CN105844860A - Earthquake alarm method using laser and multi-channel super-long optical fiber - Google Patents
Earthquake alarm method using laser and multi-channel super-long optical fiber Download PDFInfo
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- CN105844860A CN105844860A CN201610382333.4A CN201610382333A CN105844860A CN 105844860 A CN105844860 A CN 105844860A CN 201610382333 A CN201610382333 A CN 201610382333A CN 105844860 A CN105844860 A CN 105844860A
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- optical fiber
- laser
- seismic wave
- earthquake
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses an earthquake alarm method using laser and a multi-channel super-long optical fiber. According to the alarm method, an earthquake alarm body is adopted. The earthquake alarm body comprises a laser, the optical fiber, a seismic wave shattering device, a signal receiver and an intelligent alarm system; the laser, the seismic wave shattering device, the signal receiver and the intelligent alarm system are connected with one another sequentially through the optical fiber; the length of the optical fiber is larger than 5 kilometers; the optical fiber is mounted in a stainless steel pipeline; and the seismic wave shattering device comprises a fragile light guide plate, a tip or a hammer and a seismic wave amplifier, wherein the seismic wave amplifier is connected with the fragile light guide plate through the tip or hammer. The earthquake alarm method using the laser and the multi-channel super-long optical fiber of the invention has the advantages of simplicity, practical use, high sensitivity, and can send out an alarm for an earthquake in advance.
Description
Technical field
The present invention relates to earthquake alarm technical field, particularly relate to a kind of seism warning method using laser.
Background technology
Earthquake is the destructive natural calamity that a kind of impersonal force can be resisted, and earthquake can cause huge in moment
Destructive power, earthquake happens occasionally from ancient times, and owing to manpower can not resist, can do is exactly to find in advance, gives warning in advance, removes in time
From, so earthquake prewarning device causes the great attention of the mankind, have ancient times seismograph can predict the generation of earthquake, earthquake it
Before also have many peculiar geographical phenomenons can the effectively Novel presentation of foreseeing earthquake, such as animal and the exception table of weather
Existing, but due to the development of industrialization and urbanization, this natural prediction method is the most inapplicable, nowadays all sets in many places
It is equipped with earthquake prewarning device, is the crystallization of modern science and technology, but effect is not very well, is not the most well positioned to meet people's
Demand.In China's natural calamity causes personnel death's ratio, earthquake disaster proportion is up to 54%, is that China causes personnel
Dead most natural calamity.Earthquake disaster not only damages national economy, and directly contributes the huge damage of people's life, property
Lose, in seismic wave devastatingly not yet arrives front several seconds or tens of second, earthquake information is announced the external world, personnel can be substantially reduced
Injures and deaths.Theoretical research shows, if pre-warning time is 3 seconds, casualties can be made than minimizing 14%；If 10 seconds, people
Member's injures and deaths are than minimizing 39%.Therefore, the side that timely, accurate and effective earthquake warning system always people work hard is set up
To.
At present, seismic survey and the many seismic survey centers in country's specialty of warning device or scientific research institution use, due to
These machines are accurate, huge, expensive, and the sensor of these seismic survey devices to be placed into specific region and specific
The degree of depth, it is impossible to universal use in resident's daily life, when earthquake disaster occurs, resident can not receive alarm the very first time and carry
Showing, and keep away calamity in time, people are often caught unprepared, it is difficult to casualties and property loss are reduced to minimum level, existing
It is big that earthquake alarm system there is also floor space, and the forecast is inaccurate really, and cost is high, is unfavorable for the shortcoming promoted the use of.
A kind of seism warning method using laser and multi-path overlength optical fiber of the present invention, simple and practical, sensitive alarm
Degree height, it is possible to earthquake is sent in advance alarm, it is to avoid or alleviate the disaster that earthquake causes, casualties and property loss are reduced
To minimum level low cost of manufacture.
Summary of the invention
It is an object of the invention to the problem above overcoming prior art to exist, it is provided that a kind of utilization laser and multi-path surpass
The seism warning method of long optical fibers, simple and practical, warning sensitivity is high, it is possible to earthquake sends alarm in advance, it is to avoid or alleviate
The disaster that earthquake causes, is reduced to minimum level low cost of manufacture by casualties and property loss.
