Industrial application

There are three keys in the application of Internet of Things, namely, perception layer, network transport layer and application layer.
Internet Of Things originated from the media field, which is the third revolution of information technology industry. Internet of Things refers to connecting any object with the network through information sensing equipment according to the agreed agreement, and exchanging and communicating information through information media, so as to realize the functions of intelligent identification, location, tracking and supervision.

definition
The simplest and clearest definition: Internet Of Things is a network based on information carriers such as Internet \ traditional telecommunication network, which enables all ordinary physical objects that can be independently addressed to realize interconnection and intercommunication. It has three important characteristics: ordinary objects are equipped \ autonomous terminals are interconnected, and universal services are intelligent
internet of things
Other definitions: the Internet of Things refers to the Ubiquitous terminal Devices and Facilities, including sensors with "intrinsic intelligence", mobile terminals, industrial systems, building control systems, home intelligent facilities, video surveillance systems, etc., and "externally Enabled", such as those labeled with RFID. Individuals and vehicles with wireless terminals, such as "intelligent objects or animals" or "intelligent Mote", connect Internet of Things domain names through various wireless and/or wired long-distance and/or short-distance communication networks to realize interconnection (M2M)\ Grand Integration)\ of applications \ and SaaS operation based on cloud computing, etc., in the Intranet)\ Under the environment of Extranet)\ and/or Internet, appropriate information security guarantee mechanism is adopted to provide safe, controllable and even personalized real-time online monitoring \ location tracing \ alarm linkage \ dispatch and command \ plan management \ remote control \ security prevention \ remote maintenance \ online upgrade \ statistical reports \ decision support \ leadership desktop (centralized display of Cockpit
Understanding the Internet of Things in One Sentence
All items are connected to the Internet through information sensing equipment to exchange information, that is, information about objects, so as to realize intelligent identification and management.
The industrial practice of Internet of Things around the world mainly focuses on three major directions.
What is the Internet of Things in the sense of data "ubiquitous aggregation"?
The first practical direction is called "Smart Dust", which advocates the interconnection of various sensor devices and the formation of an intelligent network.
The second practical direction is the well-known logistics network based on RFID technology, which advocates strengthening the management of logistics and logistics information through the identification of objects, and forming intelligent information mining through information integration.
The third practical direction is called the Internet of Things in the sense of data "ubiquitous aggregation". It is believed that the Internet has created a huge ocean of data, and it is not only the inevitable requirement for the in-depth development of the Internet, but also the mission of the Internet of Things.
Comparatively speaking, the Internet of Things in the sense of "wisdom dust" belongs to the generalization of industrial bus. This kind of industrial practice has never stopped in industrial production since mechatronics and industrial informatization, but it was not called the Internet of Things at that time, but called the industrial bus. The Internet of Things in this sense will move forward firmly and steadily due to the development of sensing technology and various local area network communication technologies, according to its inherent scientific and technological laws, and will not be accelerated by a man-made movement.
The Internet of Things in the sense of RFID was defined as the core standard of the Internet of Things in the future when it was launched. However, the inherent limitations of this standard and its only method, RFID tag, make it difficult to really point to the intelligent planet advocated by the Internet of Things. The reason is that the information that can be told by the connection between things is very limited, and the connection between the States of things can make people really dig out the ubiquitous connections between things, so as to gain new cognition.
"Ubiquitous aggregation" means to realize the omnipresent and vast ocean of data created by the Internet, and to realize the aggregation in the sense of knowing each other. These data not only represent things, but also their states, and even represent various concepts defined artificially. "Ubiquitous aggregation" of data will make it extremely convenient for people to retrieve all kinds of data they need at will, and with the help of various mathematical analysis models, they will constantly dig out the ubiquitous and complex relations between the affairs represented by these data, thus realizing human beings' concern for the surrounding world.
Technical architecture
Internet of Things architecture can be divided into three layers: perception layer \ network layer and application layer.
The sensing layer consists of various sensors, including temperature and humidity sensors, two-dimensional code tags, RFID tags, reader/writer, camera, infrared, GPS and other sensing terminals. The sensing layer is the source of the Internet of Things to identify objects and collect information.
The network layer is composed of various networks, including the Internet, radio and television networks, network management systems and cloud computing platforms. It is the hub of the whole Internet of Things and is responsible for transmitting and processing the information obtained by the perception layer.
The application layer is the interface between the Internet of Things and users, which combines with the needs of the industry to realize the intelligent application of the Internet of Things. Its core technology can be subdivided into six layers.