Design And Implementation Of Intelligent Thermal Network Inspection Sevice Platform Based On GIS+BIM

With the development of heating technology and the acceleration of urban modernization,the scale of heating network is expanding and the structure is becoming more and more complex.Once the heat network pipeline failure,will cause damage to the surrounding buildings,resulting in economic losses and casualties.In order to timely find and eliminate pipeline faults,effectively maintain pipe network safety,and protect urban safety and residents’ lives,it is urgent to establish a smart heat network inspection service platform to realize remote and real-time monitoring of pipe network status and inspection work.Traditional inspection management is often unable to provide remote simulation of heat network pipelines,and lack of data collection such as the timing and positioning of on-site personnel,making it difficult to digitize the paper records of on-site personnel.Aiming at the disadvantages of traditional inspection,some relevant researches have emerged at present.But on the one hand,most of the thermal network devices using different communication protocols cannot be compatible,and the collected data of the thermal network is limited.On the other hand,the pipeline model in the study pays more attention to displaying the three-dimensional shape and spatial geometric relationship of the pipeline,and does not integrate operation and maintenance data,and lacks real-time performance.At the same time,the visualization of the inspection work in the study is relatively single and lacks of integrity,so it cannot effectively integrate the inspection work and geographic data to form visualization.To solve the above problems,the work of this paper is as follows:(1)By analyzing the specific requirements of smart heat network patrol inspection service platform,the smart heat network patrol inspection service platform is designed and realized.The platform mainly includes three functional modules: real-time data acquisition of heat network,BIM model display of pipeline,and remote inspection service.(2)Aiming at the limited data of remote acquisition heat network equipment,this paper uses the protocol conversion method to analyze the protocol and unify the real-time data format of the collected heat network.Finally,the data is stored in the database.This platform can support the data acquisition of heat network equipment using different communication protocols and effectively improve the efficiency of data acquisition of heat network in the patrol inspection system.(3)In view of the lack of real-time performance in pipeline simulation display,this paper designs a three-dimensional data model of pipeline based on BIM technology.Through reading real-time pressure,real-time temperature,real-time flow,heat network equipment parameter information and other operation and maintenance data,it is associated with the corresponding THREE-DIMENSIONAL model,and then model rendering and display is carried out.The integration of pipeline model and operation and maintenance data is realized,and the visualization of heat network pipeline is improved.(4)Aiming at the problems of single visualization and lack of integration with geographic information in patrol inspection work,this paper uses GIS technology to integrate real-time inspection information on the map,display the real-time working process of pipeline network patrol and the dynamic situation of abnormal points,etc,the remote integrated real-time monitoring of patrol work is realized.