CN205665842U - Optical fiber sensing slope monitoring early warning system - Google Patents
Optical fiber sensing slope monitoring early warning system Download PDFInfo
- Publication number
- CN205665842U CN205665842U CN201620456921.3U CN201620456921U CN205665842U CN 205665842 U CN205665842 U CN 205665842U CN 201620456921 U CN201620456921 U CN 201620456921U CN 205665842 U CN205665842 U CN 205665842U
- Authority
- CN
- China
- Prior art keywords
- monitoring module
- monitoring
- grating
- early warning
- fiber
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 80
- 239000013307 optical fiber Substances 0.000 title claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 48
- 230000003287 optical effect Effects 0.000 claims description 28
- 230000003068 static effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 230000003204 osmotic effect Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000011156 evaluation Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 10
- 230000002706 hydrostatic effect Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Emergency Alarm Devices (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model provides an optical fiber sensing slope monitoring early warning system, including rock fall monitoring module, saturation line monitoring module, deformation monitoring module, video monitoring module, distributed optical fiber strain analysis appearance, optic fibre perimeter security protection analysis appearance, fiber grating demodulation appearance, monitoring module 0, industrial computer, monitoring module 1, WEB monitoring module 2 system. The utility model discloses a rock fall monitoring module, saturation line monitoring module, monitoring module warp, video monitoring module is with the demodulation host computer of sensing data through corresponding, and with demodulation data transmission to remote server, remote server receives and saves the data that the on -site supervision subsystem was uploaded, produce the assessment report, monthly report and emergent events report, and produce maintenance management repair guiding opinion and maintain implementation, the WEB information issuing system carries out corresponding early warning according to the security evaluation result, the monitoring data is more comprehensive, and has an early warning issue ability, can provide real -time supervision and alarm information for the policymaker.
Description
Technical field
This utility model relates to slope project safety monitoring technology field, specifically a kind of Fibre Optical Sensor slope monitoring early warning
System.
Background technology
The conditions of existence of the stable decision mankind of side slope and living environment, their deformation and unstability all can give the life of the mankind
Life and property cause the disaster of substantivity, and according to incompletely statistics, the direct losses causing China's economy that come down nearly ten years reach
2500000000-40 hundred million yuan.Slope and land slide has caused global very big concern, and various monitoring technology also continue to bring out.
China, after Distributed Optical Fiber Sensing Techniques is applied to landslide monitoring and accomplishes tangible results by 2004 years first, causes
The extensive concern that Distributed Optical Fiber Sensing Techniques is applied in slope monitoring by domestic scholars.
But, existing slope monitoring system typically has and specifically detects function, such as Rolling Stone monitoring or saturation
Monitoring, so can only obtain the partial status data of side slope, and it does not take into full account the actual features of engineering, it is impossible to the most accurate
The current state of ground reflection side slope, and existing slope monitoring system only has data acquisition, does not has early warning issue capability, does not possesses
There is provided instant messaging services for production safety managements at different levels, the ability of scientific information is provided for policymaker.
Summary of the invention
For deficiencies of the prior art, this utility model provides a kind of Fibre Optical Sensor slope monitoring early warning system
System, can carry out omnibearing Rolling Stone monitoring, saturation monitoring, deformation monitoring and video surveillance to side slope, and Monitoring Data is more
Comprehensively, and there is early warning issue capability, can be that policymaker provides monitoring and warning information in real time.
