CN114164605A - 离心挤压滚筒洗衣机及其控制方法 - Google Patents
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Abstract
本发明的离心挤压滚筒洗衣机及其控制方法是在现有的滚筒洗衣机(包括横筒和斜筒)基本配置中去掉提升筋(或举升筋),配重块采用进水箱和排水箱代替,在洗涤或漂洗过程中,洗脱筒在低速旋转一段时间完成吸水、和摔打洗涤后,加速到一定速度,实现高速旋转挤压脱水,同时洗涤水排进入排水箱,保持高速旋转一段时间后,再减速到低速,同时洗涤水返回盛水桶,实现,吸水、摔打洗涤,保持低速一段时间后,再加速到一定速度的高速旋转,实现挤压脱水,如此循环实现挤压洗涤。优点:磨损小,效率高,抖动和噪音小,时间短,重量轻,降低成本等。
Description
技术领域
本发明涉及电器技术领域。更具体的说是一种洗衣机,包括家用和工业洗衣机。
背景技术
目前,洗衣机市场上常见的洗衣机按洗涤方式有滚筒洗衣机,波轮洗衣机,搅拌洗衣机;按应用领域分:家用和工业用;按洗涤桶设计方式分:竖筒(桶) 和横筒(桶),波轮洗衣机和搅拌洗衣机是竖筒(桶),滚筒洗衣机是横筒(桶),滚筒洗衣机又分为:水平横筒和斜横筒;有些波轮洗衣机现在已有瀑布洗涤功能,瀑布洗的理论也是利用洗脱筒带动衣物旋转在离心力将衣物中的水甩到盛水桶与洗脱筒中间夹层内,水量集聚到一定量后从洗脱筒的上口喷淋而入,水在离心力作业下再次穿透衣物进入盛水桶与洗脱筒中间夹层,如此循环进行洗涤,喷淋洗涤对衣物磨损近乎零磨损,然而其洗涤效率非常低,洗涤不均匀,是一种穿透洗涤,不是挤压洗涤;
滚筒洗衣机(包括横筒和斜筒)基本配置包括:外壳,盛水桶,洗脱筒,减震装置,驱动装置,电控装置,洗衣粉盒,给水装置,排水装置,提升筋(或举升筋),配重块,投放衣物口及密封门;选配有:加热装置,照明,烘干装置,消毒,清洁洗脱筒等功能配置。滚筒洗衣机自动控制洗衣,甩干的过程:需要洗涤的衣物从投放口投放到洗脱筒内,关上密封门,洗衣粉(或洗衣液)、柔顺剂投放到洗衣粉盒内,启动设置好的自动程序,电动门锁锁上(没锁上报警、停止),排水泵启动排除管内积水(采用下排水不用启动排水阀),衣物自动称重,称重完毕,根据称重的结果自动选定已经设置好的自动给水液位值,进水阀打开,水先进入洗衣粉盒,融合洗衣粉进入盛水桶内,通过洗脱筒的筒壁孔进入洗脱筒内沁湿衣物,到达预设液位关闭进水阀,洗脱筒和桶内安装的提升筋按设定转速,这个转速产生的离心力F<衣物重量M(提升筋固定在洗脱筒内,一般安装3个),将衣物从低处带动高处后衣物自然落下,然后再次将衣物从低处带动高处后衣物自然落下,如此重复摔打洗涤,洗涤程序完成后,洗脱筒停止转动,排水泵(或电磁阀)工作,盛水桶内的水排完,进入离心脱水程序,脱水完成后进入第一次漂洗,脱水,第二次漂洗,脱水(甩干);漂洗过程与洗涤过程相似,有些洗衣机有加漂洗功能,可以实现第三次、第四次、甚至更多次漂洗;大多数滚筒洗衣机有故障检查报警功能,消泡功能、根据设定温度自动加热功能。现有滚筒洗衣机在洗涤、漂洗程序中脱水时都是采用先排完盛水桶内的水,然后洗脱筒低速转动使得衣物抖散后加速到一定速度,这个速度产生离心力F>衣物重量M(离心力F=角速度W*重量M),则衣物尽可能均匀分布在洗脱筒内壁上,通过电机电流变化情况检查洗脱筒的偏心值是否在设计范围内,如果偏心值大于设置的偏心阀值,洗脱筒减速到一定速度(其产生的分F<M),继续抖散一定时间后加速到一定速度 (其产生的F>M),检查偏心值是否在设计范围内,如果偏心值大于设置的偏心阀值,重复抖散,……,直至偏心值小于设置的阀值,洗脱筒加速到预设的速度旋转将水与衣物分离;不同厂家的脱水程序中设置的偏心阀值不同,偏心阀值设置的越小,产生抖动和噪音相对就小,但是偏心阀值越小导致抖散时间可能会越长,甚至不能实现脱水,相反偏心阀值设置较大抖散时间变短,抖动和噪音会很大。除了在程序上控制衣物在洗脱筒内产生的偏心来减少脱水抖动和噪音,还有在盛水桶外部加沉重的配重块,配重块一般采用水泥或者铸铁浇筑成预定的块,利用配重块惯性原理来减小洗脱筒脱水时对盛水桶的抖动,配重块越重相对产生的抖动和噪音越小,但是运输不方便,相反配重块越轻,抖动和噪音越大,但是机身重量变轻容易运输。洗涤程序包括:洗涤-脱水-第一次漂洗-脱水-第二次漂洗-脱水。
