CN104913764A - Intelligent remote centralized control system for settlement meters and settlement measurement method of settlement meters - Google Patents
Intelligent remote centralized control system for settlement meters and settlement measurement method of settlement meters Download PDFInfo
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- CN104913764A CN104913764A CN201510288170.9A CN201510288170A CN104913764A CN 104913764 A CN104913764 A CN 104913764A CN 201510288170 A CN201510288170 A CN 201510288170A CN 104913764 A CN104913764 A CN 104913764A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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Abstract
The invention discloses an intelligent remote centralized control system for settlement meters and a settlement measurement method of the settlement meters. A paying-off speed control module is used for controlling paying-off speed of a paying-off motor (8-3); a signal sampling module is used for receiving and processing a signal waveform acquired by an induction device (3); and a settlement value calculation module is used for calculating the distance between a point to be detected and a standard point according to a time difference between a waveform of the point to be detected and a waveform of the standard point in the signal waveform and the paying-off speed, and calculating the settlement value according to the difference value of two times of distance calculation. By virtue of the intelligent remote centralized control system, the plurality of settlement meters in the same or different construction sites can be intensively monitored at the same time, and the settlement meters can be remotely started to automatically acquire the settlement height of each acquisition point, so that the management work can be conveniently carried out. The paying-off speed is automatically controlled through a controller and a probe generates a pulse signal through a magnetic ring, and the settlement height is automatically calculated by analyzing the waveform of the pulse signal and combining the constant paying-off speed; and the intelligent remote centralized control system has the characteristics of high working efficiency, high measurement precision, high automation degree, low measurement cost and the like.
Description
Technical field
The present invention relates to sedimentometer, particularly relate to a kind of intelligent sedimentometer remote central control and settlement measurement method thereof.
Background technology
Because disperse phase is different with the density of dispersion medium, there is directed movement in dispersed phase particles, be sedimentation under the field of force (gravity field or centrifugal force field) effect.Sedimentometer is exactly a kind of instrument for detecting sedimentation, and the measuring principle of sedimentometer is the settling velocity of working sample particle under constant centrifugal force field.Present Domestic is outer mainly contains water-pipe type settlement instrument, fixed sedimentometer, pressure transducer, hydrostatic level etc. to the displacement measuring device of the soil body.
The course of work that Traditional Man surveys subsidence style is such: at least need two engineering staffs to coordinate and just can complete, one of them is responsible for transferring traction rope, and another is responsible for recording data, calculated settlement value.And the mode of calculated settlement value is: traction rope arranges scale, popping one's head in the process transferring traction rope can produce alarm sound through magnet ring, and engineering staff obtains settling height according to the traction rope length put down between twice alarm sound.There is following defect in such metering system: (1) needs to spend a large amount of manpowers to complete measurement, and higher to engineering staff's operation requirements, and manual measurement cost is very high; Special in hole depth is larger, the extended length of traction rope, deadweight increases greatly, needs multiple engineering staff to coordinate ability pulling traction rope; In addition, because traction rope length increases greatly, artificial Traction rope is easy to produce twisted phenomenon, easily causes pull-in cable damaged so that short circuit.(2) mode owing to taking engineering staff manually to listen alarm sound, be recorded in the rope length put down between twice alarm sound and carry out calculated settlement height, sense of hearing error is there is on the one hand when listening to alarm sound, also reading error is there is on the other hand when reading the scale on rope, generally speaking, this traditional measurement mode error is large, and measuring accuracy is poor.
In addition, traditional settlement measurement method cannot carry out Centralized Monitoring to multiple sedimentometers of construction ground, also cannot realize sedimentation automatic test.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of novel intelligent sedimentometer remote central control and settlement measurement method thereof are provided, Centralized Monitoring can be carried out to multiple sedimentometers of construction ground, controller controls the payingoff speed of popping one's head in automatically, pop one's head in through magnet ring generation pulse signal, by analyzing the waveform of pulse signal in conjunction with the automatic calculated settlement height of constant payingoff speed, have that work efficiency is high, measuring accuracy is high, automaticity high.