A kind of Fibre Optical Sensor slope monitoring and early warning system, including Rolling Stone monitoring modular, saturation monitoring modular, deformation monitoring
Module, video surveillance module, distributive fiber optic strain analyser, optical fiber perimeter security protection analyser, fiber Bragg grating (FBG) demodulator, hard disk
Videocorder, industrial computer, remote server, WEB information issuing system, Rolling Stone monitoring modular includes being arranged on side slope protection fence
On straining sensing optical cable and distributed vibrating sensing optical cable, straining sensing optical cable and distributed vibrating sensing optical cable respectively with point
Cloth fibre strain analyser and optical fiber perimeter security protection analyser connect, and described saturation monitoring modular is that at least two is embedded in
The Fiber bragg grating osmometer of side slope different depth, described deformation monitoring module includes the light being connected with fiber Bragg grating (FBG) demodulator
Fine grating inclinator and optical fiber grating static water level, video surveillance module is the video camera being connected with DVR, distribution
Formula fibre strain analyser, optical fiber perimeter security protection analyser, fiber Bragg grating (FBG) demodulator, DVR are connected with industrial computer, work
Control machine is connected with remote server by communication network, and remote server is connected with WEB information issuing system.
Further, at least two Fiber bragg grating osmometer is embedded in side slope different depth by pressure-measuring pipe.
Further, multiple fiber grating inclinators are arranged in the boring of flaw-piece, between adjacent two grating inclinators
Connected by connecting tube.
This utility model passes through on-site supervision subsystem, i.e. Rolling Stone monitoring modular, saturation monitoring modular, deformation monitoring mould
Sensing data is passed through corresponding demodulation main frame (distributive fiber optic strain analyser, optical fiber perimeter security protection by block, video surveillance module
Analyser, fiber Bragg grating (FBG) demodulator, DVR) it is demodulated, and demodulating data is transmitted to remote server, remotely take
Business device receives and stores the data that on-site supervision subsystem is uploaded, and produces assessment report, monthly report and accident report, and
Producing the suggestion of maintenance management maintenance direction and maintenance is implemented, WEB information issuing system carries out corresponding pre-according to security evaluation result
Alert, when the safe condition of building occurs extremely to trigger sound and light alarm and SMS alarm, and Monitoring Data is more compared to existing technology
For comprehensively, and there is early warning issue capability, can be that policymaker provides monitoring and warning information in real time.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model Fibre Optical Sensor slope monitoring and early warning system；
Fig. 2 is the scheme of installation carrying out Rolling Stone prison Time Measurement Unit in this utility model；
Fig. 3 is the scheme of installation carrying out saturation prison Time Measurement Unit in this utility model；
Fig. 4 is the scheme of installation of the prison Time Measurement Unit carrying out horizontal displacement in this utility model.
In figure: 11 straining sensing optical cables, 12 distributed vibrating sensing optical cables, 13 side slope protection fence, 14 grid
Hurdle stake, 15 soil or concrete, 21 Fiber bragg grating osmometers, 22 pressure-measuring pipes, 23 saturations, 31 optical fiber
Grating inclinator, 32 optical fiber grating static water levels, 33 guide wheels, 34 inclinometer pipes, 35 backfill things, 36 connecting tubes,
41 video cameras, 5 distributive fiber optic strain analysers, 6 optical fiber perimeter security protection analysers, 7 fiber Bragg grating (FBG) demodulators,
8 DVRs, 9 industrial computers, 10 remote servers, 20 WEB information issuing systems.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is carried out clearly and completely
Describe.
Fig. 1 show the structural representation of this utility model Fibre Optical Sensor slope monitoring and early warning system, described Fibre Optical Sensor
Slope monitoring and early warning system include Rolling Stone monitoring modular, saturation monitoring modular, deformation monitoring module, video surveillance module this four
Individual monitoring modular and the most corresponding analyser connected and video storage device.
Incorporated by reference to reference to Fig. 2, described Rolling Stone monitoring modular includes straining sensing optical cable 11 and distributed vibrating sensing optical cable
12, straining sensing optical cable 11 and distributed vibrating sensing optical cable 12 respectively with distributive fiber optic strain analyser 5 and optical fiber perimeter
Security protection analyser 6 connects.
