Underground water detection device for evaluating underground water

Abstract

The underground water detection device comprises a water tank filled with cleaning water, a U-shaped supporting plate is fixedly installed at the top of the water tank, and a winding pipe with the front end and the rear end being of a plugging structure is rotationally installed between the inner walls of the front side and the rear side of the U-shaped supporting plate. A band-type brake motor with an output shaft fixedly connected with the rear end of the winding pipe is fixedly installed on the rear side of the U-shaped supporting plate, and a hose communicated with the interior of the winding pipe is wound around the winding pipe. By arranging a series of structures, underground water is conveniently collected and detected in a long-distance extracting and sampling mode by releasing and rolling the hose, the underground water sampling device is conveniently suitable for sampling deeper underground water and is not limited by the depth of the underground water, and the applicability is improved; the underground water collecting water passing channel can be integrally and rapidly backwashed and cleaned after detection, the interior of the detection bottle can be flushed, the phenomenon that the use next time is influenced by excessive residual underground water harmful substances in the last time is reduced, and the use effect is improved.

Description

Technical Field

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

[0002] In order to determine whether the groundwater in the site is contaminated, it is necessary to extract and sample the groundwater during the groundwater testing process, and then use water quality testing instruments to test it. Regarding groundwater extraction and testing, according to a search report from a novelty search agency, Publication No. CN221707474U discloses a groundwater testing device for groundwater evaluation, which includes a testing plate, the upper surface of which is fixedly connected to a suction cylinder, the top of which is fixedly connected to a first electric telescopic rod, the output end of which is fixedly connected to a piston, and the piston is movably connected to the inner wall of the suction cylinder; the lower surface of the testing plate is fixedly connected to a second electric telescopic rod, the output end of which is fixedly connected to a connecting frame, and the surface of the connecting frame is detachably connected to a screen; a sampling hole is provided in the middle of the suction cylinder, a sampling tube is slidably connected to the interior of the sampling hole, and the end of the sampling tube away from the sampling hole is fixedly connected to a measuring box, and a cleaning component is provided inside the measuring box; through the above structure, sediment is filtered once, and then the groundwater detection is more accurate and the influence of foreign objects is reduced.

[0003] The above technology discloses a groundwater detection device for groundwater evaluation, which extracts groundwater through a suction cylinder and other structures in conjunction with a connecting pipe, and discharges the water sample into a measuring cup through a pump body for detection using a digital water quality detection pen. However, there are the following shortcomings when used: 1. The length of the connecting pipe is fixed, and some groundwater locations are relatively low, making it difficult to apply to sampling deeper groundwater; 2. After sampling and detection, there is a lack of an integrated structure for quickly cleaning the groundwater water channel, and more harmful substances remain in the water channel in the groundwater, which can easily affect the next detection work; improvement is needed. In view of this, the present application proposes a groundwater detection device for groundwater evaluation to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the present utility model is to provide a groundwater detection device for groundwater evaluation to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a groundwater detection device for groundwater evaluation, comprising a water tank filled with cleaning water, a U-shaped support plate fixedly mounted on the top of the water tank, a reel with both front and rear ends having blocking structures rotatably mounted between the front and rear inner walls of the U-shaped support plate, a brake motor fixedly mounted on the rear side of the U-shaped support plate with an output shaft fixedly connected to the rear end of the reel, a hose wound around the reel and connected to the interior thereof, a counterweight fixedly sleeved on the outer bottom end of the hose, a filter cover fixedly connected to the bottom of the counterweight; the brake motor is provided for driving the reel to rotate and release or reel in the hose, and the bottom end of the hose is lowered into the groundwater to be sampled by cooperating with the counterweight to release the hose;

[0006] A water pump is fixedly installed on the right side of the U-shaped support plate, and the top of the water pump is fixed and electrically connected to a PLC controller. The water inlet of the water pump is connected and fixed with a switchable suction component, and the bottom end of the switchable suction component extends into the water tank. The winding tube is sealed and rotatably sleeved on the switchable suction component. A switchable cleaning water supply component is connected and fixed between the water outlet of the water pump and the bottom of the switchable suction component. Both the switchable suction component and the switchable cleaning water supply component are electrically connected to the PLC controller. A switchable cleaning water supply component is fixedly connected to the right side of the water tank. The groundwater sample detection component; the switching suction component is used to be controlled by the PLC controller to extract the groundwater that needs to be tested through the reel pipe and the hose in sequence when the water pump is turned on, and is used to switch to collecting the groundwater inside the water tank when the water channel needs to be cleaned later. The switching cleaning water supply component is used to be controlled by the PLC controller to supply and discharge the extracted groundwater when the water pump is turned on, and is used to switch to supplying water to the reel pipe for backwash cleaning when the water channel needs to be cleaned later. The groundwater sample detection component is used to receive and detect the extracted, supplied and discharged groundwater.

