CN107655545B - Ground pile type water level monitoring device and water level monitoring method - Google Patents
Ground pile type water level monitoring device and water level monitoring method Download PDFInfo
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- CN107655545B CN107655545B CN201711057765.9A CN201711057765A CN107655545B CN 107655545 B CN107655545 B CN 107655545B CN 201711057765 A CN201711057765 A CN 201711057765A CN 107655545 B CN107655545 B CN 107655545B
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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
- G01F23/296—Acoustic waves
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- Acoustics & Sound (AREA)
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- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention relates to a ground pile type water level monitoring device which comprises an outer cylinder and a water level monitoring unit, wherein the outer cylinder is fixed below the ground of a water level to be monitored and at least partially arranged in the ground, the water level monitoring unit is arranged in the outer cylinder, and the water level monitoring unit is used for identifying the start of the water level monitoring when water is accumulated outside the outer cylinder. The invention also relates to a ground pile type water level monitoring method. The ground pile type water level monitoring device is arranged below a position to be detected, and has the advantages of convenience in installation and maintenance and difficulty in being influenced by temperature.
Description
Technical Field
The invention relates to the field of water level monitoring, in particular to a ground pile type water level monitoring device and a water level monitoring method.
Background
In recent years, China is affected by extreme weather, rainstorm occurs frequently in all regions, urban waterlogging is increasingly serious, and the conditions that roads are flooded, garages enter water and the like are very serious when a lot of cities are subjected to rainstorm. Under the condition that the urban drainage system cannot rapidly solve the problem of waterlogging, timely monitoring and early warning of possibly existing flooded areas are very important. The traffic can be dredged in time for the area which sends out the early warning, and the owner can be informed in time, so that the disaster can be avoided from happening again.
The existing water level monitoring generally adopts sensors such as a float type sensor, a pressure type sensor, an ultrasonic type sensor or a radar type sensor, and the problems of complex installation and maintenance, high construction difficulty and high manufacturing cost generally exist in the practical application process of the water level sensor. For example, the existing ultrasonic water level meter is generally installed above a position to be measured, and a supporting rod is often required to be specially erected, so that the construction difficulty is high, the manufacturing cost is high, and the maintenance is not convenient. In addition, as the propagation speed of the ultrasonic waves in the air is greatly influenced by the temperature, temperature compensation needs to be designed, the structure is relatively complex, and the cost is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a ground pile type water level monitoring device and a water level monitoring method installed below a position to be monitored are provided.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a ground stake formula water level monitoring devices, includes outer barrel and water level monitoring unit, outer barrel is fixed in the below ground of treating the monitoring water level and at least partially locates in the ground, water level monitoring unit locates the inside of outer barrel, water level monitoring unit starts the monitoring water level when being used for discerning outer barrel outside ponding appearing.
Furthermore, the water level monitoring unit comprises a water level monitoring circuit and two water level starting contacts, the two water level starting contacts are respectively and electrically connected with the water level monitoring circuit, and the two water level starting contacts are respectively exposed out of the outer barrel and are arranged at intervals.
The water level starting device comprises an outer barrel, and is characterized by further comprising a sealing cover, wherein the outer barrel is provided with an opening, the sealing cover is arranged at the opening of the outer barrel, the sealing cover is provided with two starting contact mounting through holes, and the two water level starting contacts are correspondingly arranged in the two starting contact mounting through holes respectively and expose the upper surface of the sealing cover.
Furthermore, the water level monitoring unit further comprises an ultrasonic probe, the ultrasonic probe is electrically connected with the water level monitoring circuit, a probe fixing groove is formed in the inner surface of the sealing cover, and the ultrasonic probe is arranged in the probe fixing groove.
Further, the water level monitoring unit further comprises a communication module and/or an intelligent water level monitoring module, and the communication module is used for communicating and exchanging data with a remote data center; the intelligent water level monitoring module carries out data analysis on the water level which is continuously monitored, judges the water level change trend, intelligently changes the monitoring frequency, reduces the monitoring frequency when the water level of the accumulated water is kept at a certain level for a long time, and increases the monitoring frequency when the water level rapidly rises or falls.
Further, the upper surface of the sealing cover forms a region block higher than other surfaces at a position corresponding to the probe fixing groove and/or the actuating contact mounting through hole.
