CN101995583B - Wired network-based earthquake real-time monitoring method - Google Patents
Wired network-based earthquake real-time monitoring method Download PDFInfo
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- CN101995583B CN101995583B CN 201010270310 CN201010270310A CN101995583B CN 101995583 B CN101995583 B CN 101995583B CN 201010270310 CN201010270310 CN 201010270310 CN 201010270310 A CN201010270310 A CN 201010270310A CN 101995583 B CN101995583 B CN 101995583B
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Abstract
The invention discloses a wired network-based earthquake real-time monitoring method, and belongs to the field of earthquake monitoring. The method comprises the following steps of: 1, dividing an area which needs to be monitored into a plurality of small squares and installing displacement sensing subsystems and monitoring centers to which power is supplied by solar power supply equipment at four corners of each small square; 2, positioning and providing synchronous clock signals for the displacement sensing subsystems and the monitoring centers by using global positioning system (GPS) positioning and a time service system and sending signals to start the operation of each monitoring center by a control center when monitoring; and 3, transmitting acquired data to the control center through an Internet network system by the displacement sensing subsystems. The method can accurately and rapidly monitor a large area in real time when earthquake occurs.
Description
Technical field
The present invention relates to a kind of earthquake method of real-time, especially a kind of earthquake method of real-time based on wireless network.
Background technology
Wenchuan County in Sichuan earthquake on May 12 in 2008 and on April 14th, 2010 Yushu earthquake caused massive losses to the disaster area people's life and property.Precipitate macroseism destroyed existing basic communications facility on a large scale, interrupted disaster area and extraneous liaison, seriously hindered earthquake relief work work in time, carry out comprehensively; On-the-spot in earthquake relief work, commander and rescue personnel urgently look forward to the image at scene, voice and relevant significant data information etc. are reached command centre in real time, make the commanding and decision-making personnel improve accuracy and the promptness of decision-making, to strengthen the quick-reaction capability (QRC) to earthquake relief work.
At present, the seismic monitoring equipment that China uses is by external import, and expensive, transmission mode is limited, can't realize monitoring for the inaccessiable place of electrical network.In addition, China's area is vast, and existing monitoring equipment can't carry out unified monitoring to all zones, and resource can not realize sharing.Therefore, eager hope can provide a kind of monitoring method to solve the problems referred to above.
Summary of the invention
The purpose of this invention is to provide a kind of seismic monitoring method, when earthquake occurs, large area region is carried out accurate Real Time Monitoring.
The technical solution used in the present invention is as follows: the earthquake method of real-time based on cable network comprises following steps:
The zone that (1) will need to monitor is divided into a plurality of little square area, in four monitoring points of each square area displacement sensing subsystem and the monitoring center that is connected with the displacement sensing subsystem are installed respectively, and with solar power supply unit displacement sensing subsystem and monitoring center are powered;
(2) when needs are monitored, control center accurately locates monitoring center and control center with GPS location and GPS time dissemination system, and synchronizing clock signals is provided, and sends signal by wired network system simultaneously so that each monitoring center begins monitoring;
(3) the displacement sensing subsystem comprises three displacement transducer horizontal X axial translation sensors, horizontal Y-axis displacement transducer and vertical Z axial translation sensor, and low-pass filter, amplifier and wave filter, and monitoring center comprises the ARM plate, LED, hummer and data processing equipment, described three displacement transducers pass through low-pass filter with the signal that collects respectively when earthquake, amplifier and wave filter convert simulating signal to, convert digital signal to by the ARM plate again, by data processing equipment digital signal is processed at last, and LED and hummer are reported to the police when the digital signal abnormal;
(4) treated digital signal transfers to control center by cable network, is used for a plurality of monitoring points of Real Time Monitoring, and control center also is provided with net control device simultaneously, is used for the whole network operation conditions is monitored; In addition, wired network system comprises switch, fire wall, router and Internet network, monitoring center and control center all are connected to the Internet network by switch, fire wall, router successively, thereby realize communicating by letter between monitoring center and the control center.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
1. the zone that will need to monitor is divided into a plurality of little squares, at each foursquare four jiaos the displacement situation that the displacement sensing subsystem is monitored respectively X-axis, Y-axis and Z axis is set, thereby this method can be monitored to larger zone when earthquake occurs;
2. adopt the solar power supply unit to each displacement sensing subsystem power supply, solved the Real Time Monitoring in the place that electrical network can not arrive;
3. adopt GPS positioning system and GPS time dissemination system, the accurate location of having guaranteed monitoring point and monitoring center, and for its etc. synchronizing clock signals is provided;
4. adopt the cable network such as the Internet internet to be connected, guaranteed to have enough bandwidth to carry out rapidly data transmission, thereby realize the high-speed traffic between control center and the monitoring center.
Description of drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is based on the schematic diagram of the earthquake method of real-time of cable network;
Fig. 2 is the schematic diagram of displacement sensing subsystem;
Fig. 3 is according to one embodiment of present invention, and monitoring center is based on the synoptic diagram of Internet network connection to control center;
Fig. 4 is the schematic diagram of solar power supply unit.