Side slope protection fence 13, on the one hand for stopping that the Rolling Stone of side slope smashes means of transportation, one are installed on side slope surface
Aspect is for transmitting Rolling Stone impact guardrail because of its vibration.Side slope protection fence 13 is installed twice distributed vibrating sensing light
Cable 12, installs one straining sensing optical cable 11 bottom side slope protection fence 13.Impact at side slope protection fence 13 when there being Rolling Stone
Time, the vibration that impact produces is transmitted to distributed vibrating sensing optical cable 12 by side slope protection fence 13.Straining sensing optical cable 11 energy
The fence that enough accumulation of monitoring Rolling Stone produces deforms and the surface displacement of side slope.Straining sensing optical cable 11 and distributed vibrating sensing light
Cable 12 sends vibration and the displacement data of monitoring to distributive fiber optic strain analyser 5 and optical fiber perimeter security protection analyser respectively
6, it is achieved the on-line monitoring of rockfall.
Described saturation monitoring modular is Fiber bragg grating osmometer 21, Fiber bragg grating osmometer 21 and optical fiber light
Grid (FBG) demodulator 7 connects, and incorporated by reference to reference to Fig. 3, at least two Fiber bragg grating osmometer 21 is embedded in limit by pressure-measuring pipe 22
Slope different depth, pressure-measuring pipe 22 degree of depth (some position buried depth) should determine with reference to the actual pore water pressure degree of depth.By installing pressure-measuring pipe
22 and Fiber bragg grating osmometer 21 level of ground water is monitored, drawn out by the Monitoring Data of multiple sensors
The saturation 23 of side slope.Monitoring site lateral arrangement is preferably selected in representative and can control main seepage flow situation region, the most not
Less than 2, and combine with displacement monitoring section as far as possible.
Described deformation monitoring module includes fiber grating inclinator 31 and optical fiber grating static water level 32, wherein optical fiber light
Pitch of shed instrument 31 is for carrying out the monitoring of horizontal displacement, and optical fiber grating static water level 32 is used for carrying out surface subsidence monitoring, light
Fine grating inclinator 31 and optical fiber grating static water level 32 are connected with fiber Bragg grating (FBG) demodulator 7.
Wherein horizontal displacement monitoring is to use many inclination layers monitoring mode, by calculating the displacement of every layer, is finally summed into
The horizontal displacement on inside/top, as shown in Figure 4.First holing in slope monitoring position, drilling depth is to high slope internal stability
Position (position that i.e. soil property is harder), loads fiber grating inclinator 31 the most in the borehole, using bottom point as solid
Fixed point, thus monitor the heeling condition within edge slope structure.Installing multiple fiber grating inclinators 31 in boring can be more
Monitoring dam body internal modification situation accurately, is connected by connecting tube 36 between adjacent two grating inclinators 31.Light pitch of shed
Instrument 31 both sides are provided with guide wheel 33, it is simple to grating inclinator 31 inserts the backfill thing 35 of boring smoothly.
Optical fiber grating static water level 32 is the principle utilizing connection liquid, and the liquid level of multiple hydrostatic levels and fluid reservoir is total
It is in same level, by measuring the liquid level of each hydrostatic level, it can be deduced that each hydrostatic level relative
Relative settlement.Settlement observation point is set on flaw-piece according to practical situation, makes observation concrete base station in observation station, by optical fiber
Grating static level 32 is installed on base station, by fluid connection pipe, the hydrostatic level of each observation station is connected, and adjusts
The height of whole hydrostatic level, guarantees that hydrostatic level is in consistent height as far as possible.
Video surveillance module is video camera 41, and video camera 41 is connected with DVR 8, selects several to regard in side slope
Frequently observation station, is used for assisting slope monitoring.Video observation can be directly viewable field condition, when Rolling Stone monitoring plate is reported to the police, and can
Check Rolling Stone size and fence impact state to be assisted by video, can check simultaneously side slope equipment whether suffer nature or
Artificial destruction.
