CN104501783B - A kind of river course floating ice density automated watch-keeping facility and method - Google Patents
A kind of river course floating ice density automated watch-keeping facility and method Download PDFInfo
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- CN104501783B CN104501783B CN201510024975.2A CN201510024975A CN104501783B CN 104501783 B CN104501783 B CN 104501783B CN 201510024975 A CN201510024975 A CN 201510024975A CN 104501783 B CN104501783 B CN 104501783B
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- river course
- river
- floating ice
- test point
- water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
Abstract
The invention discloses a kind of river course floating ice density automated watch-keeping facility and method, monitoring device includes telemetry terminal system, and telemetry terminal system is connected with head, laser range finder, water-level gauge, wireless communication module；Laser range finder is arranged on head；Battery is connected by charge controller with solar panels；Battery is telemetry terminal system, head provides working power；Measurement floating ice density on the corresponding flood bank of measuring section will be partially installed on beyond the monitoring device water-level gauge.The monitoring device of the present invention can monitor river course floating ice density automatically, be participated in without artificial, and measurement is not influenceed by light, and night on daytime can realize continuous on-line measurement；The method of the present invention is high with respect to existing method measurement accuracy, easily realizes.
Description
Technical field
The present invention relates to a kind of river course floating ice density automated watch-keeping facility and method.
Background technology
River course floating ice density refers to test in section, the ratio of the area of plane of ice cube and frost flower and open water surface area
Value.Ice condition of river phenomenon is the key character in northern river, and ice slush observation is to grasp river ice condition, understand ice slush
Changing rule, necessary data is provided to explore and analyzing ice age hydrology phenomenon and rule.For hydraulic engineering construction, communications and transportation
Deng national economic development service.
Northern river is before freeze-up, frost free period has a large amount of floating ice to be formed, and the purpose of ice discharge test is understood in river
The quantity of floating ice, and calculate ice total amount.
The measurement of density is an important and frequent job in ice discharge test, especially if water level is as Dan Sha,
It is the key factor for inquiring into ice discharge.
The conventional method of measurement density has three kinds of eye estimating method, statistic law and Photographic technique.Often observation or simple measuring method testing
Eye estimating method during ice discharge, statistic law during accurate measurement method testing ice discharge, Photographic technique is adapted to the river that river width is less than 150m, can use
In frequent observation or testing ice discharge.
During using ocular estimate, when full river surface each several part floating ice density differs greatly, the density of visual estimation each several part is answered
It is wide with part, with the average density of calculated with weighted average method section.
During using statistic law, the density of each vertical line on section should be first determined, then by calculating, obtains the average density of section
Degree.Vertical line density can use theodolite testing, or be estimated with vertical rope.
During using Photographic technique, camera should be not less than 1/10 with broadband away from water surface elevation., should be by river surface floating ice during shooting
The mark of each section of situation and upper, middle and lower is filmed.When calculating density, projection correction should be carried out.
Above-mentioned density measuring method needs to participate in the overall process estimation, judgement by observation personnel, random very big and necessary
It is easy to human eye to watch with sufficient light, in night hardly possible completion measurement, realization also is difficult on daytime continuous online
Monitoring.
The content of the invention
The technical problems to be solved by the invention are to be dredged for above-mentioned the deficiencies in the prior art there is provided a kind of river course floating ice
Density automated watch-keeping facility and method.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of river course floating ice density is supervised automatically
Device is surveyed, including：
Laser range finder：For measuring laser ranging instrument probe to the distance for testting point；The test point is located at and river course
On the vertical measuring section of water (flow) direction；
Water-level gauge：It is arranged in the water level logging system of river course bank（Float-type）Or under urban river water（Pressure type）, for measuring river
Road water level, and send river water level data to telemetry terminal system；Float type level meter is arranged in the water level logging system of river course bank, pressure
Power formula water-level gauge is arranged under urban river water；
Telemetry terminal system：For controlling laser range finder to measure laser ranging instrument probe to the distance for testting point, and according to water
The river water level of position meter measurement and the laser ranging instrument probe of laser range finder measurement calculate floating ice to the distance for testting point and dredged
Density；
Power module：For providing working power for telemetry terminal system.
Preferably, monitoring device of the invention also includes：
Head：It is connected with telemetry terminal system and power module, laser range finder positioning is driven under the control of telemetry terminal system
To different test points；
Communication module：For the floating ice density degrees of data for calculating telemetry terminal system, river water level, laser ranging instrument probe extremely
The distance of river course ice face is sent to data center；
Data center：For receive communication module forwarding floating ice density degrees of data, river water level, laser ranging instrument probe
To the distance of river course ice face.Head, communication module, data center can make the monitoring device of the present invention more intelligent.
