CN104237935A - Common data recording system architecture for geophysical exploration and constructing method of architecture - Google Patents
Common data recording system architecture for geophysical exploration and constructing method of architecture Download PDFInfo
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Abstract
The invention relates to a common data recording system architecture for geophysical exploration and a constructing method of the architecture. The system architecture comprises a plurality of cable data drivers, a system monitoring module, a recording and storage module and a daily and monthly inspection data processing module. Each cable data driver is respectively connected to the system monitoring module and the recording and storage module through to Ethernet interfaces so as to achieve cable data monitoring and recording and storage. Each cable data driver is connected to the daily and monthly inspection data processing module through a high-speed serial interface. The daily and monthly inspection data processing module combines and processes daily and monthly data output by the cable data drivers, synthesizes the combined processed results and the cable data recording and storage results of the recording and storage module to perform daily and monthly data analysis. The system architecture is high in data transmission capability, flexible in configuration, high in expansion capability, simple in structure and capable of increasing reliability and working efficiency.
Description
Technical field
The present invention relates to a kind of technical field of geophysical exploration, particularly a kind of conventional data register system framework for geophysical survey and construction method thereof.
Background technology
For in the various geophysical exploration method such as oil, geology, seismic prospecting is the most frequently used a kind of effective ways.In these class methods, usually adopt manual type to carry out earthquake-wave-exciting, geophysical prospecting equipment collects seismic signal by the sensor array (as land moving-coil geophone, sea piezoelectric ceramic hydrophone) arranged, and gathers and record.During the exploration operation of land, carry out data acquisition by the acquisition station of dispersion, then utilize the enterprising line item of main frame that data are sent in instrument truck by cross spider by cross-station; During marine geophysical prospecting operation, geophysical vessel pulls in several cable array being furnished with piezoelectric ceramic hydrophone and at sea at the uniform velocity advances, and the quantity of cable determines scale and the precision of seismic exploration.In order to complete the collection of seismic acquisition data, underwater circuit gathers seismic signal, and is uploaded in shipborne system by signal transmssion line and carry out record.
In order to solve the problem of magnanimity earthquake survey data record, traditional data record framework generally all can adopt a cabinet, and places some parts such as interface arrangement and crate controller wherein, to complete the process of the reception of data, process and record.The most frequently used mode be cabinet by its core bus, participate in data transmission procedure.Particularly, traditional data record framework utilizes a cabinet with High speed rear panel bus (as pci bus, CompactPCI bus, VME bus etc.), settles several piece cable (as land intersection cable, ocean underwater cable) data driver and one piece of crate controller in cabinet.Wherein, cable data driver is for completing the collection of cable institute tape channel uploading data.Pass through core bus, data are first sent to crate controller by these cable data drivers, magnetic tape station or other memory device is transmitted to again, if namely " Hai Liang " high precision seismic cable acquisition system of COSL, the NTRS3C register system etc. of HydroScience are adopt this framework by network interface (being generally kilomega network) integrated on crate controller.
For under complicated earth surface and structural environment, find the hydrocarbon-bearing pool that more depth of burial are large, complexity is high, current geophysical prospecting technology towards the future development of " two wide high ", i.e. wide-azimuth, broadband, high-resolution.The requirement such as height covering, high density, large skew, wide-azimuth, small distance between receivers of exploration industry requirement, needs the technology such as the sampling of development high density spatial, split-second precision sampling, multi-wave and multi-component collection in the future.In order to improve the spatial resolving power of geophysical prospecting equipment, instrument channel number is increasing, and track pitch is more and more less, as " Hai Liang " system of COSL, track pitch reaches 3.125 meters, this greatly can improve the spatial resolution of geophysical prospecting equipment, is easy to just allow the port number of geophysical prospecting equipment be increased to more than 100,000 roads, thus proposes high requirement to the real-time tape track ability of seismic prospecting instrument.Meanwhile, in order to improve the temporal resolution of system, geophysical prospecting equipment front end is shorter and shorter for the digitization time interval of simulating signal, if tradition is 1ms, now 0.25ms can be reached, and engineer geological prospecting even reaches 0.0625ms, this proposes high requirement to the real-time and high-speed data transmission ability of geophysical prospecting equipment again.
Along with the development of geophysical prospecting technology, traditional data record framework exposes its weak point gradually, is mainly reflected in: 1) extended capability Shortcomings.The rapid lifting of port number and systematic sampling rate, the increasing pressure causing traditional record framework based on case back plate bus mode to carry out data record is large.The feature of this framework is the process that there is data secondary " convergence " in the process of data record, the data of cable data driver first " convergences " to crate controller, the data of then each crate controller collection again " convergence " to recording memory device.Obviously, crate controller is the data " terminal " of this framework data stream.In order to improve the real-time tape track ability of instrument, need the quantity of growth data driver or data reading computing machine.When extension cable data driver quantity, because core bus generally belongs to time-multiplexed shared bus, polylith (as Compact pci bus is generally four pieces) bus apparatus shared bus can interrupt control signal wire.When cable data number of drives is too much, between some cable data driver, just there will be IRQ conflict, need extra mechanism to process.Too much cable data driver also can be difficult to the timely transmission ensureing data because of the restriction of unit case core bus transmission performance bottleneck, on crate controller, network interface (being generally kilomega network) is also difficult to deal with too high data transmission pressure simultaneously.And though extending controller network interface quantity can improve data transfer bandwidth, but for avoiding influencing each other between Multi-netmouth and cable data driver, then need network interface difference carry on different buses, this obviously proposes high requirement to the selection of crate controller.In addition, high-performance point-to-point core bus data transmission technology (as ATCA etc.) of new development, and utilize high performance controller (integrated 10,000,000,000 network interfaces), thus improve the transmission bandwidth of register system, but the technology of this method and manufacturing cost high.2) reliability existing defects.Geophysical prospecting equipment requires high when carrying out operation to system reliability, needs it can run incessantly within several weeks even time of several months.As the crate controller that data stream " terminal " acts on, be the bottleneck of system data transmission, also easily cause single point failure.First aspect, as previously mentioned, shared bus technology can cause the bus collision of polylith cable data driver, and solution is usually only limitted to slot position, the extended housing of fixed drive or develops new synchronization mechanism etc.Bus collision can cause the data transmission failure in whole cabinet, thus makes data transmit loss; Second aspect, in order to reach efficient data transmission capabilities, a large amount of data are quickly transferred to crate controller by cable data driver general DMA (direct memory access) technology.But the precondition of DMA technology is it, and each transmitted data amount all can be tightly controlled, cable data driver may be only the inefficacy that the dislocation of 1bit all can cause whole piece cable data, also may cause the collapse of whole case system simultaneously; The third aspect, in order to realize highly reliable data transmission capabilities traditional based on the record framework of case back plate bus mode, needs to utilize many plug-in units redundancy in conjunction with hot swapping, thus reduces system downtime.But this technology realizes difficulty and cost is all very large, is generally used for telecommunication apparatus, shorter mention in geophysical equipment.To sum up, due to the defect in dirigibility, reliability etc., existing state properties record framework realizes that cost is high, poor expandability, complex structure, poor reliability, cannot adapt to the direction of geophysical prospecting technology development, need to seek new solution.
