WO2014187125A1 - 一种滚筒洗衣机的自清洁方法及滚筒洗衣机 - Google Patents

一种滚筒洗衣机的自清洁方法及滚筒洗衣机 Download PDF

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Publication number
WO2014187125A1
WO2014187125A1 PCT/CN2013/090017 CN2013090017W WO2014187125A1 WO 2014187125 A1 WO2014187125 A1 WO 2014187125A1 CN 2013090017 W CN2013090017 W CN 2013090017W WO 2014187125 A1 WO2014187125 A1 WO 2014187125A1
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Prior art keywords
self
washing machine
cleaning
inner cylinder
water
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PCT/CN2013/090017
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English (en)
French (fr)
Inventor
许升
李海涛
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海尔集团公司
青岛海尔洗衣机有限公司
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Publication of WO2014187125A1 publication Critical patent/WO2014187125A1/zh

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum

Definitions

  • the present invention relates to the field of washing machines, and more particularly to a self-cleaning method of a drum washing machine and a drum washing machine.
  • the existing drum washing machine especially the drum washing machine, after a few months of application, the outer surface of the inner cylinder and the inner surface of the outer cylinder will have a large amount of dirt, mainly composed of oil, sebum, protein, wire scrap and the like, and the adhesion is extremely strong and easy. Breeding bacteria. When washing clothes again, these bacteria will enter the clothing, which will cause infection and harm the health of the user.
  • the self-cleaning function of the existing drum washing machine is also limited to cleaning the inner and outer cylinders by means of high water level, high temperature, and long-time empty cylinder washing, similar to the method of washing clothes.
  • the dirt on the outer surface of the inner cylinder and the inner surface of the outer cylinder is hard to fall off, and re-use still causes secondary pollution of the laundry, failing to achieve the desired washing effect.
  • An object of the present invention is to provide a self-cleaning method and a drum washing machine for a drum washing machine, which can solve the problem that the dirt of the inner cylinder and the outer cylinder of the drum washing machine cannot be effectively cleaned in the prior art.
  • a self-cleaning method of a drum washing machine which rotates an inner cylinder of the drum washing machine at a predetermined rotation speed for a certain time under a set self-cleaning water level, and the rotating inner cylinder hits the water surface, and uses water between the inner cylinder surface and the inner cylinder surface
  • the frictional force and the water droplet splashed after the inner cylinder hits the water surface clean the outer surface of the inner cylinder and the inner surface of the outer cylinder, and the water surface of the self-cleaning water level intersects with the inner cylinder of the drum washing machine and is slightly higher The lowest part of the inner cylinder.
  • chord height of the water surface of the self-cleaning water level intersecting the surface of the inner cylinder is greater than 1 mm and less than 50 mm.
  • the inner cylinder may adopt a forward rotation, a reverse rotation or an alternate rotation in two directions when rotating at a predetermined rotation speed.
  • the predetermined rotational speed is not less than 800 r/m.
  • the inner cylinder rotation time is from 10 seconds to 600 seconds since self-cleaning.
  • the method is initiated for self-cleaning when rinsing the drain to the self-cleaning water level prior to the start of the spin-drying procedure.
  • the self-cleaning method can be added to the rinsing program under the action of the control system and automatically started.
  • the initial condition for starting is that the cumulative number of washings since the last self-cleaning is not less than m times and not more than n times.
  • the self-cleaning is performed and the accumulated laundry times are reset to zero.
  • a drum washing machine comprising an outer cylinder, an inner cylinder and a control system for cleaning the outer surface of the inner cylinder and the inner surface of the outer cylinder by the self-cleaning method.
  • the self-cleaning method and the drum washing machine of the drum washing machine according to the present invention enable the inner cylinder of the washing machine to rotate at a high speed slightly higher than the lowest water level of the inner cylinder, and the friction between the water and the inner cylinder surface and the inner cylinder hit the water surface
  • the splashed water droplets clean the outer surface of the inner cylinder and the inner surface of the outer cylinder, and exert a mechanical force of water flow impact on the inner cylinder of the washing machine, which can effectively remove the dirt attached to the outer surface of the inner cylinder and the inner surface of the outer cylinder;
  • the system can be integrated into the drying process before the start of the rinsing and draining according to certain rules. It is not necessary to set the washing machine self-cleaning procedure separately, which is beneficial to the long-term maintenance of the inner cylinder of the washing machine and the outside.
  • the barrel is clean.
  • 1 is a water level diagram required for performing self-cleaning of the drum washing machine of the present invention
  • FIG. 2 is a schematic view of the drum washing machine of the present invention when performing self-cleaning
  • FIG. 3 is a schematic flow chart of a self-cleaning method specifically applied to a drum washing machine.
