CN115586343A

CN115586343A - Underground water dynamic monitoring and automatic sampling device

Info

Publication number: CN115586343A
Application number: CN202211245812.3A
Authority: CN
Inventors: 冯翔; 杨坡; 匡恒; 王永辉; 李自涛; 吴冰华; 王豫飞; 唐辉; 马晓宇
Original assignee: HENAN GEOL SCIENT RES I; Henan Geological Research Institute
Current assignee: HENAN GEOL SCIENT RES I; Henan Geological Research Institute
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-10
Anticipated expiration: 2042-10-08
Also published as: CN115586343B

Abstract

The invention discloses a device for dynamically monitoring underground water and automatically sampling underground water, which comprises an environment monitoring well and a PLC (programmable logic controller) control module which are vertically arranged on the ground, wherein a movable detection device is arranged on the side of the environment monitoring well, the detection device comprises a movable plate supported on the ground, an L-shaped plate is fixedly arranged at the top end of the movable plate, a U-shaped frame is fixedly arranged at the bottom end of the L-shaped plate, an I-shaped take-up roller is arranged between the U-shaped frames, and a driving motor is fixedly arranged on the back of the U-shaped frame. Has the beneficial effects that: drive immersible pump and signal monitoring unit and go up and down together to the hydrology information of the different groundwater depths of monitoring, the user adjusts the rolling and makes the immersible pump remove to the sampling point position in the lift within range, starts the power of immersible pump, carries out quality of water sample collection work through the immersible pump, collects the groundwater sample that the immersible pump gathered, thereby carries out the detection of quality of water, indexes such as heavy metal content and COD index in the assay survey aquatic.

Description

Underground water dynamic monitoring and automatic sampling device

Technical Field

The invention relates to the technical field of environmental protection and hydrological monitoring, in particular to a device for dynamically monitoring underground water and automatically sampling the underground water.

Background

Groundwater is a valuable source of fresh water for humans, not only provides a considerable source of drinking water for humans, but also supports agricultural planting and industrial production activities. However, with the continuous development of the social industrialization process, the unreasonable discharge of industrial three wastes, especially urban domestic sewage and landfill leachate, and chemical fertilizers and pesticides used in agricultural production cause increasingly prominent underground water pollution problems, and seriously affect the quality of underground water sources and the quality of underground water environment. The eastern major plain with abundant water resources in China is reported to have 47.9% of groundwater resources which can be directly drunk or can be drunk after being properly treated, and 52.1% of groundwater resources which can not be directly drunk. With the continuous expansion of the pollution range of underground water and the continuous deepening of the pollution degree, water resources which human beings live are increasingly deficient, and the water resources threaten and challenge the living health, food safety, drinking water safety, regional ecological environment and social sustainable development. The underground water monitoring and repairing technology becomes an environmental problem which is currently concerned by the public and society, and the development of underground water environment monitoring and investigation is particularly important. The existing underground water monitoring technology and equipment mainly have the problems of low integrity and accuracy of monitoring information, insufficient automation degree of underground water sample collection and the like.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The invention aims to provide a device for dynamically monitoring and automatically sampling underground water, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the device comprises an environment monitoring well and a PLC control module which are vertically arranged on the ground, wherein a movable detection device is arranged on the side of the environment monitoring well, the detection device comprises a movable plate supported on the ground, an L-shaped plate is fixedly arranged at the top end of the movable plate, a U-shaped frame is fixedly arranged at the bottom end of the L-shaped plate, a wire collecting roller in an I shape is arranged between the U-shaped frames, a driving motor is fixedly arranged on the back surface of the U-shaped frame and connected with the wire collecting roller, a meshing gear is fixedly arranged on the outer surface of one end of the wire collecting roller, an auxiliary wire collecting roller in an I shape is arranged on one side of the wire collecting roller in the U-shaped frame, an auxiliary meshing gear meshed with the meshing gear is fixedly arranged on one end surface of the auxiliary wire collecting roller, and a wire collecting rope is wound on each of the auxiliary wire collecting roller and the wire collecting roller, the bottom end of the winding rope on the auxiliary winding roller is connected with a signal monitoring unit, the bottom end of the winding rope on the winding roller is connected with a sampling unit, the sampling unit comprises a submersible pump, the submersible pump is provided with a cable and a sampling pipeline through the top, a collecting vessel is placed at the top end of the movable plate, the movable plate is connected with the environment monitoring well through a fixed assembly, the bottom end of the submersible pump is provided with a water suction pipe, a fine filtering assembly is arranged on the water suction pipe, the PLC control module comprises an A/D converter and a PLC unit which are arranged in the shell, the signal output end of the signal monitoring unit is electrically connected with the signal input end of the A/D converter, the signal output end of the A/D converter is electrically connected with the signal input end of the PLC unit, and the signal input end of the submersible pump is electrically connected with the signal output end of the PLC unit, the signal input end of the driving motor is electrically connected with the signal output end of the PLC unit, and a signal transceiver is arranged in the PLC unit.

