CN102681005A - Multifunctional acoustic emission monitor for rock masses - Google Patents
Multifunctional acoustic emission monitor for rock masses Download PDFInfo
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- CN102681005A CN102681005A CN2012101850606A CN201210185060A CN102681005A CN 102681005 A CN102681005 A CN 102681005A CN 2012101850606 A CN2012101850606 A CN 2012101850606A CN 201210185060 A CN201210185060 A CN 201210185060A CN 102681005 A CN102681005 A CN 102681005A
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Abstract
The invention relates to a multifunctional acoustic emission monitor for rock masses. The technical scheme is that input ends (2a, 2b and 2c) of a data collecting unit (2) are correspondingly connected with an output end Va of a first sensor (1), an output end Vb of a second sensor (10) and an output end Vc of a third sensor (9), ports (P0.0 to P0.7) of a single chip microcomputer (4) are correspondingly connected with output ends (D0-D7) of the data collecting unit (2) and ports (D0-D7) of a double-port-expanding-chip module (3), and ports (/CS1, A0, A1, /CS2 and I/O) of the double-port-expanding-chip module (3) are correspondingly connected with ports (P2.3, P2.4, P2.5, P2.6 and P1.4) of the single chip microcomputer (4). Pins (TXD and RXD) of the single chip microcomputer (4) are connected with a COM1 port of a personal computer (PC) (5) through an RS232 bus, and the single chip microcomputer (4) is connected with an electrically erasable programmable read-only memory (EEPROM) storage chip (6), a manual/automatic switching switch (7) and a start button (8). The multifunctional acoustic emission monitor for the rock masses has the advantages of being complete in monitoring data and being capable of adapting to various rock masses, carrying out long-time unmanned continuous monitoring and communicating with the PC.
Description
Technical field
The invention belongs to the acoustic emission automonitor technical field, be specifically related to a kind of multi-functional acoustic emission automonitor that is used for rock mass.
Background technology
The excavation of subsurface rock will make on every side, and rock loses original equilibrium state; Its inner original stress field will change; The strain energy snap-out release of its internal storage produces elastic wave, and this acoustic emission in rock body parameter (major issue rate, total incident rate, energy rate) is closely related with the rock mass steady state (SS).Have only single band limits in the present employed monitor, can not adapt to the monitoring of multiple rock mass structure, so just limited the usable range of instrument.
Have only one road monitoring channel in the existing acoustic emission monitor(ing) instrument that uses, can not gather the multiple spot data effectively, make staff's data acquisition amount increase.Manual record might have been obscured the monitoring point when the monitoring point is many in the mine, the error in data of feasible statistics.Actual ore deposit monitoring down can not guarantee the round-the-clock real-time monitoring of staff, then possibly cause missing important data.
Summary of the invention
The present invention is intended to overcome above-mentioned technological deficiency, purpose provide a kind of Monitoring Data complete, can adapt to multiple rock mass, the not artificial field notes of needs, can long-time unmanned continuous monitoring and the multi-functional acoustic emission automonitor that is used for rock mass that can communicate by letter with PC.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is: this monitor is made up of first sensor, second sensor, the 3rd sensor, data acquisition unit, two port extended chip modules, single-chip microcomputer, PC, EEPROM storage chip, manual work/automatic transfer switch and start buttons.
The input end 2a of data acquisition unit, 2b, 2c and the output terminal Va of first sensor, the output terminal Vb of second sensor, the corresponding connection of output terminal Vc of the 3rd sensor, the corresponding connection of data bus port P0.0-P0.7 of the output port D0-D7 of data acquisition unit and single-chip microcomputer; The corresponding connection of data bus port P0.0-P0.7 of the data bus port D0-D7 of two port extended chip modules and single-chip microcomputer, the port/CS1 of two port extended chip modules, A0, A1 ,/the corresponding connection of port P2.3, P2.4, P2.5, P2.6, P1.4 of CS2, I/O and single-chip microcomputer; The pin TXD of single-chip microcomputer, pin RXD are connected with the COM port or COM device or COM1 of PC through the RS232 bus, the corresponding connection of port SCL1, SDA1, SCL2, SDA2 of the port P1.5 of single-chip microcomputer, P1.6, P3.2, P3.3 and EEPROM storage chip; The output terminal of manual work/automatic transfer switch links to each other with the P1.7 mouth of single-chip microcomputer, and the output terminal of start button links to each other with the P1.3 mouth of single-chip microcomputer.
