CN2793750Y - Portable multi-channel miniature seismic monitoring system - Google Patents
Portable multi-channel miniature seismic monitoring system Download PDFInfo
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- CN2793750Y CN2793750Y CN 200520033425 CN200520033425U CN2793750Y CN 2793750 Y CN2793750 Y CN 2793750Y CN 200520033425 CN200520033425 CN 200520033425 CN 200520033425 U CN200520033425 U CN 200520033425U CN 2793750 Y CN2793750 Y CN 2793750Y
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Abstract
The utility model relates to a portable miniature seismic monitoring system. The utility model is characterized in that a plurality of sensors are connected with a multi-channel data acquisition unit and an ordinary computer, or a PC notebook computer, or an industrial control computer, wherein the multi-channel data acquisition unit comprises a programmable amplifier 2, an anti-alias filter 3, a multiplexor 4, an A/D transducer 5, a speed control and signal buffer zone 6, an advanced reduced instruction controller 7, a programmed control gain select circuit 8, a CPU central processing unit 9, an FIFO buffer and USB interface 10, sampling monitoring software 11 and a line regulation circuit 12. The system is especially suitable for monitoring and evaluating rock mass movement and rupture regulation which are caused by mining. The utility model has important significance to the detection and the sequitur of rock mass rupture channels for the movement of mash gas and water body, the prognoses and the delineation of a mining hazardous area, the evaluation of a mining design, etc.; the utility model can also be used for the monitoring and the scientific research of engineering, blasting, safety, exploration and other fields.
Description
Technical field
The utility model relates to the microearthquake signal and detects in real time and register system.This system is specially adapted to mining and the monitoring and evaluation of the motion of the rock mass that causes and the rule of breaking.For survey inferring in the mining process rock mass of gas and water body migration break passage, prediction and delineation mining explosive area and estimate mining design etc. and have crucial meaning.
This system can also be used for the monitoring and the scientific research in fields such as engineering, explosion, safety and exploration except that being used for the mine safety monitoring, alarming.This system also can be used as the multi-channel data acquisition instrument and uses.
Background technology
The shortcoming of prior art: volume is big; Port number is few; Power consumption is big; Complicated operation needs the professional to manage; Cost an arm and a leg; Domestic do not have and the similar commercial product of the design.
Summary of the invention
The purpose of this utility model is to overcome that the prior art port number is few, power consumption is big, complicated operation, need that the professional manages, expensive shortcoming, solve domestic not with the problem of the similar commercial product of the utility model, a kind of portable multi-channel microearthquake monitoring system is provided.
See Fig. 1, the utility model multi-channel portable microearthquake Fundamentals of Supervisory Systems block diagram.
Portable multi-channel microearthquake monitoring system partly is made up of a portable multi-channel data collecting instrument, a plurality of sensor, logical PC (notebook or the desk-top) computer of a Daepori and Control Software;
Portable multi-channel microearthquake monitoring system is characterized in that: a plurality of sensors are connected with the multi-channel data acquisition instrument, and the multi-channel data acquisition instrument is connected with PC (notebook or desk-top) computer or industrial computer.
