CN108898799A - natural disaster monitoring device and monitoring method - Google Patents
natural disaster monitoring device and monitoring method Download PDFInfo
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- CN108898799A CN108898799A CN201811000825.8A CN201811000825A CN108898799A CN 108898799 A CN108898799 A CN 108898799A CN 201811000825 A CN201811000825 A CN 201811000825A CN 108898799 A CN108898799 A CN 108898799A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 58
- 238000012806 monitoring device Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 10
- 239000013307 optical fiber Substances 0.000 claims abstract description 74
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000005489 elastic deformation Effects 0.000 claims abstract description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000000806 elastomer Substances 0.000 claims description 10
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- 230000001681 protective effect Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 239000013536 elastomeric material Substances 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 230000008054 signal transmission Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
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- 229920000428 triblock copolymer Polymers 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RLRINNKRRPQIGW-UHFFFAOYSA-N 1-ethenyl-2-[4-(2-ethenylphenyl)butyl]benzene Chemical compound C=CC1=CC=CC=C1CCCCC1=CC=CC=C1C=C RLRINNKRRPQIGW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
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- 229910000831 Steel Inorganic materials 0.000 description 1
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Classifications
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention provides a kind of natural disaster monitoring devices, including signal receiving device and sender unit, sender unit is connect with signal receiving device by communication module, signal receiving device includes the first signal processor and has elastic, for monitoring the optical fibers of extraneous variation, the range of the elastic strain of optical fibers is 0-1000%, first signal monitoring processing unit is used to monitor and obtain the amount of elastic deformation of optical fibers, sender unit includes the alarm for issuing the second signal processor of signal for receiving the first signal processor and being electrically connected with second signal processor.Natural disaster monitoring device provided by the invention connects the big optical fibers of elastic strain range in signal monitoring processing unit, optical fibers use, and there is elastomeric material to be made, elastic strain ability is strong, improves the sensitivity and timeliness of monitoring, improves the monitoring effect to natural calamity.
Description
Technical field
The invention belongs to natural disaster monitoring technical fields, are to be related to a kind of natural disaster monitoring device more specifically
And monitoring method.
Background technique
Natural calamity is that the mankind are difficult to control and predict, the burst of the natural calamities such as earthquake, mud-rock flow, landslide
Property and destructive power are grave dangers of safety of life and property, to the prestige of building, highway, railway, water conservancy, the mankind, animal etc.
The side of body and destruction have tremendous influence and destructive power.
Current some natural disaster monitoring systems mostly use optical fiber to be laid on around the object for needing to monitor, and pass through one
Situation around at object of the optical signalling variation of a little monitoring device monitoring optical fiber to be monitored required for acquisition.
However, common optical fiber is mostly the material for using silica, due to the elastic deformation ability of silica
It is limited, under the effect of external force caused by deformation quantity it is smaller, and be easy in the biggish situation of external force to occur fracture and
Effectiveness is lost, it is poor to the monitoring effect of natural calamity, it is limited in scope using what the monitoring device of ordinary optic fibre was applicable in.
Summary of the invention
The natural calamities such as the purpose of the present invention is to provide one kind to be suitable for monitoring landslide, mud-rock flow, collapses, can monitor
The monitoring device of Large Infrastructure Projects safety, to solve existing in the prior art poor to the monitoring effect of natural calamity ask
Topic.
To achieve the above object, the technical solution adopted by the present invention is that：A kind of natural disaster monitoring device, including letter are provided
Number reception device and sender unit, the sender unit and the signal receiving device communication connection, the signal
Reception device includes the first signal processor and with elasticity, the optical fibers for monitoring extraneous variation, the optical fibers
The range of elastic strain be 0-1000%, the signal monitoring processing unit is used to monitoring and obtaining the bullets of the optical fibers
Property deformation quantity, the sender unit includes the second signal processing that signal is issued for receiving first signal processor
Device and the alarm being electrically connected with the second signal processor.
Further, the optical fibers include sandwich layer and the covering that is coated on outside the sandwich layer.
Further, the refraction index of the sandwich layer is greater than the refraction index of the covering.
