热泵型蓄能多联机空调系统
为了提高多联机夏季运行制冷能力和COP并解决系统冬季运行因蒸发温度降低而导致的系统制热量衰减等问题,研制了一种兼具有蓄冷和蓄热功能的多联机蓄能空调系统,并进行了蓄冰、融冰释冷、蓄热、释热等运行模式下系统的性能实验研究。结果表明：在（夏季）夜间用电低谷蓄冰模式运行时间约8 h,能够蓄存380 MJ的冷量,用于增加白天运行时制冷剂的过冷度,铜管外结冰厚度约为35 mm,能够保证系统融冰供冷8 h;在释冷运行模式下机组制冷量可提高29%,COP提高到136.4%;在（冬季）夜间低谷时蓄能桶中贮存热水,白天释热运行模式下,通过提高压缩机的吸气温度/蒸发温度解决了系统制热量衰减的问题,并缓解了机组结霜现...
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| Published in | 制冷学报 Vol. 36; no. 4; pp. 92 - 97 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
上海理工大学制冷与低温工程研究所 上海200093
2015
|
| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-4339 |
| DOI | 10.3969/j.issn.0253-4339.2015.04.092 |
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| Abstract | 为了提高多联机夏季运行制冷能力和COP并解决系统冬季运行因蒸发温度降低而导致的系统制热量衰减等问题,研制了一种兼具有蓄冷和蓄热功能的多联机蓄能空调系统,并进行了蓄冰、融冰释冷、蓄热、释热等运行模式下系统的性能实验研究。结果表明：在（夏季）夜间用电低谷蓄冰模式运行时间约8 h,能够蓄存380 MJ的冷量,用于增加白天运行时制冷剂的过冷度,铜管外结冰厚度约为35 mm,能够保证系统融冰供冷8 h;在释冷运行模式下机组制冷量可提高29%,COP提高到136.4%;在（冬季）夜间低谷时蓄能桶中贮存热水,白天释热运行模式下,通过提高压缩机的吸气温度/蒸发温度解决了系统制热量衰减的问题,并缓解了机组结霜现象。 |
|---|---|
| AbstractList | 为了提高多联机夏季运行制冷能力和COP并解决系统冬季运行因蒸发温度降低而导致的系统制热量衰减等问题,研制了一种兼具有蓄冷和蓄热功能的多联机蓄能空调系统,并进行了蓄冰、融冰释冷、蓄热、释热等运行模式下系统的性能实验研究。结果表明：在（夏季）夜间用电低谷蓄冰模式运行时间约8 h,能够蓄存380 MJ的冷量,用于增加白天运行时制冷剂的过冷度,铜管外结冰厚度约为35 mm,能够保证系统融冰供冷8 h;在释冷运行模式下机组制冷量可提高29%,COP提高到136.4%;在（冬季）夜间低谷时蓄能桶中贮存热水,白天释热运行模式下,通过提高压缩机的吸气温度/蒸发温度解决了系统制热量衰减的问题,并缓解了机组结霜现象。 TU831.3%TQ051.5; 为了提高多联机夏季运行制冷能力和COP并解决系统冬季运行因蒸发温度降低而导致的系统制热量衰减等问题,研制了一种兼具有蓄冷和蓄热功能的多联机蓄能空调系统,并进行了蓄冰、融冰释冷、蓄热、释热等运行模式下系统的性能实验研究.结果表明:在(夏季)夜间用电低谷蓄冰模式运行时间约8h,能够蓄存380 MJ的冷量,用于增加白天运行时制冷剂的过冷度,铜管外结冰厚度约为35 mm,能够保证系统融冰供冷8h;在释冷运行模式下机组制冷量可提高29％,COP提高到136.4％;在(冬季)夜间低谷时蓄能桶中贮存热水,白天释热运行模式下,通过提高压缩机的吸气温度/蒸发温度解决了系统制热量衰减的问题,并缓解了机组结霜现象. |
| Author | 孟建军 武卫东 唐恒博 张华 |
| AuthorAffiliation | 上海理工大学制冷与低温工程研究所,上海200093 |
| AuthorAffiliation_xml | – name: 上海理工大学制冷与低温工程研究所 上海200093 |
| Author_FL | Meng Jianjun Tang Hengbo Zhang Hua Wu Weidong |
| Author_FL_xml | – sequence: 1 fullname: Meng Jianjun – sequence: 2 fullname: Wu Weidong – sequence: 3 fullname: Tang Hengbo – sequence: 4 fullname: Zhang Hua |
| Author_xml | – sequence: 1 fullname: 孟建军 武卫东 唐恒博 张华 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Energy-storage VRF Air Conditioning System |
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| Keywords | 过冷度 energy-storage 空调机组 蓄能 air handling unit degree of subcooling VRF 多联机 |
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| Notes | 11-2182/TB Meng Jianjun Wu Weidong Tang Hengbo Zhang Hua （ Institute of Refrigeration and Cryogenic Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China） air handling unit; degree of subcooling; VRF; energy-storage In order to improve the refrigerating capacity and coefficient of performance （COP） of system in summer and reduce the damp- ing of heating capacity in winter, a novel variable refrigerant flow （VRF） system/unit with both cold and heat storage was developed in this work, and the performance of the system was experimentally investigated under the various operating modes, i.e. ice-storage, cold- release, heat-storage, heat-release. The experimental results showed that when the system worked continuously about 8 hours under the ice-storage mode （during off-peak period at night in summer）, the cooling capacity stored in the ice layer was up to around 380 MJ, which could be used to increase the subcooling degree of the system running in the day, and in case of about 35 mm |
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| PublicationTitle | 制冷学报 |
| PublicationTitleAlternate | Journal of Refrigeration |
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| Publisher | 上海理工大学制冷与低温工程研究所 上海200093 |
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| Snippet | 为了提高多联机夏季运行制冷能力和COP并解决系统冬季运行因蒸发温度降低而导致的系统制热量衰减等问题,研制了一种兼具有蓄冷和蓄热功能的多联机蓄能空调系统,并进行了蓄冰、融冰释冷、蓄热、释热等运行模式下系统的性能实验研究。结果表明：在（夏季）夜间用电低谷蓄冰模式运行时间约8 h,能够蓄存380... TU831.3%TQ051.5;... |
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| SubjectTerms | 多联机 空调机组 蓄能 过冷度 |
| Title | 热泵型蓄能多联机空调系统 |
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