Ventilating fan intelligence switch

The utility model discloses a ventilating fan intelligence switch has the technological advantage that intelligent control ventilating fan opened, and its structure includes: controller, an electromagnetic relay, temperature sensor, first toxic gas detection device, second toxic gas detection device, temperature sensor, first toxic gas detection device, second toxic gas detection device with parallelly connected mode with the controller is connected, the controller with an electromagnetic relay connects, the controller is used for receiving a control electromagnetic relay's control end is closed behind temperature sensor, first toxic gas detection device or second toxic gas detection device's the output signal. The utility model discloses switching that can intelligent control ventilating fan. 本实用新型公开种换气风机智能开关，具有智能控制换气风机开启的技术优点，其结构包括：控制器、第电磁继电器、温度传感器、第有毒气体检测装置、第二有毒气体检测装置；所述温度传感器、第有毒气体检测装置、第二有毒气体检测装置以并联的方式与所述控制器连接；所述控制器与所述第电磁继电器连接，所述控制器用于在接收到所述温度传感器、第有毒气体检测装置或第二有毒气体检测装置的输出信号后控制第电磁继电器的控制端闭合。本实用新型能够智能控制换气风机的开闭。