information in real time through the GPS device during sampling.

[0023] The present invention is also provided with a controller and a memory, which can control the operation and storage of the entire device. The memory can be used to realize the one-to-one correspondence storage of each sampling bin and the corresponding position information and depth information, which is convenient for subsequent experimental analysis. In order to facilitate this one-to-one corresponding storage, each sampling bin is provided with a corresponding number, and the number is stored in a one-to-one correspondence with the position information and depth information.

[0024] A bearing seat is disposed at the end of the mounting base, a support bearing 10 is disposed in the bearing seat, and the bottom of the sampling chamber assembly is supported in the support bearing.

[0025] The sampling bin assembly as a whole is a combined conical structure, which includes an upper conical structure and a lower conical structure. The upper conical structure is a conical shape with a small cross-section at the upper end and a large cross-section at the lower end, and the lower conical structure is a conical shape with a large cross-section at the upper end and a small cross-section at the lower end.

[0026] Each sampling chamber of the sampling chamber assembly is connected with a docking joint 11 , and the end of the sampling connector 8 can be sealed and docked with the docking joint 11 .

[0027] The sampling bin assembly includes a sampling bin 13, an upper connecting ring 14, an intermediate connecting ring 12 and a lower connecting ring, and a plurality of the sampling bins are arranged in a circular array within the upper connecting ring, the intermediate connecting ring 12 and the lower connecting ring, and the upper connecting ring is connected to the top of the sampling bin 13, the intermediate connecting ring 12 is connected to the middle outer side of the sampling bin 13, the lower connecting ring is connected to the bottom of the sampling bin 13, and a connecting shaft is integrally provided at the center of the lower connecting ring, and the connecting shaft is fixedly installed in a supporting bearing.

[0028] The connecting ring frame 15 includes a plurality of bar frames arranged circumferentially, the lower end of each bar frame is connected to the upper connecting ring, and the upper end of each bar frame is connected to a mounting ring 23, the outer diameter of the mounting ring is smaller than the outer diameter of the upper connecting ring, and the mounting ring is connected and installed at the output end of the indexing rotary motor.

[0029] A support is provided on the mounting base at the position of the sampling connector 8, a through hole is provided at the center of the support for the sampling connector to slide through, the sampling driver 4 is a linear driver, and an auxiliary support rod 18 is fixedly connected between the bracket 2 and the support.

[0030] The bracket is a hollow structure, and the depth adjustment mechanism 3 is arranged in the hollow cavity 24 of the bracket. The depth adjustment mechanism 3 includes a depth adjustment motor and a winding shaft. The output end of the depth adjustment motor is connected to the winding shaft, and the sampling tube 5 is wound on the winding shaft. A counterweight block is also fixedly sleeved on the sampling suction head 7 so that the sampling suction head can be extended underwater by using the counterweight block.

[0031] The sampling bin includes a fan-shaped bin body 19 and a bin seat 20. The bottom of the fan-shaped bin body is detachably sealed with the bin seat. An air port is provided on one side of the upper end of the fan-shaped bin body. A connecting port 21 is provided on the lower side of the fan-shaped bin body or the side of the bin seat. The sampling connector 8 is arranged on the connecting port, and the intermediate connecting ring is arranged at the connection between the fan-shaped bin body 19 and the bin seat 20.

[0032] The invention discloses a rapid sampling device for monitoring mercury ion concentration in a water environment. When sampling is performed, the sampling device is installed on an unmanned sampling boat or an unmanned aerial vehicle, and the sampling device is brought to a sampling area by the unmanned sampling boat or the unmanned aerial vehicle. Then, the sampling device of the invention is used for sampling, and sampling at different depths can be achieved as required. Sampling at multiple positions and depths (generally more than 12) can be achieved at one time, which can effectively improve the convenience and speed of sampling. GPS and a water depth sensor are also used to detect the sampling position information and depth information, and one-to-one corresponding storage of the sampling sample and the position information and depth information is achieved, which is convenient for subsequent analysis of mercury ions. The invention can effectively achieve the sampling of water at different depths, is simple and convenient, and the structure is easy to install, which effectively improves the simplicity of the sampling equipment.