The object of the invention is to be achieved through the following technical solutions: intelligent sedimentometer remote central control, comprise the intelligent sedimentometer that at least one is monitored, described intelligent sedimentometer comprises a sensed device of benchmark, at least one buried sensed device, measuring tube, sensing device, pull-in cable, controller and the payingoff mechanism be arranged in each stratum, the sensed device of benchmark is fixedly mounted on the top of measuring tube, and sensing device is used for producing signal pulse at it through when the sensed device of benchmark and each buried sensed device; Payingoff mechanism comprises wrapping post and unwrapping wire motor, and wrapping post is fixed on the output shaft of unwrapping wire motor; The bottom of pull-in cable is electrically connected with sensing device, and sensing device is arranged in measuring tube; The top of pull-in cable is walked around wrapping post and is connected with the sampled signal input end of controller, and the control signal output terminal of controller is connected with unwrapping wire motor;
Be provided with payingoff speed control module, signal sampling module and sedimentation value computing module in described controller, payingoff speed control module is for controlling the payingoff speed of unwrapping wire motor; Signal sampling module is for receiving and processing the signal waveform that sensing device collects; Sedimentation value computing module calculates the distance between tested point and reference point according to the mistiming between the tested point waveform in signal waveform and reference point waveform and payingoff speed, then carrys out calculated settlement value according to the difference of twice distance calculating;
The communication port of the controller of each intelligent sedimentometer is connected with monitoring center respectively by communication line.
Described buried sensed device and the sensed device of benchmark are magnet ring.
Intelligence sedimentometer remote central control, also comprise wire passing device, wire passing device is installed between measuring tube and payingoff mechanism, wire passing device comprises mounting base and wire guide pulley wheels, wire guide pulley wheels is arranged on mounting base by back shaft, and the top of measuring tube is fixedly mounted on mounting base by steady arm.
The settlement measurement method of intelligence sedimentometer remote central control, comprises the following steps:
S1: build intelligent sedimentometer remote central control, measuring tube is vertically imbedded stratum to be measured, at the sensed device of the top of measuring tube fixed installation benchmark, position near measuring tube in each stratum to be measured installs buried sensed device respectively, buried sensed device is not fixedly connected with measuring tube, ensures the sedimentation on the tested stratum of the objective embodiment of buried sensed device;
S2: initial value is measured, and comprises following sub-step:
S201: controller controls the rotating speed of unwrapping wire motor, thus drive sensing device to move downward with a certain constant speed v;
S202: sensing device successively through the sensed device of benchmark and each buried sensed device, produces signal pulse in sensing device from top to bottom;
S203: this signal pulse is uploaded to the sampled signal input end of controller by sensing device by pull-in cable;
S204: this signal pulse of signal sampling module analysis of controller, obtains the signal waveform of initial measurement, the tested point waveform in this signal waveform of sedimentation value computing module record and the mistiming t between reference point waveform
1, calculate the distance L between tested point and reference point in conjunction with payingoff speed
1=t
1* v;
S3: measure after distortion, with step S2, the same sensing device that drives moves downward with constant speed v, obtains the signal waveform of being out of shape rear measurement;
S4: the mistiming t after the sedimentation value computing module record distortion of controller between tested point waveform and reference point waveform
2, calculate the rear distance L between tested point and reference point of distortion in conjunction with payingoff speed
2=t
2* v;
S5: sedimentation value computing module carrys out calculated settlement value, sedimentation value Δ L=L according to the difference of twice distance calculating
2-L
1=(t
2-t
1) * v.
The invention has the beneficial effects as follows:
1) Centralized Monitoring can be carried out to multiple sedimentometers of same or different construction ground simultaneously, can remote activation sedimentometer automatically gather the settling height of each collection point, be convenient to carrying out of management work.
2) controller controls the payingoff speed of probe automatically, pop one's head in through magnet ring generation pulse signal, by analyzing the waveform of pulse signal in conjunction with the automatic calculated settlement height of constant payingoff speed, there is the features such as work efficiency is high, measuring accuracy is high, automaticity is high, measurement cost is low.
3) magnet ring can arrange multiple as required, in each stratum to be measured, arrange magnet ring, can measure the settling height of upper and lower multiple stratum relative to ground simultaneously.
