CN216206809U - Underground water level monitoring alarm device - Google Patents
Underground water level monitoring alarm device Download PDFInfo
- Publication number
- CN216206809U CN216206809U CN202122366675.6U CN202122366675U CN216206809U CN 216206809 U CN216206809 U CN 216206809U CN 202122366675 U CN202122366675 U CN 202122366675U CN 216206809 U CN216206809 U CN 216206809U
- Authority
- CN
- China
- Prior art keywords
- water level
- pressure sensor
- liquid density
- sensor
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an underground water level monitoring and alarming device, which utilizes a water level pipe with an axial through hole structure as a water level communicating structure beside a foundation pit, then a pressure sensor and a liquid density sensor are arranged at the bottom in the water level pipe, the density and the generated pressure value of the water level under different environments can be obtained by utilizing the pressure sensor and the liquid density sensor, and the corresponding water level height can be obtained according to the density and the generated pressure value, thereby realizing the monitoring of the water level, having simple structure, convenient maintenance, real-time monitoring of the water level condition of the foundation pit, convenient use and labor saving, overcoming the problems of complex and serious lagged traditional measuring methods, providing accurate data for guiding construction, early warning the disaster of the foundation pit, improving the mechanization and informatization level of the engineering construction of the foundation pit, adopting a PLC controller to realize the purpose of automatic monitoring and alarming, the structure is simple, and the automation is realized.
Description
Technical Field
The utility model belongs to the field of underground water level monitoring devices, and particularly relates to an underground water level monitoring and alarming device.
Background
At present, civil engineering construction of China enters a new period, and the number of foundation pit projects is greatly increased. With the development of foundation pit engineering construction, the idea of dynamic construction gets more and more attention. In dynamic construction, the measurement and monitoring play a role which cannot be ignored, and the measurement and monitoring are not optional but are an important link in the construction process. Abnormal changes in the ground water level in deep foundation pit engineering may indicate a banging and collapsing behind the foundation pit. It is therefore crucial for engineering technicians to obtain this information. Current water level's measurement mainly uses water level measuring instrument, needs the daily monitoring of manpower to obtain measured data, wastes time and energy. And because of the problem that the working time of the measuring personnel is long, a plurality of points can not be measured in real time, and the data has larger errors due to misoperation. Therefore, the device which can monitor and measure the water level of the foundation pit in real time and has the alarm function is very useful for foundation pit engineering.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an underground water level monitoring and alarming device to overcome the defects of the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an underground water level monitoring alarm device, includes water level pipe, pressure sensor, liquid density sensor and controller, and pressure sensor and liquid density sensor all are fixed in the intraductal bottom of water level, and the water level pipe is equipped with axial through-hole, and pressure sensor and liquid density sensor pass through the wire and connect in the controller, and the controller is used for setting up degree of depth threshold value and the water level pipe is initially placed in pit foundation degree of depth value.
Further, the controller is connected with a pressure value obtained by the pressure sensor and a water density value obtained by the liquid density sensor.
Further, the controller adopts a PLC controller.
Furthermore, a filter screen is arranged at the bottom of the through hole of the water level pipe, and the pressure sensor and the liquid density sensor are fixed on the filter screen of the water level pipe.
Furthermore, the pressure sensor and the liquid density sensor are fixed on the filter screen of the water level pipe through a lacing tape or a binding belt.
Furthermore, the pressure sensor and the liquid density sensor are fixedly connected with a balancing weight.
Furthermore, the outer side of the lead is coated with a plastic film.
Furthermore, the surface of the plastic film is provided with scales for recording the setting depth of the pressure sensor and the liquid density sensor.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model relates to an underground water level monitoring and alarming device, which utilizes a water level pipe with an axial through hole structure as a water level communicating structure beside a foundation pit, then a pressure sensor and a liquid density sensor are arranged at the bottom in the water level pipe, the density and the generated pressure value of the water level under different environments can be obtained by utilizing the pressure sensor and the liquid density sensor, and the corresponding water level height can be obtained according to the density and the generated pressure value, so that the monitoring of the water level is realized.
