The development path of intelligent sensors in China can be analyzed from five parts: communication modules, microprocessors, storage units, manufacturing processes, and sensing units/sensitive materials. In intelligent sensors, the evolution of communication modules is to continuously compatible with more communication technologies. From the earliest RS-232 and UART protocols to the later use of various technologies such as LTE, Zigbee, Wi-Fi, LoRaWAN, and in the future, it will continue to compatible with various new communication protocols to achieve monitoring in more environments. The changes in microprocessors and storage units are generally towards miniaturization and high performance. Manufacturing processes are also in the continuous process of progress. The old processes are gradually reducing their average market share due to a series of problems such as heat dissipation and energy consumption. The development of sensing materials is in a state of分支, with more and more materials as sensing units, forming many new intelligent sensors. With the development of MEMS, low-power analog and digital circuit technology, low-power wireless radio frequency (RF) technology, and various micro-energy technology, intelligent sensors are gradually developing towards small volume, low cost, low power consumption, and high-integration micro-sensors, and also promoting the rapid iteration of various components.——Smart Sensor Production Manufacturing Process
The main production process of intelligent sensors in our country includes SMT placement, plug-in component welding, housing assembly, embedded software, debugging, calibration, testing, packaging, and warehousing. The specific process is as follows:——The overall R&D investment scale and strength of the industry are relatively large
From the overall R&D investment of the industry, during the period from 2018 to 2022, the average scale of R&D investment and the R&D investment intensity of the Chinese intelligent sensor industry have shown an upward trend year by year, which to some extent reflects the importance that manufacturers place on product research and development innovation. In 2023, the average R&D investment scale of the Chinese intelligent sensor industry was 399 million yuan, and the R&D investment intensity was 11.5%. As of the third quarter of 2024, the average R&D investment scale of the industry was 281 million yuan, and the R&D investment intensity was 2.81%. Overall, the R&D investment in China's intelligent sensor industry is considerable.
Note: 1) The R&D intensity is the ratio of R&D scale to operating income; 2) Since smart sensors are sensor products that undergo iterative product development in terms of technology renewal and integration, the R&D investment in the sensor industry can, to some extent, strongly promote the development of the smart sensor industry. Therefore, in the absence of authoritative smart sensor samples, the R&D investment situation of the sensor industry concept stocks is adopted for analysis, which includes a total of 193 samples.
——Industry representative manufacturers' technology progress
Based on the technical progress of representative manufacturers in China's intelligent sensor industry, manufacturers are mostly focusing on the research and development of the third-generation semiconductor and power devices, and carry out process optimization around key products. The technical progress of representative manufacturers in China's intelligent sensor industry in 2023-2024 is as follows:
——The smart sensor industry still has many key technologies to be broken through
Despite the significant progress made by China's intelligent sensor industry, there are still some *** technologies that are in the "bottleneck" development stage, as detailed below:
More industry research analysis can be found in thePioneering Industry Research Institute's"China Smart Sensor Industry Market Prospects and Investment Strategy Planning Analysis Report"
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