With the rapid growth of the Internet of Things (IoT) market, sensors have become a focal point across various industries. From smartphones to advanced driver-assistance systems (ADAS), the integration of sensors is expanding rapidly. But beyond consumer electronics, what other sectors are driving sensor innovation? Recently, EDN China reporters visited five companies at Sensor China to explore the latest trends and applications in the sensor industry, especially in less visible but highly impactful areas like industrial automation and smart cities.
**Honeywell: Environmental Monitoring with Precision Sensors**
Honeywell restructured its sensor division from "sensing and control" to "sensors and IoT" over a year ago, aiming to invest more in IoT-related R&D and target high-growth markets. One such area is health and safety, where environmental monitoring is gaining traction. Honeywell showcased sensors for measuring particulate matter (PM2.5), formaldehyde, TVOC, and carbon dioxide — all critical factors in indoor air quality. According to Wang Liang, Director of Strategy and Marketing at Honeywell Sensing and Productivity Solutions, these sensors help people better understand their surroundings, especially in newly renovated spaces where harmful gases can impact cognitive performance.
In home appliances and wearables, Honeywell sees a growing demand for multi-sensor systems. Unlike some competitors who rely on software algorithms to interpret multiple parameters, Honeywell uses dedicated sensors for each measurement. For example, a customer using an air purification system discovered that PM2.5 levels spiked due to wildfires in Canada, which were carried by wind. This highlights the importance of accurate, real-time data. Honeywell also offers cloud-based solutions, integrating SAP enterprise software to monitor logistics and supply chain conditions, ensuring optimal temperature and humidity control during transport.
**Beijing North Wake Up: Lidar Evolution Toward Solid-State Technology**
Lidar has become a key technology in autonomous vehicles, drones, and robotics. Beixing Photonics Technology Co., Ltd. specializes in laser radar and SLAM algorithms, offering products like TF01, TF02, and TFmini, used in agricultural drones for precise height control during pesticide spraying. The company’s C30 radar is designed for AGV obstacle avoidance.
While traditional lidars use rotating 64-line structures, Beixing is pushing solid-state alternatives, which are more cost-effective and reliable. Although they lack full 360-degree rotation, adding mechanical components can compensate. Solid-state lidars offer longer life and stability, making them ideal for future autonomous systems. Zhang Yuan, Marketing Manager at Beixing, emphasized that multi-sensor fusion is essential for smart devices, as no single sensor can solve all challenges.
**Zhongxing Measurement & Control: Smart Neighborhoods Powered by Sensors**
Zhongxing Measurement & Control focuses on exporting Chinese-made sensors globally, challenging the perception that Chinese sensors are not widely used abroad. The company has invested heavily in R&D and partnerships, including NB-IoT, LORA, and ZigBee networks for smart city applications. Their goal is to create an end-to-end solution, from sensing to data analysis and app development.
Two key examples include smart parking and garbage management. With sensor-enabled parking systems, drivers can quickly locate available spots, while garbage sensors allow sanitation workers to optimize routes based on real-time fill levels. This reduces manpower by up to 70%, improving efficiency and sustainability.
**E+H: Precision in Industrial Pressure Sensors**
E+H, a Swiss-based company specializing in industrial measurement and automation, has transitioned from analog to digital pressure sensors, incorporating features like temperature compensation. Their sensors are used in oil and gas, chemical, and water treatment industries. The company emphasizes the advantages of monocrystalline silicon differential pressure sensors, which offer long-term stability, high overload resistance, and low power consumption.
Despite a gap in small-range pressure sensors compared to global leaders, E+H believes it can close this gap soon. Its intelligent sensing units are tailored for large-scale projects, supporting national infrastructure development.
**Custom Design Solutions: Reducing Costs Through Innovation**
Dr. Steve Petrucelli of Pressure Sensor Limited highlighted the benefits of custom-designed sensors. His company develops specialized pressure and temperature sensors, including a unique array sensor that cuts costs significantly through innovative design. While not sold at the lowest price, the technology enables efficient and affordable solutions for medical and industrial applications, such as syringe weight sensors and screw strength measurement tools.
As the sensor market continues to evolve, companies are finding new ways to enhance accuracy, reduce costs, and expand into emerging applications. Whether in smart cities, healthcare, or logistics, the role of sensors is becoming more critical than ever.
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