An automated water quality sampling device

Abstract

This utility model relates to the field of water quality sampling technology. It discloses an automated water quality sampling device, comprising a water sampler body, a cable reel mechanism, a support ring, and a conical filter assembly. The water sampler body has a water inlet at its bottom and is equipped with conventional water intake mechanisms such as baffles inside. The support ring is detachably installed at the bottom of the water sampler body using fixing bolts. This structural design facilitates disassembly, cleaning, or replacement of filter assemblies of different specifications. By incorporating a sliding conical filter assembly at the bottom of the water sampler body, this utility model effectively intercepts leaves, plastic fragments, and other floating debris on the water surface during submersion and water intake. This design prevents debris from being sucked into the internal cavity, physically eliminating the risk of debris jamming the internal baffle, causing seal failure, and leakage. This significantly improves the accuracy of sampling data and the reliability of equipment operation.

Description

Technical Field

[0001] This utility model relates to the field of water quality sampling technology, specifically to an automated water quality sampling device. Background Technology

[0002] Most existing automated water sampling devices use an open inlet design. In actual sampling operations, leaves, plastic fragments, or other suspended debris often float on the water surface. When the water sampler submerges or operates underwater, these debris can easily be sucked into the sampler through the inlet and remain inside the sealing baffles or control mechanisms.

[0003] When such debris enters the sampling chamber, it often prevents the baffle from closing completely, resulting in leakage of the sampled water. Utility Model Content

[0004] The purpose of this invention is to solve the problems existing in the prior art by proposing an automated water quality sampling device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An automated water sampling device includes a water sampler body, a winding mechanism, a support ring, and a conical filter assembly. The winding mechanism is located on the upper part of the water sampler body and is used to wind up a traction rope with graduated lines. The support ring is detachably connected to the bottom of the water sampler body. The conical filter assembly is slidably disposed within the support ring and is used to filter water entering the water inlet at the bottom of the water sampler body. The conical filter assembly can slide within the support ring to switch states. In the first state, the conical filter assembly is located inside the support ring; in the second state, the lower part of the conical filter assembly extends out of the bottom surface of the support ring.

[0006] Preferably, the upper end of the support ring sleeve is provided with an installation ring, which is fixedly connected to the bottom of the water sampler body by fixing bolts.

[0007] Preferably, the conical filter assembly includes an upper fixing ring, a conical filter grid, and a lower fixing ring, wherein the upper fixing ring and the lower fixing ring are fixed to the upper and lower ends of the conical filter grid, respectively; a reinforcing rib is connected between the upper fixing ring and the lower fixing ring to improve the structural strength of the conical filter grid.

[0008] Preferably, the outer periphery of the upper fixing ring is symmetrically provided with sliding blocks, and the sliding blocks are provided with elastic plates; the inner wall of the support ring sleeve is provided with a sliding groove that slides with the sliding blocks, and the sliding groove is provided with limiting grooves for engaging with the elastic plates at intervals along the vertical direction. By engaging the elastic plates with limiting grooves of different heights, the position of the conical filter assembly between the first state and the second state is limited.

[0009] Preferably, the inner wall of the lower fixing ring is provided with a crossbar for applying force, and the operator can drive the conical filter assembly to move axially by applying external force to the crossbar.

[0010] Preferably, the take-up mechanism includes a housing, a motor, and a take-up drum; the motor and the take-up drum are mounted on the bottom surface of the housing, and the output shaft of the motor is connected to one end of the take-up drum for driving the take-up drum to rotate so as to realize the automatic winding of the traction rope.

[0011] Preferably, the outer side wall of the housing is provided with a handle, and the inner side wall of the housing is provided with a winding rod for winding the traction rope below the take-up drum. The winding rod is used to wind and fix the traction rope with scale lines during sampling operations to achieve rapid positioning of the sampling depth.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. This utility model effectively intercepts leaves, plastic fragments, and other floating debris on the water surface during submersion and water intake by setting a sliding conical filter component at the bottom of the water sampler body. This design avoids the inhalation of debris into the internal cavity, physically eliminating the risk of debris getting stuck in the internal baffle, causing seal failure and leakage, and significantly improving the accuracy of sampling data and the reliability of equipment operation.

