Gas alarm dedicated for cooking appliances

• Main Authors: LUO SHENGDAO, LI QIUYANG, ZHANG YANYAN
• Format: Patent
• Language: English
• Published: 08.04.2015
• Subjects: ALARM SYSTEMS; ORDER TELEGRAPHS; PHYSICS; SIGNALLING; SIGNALLING OR CALLING SYSTEMS

The utility model relates to the technical field of an alarm device, particularly to a gas alarm dedicated for cooking appliances. The gas alarm comprises a processor, a sensor unit, a buzzer unit, an execution mechanism, a first DC power supply and/or a second DC power supply. The processor controls the buzzer unit and the execution mechanism to operate according to detection signals of the sensor unit. The first DC power supply provides a 5VDC power supply for the processor and the sensor unit and provides a 30 VDC power supply for the buzzer unit through a first boost circuit. The second DC power supply provides a 3VDC power supply for the processor and provides a 5VDC power supply for the processor, the sensor unit and the first boost circuit through a second boost circuit. According to the utility model, a dual power supply manner of the alarm is achieved through the arrangement of the two DC power supplies, the alarm is allowed to be easily assembled and used according to the on-site environment and needs, and the normal operation of the alarm for a long time is effectively ensured; and meanwhile, the arrangement of the corresponding parts allows the alarm to have the advantages of simple structure, low power consumption, safety and reliability and the like and to have a high practicality and a high marketing valve.