CN116641698A - Energy-saving karst groundwater level on-line monitoring device - Google Patents
Energy-saving karst groundwater level on-line monitoring device Download PDFInfo
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- CN116641698A CN116641698A CN202310520033.8A CN202310520033A CN116641698A CN 116641698 A CN116641698 A CN 116641698A CN 202310520033 A CN202310520033 A CN 202310520033A CN 116641698 A CN116641698 A CN 116641698A
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- 239000003673 groundwater Substances 0.000 title claims abstract description 33
- 238000012806 monitoring device Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 151
- 238000012544 monitoring process Methods 0.000 claims abstract description 56
- 239000010410 layer Substances 0.000 claims abstract description 39
- 239000002344 surface layer Substances 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 38
- 238000005086 pumping Methods 0.000 claims description 21
- 238000007667 floating Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 244000208734 Pisonia aculeata Species 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005070 sampling Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 18
- 230000009471 action Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
- E21B47/047—Liquid level
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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
- G01F23/22—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 by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—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 by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
-
- 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
- G01F23/22—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 by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—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 by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
- G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
-
- 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
- G01F23/30—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 by floats
- G01F23/64—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 by floats of the free float type without mechanical transmission elements
- G01F23/68—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 by floats of the free float type without mechanical transmission elements using electrically actuated indicating means
- G01F23/70—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 by floats of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points
- G01F23/703—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 by floats of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points using electromechanically actuated indicating means
Abstract
The invention belongs to the technical field of underground water level monitoring, and particularly relates to an energy-saving karst underground water level online monitoring device which comprises a ground surface layer and a monitoring well, wherein the monitoring well is arranged on the end surface of the ground surface layer, a well sleeve is fixedly connected to the well wall of the monitoring well, a plurality of groups of convection holes are formed in the side wall of the well sleeve, and a flow pipe is arranged between two convection holes in the same group. According to the invention, only a single well is required to be excavated, filling is not required, the water-bearing layer and the stabilizing layer can be separately monitored, the construction difficulty is low, the pertinence and the accuracy of the monitoring of karst groundwater are improved, the water level of the stabilizing layer is automatically controlled to be monitored on line according to the water flow pressure of the water-bearing layer, a better energy-saving effect is achieved, meanwhile, when the water flow pressure of the water-bearing layer is high, temporary slow flow treatment can be carried out, the collapse possibility of a karst area at the monitoring position is reduced to a certain extent, and the follow-up full development and utilization of the karst groundwater and the water quality sampling and other works are facilitated.
Description
Technical Field
The invention belongs to the technical field of underground water level monitoring, and particularly relates to an energy-saving karst underground water level online monitoring device.
Background
The karst landform is formed by long-term corrosion of surface water and underground water on soluble rock, and the underground water resource can be reasonably developed, utilized and protected by exploring the karst underground water resource.
At present, in karst areas, due to the characteristics of special aquifer properties, complex hydrogeological conditions, extremely uneven groundwater distribution and the like, the underground water monitoring point position layout requirements are higher, the difficulty is higher, and in addition, the karst aquifer usually does not have a uniform underground water level surface, so that the unification of monitoring layers among different monitoring wells is difficult, a single well is directly excavated, water of the aquifer flows into a groundwater stable layer to influence the monitoring result, so that the construction of a representative monitoring well in the karst areas is a key for acquiring reliable data;
in order to improve the monitoring comprehensiveness of underground water level in karst areas, the monitoring wells in karst areas are generally cluster type monitoring wells and nest type monitoring wells, the cluster type monitoring wells are single wells with different depths and excavated in selected areas, water level monitoring of water-bearing layers with different depths and underground water stabilization layers is achieved, the nest type monitoring wells are monitoring pipes with different lengths and are installed in the same single well, filling materials and the like are filled in the monitoring pipes to achieve water level monitoring of rock stratum with different depths, however, the cluster type monitoring wells are required to excavate a plurality of shafts, construction difficulty is high, various flow channels are produced due to corrosion in the karst areas, liquid level differences are large even if adjacent areas are in use, the nest type monitoring wells are only required to excavate one shaft, the diameter of the excavated shaft is large, and multiple layers of layered filling materials are required to be filled, meanwhile, when on-line monitoring is carried out, multiple sets of monitoring instruments are required to be electrified for a long time, and energy conservation is not facilitated.
