Power signal isolator

The utility model discloses a power supply signal isolator, comprising a power supply connection circuit used for monitoring connection of a power supply between a device and a sensor; the signal connection circuit is used for monitoring signal connection between the equipment and the sensor; and the control circuit is used for controlling on and off of the power supply connecting circuit and thesignal connecting circuit. Compared with the prior art, the beneficial effects of the utility model are that: can play the isolation effect when real-time monitoring equipment collects the water volume or the water level, on one hand, reduce the power consumption, on the other hand, play the effect of isolating the lightning stroke in the non-collection state. 本实用新型公开了电源信号隔离器，包括电源连接电路，用于监测设备与传感器之间电源的连接；信号连接电路，用于监测设备与传感器之间信号的连接；控制电路，用于控制电源连接电路以及信号连接电路的开、关。对比现有技术，本实用新型的有益效果在于：能够在实时监测设备采集水量或水位时起到隔离的作用，一方面降低功耗，另一方面在非采集状态时起到隔离雷击的作用。