[0007] Preferably, the switchable suction assembly includes an L-shaped tube connected and fixed at the water inlet of the water pump, the rear end of the L-shaped tube extends into the winding tube, the winding tube is sealed and rotatably sleeved on the L-shaped tube, the bottom of the L-shaped tube is connected and fixed with a suction pipe, the bottom end of the suction pipe extends into the water tank, a first solenoid valve located on the left side of the suction pipe is installed on the L-shaped tube, and a second solenoid valve is installed on the suction pipe, and the second solenoid valve and the first solenoid valve are both electrically connected to the PLC controller.

[0008] Preferably, the switching cleaning water supply component includes a water supply pipe connected and fixed at the water outlet of the water pump, a third solenoid valve and a fourth solenoid valve are installed on the water supply pipe, the water outlet of the water pump is located between the third solenoid valve and the fourth solenoid valve, the top of the water supply pipe is connected and fixed to the bottom of the L-shaped pipe, the bottom end of the water supply pipe is connected and fixed to a sprinkler head located on the right side of the water tank, and the third solenoid valve and the fourth solenoid valve are both electrically connected to the PLC controller.

[0009] Preferably, the groundwater sample detection assembly includes a detection bottle fixedly connected to the right side of the water tank, the detection bottle is located below the spray head, a drain valve is fixed on the right side of the bottom of the detection bottle, and a digital water quality detection pen is fixedly installed on the left side of the bottom of the detection bottle, and the detection end of the digital water quality detection pen extends into the detection bottle.

[0010] Preferably, a battery is fixedly installed on the top right side of the water tank, and the water pump, the first solenoid valve, the second solenoid valve, the third solenoid valve, the fourth solenoid valve, the brake motor and the PLC controller are all electrically connected to the battery.

[0011] Preferably, a circular through-hole is opened on the left side of the reeling tube, one end of the hose passes through the circular through-hole and extends into the reeling tube, and the inner wall of the circular through-hole is fixedly connected to the outer side of the hose.

[0012] Preferably, a circular hole is opened on the front side of the winding tube, a sealed bearing is fixedly sleeved in the circular hole, and the inner ring of the sealed bearing is fixedly sleeved on the outer side of the L-shaped tube.

[0013] Preferably, the outer fixed sleeve of the winding tube is provided with two limit plates, and the hose is located between the two limit plates.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. Through the coordination of the winding tube, U-shaped support plate, hose, counterweight, filter cover, water pump, PLC controller, switchable suction assembly, switchable cleaning water supply assembly and groundwater sampling detection assembly, groundwater can be collected and tested by releasing and winding the hose for long-distance sampling. This makes it convenient for sampling deeper groundwater without being restricted by the depth of the groundwater, thus improving its applicability.

[0016] 2. Through the cooperation of the set water pump, PLC controller, switching suction component, switching cleaning water supply component and groundwater sample detection component, it can be converted into cleaning water in the extraction tank after use, and the cleaning water can be returned through the groundwater channel for backwashing and cleaning, so as to achieve the effect of fast backwashing and cleaning of the groundwater collection water channel after detection, and can also flush the inside of the test bottle, thereby reducing the phenomenon that excessive residual harmful substances in the previous groundwater affect the next use, and improving the use effect.

