CN201707447U - Micro-quake detection device based on an OPC interface - Google Patents
Micro-quake detection device based on an OPC interface Download PDFInfo
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- CN201707447U CN201707447U CN 201020209597 CN201020209597U CN201707447U CN 201707447 U CN201707447 U CN 201707447U CN 201020209597 CN201020209597 CN 201020209597 CN 201020209597 U CN201020209597 U CN 201020209597U CN 201707447 U CN201707447 U CN 201707447U
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Abstract
The utility model belongs to the mine quake monitoring technical field, especially relates to a micro-quake detection device based on an OPC interface, comprising a sensor, a data collection part connected with the sensor, a data processing part connected with the data collection part, wherein the data collection part comprises a preamplifier, a filter connected with the preamplifier and an A/D converter connected with the filter and the data processing part comprises a CPU connected with the A/D converter, an Ethernet interface connected with the CPU, a GPS connected with a center processing platform by the Ethernet interface. The beneficial effects are that: the convenient and quick connection between the micro-quake detection device, a center monitoring, mine controlling system and a management system is realized by the OPC criterion, the micro-quake detection device is convenient for knowing and handling by the engineer and corresponds with the trend of the automation field development.
Description
Technical field
The utility model belongs to ore deposit shake monitoring technical field, particularly relates to a kind of microseismic detection device based on the OPC interface.
Background technology
Various in recent years mine disasters take place frequently, and for support personnel's life security, national, the individual property loss of minimizing, ore deposit shake importance of monitoring also highlights.Ore deposit shake is because the dynamic phenomenon of the unexpected unstable failure of mine rock mass that mining activity brings out is one of major natural disasters that influence mine safety production.In a single day the ore deposit shake takes place just might influence production, even causes any property loss and casualties, and its harmfulness can't be estimated, As time goes on, many mines will enter deep mining, and the further trend of rising will appear in the quantity that ore deposit shake takes place, and it is disastrous also will to be on the rise.
Microseism be follow at rock destroyed, the small vibrations that under stress, taken place.In the mining process, place, frequency and the distribution in the mine that small vibrations take place because of the rock of part, mining area and the difference of geologic condition present uneven distribution, detect in real time the enforcement in mine and to show important especially.
Investigation according to a large amount of mine engineering serious disasters and accidents shows: rock mass motion causes the rock pressure [in mine redistribution, and dynamically action of underground is in microseism and it is broken is to cause the basic reason that the mine serious disasters and accidents take place.When underground rock mass produce the seismic event that generally can produce certain energy when breaking to around propagate, utilize microseismic detection can accept and write down these seismic events, and further determine the position of focus.The microseismic detection result also can analyze the various features that rock mass breaks according to the down-hole, as quantity, frequency, intensity, density, yardstick, character etc., can in time make report and analysis, predict the omen that the mine disaster accident takes place, adopt an effective measure and avoid causing casualties or the disaster accident generation the underground rock mass situation of breaking.
By adopting OLE for Process Control industrial standard to carry out the design of microseismic signals detecting unit, improved the unit versatility, be easy to compatiblely mutually with existing control protocol, standard, can be used as the expanded application of mine original system.
The OPC standard is based on the OLE technology of Microsoft, and its formulation is finished by standard set OLE/COM interface is provided, and what use in the OPC technology is OLE 2 technology, and the OLE standard allows to exchange objects such as document, figure between many microcomputers.
COM is a kind of standard in order to realize formulating with the irrelevant object of programming language, and this standard is a separate unit with the object definition under the Windows, can not be subjected to these unit of program limit accessing.
Opc server is supported two types access interface usually, and the programming language environment that they are respectively different provides access mechanism.These two kinds of interfaces are: automation interface (Automation interface); Self defined interface (Custominterface).OPC is for the software interface standard between the user who connects data source (opc server) and data (OPC application program).Data source can be opertaing devices such as PLC, DCS, barcode reader.The difference that constitutes with control system promptly can be the local opc server that moves on same computing machine with the OPC application program as the opc server of data source, also can be the long-range opc server that moves on other computing machine.