Described portable multi-channel microearthquake monitoring system is characterized in that:
The multi-channel data acquisition instrument has a plurality of collecting unit plug-in units, and each collecting unit plug-in unit inside has a plurality of passages; Each collecting unit plug-in unit comprises: multichannel sensor and shielded cable 1, programmable amplifier 2, anti alias filter 3, multiplexer 4, A/D converter 5, speed control and signal damping district 6, advanced reduced instruction controller 7, a programme-controlled gain are selected circuit 8; The speed control that the plug-in unit end is gathered in each unit and signal damping district 6 all are connected with shared cpu central processing unit 9, and cpu central processing unit 9 is connected with usb 10 with the FIFO buffer;
A plurality of sensors and shielded cable 1 connect programmable amplifier 2, the output terminal of programmable amplifier 2 connects anti alias filter 3, the output terminal of anti alias filter 3 connects multiplexer 4, the output terminal of multiplexer 4 connects A/D converter 5, the control of output terminal connection speed and the signal damping district 6 of A/D converter 5, speed control is connected advanced reduced instruction controller 7 and cpu central processing unit 9 respectively with the output terminal in signal damping district 6, the output terminal of advanced reduced instruction controller 7 connects programme-controlled gain and selects circuit 8, programme-controlled gain selects the output terminal of circuit 8 to connect programmable amplifier 2, cpu central processing unit 9 connects FIFO buffer and usb 10, USB interface connects the PC computer, power supply regulator circuit 12 is connected with each several part, cpu central processing unit 9 is equipped with sampling monitoring software 11, and the PC computer embeds sampling monitoring Control Software 13;
Described portable multi-channel microearthquake monitoring system, it is characterized in that: the PC computer connects mobile memory 14, does real-time image data backup, and the PC computer is connected with telephone network or INTER network 15;
Portable multi-channel microearthquake monitoring system each several part function:
Portable multi-channel data collecting instrument: be used for the multichannel input signal is gathered and differentiated, and the signal that will satisfy parameter preset is sent into the PC computer by USB interface and cable.
Sampling monitoring software 11: carry out data acquisition and trigger the judgement computing.
The operating system of PC computer and sampling monitoring Control Software 13:PC computer is WINDOWS operating system.By sampling monitoring Control Software 13 be provided with or revise instrument monitoring parameters, can be provided with the monitoring system duty demonstration, receive USB interface transmission data and it done pre-service and but analysis signalization figure, signal spectrum show the line data storage of going forward side by side.
Sensor: be used for the microearthquake signals collecting.The user is sensors configured based on the actual application requirements.
The utlity model has following characteristics and advantage;
Each channel gain, sample frequency can be provided with separately.Have the antialiasing filter function, and tool can be selected trap function.
Adopt cpu central processing unit.Reliability and real-time dynamic data processing power have been strengthened.
Has outside and inner triggering selection automatically.
Having continuous data recording and logout selects.Data record size is determined by the user.The direct hard-disc storage of data also can adopt displacement disc to data real time backup simultaneously, is convenient to the user and at any time data is downloaded analysis.
Adopt WINDOWS operating system.The real-time waveform demonstration also has the printer output function.Parameter is provided with friendly interface, and is easy and simple to handle.
Has outage back incoming call system autostart function
Can be to the data waveform playback of historical events
Apparatus structure is simple, and is easy to maintenance, and volume is little, in light weight, is easy to carry.
The key technical indexes:
Maximum input channel quantity 96 passages
A/D converter resolution 24bit
Gain * 1, * 2, * 10, * 50, * 100, * 500, * 1000 times (every passage can be established separately
Put)
Sampling rate 1Hz, 10Hz, 100Hz, 1kHz, 10kHz (every passage can be provided with separately)
Input signal channel bandwidth 0.5-5KHz
Input impedance 2M Ω
Input capacitance 20pF
Trap frequency (trap is optional) 50Hz or 60Hz (optional)
Passage harasses<-100dB
Triggering mode internal trigger (automatically), external trigger (manually, short circuit, open circuit)
Supply voltage 110/240V, 50/60Hz exchanges or the 12V direct current
Communication interface USB2.0
Description of drawings:
Fig. 1: the utility model portable multi-channel microearthquake Fundamentals of Supervisory Systems block diagram.
Fig. 2: the total theory diagram of portable multi-channel data collecting instrument.
Fig. 3: plug-in unit (PAU) theory diagram is gathered in the unit.
Fig. 4: the utility model circuit theory diagrams: plug-in unit ARM controller is gathered in the unit, and speed control and signal damping district 6, and speed control and signal damping district 6 are clock generating and the slewing rate control switching circuit based on the A/D converter 5 of CPLD.This figure is a first.
