Welding component cooling system with a device for designating the cooling liquid, and welding component comprising such a welding component cooling system

A welding component cooling system (1) for cooling a welding component (SK), in particular a welding torch (SB), comprising at least one container (2) for cooling liquid (3), a cooling circuit (4) with corresponding cooling lines (5), at least one pump (6) arranged in the cooling circuit (4) for conveying the cooling liquid (3) through the cooling lines (5) in the cooling circuit (4), and at least one heat exchanger (7) arranged in a cooling line (5), wherein a device (8) for deionizing the cooling liquid (3) is provided in the cooling circuit (4), wherein at least one sensor (14) for measuring the conductance (S) and at least one temperature sensor (16) for measuring the temperature of the cooling liquid (3) is arranged in the cooling circuit (4) as well as at least one sensor (15) for measuring the flow rate (Q) of the cooling liquid (3) in the cooling circuit (4) and connected in each case to a control device (17), wherein the control device (17) can be connected to a welding current source (SQ) connected to the welding component (SK).