CN109612670A - A kind of protective net monitoring method, system and terminal device - Google Patents
A kind of protective net monitoring method, system and terminal device Download PDFInfo
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- CN109612670A CN109612670A CN201811494597.4A CN201811494597A CN109612670A CN 109612670 A CN109612670 A CN 109612670A CN 201811494597 A CN201811494597 A CN 201811494597A CN 109612670 A CN109612670 A CN 109612670A
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- protective net
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- static strain
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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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
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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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The present invention provides a kind of protective net monitoring method, system and terminal device, monitoring method includes: at the time of obtaining protective net static strain, impact signal peak value and the sensor that the dynamic demodulation instrument is got from sensor to detect impact signal；According to the protective net static strain, protective net load is calculated；According to the impact signal peak value and the protective net static strain, the impact str of the protective net is calculated；By analyzing the impact str of the protective net load, the protective net static strain and the protective net, alarm signal is issued.Sensor and dynamic demodulation instrument of the present invention by setting, the variation of real-time monitoring protective net realize the real-time monitoring to protective net by the variable quantity of analyte sensors and the collected protective net of dynamic demodulation instrument.
Description
Technical field
The invention belongs to safety monitoring technology field more particularly to a kind of protective net monitoring methods, system and terminal device.
Background technique
With the rapid economic development in our country, domestic traffic transporting facility is also quickly being built, in recent years at a high speed
The basic traffic transporting facility such as railway and highway develops swifter and more violent.During building transportation facility, although
Designer can go to avoid some bad geologic provinces as far as possible and concentrate the region that rockfall occurs, but due to China
Mountain area and high hillside fields section coverage area it is very big, always having some special areas can not avoid, in order to avoid rockfall etc.
Foreign matter invades the generation of the accidents such as communications and transportation line, and part Along Traffic Trunk Lines side slope is provided with protective net.
But it is less for the safety monitoring research of protective net at present, the prior art cannot supervise in real time protective net
It surveys.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of protective net monitoring method, system and terminal device, it is existing to solve
There is the problem of cannot carrying out real-time monitoring to protective net in technology.
The first aspect of the embodiment of the present invention provides a kind of protective net monitoring method, comprising: is applied to protective net and monitors
System, the monitoring system include: the sensor being arranged on protective net, setting the protective net periphery and with sensor phase
The dynamic demodulation instrument of connection；
Monitoring method, comprising:
The protective net static strain and impact signal peak value that the dynamic demodulation instrument is got from sensor are obtained, and is remembered
At the time of recording the sensor and monitor impact signal；
According to the protective net static strain, protective net load is calculated；
According to the impact signal peak value and the protective net static strain, the impact that the protective net is calculated is answered
Become；
By analyzing the impact str of the protective net load, the protective net static strain and the protective net, issue
Alarm signal.
The second aspect of the embodiment of the present invention provides a kind of protective net monitoring system, comprising: is arranged on protective net
Sensor, the dynamic demodulation instrument and message processing module that the protective net periphery is set and is connected with the sensor；
The message processing module includes: that information acquisition unit, the first computing unit, the second computing unit and alarm are single
Member；
The information acquisition unit, it is quiet for obtaining the protective net that the dynamic demodulation instrument is got from the sensor
State strain and impact signal peak value, and at the time of record the sensor and monitor impact signal；
First computing unit, for protective net load to be calculated according to the protective net static strain；
Second computing unit, for calculating according to the impact signal peak value and the protective net static strain
To the impact str of the protective net；
The alarm unit, for by analyzing the protective net load, the protective net static strain and the protection
The impact str of net issues alarm signal.
The third aspect of the embodiment of the present invention provides a kind of terminal device, including memory, processor and is stored in
In the memory and the computer program that can run on the processor, when the processor executes the computer program
The step of realizing protective net monitoring method as described above.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, and the computer program realizes protective net monitoring method as described above when being executed by processor
Step.