Furthermore, the embedded bearing I that is equipped with of U type frame inner wall, driving motor's output pass bearing I with receive line roller lateral wall fixed connection, the fixed bearing II that is equipped with on the U type frame outer wall, the fixed interior circle inner wall of wearing into of other end axis of receiving the line roller two bearings.

Furthermore, rotating rods penetrating out of the U-shaped frame are fixedly arranged on center shafts at two ends of the auxiliary wire take-up roller, transverse through grooves for the rotating rods to penetrate out are formed in outer walls of the two ends of the U-shaped frame, a third bearing is sleeved at the penetrating end of each rotating rod, positioning blocks are fixedly arranged on the third bearings and are T-shaped blocks, positioning grooves located above the transverse through grooves are formed in outer walls of the two ends of the U-shaped frame, and the positioning blocks are fixed in the positioning grooves through screws.

Further, its characterized in that, fixed subassembly is including fixing the fixed plate of environment monitoring well outer wall both sides, the movable plate is located one side of environment monitoring well has been seted up and has been set up the groove, the equal swing joint in inner wall both sides that set up the groove has the connecting plate, the connecting plate passes through the fix with screw on the fixed plate.

Furthermore, the embedded iron sheet that is equipped with on the one end medial surface of connecting plate, the inner wall mosaic that sets up the groove with the magnetic sheet of iron sheet actuation mutually.

Further, meticulous filtering component includes that the screw thread pierces into the inside external screw thread section of thick bamboo of water absorption pipe, an external screw thread section of thick bamboo is fixed the inside filtration frame of an external screw thread section of thick bamboo, the inside filtration fine net that is equipped with of filtration frame, external screw thread section of thick bamboo inner wall is fixed to be equipped with and is located the circular filtration frame of filtration frame below, the fixed a plurality of baffle that is equipped with between the circular filtration frame, fixed being equipped with between the baffle is the forked filter screen, filtration frame with circular filtration frame middle part is fixed and is equipped with circular post, the pole is worn to be equipped with in the activity on the circular post, it is fixed and is equipped with a plurality of linking bridge to wear the pole bottom, linking bridge surface evenly distributed is equipped with crushing tooth, it is equipped with the bearing to wear pole top cover, the fixed fine pole that is equipped with on the bearing outer wall, the fine pole other end is fixed on the external screw thread section of thick bamboo inner wall.

Further, its characterized in that, the fixed riser that is equipped with on the U type frame outer wall, be equipped with the ring through two dead levers difference fixings on the riser, on the receipts line roller the rolling rope passes the ring.

Further, its characterized in that, the fixed vice riser that is equipped with on the U type frame outer wall, be equipped with vice ring through two vice dead levers difference fixings on the vice riser, on the vice receipts line roller receipts winding rope passes vice ring, the fixed plate that is located between two dead levers that is equipped with on the riser.