Summary of the invention
The present invention is directed to the existence of existing state properties record framework and realize the problems such as cost is high, poor expandability, complex structure, poor reliability, a kind of novel conventional data register system framework for geophysical survey is provided, possesses extremely strong data transmission capabilities, flexible configuration and extended capability is strong, structure is simple, can improve reliability and work efficiency.The invention still further relates to a kind of construction method of the conventional data register system framework for geophysical survey.
Technical scheme of the present invention is as follows:
A kind of conventional data register system framework for geophysical survey, it is characterized in that, comprise several cable data drivers, also comprise system-monitoring module, record memory module and day monthly test data processing module, described cable data driver is provided with two Ethernet interfaces and a HSSI High-Speed Serial Interface, described each cable data driver is all connected to system-monitoring module respectively by two Ethernet interfaces and record memory module stores with the monitoring and record that realize cable data respectively; Each cable data driver connects day monthly test data processing module by HSSI High-Speed Serial Interface, described system-monitoring module is connected with day monthly test data processing module respectively with record memory module, and described day monthly test data processing module carries out merging treatment to the day monthly test data that each cable data driver exports and the cable data record event memory of this merging treatment result comprehensive and record memory module carries out a day monthly test data analysis.
Described day monthly test data processing module comprises interconnective day monthly test data merging treatment module and day monthly test data analysis module, described each cable data driver connects day monthly test data merging treatment module by HSSI High-Speed Serial Interface thus the day monthly test data that each cable data driver exports is carried out to merging treatment and exported merging treatment result to a day monthly test data analysis module by the Ethernet interface that day monthly test data merging treatment module is arranged, described system-monitoring module is connected with day monthly test data analysis module respectively with record memory module, the merging treatment result of described day monthly test data analysis module comprehensive day monthly test data merging treatment module and the cable data record event memory of record memory module carry out a day monthly test data analysis, and analysis result is delivered to system-monitoring module display.
Described each cable data driver is connected with system-monitoring module through first network switch by the Ethernet interface of self, each cable data driver is connected with record memory module through second network switch by another Ethernet interface of self, described day monthly test data merging treatment module is connected with day monthly test data analysis module through second network switch by the Ethernet interface of self, and described record memory module also receives the head segment data of focus control system by second network switch.
Also comprise for receiving and detecting the startup and the triggering synchronous of time break and data arbitration modules that focus control system sends, described each cable data driver is provided with time break input interface and data record request interface, each cable data driver to be connected with triggering synchronous and data arbitration modules by time break input interface thus to receive the time break from triggering synchronous and data arbitration modules fan-out, each cable data driver to be connected with triggering synchronous and data arbitration modules by data record request interface thus to carry out data by triggering synchronous and data arbitration modules and arbitrates the cable data realizing cable data driver and send in order to recording memory module and record storage.
Described cable data driver comprises a FPGA circuit, a described FPGA circuit comprises interconnective data stream separation control circuit and serial processing module, the data separating process of cable data driver is obtained monitor data stream by described data stream separation control circuit, record data stream and analysis data stream, described data stream separation control circuit connects two Ethernet interfaces thus respectively monitor data stream and record data stream is transported to system monitoring module and record memory module, the Ethernet interface be connected with record memory module is gigabit ethernet interface, analyze data stream transmitting to serial processing module and carry out a day acquisition process for monthly test data, the day monthly test data of acquisition process export a day monthly test data merging treatment module to by HSSI High-Speed Serial Interface, disconnected detection and order generation module when described FPGA circuit also comprises, time described, disconnected detection and order generation module are connected with time break input interface.
Described record memory module comprises the first network data reception module, network data format change-over circuit, data storage control circuit and the memory device that connect successively, the described record data of first network data reception module receiving cable data driver and the head segment data of focus control system, carry out format conversion by network data format change-over circuit according to record memory requirement, carry out data storage by the data after the conversion of data storage control circuit control format to memory device; Described record memory module also comprises network data sending module, and described network data sending module is connected with network data format change-over circuit for record data are sent to a day monthly test data analysis module by second network switch.
Described day monthly test data merging treatment module comprises the 2nd FPGA circuit, described 2nd FPGA circuit comprises the processing module of unstringing connected successively, data send routing module control and data transmission buffer, described data transmission buffer connects the Ethernet interface of day monthly test data merging treatment module, the day monthly test data that described processing module of unstringing receives the output of multiple cable data driver carry out solution string manipulation and merge as complete single big gun seismic acquisition data being sent to data transmission routing module control respectively, described complete single big gun seismic acquisition data is orderly under data send the control of routing module control is sent to a day monthly test data analysis module by data transmission buffer and Ethernet interface successively.
Described triggering synchronous and data arbitration modules comprise the 3rd FPGA circuit, described 3rd FPGA circuit comprise time break generation module and with the effective detection module of its signal be simultaneously connected, time break fan-out modular and data send moderator, received by the effective detection module of signal and detect focus control system send startup and time break, get effective time break through the process of time break generation module and export cable data driver to through time break fan-out modular again, send moderator by data to receive the data record request signal that sends from cable data driver and carry out cable data that data arbitration realizes cable data driver and send in order and record and be stored to record memory module simultaneously.
