1 Scope
This document specifies the system architecture, basic information, basic requirements and information security of intelligent pipe network system.
This document, together with other parts of GB/T 41004, is applicable to water supply, drainage, gas, heat and other intelligent pipe network systems.
2 Normative reference documents
The following documents constitute the essential provisions of this document through the normative references in the text. Among them, note the date of the referenced documents, only the date of the corresponding version applies to this document; do not note the date of the referenced documents, the latest version (including all the revision of the list) applies to this document.
GB/T 28270 Intelligent valve electric device
GB/T 34068 General technology of the Internet of things Intelligent sensor interface specification.
GB/T 35319 IoT system interface requirements
3 Terms, definitions and abbreviations
3.1 Terminology and definitions
The following terms and definitions apply to this document.
3.1.1
Intelligent pipe networkintelligent pipe network
A pipe network with functions such as sensing and communication.
3.1.2
Intelligent pipe network system
intelligent pipeline system
Using communication and information technology, combined with the pipe network, to achieve online monitoring of the operation status of the pipe network, alarm/warning tips, operation and maintenance analysis, business management and other functions, to achieve intelligent management of the pipe network system.
Note: It generally includes equipment layer, edge layer, platform layer and application layer.
3.2 Abbreviations
The following abbreviations are applicable to this document.
BDS: BeiDou Navigation Satellite System (BeiDou Navigation Satellite System)
DTU: Data Transfer Unit (DTU)
GIS: Geographic Information System (GIS)
4 System architecture
The architecture of the intelligent pipe network system should include the device layer, edge layer, platform layer and application layer. The schematic diagram of the architecture is shown in Appendix A.
5 Basic Information
5.1 Location information
The location information of the smart pipe network is based on the location information of the GIS system, mainly latitude and longitude location coordinates, pipe burial depth, etc.
5.2 Traceability information
The traceable information of the intelligent pipe network mainly includes the equipment layer component code, the equipment layer component installation information, and the identification information of the equipment layer component itself.
5.3 Intelligent function information
The intelligent function information of the intelligent pipe network mainly includes the flow, pressure, temperature, level, flow rate, displacement of the medium in the pipe network. Harmful gas concentration, combustible gas concentration and valve opening, action times, action speed, opening and closing torque and other data information.
6 Basic requirements
6.1 General requirements
6.1.1 The intelligent pipe network system should meet the requirements of online monitoring, alarm/warning prompt, operation and maintenance analysis, business management, etc. for the state of the pipe network.
6.1.2 The system architecture of the intelligent pipe network system should realize the functions of correlation and cooperation, unified - management and information sharing.
6.1.3 Intelligent pipe network system should have the function of information interoperability with pipeline management units and information platforms of relevant management departments.
6.1.4 Intelligent pipe network system should have reliability, security, ease of use, ease of maintenance, scalability, compatibility, traceability and openness.
6.1.5 Intelligent pipe network system should be able to monitor the data information of the network, the collection of data information should at least comply with the following provisions:
a) intelligent water supply network system: real-time collection of pressure, flow data information, but also to collect water quality, temperature and other data information;
b) intelligent drainage system: collect flow, level one or more data information, can also collect data information such as harmful gas concentration;
c) Intelligent gas network system: real-time collection of pressure, flow, etc. - one or more data information;
d) Intelligent heat network system: real-time collection of one or more data information such as pressure, flow and temperature;
e) other intelligent pipe network systems: collect data information about the pipe network as needed.
6.1.6 Intelligent pipe network system interface should comply with the provisions of GB/T 35319.
6.1.7 Intelligent pipe network system location information should be used to obtain positioning such as BDS, positioning accuracy should be in line with the provisions of the corresponding pipe network system applications.
6.1.8 intelligent pipe network system in the design and construction process, should be installed in the valve, tee, elbow, reducer and other key node locations such as BDS positioning system, the location of two key nodes should not exceed 1 km.
6.1.9 The power supply equipment of the intelligent pipe network system shall meet the safety requirements of the corresponding electrical appliances and shall express its service life.
6.2 Intelligent pipe network equipment layer
6.2.1 Intelligent pipe and intelligent pipe fittings
6.2.1.1 Smart pipe and smart pipe laying arrangement should be in accordance with the provisions of the corresponding engineering technology documents.
6.2.2 Intelligent valves
6.2.2.1 Intelligent valves should be with power drive device, power drive device should be in line with the provisions of GB/T28270.
6.2.2.2 Smart valves should provide at least the following data information:
a) smart network location information, such as the location of the smart valve coordinates of latitude and longitude;
b) smart valve code, in the pipe network system, a single smart valve should be coded, and has a unique code;
c) smart valve installation information, such as the installation time of the smart valve, etc.;
d) the identification information of the smart valve product itself, such as the manufacturer's name (or abbreviation) and trademark, specifications, the main material, etc;
Intelligent valve types, such as pressure reducing valves, pressure safety valves, etc.;
f) intelligent valve intelligent function information, such as automatic access to intelligent valve opening, action times, action speed, opening and closing torque, etc.-one or more data information.
