CN101487901A - Rock mass charge radiation meter - Google Patents

Rock mass charge radiation meter Download PDF

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Publication number
CN101487901A
CN101487901A CNA2008100130334A CN200810013033A CN101487901A CN 101487901 A CN101487901 A CN 101487901A CN A2008100130334 A CNA2008100130334 A CN A2008100130334A CN 200810013033 A CN200810013033 A CN 200810013033A CN 101487901 A CN101487901 A CN 101487901A
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circuit
meet
pin meet
another termination
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CN101487901B (en
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潘一山
赵杨锋
付琳
李国臻
冀常鹏
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Liaoning Technical University
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Liaoning Technical University
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Abstract

The invention belongs to a rock mass testing instrument, and in particular relates to a rock mass charge radiation meter, comprising a power supply circuit (1), a voltage follower circuit (4), a liquid crystal display circuit (6), a data storage circuit (7), a calendar clock circuit (8), a warning circuit (9) and a communication interface circuit (10). A central processing circuit (5) and a preamplification circuit (2) are arranged in a system; the central processing circuit (5) comprises an MSP430F499IPz singlechip U3, a 32768Hz crystal oscillator XT2, a 4MHz crystal oscillator XT3, keys S1-S5, capacitances C5-C9 and C20-C23, resistances R8, R9-R13 and R15-R17, a power strip JP3 and test jacks TP1-TP3. The instrument is used for predicting rock burst and coal gas burst accidents and has the advantages of small quantities, short time, no effects on production and wide application.

Description

Rock mass charge radiation meter
Technical field
The invention belongs to the rock mass testing tool, particularly a kind of rock mass charge radiation meter.
Background technology
China's coal-mine is that rock burst, coal and gas are given prominence to one of the most serious country in the world, rock burst, coal and gas are outstanding to be huge to mine production harm, in case outstanding not only destruction of rock burst, coal and gas taken place produces, bring about great losses to national economy, and can cause personnel's injures and deaths, along with the continuous increase of the depth of excavation, this accident is just more serious.The stand under load coal petrography has charge generation, mine to subside and charge generation is also arranged in the process when breaking; Produce the coal dynamic disaster through regular meeting in the mining process of colliery; this disaster is the strength degree that pressure surpasses coal and rock; accumulate in that the energy in the coal and rock discharges suddenly around the tunnel; this deformation fracture process be one by rheology to the sudden change evolution, form rock burst and coal and gas at last and give prominence to.Coal petrography disaster dynamic phenomenon wide range relates to many engineerings field, has in the mine that coal and gas are outstanding, rock is outstanding with gas, the mine is impacted, the ore deposit shakes, top board subsides and limit slippage etc.; On the ground, there are rock-mass slippage, earthquake, foundation instability and rock concrete construction unstability to collapse etc.At present, conventional coal rock dynamic disaster Forecasting Methodology mainly is the drilling cuttings method, this method can not the time real prediction, the activity duration is long, quantities is big, predicts that the activity duration is also longer, and production is had certain influence.
The objective of the invention is to overcome above-mentioned technical deficiency, a kind of break rule of electric charge induction when producing the quantity of electric charge and utilizing coal rock deformation to break of coal rock deformation of measuring is provided, analyze the break mechanism of electric charge induction of coal rock deformation, accurately, the time real prediction coal rock dynamic disaster rock mass charge radiation meter.
