CN104166155A - Monitoring network construction system and method for rapidly obtaining seismic parameter distribution - Google Patents
Monitoring network construction system and method for rapidly obtaining seismic parameter distribution Download PDFInfo
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- CN104166155A CN104166155A CN201410361043.2A CN201410361043A CN104166155A CN 104166155 A CN104166155 A CN 104166155A CN 201410361043 A CN201410361043 A CN 201410361043A CN 104166155 A CN104166155 A CN 104166155A
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Abstract
The invention relates to a monitoring network construction system and method for rapidly obtaining seismic parameter distribution. The system comprises a seismic parameter sensing network system, a data transmission network and a monitoring center. The seismic parameter sensing network system is densely provided with a plurality of seismic parameter monitors, and the seismic parameter monitors are respectively used for acquiring and calculating seismic parameters in respective monitoring areas and transmitting obtained seismic parameter data to the monitoring center through the data transmission network. The monitoring center is used for receiving and processing the data transmitted by the seismic parameter monitors and remotely monitoring the seismic parameter sensing network system through the data transmission network. According to the invention, a seismic parameter monitoring network is established through the large number of densely arranged seismic parameter monitors, and the seismic parameters are calculated in a distribution mode by each seismic parameter monitor, such that the operation load of the monitoring center is mitigated, and a high-resolution fine shock graph can be output rapidly.
Description
Technical field
The present invention relates to earthquake monitoring stations and networks construction field, particularly relate to monitoring network constructing system and method that a kind of quick obtaining ground motion parameter distributes.
Background technology
After the earthquake of region, in order to launch rapidly effective emergency management and rescue action, need to promptly and accurately understand INTENSITY DISTRIBUTION.The acquisition of seismogram at present has several modes such as the rear manual research of shake, focal shock parameter calculating, earthquake monitoring stations and networks, seismic intensity speed report platform net, wherein the most effectively in important mornitoring district, sets up earthquake intensity speed report platform net.But the pattern of earthquake monitoring stations and networks is often continued to use in the construction of earthquake intensity speed report platform net, and construction cost is high, station density is limited, real-time Data Transmission amount is large.And for the emergency rescue system that can bring the violent earthquake of larger casualty loss, the seismic signal amplitude of observing is larger, less demanding to sensor resolution, but to meet that cost is low, volume is little as far as possible, low in energy consumption, simple installation, the requirement such as response fast, be convenient to set up the high-precision disaster speed of high density and report network system.
Therefore, the present invention proposes a kind of monitoring network constructing system and the method that quick obtaining ground motion parameter distributes.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of monitoring network constructing system and the method that quick obtaining ground motion parameter distributes, for solving the problems such as the fast construction cost seismogram high, output of reporting platform net system to exist of current earthquake disaster is meticulous not, automatization level is low.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: the monitoring network constructing system that a kind of quick obtaining ground motion parameter distributes, comprises ground motion parameter sensing network system, data transmission network and Surveillance center;
Described ground motion parameter sensing network system, it is intensive is laid with some ground motion parameter monitors, each earthquake motion parameter monitor is respectively used to gather and calculate the ground motion parameter in monitored area separately, and the ground motion parameter data of obtaining are transferred to Surveillance center by data transmission network;
Described Surveillance center, for receiving and process the data of each earthquake motion parameter monitor transmission, and by data transmission network remote monitoring ground motion parameter sensing network system.
On the basis of technique scheme, the present invention can also do following improvement.
Further, each earthquake motion parameter monitor is by wired mode or gsm wireless short message mode access data transmission network.
Further, the ground motion parameter that described each earthquake motion parameter monitor is respectively used to gather and calculate in monitored area separately specifically comprises: the earth shock in each monitored area of Real-time Collection, carry out seismic events anticipation, if seismic events, according to the real-time Processing Algorithm of embedded earthquake information, carry out ground motion parameter calculating, and to Surveillance center, send ground motion parameter by data transmission network.
Here, ground motion parameter obtains by monitoring the ground motion parameter monitor Distributed Calculation of sensing network, monitor is to the just very little ground motion parameter of data volume of Surveillance center's transmission, rather than the real-time monitored data of big data quantity, improved transfer efficiency, alleviated the data processing load of Surveillance center, thereby system reliability is improved, and can realizes quick response.