Further, the diameter range of the sandwich layer is between 7 microns to 1000 microns.
Further, the sandwich layer be index of refraction be greater than the clad material liquid or be thermo-setting elastomer or
Thermoplastic elastomer (TPE)；The covering is thermo-setting elastomer or thermoplastic elastomer (TPE).
Further, the spring-backed quill for protecting the optical fibers is arranged on the optical fibers.
Further, the skeleton in described sleeve pipe in close row around it is spiral yarn shaped.
Further, the terminal of the signal monitoring processing unit is provided with GPS positioning module.
Further, natural disaster monitoring device further includes the protective device for protecting the signal receiving device, institute
Protective device is stated to accommodate the signal receiving device wherein.
Another object of the present invention is to provide a kind of monitoring methods based on above-mentioned natural disaster monitoring device, including such as
Lower step：
Extraneous variation so that the optical fibers deformation occurs, first signal processor monitors the guiding fiber
The deformation quantity is judged after the deformation quantity of dimension, if the deformation quantity is in the first preset range, first signal
Processor continues to monitor；
If the deformation quantity exceeds first preset range, first signal processor is sent out to the second signal device
Signal is penetrated, the alarm equipment alarm being electrically connected with the second signal processor, first signal processor is according to
Deformation quantity is further monitored and is seen if fall out the second preset range, if without departing from the after the deformation quantity is monitored
Two preset ranges, first signal processor continue to monitor；
If exceeding the second preset range after the deformation quantity is monitored, first signal processor continues to monitor,
And emitting signal to the second signal device, emergency is taken in the alarm sending being electrically connected with the second signal processor
The signal of measure.
The beneficial effect of natural disaster monitoring device provided by the invention is：Compared with prior art, the present invention is believing
The big optical fibers of connection elastic strain range in number monitoring processing unit, optical fibers, which use, has elastomeric material system
At, elastic strain range up to 0-1000%, signal monitoring processing unit to the deformation quantity of optical fibers carry out real time monitoring and
Comparative analysis, optical fibers have powerful elastic strain range ability, and during monitoring, optical fibers are not easy outer
The ability of big vibration and the deformation that is broken or follows the string easily occurs for boundary, improve monitoring sensitivity and in time
Property, improve the monitoring effect to natural calamity.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the composed structure schematic diagram of natural disaster monitoring device provided in an embodiment of the present invention；
Fig. 2 is the radial sectional view provided in an embodiment of the present invention along optical fibers；
Fig. 3 is the combining structure schematic diagram of optical fibers provided in an embodiment of the present invention and casing inner frame；
Fig. 4 is the flow chart of the monitoring method of natural disaster monitoring device provided in an embodiment of the present invention.
Wherein, each attached drawing main mark in figure：
1- signal receiving device；11- signal monitoring processing unit；The first signal storage of 12-；13- signal transmission device；
The first signal processor of 111-；112- optical fibers；1121- sandwich layer；1122- covering；Base and control unit when 113-；114- arteries and veins
Rush generator；115- laser；116- coupler；117- detector；118- amplification module；
2- sender unit；21- signal transponder；22- second signal memory；23- second signal processor；24；
Alarm；
3-GPRS module；4- casing.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Referring to Fig. 1, existing be illustrated natural disaster monitoring device provided by the invention.The natural disaster monitoring dress
It sets, including signal receiving device 1 and sender unit 2, signal receiving device 1 is used to receive extraneous variation, and signal receives
Communication connection between device 1 and sender unit 2 can pass through GPRS between signal receiving device 1 and sender unit
Module 3 connects, can also be using the connection such as route, optical fiber, WiFi between certain signal receiving device 1 and sender unit 2
Mode, signal receiving device 1 include signal monitoring processing unit 11 interconnected, the first signal storage 12, signal transmission
Device 13, wherein signal monitoring processing unit 11 includes the first signal processor 111 and optical fibers 112, and optical fibers 112 have
Elasticity, for monitoring extraneous variation, up to 0-1000%, optical fibers 112 are monitoring the range of strain of optical fibers 112
Deformation occurs after extraneous variation, and the first signal processor 111 receives the deformation quantity of optical fibers 112 and analyzed and sentenced
Disconnected, sender unit 2 includes the signal transponder 21 being electrically connected, second signal memory 22, second signal processor 23
With alarm 24, after signal monitoring processing unit 11 monitors the deformation quantity of optical fibers 112, signal transmission device 13 will be monitored
Signal is transferred to sender unit 2 by GPRS module 3, and signal is by signal transponder 21, second signal memory 22, the
Binary signal processor 23, alarm 24, the signal that alarm 24 will test remind monitoring system or monitoring personnel after issuing
To issue early warning in time or to take measures on customs clearance.It should be noted that also can be omitted the first letter in signal receiving device 1
Number memory 12, signal transmission device 13 also can be omitted signal transponder 21, second signal memory in sender unit 2
22, signal transmitting is just directly realized by the first signal processor 111 and second signal processor 23 and is received.In addition, supervising
During survey, the signal monitored is passed through line by the process that can also be entirely monitored only by signal receiving device 1
Road is transferred to external display device, or directly in the external alarm device of signal receiving device 1, and alarm device is to monitoring
Signal issues early warning.
