CN105828040A - Arch dam monitoring system based on Internet of things - Google Patents
Arch dam monitoring system based on Internet of things Download PDFInfo
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- CN105828040A CN105828040A CN201610208510.7A CN201610208510A CN105828040A CN 105828040 A CN105828040 A CN 105828040A CN 201610208510 A CN201610208510 A CN 201610208510A CN 105828040 A CN105828040 A CN 105828040A
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- arch dam
- monitoring
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- zigbee
- monitoring system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses an arch dam monitoring system based on Internet of things, and belongs to the technical field of a hydropower equipment safety monitoring system. The monitoring system comprises monitoring terminals, coordinators, routers and ZigBee wireless network nodes. The ZigBee wireless network nodes are distributed on an arch dam at equal intervals. Each ZigBee wireless network node comprises a ZigBee module, a deformation monitoring unit, a control unit and an image acquisition unit. Each image acquisition unit comprises an image shooting module, an image transmission module and an image storage module. Each image transmission module comprises a first dual-convex lens with a focal length of f1 and a second single-convex lens with a focal length of f2, wherein at least one surface of the first dual-convex lens and the second single-convex lens is provided with a binary diffraction optical structure, and the ratio of f1 to f2 is 0.25 to 1.36. According to the invention, deformation of the arch dam is monitored by use of a ZigBee wireless mode, the power consumption is low, the application is convenient, the expansibility is high, and the application prospect is good.
Description
Technical field
The present invention relates to a kind of arch dam monitoring system based on Internet of Things, belong to hydroelectric facility safety monitoring system technical field.
Background technology
The mankind build arch dam and have a long history.Before one, 2,000 years, people just have appreciated that arch structure has the stronger ability retaining current.In recent decades, China has built many arch dams, accounts for the last 1/4 of the whole world built arch dam sum, the Chinese yunnan Xiaowan Hydropower Station that in August, 2010 builds up, has become as the highest arch dam.Along with being continuously increased of height of dam, the security performance of dam body is just particularly important.
Application No. 201320121690.7, the utility model in filing date on March 17th, 2013 provides the robot monitoring system of a kind of deformation inside dam, including: it is embedded in monitoring pipeline that is within dam and that deform with deformation inside dam, in one walks in this monitoring pipeline and for monitoring robot measurement and an external monitoring systems of deformation inside dam, information transfer channel it is configured with between robot measurement and external monitoring systems, wherein, described monitoring pipeline includes: an inner horizontal inclination measurement dedicated track, its outer end and dam datum mark are fixed and as the datum mark of vertical sedimentation displacement；And several are arranged at the horizontal displacement point equipment of described monitoring pipeline external；Described robot measurement is equipped with multiple measurement apparatus and walks at described monitoring pipeline internal controllably and detect described deformation inside dam situation in real time.The monitoring system of this utility model provides a kind of directly metering system, it is ensured that the accuracy of monitoring, real-time, overcomes and indirectly measures the error brought.
Application No. 201310443377.X, filing date in JIUYUE, 2013 application for a patent for invention of 23 days belongs to displacement measuring technology field, refer to a kind of arch dam deformation three-D displacement automatic monitoring method, it is that arch dam is divided into n section, record the three-D displacement value at the 1st section of end points, and monitor the every section of end points three dimensional change amount relative to upper end point, the three-D displacement value at all segment end points can be sought according to transfer principle.This invention is simple, feasible, be easy to engineering construction and meet Practical Project monitoring needs, and the three-D displacement automatic monitoring for arch dam provides a kind of effective means, solves original measuring method and can only monitor one-dimensional or two-dimentional defect.It addition, the method combines the deformation of actual dam body, on the premise of ensureing to measure effectiveness and certainty of measurement, eliminate the corner parameter monitoring at measuring point platform position, optimize process of measurement, simplify measurement apparatus, improve Measurement reliability and reduce measurement cost.
