GB/T 39190-2020 PDF English
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Smart home for internet of things -- Design content and requirements
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GB/T 39190-2020: PDF in English (GBT 39190-2020) GB/T 39190-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 35.240
L 73
Smart home for internet of things - Design content
and requirements
ISSUED ON: OCTOBER 11, 2020
IMPLEMENTED ON: MAY 01, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3
Introduction ... 4
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 5
4 Abbreviations ... 6
5 System structure and functional requirements ... 7
6 System configuration and operation ... 9
Smart home for internet of things - Design content
and requirements
1 Scope
This Standard specifies the structure and functional requirements, system
configuration and operation of the system of smart home for Internet of things.
This Standard applies to information equipment integration, home service
information systems and similar application scenarios that are related to home
life.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For
undated references, the latest edition (including all amendments) applies to this
document.
GB 16808, Combustible gas alarm control units
GB/T 35134, Smart home for Internet of things - Device description method
GB 50394, Code of design for intrusion alarm systems engineering
GB 50395, Code of design for video monitoring system
3 Terms and definitions
The following terms and definitions are applicable to this document.
3.1 System of smart home
A smart home grid, that can be controlled and managed interactively, which is
connected by smart home devices through a certain network communication
protocol.
[GB/T 34043-2017, Definition 3.3]
3.2 Home intelligent terminal
5 System structure and functional requirements
5.1 Overview
The system of smart home for Internet of things connects devices, such as
information equipment, communication equipment, household appliances,
energy (water, gas, heat) meters, lighting equipment, and safety equipment, in
the home category with home intelligent terminals through various methods, to
form an information application system with data collection, control and network
service functions. The main functions include:
a) Monitor home devices in the system;
b) Connect to the community public service network or the Internet through
the IoT home intelligent terminal, to share network information resources
and to enjoy network services;
c) Realize the automation and intelligence of home devices, to provide a
secure, efficient, comfortable and convenient home environment;
d) Realize remote communication, monitoring, collection and management,
to become an integral part of the smart community public service system;
e) Select various transmission media, network topologies, communication
protocols, access control methods for separate combination and design.
5.2 Overall structure
The system of smart home for Internet of things is a multi-layered structure.
Each device in the system can use different communication protocols. Its
system structure is shown in Figure 1; it shall also meet the following
requirements:
a) The smart home net, device and its subsystems can be connected to the
community through the IoT home intelligent terminal or its own network
function, to form a community information management network, with the
community integrated service platform;
b) After the functional parameters and service information of the smart home
devices for Internet of Things are transmitted to the home intelligent
terminal via the network, they are stored in the database as device
registration information.
d) Security service function: it shall provide functions such as user
management, access control, event alarm and intrusion prevention
processing;
e) Management service function: It shall provide functions such as fault
diagnosis, system optimization, accounting management and online
payment.
5.3.2 Extended functions
The smart home for Internet of things shall include the following extended
functions:
a) Remote networking service: Access to the community local area network
and the Internet, to share networking services;
b) Automatic control: Perform automatic control of smart home devices for
Internet of things
c) Intelligent update of traditional household appliances: Traditional
household appliances without network interface use infrared control,
which cannot be directly operated by intelligent control. After using
equipment compatible data converters, it can realize the intelligent control
transformation of traditional household appliances.
6 System configuration and operation
6.1 Overview
The system of smart home for Internet of things is mainly composed of IoT
home intelligent terminals, smart home devices for Internet of things, and
communication networks. The IoT home intelligent terminal is the core of the
entire system of smart home for Internet of things. External devices are
connected to the IoT home intelligent terminal through the public
communication network, so as to realize the control operation of the smart
home devices for Internet of things. Within the scope of home, the IoT home
intelligent terminal is also the main controller of the system; it controls and
operates various smart home devices for Internet of things through standard
communication interfaces.
6.2 Key devices
6.2.1 IoT home intelligent terminal
6.2.1.1 Basic requirements
6) Perform identity authentication, password protection and other security
identification.
c) It shall have the functions of Web server and database, and the following
functions:
1) Monitor on the two ports of the external network and the internal
network; respond to remote and local requests for access at any time;
2) Use TCP/IP protocol and HTTP-based protocol to process requests and
transmit device status information, including transmission to remote
(Ethernet port) and local (home network port);
3) When the device status information changes, it can actively send real-
time status information to the connected IoT home intelligent terminal.
6.2.1.2 Hardware design requirements
The hardware of the IoT home intelligent terminal shall meet the following
design requirements:
a) It shall support the operation of embedded operating system;
b) It shall have a remote (Ethernet) port and a local (home network) port;
reserve a spare port;
c) It shall have a browser operation mode, and realize centralized control of
the entire household equipment through the local operation interface;
d) It shall have the display function or voice function;
e) It shall be able support wired or wireless way to form a smart home net,
and be compatible with various fieldbus, Ethernet, ZigBee protocols and
other radio frequency networks;
f) It shall be able to upgrade the system, and has expansibility, to add smart
home devices for Internet of things at any time without additional
expenses.