Further, the data that described Surveillance center processes the transmission of each earthquake motion parameter monitor comprise: carry out seismic events differentiation and give the alarm, and producing high resolving power seismogram.
Further, described ground motion parameter monitor comprises earthquake sensing unit, ARM controller, memory module, mixed-media network modules mixed-media, gsm wireless module and Power Management Unit, and memory module, mixed-media network modules mixed-media, gsm wireless module and Power Management Unit are all connected with described ARM controller;
Described earthquake sensing unit, it connects described ARM controller, for gathering ground vibration information, and gives described ARM controller by the earth shock communication gathering;
Described ARM controller, it connects described earthquake sensing unit and described memory module, for receiving earth shock information, and earth shock information real-time Transmission to described memory module is stored; Also for calculating ground motion parameter according to the earth shock information of Real-time Collection, and the ground motion parameter of acquisition is stored to described memory module;
Described memory module, it connects described ARM controller, for storing earth shock information;
Described mixed-media network modules mixed-media, it connects described ARM controller, for wire transmission ground motion parameter and real-time monitored data, and remote download storing data files;
Described gsm wireless module, it connects described ARM controller, for wireless transmission ground motion parameter;
Described Power Management Unit, it connects described ARM controller, for 12V direct supply being converted to 3.3V operating voltage and 1.8V operating voltage.
Further, described earthquake sensing unit adopts 3 axis MEMS accelerometer.
Technical scheme of the present invention also comprises the monitoring network construction method that a kind of quick obtaining ground motion parameter distributes, and comprises the following steps:
Step 1, build ground motion parameter sensing network, intensively in this network be laid with some ground motion parameter monitors, each earthquake motion parameter monitor is respectively used to gather and calculate the ground motion parameter in monitored area separately, and the ground motion parameter data of obtaining are transferred to Surveillance center by data transmission network;
Step 2, Surveillance center receives and processes the data of each earthquake motion parameter monitor transmission, and by data transmission network remote monitoring ground motion parameter sensing network system.
Further, each earthquake motion parameter monitor is by wired mode or gsm wireless short message mode access data transmission network.
Further, the ground motion parameter that in step 1, each earthquake motion parameter monitor is respectively used to gather and calculate in monitored area separately specifically comprises: the earth shock in each monitored area of Real-time Collection, carry out seismic events anticipation, if seismic events, according to the real-time Processing Algorithm of embedded earthquake information, carry out ground motion parameter calculating, and to Surveillance center, send ground motion parameter by data transmission network.
Further, the data that in step 2, Surveillance center processes the transmission of each earthquake motion parameter monitor comprise: carry out seismic events differentiation and give the alarm, and producing high resolving power seismogram.
The invention has the beneficial effects as follows: it is seismological sensor and ARM+Linux embedded computer technology that the ground motion parameter monitor the present invention relates to has adopted mems accelerometer, have that volume is little, cost is low, low in energy consumption, integrated, intelligent, fast response time, feature that reliability is high, its hardware capability has been equivalent to a seismic intensity speed report station integrated, simple installation.The ground motion parameter monitoring network that the present invention is set up by a large amount of intensive laying ground motion parameter monitors, its ground motion parameter is calculated by each earthquake motion parameter monitor " distributed ", alleviated the computational load of Surveillance center, Surveillance center directly receives ground motion parameter, therefore needn't carry out again the mass data processing of the real-time waveform of each station, can draw fast and improve operational efficiency by seismogram, reduce the requirement of Liao Dui Surveillance center hardware facility, be conducive to save equipment investment.This have that volume of transmitted data is little, the monitoring network of Distributed Calculation, and reliability is high, and the high-resolution meticulous seismogram of output can be obtained very great society benefit, and save social resources in application fast.
Accompanying drawing explanation
Fig. 1 is the structural representation of the monitoring network constructing system of quick obtaining ground motion parameter distribution of the present invention;
Fig. 2 is the structural representation of ground motion parameter monitor described in the embodiment of the present invention;
Fig. 3 is the storing process signal of memory module described in the embodiment of the present invention;
Fig. 4 is the structural representation of Power Management Unit described in the embodiment of the present invention;
Fig. 5 is the data acquisition of ground motion parameter monitor and the schematic diagram for the treatment of scheme in the embodiment of the present invention;
Fig. 6 is the data transfer mode schematic diagram of ground motion parameter monitor in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, the present embodiment has provided the monitoring network constructing system that a kind of quick obtaining ground motion parameter distributes, comprise ground motion parameter sensing network system, data transmission network and Surveillance center, and each earthquake motion parameter monitor is by wired mode or gsm wireless short message mode access data transmission network.