Utility model patent 200420039442.9 " microseismic detection instrument under the coal mine " discloses microseismic detection instrument under a kind of coal mine, it is to lay an industrial control computer in explosion-proof casing, be connected with data acquisition unit on the slot of computing machine, and with explosion-proof big lid with housing seal; In explosion-proof casing one side the terminal box that connects together is arranged, leaded mouth on the terminal box is installed several connection terminals in the terminal box, and connection terminal is connected to data acquisition unit in housing; The cable plug of shock sensor is plugged into connection terminal by intake, and terminal box seals these connection terminals with explosion-proof tegillum again, and the explosion-proof casing opposite side is provided with explosion-proof transparent windows, is used to observe graphoscope.This instrument volume is less, is easy to carry, and is used in the down-hole and directly detects microseism data accurately and reliably.This scheme remains independently system, is difficult to combine with the mine existing system, is unfavorable for using and popularization.
Summary of the invention
The purpose of this utility model provides a kind of microseismic detection device based on the OPC interface.
The purpose of this utility model realizes by following technical proposals:
Microseismic detection device based on the OPC interface of the present utility model, the hardware components that it is characterized in that detecting unit comprises sensor, the part of data acquisition that is connected of sensor therewith, the data processing section that is connected of part of data acquisition therewith, described part of data acquisition comprises prime amplifier, A/D converter three parts that are connected with wave filter therewith of the wave filter that is connected of prime amplifier therewith, described data processing section comprises the CPU that A/D converter therewith is connected, the Ethernet interface that is connected of CPU therewith, GPS, this Ethernet interface is connected with central processing platform.
Described sensor adopts three-dimensional measurement, promptly adopts three-component acceleration transducer.
Described prime amplifier is a gain-programmed amplifier, and described wave filter adopts broadband, low pass hardware filtering device.
The data analysis algorithm of the built-in curing of described CPU.
The overall hierarchy structure of described Ethernet comprises field control layer, the supervisory control comuter layer, client layer, field control layer by the microseismic detection unit as the site intelligent node, supervisory control comuter adopts PC, is provided with the OPC data access server in the supervisory control comuter layer.
Described OPC data access server is made up of server object, group objects, an object, data storage area and tcp/ip communication interface, and this tcp/ip communication interface is connected with field apparatus by network interface card, and the OPC interface is connected with client layer.
Data acquisition unit with the three-component microseismic signals that the ore deposit shakes sensor output amplify, filtering, sample quantization is encoded into digital signal, is convenient to carry out digital transmission and Computer Processing.
The ore deposit shake is very little through the amplitude of the electric signal that sensor is converted to, can't directly carry out the A/D conversion, must add prime amplifier these signals are carried out processing and amplifying, this unit is designed to programme-controlled gain with prime amplifier, make detecting unit have great dynamic range, adapt to the Strength Changes of ore deposit shake on a large scale.
Because be subjected to the influence of external environment condition, detecting unit will receive a large amount of undesired signals, must separate, not so will influence normal judgement.Because the undesired signal frequency range is more concentrated, so filtering is simple relatively.In this detecting unit, adopt broadband, low pass hardware filtering.
A/D converter will be a digital signal through the analog signal conversion of amplification and Filtering Processing, send center processing unit to behind the superposition clock coding.
CPU is the data analysis and the processing enter of microseismic detection unit, and built-in data analysis algorithm, is judged the data of gathering at the Algorithm Analysis by solidifying, and analysis result is sent to central processing platform.
The transmission mode of competition because Ethernet is taked to conflict has the probabilistic characteristics of transmission.But perfect along with the reinforcement of the increase of bandwidth, redundant measure and self-diagnostic program, Ethernet can satisfy the requirement of middle-size and small-size control system real-time fully.It is cheap that the while Ethernet has the network of relation product price, advantages such as opening is good, technology maturation.
