Micro-channel magnetic suspension centrifugal water chilling unit

The utility model discloses a micro-channel magnetic suspension centrifugal water chilling unit which comprises a magnetic suspension centrifugal compressor, a dry evaporator, a first electronic expansion valve and a micro-channel condenser which are sequentially connected to form a refrigerant circulation loop. The magnetic suspension centrifugal compressor is provided with a motor cooling channel used for cooling a motor of the compressor, and the motor cooling channel is provided with a cooling inlet and a cooling outlet. The cooling inlet is connected with a liquid refrigerant outlet of the dry type evaporator, and a refrigerant flowing out of the cooling outlet is conveyed into the refrigerant circulation loop. According to the utility model, the energy efficiency ratio of the magnetic suspension centrifugal water chilling unit is improved. 本实用新型公开了一种微通道磁悬浮离心式冷水机组，包括依次相连形成冷媒循环回路的磁悬浮离心式压缩机、干式蒸发器、第一电子膨胀阀和微通道冷凝器；磁悬浮离心式压缩机具有用于对压缩机的电机进行冷却的电机冷却通道，该电机冷却通道具有冷却入口和冷却出口；冷却入口与干式蒸发器的液态冷媒出口相连，冷却出口流出的冷媒输送至冷媒循环回路中。本实用新型