As it is shown in figure 1, it is distributive fiber optic strain analyser 5, optical fiber perimeter security protection analyser 6 fiber Bragg grating (FBG) demodulator 7, hard
Dish videocorder 8 is connected with industrial computer 9, by the hurdle deformation recorded and surface displacement data (Rolling Stone Monitoring Data) underground of side slope
Waterlevel data (saturation Monitoring Data), horizontal displacement data, ground settlement data (deformation measurement data) and video monitoring
Data are sent to industrial computer 9, and industrial computer 9 is connected with remote server 10 by communication network (such as 3G cordless communication network),
Remote server 10 is connected with WEB information issuing system 20, and such Rolling Stone Monitoring Data, saturation Monitoring Data, saturation are supervised
Survey module, deformation measurement data, video monitoring data are ultimately transmitted remote server 10 and carry out the display in real time of data, divide
Data are carried out all kinds of analyzing and processing, mainly have: the statistical analysis of data, structural parameter identification, the security evaluation etc. of structure by analysis
Function, proposes with report form faulty equipment element, and prompting checks or keeps in repair, by WEB information issuing system 20
Cloth monitors information in real time, simultaneously when detecting data and exceeding danger threshold, sends pre-also by WEB information issuing system 20
Alarming information, provides monitoring and warning information in real time for production safety managements at different levels.
Claims (3)
1. a Fibre Optical Sensor slope monitoring and early warning system, it is characterised in that: include that Rolling Stone monitoring modular, saturation monitor mould
Block, deformation monitoring module, video surveillance module, distributive fiber optic strain analyser (5), optical fiber perimeter security protection analyser (6), light
Fine grating demodulation instrument (7), DVR (8), industrial computer (9), remote server (10), WEB information issuing system (20), rolling
Stone monitoring modular includes the straining sensing optical cable (11) that is arranged on side slope protection fence (13) and distributed vibrating sensing optical cable
(12), straining sensing optical cable (11) and distributed vibrating sensing optical cable (12) respectively with distributive fiber optic strain analyser (5) and
Optical fiber perimeter security protection analyser (6) connects, and described saturation monitoring modular is the light that at least two is embedded in side slope different depth
Fine grating osmotic pressure sensor (21), Fiber bragg grating osmometer (21) is connected with fiber Bragg grating (FBG) demodulator (7), described deformation prison
Survey fiber grating inclinator (31) and optical fiber grating static water level that module includes being connected with fiber Bragg grating (FBG) demodulator (7)
(32), video surveillance module is the video camera (41) being connected with DVR (8), distributive fiber optic strain analyser (5), light
Fine circumference security protection analyser (6), fiber Bragg grating (FBG) demodulator (7), DVR (8) are connected with industrial computer (9), industrial computer (9)
Being connected with remote server (10) by communication network, remote server (10) is connected with WEB information issuing system (20).
2. Fibre Optical Sensor slope monitoring and early warning system as claimed in claim 1, it is characterised in that: at least two fiber grating oozes
Pressure sensor (21) is embedded in side slope different depth by pressure-measuring pipe (22).