[0017] The utility model is provided with a series of structures, which makes it convenient to collect and test groundwater by releasing and reeling in the hose for long-distance extraction and sampling. It is convenient for sampling deeper groundwater and is not limited by the depth of groundwater, thereby improving applicability. It is also convenient for quickly back-flushing and cleaning the groundwater collection water channel after the test, and can also flush the inside of the test bottle, thereby reducing the phenomenon that excessive residual harmful substances in the previous groundwater affect the next use, thereby improving the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of a groundwater detection device for groundwater evaluation proposed by the present utility model;

[0019] Figure 2 for Figure 1 Schematic diagram of the rear view structure;

[0020] Figure 3 This is a schematic diagram of the main cross-sectional structure of a groundwater detection device for groundwater evaluation proposed by the present utility model;

[0021] Figure 4 This is a schematic cross-sectional view of the U-shaped support plate, reel tube, hose and counterweight block connector of a groundwater detection device for groundwater evaluation proposed by the utility model.

[0022] In the figure: 100, test bottle; 101, digital water quality test pen; 102, drain valve; 1, water tank; 2, U-shaped support plate; 3, PLC controller; 4, water pump; 5, reel tube; 6, limit plate; 7, hose; 8, counterweight; 9, brake motor; 10, L-shaped tube; 11, first solenoid valve; 12, second solenoid valve; 13, water suction pipe; 14, third solenoid valve; 15, fourth solenoid valve; 16, water supply pipe; 17, spray head. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions 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 are within the scope of protection of the present invention.

[0024] like Figures 1 to 4As shown, the present embodiment proposes a groundwater detection device for groundwater evaluation, comprising a water tank 1 filled with cleaning water, wherein a water supply pipe is fixedly connected to the left side of the top of the water tank 1, a U-shaped support plate 2 is fixedly installed on the top of the water tank 1, a reeling tube 5 with both front and rear ends having a blocking structure is rotatably installed between the front and rear inner walls of the U-shaped support plate 2, a brake motor 9 with an output shaft fixedly connected to the rear end of the reeling tube 5 is fixedly installed on the rear side of the U-shaped support plate 2, a hose 7 connected to the interior of the reeling tube 5 is wound around the reeling tube 5, wherein a circular through-hole is opened on the left side of the reeling tube 5, one end of the hose 7 passes through the circular through-hole and extends into the reeling tube 5, and the circular through-hole The inner wall of the reel tube 5 is fixedly connected to the outer side of the hose 7, which has the effect of allowing one end of the hose 7 to pass through. The outer fixed sleeve of the reel tube 5 is provided with two limit plates 6. The hose 7 is located between the two limit plates 6, which has the effect of blocking and restricting the hose 7 to prevent it from sliding out to the front and rear sides. The outer bottom end fixed sleeve of the hose 7 is provided with a counterweight block 8, and the bottom of the counterweight block 8 is fixedly connected to a filter cover; the brake motor 9 is provided for driving the reel tube 5 to rotate to release or reel the hose 7, and the bottom end of the hose 7 is lowered into the groundwater to be sampled by releasing the hose 7 and coordinating with the counterweight block 8. The filter cover is provided for filtering solid impurities in the groundwater;

[0025] A water pump 4 is fixedly installed on the right side of the U-shaped support plate 2, and the top of the water pump 4 is fixed and electrically connected to the PLC controller 3. The water inlet of the water pump 4 is connected and fixed with a switchable suction component, and the bottom end of the switchable suction component extends into the water tank 1. The winding tube 5 is sealed and rotatably sleeved on the switchable suction component. A switchable cleaning water supply component is connected and fixed between the water outlet of the water pump 4 and the bottom of the switchable suction component. Both the switchable suction component and the switchable cleaning water supply component are electrically connected to the PLC controller 3. The bottom of the switchable cleaning water supply component is provided with a switchable cleaning water supply component fixedly connected to the right side of the water tank 1. The groundwater sample detection component; the switching suction component is used to be controlled by the PLC controller 3 to extract the groundwater that needs to be detected through the reel tube 5 and the hose 7 in sequence when the water pump 4 is turned on, and is used to switch to collecting the groundwater inside the water tank 1 when the water channel needs to be cleaned later. The switching cleaning water supply component is used to be controlled by the PLC controller 3 to supply and discharge the extracted groundwater when the water pump 4 is turned on, and is used to switch to supplying water to the reel tube 5 for backwashing and cleaning when the water channel needs to be cleaned later. The groundwater sample detection component is used to receive and detect the extracted, supplied and discharged groundwater.

