CN106895787A - Deformation monitoring system and method based on visible ray location technology - Google Patents
Deformation monitoring system and method based on visible ray location technology Download PDFInfo
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- CN106895787A CN106895787A CN201710108052.4A CN201710108052A CN106895787A CN 106895787 A CN106895787 A CN 106895787A CN 201710108052 A CN201710108052 A CN 201710108052A CN 106895787 A CN106895787 A CN 106895787A
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- monitoring point
- deformation
- visible light
- signal
- light source
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
Abstract
The present invention provides a kind of deformation monitoring system based on visible ray location technology, including signal control module, VISIBLE LIGHT EMISSION module, main detector, secondary detector and signal processing module；VISIBLE LIGHT EMISSION module is visible light source；Signal control module drives visible light source to light according to certain rules；There is monitoring point to be monitored, each monitoring point is provided with main detector and secondary detector；Main detector includes photoelectric sensor, and secondary detector includes blacking shelter and the photodiode on blacking shelter；Signal processing module includes Signal-regulated kinase, for judging whether monitoring point has the microprocessor of deformation.The present invention is modulated using the light source required for illumination itself, and corresponding detector is set in monitoring point, only need to show that monitoring point, with the presence or absence of deformation, is installed easy to implement and permanently effective, with low cost by processing the output electric signal of each monitoring point.
Description
Technical field
The invention belongs to visible ray field of locating technology, and in particular to a kind of deformation monitoring system and side based on visible ray
Method.
Background technology
In coal mine, cage guide is the vertical running track of mine, is the important channel for maintaining ground and underground mine roadway.
Cage guide can limit cage and all around swing as the guider run up and down in three-dimensional pit shaft, ensure that cage is smooth
Continuously orbit.However, in coal mine underground recovery process, silo coal tub way is susceptible to a certain degree of deflection and change
Shape.Cage guide deformation is light then to increase resistance, and rub cage shoe, influence production；It is heavy then card tank occurs, falls the major accidents such as tank, direct prestige
Side of body miner's life security.The monitoring method to the deformation of colliery cage guide has at present：1. artificial geometric measurement method；2. shaft section measurement
The specialty measuring instrument such as instrument；3. the cage guide system for monitoring displacement of laser ranging is based on.
For manual measurement, the method needs staffing to be welded and fixation with steel wire, complex operation and to expend
A large amount of manpower and materials, it is with high costs.And artificial disturbing factor is very big, measurement result limited accuracy.
Special instrument method is very high to instrument and operating personnel's requirement, and the inadequate intelligence of data procedures that its analysis is tested
Can, computational accuracy is relatively low, takes more long, it is necessary to a large amount of personnel's cooperations are completed.
The problem of the cage guide system for monitoring displacement based on laser ranging is, the sample frequency of laser displacement sensor compared with
Low, measurement distance is limited, and applicability is limited, and equipment manufacturing cost is expensive, and complex circuit is not suitable for long-term work in the presence of a harsh environment.
Additionally, the frequent starting and power electronic devices of high-power electrical equipment, the use of houlage network in mine so that
Downhole electromagnetic environment is more and more severe.The electromagnetic interference phenomenon that it is caused can cause equipment, transmission channel or systematic function to decline,
Key issue as influence downhole safety production.So, under such a electromagnetic susceptibility environment, it is also difficult to use conventional electricity
Magnetic wave positioning means carry out monitoring.
The content of the invention
The technical problem to be solved in the present invention is：A kind of deformation monitoring system and side based on visible ray location technology are provided
Method, it is easy to implement, and it is permanently effective, with low cost.