4) benchmark magnet ring is set and sets up waveform reference point, the distance between tested point and reference point can be calculated by the mistiming between tested point crest (or trough) and reference point crest (or trough), after measuring distortion in the same way, the distance of this tested point and reference point can obtain sedimentation value, and settlement calculation process is simple, accurate.
Accompanying drawing explanation
Fig. 1 is centralized control system structural schematic block diagram of the present invention;
Fig. 2 is the present invention's intelligence sedimentometer structural representation;
Fig. 3 is comparison of wave shape figure of the present invention;
In figure, 1-1: buried sensed device, 1-2: the sensed device of benchmark, 2: measuring tube, 3: sensing device, 4: pull-in cable, 5: controller, 6: steady arm, 7: wire passing device, 7-1: mounting base, 7-2: wire guide pulley wheels, 8-payingoff mechanism, 8-1: erecting frame, 8-2: wrapping post, 8-3: unwrapping wire motor.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, intelligence sedimentometer remote central control, comprise the intelligent sedimentometer that at least one is monitored, the communication port of the controller 5 of each intelligent sedimentometer is connected with monitoring center respectively by communication line, and communication line can be wire communication line also can be wireless communication line.Intelligence sedimentometer remote central control can collect the detection data of multiple sedimentometer in appointed area, screens multiple data, analyze, processes and assesses, and obtains settling height measurement result more reliably, and may be used for the condition of a disaster analysis and early warning.
As shown in Figure 2, described intelligent sedimentometer comprises a benchmark sensed device 1-2, at least one buried sensed device 1-1, measuring tube 2, sensing device 3, pull-in cable 4, controller 5 and the payingoff mechanism 8 be arranged in each stratum, the sensed device 1-2 of benchmark is fixedly mounted on the top of measuring tube 2, and sensing device 3 is for producing signal pulse at it through during benchmark sensed device 1-2 and each buried sensed device 1-1; Payingoff mechanism 8 comprises wrapping post 8-2 and unwrapping wire motor 8-3, unwrapping wire motor 8-3 can be servomotor or stepper motor, wrapping post 8-2 is fixed on the output shaft of unwrapping wire motor 8-3, and payingoff mechanism 8 also comprises erecting frame 8-1, and wrapping post 8-2 is arranged on erecting frame 8-1 by bearing arrangement.The bottom of pull-in cable 4 is electrically connected with sensing device 3, and sensing device 3 is arranged in measuring tube 2; The top of pull-in cable 4 is walked around wrapping post 8-2 and is connected with the sampled signal input end of controller 5, and the control signal output terminal of controller 5 is connected with unwrapping wire motor 8-3;
Be provided with payingoff speed control module, signal sampling module and sedimentation value computing module in described controller 5, payingoff speed control module is for controlling the payingoff speed of unwrapping wire motor 8-3; Signal sampling module is for receiving and processing the signal waveform that sensing device 3 collects; Sedimentation value computing module calculates the distance between tested point and reference point according to the mistiming between the tested point waveform in signal waveform and reference point waveform and payingoff speed, then carrys out calculated settlement value according to the difference of twice distance calculating.If the crest of waveform is clear, then carry out computing time according to crest poor, if trough is clear, also can carry out computing time according to trough poor; Certainly be also not precluded within two waveforms that to determine that a more significant jitter points carrys out computing time poor.
In the present embodiment, described buried sensed device 1-1 and the sensed device 1-2 of benchmark is magnet ring.
Intelligence sedimentometer remote central control, also comprise wire passing device 7, wire passing device 7 is installed between measuring tube 2 and payingoff mechanism 8, wire passing device 7 comprises mounting base 7-1 and wire guide pulley wheels 7-2, wire guide pulley wheels 7-2 is arranged on mounting base 7-1 by back shaft, and the top of measuring tube 2 is fixedly mounted on mounting base 7-1 by steady arm 6.
