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发明公开
CN106610443A 交流输入电压感测装置 有权

交流输入电压感测装置
摘要：
一种交流电压感测装置，电连接于交流电源，交流电压感测装置包含第一输入端、第二输入端、判断单元、第一电压感测单元及第二电压感测单元。第一输入端电连接于交流电源的地线，第二输入端电连接于交流电源的火线。判断单元包含第一功率开关、第二功率开关及输出端，第一功率开关及第二功率开关串接，输出端耦接于第二功率开关。第一电压感测单元电连接于第一输入端及第一功率开关，第二电压感测单元电连接于第二输入端及第二功率开关。判断单元于交流电源的火线及地线皆正常供电时，由输出端输出正常操作信号。
摘要（英）：

The invention provides an alternating current voltage sensing device which is electrically connected with an alternating current power supply. The alternating current voltage sensing device comprises a first input end, a second input end, a judging unit, a first voltage sensing unit and a second voltage sensing unit. The first input end is electrically connected with the ground line of the alternating current power supply. The second input end is electrically connected with the fire line of the alternating current power supply. The judging unit comprises a first power switch, a second power switch and an output end. The first power switch and the second power switch are connected in series. The output end is coupled to the second power switch. The first voltage sensing unit is electrically connected with the first input end and the first power switch. The second voltage sensing unit is electrically connected with the second input end and the second power switch. The output end of the judging unit outputs a normal operation signal when the fire line and the ground line of the alternating current power supply carry out normal power supply.

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