A continuous water sampler and method of sampling water
By designing a continuous water sampler, and utilizing a fixed frame, control components, and drive mechanism to automate the operation of multiple sampling bottles, the problem of multiple deployments and retrievals of water samplers in existing technologies is solved, enabling rapid and efficient seawater sample collection.
Patent Information
- Application Number
- CN202310065136.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-01-13
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2043-01-13
AI Technical Summary
Existing technologies are difficult to use in the ocean, and cannot collect seawater samples at multiple different depths. This requires multiple deployments and retrievals of the water sampler, which is time-consuming and labor-intensive.
Design a continuous water sampler that uses a fixed frame, control components, multiple bottle caps and sampling bottles. Through a drive mechanism and moving parts, it realizes the automated operation of multiple sampling bottles, enabling the collection of seawater samples at multiple different depths.
It enabled the rapid collection of seawater samples at multiple different depths, reducing collection time and the consumption of manpower and resources.
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Figure CN115931466B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of water sampling, in particular to a continuous water sampler and a water sampling method. BACKGROUND
[0002] Trace element refers to an element with a concentration lower than 100 μmol / kg in seawater, also known as trace metal. Trace elements are almost involved in all aspects of marine life, from cytoplasm formation to protein synthesis, and almost cannot be separated from trace elements.
[0003] The collection of trace elements is the basis of the research work related to trace elements. Simply speaking, it is to place the water sampler carrying the sampling bottle into the sea, collect seawater into the sampling bottle, and then recover the water sampler to the ship.
[0004] The existing water samplers can only install one sampling bottle, for example, the commonly used Ruttner, NISKIN, GO-FLO and other water samplers, which leads to the need for multiple deployments and recoveries of the water sampler in order to collect water samples at different depths, which is time-consuming and laborious. SUMMARY
[0005] To solve the above problems, the present application provides a continuous water sampler and a water sampling method.
[0006] Specifically, the technical scheme of the present application is:
[0007] A continuous water sampler, comprising a fixing frame, a control assembly, at least two bottle caps and at least two sampling bottles, the bottle cap is fixedly connected with the fixing frame, the sampling bottle has an open end and a closed end, the open end of the sampling bottle is threadedly connected with the bottle cap, so as to be sealed by the bottle cap, and the closed end of the sampling bottle is provided with a insertion hole; the control assembly is connected with the fixing frame and can move relative to the fixing frame, so as to be moved to align with any sampling bottle, the control assembly comprises a driving mechanism and a movable piece matched with the insertion hole on the sampling bottle, the driving mechanism is used for moving the control assembly, and is used for driving the movable piece to advance and retreat and rotate, so that the movable piece can advance and be inserted into the insertion hole on the sampling bottle, and rotate to drive the sampling bottle to rotate relative to the bottle cap.
[0008] Preferably, the driving mechanism comprises a motor and a coil; the movable piece is fixedly connected with the rotating shaft of the motor in the circumferential direction and is slidably connected in the axial direction; the control assembly further comprises a battery and a control circuit board, the battery, the motor and the coil are connected with the control circuit board respectively, and the control circuit board controls the advance and retreat of the movable piece by changing the current direction of the coil.
[0009] Preferably, the continuous water sampler further comprises a first gear and a second gear; the second gear is connected with the fixed frame, and the first gear is engaged with the second gear; the first gear is provided with a clamping groove and a limiting hole, the limiting hole is arranged at the bottom of the clamping groove and has an inner diameter smaller than that of the clamping groove; the movable piece comprises a main body part and a head part, the head part is matched with the clamping groove and the insertion hole, and the main body part is matched with the limiting hole; when the movable piece is inserted into the insertion hole, the main body part is rotationally connected with the limiting hole; when the movable piece is in a retracted state, the head part is fixedly connected with the clamping groove in the circumferential direction.
[0010] Preferably, the insertion hole is a hexagonal hole, the clamping groove is a hexagonal groove, and the limiting hole is a circular hole.
[0011] Preferably, the movable piece is connected with the motor shaft through a connecting piece, and the connecting piece is fixedly connected with the motor shaft; the movable piece is fixedly connected with the connecting piece in the circumferential direction and is slidably connected with the connecting piece in the axial direction.
[0012] Preferably, the movable piece is inserted on the connecting piece, the movable piece is provided with a protruding tooth, the inner side of the connecting piece is provided with a recess corresponding to the protruding tooth, and the protruding tooth and the recess are matched to fixedly connect the movable piece with the connecting piece in the circumferential direction and to slidably connect the movable piece with the connecting piece in the axial direction.
[0013] Preferably, the sampling bottle comprises a bottle body and a bottle seat, the bottle seat is fixed on the bottle body, and the insertion hole is arranged on the bottle seat.
