Toxic gas online monitoring system and method based on wireless signal transmission

The invention discloses a toxic gas online monitoring system and method based on wireless signal transmission. The system comprises a gas detector, an in-situ monitoring host, an audio and video monitoring system, a standard exceeding alarm device, an upper computer control software platform and a monitoring information management system, the gas detector performs continuous long-term high-precision detection on toxic gas in a production field and transmits data information to the on-site monitoring host, the on-site monitoring host converts the data information into wireless signals and transmits the wireless signals to the upper computer, and the upper computer uploads the data to the monitoring information management system; when data of poisonous gas on a production site exceeds the standard, the standard-exceeding alarm device is started, the detector can give out a sound-light alarm, and an upper computer can send alarm information to related individuals in a short message mode. The on-line monitoring s