CN117146928B - Hydrogeological exploration ground water level observation device - Google Patents
Hydrogeological exploration ground water level observation device Download PDFInfo
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- CN117146928B CN117146928B CN202311383986.0A CN202311383986A CN117146928B CN 117146928 B CN117146928 B CN 117146928B CN 202311383986 A CN202311383986 A CN 202311383986A CN 117146928 B CN117146928 B CN 117146928B
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- 239000003673 groundwater Substances 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 193
- 238000012545 processing Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims description 73
- 238000007789 sealing Methods 0.000 claims description 26
- 230000009189 diving Effects 0.000 claims description 16
- 239000000523 sample Substances 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 9
- 238000009413 insulation Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
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- 241000883990 Flabellum Species 0.000 description 1
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- 238000013459 approach Methods 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 230000011218 segmentation Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
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- G—PHYSICS
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention belongs to the technical field of hydrogeological exploration, and particularly relates to a hydrogeological exploration groundwater level observation device. The underground water level observation device has the capability of accurately observing underground water levels at different depths of a single well, has the functions of resisting water flow interference and measuring the conductivity of the underground water, can improve the convenience of observing the underground water level, can also improve the accuracy of observing data of the underground water level observation device, can monitor the water quality change of the underground water, can facilitate the management of underground water resources, and has the functions of preventing high temperature and high humidity of a water level data processing host, so that the operation safety of electronic devices in the water level data processing host can be improved, and the safety, reliability and service life of the underground water level observation device are improved.
Description
Technical Field
The invention belongs to the technical field of hydrogeological exploration, and particularly relates to a groundwater level observation device for hydrogeological exploration.
Background
The hydrogeological exploration aims at grasping the causes, the distribution and the movement rules of groundwater and surface water, and comprises two aspects of underground and overground hydroexploration, wherein groundwater level observation is an important component of the hydrogeological exploration, and mainly is used for researching and researching water level change conditions of groundwater stagnation at an upper layer, a diving layer and a bearing water layer in different periods of the whole year, and can give a fact basis to groundwater resource management, so that the management of groundwater resources is facilitated.
In the underground water level observation process, a cluster type observation well and a nest type observation well are often adopted to install a water level meter for water level observation, a plurality of single wells with different depths are needed to be excavated for the cluster type observation well, so that upper-layer water stagnation, a diving layer and a bearing water layer with different depths are observed independently, the construction process of the underground water level observation is complicated and inconvenient, the nest type observation well is used for installing water level observation equipment with different lengths in the same single well and used for observing the water levels of the upper-layer water stagnation, the diving layer and the bearing water layer, but the upper-layer water stagnation, the diving layer and the bearing water layer in the nest type observation well are communicated with each other, the condition that the water levels are mutually interfered exists, and meanwhile, a measuring probe of the water level meter is easily swung under the interference of water flow in the upper-layer water stagnation, the diving layer and the bearing water layer, so that the reliability of the underground water level observation device and the accuracy of observation data are affected;
in addition, the water level data processing host in the existing underground water level observation device is arranged in the pile casing at the top of the observation well for safety consideration, however, the water level data processing host in the installation mode has certain potential safety hazards when the high temperature in summer or the underground water level rises, and because the water level of the underground water is heated to be increased after the high temperature in summer and the underground water level rises, the evaporation amount of the underground water is increased, electronic devices in the water level data processing host in the underground water level observation device are easily damaged due to the influence of high temperature or high humidity, and the safety and the reliability and the service life of the underground water level observation device are further influenced.