Further, its characterized in that, the fixed plate openly rotates through five bearings and is connected with the range finding gyro wheel, the fixed count gear that is equipped with on the range finding gyro wheel, be equipped with photoelectric counter on the count gear, evenly be equipped with a plurality of through-holes on a week of count gear.

Further, rolling rope bottom divide into three strands and connects the rope, the fixed roof that is equipped with in immersible pump top, the roof top fixed be equipped with three with connect rope assorted go-between, the compatible bluetooth of signal transceiver, infrared and short wave communication, the PLC unit includes CPU, memory and expansion interface, the memory with CPU two-way electricity is connected, expansion interface with CPU two-way electricity is connected, signal transceiver with CPU two-way electricity is connected, the signal monitoring unit includes image acquisition module, lighting module, temperature acquisition module, hydrology detection module, pressure sensor.

Compared with the prior art, the invention has the following beneficial effects:

the signal monitoring unit is correspondingly subjected to waterproof treatment, electrical components appearing in the embodiment are electrically connected with an external main controller and 220V mains supply, the main controller can be a conventional known device controlled by a computer and the like, measurement and positioning are firstly carried out when the device is used, then vertical well drilling is carried out at the ground end of an underground water monitoring and sampling point, and the depth of the environment monitoring 1 is determined according to the underground water level condition;

after the device is built, the whole device is fast moved to the side of the environment monitoring well through the movable plate, then the whole mobile device is fixed through the fixing assembly, the fixed device is guaranteed not to move, the stability of detection is guaranteed, the wire winding roller is driven to rotate through the designed driving motor, the winding rope and the submersible pump on the winding roller are driven to lift, the height position of the submersible pump is adjusted, the auxiliary wire winding roller is meshed with the auxiliary meshing gear, the auxiliary wire winding roller can be indirectly connected with the wire winding roller, the auxiliary wire winding roller and the wire winding roller can rotate synchronously, the submersible pump and the signal monitoring unit can be driven to lift together, accordingly, hydrological information of different underground water depths is monitored, a user adjusts the winding to enable the submersible pump to move to a sampling point within a lifting range, a power supply of the submersible pump is started, water quality sample collection work is carried out through the submersible pump, the underground water sample collected by the submersible pump can be stored by the collection vessel, water quality detection is carried out, and indexes such as heavy metal content and COD index in water are analyzed and determined.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a front view of a device for dynamic monitoring and automatic sampling of groundwater according to an embodiment of the invention;

FIG. 2 is a schematic view illustrating installation of a take-up roller of a device for dynamically monitoring and automatically sampling underground water according to an embodiment of the present invention;

FIG. 3 is a schematic view of a fixture assembly of a dynamic groundwater monitoring and automatic sampling device according to an embodiment of the invention;

FIG. 4 is a schematic diagram of a fine filtering assembly of a device for dynamic monitoring and automatic sampling of groundwater according to an embodiment of the invention;

FIG. 5 is a schematic view of an attachment ring of a dynamic groundwater monitoring and automatic sampling device according to an embodiment of the present invention;

FIG. 6 is a fixed plate profile of an apparatus for dynamic groundwater monitoring and automatic sampling according to an embodiment of the present invention;

fig. 7 is an electrical schematic diagram of a device for dynamically monitoring and automatically sampling groundwater in accordance with an embodiment of the invention.

Reference numerals:

