Foreign instrument industry development characteristics

Since the beginning of the 21st century, the development of foreign instrumentation industry has presented some new features, which has aroused the attention of the instrument industry in China.

First, the universal application of new technologies currently widely used in electronic design automation (EDA), computer-aided manufacturing (CAM), computer-aided testing (CAT), digital signal processing (DSP), application-specific integrated circuit (ASIC) and surface mount technology (SMT ) And other technologies.

Second, changes in product structure While attaching importance to the development of high-end equipment, we must pay attention to the development and production of high-tech and large-scale products. Focus on system integration, focusing not only on stand-alone, but also on system and product softening. With various types of instruments equipped with CPUs and digitization, the software has invested huge human and financial resources. Future instruments are summarized into a simple formula: "Instrument=AD/DA+CPU+Software". The AD chip converts the analog signal into a digital signal, which is converted by software and then output by the DA.

Third, changes in product development criteria have changed from technology-driven to market-driven, from a blind pursuit of high precision to "just right." The criteria for developing a successful product are: users have clear requirements; can use the shortest development time to market; function and performance should be just right; another change in product development guidelines is to shrink direction and focus on advantages.

Fourth, pay attention to professional production and no longer a large and complete production process using automatic testing system. At present, many GP-IB instruments are used to set up an automatic test system and a large test cabinet is used in the production line to conduct automatic test, statistics, analysis, and printout of results.

Screw Chiller

Screw chiller is called screw chiller because of its key component-compressor. The unit is made of gas refrigerant from the evaporator; after the compressor is adiabatically compressed, it becomes a high temperature and high pressure state. The compressed gas refrigerant is cooled and condensed in the condenser at equal pressure, and after condensing, it changes into a liquid refrigerant, and then expands to a low pressure through a throttle valve to become a gas-liquid mixture. The liquid refrigerant under low temperature and low pressure absorbs the heat of the material to be cooled in the evaporator and becomes gaseous refrigerant again. The gaseous refrigerant re-enters the compressor through the pipeline and starts a new cycle. The principle flow of screw chiller is divided into air cooling and water cooling.

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Shenzhen Toyocool Refrigeration Equipment Co.,Ltd. , https://www.toyochiller.com