Application No. 201410070397.1, the application for a patent for invention in filing date on February 28th, 2014 discloses a kind of full deformation monitoring method of arch dam, it is characterized in that a certain section of arch dam different elevations gallery or observation in monitoring instrument is set, described monitoring instrument includes vertical line monitor and inclination monitor, and one_to_one corresponding is arranged；By the Monitoring Result of inclination monitor device, calculate the deformation that top, position, monitoring point dam body is corresponding during vertical line is not yet installed, with this, vertical line Monitoring Result of arch dam segmentation is modified, thus obtain the actual full deformation of arch dam.This invention successfully solves arch dam reality and entirely deforms the problem that cannot monitor, and has been successfully applied to hydroelectric project, achieves good effect, practical.The present invention changes China's arch dam safety Monitoring Design and monitoring method, has market prospect and promotional value widely in arch dam.
Summary of the invention
The present invention proposes a kind of arch dam monitoring system based on Internet of Things, uses ZigBee wireless communication networks, arch dam realizes monitoring in 24 hours, finds deformation hidden danger in time, and reduce monitoring cost.
The present invention solves that its technical problem adopts the following technical scheme that
A kind of arch dam monitoring system based on Internet of Things, including monitoring terminal, coordinator, router, ZigBee wireless network node, each router connects n ZigBee wireless network node, and m router is connected with monitoring terminal by coordinator, n and m is the natural number more than 1；Each ZigBee wireless network node is equally distributed on arch dam, all includes ZigBee module, and the outfan of described ZigBee module is connected with antenna by antenna transceiver, and described antenna communicates wirelessly with residing router；
Described ZigBee wireless network node also includes deformation monitoring unit, control unit and image acquisition units, described deformation monitoring unit, control unit and image acquisition units are connected with ZigBee module respectively, whether described deformation monitoring unit arch dam at monitoring node there is deformation, described control unit is for receiving the information of deformation monitoring unit and sending instruction to image acquisition units, and described image acquisition units shoots after the instruction receiving control unit, transmits, preserves arch dam strain image at node；
Described image acquisition units includes image taking module, image transmission module and image storage module, described image transmission module includes the first lenticular lens that focal length is f1, focal length is second single convex lens of f2, having Binary Diffractive Optics structure at least one surface of described first lenticular lens and second single convex type lens, f1/f2 ratio is 0.25-1.36.
As a preferred technical solution of the present invention: described coordinator is connected by RS232 serial ports with monitoring terminal.
As a preferred technical solution of the present invention: described ZigBee module is CC2530 module.
As a preferred technical solution of the present invention: described coordinator uses the CC2530 chip of TI company.
As a preferred technical solution of the present invention: described control unit uses embedded-type ARM 7 chip.
A kind of arch dam monitoring system based on Internet of Things of the present invention, uses above technical scheme compared with prior art, has following technical effect that
1, the present invention may utilize the monitoring arch dam deformation of ZigBee wireless communication networks, arch dam realizes monitoring in 24 hours, finds deformation position in time, thus safeguard arch dam in time, it is to avoid the generation of unnecessary security incident.
2, the image transmission module of the present invention includes that focal length is the lenticular lens of f1 first, focal length is second single convex lens of f2, and first lenticular lens and second single convex type lens at least one surface on there is Binary Diffractive Optics structure, f1/f2 ratio is 0.25-1.36, system aberration can be eliminated, improve the resolution of image.
3, native system is low in energy consumption, easy to use, autgmentability is high, and improves the accuracy of monitoring.
Detailed description of the invention
Below the invention is described in further details.
A kind of arch dam monitoring system based on Internet of Things, including monitoring terminal, coordinator, router, ZigBee wireless network node, each router connects n ZigBee wireless network node, and m router is connected with monitoring terminal by coordinator, n and m is the natural number more than 1；Each ZigBee wireless network node is equally distributed on arch dam, all includes ZigBee module, and the outfan of described ZigBee module is connected with antenna by antenna transceiver, and described antenna communicates wirelessly with residing router；
Described ZigBee wireless network node also includes deformation monitoring unit, control unit and image acquisition units, described deformation monitoring unit, control unit and image acquisition units are connected with ZigBee module respectively, whether described deformation monitoring unit arch dam at monitoring node there is deformation, described control unit is for receiving the information of deformation monitoring unit and sending instruction to image acquisition units, and described image acquisition units shoots after the instruction receiving control unit, transmits, preserves arch dam strain image at node；
Described image acquisition units includes image taking module, image transmission module and image storage module, described image transmission module includes the first lenticular lens that focal length is f1, focal length is second single convex lens of f2, having Binary Diffractive Optics structure at least one surface of described first lenticular lens and second single convex type lens, f1/f2 ratio is 0.25-1.36.