Existing beneficial effect is the embodiment of the present invention compared with prior art: the present invention passes through the sensor of setting and moves
State (FBG) demodulator, the variation of real-time monitoring protective net pass through the variation of analyte sensors and the collected protective net of dynamic demodulation instrument
Amount realizes the real-time monitoring to protective net.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the flow diagram for the protective net monitoring method that one embodiment of the present of invention provides；
Fig. 2 be another embodiment of the present invention provides protective net monitoring method flow diagram；
Fig. 3 is the structural schematic diagram for the protective net monitoring system that one embodiment of the present of invention provides；
Fig. 4 is the schematic diagram for the terminal device that one embodiment of the present of invention provides.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
Description and claims of this specification and term " includes " and other any deformations in above-mentioned attached drawing are
Refer to " including but not limited to ", it is intended that cover and non-exclusive include.Such as the process, method comprising a series of steps or units
Or system, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing
Or unit, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.In addition, art
Language " first ", " second " and " third " etc. is for distinguishing different objects, not for description particular order.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Embodiment 1:
Fig. 1 shows the implementation flow chart of protective net monitoring method provided by one embodiment of the invention, for the ease of saying
Bright, only parts related to embodiments of the present invention are shown, and details are as follows:
As shown in Figure 1, a kind of protective net monitoring method provided by the embodiment of the present invention, is applied to protective net monitoring system
System, the monitoring system include: the sensor being arranged on protective net, setting the protective net periphery and with the sensor
Be connected dynamic demodulation instrument.
In the present embodiment, sensor is installed on the wire rope net (or ring network) of protective net.
Monitoring method, comprising:
In step s101, obtain protective net static strain that the dynamic demodulation instrument is got from the sensor and
Impact signal peak value, and at the time of record sensor and detect impact signal.
In the present embodiment, protective net static strain refers to when not falling object or falling rocks, when protective net remains static
Protective net strain.
In the present embodiment, sensor is used to perceive the variation of protective net, and dynamic demodulation instrument is used to obtain the letter of sensor
Number and the signal calculating of sensor perception is converted to required variable quantity, and variable quantity is transferred out.
In step s 102, according to the protective net static strain, protective net load is calculated.
In step s 103, it according to the impact signal peak value and the protective net static strain, is calculated described anti-
The impact str of protective net.
In step S104, by analyzing the protective net load, the protective net static strain and the protective net
Impact str issues alarm signal.
In one embodiment of the invention, protective net includes several sub-regions, is designed in each subregion described
Sensor described in dynamic demodulation instrument, one or at least three.
In one embodiment of the invention, sensor is electricity strain transducer or optical fiber class strain transducer.
In the present embodiment, electricity strain transducer can be the sensor of resistance strain gage composition, the strain of optical fiber class
Sensor can be fiber Bragg grating strain sensor.
In one embodiment of the invention, dynamic demodulation instrument is electrical signal (FBG) demodulator or optical signalling (FBG) demodulator.
In the present embodiment, electrical signal (FBG) demodulator can be dynamic electric resistor Acquisition Instrument, and optical signalling (FBG) demodulator can be
Dynamic Optical Fiber grating demodulation instrument.
In one embodiment of the invention, step S102 includes:
Wherein, ε is the protective net static strain, and σ is protective net stress, and E is protective net equivalent elastic modulus, and A is anti-
Protective net equivalent cross-sectional area, F are the protective net load.
In the present embodiment, the pulling force of protective net increases with the increase of pendant object and falling rocks.
In one embodiment of the invention, step S103 includes:
B=M- ε
Wherein, B is the impact str of the protective net, and M is the impact signal peak value, and ε is that the protective net static state is answered
Become.
In the present embodiment, the protective net impact str under rockfall percussion is in not only positive with the momentum of falling rocks
Close, in the case where falling rocks momentum is certain, the functional relation of the momentum of protective net impact str and falling rocks also by falling rocks size, fall
Stone and the factors such as protective net action time and protective net rigidity influence, and the function of the momentum of protective net impact str and falling rocks closes
System can be obtained by finite element modelling and experiment.
