CN205982655U - Optic fibre underground laser lamp -house earthquake warning device - Google Patents

Optic fibre underground laser lamp -house earthquake warning device Download PDF

Info

Publication number
CN205982655U
CN205982655U CN201620524872.2U CN201620524872U CN205982655U CN 205982655 U CN205982655 U CN 205982655U CN 201620524872 U CN201620524872 U CN 201620524872U CN 205982655 U CN205982655 U CN 205982655U
Authority
CN
China
Prior art keywords
guide plate
light guide
earthquake
optical fiber
signal
Prior art date
Application number
CN201620524872.2U
Other languages
Chinese (zh)
Inventor
林建宝
Original Assignee
漳浦县圆周率工业设计有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 漳浦县圆周率工业设计有限公司 filed Critical 漳浦县圆周率工业设计有限公司
Priority to CN201620524872.2U priority Critical patent/CN205982655U/en
Application granted granted Critical
Publication of CN205982655U publication Critical patent/CN205982655U/en

Links

Abstract

The utility model discloses an optic fibre underground laser lamp -house earthquake warning device, including the earthquake warning device body, the earthquake warning device body includes laser instrument, optic fibre, seismic wave shatter device and intelligent alarm system, the seismic wave shatters the device and includes separable light guide plate, separable light guide plate is provided with resetting means, laser instrument lasing producing signals, and laser or signal are propagated along optic fibre, and separable light guide plate produces the separation when meetting the earthquake or when experiencing the seismic wave, laser transmission suspends following optical fiber transmit signal to intelligent alarm system's the signal collector on, when signal collector can not receive signal or signal interruption, judge then that intelligent alarm system reports to the police for the earthquake, when signal collector can received signal, for not taking place the earthquake. The utility model discloses an optic fibre underground laser lamp -house earthquake warning device, simple and practical, sensitivity is high, can send out the police dispatch newspaper in advance to the earthquake, and low in manufacturing cost is suitable for popularization and application.

Description

A kind of buried LASER Light Source earthquake alarming device of optical fiber

Technical field

This utility model is related to the technical field of earthquake alarm, the buried LASER Light Source earthquake report of more particularly, to a kind of optical fiber Alarm device.

Background technology

Earthquake is the destructive natural disaster 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 because 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, ancient times have seismograph can predict the generation of earthquake, earthquake it Front also have many peculiar geographical phenomenons can effectively foreseeing earthquake, the Novel presentation of such as animal and the exception table of weather Existing, but the development due to industrialization and urbanization, and this natural prediction method is 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, has not been well positioned to meet people's Demand.Cause in personnel death's ratio in China's natural disaster, earthquake disaster proportion is up to 54%, be that China causes personnel Dead most natural disaster.Earthquake disaster not only damages national economy, and directly contributes the huge damage of people's life, property Lose, not yet reach in front several seconds or tens of second in devastatingly seismic wave, earthquake information is announced extraneous, personnel can be substantially reduced Injures and deaths.Theoretical research shows, if pre-warning time is 3 seconds, casualties can be made to compare minimizing 14%;If 10 seconds, people Member's injures and deaths are than minimizing 39%.Therefore, set up timely, accurate and effective earthquake warning system and be always the side that people work hard To.

At present, seismic survey and the many seismic survey centers in country's specialty of alarm device or scientific research institution use, due to These machines are accurate, huge, expensive, and the sensor of these seismic survey devices will be placed into specific region and specific It is impossible to popularization use in resident's daily life, when earthquake disaster occurs, resident can not receive alarm the very first time and carry depth Show, 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 Earthquake alarm system there is also floor space greatly, and the forecast is inaccurate really, and high cost is unfavorable for the shortcoming promoted the use of.

China is divided into 12 degree earthquake intensity, the earthquake of different earthquake intensitys, and its impact and destruction are substantially as follows:It is less than Three degree of people's numbnesss, only instrument just can recorded;Feel in the dead of night people for three degree;People's meeting of four~five degree of sleeps Wake up with a start, pendent lamp rocks;Six degree of vessel are toppled over, house slight damage;Seven~octave house is destroyed, and crack in ground; Nine~ten degree of house collapses, ground failure is serious;11~12 degree of destructive destructions.

