Modular immersed liquid cooling device

The utility model provides a modular immersed liquid cooling device. The device comprises a main tank module and an auxiliary tank module, a first pipeline, a second pipeline and a third pipeline aresequentially connected between the main tank module and the auxiliary tank module from top to bottom; cooling liquid is arranged in the main tank module, no high-heat-dissipation electronic assembly is soaked in the cooling liquid, a condensation copper pipe is arranged at the upper end of the inner wall of the auxiliary tank module, a liquid collecting and filtering device is arranged below the condensation copper pipe, and a power mechanism is arranged at the bottom of the liquid collecting and filtering device. According to the utility model, the integrated module is divided into the main groove module and the auxiliary groove module, flexible upgrading can be carried out according to requirements of equipment, and the equipment is prevented from being scrapped after technology iteration upgrading. 本实用新型提供了一种模块