CN108898799B - Natural disaster monitoring device and monitoring method - Google Patents
Natural disaster monitoring device and monitoring method Download PDFInfo
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- CN108898799B CN108898799B CN201811000825.8A CN201811000825A CN108898799B CN 108898799 B CN108898799 B CN 108898799B CN 201811000825 A CN201811000825 A CN 201811000825A CN 108898799 B CN108898799 B CN 108898799B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 60
- 238000012806 monitoring device Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 9
- 239000013307 optical fiber Substances 0.000 claims abstract description 62
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 12
- 230000005489 elastic deformation Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000012792 core layer Substances 0.000 claims description 24
- 238000005253 cladding Methods 0.000 claims description 18
- 239000010410 layer Substances 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 8
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 8
- 239000000806 elastomer Substances 0.000 claims description 7
- 229920001187 thermosetting polymer Polymers 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 229920005996 polystyrene-poly(ethylene-butylene)-polystyrene Polymers 0.000 description 3
- 229920000428 triblock copolymer Polymers 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000005260 corrosion Methods 0.000 description 2
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- 230000006378 damage Effects 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- -1 polydimethylsiloxane Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
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- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
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Classifications
-
- 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)
- Emergency Alarm Devices (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a natural disaster monitoring device, which comprises a signal receiving device and a signal transmitting device, wherein the signal transmitting device is connected with the signal receiving device through a communication module, the signal receiving device comprises a first signal processor and an optical fiber which has elasticity and is used for monitoring external changes, the elastic strain range of the optical fiber is 0-1000%, the first signal monitoring processing device is used for monitoring and acquiring the elastic deformation quantity of the optical fiber, and the signal transmitting device comprises a second signal processor used for receiving signals sent by the first signal processor and an alarm electrically connected with the second signal processor. The natural disaster monitoring device is characterized in that the signal monitoring processing device is connected with the light guide fiber with a large elastic strain range, the light guide fiber is made of a material with high elasticity, the elastic strain capacity is high, the monitoring sensitivity and timeliness are improved, and the monitoring effect on natural disasters is improved.
Description
Technical Field
The invention belongs to the technical field of natural disaster monitoring, and particularly relates to a natural disaster monitoring device and a natural disaster monitoring method.
Background
Natural disasters are difficult to control and predict by human beings, sudden and destructive power of natural disasters such as earthquakes, debris flows, landslides and the like is a huge threat to life and property safety, and has huge influence and destructive power on the threat and destruction of buildings, highways, railways, water conservancy, human beings, animals and the like.
At present, some natural disaster monitoring systems mostly adopt optical fibers to be paved around objects to be monitored, and the optical signal changes of the optical fibers are monitored through some monitoring devices so as to obtain the surrounding conditions of the objects to be monitored.
However, most of the common optical fibers are made of silicon dioxide, and because of the limited elastic deformation capability of the silicon dioxide, the deformation amount generated under the action of external force is small, and the common optical fibers are easy to break and lose effectiveness under the condition of large external force, so that the monitoring effect on natural disasters is poor, and the application range of the monitoring device using the common optical fibers is limited.
Disclosure of Invention
The invention aims to provide a monitoring device which is suitable for monitoring natural disasters such as landslide, debris flow, collapse and the like and can monitor the safety of large-scale infrastructures, so as to solve the problem of poor monitoring effect on the natural disasters in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a natural disasters monitoring device, includes signal receiving arrangement and signal transmitting device, signal transmitting device with signal receiving arrangement communication connection, signal receiving arrangement includes first signal processor and has elasticity, be used for monitoring external world change's leaded light fibre, the scope of the elastic strain of leaded light fibre is 0-1000%, signal monitoring processing device is used for monitoring and obtaining the elastic deformation volume of leaded light fibre, signal transmitting device includes be used for receiving first signal processor sends signal's second signal processor and with the alarm that second signal processor electricity is connected.
Further, the optical fiber comprises a core layer and a cladding layer coated outside the core layer.
Further, the refractive index of the core layer is greater than the refractive index of the cladding layer.
Further, the core layer has a diameter in the range of 7 microns to 1000 microns.
