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In response to this demand, Chuangyi Technology has launched a pharmaceutical factory logistics temperature and humidity monitoring system based on RFID + GPRS. Through the combination of advanced active RFID technology and wireless communication technology, the quality of products can be managed in a meticulous and real-time manner.
System principle
First of all, before the medicine box is put into the cold chain truck, the temperature and humidity label will be installed in the logistics truck. After the shipment starts, it will continue to record the temperature and humidity of the environment where the items are located. The label information is sent wirelessly. The label uses the ZigBee microwave label, which ensures that the information can be sent to the PDA outside the medicine box through the metal medicine box, so that the PDA placed at the door of the logistics vehicle can read the data sent by the label, and show. If the temperature reaches a preset limit value, an alarm is issued. The system controls the PDA reading time, controls the PDA switch to read the data sent by the tag every few minutes, and sends it to the computer in the logistics center of the pharmaceutical factory through a table or curve.
System flow
Some software functions
Real-time data collection: The temperature of the medicine in the refrigerated truck is collected truthfully, and the PDA sends it to the system center every preset time, and displays it in real time, which is convenient for reading real-time data on site.
Data storage: All collected data are stored in the PDA synchronously and in real time, and sent to the management center via GPRS to realize the storage function. Of course, the PDA itself can also realize the storage function and can store and query the data at any time.
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