Preferably, the power module includes solar panels, charge controller and the battery being sequentially connected；The electric power storage
Pond is electrically connected with the telemetry terminal system, head, and the power module structure is simple, utilizes solar power generation, energy-conserving and environment-protective.
Present invention also offers a kind of method that river course floating ice density is monitored using above-mentioned monitoring device, this method is main
Process is as follows：By being partially installed on the corresponding flood bank of measuring section beyond the monitoring device water-level gauge, the test
Section is vertical with streamflow direction；Several are taken to test point on the measuring section；For i-th of test point, Laser Measuring
Distance meter measures laser ranging instrument probe to the distance of the test point in time T every time t, obtains multigroup range data, really
The corresponding distance threshold Lb of the fixed test pointi, statistics is less than or equal to distance threshold LbiRange data quantity N, then i-th
River course floating ice density at test point is N/（T/t）；Similarly obtain the river course floating ice density at remaining test point；Wherein
The i corresponding distance threshold Lb of test pointiCalculation formula is：,Install high for laser range finder
Journey；The river water level of water-level gauge measurement when starting for measurement；Laser ranging instrument probe and test point when starting for measurement
Between line and the river course water surface or the angle of ice face.
Preferably, T=100s, t=1s, it is ensured that measurement accuracy.
Compared with prior art, the advantageous effect of present invention is that：The monitoring device of the present invention can be monitored automatically
River course floating ice density, is participated in without artificial, and measurement is not influenceed by light, and night on daytime can realize continuous on-line measurement；
The method of the present invention is high with respect to existing method measurement accuracy, easily realizes.
Brief description of the drawings
Fig. 1 is automated watch-keeping facility structured flowchart of the embodiment of the present invention；
Fig. 2 is monitoring device mounting plane layout drawing of the embodiment of the present invention；
Fig. 3 is that automated watch-keeping facility of the embodiment of the present invention installs side view；
Fig. 4 is present invention method flow chart.
Embodiment
As shown in figure 1, one embodiment of the invention monitoring device includes telemetry terminal system, telemetry terminal system and head, laser ranging
Instrument, water-level gauge, wireless communication module connection；Laser range finder is arranged on head；Battery passes through charge controller and the sun
Can plate connection；Battery is telemetry terminal system, head provides working power.
Telemetry terminal system is the core control portions of monitoring device, responsible control head is rotated, control laser range finder is measured,
Read river water level, calculate density, and Monitoring Data is sent to data center；In addition, also receive data center's instruction, it is real
Existing manual intervention encryption monitoring.
Laser range finder realizes high-precision range measurement（Laser ranging instrument probe is to river course ice face or the distance of the water surface）；
Head：Receive " telemetry terminal system " instruction, realize left and right, rotate up and down, drive " laser sensor " positioning to difference
Test point；
Water-level gauge：River water level situation of change is reacted, its data is read by " telemetry terminal system "；
Wireless communication module：Remote data communication equipment, Monitoring Data is sent in real time to " data center ", received simultaneously
" data center " computer instruction, completes relevant work；
Power pack：Including solar panels, charge controller, battery, it is responsible for giving floating ice density automated watch-keeping facility
Power supply is provided；
Data center：The Monitoring Data that real-time reception " telemetry terminal system " is sent, including initial data, density degrees of data, are deposited
Enter database.Moreover it is possible to instruction is sent, application " telemetry terminal system " encryption density monitoring.
Monitoring method of the present invention is as follows：The corresponding flood control of measuring section will be partially installed on beyond monitoring device water-level gauge
On dike, the measuring section is vertical with streamflow direction；Several are taken to test point on the measuring section；For i-th
Point is test, laser range finder measures laser ranging instrument probe to the distance of the test point every time 1s in time 100s, obtained
To 100 groups of range data, the corresponding distance threshold Lb of the test point is determinedi, statistics is less than or equal to distance threshold LbiDistance
The quantity N of data, then the river course floating ice density at i-th of test point is N/100；Similarly obtain the river course at remaining test point
Floating ice density；The corresponding distance threshold Lb of wherein i-th test pointiCalculation formula is：,For
Laser range finder Installation Elevation；The river water level of water-level gauge measurement when starting for measurement；Laser ranging when starting for measurement
Line and the river course water surface or the angle of ice face between instrument probe and test point.