Further, still include collar and at least one seal ring, the upper surface of sealed lid periphery forms the annular installation department that matches this collar, seal ring pad is located sealed lid with between the outer barrel, sealed lid with the opening of outer barrel passes through collar seal fit.
Further, the thickness of the mounting ring is the same as the depth of the annular mounting part,
further, the water level monitoring unit is detachably arranged inside the outer cylinder.
Further, still include interior barrel, interior barrel detachably cover is located in the urceolus, water level monitoring unit locates in the inner tube.
Further, the inner barrel body and the outer barrel body are provided with a gap, and when water is accumulated outside the outer barrel body, the accumulated water enters the gap.
Further, outer barrel has the upper end part of great diameter, the lower part of less diameter and the brace table that forms between it, be equipped with a plurality of screw holes on the brace table, interior barrel have with the structure of outer barrel mutually supporting, interior barrel all is equipped with the opening from top to bottom with outer barrel, it is internal that interior barrel is established into the urceolus through the opening cover of outer barrel.
Further, still include sealed lid, sealed lid seals the opening of interior barrel to sealed the opening of outer barrel.
Furthermore, the water level monitoring device further comprises a circuit fixing sleeve, the water level monitoring unit is arranged in the circuit fixing sleeve, and the circuit fixing sleeve is arranged in the inner cylinder.
Further, the water level monitoring device further comprises a power supply and an elastic part (such as a battery and a spring), wherein the elastic part and the power supply are respectively arranged between the inner bottom of the inner cylinder and the outer bottom of the circuit fixing sleeve, and the power supply is electrically connected with the water level monitoring circuit.
A ground pile type water level monitoring method is characterized in that a device for monitoring water level is installed below the ground.
The invention has the beneficial effects that:
(1) the outer cylinder body is fixed below the ground of the water level to be monitored, and compared with the existing monitoring device arranged above the position to be monitored, the outer cylinder body does not need to be specially erected with a supporting rod and other similar structures. When the water level monitoring device is installed, a mounting hole which is slightly larger than the size of the outer cylinder body is only needed to be drilled at the selected mounting point, then the outer cylinder body is fixed in the mounting hole, for example, a proper amount of quick-drying cement slurry is put into the mounting hole, then the water level monitoring device is put into the mounting hole and is pressed to the road surface, and then the installation of the water level monitoring device is completed. Namely, the water level monitoring device is installed on the road surface like a ground pile. When needing to maintain or when the monitoring point no longer waterlogging after city transformation and select to move dress water level monitoring device, only need take out interior barrel, outer barrel stay in the original place can. Has the advantages of convenient installation and maintenance;
(2) the water level monitoring unit is sealed to be located the inside of outer barrel, when ponding appeared in the outer barrel outside, water level monitoring unit starts the monitoring water level, promptly, does not have under the condition of ponding externally, is in complete silence, gets into super low-power consumption standby state, just starts when the outside has ponding and gets into the monitoring state.
Drawings
Fig. 1 is an overall schematic view of a ground pile type water level monitoring device according to an embodiment of the invention;
FIG. 2 is an exploded perspective view of the ground pile type water level monitoring apparatus shown in FIG. 1;
fig. 3 is a schematic block diagram illustrating a water level sensing unit of the ground pile type water level monitoring apparatus shown in fig. 1.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: and installing the water level monitoring device below the position to be measured.
The invention protects a ground pile type water level monitoring device, which comprises:
the outer cylinder body is fixed in a mounting hole of the ground of the water level to be monitored when the outer cylinder body is mounted;
the inner cylinder body is detachably sleeved in the outer cylinder body and provided with an opening;
the water level monitoring unit comprises a water level monitoring circuit, two starting contacts electrically connected with the water level monitoring circuit and an ultrasonic probe, and is arranged in the inner cylinder body;
and a sealing cover which is in sealing fit with the opening of the inner cylinder body to seal the water level monitoring unit in the inner cylinder body; the sealing cover comprises a probe fixing groove and two spaced starting contact mounting through holes, the probe fixing groove is formed in the inner surface of the sealing cover, the ultrasonic probe is mounted in the probe fixing groove, the two starting contacts are respectively mounted in the two starting contact mounting through holes in a sealing mode and exposed out of the upper surface of the sealing cover, when water is accumulated, the two starting contacts are communicated, and the water level monitoring unit is started to start monitoring.
