Multi-depth water body sampling device and sampling method
By designing water body sampling devices of multiple depths, using pressure sensors and controllers to accurately control the sampling depth, the problem of damage to the sampling device at unknown depth is solved, and the effect of accurate sampling and protection devices at multiple depths is achieved.
Patent Information
- Application Number
- CN202510857244.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-25
- Publication Date
- 2025-08-15
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing water body sampling device has a simple structure and is easy to be damaged if the depth of the riverbed is not known, and it is difficult to achieve accurate sampling of multiple depths.
A water sampling device of multiple depths is designed, including sampling bottles and fixtures, equipped with pressure sensors, temperature sensors and controllers, and precisely control the sampling depth and position through the traction mechanism and the hoist, and recording the sampling data in combination with GPS coordinates.
Accurate sampling of different depths is achieved, protects the sampling bottle from damage, provides water sample collection capabilities at multiple depths, supports personal or unmanned boat use, and adapts to different sampling scenarios.
Smart Images
Figure CN120489647A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of water body sampling, and in particular to a water body sampling device with multiple depths and a sampling method. Background Art
[0002] At present, my country's water environment is facing multiple pressures such as water pollution, water shortage and flood disasters. Water pollution has aggravated the shortage of water resources, led to the destruction of the water ecological environment and frequent flood disasters. Therefore, water quality testing has gradually become important.
[0003] However, in the related art, the structure of the sampling bottle is relatively simple, and water samples are generally collected during the sinking process. It is easy to lower the sampling bottle too deep without knowing the specific depth of the riverbed, causing damage to the sampling bottle. Therefore, a water sampling device and a sampling method with multiple depths are provided to solve the above problems. Summary of the Invention
[0004] The main purpose of the present invention is to solve the problem in the prior art that the structure of the sampling bottle is relatively simple, and water samples are generally taken during the sinking process, which makes it easy to lower the sampling bottle too deep without knowing the specific depth of the riverbed, causing damage to the sampling bottle.
[0005] In a first aspect, the present invention provides a water sampling device and a sampling method for multiple depths, wherein the water sampling device comprises: A sampling bottle and a sampling bottle fixing device, wherein a plurality of sampling bottles are mounted on the sampling bottle fixing device; The sampling bottle includes a bottle body, an active sampling control door is provided at the upper end of the bottle body, a follower door is provided at the lower end of the bottle body, a follower door limiter is provided on the inner wall of the bottle body on one side of the follower door, and the active sampling control door and the follower door are pulled by a traction mechanism; The sampling bottle fixing device comprises a fixing device body, the fixing device body is provided with a placement groove around the four sides of the fixing device body to match the sampling bottle, the bottom of the placement groove is fixedly provided with a circular bottom plate, and the middle section of the placement groove is provided with a fixing belt, which is used to fix the sampling bottle on the sampling bottle fixing device. A pressure sensor and a temperature sensor are fixedly mounted on the side wall of the bottom of the fixing device, and a controller and a positioning device are fixedly mounted on the top of the fixing device body.
[0006] Optionally, a winch is fixedly installed on the top of the sampling bottle fixing device.
[0007] Optionally, the active sampling control door includes a control door body, a rotating bracket, a rotating motor and a first traction ring. A rotating block is provided at one end of the control door body. The rotating block and the rotating bracket are rotatably connected in cooperation. The rotating motor is provided on one side of the rotating bracket. The driving shaft of the rotating motor passes through the rotating bracket and is fixedly connected to the rotating block. The rotating motor is used to drive the control door body to rotate. The first traction ring is provided on the side of the control door body facing the inside of the bottle body.
[0008] Optionally, the follow-up door includes a follow-up door body, a hinge and a second traction ring, the follow-up door body is rotatably connected to the lower end surface of the inner wall of the bottle body through the hinge, and the second traction ring is fixedly installed on the upper end surface of the follow-up door.
[0009] Optionally, a first sealing ring is provided at the contact point between the control door body and the bottle body, and a second sealing ring is provided at the contact point between the follower door body and the bottle body.
[0010] Optionally, the traction mechanism is a traction rope.
[0011] Optionally, the diameter of the inner hollow circle portion of the annular bottom plate is greater than or equal to the diameter of the follower door.