Specifically, further including the when base and control unit 113, arteries and veins by light or electrical connection in signal monitoring processing unit 11
Rush generator 114, laser 115, the coupler 116 for being coupled with optical fibers 112, for monitoring 112 bullet of optical fibers
The detector 117 and amplification module 118 of property deformation quantity.Specifically monitoring principle is：Shi Jiyu control unit 113 is sent out to pulse
Raw device 114 issues instruction, and a branch of narrow laser pulse is injected into optical fibers 112 by coupler 116 by impulse generator 114
In, the back-scattering light (Rayleigh scattering and Raman scattering) generated in optical fibers 112 is coupled to light also by the coupler 116
In electric explorer 117, the time needed for backscattering returns to incidence end corresponding to light pulse walked in optical fibers 112 away from
From can know the real time length L of optical fibers 112 as a result, and monitor in real time to optical fibers 112, real time contrast
L and initial length L0：(L-L0)/L0, amplified signal is transferred to the first signal processor 111 by amplification module 118, and first
The signal of the deformation quantity received is sampled average equal calculating and is transmitted to the first letter after being judged by signal processor 111
Number memory 12, signal transmission device 13.
Natural disaster monitoring device provided by the invention, compared with prior art, the present invention is in signal monitoring processing unit
The big optical fibers 112 of elastic strain range are connected in 11, optical fibers 112 are made of with elastomeric material, elasticity
For range of strain up to 0-1000%, signal monitoring processing unit 11 carries out real time monitoring and right to the deformation quantity of optical fibers 112
Than analysis, optical fibers 112 have powerful elastic strain range ability, and during monitoring, optical fibers 112 are not easy
By the extraneous ability that big vibration and the deformation that is broken or follows the string easily occurs, improve monitoring sensitivity and and
Shi Xing improves the monitoring effect to natural calamity.
Further, referring to Fig. 2, optical fibers 112 include sandwich layer 1121 and covering 1122, covering 1122 is coated on core
The outside of layer 1121, wherein sandwich layer 1121 and covering 1122 are flexible optical material, are passed through during monitoring
The Rayleigh scattering and Raman scattering of laser in sandwich layer 1121 and covering 1122 etc. is to realize to the deformation quantity of optical fibers 112
Real-time monitoring, while covering 1122 also plays a good protective effect to sandwich layer 1121.
Further, the refraction index of sandwich layer 1121 is greater than the refraction index of covering 1122, is conducive to light in this way and is leading
Total reflection is formed in fiber optics 112, is reduced scattering and disappearing for light, is conducive to the propagation of light.
Further, the diameter range of sandwich layer 1121 is arranged between 7 microns to 1000 microns, furthermore it is also possible to according to
Actual conditions, optical fibers 112 can be single mode light-conductive optic fibre or multimode optical fibers, wherein 112 core of single mode optical fibers
The diameter of layer 1121 is 7 microns to 15 microns, and the diameter of the mew layer of multimode optical fibers 112, can basis at 15 microns or more
The diameter of multimode fibre is set practically necessary diameter dimension by actual conditions.It in other embodiments, can also be by sandwich layer
In open up several cavity structures, to enhance refraction and communication effect of the light in sandwich layer.