As a preferred technical solution of the present invention: described coordinator is connected by RS232 serial ports with monitoring terminal.
As a preferred technical solution of the present invention: described ZigBee module is CC2530 module.
As a preferred technical solution of the present invention: described coordinator uses the CC2530 chip of TI company.
As a preferred technical solution of the present invention: described control unit uses embedded-type ARM 7 chip.
The image transmission module of the present invention includes that focal length is the lenticular lens of f1 first, focal length is second single convex lens of f2, and first lenticular lens and second single convex type lens at least one surface on there is Binary Diffractive Optics structure, f1/f2 ratio is 0.25-1.36, system aberration can be eliminated, improve the resolution of image.
The eyeglass of the present invention is in addition to including single convex aspherical lens and biconvex aspherical lens, the mylar film for stopping or absorb reflection light it is additionally provided with between above-mentioned two eyeglass, and it is positioned at the optical filter at eyeglass rear portion, and in order to eliminate the air gap between eyeglass and optical filter, between eyeglass and optical filter, also it is equipped with ring between mirror.
It is preferably provided with Binary Diffractive Optics structure, for eliminating system aberration further at least one surface of the first lenticular lens of the present invention and second single convex type lens.The curvature design of described biconvex aspherical lens can make light obtain apparent focus point after passing through this eyeglass, especially in the middle of depressed part can make corrections the aberration of image and dispersion, thus improve the resolution of whole image.Additionally, the material behavior that the brightness of camera lens and eyeglass are used also has relation, such as refractive index, the light transmittance of material, the eyeglass of the present invention all uses the resin dedicated material of Imported High-performance optics, such as ZEONEX-480R, OKP4HT.
The present invention uses ZigBee wireless communication networks, and arch dam realizes monitoring in 24 hours.
ZigBee is a kind of highly reliable wireless data sending network, is similar to CDMA and GSM network.ZigBee digital transmission module is similar to mobile network base station.Communication distance from the 75m of standard to hundreds of rice, several kilometers, and support infinite expanding.ZigBee be one by can the wireless data sending network platform forming of more to 65000 wireless data transmission modules, in whole network range, can be in communication with each other between each ZigBee-network digital transmission module, the distance between each network node can be from the 75m infinite expanding of standard.
The feature of ZigBee be closely, low complex degree, self-organizing, low-power consumption, low data rate.It is mainly suitable for, for automatically controlling and remote control field, various equipment to be embedded.In brief, ZigBee is exactly a kind of cheap, the near radio networking mechanics of communication of low-power consumption.ZigBee is the wireless network protocol of a kind of low speed short-distance transmission.Zigbee protocol is respectively physical layer (PHY), MAC layer (MAC), transport layer (TL), Internet (NWK), application layer (APL) etc. from top to bottom.Wherein physical layer and MAC layer follow the regulation of IEEE 802.15.4 standard.ZigBee-network is mainly characterized by low-power consumption, low cost, low rate, support great deal of nodes, supports multiple network topology, low complex degree, quick, reliable, safety.Equipment in ZigBee-network can be divided into the Three roles such as coordinator (Coordinator), aggregation node (Router), sensor node (EndDevice).
