CN110926423A - House slope monitoring and early warning device - Google Patents
House slope monitoring and early warning device Download PDFInfo
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- CN110926423A CN110926423A CN202010103583.6A CN202010103583A CN110926423A CN 110926423 A CN110926423 A CN 110926423A CN 202010103583 A CN202010103583 A CN 202010103583A CN 110926423 A CN110926423 A CN 110926423A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 230000005291 magnetic effect Effects 0.000 claims abstract description 99
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000003116 impacting effect Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- 238000005381 potential energy Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/12—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10
- G01C9/14—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10 movable in more than one direction
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Abstract
The invention relates to a house inclination monitoring system, in particular to a house inclination monitoring and early warning device. The method comprises the following steps: the magnetic attraction ball is suspended in the insulating shell; a semi-annular stress sensor with an axis passing through the magnetic suction ball center is arranged on the periphery of the magnetic suction ball; the magnetic attraction device is connected with the stress sensor, and the stress sensor is provided with a position sensor. The invention has high automation degree, and installation and implementation personnel only need to correctly fix the detection box on the wall surface, thus the implementation is simple.
Description
Technical Field
The invention relates to a house inclination monitoring system, in particular to a house inclination monitoring and early warning device.
Background
The house verticality detection is to judge whether the foundation is unevenly settled or not and whether the vertical bearing component is deformed or not by measuring the inclination of a house, and is an important detection content in the building structure detection. The external control method is to arrange control points around the building, and requires a wide construction site, no obstacles and good communication condition. The internal control method is that a control point net is arranged in the building, and vertical projection measurement is carried out by using the principle of a vertical alignment line, so that the internal control method has the advantages that the internal control method is not limited by external conditions and can work all the day;
1. total station: at present, the total station is applied to detecting the inclination of a house more generally, and the inclination degree of a building is measured by adopting a manual observation means;
2. hanging a hammer: during detection, one person needs to hold the hanging hammer close to the position with the measured height and slowly put down, and the other person carries out measurement at the bottom of the house.
These monitoring methods have the following problems and disadvantages:
1. the automation degree is low, the requirement on detection operators is high, and the influence of the operation level on detection errors is great;
2. the detection personnel need to check a large number of buildings, and the time and the labor are consumed. The detection instrument has heavy weight and is inconvenient to carry, and the detection burden is increased.
Disclosure of Invention
A house inclination monitoring and early warning device comprises: insulating housing and magnet suspended in insulating housing
Sucking a ball; a semi-annular stress sensor with an axis passing through the magnetic suction ball center is arranged on the periphery of the magnetic suction ball; the magnetic attraction device is connected with a stress sensor, and a position sensor is arranged on the stress sensor; the stress sensor captures the stress of the magnetic attraction ball impacting the magnetic attraction device, and the impact position is recorded by the position sensor, and then whether the house is inclined or not and the inclination direction are judged by the microprocessor.
The method for monitoring the house inclination by the house inclination monitoring and early warning device comprises the following steps:
① when the house is not inclined, the magnetic attraction device is powered on and the magnetic attraction ball impacts the stress
Sensor, resulting stress F1;
② if the house inclines to the left side of the horizontal axis, the magnetic attraction ball is always vertically downward under the influence of gravity, and the magnetic attraction ball is
The absorption device and the stress sensor are fixed on the inner wall of the insulating shell and can incline along with the house, and then stress F2 is obtained;
③ the distance between the stress sensor and the magnetic attraction ball is shortened, and the angle between the sensor and the magnetic attraction ball is changed
Alternatively, the stress F2 is smaller than F1, and thus it can be judged that the house is inclined to the left, and the smaller F2, the larger the inclination angle;
④ similarly, if the house is tilted to the right of the horizontal axis, the measured stress is greater than F1.
The method for monitoring the inclination angle of the house by the house inclination monitoring and early warning device comprises the following steps:
①, recording the position B of the magnetic attraction ball 5 impacting the stress sensor 3 when the house is not inclined;
②, recording the position A of the magnetic suction ball 5 impacting the stress sensor 3 when the house is inclined;
③ since the distance between the point A and the point B from the center of the magnetic attraction ball 5 is known, three are used
And measuring the deflection angle from the point B to the point A, namely the inclination angle of the house by the angle theorem.
The invention has the beneficial effects that:
1. the automation degree is high, installation implementing personnel only need to correctly fix the detection box on the wall surface, and the implementation is simple;
2. in the measuring process, professional measuring personnel do not need to come to the site, the state is monitored only at the background, and the device is convenient to move.
Drawings
Fig. 1 is an effect diagram of a house inclination measuring device.
