Deep water body sampling device for water quality monitoring

Abstract

The utility model discloses a deep water body sampling device for water quality monitoring, and relates to the technical field of water quality monitoring. The sampling device comprises a sampling cylinder, an adjusting cavity is formed in the sampling cylinder, a sampling channel is formed in the bottom of the sampling cylinder, the sampling channel is communicated with the adjusting cavity, the sampling channel is located at the circle center position of the sampling cylinder, and a plurality of mounting cavities are formed in the bottom of the sampling cylinder. The multiple mounting cavities are all located at the positions, deviating from the circle center, of the sampling barrel, and liquid conveying channels are formed in the tops of the multiple mounting cavities. According to the water quality monitoring deep water body sampling device, efficient and automatic sampling is achieved through optimal design, the sealing performance is good, it is ensured that water samples are pure, meanwhile, the adjusting assembly is driven through the servo motor, the water samples can be flexibly distributed to different liquid storage cylinders, and various requirements are met; the liquid storage cylinder is easy to disassemble and convenient to clean and replace; the overall design improves the sampling efficiency and accuracy, and the operation process is effectively simplified.

Description

Technical Field

[0001] This utility model belongs to the field of water quality monitoring technology, and in particular relates to a deep water sampling device for water quality monitoring. Background Technology

[0002] In the field of water quality monitoring, sampling of deep water bodies is a crucial step in assessing water quality, studying water quality trends, and analyzing pollutant distribution. However, traditional deep water sampling methods still have the following problems in use:

[0003] Traditional deep water sampling methods rely heavily on manual operation, which is not only inefficient but also makes it difficult to guarantee the accuracy and representativeness of the samples. Furthermore, traditional sampling devices can often only perform one sampling at a time, making it difficult to simultaneously sample water from different depths in a single operation, thus limiting their widespread application in water quality monitoring. In addition, due to the complex environment of deep water bodies, there are various suspended solids, silt, and other impurities, which can easily clog the sampling channels during the sampling process, affecting sampling efficiency and quality. Utility Model Content

[0004] The purpose of this invention is to provide a deep water sampling device for water quality monitoring. This device achieves efficient automatic sampling through optimized design, with excellent sealing to ensure water sample purity. Simultaneously, a servo motor drives the adjustment components, allowing for flexible distribution of water samples to different storage cylinders to meet diverse needs. The storage cylinders are easily disassembled for cleaning and replacement, and the bottom protective shell enhances durability. The overall design improves sampling efficiency and accuracy, simplifies the operation process, and represents an innovation in the field of water quality monitoring, solving existing technical problems.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] A deep water sampling device for water quality monitoring, comprising:

[0007] A sampling tube has an adjustment cavity inside and a sampling channel at the bottom, which is connected to the adjustment cavity. The sampling channel is located at the center of the sampling tube. Multiple mounting cavities are located at the bottom of the sampling tube, which are off-center from the center. Infusion channels are provided at the top of the mounting cavities, and the tops of the infusion channels penetrate the circumferential sidewall of the adjustment cavity.

[0008] It also includes multiple liquid storage cylinders, each of which is disposed in a corresponding mounting cavity for storing the sampled liquid;

[0009] The water pump is fixedly embedded in the sampling cylinder and is sealingly arranged in the sampling channel, and the water pump is used to draw external liquid into the sampling channel.

[0010] The top cover is fixedly installed on the top of the sampling cylinder, a fixing ring is fixedly installed on the top of the top cover, the fixing ring cooperates with an external winch through a rope, and the fixing ring is used to realize lifting of the sampling cylinder in water.

[0011] The adjusting assembly is used to make the collected liquid enter different installation cavities.

[0012] Optionally, the adjusting assembly comprises a rotating column sealingly and rotatably arranged in the adjusting cavity, a connecting channel is formed in the rotating column, one end of the connecting channel penetrates through the bottom of the rotating column and cooperates with the sampling channel, the other end of the connecting channel penetrates through the circumferential outer wall of the rotating column and cooperates with the plurality of infusion channels, a servo motor is fixedly installed on the top of the sampling cylinder, the servo motor is located in the top cover, one end of the output shaft of the servo motor is rotatably connected to the top of the rotating column through a connecting shaft and penetrates through the top of the sampling cylinder, and the rotating column can realize communication between the sampling channel and different infusion channels through rotation of the rotating column, so that the collected liquid can enter different liquid storage cylinders.