6.2.1.3 Software design requirements
The software design requirements shall include the following functions:
a) Initialization and self-check functions, including CPU chip, smart home net
communication, Ethernet communication and other module initialization
functions;
a) It shall have a communication interface of smart home net communication
protocol, that is, it shall have the smart home net communication protocol
function;
b) It shall have the device description file of all its own functions and services,
which shall meet the requirements of GB/T 35134;
c) The informatization and intellectualized reconstruction of traditional home
devices is to embed the communication interface of the smart home net
communication protocol, and to generate the "function table" (or
"operation table") of the home device into “device description file”
according to the format requirements of GB/T 35134.
6.2.4 Device compatible data converter
The device compatible data converter is a smart home device for Internet of
things. Traditional household appliances without a smart home net
communication interface are controlled by infrared, which cannot be directly
operated by intelligent control. The device compatible data converter obtains
device information by inter-converting the infrared signal and the RF signal and
connecting to the control terminal, to realize the intelligent control of traditional
household appliances. It is the device middleware of the smart home net and
shall meet the following basic technical requirements:
a) The device compatible data converter can be a wireless/infrared converter.
As a sub-device of the control terminal of smart home for Internet of things,
it shall clarify its control object in the system application;
b) After the system is started, the control terminal of the smart home for
Internet of things identifies the compatible data converter-controlled object,
and uses the communication protocol to transmit the device description
file to the control terminal of the smart home for Internet of things. The
control terminal of the smart home for Internet of things analyzes the
device description text and assigns addresses to the controlled object
(sub-device), to complete the self-organized network of the device;
c) After the device compatible data converter receives the radio frequency
control signal that is sent by the home intelligent terminal or control
terminal of the Internet of Things, it converts it into an infrared signal, to
complete the intelligent control operation of the infrared household
appliance.
6.3 System composition
6.3.1 Basic subsystem
6.3.1.1 Smart home appliance system
Provide background music, short films of music, players and other audio-visual
environments that make the home living environment comfortable, and have
convenient and quick control operations.
6.3.2 Extended subsystem
6.3.2.1 Medical inspection system
It obtains the human physiological indicators and health parameters through
health indicator detectors, portable medical terminals and wearable health
testing equipment, transmits to the community health service center, and stores
in the home care service information database.
6.3.2.2 Public service system
The public service system includes: information announcement, commercial
services, smart medical care, smart property, remote scene sensing and control
services, intelligent life, payment service system, remote education and other
public services.
6.3.2.3 Other systems
Other systems that are expanded according to needs and technological
development.
6.3.3 Application platform of smart home
6.3.3.1 Overview
The application platform of smart home supports Internet protocols and browser
functions, accepts information from the Internet and IoT home intelligent
terminals, realizes automatic management of home devices through the IoT
home intelligent terminals, and remotely accesses smart home net, community
network and Internet applications through the Internet, provides various
household appliances, security, indoor lighting and other household equipment
configuration and maintenance through Web services.
6.3.3.2 Working mode
The application platform of smart home for Internet of things provides a set of
equipment-oriented service functions; the equipment automatically provides
service items when connected to the network and automatically organizes the
network. Collect physical nodes as network servers; register and store the
service items of the smart home devices for Internet of things; publish the
service content to the upper network and users in the browser mode; update
the status content of smart home devices for Internet of things in the database
in real time.
a) After the networked intelligent terminal receives the network access
request command from the device, it divides a part of the time in each
period to jump back to the public channel to send the network command.
After the networked device receives the network command, it sends the
ID to the intelligent terminal, until the intelligent terminal responds and
assigns a network address;
b) Add new smart home devices for Internet of things to the network
according to the first networking method, to complete the network access
of newly-added devices;
c) For the network access of smart home devices for Internet of things that
have joined other networks, first manually clear the previous networking
records; then, connect to the network by adding new devices to the
network.
6.4.2.3 First networking of wireless network
The first networking of wireless network shall comply with the following
requirements:
a) After both the IoT home intelligent terminal and the smart home device for
Internet of things are powered on and initiated, the first networking of
wireless network can be determined by manual selection of the IoT home
intelligent terminal;
b) Each device to be connected to the network sends its ID to the IoT home
intelligent terminal after receiving the networking instruction. The IoT
home intelligent terminal sends a pairing instruction to the device; the
device responds and sends device-related information to the IoT home
intelligent terminal, until the IoT home intelligent terminal is confirmed to
be successfully networked.
6.4.3 System operation
6.4.3.1 Start the IoT home intelligent terminal
The user turns on the power of the IoT home intelligent terminal. The IoT home
intelligent terminal first initializes the gateway internally, then starts to register
the smart home device for Internet of things, to complete the networking
process of smart home net.
6.4.3.2 Start the device
When the user turns on the power of the smart home device for Internet of
things, the smart home device for Internet of things communicates with the IoT
home intelligent terminal, to complete the registration of the smart home net.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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