1. an environment monitoring well; 2. moving the plate; 3. an L-shaped plate; 4. a U-shaped frame; 5. a wire take-up roller; 6. a drive motor; 7. a meshing gear; 8. a secondary take-up roll; 9. winding the rope; 10. a submersible pump; 11. a cable; 12. a sampling pipe; 13. collecting a dish; 14. a suction pipe; 15. a PLC control module; 16. an A/D converter; 17. a PLC unit; 18. a signal transceiver; 19. a second bearing; 20. a rotating rod; 21. a transverse through groove; 22. a third bearing; 23. positioning a block; 24. positioning a groove; 25. a fixing plate; 26. arranging a groove; 27. a connecting plate; 28. iron sheets; 29. a magnetic sheet; 30. an externally threaded barrel; 31. a filter frame; 32. a circular filter frame; 33. a partition plate; 34. a filter screen; 35. a circular column; 36. penetrating a rod; 37. connecting a bracket; 38. crushing teeth; 39. a bearing IV; 40. a thin rod; 41. a vertical plate; 42. an auxiliary vertical plate; 43. a circular ring; 44. a fixing plate; 45. a distance measuring roller; 46. a counting gear; 47. a photoelectric counter; 48. and (7) connecting rings.

Detailed Description

The invention is further described with reference to the following drawings and detailed description:

in order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1-7, an underground water dynamic monitoring and automatic sampling device according to an embodiment of the present invention includes an environment monitoring well 1 and a PLC control module 15 vertically disposed on the ground, a movable detection device is disposed at a side of the environment monitoring well 1, the detection device includes a movable plate 2 supported on the ground, an L-shaped plate 3 is fixedly disposed at a top end of the movable plate 2, a U-shaped frame 4 is fixedly disposed at a bottom end of the L-shaped plate 3, an i-shaped wire take-up roller 5 is disposed between the U-shaped frames 4, a driving motor 6 is fixedly disposed at a back side of the U-shaped frame 4, the driving motor 6 is connected to the wire take-up roller 5, a meshing gear 7 is fixedly disposed on an outer surface of one end of the wire take-up roller 5, an i-shaped auxiliary wire take-up roller 8 is disposed at one side of the wire take-up roller 5 inside the U-shaped frame 4, an auxiliary meshing gear meshed with the meshing gear 7 is fixedly disposed at one end surface of the auxiliary wire take-up roller 8, the winding rope 9 is wound on each of the auxiliary winding roller 8 and the winding roller 5, a signal monitoring unit is connected to the bottom end of the winding rope 9 on the auxiliary winding roller 8, a sampling unit is connected to the bottom end of the winding rope 9 on the winding roller 5, the sampling unit comprises a submersible pump 10, the submersible pump 10 is provided with a cable 11 and a sampling pipeline 12 through the cable, a collecting vessel 13 is placed at the top end of the movable plate 2, the movable plate 2 is connected with the environment monitoring well 1 through a fixing component, a water suction pipe 14 is arranged at the bottom end of the submersible pump 10, a fine filtering component is arranged on the water suction pipe 14, the PLC control module 15 comprises an A/D converter 16 and a PLC unit 17 which are arranged inside the shell, and the signal output end of the signal monitoring unit is electrically connected with the signal input end of the A/D converter 16, the signal output end of the A/D converter 16 is electrically connected with the signal input end of the PLC unit 17, the signal input end of the submersible pump 10 is electrically connected with the signal output end of the PLC unit 17, the signal input end of the driving motor 6 is electrically connected with the signal output end of the PLC unit 17, and a signal transceiver 18 is arranged in the PLC unit 17.

Example two:

referring to fig. 1, a first bearing is embedded in the inner wall of the U-shaped frame 4, the output end of the driving motor 6 penetrates through the first bearing and is fixedly connected with the outer side wall of the wire take-up roller 5, a second bearing 19 is fixedly arranged on the outer wall of the U-shaped frame 4, the other end of the wire take-up roller 5 fixedly penetrates through the inner ring inner wall of the second bearing 19, rotating rods 20 penetrating out of the U-shaped frame 4 are fixedly arranged on the middle shafts at two ends of the auxiliary wire take-up roller 8, transverse through grooves 21 allowing the rotating rods 20 to penetrate out are formed in the outer walls at two ends of the U-shaped frame 4, a third bearing 22 is sleeved at the penetrating end of each rotating rod 20, a positioning block 23 is fixedly arranged on each third bearing 22, each positioning block 23 is a T-shaped block, positioning grooves 24 located above the corresponding transverse through groove 21 are formed in the outer walls at two ends of the U-shaped frame 4, and each positioning block 23 is fixed in the corresponding positioning groove 24 through a screw rod.