Disclosure of Invention
The invention aims to solve the problems and provides an energy-saving karst groundwater level online monitoring device.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides an energy-saving karst groundwater water level on-line monitoring device, includes ground top layer and monitoring well, the terminal surface on ground top layer is seted up to the monitoring well, the wall of a well fixedly connected with well cover of monitoring well, the multiunit convection current has been seted up to the lateral wall of well cover, and all is equipped with the runner pipe between two convection current holes of same group, the runner pipe is located the inside fixed setting of well cover, each the inside of runner pipe is all slided and is equipped with the framed plate, and the inside fixed screen cloth that permeates water, each the inside of runner pipe is all fixed and is equipped with the trigger mechanism with screen cloth matched with that permeates water, the inside downside of well cover is equipped with the backup pad, and the backup pad is located the below setting of the lower side flow pipe, the lower extreme fixedly connected with cavity piece of backup pad, and the inside fixed laser level gauge that is equipped with of cavity piece, the detection end of laser level gauge runs through the lower extreme setting of cavity piece, the lateral wall of well cover is located the position of cavity piece below and has been seted up a plurality of bar holes, the top fixed mounting of well cover has detachable well lid controller, and well lid controller, each the inside fixed mounting of runner pipe is equipped with trigger mechanism with the trigger mechanism with the same electric connection, the trigger mechanism is connected with the electric connection with the laser level meter in the temporary flow meter, the trigger mechanism is connected with the trigger mechanism.
Preferably, each trigger mechanism all includes fixed plate that sets up in the runner pipe is inside, and the lateral wall sliding connection of fixed plate has insulating T shape pole, and the lateral wall fixed connection of insulating T shape pole and the lateral wall fixed connection of frame board, the lateral wall fixedly connected with insulating barrel of fixed plate, and the inside of insulating barrel is equipped with two conductive bars, and common fixedly connected with insulating connecting rod between two conductive bars, one of them the conductive bar is located the fixed setting of pole end of insulating T shape pole, insulating connecting rod's outside cover is equipped with the conducting ring with conductive bar assorted, and the conducting ring is located the fixed setting of inside of insulating barrel, insulating barrel's tip fixed embedding have with conducting ring electric connection's electromagnetic switch, and electromagnetic switch and controller electric connection, be equipped with elasticity flexible subassembly jointly between insulating T shape pole and the fixed plate.
Preferably, the temporary slow flow mechanism comprises a pump fixedly arranged at the top of the supporting plate, a suction pipe is fixedly communicated with the suction end of the pump and the side flow pipes, two adjacent pump delivery pipes are fixedly communicated with the side flow pipes, the pump delivery ends are fixedly connected with water delivery pipes, normally closed electromagnetic valves are arranged in the delivery pipes, annular grooves coaxially arranged with the monitoring well are formed in the surface of the ground surface, annular water storage groove plates are fixedly arranged in the annular grooves, and the pipe ends of the water delivery pipes penetrate through the side walls of the well sleeve and are fixedly communicated with the annular water storage groove plates.
Preferably, each starting assembly comprises an insulating ring fixedly sleeved on the outer sides of the two conductive rods, the upper ends of the side walls on one side of the two insulating rings in opposite directions are fixedly connected with a touch bar, the positions, on the two sides of the conductive rings, of the upper inner wall of the insulating cylinder are fixedly connected with mounting blocks, the side walls on the opposite sides of the two mounting blocks are fixedly provided with pressure switches, and the pressure switches are electrically connected with the controller.
Preferably, the water pumping mechanism comprises a water pumping pipe fixedly inserted into the end face of the supporting plate, the water pumping pipe is fixedly communicated with the suction pipe, a water draining pipe is fixedly inserted into the pipe wall of the water pumping pipe, and electric control valves are arranged in the water draining pipe and the water pumping pipe.
Preferably, the lower end of the outer annular wall of the annular water storage groove plate is provided with a plurality of conical slow release holes, the aperture of the water inlet end of each conical slow release hole is larger than that of the water outlet end, an annular cover is arranged above the annular water storage groove plate, and a plurality of U-shaped overflow pipes are fixedly inserted at the outer edge of the end face of the annular cover.
Preferably, a circular tube is arranged at the lower side of the inside of the well sleeve, the circular tube and the hollow block are coaxially arranged, and the circular tube is fixedly arranged at the lower end of the hollow block.
