Underground water sampling device

Abstract

The utility model relates to an underground water sampling device which comprises a handle seat and a handle, a handle is mounted on the handle seat; the handle seat is provided with a lifting sampling and positioning assembly capable of movably penetrating into different water layers in underground water; a driving assembly for driving the lifting sampling and positioning assembly to move up and down to determine a water layer for sampling is arranged on the handle seat; and a storage assembly for storing extracted water is arranged on the lifting sampling and positioning assembly. According to the underground water sampling device, the lifting sampling positioning assembly is driven by the arranged driving assembly to go deep into a sampling water layer, and meanwhile, the situation that the water layer is inaccurate due to shaking of the liquid taking piece can be avoided, so that under the condition that the accurate water layer is determined, a water sample of the water layer is extracted and stored in cooperation with the arranged storage assembly, and the accuracy of detection data is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground water detection technical field, concretely is a kind of underground water sampling device. BACKGROUND

[0002] Underground water detection refers to the process of monitoring and analyzing the water level, water quality and its changes of underground water through various methods and technologies, and underground water detection has important significance for water resource management, environmental protection, pollution monitoring and other aspects, wherein underground water sampling is an important link during underground water detection, and underground water sampling refers to extracting water sample from underground water source to carry out subsequent water quality analysis and monitoring.

[0003] During detection, the following steps are included 1. Select sampling site

[0004] Monitoring well: select the established monitoring well, ensure the depth and position of well can represent target underground water layer.

[0005] Near pollution source: if the purpose is to monitor pollution, select the site close to potential pollution source.

[0006] 2. Prepare sampling equipment

[0007] Sampling appliance: use dedicated sampling appliance, such as water sampler, pump, bottle, etc., ensure that equipment is clean and not contaminated.

[0008] Sample bottle: select suitable sample bottle, usually use glass or high-density polyethylene (HDPE) bottle, ensure that bottle is cleaned before use.

[0009] 3. Preparation before sampling

[0010] Record water level: record water level before sampling for subsequent analysis.

[0011] 4. Sampling process

[0012] Sampling depth: select suitable sampling depth according to requirement, usually sample at certain depth below water level.

[0013] Sample amount: according to analysis requirement, sampling amount is usually between 500 milliliter and 1 liter.

[0014] 5. Sample processing

[0015] Seal: seal sample bottle immediately after sampling to prevent external pollution.

[0016] Label: clearly label sample information on sample bottle, including sampling site, time, depth, etc.

[0017] Based on the above detection sampling step, when detecting sampling, generally through the pipeline cooperates the liquid pumping equipment under the display of the water level meter, the liquid pumping equipment is hoisted to the sampling depth to pump the liquid sampling, but the undercurrent generally exists in the water, which also causes the pipeline to be in the curved state, and the water level meter is in the shaking state, so that the sampling position has a large deviation, and therefore the underground water sampling device for improving the sampling water layer accuracy is designed to solve the prior art defects. Utility model content

[0018] In view of the defects of the prior art, the underground water sampling device has the advantages of improving the sampling water layer accuracy.

[0019] In order to achieve the above object, the utility model provides the following technical scheme: a kind of underground water sampling device, including handle seat and handle;

[0020] The handle is installed on the handle seat;

[0021] The handle seat is provided with a lifting sampling positioning assembly that can be moved into different water layers in underground water;

[0022] The handle seat is provided with a driving assembly that drives the lifting sampling positioning assembly to move up and down to determine the water layer for sampling;

[0023] The lifting sampling positioning assembly is provided with a storage assembly for storing pumped water.

[0024] As a preferred technical scheme of the utility model, the lifting sampling positioning assembly includes a mounting seat mounted on the lower side of the handle seat, and the bottom of the mounting seat is provided with a telescopic rod;

[0025] The bottom and the outer side of the bottom of the telescopic rod are respectively provided with a liquid pumping head and a water level meter.

[0026] As a preferred technical scheme of the utility model, the top of the handle seat is provided with a bubble seat, and the outer side of the handle seat is provided with a display screen.

[0027] As a preferred technical scheme of the utility model, the driving assembly includes a mounting cover mounted inside the mounting seat and a micro servo motor mounted outside the mounting seat, the output shaft of the micro servo motor is fixedly provided with a rotating rod rotatably connected with the inner wall of the mounting cover, the outer side of the rotating rod is provided with a winding disc, and the outer side of the winding disc is wound with a steel wire rope passing through the mounting seat and fixedly connected with the bottom of the telescopic rod.

[0028] As a preferred technical scheme of the utility model, the storage assembly includes a liquid pumping member and a liquid storage member.

[0029] The liquid pumping member comprises a micro liquid pumping pump installed on the lower side of the handle seat, a hose penetrating through the telescopic rod is connected between the liquid pumping head and the liquid pumping port of the micro liquid pumping pump, a liquid discharging pipe is communicated with the liquid discharging port of the hose, and a liquid discharging plug is connected to the other end of the liquid discharging pipe.

