Quick cooling central processing unit null of air conditioner for automobile

摘要

PURPOSE:To prevent an evaporator from refrigeration and insufficient cooling by correcting either a second desired value having the large degree of cooling or a quick cooling release request judging value according to the cooling change property of the evaporator if a requirement for changing the cooling property of the evaporator is present in the quick cooling. CONSTITUTION:When a quick cooling request judging means 100 judges the presence of the request of quick cooling, a desired value selecting means 300 selects a second desired value to increase the cooling degree of an evaporator 8 and a capacity judgement controlling means 400 controls the capacity of a compressor 10 on the basis of the selection. When a release request judging means 200 judges the request for rereasing the evaporator from quick cooling, it controllably selects a first desired value having the small cooling degree. When a cooling property change judging means 500 judges the presence of the requirement for changing the cooling property during quick cooling, either the second desired value or a value judged by the release request judging means 200 is corrected according to the change in the cooling property of the evapora tor 8.