Through the scheme of the invention, the beneficial effects are as follows: the part pivoted stability that corresponds is guaranteed in the design of bearing, the vice receipts line roller 8 of this application can remove, bull stick 20 through the design, bearing three and horizontal logical groove 21, it has the mobility not only to guarantee to move vice receipts line roller 8, make its vice receipts line roller 8 be close to and the meshing receives the line roller, consequently, two rollers can carry out synchronous motion, remove the completion back, fix locating piece 23 in constant head tank 24 through the screw rod, and need not influence vice receipts line roller 8's rotation, when need not use signal monitoring unit to examine time measuring, the vice receipts line roller 8 of detachable, it needs launching to avoid signal monitoring unit to carry out unnecessary work detection, cause signal monitoring unit's life greatly reduced.

Example three:

referring to fig. 1 and 3, the fixing component includes fixing plates 25 fixed on two sides of an outer wall of the environment monitoring well 1, the moving plate 2 is located on one side of the environment monitoring well 1, a setting groove 26 is formed in one side of the environment monitoring well 1, connecting plates 27 are movably connected to two sides of an inner wall of the setting groove 26, the connecting plates 27 are fixed on the fixing plates 25 through screws, iron sheets 28 are embedded on inner side surfaces of one ends of the connecting plates 27, and magnetic sheets 29 attracting the iron sheets 28 are embedded in inner walls of the setting groove 26.

Through the scheme of the invention, the beneficial effects are as follows: when using, all design universal pulley in the four corners of movable plate bottom, guarantee that equipment removes laborsavingly, before removing the completion, advance connecting plate 27, make its connecting plate 27 correspond fixed plate 25 and both reciprocal anchorages, and the floating type is fixed inside setting up groove 26 with accomodating of its connecting plate 27 actuation formula.

Example four:

referring to fig. 4, the fine filtering assembly includes an external thread cylinder 30 threaded into the water suction pipe 14, the external thread cylinder 30 is fixed to a filtering frame 31 inside the external thread cylinder 30, a filtering fine net is arranged inside the filtering frame 31, a circular filtering frame 32 located below the filtering frame 31 is fixedly arranged on the inner wall of the external thread cylinder 30, a plurality of partition plates 33 are fixedly arranged between the circular filtering frames 32, a cross-shaped filtering net 34 is fixedly arranged between the partition plates 33, a circular column 35 is fixedly arranged in the middle of the filtering frame 31 and the circular filtering frame 32, a penetrating rod 36 is movably arranged on the circular column 35 in a penetrating manner, a plurality of connecting brackets 37 are fixedly arranged at the bottom of the penetrating rod 36, crushing teeth 38 are uniformly distributed on the outer surface of the connecting brackets 37, a bearing four 39 is sleeved on the top of the penetrating rod 36, a fine rod 40 is fixedly arranged on the outer wall of the bearing four 39, and the other end of the fine rod 40 is fixed on the inner wall of the external thread cylinder 30.

Through the scheme of the invention, the beneficial effects are as follows: be that fork form filter screen 34 and carry out first two formulas and filter, finally carry out meticulous filtration through filtering fine mesh, avoid impurity suction pump internal, cause the inside jam of the pump body, rivers can drive the support and smash the rotation of tooth 38 in the inspiratory, consequently guarantee that the impurity of aquatic can carry out preliminary effective smashing, avoid too bulky impurity to block up the filter screen, cause the not smooth of follow-up sample.

