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CN-224202789-U - Groundwater sampling device

CN224202789UCN 224202789 UCN224202789 UCN 224202789UCN-224202789-U

Abstract

The utility model provides a groundwater sampling device, and relates to the technical field of groundwater sampling. The sampling device comprises a take-up and pay-off structure, a buoy, a collecting assembly and a power supply structure, wherein the collecting assembly comprises an insulating collecting cylinder and an electric valve, the insulating collecting cylinder is of an annular structure with two open ends, a first port of the insulating collecting cylinder is connected with the buoy and is in sealing fit with the buoy, the electric valve is arranged at a second port of the insulating collecting cylinder, the insulating collecting cylinder is axially provided with a water storage cavity, the water storage cavity is communicated with an inner cavity of the insulating collecting cylinder, the power supply structure comprises a power supply battery, a first conductive column and a second conductive column, the first conductive column and the second conductive column are both arranged in the water storage cavity, a positive electrode interface of the electric valve is electrically connected to a positive electrode of the power supply battery, a negative electrode interface of the electric valve is electrically connected to the first conductive column, and the second conductive column is electrically connected to a negative electrode of the power supply battery. The device controls the opening and closing of the collecting cylinder through a simple power supply structure and the electric valve, and simplifies the structure of sampling equipment.

Inventors

  • WANG XIANFU
  • TANG YU
  • SUN YUANJUN
  • LIAO QIFA
  • CHEN LI
  • He Fuzhuang

Assignees

  • 四川省昱洲环保技术有限责任公司

Dates

Publication Date
20260505
Application Date
20250401

Claims (7)

  1. 1. An underground water sampling device, comprising: A take-up and pay-off structure (1); A float (2) provided on a rope (103) of the winding and unwinding structure (1); The collecting assembly comprises an insulating collecting cylinder (3) and an electric valve (15), wherein the insulating collecting cylinder (3) is of an annular structure with two open ends, a first port of the insulating collecting cylinder (3) is connected with the float (2) and is in sealing fit, and the electric valve (15) is arranged at a second port of the insulating collecting cylinder (3) and is used for adjusting the opening or closing of the second port; Wherein the insulating collecting cylinder (3) is axially provided with a water storage cavity (12), the water storage cavity (12) is communicated with the inner cavity of the insulating collecting cylinder (3), and The power supply structure comprises a power supply battery (14), a first conductive column (10) and a second conductive column (11), wherein the first conductive column (10) and the second conductive column (11) are arranged in the water storage cavity (12) and are distributed at intervals along the axial direction of the insulating collecting cylinder (3), an anode interface of the electric valve (15) is electrically connected to the anode of the power supply battery (14), a cathode interface of the electric valve (15) is electrically connected to the first conductive column (10), the second conductive column (11) is electrically connected to the cathode of the power supply battery (14), when the first conductive column (10) and the second conductive column (11) are in a disconnected state, the electric valve (15) is in an opened state, and when the first conductive column (10) and the second conductive column (11) are in a connected state, the electric valve (15) is in a closed state; Wherein the first conductive column (10) and the float (2) are arranged on the same side, and the communication part of the water storage cavity (12) and the insulating collecting cylinder (3) is positioned between the first conductive column (10) and the float (2).
  2. 2. Groundwater sampling device according to claim 1, characterized in that the second port of the insulating collecting cylinder (3) is provided with a filter (13) and that the filter (13) is arranged outside the electrically operated valve (15).
  3. 3. Groundwater sampling device according to claim 1, characterized in that the rope (103) and the insulating collecting cylinder (3) are arranged at the top and bottom of the float (2), respectively, the rope (103) being provided with a first scale marking line.
  4. 4. A groundwater sampling device according to claim 3, characterized in that the material of the float (2) is transparent, the float (2) is provided with a measuring cavity (7), the top of the measuring cavity (7) penetrates to the top of the float (2) and is provided with a water drain valve (9), the bottom of the measuring cavity (7) penetrates to the bottom of the float (2) and is provided with a one-way valve (8), and an external water source can flow into the measuring cavity (7); Wherein, the measuring cavity (7) is provided with a second scale mark line.
  5. 5. Groundwater sampling device according to claim 1, characterized in that the collecting cylinder (3) is detachably arranged to the float (2) by means of bolts (6).
  6. 6. Groundwater sampling device according to claim 1, characterized in that the outer ring surface of the collecting cylinder (3) is provided with a receiving groove, the power supply battery (14) being arranged in the receiving groove; Wherein, the notch of holding tank can dismantle and be provided with protective cover plate (4).
  7. 7. Groundwater sampling device according to claim 1, characterized in that the winding and unwinding structure (1) comprises a support (101), a roller (102) is rotatably arranged on the support (101), and the rope (103) is wound on the roller (102).