Further, the core layer is a liquid with a refractive index greater than that of the cladding material or is a thermosetting elastomer or a thermoplastic elastomer; the cladding is a thermosetting elastomer or a thermoplastic elastomer.
Further, an elastic sleeve for protecting the light guide fiber is sleeved on the light guide fiber.
Further, the framework in the sleeve is in a spiral shape which is tightly arranged and wound.
Further, a terminal of the signal monitoring and processing device is provided with a GPS positioning module.
Further, the natural disaster monitoring device further comprises a protection device for protecting the signal receiving device, and the protection device accommodates the signal receiving device therein.
Another object of the present invention is to provide a monitoring method based on the above natural disaster monitoring device, including the following steps:
the deformation of the optical fiber is caused by external change, the deformation is judged after the first signal processor monitors the deformation of the optical fiber, and if the deformation is in a first preset range, the first signal processor continues to monitor;
If the deformation exceeds the first preset range, the first signal processor transmits a signal to the second signal processor, the alarm electrically connected with the second signal processor alarms, the first signal processor further monitors and judges whether the deformation exceeds the second preset range according to the deformation, and if the deformation does not exceed the second preset range after being monitored, the first signal processor continues to monitor;
If the deformation is beyond a second preset range after being monitored, the first signal processor continues to monitor and transmits signals to the second signal processor, and the alarm electrically connected with the second signal processor sends out signals for taking emergency measures.
The natural disaster monitoring device provided by the invention has the beneficial effects that: compared with the prior art, the optical fiber with large elastic strain range is connected in the signal monitoring and processing device, the optical fiber is made of the material with high elasticity, the elastic strain range can reach 0-1000%, the signal monitoring and processing device monitors and compares the deformation of the optical fiber in real time, the optical fiber has strong elastic strain range capacity, and the optical fiber is not easy to break or lose elastic deformation capacity due to large vibration of the outside in the monitoring process, so that the monitoring sensitivity and timeliness are improved, and the monitoring effect on natural disasters is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a composition structure of a natural disaster monitoring apparatus according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view along the radial direction of a light guiding fiber according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a combined structure of a guide fiber and a ferrule inner frame according to an embodiment of the present invention;
Fig. 4 is a flowchart of a monitoring method of a natural disaster monitoring apparatus according to an embodiment of the present invention.
Wherein, each reference numeral in the figure mainly marks:
1-a signal receiving device; 11-signal monitoring and processing device; 12-a first signal memory; 13-a signal transmitter; 111-a first signal processor; 112-light guide fibers; 1121-a core layer; 1122-cladding; 113-a time base and control unit; 114-a pulse generator; 115-a laser; 116-a coupler; 117-detector; 118-an amplifying module;
2-signal transmitting means; 21-a signal relay; 22-a second signal memory; 23-a second signal processor; 24, a step of detecting the position of the base; an alarm;
a 3-GPRS module; 4-sleeve.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it should be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, a description will be given of a natural disaster monitoring apparatus provided by the present invention. The natural disaster monitoring device comprises a signal receiving device 1 and a signal transmitting device 2, wherein the signal receiving device 1 is used for receiving external changes, the signal receiving device 1 is in communication connection with the signal transmitting device 2, the signal receiving device 1 and the signal transmitting device 2 can be connected through a GPRS module 3, of course, a connection mode such as a circuit, an optical fiber, wiFi and the like can be adopted between the signal receiving device 1 and the signal transmitting device 2, the signal receiving device 1 comprises a signal monitoring processing device 11, a first signal memory 12 and a signal transmitter 13 which are connected with each other, the signal monitoring processing device 11 comprises a first signal processor 111 and an optical fiber 112, the optical fiber 112 has elasticity and is used for monitoring external changes, the strain range of the optical fiber 112 can reach 0-1000%, the optical fiber 112 deforms after the external changes are monitored, the first signal processor 111 receives the deformation amount of the optical fiber 112 and analyzes and judges, the signal transmitting device 2 comprises a signal transit 21, a second signal memory 22, a second signal processor 23 and an alarm 24, the signal processor 11 transmits the signal to the optical fiber 112 through the signal transit 21, the second signal memory 22 and the signal transmitter 13, and the alarm 24 sends out alarm measures to the corresponding to the second signal processor 24 after the signal processor is detected by the signal processor and the signal transmitter 2, or the alarm system is detected by the second signal processor 24. The first signal memory 12 and the signal transmitter 13 may be omitted in the signal receiving apparatus 1, the signal relay 21 and the second signal memory 22 may be omitted in the signal transmitting apparatus 2, and the signal transmission and reception may be realized directly by the first signal processor 111 and the second signal processor 23. In addition, in the monitoring process, the whole monitoring process can be performed only through the signal receiving device 1, the monitored signal can be transmitted to an external display device through a circuit, or an alarm device is directly externally connected to the signal receiving device 1, and the alarm device gives an early warning to the monitored signal.