Fig. 2 is a schematic longitudinal sectional view of the house inclination measuring apparatus.
Fig. 3 is a schematic view of the angle measurement principle of the house inclination measuring device.
Fig. 4 is a simulation diagram of an electrified magnetic field of an embodiment of the house inclination measuring device.
Fig. 5 is a diagram of the two effects of the embodiment of the house inclination measuring device.
FIG. 6 is a two-way electromagnetic field simulation diagram of an embodiment of a room inclination measuring device.
FIG. 7 is a three-way electromagnetic field simulation diagram of an embodiment of a room inclination measuring device.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.
As shown in fig. 1, the house inclination monitoring and early warning device includes: insulating casing 1, magnetism device 2, stress sensor 3, wire rope 4, magnetism ball 5 of inhaling, power 6, remote switch 7, microprocessor 8, position sensor 9.
The house inclination monitoring and early warning device is characterized in that an insulating shell 1 is arranged outside the house inclination monitoring and early warning device and is installed on an outer vertical surface of a building, the bottom of the insulating shell 1 is always attached to a wall and is in a horizontal direction with the bottom of the insulating shell 1, a vertical bisector of the bottom of the insulating shell 1 is a horizontal axis, a magnetic attraction device 2 is arranged inside the insulating shell 1 along the horizontal axis, the magnetic attraction device 2 can be in various forms, such as a linear form and a U-shaped form, one end of the magnetic attraction device 2 is attached to the inside of the insulating shell 1, a semi-annular stress sensor 3 is arranged at the other end of the magnetic attraction device, the stress sensor 3 is firmly attached to one end of the magnetic attraction device 2 through an adhesive, an adhesive film, glass fiber cloth and the; the stress sensor 3 is provided with a position sensor 9 which can detect the specific position of the magnetic suction ball colliding with the stress sensor and then measure the specific inclination angle. And continuously along the horizontal axis direction, the front end of the distance stress sensor 3 is provided with a magnetic suction ball 5, the magnetic suction ball 5 passes through the axis of the distance stress sensor 3, the magnetic suction ball 5 is perpendicular to the horizontal axis direction and is connected by a steel wire rope 4, one end of the steel wire rope 4 is fixed on the magnetic suction ball 5, and the other end of the steel wire rope is fixed in an insulating shell 1 on the upper part parallel to the horizontal axis. The power supply 6 can be fixed on the inner wall of one side of the magnetic suction device 2 or not fixed in the box, so that a user can conveniently replace the power supply 6. The switch is connected with the power supply 6 through a wire, and the switch can be connected with a rear-end program through a wireless signal for remote control.
The insulating housing 1 is used for protecting the internal device from being interfered by external weather and other electromagnetic signals and supporting the decoration of the internal device.
The magnetic attraction device 2 utilizes the magnetic effect of current, and the coil of the magnetic attraction device 2 can be quickly magnetized and demagnetized, so that the motion state of the magnetic attraction ball 5 is changed.
The stress sensor 3 is used for measuring the magnetism of the magnetic attraction device 2 when being electrified, so that the magnetic attraction ball 5 is attracted to impact the stress sensor 3. The stress sensor 3 is used for capturing the stress of the magnetic suction ball 5, converting mechanical stress, namely physical signals, into electric signals, recording the impact force of the magnetic suction ball 5, and detecting whether the house is inclined or not and the inclination direction.
The position sensor 9 is attached to the stress sensor 3 and used for recording the specific impact point of the magnetic suction ball 5 impacting the stress sensor.