[0013] Optionally, a connecting clamping base is fixedly embedded in the top inner wall of each of the plurality of installation cavities, a hole is formed in the top of the connecting clamping base and cooperates with the infusion channel, and the plurality of connecting clamping bases sealingly and clampingly cooperate with the corresponding infusion channels, so as to ensure that the collected liquid can stably enter the liquid storage cylinder and is not easily polluted by external water samples.

[0014] Optionally, a fixing groove is formed in one end of each of the plurality of installation cavities close to the bottom of the sampling cylinder, a first sleeve ring is fixedly sleeved on the outer wall of each of the plurality of liquid storage cylinders, threads are formed in the outer wall of the first sleeve ring, the first sleeve ring is threadedly connected with the inner wall of the corresponding fixing groove, and the first sleeve ring is used to fix the liquid storage cylinder; the bottom end of each of the plurality of liquid storage cylinders is located outside the sampling cylinder, a plurality of push blocks are fixedly installed on the outer wall of each of the plurality of liquid storage cylinders close to the bottom end, and the push blocks are used to facilitate rotation of the liquid storage cylinder.

[0015] Optionally, threads are formed in the outer wall of the sampling cylinder close to the bottom end, a bottom protection shell is threadedly connected with the outer wall of the sampling cylinder, the bottom protection shell is used to protect the bottom end of the plurality of liquid storage cylinders, and a limiting ring is fixedly sleeved on the outer wall of the sampling cylinder and is used to limit installation of the bottom protection shell.

[0016] Optionally, the bottom of the sampling cylinder is fixedly provided with a sampling tube, the sampling tube is matched with the sampling channel, one end of the sampling tube penetrates through the bottom of the bottom protective shell, the one end of the sampling tube is provided with a second thimble, the second thimble is threadedly connected with the inner wall of the sampling tube through the threads formed on the outer wall, the one end of the second thimble is fixedly provided with a filter screen, the filter screen is used for filtering sundries of the collected water source, and the inner wall of the second thimble is fixedly provided with a plurality of convex strips for conveniently rotating the second thimble.

[0017] The embodiment of the utility model has the following beneficial effects:

[0018] In the utility model, the sampling cylinder, the liquid storage cylinder, the water pump and the adjusting assembly are organically combined through the ingenious structure design, the automatic sampling and storage of the deep water body are realized, in the sampling process, the water sample collection of different depths can be completed only by controlling the lifting of the sampling cylinder through the external winch, the operation steps are greatly simplified, and the sampling efficiency is improved.

[0019] In the utility model, the sealing design is adopted, the water sample cannot be leaked in the sampling process, the pollution of the external impurities is avoided, and the sampling accuracy is guaranteed, in addition, the filter screen is arranged to filter the collected water source, the impurities such as suspended solids and silt are effectively removed, and the quality of the collected water sample is improved.

[0020] In the utility model, the communication between the sampling channel and the different infusion channels is realized by rotating the rotating column driven by the servo motor, then the collected water sample can be distributed into different liquid storage cylinders, this design not only facilitates the classified storage of the water sample of different depths, but also greatly improves the applicability and flexibility of the device.

[0021] In the utility model, a plurality of liquid storage cylinders are fixed in the mounting cavity through the threaded connection, the installation is firm, and the replacement is convenient, when the liquid storage cylinder needs to be cleaned or replaced, the cleaning and replacement can be completed only by simple rotation, the workload of cleaning and maintenance is greatly reduced, meanwhile, the bottom protective shell is arranged at the bottom of the sampling cylinder, the bottom end of the liquid storage cylinder is effectively protected, the damage caused by the collision in the sampling process is avoided, and the service life of the device is prolonged.

[0022] Of course, it is not necessary for any product implementing the utility model to achieve all the advantages mentioned above. DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without paying creative labor.

[0024] Figure 1 It is three-dimensional structure schematic view of an embodiment of the utility model;

[0025] Figure 2 It is split structure schematic view of an embodiment of the utility model;

[0026] Figure 3 It is sampling cylinder cross section structure schematic view of an embodiment of the utility model;

[0027] Figure 4 It is whole cross section structure schematic view of an embodiment of the utility model;

[0028] Figure 5 It is filter screen installation structure schematic view of an embodiment of the utility model.