The technical scheme that technical solution problem of the present invention adopts is: a kind of rock mass charge radiation meter of being made up of power circuit, voltage follower circuit, liquid crystal display circuit, data storage circuitry, calendar clock circuit, warning circuit and communication interface circuit is characterized in being provided with central processing circuit and pre-amplification circuit in system; Central processing circuit is by MSP430F499 single-chip microcomputer U 3, 32768Hz crystal oscillator XT 2, 4MHz crystal oscillator XT 3, button S 1～S 5, capacitor C 5～C 9, C 20～C 23, resistance R 8, R 9～R 13, R 15～R 17, insert row JP 3With test jack TP 1～TP 3Single-chip microcomputer U 394～90 pin meet JP respectively 31～5 pin, 94 pin also meet R 8One end, R 8Another termination power, JP 36 pin ground connection, 95 pin connect the resistance R in the power circuit 3An end, R 22,3 pin and TP 3, 96 pin connect the resistance R in the voltage follower circuit 5An end and voltage stabilizing diode D 1An end, 5 pin meet the electrochemical capacitor C in the pulse-detecting circuit 40Positive pole, resistance R 32One end and AD8066 operational amplifier U 21 pin of A, 7 pin meet C 5, C 8One end and TP 2, 10 pin meet C 5, C 8The other end, 11,98 pin, C 9One end and ground, 100 pin meet C 9The other end and power supply, 59 pin meet R 17One end, 58 pin meet R 17The other end and R 16One end, 57 pin meet R 16The other end and R 15One end, 56 pin meet R 15The other end and ground, 12～26,52～55 pin meet the LCD048 LCD U in the liquid crystal display circuit respectively 512～26,52～55 pin, 8 pin meet C 20, XT 2One end, 9 pin meet C 21One end and XT 2The other end, 89 pin meet C 22, XT 3One end, 88 pin meet XT 3The other end and C 23One end, C 20～C 23The equal ground connection of the other end, 62,63,74,75 pin are connected the SP3223EEA communication chip converter U in the letter interface circuit respectively 710,12,15,13 pin, 46,48,49,47 pin meet the AT45DB041B-SI storer U in the data storage circuitry respectively 64,1,8,2 pin, 66,65,64 pin meet the DS1302 calendar clock chip U in the calendar clock circuit respectively 45,6,7 pin, the resistance R in the 72 pin circuit taking alarm 14, R 7And D 2An end, the resistance R in the 79 pin circuit taking alarm 6One end, 83 pin meet R 13, S 5One end, 84 pin meet R 12, S 4One end, 85 pin meet R 11, S 3One end, 86 pin meet R 10, S 2One end, 87 pin meet R 9, S 1One end, S 1～S 5The equal ground connection of the other end, R 9～R 13Another termination power, TP 1, 60 pin, C 7One end, 1 pin, C 6Capacitor C in one end, the power circuit 3One end, electrochemical capacitor C 2Positive pole and SPX5205M5-3.3 voltage stabilizer U 15 pin, 61 pin meet C 7The other end and ground, 99 pin meet C 6The other end and ground.Pre-amplification circuit comprises AD8066 operational amplifier U 1A, U 1B, U 2B, receiving antenna IN, diode D 5, electrochemical capacitor C 24, C 25, C 36～C 41, capacitor C 26～C 35And resistance R 18～R 29U 1A1 pin meet R 20, C 28, C 31One end, 2 pin meet C 30One end and C 28, R 20The other end, 3 pin ground connection, 4 pin meet negative supply, C 35One end and C 37Negative pole, 8 pin meet positive supply, C 34One end and C 38Positive pole, C 34, C 35The other end, C 38Negative pole and C 37Positive pole join and ground connection; IN meets C 29, R 19One end and C 30The other end, C 29Another termination R 21One end, R 21Other end ground connection, R 19Another termination C 25Anodal, C 27, R 18One end, R 18Another termination C 24Anodal, C 26One end and HV power supply, C 25, C 24Negative pole and C 27, C 26The other end joins and ground connection; U 1B4 pin connect negative supply, 5 pin meet R 25, R 27One end and C 36Positive pole, 6 pin meet R 25The other end, R 24, R 26And C 33One end, 7 pin meet R 26, C 33The other end and C 39Positive pole, 8 pin connect positive supply, R 24Another termination C 32, R 23One end, R 23Another termination R 22One end and C 31The other end, R 22, R 27, C 32The other end and C 36Negative pole joins and ground connection; U 2B4 pin to connect negative electricity former, 5 pin meet C 41Negative pole and ground, 6 pin meet R 28And R 29One end, 7 pin meet D 5One end, 8 pin connect positive supply, R 28Another termination C 39Resistance R in negative pole and the pulse-detecting circuit 30An end, D 5Another termination R 29The other end, C 41Positive pole and the insert row JP in the voltage follower circuit 21 pin.
The invention has the beneficial effects as follows: this instrument is the generation of prediction rock burst and coal gas burst accident, and a kind of new means are provided, and quantities is little, and the time is short, and production is had no effect; Application surface is extensive, predictably down, and landslide, earthquake, foundation instability and the rock concrete construction unstability that also can be used for ground disaster such as collapse.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 is the rock mass charge radiation meter block diagram.
