Drive circuit of breather valve and breathing machine

• Main Authors: XU CHUANGYE, CHEN ZHIHUA, WANG SHAOHUA, JANG HYOJUN
• Format: Patent
• Language: Chinese; English
• Published: 21.11.2023
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The invention relates to the technical field of medical equipment, in particular to a drive circuit of a breather valve and a respirator, the drive circuit of the breather valve comprises a first processor, a valve control circuit and a valve monitoring circuit, a gate drive chip is arranged in the valve control circuit, and the gate drive chip is low in cost and high in reliability. Grid current can be quickly provided or absorbed, level conversion time can be shortened, heating of an MOS tube can be reduced to a great extent, meanwhile, a valve monitoring circuit is arranged to monitor signals of the negative electrode of a voice coil motor in the breather valve and input monitoring signals to a first processor, and the first processor adjusts driving signals in time according to the monitoring signals, so that the breather valve is protected. The precision of the driving signal is ensured, the voice coil motor can be accurately controlled by the first processor, and the force control precision of the voice