[0030] As a preferred technical scheme of the utility model, the liquid storage member comprises a loading plate installed on the outer side of the handle seat, a plurality of threaded barrels are installed on the outer side of the loading plate, and sample storage bottles are threadedly connected to the outer sides of the threaded barrels.

[0031] The outer side of the threaded barrel is communicated with a liquid inlet plug corresponding to the liquid outlet plug, and the outer side of the liquid inlet plug is communicated with a switch valve.

[0032] Compared with the prior art, the technical scheme has the following beneficial effects:

[0033] The underground water sampling device drives the lifting sampling positioning assembly to be deep into the sampling water layer through the driving assembly, avoids the shaking of the liquid pumping member to cause the inaccuracy of the water layer, and enables the storage assembly to be arranged to pump and store the water sample in the accurate water layer, so that the accuracy of the detection data is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0034] Fig. 1 It is a perspective view of the utility model;

[0035] Fig. 2 It is a sectional view of the utility model;

[0036] Fig. 3 It is a bottom perspective view of the utility model;

[0037] Fig. 4 It is a side view of the utility model.

[0038] In the figure: 1, handle seat; 2, handle; 3, bubble level seat; 4, display screen; 5, mounting seat; 6, telescopic rod; 7, liquid pumping head; 8, water level meter; 9, mounting cover; 10, micro servo motor; 11, rotating rod; 12, winding disc; 13, steel wire pull rope; 14, micro liquid pumping pump; 15, hose; 16, liquid discharging pipe; 17, liquid discharging plug; 18, loading plate; 19, threaded barrel; 20, sample storage bottle; 21, liquid inlet plug; 22, switch valve. DETAILED DESCRIPTION

[0039] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0040] Please refer to Figs. 1 to 4 The underground water sampling device in the embodiment comprises a handle seat 1 and a handle 2.

[0041] The top of the handle seat 1 is provided with a bubble seat 3, and the outer side of the handle seat 1 is provided with a display screen 4.

[0042] The top of the handle seat 1 is provided with the handle 2, the handle 2 is wrapped with a rubber sleeve for improving the comfort of holding, and the rubber sleeve is provided with resistance increasing particles on the outside to improve the resistance increasing effect when contacting the hand.

[0043] In the embodiment, the handle seat 1 is provided with a lifting sampling positioning assembly which can be moved into different water layers in underground water.

[0044] It should be noted that the lifting sampling positioning assembly comprises a mounting seat 5 mounted and fixed to the lower surface of the handle seat 1, and the bottom of the mounting seat 5 is provided with a telescopic rod 6.

[0045] The bottom and the outer side of the bottom of the telescopic rod 6 are respectively provided with a liquid pumping head 7 and a water level meter 8.

[0046] The inside of the handle seat 1 is provided with a controller, the controller is provided with a storage battery for storing power for the whole device, the handle seat 1 is further provided with a control panel electrically connected with the controller, the control panel is provided with control buttons, and the display screen 4 is electrically connected with the controller and the water level meter 8 and used for displaying the water depth.

[0047] The handle seat 1 in the embodiment is provided with a driving assembly for driving the lifting sampling positioning assembly to move up and down to determine the water layer for sampling.

[0048] It should be noted that the driving assembly comprises a mounting cover 9 mounted and fixed to the inside of the mounting seat 5 and a micro servo motor 10 mounted and fixed to the outer side of the mounting seat 5, the output shaft of the micro servo motor 10 is provided with a rotating rod 11 rotating with the inner wall of the mounting cover 9, the outside of the rotating rod 11 is provided with a winding disc 12, and the outside of the winding disc 12 is wound with a steel wire pull rope 13 penetrating through the mounting seat 5 and fixed to the bottom of the telescopic rod 6.

[0049] The lifting sampling positioning assembly in the embodiment is provided with a storage assembly for storing the pumped water.

[0050] It should be noted that the storage assembly includes a liquid extraction member and a liquid storage member.

[0051] The liquid extraction member includes a micro liquid extraction pump 14 fixedly installed on the lower surface of the handle seat 1. A soft tube 15 passes through the telescopic rod 6 and is in communication between the liquid extraction port of the micro liquid extraction pump 14 and the liquid extraction head 7. A liquid discharge pipe 16 is in communication with the liquid discharge port of the soft tube 15. A liquid discharge plug 17 is connected to the other end of the liquid discharge pipe 16.

[0052] The telescopic rod 6 is composed of a plurality of hollow cylinders which are in sliding communication with each other. The topmost hollow cylinder is connected with the mounting seat 5, and the bottommost hollow cylinder is fixedly installed with the water level gauge 8, the liquid extraction head 7 and the steel wire pull rope 13.

[0053] The steel wire pull rope 13 is a flexible and bendable steel wire woven rope.

[0054] The soft tube 15 is in a straightened state when the telescopic rod 6 is in a fully stretched state. At the same time, the circuit line of the device passes through the telescopic rod 6, and the length of the circuit line in the telescopic rod 6 is equal to the length of the soft tube 15.

