Failure fault diagnosis device of battery

The utility model relates to the technical field of battery detection, in particular to a battery failure fault diagnosis device, which adopts the technical scheme that the battery failure fault diagnosis device comprises a machine base, a conveying assembly is fixedly mounted in the middle of the upper end of the machine base, a battery main body is placed at the upper end of the conveying assembly, and a temporary storage box for other reasons is placed on the lower side of the right end of the conveying assembly; the device has the beneficial effects that the photoelectric sensor is used for detecting whether the bottom of the battery main body is bulged or not, a detection result is fed back to the automatic push rod, and the battery main body with the bulged bottom is pushed into the temporary storage box with the bulged bottom by using the automatic push rod; the bottom of the battery is automatically detected by the detection device, manual detection is replaced, the detection efficiency is improved, t