Specifically, the signal monitoring and processing device 11 further includes a time base and control unit 113, a pulse generator 114, a laser 115, a coupler 116 for coupling with the optical fiber 112, a detector 117 for monitoring the elastic deformation of the optical fiber 112, and an amplifying module 118, which are connected by light or electricity. The specific monitoring principle is as follows: the time base and control unit 113 sends instructions to the pulse generator 114, the pulse generator 114 injects a narrow beam of laser pulse into the optical fiber 112 through the coupler 116, the back scattered light (rayleigh scattering and raman scattering) generated in the optical fiber 112 is also coupled into the photodetector 117 through the coupler 116, the time required for back scattering back to the incident end corresponds to the distance the light pulse takes in the optical fiber 112, thus, the real-time length L of the optical fiber 112 can be obtained, the optical fiber 112 is monitored in real time, the real-time comparison between L and the initial length L 0：(L-L0)/L0 is performed, the amplified signal is transmitted to the first signal processor 111 by the amplifying module 118, the first signal processor 111 calculates and judges the received signal of the deformation quantity, and then transmits the signal to the first signal memory 12 and the signal transmitter 13.
Compared with the prior art, the natural disaster monitoring device provided by the invention has the advantages that the optical fiber 112 with a large elastic strain range is connected in the signal monitoring processing device 11, the optical fiber 112 is made of a material with high elasticity, the elastic strain range can reach 0-1000%, the signal monitoring processing device 11 monitors and compares the deformation quantity of the optical fiber 112 in real time, the optical fiber 112 has strong elastic strain range capacity, and the optical fiber 112 is not easy to break or lose the elastic deformation capacity due to large vibration of the outside in the monitoring process, so that the monitoring sensitivity and timeliness are improved, and the monitoring effect on natural disasters is improved.
Further, referring to fig. 2, the optical fiber 112 includes a core layer 1121 and a cladding layer 1122, the cladding layer 1122 is coated on the outside of the core layer 1121, wherein the core layer 1121 and the cladding layer 1122 are made of an elastic light guiding material, and in the monitoring process, real-time monitoring of the deformation of the optical fiber 112 is achieved by rayleigh scattering, raman scattering, etc. of the laser in the core layer 1121 and the cladding layer 1122, and meanwhile, the cladding layer 1122 also has a good protection effect on the core layer 1121.
Further, the refractive index of the core 1121 is greater than that of the cladding 1122, which facilitates the formation of total reflection of light in the optical guide fiber 112, reduces the loss of light, and facilitates the propagation of light.
Further, the diameter of the core layer 1121 is set between 7 micrometers and 1000 micrometers, and in addition, the optical fiber 112 may be a single-mode optical fiber or a multi-mode optical fiber according to the actual situation, where the diameter of the core layer 1121 of the single-mode optical fiber 112 is 7 micrometers to 15 micrometers, the diameter of the new layer of the multi-mode optical fiber 112 is above 15 micrometers, and the diameter of the multi-mode fiber may be set to the actually required diameter size according to the actual situation. In other embodiments, a plurality of cavity structures may be formed in the core layer to enhance refraction and propagation effects of light in the core layer.