Further, the material of sandwich layer 1121 can be liquid of the index of refraction greater than 1122 material of covering or be thermosetting property
The compound of elastomer or thermoplastic elastomer (TPE) or thermo-setting elastomer and thermoplastic elastomer (TPE).Covering 1122 can select
With for the thermo-setting elastomer perhaps compound of thermoplastic elastomer (TPE) or thermo-setting elastomer and thermoplastic elastomer (TPE), such as
Thermo-setting elastomer can be selected as dimethyl silicone polymer, and thermoplastic elastomer (TPE) is styrene-ethylene/butylene-styrene three
Block copolymer and thermoplastic silicone elastomers, compound can be selected as styrene-ethylene/butylene-styrene three block
The compound of copolymer and polyethylene.The material selection of sandwich layer 1121 can be styrene-by the specific structure of optical fibers 112
Ethylene/butylene-styrene triblock copolymer, it is thermoplastic silicone elastomers that covering 1122, which is selected,.The material of sandwich layer 1121
Can also select for can be guide-lighting organic liquid and inorganic liquid, such as water, n-hexane, silicone oil etc., as long as in sandwich layer 1121
With keep what the index of refraction of sandwich layer 1121 was higher than covering 1122 to penetrate light rate when the selection of the material of covering 1122.
Further, referring to Fig. 3, being also arranged with the casing 4 for protecting optical fibers 112 on optical fibers 112, set
Pipe 4 has good elastic deformation ability.Optical fibers 112 can be laid in the table of monitored target in use
Face, the inside for being fixed on monitored target are embedded in outdoor soil.Optical fibers 112 independent can be laid with, also may be used
To depend on the carrier for needing to monitor, such as optical fibers 112 can be depended on into textile fabric, knitmesh, wire netting or steel
It is laid with together on the objects such as muscle.Optical fibers 112 place for a long time outdoors, be easy accelerate optical fibers 112 corrosion or
Casing 4, is set in the outside of optical fibers 112, so that the outside of optical fibers 112 obtains the protection of casing 4, made by person's abrasion
112 long-time of optical fibers is in extraneous complex environment and is able to extend the service life used, extend replacement optical fibers 112
Period.
Further, referring to Fig. 3, skeleton in casing 4 in row around it is spiral yarn shaped, casing 4 is bent and flexible, general
The outer surface that casing 4 is set in optical fibers 112 help to disperse optical fibers 112 during monitoring it is suffered from
Along the effect of the power of its radial direction, to reduce abrasion and corrosion of the external environment to optical fibers 112.Protection sleeve pipe 4
Tube wall be made of flexible base material, such as rubber, thermoplastic elastomer (TPE) or relevant compound composition, casing
4 tube wall is additionally provided with flexible skeleton structure, such as helical wire structure.
Further, the terminal of signal monitoring processing unit 11 is additionally provided with GPS positioning module, when signal monitoring processing fills
After setting the deformation that 11 monitor optical fibers 112, monitoring personnel can be quick according to the location information issued to GPS positioning module
Position the object that may occur or have occurred and that the position of dangerous situation or be monitored, quickly make a response so as to monitoring personnel or
Person issues the notice of early warning in time, and the threat of natural calamity and destruction are preferably minimized, and reduces the loss of life and property.
Further, natural disaster monitoring device further includes protective device, and protective device is for holding signal receiving device 1
It is placed in one, to reduce the influence and interference of extraneous wind, solarization to signal monitoring processing unit 11, prolongs the service life.