Described ground motion parameter sensing network system, it is intensive is laid with some ground motion parameter monitors, each earthquake motion parameter monitor is respectively used to gather and calculate the ground motion parameter in monitored area separately, and the ground motion parameter data of obtaining are transferred to Surveillance center by data transmission network.Here, the ground motion parameter that each earthquake motion parameter monitor is respectively used to gather and calculate in monitored area separately specifically comprises: the earth shock in each monitored area of Real-time Collection, carry out seismic events anticipation, if seismic events, according to the real-time Processing Algorithm of embedded earthquake information, carry out ground motion parameter calculating, and to Surveillance center, send ground motion parameter by data transmission network.
Described Surveillance center, for receiving and process the data of each earthquake motion parameter monitor transmission, and by data transmission network remote monitoring ground motion parameter sensing network system.Here, the data that Surveillance center processes the transmission of each earthquake motion parameter monitor comprise: carry out seismic events differentiation and give the alarm, and producing high resolving power seismogram.
Accordingly, the step that builds this monitoring network is:
Step 1, build ground motion parameter sensing network, intensively in this network be laid with some ground motion parameter monitors, each earthquake motion parameter monitor is respectively used to gather and calculate the ground motion parameter in monitored area separately, and the ground motion parameter data of obtaining are transferred to Surveillance center by data transmission network;
Step 2, Surveillance center receives and processes the data of each earthquake motion parameter monitor transmission, and by data transmission network remote monitoring ground motion parameter sensing network system.
Much more no longer monitoring network constructing system above-mentioned in the specific implementation process that this step that builds this monitoring network relates to is identical, to state here.
As shown in Figure 2, the ground motion parameter monitor that the present embodiment adopts comprises earthquake sensing unit, ARM controller, memory module, mixed-media network modules mixed-media, gsm wireless module, Power Management Unit and serial port module, and memory module, mixed-media network modules mixed-media, gsm wireless module and Power Management Unit are all connected with described ARM controller.
Described earthquake sensing unit, it connects described ARM controller, for gathering ground vibration information, and gives described ARM controller by the earth shock communication gathering;
Described ARM controller, it connects described earthquake sensing unit and described memory module, for receiving earth shock information, and earth shock information real-time Transmission to described memory module is stored; Also for calculating ground motion parameter according to the earth shock information of Real-time Collection, and the ground motion parameter of acquisition is stored to described memory module;
Described memory module, it connects described ARM controller, for storing earth shock information;
Described mixed-media network modules mixed-media, it connects described ARM controller, for wire transmission ground motion parameter and real-time monitored data, and remote download storing data files;
Described gsm wireless module, it connects described ARM controller, for wireless transmission ground motion parameter;
Described Power Management Unit, it connects described ARM controller, for 12V direct supply being converted to 3.3V operating voltage and 1.8V operating voltage;
Described serial port module, it connects described ARM controller, as system debug and program download port.
In order to realize the multitasking such as database storage administration of the data transmission such as the data processings such as data acquisition, seismic events differentiation and ground motion parameter calculating, the real-time monitoring of response to network remote multi-subscriber and the download of FTP data file and instrument this locality, the (SuSE) Linux OS of the system operation of the present embodiment through cutting out is as software platform, and the multi-task parallel that adopts multithreading to realize each functional module is processed.
In the present embodiment, the small-sized triaxial mems accelerometer that the model of take is MMA8451Q is earthquake sensing unit, is responsible for Real-time Collection earth shock information, and image data is read in and processed by controller by data-interface.It is control processor that ARM controller adopts 32 ARM embedded type CPUs of high-performance low-power-consumption, is in charge of the instrumental function modules such as data acquisition, data processing, data storage and data transmission.
In addition, as shown in Figure 3, described memory module comprises three class storeies, and wherein 64MB SDRAM storer provides the running space of software systems, 256MB Flash storer is the program's memory space of operating system and application software, and image data is stored on the SD card of 32GB.