Fig. 2 is power supply, voltage follow, pulse detection, central processing, liquid crystal display, data storage, calendar clock, warning, the communication interface circuit schematic diagram of Fig. 1.
Fig. 3 is preposition amplification and the pulse-detecting circuit schematic diagram of Figure 11.
Among the figure, the 1-power circuit; The 2-pre-amplification circuit; The 3-voltage follower circuit; The 4-pulse-detecting circuit; The 5-central processing circuit; The 6-liquid crystal display circuit; The 7-data storage circuitry; 8-calendar clock circuit; The 9-warning circuit; The 10-communication interface circuit; U 1-SPX5205M5-3.3 voltage stabilizer; U 3-MSP430F449 single-chip microcomputer; U 4-DS1302 calendar clock chip; U 5-LCD048 LCD; U 6-AT45DB041B-SI storer; U 7-SP3223EEA communication chip converter; U 1A, U 2A, U 1B, U 2B-AD8066 operational amplifier; U 3A-LM358 operational amplifier; D 1, D 2-voltage stabilizing diode; D 3, D 4-light emitting diode; D 5-diode; XT 1, XT 2-3276Hz crystal oscillator; XT 3-4MHz crystal oscillator; TP 1～TP 3-test jack; C 3～C 23, C 26～C 35-electric capacity; C 1, C 2, C 24, C 25, C 36～C 41-electrochemical capacitor; R 1, R 3～R 32-resistance; R 2, R 33-variable resistor; BT 1-battery; The IN-receiving antenna;
Embodiment
With reference to accompanying drawing, a kind of rock mass charge radiation meter, form by power circuit 1, voltage follower circuit 4, liquid crystal display circuit 6, data storage circuitry 7, calendar clock circuit 8, warning circuit 9 and communication interface circuit 10, be characterized in system, being provided with central processing circuit 5 and pre-amplification circuit 2; Central processing circuit 5 is by MSP430F499 single-chip microcomputer U 3, 32768Hz crystal oscillator XT 2, 4MHz crystal oscillator XT 3, button S 1～S 5, capacitor C 5～C 9, C 20～C 23, resistance R 8, R 9～R 13, R 15～R 17, insert row JP 3With test jack TP 1～TP 3Single-chip microcomputer U 394～90 pin meet JP respectively 31～5 pin, 94 pin also meet R 8One end, R 8Another termination power, JP 36 pin ground connection, 95 pin connect the resistance R in the power circuit 1 3An end, R 22,3 pin and TP 3, 96 pin connect the resistance R in the voltage follower circuit 3 5An end and voltage stabilizing diode D 1An end, 5 pin meet the electrochemical capacitor C in the pulse-detecting circuit 4 40Positive pole, resistance R 32One end and AD8066 operational amplifier U 21 pin of A, 7 pin meet C 5, C 8One end and TP 2, 10 pin meet C 5, C 8The other end, 11,98 pin, C 9One end and ground, 100 pin meet C 9The other end and power supply, 59 pin meet R 17One end, 58 pin meet R 17The other end and R 16One end, 57 pin meet R 16The other end and R 15One end, 56 pin meet R 15The other end and ground, 12～26,52～55 pin meet the LCD048 LCD U in the liquid crystal display circuit 6 respectively 512～26,52～55 pin, 8 pin meet C 20, XT 2One end, 9 pin meet C 21One end and XT 2The other end, 89 pin meet C 22, XT 3One end, 88 pin meet XT 3The other end and C 23One end, C 20～C 23The equal ground connection of the other end, 62,63,74,75 pin are connected the SP3223EEA communication chip converter U in the letter interface circuit 10 respectively 710,12,15,13 pin, 46,48,49,47 pin meet the AT45DB041B-SI storer U in the data storage circuitry 7 respectively 64,1,8,2 pin, 66,65,64 pin meet the DS1302 calendar clock chip U in the calendar clock circuit respectively 45,6,7 pin, the resistance R in the 72 pin warning circuits 9 14, R 7And D 2An end, the resistance R in the 79 pin circuit 9 taking alarm 6One end, 83 pin meet R 13, S 5One end, 84 pin meet R 12, S 4One end, 85 pin meet R 11, S 3One end, 86 pin meet R 10, S 2One end, 87 pin meet R 9, S 1One end, S 1～S 5The equal ground connection of the other end, R 9～R 13Another termination