CN104022487A - Earthquake monitoring base station lightning protection system based on nanometer electromechanical sensor - Google Patents
Earthquake monitoring base station lightning protection system based on nanometer electromechanical sensor Download PDFInfo
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- CN104022487A CN104022487A CN201410284095.4A CN201410284095A CN104022487A CN 104022487 A CN104022487 A CN 104022487A CN 201410284095 A CN201410284095 A CN 201410284095A CN 104022487 A CN104022487 A CN 104022487A
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Abstract
The invention provides an earthquake monitoring base station lightning protection system based on a nanometer electromechanical sensor, aiming at solving the problems that an earthquake system with an avoidance lightning protection method is only limited to power supply lightning protection and data signal lightning protection in non-live transmission and needs a relay to control isolation, the gap is small, the lightening protection effect is limited, and the system has power failure and is isolated in a non-working period. The earthquake monitoring base station lightning protection system is technically characterized in that the conduction of control contacts in a single chip and a stepping motor system is achieved, and the disconnected stepping motor is connected; the single chip is connected with a lightning probe of a lightning monitoring system and is further connected with a GPRS (general packet radio service) module, a memory and a WIFI module of a wireless transmission module. The earthquake monitoring base station lightning protection system provided by the invention has the positive effects that the aim of controlling the monitoring system to be completely physically isolated to prevent lightning according to demands can be achieved. The earthquake monitoring base station lightning protection system further has the features of being simple in structure, convenient to operate and the like.
Description
Technical field
The present invention relates to seismic monitoring base station lightning protection technical field, particularly a kind of physical isolation that uses prevents the seismic monitoring base station lightning protection system based on nano-electromechanical transducer that thunder and lightning damages.
Background technology
Lightning Disaster is one of major casualty of traditional seismograph station, due to the harm damage monitoring system of thunder and lightning, causes work interruption, monitoring materials damaged.China's annual Thunderstorm Day 25 days, high reaches more than 100 day, and most of earthquake station is disturbed by thunder and lightning all, and serious accounts for 1/3 to 1/4 with more serious.Carry out Thunder Protection, guarantee monitoring system is normally moved, continuous, stable, the reliable data of output, and it is significant reducing the loss.
Existing shocking preventing technology be mainly divided into outside lightning protection and internal lighting protection.Outside lightning protection mainly refers to the lightning protection of building, and it is the important component part of shocking preventing technology, and its technical measures can be divided arrester metallic receptor such as () lightning rod, lighting proof strip, lightning conductions, downlead and earth electrode.Internal lighting protection system is mainly the equipment destroying being subject to overvoltage in building, as: the electronic equipments such as computer install over-pressure safety device additional, are subject to overvoltage when invasion and attack at equipment, the protective device energy quick acting energy of releasing, thus protection equipment is avoided damaging.Internal lighting protection can be divided into again power lightning protection and signal lighting protection.Power arrester is installed in power line porch and signal lightning arrester is installed on holding wire.Most lightning protection methods that adopt are also all confined to this.
In the evolution of shocking preventing technology, also have the most effective lightening arresting method of one, hide method, this is most economical effective method in lightning protection measures.Seismograph station just had for a long time before thunderstorm arrives and closes door and window, shutdown, power-off, pulled out the first-class way of signal cable, and this simple lightning protection means are effective at any time.As in the seismograph station precursor observation system thunder defending integrated approach of Guangdong again power supply with having quoted this method: while running into thunderstorm weather, should disconnect in time transmission cable.At present, the data-signal that seismic system is also tightly confined to power source lightning protection and non real-time transmission for the use of hiding lightning-arrest method is lightning-arrest, but it exists Control external series gap too small, the problem of lightning protection effect finite sum inoperative period power-off isolation.
Summary of the invention
The object of this invention is to provide a kind of physical isolation that uses and prevent the seismic monitoring base station lightning protection system based on nano-electromechanical transducer that thunder and lightning damages.
Technical scheme of the present invention is: single-chip microcomputer is connected with the control contact admittance in stepping motor system, the stepping motor of disconnection; Single-chip microcomputer is connected with the thunder and lightning probe of lightning monitoring system; Single-chip microcomputer is also connected with the WIFI module of GPRS module, holder and wireless transport module; Described thunder and lightning probe is nano-electromechanical system sensor, and described nano-electromechanical transducer is to be that finger-like Pt electrode, the intermediate layer that 50nm is thick is that aluminium nitride, the upper strata that 250nm is thick is 10 layers of magnetoelectricity heterostructure layer that 250nm is thick by orlop.
The alundum (Al2O3) that the FeGaB that magnetoelectricity heterostructure layer is 20nm by thickness and thickness are 5nm forms.
Single-chip microcomputer is Strong MCU.
GPRS module is industrial GPRS module.
Stepping motor is the stepping motor of controlling two storage batterys exchange chargings, electric discharge, and with the distance of electric main for being greater than 10 centimetres.
Described WIFI module connects and comprises WLAN, infrared transmission or Bluetooth transmission.
Advantage of the present invention is that power unit is designed to the two storage batterys exchange of step motor control charging, electric discharge, ensure that this equipment and electric main isolate completely, and spacing is greater than 10cm to reach effective lightning protection effect; Signal hop is designed to the WLAN (wireless local area network) by WLAN(), survey shake signal is transferred to gateway by the mode such as infrared or bluetooth, then carries out transfer of data by wired or wireless network again.The benefit of this design is to make us survey shake nucleus equipment and civil power and the complete physical isolation of outside line to reach best lightning protection effect.Adopt advanced nano-electromechanical technical research to make the variation of nano-sensor for detection of external electromagnetic field simultaneously, judge according to the variation of electromagnetic field and respective algorithms whether locality thunder and lightning occurs, control section is sent to Surveillance center by lightning information by GPRS wireless module, and center personnel judge information and remote equipment is carried out to corresponding manipulation; This mode is physics disconnect mode protection equipment; there is the incomparable lightning protection effect of alternate manner, intend adopting stepping motor to control to overcome too small the caused air breakdown problem in gap that Control brings in power supply input and signal output control terminal.The features such as that the present invention also has is easy and simple to handle, good stability, fail safe height.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the thunder and lightning sonde configuration schematic diagram of Fig. 1.