The present invention is for the solution technical scheme taken of above-mentioned technical problem：A kind of shape based on visible ray location technology
Change monitoring system and method, it is characterised in that：It includes signal control module, VISIBLE LIGHT EMISSION module, main detector, secondary spy
Survey device and signal processing module；
Described VISIBLE LIGHT EMISSION module is in be monitored several uniform visible light sources；
Described signal control module is used to drive several described visible light sources to light according to certain rules, and the same time
Only one of which visible light source is lighted, and each visible light source lights one time for a cycle；
Several monitoring points are distributed with to be monitored, the main detector being equipped with each monitoring point described in and an institute
The secondary detector stated；Described main detector includes photoelectric sensor, described secondary detector include blacking shelter and
Photodiode on blacking shelter；
Described signal processing module is included for the electric signal of photoelectric sensor and photodiode to be amplified and modulus
The Signal-regulated kinase of conversion, for judging whether monitoring point has deformation, monitoring point deformation according to the electric signal after analog-to-digital conversion
Orientation and deformation degree microprocessor.
By said system, described is to be monitoredly unloading can road inwall to be monitored, and described visible light source is 4, in right
Right-angled intersection is distributed on the horizontal cross-section of unloading can road inwall to be monitored.
By said system, described visible light source is LED.
By said system, described signal control module replaces point successively specifically for 4 visible light sources described in driving
It is bright.
By said system, described unloading can road inwall to be monitored is quaternary formation bottom and the upper and lower 5m areas of basement rock interface
Domain.
By said system, at interval of 4cm2Monitoring point described in one is set.
The deformation monitoring method realized using the described colliery cage guide deformation monitoring system based on visible ray, its feature is existed
In：It is comprised the following steps：
S1, the drive signal sequential sent according to signal control module, it is determined that current visible light source, reads each monitoring point light in real time
The electric signal of electric transducer and photodiode；
S2, the electric signal by the current photoelectric sensor for reading, compared with initial electrical signal under equal state, if current read
Electric signal it is unchanged, judge that current cage guide is normal, if the electric signal of certain monitoring point photoelectric sensor changes, order should
Monitoring point is suspicious monitoring point, is determined whether；Described equal state is the electric signal with the photoelectric sensor for currently reading
When the visible light source lighted is identical, photoelectric sensor is identical；The telecommunications that initial electrical signal is obtained when being the normal cage guide for prestoring
Number；
S3, judge whether the electric signal of suspicious monitoring point photodiode occurs or phase identical with suspicious monitoring point photoelectric sensor
As change, described similar implication is identical for trend, and variable quantity is in certain error range；If then entering S4；If
Without then judging that suspicious monitoring point deforms upon, and by the time of a cycle, analyze described suspicious monitoring point and respectively may be used
The relative position change of light source is seen, so as to draw the deformation orientation and deformation degree of suspicious monitoring point；
The electric signal of S4, suspicious monitoring point photoelectric sensor described in acquisition N number of cycle and photodiode, if the electricity for obtaining
Signal recurrent fluctuations, then judge that visible light source is unstable；If the electric signal for obtaining is consistent, judge to be located at suspicious monitoring point
Blacking shelter at deform upon.
Beneficial effects of the present invention are：Light source required for being illuminated using ground to be monitored itself is modulated, and in monitoring
Point sets corresponding detector, and when monitoring point deforms upon, the optical signal that detector is received can change defeated so as to cause
Go out electric signal to change, it is only necessary to draw monitoring point with the presence or absence of becoming by processing the output electric signal of each monitoring point
Shape, installs easy to implement and permanently effective, with low cost, is particularly suited for coal mine, heavy industry workshop or other electromagnetic fields
The room area of serious interference.
Brief description of the drawings
Fig. 1 is the system principle schematic diagram of one embodiment of the invention.
Fig. 2 is the schematic diagram of signal processing module in Fig. 1.
Fig. 3 is the system scheme of installation of one embodiment of the invention.
Fig. 4 is the structural representation of secondary detector.
Fig. 5 is the method flow diagram of one embodiment of the invention.
Fig. 6 is the visible light source drive signal timing diagram of one embodiment of the invention.
In figure：1- unloading can road inwalls to be monitored, the visible light sources of 2-1- first, the visible light sources of 2-2- second, 2-3- the 3rd can
See light source, the visible light sources of 2-4- the 4th, 3- monitoring points, 3-1- blacking shelters, 3-2- photodiodes.
Specific embodiment
With reference to instantiation and accompanying drawing, the present invention will be further described.