Further, outer barrel has the upper end part of great diameter, the lower part of less diameter and the brace table that forms between it, be equipped with a plurality of screw holes on the brace table, interior barrel have with the structure of mutually supporting of outer barrel, during the equipment interior barrel inserts outer barrel and will through the screw interior barrel is fixed to in the outer barrel.
Furthermore, a gap is reserved between the inner barrel and the outer barrel, and accumulated water can enter the gap to dissipate heat of the water level monitoring unit and ensure normal work of the water level monitoring unit.
Furthermore, the upper surface of the sealing cover forms an area block higher than other surfaces at the position corresponding to the probe fixing groove and/or the starting contact mounting through hole, so that the probe and/or the starting contact are not easy to accumulate sand to cause misjudgment and/or the monitoring unit is not easy to be started by mistake.
Further, the water level monitoring device further comprises a circuit fixing sleeve, the water level monitoring circuit is installed in the circuit fixing sleeve, and the circuit fixing sleeve is sleeved in the inner cylinder body.
Further, still include battery and spring, spring and battery set up in between the interior bottom of interior barrel with the outer bottom of circuit fixed sleeve, the battery with the water level monitoring circuit electricity is connected, thereby for the power supply of water level monitoring unit.
Further, still include a collar and at least one seal ring, the upper surface periphery of sealed lid forms the annular installation department that matches this collar, seal ring pad is located sealed lid with between the interior barrel, through collar fastening connection installation and make sealed lid with the opening of interior barrel is sealed the cooperation.
Further, the thickness of the mounting ring is the same as the depth of the annular mounting portion, so that the mounting ring and the sealing cover form a flat surface.
Further, the water level monitoring unit further comprises a communication module for communicating and exchanging data with a remote data center.
Furthermore, the water level monitoring unit is provided with an intelligent water level monitoring module, the intelligent water level monitoring module carries out data analysis on the continuously monitored water level, the change trend of the water level is judged, so that the monitoring frequency is intelligently changed, the monitoring frequency is reduced when the water level of the accumulated water is kept at a certain level for a long time, and the monitoring frequency is increased when the water level rapidly rises or falls.
From the above description, the beneficial effects of the present invention are:
(1) the installation is maintained conveniently, only needs to bore a mounting hole that is bigger than outer barrel size slightly at selected mounting point, then puts into proper amount rapid-curing cutback cement oar in the mounting hole, puts into the mounting hole with water level monitoring device again, flattens to the road surface, accomplishes water level monitoring device installation promptly, and water level monitoring device installs the road surface like the ground stake promptly. When needing to maintain or when the monitoring point no longer waterlogging after city transformation and select to move dress water level monitoring device, only need take out interior barrel, outer barrel stay in the original place can.
(2) Intelligent frequency conversion monitoring, meet water intelligence and start, the standby of ultra-low power consumption is long more than 2 years. The water level monitoring device is provided with a high-capacity rechargeable lithium battery, is in complete silence under the condition that no accumulated water exists outside, closes communication, closes a sensor and other circuit modules which do not need to be started, enters an ultra-low power consumption standby state, and is started to enter a monitoring state when accumulated water exists outside. The intelligent water level monitoring module carries out data analysis on the water level which is continuously monitored, judges the change trend of the water level, intelligently changes the monitoring frequency, reduces the monitoring frequency when the water level of the accumulated water is kept at a certain level for a long time, and increases the monitoring frequency when the water level rapidly rises or falls.
(3) Remote communication, real-time monitoring of accumulated water and active reporting to a server.