[0013] 2. The conical filter assembly has a two-state adjustment function. In the non-sampling state, the filter element is housed in the support ring sleeve, which facilitates the placement and transportation of the equipment on a flat surface. In the sampling state, the filter element extends downwards driven by the crossbar, which not only realizes the filtration function, but also has a certain impurity diversion function. It is easy to operate and can quickly adapt to different field operation conditions. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the conical filter assembly of the sampler body of this utility model; Figure 3 This is a schematic diagram showing the location of the limiting groove in this utility model; Figure 4 This is a schematic diagram of the usage state of this utility model; Figure 5 This is a schematic diagram of the storage state of this utility model.

[0015] In the diagram: 1. Water sampler body; 2. Cable take-up mechanism; 3. Support ring sleeve; 4. Conical filter assembly; 5. Fixing bolt; 6. Sliding block; 7. Elastic sheet; 8. Slide groove; 9. Limiting groove; 21. Housing; 22. Motor; 23. Cable take-up drum; 24. Handle; 25. Winding rod; 41. Upper fixing ring; 42. Conical filter screen; 43. Lower fixing ring; 44. Crossbar. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0017] Please see Figures 1 to 5 An automated water sampling device includes a water sampler body 1, a cable take-up mechanism 2, a support ring 3, and a conical filter assembly 4. The water sampler body 1 is the conventional basic water intake component of this device, with an open inlet at the bottom and an open outlet at the top. A rotating upper cover is installed at the outlet, and conventional water intake control mechanisms such as baffles are installed inside. In the conventional water sampling working principle, as the water sampler body 1 descends to a specified depth, water flows from bottom to top through the inlet. The water flow pushes open the baffle, causing it to move upward. Then, the water flow enters the water sampling chamber and flows upward, pushing the upper cover to rotate, thus opening the upper cover and allowing the water to be discharged. Until the water sampler body 1 descends to the specified depth, it stops descending. At this time, the upper cover closes under the action of a torsion spring, sealing the outlet. At the same time, the lower baffle moves downward under the action of gravity, sealing the inlet, thus completing the water sample sealing.

[0018] The support ring sleeve 3 is detachably installed at the bottom of the water sampler body 1 by fixing bolts 5. This structural design facilitates disassembly, cleaning, or replacement of filter components of different specifications. The conical filter component 4 is slidably nested within the support ring sleeve 3, and its main body consists of an upper fixing ring 41, a conical filter grid 42, and a lower fixing ring 43. To enhance structural strength and prevent deformation under water pressure, multiple reinforcing ribs are evenly arranged circumferentially between the upper fixing ring 41 and the lower fixing ring 43, ensuring the strength of the filter grid.

[0019] The upper fixed ring 41 has a sliding block 6 on its side wall, and a metal elastic sheet 7 is fixed on the sliding block 6. The inner wall of the support ring sleeve 3 is provided with a corresponding sliding groove 8. The sliding groove 8 has an upper limit groove 9 and a lower limit groove 9 distributed vertically along the axial direction. When the conical filter assembly 4 moves to a specific position, the elastic sheet 7 enters the corresponding limit groove through its own deformation, thereby locking the position. Through this mechanism, the conical filter assembly 4 can achieve stable switching between two working states: Support status: By manually or mechanically pushing, the conical filter assembly 4 slides into the support ring 3. At this time, the elastic plate 7 is engaged in the upper limit groove 9, and the filter assembly is retracted into the support ring 3, so that the water sampler body 1 can be placed stably on the ground or sampling platform, avoiding direct force damage to the bottom water inlet.

[0020] Filtration status: When water collection is required, the crossbar 44 on the inner wall of the lower fixing ring 43 applies force, causing the conical filter assembly 4 to move downwards. The elastic plate 7 engages with the lower limit groove 9, and at this time, the lower part of the conical filter assembly 4 extends beyond the bottom surface of the support ring sleeve 3. During submersion, this conical structure can guide floating debris such as leaves and suspended plastic to slide smoothly along the conical surface, preventing debris from entering the inlet and causing the internal baffle to jam, thereby avoiding water collection failure or leakage due to the baffle not closing tightly.

[0021] The take-up mechanism 2 is fixed to the top of the water sampler body 1 and is driven to rotate by the take-up drum 23 via the motor 22 inside the housing 21. The winding rod 25 is located below the take-up drum 23, providing the operator with a manual winding function. The function of the winding rod 25 is to achieve water depth determination: the operator can first wind the rope segment of the preset depth onto the winding rod 25 and fix it according to the scale lines on the traction rope. After the water sampler body 1 with counterweight quickly submerges to the target water level, the rope at the winding rod 25 will generate resistance, thereby achieving physical limitation and ensuring the accuracy of the water sampling position.