For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of seism warning method using laser and multi-path overlength optical fiber, including earthquake Alarm body and alarm method,
Described earthquake Alarm body includes that laser instrument, optical fiber, seismic wave shatter device, signal receiver and intelligent alarm system, institute
State laser instrument, seismic wave shatters device, signal receiver and intelligent alarm system are linked in sequence successively by optical fiber, described light
Fine length is more than 5 kilometers, and described optical fiber is arranged in stainless steel pipes, and the described seismic wave device that shatters includes that easy fragmentation is guide-lighting
Plate, tip or tup and seismic wave amplification device, described seismic wave amplification device connects easy fragmentation light guide plate, institute by tip or tup
The alarm method stating earthquake Alarm body comprises the following steps:
1) earthquake Alarm body is arranged on earth's surface or above ground structure；
2) laser instrument launches laser and signal, laser or signal along spread fiber, laser or signal along optical fiber through earthquake
Shatter device, signal receiver and intelligent alarm system of ripple is propagated；
3) when running into earthquake or experiencing seismic wave, shatter seismic wave amplification device in device of seismic wave amplifies earthquake or earthquake
The power of ripple, tip or tup are to easy fragmentation light guide plate effect, and easy fragmentation light guide plate fragmentation, the seismic wave device that shatters produces and shatters
Interrupting, the signal Transmission in a fiber that laser instrument produces, laser or signal can not be along spread fibers to signal receiver
On；
4) intelligent alarm system detects or monitors signal receiver and do not receives signal or fiber-optic signal interruption, intelligent alarm system
System sends early warning information, it is judged that for earthquake, and warns user.
5) when signal receiver is able to receive that signal, then it is judged as normally earthquake not occurring.
Further, described step 1 is carried out in order to the method for the detection earthquake of step 5.
Further, the described seismic wave device quantity that shatters is provided with 1 or more than 1, and described seismic wave shatters device
With optical fiber in parallel or series.
Further, described easy fragmentation light guide plate is that the material of PC, PMMA, PS, PP is made.
Further, the quantity that described earthquake Alarm body is uniformly arranged in a standard area is 5-20,
One standard area refers to that area is 50 sq-kms, and described earthquake Alarm body group can be connected into net each other.
Further, the thickness of described easy fragmentation light guide plate is set to 0.1-3MM.
The invention has the beneficial effects as follows:
1. simple in construction, practical, highly sensitive；
2. low cost of manufacture, is suitable for popularization and application；
3. earthquake can be sent in advance alarm, it is judged that the position that earthquake occurs, it is to avoid or alleviate the disaster that earthquake causes, by people
Member's injures and deaths and property loss are reduced to minimum level.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing to describe in detail.This
Bright detailed description of the invention is shown in detail in by following example and accompanying drawing thereof.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the earthquake Alarm in a kind of seism warning method using laser and multi-path overlength optical fiber that the present invention relates to
The schematic diagram of body construction；
Fig. 2 is that the easy fragmentation in a kind of seism warning method using laser and multi-path overlength optical fiber that the present invention relates to is guide-lighting
Plate 7 structural representation；
Fig. 3 is the schematic flow sheet of a kind of seism warning method using laser and multi-path overlength optical fiber that the present invention relates to.
Label declaration in figure: earthquake Alarm body 1, laser instrument 2, optical fiber 3, seismic wave shatters device 4, signal receiver
5, intelligent alarm system 6, easy fragmentation light guide plate 7, tip or tup 8, seismic wave amplification device 9.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Referring to figs. 1 through shown in Fig. 3, a kind of seism warning method using laser and multi-path overlength optical fiber, including earthquake alarm
Device body 1 and alarm method, described earthquake Alarm body 1 includes that shatter device 4, signal of laser instrument 2, optical fiber 3, seismic wave connects
Receiving device 5 and intelligent alarm system 6, shatter device 4, signal receiver 5 and intelligent alarm system 6 of described laser instrument 2, seismic wave leads to
Crossing optical fiber 3 to be linked in sequence successively, the length of described optical fiber 3 is more than 5 kilometers, and described optical fiber 3 is arranged in stainless steel pipes, institute
State the seismic wave device 4 that shatters and include easy fragmentation light guide plate 7, tip or tup 8 and seismic wave amplification device 9, described seismic wave amplification
Device 9 connects easy fragmentation light guide plate 7 by tip or tup 8, and the alarm method of described earthquake Alarm body 1 includes following step
Rapid:
1) earthquake Alarm body 1 is arranged on earth's surface or above ground structure；
2) laser instrument 2 is launched laser and signal, laser or signal and is propagated along optical fiber 3, laser or signal along optical fiber 3 through ground
Shatter device 4, signal receiver 5 and intelligent alarm system 6 of seismic wave is propagated；
3) when running into earthquake or experiencing seismic wave, seismic wave shatter the seismic wave amplification device 9 in device 4 amplify earthquake or ground
Easy fragmentation light guide plate 7 is acted on by the power of seismic wave, tip or tup 8, the fragmentation of easy fragmentation light guide plate 7, and the seismic wave device 4 that shatters produces
Raw interruption of shattering, signal Transmission, laser or signal in optical fiber 3 that laser instrument 2 produces can not propagate to letter along optical fiber 3
On number receiver 5；
4) intelligent alarm system 6 detects or monitors signal receiver 5 and do not receives signal or optical fiber 3 signal interruption, intelligent newspapers
Alarm system 6 sends early warning information, it is judged that for earthquake, and warns user.
