The utility model relates to the field of automatic
temperature control devices, in particular to a central air-conditioning practical
training assessment device, which comprises a
cooling tower, a water chilling unit, an air cabinet, a
simulation room and a control cabinet, one side of the
cooling tower is connected with the cooling unit through a water return port 1, a water outlet 1 and an external water replenishing
pipe, one side of the cooling unit is connected with the air cabinet, and the other side of the cooling unit is connected with the
simulation room. One side of the air cabinet is connected with the
simulation room through an
exhaust pipe, and the
cooling tower, the water chilling unit, the air cabinet and the simulation room are all connected with the control cabinet. According to the utility model, the cooling
tower, the water chilling unit, the air cabinet, the simulation room and the control cabinet are used for controlling and adjusting the
refrigeration and heating functions of the equipment, and meanwhile, the control cabinet adopts the PLC as a main
control system, so that the control cabinet is more reliable than the traditional control cabinet, and can realize real-
time control by combining with an industrial touch screen, thereby effectively increasing the
refrigeration and
heating efficiency.