In one embodiment of the invention, step S104 includes:
If the protective net load is greater than default protective net load, alarm signal is issued.
If the protective net static strain currently acquired is less than the protective net static strain of last moment acquisition, prevent
Protective net is damaged, then issues alarm signal.
If the impact str of the protective net is greater than default protective net impact str, alarm signal is issued.
In the present embodiment, if the protective net static strain currently acquired is less than the protection of last moment acquisition
Net static strain illustrates that protective net is damaged, stress release, and the strain for causing sensor to measure reduces, then issues alarm signal
Number, remind staff to check replacement protective net in time.
In the present embodiment, if the protective net load is greater than default protective net load or the protective net load reaches
The 80% of default protective net load, then carry out different brackets early-warning and predicting, clears up protective net in time and falls object, prevents protective net from overloading
Destruction causes disaster accident to occur.
In the present embodiment, it if the impact str of the protective net is greater than default protective net impact str, alarms, and
When check protection net state, prevent falling rocks etc. pendant object fall when protective net is worn out.
As shown in Fig. 2, in one embodiment of the invention, after step s 103, further includes:
In step S1104, the time of impact signal is detected according to the coordinate of sensor and the sensor, is calculated simultaneously
Analysis obtains the position of the falling rocks.
In the present embodiment, in order to obtain the accurate location of falling rocks, the pendant object such as falling rocks is cleared up in time.
In one embodiment of the invention, step S1104 includes:
If the sensor is one, the sensor detects impact signal, then has falling rocks to fall；
If the sensor be at least three, according to the coordinate of sensor and the sensor detect impact signal when
It carves, calculates and analyze to obtain the position of the falling rocks.
In the present embodiment, protective net is divided into several sub-regions, if a sensor is arranged in each subregion, which
The sensor in region detects impact signal, then falling rocks occurs in which region, can probably determine the position of falling rocks.
In the present embodiment, it if at least three sensors are arranged in each subregion, can be arrived according to sensor man is cruel
Impact signal can accurately determine the coordinate of falling rocks.
In one embodiment of the invention, at least there are three in the presence of sensor, the coordinate determination method of falling rocks are as follows:
On two-dimensional surface, falling rocks position coordinates are at a distance from sensor are as follows:
The equation that two sensors obtain subtracts each other to obtain the Euclidean distance between sensor and falling rocks:
In the plane, above-mentioned formula is using two sensors as the hyperbola of intersection point, and any point has on hyperbola
It may be potential falling rocks fixed point, to determine falling rocks accurate location, it is necessary to it is further added by sensor, forms new hyperbola, these
Intersection point between hyperbola is exactly falling rocks position coordinates.
Wherein, x0、y0For the position of the falling rocks, t0At the time of falling on the protective net for the falling rocks, x1、y1It is first
The coordinate of a sensor, t1At the time of detecting impact signal for first sensor, v is the transmission of the impact signal
Speed, x2、y2For the coordinate of second sensor, t2At the time of detecting impact signal for second sensor, x3、y3For
The coordinate of third sensor, t3At the time of detecting impact signal for the third sensor.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
Embodiment 2:
As shown in figure 3, the protective net that one embodiment of the present of invention provides monitors system 100, for executing corresponding to Fig. 1
Embodiment in method and step comprising:
The sensor 110 being arranged on protective net, the dynamic resolution that protective net periphery is set and is connected with the sensor
Adjust instrument 120 and message processing module 130；
The message processing module includes: information acquisition unit 301, the first computing unit 302, the second computing unit 303
With alarm unit 304；
The information acquisition unit 301, the protective net got for obtaining the dynamic demodulation instrument from the sensor
Static strain and impact signal peak value, and at the time of record sensor and detect impact signal；
First computing unit 302, for protective net load to be calculated according to the protective net static strain；
Second computing unit 303, for calculating according to the impact signal peak value and the protective net static strain
Obtain the impact str of the protective net；
The alarm unit 304, for by analyzing the protective net load, the protective net static strain and described anti-
The impact str of protective net issues alarm signal.