3. Fibre Optical Sensor slope monitoring and early warning system as claimed in claim 1, it is characterised in that: multiple fiber grating inclinators
(31) it is arranged in the boring of flaw-piece, is connected by connecting tube (36) between adjacent two grating inclinators (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620456921.3U CN205665842U (en) | 2016-05-19 | 2016-05-19 | Optical fiber sensing slope monitoring early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620456921.3U CN205665842U (en) | 2016-05-19 | 2016-05-19 | Optical fiber sensing slope monitoring early warning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205665842U true CN205665842U (en) | 2016-10-26 |
Family
ID=57160856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620456921.3U Expired - Fee Related CN205665842U (en) | 2016-05-19 | 2016-05-19 | Optical fiber sensing slope monitoring early warning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205665842U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289601A (en) * | 2016-11-03 | 2017-01-04 | 南京派光信息技术有限公司 | The Slope Sliding monitoring system measured based on distributed optical fiber stress |
| CN106370124A (en) * | 2016-11-03 | 2017-02-01 | 南京派光信息技术有限公司 | Active network deformation monitoring system based on distributed stress measurement |
| CN108387989A (en) * | 2018-01-23 | 2018-08-10 | 广东电网有限责任公司清远供电局 | The underground laying of stress optical cable and guard method for substation's foundation displacement monitoring |
| CN108877450A (en) * | 2018-07-18 | 2018-11-23 | 中国路桥工程有限责任公司 | A kind of experimental provision measuring rockfall motion feature |
| CN109253759A (en) * | 2018-10-23 | 2019-01-22 | 上海电器科学研究所（集团）有限公司 | A kind of pipe gallery health monitoring systems based on fiber grating |
| CN109356565A (en) * | 2018-12-07 | 2019-02-19 | 西安科技大学 | A kind of weak seam concordant drilling collapse hole position identification device and method |
| CN109785585A (en) * | 2019-01-31 | 2019-05-21 | 山东盛隆安全技术有限公司 | Based on optical fiber sensing network monitoring and pre-warning system and method |
| CN110095176A (en) * | 2019-03-29 | 2019-08-06 | 石家庄铁道大学 | A kind of safety monitoring slope method, system and terminal device |
| CN110377050A (en) * | 2019-07-03 | 2019-10-25 | 长沙理工大学 | A kind of perimeter security system of combination multiple no-manned plane and optical fiber technology |
| CN110473385A (en) * | 2019-07-30 | 2019-11-19 | 中石化石油工程技术服务有限公司 | Oil-gas pipeline Geological Hazards Monitoring early warning system |
| CN111561875A (en) * | 2020-06-18 | 2020-08-21 | 北交智汇千路(北京)科技有限公司 | Side slope structure safety monitoring system and method based on distributed sensing optical cable |
| CN111637862A (en) * | 2020-05-22 | 2020-09-08 | 宁波冶金勘察设计研究股份有限公司 | Settlement monitoring device |
| CN112254660A (en) * | 2020-09-14 | 2021-01-22 | 中铁七局集团有限公司 | Tunnel intelligent monitoring and measuring information integration and early warning system |
| CN112525329A (en) * | 2020-12-14 | 2021-03-19 | 南京大学 | Double-parameter slope monitoring system based on distributed optical fiber sensing |
| CN114252107A (en) * | 2021-12-22 | 2022-03-29 | 河南省国安建筑工程质量检测有限公司 | Beam type structure quality monitoring system using optical fiber sensing |
-
2016
- 2016-05-19 CN CN201620456921.3U patent/CN205665842U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370124A (en) * | 2016-11-03 | 2017-02-01 | 南京派光信息技术有限公司 | Active network deformation monitoring system based on distributed stress measurement |
| CN106289601A (en) * | 2016-11-03 | 2017-01-04 | 南京派光信息技术有限公司 | The Slope Sliding monitoring system measured based on distributed optical fiber stress |
| CN108387989B (en) * | 2018-01-23 | 2023-09-01 | 广东电网有限责任公司清远供电局 | Stress optical cable underground laying and protecting method for monitoring foundation displacement of transformer substation |
| CN108387989A (en) * | 2018-01-23 | 2018-08-10 | 广东电网有限责任公司清远供电局 | The underground laying of stress optical cable and guard method for substation's foundation displacement monitoring |
| CN108877450A (en) * | 2018-07-18 | 2018-11-23 | 中国路桥工程有限责任公司 | A kind of experimental provision measuring rockfall motion feature |
| CN109253759A (en) * | 2018-10-23 | 2019-01-22 | 上海电器科学研究所（集团）有限公司 | A kind of pipe gallery health monitoring systems based on fiber grating |