Furthermore, the controller adopts a PLC controller, the purpose of automatic monitoring and alarming is achieved, the structure is simple, and automation is achieved.
Furthermore, the bottom of the through hole of the water level pipe is provided with a filter screen, and the pressure sensor and the liquid density sensor are fixed on the filter screen of the water level pipe, so that the structure is simple, and large-particle impurities are prevented from entering the water level pipe to be blocked.
Furthermore, the pressure sensor and the liquid density sensor are fixedly connected with the balancing weight, so that the structure is simple, and the disassembly, assembly and maintenance are convenient.
Drawings
FIG. 1 is a schematic structural diagram of an underground water level monitoring alarm device in an embodiment of the utility model.
FIG. 2 is a geometric relationship diagram of water level measurement of the groundwater level monitoring and alarming device in the embodiment of the utility model.
FIG. 3 is a line diagram of monitoring data of the groundwater level monitoring and alarming device in the embodiment of the utility model.
In the figure, 1, a balancing weight, 2, a pressure sensor, 3, a liquid density sensor, 4, a plastic film, 5, a lead, 7, a controller, 8, an alarm and 9, a water level pipe.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings:
as shown in figure 1, the underground water level monitoring and alarming device comprises a water level pipe 9, a pressure sensor 2, a liquid density sensor 3 and a controller 7, wherein the pressure sensor 2 and the liquid density sensor 3 are fixed at the inner bottom of the water level pipe 9, the water level pipe 9 is provided with an axial through hole, the pressure sensor 2 and the liquid density sensor 3 are connected to the controller 7 through a lead 5, the controller 7 is used for setting a depth threshold value and a depth value of the water level pipe 9 initially placed in a pit foundation, when the underground water level monitoring and alarming device is used, the pressure sensor 2 and the liquid density sensor 3 are fixed at the inner bottom of the water level pipe 9, the water level pipe 9 is buried beside a side wall of a foundation pit, the controller 7 records a pressure reading P of water in the water level pipe 9 to the pressure sensor through the pressure sensor 2 at any time, the liquid density sensor 3 monitors a density rho of the water at any time, and when the water level changes, the reading of the pressure sensor 2 also changes, according to the geometrical relationship: p ═ ρ gH2The height H of the water level in the water level pipe 9 can be obtained2When the water level is high H2And when the value is larger than the set threshold value, the controller 7 starts alarming.
The controller 7 adopts a PLC controller, specifically adopts an ohm dragon programmable PLC controller, such as CQM1, C200H, C200HS and C500, and has the advantages of simple structure, high precision, convenience for threshold setting and initial value setting.
As shown in FIG. 2, in the water level threshold setting process, the height H of the water level pipe 9 buried by inputting into the controller 71And simultaneously according to the obtained water level height H in the water level pipe 92The height H of the water level from the ground can be obtained: h ═ H2-H1And a height H threshold value of the water level from the ground can be set, and when the height H of the water level from the ground is smaller than the set safety threshold value, the controller 7 starts to give an alarm.
The bottom of the through hole of the water level pipe 9 is provided with a filter screen, the pressure sensor 2 and the liquid density sensor 3 are fixed on the filter screen of the water level pipe 9 by a tightening belt or a binding belt, the water level pipe is convenient to detach and install, the water level pipes with different lengths are adopted according to different pit base depths, and the pressure sensor 2 and the liquid density sensor 3 are recycled.
Or, the pressure sensor 2 and the liquid density sensor 3 are fixedly connected with the balancing weight 1, and the pressure sensor 2 and the liquid density sensor 3 are fixed on the filter screen of the water level pipe 9 by utilizing the balancing weight, so that the operation is convenient and fast.
5 outside cladding of wire has plastic film 4, and 4 surfaces of plastic film are equipped with the scale, are convenient for record pressure sensor 2 and liquid density sensor 3 set up the degree of depth, convenient and fast, and simple structure avoids the error that artifical measurement and statistics caused.