After field intelligent device reaches supervisory control comuter with field data by Industrial Ethernet, exist information sharing and mutual problem.On the one hand, the supervisory control comuter internal applications need be to the handling of field data, and on the other hand, the enterprise production management layer need carry out information communication and transmission with supervisory control comuter.The appearance of OPC has then solved the bottleneck problem of control system breakthrough " information island ".
The OPC technology is that the OLE/COM technology with Microsoft is technical manual and the standard that the basis is set up, and it adopts CLIENT, has defined one group of com object and double nip thereof (Dual Interface).
The OPC object mainly comprises server, group and item.Target opc server also as the container of group objects, is dynamically created or the release group objects except safeguarding self information; And group objects also is a tundish vessel with respect to Xiang Eryan, and it provides the mechanism of a cover management item; The OPC item then represented with opc server in being connected of data, comprise value, quality, three base attributes of timestamp.
OPC object double nip is made up of OPC automation interface and custom interface.Under the C/S mode of operation, CLIENT PROGRAM is connected with opc server by interface.
The overall hierarchy structure of Ethernet microseismic system: key-course at the scene, microseismic detection unit are as the site intelligent node, and main effect is to carry out data acquisition, status monitoring and warning, and with the data upload of gathering; Supervisory control comuter then adopts PC.Operation OPC data access server program in the supervisory control comuter, the data of coming are caught in on-the-spot microseismic detection unit to be delivered to monitoring software by the OPC interface and monitors, and utilize configuration software to carry out complicated configuration work, configuration info is downloaded on the microseismic detection unit, adjusted its algorithm and parameter.
The OPC data access server mainly is made up of server object, group objects, an object, data storage area and tcp/ip communication interface.
Because the OPC data access server should communicate by network interface card and field apparatus, undertaken alternately by OPC interface and CLIENT PROGRAM again, so adopt the multithreading model to guarantee the efficient of data access.For avoiding different threads simultaneously the data in the data field to be operated, also need to consider mutual exclusion control to the critical section.The OPC technology is the COM technology based on Microsoft, needs simultaneously directly to come into contacts with bottom hardware, so adopt the VC realization more flexible.The OPC data access server mainly is divided into the realization of OPC general-purpose interface, hardware interface and data storage area, and the realization of hardware interface mainly is to realize ethernet interface in native system.
At first define the title (ProgID) and the class sign (CLSID) of OPC data access server, realize OPC data access server class factory object.By the OPCServer class that defines in the OPC standard, OPCGroup class and OPCItem class, derive device, integrated circuit board, three new classes of passage respectively then.
The interface that defines in the OPC standard can be divided into optional interface and essential interface, but for any opc server, should realize the member function of essential interface.Therefore essential interface member function in its parent of heavy duty in derived class, and according to the optional interface member function of actual conditions heavy duty, for example: IOPCBrowseServerAddressSpace interface etc.In order to satisfy actual requirement, also need to define the specific properties and the method for each derived class and realize its method.
The design of communication interface is the key that the OPC data access server is applied to Industrial Ethernet Control System.Because control system is different from common LAN (Local Area Network), so the reliability of communication and real-time are the key factors that must consider.
The beneficial effects of the utility model: utilize the OPC standard can realize convenient, fast connection the between microseismic detection unit and CSRC, mine control system, the management system, be convenient to engineering technical personnel and be familiar with grasping, meet the trend of automatic field development.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is the overall hierarchy structured flowchart of Ethernet of the present utility model.
Fig. 3 is the structured flowchart of OPC data access server of the present utility model.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
As shown in Figure 1, microseismic detection device based on the OPC interface of the present utility model, the hardware components that it is characterized in that detecting unit comprises sensor, the part of data acquisition that is connected of sensor therewith, the data processing section that is connected of part of data acquisition therewith, described part of data acquisition comprises prime amplifier, A/D converter three parts that are connected with wave filter therewith of the wave filter that is connected of prime amplifier therewith, described data processing section comprises the CPU that A/D converter therewith is connected, the Ethernet interface that is connected of CPU therewith, GPS, this Ethernet interface is connected with central processing platform.