For this purpose, a hydrogeological groundwater level observation device is proposed to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provide a hydrogeological exploration groundwater level observation device.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a hydrogeology exploration groundwater level observation device, includes trapezoidal observation well, observation well protection tube and water level data processing host computer, there is the cover on the top of observation well protection tube through bolted connection, the observation well protection tube passes through the bolt and is fixedly connected with at the top of trapezoidal observation well, the inner wall fixedly connected with solid fixed ring of observation well protection tube, the inner wall swing joint of solid fixed ring has the inserted bar, two the top of inserted bar is fixedly connected with the connecting plate jointly, the upper surface fixedly connected with T shape link, the upper surface of T shape link is fixedly connected with the lower surface of water level data processing host computer, the lower surface fixedly connected with first connecting tube of connecting plate, first annular cavity has been seted up to the inside of first connecting tube, the bottom fixedly connected with second connecting tube of first connecting tube, the inside of second connecting tube has seted up the second annular cavity, the chamber wall fixedly connected with connecting pipe jointly of first annular cavity, the upper surface fixedly connected with connecting plate has the inflation component jointly, the outer wall fixedly connected with second shutoff mechanism of first connecting tube, the second shutoff mechanism fixedly cup joints;
the first blocking mechanism and the second blocking mechanism divide the first connecting cylinder and the second connecting cylinder into an upper layer water stagnation observing area, a diving observing area and a bearing water observing area, water level observing mechanisms are arranged at the water stagnation observing area, the diving observing area and the bearing water observing area, the water level observing mechanisms are fixedly connected with the inner walls of the adjacent first connecting cylinder and second connecting cylinder respectively, through holes are formed in the outer walls of the first connecting cylinder and the second connecting cylinder, a water inlet pipe is fixedly connected with the wall of the through holes, a filter cover is fixedly sleeved at the outer end of the water inlet pipe, and a protection mechanism is connected with the inner wall of the top end of the observation well casing.
In the hydrogeological exploration groundwater level observation device, the inflation assembly comprises a waterproof air pump fixedly connected with the upper surface of the connecting plate, a guide pipe is fixedly communicated with the air extraction end of the waterproof air pump, the bottom end of the guide pipe penetrates through the lower surface of the connecting plate and is fixedly communicated with the inner wall of the first annular cavity of the first connecting cylinder, an air inlet one-way valve is fixedly communicated with the output end of the waterproof air pump, and an electronic pressure relief valve is fixedly communicated with the pipe wall of the guide pipe.
In the hydrogeological exploration groundwater level observation device, the first plugging mechanism comprises two telescopic rubber sleeves fixedly sleeved on the outer wall of the first connecting cylinder, a plurality of vertical reinforcing rods are fixedly connected to the outer wall of each telescopic rubber sleeve, rubber sealing rings are fixedly sleeved on the rod walls of the vertical reinforcing rods together, the side walls of the rubber sealing rings are fixedly connected with the outer wall of each telescopic rubber sleeve, and a plurality of ventilation holes are formed in the cavity walls of the first annular cavity.
In the hydrogeological exploration groundwater level observation device, the second blocking mechanism is identical to the first blocking mechanism in structure.
In the hydrogeological exploration groundwater level observation device, the water level observation mechanism comprises an insulation connecting cover, a through hole is formed in the upper surface of the insulation connecting cover, a conducting ring is fixedly connected to the hole wall of the through hole, a conducting resistor tube is movably connected to the inner wall of the conducting ring, an insulation sleeve is fixedly connected to the inner wall of the conducting resistor tube, a conducting rod is connected to the inner wall of the insulation sleeve, an insulation block is fixedly connected to the bottom end of the conducting resistor tube, a sealing piston sleeve is fixedly connected to the outer wall of the insulation block, the outer wall of the sealing piston sleeve is movably connected with the inner wall of the connecting cover in a sealing mode, an insulation spring tube is movably sleeved on the pipe wall of the conducting resistor tube, a conducting wire is connected to the inner wall of the insulation spring tube, the top end of the conducting wire penetrates through the upper surface of the insulation connecting cover and extends outwards, a metal probe is fixedly connected to the bottom end of the conducting wire, the bottom end of the metal probe penetrates the lower surface of the sealing piston sleeve and extends downwards, and a conductivity meter is fixedly connected to the outer wall of the insulation connecting cover.
In the hydrogeological exploration groundwater level observation device, the protection mechanism comprises a U-shaped frame fixedly connected with the inner wall of an observation well casing, a motor is fixedly connected with the inner wall of the U-shaped frame, a fan blade is fixedly connected with the output end of the motor, two mounting holes are formed in the outer wall of the observation well casing, a thermoelectric refrigerator is fixedly connected with the hole wall of each mounting hole, one U-shaped screen plate is fixedly connected with the outer wall of the refrigeration side of the thermoelectric refrigerator, a through hole is formed in the upper surface of the cylinder cover, a heat conducting cover is fixedly connected with the hole wall of the through hole, a heat insulating plate is fixedly connected with the inner wall of the heat conducting cover, and a thermistor is fixedly connected with the upper surface of the heat insulating plate.
