Freeze dryer technology
In order to comply with the trend of intelligence and informationization of freeze dryers, experts have transformed the data of the freeze dryers into a cloud. The main steps of the entire project are the project architecture; the hardware preparation required for system development, including the hardware required for system development and the various hardware connection methods; the establishment of the operating environment; the establishment of the development environment; the PLC communication protocol; the data preparation; the preparation of the code , Including obtaining the serial port expression string of the development board, freeze-dryer data acquisition program, etc.
In this project, the expert used an ARM development board to replace the traditional PC. Compared with the traditional PC system architecture, the ARM development board has many advantages, such as small size, low power consumption, low heat generation, stable operating system, and easy installation. A general-purpose ARM development board with a Linux operating system and RS232 / 485 serial port can be used.
项目 The project is not only a product of the intelligent era of medical equipment, but also provides a reference for the various types of pharmaceutical equipment informatization transformation. What's more important is that the process of data collection has stored all pharmaceutical equipment operating data in a SQL database located in the cloud, which is of great significance for the statistics of various big data in the future and the traceability of drug quality.
除了 In addition to the intelligent development, lyophilizers are also standardized in accordance with the requirements of laws and regulations. Many freeze dryer enterprises will further explore. Taking the lyophilizer filter core complete detection method as an example, most of the sterile preparations produced by the lyophilizer are non-terminally sterilized sterile preparations. For non-terminally sterilized sterile preparations, the sterility guarantee of the preparations mainly depends on the sterility control in the production process, and in the production process control of the sterile preparations before entering the lyophilizer, the filter element Integrity plays a key role.
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