Equipment operation state online evaluation method

The invention belongs to the field of power transmission line on-line monitoring, and discloses an equipment operation state on-line evaluation method, which aims at checking whether the photographing function of monitoring equipment is stable or not and quickly checking factors influencing the photographing stability, and comprises the following steps of: setting the photographing times within a set time; the actual photographing number and the time difference of picture uploading are calculated according to the picture photographing time and the actual uploading time, whether the device delays photographing or misses photographing is checked, when the device delays photographing or misses photographing, the online condition of the device is further checked, and when the device is online or after the device is restarted, the situation of delays photographing or misses photographing still exists, the device is not started. And if not, further checking the equipment signal, the battery voltage and the battery