[0026] Specifically, the switchable suction assembly includes an L-shaped tube 10 connected and fixed at the water inlet of the water pump 4, the rear end of the L-shaped tube 10 extends into the reel-up tube 5, and the reel-up tube 5 is sealed and rotatably sleeved on the L-shaped tube 10, wherein a circular hole is opened on the front side of the reel-up tube 5, and a sealed bearing is fixedly sleeved in the circular hole. The inner ring of the sealed bearing is fixedly sleeved on the outer side of the L-shaped tube 10, which has the effect of sealing and rotating the reel-up tube 5 on the inside. The rotating connection can avoid the rotational torque on the L-shaped tube 10 when the reel-up tube 5 rotates. The bottom of the L-shaped tube 10 is connected and fixed with a water suction pipe 13, and the bottom end of the water suction pipe 13 extends into the water tank 1. A first solenoid valve 11 located on the left side of the water suction pipe 13 is installed on the L-shaped tube 10, and a second solenoid valve 12 is installed on the water suction pipe 13. The second solenoid valve 12 and the first solenoid valve 12 are connected to each other. The solenoid valves 11 are all electrically connected to the PLC controller 3; the L-shaped tube 10, the first solenoid valve 11, the second solenoid valve 12 and the water suction pipe 13 are coordinated, and the PLC controller 3 is pre-set to control the first solenoid valve 11 to open and the second solenoid valve 12 to close when extracting samples, and is pre-set to control the first solenoid valve 11 to close and the second solenoid valve 12 to open when cleaning. When extracting samples, the water pump 4 extracts groundwater through the first solenoid valve 11, the L-shaped tube 10, the winding tube 5 and the hose 7 in turn. When cleaning, the PLC controller 3 controls the first solenoid valve 11 to close and the second solenoid valve 12 to open. At this time, the water pump 4 extracts water from the water tank 1 through the second solenoid valve 12 and the water suction pipe 13 in turn, thereby achieving the effect of conveniently switching the pumping channel according to sampling and cleaning.

[0027] Furthermore, the switching cleaning water supply component includes a water supply pipe 16 connected and fixed at the water outlet of the water pump 4, and a third solenoid valve 14 and a fourth solenoid valve 15 are installed on the water supply pipe 16. The water outlet of the water pump 4 is located between the third solenoid valve 14 and the fourth solenoid valve 15. The top of the water supply pipe 16 is connected and fixed to the bottom of the L-shaped tube 10, and the bottom end of the water supply pipe 16 is connected and fixed to a sprinkler head 17 located on the right side of the water tank 1. The third solenoid valve 14 and the fourth solenoid valve 15 are both electrically connected to the PLC controller 3. A battery is fixedly installed on the top right side of the water tank 1, and the water pump 4, the first solenoid valve 11, the second solenoid valve 12, the third solenoid valve 14, the fourth solenoid valve 15, the brake motor 9 and the PLC controller 3 are all electrically connected to the battery; the water supply pipe 16, the third solenoid valve 14 and The fourth solenoid valve 15 cooperates, and the PLC controller 3 is pre-set to control the fourth solenoid valve 15 to open and the third solenoid valve 14 to close when extracting samples, and is pre-set to control the fourth solenoid valve 15 to close and the third solenoid valve 14 to open when cleaning. When extracting samples, the water pump 4 supplies and discharges the extracted groundwater samples through the fourth solenoid valve 15, the water supply pipe 16 and the spray head 17 in turn. When cleaning, the PLC controller 3 controls the fourth solenoid valve 15 to close and controls the third solenoid valve 14 to open. At this time, the cleaning water extracted by the water pump 4 is supplied into the L-shaped tube 10 through the third solenoid valve 14 and the water supply pipe 16, and then enters the winding tube 5 and the hose 7 in turn for discharge, thereby achieving the effect of backwash cleaning and reducing the excessive residual harmful substances in the groundwater from the last time and affecting the next use.