Preferably, each elastic expansion assembly comprises a movable ring fixedly sleeved on the outer side wall of the insulating T-shaped rod, the movable ring and the fixed plate are fixedly provided with a reset spring together, the outer side of the reset spring is sleeved with a flexible sealing sleeve, and the flexible sealing sleeve is fixedly arranged between the movable ring and the fixed plate.
Preferably, the outside upper end activity of pipe has cup jointed the clamping ring, and the lateral wall of pipe is located the fixed ring that has cup jointed of position of clamping ring below, the upper end of fixed ring is fixed with the trigger switch with controller electric connection, the lower extreme fixedly connected with of clamping ring is a set of stay cord, and the common fixedly connected with floating ring of lower extreme of a plurality of stay cords of same group, the lower extreme fixedly connected with of floating ring a plurality of balancing weights, pipe and clamping ring are connected with the pullback spring jointly.
Compared with the prior art, the energy-saving karst groundwater level on-line monitoring device has the advantages that:
through the mutual cooperation of the ground surface layer, the monitoring well, the well sleeve, the convection hole, the runner pipe and the strip-shaped hole, each water-bearing layer on the upper side of the karst layer can be separated through the runner pipe, and the monitoring well is directly connected with the stabilizing layer of the karst groundwater, so that each water-bearing layer and the stabilizing layer of the groundwater can be separated and monitored, the monitoring pertinence and the accuracy of the karst groundwater are improved, only one well is required to be excavated, filling filler is not needed, and the construction difficulty is reduced.
Through the frame board that sets up, the screen cloth permeates water, trigger mechanism, a controller, wireless alarm, the backup pad, well hollow piece and laser level gauge's mutually support, through carrying out the monitoring that the water-bearing layer water liquid flows in each runner pipe, can monitor the water level of groundwater stable layer through the automatic start laser level gauge of controller when water-bearing layer water flow pressure is great, and carry out wireless remote alarm work according to the monitoring result, when monitoring, the wireless continuous circular telegram work of laser level gauge, possess better energy-conserving effect, and can be according to the difference of conducting ring and conducting rod's contact position, the water pressure of water-bearing layer is detected, thereby can the side reflect the water level condition of water-bearing layer, through the clamping ring that sets up, solid fixed ring, trigger switch, stay cord, floating ring, balancing weight and pullback spring mutually support, can be when low water level, work through the trigger switch of pull-down, thereby can carry out the start laser level gauge work of low water level, improve the comprehensive of automatic monitoring of water level.
Through temporary slow flow mechanism and the start-up subassembly that set up, can be when the water flow velocity pressure of each aquifer is great, through taking the unnecessary water liquid to the annular retaining frid of earth's surface layer play in store temporarily, can slow down the water flow pressure of each aquifer play to can slow down water velocity, avoid leading to the karst runner to enlarge because of water flow pressure is too big as far as possible, accelerate the karst phenomenon, thereby can reduce the possibility that this karst region collapses to a certain extent.
Through the water pumping mechanism that sets up, can carry out the water liquid that aquifer and stable layer go out and take out, on the one hand, can be when water resource is abundant, be convenient for carry out abundant development and utilization to water resource, on the other hand, can be convenient for the inspector and carry out the sample detection of karst regional groundwater, convenient to use.
Drawings
FIG. 1 is a schematic structural view of an energy-saving karst groundwater level on-line monitoring device provided by the invention;
FIG. 2 is a schematic diagram of the internal structure of a well casing of the energy-saving karst groundwater level online monitoring device;
FIG. 3 is a schematic diagram of the internal structure of a runner pipe of the energy-saving karst groundwater level online monitoring device;
fig. 4 is a schematic diagram of the internal structure of an insulating cylinder of the energy-saving karst groundwater level online monitoring device;
FIG. 5 is a schematic view of a partial sectional structure of an annular water storage tank plate of the energy-saving karst groundwater level online monitoring device;
FIG. 6 is a schematic diagram of the internal structure of a hollow block of the energy-saving karst groundwater level online monitoring device provided by the invention;
fig. 7 is a schematic diagram of a connection structure between a compression ring and a circular tube of the energy-saving karst groundwater level online monitoring device.