[0022] It should be noted that the housing 21 contains a battery pack and a controller. The battery pack provides power to the motor 22 and the controller. The controller is electrically connected to the motor 22 to control its start and stop. An operating button is electrically connected to the housing 21, allowing the operator to automatically wind up the traction rope by operating the reel 23.

[0023] Workflow details: The workflow of this automated water quality sampling device is as follows: After confirming that the conical filter assembly 4 is in the first state of being housed within the support ring sleeve 3, place the water sampler on the platform around the sampling point; apply force through the crossbar 44 to disengage the elastic plate 7 from the upper limit groove 9, and push the conical filter assembly 4 downward to the second state until the elastic plate 7 enters the lower limit groove 9 and locks in place. At this point, the filter assembly is exposed, and the preparation for preventing debris is completed.

[0024] Pull the traction rope out through the take-up drum 23, and refer to the scale on the rope to wind and fix it to the position corresponding to the target depth on the winding rod 25.

[0025] The water sampler body 1 is placed in the water and uses its own counterweight to achieve rapid diving; when the rope reaches the preset length, it is held by the winding rod 25 to achieve depth positioning; at this time, the water inlet completes water sample collection, and the cone-shaped filter component 4 continuously pushes away debris to ensure that the water inlet is unobstructed.

[0026] The controller starts the motor 22, which drives the take-up drum 23 to rotate, and the traction rope is wound up at a constant speed, pulling the water sampler body 1 to move up and away from the water surface.

[0027] Place the water sampler body 1 on a flat surface and apply appropriate pressure to disengage the elastic plate 7 from the lower limit groove 9. Push the conical filter assembly 4 back into the support ring 3, switching back to the first state for stable placement. This also facilitates subsequent water sample transfer and equipment cleaning.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended technical solutions and their equivalents.

Claims

1. An automated water quality sampling device, characterized in that, include: Water sampler body (1); The winding mechanism (2) is located on the upper part of the water sampler body (1) and is used to wind up the traction rope with scale lines. The support ring (3) is detachably connected to the bottom of the water sampler body (1); And a conical filter assembly (4) is slidably disposed inside the support ring sleeve (3) for filtering water entering the bottom inlet of the water sampler body (1). The conical filter assembly (4) can slide inside the support ring sleeve (3) to switch states. In the first state, the conical filter assembly (4) is located inside the support ring sleeve (3). In the second state, the lower part of the conical filter assembly (4) extends out of the bottom surface of the support ring sleeve (3).

2. The automated water quality sampling device according to claim 1, characterized in that, The upper end of the support ring sleeve (3) is provided with an installation ring, which is fixedly connected to the bottom of the water sampler body (1) by a fixing bolt (5).

3. The automated water quality sampling device according to claim 1, characterized in that, The conical filter assembly (4) includes an upper fixing ring (41), a conical filter grid (42), and a lower fixing ring (43), wherein the upper fixing ring (41) and the lower fixing ring (43) are respectively fixed to the upper and lower ends of the conical filter grid (42).

4. The automated water quality sampling device according to claim 3, characterized in that, The upper fixing ring (41) is symmetrically provided with sliding blocks (6) on its outer periphery. The sliding blocks (6) are provided with elastic plates (7). The inner wall of the support ring sleeve (3) is provided with a sliding groove (8) that slides with the sliding blocks (6). The sliding groove (8) is provided with limiting grooves (9) for engaging with the elastic plates (7) at intervals along the vertical direction.

5. The automated water quality sampling device according to claim 3, characterized in that, The inner wall of the lower fixing ring (43) is provided with a crossbar (44) for applying force.

6. The automated water quality sampling device according to claim 1, characterized in that, The take-up mechanism (2) includes a housing (21), a motor (22) and a take-up drum (23). The motor (22) and the take-up drum (23) are mounted on the bottom surface of the housing (21), and the output shaft of the motor (22) is connected to one end of the take-up drum (23) for transmission.

7. The automated water quality sampling device according to claim 6, characterized in that, The inner wall of the housing (21) below the take-up drum (23) is provided with a winding rod (25) for winding the traction rope.

8. The automated water quality sampling device according to claim 3, characterized in that, A reinforcing rib connects the upper fixing ring (41) and the lower fixing ring (43).

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