A kind of buried LASER Light Source earthquake alarming device of optical fiber of the present utility model, simple and practical, sensitivity is high, permissible Alarm, low cost of manufacture are sent in advance to earthquake, is suitable for popularization and application, is stably hardly damaged, efficiency high.

Utility model content

The purpose of this utility model is the problem above overcoming prior art to exist, and provides a kind of optical fiber buried laser Light source earthquake alarming device,

For realizing above-mentioned technical purpose, reach above-mentioned technique effect, this utility model is achieved through the following technical solutions:

A kind of buried LASER Light Source earthquake alarming device of optical fiber, including earthquake alarming device body, described earthquake alarm Device body includes laser instrument, optical fiber, seismic wave shatter device and intelligent alarm system, described laser instrument, seismic wave shatter dress Put, intelligent alarm system is linked in sequence successively by optical fiber, the length of described optical fiber is more than 5 kilometers, described optical fiber is installed In stainless steel pipes, described intelligent alarm system includes signal collector, and the described seismic wave device that shatters includes separable leading Tabula rasa, described separable light guide plate can be divided into 1-12 bar laid out in parallel, and the separable light guide plate described in each is provided with Corresponding earthquake magnitude, each separable light guide plate of described division can separate according to the dynamics of earthquake, described separable leads Tabula rasa is provided with resetting means, and described resetting means can promote separable light guide plate to reset after isolation, and described laser instrument is sent out Penetrate laser and produce signal, along spread fiber, described separable light guide plate is when running into earthquake or impression for described laser or signal Separate to producing during seismic wave, described Laser Transmission interrupt can not be along optical fiber transmission signal to signal collector on, described signal When catcher does not receive signal or signal interruption, described intelligent alarm system is reported to the police, then be judged as earthquake, described signal collection Device can receipt signal when, for normally there is not earthquake, described resetting means can make separable light guide plate repeatedly use.

Further, each separable light guide plate of described division is divided into different stage, can receive different ground The separation that earthquake magnitude number brings, the corresponding different magnitude of each separable light guide plate of described division, for example, first can Separate light guide plate and correspond to first order earthquake series, the separable light guide plate of Article 2 corresponds to second level earthquake series, Article 3 can be divided Correspond to third level earthquake series from light guide plate, in the event of three-level earthquake, first separable light guide plate and Article 2 are separable Light guide plate will separate, and the separable light guide plate of Article 3 then will not separate.

Further, described resetting means can be divided into adjustable resetting means and automatic reset device, described adjustable multiple Position device can reset separable light guide plate between 1 second -1 minute in limited time, so that separable light guide plate is connected, described automatically Resetting means also can be made separable light guide plate connect.

Further, described separable light guide plate is provided with fixing end and round end, described fixing end and round end all with Optical fiber connects, and described round end can make fixing end and round end rotating separation, described fixing end and the rotation of separable light guide plate When turning end and separating, the signal that described laser instrument produces in a fiber Transmission it is impossible to enough transmit signals on signal collector.

Further, described resetting means can make fixing end and round end reset to connect, described fixing end and rotation When turning end and connecting, the signal that described laser instrument produces transmits in a fiber.

Further, described earthquake alarming device body is arranged on earth's surface or above ground structure.

Further, described intelligent alarm system can be connected with extraneous communication apparatus, described external world communication apparatus bag Include the display screen that mobile phone, electronics the Internet or the external world can receive wireless signal.

Further, described separable light guide plate can propagate light or laser, described separable light guide plate be PC or The material of PMMA or PS or PP is made.

Further, described resetting means includes spring.

The beneficial effects of the utility model are:

1. structure is simple, practical;

2. with low cost, it is suitable for popularization and application;

3. can interpolate that the rank that earthquake occurs;

4. alarm can be sent in advance to earthquake, it is to avoid or mitigate the disaster that earthquake causes, casualties and property are damaged Mistake is reduced to minimum level.

Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed Describe in detail bright.Specific embodiment of the present utility model is shown in detail in by following examples and its accompanying drawing.