The present invention provides a kind of deformation monitoring system and method based on visible ray location technology, as depicted in figs. 1 and 2,
It includes signal control module, VISIBLE LIGHT EMISSION module, main detector, secondary detector and signal processing module；Described can
See that light emission module is uniform several visible light sources on unloading can road inwall horizontal cross-section to be monitored；Described signal control
Module is used to drive several described visible light sources to light according to certain rules, and same time only one of which visible ray source point
Bright, each visible light source lights one time for a cycle；Several monitoring points are distributed with unloading can road inwall to be monitored, each
The main detector being equipped with monitoring point described in one and the secondary detector described in；Described main detector includes photoelectricity
Sensor, as shown in figure 4, described secondary detector includes blacking shelter 3-1 and the photoelectricity on blacking shelter 3-1
Diode 3-2；Described signal processing module is included for the electric signal of photoelectric sensor and photodiode to be amplified
With the Signal-regulated kinase of analog-to-digital conversion, for according to the electric signal after analog-to-digital conversion judge monitoring point whether have deformation, monitoring
The orientation of point deformation and the microprocessor of deformation degree.
According to a large amount of practice have shown that, coal mine shaft lining well shaft destroyed position nearly all has a common boundary in quaternary formation bottom and basement rock
Near face, so as shown in figure 3, the unloading can road inwall 1 to be monitored described in the present embodiment is quaternary formation bottom and basement rock
The upper and lower 5m regions of interface.Visible light source is 4 LED, i.e. the-the first visible light source 2-1, the second visible light source 2- in the present embodiment
2nd, the 3rd visible light source 2-3, the 4th visible light source 2-4, are distributed in right-angled intersection.At interval of 4cm2Prison described in one is set
Measuring point 3.
In the present embodiment, described signal control module replaces point successively specifically for 4 visible light sources described in driving
It is bright, as shown in Figure 6.Signal control module includes microcontroller, isolation circuit and amplifying circuit in the present embodiment.First, root
According to number of light sources and its Frequency Response, it is determined that driving the time delay of the dutycycle, frequency and each light source of square-wave signal.Secondly,
Write drive signal code to be loaded into microcontroller, make microcontroller P1.0-P1.3Four pins produce signal as shown in Figure 6.
When microcontroller is started working, four pins are circulated successively there is high level to drive four LED alternately to flash successively, and
Because flicker frequency is higher, normal illumination is not interfered with.Due to the difference of lighting timings, each LED light source can be distinguished from each other, therefore
And complete the ID numberings to light source.Main detector, secondary detector and its adjunct circuit employ TEMT6000 ambient lights biography
Sensor module replaces.The analog quantity that ambient light sensor is exported is processed as digital quantity incoming micro- place again by A/D conversion chips
Reason device, with the Treatment Analysis of the complete pair signals of microprocessor, draw current cage guide situation be " normal ", " deforming upon " or
Result, is finally fed back to staff by " flashing is fixed " by mining communication line.
In the present embodiment, blacking shelter 3-1 is blacking cube thin plate, and photodiode 3-2 is fixed on blacking cube
On body thin plate, blacking cube thin plate is drawn support bar and is fixed with tank skin by four angles, and main detector is arranged on blacking shelter
The underface of 3-1.With space geometry projection theory, in initial position, generations of the blacking shelter 3-1 under light source irradiation
Shade is not fallen within main detector photosurface, so the detection to initial position visible ray will not be weakened.And work as monitoring site
Put when changing, the shadow surface of blacking shelter 3-1 can be incident upon on the photosurface of main detector, so as to amplify optical signal change
Change amplitude.Blacking shelter can amplify change in optical signal amplitude.Also, photodiode 3-2 being capable of provided auxiliary treatment letter
Number, expand monitoring inducing function.
