CN107478294B - Groundwater reservoir water level monitoring device and method - Google Patents
Groundwater reservoir water level monitoring device and method Download PDFInfo
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- CN107478294B CN107478294B CN201710838197.XA CN201710838197A CN107478294B CN 107478294 B CN107478294 B CN 107478294B CN 201710838197 A CN201710838197 A CN 201710838197A CN 107478294 B CN107478294 B CN 107478294B
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- water level
- sump
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Classifications
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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
- G01F23/02—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 gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
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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
- G01F23/14—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 measurement of pressure
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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
- G01F23/30—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
- G01F23/40—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 using bands or wires as transmission elements
- G01F23/42—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 using bands or wires as transmission elements using mechanically actuated indicating means
Abstract
Groundwater reservoir water level monitoring device and method provided by the invention, device includes: connecting tube, the connecting hole through groundwater reservoir dam body bottom；U-tube road, down-set positioned at the groundwater reservoir inner opening, first end is as water inlet, the first end connection of second end and the connecting tube；Sump, bottom have the water inlet with the second end connection of the connecting tube, and the water inlet and the connecting hole are located in same level；Level measuring component is arranged in parallel with sump wall, measures height of water level of the height of water level of the sump as the groundwater reservoir.Groundwater reservoir and sump connection are formed into a linker structure by connecting tube, according to law of connected vessels, the height of water level in sump is identical as the height of water level of groundwater reservoir.The height of water level of groundwater reservoir can be obtained using the height of water level of level measuring component measurement sump.To show invisible groundwater reservoir water level, with real-time monitoring groundwater reservoir water level.
Description
Technical field
The present invention relates to groundwater reservoir construction technique fields, and in particular to a kind of goaf groundwater reservoir intelligent monitoring and controlling device
And method.
Background technique
Goaf groundwater reservoir belongs to sealing space, and water level is difficult to observe, and when water is larger in goaf, may press
Collapse it is closed cause floods to flood nearby device, while closed destruction also will cause the release of a large amount of toxic and harmful gas, seriously
Mine safety production is influenced, so the real-time monitoring of water and control are to guarantee that the important of reservoir safety is arranged for groundwater reservoir
One of apply.There are many methods for water level monitoring at present, but for the water level monitoring of goaf groundwater reservoir, temporarily without very
Good intelligent monitoring method, main cause have:
Firstly, goaf country rock is complicated, monitoring probe can be caused greatly to destroy by being caving rock and top plate；Secondly, mined out
Area and groundwater reservoir etc. require to seal dam body and country rock, to prevent internal water and pernicious gas release, therefore for having
Its cable of the probe of line can not connect out at all, and for the equipment of wireless transmission signal, poor signal is transmitted, precision is not
Height, inside thick and solid dam body and water body, stability is very poor, and cost is prohibitively expensive, be not suitable for it is such under the conditions of use.
Summary of the invention
The present invention is intended to provide a kind of groundwater reservoir intelligent monitoring and controlling device and method, using simple, inexpensive, highly reliable
The mode of property is monitored the water level of groundwater reservoir.
The present invention provides a kind of groundwater reservoir water level monitoring device, comprising:
Connecting tube, the connecting hole through groundwater reservoir dam body bottom；
U-tube road, down-set positioned at the groundwater reservoir inner opening, first end is as water inlet, second end and institute
State the first end connection of connecting tube；
Sump, bottom have the water inlet with the second end connection of the connecting tube, the water inlet and the connecting hole
In same level；
Level measuring component is arranged in parallel with sump wall, measures the height of water level of the sump as the groundwater reservoir
Height of water level.
Optionally, in above-mentioned groundwater reservoir water level monitoring device, the level measuring component includes:
Graduated scale, be set to sump outer wall and with the sump outside wall parallel, bottom end hangs a gravitation ball, and top is logical
It crosses connecting line and is connect with the buoyant spheres being placed in the sump；The buoyancy phase that the gravity of the gravitation ball is subject to the buoyant spheres
Deng；
Mark post is fixed on the sump outer wall, and the scale value on the graduated scale that the mark post position is directed toward is as institute
State the height of water level of groundwater reservoir.