In one embodiment of the invention, protective net includes several sub-regions, is designed in each subregion described
Sensor described in dynamic demodulation instrument, one or at least three.
In one embodiment of the invention, sensor is electricity strain transducer or optical fiber class strain transducer.
In one embodiment of the invention, dynamic demodulation instrument is electrical signal (FBG) demodulator or optical signalling (FBG) demodulator.
In one embodiment of the invention, the first computing unit includes:
Wherein, ε is the protective net static strain, and σ is protective net stress, and E is protective net equivalent elastic modulus, and A is anti-
Protective net equivalent cross-sectional area, F are the protective net load.
In one embodiment of the invention, the second computing unit includes:
B=M- ε
Wherein, B is the impact str of the protective net, and M is the impact signal peak value, and ε is that the protective net static state is answered
Become.
In one embodiment of the invention, alarm unit includes:
First analysis subelement issues alarm signal if being greater than default protective net load for the protective net load.
Second analysis subelement, if the protective net static strain for currently acquiring is less than the institute of last moment acquisition
Protective net static strain is stated, protective net is damaged, then issues alarm signal.
Third analyzes subelement, if the impact str for the protective net is greater than default protective net impact str, sends out
Alarm signal out.
In one embodiment of the invention, it is connected with the second computing unit further include:
Position determination unit detects the time of impact signal for the coordinate and the sensor according to sensor, meter
It calculates and analyzes to obtain the position of the falling rocks.
In one embodiment of the invention, position determination unit includes:
First position determines subelement, if being one for the sensor, the sensor detects impact signal, then
There is falling rocks to fall；
The second position determines subelement, if being at least three for the sensor, according to the coordinate of sensor and described
At the time of sensor detects impact signal, calculates and analyze to obtain the position of the falling rocks.
In one embodiment of the invention, the second position determines that subelement includes:
On two-dimensional surface, falling rocks position coordinates are at a distance from sensor are as follows:
The equation that two sensors obtain subtracts each other to obtain the Euclidean distance between sensor and falling rocks:
In the plane, above-mentioned formula is using two sensors as the hyperbola of intersection point, and any point has on hyperbola
It may be potential falling rocks fixed point, to determine falling rocks accurate location, it is necessary to it is further added by sensor, forms new hyperbola, these
Intersection point between hyperbola is exactly falling rocks position coordinates.
Wherein, x0、y0For the position of the falling rocks, t0At the time of falling on the protective net for the falling rocks, x1、y1It is first
The coordinate of a sensor, t1At the time of detecting impact signal for first sensor, v is the transmission of the impact signal
Speed, x2、y2For the coordinate of second sensor, t2At the time of detecting impact signal for second sensor, x3、y3For
The coordinate of third sensor, t3At the time of detecting impact signal for the third sensor.
It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function
The division progress of module can according to need and for example, in practical application by above-mentioned function distribution by different function moulds
Block is completed, i.e., the internal structure of the described protective net monitoring system is divided into different functional modules, described above complete to complete
Portion or partial function.Each functional module in embodiment can integrate in one processing unit, be also possible to each unit
It physically exists alone, can also be integrated in one unit with two or more units, above-mentioned integrated module can both adopt
With formal implementation of hardware, can also realize in the form of software functional units.In addition, the specific name of each functional module
It is only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Module in above-mentioned protective net monitoring system
Specific work process, can be with the corresponding process in reference implementation example 1, and details are not described herein.