技术问题:滚筒洗衣机对衣物磨损相对与搅拌洗衣机、波轮洗衣机磨损低,磨损率为10%,可见磨损依然很高;洗涤时间非常长,达到洗净比1.03的洗涤需要几个小时,洗涤效率低;脱水(甩干)时抖动和噪音还是很大;整机沉重的导致运输不方便。
发明内容
在现有滚筒洗衣机(包括横筒和斜筒)基本配置中去掉提升筋(或举升筋)或将提升筋凸出洗脱筒内壁的高度小于2CM,选配可以根据需要配置。效果:减小衣物洗涤时磨损,在脱水过程的抖散环节易于衣物在洗脱筒内壁均匀分布,产生的偏心值减小,降低整机成本。
洗衣自动过程:洗涤-脱水-漂洗1-脱水-漂洗2-脱水。在洗涤或漂洗过程中,衣物沁湿后,洗脱筒在低速(其速度对衣物产生的离心力F<衣物的重量M) 旋转实现摔打洗涤一段时间后,加速到一定速度(其速度对衣物产生的离心力 F>衣物的重量M)旋转实现挤压脱水一段时间后,减速到低速(其速度对衣物产生的离心力F<衣物的重量M)旋转实现吸水和摔打洗涤一段时间后,加速到一定速度(其速度对衣物产生的离心力F>衣物的重量M)旋转实现挤压脱水一段时间后,再减少到低速,……,如此循环实现摔打和挤压洗涤;效果:减少洗涤时对衣物的磨损,提高衣物的洗涤效率(洗净比)。
在洗涤或漂洗结束,洗脱筒加速到一定速度(其速度对衣物产生的离心力F>衣物的重量M)旋转一段时间后,检查洗脱筒的偏心值是否小于设定的偏心阀值,如果大于阀值,则进行减速到一定速度(其速度对衣物产生的离心力 F<衣物的重量M)旋转一段时间进行衣物抖散,再加速到一定速度(其速度对衣物产生的离心力F>衣物的重量M)旋转一段时间后,检查洗脱筒的偏心值是否小于设定的偏心阀值,如果大于重复前面动作,直至偏心值小于设定的偏心阀值,打开排水泵(阀)排水,将盛水桶的水排出,加速进入高速脱水(甩干)。效果:减小洗衣机抖动和噪音,减少脱水时间。
配重块采用进水箱和排水箱代替;效果:减轻整机重量,降低成本,利于运输。
附图说明
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它的附图。
图1是滚筒洗衣机的前后刨面结构示意图
图2是滚筒洗衣机的左右刨面结构示意图
图3是本发明离心挤压滚筒洗衣机的前后刨面结构示意图
图4是本发明离心挤压滚筒洗衣机的左右刨面结构示意图
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。
需说明的是,当部件被称为“固定于”或“设置于”另一个部件,它可以直接或者间接位于另一个部件上。当一个部件被称为“连接于”另一个部件,它可以直接或者间接连接至另一个部件上。术语“上”、“下”、“左”、“右”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本专利的限制。术语“第一”、“第二”仅用于便于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明技术特征的数量。“多个”的含义是两个或两个以上,除非另有明确具体的限定。
见图1、图2滚筒洗衣机(包括横筒和斜筒)基本配置包括:外壳包括:机箱1和底座14,盛水桶10,洗脱筒包括:洗脱筒6和驱动轴19,减震装置包括:减震拉簧3和阻尼支架13,驱动装置包括:电机15、小皮带轮16、皮带18、大皮带轮20,电控装置4,洗衣粉盒2,给水装置包括电磁阀23和液位计22及一些链接水管,排水装置包括排水泵(阀)11和排水管12,提升筋(或举升筋) 8,配重块5,密封圈7和门9;选配有:加热管及温度传感器17,烘干装置21。
见图3、图4本发明离心挤压滚筒洗衣机与滚筒洗衣机主要区别:滚筒洗衣机有提升筋(或举升筋)8,配重块5;而离心挤压滚筒洗衣机没有提升筋(或举升筋)8,进水箱26和排水箱27替代配重块5,同时增加了进水箱液位传感器24、水泵25,排水箱电磁阀28。