Referring to fig. 1, 2 and 3, a first embodiment of the present invention is:
the ground pile type water level monitoring apparatus 1 of the present embodiment may include an outer cylinder 10 fixed in the ground where the water level is to be monitored like a ground pile at the time of installation, an inner cylinder 20 detachably installed within the outer cylinder 10, a water level monitoring unit 30 installed within the inner cylinder 20, and a sealing cover 40. The outer cylinder 10 includes a larger-diameter upper end portion 11, a smaller-diameter lower portion 12, and a support table 13 formed therebetween, and the support table 13 is provided with a plurality of threaded holes 14, although in the present embodiment, 4 threaded holes are provided at even intervals in the circumferential direction, the number of threaded holes 14 is not limited. The inner cylinder 20 has a similar and interfitting configuration to the outer cylinder 10, namely an upper end portion 21 also having a larger diameter, a lower portion 22 of a smaller diameter and a support platform 23 formed therebetween, the support platform 23 also being provided with a plurality of threaded holes 24 corresponding to the threaded holes 14. Further, the top end of the upper end portion 21 is provided with a flange 25, and the outer diameter of the flange 25 is the same as the outer diameter of the upper end portion 11 of the outer cylinder 10. When assembled, the lower portion 21 of the inner cylinder 20 is inserted into the lower portion 11 of the outer cylinder 10, the inner cylinder 20 is supported on the upper surface of the support base 13 of the outer cylinder 10 by the lower surface of the support base 23, and the screw holes 14 and 24 are aligned and then screws or bolts (not shown) are inserted into the screw holes 14 and 24 and locked, completing the fixed mounting of the inner cylinder 20 in the outer cylinder 10. Only one preferred fitting installation structure between the outer cylinder 10 and the inner cylinder 20 is shown here, but the fitting structure therebetween is not limited thereto. A gap is formed between the inner cylinder body 20 and the outer cylinder body 10, and accumulated water can enter the gap to dissipate heat of the water level monitoring unit and ensure normal operation of the water level monitoring unit.
The water level monitoring unit 30 may include a water level monitoring circuit 31, two actuating contacts 32 electrically connected to the water level monitoring circuit 31, and an ultrasonic probe 33. The sealing cover 40 is in sealing engagement with the opening of the inner cylinder 20 to seal the water level monitoring unit 30 within the inner cylinder 10. The sealing cover 40 includes a probe mounting groove 41 provided on an inner surface and a starting contact mounting through-hole 42 provided at a distance. The ultrasonic probe 33 is installed in the probe installation groove 41, and the two starting contacts 32 are respectively installed in the two starting contact installation through holes 42 and exposed to the upper surface of the sealing cover 40. The upper surface of the sealing cover 40 forms an area block, i.e., a sand accumulation groove 43, higher than other surfaces at a position corresponding to the probe fixing groove 41 and/or the starting contact mounting through hole 42, so that the probe and/or the starting contact are not easily accumulated with sand to cause misjudgment and/or the monitoring unit is not easily started by mistake.
In addition, the water level monitoring device 1 may further include a mounting ring 70 and at least one sealing gasket (not shown). The outer circumference of the upper surface of the sealing cover 40 forms an annular mounting part 45 matching with the mounting ring 70, the sealing gasket is arranged between the sealing cover 40 and the inner cylinder body 20, and the sealing cover 40 is tightly connected and mounted through the mounting ring 70 so as to be in sealing fit with the opening of the inner cylinder body 20. In this embodiment, the annular mounting portion 45 and the mounting ring 70 are provided with threaded through holes 44 and 74, respectively, that correspond to the threaded holes 24 of the inner barrel 20. Thus, the outer cylinder 10, the inner cylinder 20, the sealing cover 40 and the mounting ring 70 can be fixedly mounted together only by four screws or bolts. Wherein the thickness of the mounting ring 70 is the same as the depth of the annular mounting portion 45, so that the mounting ring 70 forms a flat surface with the sealing cover 40.
In addition, the water level monitoring device 1 may further include a circuit fixing sleeve 50, the circuit fixing sleeve 50 having a structure to be fittingly mounted with the inner cylinder 20 and having a flange 51 at an upper end thereof, the flange 51 being provided with a screw hole 54 corresponding to the screw hole 24 of the inner cylinder 20. The water level monitoring circuit 30 is installed in the circuit fixing sleeve 50, and the circuit fixing sleeve 50 is installed in the inner cylinder 20 in a sleeving manner and passes through. This structure facilitates installation and maintenance.
In addition, the water level monitoring apparatus 1 further includes a battery 60 and a spring (not shown) disposed between the inner bottom of the inner cylinder 20 and the outer bottom of the circuit fixing sleeve 50 to fix the battery within the inner cylinder 20. The battery 60 is electrically connected to the water level monitoring circuit 31 to supply power to the water level monitoring unit 30. Preferably, battery 60 is a rechargeable lithium battery with a capacity greater than 13000mAh, 12V.
