| 一种直流电机驱动板的故障分析与改造方案 |
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| 引用本文： | 敖国旭.一种直流电机驱动板的故障分析与改造方案[J].重庆电子工程职业学院学报,2013(6):153-155. |
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| 作者姓名： | 敖国旭 |
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| 作者单位： | 重庆市轨道交通（集团）有限公司,重庆400042 |
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| 摘 要： | 该文分析了一种用L298N芯片控制驱动直流电机的主控板产生故障的原因,提出了以继电器作为L298N芯片与直流电机之间隔离保护的改造方案,有效地排除L298N芯片及其相关电路被烧毁的故障,能提高设备的有效使用率,降低设备运行成本.
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| 关 键 词： | 轨道交通 半自动售票机 继电器 |
A Fault Analysis and Reform Scheme of DC Motor Drive Board |
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| AO Guoxu.A Fault Analysis and Reform Scheme of DC Motor Drive Board[J].Journal of Chongqing Vocational & Technical Institute,2013(6):153-155. |
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| Authors: | AO Guoxu |
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| Institution: | AO Guoxu ( Chongqing Metro Group Co.,Ltd, Chongqing 400042, China) |
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| Abstract: | This paper analyse the fault cause of the control board which dirved by L298N, a reform scheme of isolation protection between L298N and DC motor used relays has presented. And the scheme was able to avoid the burned of L298N chip and related circuit effectively. |
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| Keywords: | rail transit booking office machine relay |
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