本发明具体实例中洗脱筒6的直接为50CM,根据离心力F=角速度W*重量 M,角速度W=旋转角度r/2π*筒直径2R;F=M是洗脱筒转速为60*2=120转/分钟,设定60转/分钟为摔打洗,390转/分钟为离心挤压洗。预先将控制程序设置在电控装置4内,根据设定程序控制电机15带动洗脱筒6的转速按照:停止(8秒) -60转/分钟(正转6秒)-390转/分钟(正转2秒)-停止(8秒)-60转/分钟(反转6秒)-390转/分钟(反转2秒)-停止(8秒)-60转/分钟(正转6秒)-390 转/分钟(正转2秒)-停止(8秒)-60转/分钟(反转6秒)-390转/分钟(反转 2秒)……如此重复完成洗涤或漂洗。
当洗涤、漂洗程序设定时间到了洗涤、漂洗完成,进入脱水程序:洗脱筒的转速加速到60转/分钟后保持6秒,再加速到390转/分钟保持2秒,进行平衡检查,如果偏心值大于设定偏心阀值,重复前面控制程序,直至偏心值小于设定偏心阀值,打开排水阀28将盛水桶10内的水排出,再加速到800转/分钟后保持120秒,停止脱水。这样可以有效减少抖散次数,缩短脱水时间。
洗衣机的进水直接与自来水接口链接,由于自来水接口基本是4分的龙头,进水时间比较长,本发明在盛水桶10上面固定了进水箱26,进水电磁阀23 的进口与自来水管链接、出口与进水箱26软管链接,进水箱26通过水泵25与洗衣粉盒2软管链接,洗衣粉盒2与盛水桶10软管链接;液位传感器24检测进水箱26的水位将信号传送给电控装置4,电控装置根据液位传感器24液位值控制电磁阀23通断,控制进水箱26的水量,在洗涤、漂洗用水前将水储存在进水箱26内,当洗涤、漂洗用水时,电控装置4根据液位传感器22检测盛水桶 10的液位值控制大流量的水泵25通断向盛水桶10内进水,实现缩短进水时间和洗脱筒6在脱水时可以保证进水箱26是满的,起到配重块的作用,在搬运前可以排空进水箱26中的水,可以减轻整机重量,便于运输。
进入脱水程序:洗脱筒的转速加速到60转/分钟后保持6秒,再加速到 390转/分钟保持2秒,进行平衡检查,如果偏心值大于设定偏心阀值,重复前面控制,直至偏心值小于设定偏心阀值,打开排水阀28将盛水桶10内的水排出到排水箱27中,再加速到800转/分钟后保持120秒,停止脱水后启动排水泵(阀) 11将排水箱27中的水排到下水道流走。排水箱27固定在盛水桶10的下面,在洗衣机脱水时,排水箱27装满洗涤后的废水重量加大,排水箱27起到配重块的作用减少洗衣机抖动和噪音,洗衣完成后,排水箱27的水全部排走,重量最轻,方便运输。
以上仅为本发明的优选实施例而已,并不用于限制本发明。对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的权利要求范围之内。
Claims (4)
1.在现有滚筒洗衣机(包括横筒和斜筒)基本配置中去掉提升筋(或举升筋)或提升筋凸出洗脱筒内壁的高度小于2CM,选配可以根据需要配置。
2.洗衣自动过程:洗涤-脱水-漂洗1-脱水-漂洗2-脱水,在洗涤或漂洗过程中,衣物沁湿后,洗脱筒在低速(其速度对衣物产生的离心力F<衣物的重量M)旋转实现摔打洗涤一段时间后,加速到一定速度(其速度对衣物产生的离心力F>衣物的重量M)旋转实现挤压脱水一段时间后,减速到低速(其速度对衣物产生的离心力F<衣物的重量M)旋转实现吸水和摔打洗涤一段时间后,加速到一定速度(其速度对衣物产生的离心力F>衣物的重量M)旋转实现挤压脱水一段时间后,再减少到低速,……,如此循环实现摔打和挤压洗涤。
3.在洗涤或漂洗结束,洗脱筒加速到一定速度(其速度对衣物产生的离心力F>衣物的重量M)旋转一段时间后,检查洗脱筒的偏心值是否小于设定的偏心阀值,如果大于阀值,则进行减速到一定速度(其速度对衣物产生的离心力F<衣物的重量M)旋转一段时间进行衣物抖散,再加速到一定速度(其速度对衣物产生的离心力F>衣物的重量M)旋转一段时间后,检查洗脱筒的偏心值是否小于设定的偏心阀值,如果大于重复前面动作,直至偏心值小于设定的偏心阀值,打开排水泵(阀)排水,将盛水桶的水排出,加速进入高速脱水(甩干)。
4.配重块采用进水箱和排水箱代替。
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