Underground water detection sampling device

Abstract

The utility model discloses an underground water detecting and sampling device. The underground water detecting and sampling device comprises a rack, a winding drum, a connecting rope and a sampler, the winding drum is arranged on the rack, and a connecting rope is wound on the winding drum; the sampler comprises a balancing weight, a sampling barrel, a buoyancy block, a water depth sensor, a waterproof proximity switch, a motor, a main controller, a battery, a blocking cover and a first sealing plug; the sampling barrel is connected with the connecting rope, a balancing weight is arranged at the bottom of the sampling barrel, a sampling cavity and a mounting cavity are formed in the sampling barrel, a water inlet is formed in the top of the sampling barrel, a water outlet is formed in the side wall of the sampling barrel, and a first sealing plug is arranged at the water outlet; the blocking cover is rotationally arranged at the top of the sampling barrel; an output shaft of the motor is fixedly connected with the blocking cover; the water depth sensor is arranged on the outer side wall of the sampling barrel, the waterproof proximity switch is arranged at the top of the sampling cavity, and the buoyancy block is arranged in the sampling cavity. The device can be used for sampling underground water at a specific water depth by automatically opening or closing the water inlet at a specific water depth region, so that the accuracy of a subsequent detection result is favorably improved.

Description

Technical Field

[0001] The utility model relates to the field of sampling, in particular to a groundwater detection sampling device. Background Art

[0002] In the existing technology, when sampling groundwater, water samples are generally directly extracted using water pumps and other devices. The sampling depth of this sampling method depends on the release length of the water pipe, and it is impossible to sample water areas at a relatively specific depth. Moreover, when the water pump is working, the continuous vibration time is long and the vibration is large, which will cause disturbance of the water body, resulting in mixing of water at different depths, affecting the representativeness of the sample, and is not conducive to the accuracy of subsequent test results. Therefore, improvement is needed. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems in the prior art. To this end, one purpose of the present invention is to provide a groundwater detection sampling device.

[0004] The technical solution of the utility model is as follows: A groundwater detection sampling device, characterized in that it comprises: a frame, a reel, a connecting rope and a sampler;

[0005] The reel is arranged on the frame, and the connecting rope is wound around the reel;

[0006] The sampler includes a counterweight, a sampling tube, a buoyancy block, a water depth sensor, a waterproof proximity switch, a motor, a main controller, a battery, a blocking cover and a first sealing plug; the sampling tube is connected to the connecting rope, the counterweight is provided at the bottom of the sampling tube, a sampling cavity and an installation cavity are provided inside the sampling tube, a water inlet is provided at the top of the sampling tube, a drain port is provided on the side wall of the sampling tube, both the water inlet and the drain port are connected to the sampling cavity, and the first sealing plug is provided at the drain port;

[0007] The blocking cover is rotatably mounted on the top of the sampling tube, the motor, main controller and battery are all located in the mounting cavity, the output shaft of the motor is fixedly connected to the blocking cover, and the motor is used to drive the blocking cover to rotate to open or close the water inlet;

[0008] The water depth sensor is arranged on the outer wall of the sampling tube, the waterproof proximity switch is arranged on the top of the sampling chamber, the buoyancy block is arranged in the sampling chamber and can rise and fall with the rise and fall of the liquid level, the water depth sensor, waterproof proximity switch, motor and battery are all connected to the main controller, and the main controller is connected to the remote terminal communication.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0010] This device can sample groundwater at a specific water depth by automatically opening or closing the water inlet, thereby helping to improve the accuracy of subsequent test results.

[0011] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work:

[0013] Figure 1 This is a schematic diagram of the use state of the utility model;

[0014] Figure 2 is a schematic diagram of the sampler of the present invention, wherein the water inlet is in a closed state;

[0015] Figure 3 is a schematic diagram of the sampler of the present invention, wherein the water inlet is in an open state;

[0016] Reference numerals:

[0017] 1. Frame; 2. Reel; 3. Connecting rope; 4. Counterweight; 5. Sampling tube; 6. Buoyancy block; 7. Water depth sensor; 8. Waterproof proximity switch; 9. Motor; 10. Battery; 11. Cover; 12. First sealing plug; 13. Second sealing plug; 14. Sampling chamber; 15. Installation chamber; 16. Sealing ring; 17. Water hole. DETAILED DESCRIPTION

[0018] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0019] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0020] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0021] In the description of this utility model, "first feature" or "second feature" may include one or more of these features. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features being described. Therefore, features specified as "first" or "second" may explicitly or implicitly include one or more of these features.

[0022] like Figure 1-Figure 3 The groundwater detection sampling device shown includes: a frame 1, a reel 2, a connecting rope 3 and a sampler.

[0023] The drum 2 is mounted on the frame 1 and is wound with a connecting rope 3. The connecting rope 3 can be released or retracted by rotating the drum 2, thereby adjusting the depth at which the sampler is placed in the water. The drum 2 can be an existing automated winch or a manually rotated drum 2, and there is no limitation to this.

[0024] The sampler includes a counterweight 4, a sampling tube 5, a buoyancy block 6, a water depth sensor 7, a waterproof proximity switch 8, a motor 9, a main controller, a battery 10, a blocking cover 11 and a first sealing plug 12.