Described data acquisition unit is made up of first filtering circuit, second filtering circuit, the 3rd filtering circuit, first instrument amplifier, second instrument amplifier, the 3rd instrument amplifier, first sampling holder, second sampling holder, the 3rd sampling holder, first voltage follower, second voltage follower, tertiary voltage follower, analog multichannel switch and A/D conversion.
The corresponding connection of input end Aic of the output terminal Lc of the output terminal La of first filtering circuit, the output terminal Lb of second filtering circuit, the 3rd filtering circuit and first instrument amplifier input terminal Aia, second instrument amplifier input terminal Aib, the 3rd instrument amplifier; The output terminals A oc of the output terminals A ob of the output terminals A oa of first instrument amplifier, second instrument amplifier, the 3rd instrument amplifier and the input end Sia of first sampling holder, the input end Sib of second sampling holder, the corresponding connection of input end Sic of the 3rd sampling holder; The output terminal Soc of the output terminal Soa of first sampling holder, the output terminal Sob of second sampling holder, the 3rd sampling holder and the input end Fib of the input end Fia of first voltage follower, second voltage follower, the corresponding connection of input end Fic of tertiary voltage follower; The corresponding connection of input end a, b, c of the output terminal Foc of the output terminal Foa of first voltage follower, the output terminal Fob of second voltage follower, tertiary voltage follower and analog multichannel switch; The output terminal out of analog multichannel switch is connected with the input end vin of A/D conversion.
The output port D0-D7 of A/D conversion and the corresponding connection of data bus port P0.0-P0.7 of single-chip microcomputer; The input end 2c of the input end 2a of first filtering circuit, the input end 2b of second filtering circuit, the 3rd filtering circuit and the output terminal Vb of the output terminal Va of first sensor, second sensor, the corresponding connection of output terminal Vc of the 3rd sensor.
Described two port extended chip modules are made up of serial clock chip, the first port extended chip, the second port extended chip, gain-adjusted rotary switch, two dial switches, threshold value adjustment rotary switch, periodic adjustment rotary switch, 24 charactron display modules and charactron driver module.
The corresponding connection of output terminal PC5, PC7 of the input end SCLK of serial clock chip, RST and the first port extended chip; The corresponding connection of input end PA0-PA7 of the output terminal IA0-IA7 of gain-adjusted rotary switch and the first port extended chip; The corresponding connection of input end PB0-PB7 of the output terminal IB0-IB7 of two dial switches and the first port extended chip; The corresponding connection of input end PA0-PA7 of the output terminal IC0-IC7 of threshold value adjustment rotary switch and the second port extended chip; The corresponding connection of input end PB0-PB7 of the output terminal ID0-ID7 of periodic adjustment rotary switch and the second port extended chip; The corresponding connection of port PC0-PC4 of the port LD1 of charactron driver module, LD2, LD3, DIN, DCLK and the second port extended chip, the output terminal DIG0-DIG7 of charactron driver module and the corresponding connection of the input end DIG0-DIG7 of 24 charactron display modules.
The D0-D7 port of the D0-D7 port of the first port extended chip and the second port extended chip respectively with corresponding connection of data bus port P0.0-P0.7 of single-chip microcomputer, the A0 of the A0 of the first port extended chip, A1 mouth and the second port extended chip, A1 mouth respectively with the P2.4 of single-chip microcomputer, the P2.5 mouth is corresponding is connected; The first port extended chip /the CS1 mouth is connected with the P2.3 mouth of single-chip microcomputer; The second port extended chip /the CS2 mouth is connected with the P2.6 mouth of single-chip microcomputer; The FPDP I/O of serial clock chip is connected with the P1.4 mouth of single-chip microcomputer.