In the figure: 1 ground surface layer, 2 monitoring well, 3 well sleeve, 4 convection hole, 5 runner pipe, 6 frame plate, 7 permeable screen cloth, 8 triggering mechanism, 81 fixed plate, 82 insulating T-shaped rod, 83 insulating cylinder, 84 conducting rod, 85 insulating connecting rod, 86 conducting ring, 87 electromagnetic switch, 88 elastic telescopic component, 881 movable ring, 882 reset spring, 883 flexible seal sleeve, 9 supporting plate, 10 hollow block, 11 laser liquid level meter, 12 bar hole, 13 well cover, 14 controller, 15 wireless alarm, 16 temporary slow flow mechanism, 161 pump, 162 suction pipe, 163 communicating pipe, 164 water pipe, 165 normally closed electromagnetic valve, 166 annular groove, 167 annular water storage groove plate, 17 starting component, 171 insulating ring, 172 touch pressure rod, 173 installation block, 174 pressure switch, 18 water pumping mechanism, 181 water pumping pipe, 182 drain pipe, 183 electric control valve, 19 conical slow release hole, 20 annular cover, 21U-shaped overflow pipe, 22 circular pipe, 23 compression ring, 24 fixed ring, 25 triggering switch, 26, 27 floating ring, 28 balancing weight, 29 pullback spring.
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.
As shown in fig. 1-7, an energy-saving karst groundwater water level online monitoring device comprises a ground surface layer 1 and a monitoring well 2, wherein the monitoring well 2 is arranged on the end surface of the ground surface layer 1, the well wall of the monitoring well 2 is fixedly connected with a well sleeve 3, a plurality of groups of convection holes 4 are arranged on the side wall of the well sleeve 3, a circulation pipe 5 is arranged between the two convection holes 4 of the same group, the circulation pipes 5 are fixedly arranged in the well sleeve 3, a frame plate 6 is slidably arranged in each circulation pipe 5, a permeable mesh 7 is fixedly arranged in the frame plate 6, a trigger mechanism 8 matched with the permeable mesh 7 is fixedly arranged in each circulation pipe 5, each trigger mechanism 8 comprises a fixed plate 81 fixedly arranged in the circulation pipe 5, the side wall of the fixed plate 81 is slidably connected with an insulating T-shaped rod 82, the side wall of the insulating T-shaped rod 82 is fixedly connected with the side wall of the frame plate 6, the side wall of the fixed plate 81 is fixedly connected with an insulating machine barrel 83, two conductive rods 84 are arranged in the insulating machine barrel 83, an insulating connecting rod 85 is fixedly connected between the two conductive rods 84, one conductive rod 84 is fixedly arranged at the rod end of the insulating T-shaped rod 82, a conductive ring 86 matched with the conductive rod 84 is sleeved outside the insulating connecting rod 85, the conductive ring 86 is fixedly arranged in the insulating machine barrel 83, an electromagnetic switch 87 electrically connected with the conductive ring 86 is fixedly embedded at the end part of the insulating machine barrel 83, the electromagnetic switch 87 is electrically connected with the controller 14, an elastic telescopic component 88 is jointly arranged between the insulating T-shaped rod 82 and the fixed plate 81, after the conductive rod 84 contacts the conductive ring 86, a connecting loop between the electromagnetic switch 87 and an external power supply can be connected, so that a moving contact of the electromagnetic switch 87 is under the action of magnetic attraction, the self-engaging, conductive rod 84 slides through conductive ring 86 and contacts conductive ring 86 as it moves.
Each elastic telescopic component 88 comprises a movable ring 881 fixedly sleeved on the outer side wall of the insulating T-shaped rod 82, a reset spring 882 is fixedly arranged on the movable ring 881 and the fixed plate 81 together, a flexible sealing sleeve 883 is sleeved on the outer side of the reset spring 882, the flexible sealing sleeve 883 is fixedly arranged between the movable ring 881 and the fixed plate 81, the movable ring 881 can be driven to synchronously move when the frame plate 6 drives the insulating T-shaped rod 82 to move, the reset spring 882 can be extruded or stretched, after the water flow pressure disappears, the frame plate 6 can be assisted to move back and reset, and the flexible sealing sleeve 883 is made of flexible stretchable rebound material.
The inside downside of well cover 3 is equipped with backup pad 9, and backup pad 9 is located the below setting of bottommost side flow pipe 5, the lower extreme fixedly connected with cavity piece 10 of backup pad 9, and the inside of cavity piece 10 is fixed to be equipped with laser level gauge 11, the lower extreme setting of cavity piece 10 is run through to the detection end of laser level gauge 11, the inside downside of well cover 3 is equipped with pipe 22, and pipe 22 and the coaxial setting of cavity piece 10, pipe 22 is located the fixed setting of lower extreme of cavity piece 10, through pipe 22, can reduce the measuring influence of the outside factors such as liquid level fluctuation to laser level gauge 11.