[0029] In the drawing: 1, sampling cylinder; 2, top cover; 3, limiting ring; 4, bottom protective shell; 5, fixed ring; 6, sampling pipe; 7, servo motor; 8, rotating column; 9, liquid storage cylinder; 10, first sleeve ring; 11, adjusting cavity; 12, liquid delivery channel; 13, installation cavity; 14, connecting clamping base; 15, fixed groove; 16, sampling channel; 17, water pump; 18, connecting channel; 19, second sleeve ring; 20, filter screen. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] In the description of the utility model, it is understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.

[0032] In order to keep the following description of the embodiments of the utility model clear and concise, the utility model omits the detailed description of known functions and known components.

[0033] Embodiment 1

[0034] Please refer to Figures 1-5 As shown in the drawing, in the embodiment, a deep water sampling device is provided, which comprises a sampling cylinder 1, a plurality of liquid storage cylinders 9, a water pump 17, a top cover 2, an adjusting assembly and the like.

[0035] The sampling cylinder 1 is the main part of the device, and an adjusting cavity 11 is formed in the inside of the sampling cylinder 1, which is used for changing the flow direction of the collected water sample. A sampling channel 16 is formed at the bottom of the sampling cylinder 1 at the position of the center of the circle, and the sampling channel 16 is connected with the adjusting cavity 11 and is used for guiding the water sample into the inside of the device. In addition, a plurality of installation cavities 13 deviating from the center of the circle are formed at the bottom of the sampling cylinder 1, and the installation cavities 13 are used for installing the liquid storage cylinders 9. The top of each installation cavity 13 is provided with a liquid delivery channel 12, and the liquid delivery channel 12 penetrates the circumferential side wall of the adjusting cavity 11 and is used for delivering the water sample from the adjusting cavity 11 to each liquid storage cylinder 9.

[0036] The liquid storage cylinder 9 is arranged in the corresponding installation cavity 13 and is used for storing the collected water sample. Each liquid storage cylinder 9 can be independently disassembled, which is convenient for subsequent analysis and processing of the water sample.

[0037] The water pump 17 is fixedly embedded in the sampling cylinder 1 and is sealingly arranged in the sampling channel 16. The water pump is used for pumping the deep water outside into the sampling channel 16, so as to complete the collection of the water sample.

[0038] The top cover 2 is fixedly installed at the top of the sampling cylinder 1, and the fixing ring 5 is fixedly installed on the top cover 2. The fixing ring 5 is connected with the external winch through a rope, so as to realize the lifting operation of the sampling cylinder 1 in the water and facilitate the sampling in the water body at different depths.

[0039] In the embodiment, the adjusting assembly includes a rotating column 8 which is sealingly and rotatably arranged in the inside of the adjusting cavity 11. The rotating column 8 is internally provided with a connecting channel 18, one end of the connecting channel 18 is connected with the sampling channel 16, and the other end of the connecting channel 18 is matched with the plurality of liquid delivery channels 12. The servo motor 7 is installed at the top of the sampling cylinder 1, and the output shaft of the servo motor 7 is fixedly connected with the top of the rotating column 8 through a connecting shaft. When the servo motor 7 works, the rotating column 8 can be driven to rotate, so as to realize the connection between the sampling channel 16 and the different liquid delivery channels 12, and the collected water sample can enter the designated liquid storage cylinder 9.

[0040] The present application can be used in the field of water quality monitoring, and can also be used in other fields applicable to the present application.

[0041] Embodiment 2

[0042] Reference Figure 2 、 3 , 5, on the basis of the improvement in embodiment 1: a water quality monitoring deep water sampling device applied to the field of water quality monitoring;

[0043] Firstly, the connecting clamping seat 14 is fixedly embedded in the top inner wall of each installation cavity 13, and the top of the connecting clamping seat 14 is provided with a hole matched with the liquid delivery channel 12. The connecting clamping seat 14 is sealingly clamped with the liquid delivery channel 12, so as to ensure that the water sample is not polluted in the delivery process.

[0044] Second, the installation cavity 13 near the bottom of the sampling cylinder 1 end are provided with a fixed groove 15, the outer wall of the liquid storage cylinder 9 fixedly provided with a threaded first sleeve 10. The first sleeve 10 and fixed groove 15 threaded connection, realize the stable installation of liquid storage cylinder 9. The bottom end of the liquid storage cylinder 9 is located outside the sampling cylinder 1, and is provided with a dial block, facilitating the rotation and disassembly of the liquid storage cylinder 9.