Brief description

Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application, Schematic description and description of the present utility model is used for explaining this utility model, does not constitute to of the present utility model improper Limit.In the accompanying drawings:

A kind of optical fiber buried LASER Light Source earthquake alarming device structural representation that Fig. 1 is related to for this utility model;

Separable leaded light in a kind of optical fiber buried LASER Light Source earthquake alarming device that Fig. 2 is related to for this utility model Plate 7 structural representation.

In figure label declaration:Earthquake alarming device body 1, laser instrument 2, optical fiber 3, seismic wave shatters device 4, signal collection Device 5, intelligent alarm system 6, separable light guide plate 7, resetting means 8, seismic wave 9, fixing end 10, round end 11.

Specific embodiment

The utility model will be further described below in conjunction with the accompanying drawings:

Referring to figs. 1 to shown in Fig. 2, a kind of buried LASER Light Source earthquake alarming device of optical fiber, including earthquake alarming device Body 1, described earthquake alarming device body 1 includes laser instrument 2, optical fiber 3, seismic wave shatter device 4 and intelligent alarm system 6, Shatter device 4, intelligent alarm system 6 of described laser instrument 2, seismic wave is linked in sequence successively by optical fiber 3, described optical fiber 3 Length is more than 5 kilometers, and described optical fiber 3 is arranged in stainless steel pipes, and described intelligent alarm system 6 includes signal collector 5, The described seismic wave device 4 that shatters includes separable light guide plate 7, and described separable light guide plate 7 can be divided into 1-12 bar and arrange side by side Cloth, the separable light guide plate 7 described in each is provided with corresponding earthquake magnitude, each separable light guide plate 7 energy of described division Come separation, described separable light guide plate 7 is provided with resetting means 8 to enough dynamics according to earthquake, and described resetting means 8 can promote Separable light guide plate 7 resets after isolation, and described laser instrument 2 transmitting laser produces signal, and described laser or signal are along optical fiber 3 Propagate, described separable light guide plate 7 when running into earthquake or experiences generation separation during seismic wave 9, and described Laser Transmission is interrupted On can not be along optical fiber 3 transmission signal to signal collector 5, when described signal collector 5 receive signal or signal interruption, institute State intelligent alarm system 6 to report to the police, be then judged as earthquake, described signal collector 5 can receipt signal when, for normal non-spot Shake, described resetting means 8 can make separable light guide plate 7 repeatedly use.

Further, each of described division separable light guide plate 7 is divided into different stage, can receive different ground The separation that earthquake magnitude number brings, the corresponding different magnitude of each separable light guide plate 7 of described division, for example, first Separable light guide plate corresponds to first order earthquake series, and the separable light guide plate of Article 2 corresponds to second level earthquake series, and Article 3 can Separate light guide plate and correspond to third level earthquake series, in the event of three-level earthquake, first separable light guide plate and Article 2 can be divided Will separate from light guide plate, the separable light guide plate of Article 3 then will not separate.

Further, described resetting means 8 can be divided into adjustable resetting means and automatic reset device, described adjustable multiple Position device can reset separable light guide plate 7 between 1 second -1 minute in limited time, so that separable light guide plate 7 is connected, described from Dynamic resetting means also can be made separable light guide plate 7 connect.

Further, described separable light guide plate 7 is provided with fixing end 10 and round end 11, described fixing end 10 and rotation End 11 is all connected with optical fiber 3, and described round end 11 can make fixing end 10 and round end 11 rotation point of separable light guide plate 7 From, described fixing end 10 and round end 11 separate when, the signal that described laser instrument 2 produces in optical fiber 3 Transmission it is impossible to enough Transmit signals on signal collector 5.

Further, described resetting means 8 can make fixing end 10 and round end 11 reset and connect, described fixing end 10 and round end 11 when connecting, the signal that described laser instrument 2 produces transmits in optical fiber 3.

Further, described earthquake alarming device body 1 is arranged on earth's surface or above ground structure.

Further, described intelligent alarm system 6 can be connected with extraneous communication apparatus, described external world communication apparatus bag Include the display screen that mobile phone, electronics the Internet or the external world can receive wireless signal.

Further, described separable light guide plate 7 can propagate light or laser, described separable light guide plate 7 be PC or The material of PMMA or PS or PP is made.