The side wall of the well sleeve 3 is provided with a plurality of strip-shaped holes 12 at the position below the hollow block 10, the top of the well sleeve 3 is fixedly provided with a detachable well cover 13, the top of the well cover 13 is fixedly provided with a controller 14, the controller 14 is electrically connected with a wireless alarm 15, the controller 14 comprises a time relay, a processor, a circuit board, an external power supply and other components, the controller 14 can convert the loop current change information of the conductive rod 84 contacted with the conductive ring 86 into corresponding digital information, thereby being convenient for corresponding personnel to know the corresponding water flow change of the aquifer, the wireless alarm 15 can remotely send alarm information, which is the prior art, so that the wireless alarm 15 is not excessively repeated, the triggering mechanism 8 is electrically connected with the laser liquid level meter 11 through the controller 14, the supporting plate 9 and the plurality of flow tubes 5 are fixedly communicated with the temporary slow-flow mechanism 16 together, the temporary slow flow mechanism 16 comprises a pump 161 fixedly arranged at the top of the supporting plate 9, a suction end of the pump 161 is fixedly communicated with a suction pipe 162 together with the side flow pipes 5, a communication pipe 163 is fixedly communicated between two adjacent flow pipes 5 together, the output end of the pump 161 is fixedly connected with a water pipe 164, normally closed electromagnetic valves 165 are arranged in the communication pipes 163, the suction pipe 162 and the water pipe 164, annular grooves 166 coaxially arranged with the monitoring well 2 are formed in the surface of the surface layer 1, annular water storage groove plates 167 are fixedly arranged in the annular grooves 166, the pipe ends of the water pipe 164 penetrate through the side wall of the well sleeve 3 and are fixedly communicated with the annular water storage groove plates 167, when the normally closed electromagnetic valves 165 are electrified, the communication pipe 163, the suction pipe 162 and the water pipe 164 can be opened, partial groundwater can be temporarily stored through the annular water storage groove plates 167, and the water flow pressure of the water-containing layer can be slowed down, reducing the possibility of damaging the karst layer at the position of the karst layer by excessive water flow pressure.
The lower end of the outer annular wall of the annular water storage groove plate 167 is provided with a plurality of conical slow release holes 19, the aperture of the water inlet end of each conical slow release hole 19 is larger than the aperture of the water outlet end, the annular cover 20 is arranged above the annular water storage groove plate 167, a plurality of U-shaped overflow pipes 21 are fixedly inserted at the outer edge of the end face of the annular cover 20, water liquid entering the annular water storage groove plate 167 can be slowly discharged into the soil layer of the karst ground surface layer 1 through the conical slow release holes 19, the water storage capacity of the annular water storage groove plate 167 is improved, and excessive water liquid can be discharged on the surface of the ground surface layer 1 through the overflow mode when the water quantity inside the annular water storage groove plate 167 is large through the U-shaped overflow pipes 21.
Each trigger mechanism 8 is internally provided with a starting component 17 electrically connected with the temporary slow-flow mechanism 16, each starting component 17 comprises an insulating ring 171 fixedly sleeved on the outer sides of two conductive rods 84, the upper ends of the side walls of the two opposite sides of the insulating rings 171 are fixedly connected with a touch rod 172, the upper inner wall of the insulating cylinder 83 is positioned on the two sides of the conductive ring 86 and is fixedly connected with a mounting block 173, the side walls of the opposite sides of the two mounting blocks 173 are fixedly provided with a pressure switch 174, the pressure switch 174 is electrically connected with the controller 14, when the movable contact of the pressure switch 174 is extruded and closed under the action of external force, a loop between the pressure switch 174 and an external power supply can be connected, so that an electric signal can be given to the controller 14, and after the external extrusion force disappears, the movable contact of the pressure switch 174 can rebound and reset under the action of an elastic element of the pressure switch 174.