[0014] Preferably, the sampling bottle further comprises a bottle holder, the bottle holder is fixedly connected with the fixed frame, the bottle cap is fixedly connected with the bottle holder, and the bottle holder comprises a limiting part for preventing the sampling bottle from moving in the radial direction.
[0015] A water sampling method is realized by the continuous water sampler as described above, and the water sampling method comprises the following steps.
[0016] S1, the driving mechanism drives the movable piece to move forward, so that the movable piece is inserted into the insertion hole on the sampling bottle;
[0017] S2, the driving mechanism drives the movable piece to rotate forward by a preset number of turns, so that a gap is formed between the open end of the sampling bottle and the bottle cap to allow seawater to flow into the gap;
[0018] S3, the driving mechanism drives the movable piece to rotate reversely by a preset number of turns, so that the open end of the sampling bottle is sealed by the bottle cap;
[0019] S4, the driving mechanism drives the movable piece to move backward, so that the movable piece is separated from the sampling bottle;
[0020] S5, the driving mechanism drives the control assembly to move until the movable piece is aligned with the insertion hole on the next sampling bottle.
[0021] The beneficial technical effects of the present application are as follows:
[0022] The continuous water sampler can carry multiple sampling bottles, and by timely making the continuous water sampler float or sink, the continuous water sampler can be deployed and retrieved once, and multiple seawater samples at different depths can be collected, which greatly shortens the collection time and saves manpower and resources.
[0023] The water sampling method provided by the application can be realized by the continuous water sampler, and multiple seawater samples at different depths can be collected by deploying and retrieving the continuous water sampler once, which greatly shortens the collection time and saves manpower and resources. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 The structure diagram of the continuous water sampler of Example 1 is shown in the figure.
[0025] Figure 2 The structure diagram of the sampling bottle, bottle cap and bottle rack is shown in the figure. Figure 1 The structure diagram of the control assembly after the outer shell is hidden is shown in the figure.
[0026] Figure 3 The structure diagram of the control assembly after the outer shell is hidden is shown in the figure. Figure 1 The structure diagram of the control assembly after the outer shell is hidden is shown in the figure. DETAILED DESCRIPTION
[0027] The application will be further described in detail below in combination with the drawings and specific examples.
[0028] Example 1:
[0029] The embodiment provides a continuous water sampler, as shown in the figure, which comprises a fixing frame 1, four bottle caps 2, four sampling bottles 3 and a control assembly 4. Figures 1 to 2 In other embodiments, more or fewer sampling bottles 3 can be provided, and the number of bottle caps 2 corresponds to the number of sampling bottles 3.
[0030] The bottle cap 2 is fixedly connected with the fixing frame 1, the sampling bottle 3 has an open end and a closed end, the open end of the sampling bottle 3 is threadedly connected with the bottle cap 2, so as to be sealed by the bottle cap 2, and the closed end of the sampling bottle 3 is provided with a insertion hole 321. In this embodiment, the bottle cap 2 is fixed on the bottle rack 5, the bottle rack 5 is fixed on the fixing frame 1, the sampling bottle 3 comprises a bottle body 31 and a bottle seat 32, the bottle body 31 has an open end and a closed end, the open end of the bottle body 31 is the open end of the sampling bottle 3, the bottle seat 32 is fixed on the closed end of the bottle body 31, and the insertion hole 321 is arranged on the bottle seat 32. In other embodiments, the sampling bottle 3 can also be of an integrated structure.
[0031] The control assembly 4 is connected with the fixing frame 1 and can move relative to the fixing frame 1, so as to be moved to align with any sampling bottle 3. Figure 3As shown, in addition to the shell, the control assembly 4 further comprises a driving mechanism and a movable element 41 matched with the insertion hole 321, the driving mechanism is used to move the control assembly 4, and is used to drive the movable element 41 to advance and retreat and rotate, so that the movable element 41 can be advanced to be inserted into the insertion hole 321 and rotated to drive the sampling bottle 3 to rotate relative to the bottle cap 2.
[0032] In the embodiment, the driving mechanism comprises a motor 42 and a coil 43; the movable element 41 is fixedly connected with the rotating shaft of the motor 42 in the circumferential direction and is slidably connected in the axial direction; the control assembly further comprises a battery 44 and a control circuit board 45, the battery 44, the motor 42 and the coil 43 are respectively connected with the control circuit board 45, the coil 43 is arranged around the rotating shaft of the motor 42 in the circumferential direction, the tail of the movable element 41 is provided with a magnet, the control circuit board 45 controls the movable element 41 to advance and retreat by changing the current direction of the coil 43, and the battery 45 supplies power for the control assembly 4.