[0025] The sampling tube 5 is connected to the connecting rope 3. A counterweight 4 is provided at the bottom of the sampling tube 5. A sampling cavity 14 and an installation cavity 15 are provided inside the sampling tube 5. A water inlet is provided at the top of the sampling tube 5. A drain outlet is provided on the side wall of the sampling tube 5. Both the water inlet and the drain outlet are connected to the sampling cavity 14. A first sealing plug 12 is provided at the drain outlet.

[0026] The baffle 11 is rotatably mounted on the top of the sampling tube 5. The motor 9, the main controller, and the battery 10 are all mounted in the mounting cavity 15. The output shaft of the motor 9 is fixedly connected to the baffle 11. The motor 9 is used to drive the baffle 11 to rotate to open or close the water inlet. The water depth sensor 7 is mounted on the outer wall of the sampling tube 5. The waterproof proximity switch 8 is mounted on the top of the sampling cavity 14. The buoyancy block 6 is mounted in the sampling cavity 14 and can rise and fall with the liquid level. The water depth sensor 7, the waterproof proximity switch 8, the motor 9, and the battery 10 are all connected to the main controller. The main controller is connected to a remote terminal for communication. The remote terminal here can be, for example, a mobile phone or a remote control. The main controller can establish wired or wireless communication with the remote terminal via a cable or a wireless communication module. These are common communication methods and belong to mature existing technologies and will not be described in detail. The user can control the operation of the main controller through the remote terminal, thereby controlling the working state of the motor 9.

[0027] Specifically, when the device is in use, the sampler is placed in water. Since the sampler is provided with a counterweight 4 , it can be directly sunk into the water. Then the reel 2 is rotated to release the connecting rope 3 .

[0028] During the process of the sampler sinking into the water, the water depth detector can detect the sinking depth. When the appropriate depth is reached, the reel 2 stops rotating and sampling begins. At this time, the motor 9 drives the cover 11 to rotate, thereby opening the water inlet. The groundwater at this depth can enter the sampling chamber 14 through the water inlet. The liquid level in the sampling chamber 14 rises, and the buoyancy block 6 will rise with the liquid level until the buoyancy block 6 is close to the waterproof proximity switch 8, indicating that the sampling is complete. The controller then controls the motor 9 to reverse, the cover 11 to reclose the water inlet, and the reel 2 to retract the connecting rope 3 to lift the sampler upward. When the water sample in the sampler is to be taken out later, the first sealing plug 12 can be pulled out.

[0029] Therefore, the device can sample groundwater at a specific water depth by automatically opening or closing the water inlet in a specific water depth area, thereby helping to improve the accuracy of subsequent test results.

[0030] In further settings, such as Figure 3 As shown, the buoyancy block 6 is provided with a plurality of water-permeable holes 17 , which allow water to flow into the sampling cavity 14 normally.

[0031] The sampling barrel 5 is provided with a charging port connected to the battery 10, and a second sealing plug 13 is installed at the charging port. The top of the sampling barrel 5 is provided with an axial hole, which is connected to the mounting cavity 15. The output shaft of the motor 9 extends upward through the axial hole and is fixedly connected to the cover 11. A sealing ring 16 is provided between the output shaft of the motor 9 and the sampling barrel 5.

[0032] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A groundwater detection sampling device, characterized in that: include: rack, reel, connecting rope and sampler; The reel is arranged on the frame, and the connecting rope is wound around the reel; The sampler includes a counterweight, a sampling tube, a buoyancy block, a water depth sensor, a waterproof proximity switch, a motor, a main controller, a battery, a blocking cover and a first sealing plug; the sampling tube is connected to the connecting rope, the counterweight is provided at the bottom of the sampling tube, a sampling cavity and an installation cavity are provided inside the sampling tube, a water inlet is provided at the top of the sampling tube, a drain port is provided on the side wall of the sampling tube, both the water inlet and the drain port are connected to the sampling cavity, and the first sealing plug is provided at the drain port; The blocking cover is rotatably mounted on the top of the sampling tube, the motor, main controller and battery are all located in the mounting cavity, the output shaft of the motor is fixedly connected to the blocking cover, and the motor is used to drive the blocking cover to rotate to open or close the water inlet; The water depth sensor is arranged on the outer wall of the sampling tube, the waterproof proximity switch is arranged on the top of the sampling chamber, the buoyancy block is arranged in the sampling chamber and can rise and fall with the rise and fall of the liquid level, the water depth sensor, waterproof proximity switch, motor and battery are all connected to the main controller, and the main controller is connected to the remote terminal communication.

2. The groundwater detection sampling device according to claim 1, characterized in that: The sampling cylinder is provided with a charging port connected to the battery, and a second sealing plug is provided at the charging port.

3. The groundwater detection sampling device according to claim 1, characterized in that: An axial hole is provided on the top of the sampling cylinder, the axial hole is communicated with the mounting cavity, the output shaft of the motor passes upward through the axial hole and is fixedly connected to the blocking cover, and a sealing ring is provided between the output shaft of the motor and the sampling cylinder.

4. The groundwater detection sampling device according to claim 1, characterized in that: The buoyancy block is provided with a plurality of water-permeable holes.

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