Example five:

referring to fig. 1 and 6, a vertical plate 41 is fixedly arranged on the outer wall of the U-shaped frame 4, circular rings are respectively fixedly arranged on the vertical plate 41 through two fixing rods, the winding rope 9 on the winding roller 5 passes through the circular ring 43, an auxiliary vertical plate 42 is fixedly arranged on the outer wall of the U-shaped frame 4, auxiliary circular rings are respectively fixedly arranged on the auxiliary vertical plate 42 through two auxiliary fixing rods, the winding rope 9 on the auxiliary winding roller 8 passes through the auxiliary circular rings, a fixing plate 44 positioned between the two fixing rods is fixedly arranged on the vertical plate 41, the front surface of the fixing plate 44 is rotatably connected with a distance measuring roller 45 through five bearings, a counting gear 46 is fixedly arranged on the distance measuring roller 45, a photoelectric counter 47 is arranged on the counting gear 46, and a plurality of through holes are uniformly arranged on one circle of the counting gear 46.

Through the scheme of the invention, the beneficial effects are as follows: the design of ring 43 and pair ring guarantees that the rope passes, and therefore the rope has certain stability when going up and down, can drive when the rope goes up and down, the gyro wheel of finding a distance and the also rotation of count gear, the through-hole on the count gear rotates in proper order, photoelectric counter passes through the through-hole transmission and receives the infrared ray to output pulse signal gives the controller, counts, calculates the length of the distance or the rope that the gyro wheel of finding a distance measured, consequently the degree of depth in can effectual control detection aquatic.

Example six:

referring to fig. 5 and 7, the bottom of the winding rope 9 is divided into three connecting ropes, the top end of the submersible pump 10 is fixedly provided with a top plate, the top end of the top plate is fixedly provided with three connecting rings 48 matched with the connecting ropes, the signal transceiver is compatible with bluetooth, infrared and short wave communication, the PLC unit 17 includes a CPU, a memory and an expansion interface, the memory is in bidirectional electrical connection with the CPU, the expansion interface is in bidirectional electrical connection with the CPU, the signal transceiver 18 is in bidirectional electrical connection with the CPU, and the signal monitoring unit includes an image acquisition module, an illumination module, a temperature acquisition module, a hydrological detection module and a pressure sensor.

Through the scheme of the invention, the beneficial effects are as follows: when in detection, the water temperature, the turbidity, the pH value and the like can be detected, and meanwhile, the water temperature, the turbidity, the pH value and the like are sent to a memory in a PLC unit after information is collected, and then the water temperature, the turbidity, the pH value and the like are transmitted to a remote control end through a signal transceiver, the PLC unit is a programmable unit and can set the working time and the moving distance of a servo motor, so that the continuous dynamic monitoring work is realized, the labor is saved, after the environment monitoring well 1 is washed, signals are monitored by a signal monitoring unit and are sent to the remote control end, the remote control end displays the information and is mainly a display screen, a user observes the fed-back water quality information, the user adjusts underground water quality index parameters after the underground water quality index parameters are stabilized, the underground water sample collected by a submersible pump is detected, COD is analyzed and determined to indexes such as heavy metal content and index in water, the integrity of the underground water and the information transmission real-time can be dynamically monitored and timely fed back by the signal monitoring unit, the accuracy of the underground water information collection is effectively realized, the set signal transceiver can timely transmit the remote transmission of the underground water environment monitoring and the sample collection, the artificial cost can be saved.

In practical application, the signal monitoring unit has carried out corresponding water repellent, and the electrical components that appear in this embodiment all is connected with external master controller and 220V commercial power to the master controller can be for the computer etc. plays the conventional known equipment of control, at first measures the location when using, then carries out the vertical well drilling at the ground end of groundwater monitoring and sampling point position, confirms 1 degree of depth of environment monitoring well according to the groundwater level condition.