In the use process, the water level pipe 9 with the length larger than the depth of the foundation pit and the plastic film with the length longer than the water level pipe 9 are selected according to the depth of the foundation pit, the plastic film 4 is marked with a graduated scale from bottom to top, the lead 5 is sealed and embedded in the plastic film 4, and then the lead is sequentially connected with the pressure sensor 2 and the liquid density sensor 3; simultaneously fixing the pressure sensor 2 and the liquid density sensor 3 at the bottom of the water level pipe 9; the pressure sensor 2 and the liquid density sensor 3 are fixed at the bottom of the water level pipe 9 through a binding belt or a binding belt, or one balancing weight 1 is bonded on the pressure sensor 2 and the liquid density sensor 3, then the water level pipe 9 is buried beside the side wall of the foundation pit, the lead 5 is connected to the controller 7 from the pipe opening, and the controller 7 is connected with an alarm 8. As shown in fig. 2, the controller 7 records the reading P of the pressure sensor 2 at any time,the liquid density sensor 3 monitors the density ρ of the water in the water level pipe 9 at any time, and when the water level changes, the reading of the pressure sensor 2 also changes. According to the geometrical relationship: the height H of the water level in the water level pipe 9 can be obtained when P is rho gh2The height H of the water level relative to the ground can be obtained: h ═ H2-H1，H1The depth of the water level pipe 9 is set, monitoring personnel set an alarm value in monitoring software, and the alarm 8 gives an alarm when the water level in the water level pipe 9 changes violently.
As shown in fig. 2, when the water level changes, the readings of the pressure sensor 2 and the liquid sensor 3 change, and the controller 7 records the readings of the two. According to the geometric relation: p ρ gh yields the water level height.
As shown in fig. 3, the controller 7 calculates the height of the water level at intervals from the start of the pit construction based on the pressure and the density, and may draw a line graph of the change of the water level.
The device comprises the following steps:
1) selecting a cable with the length longer than that of the water level pipe, embedding the cable in a plastic film, keeping the cable vertical, and vertically inserting the plastic film into the water level pipe;
2) when the foundation pit engineering begins to be constructed, the water level pipe is buried near the outer wall of the foundation pit;
3) the cable is connected to the bus from the pipe orifice, the bus is connected with the controller at the side of the foundation pit, and the controller is connected with the alarm;
4) and starting the controller and the alarm, and acquiring the change data of the underground water level near the foundation pit by monitoring personnel through monitoring software.
This application utilizes the water level pipe that is provided with the axial through-hole structure as the other water level connectivity structure of foundation ditch, then the bottom sets up pressure sensor 2 and liquid density sensor 3 in water level pipe 9, utilize pressure sensor 2 and liquid density sensor 3 can acquire the density of water level and the pressure value that produces under the different environment, obtain corresponding water level height, thereby realize the monitoring of water level, moreover, the steam generator is simple in structure, and the maintenance of being convenient for, can carry out real-time supervision to the condition of foundation ditch water level, and is convenient for use again, and manpower is saved, the loaded down with trivial details problem that seriously lags behind of traditional measuring method has been overcome, can provide accurate data for guiding the construction, can carry out the early warning to the foundation ditch calamity, thereby improve the mechanization of foundation ditch engineering construction, information level.
Claims (8)
1. The utility model provides an underground water level monitoring alarm device, a serial communication port, including water level pipe (9), pressure sensor (2), liquid density sensor (3) and controller (7), pressure sensor (2) and liquid density sensor (3) all are fixed in water level pipe (9) bottom in, water level pipe (9) are equipped with axial through hole, pressure sensor (2) and liquid density sensor (3) are connected in controller (7) through wire (5), controller (7) are used for setting up degree of depth threshold value and water level pipe (9) and place in pit base degree of depth value initially.
2. An underground water level monitoring and alarming device according to claim 1, wherein the controller (7) is connected with a display for displaying the pressure value obtained by the pressure sensor (2) and the water density value obtained by the liquid density sensor (3).