Fig. 5: the utility model circuit theory diagrams: plug-in unit ARM controller is gathered in the unit, and speed control and signal damping district 6, and speed control and signal damping district 6 are clock generating and the slewing rate control switching circuit based on the A/D converter 5 of CPLD.This figure is a second portion.
Fig. 6: the utility model circuit theory diagrams: master control ARM and and usb circuit thereof.
Fig. 7: the utility model circuit theory diagrams: single channel PGA and anti alias filter 3.
Fig. 8; The utility model circuit theory diagrams: multiplexer 4 and A/D converter 5 comprise reference voltage source and A/D converter 5 special-purpose low noise power supplies.
Fig. 9: the utility model circuit theory diagrams: power supply regulator circuit 12 comprises the storage battery charging control circuit.+ 5V, ± 7.5V conversion and mu balanced circuit.This figure is a first.
Figure 10: the utility model circuit theory diagrams: power supply regulator circuit 12 comprises the storage battery charging control circuit.+ 5V, ± 7.5V conversion and mu balanced circuit.This figure is a second portion.
Figure 11: the utility model circuit theory diagrams: programme-controlled gain is selected the circuit diagram of circuit 8.Be used for gain control serial control data converter, can satisfy the control requirement of each 8 kinds of gain of 16 passages.
Figure 12: the utility model circuit theory diagrams: 16 passage PGA and programme-controlled gain are selected circuit 8, and with follow-up multiplexer 4, A/D converter 5 the engineering drawing that is connected with the ARM controller.This figure is a first.
Figure 13: the utility model circuit theory diagrams: 16 passage PGA and programme-controlled gain are selected circuit 8, and with follow-up multiplexer 4, A/D converter 5 the engineering drawing that is connected with the ARM controller.This figure is a second portion.
Embodiment:
See Fig. 1, the utility model portable multi-channel microearthquake Fundamentals of Supervisory Systems block diagram.The each several part function is as follows:
A plurality of sensors and shielded cable 1 are transferred to programmable amplifier 2 with the signal of microearthquake, and sensor adopts speed pickup.
A/D converter 5 becomes digital signal with analog signal conversion, and the integrated circuit of employing is ADS1252;
Speed control and signal damping district 6 pairs of ADC slewing rates switching controls and image data buffer memory, the integrated circuit of employing is EPM7128S, MAX708, MAX3232;
Advanced reduced instruction controller 7 is controlled multiplexer 4 and A/D converter 5 work by given pace, and order is obtained the sampled data of 1 ~ 16 passage, and carries out these 16 passages and trigger the required computing of judgement.The integrated circuit that adopts is LPC2104;
Programme-controlled gain is selected 8 pairs of program control selections of each channel gain of circuit, and the integrated circuit of employing is MAX4051,74HC164;
Cpu central processing unit 9 is realized the sampling monitored instruction, and the integrated circuit of employing is LPC2104;
USB interface realizes communicating by letter between portable multi-channel microearthquake monitor and PC, and the integrated circuit of employing is CY7C68013;
Power supply regulator circuit 12 is converted to the operating voltage that each circuit of instrument needs with 110 ~ 240 volts of alternating currents, and the integrated circuit of employing is NCP1117DT, MC33063, LM317;
See Fig. 2, portable multi-channel data collecting instrument theory diagram, in order to improve the dirigibility of instrument configuration and use, per 16 channels designs are " unit collection plug-in unit " (a PAU:Plug-in Acquisition Unit).During maximum configured 96 passages, need 6 " unit collection plug-in unit " altogether.Each " unit collection plug-in unit " built-in " advanced person simplifies controller " 7 (ARM:Advance RISC Machine) independently, by given pace control multiplexer 4 and A/D converter 5 work, order is obtained the sampled data of 1 ~ 16 passage, and carries out these 16 passages and trigger the required computing of judgement.
