| 摘要 |
<p>The process, especially for an upright or chest household freezer, is characterised by the following process steps, introduced on switching on the prefreezing device: … … (a) Detection of the amount and kind of the new load (mNL) and switching of the refrigerating unit into permanent operation, … (b) Interrogation as to whether preconditions for the measurement and testing of given operating conditions are fulfilled, … (c) Determination of the temperature gradients with respect to time in the user space of the freezing appliance to determine the basic load (mGL) of the appliance, … (d) Determination of the ideal prefreezing temperature or determination of the permissible amount of the new load (mNL) for the prevailing basic load (mGL), … (e) Setting the calculated prefreezing temperature as the new controller reference value, and … (f) Switching off the prefreezing switch after the new controller reference value has been reached and indicating the readiness of the appliance for freezing. … …<IMAGE>… </p> |