[0012] Optionally, the hoist, the controller, the positioning device, the rotating motor, the temperature sensor and the pressure sensor are all directly electrically connected to an external controller through lines.
[0013] In a second aspect, the present application further provides a method for sampling water bodies at multiple depths, characterized in that the water body sampling device for the multiple depths described above comprises: S1. The external controller sets the sampling requirements, the sampling requirements information includes sampling depth information, rising speed information, sinking speed information, sampling residence time information; S2. The external controller sends a start sampling command; the controller receives the start sampling command, the rotary motor of the sampling bottle opens the active control door, and the follower door opens accordingly; S3. The winch motor starts lowering the sampling device according to the descent speed set by the user, and the controller starts recording the current start time T1 and the current GPS coordinates; S4. When the sampling bottle contacts the water surface and the pressure sensor value is greater than 0, the controller records the current working time T2; S5. The sampling device continues to descend until the pressure sensor value is no longer increasing. The winch is then turned off, the current maximum depth is recorded, and the sampling device is raised by the winch. S6. The controller continuously reads the pressure sensor data. When the depth reaches a certain sampling requirement, the controller pauses the winch and stays for the set sampling dwell time, recording the current sampling depth and water temperature. S7. After the dwell time is up, the controller controls the rotation motor of a sampling bottle and closes the active control door of the sampling bottle; S8. The controller continues to control the winch servo to stretch the sampling device at the set speed; S9. Repeat steps S6-S7 until all samples are collected. S10. When the sampling device is completely exposed to the water surface and the water depth value of the pressure sensor is 0, the controller controls the winch motor to stretch the sampling bottle to the initial position and then stops the device operation.
[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The system has a simple structure and is self-contained. It can be used by individuals, on unmanned boats, or on manned boats. It can sample multiple water samples at different depths at once. The sampling depth of each sampling bottle can be precisely controlled. One bottle can be sampled at one depth, or multiple bottles can be sampled at one depth at the same time. After sampling, the maximum depth data of the water body at the current sampling location can be obtained, providing reference data for optimizing the sampling depth and number of samples. If the set sampling depth is greater than the actual water depth, the relevant sampling bottles will not be sampled. The lifting speed of the sampling device and the sampling residence time can be freely set according to actual conditions, which can flexibly adapt to different sampling scenarios. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is the overall structural diagram of the present invention.
[0016] Figure 2 It is the workflow diagram of the present invention.
[0017] Figure 3 It is a structural diagram of the sampling bottle of the present invention; Figure 4 It is a front view of the sampling bottle fixing device of the present invention; Figure 5 This is a top view of the sampling bottle fixing device of the present invention. DETAILED DESCRIPTION
[0018] The present invention provides a water sampling device and a sampling method for various depths, comprising: a sampling bottle and a sampling bottle fixing device, wherein a plurality of sampling bottles are mounted on the sampling bottle fixing device; the sampling bottle comprises a bottle body, an active sampling control door is provided at the upper end of the bottle body, a follow-up door is provided at the lower end of the bottle body, a follow-up door limiter is provided on the inner wall of the bottle body on one side of the follow-up door, a pressure sensor and a temperature sensor are fixedly mounted on the outer wall of the lower end of the bottle body, a controller is fixedly mounted on the outer wall of the upper end of the bottle body, a positioning device is fixedly mounted on one side of the active sampling control door, the active sampling control door and the follow-up door are moved by a traction machine Structure traction; the sampling bottle fixing device includes a fixing device body, and the fixing device body is provided with a placement groove around the sampling bottle, and a circular ring-shaped bottom plate is fixedly provided at the bottom of the placement groove. A fixing belt is provided in the middle section of the placement groove, and the fixing belt is used to fix the sampling bottle on the sampling bottle fixing device. The upper end of the fixing device body is provided with a third traction ring. The main purpose of the present invention is to solve the problem in the prior art that the structure of the sampling bottle is relatively simple, and water samples are generally taken during the sinking process, and the sampling bottle is easily lowered too deep without knowing the specific depth of the riverbed, causing damage to the sampling bottle.
[0019] The terms "first," "second," "third," "fourth," and so on (if any) in the description and claims of the present invention and in the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a particular order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments described herein can be implemented in an order other than that shown or described herein. In addition, the terms "including" or "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus that includes a series of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, product, or apparatus.
