CN205607381U - Network inclinometry system based on sensor cluster - Google Patents
Network inclinometry system based on sensor cluster Download PDFInfo
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- CN205607381U CN205607381U CN201620350585.4U CN201620350585U CN205607381U CN 205607381 U CN205607381 U CN 205607381U CN 201620350585 U CN201620350585 U CN 201620350585U CN 205607381 U CN205607381 U CN 205607381U
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Abstract
The utility model provides a network inclinometry system based on sensor cluster, including data acquisition analyzed computer and with data acquisition analyzed computer electric connection's measuring unit cluster, including a plurality of communication connection's measuring unit in the measuring unit cluster, be provided with microprocessor and sensor in the measuring unit. The utility model discloses a measuring unit that burys can directly follow enclosure or on every side the soil body the deformation and the slope produces, messenger measured data is more accurate. All measuring unit simultaneous measurements in this system, the surveying work who accomplishes 20 deviational survey holes only needs 30 seconds, and work efficiency improves by a wide margin, has practiced thrift a large amount of labours. Can realize incessant measurement in 24 hours, can carry out up to a hundred repeated measurement even moreover from morning till night tens times, improve the ageing of measured data greatly.
Description
Technical field
This utility model relates to a kind of inclination measurement system, belongs to building detection engineering field.
Background technology
In Geotechnical Engineering field, inclinometer is mainly used in measuring measure ground motion, such as: may produce in side slope built on the sand
Lateral movement etc. around (landslide) or excavation and cart-away.Also can be used to monitor dykes and dams, the stability of core wall, the cloth driven piles or hole
The deviation put, and in backfill, fill and the soil body depression etc. of sunken tank.In order to obtain inclinometer inclinometer pipe surrounding formation
One complete observation report, it is necessary to carry out a series of declivity observation around inclinometer pipe.Existing mode typically uses cunning
Dynamic formula, fixed two ways, sliding inclinometer mainly by the pulley of inclinometer in inclinometer pipe sliding tray on move down
Dynamic, the angle of inclination of areal survey inclinometer pipe, calculate the relative of inclinometer pipe by the measurement data contrasting repeatedly different time
Deformation.
Stationary slope level is multiple inclinometer segmentations to be fixedly mounted in inclinometer pipe, utilizes at different depth position
The angle of inclination of inclinometer pipe measured by inclinometer, again by contrasting repeatedly the measurement data of different time to calculate inclinometer pipe
Relative deformation.
But the shortcoming of slidingtype is, once can only measure a measuring point, there are tens measuring points in a deviational survey hole, often complete one
The measurement work in individual deviational survey hole at least needs more than 20 minutes, and the measurement work completing 20 deviational survey holes then needed for 1 all day, time-consuming
Arduously.
Stationary slope level then needs to connect the cable corresponding to the inclinometer of different depth several times and measures,
Even if in-line fixing inclinometer is also required to the power supply of each inclinometer of opening and closing, although improve work than sliding inclinometer
Make efficiency, but cost is multiplied.
Utility model content
The purpose of this utility model is to solve above-mentioned technical problem, it is provided that a kind of network based on clusters of sensors is surveyed
Tiltedly system and tilt measurement thereof.
The purpose of this utility model is achieved through the following technical solutions:
Network tilt measurement based on clusters of sensors, comprises the steps:
S1, addressing, select and need to carry out deviational survey position；
S2, pre-buried, measuring unit is embedded in advance in the soil body or fender body, when measuring unit is embedded in the soil body, directly
Punching backfills after putting into measuring unit；When measuring unit is embedded in fender body, can directly by measuring unit colligation in reinforcing bar
On, then pour into a mould concrete, or directly in fender body structure, punching is installed；Described measuring unit spacing and described certainty of measurement
Between in inverse ratio；
S3, measurement, after pre-buried end, start data collection and analysis computer, by the data collection and analysis in system
Computer sends a signal to measuring unit；
S4, fusion calculation, comparing, measuring unit carries out fusion calculation and measures azimuth and the three pose states of measuring unit,
Sampling according to prefixed time interval and calculate in the interval of the sampling between described fusion calculation, it is also possible to carries out continuous sampling
With calculating；
S5, data export, and export the data drawn to corresponding display device.
Preferably, described measuring unit is magnetometric sensor, and each described magnetometric sensor is installed in the same direction.
