CN210108339U - Hydrostatic level with double sensitive sensors - Google Patents
Hydrostatic level with double sensitive sensors Download PDFInfo
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- CN210108339U CN210108339U CN201921211794.0U CN201921211794U CN210108339U CN 210108339 U CN210108339 U CN 210108339U CN 201921211794 U CN201921211794 U CN 201921211794U CN 210108339 U CN210108339 U CN 210108339U
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Abstract
The utility model discloses a hydrostatic level with two sensitive sensors, the jar body is installed on the base, install a bubble level simultaneously on the base, adjust to the horizontality through the liquid level of bubble level in with the jar body, avoid liquid level area to change and influence measurement accuracy, further install the flowmeter on the base, confirm the flow of liquid through the flowmeter, set up level sensor at the top of the jar body simultaneously, level sensor is connected with the cursory of the jar body, during liquid flow, data through observing level sensor can obtain the rising or the decline of measuring point, then calculate the height that the liquid level rises or descend through the parameter of flowmeter. This quiet power spirit level of two sensitive sensors places jar body level and has reduced the measurement misdetection, can accurately calculate the change height of liquid level through the flowmeter, has improved measurement accuracy.
Description
Technical Field
The utility model relates to a monitoring facilities technical field that the building subsides specifically is a hydrostatic level with two sensitive sensors, is applicable to the settlement monitoring of buildings such as bridge, dam, tunnel, house.
Background
Construction on the ground, such as buildings, bridges, dams and the like can cause foundation settlement, and the static level is the main equipment for monitoring the settlement at present. At present, most of static level gauges utilize the principle of a communicating vessel to measure the position change of two measuring points by measuring the change of liquid level, and further obtain the differential settlement of the two measuring points. Nowadays, such sensors have some common disadvantages, and are easily affected by the external environment, which affects the use effect.
Most of the existing static level gauges represent displacement of a measuring point by utilizing the lifting of the liquid level of liquid, and in the north with large temperature change range, due to the expansion and contraction effect of the liquid, the measurement result is often fluctuated and changed, and the final settlement is difficult to determine. Research tests show that the monitoring effect of the static level gauge is particularly sensitive to temperature, and the difference between the highest temperature and the lowest temperature in a day is thousands of times for measuring points with high-precision requirements; in addition, in actual installation, the static level gauge is difficult to be in a vertical state generally, and if the static level gauge is in an inclined state, the liquid level change amplitudes of two measuring points are difficult to be the same, so that the measurement accuracy of the static level gauge is influenced. In conclusion, for the working condition with high measurement precision requirement, the existing hydrostatic level is difficult to meet the precision requirement, and a high-precision hydrostatic level is urgently needed.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a hydrostatic level with two sensitive sensors has solved current hydrostatic level measurement accuracy and has received temperature variation, and the poor problem of measurement accuracy that leads to.
The utility model discloses a realize through following technical scheme:
a hydrostatic level with double sensitive sensors comprises two levels with the same structure, wherein the two levels are respectively used for being arranged at a measuring point and a datum point;
the level comprises a constant-temperature tank body, a liquid level sensor, a bubble level, a buoy, a flowmeter and a base;
the tank body and the bubble level gauge are arranged at the top of the base, liquid is filled in the tank body, the buoy is arranged in the tank body, the liquid level sensor is arranged at the top of the tank body, the top of the buoy is provided with a buoy measuring rod, and the upper end of the buoy measuring rod penetrates through the tank body and is connected with the liquid level sensor;
the flowmeter sets up in the bottom of base, flowmeter and jar body intercommunication, and during the use, two flowmeters of two surveyors pass through the liquid pipe intercommunication.
Preferably, the side wall of the tank body is of a hollow structure and comprises an outer wall and an inner wall, and a heat insulation layer for filling liquid is formed between the outer wall and the inner wall.
Preferably, the thermal insulation layer is filled with an antifreezing solution.
Preferably, the outer wall of the tank body is coated with a heat-insulating layer.
Preferably, the top of the tank body is provided with a top cover, and the liquid level sensor is arranged on the top cover.
Preferably, the top cover is further provided with air holes, the air holes are communicated with the tank body, and the air holes of the two levels are communicated through a pipeline when the water level gauge is used.
Preferably, the level is mounted at a measuring point or reference point by means of a telescopic tripod, the telescopic tripod being connected to the base. Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a pair of hydrostatic level with two sensitive sensors, the homothermal jar body is installed on the base, install a bubble level simultaneously on the base, adjust to the horizontality through the liquid level of bubble level in with the jar body, avoid liquid level area to change and influence measurement accuracy, further install the flowmeter on the base, confirm the flow of liquid through the flowmeter, set up level sensor at the top of the jar body simultaneously, level sensor is connected with the cursory of the jar body, during liquid flow, data through observing level sensor can obtain the rising or decline of measuring point, then the parameter calculation liquid level through the flowmeter rises or the height that descends. The static level gauge with the double sensitive sensors adopts a constant-temperature tank body to effectively avoid the influence of the external temperature on the volume of liquid in the tank body, solves the influence of expansion and contraction of the liquid on a measurement result, then calibrates the horizontal state of the tank body through the bubble level gauge, solves the influence of the change of the liquid level area on the measurement result caused by the placement position of the tank body, adopts a flow meter to accurately measure the flow of the liquid while solving the influence on the external factors of the measurement result, and because the diameter of a liquid pipe is smaller than the diameter of the tank body, the change of the liquid volume measured by the flow meter is more accurate, and the micro-change of the liquid level sensor on the liquid level is difficult to detect, meanwhile, because the surface tension of the liquid, the middle part of the surface of the liquid is lower than the edge position, the liquid level positions detected by the liquid level sensor are different, the measurement is also nearly the same, therefore, the utility, and the flow volume of the liquid is calculated, so that the settlement height of the measuring point is accurately obtained, and the measuring precision is greatly improved.
Further, set up the lateral wall of the jar body into hollow structure, the filling liquid forms the insulating layer in the lateral wall, prevents the volume of liquid in the external temperature jar body, has improved measurement accuracy.
Furthermore, the outer wall of the tank body is coated with a heat-insulating layer, so that the liquid in the tank body is in a constant temperature state.
Furthermore, fix the surveyor's level through flexible tripod, convenient operation.
Drawings
FIG. 1 is a front view of the level of the present invention;
FIG. 2 is a cross-sectional view of the tank of the present invention;
FIG. 3 is a top view of the tank of the present invention;
fig. 4 is a front view of the top cover and sensor of the present invention;
fig. 5 is a top view of the utility model top cover and sensor;
figure 6 is a top view of the utility model base;
FIG. 7 is a schematic view of the attachment of a reference point to a hydrostatic level at a measuring point.
In the figure: 1-a liquid level sensor; 2-tank body; 3-buoy measuring rod; 4-a buoy; 5-a flow meter; 6-bubble level; 7-pores; 8-a data line; 10-liquid injection hole; 11-a heat-insulating layer; 13-a flow meter fixing hole; 14-bracket fixing holes; 16-liquid diversion holes; 17-a gas pipe; 18-a liquid tube; 19-a reference level; 20-measuring point level gauge.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
Referring to fig. 1-7, a hydrostatic level with a double sensitive sensor includes two levels with the same structure, which are a reference level 19 and a measuring point level 20; the level comprises a tank body 2 with an opening at the top, a liquid level sensor 1, a bubble level 6, a buoy 4 and a base.
Referring to fig. 2, the tank body 2 is arranged at the top of the base, the bubble level gauge 6 is arranged on the base and located on one side of the tank body 2, liquid is filled in the tank body 2, the buoy 4 is arranged in the tank body 2, the top of the tank body 2 is provided with a top cover, the liquid level sensor 1 is arranged on the top surface of the top cover, the top of the buoy 4 is provided with a buoy measuring rod 3, and the upper end of the buoy measuring rod 3 penetrates through the top cover to be connected with the liquid level sensor 1.
Referring to fig. 3-5, the top cover is further provided with air holes 7 which are communicated with the tank body 2, and when in use, the air holes of the two levels are communicated through an air pipe 17.
Referring to fig. 6, a liquid guiding hole 16 is formed in the center of the base, the upper end of the liquid guiding hole 16 is communicated with the inside of the tank body 2, a flowmeter 5 is arranged at the lower end of the liquid guiding hole 16, the flowmeter 5 is connected with the bottom surface of the base, and when the liquid level measuring device is used, the two flowmeters of the two level gauges are connected through a liquid pipe 18.
The lateral wall of the tank body 2 is of a double-layer hollow structure and comprises an outer wall and an inner wall, a heat insulation layer used for filling liquid is formed between the outer wall and the inner wall, a liquid filling hole 10 is formed in the top of the lateral wall, and liquid with small specific heat capacity is filled in the lateral wall through the liquid filling hole 10, so that the temperature of the liquid in the lateral wall is kept stable, effects such as expansion with heat and contraction with cold are avoided, and the working stable value and the working precision of the hydrostatic level are improved. Simultaneously, cladding heat preservation 11 on the outer wall of jar body 2 avoids the temperature of the liquid in the external temperature influence jar body, has guaranteed that the liquid in jar body 2 is in the constant temperature state.
Preferably, the heat-insulating layer is made of heat-insulating cotton.
Preferably, the insulation layer is filled with an antifreeze.
An internal thread is arranged on the inner wall of the top of the tank body 2, and the top cover is connected with the tank body 2 through a thread.
In another embodiment, the tank body 2 is a cylindrical structure with openings at two ends, an annular groove is arranged in the center of the top surface of the base, internal threads are arranged on the side wall of the groove, internal threads are arranged on the outer wall of the tank body 2, the lower end of the tank body is connected with the base through threads, and a sealing ring is arranged in the groove to ensure the sealing property of the tank body; or the joint of the tank body and the base is made of bonding materials such as butter and the like, and the joint is sealed, so that liquid leakage is avoided.
The edge of base sets up flowmeter fixed orifices 13, fixes flowmeter 5 in the bottom of base through the bolt, still is provided with support fixed orifices 14 on the edge of base, during the use, installs the spirit level at the top of telescopic tripod through support fixed orifices 14.
The liquid level sensor 1 is connected with a power supply through an external data line 8, the power supply is a battery, and data collected by the liquid level sensor 1 are transmitted to a terminal through wireless signals. And the data collected by the flowmeter 5 are transmitted to a terminal in a wireless signal mode.
Referring to fig. 7, the working principle of the hydrostatic level with the double sensitive sensors according to the present invention will be explained in detail.
And 2, adjusting the base to be in a horizontal state by using the bubble level 6.
And 3, adjusting the heights of the two levels through the total station to enable the reference level 19 and the measuring point level 20 to be at the same level.
And 4, connecting the air holes of the two levels through pipelines, connecting the flow meters of the two levels through the liquid pipes 18, and then respectively injecting liquid into the two tank bodies through the liquid injection holes 10.
And 5, debugging the liquid level sensor and the flowmeter to enable the liquid level sensor and the flowmeter to be connected with the terminal through wireless equipment.
And 6, monitoring data returned by the liquid level sensor and the flowmeter on the measuring point level gauge 20 at the terminal.
When the measuring points rise, the liquid flow in the tank body of the measuring point level gauge 20 flows to the reference level gauge 19 through the liquid pipe, and the water level in the tank body of the measuring point level gauge 20 falls;
when the measuring point descends, the liquid flow in the tank body of the reference level gauge 19 flows to the measuring point level gauge 20 through the liquid pipe, and the water level in the tank body of the measuring point level gauge 20 rises;
the rise or fall of the measurement point can be obtained from the data returned by the level sensor of the point level 20.
And then reading data fed back by the flowmeter 5, and dividing the data fed back by the flowmeter 5 by the area of the tank body 2 to obtain the liquid level variation, so that the settlement value of the measuring point can be accurately measured by the method.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (7)
1. A hydrostatic level with double sensitive sensors is characterized by comprising two levels with the same structure, wherein the two levels are respectively used for being arranged at a measuring point and a datum point;
the level comprises a constant-temperature tank body (2), a liquid level sensor (1), a bubble level (6), a buoy (4), a flowmeter (5) and a base;
the tank body (2) and the bubble level gauge (6) are arranged at the top of the base, liquid is filled in the tank body (2), the buoy (4) is arranged in the tank body (2), the liquid level sensor (1) is arranged at the top of the tank body (2), the top of the buoy (4) is provided with the buoy measuring rod (3), and the upper end of the buoy measuring rod (3) penetrates through the tank body (2) to be connected with the liquid level sensor (1);
the flowmeter (5) is arranged at the bottom of the base, the flowmeter (5) is communicated with the tank body (2), and when the liquid level meter is used, the two flowmeters of the two level meters are communicated through the liquid pipe (18).
2. A hydrostatic level with double sensitive sensors according to claim 1, characterized in that the side walls of the tank (2) are hollow, comprising an outer wall and an inner wall between which an insulating layer for the perfusion liquid is formed.
3. A hydrostatic level with dual sensitive sensors according to claim 2, wherein the thermal insulation layer is filled with an anti-freezing solution.
4. A hydrostatic level with dual sensitive sensors according to claim 1, characterised in that the outer wall of the tank (2) is coated with an insulating layer.
5. A hydrostatic level with a double sensitive sensor according to claim 1, characterised in that the top of the tank (2) is provided with a top cover on which the level sensor (1) is arranged.
6. A hydrostatic level with dual sensitive sensors according to claim 5, characterised in that the top cap is also provided with air holes (7) which communicate with the tank (2) and which, in use, communicate the air holes of the two levels via a conduit.
7. A hydrostatic level with dual sensitive sensors as claimed in claim 1, in which the level is mounted at a measurement or reference point by means of a telescopic tripod, the telescopic tripod being connected to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211794.0U CN210108339U (en) | 2019-07-29 | 2019-07-29 | Hydrostatic level with double sensitive sensors |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211794.0U CN210108339U (en) | 2019-07-29 | 2019-07-29 | Hydrostatic level with double sensitive sensors |
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| CN210108339U true CN210108339U (en) | 2020-02-21 |
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| CN201921211794.0U Active CN210108339U (en) | 2019-07-29 | 2019-07-29 | Hydrostatic level with double sensitive sensors |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307827A (en) * | 2019-07-29 | 2019-10-08 | 北京市政路桥股份有限公司 | A kind of hydrostatic level and its measurement method with double fast-response probes |
| CN112850494A (en) * | 2020-12-31 | 2021-05-28 | 武汉楚天浩瑞科技发展有限公司 | Steel form for construction with self-adaptation mechanism |
| CN112945799A (en) * | 2021-03-15 | 2021-06-11 | 南阳理工学院 | Convenient-to-clean chemical coating fluidity detection device |
-
2019
- 2019-07-29 CN CN201921211794.0U patent/CN210108339U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307827A (en) * | 2019-07-29 | 2019-10-08 | 北京市政路桥股份有限公司 | A kind of hydrostatic level and its measurement method with double fast-response probes |
| CN112850494A (en) * | 2020-12-31 | 2021-05-28 | 武汉楚天浩瑞科技发展有限公司 | Steel form for construction with self-adaptation mechanism |
| CN112850494B (en) * | 2020-12-31 | 2021-11-26 | 武汉楚天浩瑞科技发展有限公司 | Steel form for construction with self-adaptation mechanism |
| CN112945799A (en) * | 2021-03-15 | 2021-06-11 | 南阳理工学院 | Convenient-to-clean chemical coating fluidity detection device |
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