Referring to Fig. 4, the present invention also provides a kind of monitoring method based on above-mentioned natural disaster monitoring device, the nature
The monitoring method of disaster monitoring device, includes the following steps：
Assuming that the deformation quantity of flexible fiber optics is x, preset the first preset range for belonging to normal condition is 0-y, in advance
The minimum value for the second preset range of dangerous situation that is first set belong to as z, extraneous variation so that optical fibers 112 deformation occurs,
First signal processor 111 monitor after the deformation quantities of optical fibers 112 to the size of x and y be compared and judge, if x
≤ y, i.e. deformation quantity are in the first preset range, then the first signal processor 111 continues to monitor；
If x>Y, i.e. deformation quantity exceed the first preset range, and alarm 24 begins to send out alarm, the first signal processor 111
The deformation quantity of the second preset range will be further monitored and seen if fall out to deformation quantity, if x≤z, i.e. deformation
Amount is located at the situation in the second preset range, then the first signal processor 111 continues to monitor；
If x>The case where having exceeded the second preset range after z, i.e. deformation quantity are monitored, then the first signal processor 111 after
It is continuous to be monitored and issue the signal taken emergency measures.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. natural disaster monitoring device, it is characterised in that：Including signal receiving device and sender unit, the signal transmitting
Device and the signal receiving device communication connection, the signal receiving device include the first signal processor and have elasticity,
For monitoring the optical fibers of extraneous variation, the range of the elastic strain of the optical fibers is 0-1000%, the signal prison
The amount of elastic deformation that processing unit is used to monitor and obtain the optical fibers is surveyed, the sender unit includes for receiving
The report that first signal processor issues the second signal processor of signal and is electrically connected with the second signal processor
Alert device.
2. natural disaster monitoring device as described in claim 1, it is characterised in that：The optical fibers include sandwich layer and cladding
Covering outside the sandwich layer.
3. natural disaster monitoring device as claimed in claim 2, it is characterised in that：The refraction index of the sandwich layer is greater than described
The refraction index of covering.
4. natural disaster monitoring device as claimed in claim 2, it is characterised in that：The diameter range of the sandwich layer is at 7 microns
To between 1000 microns.
5. natural disaster monitoring device as claimed in claim 2, it is characterised in that：The sandwich layer is that index of refraction is greater than the packet
The liquid of layer material is thermo-setting elastomer or thermoplastic elastomer (TPE)；The covering is thermo-setting elastomer or thermoplastic
Property elastomer.
6. natural disaster monitoring device as described in claim 1, it is characterised in that：It is arranged on the optical fibers for protecting
Protect the spring-backed quill of the optical fibers.
7. natural disaster monitoring device as claimed in claim 6, it is characterised in that：Skeleton in described sleeve pipe in close row around
It is spiral yarn shaped.
8. natural disaster monitoring device as described in claim 1, it is characterised in that：The terminal of the signal monitoring processing unit
It is provided with GPS positioning module.
9. natural disaster monitoring device as described in claim 1, it is characterised in that：It further include for protecting the signal to receive
The protective device of device, the protective device accommodate the signal receiving device wherein.
10. a kind of monitoring method based on natural disaster monitoring device of any of claims 1-9, feature exist
In：Include the following steps,
Extraneous variation so that the optical fibers deformation occurs, first signal processor monitors the optical fibers
The deformation quantity is judged after deformation quantity, if the deformation quantity is in the first preset range, first signal processing
Device continues to monitor；
If the deformation quantity exceeds first preset range, first signal processor emits to the second signal device to be believed
Number, the alarm equipment alarm being electrically connected with the second signal processor, first signal processor is according to the deformation
Amount is further monitored and is seen if fall out the second preset range, if pre- without departing from second after the deformation quantity is monitored
If range, first signal processor continues to monitor；
If exceeding the second preset range after the deformation quantity is monitored, first signal processor continues to monitor, and to
The second signal device emits signal, and the alarm sending being electrically connected with the second signal processor is taken emergency measures
Signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811000825.8A CN108898799B (en) | 2018-08-30 | 2018-08-30 | Natural disaster monitoring device and monitoring method |
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|---|---|---|---|
| CN201811000825.8A CN108898799B (en) | 2018-08-30 | 2018-08-30 | Natural disaster monitoring device and monitoring method |
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| CN108898799A true CN108898799A (en) | 2018-11-27 |
| CN108898799B CN108898799B (en) | 2024-04-19 |
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