Because adopt technique scheme, the present invention adopts three road monitoring channels, can gather the multiple spot data effectively, does not need artificial field notes, make staff's data collection task amount reduce.Avoid when the monitoring point is many in the mine manual record might obscure the monitoring point, made that the data of statistics are more accurate, realized round-the-clock real-time monitoring, can long-time unmanned continuous monitoring, can guarantee that the detection data are complete.
The present invention carries out the round-the-clock long-time monitoring of artificial mode or automatic mode to characteristic parameters such as the acoustic emission major issue rate of rock mass, total incident rate and energy rates; Monitoring periods is adjustable; Can store 4Mbit (monitoring point, time, three tunnel acoustic emission parameters); Can communicate by letter with PC; Realized that downloading the data that are stored in the EEPROM storage chip through PC can receive the data of three tunnel samplings simultaneously in real time, and can the clock of slave computer have been calibrated, data information reliable and that be convenient to analyze and research so just can be provided for follow-up work.
Therefore, the present invention have Monitoring Data complete, can adapt to multiple rock mass, the not artificial field notes of needs, can long-time unmanned continuous monitoring and the characteristics that can communicate by letter with PC.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structural representation of data acquisition unit 2 among Fig. 1;
Fig. 3 is the structural representation of two port extended chip modules 3 among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention being done further description, is not the restriction to its protection domain.
A kind of multi-functional acoustic emission automonitor that is used for rock mass.As shown in Figure 1: the structure of this detector is made up of first sensor 1, second sensor 10, the 3rd sensor 9, data acquisition unit 2, two port extended chip modules 3, single-chip microcomputer 4, PC 5, EEPROM storage chip 6, manual work/automatic transfer switch 7 and start buttons 8.
The input end 2a of data acquisition unit 2,2b, 2c and the output terminal Va of first sensor 1, the output terminal Vb of second sensor 10, the corresponding connection of output terminal Vc of the 3rd sensor 9, the corresponding connection of data bus port P0.0-P0.7 of the output port D0-D7 of data acquisition unit 2 and single-chip microcomputer 4; The corresponding connection of data bus port P0.0-P0.7 of the data bus port D0-D7 of two port extended chip modules 3 and single-chip microcomputer 4, the port/CS1 of two port extended chip modules 3, A0, A1 ,/the corresponding connection of port P2.3, P2.4, P2.5, P2.6, P1.4 of CS2, I/O and single-chip microcomputer 4; The pin TXD of single-chip microcomputer 4, pin RXD are connected with the COM port or COM device or COM1 of PC 5 through the RS232 bus, the corresponding connection of port SCL1, SDA1, SCL2, SDA2 of the port P1.5 of single-chip microcomputer 4, P1.6, P3.2, P3.3 and EEPROM storage chip 6; The output terminal of manual work/automatic transfer switch 7 links to each other with the P1.7 mouth of single-chip microcomputer 4, and the output terminal of start button 8 links to each other with the P1.3 mouth of single-chip microcomputer 4.
As shown in Figure 2: the described data acquisition unit 2 of this embodiment is made up of first filtering circuit 11, second filtering circuit 23, the 3rd filtering circuit 24, first instrument amplifier 12, second instrument amplifier 21, the 3rd instrument amplifier 22, first sampling holder 13, second sampling holder 19, the 3rd sampling holder 20, first voltage follower 14, second voltage follower 17, tertiary voltage follower 18, analog multichannel switch 15 and A/D conversion 16.
The output terminal Lc of the output terminal Lb of the output terminal La of first filtering circuit 11, second filtering circuit 23, the 3rd filtering circuit 24 and the input end Aib of the input end Aia of first instrument amplifier 12, second instrument amplifier 21, the corresponding connection of input end Aic of the 3rd instrument amplifier 22; The output terminals A oc of the output terminals A ob of the output terminals A oa of first instrument amplifier 12, second instrument amplifier 21, the 3rd instrument amplifier 22 and the input end Sia of first sampling holder 13, the input end Sib of second sampling holder 19, the corresponding connection of input end Sic of the 3rd sampling holder 20; The output terminal Soc of the output terminal Sob of the output terminal Soa of first sampling holder 13, second sampling holder 19, the 3rd sampling holder 20 and the input end Fia of first voltage follower 14, the input end Fib of second voltage follower 17, the corresponding connection of input end Fic of tertiary voltage follower 18; The corresponding connection of input end a, b, c of the output terminal Fob of the output terminal Foa of first voltage follower 14, second voltage follower 17, the output terminal Foc of tertiary voltage follower 18 and analog multichannel switch 15; The output terminal out of analog multichannel switch 15 is connected with the input end vin of A/D conversion 16.