The settlement measurement method of intelligence sedimentometer remote central control, comprises the following steps:
S1: build intelligent sedimentometer remote central control, measuring tube 2 is vertically imbedded stratum to be measured, at the sensed device 1-2 of the top of measuring tube 2 fixed installation benchmark, position near measuring tube 2 in each stratum to be measured installs buried sensed device 1-1 respectively, buried sensed device 1-1 is not fixedly connected with measuring tube 2, ensures the sedimentation on the tested stratum of the objective embodiment of buried sensed device 1-1;
S2: initial value is measured, measures the various places layer height before sedimentation, comprises following sub-step:
S201: controller 5 controls the rotating speed of unwrapping wire motor 8-3, thus drive sensing device 3 to move downward with a certain constant speed v;
S202: sensing device 3 successively through benchmark sensed device 1-2 and each buried sensed device 1-1, produces signal pulse in sensing device 3 from top to bottom;
S203: this signal pulse is uploaded to the sampled signal input end of controller 5 by sensing device 3 by pull-in cable 4;
S204: this signal pulse of signal sampling module analysis of controller 5, obtain the signal waveform of initial measurement, the tested point crest (or trough) in this signal waveform of sedimentation value computing module record and the mistiming t between reference point crest (or trough)
1, calculate the distance L between tested point and reference point in conjunction with payingoff speed
1=t
1* v;
S3: measure after distortion, measures the various places layer height after sedimentation, and with step S2, the same sensing device 3 that drives moves downward with constant speed v, obtains the signal waveform of being out of shape rear measurement;
S4: the mistiming t after the sedimentation value computing module record distortion of controller 5 between tested point crest (or trough) and reference point crest (or trough)
2, calculate the rear distance L between tested point and reference point of distortion in conjunction with payingoff speed
2=t
2* v;
S5: as shown in Figure 3, sedimentation value computing module carrys out calculated settlement value, sedimentation value Δ L=L according to the difference of twice distance calculating
2-L
1=(t
2-t
1) * v, (t
2-t
1) available Δ t represents.
In addition, also can carry out label to buried magnet ring, obtain the distance variable quantity between any two magnet rings by the contrast of signal waveform, the settling height between any two stratum can be recorded.
The above is only the preferred embodiment of the present invention, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (4)
1. intelligent sedimentometer remote central control, it is characterized in that: comprise the intelligent sedimentometer that at least one is monitored, described intelligent sedimentometer comprises a sensed device of benchmark (1-2), be arranged at least one the buried sensed device (1-1) in each stratum, measuring tube (2), sensing device (3), pull-in cable (4), controller (5) and payingoff mechanism (8), the sensed device of benchmark (1-2) is fixedly mounted on the top of measuring tube (2), sensing device (3) is for producing signal pulse at it through when the sensed device of benchmark (1-2) and each buried sensed device (1-1), payingoff mechanism (8) comprises wrapping post (8-2) and unwrapping wire motor (8-3), and wrapping post (8-2) is fixed on the output shaft of unwrapping wire motor (8-3), the bottom of pull-in cable (4) is electrically connected with sensing device (3), and sensing device (3) is arranged in measuring tube (2), the top of pull-in cable (4) is walked around wrapping post (8-2) and is connected with the sampled signal input end of controller (5), and the control signal output terminal of controller (5) is connected with unwrapping wire motor (8-3),
Be provided with payingoff speed control module, signal sampling module and sedimentation value computing module in described controller (5), payingoff speed control module is for controlling the payingoff speed of unwrapping wire motor (8-3); Signal sampling module is used for receiving and processes the signal waveform that sensing device (3) collects; Sedimentation value computing module calculates the distance between tested point and reference point according to the mistiming between the tested point waveform in signal waveform and reference point waveform and payingoff speed, then carrys out calculated settlement value according to the difference of twice distance calculating;
The communication port of the controller (5) of each intelligent sedimentometer is connected with monitoring center respectively by communication line.
2. intelligent sedimentometer remote central control according to claim 1, is characterized in that: described buried sensed device (1-1) and the sensed device of benchmark (1-2) are magnet ring.