6.2.3 Sensing equipment
6.2.3.1 The specification parameters of the sensing equipment should meet the requirements of the corresponding documents and specifications.
Note: See Appendix C for the relevant technical documents of the sensing equipment.
6.2.3.2 Sensing equipment should be combined to pipe fittings, valves and other equipment layer components, should have real-time collection, storage and transmission of data information.
6.2.3.3 Sensing equipment should have a two-way communication with external networks or systems between the physical interface and communication capabilities. Communication interface of the sensing device
Communication interface should comply with the provisions of GB/T 34068.
6.2.3.4 Sensing equipment should provide at least the following data information:
a) the type of sensing equipment, such as flow sensors, pressure sensors, temperature sensors, liquid level sensors, flow sensors, displacement sensors, water sensors, toxic gas sensors, combustible gas sensors, remote terminal unit (RTU), data transmission unit (DTU), etc.;
b) Sensing equipment parameters, such as flow rate, pressure, temperature, liquid level, flow rate, displacement, harmful gas concentration and other parameters information;
c) installation time of the sensing equipment;
d) the combination of sensing equipment and piping, valves, such as embedded or mechanical connection;
e) the connection and data transmission mode of the sensing equipment and data collection equipment, such as wired connection or wireless connection;
f) the power supply of the sensing equipment, such as its own power supply or external power supply.
6.2.4 Intelligent ancillary facilities
6.2.4.1 Intelligent manhole cover
Intelligent manhole cover should have a positioning function, intelligent pipe network system should be able to display the location of intelligent manhole cover and has an abnormal opening alarm function.
6.2.4.2 Intelligent meter
6.2.4.2.1 Smart meter shall have the function of collecting, storing and transmitting data information.
6.2.4.2.2 The smart meter shall provide at least the following data information:
a) the location information of the smart pipe network, such as the coordinates of the longitude and latitude position of the smart meter;
6.2.4.3 Other intelligent appurtenances
Other intelligent appurtenances shall provide at least the following data information:.
a) The location information of the intelligent pipe network, such as the latitude and longitude position coordinates of other intelligent appurtenances, etc;
b) other intelligent appurtenances code, a single other intelligent appurtenances should be coded, and have only - the code;
c) other intelligent appurtenances installation time;
d) other intelligent appurtenances type;.
e) other intelligent appurtenances parameters, such as model, specifications and other parameters information.
Note: Other intelligent ancillary facilities generally include intelligent drainage devices intelligent exhaust devices, intelligent hydrophobic devices, intelligent pools, intelligent pumping stations intelligent pressure regulating stations, etc.
6.3 Intelligent pipe network edge layer
6.3.1 The edge layer should realize the function of data interconnection and interoperability between the equipment layer and the platform layer.
6.3.2 Edge layer devices should have the ability to store data and perform edge computing.
6.3.3 Edge layer devices should have the ability to continue computing and processing when the network is interrupted and the cloud platform is not accessible.
6.3.4 With the support of the cloud-based intelligent pipe network management platform, the edge layer can accurately output control instructions to the control system in a timely manner based on local data and real-time calculations based on the pipe network data model.
6.3.5 The communication interface of the edge layer should meet the access requirements of a variety of sensors and front-end equipment components compatible with the adaptation equipment layer.
6.4 Intelligent pipe network platform layer
6.4.1 The platform layer should realize the requirements of management, control and operation - integration of the underlying terminal equipment.
6.4.2 Modern communication technology shall be used between the platform layer and the edge layer, and ensure backward compatibility.
6.4.3 The platform layer shall provide data cleaning services.
6.4.4 Other requirements of the platform layer can be determined by the management unit of the pipe network, operation and maintenance enterprises and other negotiations.
6.5 Intelligent pipe network application layer
6.5.1 The application layer should have the following functions:
a) pressure data analysis: the intelligent pipe network system for pressure monitoring should be able to monitor the pressure data information in real time, to capture all kinds of abnormal pressure events (such as water hammer, etc.).
b) Flow data analysis: Intelligent pipe network system for flow monitoring should be able to monitor flow data information in real time, and predict whether there is leakage in the pipe network and predict future flow trends through analysis and evaluation of regional flow and minimum flow.
c) Temperature data analysis: Intelligent pipe network system for temperature monitoring should be able to monitor temperature data information in real time.
d) Leakage positioning analysis: Through the comprehensive analysis of the monitoring points of the pipe network, the possible leakage of the pipe network can be judged. When a leak occurs in the pipe network, the intelligent pipe network system should complete the alarm and achieve positioning within the time required by the business unit, and determine the minimum impact range of the leak.
e) The application layer should have management functions such as pipe network inspection, repair and maintenance.
6.5.2 The application layer shall specify the density of data information collection points.
6.5.3 Other requirements of the application layer can be determined by the management unit of the pipeline network, operation and maintenance enterprises and other negotiations.
7 Information security
The information security involved in the intelligent pipe network system should comply with the provisions of the corresponding national documents and/or specifications.