[0028] Furthermore, the underground water sample detection assembly includes a detection bottle 100 fixedly connected to the right side of the water tank 1, the detection bottle 100 is located below the spray head 17, and a drain valve 102 is fixed on the right side of the bottom of the detection bottle 100. A digital water quality detection pen 101 is fixedly installed on the left side of the bottom of the detection bottle 100, and the detection end of the digital water quality detection pen 101 extends into the detection bottle 100; the detection bottle 100, the drain valve 102 and the digital water quality detection pen 101 are arranged to cooperate, and the detection bottle 100 is used to receive the water sprayed by the spray head 17, and the digital water quality detection pen 101 is used to detect the groundwater. After the detection, the personnel can close the third solenoid valve 14 and open the fourth solenoid valve 15 during the cleaning process, so that the cleaning water is converted to be supplied to the spray head 17 for spraying, and the sprayed water flushes the inside of the detection bottle 100. During flushing, the drain valve 102 is opened to discharge the cleaning water, and the inside of the detection bottle 100 is flushed by using an integrated unit, which is convenient for next use.

[0029] The method of using this embodiment is as follows: the device is installed on an external mobile vehicle body, and after the device is moved to the position where sampling is required, the brake motor 9 is started in the positive direction to drive the reel tube 5 to rotate, and the hose 7 is released. Under the gravity of the counterweight block 8, the counterweight block 8 moves downward by its own weight and drives the bottom end of the hose 7 to gradually move downward into the groundwater. The PLC controller 3 is pre-set to control the first solenoid valve 11 to open, the second solenoid valve 12 to close, the fourth solenoid valve 15 to open, and the third solenoid valve 14 to close when sampling, and is pre-set to control the first solenoid valve 11 to close, the second solenoid valve 12 to close, the fourth solenoid valve 15 to open, and the third solenoid valve 14 to close when cleaning. The second solenoid valve 12 is opened, the fourth solenoid valve 15 is closed, and the third solenoid valve 14 is controlled to be opened. When sampling, the water pump 4 is turned on to extract groundwater through the first solenoid valve 11, the L-shaped tube 10, the winding tube 5, and the hose 7 in sequence. The solid impurities in the groundwater are filtered and intercepted by the filter cover. The water pump 4 then sprays the extracted groundwater sample through the fourth solenoid valve 15, the water supply pipe 16, and the spray head 17 in sequence for discharge. The water sprayed by the spray head 17 is received by the detection bottle 100, and the groundwater is tested using the digital display water quality detection pen 101 to achieve sampling and testing of the groundwater;

[0030] When the groundwater collection channel needs to be cleaned after the test, the personnel operate the PLC controller 3 to control the first solenoid valve 11 to close, the second solenoid valve 12 to open, the fourth solenoid valve 15 to close, and the third solenoid valve 14 to open. At this time, the water pump 4 extracts the cleaning water in the water tank 1 through the second solenoid valve 12 and the water suction pipe 13 in sequence, and supplies it into the L-shaped tube 10 through the third solenoid valve 14 and the water supply pipe 16 in sequence. The cleaning water then enters the reel pipe 5 and the hose 7 in sequence and is discharged, achieving the effect of integrated rapid backwashing and cleaning of the groundwater collection channel after the test, reducing the phenomenon that excessive residual harmful substances in the previous groundwater affect the next use, and improving the use effect; in addition, during cleaning, the personnel can also close the third solenoid valve 14 and open the fourth solenoid valve 15, so that the cleaning water is converted into the supply to the spray head 17 for spraying, and the sprayed water rinses the inside of the test bottle 100. During the flushing, the drain valve 102 is opened to discharge the cleaning water, and the inside of the test bottle 100 is rinsed in an integrated manner, which is convenient for the next use and achieves the effect of integrated cleaning of the test bottle 100;

[0031] After use, the brake motor 9 is started in reverse to drive the reeling tube 5 to rotate, and the hose 7 is reeled in. The hose 7 drives the counterweight block 8 to rise and reset. By releasing and reeling in the hose 7 for long-distance sampling, it is convenient to sample deeper groundwater without being restricted by the depth of groundwater, thereby improving applicability.

[0032] By those skilled in the art, all electrical components in this case are connected to their corresponding power supplies through wires, and basic control wires should be used to connect them to the PLC controller 3 according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the control sequence in the above-mentioned usage method. Basic programmers can set the corresponding opening and closing control programs through functions. This is a well-known technology in the art and will not be repeated here.