  • FIG. 1 and 2 show a drum washing machine using the self-cleaning method of the present invention, which comprises an outer cylinder 1, an inner cylinder 2 and a control system. Under the control system, the washing machine can maintain the water level to a set self. Cleaning the water level, the water surface 4 of the self-cleaning water level is as shown in FIG. 1 , intersecting the inner cylinder 2 of the drum washing machine and slightly higher than the lowest point of the inner cylinder 2, and the chord height of the water surface 4 intersecting the surface of the inner cylinder 2 is greater than 1 mm and less than 50 mm. The appropriate selection can be made according to the size of the diameter of the inner cylinder 2; FIG. 2 shows a schematic diagram when self-cleaning is performed.
  • the inner cylinder 2 of the drum washing machine When self-cleaning, the inner cylinder 2 of the drum washing machine is rotated at a predetermined rotation speed for a certain time, and the inner cylinder of the rotation is 2 strokes.
  • the surface of the inner cylinder 2 and the inner surface of the outer cylinder 1 are cleaned by the friction between the water and the surface of the inner cylinder 2 and the water droplets splashed after the inner cylinder 2 hits the water surface.
  • the inner cylinder can be rotated in a forward rotation, reverse rotation or alternately rotated in two directions when rotating at a predetermined rotation speed, and in particular, alternate rotation in two directions can have a better cleaning effect.
  • the predetermined rotational speed should not be lower than 800r/m in principle. In theory, it has a certain rotational speed, that is, it has a corresponding cleaning effect. Under the premise of the corresponding washing machine load, a higher rotational speed can also be adopted, which can achieve better. Cleaning effect. With this method, the inner cylinder 2 is rotated for 10 seconds to 600 seconds from the time of self-cleaning.
  • a separate cleaning program can be set on the washing machine, for example, the program is started by the operation of the corresponding button, so that the washing machine performs the corresponding self-cleaning action.
  • the above self-cleaning method can be integrated into the washing program of the entire washing machine, and under the action of the washing machine control system, the washing machine can automatically complete the self-cleaning process during the washing process according to the set conditions. , so that the washing machine is kept clean for a long time.
  • a schematic flow chart of a self-cleaning method specifically applied to the drum washing machine is given.
  • the control system of the washing machine detects the accumulated number of washings since the last self-cleaning is completed. If the corresponding number of times is less than m times, for example, 30 times, at this time, the corresponding inner and outer cylinders of the washing machine are relatively clean, and need not be performed.
  • Self-cleaning the washing machine removes all the water and performs dehydration according to the drying; the number of washings reaches m times or more, for example, 30 times or more, according to the size of the washing amount, whether to self-clean or not, according to the amount of laundry
  • the gear position is selected.
  • the program starts the self-cleaning procedure, and the accumulated number of laundry times is reset to zero, and the washing machine is drained to the set self-cleaning water level, so that the water level of the self-cleaning water level and the inner cylinder of the drum washing machine are controlled. Intersect and slightly higher than the lowest point of the inner cylinder. At this time, the inner cylinder is rotated at a high speed at a predetermined rotation speed.
  • the rotating inner cylinder hits the water surface, and the outer surface of the inner cylinder and the inner surface of the outer cylinder are cleaned by the friction between the water and the surface of the inner cylinder and the water droplets splashed after the inner cylinder hits the water surface.
  • the control system forces the washing machine to drain in the washing and rinsing stage. Zeroing the accumulated number of laundry, controlling the washing machine to drain to the set self-cleaning water level, so that the water surface of the self-cleaning water level intersects with the inner cylinder of the drum washing machine and is slightly higher than the lowest position of the inner cylinder. At this time, the inner cylinder is rotated by a predetermined rotation. The speed is rotated at a high speed for a certain period of time.
  • the rotating inner cylinder hits the water surface, and the outer surface of the inner cylinder and the inner surface of the outer cylinder are made by the friction between the water and the inner cylinder surface and the water droplets splashed after the inner cylinder hits the water surface.
  • Cleaning, the corresponding rotation time, rotation direction and rotation speed can be set by the program. After the operation is completed, the dehydration is performed correspondingly to complete the washing process.
  • the above method is automatically carried out according to a certain rule by integrating the self-cleaning action to the rinsing drain before the start of the drying process by the control system, and it is not necessary to separately set the self-cleaning program of the washing machine, which is advantageous for keeping the inner and outer cylinders of the washing machine clean for a long time.

