| 摘要 |
FIELD: heating.SUBSTANCE: control method of cooling agent flow supplied to evaporator (1) consisting of cooling system additionally containing control valve (12) and compressor, at that, control valve (12), evaporator (1) and compressor are located on cooling agent flow path so that cooling agent can flow via them, is described. The above method involves the following stages at which: opening degree of control valve (12) is increased with increase in cooling agent flow supplied to evaporator (1) to the degree that is sufficient to eliminate dry zone (3) of evaporator (1); when a certain period of time passes, opening degree of control valve (12) decreases; stages of increase and decrease of opening degree of control valve (12) are repeated. As a result, "pulse" nature of change of control valve (12) opening degree is obtained, which provides "switch-over" of overheating value of cooling agent leaving evaporator (1) between zero value and low positive value. At that, the quantity of liquid cooling agent passing through evaporator (1) is rather low to keep the compressor safe.EFFECT: reduction of average overheating value of cooling agent leaving evaporator (1) is provided, and use efficiency of cooling efficiency of evaporator is improved.6 cl, 6 dwg |
