Maintenance-free online monitoring respirator for transformer

A transformer maintenance-free online monitoring respirator comprises a respirator assembly, a control box and an air path assembly, the respirator assembly comprises a first respirator body and a second respirator body, the air path assembly comprises a first ventilation pipeline, a second ventilation pipeline and a connecting pipe, and the lower end of the first ventilation pipeline is communicated with the top of the first respirator body; the lower end of the first ventilation pipeline is communicated with the top of the first respirator, the lower end of the second ventilation pipeline is communicated with the top of the second respirator, the upper end of the first ventilation pipeline and the upper end of the second ventilation pipeline are both communicated with the lower end of the connecting pipe, the first respirator and the second respirator are the same in structure, the first respirator comprises a barrel and a filter, the barrel is hollow, and silica gel is filled in the barrel. A heating assem