The temporary slow flow mechanism 16 is fixedly connected with the water pumping mechanism 18, the water pumping mechanism 18 comprises a water pumping pipe 181 fixedly inserted into the end face of the supporting plate 9, the water pumping pipe 181 is fixedly connected with the suction pipe 162, a water discharging pipe 182 is fixedly inserted into the pipe wall of the water conveying pipe 164, electric control valves 183 are arranged in the water discharging pipe 182 and the water pumping pipe 181, and water liquid in the stable layer of the monitoring well 2 can be pumped out when the underground water level is higher through the water pumping pipe 181, the suction pipe 162, the water conveying pipe 164 and the water discharging pipe 182, so that the underground water can be fully developed and utilized.
The outside upper end activity of pipe 22 has cup jointed clamping ring 23, and the lateral wall of pipe 22 is located the fixed ring 24 that has cup jointed of position of clamping ring 23 below, the upper end of fixed ring 24 is fixed to be equipped with the trigger switch 25 with controller 14 electric connection, the lower extreme fixedly connected with of clamping ring 23 has a set of stay cord 26, and the common fixedly connected with floating ring 27 of lower extreme of a plurality of stay cords 26 of same group, the lower extreme fixedly connected with of floating ring 27 has a plurality of balancing weights 28, pipe 22 and clamping ring 23 are connected with pull back spring 29 jointly, be equipped with circular arch on the pipe 22 for be connected with clamping ring 23 through pull back spring 29, trigger switch 25 is pressure type switch, after its moving contact is closed under the exogenic action, can give the controller 14 an electrical signal, and after the exogenic disappearance, under self elastic element effect, can make the moving contact rebound reset.
The principle of operation of the present invention will now be described as follows: selecting proper points on the ground surface layer 1 of a karst area, sampling soil layers in advance, measuring water layer distribution of the area, excavating a monitoring well 2 according to the result, selecting a well sleeve 3 with proper length, excavating a convection hole 4 and a strip hole 12 at proper positions on the well sleeve 3, simultaneously installing a support plate 9, setting the convection hole 4 according to the positions of all water layers, then fixedly installing the well sleeve 3 in the monitoring well 2, wiring a well cover 13, a controller 14, a wireless alarm 15, a laser liquid level meter 11 and all electromagnetic switches 87, introducing an external power supply, and then carrying out on-line water level monitoring;
the water liquid from each aquifer enters the corresponding runner pipe 5 through the convection hole 4, under the flowing action, the flowing pressure of the water flow can push the corresponding permeable screen cloth 7 and the frame plate 6 to move in the horizontal direction, so that the insulating T-shaped rod 82 can be driven to move synchronously, and the two conducting rods 84 can be driven to move synchronously under the cooperation of the insulating connecting rod 85, when the water pressure is slightly higher, the water liquid in the aquifer is more, at the moment, the water level of the stable layer in the monitoring well 2 can rise rapidly, at the moment, under the action of the slightly higher water pressure, one conducting rod 84 can be in contact with the conducting ring 86, so that the electromagnetic switch 87 can be electrified to work, the controller 14 can immediately control the laser liquid level meter 11 to conduct the electrifying work after receiving the electric signal of the electromagnetic switch 87, so that the water level of the stable layer can be monitored, and after the rising height of the water level is monitored to reach a threshold value, the wireless alarm 15 can be immediately sent out by the controller 14, corresponding measures can be taken after the alarm information is received, and the corresponding personnel can take corresponding measures after receiving the alarm information, and the position of the conducting rod 84 and the conducting ring 86 is different, namely the current is changed into a corresponding digital loop, the current loop can be changed, the current is changed into a corresponding digital loop, and the current loop is changed, and the current is changed into the corresponding digital loop is the current and the current is changed;
with the increase of the water flow pressure flowing through the aquifer, the touch rod 172 on the insulating ring 171 will touch the corresponding pressure switch 174, which means that the water flow in the aquifer is larger and the flow speed is faster, so the controller 14 can control the pump 161 to work and control the normally closed electromagnetic valves 165 to be electrified and opened after receiving the electric signal of the pressure switch 174, the pump 161 can pump out the water flow converging in each aquifer through the suction pipe 162 and deliver the water to the inside of the annular water storage tank plate 167 through the water delivery pipe 164, thereby achieving the purpose of slowing down the water flow and the water flow speed, reducing the damage of the water flow to the karst soil layer in the area, and improving the soil layer stability in the karst water level monitoring area;
after the water level of the stabilizing layer at the lower side in the monitoring well 2 rises to a certain height, or when related personnel need to perform groundwater sampling detection, the two electric control valves 183 can be controlled to be opened by the controller 14, and the machine pump 161 is controlled to work, at the moment, water liquid of the stabilizing layer can be pumped out to the inside of the annular water storage groove plate 167, so that the water resource can be conveniently fully utilized, and operations such as water quality detection and the like can be performed;
under the action of water level in the monitoring well 2, when the water level is kept at normal level, under the action of water buoyancy, the floating ring 27 can float on the water surface, if the water level drops excessively, the floating ring 27 is separated from the water surface at the moment, under the action of gravity of the balancing weight 28, the pressure ring 23 can be pulled to move downwards through the pull rope 26, so that the trigger switch 25 can be triggered, at the moment, the controller 14 receives an electric signal of the trigger switch 25, and the laser liquid level meter 11 can be controlled to start to work, so that the low water level on-line monitoring is performed.