[0033] The above shows and describes the basic principle, main features and advantages of the present invention, and the standard parts used in the present invention can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0034] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rapid sampling device for monitoring mercury ion concentration in a water environment, characterized in that: The invention comprises a mounting base (9), a bracket (2), a crossbeam (1), a dividing rotary motor (16), a connecting ring frame (15), a sampling chamber assembly, a sampling suction head (7), a sampling tube (5), a sampling driver (4), a sampling connector (8) and a depth adjustment mechanism (3), wherein a bracket (2) extending vertically is fixedly arranged on one side of the mounting base, a crossbeam extending horizontally is fixedly arranged on the top of the bracket (2), a dividing rotary motor facing vertically downward is arranged on the end of the crossbeam, an output end of the dividing rotary motor is detachably connected to a connecting ring frame, a lower end of the connecting ring frame is fixedly connected to a sampling chamber assembly, a bottom of the sampling chamber assembly is rotatably supported on the other side of the mounting base, and the sampling chamber assembly comprises a plurality of sampling chambers (1) arranged in a circular array. 3), a sampling driver (4) is arranged near the bracket on the mounting base, the output end of the sampling driver is connected to the sampling connector (8), the sampling connector (8) can move toward or away from the sampling chamber assembly under the drive of the sampling driver, the sampling connector is connected to the sampling suction head (7) through the sampling tube, a sampling pump is arranged between the sampling tube and the sampling connector, a depth adjustment mechanism (3) is arranged on the bracket (2), the depth adjustment mechanism (3) can act on the sampling tube, so as to adjust the sampling depth of the sampling suction head (7) inserted into the water by controlling the wound sampling tube (5), and the indexing rotary motor can drive the sampling chamber assembly to rotate indexingly around its vertical center axis, so as to make different sampling chambers dock with the sampling connector (8); The sampling chamber assembly comprises a sampling chamber (13), an upper connecting ring (14), an intermediate connecting ring (12) and a lower connecting ring, wherein a plurality of sampling chambers are arranged in a circular array in the upper connecting ring, the intermediate connecting ring (12) and the lower connecting ring, wherein the upper connecting ring is connected to the top of the sampling chamber (13), the intermediate connecting ring (12) is connected to the middle outer side of the sampling chamber (13), the lower connecting ring is connected to the bottom of the sampling chamber (13), and a connecting shaft is integrally provided at the center of the lower connecting ring, and the connecting shaft is fixedly installed in a supporting bearing; The connecting ring frame (15) comprises a plurality of bar frames arranged circumferentially, the lower end of each bar frame is connected to the upper connecting ring, the upper end of each bar frame is connected to a mounting ring (23), the outer diameter of the mounting ring is smaller than the outer diameter of the upper connecting ring, and the mounting ring is connected and mounted on the output end of the indexing rotary motor; The sampling bin comprises a fan-shaped bin body (19) and a bin seat (20); the bottom of the fan-shaped bin body is detachably sealed and provided with a bin seat; one side of the upper end of the fan-shaped bin body is provided with an air port; the lower side surface of the fan-shaped bin body or the side surface of the bin seat is provided with a connecting port (21); a sampling connector (8) is connected and arranged on the connecting port; and an intermediate connecting ring is arranged at the connection between the fan-shaped bin body (19) and the bin seat (20).

2. A rapid sampling device for monitoring mercury ion concentration in a water environment according to claim 1, characterized in that: A water depth sensor (6) is arranged on the sampling suction head so as to detect the depth information of the sampling suction head in real time, and a GPS device is arranged on the mounting base or the crossbeam so as to record the sampling position information in real time through the GPS device during sampling.

3. A rapid sampling device for monitoring mercury ion concentration in a water environment according to claim 1, characterized in that: A bearing seat is arranged at the end of the mounting base, a support bearing (10) is arranged in the bearing seat, and the bottom of the sampling chamber assembly is supported in the support bearing.

4. A rapid sampling device for monitoring mercury ion concentration in a water environment according to claim 1, characterized in that: The sampling bin assembly is a combined conical structure as a whole, which includes an upper conical structure and a lower conical structure. The upper conical structure is a conical shape with a small cross-section at the upper end and a large cross-section at the lower end, and the lower conical structure is a conical shape with a large cross-section at the upper end and a small cross-section at the lower end.

5. A rapid sampling device for monitoring mercury ion concentration in a water environment according to claim 1, characterized in that: Each sampling chamber of the sampling chamber assembly is connected and provided with a docking joint (11), and the end of the sampling connector (8) can be sealed and docked with the docking joint (11).

6. A rapid sampling device for monitoring mercury ion concentration in a water environment according to claim 1, characterized in that: A support is provided on the mounting base at the position of the sampling connector (8), a through hole is provided at the center of the support for the sampling connector to slide through, the sampling driver (4) is a linear driver, and an auxiliary support rod (18) is fixedly connected between the bracket (2) and the support.

7. A rapid sampling device for monitoring mercury ion concentration in a water environment according to claim 1, characterized in that: The support is a hollow structure, and the depth adjustment mechanism (3) is arranged in the hollow cavity (24) of the support. The depth adjustment mechanism (3) comprises a depth adjustment motor and a winding shaft. The output end of the depth adjustment motor is connected to the winding shaft, and the sampling tube (5) is wound on the winding shaft. A counterweight block is also fixedly sleeved on the sampling suction head (7), so that the sampling suction head can be extended underwater by using the counterweight block.

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