Described day monthly test data analysis module comprises the second network data reception module, index analysis processing module and the index sending module that connect successively, receive the merging treatment result of day monthly test data merging treatment module and the cable data record event memory of record memory module by second network data reception module, carry out index comprehensive analyzing and processing by index analysis processing module and be sent to system-monitoring module by index sending module again;
Described system-monitoring module comprises the 3rd network data receiver module, display module and the control terminal that connect successively, by the Monitoring Data of the 3rd network data receiver module receiving cable data driver, monitoring result is shown by display module, index sending module is connected with display module and then is also shown by display module by analysis result, described system-monitoring module and day monthly test data analysis module are provided with synchronization monitoring configuration module, and described control terminal is connected with each synchronization monitoring configuration module.
A kind of construction method of the conventional data register system framework for geophysical survey, adopt several that cable data driver of two Ethernet interfaces and a HSSI High-Speed Serial Interface is set simultaneously, data stream up for cable is carried out separating treatment and is obtained monitor data stream by each cable data driver, record data stream and analysis data stream, by an Ethernet interface, monitor data stream is sent to system-monitoring module, by another Ethernet interface, record data stream is sent to record memory module, data flow Summer Solstice or the Winter Solstice monthly test data processing module will be analyzed by HSSI High-Speed Serial Interface, day monthly test data processing module carries out merging treatment to the day monthly test data that each cable data driver exports and the cable data record event memory of this merging treatment result comprehensive and record memory module carries out a day monthly test data analysis.
Monitor data flows through an Ethernet interface and is connected with system-monitoring module through first network switch, record data stream is connected with record memory module through second network switch by another Ethernet interface of self, and record memory module also receives the head segment data of focus control system by second network switch; Described analysis data stream first carries out merging treatment by day monthly test data merging treatment module to the day monthly test data that each cable data driver exports, Ethernet interface again by day monthly test data merging treatment module is arranged exports merging treatment result to a day monthly test data analysis module through second network switch, carry out a day monthly test data analysis by the merging treatment result of day monthly test data analysis module comprehensive day monthly test data merging treatment module and the cable data record event memory of record memory module, and analysis result is delivered to system-monitoring module display.
Employing triggering synchronous and data arbitration modules receive and detect startup and the time break of focus control system transmission, and time break input interface and data record request interface are set on each cable data driver, each cable data driver to be connected with triggering synchronous and data arbitration modules by time break input interface thus to receive the time break from triggering synchronous and data arbitration modules fan-out, each cable data driver to be connected with triggering synchronous and data arbitration modules by data record request interface thus to carry out data by triggering synchronous and data arbitration modules and arbitrates the cable data realizing cable data driver and send in order to recording memory module and record storage.
Analyze data stream and first carry out process of unstringing in day monthly test data merging treatment module, the day monthly test data that multiple cable data driver exports carry out solution string manipulation respectively and as sending route test by data after complete single big gun seismic acquisition data merging thus data being sent in an orderly manner a day monthly test data analysis module, the laggard row index comprehensive analysis processing of cable data record event memory of merging treatment result and record memory module that day monthly test data analysis module receives day monthly test data merging treatment module is sent to system-monitoring module again; System-monitoring module shows monitoring result by display module after receiving monitor data stream, and display module also shows the index comprehensive analysis processing result of day monthly test data analysis module; By module monitors and configuration process real-time Communication for Power and synchronous between system-monitoring module and day monthly test data analysis module, and carry out man-machine interaction by arranging control terminal at system-monitoring module.
Technique effect of the present invention is as follows:
Conventional data register system framework for geophysical survey provided by the invention, each cable data driver arranges two Ethernet interfaces and a HSSI High-Speed Serial Interface, each cable data driver is all connected to system-monitoring module respectively by two Ethernet interfaces and record memory module stores with the monitoring and record that realize cable data respectively, each cable data driver connects day monthly test data processing module by HSSI High-Speed Serial Interface, day monthly test data processing module carries out merging treatment to the day monthly test data that each cable data driver exports and the cable data record event memory of this merging treatment result comprehensive and record memory module carries out a day monthly test data analysis.Cable data characteristic when conventional data register system framework of the present invention runs according to geophysical survey, seismic acquisition data (i.e. cable data) on cable exports three-channel parallel and independently data channel by cable data driver, the monitor channel being connected to system-monitoring module formation realizes the monitoring of cable data, be connected to the record of memory channel for seismic acquisition data record of record memory module formation, be connected to day analysis channel of monthly test data processing module formation for day monthly test aggregation of data analyzing and processing, constraint mutually and interference is not formed between this three circuit-switched data passage, owing to utilizing Ethernet data transmission technology, the exception of any cable data all can not cause the collapse of digital data recording system framework globality, and can complete within the extremely short time and reconnect, improve system architecture unfailing performance and work efficiency.This system architecture abandons the crate controller of " terminal " formula that conventional art adopts, depart from the constraint of the crate controller core bus of prior art systems framework, overcome the data transmission bottle neck problem adopting crate controller to cause, adopt complete flattening, the data transmission architecture of parallelization, in conjunction with Ethernet data transmission technology, by three-channel parallel and separate data channel is separated the data stream of earthquake-capturing, and ensure independence and the concurrency of each data stream, the complete equality of each transmission paths, system architecture is while guarantee pieces of data channel transfer performance, particular/special requirement can not be had to any channel path, thus make system architecture not by the restriction of cable number, possesses extremely strong data transmission capabilities, and high versatility, and flexible configuration and the extended capability of number of cables can be supported, and system architecture is simple, greatly reduce and realize difficulty and cost, meet the direction of geophysical prospecting technology development.
The construction method of the conventional data register system framework for geophysical survey provided by the invention, adopt several that cable data driver of two Ethernet interfaces and a HSSI High-Speed Serial Interface is set simultaneously, data stream up for cable is carried out separating treatment and is obtained monitor data stream by each cable data driver, record data stream and analysis data stream, to ensure that three data stream are transmitted without interfering with each other, data stream realizes with network mode, varying in size according to data traffic, the convergent point of data stream can configure flexibly, thus ensure that the system architecture built is stablized, reliably, run efficiently.The conventional data register system framework for geophysical survey that this construction method builds based on distributed full parellel data processing technique, the flexible configuration of number of cables can be supported, cable data processing load is carried out equilibrium assignment, data stream separation, eliminate the bottleneck of cable data process and transmission, the quantity of crate controller that the system architecture scale built is not adopted by cable data driver and conventional art or the restriction in space, system architecture expansion is flexible, each cable data driver is set and all possesses the ability of being carried out data output by high-performance Ethernet, behavior is converged in the centre " in rotatable " of eliminating data stream, the separate design of three circuit-switched data streams is directly carried out from cable data driver, utilize multi-process Parallelizing Techniques means, realize data monitoring, the function of record storage and day monthly test data analysis, to realize the quality control in system operation and fault restoration, thus it is highly reliable to make constructed system architecture have, the advantage of full parellel and Effec-tive Function, the renewal of each cable data driver, upgrading configuration also becomes easier, the technical costs of the system architecture built, financial cost and maintenance cost can be accomplished very low, be conducive to installing and using and promoting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for the conventional data register system framework of geophysical survey.
