发明名称 |
HOT AND COLD WATER AIR CONDITIONING SYSTEM |
摘要 |
The hot and cold water air conditioning system includes a water temperature sensor configured to detect a temperature of water flowing out of the heat pump heat source apparatus by an operation of the water circulation pump, and a controller configured to perform, in a heating operation, on/off normal control that turns on a compressor when the water temperature detected by the water temperature sensor becomes lower than a target water temperature and turns off the compressor when the water temperature becomes higher than a first temperature value higher than the target water temperature, and to switch from the on/off normal control, upon repeating the on/off operation of the compressor at a minimum frequency necessary for an operation of the compressor in the on/off normal control, to on/off restriction control that turns on the compressor when the water temperature becomes lower than a second temperature value lower than the target water temperature and turns off the compressor when the water temperature becomes equal to or higher than a third temperature value higher than the target water temperature. |
申请公布号 |
US2015135750(A1) |
申请公布日期 |
2015.05.21 |
申请号 |
US201414516617 |
申请日期 |
2014.10.17 |
申请人 |
Mitsubishi Electric Corporation |
发明人 |
USHIJIMA Takahiro |
分类号 |
F25B49/02;F25B29/00 |
主分类号 |
F25B49/02 |
代理机构 |
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代理人 |
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主权项 |
1. A hot and cold water air conditioning system that includes a heat pump heat source apparatus including a compressor driven according to an operation frequency, an air-conditioning apparatus configured to perform air conditioning in a room, pipes connecting the heat pump heat source apparatus and the air-conditioning apparatus in a ring shape thereby forming a circulation path, and a water circulation pump configured to circulate water inside the pipes, the system comprising:
a water temperature sensor configured to detect a temperature of water flowing out of the heat pump heat source apparatus by an operation of the water circulation pump; and a controller configured to perform, in a heating operation, on/off normal control that turns on the compressor when the water temperature detected by the water temperature sensor becomes lower than a target water temperature and turns off the compressor when the water temperature becomes higher than a first temperature value higher than the target water temperature, wherein the controller is configured to switch from the on/off normal control, upon repeating an on/off operation of the compressor at a minimum frequency necessary for an operation of the compressor in the on/off normal control, to on/off restriction control that turns on the compressor when the water temperature becomes lower than a second temperature value lower than the target water temperature and turns off the compressor when the water temperature becomes equal to or higher than a third temperature value higher than the target water temperature. |
地址 |
Tokyo JP |