As shown in figure 5, the deformation monitoring side realized using the described colliery cage guide deformation monitoring system based on visible ray
Method, it is comprised the following steps：
S1, the drive signal sequential sent according to signal control module, it is determined that current visible light source, reads each monitoring point light in real time
The electric signal of electric transducer and photodiode；
S2, the electric signal by the current photoelectric sensor for reading, compared with initial electrical signal under equal state, if current read
Electric signal it is unchanged, judge that current cage guide is normal, if the electric signal of certain monitoring point photoelectric sensor changes, order should
Monitoring point is suspicious monitoring point, is determined whether；Described equal state is the electric signal with the photoelectric sensor for currently reading
When the visible light source lighted is identical, photoelectric sensor is identical；The telecommunications that initial electrical signal is obtained when being the normal cage guide for prestoring
Number；
S3, judge whether the electric signal of suspicious monitoring point photodiode occurs or phase identical with suspicious monitoring point photoelectric sensor
As change, described similar implication is identical for trend, and variable quantity is in certain error range；If then entering S4；If
Without then judging that suspicious monitoring point deforms upon, and by the time of a cycle, analyze described suspicious monitoring point and respectively may be used
The relative position change of light source is seen, so as to draw the deformation orientation and deformation degree of suspicious monitoring point；
The electric signal of S4, suspicious monitoring point photoelectric sensor described in acquisition N number of cycle and photodiode, if the electricity for obtaining
Signal recurrent fluctuations, then judge that visible light source is unstable；If the electric signal for obtaining is consistent, judge to be located at suspicious monitoring point
Blacking shelter at deform upon.
Based on above-described embodiment, the colliery cage guide deformation monitoring system based on visible LED has following three process：1. lead to
Crossing signal control module carries out ID numberings to LED, and sends visible ray for cage guide illumination by VISIBLE LIGHT EMISSION module；2. main spy
Survey device and secondary detector and the optical signal of sensing point is converted into electric signal for processing in real time；3. signal processing module completes right
The analysis of whole cage guide situation simultaneously feeds back to staff.
Herein only by taking unloading can road inwall to be monitored as an example, the present invention could be applicable to other to be needed to monitor the place of deformation,
What is utilized based on the present invention is visible ray, and anti-electromagnetic interference capability is strong, present invention is particularly suitable for the deformation prison in electromagnetic susceptibility area
Survey.
Above example is merely to illustrate design philosophy of the invention and feature, its object is to make technology in the art
Personnel will appreciate that present disclosure and implement according to this that protection scope of the present invention is not limited to above-described embodiment.So, it is all according to
The equivalent variations made according to disclosed principle, mentality of designing or modification, within protection scope of the present invention.
Claims (7)
1. a kind of deformation monitoring system based on visible ray location technology, it is characterised in that：It includes signal control module, visible
Light emission module, main detector, secondary detector and signal processing module；
Described VISIBLE LIGHT EMISSION module is in be monitored several uniform visible light sources；
Described signal control module is used to drive several described visible light sources to light according to certain rules, and the same time
Only one of which visible light source is lighted, and each visible light source lights one time for a cycle；
Several monitoring points are distributed with to be monitored, the main detector being equipped with each monitoring point described in and an institute
The secondary detector stated；Described main detector includes photoelectric sensor, described secondary detector include blacking shelter and
Photodiode on blacking shelter；
Described signal processing module is included for the electric signal of photoelectric sensor and photodiode to be amplified and modulus
The Signal-regulated kinase of conversion, for judging whether monitoring point has deformation, monitoring point deformation according to the electric signal after analog-to-digital conversion
Orientation and deformation degree microprocessor.
2. the deformation monitoring system based on visible ray location technology according to claim 1, it is characterised in that：Described treats
Monitoring ground is unloading can road inwall to be monitored, and described visible light source is 4, is distributed in unloading can road to be monitored in right-angled intersection
On the horizontal cross-section of wall.
3. the deformation monitoring system based on visible ray location technology according to claim 1, it is characterised in that：Described can
See that light source is LED.
4. the deformation monitoring system based on visible ray location technology according to claim 2, it is characterised in that：Described letter
Number control module is alternately lighted successively specifically for 4 visible light sources described in driving.