[0055] The liquid storage member includes a loading plate 18 fixedly installed on the outer side of the handle seat 1. A plurality of threaded cylinders 19 are fixedly installed on the outer side of the loading plate 18. The threaded cylinders 19 are in external thread communication with sample storage bottles 20.

[0056] The external thread communication of the threaded cylinders 19 is provided with a liquid inlet plug 21 corresponding to the liquid discharge plug 17. The external thread communication of the liquid inlet plug 21 is provided with a switch valve 22.

[0057] The micro servo motor 10 and the micro liquid extraction pump 14 are electrically connected with the controller and the control panel.

[0058] The working principle of the above embodiment is as follows:

[0059] In use, the handheld handle 2 stabilizes the overall device above the sampling water area, and adjusts the angle of the handheld handle 2 to center the bubble in the bubble seat 3, so that the overall device reaches a horizontal state.

[0060] Under the condition that the bubble is kept centered, the steel wire pull rope 13 is loosened and released by starting the micro servo motor 10 to drive the winding disc 12 on the rotating rod 11 to rotate, and at the same time, under the action of the gravity of the liquid extraction head 7 and the water level gauge 8, the telescopic rod 6 is synchronously stretched linearly with the loosening and releasing of the steel wire pull rope 13, and the water level gauge 8 measures the movement of the liquid extraction head 7 to the depth of the water layer and displays it on the display screen 4, so that the liquid extraction head 7 reaches the sampling depth. At the same time, under the linear telescopic action of the telescopic rod 6, the water level gauge 8 and the liquid extraction head 7 are not affected by the dark current of the water area, and do not shake, which affects the accuracy of sampling.

[0061] At the same time, when the accurate water layer is ensured to be reached, the micro liquid pump 14 is started to be set, the mutual communication among the micro liquid pump 14, the hose 15, the liquid pumping head 7, the liquid discharging pipe 16 and the liquid discharging plug 17 is utilized, so that the liquid discharging plug 17 is conveniently plugged and connected with the liquid inlet plug 21, the switch valve 22 is opened, the water of the sampling water layer is made to enter through the liquid pumping head 7 under the working condition of the micro liquid pump 14, is discharged into the sample storage bottle 20 communicated with the threaded cylinder 19 to be stored, the switch valve 22 is closed after the storage is completed, the sealed storage of the sample is realized, the setting of the plurality of sample storage bottles 20 realizes the adjustment of the depth of the liquid pumping head 7, and the water of different water layers is pumped and stored in different sample storage bottles 20.

[0062] The electrical components appearing in the text are all electrically connected with the master controller and the power supply. The master controller can be a conventional known device such as a computer for control, and the existing disclosed power connection technology is not described herein.

Claims

1. An underground water sampling device, comprising a handle seat (1) and a handle (2); The handle (2) is installed on the handle seat (1); characterized in that The handle seat (1) is provided with a lifting sampling positioning assembly that can be moved into different water layers of underground water; The handle seat (1) is provided with a driving assembly that drives the lifting sampling positioning assembly to move up and down to determine the water layer for sampling; The lifting sampling positioning assembly is provided with a storage assembly for storing extracted water, and the lifting sampling positioning assembly comprises a mounting seat (5) mounted on the lower side of the handle seat (1), and the bottom of the mounting seat (5) is provided with a telescopic rod (6); The bottom and the outer side of the bottom of the telescopic rod (6) are respectively provided with a liquid suction head (7) and a water level gauge (8), the driving assembly comprises a micro servo motor (10) mounted on the outer side of the mounting seat (5), the output shaft of the micro servo motor (10) is fixedly provided with a rotating rod (11), the outer side of the rotating rod (11) is provided with a winding disc (12), the outer side of the winding disc (12) is wound with a steel wire rope (13) that passes through the mounting seat (5) and is connected with the bottom of the telescopic rod (6), and the storage assembly comprises a liquid suction member and a liquid storage member; The liquid suction member comprises a micro liquid suction pump (14) mounted on the lower side of the handle seat (1), a soft tube (15) that passes through the telescopic rod (6) is connected between the liquid suction port of the micro liquid suction pump (14) and the liquid suction head (7), the soft tube (15) is communicated with a liquid discharge pipe (16), and the other end of the liquid discharge pipe (16) is connected with a liquid discharge plug (17).

2. A groundwater sampling device according to claim 1, wherein: The top of the handle seat (1) is provided with a level bubble seat (3), and the outer side of the handle seat (1) is provided with a display screen (4).

3. The groundwater sampling device of claim 1, wherein: The liquid storage member comprises a loading plate (18) mounted on the outer side of the handle seat (1), a plurality of threaded barrels (19) are mounted on the outer side of the loading plate (18), and the outer side of the threaded barrel (19) is threadedly connected with a sample storage bottle (20); The outer side of the threaded barrel (19) is communicated with a liquid inlet plug (21) corresponding to the liquid discharge plug (17), and the outer side of the liquid inlet plug (21) is communicated with an on-off valve (22).

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