See Fig. 2, the total theory diagram of portable multi-channel data collecting instrument, system work process:
The user reaches cpu central processing unit 9 by PC computer input acquisition controlling parameter by USB2.0, gathers plug-in unit PAU circuit and forward command by cpu central processing unit 9 according to the destination channel unit that number location is concrete again;
The order that each PAU circuit is transmitted according to cpu central processing unit 9 is provided with the gain of each passage respectively.After receiving the beginning sample command, carry out data acquisition and trigger the judgement computing by user's sampling rate requirement;
When a certain passage satisfies triggering, this PAU circuit notice cpu central processing unit 9.Cpu central processing unit 9 notifies all unit to gather the correlated sampling data that plug-in unit PAU circuit provides these moment front and back in order, and data are write the FIFO buffer.
To the PC computer, the PC computer shows and the storage data USB2.0 interface with FIFO buffer towel data transmission.See Fig. 3, the plug-in unit theory diagram is gathered in the unit:
The unit is gathered plug-in unit and is mainly comprised: programmable amplifier 2 (PGA), anti alias filter 3, multiplexer 4 (MUX), A/D converter 5, " advanced reduced instruction controller " 7 with based on the ADC clock generating of CPLD and the speed control and the signal damping district 6 of conversion.In order to improve the common-mode rejection ratio of amplifier, reduce the influence of common mode interference signal, amplifier adopts the instrument amplifier form.Different gains is switched different feedback resistances by analog switch and is realized.
Fig. 4: the utility model circuit theory diagrams: plug-in unit ARM controller is gathered in the unit, and speed control and signal damping district 6, and speed control and signal damping district 6 are clock generating and the slewing rate control switching circuit based on the A/D converter 5 of CPLD.This figure is a first.
Fig. 5: the utility model circuit theory diagrams: plug-in unit ARM controller is gathered in the unit, and speed control and signal damping district 6, and speed control and signal damping district 6 are clock generating and the slewing rate control switching circuit based on the A/D converter 5 of CPLD.This figure is a second portion.
Fig. 6: the utility model circuit theory diagrams: master control ARM and and usb circuit thereof.
Fig. 7: the utility model circuit theory diagrams: single channel PGA and anti alias filter 3.
Fig. 8: the utility model circuit theory diagrams: multiplexer 4 and A/D converter 5 comprise reference voltage source and A/D converter 5 special-purpose low noise power supplies.
Fig. 9: the utility model circuit theory diagrams: power supply regulator circuit 12 comprises the storage battery charging control circuit.+ 5V, ± 7.5V conversion and mu balanced circuit.This figure is a first.
Figure 10: the utility model circuit theory diagrams: power supply regulator circuit 12 comprises the storage battery charging control circuit.+ 5V, ± 7.5V conversion and mu balanced circuit.This figure is a second portion.
Figure 11: the utility model circuit theory diagrams: programme-controlled gain is selected the circuit diagram of circuit 8.Be used for gain control serial control data converter, can satisfy the control requirement of each 8 kinds of gain of 16 passages.
Figure 12: the utility model circuit theory diagrams: 16 passage PGA and programme-controlled gain are selected circuit 8, and with follow-up multiplexer 4, A/D converter 5 the engineering drawing that is connected with the ARM controller.This figure is a first.
Figure 13: the utility model circuit theory diagrams: 16 passage PGA and programme-controlled gain are selected circuit 8, and with follow-up multiplexer 4, A/D converter 5 the engineering drawing that is connected with the ARM controller.This figure is a second portion.
Circuits needed integrated package model and quantity: NE5532:96 sheet, NE5534:96 sheet, MAX4051:96 sheet, the LTC1065:96 sheet, 74HC164:36 sheet, ADS1252:24 sheet, the MAX4052:12 sheet, the OP285:24 sheet, NCP1117DT50:6 sheet, MAX335:12 sheet, the MC1403:16 sheet, the EMP7128:6 sheet, LPC2104:7 sheet, MAX708:12 sheet, the MAX3232CPE:12 sheet, the NCP1117DT33:7 sheet, NCP1117DT18:7 sheet, CY7C68013-56PVC:1 sheet, the LT1129:1 sheet, the 24LC64:1 sheet, MC33063:3 sheet, LM317:1 sheet.
