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F30—ⅡB、F30—ⅡC、F30—ⅢA、Fx—200型等型号 X 线机是目前军内外较普遍使用的放射线诊断设备。但是这些型号的机器的限时电路所使用的 JH—1E极化继电器线圈容易断路,尤其是12—13绕组断路后,会发生曝光不能终止的故障,如不能及时关闭电源,易导致 X 线管超负荷而损坏,这种故障已不鲜见。往往造成不应有的经济损失。为改变这种状况,笔者在 F30—ⅡB 型200MAX 线机的原限时电路加
X-ray machines such as F30-ⅡB, F30-ⅡC, F30-ⅢA and Fx-200 are the most widely used radiodiagnostic equipment inside and outside the military. However, the JH-1E polarization relay coil used in the time-limited circuits of these models is easy to break. Especially after the 12-13 winding is broken, the exposure can not be terminated. If the power can not be turned off in time, the X-ray tube Load and damage, this failure is not uncommon. Often caused by unnecessary economic losses. To change this situation, I author in the F30-Ⅱ B 200MAX original circuit when the circuit limit