论文部分内容阅读
在维修理疗设备中 ,我们常常碰到超短波治疗机振荡管屏极发红的故障。这种一般导致超短波治疗机的输出减弱或无输出。屏极发红的程度可由微红到很红 ,发现很红故障时 ,应立即关掉电源 ,以免损坏振荡管。屏极发红是由大量功率消耗在振荡管上造成的 ,一般认为与电源电路无关 ,而
In the maintenance of physiotherapy equipment, we often encounter the very red fault of the ultra-short-wave treatment machine oscillation tube. This generally results in a reduction in the output of the ultrashort therapeutic machine or no output. The redness of the screen may be reddish to very red. When a red fault is found, the power should be turned off immediately to avoid damaging the oscillating tube. The screen redness is caused by a large amount of power consumed in the oscillating tube and is generally considered to be independent of the power supply circuit.