| 自动控制元器件在空气源热泵（冷水）机组中的应用 |
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| 引用本文： | 杜玉清,周锦生,徐亮.自动控制元器件在空气源热泵（冷水）机组中的应用[J].制冷与空调(北京),2012(3):109-115. |
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| 作者姓名： | 杜玉清 周锦生 徐亮 |
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| 作者单位： | 英格索兰亚太工程技术中心 |
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| 摘 要： | 空气源热泵（冷水）机组以空气作为热源,释放热量或吸收热量,每个运行周期内空气温度和含湿量跨度大,水温从低到高变化大,机组运行条件恶劣,需要完善的控制。本文分析空气源热泵（冷水）机组控制中的主要难点：制冷剂流量控制、除霜、压缩机保护、换热器防冻保护。依据产品开发中自动控制元器件应用的经验,提出提高可靠性、保证能效和降低成本的方案和策略。
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| 关 键 词： | 自动控制 空气源热泵 流量控制 除霜 压缩机 |
Applications of auto control components into air source heat pump （water chiller） packages |
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| Du Yuqing Zhou Jinsheng Xu Liang.Applications of auto control components into air source heat pump （water chiller） packages[J].Refrigeration and Air-conditioning,2012(3):109-115. |
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| Authors: | Du Yuqing Zhou Jinsheng Xu Liang |
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| Affiliation: | Du Yuqing Zhou Jinsheng Xu Liang(Ingersoll Rand Engineering ＆ Technology Center-Asia Pacific) |
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| Abstract: | Air source heat pump（water chiller） packages use air as thermal source to reject heat or absorb heat,which needs the perfect control because of their bad working conditions,namely large scale temperature and humidity of air,great variation of water temperature from low to high.The main difficulties are analyzed at air source heat pump（water chiller） packages control,such as flow control of refrigerant,defrost,protection of compressor,frost protection of water-side heat exchanger.The schemes and strategies that have higher reliability,can ensure energy efficiency and decrease cost are put forward,based on the application experience of auto control components at air source product development. |
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| Keywords: | auto control air source heat pump flow control defrost compressor |
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