CN201166711Y

CN201166711Y - System for monitoring field unattended seismographic station circumstance

Info

Publication number: CN201166711Y
Application number: CNU2008200892757U
Authority: CN
Inventors: 王晓峰; 李鹏
Original assignee: Heilongjiang Wonder Network Technology Co Ltd; HEILONGJIANG EARTHQUAKE ADMINISTRATION
Current assignee: Heilongjiang Wonder Network Technology Co Ltd; HEILONGJIANG EARTHQUAKE ADMINISTRATION
Priority date: 2008-02-15
Filing date: 2008-02-15
Publication date: 2008-12-17
Anticipated expiration: 2018-02-15

Abstract

A field unmanned seismostation environmental monitoring system is a device for acquiring, monitoring and controlling the real-time data of an unmanned station of the earthquake administration, and solving the problems in the prior art on the absent device for acquiring, monitoring and controlling the real-time data of an unmanned station of the earthquake administration. An analog signal acquisition module and a digital signal acquisition module respectively transmit the acquired environment data signals to a microcontroller which transmits the environment data signals from the analog signal acquisition module to a mainframe and analyzes the digital signals of the environmental data from the digital signal acquisition module. If the analyzed result is beyond the normal range, the acquired video signals are transmitted to the main frame according the control command from a monitoring center. A video acquisition module acquires the video data in the seismostation and transmits the data to the microcontroller. The main frame transmits the environmental data signals and the video signals to the monitoring center and transmits the command from the monitoring center to the microcontroller.

Description

Open-air unmanned seismographic station environmental monitoring system

Technical field

The utility model relates to a kind of device that the real time data of seismological bureau's unmanned station is gathered, monitored and controls.

Background technology

Broadband seismometer is highly sensitive with it, observation scope has covered the characteristics such as broad frequency band from the high-frequency seism ripple to solid tide, has obtained widespread use in the seismic monitoring field.But broadband seismometer is relatively more responsive to external conditions such as temperature, humidity, air pressure, air-flows, enter machine room and can destroy original stable observing environment (for example: temperature, humidity, air pressure or the like) again, and the frequency band of seismometer is wide more is subjected to the influence of external environment big more.Along with the continuous development of China's seismic monitoring cause, the earthquake monitoring system number of stations is increasing, owing to mostly be distributed in different geographic regions, realizes that the remote monitoring of station environment and image just becomes inevitable.Also there is not at present a kind of transmission that neither influences broadband seismometer, can in long-range each station, realize real-time monitoring of environmental data again, and by network the machine room monitoring information is sent to Surveillance center and realizes reporting to the police automatically, capture the equipment of photo site simultaneously automatically.

Summary of the invention

The utility model provides a kind of open-air unmanned seismographic station environmental monitoring system for solving the problem that does not have the device that can gather, monitor and control real time data in the existing seismological bureau unmanned station.The utility model is by forming with lower unit:

Collection of simulant signal module 1 is sampled to the environmental data of the temperature in the station, humidity, internal system electric current, system works voltage, and becomes digital signal to send to microcontroller 3 analog signal conversion of sampling;

Digital signal acquiring module 2 is sampled to the environmental data that in the station whether water logging takes place, whether has external personnel to enter, and the digital signal of environmental data of sampling is sent to microcontroller 3;

Microcontroller 3, the environmental data signal of self simulation signal acquisition module 1 sends to main frame 5 in the future, digital signal from the environmental data of digital signal acquiring module 2 is analyzed, then call the video data of gathering in 4 pairs of stations of video acquisition module if analysis result exceeds normal range, and the video data of gathering is sent to main frame 5 according to the control command of Surveillance center 6;

Video acquisition module 4, the control signal of reception microcontroller 3 is gathered the video data in the station, and video data is sent to microcontroller 3;

Main frame 5 will send to Surveillance center 6 by network from the environmental data signal and the vision signal of microcontroller 3, and will send to microcontroller 3 from the control command of Surveillance center 6.

Beneficial effect: the utility model is under the prerequisite that does not influence the broadband seismometer transmission, in long-range each unmanned station, environmental data is monitored in real time, and the environmental information in the station is sent to Surveillance center by network, automatically capture photo site simultaneously, make the operator on duty of Surveillance center just can monitor the temperature of the station at the remote monitoring center, humidity, voltage, whether factors such as electric current change has taken place, whether exceed allowed band and whether have unauthorized person to enter the station, except can easily understanding station observing environment and equipment operation situation, can also control signal be sent to equipment in the station by network, also can make simultaneously and just can understand situation in the station in Surveillance center the interested visitor in earthquake unmanned station station.

