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近几年在电视台进行数字化改造的过程中,电视台数字机房设备的故障率明显高于模拟设备,而且有相当一部分原因是机房基础建设不规范造成的。我国的广播电视事业发展速度很快,设备用量急剧增加,原有机房空间有限,冷却条件不足使得改造后的数字播出机房,问题频繁发生。经过实践的总结,我们越来越深刻地认识到:电视机房除满足设备对温度、湿度和空气洁净度的、电源质量(电压、频率、稳定性)、地线,电磁场和振动等项技术的要求,还应满足机房工作人员对照度、噪声等规范的要求,同时也深切地体会到:机房环境、系统的测试、电缆的选择等方面,对数字电视机房的正常运行,起着关键的作用。
In recent years, the digital transformation of television stations in the process of television station digital equipment failure rate was significantly higher than analog equipment, and a considerable part of the reason is due to non-standard engine room infrastructure. The rapid development of China’s radio and television industry, equipment consumption increased dramatically, the original room limited space, lack of cooling conditions make the modified digital broadcast room, the problem occurs frequently. After practice, we are more and more aware of: TV room in addition to meet the equipment on the temperature, humidity and air cleanliness, power quality (voltage, frequency, stability), ground, electromagnetic fields and vibration and other technologies Requirements, but also to meet the engine room staff contrast, noise and other regulatory requirements, but also deeply understand: room environment, system testing, cable selection, etc., on the normal operation of digital TV room plays a key role .