Abstract

一种滚筒洗衣机的自清洁方法及洗衣机，在设定的自清洁水位下，使所述滚筒洗衣机的内筒（2）以预定旋转速度旋转一定时间，旋转的内筒（2）击打水面，利用水与内筒（2）表面间的摩擦力以及内筒（2）击打水面后飞溅的水滴对内筒（2）外表面和外筒（1）内表面进行清洗，该自清洁水位的水面（4）与所述滚筒洗衣机的内筒（2）相交并稍高于内筒（2）最低处。对洗衣机内筒（2）施加了水流冲击的机械力，可有效去除内筒（2）外表面和外筒（1）内表面附着的污垢；同时通过洗衣机的控制系统，可整合至甩干程序开始前漂洗排水时按一定规则自动进行，无须单独设置洗衣机自清洁程序，有利于长期保持洗衣机内筒和外筒的清洁。

Description

一种滚筒洗衣机的自清洁方法及滚筒洗衣机
技术领域
本发明涉及洗衣机领域， 尤其涉及一种滚筒洗衣机的自清洁方法及滚筒洗 衣机。
背景技术
现有的滚筒洗衣机尤其滚筒洗衣机在应用数月之后， 其内筒外表面和外筒 内表面会附着大量污垢， 主要由油污、 皮脂、 蛋白质、 线屑等杂质组成， 附着 力极强而且很容易滋生细菌。 再次洗涤衣服时， 这些细菌会进入到衣物内， 接 触到人体后会造成感染， 危害用户的健康。
现有滚筒洗衣机的自清洁功能， 也仅限于通过高水位、 高温、 长时间的空 筒洗涤的方式来清洗内筒和外筒， 跟洗涤衣物的方法类似。 但是由于没有施加 机械力， 内筒外表面和外筒内表面的污垢很难脱落， 再次使用还是会对衣物构 成二次污染， 达不到预期的洗涤效果。
发明内容
本发明的目的在于提出一种滚筒洗衣机的自清洁方法和滚筒洗衣机， 应用 该方法， 能够解决现有技术中无法有效清洗滚筒洗衣机的内筒和外筒的污垢的 问题。
为达此目的， 本发明采用以下技术方案：
一种滚筒洗衣机的自清洁方法， 在设定的自清洁水位下， 使所述滚筒洗 衣机的内筒以预定旋转速度旋转一定时间， 旋转的内筒击打水面， 利用水与 内筒表面间的摩擦力以及内筒击打水面后飞溅的水滴对内筒外表面和外筒内 表面进行清洗， 该自清洁水位的水面与所述滚筒洗衣机的内筒相交并稍高于 内筒最低处。
优选的， 所述自清洁水位的水面与内筒表面相交的弦高大于 1mm 小于 50mm。
优选的， 所述内筒在以预定旋转速度进行旋转时可采用正向旋转、 反向旋 转或两种方向交替旋转的方式。
优选的， 所述预定旋转速度不低于 800r/m。
优选的， 自清洗时内筒旋转时间为 10秒至 600秒。
优选的， 在甩干程序开始前， 漂洗排水至自清洁水位时， 启动该方法进行 自清洁。
作为进一歩的改进， 该自清洁方法可在控制系统的作用下加入到漂洗程序 并自动启动， 启动的初始条件是自上次自清洁完成后累计洗衣次数不小于 m 次且不大于 n次。
当洗衣次数累计大于 m次同时洗衣重量低于 T值时， 进行自清洗并将累计 洗衣次数归零。
当洗衣次数累计大于 n次时， 强制进行自清洗并将累计洗衣次数归零。 同时提供一种滚筒洗衣机， 包括外筒、 内筒及控制系统， 该洗衣机采用上 述自清洁方法对内筒外表面和外筒内表面进行清洗。