In the hydrogeological exploration groundwater level observation device, the connecting through hole and the plurality of backwater holes are formed in the upper surface of the connecting plate, the rubber plugging block is fixedly connected with the hole wall of the connecting through hole, and the lower surface of the rubber plugging block is located right above the first connecting cylinder.
In the hydrogeological exploration groundwater level observation device, the upper surface of the T-shaped connecting frame is fixedly connected with the control switch, and the outer wall of the observation well casing is fixedly embedded with the exhaust valve.
Compared with the prior art, the hydrogeological exploration groundwater level observation device has the advantages that:
through the first shutoff mechanism, second shutoff mechanism and the inflation subassembly that sets up, when the hydrogeology exploration need to be to upper strata stagnant water, dive layer and pressure-bearing water layer observe the time of groundwater level, at first offer trapezoidal observation well in hydrogeology exploration position, and install the observation well and protect a section of thick bamboo, afterwards hoist the trapezoidal observation well with first connecting cylinder and the second connecting cylinder of corresponding length, afterwards start the inflation subassembly through controlling the switch, the inflation subassembly is carried air into first annular cavity and second annular cavity, and get into respectively in the flexible rubber sleeve of first shutoff mechanism and second shutoff mechanism through the bleeder vent, the shutoff of flexible rubber sleeve back shutoff and segmentation trapezoidal observation well each water level observation position, because first shutoff mechanism and second shutoff mechanism can avoid upper strata stagnant water, dive layer and each mutual interference of water layer, and then can observe each water level change accurately, and also need not set up a plurality of observation wells, labour saving and time saving, the device has the accurate underground water level's of single well ability of depth, the improvement of water level, the device can also be convenient and the underground water level can be convenient and accurate and easy to observe.
Through the water level observation mechanism and the water level data processing host computer that set up, when groundwater level observation device work, at first the inlet tube of a plurality of water level observation mechanism bottom is located upper strata stagnant water, dive layer and confined water layer bottom, the water pressure of corresponding groundwater layer makes partial groundwater pass the inlet tube and gets into water level observation mechanism, water level observation mechanism measurement in-process produces corresponding signal processing, and water level data processing host computer receives the signal processing that can carry out corresponding signal processing, and feed back into accurate water level data, finally water level data processing host computer sends each water level data after handling to control room staff department, and this liquid level observation mode is not influenced by rivers and rocks the interference, this mechanism makes groundwater level observation device have the ability that the water flow is disturbed when observing to the groundwater level, improve groundwater layer water level observation's accuracy.
Through conductivity meter, metal probe and the wire that set up, the water level observation mechanism during operation of groundwater level viewing device, the conducting rod bottom and the metal probe of circular telegram all are in groundwater, the conductivity of each water layer of groundwater can be in time known to the cooperation conductivity meter simultaneously, conductivity meter connection water level data processing host computer can be to the control room staff department of conductivity data transmission of each groundwater layer moreover, the staff knows the solute content of different groundwater layers through conductivity data, can monitor the quality of groundwater moreover, and can provide the reference basis for whether exploitation groundwater, this mechanism makes groundwater level viewing device have groundwater conductivity measurement's ability, and can monitor the quality of groundwater change.
Through the protection machanism who sets up, after the upper strata stagnant water liquid level that is closest to water level data processing host computer in trapezoidal observation well rises, perhaps under the high temperature environment in summer, the moisture evaporation capacity of liquid level increases, moisture accumulation is near water level data processing host computer, simultaneously, make protection machanism work through water level observation mechanism, protection machanism reduces the temperature of U-shaped otter board, make gaseous state moisture meet cold liquefaction into the drop of water with low temperature, and reflux through the return water hole, and the refrigeration effect of thermoelectric cooler also can be in high temperature environment water level data processing host computer cooling, avoid water level data processing host computer to be in high heat and high humidity environment, this mechanism makes water level data processing host computer in the groundwater level observation device have the high temperature of preventing and prevent high humidity function, the safe operation of the inside electronic device of water level data processing host computer has been improved simultaneously, the fail safe nature and the life-span that groundwater level observation device used.