The each several part numbering is as follows among Fig. 1: multichannel sensor and shielded cable 1, programmable amplifier 2, anti alias filter 3, multiplexer 4, A/D converter 5, speed control and signal damping district 6, advanced reduced instruction controller 7, programme-controlled gain is selected circuit 8, cpu central processing unit 9, FIFO buffer and usb 10, cpu central processing unit 9 is equipped with sampling monitoring software 11, power supply regulator circuit 12, the PC computer embeds sampling monitoring Control Software 13, mobile memory 14, telephone network or INTER network 15, outer triggering signal 16, PC computer 17.
Claims (5)
1, portable multi-channel microearthquake monitoring system is characterized in that: a plurality of sensors are connected with the multi-channel data acquisition instrument, and multi-channel data acquisition instrument and PC computer or PC notebook computer or industrial computer are connected.
2, portable multi-channel microearthquake monitoring system according to claim 1 is characterized in that:
The multi-channel data acquisition instrument has a plurality of collecting unit plug-in units, and each collecting unit plug-in unit inside has a plurality of passages; Each collecting unit plug-in unit comprises: multichannel sensor and shielded cable (1), a programmable amplifier (2), an anti alias filter (3), a multiplexer (4), an A/D converter (5), speed control and signal damping district (6), an advanced reduced instruction controller (7), a programme-controlled gain are selected circuit (8); The speed control that the plug-in unit end is gathered in each unit and signal damping district (6) all are connected with shared cpu central processing unit (9), and cpu central processing unit (9) is connected with USB interface (10) with the FIFO buffer;
A plurality of sensors and shielded cable (1) connect programmable amplifier (2), the output terminal of programmable amplifier (2) connects anti alias filter (3), the output terminal of anti alias filter (3) connects multiplexer (4), the output terminal of multiplexer (4) connects A/D converter (5), the control of output terminal connection speed and the signal damping district (6) of A/D converter (5), speed control is connected advanced reduced instruction controller (7) and cpu central processing unit (9) respectively with the output terminal of signal damping district (6), the output terminal of advanced reduced instruction controller (7) connects programme-controlled gain and selects circuit (8), programme-controlled gain selects the output terminal of circuit (8) to connect programmable amplifier (2), cpu central processing unit (9) connects FIFO buffer and USB interface (10), USB interface connects the PC computer, power supply regulator circuit (12) is connected with each several part, cpu central processing unit (9) is equipped with sampling monitoring software (11), and the PC computer embeds sampling monitoring Control Software (13).
3, portable multi-channel microearthquake monitoring system according to claim 2 is characterized in that: the PC computer connects mobile memory (14) and does real-time image data backup, and the PC computer is connected with telephone network or INTER network (15).
4, according to claim 2 or 3 described portable multi-channel microearthquake monitoring systems, it is characterized in that:
A plurality of sensors are transferred to programmable amplifier (2) by shielded cable with the signal of microearthquake, and sensor adopts speed pickup;
Programmable amplifier (2) amplifies signal, and the integrated circuit of employing is NE5532;
Anti alias filter (3) will be eliminated the stack of high-frequency signal, and the integrated circuit of employing is LTC1065;
Multiplexer (4) is realized the interchannel conversion, and the integrated circuit of employing is: MAX4052;
A/D converter (5) becomes digital signal with analog signal conversion, and the integrated circuit of employing is ADS1252;
Speed control and signal damping district (6) are to ADC slewing rate switching controls and image data buffer memory, and the integrated circuit of employing is EPM7128S, MAX708, MAX3232;
Advanced reduced instruction controller (7) is controlled multiplexer (4) and A/D converter (5) work by given pace, and order is obtained the sampled data of 1 ~ 16 passage, and carries out these 16 passages and trigger the required computing of judgement, and the integrated circuit of employing is LPC2104;
Programme-controlled gain selects circuit (8) to the program control selection of each channel gain, and the integrated circuit of employing is MAX4051,74HC164;
Cpu central processing unit (9) is realized the sampling monitored instruction, and the integrated circuit of employing is LPC2104;
USB interface realizes communicating by letter between portable multi-channel microearthquake monitor and PC, and the integrated circuit of employing is CY7C68013;
Power supply regulator circuit (12) is converted to the operating voltage that each circuit of instrument needs with 110 ~ 240 volts of alternating currents, and the integrated circuit of employing is NCP1117DT, MC33063, LM317.
