专利名称:HEAT PUMP WATER HEATER发明人:尾花 利彦申请号:JP2015034665申请日:20150225公开号:JP90984B2公开日:20190327
摘要:PROBLEM TO BE SOLVED: To obtain information on water circulation when atemperature of water circulating in a circulation circuit 4 becomes abnormal so as toanalyse the cause of the abnormality of the circulation circuit 4.SOLUTION: Whendetecting an abnormality of a temperature of circulating water, a control device 6 stopsan operation of a heat pump unit 1 and analyses the cause of the abnormality on thebasis of a change in the water temperature. After stop of the operation of the heat pumpunit 1, if the temperature of the circulating water is not lowered, the control device 6determines that a circulation circuit 4 has an abnormality. The control device 6determines freezing of the water on the basis of an outside air temperature or a
temperature of water flowing from a tank 2 to the heat pump unit 1. The control device 6determines that the abnormality is caused by impurities accumulated in the circulationcircuit 4 when a cumulative operation time obtained by integrating operation times of acirculation pump 5 is long, and determines that the abnormality is caused by air stagnantin the circulation circuit 4 when the cumulative operation time is short.SELECTEDDRAWING: Figure 1
申请人:シャープ株式会社
地址:大阪府堺市堺区匠町1番地
国籍:JP
代理人:大島 泰甫,稗苗 秀三,小羽根 孝康,藤原 清隆
更多信息请下载全文后查看
因篇幅问题不能全部显示,请点此查看更多更全内容
Copyright © 2019- igat.cn 版权所有 赣ICP备2024042791号-1
违法及侵权请联系:TEL:199 1889 7713 E-MAIL:2724546146@qq.com
本站由北京市万商天勤律师事务所王兴未律师提供法律服务