Description of drawings

Fig. 1 is an one-piece construction synoptic diagram of the present utility model.

Embodiment

Embodiment one: referring to Fig. 1, present embodiment is by forming with lower unit:

Collection of simulant signal module 1 is sampled to environmental datas such as the temperature in the station, humidity, system works electric current, system works voltages, and becomes digital signal to send to microcontroller 3 analog signal conversion of sampling;

Digital signal acquiring module 2 to whether water logging taking place in the station, whether have external personnel environmental data such as to enter to sample, and sends to microcontroller 3 with the digital signal of the environmental data of sampling;

Embodiment two: referring to Fig. 1, the difference of present embodiment and embodiment one is that described collection of simulant signal module 1 is by forming with lower unit:

Humidity temperature pickup 1-1 gathers the temperature and humidity data in the station, and the simulating signal of image data is sent to A/D converter 1-3;

Electrical quantity sensor 1-2 gathers system works electric current and system works voltage data in the station, and the simulating signal of image data is sent to A/D converter 1-3;

A/D converter 1-3 will become digital signal from the analog-signal transitions of humidity temperature pickup 1-1 and electrical quantity sensor 1-2, and this signal will be sent to microcontroller 3.

Humidity temperature pickup 1-1 collects simulating signal and passes to circuit board through the analog input interface, and 8 tunnel simulating signals are passed to A/D through emitter follower, and wherein emitter follower can adopt the OPA2344 amplifier chip, reaches pressure stabilization function; A/D converter 1-3 can adopt the TLC2543C device, have 12 conversion accuracies, the switching time of 12us under working temperature, 3 Built-In Self-Test patterns, inherent sampling and maintenance effect, the SOC (system on a chip) clock is arranged, most significant digit or lowest order are able to programme, have 3 controlled ports to be connected with main frame and reach matching feature, and its reference voltage can be provided by ADM660 and AD586 chip, ADM660 is converting supply voltage to the AD586 reference voltage, and AD586 provides A/D reference voltage more accurately; The IO/CLK of A/D converter 1-3 is provided by single-chip microcomputer, and wherein data inputs is by the P1.1 control of microcontroller 3, when CS when low, A/D starts conversion and the P1.0 mouth of DADATOUTPUT oral instructions to microcontroller W78E58B processor.

Embodiment three: referring to Fig. 1, the difference of present embodiment and embodiment one is that described digital signal acquiring module 2 is by forming with lower unit:

Infrared sensor 2-1 gathers the infrared data in the station, and the digital signal of image data is sent to photoisolator 2-3;

Water sensor 2-2 detects carrying out water logging in the station, and the digital signal that will detect data sends to photoisolator 2-3;

Photoisolator 2-3 will send to microcontroller 3 after the interfere information filtering from infrared sensor 2-1 and water sensor 2-2.

Infrared sensor 2-1 and water sensor 2-2 collect digital signal and pass to circuit board through digital input interface, and 8 way word signals are given photoelectric isolating device through diode, disturb to reduce, and diode makes circuit that a stable pressure drop be arranged; Photoisolator 2-3 spare adopts the PC817 device, and signal is passed to buffering driver again, and it adopts the LS244 chip, and its Enable Pin is by the A8 control of microcontroller W78E58B.LS244 improves ternary memory address and sends performance and the density of accepting, and high fan-out is arranged.Signal is passed to memory device AKM62256 again, and its address wire A0A14 links to each other with the A0A14 of microcontroller, and A15 links to each other with its Enable Pin CS, and the OE Enable Pin connects with the Enable Pin RD that reads of microcontroller W78E58B, and WE links to each other with the WE of the W78E58B of microcontroller.AKM62256 is a highspeed static memory, and be 100ns its storage time, low-power.Work as CS, during the OE low level, number is passed to the P1 mouth of W78E58B controller and handled.

Embodiment four: referring to Fig. 1, the difference of present embodiment and embodiment one is that described microcontroller 3 can adopt 8 8-digit microcontrollers of W78E58B chip, has RAM, 48 duplexing I/O mouth, 3 16 bit timing device sum counters and ports connected in series on the sheet of the main ROM of FALSH in the curable sheet, 32K byte, auxiliary 4K byte ROM, 512K.It has two kinds of power saving operation patterns: idle pulley and battery saving mode.It has 4 multipurpose programmable ports, code protection and two interruptions.The clock of microcontroller is provided by passive crystal oscillator.Because though microcontroller has only a spot of storer, thus must outer extension memory, i.e. stored programme and the EPROM of initialization data and the RAM of fast reading and writing.Native system adopts the X5045PI chip, and it is 4K SPIEEPROM, and WatchDog Timer is arranged, Power Supply Monitoring, serial ports protection stored programme.Its clock frequency is 3.3MHZ.Native system adopts SPIEEPROM serial ports guidance mode.Native system is the system of a multitask, when carrying out data acquisition, also to carry out the storage and the forwarding task of data, this just need will have enough storage spaces to carry out buffer memory when anxious processing that the data that collect are not also come, to exchange the task handling time for.Therefore adopt RAM to extend out, adopt the AKM62256 chip.