After the device is built, the whole device is fast moved to the side 1 of the environment monitoring well through the movable plate 2, then the whole mobile device is fixed through the fixing component, so that the fixed device is guaranteed not to move, and the stability of detection is guaranteed, the driving motor 6 is designed to drive the wire take-up roller 5 to rotate, so that the wire take-up rope 9 and the submersible pump 10 on the device are driven to lift, so that the height position of the submersible pump 10 is adjusted, because the auxiliary wire take-up roller 8 is meshed with the meshing gear 7 through the meshing gear 7, the auxiliary wire take-up roller 8 can be indirectly connected with the wire take-up roller 5, the two wires can be synchronously rotated, so that the submersible pump 10 and a signal monitoring unit can be driven to lift together, the hydrological information of different groundwater depths is monitored, a user adjusts the submersible pump 10 to enable the submersible pump 10 to move to a sampling point in a lifting range, the power supply of the submersible pump 10 is started, water quality sample collection work is carried out through the submersible pump 10, the collection dish 13 can store samples collected by the submersible pump 10, thereby detecting the water quality, and analyzing and determining indexes such as heavy metal content, COD index and the like in the water.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an groundwater dynamic monitoring and automatic sampling device, its characterized in that, include and be provided with environment monitoring well (1) and PLC control module (15) subaerial perpendicularly, the avris of environment monitoring well (1) is provided with portable detection device, detection device is including supporting at subaerial movable plate (2), movable plate (2) top is fixed and is equipped with L template (3), L template (3) bottom mounting is equipped with U type frame (4), be equipped with between U type frame (4) and receive line roller (5) for the I shape, the back of U type frame (4) is fixed and is equipped with driving motor (6), driving motor (6) are connected receive line roller (5), the one end fixed surface of receiving line roller (5) is equipped with meshing gear (7), U type frame (4) inside be located one side of receiving line roller (5) is equipped with the vice roller (8) of I shape, a terminal surface of vice receiving line roller (8) is fixed be equipped with meshing gear (7) the vice meshing gear that meshes, vice receiving line roller (8) with receive line roller (5) and go up be equipped with winding rope (9) on monitoring line roller (9) connection unit (9) receive line rope connection unit (9), the sampling unit includes immersible pump (10), immersible pump (10) have cable (11) and sampling pipeline (12) through last, collection dish (13) have been placed on the top of movable plate (2), movable plate (2) through fixed subassembly with environment monitoring well (1) is connected, immersible pump (10) bottom is equipped with and absorbs water pipe (14), it has meticulous filtering component to set on pipe (14) to absorb water, PLC control module (15) are including setting up AD converter (16) and PLC unit (17) inside the casing, the signal output part of signal monitoring unit with the signal input part electricity of AD converter (16) is connected, the signal output part of AD converter (16) with the signal input part electricity of PLC unit (17) is connected, the signal input part of immersible pump (10) with the signal output part electricity of PLC unit (17) is connected, the signal input part of driving motor (6) with the signal output part electricity of PLC unit (17) is connected, be equipped with signal transceiver (18) in PLC unit (17).

2. The underground water dynamic monitoring and automatic sampling device according to claim 1, wherein a first bearing is embedded in the inner wall of the U-shaped frame (4), the output end of the driving motor (6) penetrates through the first bearing and is fixedly connected with the outer side wall of the wire collecting roller (5), a second bearing (19) is fixedly arranged on the outer wall of the U-shaped frame (4), and the other end of the wire collecting roller (5) is axially fixed to penetrate through the inner ring inner wall of the second bearing (19).

3. The underground water dynamic monitoring and automatic sampling device according to claim 2, wherein a rotating rod (20) penetrating through the U-shaped frame (4) is fixedly arranged at a central shaft at both ends of the auxiliary take-up roller (8), a transverse through groove (21) for the rotating rod (20) to penetrate through is formed in the outer wall at both ends of the U-shaped frame (4), a bearing third (22) is sleeved at the penetrating end of the rotating rod (20), a positioning block (23) is fixedly arranged on the bearing third (22), the positioning block (23) is a T-shaped block, positioning grooves (24) positioned above the transverse through groove (21) are formed in the outer wall at both ends of the U-shaped frame (4), and the positioning block (23) is fixed in the positioning grooves (24) through a screw rod.