Description

Groundwater sampling device Technical Field The utility model relates to the technical field of groundwater sampling, in particular to a groundwater sampling device. Background Hydrogeology is a branch discipline of geology, and refers to various changes and movement phenomena of groundwater in nature, and is mainly used for researching distribution and formation rules of groundwater, physical properties and chemical components of groundwater, adverse effects of groundwater on engineering construction and mining, prevention and treatment of groundwater and the like, and in hydrogeology exploration work, groundwater in different areas needs to be sampled so as to observe water quality conditions of each area. The underground water sampler is one kind of underground water sampling device and consists of mainly sampling pipe, sampling pump, filter, controller, sample storing container, etc. The sampling tube is used for penetrating into underground water and is a channel for a water sample to enter the sampler, the sampling pump provides power for extracting the water sample, the water sample can be collected from the underground smoothly, the filter is arranged at the front end of the sampling tube, impurities, particles and the like in the water can be effectively removed, the purity of the collected water sample is guaranteed, the controller is responsible for controlling the sampling process, including controlling the operations of starting, stopping, flow regulation and the like of the sampling pump, and the sample storage container is used for storing the collected water sample, so that the subsequent transportation and detection are convenient. However, in practical applications, it has been found that there are drawbacks to the way in which sampling is performed by means of a sampling pump. On the one hand, the stability of the sampling pump is poor in working, the sampling pump is easily influenced by various factors, flow fluctuation is caused in the sampling process, and consistency and representativeness of a collected water sample are difficult to ensure. On the other hand, the use of the sampling pump makes the structure of the whole groundwater sampler relatively complex, and increases the manufacturing cost and maintenance difficulty of the device. Disclosure of utility model The utility model aims to provide an underground water sampling device, which aims to solve the technical problems in the background technology. Embodiments of the present utility model are implemented as follows: The embodiment of the application provides an underground water sampling device which comprises a winding and unwinding structure, a float piece, a collecting assembly and a power supply structure, wherein the float piece is arranged on a rope of the winding and unwinding structure, the collecting assembly comprises an insulating collecting cylinder and an electric valve, the insulating collecting cylinder is of an annular structure with two open ends, a first port of the insulating collecting cylinder is connected with the float piece and is in sealing fit, the electric valve is arranged on a second port of the insulating collecting cylinder and is used for adjusting the opening or closing of the second port, a water storage cavity is axially arranged on the insulating collecting cylinder and is communicated with an inner cavity of the insulating collecting cylinder, the power supply structure comprises a power supply battery, a first conductive column and a second conductive column, the first conductive column and the second conductive column are arranged in the water storage cavity at intervals along the axial direction of the insulating collecting cylinder, a positive electrode interface of the electric valve is electrically connected to a positive electrode of the power supply battery, a negative electrode interface of the electric valve is electrically connected to the first conductive column, the second conductive column is electrically connected to the power supply battery, the electric column is electrically connected to the first conductive column, and is in a state of being in which is in a state of being disconnected from the first conductive column and the second conductive column, and is in a state of being disconnected from the insulating collecting column. Further, according to the above aspect, the second port of the insulating type collecting cylinder is provided with a filter, and the filter is provided outside the electric valve. Further, according to the foregoing aspect, the rope and the insulating type collecting tube are respectively provided at the top and bottom of the float, and a first scale line identification line is provided on the rope. Further, based on the foregoing, the material of the float is a transparent material, the float is provided with a measuring cavity, the top of the measuring cavity penetrates through the top of the float and is provided with a water drain valve, an