Embodiment 3:
Fig. 4 is the schematic diagram for the terminal device that one embodiment of the invention provides.As shown in figure 4, the terminal of the embodiment is set
Standby 4 include: processor 40, memory 41 and are stored in the meter that can be run in the memory 41 and on the processor 40
Calculation machine program 42.The processor 40 is realized in each embodiment as described in example 1 above when executing the computer program 42
The step of, such as step S101 to S104 shown in FIG. 1.Alternatively, reality when the processor 40 executes the computer program 42
The function of each module/unit in each system embodiment now as described in example 2 above, such as module 110 to 130 shown in Fig. 3
Function.
The terminal device 4 refers to the terminal with data-handling capacity, including but not limited to computer, work station, clothes
Business device, the smart phone more even haveing excellent performance, palm PC, tablet computer, personal digital assistant (PDA), intelligence electricity
Depending on (Smart TV) etc..Operating system is generally fitted on terminal device, including but not limited to: Windows operating system,
LINUX operating system, Android (Android) operating system, Symbian operating system, Windows mobile operating system, with
And iOS operating system etc..The specific example of terminal device 4 is enumerated in detail above, it will be appreciated by those of skill in the art that
Terminal device is not limited to above-mentioned enumerate example.
The terminal device may include, but be not limited only to, processor 40, memory 41.Those skilled in the art can manage
Solution, Fig. 4 is only the example of terminal device 4, does not constitute the restriction to terminal device 4, may include more or more than illustrating
Few component perhaps combines certain components or different components, such as the terminal device 4 can also include input and output
Equipment, network access equipment, bus etc..
Alleged processor 40 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 41 can be the internal storage unit of the terminal device 4, such as the hard disk or interior of terminal device 4
It deposits.The memory 41 is also possible to the External memory equipment of the terminal device 4, such as be equipped on the terminal device 4
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card dodge
Deposit card (Flash Card) etc..Further, the memory 41 can also both include the storage inside list of the terminal device 4
Member also includes External memory equipment.The memory 41 is for storing needed for the computer program and the terminal device 4
Other programs and data.The memory 41 can be also used for temporarily storing the data that has exported or will export.
Embodiment 4:
The embodiment of the invention also provides a kind of computer readable storage medium, computer-readable recording medium storage has meter
Calculation machine program is realized the step in each embodiment as described in example 1 above, such as is schemed when computer program is executed by processor
Step S101 shown in 1 to step S104.Alternatively, realizing when the computer program is executed by processor such as institute in embodiment 2
The function of each module/unit in each system embodiment stated, such as the function of module 110 to 130 shown in Fig. 3.
The computer program can be stored in a computer readable storage medium, and the computer program is by processor
When execution, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code,
The computer program code can be source code form, object identification code form, executable file or certain intermediate forms etc..Institute
State computer-readable medium may include: can carry the computer program code any entity or device, recording medium,
USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), arbitrary access
Memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, embodiment 1 to 4 can in any combination, group
The new embodiment formed after conjunction is also within the scope of protection of this application.There is no the portion for being described in detail or recording in some embodiment
Point, it may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed terminal device and method can pass through it
Its mode is realized.For example, system described above/terminal device embodiment is only schematical, for example, the module
Or the division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple lists
Member or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point,
Shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device or unit
INDIRECT COUPLING or communication connection, can be electrical property, mechanical or other forms.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of protective net monitoring method, which is characterized in that be applied to protective net and monitor system, the monitoring system includes: to set
The dynamic resolution set the sensor on protective net, the protective net periphery is set and is connected on protective net with the sensor
Adjust instrument；
Monitoring method, comprising:
The protective net static strain and impact signal peak value that the dynamic demodulation instrument is got from the sensor are obtained, and is remembered
At the time of recording the sensor and detect impact signal；
According to the protective net static strain, protective net load is calculated；
According to the impact signal peak value and the protective net static strain, the impact str of the protective net is calculated；
By analyzing the impact str of the protective net load, the protective net static strain and the protective net, alarm is issued
Signal.