Described sensor adopts three-dimensional measurement, promptly adopts three-component acceleration transducer.
Described prime amplifier is a gain-programmed amplifier, and described wave filter adopts broadband, low pass hardware filtering device.
The data analysis algorithm of the built-in curing of described CPU.
As shown in Figure 2, the overall hierarchy structure of described Ethernet comprises field control layer, the supervisory control comuter layer, client layer, as the site intelligent node, supervisory control comuter adopts PC to field control layer, is provided with the OPC data access server in the supervisory control comuter layer by the microseismic detection unit.
As shown in Figure 3, described OPC data access server is made up of server object, group objects, an object, data storage area and tcp/ip communication interface, this tcp/ip communication interface is connected with field apparatus by network interface card, and the OPC interface is connected with client layer.
The beneficial effects of the utility model: utilize the OPC standard can realize convenient, fast connection the between microseismic detection unit and CSRC, Mining Control System, the management system, be convenient to engineers and technicians and be familiar with grasping, meet the trend of automatic field development.
Claims (6)
1. microseismic detection device based on the OPC interface, the hardware components that it is characterized in that detecting unit comprises sensor, the part of data acquisition that is connected of sensor therewith, the data processing section that is connected of part of data acquisition therewith, described part of data acquisition comprises prime amplifier, A/D converter three parts that are connected with wave filter therewith of the wave filter that is connected of prime amplifier therewith, described data processing section comprises the CPU that A/D converter therewith is connected, the Ethernet interface that is connected of CPU therewith, GPS, this Ethernet interface is connected with central processing platform.
2. the microseismic detection device based on the OPC interface according to claim 1 is characterized in that described sensor adopts three-dimensional measurement, promptly adopts three-component acceleration transducer.
3. the microseismic detection device based on the OPC interface according to claim 1 is characterized in that described prime amplifier is a gain-programmed amplifier, and described wave filter adopts broadband, low pass hardware filtering device.
4. the microseismic detection device based on the OPC interface according to claim 1 is characterized in that the data analysis algorithm of the built-in curing of described CPU.
5. the microseismic detection device based on the OPC interface according to claim 1, the overall hierarchy structure that it is characterized in that described Ethernet comprises field control layer, the supervisory control comuter layer, client layer, field control layer by the microseismic detection unit as the site intelligent node, supervisory control comuter adopts PC, is provided with the OPC data access server in the supervisory control comuter layer.
6. the microseismic detection device based on the OPC interface according to claim 5, it is characterized in that described OPC data access server is made up of server object, group objects, an object, data storage area and tcp/ip communication interface, this tcp/ip communication interface is connected with field apparatus by network interface card, and the OPC interface is connected with client layer.
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| CN 201020209597 CN201707447U (en) | 2010-06-01 | 2010-06-01 | Micro-quake detection device based on an OPC interface |
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| CN 201020209597 CN201707447U (en) | 2010-06-01 | 2010-06-01 | Micro-quake detection device based on an OPC interface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062677A (en) * | 2014-07-03 | 2014-09-24 | 中国科学院武汉岩土力学研究所 | Multifunctional comprehensive integrated high-precision intelligent micro-seismic monitoring system |
| CN109946536A (en) * | 2019-01-17 | 2019-06-28 | 北京航空航天大学 | A kind of comprehensive reliability test system based on OPC technology |
-
2010
- 2010-06-01 CN CN 201020209597 patent/CN201707447U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062677A (en) * | 2014-07-03 | 2014-09-24 | 中国科学院武汉岩土力学研究所 | Multifunctional comprehensive integrated high-precision intelligent micro-seismic monitoring system |
| CN104062677B (en) * | 2014-07-03 | 2017-02-15 | 中国科学院武汉岩土力学研究所 | Multifunctional comprehensive integrated high-precision intelligent micro-seismic monitoring system |
| CN109946536A (en) * | 2019-01-17 | 2019-06-28 | 北京航空航天大学 | A kind of comprehensive reliability test system based on OPC technology |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20180601 |