| 摘要 |
An automatic room environment controller which avoids the unnecessary improving operation for the room environment, the controller comprising: member for detecting condition of room environment; member for improving means for improving the condition of the room environment; first member for comparing a value of the condition previously detected by the detecting means with a first predetermined value to determine whether operation of the improving means is necessary or not, so that the operation of the improving means is continued until the condition is improved to the first predetermined value when the necessity of the operation of the improving means; second member for comparing a value of the condition detected at present by the detecting means with the previously detected value of the condition to determine whether the condition corresponding to the value detected at present is improved than the condition corresponding to the previously detected value or not, when the condition corresponding to the value detected at present is not improved, to stop the operation of the improving means. |