5. the deformation monitoring system based on visible ray location technology according to claim 2, it is characterised in that：Described treats
Monitoring unloading can road inwall is quaternary formation bottom and the upper and lower 5m of basement rock interface.
6. the deformation monitoring system based on visible ray location technology according to claim 1, it is characterised in that：At interval of
4cm2Monitoring point described in one is set.
7. the deformation monitoring method realized using the deformation monitoring system based on visible ray location technology described in claim 1,
It is characterized in that：It is comprised the following steps：
S1, the drive signal sequential sent according to signal control module, it is determined that current visible light source, reads each monitoring point light in real time
The electric signal of electric transducer and photodiode；
S2, the electric signal by the current photoelectric sensor for reading, compared with initial electrical signal under equal state, if current read
Electric signal it is unchanged, judge that current landform is normal, if the electric signal of certain monitoring point photoelectric sensor changes, order should
Monitoring point is suspicious monitoring point, is determined whether；Described equal state is the electric signal with the photoelectric sensor for currently reading
When the visible light source lighted is identical, photoelectric sensor is identical；The telecommunications that initial electrical signal is obtained when being the normal landform for prestoring
Number；
S3, judge whether the electric signal of suspicious monitoring point photodiode occurs or phase identical with suspicious monitoring point photoelectric sensor
As change, described similar implication is identical for trend, and variable quantity is in certain error range；If then entering S4；If
Without then judging that suspicious monitoring point deforms upon, and by the time of a cycle, analyze described suspicious monitoring point and respectively may be used
The relative position change of light source is seen, so as to draw the deformation orientation and deformation degree of suspicious monitoring point；
The electric signal of S4, suspicious monitoring point photoelectric sensor described in acquisition N number of cycle and photodiode, if the electricity for obtaining
Signal recurrent fluctuations, then judge that visible light source is unstable；If the electric signal for obtaining is consistent, judge to be located at suspicious monitoring point
Blacking shelter at deform upon.
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| CN201710108052.4A CN106895787B (en) | 2017-02-27 | 2017-02-27 | Deformation monitoring system and method based on visible light location technology |
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| CN201710108052.4A CN106895787B (en) | 2017-02-27 | 2017-02-27 | Deformation monitoring system and method based on visible light location technology |
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| CN106895787B CN106895787B (en) | 2019-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609803A (en) * | 2020-06-08 | 2020-09-01 | 霍州煤电集团有限责任公司辛置煤矿 | Coal mine vertical shaft cage guide distance detection device and method capable of extracting textures and colors |
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| CN201680823U (en) * | 2010-05-21 | 2010-12-22 | 中国矿业大学 | Dynamic measuring device for roadway surrounding rock deformation |
| CN201811722U (en) * | 2010-10-13 | 2011-04-27 | 中铁二十四局集团有限公司 | Tunnel surrounding rock deformation monitoring and alarm device |
| CN103017673A (en) * | 2012-12-26 | 2013-04-03 | 中铁二十四局集团有限公司 | Real-time continuous monitoring alarming method for tunnel surrounding rock deformation |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030016362A1 (en) * | 2001-06-26 | 2003-01-23 | Micro Chemical Systems Limited | Depth and concentration estimation |
| CN101408410A (en) * | 2008-10-28 | 2009-04-15 | 山东科技大学 | Tunnel volume element deformation movable monitoring system and method |
| CN101458069A (en) * | 2008-12-30 | 2009-06-17 | 中铁二十四局集团福建铁路建设有限公司 | Tunnel wall rock deformation monitoring method and monitoring system thereof |
| CN201680823U (en) * | 2010-05-21 | 2010-12-22 | 中国矿业大学 | Dynamic measuring device for roadway surrounding rock deformation |
| CN201811722U (en) * | 2010-10-13 | 2011-04-27 | 中铁二十四局集团有限公司 | Tunnel surrounding rock deformation monitoring and alarm device |
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| CN111609803A (en) * | 2020-06-08 | 2020-09-01 | 霍州煤电集团有限责任公司辛置煤矿 | Coal mine vertical shaft cage guide distance detection device and method capable of extracting textures and colors |
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