Further, the material of the core 1121 may be a liquid having a refractive index greater than that of the material of the cladding 1122 or a thermosetting elastomer, or a thermoplastic elastomer or a composite of a thermosetting elastomer and a thermoplastic elastomer. The cladding 1122 may be selected from the group consisting of a thermoset elastomer, such as polydimethylsiloxane, or a thermoplastic elastomer, such as styrene-ethylene/butylene-styrene triblock copolymer and a thermoplastic silicone elastomer, or a composite of a styrene-ethylene/butylene-styrene triblock copolymer and polyethylene. The specific structure of the light guide fiber 112 may be such that the material of the core layer 1121 is styrene-ethylene/butylene-styrene triblock copolymer, and the cladding layer 1122 is thermoplastic silicone elastomer. The material of the core layer 1121 may be an organic liquid or an inorganic liquid that can guide light, such as water, n-hexane, silicone oil, or the like, as long as the refractive index of the core layer 1121 is kept higher than the light-emitting index of the clad layer 1122 when the materials of the core layer 1121 and the clad layer 1122 are selected.
Further, referring to fig. 3, the optical fiber 112 is further sleeved with a sleeve 4 for protecting the optical fiber 112, and the sleeve 4 has good elastic deformation capability. The light guide fiber 112 may be laid on the surface of the monitored object, fixed inside the monitored object, or buried in outdoor soil during use. The optical fiber 112 can be independently laid or attached to a carrier to be monitored, for example, the optical fiber 112 can be attached to an object such as a textile, a woven net, a wire net or a steel bar to be laid together. The optical fiber 112 is placed outdoors for a long time, so that corrosion or abrasion of the optical fiber 112 is easy to accelerate, the sleeve 4 is sleeved outside the optical fiber 112, the outside of the optical fiber 112 is protected by the sleeve 4, the optical fiber 112 is located in a complex environment outside for a long time, the service life of the optical fiber 112 can be prolonged, and the period of replacing the optical fiber 112 is prolonged.
Further, referring to fig. 3, the skeleton in the sleeve 4 is in a spiral shape, the sleeve 4 can be bent and stretched, and the sleeve 4 is sleeved on the outer surface of the light guide fiber 112 to help disperse the force applied to the light guide fiber 112 along the radial direction thereof during the monitoring process, so as to reduce the abrasion and corrosion of the external environment to the light guide fiber 112. The wall of the protective sleeve 4 is made of a base material having elasticity, such as rubber, thermoplastic elastomer or a related compound, and the wall of the sleeve 4 is further provided with a skeleton structure having elasticity, such as a spiral wire structure.
Further, the terminal of the signal monitoring processing device 11 is further provided with a GPS positioning module, when the signal monitoring processing device 11 monitors the deformation of the light guide fiber 112, a monitoring person can quickly position a position or a monitored object where a dangerous situation may occur or has occurred according to positioning information sent by the GPS positioning module, so that the monitoring person can quickly respond or timely send out a warning notification, the threat and damage of natural disasters are reduced to the minimum, and the loss of life and property is reduced.
Further, the natural disaster monitoring device further comprises a protection device, and the protection device is used for accommodating the signal receiving device 1 therein, so as to reduce the influence and interference of external wind and sun on the signal monitoring processing device 11 and prolong the service life.
Referring to fig. 4, the present invention further provides a monitoring method based on the natural disaster monitoring device, where the monitoring method of the natural disaster monitoring device includes the following steps:
Assuming that the deformation amount of the elastic optical fiber is x, a preset first preset range belonging to a normal condition is 0-y, a preset minimum value belonging to a second preset range of dangerous situations is z, the deformation of the optical fiber 112 is caused by the external change, the first signal processor 111 compares and judges the magnitudes of x and y after monitoring the deformation amount of the optical fiber 112, and if x is less than or equal to y, namely the deformation amount is in the first preset range, the first signal processor 111 continues to monitor;
If x > y, i.e. the deformation exceeds the first preset range, the alarm 24 starts to give an alarm, the first signal processor 111 further monitors the deformation and judges whether the deformation exceeds the deformation in the second preset range, if x is less than or equal to z, i.e. the deformation is in the second preset range, the first signal processor 111 continues to monitor;
If x > z, i.e. the deformation amount is monitored and exceeds the second preset range, the first signal processor 111 continues to monitor and signals that emergency measures are taken.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. Natural disasters monitoring device, its characterized in that: the device comprises a signal receiving device and a signal transmitting device, wherein the signal transmitting device is in communication connection with the signal receiving device, and the signal receiving device comprises a signal monitoring and processing device; the signal monitoring and processing device comprises a first signal processor and an optical fiber which has elasticity and is used for monitoring external changes, wherein the elastic strain range of the optical fiber is 0-1000%, the signal monitoring and processing device is used for monitoring and acquiring the elastic deformation quantity of the optical fiber, and the signal transmitting device comprises a second signal processor and an alarm, wherein the second signal processor is used for receiving signals sent by the first signal processor, and the alarm is electrically connected with the second signal processor;
the optical fiber comprises a core layer and a cladding layer coated outside the core layer;
the refractive index of the core layer is greater than the refractive index of the cladding layer;
The diameter of the core layer ranges from 7 microns to 1000 microns;
The core layer is liquid with refractive index larger than that of the cladding material or is a thermosetting elastomer or a thermoplastic elastomer; the cladding is a thermosetting elastomer or a thermoplastic elastomer.
