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A sensor is a detection device that can feel the measured information, and
can transform the perceived information into electrical signals or other
required forms of information output according to certain laws to meet the
requirements of information transmission, processing, storage, display,
recording and control.

According to the basic sensing functions of sensors, they can be divided into
ten categories, including thermal components, photosensitive components,
gas-sensitive components, force-sensitive components, magnetic components,
moisture-sensitive components, acoustic components, radiation-sensitive
components, color-sensitive components and taste-sensitive components. These can
be classified into three categories: physics, chemistry and biology.

In terms of sensor types, flow sensors, pressure sensors and temperature
sensors occupy the largest market share, accounting for 21%, 19% and 14%
respectively. In terms of application fields, the four parts of industry,
automotive electronics, communication electronics and consumer electronics are
the largest markets for sensors. Sensors in the field of domestic industry and
automotive electronic products account for about 42%, and the fastest growing is
the automotive electronics and communication electronics application market.

According to the statistics of the "Analysis Report on the Development
Prospects and Investment Forecast of the Sensor Manufacturing Industry" released
by the Institute of Advanced Industry Research, in recent years, China's sensor
market has continued to grow rapidly, with an average annual growth rate of more
than 20%. In 2011, the size of China's sensor market was 48 billion yuan, and by
2016, China The size of the sensor market has exceeded 100 billion yuan,
reaching 112.6 billion yuan. By 2017, the size of China's sensor market
increased to 130 billion yuan, an increase of 15.45% year-on-year.

At present, China's sensor enterprises are trying to catch up with foreign
enterprises, and regional sensor enterprise clusters have emerged. The
enterprises are mainly concentrated in the Yangtze River Delta region, and
gradually form a regional spatial layout mainly in central cities such as
Beijing, Shanghai, Nanjing, Shenzhen, Shenyang and Xi'an. Among them, nearly
half of the major sensor enterprises are located in the Yangtze River Delta
region, and the others are the Pearl River Delta, Beijing-Tianjin region, the
central region and the northeast region.

In recent years, the development and innovation of sensor technology has
focused on improving materials, structure and performance in three aspects:
sensitive materials have developed from liquid to semi-solid and solid;
structures have developed in the direction of miniaturization, integration,
modularization and intelligence; performance has a wide detection range, high
detection accuracy, strong anti-interference ability, and stable performance.
Set and develop in the direction of long-term life. With the development of
Internet of Things technology, new requirements have been put forward for
traditional sensing technology. Products are gradually moving towards the
cross-integration of micro-electromechanical system (MEMS) technology (such as
nanotechnology, thin film technology), wireless data transmission technology,
new material technology, composite sensor technology, combined with digital and
analog processors and other multidisciplinary cross-integration. Towards
development.

At present, the five main application fields of sensors are industry, medical
care, automotive electronics, communication electronics, and consumer
electronics. Among them, in China, industrial and automotive electronic sensors
account for a relatively large proportion, and the fastest developing is the
automotive electronics and communication electronic application market. In
addition, innovative applications in environmental monitoring, oil and gas
pipelines, smart grids, wearable devices and other fields will become a new hot
spot, which is expected to create more market demand in the future.

As the heart of the Internet of Things, sensors have huge room for
development. The system architecture of the Internet of Things is generally
composed of the perception layer, the transmission layer and the application
layer. Among them, the perception layer is mainly composed of sensors,
microprocessors and wireless communication transceivers. It is estimated that
the economic benefits brought by the Internet of Things will be between 2.7
trillion and 6.2 trillion US dollars by 2025. Among them, sensors, as the
entrance to data collection and the "heart" of the Internet of Things, will
usher in huge development space.

At the same time, because foreign brands of domestic intelligent sensors
currently occupy the vast majority of the market share, there is a lot of room
for replacement for domestic imported products. As local enterprises accelerate
the research and development process and the layout of the intelligent sensor
industry chain, China's intelligent sensor market will maintain a rapid
development speed in the future, and the localization rate will continue to
increase.

http://www.danruisensor.com
Danrui Sensors (Suzhou) Co., Ltd

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