CN109374444A - A kind of float stone intelligent detection device and method - Google Patents
A kind of float stone intelligent detection device and method Download PDFInfo
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- CN109374444A CN109374444A CN201811357295.2A CN201811357295A CN109374444A CN 109374444 A CN109374444 A CN 109374444A CN 201811357295 A CN201811357295 A CN 201811357295A CN 109374444 A CN109374444 A CN 109374444A
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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
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Abstract
The invention discloses a kind of float stone intelligent detection device and methods, belong to top plate float stone electric powder prediction, and intelligent detection device includes percussion mechanism, data monitoring device and the signal processing terminal；Percussion mechanism includes impact head, cylinder, valve and spring, and data monitoring device includes monitoring and sending that top plate float stone is hit vibration data shock sensor and top plate float stone is hit the audio sensor of audio data；The signal processing terminal includes signal pre-processing system, judgement system and display system.The present invention can efficient, accurate, intelligentized detection top plate float stone overhang, reduce the risk of " tapping ", improve work efficiency.
Description
Technical field
The present invention relates to top plate float stone electric powder prediction, more specifically to a kind of float stone intelligent detection device and
Method.
Background technique
After ore is adopted, overlying rock loses support, and the primitive stress equilibrium state before not adopting is by broken
It is bad.Due to gravity, rock mass must have whereabouts trend, in addition complicated geological structure and adopting, dig the vibration blown out, more increase emits
The hidden danger on top.
Float stone is dealt with improperly, and work lack of skill is excluded, and inspection is inconsiderate, and negligence is to cause to emit even without inspection
Push up one of casualty accident." tapping " is a flexibly and effectively turquoise detection method, is used at present main both at home and abroad
Method.But when crowbar inspection handles turquoise, there is certain limitation.The some mines of foreign country are at " tapping ", also using super
Acoustic detection, the means such as infrared radiation detection, and China mine by conditions such as technology, economy due to being limited, hence it is evident that there is floating
The disadvantages of life of testing staff is compromised safely when stone detection is not thorough and detects.
Therefore, how efficiently, accurately, intellectualized detection top plate float stone overhang, be current those skilled in the art urgently
Problem to be solved.
Summary of the invention
For the above-mentioned technical problems in the prior art, the invention proposes a kind of float stone intelligent detection device and sides
Method, design rationally, overcome the deficiencies in the prior art, have good effect.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of float stone intelligent detection device, including percussion mechanism, data monitoring device and the signal processing terminal；
Percussion mechanism is configurable for the detected top plate float stone of impact, provides ballistic work；
Data monitoring device, including shock sensor and audio sensor, wherein shock sensor is configurable for
Monitor and send the vibration data that top plate float stone is hit；Audio sensor is configurable for monitoring and sending top plate float stone
The audio data being hit；
The signal processing terminal, including signal pre-processing system, judge system, display system；It prestores and judges top plate float stone
First function relationship, second function relationship and the third functional relation of overhang；
First function relationship is configurable for vibration data, audio data and top plate that description top plate float stone is hit
The relationship of float stone overhang；Second function relationship is configurable for audio amplitude and shake that description top plate float stone is hit
The ratio of amplitude is moved further to judge the relationship of top plate float stone overhang；Third functional relation, is provided with warning value, is matched
It is set to for judging whether the functional value is greater than warning value according to top plate float stone overhang functional value；
Signal pre-processing system is configurable for receiving and prestoring the vibration data and audio number that top plate float stone is hit
According to, the vibration data after prestoring and audio data are carried out to filter processing of making an uproar, it is preliminary to judge top plate float stone by first function relationship
Overhang；
Judgement system is configurable for judging the overhang of top plate float stone according to second function relationship；According to third
Functional relation, judges whether the overhang of top plate float stone reaches scheduled warning value, obtains when reaching scheduled warning value
The conclusion that float stone is fallen will occur, and then predict the safety of top plate float stone state；
Display system has the function of figure and battle state display, is configurable for display float stone configuration, float stone crack
Depth, inclination angle, quantity, and show whether float stone reaches warning value.
Preferably, percussion mechanism, including impact head, cylinder, valve and spring, impact head are located at the front end of percussion mechanism,
Cylinder, valve, spring are sequentially distributed from top to bottom in percussion mechanism.
Preferably, audio sensor, including audio monitoring unit and audio transmission unit；Audio monitoring unit, is configured
For the audio data being hit for monitoring top plate float stone；Audio transmission unit is configurable for transmission top plate float stone and is rushed
The voiceband data signal hit.
Preferably, shock sensor, including vibration monitoring unit and vibration transmission unit；Vibration monitoring unit, is configured
For the vibration data being hit for monitoring top plate float stone；Transmission unit is shaken, transmission top plate float stone is configurable for and is rushed
The vibration data signal hit.