Fig. 2 is the preferred structure schematic diagram of the present invention for the conventional data register system framework of geophysical survey.
Fig. 3 is the outside connection diagram of system shown in Figure 2 framework.
Fig. 4 is the preferred structure schematic diagram of the cable data driver in present system framework.
Fig. 5 is the preferred structure schematic diagram of the record memory module in present system framework.
Fig. 6 is the preferred structure schematic diagram of the day monthly test data merging treatment module in present system framework.
Fig. 7 is the preferred structure schematic diagram of system-monitoring module in present system framework and day monthly test data analysis module.
Fig. 8 is the preferred structure schematic diagram of triggering synchronous in present system framework and data arbitration modules.
In figure, each label lists as follows:
1-Ethernet interface; 2-Ethernet interface; 3-HSSI High-Speed Serial Interface; 4-time break input interface; 5-data record request interface; 6-first network switch; 7-second network switch.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described.
No matter how complicated the application of geophysical instrument is, and environment how difference, the Core Feature of its digital data recording system is all the same, namely completes record and the storage of seismic acquisition data.Although front end distributed sensor networks form is different, kind of sensor and quantity different, but finally must carry out data communication by several cables between sensor network and register system, the difference of geophysical prospecting equipment scale can cause the quantitative difference of these cables.Except this, otherness is just embodied in the difference of data transfer mode on cable, as optical fiber or electricity, base band or modulation, LVDS or Ethernet etc.Therefore, record in foundation geophysical prospecting equipment and this cardinal rule of difference of transmission system responsibility, the digital data recording system of the transmission system high with the sensor network degree of association and rear end is peeled off by the present invention mutually, a kind of high-performance is proposed, the conventional data register system framework of highly reliable geophysical survey, its structural representation as shown in Figure 1, comprise several cable data drivers, also comprise system-monitoring module, record memory module and day monthly test data processing module, wherein, cable data driver is provided with two Ethernet interfaces and a HSSI High-Speed Serial Interface, each cable data driver realizes the monitoring of cable data by Ethernet interface 1 connected system monitoring module, the record that each cable data driver realizes cable data by Ethernet interface 2 linkage record memory module stores, each cable data driver connects day monthly test data processing module by HSSI High-Speed Serial Interface 3, system-monitoring module is connected with day monthly test data processing module respectively with record memory module, day monthly test data processing module carries out merging treatment to the day monthly test data that each cable data driver exports and the cable data record event memory of this merging treatment result comprehensive and record memory module carries out a day monthly test data analysis.
Fig. 2 is the preferred structure schematic diagram of the present invention for the conventional data register system framework of geophysical survey, and Fig. 3 is its outside connection diagram.The conventional data register system framework of this embodiment comprises several cable data drivers, also comprises system-monitoring module, record memory module, day monthly test data processing module, first network switch, second network switch, triggering synchronous and data arbitration modules and the normal formula frame direct supply for powering.Wherein, each cable data driver is connected with system-monitoring module through first network switch 6 by the Ethernet interface 1 of self, each cable data driver is connected with record memory module through second network switch 7 by another Ethernet interface 2 of self, and record memory module also receives the head segment data of focus control system by second network switch 7, day monthly test data processing module comprises interconnective day monthly test data merging treatment module and day monthly test data analysis module, day monthly test data merging treatment module is connected with day monthly test data analysis module through second network switch 7 by the Ethernet interface of self, system-monitoring module is connected with day monthly test data analysis module, record memory module is connected with day monthly test data analysis module through second network switch 7, each cable data driver passes through HSSI High-Speed Serial Interface 3 (as LVDS, LVPECL etc.) connect day monthly test data merging treatment module thus the day monthly test data that each cable data driver exports are carried out to merging treatment and exported merging treatment result to a day monthly test data analysis module by the Ethernet interface that day monthly test data merging treatment module is arranged, the merging treatment result of day monthly test data analysis module comprehensive day monthly test data merging treatment module and the cable data record event memory of record memory module carry out a day monthly test data analysis.In addition, each cable data driver is also provided with time break input interface 4 and data record request interface 5, each cable data driver (is called for short TB interface by time break input interface 4, adopt the level standards such as LVDS or RS485) be connected with triggering synchronous and data arbitration modules thus receive the time break from triggering synchronous and data arbitration modules fan-out, thus ensure system-level synchronous working; Each cable data driver to be connected with triggering synchronous and data arbitration modules by data record request interface 5 thus to carry out data arbitration by triggering synchronous and data arbitration modules, determine that record data are sent to record memory module by which block (or which) cable data driver by triggering synchronous and data arbitration modules, thus the cable data realizing cable data driver sends and records storage in order to record memory module.
Cable data driver is the core component of whole geophysical equipment, it is the mutual interface of digital data recording system and transmission system, also be the basis that conventional data register system framework parallelization data transmission scheme of the present invention is different from traditional scheme, its Main Function has been that cable (optical fiber or cable) uploads the reception of seismic acquisition data, the sequence process of sequential road, data distribution process and control, the issuing of configuration order.Gather the design proposal of array according to cable, the data exchange interface between cable data driver and cable can utilize optical fiber or high-speed electrical transmission mode to realize, and concrete mode and agreement can be selected flexibly; Itself and system-monitoring module and to record between memory device (data memory node) mutual then utilizes Ethernet to realize.For ensureing the real-time that seismic acquisition data stores, after completing the operation such as protocol processes, the sequence conversion of sequential road, received cable data is carried out shunting process by this cable data driver, is three parallel tunnels: the first via directly delivers to record memory module by the data stream separation that cable is up; Monitoring module is delivered on second road; 3rd route day monthly test data merging treatment module delivers to a day monthly test data analysis module.Because system monitoring has certain refresh requirements to data, do not need to carry out pointwise monitoring to sampled data, therefore monitor data stream is that cable data driver extracts the reduced data stream of rear generation to original data stream.The register system framework that this design proposal is formed can meet the object that system is monitored in real time, also can reduce monitor force.
