Constant temperature exchange device

The utility model discloses a constant temperature exchange device, wherein, constant temperature exchange device provides equipment (1), hydrologic cycle equipment (4) and condensing equipment (2) including the cooling water that sets up in order, and the cooling water provides equipment and still communicates in treating cooling arrangement (3), wherein, the cooling water is provided with temperature-sensing equipment (5) on providing equipment, provides at the cooling water and is provided with breaker (6) between equipment and the hydrologic cycle equipment, and temperature-sensing equipment is configured as the electricity and connects in the comparator, and the comparator is configured as to be connected in the breaker to the output level signal control breaker is open mode or closure state. Above-mentioned design provides equipment, hydrologic cycle equipment and condensing equipment through setting up the cooling water of connecting in order, and the cooling water provides and be provided with the breaker between equipment and the hydrologic cycle equipment, set up on the cooling water provides equipment simultaneously the electricity connect in the temperature-sensing of comparator equipment and control switch floodgate open with the closure, realize effective control cooling temperature to can the equalizing control.