5) when signal receiver 5 is able to receive that signal, then it is judged as normally earthquake not occurring.
Further, described step 1 is carried out in order to the method for step 5.
Further, described seismic wave device 4 quantity that shatters is provided with 1 or more than 1, and described seismic wave shatters device
4 with optical fiber 3 in parallel or series.
Further, described easy fragmentation light guide plate 7 is that the material of PC, PMMA, PS, PP is made.
Further, the quantity that described earthquake Alarm body 1 is uniformly arranged in a standard area is 1-20,
One standard area refers to that area is 50 sq-kms, and described earthquake Alarm body 1 group can be connected into net each other.
Further, the thickness of described easy fragmentation light guide plate 7 is set to 0.1-3MM.
Specific embodiment:
User uses the present invention, and a kind of seism warning method using laser and multi-path overlength optical fiber, including earthquake Alarm
Body 1 and alarm method, earthquake Alarm body 1 includes that laser instrument 2, optical fiber 3, seismic wave shatter device 4, signal receiver 5
With intelligent alarm system 6, shatter device 4, signal receiver 5 and intelligent alarm system 6 of laser instrument 2, seismic wave is depended on by optical fiber 3
Secondary being linked in sequence, the seismic wave device 4 that shatters includes easy fragmentation light guide plate 7, tip or tup 8 and seismic wave amplification device 9, laser
Device 2 is launched laser and signal, laser or signal and is shattered device 4, signal receiver 5 and intelligent newspapers through seismic wave along optical fiber 3
Alarm system 6 is propagated, and when running into earthquake or experiencing seismic wave, seismic wave shatters the seismic wave amplification device 9 in device 4 enlargedly
Easy fragmentation light guide plate 7 is acted on by shake or the power of seismic wave, tip or tup 8, and the fragmentation of easy fragmentation light guide plate 7, seismic wave shatters
Device 4 produces interruption of shattering, and Transmission, laser or signal can not be along optical fiber 3 in optical fiber 3 for the signal that laser instrument 2 produces
Propagating on signal receiver 5, intelligent alarm system 6 detects or monitors signal receiver 5 and do not receives signal or optical fiber 3 is believed
Number interrupting, intelligent alarm system 6 sends early warning information, it is judged that for earthquake, and warns user, meanwhile, if signal receiver 5 energy
When enough receiving signal, then it is judged as normally earthquake not occurring.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with scope of the claims.
Claims (7)
1. use laser and a seism warning method for multi-path overlength optical fiber, including earthquake Alarm body (1) and warning
Method, it is characterised in that: described earthquake Alarm body (1) include laser instrument (2), optical fiber (3), seismic wave shatter device (4),
Signal receiver (5) and intelligent alarm system (6), described laser instrument (2), seismic wave shatter device (4), signal receiver (5)
Being linked in sequence successively by optical fiber (3) with intelligent alarm system (6), the length of described optical fiber (3) is more than 5 kilometers, described light
Fine (3) are arranged in stainless steel pipes, and the described seismic wave device (4) that shatters includes easy fragmentation light guide plate (7), tip or tup
And seismic wave amplification device (9) (8), described seismic wave amplification device (9) connects easy fragmentation light guide plate (7) by tip or tup (8),
The alarm method of described earthquake Alarm body (1) comprises the following steps:
Earthquake Alarm body (1) is arranged on earth's surface or above ground structure；
Laser instrument (2) is launched laser and signal, laser or signal and is propagated along optical fiber (3), and laser or signal are along optical fiber (3) warp
Cross shatter device (4), signal receiver (5) and intelligent alarm system (6) of seismic wave to propagate；
When running into earthquake or experiencing seismic wave, seismic wave shatter seismic wave amplification device (9) in device (4) amplify earthquake or
Easy fragmentation light guide plate (7) is acted on by the power of seismic wave, tip or tup (8), the fragmentation of easy fragmentation light guide plate (7), and seismic wave shakes
Splitting device (4) and produce interruption of shattering, Transmission, laser or signal can not edges in optical fiber (3) for the signal that laser instrument (2) produces
Optical fiber (3) to propagate on signal receiver (5)；
Intelligent alarm system (6) detects or monitors signal receiver (5) and do not receives signal or optical fiber (3) signal interruption, intelligence
Warning system (6) early warning information can be sent, it is judged that for earthquake, and warn user.