Preferably, the vibration data that top plate float stone is hit includes vibration amplitude, vibration frequency and the duration of vibration；
The audio data that top plate float stone is hit includes audio frequency, audio amplitude and duration.
Preferably, the feature that shock sensor and audio sensor are made a sound according to caused by impact by impact body, punching
The vibration feature for hitting device rebound simulates identical vibration frequency spectrum by experiment and sound spectrum obtains the crack shape in corresponding rock
State, to judge to be impacted top plate float stone internal crack state.
Preferably, first function relationship includes the corresponding frequency of peak swing, audio wave peak number amount, phase in audio-frequency unit
The even corresponding frequency domain of the preferably more peak spectrals of situation；It include vibration amplitude in shaking part.
Preferably, second function relationship be top plate float stone be hit audio amplitude and shake amplitude ratio, i.e.,
Wherein, γ be top plate float stone be hit audio amplitude and shake amplitude ratio, A1It is hit audio amplitude for top plate float stone, A2
It is hit for top plate float stone and shakes amplitude.
Preferably, third functional relation is measured this kind of lithology float stone by experiment and is fallen according to different float stone lithology properties
Functional value, and be multiplied with reduction coefficient and obtain warning value.
In addition, the present invention is also mentioned that a kind of float stone intelligent detecting method, this method is using a kind of float stone intelligence as described above
Energy detection device, comprising the following steps:
Step 1: the first of vibration data, the overhang of audio data and top plate float stone that building top plate float stone is hit
The ratio of audio amplitude and vibration amplitude that functional relation, top plate float stone are hit further judges top plate float stone overhang
Whether second function relationship and the overhang of top plate float stone reach the third functional relation for falling warning value；
Step 2: by data monitoring device, the vibration data and audio data that monitoring top plate float stone is hit, and according to
First function relationship obtains the data of the basic overhang of top plate float stone；
Step 3: according to second function relationship, judge the overhang of monitored top plate float stone, according to third functional relation,
Judge whether top plate float stone overhang reaches scheduled warning value, if more than warning value, then issues warning red, immediately treat
Top plate float stone exports the overhang of top plate float stone by display system if being not greater than warning value.
Advantageous effects brought by the present invention:
The present invention can efficient, accurate, intelligentized detection top plate float stone overhang, reduce the danger of " tapping "
It is dangerous, it improves work efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of float stone intelligent detection device disclosed in this invention.
Fig. 2 is the flow chart of float stone intelligent detecting method disclosed in this invention.
Wherein, 1- impact head；2- cylinder；3- valve；4- spring；5- shock sensor；6- audio sensor；At 7- signal
Manage terminal.
Specific embodiment
With reference to the accompanying drawing and specific embodiment invention is further described in detail:
Embodiment 1:
As shown in Figure 1, a kind of float stone intelligent detection device, including percussion mechanism, data monitoring device and signal processing are whole
End 7, percussion mechanism include impact head 1, cylinder 2, valve 3 and spring 4 etc., and data monitoring device includes monitoring and sending top plate to float
Be hit vibration data shock sensor 5, top plate float stone of stone is hit the audio sensor 6 of audio data；The signal processing terminal 7
Including signal pre-processing system, judge system and display system.
By data monitoring device, the vibration data that top plate float stone is hit is monitored and sent, top plate float stone is hit
Audio data.Signal pre-processing system receives the vibration data that top plate float stone is hit and the audio number that top plate float stone is hit
According to rear, signal data is done into filter and is made an uproar processing, and data are brought into first function relationship, tentatively judges top plate float stone catenary
State judges that system according to second function relationship and third functional relation, further judges top plate float stone overhang and whether reaches
To scheduled warning value, when reaching scheduled warning value, obtain that the conclusion that float stone is fallen will occur, and then predict that top plate is floating
The safety of stone state, top plate float stone overhang are shown by display system.Specifically, signal pre-processing system,
It receives top plate float stone to be hit vibration signal data and audio signal data, prestores vibration signal data and the audio signal number
According to will prestore signal data and do filter and make an uproar processing, and vibration signal data and audio signal data are brought into first function respectively
In, top plate float stone overhang can tentatively be judged by first function relationship；Judgement system is according to by impact body audio amplitude
Top plate float stone overhang is further judged with the ratio of vibration amplitude；According to third functional relation, judge that top plate float stone dangles
Whether state reaches scheduled warning value, when reaching scheduled warning value, obtains that the conclusion that float stone is fallen will occur, in turn
Predict the safety of top plate float stone state.Display system includes figure and battle state display function, that is, shows float stone configuration, floats
Stone Depth, inclination angle, quantity etc., and show whether float stone reaches warning value, red police is issued if reaching warning value
Report, needs to immediately treat top plate float stone at this time.