power, TP 1, 60 pin, C 7One end, 1 pin, C 6Capacitor C in one end, the power circuit 1 3One end, electrochemical capacitor C 2Positive pole and SPX5205M5-3.3 voltage stabilizer U 15 pin, 61 pin meet C 7The other end and ground, 99 pin meet C 6The other end and ground.Pre-amplification circuit 2 comprises AD8066 operational amplifier U 1A, U 1B, U 2B, receiving antenna IN, diode D 5, electrochemical capacitor C 24, C 25, C 36～C 41, capacitor C 26～C 35And resistance R 18～R 29U 1A1 pin meet R 20, C 28, C 31One end, 2 pin meet C 30One end and C 28, R 20The other end, 3 pin ground connection, 4 pin meet negative supply, C 35One end and C 37Negative pole, 8 pin meet positive supply, C 34One end and C 38Positive pole, C 34, C 35The other end, C 38Negative pole and C 37Positive pole join and ground connection; IN meets C 29, R 19One end and C 30The other end, C 29Another termination R 21One end, R 21Other end ground connection, R 19Another termination C 25Anodal, C 27, R 18One end, R 18Another termination C 24Anodal, C 26One end and HV power supply, C 25, C 24Negative pole and C 27, C 26The other end joins and ground connection; U 1B4 pin connect negative supply, 5 pin meet R 25, R 27One end and C 36Positive pole, 6 pin meet R 25The other end, R 24, R 26And C 33One end, 7 pin meet R 26, C 33The other end and C 39Positive pole, 8 pin connect positive supply, R 24Another termination C 32, R 23One end, R 23Another termination R 22One end and C 31The other end, R 22, R 27, C 32The other end and C 36Negative pole joins and ground connection; U 2B4 pin to connect negative electricity former, 5 pin meet C 41Negative pole and ground, 6 pin meet R 28And R 29One end, 7 pin meet D 5One end, 8 pin connect positive supply, R 28Another termination C 39Resistance R in negative pole and the pulse-detecting circuit 4 30An end, D 5Another termination R 29The other end, C 41Positive pole and the insert row JP in the voltage follower circuit 21 pin.
Power circuit 1 (seeing accompanying drawing 2) comprises SPX5205M5-3.3 voltage stabilizer U 1, insert row JP 1, electrochemical capacitor C 1, C 2, capacitor C 3, resistance R 1, R 3With variable resistor R2; U 11,3 pin join and meet C 1Positive pole, R 1An end ,+6V power supply and JP 11 pin, 2 pin ground connection, C 3The other end and C 2Minus earth, C 1Minus earth, R 1Another termination R 21 pin, R 3Other end ground connection.
Voltage follower circuit 3 (seeing accompanying drawing 2) comprises LM358 operational amplifier U 3A, insert row JP 2, voltage stabilizing diode D 1, capacitor C 4And resistance R 5U 3A1 pin meet 2 pin and R 5The other end, 3 pin meet JP 21 pin, 4 pin ground connection, 8 pin connect+6V power supply, C 4One end, C 4Other end ground connection, D 1Other end ground connection, TP 22 pin ground connection.
Data storage circuitry 7 (seeing accompanying drawing 2) comprises AT45DB041B-SI storer U 6And capacitor C 18, C 19U 63,5,6 pin meet C 18, C 19One end and power supply, 7 pin meet C 18, C 19The other end and ground.
Calendar clock circuit 8 (seeing accompanying drawing 2) comprises DS1302 calendar clock chip U 4, battery BT 1, crystal oscillator T 1And capacitor C 15～C 17U 41 pin meet C 15One end and power supply, 4 pin meet C 15The other end and ground, 8 pin meet BT 1One end, BT 1Other end ground connection, 3 pin meet XT 1, C 16One end, C 16Other end ground connection, 2 pin meet XT 1The other end and C 17One end, C 17Other end ground connection.
Warning circuit 9 (seeing accompanying drawing 2) comprises insert row JP 4, voltage stabilizing diode D 2, light emitting diode D 3, D 4And resistance R 6, R 7, R 14JP 41 pin meet R 7One end, 2 pin ground connection, R 14Another termination power, D 3, D 4One end, D 3, D 4Another termination R 6The other end, D 2Other end ground connection.