The output port D0-D7 of A/D conversion 16 and the corresponding connection of data bus port P0.0-P0.7 of single-chip microcomputer 4; The input end 2c of the input end 2b of the input end 2a of first filtering circuit 11, second filtering circuit 23, the 3rd filtering circuit 24 and the output terminal Vb of the output terminal Va of first sensor 1, second sensor 10, the corresponding connection of output terminal Vc of the 3rd sensor 9.
As shown in Figure 3: the described two port extended chip modules 3 of this embodiment are made up of serial clock chip 25, the first port extended chip 26, the second port extended chip 33, gain-adjusted rotary switch 27, two dial switches 28, threshold value adjustment rotary switch 29,30,24 charactron display modules 31 of periodic adjustment rotary switch and charactron driver modules 32.
The corresponding connection of output terminal PC5, PC7 of the input end SCLK of serial clock chip 25, RST and the first port extended chip 26; The corresponding connection of input end PA0-PA7 of the output terminal IA0-IA7 of gain-adjusted rotary switch 27 and the first port extended chip 26; The corresponding connection of input end PB0-PB7 of the output terminal IB0-IB7 of two dial switches 28 and the first port extended chip 26; The corresponding connection of input end PA0-PA7 of the output terminal IC0-IC7 of threshold value adjustment rotary switch 29 and the second port extended chip 33; The corresponding connection of input end PB0-PB7 of the output terminal ID0-ID7 of periodic adjustment rotary switch 30 and the second port extended chip 33; The corresponding connection of port PC0-PC4 of the port LD1 of charactron driver module 32, LD2, LD3, DIN, DCLK and the second port extended chip 33, the output terminal DIG0-DIG7 of charactron driver module 32 and the corresponding connection of the input end DIG0-DIG7 of 24 charactron display modules 31.
The D0-D7 port of the D0-D7 port of the first port extended chip 26 and the second port extended chip 33 respectively with corresponding connection of data bus port P0.0-P0.7 of single-chip microcomputer 4, the A0 of the A0 of the first port extended chip 26, A1 mouth and the second port extended chip 33, A1 mouth respectively with the P2.4 of single-chip microcomputer 4, the P2.5 mouth is corresponding is connected; The first port extended chip 26 /the CS1 mouth is connected with the P2.3 mouth of single-chip microcomputer 4; The second port extended chip 33 /the CS2 mouth is connected with the P2.6 mouth of single-chip microcomputer 4; The FPDP I/O of serial clock chip 25 is connected with the P1.4 mouth of single-chip microcomputer 4.
This embodiment adopts three road monitoring channels, can gather the multiple spot data effectively, does not need artificial field notes, makes staff's data collection task amount reduce.Avoid when the monitoring point is many in the mine manual record might obscure the monitoring point, made that the data of statistics are more accurate, realized round-the-clock real-time monitoring, can long-time unmanned continuous monitoring, can guarantee that the detection data are complete.
This embodiment is carried out the round-the-clock long-time monitoring of artificial mode or automatic mode to characteristic parameters such as the acoustic emission major issue rate of rock mass, total incident rate and energy rates; Monitoring periods is adjustable; Can store 4Mbit (monitoring point, time, three tunnel acoustic emission parameters); Can communicate by letter with PC 5; Realized that downloading the data that are stored in the EEPROM storage chip 6 through PC 5 can receive the data of three tunnel samplings simultaneously in real time, and can the clock of slave computer have been calibrated, data information reliable and that be convenient to analyze and research so just can be provided for follow-up work.
Therefore, this embodiment have Monitoring Data complete, can adapt to multiple rock mass, the not artificial field notes of needs, can long-time unmanned continuous monitoring and the characteristics that can communicate by letter with PC.
