Alarm device for fire extinguisher and fire extinguisher with alarm device

• Main Authors: LU CHENGYING, CHEN WENXIANG, CHAI JUNPING, DENG WEN, JEONG SEUNG HAN, MA CHENGGONG, YUE JUN, WANG YONGHUI, WANG FULIN, LUO YUTANG
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2024
• Subjects: ALARM SYSTEMS; FIRE-FIGHTING; HUMAN NECESSITIES; LIFE-SAVING; ORDER TELEGRAPHS; PHYSICS; SIGNALLING; SIGNALLING OR CALLING SYSTEMS

The utility model provides an alarm device for a fire extinguisher, which comprises an electric contact pressure gauge, a protective box, a buzzer, a battery compartment and a switch, a low-position static contact and a high-position static contact of the electric contact pressure gauge are connected with a first socket through a junction box and a first extension line, and a movable contact is connected with a second socket through the junction box and a second extension line; one pin of the positive electrode of the buzzer is connected with the positive electrode of the battery through a first lead, and the switch is arranged on the first lead and is in a normally-closed state; a negative electrode pin of the buzzer is connected with a second plug through a second lead, and the second plug is inserted into the second socket. The cathode of the battery is connected with a first plug through a third lead, and the first plug is inserted into the first socket. The battery bin and the buzzer are installed in the