Communication interface circuit 10 (seeing accompanying drawing 2) comprises SP3223EEA communication chip converter U 7, insert row JP 5, JP 6And capacitor C 10～C 14U 72,4 pin meet C respectively 10Two ends, 5,6 pin meet C respectively 11Two ends, 1 pin ground connection, 20,14 pin connect power supply, 9,8 pin meet JP 62,1 pin, 16,17 meet JP 52,1 pin, 3 pin meet C 13One end, 7 pin meet C 12One end, 18 pin meet C 14One end, C 12, C 13The other end and ground, 19 pin meet C 14The other end and power supply; JP 5, JP 6The equal ground connection of 3 pin.
Pulse-detecting circuit 4 (seeing accompanying drawing 3) comprises AD8066 operational amplifier U 2A, electrochemical capacitor C 39, C 40, variable resistor R 33And resistance R 30～R 32U 2A2 pin meet R 30The other end, 3 pin meet R 31One end and R 32The other end, 4 pin connect negative supply, and 8 pin connect positive supply, C 40Minus earth, R 31Another termination R 331 pin, R 332 pin connect positive supply, R 333 pin connect negative supply.
This radiation gauge receiving antenna IN is the circle copper sheet, and girth is 100mm, and diameter is 40mm, and sensitivity is 5 μ v/m, and the reception frequency range is 1KHz～1MHz; Be erected at the center in tested zone, antenna is towards the tested zone of coal petrography rock mass, and distance is suitable less than 3m.The deformation fracture point that receiving antenna IN receives is surveyed the electric charge radiation signal, and divide two-way behind pre-amplification circuit 2, voltage follower circuit 3: the one tunnel is the frequency counting signal, directly send MSP430F449 single-chip microcomputer U through pulse testing circuit 4 3The I/O mouth on, through the timer of inside counting, thereby obtain signal pulse number in the sampling time interval; It is the measured signal at center that another road converts to 2.5V, send single-chip microcomputer U again 3The analog to digital conversion mouth on carry out analog to digital conversion and data acquisition, processing, thereby determine the very big electromagnetic radiation value in the sampling time interval, and the test data that obtains is deposited into storer U 6, simultaneously at LCD U 5Show test pulse and very big electromagnetic radiation intensity value.Behind the sampling and the bundle that hardens in advance, can be connected with microcomputer by communication interface circuit 10, with initial parameter value be stored in AT45DB041B-SI storer U 6In test data input microcomputer, very big electromagnetic radiation intensity value that obtains on microcomputer and umber of pulse time series are carried out further trend analysis and are judged.

Claims (2)

1, a kind of rock mass charge radiation meter, form by power circuit (1), voltage follower circuit (4), liquid crystal display circuit (6), data storage circuitry (7), calendar clock circuit (8), warning circuit (9) and communication interface circuit (10), it is characterized in that in system, being provided with central processing circuit (5) and pre-amplification circuit (2); Central processing circuit (5) is by MSP430F499IPz single-chip microcomputer U 3, 32768Hz crystal oscillator XT 2, 4MHz crystal oscillator XT 3, button S 1～S 5, capacitor C 5～C 9, C 20～C 23, resistance R 8, R 9～R 13, R 15～R 17, insert row JP 3With test jack TP 1～TP 3Single-chip microcomputer U 394～90 pin meet JP respectively 31～5 pin, 94 pin also meet R 8One end, R 8Another termination power, JP 36 pin ground connection, 95 pin connect the resistance R in the power circuit (1) 3An end, R 22,3 pin and TP 3, 96 pin connect the resistance R in the voltage follower circuit (3) 5An end and voltage stabilizing diode D 1An end, 5 pin meet the electrochemical capacitor C in the pulse-detecting circuit (4) 40Positive pole, resistance R 32One end and AD8066 operational amplifier U 21 pin of A, 7 pin meet C 5, C 8One end and TP 2, 10 pin meet C 5, C 8The other end, 11,98 pin, C 9One end and ground, 100 pin meet C 9The other end and power supply, 59 pin meet R 