Drawings
FIG. 1 is a schematic structural diagram of a hydrogeological survey groundwater level observation device provided by the invention;
FIG. 2 is a schematic diagram of a cross-sectional top structure of a hydrogeological survey groundwater level observation device provided by the invention;
FIG. 3 is a schematic cross-sectional view of a water level observation mechanism and a first plugging mechanism in a hydrogeological exploration groundwater level observation device provided by the invention;
FIG. 4 is an enlarged schematic view of a water level observation mechanism in a hydrogeological exploration groundwater level observation device provided by the invention;
FIG. 5 is a schematic view of the structure of the portion A in FIG. 2;
fig. 6 is a schematic diagram of the structure of the portion B in fig. 3.
In the figure: 1 trapezoid observation well, 2 observation well casing, 3 water level data processing host, 4 cylinder cover, 5 inflation component, 51 waterproof air pump, 52 conduit, 53 air inlet check valve, 54 electronic relief valve, 6 first plugging mechanism, 61 telescopic rubber sleeve, 62 vertical reinforcing rod, 63 rubber sealing ring, 64 air vent, 7 second plugging mechanism, 8 water level observation mechanism, 81 insulating connecting cover, 82 conducting ring, 83 conducting resistor tube, 84 insulating sleeve, 85 conducting rod, 86 insulating block, 87 sealing piston sleeve, 88 insulating spring tube, 89 wire, 810 metal probe, 811 conductivity meter, 9 protection mechanism, 91U shape frame, 92 motor, 93 flabellum, 94 thermoelectric refrigerator, 95U shape screen plate, 96 heat insulating board, 97 thermistor, 98 heat conducting cover, 10 inserting rod, 11 fixed ring, 12 connecting plate, 13T shape connecting frame, 14 first connecting tube, 15 first annular cavity, 16 second connecting tube, 17 second annular cavity, 18 backwater, 19, 20 hole, 21 rubber sealing cover, 22 backwater valve, 23 operation and control filter cover, 24 exhaust valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-6, a hydrogeological exploration groundwater level observation device comprises a trapezoid observation well 1, an observation well protection cylinder 2 and a water level data processing host 3, wherein the top end of the observation well protection cylinder 2 is connected with a cylinder cover 4 through bolts, the observation well protection cylinder 2 is fixedly connected with the top end of the trapezoid observation well 1 through bolts, the inner wall of the observation well protection cylinder 2 is fixedly connected with a fixed ring 11, the inner wall of the fixed ring 11 is movably connected with an inserting rod 10, the top ends of the two inserting rods 10 are fixedly connected with a connecting plate 12 together, the upper surface of the connecting plate 12 is fixedly connected with a T-shaped connecting frame 13, the upper surface of the T-shaped connecting frame 13 is fixedly connected with a control switch 22, the outer wall of the observation well protection cylinder 2 is fixedly embedded with an exhaust valve 24, the exhaust valve 24 can timely exhaust redundant air in the trapezoid observation well 1, the upper surface of the T-shaped connecting frame 13 is fixedly connected with the lower surface of the water level data processing host 3, the lower surface of the connecting plate 12 is fixedly connected with a first connecting cylinder 14, a first annular cavity 15 is formed in the first connecting cylinder 14, a second connecting cylinder 16 is fixedly communicated with the bottom end of the first connecting cylinder 14, a second annular cavity 17 is formed in the second connecting cylinder 16, connecting pipes 18 are fixedly communicated with the cavity walls of the first annular cavity 15 and the second annular cavity 17 together, the upper surface of the connecting plate 12 is fixedly connected with an inflation assembly 5, the inflation assembly 5 comprises a waterproof air pump 51 fixedly connected with the upper surface of the connecting plate 12, the air extraction end of the waterproof air pump 51 is fixedly communicated with a guide pipe 52, the bottom end of the guide pipe 52 penetrates through the lower surface of the connecting plate 12 and is fixedly communicated with the inner wall of the first annular cavity 15 of the first connecting cylinder 14, the output end of the waterproof air pump 51 is fixedly communicated with an air inlet one-way valve 53, the wall of the conduit 52 is fixedly connected with an electronic pressure relief valve 54.
