文档介绍：产品设计课程设计说明书设计题目:洗衣机设计工程机械学院工业设计25010801班设计者:王璐希杨兵兵魏马丁指导老师:····························································································,不同类型洗衣机比较········································································第5页设计分析洗衣机功能分析··········································第6页(1)利用黑箱法确定总功能(2)逆推法建立洗衣机功能树(3)绘制功能结构图根据功能树,求各个功能元解······························第13页原理方案组合············································第15页三、···········································································································································第23页(1)评价目标权重计算(2)建立洗衣机目标树(3)洗衣机原理解方案确定(4)··············································································································································································(washingmachine/washer)是利用电能产生机械作用来洗涤衣物的清洁电器。机械力、洗涤液、水是洗衣机洗涤过程中的三要素。洗衣机运动部件产生的机械力和洗涤液的作用使污垢与衣物纤维脱离。加热洗涤液,可增强去污效果。织物不同,适宜液温也不同。反映洗衣机洗涤性能(即洗净衣物的能力)的主要指标是洗净率(或洗净比)和织物磨损率。[3](1)按结构形式分单桶、双桶、多桶型(2)按洗涤方式/:衣物半浸没于水中,滚筒作有规律的间歇的正反转动,*滚筒内凸筋把衣物带至高处再跌下,起揉搓作用,进行洗涤。类型:(1)前装式滚筒洗衣机(2)(涡卷式)洗衣机:优点:结构简单,体积小,重量轻,操作方便,耗电量少,洗净率高。缺点:漂洗衣物不均匀,损衣率高。(叶)式洗衣机:洗衣机有一根主柱,由电动机带动摆动叶绕定轴作周期往复运动,每次转动角度小于360度。:喷流式、喷射式、振动式等,市场上比较少见。(3):搅拌动作为电动机带动正转、反转及停*定时器控制而进水、排水、脱水等完全手动。::可按选定的工作程序自动完成洗涤、漂洗、脱水、甩干、进水、排水等动作,无看管。类型:(1)机械全自动型:由电动程控器控制。(2)电脑全自动型:由电脑程控器控制。,不同类型洗衣机比较[3]表1-1:不同种类洗衣机对比类型项目滚筒波轮搅拌式或摆动式振动式运动原理模仿棒锤击打衣物原理设计,利用电动机的机械做功使滚筒旋转,衣物半浸没于水中,滚筒作有规律的间歇的正反转动,滚筒内凸筋把衣物带至高处再跌下,起揉搓作用,进行洗涤。依靠装在洗衣桶底部的波轮正、反旋转,带动衣物上、下、左、右不停地翻转,使衣物之间、衣物与桶壁之间,在水中进行柔和地摩擦,在洗涤剂的作用下实现去污清洗。洗衣机有一根主柱,由电动机带动摆动叶绕定轴作周期往复运动,每次转动角度小于360度。分类(1)前装式滚筒洗衣机(2)顶装式滚筒洗衣机“单槽式”和“双槽式”优点衣物无缠绕。最不会损耗衣物的方式洗涤均匀、磨损小,所以就连羊绒、羊毛、真丝衣物也能在机内洗涤,用水量小便于实现自动化。优点:结构简单,维修方便、体积小,重量轻,操作方便,耗电量少,洗净率高、洗涤时间短和洗涤品种多。衣物洁净力最强,省洗衣粉缺点耗时,时间是普通的几倍,,洁净力不强。结构复杂,体积大,成本较高缺点:缺点:耗电、耗水、衣物易缠绕、清洁性