Optionally, in above-mentioned groundwater reservoir water level monitoring device, further includes:
Access port is opened at the top of the U-tube；
L-type pipe is set to inside the groundwater reservoir, and the first end of the L-type pipe and the access port seal connection, the
Two ends port are located in same level downward and with the second end port of the U-tube.
Optionally, in above-mentioned groundwater reservoir water level monitoring device, in the L-type pipe between vertical one side and the dam body
Distance be less than set distance threshold value.
Optionally, in above-mentioned groundwater reservoir water level monitoring device, further includes:
Protective frame is set to the periphery of the U-tube and the L-type pipe.
Optionally, in above-mentioned groundwater reservoir water level monitoring device, further includes:
High water level probe, is set in the sump, when the height of water level in the sump maintains an equal level or is more than that its institute is in place
The first excessively high signal of output characterization water level when setting；
Pump controller is drained, first input end receives the signal of high water level probe output, when receiving described the
When one signal, output end output draining control signal；
The connecting tube is additionally provided with drainage hole on tube wall；
Draining pump, end of drawing water are connect with the drainage hole, and it is defeated that control terminal receives the draining pump controller output end
Signal out is started after receiving the draining control signal and is operated with maximum (top) speed, and discharge ends will draw water from described
The water discharge that end is pumped into；
The feeder ear of the draining pump controller, the feeder ear of the draining pump connect with the explosion-proof electrical source in goaf
It connects.
Optionally, in above-mentioned groundwater reservoir water level monitoring device, further includes:
Low water level probe, is set in the sump, when the water level in the sump maintains an equal level or is lower than its position
The too low second signal of output characterization water level；
The draining pump controller, the second input terminal receives the signal of the low water level probe output, when receiving
When stating second signal, output end output stops the control signal of draining；
The draining pump, control terminal are closed after receiving the control signal for stopping draining.
Optionally, in above-mentioned groundwater reservoir water level monitoring device, the draining pump controller does not receive described first
When signal does not receive the second signal yet, the control signal of output end outputting standard operating；
The draining pump is operated after control terminal receives the control signal of the standard operation with rated rotational frequency, row
Water end (W.E.) will be discharged from the water that end is pumped into that draws water.
Optionally, in above-mentioned groundwater reservoir water level monitoring device, further includes:
Flow sensor for detecting the water flow of the draining pump discharge ends discharge, and exports characterization water flow size
Water flow signal；
The draining pump controller receives the water flow signal of the flow sensor output, if the draining pump controls
After the output end output draining control signal of device, the water flow signal is less than displacement threshold value, then the draining pump controller
Output end output reverse signal and after continuing preset time, the output end output stops the control signal of draining；
The draining pump, control terminal rotate backward after receiving the reverse signal, and control terminal receives described stop
Stop rotating backward after the control signal only drained；
Described device further includes the pipe that becomes silted up, and is coaxially disposed with the connecting tube, and caliber is greater than 300mm, in the draining
Pump stops rotating backward and the height of water level in the sump is more than opening after 3.5 meters.
The present invention also provides a kind of using any of the above item groundwater reservoir water level monitoring device to groundwater reservoir water level
The method being monitored.
Above-mentioned technical proposal provided by the invention compared with prior art, at least has the following beneficial effects: and passes through connection
Groundwater reservoir and sump connection are formed a linker structure by pipe, the height of water level and underground according to law of connected vessels, in sump
The height of water level of reservoir is identical.The water level that groundwater reservoir can be obtained using the height of water level of level measuring component measurement sump is high
Degree.To show invisible groundwater reservoir water level, with real-time monitoring groundwater reservoir water level.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of groundwater reservoir water level monitoring device described in one embodiment of the invention；
Fig. 2 is the structural schematic diagram of groundwater reservoir water level monitoring device described in another embodiment of the present invention；
Fig. 3 is the structural schematic diagram of groundwater reservoir water level monitoring device described in further embodiment of this invention；
Fig. 4 is the circuit diagram that high water level described in one embodiment of the invention talks probe.