5, portable multi-channel microearthquake monitoring system according to claim 4, it is characterized in that: in the multi-channel data acquisition instrument, a unit is gathered plug-in unit and is comprised 16 passages, during maximum configured 96 passages, multi-channel data acquisition instrument one has 6 unit and gathers plug-in unit, the built-in independently advanced reduced instruction controller of plug-in unit (7) is gathered by given pace control multiplexer (4) and A/D converter (6) work in each unit, order is obtained the sampled data of 1 ~ 16 passage, and carries out these 16 passages and trigger the required computing of judgement.
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CN 200520033425 CN2793750Y (en) | 2005-03-10 | 2005-03-10 | Portable multi-channel miniature seismic monitoring system |
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CN 200520033425 CN2793750Y (en) | 2005-03-10 | 2005-03-10 | Portable multi-channel miniature seismic monitoring system |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102353983A (en) * | 2011-06-30 | 2012-02-15 | 石家庄经济学院 | Portable mountain wireless earthquake surveying system |
CN102768370A (en) * | 2012-08-11 | 2012-11-07 | 吉林大学 | Hydrofracture fracture monitoring device and monitoring method based on electrokinetic coupling |
CN103226207A (en) * | 2012-01-25 | 2013-07-31 | 英洛瓦(天津)物探装备有限责任公司 | Analog in power supply module |
CN103412283A (en) * | 2013-08-27 | 2013-11-27 | 中国地质调查局水文地质环境地质调查中心 | Surface collapse microseism three-dimensional positioning and monitoring method and system |
CN111413733A (en) * | 2020-03-20 | 2020-07-14 | 重庆地质矿产研究院 | Mine micro-seismic positioning control system and method |
CN116973547A (en) * | 2023-07-31 | 2023-10-31 | 中国地质调查局地球物理调查中心 | Soil organic carbon, nitrogen and phosphorus monitoring system |
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2005
- 2005-03-10 CN CN 200520033425 patent/CN2793750Y/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102353983A (en) * | 2011-06-30 | 2012-02-15 | 石家庄经济学院 | Portable mountain wireless earthquake surveying system |
CN103226207A (en) * | 2012-01-25 | 2013-07-31 | 英洛瓦(天津)物探装备有限责任公司 | Analog in power supply module |
CN103226207B (en) * | 2012-01-25 | 2017-11-10 | 英洛瓦(天津)物探装备有限责任公司 | Simulation in power module |
CN102768370A (en) * | 2012-08-11 | 2012-11-07 | 吉林大学 | Hydrofracture fracture monitoring device and monitoring method based on electrokinetic coupling |
CN102768370B (en) * | 2012-08-11 | 2015-10-28 | 吉林大学 | Based on hydraulically created fracture monitoring device and the monitoring method of dynamic electric coupling |
CN103412283A (en) * | 2013-08-27 | 2013-11-27 | 中国地质调查局水文地质环境地质调查中心 | Surface collapse microseism three-dimensional positioning and monitoring method and system |
CN111413733A (en) * | 2020-03-20 | 2020-07-14 | 重庆地质矿产研究院 | Mine micro-seismic positioning control system and method |
CN116973547A (en) * | 2023-07-31 | 2023-10-31 | 中国地质调查局地球物理调查中心 | Soil organic carbon, nitrogen and phosphorus monitoring system |
CN116973547B (en) * | 2023-07-31 | 2024-03-26 | 中国地质调查局地球物理调查中心 | Soil organic carbon, nitrogen and phosphorus monitoring system |
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