Design And Application Of Cold Area Ice Regime Automatic Detection System Power Supplied By Variety Renewable Energy Source

Ice regime detection and casualty precaution is not only the imperativeapplication technology for the North&South Pole scientific expedition,arctic-alpine area inland stream channel hydrological forecast, hydropower damand long distance water transmission project, and environment monitoring. Onthe other hand it is the main task of national flood prevention and disasteralleviation system building.Owing to the on-site monitoring work mostly suffered adversecircumstances, terrible traffic and power supply limit, thus wild field on-sitecontinuity automatic monitor of river, lake and reservoir should face up moredifficult than normal status does actually. Especially how to realize long termpower supply and keep the system smoothly operated under such super lowtemperature (below–30℃) is the pressing matter and global difficulty to besolved for the international and domestic hydraulic engineering field.This subject aim at satisfying the demand of the Heilongjiang riverstreamways ice regime monitoring, where outdoor’s temperature is below-30℃throughout the year, funded by Ministry Of Water Resource public welfare special project ‘The Huanghe river ice regime monitoring automatic system andon-site expedition’(No.201201080), and The National Natural Science Fundproject “the principle research of strength continuous on-line detection and iceablation process based on the physical characteristics difference of ice, waterand air（No.51279122）. Based on the funding and scientific requirement wedesigned this automatic monitoring system.This system manufactured R-T ice thickness transducer which can realizethe continuous automatic monitoring o for the slight change of the equivalentresistance and temperature gradient of the ice inner and underside. According tothe current ice regime monitoring technology analysis and special geographicalconditions of the Heilongjiang River on-site monitoring, we bring up a new planwhich applied environmental renewable resource Hydro–Solar complementarypower supply system with super low power cost intelligence heat insulationsystem; integrate SCM, GPRS etc. latest modal electronic technology smoothlyinto this system.This automatic monitoring system is low consumption, low cost and lowtemperature resistance therefore it can be used for harsh low temperatureenvironment and realize the fix-pointed, real-time, continuous, long-distanceand automatic monitoring. Accordingly it provides high attitude area a feasibleinspection system.Main achievements of this paper are list below:Ⅰ：According to the current ice regime monitoring technology analysis and special geographical conditions of the Heilongjiang River on-site monitoring,we bring up a new plan which applied environmental renewable resource Hydro–Solar complementary power supply system with super low power costintelligence heat insulation system.Ⅱ： Research and analysis the regularities of ice&water equivalent resistancechance depending upon temperature’s range under-50℃～30℃and establishcorresponding model according to the study result mentioned above.Ⅲ：Accomplish the ice regime automatic monitoring entirety structure designwith function of on-site data collection and upper monitor long distance datareception, monitoring, control etc. on the basis of experiment result and projecton-site reality situation.Ⅳ: Accomplish the ice thickness transducer structure design and assorted datacollect handle hardware circuit and model matching. Beside apply routine SCMdata collect handle circuit hardware into this system we design special super lowpower cost intelligence heat insulation system on the ground of realityapplication circumstances, ensure the system can be long term normal operateeven it exposed in the-50℃wild field and improve the frost resistance andreliability of whole system.Ⅴ: Accomplish the data collect circuit design of ice regime automaticmonitoring system thus on-site collected data can be real-time automatichandled, long distance transferred and the whole system unmanned operationand wireless remote controlled can be easily realized. Ⅵ. We installed this automatic monitoring system into the Heilongjiang River(2013.12.17-2014.4.12) and carried out5-monthes long on-site monitoring.Comparative analysis work of automatic collected data and manual recordeddata has been done after this system gathered overall original data of theHeilongjiang riverways winter.Ⅶ. Summarize the problems exposed in the experiment and bring up thesolution plan on the foundation of experimental result analysis.