| CN109356565A (en) * | 2018-12-07 | 2019-02-19 | 西安科技大学 | A kind of weak seam concordant drilling collapse hole position identification device and method |
| CN109356565B (en) * | 2018-12-07 | 2023-10-10 | 西安科技大学 | Soft coal seam is along layer drilling hole collapse position recognition device |
| CN109785585A (en) * | 2019-01-31 | 2019-05-21 | 山东盛隆安全技术有限公司 | Based on optical fiber sensing network monitoring and pre-warning system and method |
| CN110095176A (en) * | 2019-03-29 | 2019-08-06 | 石家庄铁道大学 | A kind of safety monitoring slope method, system and terminal device |
| CN110377050A (en) * | 2019-07-03 | 2019-10-25 | 长沙理工大学 | A kind of perimeter security system of combination multiple no-manned plane and optical fiber technology |
| CN110473385A (en) * | 2019-07-30 | 2019-11-19 | 中石化石油工程技术服务有限公司 | Oil-gas pipeline Geological Hazards Monitoring early warning system |
| CN111637862A (en) * | 2020-05-22 | 2020-09-08 | 宁波冶金勘察设计研究股份有限公司 | Settlement monitoring device |
| CN111561875A (en) * | 2020-06-18 | 2020-08-21 | 北交智汇千路(北京)科技有限公司 | Side slope structure safety monitoring system and method based on distributed sensing optical cable |
| CN112254660A (en) * | 2020-09-14 | 2021-01-22 | 中铁七局集团有限公司 | Tunnel intelligent monitoring and measuring information integration and early warning system |
| CN112525329A (en) * | 2020-12-14 | 2021-03-19 | 南京大学 | Double-parameter slope monitoring system based on distributed optical fiber sensing |
| CN112525329B (en) * | 2020-12-14 | 2022-06-14 | 南京大学 | Double-parameter slope monitoring system based on distributed optical fiber sensing |
| CN114252107A (en) * | 2021-12-22 | 2022-03-29 | 河南省国安建筑工程质量检测有限公司 | Beam type structure quality monitoring system using optical fiber sensing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205665842U (en) | Optical fiber sensing slope monitoring early warning system | |
| KR102124546B1 (en) | Management and warning system of falling rock and soil and stone measure facilities to be communicated with the slope warning device | |
| RU2630334C2 (en) | System of dynamic controlling roof-based separation based on fiber grating and method of preliminary alert | |
| CN208225263U (en) | A kind of safety monitoring slope acquisition system based on Internet of Things big data | |
| CN104655101B (en) | High Precision Traverses formula tunneling boring stability of slope monitoring and warning system and its monitoring method | |
| CN204177381U (en) | A kind of fiber bragg grating inclinometer device | |
| KR102322975B1 (en) | Reinforcing method for slope | |
| CN105091951A (en) | Deformation monitoring and state early-warning method for hydraulic structure of sluice station | |
| CN105806311B (en) | A kind of optical fiber slope dam is displaced sedimentation monitoring system | |
| CN203838856U (en) | Railway roadbed apparatus monitoring and early warning system | |
| CN205593565U (en) | Tunnel engineering life -cycle monitoring devices | |
| CN106323223B (en) | Highway cutting slope deformation monitoring and early warning system | |
| US20240045063A1 (en) | Iot-based groundwater monitoring system using lidar sensor technology | |
| CN109459094B (en) | Grating displacement testing system and method based on ten-axis sensor | |
| CN113155186A (en) | Dam safety monitoring management equipment and system thereof | |
| CN111981967A (en) | Remote visual monitoring system for landslide deep displacement | |
| CN204479065U (en) | A kind of High Precision Traverses formula tunneling boring stability of slope monitor and early warning system | |
| CN211604275U (en) | Wireless transmission type landslide disaster monitoring device | |
| KR101182414B1 (en) | Apparatus and method for predicting landslides using multipoint temperature monitoring | |
| CN101858987A (en) | Collapse monitoring device based on omnibearing tilt sensor | |
| CN215906867U (en) | Mountain area high slope stability monitoring and early warning system | |
| KR102305464B1 (en) | Landslide detecting module of field erection based on deep learning | |
| KR102315081B1 (en) | Automatic measuring system for interconnecting with mobile | |
| CN214169186U (en) | Foundation pit horizontal displacement and vertical settlement monitoring device | |
| CN209102148U (en) | Grid displacement test system based on ten axle sensors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 |