[0033] In the embodiment, the movable element 41 is connected with the rotating shaft of the motor 42 through a connecting element 46, the connecting element 46 is fixedly connected with the rotating shaft of the motor 42; the movable element 41 is fixedly connected with the connecting element 46 in the circumferential direction and is slidably connected in the axial direction. The movable element 41 is inserted on the connecting element 46, the movable element 41 is provided with a protruding tooth, the inner side of the connecting element 46 is provided with a recess corresponding to the protruding tooth, and the protruding tooth and the recess are matched to fixedly connect the movable element 41 with the connecting element 46 in the circumferential direction and slidably connect them in the axial direction. In other embodiments, the driving mechanism can also be of other structures, for example, a lead screw can be used to realize the advance and retreat of the movable element 41.
[0034] In the embodiment, the continuous water sampler further comprises a first gear 6 and a second gear 7; the second gear 7 is fixedly connected with the fixed frame 1, and the first gear 6 is engaged with the second gear 7; the first gear 6 is provided with a clamping groove (not shown) and a limiting hole (not shown), the limiting hole is arranged at the bottom of the clamping groove and has an inner diameter smaller than that of the clamping groove; the movable element 41 comprises a main body part and a head part, the head part of the movable element 41 is matched with the clamping groove and the insertion hole 321, and the main body part of the movable element 41 is matched with the limiting hole; when the movable element 41 is inserted into the insertion hole 321, the main body part of the movable element 41 is rotationally connected with the limiting hole to limit the first gear 6 in the radial direction, and at the same time, the movable element 41 will not drive the first gear 6 to rotate when it rotates, so that the control assembly 4 will not move relative to the fixed frame 1; when the movable element 41 is in the retracted state, the head part of the movable element 41 is fixedly connected with the clamping groove in the circumferential direction, so that the rotation of the movable element 41 will drive the first gear 6 to rotate, and the control assembly 4 will move relative to the fixed frame 1.
[0035] In the embodiment, the insertion hole 321 is a hexagonal hole, the clamping groove is a hexagonal groove, and the limiting hole is a circular hole. In other embodiments, the shapes of the insertion hole 321 and the clamping groove can also be other shapes, for example, triangular, and the shape of the head part of the movable element 41 can be designed accordingly.
[0036] In the embodiment, the control assembly 4 moves along a circular track relative to the fixed frame 1, and the continuous water sampler has a compact structure; in other embodiments, the control assembly 4 can also be designed to move along a straight track relative to the fixed frame 1.
[0037] In the embodiment, the bottle rack 5 comprises a limiting part 51 for preventing the sampling bottle 3 from moving radially, so as to ensure that the movable part 41 can be smoothly inserted into the insertion hole 321. In other embodiments, the limiting part can also have other structures, or the sampling bottle 3 can be limited by the bottle cap 2.
[0038] Embodiment two:
[0039] The embodiment provides a water sampling method, which can be realized by the continuous water sampler provided in the embodiment one, and the water sampling method comprises the following steps:
[0040] S1, the driving mechanism drives the movable part 41 to move forward, so that the movable part 41 is inserted into the insertion hole 321 on the sampling bottle 3.
[0041] In the embodiment, the control circuit board is provided with a control module, a storage module and a timing module, the storage module stores a computer program, and the user of the continuous water sampler can set a countdown on the ship and then deploy the continuous water sampler into the sea. After the timing module ends the countdown, the control module executes the computer program to control the driving mechanism to drive the movable part 41 to move forward by a preset distance, so that the head of the movable part 41 is inserted into the insertion hole 321 on the sampling bottle 3.
[0042] S2, the driving mechanism drives the movable part 41 to rotate forward by a preset number of turns, so that a gap is formed between the open end of the sampling bottle 3 and the bottle cap 2, and the seawater can flow into the gap.
[0043] Specifically, the control module controls the driving mechanism to drive the movable part 41 to rotate forward by a first preset number of turns, so as to remove the sealing of the sampling bottle 3 by the bottle cap 2. After the rotation reaches the first preset number of turns, the control module controls the driving mechanism to stop temporarily, and the timing module starts timing.
[0044] S3, the driving mechanism drives the movable part 41 to rotate reversely by a preset number of turns, so that the open end of the sampling bottle 3 is sealed by the bottle cap 2.
[0045] Specifically, after the timing result of the timing module reaches a preset time length, the sampling bottle 3 is filled with seawater samples, the control module controls the driving mechanism to drive the movable part 41 to rotate reversely by a first preset number of turns, so that the open end of the sampling bottle 3 is sealed by the bottle cap 2.
[0046] S4, the driving mechanism drives the movable part 41 to move backward, so that the movable part 41 is separated from the sampling bottle 3.
[0047] Specifically, the control module controls the driving mechanism to drive the movable member 41 to retreat a preset distance, so that the head of the movable member 41 is separated from the sampling bottle 3 and retreats into the clamping groove on the first gear 6.
[0048] S5, the driving mechanism drives the control assembly 4 to move until the movable member 41 is aligned with the insertion hole 321 on the next sampling bottle 3.