The specific working process is as follows:
as shown in fig. 2, the longitudinal section shows the principle of measurement, components irrelevant to the principle will be omitted for ease of understanding, and the standard size in the drawing is a scaled size. And the measurement line segment shown in the figure is a projection line segment of the longitudinal section. The dotted line part represents the state when the house is tilted, and the index number represents the distance between the magnetic suction ball 5 and the stress sensor 5 when the house is tilted. Under the not inclined state of house, the house does not take place the slope, then the wire rope 4 of connecting magnetism ball 5 and stress sensor 3 are parallel relation, and magnetism is inhaled device 2 circular telegram this moment, and magnetism ball 5 striking stress sensor 3 is inhaled to the magnetism, obtains stress for F1, if the house inclines to horizontal axis left side, and magnetism is inhaled ball 5 and is influenced by gravity vertical downwards all the time, and magnetism is inhaled device 2 and stress sensor 3 and is fixed at insulating casing 1 inner wall, can be along with the house together slope, obtains stress F2 this moment. The distance between the stress sensor 3 and the magnetic attraction ball 5 is shortened, the angle between the sensor 3 and the magnetic attraction ball 5 is changed, and the stress F2 is smaller than F1, so that the house can be judged to incline to the left, and the smaller the F2 is, the larger the inclination angle is; similarly, if the house inclines to the right side of the horizontal axis, the measured stress is greater than F1, and the system sets an early warning threshold value, and when the stress detection is smaller than the lowest safety value or greater than the highest safety value, an early warning message is sent to a background system;
as shown in fig. 3, in order to accurately detect the tilt angle of the house, the stress sensor 3 is provided with a position sensor 9, where point a in the figure is a position where the stress sensor 3 collides when the house is tilted, and point B in the figure is a position where the stress sensor 3 collides when the house is not tilted. The distance between the point A and the center of the magnetic suction ball 5 is known, and the deflection angle from the point B to the point A can be measured by utilizing trigonometric theory, namely the inclination angle of the house;
preferably, the detection system can detect the periodic change of the inclination angle through the resistance change state output by the stress sensor 3, and if the inclination is continued for a period of time and the abnormal code is different from the safety threshold value, the detection system sends an early warning message to a background system;
the steel wire rope 4 enables the magnetic suction ball 5 to keep a gravity naturally drooping state;
the magnetic attraction ball 5 converts the change of the inclination angle of the house into mechanical stress by utilizing the interaction force between the magnetic attraction ball and the magnet;
the remote switch 7 enables a background system to control the power-on time and frequency of the magnetic suction device 2;
the microprocessor 8 receives the electric signal transmitted by the stress sensor 3, converts the electric signal into visual data through PLC control programming and transmits the visual data to a server back-end system;
as shown in fig. 4, the magnetic attraction means 2 is connected to the semi-annular stress sensor 3. Surrounding the magnetic suction ball 5 along the same horizontal plane. The magnetic attraction device 2 has magnetism after being electrified, and the magnetic attraction ball 5 moves from the sparse magnetic induction line to the dense magnetic induction line after being electrified, so that the impact on the stress sensor 3 is completed;
the semi-annular distribution of the semi-annular stress sensors 3 and the position sensors 9 is arranged to detect the inclination of the house at any angle, so that the magnetic suction ball 5 can impact the stress sensors 3 in other directions to detect the specific inclination direction of the house.
The working principle of the embodiment is as follows:
the system remote connection switch establishes a TCP client on the computer, and the TCP client and the computer complete communication after establishing connection. Only calling API, creating a TCP server end. Then, a client is established on the computer through a back-end program, and the IP addresses and port numbers of the client and the server are paired, so that the remote control switch can be realized. The magnetic attraction device 2 changes the motion state of the magnetic attraction ball 5 by utilizing the magnetic effect of current, captures the stress of the magnetic attraction ball 5 impacting the magnetic attraction device 2, and if the impact stress of the house inclination changes, the stress sensor 3 converts the physical signal into an electric signal, thereby realizing the monitoring of the house inclination.
Example two:
as shown in fig. 5, house slope monitoring and early warning device, the outside sets up to install at the outer facade of building for insulating casing 1, and the bottom of insulating casing 1 laminates all the time on the wall, and 1 inside sets up magnetism and inhales device 2 of insulating casing, and magnetism is inhaled 2 one end and is laminated in 1 inside of insulating casing, and the other end sets up stress sensor 3, stress sensor 3 is the half-ring shape, sets up magnetism at 3 front ends apart from stress sensor and inhales ball 5, and stress sensor 3 semi-winding magnetism inhales ball 5, and magnetism inhales ball 5 and magnetism and inhale the effective distance of 2 magnetic forces of device for magnetism with the distance of device 2 of inhaling. The other side of the magnetic ball is provided with the same stress sensor 3 which surrounds and a magnetic device 2. The positions of the stress sensors 3 and the magnetic suction devices 2 on the two sides of the magnetic suction ball 5 are arranged in a central symmetry manner by using the spherical center of the magnetic suction ball 5;
as shown in fig. 6, the magnetic fields of the two half-ring stress sensors 3 are spliced into a ring, so that the magnetic fields are not interfered with each other, if the house deviates to the left, the magnetic attraction device 2 on the left side attracts the magnetic attraction ball 5 to impact the stress sensor 3, and vice versa;
the position sensor 9 is used for detecting the collision stress according to the first embodiment, so that the change of the distance between the magnetic attraction ball 5 and the stress sensor 3 can be judged, the potential energy is converted into the kinetic energy according to the energy conservation, and the stress sensor 3 is combined with the collision position information, so that the inclination degree of the house can be judged and early warning treatment can be performed;
in the concrete process, as shown in fig. 2, if the house is inclined to the left, the distance between the magnetic attraction ball 5 and the stress sensor 3 is increased, and the position of the magnetic attraction ball 5 is increased, so that the stress is increased and the height of the impact position is higher than that of the non-inclined impact position, and if the house is inclined to the right, the distance between the magnetic attraction ball 5 and the stress sensor 3 is reduced, and the position of the magnetic attraction ball 5 is lowered, so that the stress is reduced and the height of the impact position is lower than that of the non-inclined impact position. Thus, the angle of the house tilt can be estimated according to the trigonometric theorem in the first embodiment. The process is a tilting process in the direction in the figure, and the tilting perpendicular to the direction in the figure is also the same;
preferably, when the power is turned on, a single magnetic attraction device 2 can be controlled to be turned on, or two magnetic attraction devices 2 can be controlled to be turned on simultaneously, so as to acquire more data, and thus the accuracy of the detection result can be enhanced.