In addition, the water level monitoring device 1 further comprises a remote communication module 80, and the remote communication module 80 is electrically connected with the water level detection unit 30 for communication and data exchange with a remote data center. The telecommunications module 80 is prior art and will not be described further herein.
In addition, the water level monitoring device 1 further includes an intelligent water level monitoring module embedded in the microprocessor of the water level monitoring device 1. The intelligent water level monitoring module carries out data analysis on the water level which is continuously monitored, judges the water level change trend, intelligently changes the monitoring frequency, reduces the monitoring frequency when the water level of the accumulated water is kept at a certain level for a long time, and increases the monitoring frequency when the water level rapidly rises or falls.
Now, the installation and operation principle of the water level monitoring device will be briefly described. Drilling a mounting hole which is slightly larger than the size of the outer cylinder body at a selected mounting point, then putting a proper amount of quick-drying cement slurry into the mounting hole, putting the water level monitoring device into the pressing hole, and pressing the water level monitoring device to a road surface to finish the mounting of the water level monitoring device. The ground pile type water level monitoring device is arranged below a position to be measured, and at least part of the ground pile type water level monitoring device is arranged below the ground, namely, part of the ground pile type water level monitoring device is arranged to protrude out of the road surface after being arranged in the mounting hole, and the ground pile type water level monitoring device can be completely pressed into the ground until the ground pile type water level monitoring device is pressed to the road surface. When needing to maintain or when the monitoring point no longer waterlogging after transforming and select to move when adorning water level monitoring device, only need take out interior barrel, outer barrel stay in the original place can. After the installation is finished, the water level monitoring device is in an ultra-low power consumption standby state, namely, the remote communication, the detection circuit, the probe and the like are closed at the moment. When the accumulated water conducts the starting contact, the water level monitoring device is started to enter a monitoring state. Meanwhile, the intelligent water level monitoring module carries out data analysis on the water level which is continuously monitored, the monitoring frequency is intelligently changed by judging the water level change trend, the monitoring frequency is reduced when the water level of the accumulated water is kept at a certain level for a long time, and the monitoring frequency is increased when the water level rapidly rises or falls. The monitored water level may be transmitted to a remote data center for further processing via a remote communication module.
In conclusion, the ground pile type water level monitoring device provided by the invention has the advantages of convenience in installation and maintenance and difficulty in being influenced by temperature.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (15)
1. The utility model provides a ground stake formula water level monitoring device, its characterized in that, includes outer barrel and water level monitoring unit, outer barrel is fixed in the below ground of waiting to monitor the water level and at least partially locates in the ground, water level monitoring unit locates the inside of outer barrel, water level monitoring unit is used for discerning and starts the monitoring water level when the outer barrel outside ponding appears.
2. The ground pile type water level monitoring device according to claim 1, wherein the water level monitoring unit comprises a water level monitoring circuit and two water level starting contacts, the two water level starting contacts are respectively and electrically connected with the water level monitoring circuit, and the two water level starting contacts are respectively exposed out of the outer cylinder body and are arranged at intervals.
3. The ground pile type water level monitoring device according to claim 2, further comprising a sealing cover, wherein the outer cylinder is provided with an opening, the sealing cover is arranged at the opening of the outer cylinder, the sealing cover is provided with two starting contact mounting through holes, and the two water level starting contacts are correspondingly arranged in the two starting contact mounting through holes respectively and expose the upper surface of the sealing cover.
4. The ground pile type water level monitoring device according to claim 3, wherein the water level monitoring unit further comprises an ultrasonic probe electrically connected with the water level monitoring circuit, a probe fixing groove is formed on an inner surface of the sealing cover, and the ultrasonic probe is arranged in the probe fixing groove.
5. The ground pile type water level monitoring device according to claim 3 or 4, wherein the water level monitoring unit further comprises a communication module and/or an intelligent water level monitoring module, and the communication module is used for communication and data exchange with a remote data center; the intelligent water level monitoring module carries out data analysis on the water level which is continuously monitored, judges the water level change trend, intelligently changes the monitoring frequency, reduces the monitoring frequency when the water level of the accumulated water is kept at a certain level for a long time, and increases the monitoring frequency when the water level rapidly rises or falls.
6. The ground pile type water level monitoring device according to claim 3 or 4, wherein the upper surface of the sealing cover forms an area block higher than other surfaces at a position corresponding to the probe fixing groove and/or the starting contact mounting through hole.