As shown in Figure 4, described Power Management Unit is comprised of charged lithium cells, charge-discharge protection circuit, charge management circuit, change-over switch and power conversion and the several parts of mu balanced circuit.Built-in charged lithium cells externally can be to instrument emergency service during power cut-off, and flying power is greater than 24 hours.Charge-discharge protection circuit adopts the charge-discharge protection circuit that model is S8232, has the battery protection functions such as the overcharging of charge and discharge process, overdischarge and excess current, and protection lithium battery is under normal duty.Charge management circuit adopts the charge management circuit of ASC8512; charge and discharge process to lithium battery manages; the duty of pilot cell; and there is the defencive functions such as temperature protection, maximum charge time restriction, output short-circuit; in the situation that there is no external power source input or external power source input power-off or brownout, the combined internal battery that automatically switches to by same change-over switch is to system power supply.The 3.3V burning voltage that power conversion and mu balanced circuit are appliance requires voltage transitions and 1.8V operating voltage.
The data acquisition of ground motion parameter monitor and treatment scheme are as shown in Figure 5, the earth shock of sensor Real-time Collection, real-time data collection deposits under " real time data waveform " catalogue of memory module by a file size per hour, controls ARM controller simultaneously and image data is carried out to amplitude differentiation whether has shock event.If shock event further from amplitude of vibration and while holding etc. the processing anticipation of aspect whether be seismic events, as meet to trigger threshold values monitor confirm as seismic events, and seismic waveform data is deposited under " event waveform " catalogue of memory module, calculate ground motion parameter simultaneously.Ground motion parameter data also deposit under memory module " parameter " catalogue, and are transferred to Surveillance center by data transmission network.
The data transmission network of the present embodiment is for the data transmission of ground motion parameter monitor and Surveillance center, comprises that long-range real-time waveform monitoring, FTP data file are downloaded, ground motion parameter transmission, instrument state is monitored and the acquisition parameter of instrument is configured etc.As shown in Figure 6, ground motion parameter monitor adopts wired and wireless two kinds of transmission modes, access in radio Internet link is stable, has reliable data transfer bandwidth, can be used for the large links of volume of transmitted data such as long-range real-time waveform monitoring, the download of FTP teledata file; Wireless transmission can realize the remote monitoring of instrument and ground motion parameter are transmitted in the situation that can not accessing Internet by cable network, particularly at special violent earthquake, come interim, buildings in general may collapse, folk power supply circuit also may interrupt, wired/WIFI network line is just difficult to assurance work, but as long as the unlikely damage in GSM base station just still can be passed through wireless transmission ground motion parameter, for post-earthquake emergency response rescue provides observation data.
The ground motion parameter that Surveillance center sends while seismic events being detected for the work by data transmission network remote monitoring and administration ground motion parameter sensing network system, the Monitoring Data of downloading ground motion parameter sensing network system, reception ground motion parameter sensing network system, and further carry out seismic events differentiation and give the alarm, produce high resolving power seismogram.
In order to test the practical application effect of the monitoring network of the present embodiment design, take and in inhabitants of Yuxi City in Yunnan Province, set up ground motion parameter monitoring network as example, by 23 tableland vibrations parameter monitors, formed, these ground motion parameter monitors are erected at community service station, government bodies, the staircase of the units such as school, hovel, the idle room such as garage or the less corner of human activity, by short message mode, send data to Surveillance center, send data content by recording the triggered time, the instrument stand longitude and latitude while setting up (longitude and latitude data be measure and deposit in instrument configuration file by handhold GPS) of setting up an office, the several parts of ground motion parameter form.Ground motion parameter is that trigger conditions is set to vibrations and reaches certain amplitude and continuous action reaches regular hour length to the judgement of event, to filter the short-time pulse type interference noise being in the great majority in practice, simultaneously Surveillance center further judges whether it is seismic events according to factors such as the quantity of warning instrument in section sometime and space distributions thereof again.By Experimental Network more than a year, monitor and show, the monitoring network of the present embodiment is set up conveniently, need not lay dedicated communication line, during observation, need hardly manual maintenance, cost of observation cheap (only needing short message communication expense seldom), electric consumption is also less, and experimental session instrument working stability is reliable, easy to utilize.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the monitoring network constructing system that quick obtaining ground motion parameter distributes, is characterized in that, comprises ground motion parameter sensing network system, data transmission network and Surveillance center;
Described ground motion parameter sensing network system, it is intensive is laid with some ground motion parameter monitors, each earthquake motion parameter monitor is respectively used to gather and calculate the ground motion parameter in monitored area separately, and the ground motion parameter data of obtaining are transferred to Surveillance center by data transmission network;
Described Surveillance center, for receiving and process the data of each earthquake motion parameter monitor transmission, and by data transmission network remote monitoring ground motion parameter sensing network system.