Claims (5)
1. a kind of river course floating ice density automated watch-keeping facility, it is characterised in that including：
Laser range finder：For measuring laser ranging instrument probe to the distance for testting point；The test point is located at and streamflow
On the vertical measuring section in direction；
Water-level gauge：Be arranged in the water level logging system of river course bank or urban river water under, for measuring river water level, and by urban river water digit
According to sending telemetry terminal system to；
Telemetry terminal system：For controlling laser range finder to measure laser ranging instrument probe to the distance for testting point, and according to water-level gauge
The laser ranging instrument probe of river water level and the laser range finder measurement of measurement to the distance for testting point calculates floating ice density；
Power module：For providing working power for telemetry terminal system；
Miscellaneous part beyond above-mentioned water-level gauge is installed on the corresponding flood bank of measuring section, the measuring section and river course
Water (flow) direction is vertical；The measuring section is provided with several test points；The laser range finder Installation Elevation is L；For i-th
River course floating ice density at individual test point, the test point is N/ (T/t), wherein, N is every swashing that time t is obtained in time T
Optar is popped one's head in is less than or equal to distance threshold Lb into multigroup range data of i-th of test pointiRange data number
Amount, LbiFor the corresponding distance threshold of i-th of test point.
2. floating ice density automated watch-keeping facility in river course according to claim 1, it is characterised in that also include：Head：With
Telemetry terminal system and power module connection, drive laser range finder to position to different test points under the control of telemetry terminal system；
Communication module：For the floating ice density degrees of data for calculating telemetry terminal system, river water level, laser ranging instrument probe to river course
The distance of ice face is sent to data center；
Data center：For receive communication module forwarding floating ice density degrees of data, river water level, laser ranging instrument probe to river
The distance of road ice face.
3. floating ice density automated watch-keeping facility in river course according to claim 2, it is characterised in that the power module bag
Include the solar panels being sequentially connected, charge controller and battery；The battery is electrically connected with the telemetry terminal system, head.
4. the method that the monitoring device described in a kind of utilization claim 3 monitors river course floating ice density, it is characterised in that the party
Method main process is as follows：Miscellaneous part beyond the monitoring device water-level gauge is installed in the corresponding flood bank of measuring section
On, the measuring section is vertical with streamflow direction；Several are taken to test point on the measuring section；For i-th of survey
Test a little, laser range finder measures laser ranging instrument probe to the distance of the test point in time T every time t, obtains multigroup
Range data, determines the corresponding distance threshold Lb of the test pointi, statistics is less than or equal to distance threshold LbiRange data number
N is measured, then the river course floating ice density at i-th of test point is N/ (T/t)；The river course floating ice at remaining test point is similarly obtained to dredge
Density；The corresponding distance threshold Lb of wherein i-th test pointiCalculation formula is：Lbi=(L-Pi)/sin(αi), L is Laser Measuring
Distance meter Installation Elevation；PiThe river water level of water-level gauge measurement when starting for measurement；αiFor measurement start when laser ranging instrument probe and
Line and the river course water surface or the angle of ice face between test point.
5. method according to claim 4, it is characterised in that T=100s, t=1s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024975.2A CN104501783B (en) | 2015-01-19 | 2015-01-19 | A kind of river course floating ice density automated watch-keeping facility and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024975.2A CN104501783B (en) | 2015-01-19 | 2015-01-19 | A kind of river course floating ice density automated watch-keeping facility and method |
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| Publication Number | Publication Date |
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| CN104501783A CN104501783A (en) | 2015-04-08 |
| CN104501783B true CN104501783B (en) | 2017-07-21 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112198475A (en) * | 2020-10-09 | 2021-01-08 | 张丹 | Hydrology section positioning system based on ultra wide band technique |
| CN112365509B (en) * | 2020-11-10 | 2023-10-27 | 山东大学 | Ice early warning method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202002732U (en) * | 2011-03-10 | 2011-10-05 | 中国海洋石油总公司 | Field drift ice surface temperature monitoring device |
| CN203203585U (en) * | 2013-03-01 | 2013-09-18 | 上海米度测控科技有限公司 | Automatic safety monitoring system applied to dry beach of tailings pond |
| CN203629572U (en) * | 2013-12-03 | 2014-06-04 | 榆林学院 | River water condition monitor |
| CN204064403U (en) * | 2014-07-09 | 2014-12-31 | 徐新华 | A kind of integrated apparatus measured for natural river course water-level high precision |
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