Specific embodiment
Technical solution of the present invention described further below defines embodiment not in the following description in more detail
Same aspect.The various aspects so limited can be combined with any other one aspect or many aspects, unless explicitly stated otherwise not
It can combine.Especially being considered as preferred or advantageous any feature can be considered preferred with other one or more
Or advantageous feature is combined.
In the following description, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection of two component internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1
The present embodiment provides a kind of groundwater reservoir water level monitoring devices, as shown in Figure 1, including sump 200, connecting tube 301,
U-tube road 302 and level measuring component.The wherein connecting tube 301, the connecting hole through 100 bottom of groundwater reservoir dam body, institute
Stating connecting tube 301 is cylinder-shaped sleeve, diameter 180mm, connecting hole range bin bottom 200mm.The U-tube road 302 is located at described
Setting that groundwater reservoir is interior and Open Side Down, first end is as water inlet, the first end connection of second end and the connecting tube 301
Logical, Open Side Down that setting can be by U-tube road one section of pipe that Open Side Down when suction part rubble for the U-tube 302
It is precipitated downwards under gravity when road, avoids impurity rubble from entering in U-tube road and block, the cephalic par distance on U-tube road
Bottom 300mm or more avoids the rubble of accumulation from blocking the nozzle on U-tube road.In addition, the U-tube 302 is generally all placed on and leans on
The place of near-earth lower storage reservoir dam body 100, reduces the risk being subject to crushing；
The sump 200, bottom have a water inlet with the second end connection of the connecting tube 301, the water inlet with
The connecting hole is located in same level；That is, the groundwater reservoir and the sump 200 pass through 301 connection of connecting tube
After form linker structure, therefore the height of water level in the height of water level 201 in the sump 200 and the groundwater reservoir
101 is identical.Level measuring component is arranged in parallel with the sump wall, and the height of water level 201 for measuring the sump 200 is institute
State the height of water level of groundwater reservoir.The level measuring component can be accomplished in several ways, such as the sump wall is
Bright, then it directlys adopt graduated scale and is attached on the sump wall.A kind of implementation is provided in the present embodiment, as schemed institute
Show, the level measuring component includes:
Graduated scale 304, be set to sump outer wall and with the sump outside wall parallel, bottom end hang a gravitation ball 305,
Top is connect by connecting line with the buoyant spheres 303 being placed in the sump；The gravity of the gravitation ball 305 and the buoyant spheres
303 buoyancy that are subject to are equal；Mark post 306 is fixed on the sump outer wall, the graduated scale that 303 position of mark post is directed toward
Height of water level of the scale value as the groundwater reservoir on 304.Using before the level measuring component, can in advance to its into
Rower is fixed, such as the position when the height of water level in sump 200 is 1 meter, to the buoyant spheres 303 and the gravitation ball 305
After stabilization, the position of the mark post 306 and the graduated scale 304 is adjusted, the mark post 306 is made to be pointing exactly to the graduated scale
Calibration is completed in 1 meter of position on 304.
As shown, described device further includes the protective frame 307 that 302 outside of U-tube is arranged in, protective frame 307 can
Using a netted cube being welded by mining discarded anchor pole, main function is protection U-tube 302, prevents top plate slightly
Big rock damages pipeline by pressure, another effect is filtering sandstone, and sandstone of the diameter greater than 100mm is all blocked in outside.
Further, as shown, further including silt pipe 308 in described device, the diameter for removing silt pipe 308 is
The center of 300mm, center and the connecting tube 301 is located in same horizontal line, the two interval 400mm, goes to become silted up when opening and manage
When 308, mud and sandstone can be washed away using the self weight of water in groundwater reservoir.