In actual applications, cable data driver casing can be adopted, the Main Function of cable data driver casing is for cable data driver provides power supply and mechanical support, and do not need the data-interface of similar bus, its quantity is configured according to cultivation scale demand.The cable data driver of some can be placed in this casing, each cable data driver box house as shown in Figure 2 installs two cable data drivers, total casing 1 to casing N, and, to the position not any constraint of cable data driver in casing.This casing can make standard size, to facilitate in the standard cabinet that is installed to as 19 inches.Preferably each cable data driver casing, day monthly test data merging treatment module and triggering synchronous and data arbitration modules are installed in standard cabinet.The effect of first network switch 6 and second network switch 7 is undertaken interconnected by all component by Ethernet, thus form an integration can the conventional data register system framework of network data transmission.
Fig. 4 is the preferred structure schematic diagram of the cable data driver in present system framework, and there is the data channel of two parallel bidirectionals between itself and collection cable, mode of operation is full duplex.Cable data driver mainly comprises a FPGA circuit, and a FPGA circuit realizes data processing and the control algolithm of whole cable data driver, to ensure its real-time and reliability with the form of hardware logic.One FPGA circuit comprises the geological data receiving interface module, protocol analysis data generation module, sequential road sequence modular converter, data stream separation control circuit and the serial processing module that connect successively, also comprise connect successively time disconnected to detect and order generation module, system protocol package module and system command transmission interface module, wherein, geological data receiving interface module, protocol analysis data generation module, sequential road sequence modular converter, system protocol package module and system command transmission interface module are the general components of traditional cable data driver.The data separating process of cable data driver is obtained monitor data stream by data stream separation control circuit, record data stream and analysis data stream, data stream separation control circuit connects two Ethernet interfaces thus respectively monitor data stream and record data stream is transported to system monitoring module and record memory module, the Ethernet interface be connected with record memory module is preferably high performance gigabit ethernet interface, gigabit ethernet interface can have very high data rate, its data transmission rate is 1000Mpbs, analyze data stream transmitting to serial processing module and carry out a day acquisition process for monthly test data, the day monthly test data that acquisition process obtains export a day monthly test data merging treatment module to by HSSI High-Speed Serial Interface, in time, disconnected to be detected and order generation module is connected with time break input interface.
The principle of work of cable data driver is as follows: in order to improve the versatility of register system, ensure the connection between itself and complicated and diversified sensor array transmission system, first cable upstream data signal needs to process through cable signal adaptation module, then deliver to geological data receiving interface module and carry out unitized process, deliver to protocol analysis data generation module afterwards again to recover effective data, and be order sequenced data by it from timing conversion by sequential road sequence modular converter, this packet contains the operating state data of seismic acquisition data and acquisition system.These data are sent to data stream separation control circuit and process, thus isolate three circuit-switched data of concurrent transmission, namely analyze data, record data and monitor data.Certainly, be alternatively three data stream, namely analyze data stream, record data stream and monitor data stream.Wherein, record data stream and Monitoring Data two Ethernet interfaces flowed through on cable data driver directly deliver to record node (record memory module) and monitoring node (system-monitoring module) is upper for process further; Analyze data stream to be then sent to a day monthly test data merging treatment module and to carry out merging convergence processing, for the use of system index analysis.On data downstream direction, cable data driver receives the control or configuration order data that send from system-monitoring module by gigabit ethernet interface, carry out protocol encapsulation by system protocol package module, and through system command transmission interface module carry out with universalization process like data upload channel types, the process of cable signal adaptation module after be sent in distributed front end sensors array.In addition, this cable data driver can also receive and detect and order generation module receives TB (time break) signal from triggering synchronous and data arbitration modules fan-out with the synchronous operation of control system from by disconnected.Wherein, the Ethernet interface of cable data driver can adopt modular mode, completes the process of network ICP/IP protocol stack with built-in Linux; Cable signal adaptation module also adopts modular design, to reach the object of adaptive different transmission technology.
The effect of record memory module is the seismic acquisition data sended over by gigabit Ethernet receiving cable data driver, and preserves in a particular format together with relevant header segment data.When geophysical prospecting equipment starts operation, the geological data collected almost is uploaded to cable data driver by every bar cable simultaneously, in order to realize the real time record of data, can have two kinds of modes: one is converged to by all cable data on a record memory node; To be cable data driver to be stored on a record memory node to realize walking abreast by network interface separately for another, distributed storage.Utilize the advantage of the network storage, can realize flexile storage mode by configuration store node simply, what both can retain data gathers memory module, also can eliminate and gathers and carry out separate, stored.Memory device can adopt network hard disc or disk array, also can utilize the tape unit that network node drives.The preferred structure schematic diagram of record memory module as shown in Figure 5, comprise the first network data reception module, network data format change-over circuit, data storage control circuit and the memory device that connect successively, also comprise the network data sending module be connected with network data format change-over circuit.Wherein, first network data reception module can arrange several, be respectively used to the record data stream of receiving cable data driver and the head segment data stream of focus control system, carry out format conversion by network data format change-over circuit according to record memory requirement, carry out data storage by the data after the conversion of data storage control circuit control format to memory device; Network data sending module is used for record data to be sent to a day monthly test data analysis module as analysis data stream by second network switch.Record memory module also can comprise synchronization monitoring configuration module, and this synchronization monitoring configuration module is by system-monitoring module control realization real-time Communication for Power and synchronous.
Record memory node (record memory device) is independent of standard cabinet, implementation then depends on the configuration mode of conventional data register system, namely both may operate on a workstation, even jointly can operate on a workstation with system-monitoring module and day monthly test data analysis module, also can be split into multiple workstation concurrent running, thus high data processing performance can be reached.The design of network full parellel program architecture, makes whole monitoring, analysis and record store formation isomeric form, thus does not have concrete requirement to software execution main frame, and the system of enormously simplify realizes difficulty and cost.By configuration, many cables carry out function from data record to a record memory device can be realized, also can often be stored into separately in a record memory device by platform cable data, dirigibility and reliability all greatly improve, to reach the equilibrium assignment of performance, load and cost.