Specific embodiment:

User uses a kind of buried LASER Light Source earthquake alarming device of optical fiber of this utility model, including earthquake alarming device Body 1, earthquake alarming device body 1 includes laser instrument 2, optical fiber 3, seismic wave shatter device 4 and intelligent alarm system 6, laser Device 2, seismic wave shatter device 4 and intelligent alarm system 6 is linked in sequence successively by optical fiber 3, and laser instrument 2 transmitting laser produces Signal, laser or signal are propagated along optical fiber 3, and when running into earthquake or when experiencing seismic wave 9, separable light guide plate 7 produces Separate, laser can not be along optical fiber 3 transmission signal to signal collector 5 on, Transmission, signal collector 5 does not receive signal Or during signal interruption, described intelligent alarm system 6 is reported to the police, meanwhile, because separable light guide plate 7 can be divided into 1-9 bar Laid out in parallel, the separable light guide plate 7 of each division is provided with corresponding earthquake magnitude, each separable light guide plate 7 of division Can be separated according to the dynamics of earthquake, the corresponding different magnitude of each separable light guide plate 7 of division, for example, the Article one, separable light guide plate correspondence first order earthquake series, Article 2 separable light guide plate correspondence second level earthquake series, the 3rd The separable light guide plate of bar corresponds to third level earthquake series, in the event of three-level earthquake, first separable light guide plate and Article 2 Separable light guide plate will separate, and the separable light guide plate of Article 3 then will not separate, and user separable can lead according to each The detached situation of tabula rasa 7 judges the rank that earthquake occurs, and meanwhile, separable light guide plate 7 is additionally provided with resetting means 8, and reset dress Putting 8 can promote separable light guide plate 7 to reset after isolation, so that separable light guide plate 7 is repeatedly used.

The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to In this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in change Or replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should described to weigh The protection domain that profit requires is defined.

Claims (8)

1. the buried LASER Light Source earthquake alarming device of a kind of optical fiber, including earthquake alarming device body(1)It is characterised in that: Described earthquake alarming device body(1)Including laser instrument(2), optical fiber(3), seismic wave shatters device(4)And intelligent alarm system (6), described laser instrument(2), seismic wave shatters device(4), intelligent alarm system(6)By optical fiber(3)It is linked in sequence successively, Described optical fiber(3)Length be more than 5 kilometers, described optical fiber(3)It is arranged in stainless steel pipes, described intelligent alarm system (6)Including signal collector(5), described seismic wave shatters device(4)Including separable light guide plate(7), described separable leaded light Plate(7)1-12 bar laid out in parallel can be divided into, the separable light guide plate described in each(7)It is provided with corresponding earthquake magnitude, institute State each separable light guide plate of division(7)Can be separated according to the dynamics of earthquake, described separable light guide plate(7)Setting There is resetting means(8), described resetting means(8)Separable light guide plate can be promoted(7)Reset after isolation, described laser instrument (2)Transmitting laser produces signal, and described laser or signal are along optical fiber(3)Propagate, described separable light guide plate(7)Running into ground During shake or experience seismic wave(9)When, produce separately, and described Laser Transmission is interrupted can not be along optical fiber(3)Transmission signal is received to signal Storage(5)On, described signal collector(5)When not receiving signal or signal interruption, described intelligent alarm system(6)Report to the police, Then it is judged as earthquake, described signal collector(5)Can receipt signal when, for normally there is not earthquake, described resetting means(8) Separable light guide plate can be made(7)Repeatedly use.
2. a kind of buried LASER Light Source earthquake alarming device of optical fiber according to claim 1 it is characterised in that:Described stroke The each separable light guide plate dividing(7)It is divided into different stage, the separation that different earthquake series bring can be received, described The each separable light guide plate dividing(7)The different magnitude of correspondence.
3. a kind of buried LASER Light Source earthquake alarming device of optical fiber according to claim 1 it is characterised in that:Described multiple Position device(8)Adjustable resetting means and automatic reset device can be divided into, described adjustable resetting means can be at 1 second -1 minute Between reset in limited time separable light guide plate(7), make separable light guide plate(7)Connect, described automatic reset device also can Made separable light guide plate(7)Connect.
4. a kind of buried LASER Light Source earthquake alarming device of optical fiber according to claim 1 it is characterised in that:Described can Separate light guide plate(7)It is provided with fixing end(10)And round end(11), described fixing end(10)And round end(11)All and optical fiber (3)Connect, described round end(11)Separable light guide plate can be made(7)Fixing end(10)And round end(11)Rotating separation, Described fixing end(10)And round end(11)When separating, described laser instrument(2)The signal producing is in optical fiber(3)Middle Transmission, Signal collector can not be transmitted signals to(5)On.
5. a kind of buried LASER Light Source earthquake alarming device of optical fiber according to claim 2 it is characterised in that:Described multiple Position device(8)Fixing end can be made(10)And round end(11)Reset connects, described fixing end(10)And round end(11) When connecting, described laser instrument(2)The signal producing is in optical fiber(3)Middle transmission.
6. a kind of buried LASER Light Source earthquake alarming device of optical fiber according to claim 1 it is characterised in that:Describedly Shake alarm device body(1)It is arranged on earth's surface or above ground structure.
7. a kind of buried LASER Light Source earthquake alarming device of optical fiber according to claim 1 it is characterised in that:Described intelligence Can warning system(6)Can be connected with extraneous communication apparatus, described external world communication apparatus includes mobile phone, electronics the Internet or outer Boundary can receive the display screen of wireless signal.
8. a kind of buried LASER Light Source earthquake alarming device of optical fiber according to claim 1 it is characterised in that:Described can Separate light guide plate(7)Light or laser, described separable light guide plate can be propagated(7)Material system for PC or PMMA or PS or PP Become.
CN201620524872.2U 2016-06-01 2016-06-01 Optic fibre underground laser lamp -house earthquake warning device CN205982655U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620524872.2U CN205982655U (en) 2016-06-01 2016-06-01 Optic fibre underground laser lamp -house earthquake warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620524872.2U CN205982655U (en) 2016-06-01 2016-06-01 Optic fibre underground laser lamp -house earthquake warning device