[0020] For ease of understanding, the specific structure of the embodiment of the present invention is described below, with reference to the appended Figure 1 、 3 -5. An embodiment of a water sampling device with multiple depths provided by the present invention includes: A sampling bottle 4 and a sampling bottle fixture 3, wherein a plurality of sampling bottles are mounted on the sampling bottle fixture; The sampling bottle includes a bottle body, an active sampling control door is provided at the upper end of the bottle body, a follow-up door is provided at the lower end of the bottle body, a follow-up door limiter 403 is provided on the inner wall of the bottle body on one side of the follow-up door, and the active sampling control door and the follow-up door are pulled by a traction mechanism; a pressure sensor 407 and a temperature sensor 408 are fixedly installed on the side wall of the bottom of the fixing device, and a controller 706 and a positioning device 405 are fixedly installed on the top of the fixing device body.
[0021] The sampling bottle fixing device includes a fixing device body 301, and the fixing device body is provided with a placement groove around it to cooperate with the sampling bottle. A circular bottom plate 302 is fixedly provided at the bottom of the placement groove, and a fixing belt 304 is provided in the middle section of the placement groove. The fixing belt is used to fix the sampling bottle on the sampling bottle fixing device.
[0022] The winch 2 is fixedly installed on the top of the sampling bottle fixing device, and the traction rope of the winch 2 is fixedly connected to the external sampling boat 1. The winch is set on the top of the sampling bottle fixing device for easy use, which improves practicality and can be moved as a whole. The traction rope of the winch can also be used in scenes such as bridges or different hulls.
[0023] The active sampling control door includes a control door body 401, a rotating bracket, a rotating motor 404 and a first traction ring. A rotating block is provided at one end of the control door body. The rotating block and the rotating bracket are rotated together. The rotating motor is provided on one side of the rotating bracket. The driving shaft of the rotating motor passes through the rotating bracket and is fixedly connected to the rotating block. The rotating motor is used to drive the control door body to rotate. The first traction ring is provided on the side of the control door body facing the inside of the bottle body.
[0024] The follow-up door includes a follow-up door body 402, a hinge and a second traction ring. The follow-up door body is rotatably connected to the lower end surface of the inner wall of the bottle body through the hinge, and the second traction ring is fixedly installed on the upper end surface of the follow-up door.
[0025] A first sealing ring is provided at the contact point between the control door body and the bottle body, and a second sealing ring is provided at the contact point between the follower door body and the bottle body.
[0026] The traction mechanism is a traction rope.
[0027] The diameter of the inner hollow circle portion of the annular bottom plate is greater than or equal to the diameter of the follow-up door.
[0028] The hoist, the controller, the positioning device, the rotating motor, the temperature sensor and the pressure sensor are all directly electrically connected to the external controller through lines.
[0029] The above describes the water sampling device of various depths in the embodiment of the present invention. The following describes the water sampling method of various depths in the embodiment of the present invention. Figure 2, embodiments of the water sampling method at multiple depths in the embodiments of the present invention include: S1. The external controller sets the sampling requirements, the sampling requirements information includes sampling depth information, rising speed information, sinking speed information, sampling residence time information; S2. The external controller sends a start sampling command; the controller receives the start sampling command, the rotary motor of the sampling bottle opens the active control door, and the follower door opens accordingly; S3. The winch motor starts lowering the sampling device according to the descent speed set by the user, and the controller starts recording the current start time T1 and the current GPS coordinates; S4. When the sampling bottle contacts the water surface and the pressure sensor value is greater than 0, the controller records the current working time T2; S5. The sampling device continues to descend until the pressure sensor value is no longer increasing. The winch is then turned off, the current maximum depth is recorded, and the sampling device is raised by the winch. S6. The controller continuously reads the pressure sensor data. When the depth reaches a certain sampling requirement, the controller pauses the winch and stays for the set sampling dwell time, recording the current sampling depth and water temperature. S7. After the dwell time is up, the controller controls the rotation motor of a sampling bottle and closes the active control door of the sampling bottle; S8. The controller continues to control the winch servo to stretch the sampling device at the set speed; S9. Repeat steps S6-S7 until all samples are collected. S10. When the sampling device is completely exposed to the water surface and the water depth value of the pressure sensor is 0, the controller controls the winch motor to stretch the sampling bottle to the initial position and then stops the device operation.