3. A ground water level monitoring alarm device according to claim 1 or 2, characterised in that the controller (7) is a PLC controller.
4. An underground water level monitoring and alarming device as claimed in claim 1, wherein a filter screen is arranged at the bottom of the through hole of the water level pipe (9), and the pressure sensor (2) and the liquid density sensor (3) are fixed on the filter screen of the water level pipe (9).
5. A ground water level monitoring alarm device according to claim 4, characterized in that the pressure sensor (2) and the liquid density sensor (3) are fixed on the screen of the water level pipe (9) by means of lacing or tie-bands.
6. An underground water level monitoring and alarming device as claimed in claim 4, wherein the pressure sensor (2) and the liquid density sensor (3) are fixedly connected with a balancing weight (1).
7. A ground water level monitoring alarm device according to claim 1, characterized in that the outside of the wire (5) is covered with a plastic film (4).
8. An underground water level monitoring and alarming device as claimed in claim 7, wherein the surface of the plastic film (4) is provided with scales for recording the arrangement depth of the pressure sensor (2) and the liquid density sensor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122366675.6U CN216206809U (en) | 2021-09-28 | 2021-09-28 | Underground water level monitoring alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122366675.6U CN216206809U (en) | 2021-09-28 | 2021-09-28 | Underground water level monitoring alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216206809U true CN216206809U (en) | 2022-04-05 |
Family
ID=80926723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122366675.6U Active CN216206809U (en) | 2021-09-28 | 2021-09-28 | Underground water level monitoring alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216206809U (en) |
-
2021
- 2021-09-28 CN CN202122366675.6U patent/CN216206809U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107817207B (en) | Method for calculating foundation pit permeability coefficient and automatic monitoring device thereof | |
| CN113155203B (en) | High and cold area slope multiple sensing information fusion and intelligent monitoring system and monitoring method | |
| CN110348736B (en) | Underground water sealed cave depot construction roadway concentrated leakage section identification method | |
| CN209606283U (en) | It is a kind of for measuring the automatic test device of soil layer infiltration coefficient | |
| CN105649603A (en) | Method for measuring accumulated liquid quantity of well bore of gas well in real time | |
| CN113802565B (en) | Intelligent integrated monitoring system and method for foundation pit and structure in steelmaking workshop | |
| CN203143405U (en) | Oil storage tank monitoring device | |
| CN114705338A (en) | Real-time monitoring device and monitoring method for scouring of offshore wind power pile foundation | |
| CN112900504B (en) | Method and system for identifying water leakage of waterproof curtain of foundation pit | |
| CN213148168U (en) | Long-term stress monitoring system based on perforated diaphragm wall | |
| CN216206809U (en) | Underground water level monitoring alarm device | |
| CN113218534A (en) | Deep underground initial temperature measuring device | |
| CN110455259A (en) | A kind of Geography monitor device and the river Form Development based on the device monitor system | |
| CN111457889A (en) | Method for monitoring subway tunnel settlement through optical fiber static level | |
| CN208736511U (en) | A kind of hydraulic engineering water level monitoring device | |
| CN206721943U (en) | A kind of pile foundation displacement auxiliary detection device | |
| CN114109365B (en) | Dynamic liquid level monitoring method for drilling well | |
| CN207379490U (en) | A kind of bus-type high density inclination measurement device | |
| CN104181042A (en) | Three-axis model tester for testing pressure reduction, percolation, layering and consolidation deformation of soil layer | |
| CN114136246A (en) | Foundation pit deformation monitoring device and method | |
| CN112113692A (en) | Long-term stress monitoring system and monitoring method based on perforated diaphragm wall | |
| CN209069940U (en) | A kind of needle tubing convolution soil moisture monitor | |
| CN202559399U (en) | Transformer substation monitoring system | |
| CN103374930B (en) | transformer substation monitoring system and monitoring method | |
| CN206496756U (en) | Excavation Settlement monitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |