CN219511524U - Sedimentation measurement device based on magneto displacement sensing principle - Google Patents
Sedimentation measurement device based on magneto displacement sensing principle Download PDFInfo
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- CN219511524U CN219511524U CN202320528848.6U CN202320528848U CN219511524U CN 219511524 U CN219511524 U CN 219511524U CN 202320528848 U CN202320528848 U CN 202320528848U CN 219511524 U CN219511524 U CN 219511524U
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- storage barrel
- liquid storage
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- sedimentation
- measurement device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The utility model relates to a sedimentation measurement device based on a magneto displacement sensing principle, which comprises a liquid storage barrel and a magneto displacement sensor; the liquid storage barrel is an integral frame of the device, an external liquid level observation window is arranged on the side face of the liquid storage barrel, and liquid pipe joints for installing the impulse pipes are arranged on the two sides of the bottom of the liquid storage barrel; the magnetic displacement sensor is arranged at the top end of the liquid storage barrel, the lower part of the magnetic displacement sensor is connected with a measuring rod, and the measuring rod is sleeved with a floating ball. The utility model is used for monitoring the sedimentation physical quantity of structures such as bridges, tunnels, dams, railways and the like, has the advantages of reasonable and simple structure and high measurement precision, can observe the liquid level in the liquid storage barrel in real time, and has simple installation, convenient replacement and good waterproofness; the utility model adopts the magneto-induced displacement sensor, the sensor has the characteristics of strong reliability, large measuring range and simple and convenient installation and maintenance, and the magneto-induced displacement sensor can provide standard output signals, thus being easy to realize networking work and improving the automation degree of the whole monitoring system.
Description
Technical Field
The utility model belongs to the technical field of sedimentation measurement devices, and particularly relates to a sedimentation measurement device based on a magneto displacement sensing principle.
Background
The settlement monitoring device is settlement observation, wherein settlement monitoring is observation according to observation points and fixed measurement points arranged on a structure, and the settlement degree is expressed by data. The method is widely applied to automatic detection of uneven settlement of structures such as hydroelectric power station dams, deep foundation pits, highways, railways, bridges, embankments, oil and gas conveying pipelines, oil storage tanks and the like. At present, most of sedimentation measuring devices are of inductive type, capacitive type or vibrating wire type, and the sedimentation monitoring devices are small in measuring range and low in accuracy. The existing magnetic sedimentation instrument, such as the one disclosed in the utility model with the patent number of CN201720101459X and the one disclosed in the utility model with the patent number of CN2018204648356, are applied to soft foundations and even need to be buried at observation points, and have high requirements on environment.
In addition, the liquid level condition in the barrel can not be observed from the surface of the liquid storage barrel to the current product, and the observable liquid storage barrel is made of acrylic materials, so that the firmness is greatly reduced.
Disclosure of Invention
The utility model provides a settlement measuring device based on a magneto-induced displacement sensing principle for solving the technical problems in the prior art, which is used for monitoring uneven settlement of a structure and has the technical characteristics of high precision, high stability and high stability.
The utility model comprises the following technical scheme:
a sedimentation measurement device based on a magneto displacement sensing principle comprises a liquid storage barrel and a magneto displacement sensor; the liquid storage barrel is an integral frame of the device, an external liquid level observation window is arranged on the side face of the liquid storage barrel, and liquid pipe joints for installing the impulse pipes are arranged on the two sides of the bottom of the liquid storage barrel; the magnetic displacement sensor is arranged at the top end of the liquid storage barrel, the lower part of the magnetic displacement sensor is connected with a measuring rod, and the measuring rod is sleeved with a floating ball.
The measuring principle is that the liquid level variation of the liquid level where the floating ball is positioned is calculated through the distance between the transmitting part of the magneto-induced displacement sensor and the floating ball. The sensor is a novel high-precision liquid level sensor developed by utilizing the magnetostriction principle, and the magneto-induced displacement sensor is a non-contact liquid level sensor, so that the sensor has the characteristics of long service life, good stability, high precision, good repeatability and the like.
Further, as an optimized technical scheme, the bottom of the liquid storage barrel is provided with a mounting hole site, and the liquid storage barrel is mounted at the detection point through a bolt.
Further, as an optimized technical scheme, the top of the liquid storage barrel is provided with a ventilation structure for balancing the air pressure in the liquid storage barrel, and the ventilation structure is a round cover with a ventilation hole on the side surface; the bottom of the round cover is welded on the liquid storage barrel and the vent hole is closed by the installation nut. The vent hole adopts the design of the side through hole, so that dust or other sundries can be effectively prevented from entering the liquid storage barrel.
Further, as an optimized technical scheme, the measuring rod and the floating ball are arranged inside the liquid storage barrel.
Further, as the preferable technical scheme, the liquid storage barrel is made of aviation-grade aluminum alloy materials, and has the characteristics of high stability and high safety.
Further, as an optimized technical scheme, the liquid level observation window is made of a transparent quartz tube, and the height of the liquid level in the liquid storage barrel can be observed in real time by utilizing the principle of a communicating vessel.
Further, as an preferable technical scheme, the data measured by the magneto-displacement sensor is transmitted to a wireless data acquisition box.
Further, as a preferable technical scheme, the sedimentation measuring device arranged at the datum point is connected in series with the sedimentation measuring device arranged at each monitoring point through the pressure guide pipe, and the sedimentation amount of each monitoring point can be calculated by measuring the liquid level variation between each monitoring point and the datum point.
Further, as an preferable technical scheme, the sedimentation measurement device installed at the reference point and the two liquid pipe joints installed on the sedimentation measurement device at the last monitoring point are both an installation plug, and the other installation pressure guide pipe.
The utility model has the advantages and positive effects that:
1. the utility model is used for monitoring the sedimentation physical quantity of structures such as bridges, tunnels, dams, railways and the like, has the advantages of reasonable and simple structure and high measurement precision, and is simple to install, convenient to replace and good in waterproofness.
2. The liquid level observation window is positioned on the side surface of the liquid storage barrel, adopts transparent quartz tube materials, and can observe the height of the liquid level in the liquid storage barrel in real time by utilizing the principle of a communicating vessel, so that the dosage of liquid can be effectively controlled.
3. The utility model adopts the magneto-induced displacement sensor, the sensor has the characteristics of strong reliability, large measuring range and simple and convenient installation and maintenance, and the magneto-induced displacement sensor can provide standard output signals, thus being easy to realize networking work and improving the automation degree of the whole monitoring system.
Drawings
Fig. 1 is a perspective view of the overall structure of the present utility model.
Fig. 2 is a perspective view of the liquid storage tub.
Fig. 3 is a perspective view of the magnetic displacement sensor and the floating ball.
FIG. 4 is a schematic installation of a plurality of sedimentation measurement devices.
Fig. 5 is a schematic view of the initial state of the working face of the sedimentation measurement device.
FIG. 6 is a schematic view of the sedimentation state of the working face of the sedimentation measurement device.
In the figure, 1-a liquid storage barrel; 2-venting structure; 3-a liquid level observation window; 4-liquid pipe joint; 5-a magneto-displacement sensor; 6-measuring rod; 7-floating ball; 8-impulse pipes; 9-plugs; 10-a wireless data acquisition box.
Detailed Description
In order to further disclose the inventive aspects, features and advantages of the present utility model, the following examples are set forth in detail below with reference to the accompanying drawings.
Examples: referring to fig. 1-6, a sedimentation measurement device based on a magneto displacement sensing principle comprises a liquid storage barrel 1 and a magneto displacement sensor 5; the liquid storage barrel 1 is an integral frame of the device, and the liquid storage barrel 1 is made of aviation-grade aluminum alloy materials and has the characteristics of high stability and high safety. The side of the liquid storage barrel 1 is provided with an external liquid level observation window 3, the liquid level observation window 3 is made of a transparent quartz tube, and the height of the liquid level in the liquid storage barrel 1 can be observed in real time by utilizing the principle of a communicating vessel. The two sides of the bottom of the liquid storage barrel 1 are provided with liquid pipe joints 4 for installing pressure guide pipes 8; the magnetic displacement sensor 5 is arranged at the top end of the liquid storage barrel 1, the measuring rod 6 is connected below the magnetic displacement sensor 5, and the floating ball 7 is sleeved on the measuring rod 6. The measuring rod 6 and the floating ball 7 are arranged inside the liquid storage barrel 1.
The bottom of the liquid storage barrel 1 is provided with a mounting hole site, and the liquid storage barrel 1 is mounted at a detection point through a bolt. The top of the liquid storage barrel 1 is provided with a ventilation structure 2 for balancing the air pressure in the liquid storage barrel 1, and the ventilation structure 2 is a circular cover with a vent hole on the side surface; the bottom of the circular cover is welded on the liquid storage barrel 1 and the vent hole is closed by a mounting nut. The vent hole adopts the design of the side through hole, so that dust or other sundries can be effectively prevented from entering the liquid storage barrel 1.
As shown in fig. 4, the sedimentation measurement device mounted on the reference point and the sedimentation measurement device mounted on each monitoring point are connected in series through the impulse pipe 8, and the sedimentation amount of each monitoring point can be calculated by measuring the liquid level change amount between each monitoring point and the reference point. The sedimentation measuring device arranged on the datum point and the two liquid pipe joints 4 arranged on the sedimentation measuring device of the last monitoring point are both provided with a mounting plug 9, the other is provided with a pressure guiding pipe 8, and data measured by the magneto-induced displacement sensor 5 are transmitted to a wireless data collecting box 10.
Working principle: the liquid level change of the liquid level where the floating ball 7 is calculated through the distance from the transmitting part of the magneto-induced displacement sensor 5 to the floating ball 7. The sensor is a novel high-precision liquid level sensor developed by utilizing the magnetostriction principle, and the magneto-induced displacement sensor 5 is a non-contact liquid level sensor, so that the sensor has the characteristics of long service life, good stability, high precision, good repeatability and the like.
The device is based on the principle of communicating vessels, the sedimentation points to be monitored and the reference points are connected in series by the pressure guide pipe 8, pressure guide liquid is introduced into the pipe, and the sedimentation quantity of each measuring point can be calculated by measuring the liquid level change quantity between each sedimentation point and the reference point. The principle is shown in fig. 5-6, and the related calculation formula is as follows:
initial liquid level difference:
Z 0i =h 01 -h 00 (1)
measuring the liquid level difference:
Z i1 =h i1 -h 00 (2)
deformation amount:
ΔZ i1 =Z i1 -Z 0i (3)
in the monitoring process of the device, the influence of external environmental factors is considered, so that the liquid level in the liquid storage barrel 1 fluctuates, the monitoring result fluctuates, and in order to solve the problems, a mean value filtering algorithm is added into the data processing system of the wireless data acquisition box 10.
Wherein X is i For the value monitored by the sensor,is the final resolved value. The formula is as follows:
although the preferred embodiments of the present utility model have been described, the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the appended claims. All of which are within the scope of the present utility model.
Claims (9)
1. Sedimentation measurement device based on magnetocaloric displacement sensing principle, its characterized in that: comprises a liquid storage barrel and a magneto displacement sensor; the liquid storage barrel is an integral frame of the device, an external liquid level observation window is arranged on the side face of the liquid storage barrel, and liquid pipe joints for installing the impulse pipes are arranged on the two sides of the bottom of the liquid storage barrel; the magnetic displacement sensor is arranged at the top end of the liquid storage barrel, the lower part of the magnetic displacement sensor is connected with a measuring rod, and the measuring rod is sleeved with a floating ball.
2. A sedimentation measurement device based on the principle of magneto-displacement sensing as claimed in claim 1, characterized in that: the bottom of the liquid storage barrel is provided with a mounting hole site, and the liquid storage barrel is mounted at a detection point through a bolt.
3. A sedimentation measurement device based on the principle of magneto-displacement sensing as claimed in claim 1, characterized in that: the top of the liquid storage barrel is provided with a ventilation structure, and the ventilation structure is a round cover with a ventilation hole on the side surface; the bottom of the round cover is welded on the liquid storage barrel and the vent hole is closed by the installation nut.
4. A sedimentation measurement device based on the principle of magneto-displacement sensing as claimed in claim 1, characterized in that: the measuring rod and the floating ball are arranged inside the liquid storage barrel.
5. A sedimentation measurement device based on the principle of magneto-displacement sensing as claimed in claim 1, characterized in that: the liquid storage barrel is made of aviation grade aluminum alloy materials.
6. A sedimentation measurement device based on the principle of magneto-displacement sensing as claimed in claim 1, characterized in that: the liquid level observation window is made of a transparent quartz tube.
7. A sedimentation measurement device based on the principle of magneto-displacement sensing as claimed in claim 1, characterized in that: and the data measured by the magneto-induced displacement sensor is transmitted to a wireless data acquisition box.
8. A sedimentation measurement device based on the principle of magneto-displacement sensing according to any one of claims 1-7, characterized in that: the sedimentation measuring device arranged at the datum point is connected in series with the sedimentation measuring devices arranged at the monitoring points through pressure pipes.
9. The sedimentation measurement device based on the principle of magneto-displacement sensing according to claim 8, wherein: the sedimentation measuring device arranged on the datum point and the two liquid pipe joints arranged on the sedimentation measuring device of the last monitoring point are both provided with a mounting plug, and the other is provided with a pressure guiding pipe.
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CN202320528848.6U CN219511524U (en) | 2023-03-17 | 2023-03-17 | Sedimentation measurement device based on magneto displacement sensing principle |
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CN202320528848.6U CN219511524U (en) | 2023-03-17 | 2023-03-17 | Sedimentation measurement device based on magneto displacement sensing principle |
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