The outer wall of the first connecting cylinder 14 is fixedly sleeved with the first plugging mechanism 6, the outer wall of the second connecting cylinder 16 is fixedly sleeved with the second plugging mechanism 7, the first plugging mechanism 6 comprises two telescopic rubber sleeves 61 fixedly sleeved with the outer wall of the first connecting cylinder 14, the outer wall of each telescopic rubber sleeve 61 is fixedly connected with a plurality of vertical reinforcing rods 62, the rod walls of the plurality of vertical reinforcing rods 62 are jointly fixedly sleeved with a rubber sealing ring 63, the side wall of each rubber sealing ring 63 is fixedly connected with the outer wall of each telescopic rubber sleeve 61, the cavity wall of the first annular cavity 15 is provided with a plurality of ventilation holes 64, the second plugging mechanism 7 is consistent with the first plugging mechanism 6 in structure, and the mechanism enables the underground water level observation device to have the capability of accurately observing underground water levels of different depths in a single well, so that convenience of underground water level observation can be improved, and reliability of the underground water level observation device and accuracy of observation data can be improved.
The first plugging mechanism 6 and the second plugging mechanism 7 divide the first connecting cylinder 14 and the second connecting cylinder 16 into an upper layer water stagnation observing area, a diving observing area and a pressure bearing water observing area, water level observing mechanisms 8 are respectively arranged at the water stagnation observing area, the diving observing area and the pressure bearing water observing area, each water level observing mechanism 8 comprises an insulating connecting cover 81, a through hole is formed in the upper surface of the insulating connecting cover 81, a conducting ring 82 is fixedly connected with the wall of the through hole, a conducting resistor 83 is movably connected with the inner wall of the conducting ring 82, an insulating sleeve 84 is fixedly connected with the inner wall of the conducting resistor 83, a conducting rod 85 is connected with the inner wall of the insulating sleeve 84, an insulating block 86 is fixedly connected with the bottom end of the conducting resistor 83, a sealing piston sleeve 87 is fixedly connected with the outer wall of the sealing piston sleeve 87, an insulating spring tube 88 is movably sleeved on the wall of the conducting resistor 83, the inner wall of the insulating spring tube 88 is connected with a wire 89, the top end of the wire 89 passes through the upper surface of the insulating connecting cover 81 and extends outwards, the bottom end of the wire 89 is fixedly connected with a metal probe 810, the bottom end of the metal probe 810 passes through the lower surface of the sealing piston sleeve 87 and extends downwards, the outer wall of the insulating connecting cover 81 is fixedly connected with an electric conductivity meter 811, the mechanism enables the underground water level observation device to have the capability of resisting water flow interference and measuring conductivity of underground water when observing the underground water level, improves the accuracy of observing the underground water level, can monitor the water quality change of the underground water, a plurality of water level observation mechanisms 8 are fixedly connected with the inner walls of the adjacent first connecting cylinder 14 and second connecting cylinder 16 respectively, the outer walls of the first connecting cylinder 14 and the second connecting cylinder 16 are respectively provided with through holes, the wall of each through hole is fixedly connected with a water inlet pipe 19, the outer end of the water inlet pipe 19 is fixedly sleeved with a filter cover 23.
The top end inner wall of the observation well casing 2 is connected with a protection mechanism 9, the protection mechanism 9 comprises a U-shaped frame 91 fixedly connected with the inner wall of the observation well casing 2, a motor 92 is fixedly connected with the inner wall of the U-shaped frame 91, the output end of the motor 92 is fixedly connected with a fan blade 93, two mounting holes are formed in the outer wall of the observation well casing 2, the hole wall of each mounting hole is fixedly connected with a thermoelectric refrigerator 94, a U-shaped screen plate 95 fixedly connected with the outer wall of the refrigeration side of one thermoelectric refrigerator 94 is fixedly connected with the upper surface of a cylinder cover 4, a through hole is formed in the upper surface of the cylinder cover 4, a heat conducting cover 98 is fixedly connected with a heat insulating plate 96, and a thermistor 97 is fixedly connected with the upper surface of the heat insulating plate 96.
The upper surface of connecting plate 12 has seted up connection through-hole and a plurality of return water hole 20, and the pore wall fixedly connected with rubber shutoff piece 21 of connection through-hole, the lower surface of rubber shutoff piece 21 is located directly over the first connecting cylinder 14, the electric wire that a plurality of water level observation mechanisms 8 are connected all passes rubber shutoff piece 21 and is connected with water level data processing host computer 3, rubber shutoff piece 21 can ensure the leakproofness on first connecting cylinder 14 top, the electric connection of above-mentioned energizing structure is prior art, and no more detailed herein.