3. intelligent sedimentometer remote central control according to claim 1, it is characterized in that: also comprise wire passing device (7), wire passing device (7) is installed between measuring tube (2) and payingoff mechanism (8), wire passing device (7) comprises mounting base (7-1) and wire guide pulley wheels (7-2), wire guide pulley wheels (7-2) is arranged on mounting base (7-1) by back shaft, and the top of measuring tube (2) is fixedly mounted on mounting base (7-1) by steady arm (6).
4., as the settlement measurement method of the intelligent sedimentometer remote central control in claims 1 to 3 as described in any one, it is characterized in that: comprise the following steps:
S1: build intelligent sedimentometer remote central control, measuring tube (2) is vertically imbedded stratum to be measured, at the top of measuring tube (2) the fixed installation sensed device of benchmark (1-2), the position near measuring tube (2) in each stratum to be measured installs buried sensed device (1-1) respectively;
S2: initial value is measured, and comprises following sub-step:
S201: controller (5) controls the rotating speed of unwrapping wire motor (8-3), thus drive sensing device (3) to move downward with a certain constant speed v;
S202: sensing device (3) successively through the sensed device of benchmark (1-2) and each buried sensed device (1-1), produces signal pulse in sensing device (3) from top to bottom;
S203: this signal pulse is uploaded to the sampled signal input end of controller (5) by sensing device (3) by pull-in cable (4);
S204: this signal pulse of signal sampling module analysis of controller (5), obtains the signal waveform of initial measurement, the tested point waveform in this signal waveform of sedimentation value computing module record and the mistiming t between reference point waveform
1, calculate the distance L between tested point and reference point in conjunction with payingoff speed
1=t
1* v;
S3: measure after distortion, with step S2, drive sensing device (3) to move downward with constant speed v equally, obtain the signal waveform of being out of shape rear measurement;
S4: the mistiming t after the sedimentation value computing module record distortion of controller (5) between tested point waveform and reference point waveform
2, calculate the rear distance L between tested point and reference point of distortion in conjunction with payingoff speed
2=t
2* v;
S5: sedimentation value computing module carrys out calculated settlement value, sedimentation value Δ L=L according to the difference of twice distance calculating
2-L
1=(t
2-t
1) * v.
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| CN105887790A (en) * | 2016-04-22 | 2016-08-24 | 上海工程技术大学 | Infrared distance measurement device for inclinometry of foundation pit and monitoring method |
| CN107830837A (en) * | 2017-10-25 | 2018-03-23 | 南京南瑞集团公司 | A kind of delaminating deposition automatic measurement mechanism and its measuring method |
| CN109695263A (en) * | 2019-02-28 | 2019-04-30 | 广东广强基础工程有限公司 | A kind of building foundation sedimentation monitoring system |
| CN110345909A (en) * | 2018-11-21 | 2019-10-18 | 广州日昇岩土科技有限公司 | A kind of full-automatic mechanical-type intelligence laminated settlement meter |
| CN110440752A (en) * | 2019-07-31 | 2019-11-12 | 湖北三江航天红峰控制有限公司 | A kind of the monitoring system and monitoring method of the sedimentation of real-time measurement tunnel vault |
| CN112195903A (en) * | 2020-09-01 | 2021-01-08 | 神华神东煤炭集团有限责任公司 | Device and method for measuring rock-soil layer settlement and application |
| CN112525151A (en) * | 2020-12-25 | 2021-03-19 | 广东电网有限责任公司佛山供电局 | Full-automatic high-precision hierarchical settlement meter and control method thereof |
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| CN105887790A (en) * | 2016-04-22 | 2016-08-24 | 上海工程技术大学 | Infrared distance measurement device for inclinometry of foundation pit and monitoring method |
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| CN109695263A (en) * | 2019-02-28 | 2019-04-30 | 广东广强基础工程有限公司 | A kind of building foundation sedimentation monitoring system |
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| CN112525151A (en) * | 2020-12-25 | 2021-03-19 | 广东电网有限责任公司佛山供电局 | Full-automatic high-precision hierarchical settlement meter and control method thereof |
| CN112525151B (en) * | 2020-12-25 | 2022-05-20 | 广东电网有限责任公司佛山供电局 | Full-automatic high-precision layering settlement meter and control method thereof |
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Application publication date: 20150916 |