Publications (1)

Publication Number Publication Date
CN205982655U true CN205982655U (en) 2017-02-22

Family

ID=58020381

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620524872.2U CN205982655U (en) 2016-06-01 2016-06-01 Optic fibre underground laser lamp -house earthquake warning device

Country Status (1)

Country Link
CN (1) CN205982655U (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105824043A (en) * 2016-06-01 2016-08-03 漳浦县圆周率工业设计有限公司 Optical fiber-buried laser light source earthquake alarming device
CN108490481A (en) * 2018-05-18 2018-09-04 惠安县金建达电子科技有限公司 A kind of underground longitude and latitude monitoring device for geology field
CN108594298A (en) * 2018-05-18 2018-09-28 惠安县金建达电子科技有限公司 A kind of underground longitude and latitude monitoring device
CN108663725A (en) * 2018-05-18 2018-10-16 惠安县金建达电子科技有限公司 A kind of positioning laser aid
CN108680946A (en) * 2018-05-18 2018-10-19 惠安县金建达电子科技有限公司 One kind is accurately positioned based on GPS and the Big Dipper and calculates earthquake-predictive device and method
CN108680947A (en) * 2018-05-18 2018-10-19 惠安县金建达电子科技有限公司 A kind of device and its monitoring method for longitude and latitude monitoring
CN108732613A (en) * 2018-05-18 2018-11-02 惠安县金建达电子科技有限公司 A kind of laser depth calibrator
CN108761393A (en) * 2018-05-18 2018-11-06 惠安县金建达电子科技有限公司 A kind of underground longitude and latitude measuring device and method
CN108896006A (en) * 2018-05-18 2018-11-27 惠安县金建达电子科技有限公司 A kind of detection method of underground longitude and latitude
CN108917702A (en) * 2018-05-18 2018-11-30 惠安县金建达电子科技有限公司 A kind of subterranean depth longitude and latitude measuring device and method
CN108919346A (en) * 2018-05-18 2018-11-30 惠安县金建达电子科技有限公司 A kind of Earthquake signal detection device
CN108919341A (en) * 2018-05-18 2018-11-30 惠安县金建达电子科技有限公司 A kind of room miniature underground Jian Zhen
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