The principle of operation of the present invention will now be described as follows: when the hydrogeological exploration needs to observe the groundwater level of the upper layer of water stagnation, the diving layer and the pressure-bearing water layer, firstly, a trapezoid observation well 1 is arranged at the hydrogeological exploration position, an observation well protection cylinder 2 is installed, then a first connecting cylinder 14 and a second connecting cylinder 16 with corresponding lengths are hoisted into the trapezoid observation well 1, the bottom end of the second connecting cylinder 16 is contacted with the bottom water-resisting layer of the pressure-bearing water layer, a second blocking mechanism 7 is positioned at the top water-resisting layer position of the pressure-bearing water layer, a first blocking mechanism 6 is positioned at the top water-resisting layer position of the diving layer, three water level observing mechanisms 8 are sequentially distributed in the water stagnation observation region, the diving observation region and the pressure-bearing water observation region, meanwhile, a inserted rod 10 of a connecting plate 12 is connected with a fixed ring 11, the connection stability of the first connecting cylinder 14 and the second connecting cylinder 16 is ensured, then a waterproof air pump 51 is started through a control switch 22, the waterproof air pump 51 sucks air through an air inlet one-way valve 53 and a connecting pipe 18, air enters the first annular cavity 15 and the second annular cavity 17 through the guide pipe 52, and respectively enters the telescopic rubber sleeves 61 of the first plugging mechanism 6 and the second plugging mechanism 7 through the air holes 64, the telescopic rubber sleeves 61 are expanded to enable the rubber sealing rings 63 to be closely attached to corresponding water-resisting layers in the trapezoid observing well 1, the reliability of the sealing structure is improved through the vertical reinforcing rods 62, in addition, as the plugging of the first plugging mechanism 6 and the second plugging mechanism 7 can avoid the mutual interference of water layers of upper water-retaining layers, diving layers and bearing water layers, when a single well observes the underground water level, the water level change of each water layer can be accurately observed, and a plurality of observing wells do not need to be arranged, so that time and labor are saved, the mechanism enables the underground water level observing device to have the capability of accurately observing underground water levels of different depths of the single well, the convenience of observing the underground water level can be improved, the reliability of the underground water level observation device and the accuracy of observation data can be improved, and the management of underground water resources can be facilitated.
When the underground water level observation device works, firstly, the water inlet pipes 19 at the bottom ends of the water level observation mechanisms 8 are positioned at the bottom ends of the upper layer of stagnant water, the diving layer and the pressure-bearing water layer, and the water pressure of the corresponding underground water layer enables part of underground water to pass through the water inlet pipes 19 and enter the insulating connecting cover 81, then the liquid level inside the insulating connecting cover 81 pushes the sealing piston sleeve 87 to rise under the principle of a communicating vessel, the sealing piston sleeve 87 drives the insulating block 86 and the conducting resistor 83 to rise and extrude the insulating spring tube 88, when the water level descends, the sealing piston sleeve 87 is driven to move downwards along with the water level under the action of the restoring force of the insulating spring tube 88, the water pressure inside the insulating connecting cover 81 is consistent with the external water pressure, in addition, the displacement change occurs between the conducting resistor 83 and the conducting ring 82, and the distance between the bottom end of the conducting resistor 83 and the conducting rod 85 is shortened, the resistance between the two is reduced, the electric signal entering the water level data processing host 3 is correspondingly changed by the change of the resistance, the water level data of each groundwater layer is sent to the staff of the control room after being processed by the water level data processing host 3, the water level observation mode is not affected by water flow to shake and interfere, meanwhile, the bottom end of the electrified conducting rod 85 and the metal probe 810 are both positioned in groundwater, the conductivity of each groundwater layer can be known in time by matching with the conductivity meter 811, the conductivity meter 811 is connected with the water level data processing host 3 to send the conductivity data of each groundwater layer to the staff of the control room, the staff knows the solute content of different groundwater layers through the conductivity data, monitors the quality of the groundwater and provides reference for whether to mine the groundwater, the mechanism enables the underground water level observation device to have the capability of resisting water flow interference and measuring the conductivity of underground water when observing the underground water level, improves the accuracy of observing the underground water level, and can monitor the water quality change of the underground water.