The complete seismic acquisition data of single big gun that each cable data driver sends over is collected in the effect of day monthly test data merging treatment module, carries out the on-line analysis of index and delivers to system-monitoring module further and carry out Dan Bao road collection waveform display etc. after gathering through being delivered to day monthly test data analysis module by second network switch.Fig. 6 is the preferred structure schematic diagram of the day monthly test data merging treatment module in present system framework, comprise the 2nd FPGA circuit, 2nd FPGA circuit comprises the processing module of unstringing connected successively, data send routing module control and data transmission buffer, data transmission buffer connects the Ethernet interface (network transceiving module namely shown in figure) of day monthly test data merging treatment module, multiple processing module of unstringing can be set, receive the day monthly test data of each cable data driver output respectively and be sent to data transmission routing module control as complete single big gun seismic acquisition data merging after carrying out solution string manipulation respectively, the complete single big gun seismic acquisition data merged is orderly under data send the control of routing module control is sent to a day monthly test data analysis module by data transmission buffer and Ethernet interface successively.As shown in Figure 6, day monthly test data merging treatment module can receive the complete single big gun seismic acquisition data sended over from four cable data drivers, these data, under data send the control of routing module control, are delivered on a day monthly test analysis node (day monthly test data analysis module) by network sending module in an orderly manner.In order to adaptation network data send situation, before data deliver to network transceiving module, increase a data transmission buffer.In order to reduced data input interface, the data that cable data driver is brought are the bit stream after serialization process, and the technology such as LVDS, LVPECL can be utilized to realize.When system configuration number of cables is greater than four, a day data cascade function for monthly test data merging treatment module can also be utilized, thus expand data receiver and the processing power of this module.
The effect of day monthly test data analysis module comprises day analysis of monthly test indices and a report generation etc., the effect of system-monitoring module comprises system cloud gray model control, parameter configuration and status monitoring display etc., and system-monitoring module and day monthly test data analysis module are mainly used in manipulation and the apparatus quality control of operation.System-monitoring module and day monthly test data analysis module are equally independent of standard cabinet, on the operating terminal that two module whole run on workstation in conventional data register system framework (as shown in Figure 3), be connected by high-performance Ethernet net with standard cabinet system.Preferred structure as shown in Figure 7, day monthly test data analysis module comprises the second network data reception module, index analysis processing module and the index sending module that connect successively, receive the merging treatment result of day monthly test data merging treatment module and the cable data record event memory of record memory module by second network data reception module, carry out by index analysis processing module the display module that index comprehensive analyzing and processing is sent to system-monitoring module by index sending module again and carry out figure or numerical monitor analysis result; System-monitoring module comprises the 3rd network data receiver module, display module and the control terminal that connect successively, by the Monitoring Data of the 3rd network data receiver module receiving cable data driver, monitoring result is shown by display module, system-monitoring module and day monthly test data analysis module are provided with synchronization monitoring configuration module, and control terminal and each synchronization monitoring configuration module are connected thus realize county's real-time Communication for Power and synchronous.
Before conventional data register system of the present invention commencement of commercial operation, need by the control terminal (Man Machine Interface on system-monitoring module, generally graphical interfaces) complete the configuration of whole system, comprise the design parameters such as cable number, port number, sampling rate, sampling time.For land system, also comprise arrangement assistant.During system commencement of commercial operation, the monitor data that system-monitoring module receiving cable data driver sends realizes the Real-Time Monitoring of whole system running status, and completes corresponding combined operation.Day monthly test data analysis module carries out the Inspection and analysis, Data Format Transform, filtering process, noise editor, Coherent addition etc. of technical indicator, and net result is generated corresponding form.In order to the analytic function that hit the target, this module needs to receive complete single big gun image data.When needs carry out off-line analysis or display to record data, the data of playback can be read by second network data reception module from record memory device.In order to reach high-performance and highly reliable purpose of design, the entirety of two module generation is designed to complete parallelization and runs framework, and modules realizes with detached process, carries out communication with synchronous each other by network.Thus respective independence can be ensured, and can operate on different network nodes according to the difference of system architecture scale, namely both may operate on a workstation, also may operate in two even on multiple stage workstation, by module monitors and configuration process real-time Communication for Power and synchronous between each distributed process.Such as, when system scale increases, be guaranteed performance equilibrium assignment, system-monitoring module and day monthly test data analysis module can be set on different network nodes, be interconnected by self-defined network protocol therebetween.Operating personnel is then by being positioned at control terminal on system-monitoring module and whole equipment digital data recording system is carried out alternately, and this terminal is graphical interfaces mode.
The effect of triggering synchronous and data arbitration modules receives focus control system (generally, ocean is combination air gun, land is distant quick-fried system or vibroseis) startup that sends and time disconnected (TB, time break) signal, and synchronously fan out to each cable data driver, as the control signal of whole conventional data register system synchronous operation.The preferred structure schematic diagram of triggering synchronous and data arbitration modules as shown in Figure 8, mainly comprise the 3rd FPGA circuit, the 3rd FPGA circuit comprises time break generation module and sends moderator with the effective detection module of its signal be connected, time break fan-out modular and data simultaneously.The operation of triggering synchronous and data arbitration modules mainly comprises two aspects: is received by signal effective detection module on the one hand and detect startup (Start) that focus control system sends over and time to break (TB) signal, get effective time break (effective TB) through the process of time break generation module and through time break fan-out modular, detected effective TB carried out fan-out (supporting 16 road fan out capabilities altogether) to cable data driver again; Then send moderator by data on the other hand and receive the data record request signal sent from cable data driver, carry out data arbitration again and namely send data to record memory node according to which cable data driver of these signal deciding, thus ensure orderly transmission and the storage of all cable data.During specific works, the synchronized transmission under cable data drive data transmitted in parallel can being selected still to control in token ring mode according to configuration.