In addition, being set to inside the groundwater reservoir as shown in Fig. 2, described device can also increase L-type pipe 309.Institute
It states and access port is set at the top of U-tube 302, the first end of the L-type pipe 309 and the access port seal connection, second end port
It is located in same level downward and with the second end port of the U-tube.And in order to avoid being destroyed by the falling rocks of dam crest, institute
It states the distance between vertical one side and the dam body in L-type pipe 309 and is less than set distance threshold value.The distance threshold can choose
2 meters.As shown, form the tube head similar to M type after L-type pipe and U-tube connection, the tube head of M type in two protective frames,
The size of each protective frame can be the cubic shaped that side length is 2200mm.There are two tube heads for M type tube head, when a plugging
When, another still can safely and steadily run, to further decrease the probability of pipeline blockage.
In the above scheme of the present embodiment, groundwater reservoir and 200 connection of sump are formed by a linker by connecting tube 301
Structure, according to law of connected vessels, the height of water level 201 in sump is identical as the height of water level 101 of groundwater reservoir.It is surveyed using water level
The height of water level of groundwater reservoir can be obtained in the height of water level of amount component measurement sump.Thus by invisible groundwater reservoir water level
It shows, with real-time monitoring groundwater reservoir water level.
Embodiment 2
The present embodiment provides a kind of groundwater reservoir water level monitoring devices, on the basis of each scheme of embodiment, further includes:
High water level probe 402, is set in the sump 200, when the height of water level in the sump maintains an equal level or is more than it
The first excessively high signal of output characterization water level when position；It can use pressure sensor, and position can be by people
Work is set according to historical experience value.Pump controller 400 is drained, it is defeated that first input end receives the high water level probe 402
Signal out, when receiving first signal, output end output draining control signal；The connecting tube 301, on tube wall
It is additionally provided with drainage hole；Multistage pressure pump may be selected in draining pump 401, and end of drawing water is connect with the drainage hole, control terminal
The signal for receiving draining 400 output end of the pump controller output starts and after receiving the draining control signal with most
Big rotation speed operation, discharge ends will be discharged from the water that end is pumped into that draws water；The feeder ear of the draining pump controller 400, institute
The feeder ear for stating draining pump 401 is connect with the explosion-proof electrical source in goaf.Underground light can be passed through between the above all parts
Cable or cable realize the transmission of data, and the wireless transmission of data can also be realized by way of wireless communication module is arranged.
In above scheme, whether the height of water level in the 402 monitoring sump 200 that can be popped one's head in by high water level is more than threshold value,
Also it is achieved that whether the height of water level in automatic monitoring groundwater reservoir is more than allowed band, when the water level of groundwater reservoir is excessively high
When, draining pump controller 400 can control draining pump and be drawn water pressure duty with maximum, the water in groundwater reservoir is discharged as early as possible, and
The discharge ends of draining pump can be directly connected to underground, and other need the water inlet end of the component with water, can also direct and reservoir phase
Connection, directly will discharge water import reservoir in give it is spare, thus, it is possible to protected in time when water level is excessively high reservoir or
Goaf safety.
Preferably, above-mentioned apparatus can also include low water level probe 403, be set in the sump 200, when the sump
In water level maintain an equal level or output characterization water level too low second signal when lower than its position；The draining pump controller 400,
Its second input terminal receives the signal of 403 output of low water level probe, when receiving the second signal, output end output
Stop the control signal of draining；The draining pump 401, control terminal are closed after receiving the control signal for stopping draining.
The low water level probe 403 can also use pressure sensor, determine height of water level by detecting the pressure value of water.The program
In, when the water level in groundwater reservoir is too low, draining pump stops working.
More than, as shown in figure 4, high water level probe can be realized in the following way, comprising:
First resistor piece 41, the first level output end electricity that first end passes through conducting wire and the draining pump controller 400
Connection；Second resistance piece 42 is spaced set distance between first end and the first resistor piece 41, and second end passes through conducting wire
It is electrically connected with the second electrical level output end of the draining pump controller 400；Height of water level in the sump 200 maintains an equal level or is more than
It when its position, is connected between the first resistor piece 41 and the second resistance piece 42 by water, the draining pump control
Device 400, the first resistor piece 41 and the second resistance piece 42 forming circuit, flow through the first resistor piece 41 and described the
The current signal of two resistor discs 42 is as first signal.
