Temperature monitoring in cold chain logistics

Applications of M2M IoT Platforms in Cold Chain Logistics and Warehousing

• As the transportation environment requirements for fresh food, pharmaceuticals and vaccines, frozen foods, and chemical raw materials continue to increase, traditional management methods relying on manual inspections and offline records are no longer sufficient to meet the development needs of modern cold chain logistics and smart warehousing. The M2M (Machine to Machine) IoT platform connects temperature and humidity sensors, GPS positioning terminals, vehicle gateways, door magnetic sensors, refrigeration equipment, and warehouse management systems to achieve data collection, real-time monitoring, intelligent early warning, and remote management throughout the transportation and warehousing process, ensuring cargo quality and safety and improving operational efficiency.

Real-time Temperature Monitoring

The platform supports real-time temperature monitoring in multiple scenarios, including refrigerated trucks, frozen trucks, trailers, containers, cold storage facilities, and distribution centers. It can connect to multiple temperature sensors for multi-point temperature data collection. Managers can view the current temperature, set temperature, and equipment operating status in real time via PC, web, or mobile devices, ensuring that the transportation and warehousing environment remains within the specified range.

Application Value

• Real-time multi-point temperature data acquisition

• Full visualization of cold chain transportation

• Automatic alarm for abnormal temperature

• Support for historical data query

Online Humidity Monitoring For humidity-sensitive products such as pharmaceuticals, fresh produce, fruits, and electronic components, the platform collects real-time humidity data for transportation and storage environments, preventing goods from becoming damp, moldy, or experiencing performance degradation due to excessively high or low humidity.

Application Value

• Real-time humidity monitoring

• Automatic alarm for exceeding humidity limits

• Temperature and humidity linkage analysis

• Environmental quality traceability

GPS Positioning and Transportation Tracking Through vehicle-mounted GPS terminals and M2M communication technology, the platform obtains the real-time location of vehicles and goods, completely recording the transportation trajectory and achieving visualized management of the entire logistics process.

Supports:

• Real-time location display

• Driving trajectory playback

• ETA estimated arrival time

• Geofencing management

• Abnormal route identification Helps enterprises promptly detect abnormal situations such as detours, stops, and deviations, improving transportation management efficiency.

Door Magnetic Sensors and Loading/Unloading Monitoring

The platform supports door magnetic sensor monitoring for vehicle doors, cold storage doors, warehouse doors, etc., automatically recording the opening and closing time and duration of each door, and analyzing the loading/unloading process in conjunction with GPS positioning and temperature changes.

Main functions include:

• Door opening/closing detection

• Unauthorized opening alarm

• Loading/unloading frequency statistics

• Correlation analysis between door opening and temperature changes

Effectively reducing cold air loss and ensuring cold chain continuity.

Remote Monitoring of Refrigeration Equipment

The platform can connect to refrigeration units, compressors, air coolers, and other equipment, monitoring equipment operating status, operating time, fault information, and energy consumption data in real time.

Supports:

• Refrigeration equipment operating status monitoring

• Equipment start/stop control

• Fault alarms

• Remote maintenance

• Equipment health analysis

Improving equipment reliability and reducing maintenance costs.

Real-time Alarms and Intelligent Notifications

The platform provides a multi-dimensional intelligent alarm mechanism, which can notify relevant personnel immediately when abnormal situations occur.

Supported alarm types include:

• Temperature over-limit alarm

• Humidity over-limit alarm

• Refrigeration equipment malfunction alarm

• Door abnormal opening alarm

• GPS yaw alarm

• Overspeed alarm

• Dwell timeout alarm

• Network offline alarm

• Low battery alarm Alarm information can be pushed via the platform, SMS, email, WeChat, or APP for rapid response.

Historical Data and Trend Analysis The platform automatically stores data from the entire transportation and warehousing process, forming a complete data archive, supporting multi-dimensional query and analysis by vehicle, warehouse, equipment, time, etc.

Includes:

• Temperature change curve

• Humidity trend analysis

• Door opening records

• GPS trajectory playback

• Alarm statistical analysis

• Transportation quality analysis

• Compliance report export Helping enterprises optimize transportation routes, improve warehouse management, and meet the quality traceability and regulatory requirements of industries such as food and pharmaceuticals.

Energy Consumption Monitoring and Energy Saving Management The platform supports the collection of operational data such as refrigeration equipment, electricity, and water consumption, performing energy consumption analysis on each warehouse and vehicle, identifying high-energy-consuming equipment, optimizing refrigeration strategies, and achieving energy saving and consumption reduction. Capable of:

• Energy consumption statistics

• Power consumption analysis

• Cooling efficiency analysis

• Energy consumption reports

• Energy saving optimization suggestions

Remote Equipment Operation and Maintenance

Through the M2M platform, enterprises can remotely manage various field devices, including temperature and humidity sensors, industrial gateways, refrigeration controllers, and sensors, achieving full lifecycle management of equipment.

Supported Functions:

• Online equipment status monitoring

• Remote parameter configuration

• Remote firmware upgrade (OTA)

• Fault diagnosis

• Lifecycle management

• Access control

Reducing on-site maintenance costs and improving equipment operation and maintenance efficiency.

Data Visualization Dashboard

The platform provides a large visual screen and management dashboard, centrally displaying the cold chain logistics and warehousing operation status, including:

• Warehouse distribution map

• Real-time vehicle location

• Temperature and humidity monitoring

• Alarm statistics

• Number of online devices

• Energy consumption analysis

• KPI performance indicators

Helping managers fully understand the operational status and make scientific decisions.

Typical Application Scenarios

• Pharmaceutical Cold Chain Transportation

• Vaccine Transportation

• Fresh Food Logistics

• Frozen Food Distribution

• Cold Chain Warehousing Centers

• Cold Storage and Fresh Food Warehouses

• Supermarket Distribution Centers

• Third-Party Logistics (3PL)

• Chemical and Hazardous Goods Transportation

• Cross-border Cold Chain Logistics