In the post epidemic era, the housing economy has triggered a wave of digital transformation and upgrading, the proportion of business online has increased rapidly, and the interconnection of all things has truly become the main melody of industrial development. Driven by 5g, artificial intelligence and other technologies, the connotation of the Internet of things is also expanding and upgrading. As the expanding application and network extension of communication network and Internet, the Internet of things realizes the real-time interaction and seamless connection between people and things, and promotes the rapid development of interconnection and intelligent manufacturing with its perception, control and decision-making ability. According to the statistics of ABI research, the number of global IOT terminal connections will reach 6.616 billion in 2020, and it is expected that the number of IOT terminal connections will reach 23.72 billion by 2026. Judging from the scale of the global Internet of things market, it is estimated that it will exceed US $1100 billion in 2024. It can be seen that the Internet of things market still has huge growth space and broad development prospects.
2021 electronica South China in Munich will be held in Shenzhen International Convention and Exhibition Center from October 28 to 30, and theme forums and summits such as "international embedded system innovation forum", "2021 digital intelligence revolution helps carbon reach the peak, carbon neutral Shenzhen summit and the third aiot technology application innovation and Development Conference" will be organized at the same time, Introduce outstanding enterprises in the field of artificial intelligence internet of things, and display new technologies and solutions related to the Internet of things, including chips, intelligent identification, sensors, block chains, edge computing and so on.
Source: Guosen Securities
With the prevalence of digital economy, the industry's demand for intelligent interaction of terminal equipment is increasing, and the number of Internet of things connections is showing an exponential growth trend. On the other hand, factors such as the sharp decline in the cost of upstream chips and modules and the continuous expansion of downstream application scenarios are undoubtedly accelerating the commercialization process of the Internet of things. In 2020, the Internet of things ushered in a historic breakthrough, and the number of global connections exceeded the number of non internet of things connections for the first time, which also means that the Internet of things will enter a period of rapid development in the next decade, and the penetration and application landing level will rise significantly.
The underlying technology is booming
With the emerging market demand for the Internet of things, the development of its underlying technology is becoming more and more mature. The industry divides the Internet of things into perception layer, transmission layer, platform layer and application layer. Participants at all levels rush in, and products continue to innovate and iterate, building a great prosperity of the industrial ecology of the Internet of things. Among them, the perception layer is the bottom layer of the Internet of things, which undertakes the functions of capturing external environmental parameters and collecting data information. It is the basis for the Internet of things to connect things. In the sensing layer, sensors and main control chips play an important role and become the core components of intelligent control in the Internet of things.
Just as human beings perceive the world with five senses, sensors are the "five senses" of Internet of things devices. By converting the collected analog information into electrical signals that can be processed by the computer system, the sensor has become a seamless hub between the real world and the digital world.
As one of the three pillars of modern information technology, the importance of sensor technology is self-evident. According to the data of forward-looking Industry Research Institute, the scale of the global sensor market continues to grow, and the global market scale will reach US $226.5 billion in 2019. In recent years, the scale of China's sensor market has maintained a growth rate of more than 10%, and is expected to reach 295.2 billion yuan by 2021. With the growth of demand and industrial upgrading, sensor technology is gradually developing towards intelligence, high precision and miniaturization. Among them, MEMS sensor integrates communication, CPU, battery, sensor and other components, which meets the requirements of the market for small volume, low cost, low power consumption, high integration and intelligence, and gradually becomes a new trend of sensing technology.
The final control of IOT terminal equipment and the realization of corresponding functions are inseparable from the analysis, processing and execution capabilities of the main control chip. In addition to sensors, MCU, SOC and other main control chips are also the core devices of the Internet of things architecture, which play the ability of control and decision-making in the Internet of things system.
Under the wave of industrial intelligence, the market demand for MCU master chip is growing, and the volume of MCU market is expanding. MCU can be seen everywhere in the fields of automotive electronics, industrial control, medical treatment, computer and consumer electronics. From the overall scale, it is expected that the global MCU market will grow to US $27.2 billion in 2025. In recent years, the automotive electronic and electrical architecture has been continuously upgraded, and the development of new energy electric vehicles, ADAS, automatic driving and other fields has accelerated. Automotive electronics has become the largest application market of MCU, accounting for about one third of the global market demand.
If the sensor is the touch of the Internet of things, the transmission layer with wireless communication technology as the core is the neural network of the Internet of things, which is a bridge to build the interconnection of all things, and can realize the information transmission and interaction from the perception layer to the application layer. According to different transmission distances, wireless communication technologies are mainly divided into two categories. One is long-distance wireless communication, including 2G, 3G, 4G and 5g cellular mobile communication technologies and lpwa (low power wide area network) technologies, such as Lora, sigfox, EMTC and Nb IOT; The other is short-range wireless communication technology, including local area network (LAN) such as Bluetooth, WiFi and ZigBee. Of course, the equipment connected by traditional wired network also belongs to a branch of the Internet of things, but at present, when it comes to the Internet of things connection technology, it mainly refers to wireless access technology.
According to the statistics of Zhiyan information, the Internet of things application scenarios have different requirements for communication distance and data transmission express delivery. If divided by high, medium and low network speeds, low rate Internet of things connections account for 60%, while high rate connections account for only 10%. The Ministry of industry and information technology proposed that the important goal at the current stage is to deepen 4G network coverage, accelerate the implementation of 5g applications, and establish a mobile Internet of things ecosystem with the coordinated development of Nb IOT, 4G and 5g.
The industrial ecology of Internet of things is gradually mature
"Let every stone be connected to the Internet", although it is a joke, the tentacles of the Internet of things have extended to all aspects of society and life. Many manufacturers at the 2B and 2C ends have made deep efforts to promote the improvement and maturity of the Internet of things industrial chain. Driven by technology, the Internet of things industry shows the characteristics of fragmented market as a whole. The fierce competition situation extends from hardware to software and even to ecology.
In recent years, the surge in the number of Internet of things connections has triggered an explosive growth in data, while edge computing, cloud native and other technologies have become mature, enabling the storage and operation of massive data to be carried out in the cloud, so that the Internet of things terminals can be released and focus on sensing and control functions. In addition, 5g has become the catalyst for the full implementation of the Internet of things with its characteristics of high bandwidth, low delay and wide connection.
In the next five years, the Internet of things will enter the industry outlet and usher in a golden period of development. Its underlying chips and modules will be transformed into new materials and new functions, with richer communication protocols and closer connection with cloud computing. The upstream and downstream of the IOT industrial chain have been continuously optimized, and a new model of "IOT +" has gradually formed. On the one hand, the Internet of things has been deeply integrated with traditional industries to help the intelligent transformation and upgrading of traditional industries. On the other hand, the collision and integration of Internet of things with emerging technologies such as artificial intelligence, edge intelligence and blockchain has widened the boundaries of applications such as commercial Internet of things, household Internet of things and industrial Internet of things.
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