【摘要】 结合放大电路的基础上提出了一种利用继电器控制电路,实现声光报警功能的方法,使报警电路简单、可靠、实用,完全可以实现声光报警功能。克服了传统方法缺点,更好地实现了对桥梁意外的报警处理。更多还原

【Abstract】 A method which realized sound-light alarming based on the relay controlling circuit was introduced. The result demonstrated that the alarming system was simple, reliable and practical. This method overcame the disadvantages of traditional methods, realized the purpose of monitoring bridge better.更多还原