Preferably, in described S3, fusion calculation comprises the steps:
S31, by tri-acceleration of axle of X, Y, Z under accelerometer measures resting state in sensor, utilize gravity to accelerate
Degree in X, Y, Z tri-component relation of axle of 3-axis acceleration sensor, calculates the folder of each axle and acceleration of gravity direction with it
Angle, thus draw the three-dimensional dip i.e. 3 d pose of measuring unit；
It is calculated as follows three-dimensional dip:
；X-axis and natural X-axis angle；
；Y-axis and natural Y-axis angle；
；Z axis and natural Z axis angle；
According to the threshold value of microprocessor described in the precision setting of accelerometer, if the shake measuring numerical value exceedes threshold values, then
Abandon this measurement data resampling；
When measuring unit does not unifies direction installation, each measuring unit needs by magnetometer measures azimuth；But work as magnetic
When power meter is not in horizontal level, its azimuth recorded will appear from deviation, is now accomplished by utilizing measuring unit current
3 d pose angle-data carries out fusion calculation, obtains real azimuth；
First substitute into below equation according to by result of calculation before, calculate Heading value.
Xh=X*cos(α)+Y*sin(β)*sin(α)-Z*cos(β)*sin(α)
Yh=Y*cos(β)+Z*sin(β)
Further according to equation below computer azimuth angle.
for(Xh<0)=180-[arctan(Yh/Xh)*180/π]
for(Xh>0,Yh<0)=-[arctan(Yh/Xh)*180/π]
for(Xh>0,Yh>0)=360-arctan(Yh/Xh)*180/π
for(Xh=0,Yh<0)=90
for(Xh=0,Yh>0)=270
Preferably, the measurement data of the different time sections in described S4 is compared, and specifically includes following steps:
S41, measuring unit installation stand a period of time, after each measuring unit is stable, gather within a period of time
Data are also averaged, and be used as reference value, measure later every time under calculating the attitude angle of all measuring units and storing
Data are all made comparisons with reference value, calculate the attitude angle variable quantity of measuring unit；
According to the attitude angle variable quantity before and after measuring unit and combine the spacing between each measuring unit, do not unify direction
The measuring unit installed also should calculate the soil body or the deformation direction of fender body and deformation in conjunction with its azimuth by trigonometric function
Amount.
Preferably, including data collection and analysis computer and with described data collection and analysis computer be electrically connected with measurement
Unit cluster, includes the measuring unit of some communication connections, is provided with in described measuring unit in described measuring unit cluster
Microprocessor and sensor.
Preferably, described sensor is magnetometer sensor, multiaxis digital acceleration sensor, gyro sensor or two
Person or the combination of both above sensors.
The beneficial effects of the utility model: the measuring unit of embedment can follow directly after fender body or the deformation of surrounding soil and
Producing, this kind of mode will not produce artificial position error as slip inclinometer, make measurement data more accurate.This
In system, all measuring units are measured simultaneously, and the measurement work completing 20 deviational survey holes only needs 30 seconds, and work efficiency significantly carries
Height, has saved a large amount of labour force.Can realize 24 hours uninterruptedly measuring, and tens times the most up to a hundred times weights within one day, can be carried out
Repetition measurement amount, is greatly improved the ageing of measurement data.
Accompanying drawing explanation
Fig. 1 is system schematic of the present utility model.
Fig. 2 is the attachment structure schematic diagram between system of the present utility model.
Detailed description of the invention
This utility model specifically discloses a kind of network inclination measurement system based on clusters of sensors and includes data collection and analysis
Computer and the measuring unit cluster 3 being electrically connected with described data collection and analysis computer, wrap in described measuring unit cluster 3
Include the measuring unit 2 of some communication connections, can be attached by wireless network 5 between described measuring unit 2, it is also possible to logical
Cross wired network 4 to be attached.
Being provided with microprocessor and sensor in described measuring unit 2, described sensor is magnetometer sensor, many number of axle
The combination of word acceleration transducer, gyro sensor or both or both above sensors.
Can use different sensors according to different demands, such as, being magnetic, interference (has such as been embedded in reinforcing bar
Fender body in or have in the soil body of magnetic iron ore) in the case of, can directly select without magnetometer sensor as measuring unit.But
According to magnetometric sensor, due to magnetometer sensor be measured by magnetic field of the earth azimuthal, when periphery is magnetic thing
It can be produced interference, so all measuring units should be installed in the same direction, meanwhile, in order to ensure the accurate of measurement data during matter
Property, the measurement data of magnetometer sensor is not involved in fusion calculation.
