Cooling water control system of test bench

The invention belongs to the technical field of cooling water treatment, and particularly relates to a cooling water control system of a test bench, comprising a test bench, which is provided with a cooling water inlet pipe and a cooling water outlet pipe. The test bench cooling water control system is characterized by further comprising: a water pump, a hot water cooling pool, a cold water sourcestorage tank and a controller, a water outlet of water pump is connected with the cooling water inlet pipe, a water inlet is connected with the hot water cooling pool and the cold water source storage tank through a tee pipe, a branch pipe 1 and a branch pipe 2, the branch pipe 1 and the branch pipe 2 are provided with an electromagnetic valve 1 and an electromagnetic valve 2 respectively, the cooling water outlet pipe is connected with top of the hot water cooling pool, a temperature sensor 1 is arranged on the water inlet of the water pump and the tee pipe, a temperature sensor 2 is arranged on the cooling water ou