无源蓄冷控温运输箱设计与试验
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国家重点研发计划项目(2018YFD0401305-2)、广东省省级农业科技创新及推广项目(2019KJ101)、农产品保鲜物流共性关键技术研发创新团队项目(2019KJ145)、广东省重点领域研发计划项目 (2019B020225001)、国家自然科学基金项目(31901736、31971806)和广东省普通高校青年创新人才项目(2017GkQNCX010)


Design and Test of Passive Cold Storage Temperature Control Box
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    摘要:

    针对蓄冷运输箱信息化程度低、控温时间短、控温困难等问题,设计了一款集控温、远程监控、定位、故障诊断等功能于一体的蓄冷运输箱。以脐橙为试验对象,结合能耗模型,对蓄冷控温箱控温性能进行了研究。结果表明,箱内各截面温度不均匀系数分别为0.38、0.47、0.78,温度极差最大值为2.8℃,均匀性较好;当蓄冷剂用量为180kg,预冷脐橙660kg,在外部环境平均温度26.39℃的条件下,总控温时长为122h,风机共执行控温21次,且随着蓄冷量减少,风机开启控温所用时间呈指数上升趋势,决定系数不小于0.9280;结合能耗模型分析得出,该箱体在广州夏季高温环境下可控温5d以上,能够满足远距离运输要求

    Abstract:

    Aiming at the problems of low informatization, short heat preservation time, and difficult temperature control of cold storage transport boxes, a cold storage transport box integrating functions of temperature control, remote monitoring, positioning and fault diagnosis was designed. Taking navel orange as the test object, combined with the energy consumption model, the temperature control performance of the cold storage temperature control box was studied. The results showed that the temperature field non-uniformity coefficient of each section in the box was 0.38, 0.47 and 0.78, the maximum temperature difference was 2.8℃, and the uniformity was good;when the amount of cold storage agent was 180kg and the pre-cooled navel orange was 660kg, under the condition of an average external temperature of 26.39℃, the total temperature control duration was 122h. the fan performed temperature control 21 times in total, and as the amount of cold storage was decreased, the time it took for the fan to turn on and control the temperature was increased exponentially, with determination coefficient no less than 0.9280. Combined with the analysis of energy consumption model, it was concluded that the cabinet can be controlled for more than 5 days under the high temperature environment of Guangzhou in summer, which can meet the requirements of long-distance transportation.

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李斌,沈昊,郭嘉明,魏鑫钰,吕恩利,袁江涛.无源蓄冷控温运输箱设计与试验[J].农业机械学报,2020,51(9):358-365. LI Bin, SHEN Hao, GUO Jiaming, WEI Xinyu, Lü Enli, YUAN Jiangtao. Design and Test of Passive Cold Storage Temperature Control Box[J]. Transactions of the Chinese Society for Agricultural Machinery,2020,51(9):358-365.

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  • 收稿日期:2020-06-30
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  • 在线发布日期: 2020-09-10
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