2. protective net monitoring method as described in claim 1, which is characterized in that it is described according to the protective net static strain,
Protective net load is calculated, comprising:
Wherein, ε is the protective net static strain, and σ is protective net stress, and E is protective net equivalent elastic modulus, and A is protective net
Equivalent cross-sectional area, F are the protective net load.
3. protective net monitoring method as described in claim 1, which is characterized in that described according to the impact signal peak value and institute
Protective net static strain is stated, the impact str of the protective net is calculated, comprising:
B=M- ε
Wherein, B is the impact str of the protective net, and M is the impact signal peak value, and ε is the protective net static strain.
4. protective net monitoring method as described in claim 1, which is characterized in that it is described described according to the impact signal peak
Value and the protective net static strain, are calculated after the impact str of the protective net, further includes:
The time that impact signal is detected according to the coordinate of sensor and the sensor calculates and analyzes to obtain the falling rocks
Position.
5. protective net monitoring method as claimed in claim 4, which is characterized in that the coordinate according to sensor and the biography
At the time of sensor detects impact signal, calculates and analyzes to obtain the position of the falling rocks, comprising:
If the sensor is one, the sensor detects impact signal, then has falling rocks to fall；
If the sensor is at least three, at the time of detecting impact signal according to the coordinate of sensor and the sensor,
It calculates and analyzes to obtain the position of the falling rocks.
6. protective net monitoring method as claimed in claim 5, which is characterized in that if the sensor is at least three,
At the time of detecting impact signal according to the coordinate of sensor and the sensor, calculates and analyze to obtain the position of the falling rocks
It sets, comprising:
Wherein, x0、y0For the position of the falling rocks, t0At the time of falling on the protective net for the falling rocks, x1、y1It is passed for first
The coordinate of sensor, t1At the time of detecting impact signal for first sensor, v is the transmission speed of the impact signal
Degree, x2、y2For the coordinate of second sensor, t2At the time of detecting impact signal for second sensor, x3、y3It is
The coordinate of three sensors, t3At the time of detecting impact signal for the third sensor.
7. protective net monitoring method as described in claim 1, which is characterized in that it is described by analyze the protective net load,
The impact str of the protective net static strain and the protective net issues alarm signal, comprising:
If the protective net load is greater than default protective net load, alarm signal is issued；
If the protective net static strain currently acquired is less than the protective net static strain of last moment acquisition, protective net
Breakage then issues alarm signal；
If the impact str of the protective net is greater than default protective net impact str, alarm signal is issued.
8. a kind of protective net monitors system characterized by comprising sensor on protective net, setting is arranged in described anti-
Protective net periphery and the dynamic demodulation instrument and message processing module being connected with the sensor；
The message processing module includes: information acquisition unit, the first computing unit, the second computing unit and alarm unit；
The information acquisition unit is answered for obtaining the protective net static state that the dynamic demodulation instrument is got from the sensor
At the time of becoming and impact signal peak value, and record the sensor and monitor impact signal；
First computing unit, for protective net load to be calculated according to the protective net static strain；
Second computing unit, for institute to be calculated according to the impact signal peak value and the protective net static strain
State the impact str of protective net；
The alarm unit, for by analyzing the protective net load, the protective net static strain and the protective net
Impact str issues alarm signal.