Utilize the above concrete tilt measurement of network system based on clusters of sensors, comprise the steps:
S1, addressing, select and need to carry out deviational survey position；
S2, pre-buried, measuring unit is embedded in advance in the soil body or fender body, measuring unit is embedded in advance the soil body or fender body
In, when measuring unit is embedded in the soil body, backfill after directly punching puts into measuring unit；When measuring unit is embedded in fender body
Time interior, can directly by measuring unit colligation on reinforcing bar, then pour into a mould concrete, or directly punching peace in fender body structure
Dress；In inverse ratio between described measuring unit spacing and described certainty of measurement；
S3, measurement, after pre-buried end, start data collection and analysis computer, by the data collection and analysis in system
Computer sends a signal to measuring unit；Described fusion calculation comprises the steps:
S31, by tri-acceleration of axle of X, Y, Z under accelerometer measures resting state in sensor, utilize gravity to accelerate
Degree in X, Y, Z tri-component relation of axle of 3-axis acceleration sensor, calculates the folder of each axle and acceleration of gravity direction with it
Angle, thus draw the three-dimensional dip i.e. 3 d pose of measuring unit；
It is calculated as follows three-dimensional dip:
；X-axis and natural X-axis angle；
；Y-axis and natural Y-axis angle；
；Z axis and natural Z axis angle；
In order to prevent exterior vibration from measurement being impacted, first according to microprocessor described in the precision setting of accelerometer
Threshold value, if the shake measuring numerical value exceedes threshold values, then abandons this measurement data resampling；It is of course also possible to use top
In the spiral shell instrument monitoring short time, the three-dimensional angular velocity of measuring unit eliminates external disturbance.
When measuring unit does not unifies direction installation, each measuring unit needs by magnetometer measures azimuth；But work as
When magnetometer is not in horizontal level, its azimuth recorded will appear from deviation, is now accomplished by utilizing measuring unit current
3 d pose angle-data carry out fusion calculation, obtain real azimuth；
First substitute into below equation according to by result of calculation before, calculate Heading value.
Xh=X*cos(α)+Y*sin(β)*sin(α)-Z*cos(β)*sin(α)
Yh=Y*cos(β)+Z*sin(β)
Further according to equation below computer azimuth angle.
for(Xh<0)=180-[arctan(Yh/Xh)*180/π]
for(Xh>0,Yh<0)=-[arctan(Yh/Xh)*180/π]
for(Xh>0,Yh>0)=360-arctan(Yh/Xh)*180/π
for(Xh=0,Yh<0)=90
for(Xh=0,Yh>0)=270。
S4, fusion calculation, comparing, measuring unit carries out fusion calculation and measures azimuth and the three pose states of measuring unit,
Described measurement data is compared, and specifically includes following steps:
S41, measuring unit installation stand a period of time, after each measuring unit is stable, gather within a period of time
Data are also averaged, and be used as reference value, measure later every time under calculating the attitude angle of all measuring units and storing
Data are all made comparisons with reference value, calculate the attitude angle variable quantity of measuring unit；
Owing to each measuring unit is as the deformation generation attitudes vibration of the soil body or fender body, therefore according to measuring unit
Attitude angle variable quantity front and back also combines the spacing between each measuring unit, and the measuring unit not unifying to install in direction also should be tied
Close its azimuth, calculate the soil body or the deformation direction of fender body and deflection by trigonometric function.
S5, data export, and export the data drawn to corresponding display device.
This utility model still has multiple specific embodiment, all employing equivalents or equivalent transformation and the institute that formed
Have technical scheme, all fall within this utility model claimed within the scope of.
Claims (2)
1. network inclination measurement system based on clusters of sensors, it is characterised in that: include data collection and analysis computer and with described
The measuring unit cluster that data collection and analysis computer is electrically connected with, includes some communication connections in described measuring unit cluster
Measuring unit, be provided with microprocessor and sensor in described measuring unit.
2. network inclination measurement system based on clusters of sensors as claimed in claim 1, it is characterised in that: described sensor is magnetic
The combination of power flowmeter sensor, multiaxis digital acceleration sensor, gyro sensor or both or both above sensors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350585.4U CN205607381U (en) | 2016-04-25 | 2016-04-25 | Network inclinometry system based on sensor cluster |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350585.4U CN205607381U (en) | 2016-04-25 | 2016-04-25 | Network inclinometry system based on sensor cluster |
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| CN205607381U true CN205607381U (en) | 2016-09-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937901A (en) * | 2016-04-25 | 2016-09-14 | 苏州市建设工程质量检测中心有限公司 | Network inclinometry system based on sensor cluster and inclinometry method |
| CN106759213A (en) * | 2016-11-30 | 2017-05-31 | 东南大学 | A kind of automatic-balancing system for sea bed formula static sounding device |
-
2016
- 2016-04-25 CN CN201620350585.4U patent/CN205607381U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937901A (en) * | 2016-04-25 | 2016-09-14 | 苏州市建设工程质量检测中心有限公司 | Network inclinometry system based on sensor cluster and inclinometry method |
| CN106759213A (en) * | 2016-11-30 | 2017-05-31 | 东南大学 | A kind of automatic-balancing system for sea bed formula static sounding device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20210425 |
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| CF01 | Termination of patent right due to non-payment of annual fee |