FREEZER AND MANUFACTURING METHOD FOR FREEZER

To remove frost of a fan, which cannot be removed only with defrosting operation of a heat exchanger, in a freezer that performs the defrosting operation of the heat exchanger.SOLUTION: A utilization unit 2 has an internal heat exchanger 11 that cools air in a target space, an internal fan 13 that g...

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Bibliographische Detailangaben
Hauptverfasser:	KURAMOTO SHOHEI, TOMITA CHIHARU, HIGASHIYA SHUNSUKE, TERAOKA YUKI, TAKIZAWA KENTA, MATSUE RYOJI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION OR COOLING REFRIGERATORS WEAPONS
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Beschreibung
Zusammenfassung:	To remove frost of a fan, which cannot be removed only with defrosting operation of a heat exchanger, in a freezer that performs the defrosting operation of the heat exchanger.SOLUTION: A utilization unit 2 has an internal heat exchanger 11 that cools air in a target space, an internal fan 13 that generates an airflow in a target space 100 in the internal heat exchanger 11, and a heater 14 that heats the internal fan 13. The heat source unit 3 exchanges heat with the internal heat exchanger 11. The control unit 4 controls the defrosting operation of the utilization unit 2 that causes the internal heat exchanger 11 to function as a radiator, and the ON/OFF of the heater 14. The control unit 4 can control the heater 14 so that the heater 14 is turned on in the period after the defrosting operation ends.SELECTED DRAWING: Figure 1 【課題】熱交換器のデフロスト運転を行う冷凍装置において、熱交換器のデフロスト運転だけでは除ききれないファンの霜を除去する。【解決手段】利用ユニット２は、対象空間の空気を冷却する庫内熱交換器１１、庫内熱交換器１１に対象空間１００の空気流を発生させる庫内ファン１３、及び庫内ファン１３を加熱するヒータ１４を有する。熱源ユニット３は、庫内熱交換器１１との間で熱の授受を行う。制御部４は、庫内熱交換器１１を放熱器として機能させる利用ユニット２のデフロスト運転とヒータ１４のオンオフを制御する。制御部４は、デフロスト運転の終了後の期間に、ヒータ１４がオン状態になるようにヒータ１４を制御可能である。【選択図】図１