Example three:
on the basis of the second embodiment, the two semicircular stress sensors 3 are combined into a whole annular stress sensor 3, and the magnetic attraction devices 2 are respectively arranged at two ends of the diameter of the annular stress sensor in the horizontal direction. Different from the second embodiment, the circular stress sensor 3 is uniformly distributed with magnetic induction lines, and if the magnetic attraction ball 5 deviates, the magnetic attraction ball will impact the stress sensor 3 closest to the circular stress sensor, so that the position information and the deviation information can be directly obtained.
Claims (5)
1. A house inclination monitoring and early warning device comprises: the magnetic suction ball comprises an insulating shell (1) and a magnetic suction ball (5) suspended in the insulating shell (1);
the method is characterized in that: the periphery of the magnetic suction ball (5) is provided with a semi-annular magnet whose axis passes through the center of the magnetic suction ball (5)
A force sensor (3); the magnetic attraction device (2) is connected with the stress sensor (3), and the stress sensor (3) is provided with a position sensor (9); the stress sensor (3) captures the stress of the magnetic suction ball (5) impacting the magnetic suction device (2), and the impact position is recorded by the position sensor (9) and then the micro-processor (8) judges whether the house is inclined or not and the inclination direction of the house.
2. The house inclination monitoring and early warning device according to claim 1, characterized in that: the method for monitoring the house inclination by the house inclination monitoring and early warning device comprises the following steps:
① when the house is not inclined, the magnetic attraction device (2) is powered on and the magnetic attraction ball (5)
Impact stress sensor (3), resulting in stress F1;
② if the house inclines to the left side of the horizontal axis, the magnetic attraction ball (5) is always vertically downward under the influence of gravity, and
the magnetic attraction device (2) and the stress sensor (3) are fixed on the inner wall of the insulating shell (1) and can incline along with the house, and at the moment, stress F2 is obtained;
③ the distance between the stress sensor (3) and the magnetic attraction ball (5) is shortened, and the distance between the sensor (3) and the magnetic attraction ball (5)
The angle between the two is changed, the stress F2 is smaller than F1, so that the house can be judged to be inclined to the left, and the smaller F2 is, the larger the inclination angle is;
④ similarly, if the house is tilted to the right of the horizontal axis, the measured stress is greater than F1.
3. The house inclination monitoring and early warning device according to claim 1, characterized in that: the above-mentioned house
The method for monitoring the inclination angle of the house by the house inclination monitoring and early warning device comprises the following steps:
①, recording the position B of the magnetic suction ball (5) colliding with the stress sensor (3) when the house is not inclined;
②, recording the position A of the magnetic suction ball (5) colliding with the stress sensor (3) when the house is inclined;
since the distance between the point A and the point B from the center of the magnetic attraction ball (5) is known, three points are used
And measuring the deflection angle from the point B to the point A, namely the inclination angle of the house by the angle theorem.
4. The house inclination monitoring and early warning device according to claim 1, characterized in that: the two sides of the magnetic attraction ball are respectively provided with a semi-annular stress sensor (3), and the two stress sensors (3) and the magnetic attraction device (2) are arranged in a central symmetry manner by using the center of the magnetic attraction ball (5).
5. The house inclination monitoring and early warning device according to claim 4, characterized in that: the two semi-annular stress sensors (3) are combined into an integral annular stress sensor (3).
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111623737A (en) * | 2020-07-31 | 2020-09-04 | 广东电网有限责任公司惠州供电局 | Pole tower displacement monitoring device |
CN112233379A (en) * | 2020-09-29 | 2021-01-15 | 河北地质大学 | A device and method for monitoring and early warning of dangerous rock inclination |
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CN112233379A (en) * | 2020-09-29 | 2021-01-15 | 河北地质大学 | A device and method for monitoring and early warning of dangerous rock inclination |
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