7. The ground pile type water level monitoring device according to claim 3 or 4, further comprising a mounting ring and at least one sealing gasket, wherein an annular mounting part matched with the mounting ring is formed on the outer periphery of the upper surface of the sealing cover, the sealing gasket is arranged between the sealing cover and the outer cylinder body, and the sealing cover is in sealing fit with the opening of the outer cylinder body through the mounting ring.
8. The ground pile type water level monitoring device according to claim 7, wherein the thickness of the mounting ring is the same as the depth of the annular mounting portion.
9. The ground pile type water level monitoring device according to any one of claims 1-4, wherein the water level monitoring unit is detachably provided inside the outer cylinder.
10. The ground pile type water level monitoring device according to claim 9, further comprising an inner cylinder detachably sleeved in the outer cylinder, wherein the water level monitoring unit is arranged in the inner cylinder.
11. The ground pile type water level monitoring device according to claim 10, wherein the outer cylinder has an upper end portion with a larger diameter, a lower end portion with a smaller diameter and a supporting platform formed therebetween, the supporting platform is provided with a plurality of threaded holes, the inner cylinder has a structure matched with the outer cylinder, the inner cylinder and the outer cylinder are provided with openings from top to bottom, and the inner cylinder is sleeved into the outer cylinder through the openings of the outer cylinder.
12. The ground pile type water level monitoring device according to claim 11, further comprising a sealing cover sealing the opening of the inner cylinder to seal the opening of the outer cylinder.
13. The ground pile type water level monitoring device according to claim 10 or 12, further comprising a circuit fixing sleeve, wherein the water level monitoring unit is arranged in the circuit fixing sleeve, and the circuit fixing sleeve is arranged in the inner barrel.
14. The ground pile type water level monitoring device according to claim 10 or 12, further comprising a power supply and an elastic member, wherein the elastic member and the power supply are respectively disposed between the inner bottom of the inner cylinder and the outer bottom of the circuit fixing sleeve, and the power supply is electrically connected to the water level monitoring circuit.
15. A monitoring method of the ground pile type water level monitoring device 1-14 is characterized in that the device for monitoring the water level is installed below the ground, specifically, a mounting hole is drilled at a selected installation point, and the water level monitoring device is placed in the mounting hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957181.6A CN106643981A (en) | 2016-11-03 | 2016-11-03 | Ground pile type water level monitoring device |
| CN2016109571816 | 2016-11-03 |
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| Publication Number | Publication Date |
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| CN107655545A CN107655545A (en) | 2018-02-02 |
| CN107655545B true CN107655545B (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610957181.6A Pending CN106643981A (en) | 2016-11-03 | 2016-11-03 | Ground pile type water level monitoring device |
| CN201711057765.9A Active CN107655545B (en) | 2016-11-03 | 2017-11-01 | Ground pile type water level monitoring device and water level monitoring method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610957181.6A Pending CN106643981A (en) | 2016-11-03 | 2016-11-03 | Ground pile type water level monitoring device |
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| CN111006745A (en) * | 2019-12-27 | 2020-04-14 | 北京博雅天安信息技术有限公司 | Urban waterlogging water level acquisition method |
| CN112697224B (en) * | 2021-03-23 | 2021-07-23 | 常州江苏大学工程技术研究院 | Embedded liquid level detector convenient to maintain and embedding method |
| CN117968799B (en) * | 2024-03-29 | 2024-06-14 | 河南厚鼎建设工程有限公司 | Urban waterlogging ponding detection device |
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| JP6281148B2 (en) * | 2013-09-19 | 2018-02-21 | 学校法人立命館 | Permeability test apparatus and permeability test method |
| CN204630637U (en) * | 2015-06-01 | 2015-09-09 | 南通天蓝环保能源成套设备有限公司 | A kind of cesspool ultrasonic level gage mounting bracket |
| CN105424139B (en) * | 2015-11-05 | 2018-08-28 | 河海大学 | Level of ground water plugging meter devices and methods therefor based on ultrasonic wave negative pressure |
| CN105716687B (en) * | 2016-01-25 | 2019-06-07 | 福建三鑫隆信息技术开发股份有限公司 | A kind of Urban Waterlogging intelligent early-warning system based on well lid |
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| CN107655545A (en) | 2018-02-02 |
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