[0049] Specifically, the control module controls the driving mechanism to drive the movable member 41 to rotate, so that the first gear 6 rotates a second preset number of turns, and the control assembly 4 moves around the second gear 7 with the first gear 6 to reach below the next sampling bottle 3.
[0050] In the case that the fixed frame 1 is fully loaded with sampling bottles 3 (i.e. four sampling bottles 3 are carried), the control module performs steps S1 to S5 four times, and the sampling is completed. The user of the continuous water sampler can then take the continuous water sampler back to the ship. By timing the sinking or floating of the continuous water sampler to different depths, only one deployment and recovery operation is required to collect seawater samples at different depths.
[0051] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application. It should be noted that any modification, equivalent replacement, improvement, etc. made by those skilled in the art after reading the present specification, as long as it is within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A continuous water sampler, characterized by: The continuous water sampler comprises a fixing frame, a control assembly, at least two bottle caps and at least two sampling bottles. The bottle caps are fixedly connected to the fixing frame. The sampling bottles have an open end and a closed end. The open end of the sampling bottle is threadedly connected to the bottle cap, so as to be sealed by the bottle cap. The closed end of the sampling bottle is provided with a plug hole. The control assembly is connected to the fixing frame and is movable relative to the fixing frame, so as to be movable to align any sampling bottle. The control assembly comprises a driving mechanism and a movable part matched with the plug hole on the sampling bottle. The driving mechanism is used to move the control assembly, and is used to drive the movable part to advance and retreat and rotate, so that the movable part can be inserted into the plug hole on the sampling bottle and rotated to drive the sampling bottle to rotate relative to the bottle cap. The continuous water sampler further comprises a first gear and a second gear. The second gear is connected to the fixing frame. The first gear is engaged with the second gear. The first gear is provided with a clamping groove and a limiting hole. The limiting hole is arranged at the bottom of the clamping groove and has an inner diameter smaller than the clamping groove. The movable part comprises a main body and a head. The head is matched with the clamping groove and the plug hole. The main body is matched with the limiting hole. When the movable part is inserted into the plug hole, the main body is rotationally connected with the limiting hole. When the movable part is in a retracted state, the head is fixedly connected with the clamping groove in the circumferential direction.
2. The continuous water sampler of claim 1, wherein: The driving mechanism comprises a motor and a coil. The movable part is fixedly connected with the rotating shaft of the motor in the circumferential direction and is slidably connected in the axial direction. The control assembly further comprises a battery and a control circuit board. The battery, the motor and the coil are respectively connected with the control circuit board. The control circuit board controls the advance and retreat of the movable part by changing the current direction of the coil.
3. The continuous water sampler of claim 1, wherein: The plug hole is a hexagonal hole, the clamping groove is a hexagonal groove, and the limiting hole is a circular hole.
4. The continuous water sampler of claim 1, wherein: The movable part is connected with the motor rotating shaft through a connecting piece. The connecting piece is fixedly connected with the motor rotating shaft. The movable part is fixedly connected with the connecting piece in the circumferential direction and is slidably connected in the axial direction.
5. The continuous water sampler of claim 4, wherein: The movable part is inserted on the connecting piece. The movable part is provided with a protruding tooth. The inner side of the connecting piece is provided with a recess corresponding to the protruding tooth. The protruding tooth and the recess are matched, so that the movable part is fixedly connected with the connecting piece in the circumferential direction and is slidably connected in the axial direction.
6. The continuous water sampler of claim 1, wherein: The sampling bottle comprises a bottle body and a bottle seat. The bottle seat is fixed on the bottle body. The plug hole is arranged on the bottle seat.
7. The continuous water sampler of claim 1 or 6, wherein: The continuous water sampler further comprises a bottle rack. The bottle rack is fixedly connected with the fixing frame. The bottle cap is fixedly connected with the bottle rack. The bottle rack comprises a limiting part. The limiting part is used to prevent the sampling bottle from moving in the radial direction.
8. A method of water sampling, characterized by, The water sampling method is realized by the continuous water sampler according to any one of claims 1 to 7. The water sampling method comprises the following steps: S1. The driving mechanism drives the movable part to advance, so that the movable part is inserted into the plug hole on the sampling bottle. S2. The driving mechanism drives the movable part to rotate forward by a preset number of turns, so that a gap is formed between the open end of the sampling bottle and the bottle cap, which can allow seawater to flow in. S3. The driving mechanism drives the movable part to rotate reversely by a preset number of turns, so that the open end of the sampling bottle is sealed by the bottle cap. S4. The driving mechanism drives the movable part to retreat, so that the movable part is separated from the sampling bottle. S5. The driving mechanism drives the control assembly to move, until the movable part aligns with the plug hole on the next sampling bottle.
Citation Information
Patent Citations
Layered water sampler device with strong controllability and high precision
CN114371033A