Embodiment
Disclosed all features in this instructions, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this instructions (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
China's area is vast, in order to realize when the coming earthquake All Ranges is carried out unified monitoring, and we are divided into several little square area with national domain according to certain distance.The buildings number of the shorter test of above-mentioned little foursquare distance is more, and precision is just higher, and four points of each little square area (namely monitoring point) are equipped with a displacement sensing subsystem.This displacement sensing subsystem comprises horizontal X axial translation sensor, horizontal Y-axis displacement transducer and vertical Z axial translation sensor, is respectively applied to the displacement situation of level monitoring direction and vertical direction.
The device that relates among the present invention has: displacement sensing subsystem, GPS location and time dissemination system, wired network system, solar power supply unit, monitoring center and control center.
The design of each device is as follows among the present invention:
1, displacement sensing subsystem
Three sensors are adopted in each monitoring point, are installed in horizontal direction and the vertical direction of monitoring point, and horizontal direction is divided into X-axis and Y-axis both direction, and vertical direction is Z axis, obtains respectively the signal of horizontal vibrating and vertical vibration.Its schematic diagram as shown in Figure 2, when having displacement to occur, the signal of sensor collection arrival horizontal X axle, horizontal Y-axis and vertical direction Z axis, sensor is with the signal of the output low-pass filter by 1KHz, the high frequency interference in signal is mixed in filtering; Then send filtered signal to amplifier, amplifier is amplified to 1V with the signal of input
Pp,Delivering to the ARM plate changes, because the signal that collects is simulating signal, at this moment, AD translation function on the ARM, analog signal conversion is become digital signal, and send data processing centre (DPC) to, simultaneously, the LED light alarming device and the hummer sound warning device that are installed on the ARM plate are worked simultaneously, produce warning function.
2, GPS location and time dissemination system
In order to make ground control centre and monitoring point for displacement can accurately locate and have together the frequently synchronizing clock signals of homophase, adopt GPS location and time dissemination system among the present invention.This system is a high precision, low cost, round-the-clock and global radio navigation, location and multifunction system regularly.That the GPS technology has developed into is multi-field, the international new high-tech industry of multi-mode, multi-usage, multi-model.
Utilize the GPS time dissemination system of gps system manufacturing, take gps satellite as time source, made up the present computer technology and gps satellite is accepted technology, can realize precision time service, thereby realize the precise synchronization of remote equipment.
The GPS time dissemination system frequency that apparatus of the present invention adopt can be 20MHz, 40MHz, 60MHz, 80MHz, and employed frequency is higher, and then precision is higher.
3, wired network system
According to one embodiment of present invention, this method adopts the Internet network, and the formal translated name of its Chinese is the Internet, is called again Internet.It is the global network that is formed by connecting by those computing machines that use common statement to communicate by letter mutually.The native system design is that each control center and monitoring center are connected in the Internet network simultaneously, allows it have communication function, can interconnect with outer net, can provide telephone communication, the business such as fax transmitting-receiving, data transmission and image transmitting for the user.
Control center usually links together with computing machine, and the network interface card RJ45 interface that computing machine carries by itself is connected to fire wall, and fire wall is connected to router, the service connection Internet network that router is provided by ISP service provider.
The displacement sensing subsystem of each monitoring point is connected with data processing centre (DPC), data processing centre (DPC) is by switch and fire wall, couple in router, avoided like this network to be attacked or the invasion of other garbages, the service that router is provided by ISP service provider connects the Internet network and is connected with control center.
For the whole network is monitored, manages, is controlled and safeguards, be provided with a network control software in control center, the whole network operation conditions is monitored and managed, such as real-time monitoring, diagnose the working condition of each monitoring point and control center itself, the test network link-quality, be responsible for information distribution, statistics etc.The operator can use keyboard to operate at control desk, by screen display and printout result, as shown in Figure 3.
4, solar power supply unit
Solar power supply unit is comprised of three parts such as solar panel, controller for solar, accumulators.Solar panel is the core in the solar power system, and its effect is that the radianting capacity with the sun is converted to electric energy, or is sent in the accumulator and stores, or directly promotes loaded work piece.The effect of controller for solar is the duty of control whole system, and accumulator is played the effect of additives for overcharge protection, over.In the larger place of the temperature difference, controller also possesses the function of temperature compensation.Accumulator is lead-acid battery, has solved the electric energy storage problem: the unnecessary electric energy that system sent when accumulator was sufficient with sunshine, be retained in night or calm overcast and rainy use, and solved the problem of generating and electricity consumption Time Inconsistency.
This equipment principle of work is; when by day being arranged sunshine, solar panel is responsible for receiving sunshine, and transform light energy is become electric energy; through sending into the DC-DC conversion chip to the seismic monitoring power devices behind the battery charging and discharging protection chip, give the accumulator electric power storage exhaustless electric energy simultaneously.When do not have sunshine or sunshine seldom night or overcast and rainy etc., accumulator was sent into the DC-DC conversion chip to the electric energy of storage to the seismic monitoring power devices by battery protection chip.Schematic diagram such as Fig. 4.