Same principle, the low water level probe 403 can also use structure shown in Fig. 4.In this case, when low
When water-level probe 403 and high water level probe 402 issue signal, illustrating water level i.e. is more than that low water level probe position is more than again
High water level probe position, the signal of high water level of being subject at this time probe 402.
In addition to this, if the draining pump controller 400 does not receive first signal and do not receive described yet
When binary signal, the control signal of output end outputting standard operating；The draining pump 401, control terminal receive the standard fortune
It after the control signal turned, is operated with rated rotational frequency, discharge ends will be discharged from the water that end is pumped into that draws water.That is sump
In height of water level be located at pop one's head in 403 positions and high water level of low water level and pop one's head between 402 positions, illustrate water level at this time
Normally, draining pump is operated according to normal operating pressure.
It further, further include flow sensor in above-mentioned apparatus, for detecting 401 discharge ends of the draining pump discharge
Water flow, and export the water flow signal of characterization water flow size；The draining pump controller 400, receives the flow sensing
The water flow signal of device output, if after the output end output draining control signal of the draining pump controller 400, the water flow
Signal is less than displacement threshold value, then after the output end of the draining pump controller 400 exports reverse signal and continues preset time,
The output end output stops the control signal of draining；The draining pump 401, control terminal receive anti-after the reverse signal
To rotation, control terminal stops rotating backward after receiving the control signal for stopping draining；When the draining pump controller
After 400 output draining control signals, if the water flow of draining pump discharge is too small, illustrate U-tube or L-type pipe or connecting tube
In must be that clogging has occurred, drain pump controller control draining pump reversion, i.e. backward erosion pipeline, discharge blocking at this time
The impurity such as the rubble of pipeline.When the draining pump stops rotating backward and height of water level in the sump is more than after 3.5 meters
Opening is gone to become silted up and be managed, and further washes away rubble using the gravity of water.
Above scheme in through this embodiment is not only able to automatically monitor level of ground water height value automatically, also
It can be realized and automatically adjust to the water level in groundwater reservoir, Auto-drainage is realized when water level is excessively high, to guarantee goaf
With the safety of groundwater reservoir.
Embodiment 3
The present embodiment provides groundwater reservoir water level monitoring devices described in a kind of embodiment 1 or embodiment 2 to groundwater reservoir water
The method that position is monitored.When concrete application, a connecting hole, connecting hole directly can be made a call in the bottom of goaf groundwater reservoir dam body
Height can be for 250mm or so, the diameter of connecting hole and the diameter of connecting tube are adapted.It will be filled in embodiment 1 or embodiment 2
Setting that the U-tube set is placed in groundwater reservoir and Open Side Down, the first end of connecting tube is protruded into connecting hole, with U-tube
The other end of one end connection, connecting tube is directly protruding into inside sump.Thus the water of groundwater reservoir is made to enter sump by connecting tube
In, also sump is connected to groundwater reservoir by connecting tube, forms linker.It can measure to obtain by water level detecting component
Height of water level in sump, according to law of connected vessels, the height of water level in sump is the height of water level of groundwater reservoir.Using upper
Scheme is stated for goaf groundwater reservoir monitoring water level, it is simple, accurate and at low cost.
When needing the water to groundwater reservoir to carry out intelligent control, draining can be set according to mode as described in example 2
The associated components such as pump, draining pump controller, high water level probe, low water level probe.By automatic level monitoring height change, to row
The revolving speed of water pump and steering are controlled, and realize the intelligent control of groundwater reservoir water level.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of groundwater reservoir water level monitoring device characterized by comprising
Connecting tube, the connecting hole through groundwater reservoir dam body bottom；
U-tube road, down-set positioned at the groundwater reservoir inner opening, first end is as water inlet, second end and the company
The first end connection of adapter tube；
Sump, bottom have the water inlet with the second end connection of the connecting tube, and the water inlet is located at the connecting hole
In same level；
Level measuring component is arranged in parallel with sump wall, measures water of the height of water level of the sump as the groundwater reservoir
Position height；
Further include:
Access port is opened at the top of the U-tube；
L-type pipe is set to inside the groundwater reservoir, and the first end of the L-type pipe and the access port seal connection, second end
Port is located in same level downward and with the second end port of the U-tube；
The distance between vertical one side and the dam body are less than set distance threshold value in the L-type pipe；
Further include protective frame, is set to the periphery of the U-tube and the L-type pipe.
