China's cold storage equipment is advancing toward intelligence, greenization, and high efficiency. With technological upgrades, modern cold storages have adopted advanced refrigeration systems and automated devices, such as remote monitoring, intelligent control, and cold chain tracking systems. Let's break it down in detail. Digital Cold Storage System Centered on IoT technology, the digital cold storage integrates hardware like RFID tags, video surveillance, and data gateways, and connects with enterprises' existing ERP systems or specialized cold storage inventory management software to form a complete management network. This system enables remote operations—such as adjusting storage temperatures, managing access permissions, and monitoring energy consumption. It can capture real-time changes in indoor temperature and humidity; once these exceed preset ranges, it automatically activates ventilation equipment to maintain a stable storage environment. Programmable Logic Controllers (PLCs) also play a key role here. After receiving signals from temperature sensors, PLCs automatically adjust equipment operations according to set temperature ranges, precisely controlling compressor start/stop, fan speed, and access door switches. Meanwhile, PLCs track real-time data like temperature, humidity, and access status, triggering alarms immediately if anomalies occur. Overall, digital transformation has significantly improved cold storage management efficiency while reducing cargo losses and operational costs. Intelligent Control System Intelligent cold storage is a modern warehousing facility that uses IoT, big data, cloud computing, and AI to realize real-time monitoring, intelligent scheduling, and optimized management of internal facilities, equipment, goods, and personnel. Its main features include: - **High automation**: Equipped with automated three-dimensional warehouses, AGV robots, and smart shelves to reduce manual intervention and boost operational efficiency. - **Data-driven decision-making**: Real-time collection of indoor temperature, humidity, and gas concentration data, which is uploaded to the cloud for analysis to support operational decisions. - **Smart cargo scheduling**: Using big data and AI algorithms to optimize storage locations and inbound/outbound sequences, accelerating turnover and improving inventory utilization. - **Energy efficiency and environmental friendliness**: Rational energy allocation through intelligent monitoring to reduce unnecessary consumption and environmental impact. - **Remote operation and maintenance**: Enterprises can check real-time data and surveillance footage via management platforms, enabling remote control and emergency handling. Cold Chain Monitoring System The cold chain monitoring system of cold storage consists of sensor collection terminals, wireless transmission devices, and a monitoring platform. It can real-time track indicators like temperature, humidity, and carbon dioxide concentration, with sensors responsible for data collection and anomaly alerts. - **Sensor collection terminals**: Accurately capture key environmental parameters in the storage. - **Wireless transmission devices**: Send collected data to the monitoring center via wireless networks. - **Monitoring platform**: Managers can view real-time data, conduct analysis, and process information on the platform. The system has three technical advantages: first, high-precision sensors with a temperature measurement range of -50℃ to 90℃ and an error margin within 0.1℃, ensuring data accuracy; second, modular design for easy expansion and maintenance, allowing new monitoring points to be added without modifying the original system; third, integration of ultra-wideband positioning, RFID, and WSN technologies to achieve low-power networking and extend equipment service life. With outstanding performance and innovative technologies, China's cold storage equipment holds a significant position in the global cold chain industry. In the future, as technology advances and market demands evolve, the industry will continue to explore and upgrade.