The invention still further relates to a kind of construction method of the conventional data register system framework for geophysical survey, it is the construction method realizing the above-mentioned conventional data register system framework for geophysical survey that the method also can be understood as, adopt several cable data drivers that two Ethernet interfaces and a HSSI High-Speed Serial Interface are set simultaneously, data stream up for cable is carried out separating treatment and is obtained monitor data stream by each cable data driver, record data stream and analysis data stream, by an Ethernet interface, monitor data stream is sent to system-monitoring module, by another Ethernet interface, record data stream is sent to record memory module, data flow Summer Solstice or the Winter Solstice monthly test data processing module will be analyzed by HSSI High-Speed Serial Interface, day monthly test data processing module carries out merging treatment to the day monthly test data that each cable data driver exports and the cable data record event memory of this merging treatment result comprehensive and record memory module carries out a day monthly test data analysis.Wherein, the preferred structure of cable data driver that adopts of this construction method as shown in Figure 4.
Preferably, can be connected with system-monitoring module through first network switch with reference to monitor data being flowed through an Ethernet interface shown in figure 2, record data stream is connected with record memory module through second network switch by another Ethernet interface of self, and record memory module also receives the head segment data of focus control system by second network switch; Analyze data stream and first by day monthly test data merging treatment module, merging treatment is carried out to the day monthly test data that each cable data driver exports, Ethernet interface again by day monthly test data merging treatment module is arranged exports merging treatment result to a day monthly test data analysis module through second network switch, carry out a day monthly test data analysis by the merging treatment result of day monthly test data analysis module comprehensive day monthly test data merging treatment module and the cable data record event memory of record memory module, and analysis result is delivered to system-monitoring module display.Wherein, the preferred structure of the record memory module that adopts of this construction method and system-monitoring module as shown in figure 5 and figure 7.
Employing triggering synchronous and data arbitration modules receive and detect startup and the time break of focus control system transmission, and time break input interface and data record request interface are set on each cable data driver, referring to figs. 2 and 3 shown, each cable data driver to be connected with triggering synchronous and data arbitration modules by time break input interface thus to receive the time break from triggering synchronous and data arbitration modules fan-out, each cable data driver to be connected with triggering synchronous and data arbitration modules by data record request interface thus to carry out data by triggering synchronous and data arbitration modules and arbitrates the cable data realizing cable data driver and send in order to recording memory module and record storage.Wherein, the preferred structure of the triggering synchronous that adopts of this construction method and data arbitration modules as shown in Figure 8.
The day monthly test data merging treatment module that this construction method adopts and the preferred structure of day monthly test data analysis module are as shown in Figure 6 and Figure 7.Analyze data stream and first carry out process of unstringing in day monthly test data merging treatment module, the day monthly test data that multiple cable data driver exports are carried out solutions string manipulation respectively and data are sent in an orderly manner a day monthly test data analysis module by data transmission route test after merging as complete single big gun seismic acquisition data, the laggard row index comprehensive analysis processing of cable data record event memory of merging treatment result and record memory module that day monthly test data analysis module receives day monthly test data merging treatment module is sent to the display module display analysis result of system-monitoring module again, system-monitoring module shows monitoring result by display module after receiving monitor data stream, and display module also shows the index comprehensive analysis processing result of day monthly test data analysis module, by module monitors and configuration process real-time Communication for Power and synchronous between system-monitoring module and day monthly test data analysis module, and carry out man-machine interaction by arranging control terminal at system-monitoring module.
It should be pointed out that the above embodiment can make the invention of those skilled in the art's comprehend, but do not limit the present invention in any way creation.Therefore; although this instructions has been described in detail the invention with reference to drawings and Examples; but; those skilled in the art are to be understood that; still can modify to the invention or equivalent replacement; in a word, all do not depart from technical scheme and the improvement thereof of the spirit and scope of the invention, and it all should be encompassed in the middle of the protection domain of the invention patent.
Claims (13)
1. the conventional data register system framework for geophysical survey, it is characterized in that, comprise several cable data drivers, also comprise system-monitoring module, record memory module and day monthly test data processing module, described cable data driver is provided with two Ethernet interfaces and a HSSI High-Speed Serial Interface, described each cable data driver is all connected to system-monitoring module respectively by two Ethernet interfaces and record memory module stores with the monitoring and record that realize cable data respectively; Each cable data driver connects day monthly test data processing module by HSSI High-Speed Serial Interface, described system-monitoring module is connected with day monthly test data processing module respectively with record memory module, and described day monthly test data processing module carries out merging treatment to the day monthly test data that each cable data driver exports and the cable data record event memory of this merging treatment result comprehensive and record memory module carries out a day monthly test data analysis.
2. the conventional data register system framework for geophysical survey according to claim 1, it is characterized in that, described day monthly test data processing module comprises interconnective day monthly test data merging treatment module and day monthly test data analysis module, described each cable data driver connects day monthly test data merging treatment module by HSSI High-Speed Serial Interface thus the day monthly test data that each cable data driver exports is carried out to merging treatment and exported merging treatment result to a day monthly test data analysis module by the Ethernet interface that day monthly test data merging treatment module is arranged, described system-monitoring module is connected with day monthly test data analysis module respectively with record memory module, the merging treatment result of described day monthly test data analysis module comprehensive day monthly test data merging treatment module and the cable data record event memory of record memory module carry out a day monthly test data analysis, and analysis result is delivered to system-monitoring module display.
3. the conventional data register system framework for geophysical survey according to claim 2, it is characterized in that, described each cable data driver is connected with system-monitoring module through first network switch by the Ethernet interface of self, each cable data driver is connected with record memory module through second network switch by another Ethernet interface of self, described day monthly test data merging treatment module is connected with day monthly test data analysis module through second network switch by the Ethernet interface of self, described record memory module also receives the head segment data of focus control system by second network switch.
4. according to the conventional data register system framework for geophysical survey one of claims 1 to 3 Suo Shu, it is characterized in that, also comprise for receiving and detecting the startup and the triggering synchronous of time break and data arbitration modules that focus control system sends, described each cable data driver is provided with time break input interface and data record request interface, each cable data driver to be connected with triggering synchronous and data arbitration modules by time break input interface thus to receive the time break from triggering synchronous and data arbitration modules fan-out, each cable data driver to be connected with triggering synchronous and data arbitration modules by data record request interface thus to carry out data by triggering synchronous and data arbitration modules and arbitrates the cable data realizing cable data driver and send in order to recording memory module and record storage.