9. a kind of terminal device, which is characterized in that in the memory and can be in institute including memory, processor and storage
The computer program run on processor is stated, the processor realizes such as claim 1 to 7 times when executing the computer program
The step of one protective net monitoring method.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence realizes the step of the protective net monitoring method as described in any one of claim 1 to 7 when the computer program is executed by processor
Suddenly.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196147A (en) * | 2019-05-21 | 2019-09-03 | 西南交通大学 | A kind of multidimensional multidirectional and multifunctional joint shock table |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090303460A1 (en) * | 2006-05-17 | 2009-12-10 | Bundesanstalt Fur Materialforschung Und-Prufung (Bam) | Reinforcement Element With Sensor Fiber, Monitoring System, And Monitoring Method |
| CN102354433A (en) * | 2011-10-14 | 2012-02-15 | 武汉理工光科股份有限公司 | Railway side slope crag rockfall monitoring and warning system based on fiber grating sensing technology |
| CN202743278U (en) * | 2011-12-23 | 2013-02-20 | 同方威视技术股份有限公司 | Information acquiring and analyzing and monitoring system for guard net |
| CN103171594A (en) * | 2011-12-23 | 2013-06-26 | 同方威视技术股份有限公司 | Railway foreign body line invading monitoring |
| CN203255212U (en) * | 2012-12-28 | 2013-10-30 | 同方威视技术股份有限公司 | Dangerous source signal catching system and protective screening monitoring system |
| CN103900486A (en) * | 2012-12-28 | 2014-07-02 | 同方威视技术股份有限公司 | Protection net monitoring system |
| CN104197988A (en) * | 2014-09-04 | 2014-12-10 | 厦门大学 | Large-scale structure sensing resource conflict and function reuse collaboration and fusion monitoring system |
| CN104458075A (en) * | 2014-12-31 | 2015-03-25 | 中国矿业大学 | Stress distribution monitoring device and method |
| CN105987680A (en) * | 2015-02-15 | 2016-10-05 | 熊清远 | Flexible grid guard deformation monitoring alarm system |
| CN107421622A (en) * | 2017-07-12 | 2017-12-01 | 石家庄铁道大学 | A kind of monitoring of railway falling rocks and localization method |
| CN108168822A (en) * | 2017-12-12 | 2018-06-15 | 山东大学 | Rockfall safeguard structure percussion lower stress monitoring model pilot system and method |
-
2018
- 2018-12-07 CN CN201811494597.4A patent/CN109612670B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090303460A1 (en) * | 2006-05-17 | 2009-12-10 | Bundesanstalt Fur Materialforschung Und-Prufung (Bam) | Reinforcement Element With Sensor Fiber, Monitoring System, And Monitoring Method |
| CN102354433A (en) * | 2011-10-14 | 2012-02-15 | 武汉理工光科股份有限公司 | Railway side slope crag rockfall monitoring and warning system based on fiber grating sensing technology |
| CN202743278U (en) * | 2011-12-23 | 2013-02-20 | 同方威视技术股份有限公司 | Information acquiring and analyzing and monitoring system for guard net |
| CN103171594A (en) * | 2011-12-23 | 2013-06-26 | 同方威视技术股份有限公司 | Railway foreign body line invading monitoring |
| CN203255212U (en) * | 2012-12-28 | 2013-10-30 | 同方威视技术股份有限公司 | Dangerous source signal catching system and protective screening monitoring system |
| CN103900486A (en) * | 2012-12-28 | 2014-07-02 | 同方威视技术股份有限公司 | Protection net monitoring system |
| CN104197988A (en) * | 2014-09-04 | 2014-12-10 | 厦门大学 | Large-scale structure sensing resource conflict and function reuse collaboration and fusion monitoring system |
| CN104458075A (en) * | 2014-12-31 | 2015-03-25 | 中国矿业大学 | Stress distribution monitoring device and method |
| CN105987680A (en) * | 2015-02-15 | 2016-10-05 | 熊清远 | Flexible grid guard deformation monitoring alarm system |
| CN107421622A (en) * | 2017-07-12 | 2017-12-01 | 石家庄铁道大学 | A kind of monitoring of railway falling rocks and localization method |
| CN108168822A (en) * | 2017-12-12 | 2018-06-15 | 山东大学 | Rockfall safeguard structure percussion lower stress monitoring model pilot system and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196147A (en) * | 2019-05-21 | 2019-09-03 | 西南交通大学 | A kind of multidimensional multidirectional and multifunctional joint shock table |
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|---|---|
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