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Collection and acquisition of water meter, electric meter, heat meter and gas meter is an effective way to improve the intelligence and automation level in the energy field. In this paper, the data collection technology scheme of public utilities was introduced. Using construction achievements and experience in the electric field, through the data integration of water, electric, gas and heat model, the requirements on shared storage for the four kinds of meters’ data was reached from the database level. According to the actual situation of the field of flexible networking, the difficulty of centralized data collection and centralized communication from four meters was solved through sharing upstream channel and employing the downlink channel with a variety of communication technology. In the ‘four meters’ data collection and data processing, the technology of used memory based data bus, the information flow of data processing model and address space mapping of real-time database improved the system's efficiency and performance. Finally the goal of public utilities data collection and comprehensive application are achieved. KEYWORD: Multi-application of polymorphism; Shared channel; Exclusive data channels; Data processing model; Distributed storage 4th International Conference on Mechanical Materials and Manufacturing Engineering (MMME 2016) © 2016. The authors Published by Atlantis Press 75 public resources, and further enhance the service level of social public utilities. Electricity utilization information acquisition system application fields are developed, relying on information collection system meter, terminal, communication channel and main station resources in provincial electric power company of State Grid Corporation of China electricity (Song Lei et al, 2004) (Jin Rongjiang et al, 2010), establish public utilities data acquisition platform, intensely collect ammeter, water meter, gas meter, heat meter data (the following are abbreviated the "four meters are one"), unified billing, unified paying, it can realize energy information resources sharing cross-industry, completely change public utilities management service mode (Xiong Hua, 2012). To improve the overall intelligent control and automatic management level in energy field. 2 CENTRALIZED DATA COLLECTION OF SYSTEM ARCHITECTURE The centralized data collection platform architecture of public utilities is shown in figure 1, this architecture learn from electric power industry utilization and collection system to design, make full use of its collection terminal and channel resources (Yang Yongbiao et al, 2012) (Wang Jiye et al, 2015), and cover the various types of water, gas and heat table, complete the four tables for one and centralized data collection. Fig.1 System Architecture of Data Collection The whole architecture is divided into terminal equipment layer, network communication layer, front resolution layer, data layer, application layer five parts. Among them, the terminal equipment layer, water, electricity, gas, heat meter by communication module to link the upper smart meters or gathering module of concentrator, the collected data will be uploaded to the front analysis layer of main station (Zhan Tongping, 2014); the front analysis layer makes the data for data analysis and uploading to data layer based on the water, electricity, gas, heat meter communication protocol; the data layer integrate water (Liu Bing et al, 2007) (Xu Kunyao et al, 2011), electricity, gas and heat data model through public utilities data platform, and form a integrative panoramic data model, through the public utilities platform for accessing real-time collecting data of four tables for one, the data platform and collecting static archives information and collecting information; The application layer calls data to display data and report query and other business functions (Cao Zhigang, 2013), meanwhile, the marketing business application implements customers’ files and synchronization of ammeter number through interface, and complete unified accounting and payment of water, electricity, gas and heat. 3 CENTRALIZED DATA COLLECTION OF SYSTEM ARCHITECTURE 3.1 The Integrated Data Modeling Technology Establishing water, electricity, gas, heat integrative panorama public resources data model is the basis of accomplishing the data concentration acquisition, the each industry respectively maintain private data model of their industry, the data model standard differences among industries are big, the data model can't share and exchange information. IEC61970 standard (Liu Haitao et al, 2008) (Wang Yiming, 2010) in the field of electric power is widely used, and the technology development of derivation, combination, checking of the model, it establishes the foundation for the energy industry and superior and the subordinate coordination model in industry. Since the electric power industry started earlier in the field of automated collection control, which have mature electric power equipment and model customer files model description standard, data model of public utilities platforms are expanded based on the electric power industry data model standard. Building integrated data model mainly includes model adaptation, model splicing, model validation, model dynamic analysis, model check, model release, eventually form panoramic data model that can support public utilities concentrated collection. The key nodes of model maintenance process of integrated data model as shown in Fig.2.

The Data Concentration Collection Technology Scheme for Public Utilities