2. when signal receiver (5) is able to receive that signal, then it is judged as normally earthquake not occurring.
A kind of seism warning method using laser and multi-path overlength optical fiber the most according to claim 1, its feature exists
In: the method for described step 1 to step 5 is carried out in order.
A kind of seism warning method using laser and multi-path overlength optical fiber the most according to claim 1, its feature exists
: described seismic wave device (4) quantity that shatters is provided with 1 or more than 1, and described seismic wave shatters device (4) and optical fiber (3)
In parallel or series.
A kind of seism warning method using laser and multi-path overlength optical fiber the most according to claim 1, its feature exists
In: described easy fragmentation light guide plate (7) is that the material of PC, PMMA, PS, PP is made.
A kind of seism warning method using laser and multi-path overlength optical fiber the most according to claim 1, its feature exists
In: the quantity that described earthquake Alarm body (1) is uniformly arranged in a standard area is 1-20, one mark
Quasi-region refers to that area is 50 sq-kms, and described earthquake Alarm body (1) group can be connected into net each other.
A kind of seism warning method using laser and multi-path overlength optical fiber the most according to claim 1, its feature exists
In: the thickness of described easy fragmentation light guide plate (7) is set to 0.1-3MM.
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| CN201610382333.4A CN105844860B (en) | 2016-06-01 | 2016-06-01 | One kind uses laser and multi-path overlength optical fiber seism warning method |
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| CN201610382333.4A CN105844860B (en) | 2016-06-01 | 2016-06-01 | One kind uses laser and multi-path overlength optical fiber seism warning method |
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| CN105844860B CN105844860B (en) | 2018-02-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307882A (en) * | 2018-05-18 | 2019-02-05 | 惠安县金建达电子科技有限公司 | A kind of storage deep under ground antidetonation device |
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| JPH11132840A (en) * | 1997-10-30 | 1999-05-21 | Tomihiko Okayama | Optical pendulum seismic sensor as well as protection-against-disasters alarm device and protection-against-disasters alarm judgment method using it |
| CN101393269A (en) * | 2008-11-06 | 2009-03-25 | 复旦大学 | Method for monitoring geology by utilizing communication optical cable |
| CN201213027Y (en) * | 2008-05-28 | 2009-03-25 | 陈家山 | Earthquake forthcoming alarm device |
| CN101806919A (en) * | 2010-03-29 | 2010-08-18 | 中国石油大学(北京) | Probe structure of optical fiber Bragg grating seismic detector |
| EP1015850B1 (en) * | 1997-09-19 | 2010-09-08 | Weatherford/Lamb, Inc. | Fiber optic sensing system |
| EP2800985A1 (en) * | 2012-01-06 | 2014-11-12 | Services Pétroliers Schlumberger | Optical fiber well deployment for seismic surveying |
| CN103033842B (en) * | 2012-12-18 | 2016-01-20 | 电子科技大学 | Time division multiplexing array formula optical fiber grating earthquake ripple real-time monitoring system |
-
2016
- 2016-06-01 CN CN201610382333.4A patent/CN105844860B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1015850B1 (en) * | 1997-09-19 | 2010-09-08 | Weatherford/Lamb, Inc. | Fiber optic sensing system |
| JPH11132840A (en) * | 1997-10-30 | 1999-05-21 | Tomihiko Okayama | Optical pendulum seismic sensor as well as protection-against-disasters alarm device and protection-against-disasters alarm judgment method using it |
| CN201213027Y (en) * | 2008-05-28 | 2009-03-25 | 陈家山 | Earthquake forthcoming alarm device |
| CN101393269A (en) * | 2008-11-06 | 2009-03-25 | 复旦大学 | Method for monitoring geology by utilizing communication optical cable |
| CN101806919A (en) * | 2010-03-29 | 2010-08-18 | 中国石油大学(北京) | Probe structure of optical fiber Bragg grating seismic detector |
| EP2800985A1 (en) * | 2012-01-06 | 2014-11-12 | Services Pétroliers Schlumberger | Optical fiber well deployment for seismic surveying |
| CN103033842B (en) * | 2012-12-18 | 2016-01-20 | 电子科技大学 | Time division multiplexing array formula optical fiber grating earthquake ripple real-time monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307882A (en) * | 2018-05-18 | 2019-02-05 | 惠安县金建达电子科技有限公司 | A kind of storage deep under ground antidetonation device |
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