[0030] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A water sampling device with multiple depths, characterized in that: The various water sampling devices include: A sampling bottle and a sampling bottle fixing device, wherein a plurality of sampling bottles are mounted on the sampling bottle fixing device; The sampling bottle includes a bottle body, an active sampling control door is provided at the upper end of the bottle body, a follower door is provided at the lower end of the bottle body, a follower door limiter is provided on the inner wall of the bottle body on one side of the follower door, and the active sampling control door and the follower door are pulled by a traction mechanism; The sampling bottle fixing device comprises a fixing device body, the fixing device body is provided with a placement groove around the four sides of the fixing device body to match the sampling bottle, the bottom of the placement groove is fixedly provided with a circular bottom plate, and the middle section of the placement groove is provided with a fixing belt, which is used to fix the sampling bottle on the sampling bottle fixing device. A pressure sensor and a temperature sensor are fixedly mounted on the side wall of the bottom of the fixing device, and a controller and a positioning device are fixedly mounted on the top of the fixing device body.
2. The multi-depth water sampling device according to claim 1, characterized in that: It also includes a sampling boat, and the winch is fixedly installed on the top of the sampling bottle fixing device.
3. The multi-depth water sampling device according to claim 2, characterized in that: The active sampling control door includes a control door body, a rotating bracket, a rotating motor and a first traction ring. A rotating block is provided at one end of the control door body. The rotating block and the rotating bracket are rotated in cooperation. The rotating motor is provided on one side of the rotating bracket. The driving shaft of the rotating motor passes through the rotating bracket and is fixedly connected to the rotating block. The rotating motor is used to drive the control door body to rotate. The first traction ring is provided on the side of the control door body facing the inside of the bottle body.
4. The multi-depth water sampling device according to claim 3, characterized in that: The follow-up door includes a follow-up door body, a hinge and a second traction ring. The follow-up door body is rotatably connected to the lower end surface of the inner wall of the bottle body through the hinge, and the second traction ring is fixedly installed on the upper end surface of the follow-up door.
5. The multi-depth water sampling device according to claim 4, characterized in that: A first sealing ring is provided at the contact point between the control door body and the bottle body, and a second sealing ring is provided at the contact point between the follower door body and the bottle body.
6. The multiple water sampling device according to claim 5, characterized in that: The traction mechanism is a traction rope.
7. The multi-depth water sampling device according to claim 6, characterized in that: The diameter of the inner hollow circle portion of the annular bottom plate is greater than or equal to the diameter of the follower door.
8. The multi-depth water sampling device according to claim 7, characterized in that: The hoist, the controller, the positioning device, the temperature sensor and the pressure sensor are all directly electrically connected to the external controller through lines, and the rotating motor and the controller are wirelessly connected through Bluetooth.
9. A method for sampling water at multiple depths, characterized in that: The device for sampling water at multiple depths according to any one of claims 1 to 8 comprises: S1. The external controller sets the sampling requirements, the sampling requirements information includes sampling depth information, rising speed information, sinking speed information, sampling residence time information; S2. The external controller sends a start sampling command; the controller receives the start sampling command, the rotary motor of the sampling bottle opens the active control door, and the follower door opens accordingly; S3. The winch motor starts lowering the sampling device according to the descent speed set by the user, and the controller starts recording the current start time T1 and the current GPS coordinates; S4. When the sampling bottle contacts the water surface and the pressure sensor value is greater than 0, the controller records the current working time T2; S5. The sampling device continues to descend until the pressure sensor value is no longer increasing. The winch is then turned off, the current maximum depth is recorded, and the sampling device is raised by the winch. S6. The controller continuously reads the pressure sensor data. When the depth reaches a certain sampling requirement, the controller pauses the winch and stays for the set sampling dwell time, recording the current sampling depth and water temperature. S7. After the dwell time is up, the controller controls the rotation motor of a sampling bottle and closes the active control door of the sampling bottle; S8. The controller continues to control the winch servo to stretch the sampling device at the set speed; S9. Repeat steps S6-S7 until all samples are collected. S10. When the sampling device is completely exposed to the water surface and the water depth value of the pressure sensor is 0, the controller controls the winch motor to stretch the sampling bottle to the initial position and then stops the device operation.