The controller 14 can delay the power-off of the laser liquid level meter 11 for 1 hour after the electromagnetic switches 87 and the trigger switches 25 are disconnected through the time relay, and after the pressure switches 174 are disconnected, the controller 14 controls the pump 161 and the normally-closed electromagnetic valve 165 to delay the power-off for 5 minutes, and meanwhile, related personnel can control the laser liquid level meter 11 to work through the controller 14 to check the water level condition of the stable layer of the monitoring well 2 on site.
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 (9)
1. The utility model provides an energy-saving karst groundwater water level on-line monitoring device, includes ground top layer (1) and monitoring well (2), its characterized in that, monitoring well (2) are seted up in the terminal surface of ground top layer (1), the wall of a well fixedly connected with well cover (3) of monitoring well (2), multiunit convection hole (4) have been seted up to the lateral wall of well cover (3), and all be equipped with runner pipe (5) between two convection holes (4) of same group, runner pipe (5) are located the inside fixed setting of well cover (3), each runner pipe (5)'s inside all slides and is equipped with framed board (6), and framed board (6)'s inside fixed be equipped with permeable screen cloth (7), each runner pipe (5) inside all is fixed be equipped with permeable screen cloth (7) matched with trigger mechanism (8), the inside downside of well cover (3) is equipped with backup pad (9), and backup pad (9) are located the below setting of bottommost side runner pipe (5), the lower extreme fixedly connected with cavity piece (10) of backup pad (9), and cavity piece (10) are equipped with cavity piece (10) and the inside of cavity piece (10) is equipped with laser gauge (11) and is located the cavity piece (10) of cavity side (11), the utility model discloses a well lid, including well cover, trigger mechanism, pumping mechanism (18) and trigger mechanism, detachable well lid (13) are fixedly installed at the top of well cover (3), and the top fixed mounting of well lid (13) has controller (14), controller (14) electric connection has wireless alarm (15), trigger mechanism (8) are through controller (14) and laser level gauge (11) electric connection, backup pad (9) are fixed intercommunication jointly with a plurality of runner pipes (5) has interim slow flow mechanism (16), each all be equipped with in trigger mechanism (8) with interim slow flow mechanism (16) electric connection's start-up subassembly (17), interim slow flow mechanism (16) still are fixed intercommunication has pumping mechanism (18).
2. The energy-saving karst groundwater level on-line monitoring device according to claim 1, wherein each triggering mechanism (8) comprises a fixed plate (81) fixedly arranged inside a runner pipe (5), an insulating T-shaped rod (82) is slidably connected to the side wall of the fixed plate (81), the side wall of the insulating T-shaped rod (82) is fixedly connected with the side wall of a frame plate (6), an insulating machine barrel (83) is fixedly connected to the side wall of the fixed plate (81), two conductive rods (84) are arranged inside the insulating machine barrel (83), an insulating connecting rod (85) is fixedly connected between the two conductive rods (84), one conductive rod (84) is fixedly arranged at the rod end of the insulating T-shaped rod (82), a conductive ring (86) matched with the conductive rod (84) is sleeved outside the insulating connecting rod (85), the conductive ring (86) is fixedly arranged inside the insulating machine barrel (83), an electromagnetic switch (87) electrically connected with the conductive ring (86) is fixedly embedded in the end of the insulating machine barrel (83), and an electromagnetic switch (87) electrically connected with the electromagnetic switch (87) is arranged between the electromagnetic switch (87) and the electromagnetic switch (86) and the electromagnetic switch (82), and the electromagnetic switch (88) are electrically connected with the electromagnetic switch (82) and the electromagnetic switch (88) which are electrically connected with the electromagnetic switch (82).
