Automatic liquid adding device for lead-acid storage battery of AGV (Automatic Guided Vehicle)

The utility model provides a lead-acid storage battery automatic liquid adding device for an AGV (Automatic Guided Vehicle). The lead-acid storage battery automatic liquid adding device comprises a liquid adding gun, a submersible pump, a liquid level sensor and a controller, twelve branch conveying pipes are evenly arranged on a main conveying pipe of the liquid adding gun at intervals, a stainless steel filling pipe is arranged on each branch conveying pipe, and a control valve is arranged on each filling pipe. A main conveying pipe of the liquid adding gun is connected with an output port of the submersible pump, and the submersible pump is arranged in the electrolyte barrel and used for conveying battery liquid into the main conveying pipe and the branch conveying pipes. The liquid level sensor is arranged at the set position of the filling pipe and used for detecting whether electrolyte in the battery reaches the set position or not when the filling pipe stretches into a liquid filling opening of the lea