Stand alone type gas detector power supply circuit

The utility model provides a stand alone type gas detector power supply circuit relates to safety inspection technical field, including ADDC voltage conversion circuit, DCDC voltage conversion circuit and solenoid valve control circuit, ADDC voltage conversion circuit and DCDC voltage conversion circuit polyphone, DCDC voltage conversion circuit and solenoid valve control circuit are parallelly connected. The utility model discloses a stand alone type gas detector power supply circuit has wide region input voltage, adapts to different voltage requirement occasions. Stabilization of output, the work steady in a long -term of free -standing gas detector product can be guaranteed to anti electrical interference ability reinforce. 本实用新型提供种独立式可燃气体探测器电源电路，涉及安全检测技术领域，包括AD/DC电压转换电路、DC/DC电压转换电路和电磁阀控制电路，AD/DC电压转换电路与DC/DC电压转换电路串连，DC/DC电压转换电路与电磁阀控制电路并联。本实用新型的独立式可燃气体探测器电源电路具有宽范围输入电压，适应不同电压要求场合。输出电压稳定，抗电干扰能力强，能够保证独立式可燃气体探测器产品长期稳定工作。