2. The natural disaster monitoring device as set forth in claim 1, wherein: and the light guide fiber is sleeved with an elastic sleeve for protecting the light guide fiber.
3. The natural disaster monitoring device as set forth in claim 2, wherein: the framework in the sleeve is in a spiral shape which is tightly arranged and wound.
4. The natural disaster monitoring device as set forth in claim 1, wherein: the terminal of the signal monitoring and processing device is provided with a GPS positioning module.
5. The natural disaster monitoring device as set forth in claim 1, wherein: the signal receiving device is characterized by further comprising a protection device for protecting the signal receiving device, wherein the protection device accommodates the signal receiving device.
6. A monitoring method based on the natural disaster monitoring device according to any one of claims 1 to 5, characterized in that: comprises the following steps of the method,
The deformation of the optical fiber is caused by external change, the deformation is judged after the first signal processor monitors the deformation of the optical fiber, and if the deformation is in a first preset range, the first signal processor continues to monitor;
If the deformation exceeds the first preset range, the first signal processor transmits a signal to the second signal processor, the alarm electrically connected with the second signal processor alarms, the first signal processor further monitors and judges whether the deformation exceeds the second preset range according to the deformation, and if the deformation does not exceed the second preset range after being monitored, the first signal processor continues to monitor;
if the deformation is beyond a second preset range after being monitored, the first signal processor continues to monitor and transmits signals to the second signal processor, and the alarm electrically connected with the second signal processor sends out signals for taking emergency measures.
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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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| CN108898799B true CN108898799B (en) | 2024-04-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794499A (en) * | 2010-01-27 | 2010-08-04 | 江苏华安高技术安防产业有限公司 | Imaging identification based illumination monitoring system and realization method |
| CN201935670U (en) * | 2010-11-26 | 2011-08-17 | 中国计量学院 | Ultra long-range 100km full-distributed optical fiber Rayleigh and Raman scattering sensor |
| CN102542732A (en) * | 2010-12-08 | 2012-07-04 | 中国电信股份有限公司 | Method and system for monitoring and early warning of natural disasters |
| CN204155457U (en) * | 2014-11-06 | 2015-02-11 | 西安科技大学 | A kind of monitoring early-warning device for traffic disaster |
| CN208781385U (en) * | 2018-08-30 | 2019-04-23 | 深圳市丫丫智先科技有限公司 | Natural disaster monitoring device |
-
2018
- 2018-08-30 CN CN201811000825.8A patent/CN108898799B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794499A (en) * | 2010-01-27 | 2010-08-04 | 江苏华安高技术安防产业有限公司 | Imaging identification based illumination monitoring system and realization method |
| CN201935670U (en) * | 2010-11-26 | 2011-08-17 | 中国计量学院 | Ultra long-range 100km full-distributed optical fiber Rayleigh and Raman scattering sensor |
| CN102542732A (en) * | 2010-12-08 | 2012-07-04 | 中国电信股份有限公司 | Method and system for monitoring and early warning of natural disasters |
| CN204155457U (en) * | 2014-11-06 | 2015-02-11 | 西安科技大学 | A kind of monitoring early-warning device for traffic disaster |
| CN208781385U (en) * | 2018-08-30 | 2019-04-23 | 深圳市丫丫智先科技有限公司 | Natural disaster monitoring device |
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