[0033] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A groundwater detection device for groundwater evaluation, comprising a water tank (1) filled with cleaning water, characterized in that: A U-shaped support plate (2) is fixedly installed on the top of the water tank (1); a reeling tube (5) with both front and rear ends having a blocking structure is rotatably installed between the front and rear inner walls of the U-shaped support plate (2); a brake motor (9) with an output shaft fixedly connected to the rear end of the reeling tube (5) is fixedly installed on the rear side of the U-shaped support plate (2); a hose (7) connected to the interior of the reeling tube (5) is wound around the reeling tube (5); a counterweight (8) is fixedly sleeved on the outer bottom end of the hose (7); and a filter screen cover is fixedly connected to the bottom of the counterweight (8); A water pump (4) is fixedly installed on the right side of the U-shaped support plate (2), and the top of the water pump (4) is fixed and electrically connected to a PLC controller (3). The water inlet of the water pump (4) is connected and fixed with a switchable suction component, and the bottom end of the switchable suction component extends into the water tank (1). The reel (5) is sealed and rotatably sleeved on the switchable suction component. A switchable cleaning water supply component is connected and fixed between the water outlet of the water pump (4) and the bottom of the switchable suction component. Both the switchable suction component and the switchable cleaning water supply component are electrically connected to the PLC controller (3). A groundwater sample detection component fixedly connected to the right side of the water tank (1) is provided below the switchable cleaning water supply component.

2. A groundwater detection device for groundwater evaluation according to claim 1, characterized in that: The switchable suction assembly comprises an L-shaped tube (10) connected and fixed at the water inlet of the water pump (4), the rear end of the L-shaped tube (10) extends into the reel tube (5), the reel tube (5) is sealed and rotatably sleeved on the L-shaped tube (10), the bottom of the L-shaped tube (10) is connected and fixed with a water suction tube (13), the bottom end of the water suction tube (13) extends into the water tank (1), a first solenoid valve (11) located on the left side of the water suction tube (13) is installed on the L-shaped tube (10), a second solenoid valve (12) is installed on the water suction tube (13), and the second solenoid valve (12) and the first solenoid valve (11) are both electrically connected to the PLC controller (3).

3. A groundwater detection device for groundwater evaluation according to claim 2, characterized in that: The switchable cleaning water supply assembly comprises a water supply pipe (16) connected and fixed at the water outlet of the water pump (4); a third solenoid valve (14) and a fourth solenoid valve (15) are installed on the water supply pipe (16); the water outlet of the water pump (4) is located between the third solenoid valve (14) and the fourth solenoid valve (15); the top end of the water supply pipe (16) is connected and fixed to the bottom of the L-shaped pipe (10); the bottom end of the water supply pipe (16) is connected and fixed to a spray head (17) located on the right side of the water tank (1); and the third solenoid valve (14) and the fourth solenoid valve (15) are both electrically connected to the PLC controller (3).

4. A groundwater detection device for groundwater evaluation according to claim 3, characterized in that: The underground water sample detection assembly comprises a detection bottle (100) fixedly connected to the right side of the water tank (1), the detection bottle (100) is located below the spray head (17), the bottom right side of the detection bottle (100) is connected and fixed with a drain valve (102), and the bottom left side of the detection bottle (100) is fixedly installed with a digital display water quality detection pen (101), and the detection end of the digital display water quality detection pen (101) extends into the detection bottle (100).

5. The groundwater detection device for groundwater evaluation according to claim 3, characterized in that: A battery is fixedly installed on the right side of the top of the water tank (1), and the water pump (4), the first solenoid valve (11), the second solenoid valve (12), the third solenoid valve (14), the fourth solenoid valve (15), the brake motor (9) and the PLC controller (3) are all electrically connected to the battery.

6. A groundwater detection device for groundwater evaluation according to claim 1, characterized in that: A circular through-hole is provided on the left side of the reeling tube (5), one end of the hose (7) passes through the circular through-hole and extends into the reeling tube (5), and the inner wall of the circular through-hole is fixedly connected to the outer side of the hose (7).

7. A groundwater detection device for groundwater evaluation according to claim 2, characterized in that: A circular hole is provided on the front side of the winding tube (5), a sealing bearing is fixedly sleeved in the circular hole, and the inner ring of the sealing bearing is fixedly sleeved on the outer side of the L-shaped tube (10).

8. The groundwater detection device for groundwater evaluation according to claim 1, characterized in that: The outer fixed sleeve of the reeling tube (5) is provided with two limiting disks (6), and the hose (7) is located between the two limiting disks (6).

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