In conjunction with Fig. 1, data monitoring device, including shock sensor 5 and audio sensor 6.Shock sensor 5 is for monitoring
Top plate float stone is hit vibration data, and monitoring vibration data includes velocity of vibration, frequency, acceleration etc..Specifically, vibration passes
Sensor 5 includes the monitoring unit of monitoring top plate float stone vibration data, sends the transmission unit of top plate float stone vibration data, vibration prison
Unit is surveyed when receiving impact top plate float stone vibration, different amplitudes and frequency can make the electricity being arranged in vibration monitoring unit
Resistance value changes, to play the role of monitoring；It shakes transmission unit and the resistance value of variation is put into bleeder circuit, vibration is believed
Number being changed into electric signal transmission goes out.Audio sensor 6 is hit audio data for monitoring top plate float stone, monitors audio number
According to including sound frequency, amplitude etc..Audio sensor 6 includes that monitoring top plate float stone is hit the monitoring unit of audio data, hair
The transmission unit for sending top plate float stone to be hit audio data.
The signal pre-processing system of the signal processing terminal 7 receives and prestores reception vibration signal data and audio signal number
According to, and signal data will be prestored do filter and make an uproar processing.Specifically, signal pre-processing system, receive and prestore vibration signal data with
After audio frequency vibration data, using built-in MATLAB software, which is done and eliminates polynomial trend and smoothing processing, with
The vibration signal preprocessed data of more smooth high-quality signal curve and high quality after making an uproar to filter.
The judgement system of the signal processing terminal 7, according to by the second letter of impact body audio amplitude and the ratio of vibration amplitude
Number relationship and third functional relation, obtain final float stone overhanging feature value.Specifically, judge that two functions are arranged in system itself,
Second function is the ratio for calculating by impact body audio amplitude and shaking amplitude, so that it is exaggerated top plate float stone overhang,
The top plate float stone overhang that top plate float stone overhang and evidence are judged according to first function is judged from another point of view；Third
A warning value is arranged in functional relation itself, according to top plate float stone overhang functional value, judges whether to be greater than warning value, if
Greater than warning value, then warning red is issued, immediately treat top plate float stone, if being not greater than warning value, passes through display system
Export top plate float stone overhang.
The display system of the signal processing terminal 7 has the function of figure and battle state display, that is, shows float stone configuration, floats
Stone Depth, inclination angle, quantity etc., and show the situation that float stone is fallen.Specifically, display system includes several basic behaviour
Make interface: menu, view, tool etc.；Menu interface includes system setting, System self-test, system information, user management, record
Management, view interface include display float stone configuration, zoom in or out float stone view interface, rotation float stone interface angle, adjust
The functions such as whole interfacial clarity；Tools interfaces include that some basic operations are carried out to view interface, modification parameter setting, change work
Make space, go out figure etc..
Embodiment 2:
On the basis of above-described embodiment 1, the present invention also provides a kind of float stone intelligent detecting method, process such as Fig. 2 institutes
Show, comprising the following steps:
Step 1: the first of vibration data, the overhang of audio data and top plate float stone that building top plate float stone is hit
The ratio of functional relation, audio amplitude and vibration amplitude that top plate float stone is hit further judges top plate float stone overhang
Whether second function relationship and the overhang of top plate float stone reach the third functional relation for falling warning value；
Step 2: by data monitoring device, the vibration data and audio data that monitoring top plate float stone is hit, and according to
First function relationship obtains the data of the basic overhang of top plate float stone；
Wherein, it is hit vibration data and when front top plate float stone is hit the monitoring of audio data to when front top plate float stone,
It is to be executed after receiving Monitoring instruction.Specifically, be hit the monitoring of vibration data and audio data to top plate float stone, be
It is carried out after receiving the Monitoring instruction of signal pre-processing system sending, during which data are stored in signal pre-processing system, more
Added with the control being conducive to monitoring process；
Step 3: according to second function relationship, judge the overhang of monitored top plate float stone, according to third functional relation,
Judge whether top plate float stone overhang reaches scheduled warning value, if more than warning value, then issues warning red, immediately treat
Top plate float stone exports the overhang of top plate float stone by display system if being not greater than warning value.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (10)
1. a kind of float stone intelligent detection device, it is characterised in that: whole including percussion mechanism, data monitoring device and signal processing
End；
Percussion mechanism is configurable for the detected top plate float stone of impact, provides ballistic work；
Data monitoring device, including shock sensor and audio sensor, wherein shock sensor is configurable for monitoring
And send the vibration data that top plate float stone is hit；Audio sensor is configurable for monitoring and send top plate float stone and be rushed
The audio data hit；
The signal processing terminal, including signal pre-processing system, judge system, display system；It prestores and judges that top plate float stone dangles
First function relationship, second function relationship and the third functional relation of state；
First function relationship is configurable for vibration data, audio data and top plate float stone that description top plate float stone is hit
The relationship of overhang；Second function relationship is configurable for audio amplitude and vibration vibration that description top plate float stone is hit
The ratio of width is further to judge the relationship of top plate float stone overhang；Third functional relation, is provided with warning value, is configured as
For judging whether the functional value is greater than warning value according to top plate float stone overhang functional value；
Signal pre-processing system is configurable for receiving and prestoring the vibration data and audio data that top plate float stone is hit,
Vibration data after prestoring and audio data are carried out to filter processing of making an uproar, by first function relationship, tentatively judge top plate float stone
Overhang；
Judgement system is configurable for judging the overhang of top plate float stone according to second function relationship；According to third function
Relationship, judges whether the overhang of top plate float stone reaches scheduled warning value, and obtaining when reaching scheduled warning value will
The conclusion that float stone is fallen occurs, and then predicts the safety of top plate float stone state；
Display system has the function of figure and battle state display, is configurable for display float stone configuration, float stone crack depth
Degree, inclination angle, quantity, and show whether float stone reaches warning value.