17One end, 58 pin meet R 17The other end and R 16One end, 57 pin meet R 16The other end and R 15One end, 56 pin meet R 15The other end and ground, 12～26,52～55 pin meet the LCD048 LCD U in the liquid crystal display circuit (6) respectively 512～26,52～55 pin, 8 pin meet C 20, XT 2One end, 9 pin meet C 21One end and XT 2The other end, 89 pin meet C 22, XT 3One end, 88 pin meet XT 3The other end and C 23One end, C 20～C 23The equal ground connection of the other end, 62,63,74,75 pin are connected the SP3223EEA communication chip converter U in the letter interface circuit (10) respectively 710,12,15,13 pin, 46,48,49,47 pin meet the AT45DB041B-SI storer U in the data storage circuitry 7 respectively 64,1,8,2 pin, 66,65,64 pin meet the DS1302 calendar clock chip U in the calendar clock circuit respectively 45,6,7 pin, the resistance R in the 72 pin warning circuits (9) 14, R 7And D 2An end, the resistance R in the 79 pin circuit taking alarm (9) 6One end, 83 pin meet R 13, S 5One end, 84 pin meet R 12, S 4One end, 85 pin meet R 11, S 3One end, 86 pin meet R 10, S 2One end, 87 pin meet R 9, S 1One end, S 1～S 5The equal ground connection of the other end, R 9～R 13Another termination power, TP 1, 60 pin, C 7One end, 1 pin, C 6Capacitor C in one end, the power circuit (1) 3One end, electrochemical capacitor C 2Positive pole and SPX5205M5-3.3 voltage stabilizer U 15 pin, 61 pin meet C 7The other end and ground, 99 pin meet C 6The other end and ground.
2, rock mass charge radiation meter according to claim 1 is characterized in that pre-amplification circuit (2) comprises AD8066 operational amplifier U 1A, U 1B, U 2B, receiving antenna IN, diode D 5, electrochemical capacitor C 24, C 25, C 36～C 41, capacitor C 26～C 35And resistance R 18～R 29U 1A1 pin meet R 20, C 28, C 31One end, 2 pin meet C 30One end and C 28, R 20The other end, 3 pin ground connection, 4 pin meet negative supply, C 35One end and C 37Negative pole, 8 pin meet positive supply, C 34One end and C 38Positive pole, C 34, C 35The other end, C 38Negative pole and C 37Positive pole join and ground connection; IN meets C 29, R 19One end and C 30The other end, C 29Another termination R 21One end, R 21Other end ground connection, R 19Another termination C 25Anodal, C 27, R 18One end, R 18Another termination C 24Anodal, C 26One end and HV power supply, C 25, C 24Negative pole and C 27, C 26The other end joins and ground connection; U 1B4 pin connect negative supply, 5 pin meet R 25, R 27One end and C 36Positive pole, 6 pin meet R 25The other end, R 24, R 26And C 33One end, 7 pin meet R 26, C 33The other end and C 39Positive pole, 8 pin connect positive supply, R 24Another termination C 32, R 23One end, R 23Another termination R 22One end and C 31The other end, R 22, R 27, C 32The other end and C 36Negative pole joins and ground connection; U 2B4 pin to connect negative electricity former, 5 pin meet C 41Negative pole and ground, 6 pin meet R 28And R 29One end, 7 pin meet D 5One end, 8 pin connect positive supply, R 28Another termination C 39Resistance R in negative pole and the pulse-detecting circuit (4) 30An end, D 5Another termination R 29The other end, C 41Positive pole and the insert row JP in the voltage follower circuit 21 pin.
CN2008100130334A 2008-08-29 2008-08-29 Rock mass charge radiation meter Expired - Fee Related CN101487901B (en)

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CN104198679B (en) * 2014-09-17 2016-06-01 辽宁工程技术大学 A kind of oil from coal process Full wave shape simultaneous synthesis Monitoring systems and method
CN105785125A (en) * 2016-03-04 2016-07-20 中国矿业大学 Coal rock identification method based on digital dual-clamp phase volometer
CN109541693A (en) * 2018-11-23 2019-03-29 辽宁大学 A kind of contactless coal petrography live monitoring sensor sensing specificity analysis device and method
CN109541693B (en) * 2018-11-23 2020-05-12 辽宁大学 Non-contact type coal rock charged monitoring sensor sensitivity characteristic analysis device and method

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