The present invention is described in further detail by example below in conjunction with accompanying drawing, but following example is only the present invention's example wherein, do not represent the rights protection scope that the present invention limits, the scope of the present invention is as the criterion with claim.
Embodiment
Referring to Fig. 1 ~ 2, single-chip microcomputer 1 is connected with the control contact admittance in stepping motor system, the stepping motor 2 of disconnection, between single-chip microcomputer and stepping motor, is provided with stepping motor control circuit; Single-chip microcomputer is connected with the thunder and lightning probe 3 of lightning monitoring system, between single-chip microcomputer and thunder and lightning probe, is provided with thunder and lightning testing circuit; Single-chip microcomputer is also connected with the WIFI module of GPRS module 4, holder 5 and wireless transport module 6; Described thunder and lightning probe is nano-electromechanical system sensor, and described nano-electromechanical transducer is to be the finger-like Pt electrode that has n embedding that 50nm is thick by transducer orlop, and its length is L, and overall width is W, and finger electrode width is W0; , intermediate layer is that aluminium nitride, the upper strata that 250nm is thick is 10 layers of magnetoelectricity heterostructure layer that 250nm is thick, is provided with silico briquette 10 in its one end, is attached with gold plaque layer 11 on silico briquette.
The alundum (Al2O3) that the FeGaB that magnetoelectricity heterostructure layer is 20nm by thickness and thickness are 5nm forms.
Single-chip microcomputer is Strong MCU.
The resonance frequency of magnetoelectricity nano-electromechanical system sensor can be expressed as:
W0 is the width that forms the finger electrode of finger-like transducer, and Eeq is the Young's modulus of transducer equivalence, is the equivalent density of transducer, and this transducer is in the environment that there is no magnetic field as calculated.The broadband that changes finger electrode can change the resonance frequency of transducer.In design, in the application of electric field detecting sensor, can be equivalent to LC oscillating circuit, its advantage is that volume is little, stable performance.Change in D.C. magnetic field environment, can change the Young dimension in FeGaB layer in transducer, causes the change of transducer equivalence Young dimension, reaches the object that changes detection electric field frequency with magnetic field.
GPRS module is industrial GPRS module.
Stepping motor is the stepping motor of controlling two storage batterys exchange chargings, electric discharge, and with the distance of electric main for being greater than 10 centimetres.
The end of nano-electromechanical transducer is connected by silico briquette, and silico briquette top is provided with copper sheet.
Described WIFI module connects and comprises WLAN, infrared transmission or Bluetooth transmission.
Claims (6)
1. the seismic monitoring base station lightning protection system based on nano-electromechanical transducer, it comprises: single-chip microcomputer, stepping motor system, lightning monitoring system, GPRS module, holder and wireless transport module, is characterized in that: single-chip microcomputer is connected with the control contact admittance in stepping motor system, the stepping motor of disconnection; Single-chip microcomputer is connected with the thunder and lightning probe of lightning monitoring system; Single-chip microcomputer is also connected with the WIFI module of GPRS module, holder and wireless transport module; Described thunder and lightning probe is nano-electromechanical system sensor, and described nano-electromechanical transducer is to be that finger-like Pt electrode, the intermediate layer that 50nm is thick is that aluminium nitride, the upper strata that 250nm is thick is 10 layers of magnetoelectricity heterostructure layer that 250nm is thick by orlop.
2. a kind of seismic monitoring base station lightning protection system based on nano-electromechanical transducer according to claim 1, is characterized in that: the alundum (Al2O3) that the FeGaB that described magnetoelectricity heterostructure layer is 20nm by thickness and thickness are 5nm forms.
3. a kind of seismic monitoring base station lightning protection system based on nano-electromechanical transducer according to claim 1, is characterized in that: described single-chip microcomputer is Strong MCU.
4. a kind of seismic monitoring base station lightning protection system based on nano-electromechanical transducer according to claim 1, is characterized in that: described GPRS module is industrial GPRS module.
5. a kind of seismic monitoring base station lightning protection system based on nano-electromechanical transducer according to claim 1, is characterized in that: described stepping motor is the stepping motor of controlling two storage batterys exchange chargings, electric discharge, and with the distance of electric main for being greater than 10 centimetres.
6. a kind of seismic monitoring base station lightning protection system based on nano-electromechanical transducer according to claim 1, is characterized in that: described WIFI module connects and comprises WLAN, infrared transmission or Bluetooth transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410284095.4A CN104022487A (en) | 2014-06-24 | 2014-06-24 | Earthquake monitoring base station lightning protection system based on nanometer electromechanical sensor |
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| CN201410284095.4A CN104022487A (en) | 2014-06-24 | 2014-06-24 | Earthquake monitoring base station lightning protection system based on nanometer electromechanical sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269700A (en) * | 2014-10-31 | 2015-01-07 | 庄镇江 | Lightning-protection socket |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104269700A (en) * | 2014-10-31 | 2015-01-07 | 庄镇江 | Lightning-protection socket |
| CN104269700B (en) * | 2014-10-31 | 2016-04-20 | 庄镇江 | A kind of Anti-lightning socket |
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