【摘要】 在可燃性气体状态监测中 ,要求能够准确获取当前状态的浓度值 ,当超标时能给出报警信号及当前报警时刻 ,这就涉及到一个实时时钟的问题。文中详细论述了实时时钟的实现及如何利用二个按键来实现在线年月日时分秒的校准。更多还原

【Abstract】 In the monitor of the conditions of flammable gases, it is required to get the current concentration instantaneously and truly. When the current concentration is above the warning value, the system can give the warning signals and current time immediately this might deal with the issue of a real-time clock. In this paper, the realization and calibration of the real-time clock of its month, day, hour, minute and second only by two keys are introduced in detail.更多还原