Claims (3)
1. multi-functional acoustic emission automonitor that is used for rock mass is characterized in that this monitor is made up of first sensor (1), second sensor (10), the 3rd sensor (9), data acquisition unit (2), two port extended chip modules (3), single-chip microcomputer (4), PC (5), EEPROM storage chip (6), manual work/automatic transfer switch (7) and start button (8);
The input end 2a of data acquisition unit (2), 2b, 2c and the output terminal Va of first sensor (1), the output terminal Vb of second sensor (10), the corresponding connection of output terminal Vc of the 3rd sensor (9), the corresponding connection of data bus port P0.0-P0.7 of the output port D0-D7 of data acquisition unit (2) and single-chip microcomputer (4); The corresponding connection of data bus port P0.0-P0.7 of the data bus port D0-D7 of two port extended chip modules (3) and single-chip microcomputer (4), the port/CS1 of two port extended chip modules (3), A0, A1 ,/the corresponding connection of port P2.3, P2.4, P2.5, P2.6, P1.4 of CS2, I/O and single-chip microcomputer (4); The pin TXD of single-chip microcomputer (4), pin RXD are connected with the COM port or COM device or COM1 of PC (5) through the RS232 bus, the corresponding connection of port SCL1, SDA1, SCL2, SDA2 of the port P1.5 of single-chip microcomputer (4), P1.6, P3.2, P3.3 and EEPROM storage chip (6); The output terminal of manual work/automatic transfer switch (7) links to each other with the P1.7 mouth of single-chip microcomputer (4), and the output terminal of start button (8) links to each other with the P1.3 mouth of single-chip microcomputer (4).
2. the multi-functional acoustic emission automonitor that is used for rock mass according to claim 1 is characterized in that described data acquisition unit (2) is made up of first filtering circuit (11), second filtering circuit (23), the 3rd filtering circuit (24), first instrument amplifier (12), second instrument amplifier (21), the 3rd instrument amplifier (22), first sampling holder (13), second sampling holder (19), the 3rd sampling holder (20), first voltage follower (14), second voltage follower (17), tertiary voltage follower (18), analog multichannel switch (15) and A/D conversion (16);
The output terminal Lc of the output terminal Lb of the output terminal La of first filtering circuit (11), second filtering circuit (23), the 3rd filtering circuit (24) and the input end Aia of first instrument amplifier (12), the input end Aib of second instrument amplifier (21), the corresponding connection of input end Aic of the 3rd instrument amplifier (22); The output terminals A oc of the output terminals A ob of the output terminals A oa of first instrument amplifier (12), second instrument amplifier (21), the 3rd instrument amplifier (22) and the input end Sia of first sampling holder (13), the input end Sib of second sampling holder (19), the corresponding connection of input end Sic of the 3rd sampling holder (20); The output terminal Soc of the output terminal Sob of the output terminal Soa of first sampling holder (13), second sampling holder (19), the 3rd sampling holder (20) and the input end Fia of first voltage follower (14), the input end Fib of second voltage follower (17), the corresponding connection of input end Fic of tertiary voltage follower (18); The corresponding connection of input end a, b, c of the output terminal Foc of the output terminal Fob of the output terminal Foa of first voltage follower (14), second voltage follower (17), tertiary voltage follower (18) and analog multichannel switch (15); The output terminal out of analog multichannel switch (15) is connected with the input end vin of A/D conversion (16);
The output port D0-D7 of A/D conversion (16) and the corresponding connection of data bus port P0.0-P0.7 of single-chip microcomputer (4); The input end 2c of the input end 2b of the input end 2a of first filtering circuit (11), second filtering circuit (23), the 3rd filtering circuit (24) and the output terminal Va of first sensor (1), the output terminal Vb of second sensor (10), the corresponding connection of output terminal Vc of the 3rd sensor (9).