Battery protection chip is responsible for the operating voltage of Real Time Monitoring solar panel and accumulator in the circuit; monitor simultaneously load current; (overcharge, overdischarge and load short circuits) appearring when unusual; cut off the path between solar panel, accumulator and the load; protect each circuit block safety; when treating that abnormal occurrence disappears, the connection between recovering again.
When earthquake occured, accurately method of real-time comprised following steps:
The first step, the zone of needs monitoring is divided into a plurality of little square area, displacement sensing subsystem and the monitoring center that is connected with described displacement sensing subsystem are installed respectively in four monitoring points of each square area, and with solar power supply unit described displacement sensing subsystem and monitoring center are powered;
Second step, when needs were monitored, control center accurately located described monitoring center and control center with GPS location and GPS time dissemination system, and synchronizing clock signals is provided, and sent signal by wired network system simultaneously so that each monitoring center begins monitoring;
The 3rd step, described displacement sensing subsystem comprises three displacement transducer horizontal X axial translation sensors, horizontal Y-axis displacement transducer and vertical Z axial translation sensor, and low-pass filter, amplifier and wave filter, and described monitoring center comprises the ARM plate, LED, hummer and data processing equipment, described three displacement transducers pass through described low-pass filter with the signal that collects respectively when earthquake, amplifier and wave filter convert simulating signal to, convert digital signal to by described ARM plate again, by described data processing equipment described digital signal is processed at last, and described LED and hummer are reported to the police when described digital signal abnormal;
In the 4th step, treated digital signal transfers to control center by cable network, is used for a plurality of monitoring points of Real Time Monitoring, and described control center also is provided with net control device simultaneously, is used for the whole network operation conditions is monitored and managed.
As shown in Figure 1, according to one embodiment of present invention, this wired network system is the Internet network system, data processing equipment in the monitoring center and control center are connected to the Internet network by switch, fire wall, router successively such as computing machine, thereby realize communicating by letter between monitoring center and the control center.
According to another embodiment of the present invention, all be provided with the phone call/facsimile machine in monitoring center and control center, its grade converts the IP data to by voice gateways, by router access Internet network, thus the transmission of phone call/facsimile business between realization control center and the monitoring center.
According to still another embodiment of the invention, all be provided with video collector in monitoring center and control center.Audio-video signal is selected through audiovideo switcher, the incoming image codec, by image codec to the video/audio signal that accesses quantize, the processing such as compression, coding, send into service transmission channels and be sent to the cable network terminal, realize the transmission of graphic service between control center and the monitoring point for displacement, can observe on-the-spot what happens, for control center provides effective commander's foundation.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (2)
1. earthquake method of real-time based on cable network comprises following steps:
The zone that (1) will need to monitor is divided into a plurality of little square area, displacement sensing subsystem and the monitoring center that is connected with described displacement sensing subsystem are installed respectively in four monitoring points of each square area, and with solar power supply unit described displacement sensing subsystem and described monitoring center are powered;
(2) when needs are monitored, control center accurately locates described monitoring center and control center with GPS location and GPS time dissemination system, and synchronizing clock signals is provided, and sends signal by wired network system simultaneously so that each monitoring center begins monitoring;
All be provided with video collector in monitoring center and control center, audio-video signal is selected through audiovideo switcher, the incoming image codec, the video/audio signal that accesses is quantized, compresses and the processing of encoding by image codec, send into service transmission channels and be sent to the cable network terminal, realize the transmission of graphic service between control center and the monitoring point, can observe on-the-spot what happens, for control center provides effective commander's foundation;
(3) described displacement sensing subsystem comprises three displacement transducer horizontal X axial translation sensors, horizontal Y-axis displacement transducer and vertical Z axial translation sensor, and low-pass filter, amplifier and wave filter, and described monitoring center comprises the ARM plate, LED, hummer and data processing equipment, described three displacement transducers pass through described low-pass filter with the signal that collects respectively when earthquake, amplifier and wave filter convert simulating signal to, convert digital signal to by described ARM plate again, by described data processing equipment described digital signal is processed at last, and described LED and hummer are reported to the police when described digital signal abnormal;
(4) treated digital signal transfers to control center by cable network, is used for a plurality of monitoring points of Real Time Monitoring, and described control center also is provided with net control device simultaneously, is used for the whole network operation conditions is monitored.
2. the earthquake method of real-time based on cable network as claimed in claim 1, it is characterized in that, wired network system comprises switch, fire wall, router and Internet network described in the described step (4), described monitoring center and described control center all are connected to described Internet network by described switch, described fire wall, described router successively, thereby realize communicating by letter between described monitoring center and the described control center.
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| CN108645374A (en) * | 2018-05-18 | 2018-10-12 | 惠安县金建达电子科技有限公司 | A kind of underground longitude and latitude measurement method and device |
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