2. groundwater reservoir water level monitoring device according to claim 1, which is characterized in that the level measuring component packet
It includes:
Graduated scale, be set to sump outer wall and with the sump outside wall parallel, bottom end hang a gravitation ball, top passes through company
Wiring is connect with the buoyant spheres being placed in the sump；The gravity of the gravitation ball is equal with the buoyancy that the buoyant spheres are subject to；
Mark post is fixed on the sump outer wall, and the scale value on the graduated scale that the mark post position is directed toward is as describedly
The height of water level of lower storage reservoir.
3. groundwater reservoir water level monitoring device according to claim 1 or 2, which is characterized in that further include:
High water level probe, is set in the sump, when the height of water level in the sump maintains an equal level or is more than its position
The first excessively high signal of output characterization water level；
Pump controller is drained, first input end receives the signal of the high water level probe output, believes when receiving described first
Number when, output end output draining control signal；
The connecting tube is additionally provided with drainage hole on tube wall；
Draining pump, end of drawing water are connect with the drainage hole, and control terminal receives the draining pump controller output end output
Signal is started after receiving the draining control signal and is operated with maximum (top) speed, and discharge ends will take out from the end of drawing water
The water discharge entered；
The feeder ear of the draining pump controller, the feeder ear of the draining pump are connect with the explosion-proof electrical source in goaf.
4. groundwater reservoir water level monitoring device according to claim 3, which is characterized in that further include:
Low water level probe, is set in the sump, exports when the water level in the sump is fair or lower than its position
Characterize the too low second signal of water level；
The draining pump controller, the second input terminal receive the signal of low water level probe output, when receiving described the
When binary signal, output end output stops the control signal of draining；
The draining pump, control terminal are closed after receiving the control signal for stopping draining.
5. groundwater reservoir water level monitoring device according to claim 4, it is characterised in that:
The draining pump controller, when not receiving first signal and not receiving the second signal yet, output end output
The control signal of standard operation；
The draining pump is operated, discharge ends after control terminal receives the control signal of the standard operation with rated rotational frequency
The water discharge that will be pumped into from the end of drawing water.
6. groundwater reservoir water level monitoring device according to claim 5, which is characterized in that further include:
Flow sensor for detecting the water flow of the draining pump discharge ends discharge, and exports the water of characterization water flow size
Flow signal；
The draining pump controller receives the water flow signal of the flow sensor output, if the draining pump controller
After output end output draining control signal, the water flow signal is less than displacement threshold value, then the draining pump controller is defeated
After outlet exports reverse signal and continues preset time, the output end output stops the control signal of draining；
The draining pump, control terminal rotate backward after receiving the reverse signal, and control terminal receives the stopping row
Stop rotating backward after the control signal of water；
Described device further includes the pipe that becomes silted up, and is coaxially disposed with the connecting tube, and caliber is greater than 300mm, is stopped in the draining pump
It only rotates backward and the height of water level in the sump is more than opening after 3.5 meters.
7. a kind of be monitored groundwater reservoir water level using any one of the claim 1-6 groundwater reservoir water level monitoring device
Method.
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| CN108168648A (en) * | 2018-03-06 | 2018-06-15 | 北京圣世信通科技发展有限公司 | A kind of underground water artesian well water level monitoring priming device |
| CN109442206A (en) * | 2018-12-21 | 2019-03-08 | 张家港富瑞深冷科技有限公司 | A kind of vacuum insulation deep cooling pressure vessel |
| CN113926042B (en) * | 2021-09-14 | 2024-03-19 | 湖南明康中锦医疗科技发展有限公司 | Humidification device with water level monitoring function, water level monitoring method and equipment |
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