5. the conventional data register system framework for geophysical survey according to claim 4, it is characterized in that, described cable data driver comprises a FPGA circuit, a described FPGA circuit comprises interconnective data stream separation control circuit and serial processing module, the data separating process of cable data driver is obtained monitor data stream by described data stream separation control circuit, record data stream and analysis data stream, described data stream separation control circuit connects two Ethernet interfaces thus respectively monitor data stream and record data stream is transported to system monitoring module and record memory module, the Ethernet interface be connected with record memory module is gigabit ethernet interface, analyze data stream transmitting to serial processing module and carry out a day acquisition process for monthly test data, the day monthly test data of acquisition process export a day monthly test data merging treatment module to by HSSI High-Speed Serial Interface, disconnected detection and order generation module when described FPGA circuit also comprises, time described, disconnected detection and order generation module are connected with time break input interface.
6. the conventional data register system framework for geophysical survey according to claim 3, it is characterized in that, described record memory module comprises the first network data reception module connected successively, network data format change-over circuit, data storage control circuit and memory device, the described record data of first network data reception module receiving cable data driver and the head segment data of focus control system, format conversion is carried out according to record memory requirement by network data format change-over circuit, data storage is carried out to memory device by the data after the conversion of data storage control circuit control format, described record memory module also comprises network data sending module, and described network data sending module is connected with network data format change-over circuit for record data are sent to a day monthly test data analysis module by second network switch.
7. the conventional data register system framework for geophysical survey according to Claims 2 or 3, it is characterized in that, described day monthly test data merging treatment module comprises the 2nd FPGA circuit, described 2nd FPGA circuit comprises the processing module of unstringing connected successively, data send routing module control and data transmission buffer, described data transmission buffer connects the Ethernet interface of day monthly test data merging treatment module, the day monthly test data that described processing module of unstringing receives the output of multiple cable data driver carry out solution string manipulation and merge as complete single big gun seismic acquisition data being sent to data transmission routing module control respectively, described complete single big gun seismic acquisition data is orderly under data send the control of routing module control is sent to a day monthly test data analysis module by data transmission buffer and Ethernet interface successively.
8. the conventional data register system framework for geophysical survey according to claim 4, it is characterized in that, described triggering synchronous and data arbitration modules comprise the 3rd FPGA circuit, described 3rd FPGA circuit comprise time break generation module and with the effective detection module of its signal be simultaneously connected, time break fan-out modular and data send moderator, received by the effective detection module of signal and detect focus control system send startup and time break, get effective time break through the process of time break generation module and export cable data driver to through time break fan-out modular again, send moderator by data to receive the data record request signal that sends from cable data driver and carry out cable data that data arbitration realizes cable data driver and send in order and record and be stored to record memory module simultaneously.
9. the conventional data register system framework for geophysical survey according to claim 7, it is characterized in that, described day monthly test data analysis module comprises the second network data reception module, index analysis processing module and the index sending module that connect successively, receive the merging treatment result of day monthly test data merging treatment module and the cable data record event memory of record memory module by second network data reception module, carry out index comprehensive analyzing and processing by index analysis processing module and be sent to system-monitoring module by index sending module again;
Described system-monitoring module comprises the 3rd network data receiver module, display module and the control terminal that connect successively, by the Monitoring Data of the 3rd network data receiver module receiving cable data driver, monitoring result is shown by display module, index sending module is connected with display module and then is also shown by display module by analysis result, described system-monitoring module and day monthly test data analysis module are provided with synchronization monitoring configuration module, and described control terminal is connected with each synchronization monitoring configuration module.
10. the construction method for the conventional data register system framework of geophysical survey, adopt several that cable data driver of two Ethernet interfaces and a HSSI High-Speed Serial Interface is set simultaneously, data stream up for cable is carried out separating treatment and is obtained monitor data stream by each cable data driver, record data stream and analysis data stream, by an Ethernet interface, monitor data stream is sent to system-monitoring module, by another Ethernet interface, record data stream is sent to record memory module, data flow Summer Solstice or the Winter Solstice monthly test data processing module will be analyzed by HSSI High-Speed Serial Interface, day monthly test data processing module carries out merging treatment to the day monthly test data that each cable data driver exports and the cable data record event memory of this merging treatment result comprehensive and record memory module carries out a day monthly test data analysis.
The construction method of the 11. conventional data register system frameworks for geophysical survey according to claim 10, it is characterized in that, monitor data flows through an Ethernet interface and is connected with system-monitoring module through first network switch, record data stream is connected with record memory module through second network switch by another Ethernet interface of self, and record memory module also receives the head segment data of focus control system by second network switch; Described analysis data stream first carries out merging treatment by day monthly test data merging treatment module to the day monthly test data that each cable data driver exports, Ethernet interface again by day monthly test data merging treatment module is arranged exports merging treatment result to a day monthly test data analysis module through second network switch, carry out a day monthly test data analysis by the merging treatment result of day monthly test data analysis module comprehensive day monthly test data merging treatment module and the cable data record event memory of record memory module, and analysis result is delivered to system-monitoring module display.
The construction method of the 12. conventional data register system frameworks for geophysical survey according to claim 10, it is characterized in that, employing triggering synchronous and data arbitration modules receive and detect startup and the time break of focus control system transmission, and time break input interface and data record request interface are set on each cable data driver, each cable data driver to be connected with triggering synchronous and data arbitration modules by time break input interface thus to receive the time break from triggering synchronous and data arbitration modules fan-out, each cable data driver to be connected with triggering synchronous and data arbitration modules by data record request interface thus to carry out data by triggering synchronous and data arbitration modules and arbitrates the cable data realizing cable data driver and send in order to recording memory module and record storage.
The construction method of the 13. conventional data register system frameworks for geophysical survey according to claim 11, it is characterized in that, analyze data stream and first carry out process of unstringing in day monthly test data merging treatment module, the day monthly test data that multiple cable data driver exports are carried out solutions string manipulation respectively and data are sent in an orderly manner a day monthly test data analysis module by data transmission route test after merging as complete single big gun seismic acquisition data, the laggard row index comprehensive analysis processing of cable data record event memory of merging treatment result and record memory module that day monthly test data analysis module receives day monthly test data merging treatment module is sent to system-monitoring module again, system-monitoring module shows monitoring result by display module after receiving monitor data stream, and display module also shows the index comprehensive analysis processing result of day monthly test data analysis module, by module monitors and configuration process real-time Communication for Power and synchronous between system-monitoring module and day monthly test data analysis module, and carry out man-machine interaction by arranging control terminal at system-monitoring module.
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