2. float stone intelligent detection device according to claim 1, it is characterised in that: percussion mechanism, including impact head, gas
Cylinder, valve and spring, impact head are located at the front end of percussion mechanism, and cylinder, valve, spring are sequentially distributed from top to bottom in impact
In device.
3. float stone intelligent detection device according to claim 1, it is characterised in that: audio sensor, including audio monitoring
Unit and audio transmission unit；Audio monitoring unit is configurable for the audio data that monitoring top plate float stone is hit；Audio
Transmission unit is configurable for the voiceband data signal that transmission top plate float stone is hit.
4. float stone intelligent detection device according to claim 1, it is characterised in that: shock sensor, including vibration monitoring
Unit and vibration transmission unit；Vibration monitoring unit is configurable for the vibration data that monitoring top plate float stone is hit；Vibration
Transmission unit is configurable for the vibration data signal that transmission top plate float stone is hit.
5. float stone intelligent detection device according to claim 1, it is characterised in that: the vibration data that top plate float stone is hit
Including vibration amplitude, vibration frequency and the duration of vibration；The audio data that top plate float stone is hit includes audio frequency, sound
Frequency vibration width and duration.
6. float stone intelligent detection device according to claim 1, it is characterised in that: shock sensor and audio sensor root
According to the feature made a sound caused by impact by impact body, the vibration feature of impactor rebound simulates identical shake by experiment
Dynamic frequency spectrum and sound spectrum obtain the fracture state in corresponding rock, to judge to be impacted top plate float stone internal crack shape
State.
7. float stone intelligent detection device according to claim 1, it is characterised in that: first function relationship, in audio-frequency unit
Including the corresponding frequency of peak swing, audio wave peak number amount, be connected the corresponding frequency domain of the preferably more peak spectrals of situation；It is shaking
Part includes vibration amplitude.
8. float stone intelligent detection device according to claim 1, it is characterised in that: second function relationship be top plate float stone by
It impacts audio amplitude and shakes the ratio of amplitude, i.e.,Wherein, γ be top plate float stone be hit audio amplitude and vibration shake
The ratio of width, A1It is hit audio amplitude for top plate float stone, A2It is hit for top plate float stone and shakes amplitude.
9. float stone intelligent detection device according to claim 1, it is characterised in that: third functional relation is according to different float stones
Lithology property measures this kind of lithology float stone by experiment and falls functional value, and is multiplied with reduction coefficient and obtains warning value.
10. a kind of float stone intelligent detecting method, it is characterised in that: using a kind of float stone intelligent measurement as described in claim 1
Device, comprising the following steps:
Step 1: vibration data, the first function of the overhang of audio data and top plate float stone that building top plate float stone is hit
The ratio of audio amplitude and vibration amplitude that relationship, top plate float stone are hit further judges the second of top plate float stone overhang
Whether functional relation and the overhang of top plate float stone reach the third functional relation for falling warning value；
Step 2: by data monitoring device, monitoring the vibration data and audio data that top plate float stone is hit, and according to first
Functional relation obtains the data of the basic overhang of top plate float stone；
Step 3: according to second function relationship, the overhang of monitored top plate float stone is judged, according to third functional relation, judgement
Whether top plate float stone overhang reaches scheduled warning value, if more than warning value, then issues warning red, immediately treats top plate
Float stone exports the overhang of top plate float stone by display system if being not greater than warning value.
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