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10秒装修报价 装修要花多少钱?获得精准报价,省钱30%
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目前常见的家用电冰箱的制冷原理同空调是完全一样的,属于蒸气压缩式制冷.
蒸汽压缩式制冷系统由压缩机、冷凝器、毛细管、蒸发器组成,用管道将它们连接成一个密封系统.制冷剂液体在蒸发器内以低温与被冷却对象发生热交换,吸收被冷却对象的热量并气化,产生的低压蒸汽被压缩机吸入,经压缩后以高压排出.压缩机排出的高压气态制冷剂进冷凝器,被常温的冷却水或空气冷却,凝结成高压液体.高压液体流经膨胀阀时节流,变成低压低温的气液两相混合物,进入蒸发器,其中的液态制冷剂在蒸发器中蒸发制冷,产生的低压蒸汽再次被压缩机吸入,如此周而复始,不断循环.
冰箱的蒸发器安装在冷冻或冷藏室中,压缩机、冷凝器、毛细管安装箱壳的外面,空调的蒸发器安装在室内机中,压缩机、冷凝器、毛细管安装在室外机中.
您好,很高兴为您解答。共有下列9种致冷的原理 (1) 压缩式电冰箱: 由电动机提供机械能,通过压缩机对致冷系统作功. 致冷系统利用低沸点的致冷剂(或称冷媒),蒸发时,吸收汽化热的原理制成的. 优点:寿命长,使用方便, 目前世界上 91~95% 的电冰箱属於这一类. 电冰箱致冷的原理和种类 (2) 吸收式电冰箱: 该种电冰箱利用热源,如煤气,煤油,电等作为动力. 利用氨-水-氢混合溶液在连续吸收-扩散过程中达到致冷的目的. 其缺点是效率低,降温慢. 现已逐渐被淘汰. (3) 半导体电冰箱: 利用PN型半导体通以直流电,在结点上产生珀尔帖效应(Peltier effect)的原理来实现致冷的电冰箱. 现许多*电路和微型仪器常采用此方法散热. (4) 化学冰箱: 利用某些化学物质溶解于水时,强烈吸热而获得制冷效果的冰箱. (5) 电磁振动式冰箱: 用电磁振动机作本动力来驱动压缩机的冰箱.其原 理,结构与压缩式电冰箱基本相同. (6) 太阳能电冰箱: 利用太阳能作为制冷 能源的电冰箱. (7) 绝热去磁制冷电冰箱 (8) 辐射致冷电冰箱 (9) 固体致冷电冰箱
你好,下面是电冰箱9种致冷的原理 :(1) 压缩式电冰箱,由电动机提供机械能,通过压缩机对致冷系统作功. 致冷系统利用低沸点的致冷剂(或称冷媒),蒸发时,吸收汽化热的原理制成的. 优点:寿命长,使用方便, 目前世界上 91~95% 的电冰箱属於这一类. 电冰箱致冷的原理和种类 (2) 吸收式电冰箱: 该种电冰箱利用热源,如煤气,煤油,等作为动力. 利用氨-水-氢混合溶液在连续吸收-扩散过程中达到致冷的目的. 其缺点是效率低,降温慢. 现已逐渐被淘汰. (3) 半导体电冰箱: 利用PN型半导体通以直流电,在结点上产生珀尔帖效应(Peltier effect)的原理来实现致冷的电冰箱. 现许多*电路和微型仪器常采用此方法散热. (4) 化学冰箱: 利用某些化学物质溶解于水时,强烈吸热而获得制冷效果的冰箱. (5) 电磁振动式冰箱: 用电磁振动机作本动力来驱动压缩机的冰箱.其原 理,结构与压缩式电冰箱基本相同. (6) 太阳能电冰箱: 利用太阳能作为制冷 ,能源的电冰箱. (7) 绝热去磁制冷电冰箱 (8) 辐射致冷电冰箱 (9) 固体致冷电冰箱 ,二,压缩式冰箱的组成 ,压缩机 ,冷凝器-热交换管 ,乾燥筛检程式 ,毛细管-气体膨胀阀 。蒸发器,制冷系统由五各基本单元所组成 二, 压缩式冰箱的组成: 压缩机的功用: 用以补充能量,把蒸发器中低温低压的冷媒(Freon,氟利昂)经蒸汽压缩机被压缩成为高温高压的过热蒸汽,而后送入冷凝器中. 冷凝器的功用: 是把高温高压的蒸汽冷凝成为高压常温的液体,并放出大量的热量. 乾燥筛检器的功用: 吸收氟利昂中的水分,防止冰堵,并过滤制冷系统中的杂质,防止脏堵.