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105824043A (en) * 2016-06-01 2016-08-03 漳浦县圆周率工业设计有限公司 Optical fiber-buried laser light source earthquake alarming device
CN108732613A (en) * 2018-05-18 2018-11-02 惠安县金建达电子科技有限公司 A kind of laser depth calibrator
CN108594298A (en) * 2018-05-18 2018-09-28 惠安县金建达电子科技有限公司 A kind of underground longitude and latitude monitoring device
CN108663725A (en) * 2018-05-18 2018-10-16 惠安县金建达电子科技有限公司 A kind of positioning laser aid
CN108680946A (en) * 2018-05-18 2018-10-19 惠安县金建达电子科技有限公司 One kind is accurately positioned based on GPS and the Big Dipper and calculates earthquake-predictive device and method
CN108680947A (en) * 2018-05-18 2018-10-19 惠安县金建达电子科技有限公司 A kind of device and its monitoring method for longitude and latitude monitoring
CN108490481A (en) * 2018-05-18 2018-09-04 惠安县金建达电子科技有限公司 A kind of underground longitude and latitude monitoring device for geology field
CN108761393A (en) * 2018-05-18 2018-11-06 惠安县金建达电子科技有限公司 A kind of underground longitude and latitude measuring device and method
CN108896006A (en) * 2018-05-18 2018-11-27 惠安县金建达电子科技有限公司 A kind of detection method of underground longitude and latitude
CN108917702A (en) * 2018-05-18 2018-11-30 惠安县金建达电子科技有限公司 A kind of subterranean depth longitude and latitude measuring device and method
CN108919346A (en) * 2018-05-18 2018-11-30 惠安县金建达电子科技有限公司 A kind of Earthquake signal detection device
CN108919341A (en) * 2018-05-18 2018-11-30 惠安县金建达电子科技有限公司 A kind of room miniature underground Jian Zhen
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

Similar Documents

Publication Publication Date Title
Bilham A flying start, then a slow slip
CN203204743U (en) Mobile external-damage-preventive remote monitoring device of electric transmission line
CN203204791U (en) Multiparameter landslide and mud-rock flow monitoring early warning system
Kanamori et al. Real-time seismology and earthquake hazard mitigation
CN106019364B (en) Process of coal mining insole board gushing water early warning system and method
CN102175929B (en) System for integrally, synchronously and comprehensively observing lightning electromagnetic signals
CN103472342B (en) Lightning monitoring method for early warning and system
CN103978996A (en) High speed railway environmental information collection, assessment and early warning device and method
CN202711405U (en) Multipoint grading fire intelligent monitoring alarm system
CN104990492B (en) The equipment monitored for submarine landslide
Hsiao et al. A new prototype system for earthquake early warning in Taiwan
CN101787897A (en) System and method for predicting coal and gas outburst risk of mine in real time
CN103278842B (en) Earthquake predicting and pre-warning system based on ground source ultrasonic wave monitoring and analysis
CN101476489B (en) Mining disaster-avoiding command and evacuation indication method and system
CN1685377A (en) Sensor apparatus and method for detecting earthquake generated P-waves and generating a responsive control signal
Brogan et al. Late Quaternary faulting along the Death Valley-Furnace Creek fault system, California and Nevada
Nakamura et al. UrEDAS, the earthquake warning system: Today and tomorrow
CN201753617U (en) Portable harmful gas sensing module for mines
CN202110788U (en) Multifunctional intelligent road sign
CN203552399U (en) Tower inclination monitoring device based on GPS and four-dimensional data mining
CN102506991B (en) Distributed urban environment noise real-time automatic monitoring system
CN203283810U (en) Underground belt conveyor detecting system based on image processing technique
CN103362552A (en) Distributed optical fiber grating anchor rod group stress monitoring system for coal mine roadway
CN101794432A (en) Disaster information collection and supporting method and system
CN204101112U (en) Based on the intelligent gas-meter system of STM32

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20170222

Effective date of abandoning: 20180227

AV01 Patent right actively abandoned