[0045] In addition, the bottom of the sampling cylinder 1 is also provided with a bottom protection shell 4, which is connected with the outer wall of the sampling cylinder 1 by screw thread, and provides protection for the bottom end of the liquid storage cylinder 9. The outer wall of the bottom protection shell 4 is fixedly provided with two handles, which facilitates the rotation of the bottom protection shell 4 and facilitates the carrying of the device; at the same time, the outer wall of the sampling cylinder 1 is also fixedly provided with a limiting ring 3, which can limit the installation position of the bottom protection shell 4.

[0046] Further, in the embodiment, the sampling pipe 6 is fixedly installed at the bottom of the sampling cylinder 1 and communicates with the sampling channel 16. One end of the sampling pipe 6 penetrates the bottom of the bottom protection shell 4 and is provided with a second sleeve 19. The second sleeve 19 is threadedly connected with the inner wall of the sampling pipe 6 through the thread formed on the outer wall, and a filter screen 20 is fixedly installed in the second sleeve 19. The filter screen 20 is used for filtering sundries in the collected water sample, so as to ensure the purity of the water sample. The inner wall of the second sleeve 19 is also provided with a plurality of convex strips, which facilitates the rotation and disassembly of the filter screen 20.

[0047] However, as known to those skilled in the art, the working principle and wiring method of the servo motor 7 and the water pump 17 are common, which belong to conventional means or common knowledge, and will not be described here. Those skilled in the art can make any selection according to their needs or convenience.

[0048] The use process and working principle of the technical scheme of the utility model are as follows:

[0049] In use, the plurality of liquid storage cylinders 9 are respectively screwed into the fixing grooves 15 in the mounting cavities 13 at the bottom of the sampling cylinder 1 through the first collars 10 on the outer walls of the liquid storage cylinders 9, so that the liquid storage cylinders 9 are stably mounted and sealed, and then the bottom protective shell 4 is sleeved on the outer wall of the sampling tube 6 and is screwed at the bottom of the sampling cylinder 1, so that the bottom protective shell 4 protects the plurality of liquid storage cylinders 9; then, the fixing ring 5 at the top of the top cover 2 is connected with an external winch through a rope, so that the sampling device can freely ascend and descend in water; when sampling, the external winch is started, the device is slowly lowered into the water body to be monitored through the rope, and the device is lowered into the deep water area; when the device reaches the predetermined depth, the water pump 17 in the sampling cylinder 1 is started, and the water pump 17 can suck the water outside into the sampling cylinder 1 through the sampling tube 6 and the sampling channel 16; at this time, the filter screen 20 filters out sundries in the water, so that the sampling liquid is clean; the device can independently store the sampling water obtained at different sampling positions; specifically, the servo motor 7 on the control device is controlled, so that the output shaft drives the rotating column 8 to rotate, and the connecting channel 18 in the rotating column 8 is aligned and communicated with different liquid conveying channels 12; when the device is located at a certain sampling depth in the water body, the rotating angle of the servo motor 7 is adjusted at this time, so that the connecting channel 18 is communicated with the specified liquid conveying channel 12, so that the collected water sample can be guided into the corresponding liquid storage cylinder 9 for storage; after one sampling operation is completed, the user can move the device to different positions in the deep water area, and can perform water sampling multiple times according to the above operation, until the plurality of liquid storage cylinders 9 are all completed; after the collection of the required water sample is completed, the sampling device is slowly lifted from the water body by the external winch, and is completely recovered to the ground. After the device is recovered, the bottom protective shell 4 is disassembled, and then the liquid storage cylinders 9 are rotated out of the mounting cavities 13 of the sampling cylinder 1 one by one, and attention should be paid to prevent the water sample from spilling; then, the water samples in the liquid storage cylinders 9 are sent to a laboratory for analysis, and water quality monitoring data can be obtained.

[0050] It should be noted that, in the description of the present specification, the description such as "first", "second", etc. is only used to distinguish the features, and does not have actual order or pointing meaning, and the present application is not limited thereto.