Embodiment five: referring to Fig. 1, the difference of present embodiment and embodiment one is that described video acquisition module 4 is by forming with lower unit:

Camera 4-1 gathers the video data in the station, and the video data of gathering is sent to video collector 4-2;

Video collector 4-2 will convert digital video signal to from the video data that camera 4-1 takes and send to signal processor 4-3;

Signal processor 4-3 will compress storage from the video data of video collector 4-2, and call video data stored by microcontroller 3.

When the scene had personnel to enter, microcontroller 3 was differentiated by the data volume that digital signal acquisition module 2 is gathered, and video information is sent to main frame 5.Signal processor 4-3 can adopt the ADSP digital signal processor, and it is the two-path video analog circuitry processes, comprises the signal source selection, ADC and original mixed repeatedly filtering, and automatic gain control and CGC, numerical coding can meet a plurality of standards; Video acquisition module 4 comprises two tunnel vision signals to collection in worksite, send to video capture processor, video collector 4-2 model can adopt SAA731H, it is to adopt 9 digital video input processors, 8 outputs after the encoding process, adopt passive crystal oscillator that clock is provided, by ADSP its Enable Pin is controlled simultaneously, make it carry out video acquisition.

Claims

1, open-air unmanned seismographic station environmental monitoring system is characterized in that it is by forming with lower unit:

Collection of simulant signal module (1) is sampled to the environmental data of the temperature in the station, humidity, internal system electric current, system works voltage, and becomes digital signal to send to microcontroller (3) analog signal conversion of sampling;

Digital signal acquiring module (2) is sampled to the environmental data that in the station whether water logging takes place, whether has external personnel to enter, and the digital signal of environmental data of sampling is sent to microcontroller (3);

Microcontroller (3), the environmental data signal of self simulation signal acquisition module (1) sends to main frame (5) in the future, digital signal from the environmental data of digital signal acquiring module (2) is analyzed, exceed normal range as if analysis result and then call the video data of video acquisition module (4), and the video data of gathering is sent to main frame (5) according to the control command of Surveillance center (6) to gathering in the station;

Video acquisition module (4), the control signal of reception microcontroller (3) is gathered the video data in the station, and video data is sent to microcontroller (3);

Main frame (5) will send to Surveillance center (6) by network from the environmental data signal and the vision signal of microcontroller (3), and will send to microcontroller (3) from the control command of Surveillance center (6).

2, open-air unmanned according to claim 1 seismographic station environmental monitoring system is characterized in that described collection of simulant signal module (1) is by forming with lower unit:

Humidity temperature pickup (1-1) is gathered the temperature and humidity data in the station, and the simulating signal of image data is sent to A/D converter (1-3);

Electrical quantity sensor (1-2) is gathered system works electric current and system works voltage data in the station, and the simulating signal of image data is sent to A/D converter (1-3);

A/D converter (1-3) will become digital signal from the analog-signal transitions of humidity temperature pickup (1-1) and electrical quantity sensor (1-2), and this signal will be sent to microcontroller (3).

3, open-air unmanned according to claim 1 seismographic station environmental monitoring system is characterized in that described digital signal acquiring module (2) is by forming with lower unit:

Infrared sensor (2-1) is gathered the infrared data in the station, and the digital signal of image data is sent to photoisolator (2-3);

Water sensor (2-2) detects carrying out water logging in the station, and the digital signal that will detect data sends to photoisolator (2-3);

Photoisolator (2-3) will send to microcontroller (3) after the interfere information filtering from infrared sensor (2-1) and water sensor (2-2).

4, open-air unmanned according to claim 1 seismographic station environmental monitoring system is characterized in that described video acquisition module (4) is by forming with lower unit:

Camera (4-1) is gathered the video data in the station, and the video data of gathering is sent to video collector (4-2);

Video collector (4-2) will convert digital video signal to from the video data that camera (4-1) is taken and send to signal processor (4-3);

Signal processor (4-3) will compress storage from the video data of video collector (4-2), and call video data stored by microcontroller (3).