The present invention may utilize the monitoring arch dam deformation of ZigBee wireless communication networks, arch dam realizes monitoring in 24 hours, finds deformation position in time, thus safeguard arch dam in time, it is to avoid the generation of unnecessary security incident.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (5)
1. an arch dam monitoring system based on Internet of Things, including monitoring terminal, coordinator, router, ZigBee wireless network node, each router connects n ZigBee wireless network node, and m router is connected with monitoring terminal by coordinator, n and m is the natural number more than 1；Each ZigBee wireless network node is equally distributed on arch dam, all includes ZigBee module, and the outfan of described ZigBee module is connected with antenna by antenna transceiver, and described antenna communicates wirelessly with residing router；
Described ZigBee wireless network node also includes deformation monitoring unit, control unit and image acquisition units, described deformation monitoring unit, control unit and image acquisition units are connected with ZigBee module respectively, whether described deformation monitoring unit arch dam at monitoring node there is deformation, described control unit is for receiving the information of deformation monitoring unit and sending instruction to image acquisition units, and described image acquisition units shoots after the instruction receiving control unit, transmits, preserves arch dam strain image at node；
It is characterized in that, described image acquisition units includes image taking module, image transmission module and image storage module, described image transmission module includes the first lenticular lens that focal length is f1, focal length is second single convex lens of f2, having Binary Diffractive Optics structure at least one surface of described first lenticular lens and second single convex type lens, f1/f2 ratio is 0.25-1.36.
A kind of arch dam monitoring system based on Internet of Things the most according to claim 1, it is characterised in that described coordinator is connected by RS232 serial ports with monitoring terminal.
A kind of arch dam monitoring system based on Internet of Things the most according to claim 1, it is characterised in that described ZigBee module is CC2530
Module.
A kind of arch dam monitoring system based on Internet of Things the most according to claim 1, it is characterised in that described coordinator uses the CC2530 chip of TI company.
A kind of arch dam monitoring system based on Internet of Things the most according to claim 1, it is characterised in that described control unit uses embedded-type ARM 7 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610208510.7A CN105828040A (en) | 2016-04-06 | 2016-04-06 | Arch dam monitoring system based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610208510.7A CN105828040A (en) | 2016-04-06 | 2016-04-06 | Arch dam monitoring system based on Internet of things |
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| CN105828040A true CN105828040A (en) | 2016-08-03 |
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| CN201610208510.7A Pending CN105828040A (en) | 2016-04-06 | 2016-04-06 | Arch dam monitoring system based on Internet of things |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936956A (en) * | 2010-07-05 | 2011-01-05 | 天津大学 | Monitoring system and method of arch dam |
| CN103196416A (en) * | 2013-03-17 | 2013-07-10 | 水利部交通运输部国家能源局南京水利科学研究院 | Robot monitoring method and robot monitoring system of deformation inside dam |
| CN104678954A (en) * | 2015-01-23 | 2015-06-03 | 中国长江三峡集团公司 | Dam safety intelligent monitoring and pre-warning system based on full life circle and method thereof |
| CN105091775A (en) * | 2015-08-10 | 2015-11-25 | 苏州欧可罗电子科技有限公司 | ZigBee based arch dam monitoring system |
| CN105430248A (en) * | 2015-12-04 | 2016-03-23 | 青岛中科软件股份有限公司 | Internet of things image acquisition apparatus |
| CN105442520A (en) * | 2015-11-11 | 2016-03-30 | 中国水利水电科学研究院 | Deformation and stability monitoring system for side slope and whole process of construction period and primary water storage period of dam |
-
2016
- 2016-04-06 CN CN201610208510.7A patent/CN105828040A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936956A (en) * | 2010-07-05 | 2011-01-05 | 天津大学 | Monitoring system and method of arch dam |
| CN103196416A (en) * | 2013-03-17 | 2013-07-10 | 水利部交通运输部国家能源局南京水利科学研究院 | Robot monitoring method and robot monitoring system of deformation inside dam |
| CN104678954A (en) * | 2015-01-23 | 2015-06-03 | 中国长江三峡集团公司 | Dam safety intelligent monitoring and pre-warning system based on full life circle and method thereof |
| CN105091775A (en) * | 2015-08-10 | 2015-11-25 | 苏州欧可罗电子科技有限公司 | ZigBee based arch dam monitoring system |
| CN105442520A (en) * | 2015-11-11 | 2016-03-30 | 中国水利水电科学研究院 | Deformation and stability monitoring system for side slope and whole process of construction period and primary water storage period of dam |
| CN105430248A (en) * | 2015-12-04 | 2016-03-23 | 青岛中科软件股份有限公司 | Internet of things image acquisition apparatus |
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Application publication date: 20160803 |