3. the multi-functional acoustic emission automonitor that is used for rock mass according to claim 1 is characterized in that described two port extended chip modules (3) are made up of serial clock chip (25), the first port extended chip (26), the second port extended chip (33), gain-adjusted rotary switch (27), two dial switches (28), threshold value adjustment rotary switch (29), periodic adjustment rotary switch (30), 24 charactron display modules (31) and charactron driver module (32):
The corresponding connection of output terminal PC5, PC7 of the input end SCLK of serial clock chip (25), RST and the first port extended chip (26); The corresponding connection of input end PA0-PA7 of the output terminal IA0-IA7 of gain-adjusted rotary switch (27) and the first port extended chip (26); The corresponding connection of input end PB0-PB7 of the output terminal IB0-IB7 of two dial switches (28) and the first port extended chip (26); The corresponding connection of input end PA0-PA7 of the output terminal IC0-IC7 of threshold value adjustment rotary switch (29) and the second port extended chip (33); The corresponding connection of input end PB0-PB7 of the output terminal ID0-ID7 of periodic adjustment rotary switch (30) and the second port extended chip (33); The corresponding connection of port PC0-PC4 of the port LD1 of charactron driver module (32), LD2, LD3, DIN, DCLK and the second port extended chip (33), the corresponding connection of input end DIG0-DIG7 of the output terminal DIG0-DIG7 of charactron driver module (32) and 24 charactron display modules (31);
The D0-D7 port of the D0-D7 port of the first port extended chip (26) and the second port extended chip (33) respectively with corresponding connection of data bus port P0.0-P0.7 of single-chip microcomputer (4), the A0 of the A0 of the first port extended chip (26), A1 mouth and the second port extended chip (33), A1 mouth respectively with the P2.4 of single-chip microcomputer (4), the P2.5 mouth is corresponding is connected; The first port extended chip (26) /the CS1 mouth is connected with the P2.3 mouth of single-chip microcomputer (4); The second port extended chip (33) /the CS2 mouth is connected with the P2.6 mouth of single-chip microcomputer (4); The FPDP I/O of serial clock chip (25) is connected with the P1.4 mouth of single-chip microcomputer (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210185060.6A CN102681005B (en) | 2012-06-07 | 2012-06-07 | Multifunctional acoustic emission monitor for rock masses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210185060.6A CN102681005B (en) | 2012-06-07 | 2012-06-07 | Multifunctional acoustic emission monitor for rock masses |
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| CN102681005A true CN102681005A (en) | 2012-09-19 |
| CN102681005B CN102681005B (en) | 2014-05-21 |
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| CN201210185060.6A Expired - Fee Related CN102681005B (en) | 2012-06-07 | 2012-06-07 | Multifunctional acoustic emission monitor for rock masses |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557031A (en) * | 2013-11-22 | 2014-02-05 | 中煤科工集团重庆研究院有限公司 | Real-time automatic monitor for mine acoustic emission |
Citations (2)
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| JP2004219075A (en) * | 2003-01-09 | 2004-08-05 | Civil Engineering Research Institute Of Hokkaido | Ae measurement body, function testing method for ae measurement body, ae measuring method, and active natural ground stabilization evaluating method |
| CN2724019Y (en) * | 2004-08-13 | 2005-09-07 | 武汉科技大学 | Earthquake and land slide monitor system based on sound transmitting |
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2012
- 2012-06-07 CN CN201210185060.6A patent/CN102681005B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004219075A (en) * | 2003-01-09 | 2004-08-05 | Civil Engineering Research Institute Of Hokkaido | Ae measurement body, function testing method for ae measurement body, ae measuring method, and active natural ground stabilization evaluating method |
| CN2724019Y (en) * | 2004-08-13 | 2005-09-07 | 武汉科技大学 | Earthquake and land slide monitor system based on sound transmitting |
Non-Patent Citations (1)
| Title |
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| 陈继海等: "多功能岩体声发射监测仪", 《自动化仪表》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557031A (en) * | 2013-11-22 | 2014-02-05 | 中煤科工集团重庆研究院有限公司 | Real-time automatic monitor for mine acoustic emission |
| CN103557031B (en) * | 2013-11-22 | 2015-11-04 | 中煤科工集团重庆研究院有限公司 | Real-time automatic monitor for mine acoustic emission |
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| CN102681005B (en) | 2014-05-21 |
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