4. The underground water dynamic monitoring and automatic sampling device of claim 3, characterized in that, the fixed subassembly includes a fixed plate (25) fixed on both sides of the outer wall of the environment monitoring well (1), a setting groove (26) is opened on one side of the movable plate (2) located in the environment monitoring well (1), both sides of the inner wall of the setting groove (26) are movably connected with a connecting plate (27), and the connecting plate (27) is fixed on the fixed plate (25) through screws.

5. An underground water dynamic monitoring and automatic sampling device according to claim 4, characterized in that the inner side of one end of the connecting plate (27) is provided with an iron sheet (28) in an embedded manner, and the inner wall of the setting groove (26) is provided with a magnetic sheet (29) in an embedded manner and attracted with the iron sheet (28).

6. The underground water dynamic monitoring and automatic sampling device according to claim 5, wherein the fine filtering component comprises an external thread cylinder (30) threaded into the inside of the suction pipe (14), the external thread cylinder (30) is fixed on a filtering frame (31) inside the external thread cylinder (30), a filtering fine net is arranged inside the filtering frame (31), a circular filtering frame (32) located below the filtering frame (31) is fixedly arranged on the inner wall of the external thread cylinder (30), a plurality of partition plates (33) are fixedly arranged between the circular filtering frames (32), a cross-shaped filtering net (34) is fixedly arranged between the partition plates (33), a circular column (35) is fixedly arranged in the middle of the filtering frame (31) and the circular filtering frame (32), a penetrating rod (36) is movably arranged on the circular column (35), a plurality of connecting supports (37) are fixedly arranged at the bottom of the penetrating rod (36), crushing teeth (38) are uniformly distributed on the outer surface of each connecting support (37), four bearing rods (39) are sleeved on the top of each penetrating rod (36), a fine rod (40) is fixedly arranged on the outer wall of the other end of each bearing, and a fine rod (40) is fixed on the inner wall of the external thread cylinder (30).

7. An underground water dynamic monitoring and automatic sampling device according to claim 6, characterized in that the outer wall of the U-shaped frame (4) is fixedly provided with a vertical plate (41), the vertical plate (41) is respectively fixedly provided with a circular ring by two fixing rods, and the coiling rope (9) on the coiling roller (5) passes through the circular ring (43).

8. A groundwater dynamic monitoring and automatic sampling device according to claim 7, characterized in that an auxiliary vertical plate (42) is fixedly arranged on the outer wall of the U-shaped frame (4), an auxiliary circular ring is respectively fixedly arranged on the auxiliary vertical plate (42) through two auxiliary fixing rods, the winding rope (9) on the auxiliary winding roller (8) passes through the auxiliary circular ring, and a fixing plate (44) between the two fixing rods is fixedly arranged on the vertical plate (41).

9. The device for dynamically monitoring and automatically sampling underground water according to claim 8, wherein the front surface of the fixing plate (44) is rotatably connected with a distance measuring roller (45) through a bearing, a counting gear (46) is fixedly arranged on the distance measuring roller (45), a photoelectric counter (47) is arranged on the counting gear (46), and a plurality of through holes are uniformly formed in one circle of the counting gear (46).

10. The device for dynamically monitoring and automatically sampling underground water according to claim 9, wherein the bottom of the winding rope (9) is divided into three connecting ropes, a top plate is fixedly arranged at the top end of the submersible pump (10), three connecting rings (48) matched with the connecting ropes are fixedly arranged at the top end of the top plate, the signal transceiver is compatible with Bluetooth, infrared and short wave communication, the PLC unit (17) comprises a CPU, a memory and an expansion interface, the memory is in bidirectional electrical connection with the CPU, the expansion interface is in bidirectional electrical connection with the CPU, the signal transceiver (18) is in bidirectional electrical connection with the CPU, and the signal monitoring unit comprises an image acquisition module, an illumination module, a temperature acquisition module, a hydrological detection module and a pressure sensor.