Cooling system of high-temperature circulating pump

The invention discloses a cooling system of a high-temperature circulating pump, the circulating pump comprises an independent circulating medium channel and a cooling liquid channel used for cooling a motor of the circulating pump, and the cooling system comprises a water tank, a radiator, a cooling liquid pump, a deionization module used for adsorbing conductive ions in cooling liquid and a controller; wherein a cooling liquid channel outlet of the circulating pump, the radiator, the cooling liquid pump, the deionization module and a cooling liquid channel inlet are sequentially in butt joint through pipelines to form a closed cooling liquid circulating channel; a first conductivity sensor and a second conductivity sensor are arranged on the pipelines at the two ends of the deionization module respectively, and a water injection opening in the top of the radiator is in butt joint with the water tank; according to the comparison value of the induction conductivity values of the first conductivity sensor and