Visual monitoring system for laboratory

The invention relates to the field of visual monitoring, in particular to a laboratory visual monitoring system, which is characterized in that a liquid nitrogen tank liquid level detector is arranged in a liquid nitrogen tank of laboratory equipment, a temperature sensor, an air pressure sensor and a carbon dioxide concentration sensor are arranged in an incubator, and a temperature sensor is arranged in a refrigerator; a temperature sensor and a humidity sensor are arranged on a working platform, a voc concentration sensor, a formaldehyde concentration sensor, a PM2.5 concentration sensor and a carbon dioxide gas cylinder inner pressure sensor are arranged in an indoor environment, data are received through a repeater in a repeater data receiving module, and the repeater data receiving module is connected with a Windows server database. The Windows server is connected with a monitoring terminal and a 3D laboratory scene terminal, the monitoring terminal carries out data monitoring and data management throug