When the upper layer stagnant water liquid level closest to the water level data processing host 3 in the trapezoid observation well 1 rises, the heated quantity is increased after the liquid level approaches the ground, the water evaporation quantity is increased, the water accumulated at the vicinity of the water level data processing host 3 at the top of the observation well protection barrel 2 after rising, meanwhile, the liquid level in the stagnant water observation area pushes the conductive resistor tube 83 in the adjacent water level observation mechanism 8 to rise, the current fed into the motor 92 and the thermoelectric cooler 94 of the same serial circuit is increased along with the decrease of the resistance between the conductive resistor tube 83 and the conductive ring 82, the power of the motor 92 and the thermoelectric cooler 94 is increased, the temperature of the U-shaped net plate 95 can be reduced after the thermoelectric cooler 94 cools, and the motor 92 is matched with the fan blades 93 to enable more water to contact the cold U-shaped net plate 95, the water is liquefied into water drops when encountering cold to flow back through the water return holes 20, the water level data processing host 3 is prevented from being in a high humidity environment for a long time, if the evaporation amount of groundwater in the stagnant water layer is still increased due to a large amount of solar radiation in a high temperature environment in summer, at this time, the thermistor 97 is affected by a large amount of solar radiation at the top of the observation well casing 2 to reduce the resistance, then the working power of the motor 92 and the thermoelectric cooler 94 in the same series circuit is increased to timely process a large amount of water accumulated at the top of the observation well casing 2, the cooling effect of the thermoelectric cooler 94 can cool the water level data processing host 3 in the high temperature environment to avoid the situation that the water level data processing host 3 is in high temperature and high humidity environment, in addition, the power of the motor 92 and the thermoelectric cooler 94 can be adjusted to effectively cope with emergency situations such as high temperature and high humidity, and the reliability of continuous operation can be ensured by the motor 92 and the thermoelectric cooler 94 in the low-moisture and low-temperature environment through the low-power operation mode, the mechanism can also reduce corresponding energy consumption, and the water level data processing host 3 in the underground water level observation device has the functions of high temperature prevention and high humidity prevention, so that the operation safety of electronic devices in the water level data processing host 3 is improved, and meanwhile, the safety reliability and the service life of the underground water level observation device are improved.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a hydrogeology exploration groundwater level observation device, includes trapezoidal observation well (1), observation well casing (2) and water level data processing host computer (3), there is cover (4) on the top of observation well casing (2) through bolted connection, the top fixed connection at trapezoidal observation well (1) is passed through with to observation well casing (2), a serial communication port, the inner wall fixedly connected with solid fixed ring (11) of observation well casing (2), the inner wall swing joint of solid fixed ring (11) has inserted bar (10), two the top joint fixedly connected with connecting plate (12) of inserted bar (10), the upper surface fixedly connected with T shape link (13) of connecting plate (12), the upper surface and the lower fixed surface of water level data processing host computer (3) of T shape link (13), the lower fixed surface of connecting plate (12) is connected with first connecting cylinder (14), first annular cavity (15) have been seted up to the inside of first connecting cylinder (14), first connecting cylinder (14) are connected with connecting plate (16) jointly, second annular cavity (16) have a second annular cavity (17) and a second annular cavity (16) are connected with each other, the upper surface of the connecting plate (12) is fixedly connected with an inflation assembly (5), the outer wall of the first connecting cylinder (14) is fixedly sleeved with a first blocking mechanism (6), and the outer wall of the second connecting cylinder (16) is fixedly sleeved with a second blocking mechanism (7);
the first plugging mechanism (6) and the second plugging mechanism (7) divide the first connecting cylinder (14) and the second connecting cylinder (16) into an upper layer water stagnation observing area, a diving observing area and a pressure bearing water observing area, water level observing mechanisms (8) are arranged at the water stagnation observing area, the diving observing area and the pressure bearing water observing area, the water level observing mechanisms (8) are fixedly connected with the inner walls of the adjacent first connecting cylinder (14) and second connecting cylinder (16) respectively, through holes are formed in the outer walls of the first connecting cylinder (14) and the second connecting cylinder (16), a water inlet pipe (19) is fixedly connected to the wall of the through holes, a filter cover (23) is fixedly sleeved at the outer end of the water inlet pipe (19), and a protection mechanism (9) is connected to the inner wall of the top end of the observation well protecting cylinder (2);
