冷藏运输车太阳能辅助供电制冷系统设计及分析

doi:10.13229/j.cnki.jdxbgxb20170768

摘要/Abstract

摘要：

针对目前冷藏运输车晚上/中途停车时,使用发动机作为制冷系统动力源造成车辆能源消耗大、尾气排放多等问题,提出了一种用于冷藏运输车的太阳能辅助供电制冷系统,建立了系统动态数学模型,提出了太阳能辅助供电制冷系统设计及匹配方法,通过试验验证了所建模型的有效性,并分析了太阳能辅助供电制冷效果。研究结果表明:设计的太阳能辅助供电制冷系统一天的发电量能够供制冷机持续使用4.45 h,在3种典型车速行驶条件下车厢内温度都能在580 s左右从环境温度下降到指定温度,并保持箱内温度稳定;通过与普通冷藏运输车制冷效果对比分析,表明本文设计的太阳能辅助供电制冷系统具有明显的节能效果,扩大了冷藏运输车的配送范围。

关键词: 车辆工程, 冷藏运输车, 太阳能辅助供电, 制冷系统, 匹配设计

Abstract:

Engine as the power source of refrigeration system during the night/midway parking causes large energy consumption and much exhaust emission. To solve this problem, a refrigeration system supplied by solar auxiliary power of refrigerator car was proposed. The dynamic mathematical model was established and matching methods of the system were proposed. The effectiveness of the model was verified by experiments and the cooling performance of the solar auxiliary power was analyzed. The results show that the power generation of the system is able to supply the refrigerator for continuous operating for 4.45 h in a day. Temperature in the compartment needs about 580 s to drop from ambient temperature to the specified value at three typical driving speeds and then remains stable. Compared with the refrigeration effect of traditional refrigerator car, the system has remarkable energy-saving effect and increases the delivery range of the refrigerator car.

Key words: vehicle engineering, refrigerator car, solar auxiliary power, refrigeration system, matched design

中图分类号:

U469.6

何仁,杨柳,胡东海. 冷藏运输车太阳能辅助供电制冷系统设计及分析[J]. 吉林大学学报(工学版), 2018, 48(6): 1645-1652.

HE Ren,YANG Liu,HU Dong-hai. Design and analysis of refrigeration system supplied by solar auxiliary power of refrigerator car[J]. Journal of Jilin University(Engineering and Technology Edition), 2018, 48(6): 1645-1652.

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温差	温差变化率
温差	负大	负	零	正小	正大
负大	小	小	小	小	小
负中	小	小	较小	较小	较小
负小	较小	中小	中小	中小	中小
零	中	中	中	中	中
正小	中大	中大	中大	中大	中大
正中	中大	较大	较大	较大	较大
正大	较大	较大	大	大	大

参数	数值
发动机型号	SC28R125Q5A
发动机排量/mL	2776
发动机额定功率/kW	92
箱体尺寸/mm×mm×mm	4195×2092×2203
车厢保温材料	聚氨酯
底盘型号	NJ1042ZFDCMZ