3. The energy-saving karst groundwater level on-line monitoring device according to claim 1, wherein the temporary slow flow mechanism (16) comprises a pump (161) fixedly arranged at the top of a supporting plate (9), a suction pipe (162) is fixedly communicated with a side flow pipe (5) together at the suction end of the pump (161), communicating pipes (163) are fixedly communicated between two adjacent communicating pipes (5) together, a water pipe (164) is fixedly connected to the output end of the pump (161), normally closed electromagnetic valves (165) are arranged in the communicating pipes (163), the suction pipe (162) and the water pipe (164), annular grooves (166) coaxially arranged with a monitoring well (2) are formed in the surface of the earth surface layer (1), annular water storage groove plates (167) are fixedly arranged in the annular grooves (166), and pipe ends of the water pipe (164) penetrate through the side walls of a well sleeve (3) and are fixedly communicated with the annular water storage groove plates (167).
4. The energy-saving karst groundwater level online monitoring device according to claim 2, wherein each starting assembly (17) comprises an insulating ring (171) fixedly sleeved on the outer sides of two conductive rods (84), the upper ends of the side walls of the two insulating rings (171) on the opposite sides are fixedly connected with a touch rod (172), the positions, on the two sides of the conductive ring (86), of the upper inner wall of the insulating cylinder (83) are fixedly connected with mounting blocks (173), the side walls on the opposite sides of the two mounting blocks (173) are fixedly provided with pressure switches (174), and the pressure switches (174) are electrically connected with the controller (14).
5. An energy-saving karst groundwater level on-line monitoring device according to claim 3, characterized in that, the pumping mechanism (18) comprises a pumping pipe (181) fixedly inserted in the end face of the supporting plate (9), the pumping pipe (181) is fixedly communicated with the suction pipe (162), a drain pipe (182) is fixedly inserted in the pipe wall of the pumping pipe (164), and electric control valves (183) are arranged in the drain pipe (182) and the pumping pipe (181).
6. An energy-saving karst groundwater level on-line monitoring device according to claim 3, characterized in that, a plurality of conical slow release holes (19) are arranged at the lower end of the outer annular wall of the annular water storage groove plate (167), the aperture of the water inlet end of each conical slow release hole (19) is larger than the aperture of the water outlet end, an annular cover (20) is arranged above the annular water storage groove plate (167), and a plurality of U-shaped overflow pipes (21) are fixedly inserted at the outer edge of the end face of the annular cover (20).
7. The energy-saving karst groundwater level online monitoring device according to claim 1, wherein a circular tube (22) is arranged at the lower side of the inside of the well sleeve (3), the circular tube (22) and the hollow block (10) are coaxially arranged, and the circular tube (22) is fixedly arranged at the lower end of the hollow block (10).
8. The energy-saving karst groundwater level online monitoring device according to claim 2, wherein each elastic telescopic component (88) comprises a movable ring (881) fixedly sleeved on the outer side wall of the insulating T-shaped rod (82), the movable ring (881) and the fixed plate (81) are fixedly provided with a return spring (882), the outer side of the return spring (882) is sleeved with a flexible sealing sleeve (883), and the flexible sealing sleeve (883) is fixedly arranged between the movable ring (881) and the fixed plate (81).
9. The energy-saving karst groundwater level online monitoring device according to claim 7, wherein the outer upper end of the round tube (22) is movably sleeved with a pressing ring (23), the outer side wall of the round tube (22) is positioned below the pressing ring (23), a fixed ring (24) is fixedly sleeved at a position below the pressing ring (23), a trigger switch (25) electrically connected with the controller (14) is fixedly arranged at the upper end of the fixed ring (24), a group of pull ropes (26) are fixedly connected at the lower end of the pressing ring (23), a floating ring (27) is fixedly connected at the lower end of the same group of pull ropes (26), a plurality of balancing weights (28) are fixedly connected at the lower end of the floating ring (27), and a pull-back spring (29) is fixedly connected at the lower end of the round tube (22) and the pressing ring (23).
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| CN117470588A (en) * | 2023-10-31 | 2024-01-30 | 中国环境监测总站 | Water sampling device for monitoring water pollution source |
| CN117470588B (en) * | 2023-10-31 | 2024-03-29 | 中国环境监测总站 | Water sampling device for monitoring water pollution source |
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