[0051] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A water quality monitoring deep water body sampling device, characterized in that, The utility model provides a sampling device, which comprises a sampling cylinder (1) having an adjusting cavity (11) in the interior, a sampling channel (16) in the bottom of the sampling cylinder (1) and communicating with the adjusting cavity (11), a plurality of installation cavities (13) in the bottom of the sampling cylinder (1) and located away from the center of the sampling cylinder (1), and a plurality of infusion channels (12) in the top of the installation cavities (13) and penetrating through the circumferential sidewall of the adjusting cavity (11). The sampling device further comprises a plurality of liquid storage cylinders (9) arranged in the installation cavities (13) respectively for storing sampling liquid. The sampling device further comprises a water pump (17) fixedly embedded in the sampling cylinder (1) and arranged in the sampling channel (16) in a sealed manner, and the water pump (17) is used for pumping external liquid into the sampling channel (16). The sampling device further comprises a top cover (2) fixedly arranged on the top of the sampling cylinder (1), and a fixing ring (5) fixedly arranged on the top of the top cover (2), wherein the fixing ring (5) is matched with an external winch through a rope to realize the lifting of the sampling cylinder (1) in water. The sampling device further comprises an adjusting assembly for enabling the collected liquid to enter different installation cavities (13). The adjusting assembly comprises a rotating column (8) arranged in the adjusting cavity (11) in a sealed and rotating manner, a connecting channel (18) arranged in the interior of the rotating column (8), one end of the connecting channel (18) penetrating through the bottom of the rotating column (8) and matched with the sampling channel (16), the other end of the connecting channel (18) penetrating through the circumferential outer wall of the rotating column (8) and matched with the plurality of infusion channels (12), a servo motor (7) fixedly arranged on the top of the sampling cylinder (1) and located in the top cover (2), and an output shaft of the servo motor (7) rotatably penetrating through the top of the sampling cylinder (1) through a connecting shaft and fixedly connected with the top of the rotating column (8), wherein the rotating column (8) can realize the communication between the sampling channel (16) and different infusion channels (12) through the rotation of the rotating column (8), and thus the collected liquid can enter different liquid storage cylinders (9).

2. A water quality monitoring deep water body sampling device as claimed in claim 1, wherein, The top inner wall of each installation cavity (13) is fixedly embedded with a connecting clamping base (14), the top of the connecting clamping base (14) is provided with a hole matched with the infusion channel (12), and each connecting clamping base (14) is matched with the corresponding infusion channel (12) in a sealed and clamping manner to ensure that the collected liquid can stably enter the liquid storage cylinder (9) and is not easily polluted by external water samples.

3. The water quality monitoring deep water body sampling device of claim 1, wherein, ​ 4. A water quality monitoring deep water body sampling device as claimed in claim 3, wherein, A plurality of mounting cavities (13) are provided with fixing grooves (15) near one end of the bottom of the sampling cylinder (1), a plurality of liquid storage cylinders (9) are provided with first collars (10) fixed on the outer wall, the outer wall of the first collar (10) is provided with threads, the first collar (10) is threadedly connected with the inner wall of the corresponding fixing groove (15), so as to fix the liquid storage cylinder (9); the bottom end of the plurality of liquid storage cylinders (9) is located outside the sampling cylinder (1), and a plurality of push blocks are fixedly installed on the outer wall near the bottom end of the plurality of liquid storage cylinders (9), so as to facilitate the rotation of the liquid storage cylinder (9).

5. A water quality monitoring deep water body sampling device as claimed in claim 4, wherein, The outer wall of the sampling cylinder (1) near the bottom end is provided with threads, the outer wall of the sampling cylinder (1) is threadedly connected with a bottom protection shell (4), the bottom protection shell (4) is used for protecting the bottom end of the plurality of liquid storage cylinders (9), and the outer wall of the sampling cylinder (1) is fixedly provided with a limiting ring (3), which is used for limiting the installation of the bottom protection shell (4).

6. A water quality monitoring deep water body sampling device as claimed in claim 5, wherein, The bottom of the sampling cylinder (1) is fixedly provided with a sampling pipe (6), the sampling pipe (6) is matched with a sampling channel (16), one end of the sampling pipe (6) penetrates through the bottom of the bottom protection shell (4), one end of the sampling pipe (6) is provided with a second collar (19), the second collar (19) is threadedly connected with the inner wall of the sampling pipe (6) through the threads on the outer wall, the inner wall of the second collar (19) is fixedly provided with a plurality of convex strips, so as to facilitate the rotation of the second collar (19).

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