the first plugging mechanism (6) comprises two telescopic rubber sleeves (61) fixedly sleeved with the outer wall of the first connecting cylinder (14), a plurality of vertical reinforcing rods (62) are fixedly connected to the outer wall of the telescopic rubber sleeves (61), rubber sealing rings (63) are fixedly sleeved on the rod walls of the vertical reinforcing rods (62) together, the side walls of the rubber sealing rings (63) are fixedly connected with the outer wall of the telescopic rubber sleeves (61), and a plurality of ventilation holes (64) are formed in the cavity wall of the first annular cavity (15);
the second blocking mechanism (7) is consistent with the first blocking mechanism (6) in structure;
the water level observation mechanism (8) comprises an insulating connecting cover (81), a through hole is formed in the upper surface of the insulating connecting cover (81), a conducting ring (82) is fixedly connected to the wall of the through hole, a conducting resistance tube (83) is movably connected to the inner wall of the conducting ring (82), an insulating sleeve (84) is fixedly connected to the inner wall of the conducting resistance tube (83), a conducting rod (85) is connected to the inner wall of the insulating sleeve (84), an insulating block (86) is fixedly connected to the bottom end of the conducting resistance tube (83), a sealing piston sleeve (87) is fixedly connected to the outer wall of the insulating block (86), the outer wall of the sealing piston sleeve (87) is in sealing movable connection with the inner wall of the connecting cover, an insulating spring tube (88) is movably sleeved on the wall of the conducting resistance tube (83), a conducting wire (89) is connected to the inner wall of the insulating spring tube (88), the top end of the conducting wire (89) penetrates through the upper surface of the insulating connecting cover (81) and extends outwards, a metal probe (810) is fixedly connected to the bottom end of the conducting wire (89), a sealing piston sleeve (87) is fixedly connected to the bottom end of the conducting probe (810), and the sealing piston sleeve (87) penetrates through the surface of the insulating sleeve (811).
2. The hydrogeological exploration groundwater level observation device according to claim 1, wherein the inflation assembly (5) comprises a waterproof air pump (51) fixedly connected with the upper surface of the connecting plate (12), an air extraction end of the waterproof air pump (51) is fixedly communicated with a guide pipe (52), the bottom end of the guide pipe (52) penetrates through the lower surface of the connecting plate (12) and is fixedly communicated with the inner wall of the first annular cavity (15) of the first connecting cylinder (14), an output end of the waterproof air pump (51) is fixedly communicated with an air inlet check valve (53), and a pipe wall of the guide pipe (52) is fixedly communicated with an electronic pressure relief valve (54).
3. The hydrogeological exploration groundwater level observation device according to claim 1, wherein the protection mechanism (9) comprises a U-shaped frame (91) fixedly connected with the inner wall of an observation well casing (2), the inner wall of the U-shaped frame (91) is fixedly connected with a motor (92), the output end of the motor (92) is fixedly connected with a fan blade (93), two mounting holes are formed in the outer wall of the observation well casing (2), the hole wall of each mounting hole is fixedly connected with a thermoelectric cooler (94), a U-shaped screen plate (95) fixedly connected with the outer wall of the refrigeration side of one thermoelectric cooler (94), a through hole is formed in the upper surface of the cylinder cover (4), a heat conducting cover (98) is fixedly connected with the hole wall of the through hole, the inner wall of the heat conducting cover (98) is fixedly connected with a heat insulating plate (96), and the upper surface of the heat insulating plate (96) is fixedly connected with a thermistor (97).
4. The hydrogeological exploration groundwater level observation device according to claim 1, wherein a connecting through hole and a plurality of backwater holes (20) are formed in the upper surface of the connecting plate (12), a rubber plugging block (21) is fixedly connected to the hole wall of the connecting through hole, and the lower surface of the rubber plugging block (21) is located right above the first connecting cylinder (14).
5. The hydrogeological exploration groundwater level observation device according to claim 1, wherein an operation switch (22) is fixedly connected to the upper surface of the T-shaped connecting frame (13), and an exhaust valve (24) is fixedly embedded in the outer wall of the observation well casing (2).
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