2. monitoring network constructing system according to claim 1, is characterized in that, each earthquake motion parameter monitor is by wired mode or gsm wireless short message mode access data transmission network.
3. monitoring network constructing system according to claim 1, it is characterized in that, the ground motion parameter that described each earthquake motion parameter monitor is respectively used to gather and calculate in monitored area separately specifically comprises: the earth shock in each monitored area of Real-time Collection, carry out seismic events anticipation, if seismic events,, according to the real-time Processing Algorithm of embedded earthquake information, carry out ground motion parameter calculating, and to Surveillance center, send ground motion parameter by data transmission network.
4. monitoring network constructing system according to claim 1, is characterized in that, the data that described Surveillance center processes each earthquake motion parameter monitor transmission comprise: carry out seismic events differentiation and give the alarm, and producing high resolving power seismogram.
5. monitoring network constructing system according to claim 1, it is characterized in that, described ground motion parameter monitor comprises earthquake sensing unit, ARM controller, memory module, mixed-media network modules mixed-media, gsm wireless module and Power Management Unit, and memory module, mixed-media network modules mixed-media, gsm wireless module and Power Management Unit are all connected with described ARM controller;
Described earthquake sensing unit, it connects described ARM controller, for gathering ground vibration information, and gives described ARM controller by the earth shock communication gathering;
Described ARM controller, it connects described earthquake sensing unit and described memory module, for receiving earth shock information, and earth shock information real-time Transmission to described memory module is stored; Also for calculating ground motion parameter according to the earth shock information of Real-time Collection, and the ground motion parameter of acquisition is stored to described memory module;
Described memory module, it connects described ARM controller, for storing earth shock information;
Described mixed-media network modules mixed-media, it connects described ARM controller, for wire transmission ground motion parameter and real-time monitored data, and remote download storing data files;
Described gsm wireless module, it connects described ARM controller, for wireless transmission ground motion parameter;
Described Power Management Unit, it connects described ARM controller, for 12V direct supply being converted to 3.3V operating voltage and 1.8V operating voltage.
6. monitoring network constructing system according to claim 5, is characterized in that, described earthquake sensing unit adopts 3 axis MEMS accelerometer.
7. the monitoring network construction method that quick obtaining ground motion parameter distributes, is characterized in that, comprises the following steps:
Step 1, build ground motion parameter sensing network, intensively in this network be laid with some ground motion parameter monitors, each earthquake motion parameter monitor is respectively used to gather and calculate the ground motion parameter in monitored area separately, and the ground motion parameter data of obtaining are transferred to Surveillance center by data transmission network;
Step 2, Surveillance center receives and processes the data of each earthquake motion parameter monitor transmission, and by data transmission network remote monitoring ground motion parameter sensing network system.
8. monitoring network construction method according to claim 8, is characterized in that, each earthquake motion parameter monitor is by wired mode or gsm wireless short message mode access data transmission network.
9. monitoring network construction method according to claim 8, it is characterized in that, the ground motion parameter that in step 1, each earthquake motion parameter monitor is respectively used to gather and calculate in monitored area separately specifically comprises: the earth shock in each monitored area of Real-time Collection, carry out seismic events anticipation, if seismic events,, according to the real-time Processing Algorithm of embedded earthquake information, carry out ground motion parameter calculating, and to Surveillance center, send ground motion parameter by data transmission network.
10. monitoring network construction method according to claim 8, is characterized in that, the data that in step 2, Surveillance center processes the transmission of each earthquake motion parameter monitor comprise: carry out seismic events differentiation and give the alarm, and producing high resolving power seismogram.
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| CN112925742A (en) * | 2020-11-03 | 2021-06-08 | 深圳防灾减灾技术研究院 | Method for storing, archiving and managing seismic waveform data |
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Application publication date: 20141126 |