本发明所述的滚筒洗衣机的自清洁方法及滚筒洗衣机， 使洗衣机内筒在稍 高于内筒最低处的水位下进行高速旋转， 利用水与内筒表面间的摩擦力以及内 筒击打水面后飞溅的水滴对内筒外表面和外筒内表面进行清洗， 对洗衣机内筒 施加了水流冲击的机械力， 可有效去除内筒外表面和外筒内表面附着的污垢； 同时通过洗衣机的控制系统， 可整合至甩干程序开始前漂洗排水时按一定规则 自动进行， 无须单独设置洗衣机自清洁程序， 有利于长期保持洗衣机内筒和外 筒的清洁。
附图说明
图 1是本发明所述滚筒洗衣机执行自清洁时要求的水位图；
图 2是本发明所述滚筒洗衣机执行自清洁时的原理图；
图 3是一种具体应用于滚筒洗衣机的自清洁方法流程示意图。
图中：
1、 外筒； 2、 内筒； 3、 内筒内部； 4、 水面； 5、 排水管； 6、 排水泵。 具体实施方式
下面结合附图并通过具体实施方式来进一歩说明本发明的技术方案。
图 1和图 2给出了一种使用本发明所述自清洁方法的滚筒洗衣机， 包括外 筒 1、 内筒 2及控制系统， 在控制系统作用下， 该洗衣机能保持水位至设定的 自清洁水位， 该自清洁水位的水面 4如图 1所示， 与滚筒洗衣机的内筒 2相交 并稍高于内筒 2最低处， 水面 4与内筒 2表面相交的弦高大于 1mm小于 50mm， 可根据内筒 2直径的大小进行适当的选择； 图 2给出了执行自清洁时的原理 图， 自清洁时， 滚筒洗衣机的内筒 2 以预定旋转速度旋转一定时间， 旋转的 内筒 2击打水面， 利用水与内筒 2表面间的摩擦力以及内筒 2击打水面后飞溅 的水滴对内筒 2外表面和外筒 1内表面进行清洗。
在自清洁的过程中， 内筒在以预定旋转速度进行旋转时可采用正向旋转、 反向旋转或两种方向交替旋转的方式， 尤其选用两种方向交替旋转可具有更 好的清洁效果。
所述预定旋转速度原则上应不低于 800r/m， 理论上具有一定的转速即具有 相应的清洁效果， 在相应洗衣机负荷允许的前提下， 亦可采用更高的转速， 可取得更好的清洁效果。 采用本方法时， 自清洗时内筒 2旋转时间为 10秒至 600秒。
在具体应用上述自清洁方法时， 可在洗衣机上设置单独的清洁程序， 比如 通过相应按键的操作启动该程序， 使洗衣机进行相应的自清洗动作。
作为另一种更优的选择， 可以将上述自清洁方法整合至整个洗衣机的洗衣 程序中， 在洗衣机控制系统的作用下， 使洗衣机能够根据设定的条件在洗衣 的过程中自动完成自清洁过程， 从而使洗衣机保持长时间的清洁。
对应上述方法， 如图 3所示， 给出了一种具体应用于滚筒洗衣机的自清洁 方法流程示意图。
在洗衣漂洗的排水阶段， 洗衣机的控制系统检测自上次自清洗完成后所累 计的洗衣次数， 若相应次数小于 m次， 比如 30次， 此时， 相应的洗衣机内外筒 相对清洁， 不需要进行自清洗， 洗衣机将水全部排除， 并相应进行甩干脱水； 洗衣次数达到 m次以上， 如 30次以上， 则根据本次洗衣量的大小决定是否进行 自清洗， 此时亦可根据洗衣量对应的档位进行选择， 如洗衣量较大， 自清洗过 程中电机的负载要求较高， 则不进行自清洗动作， 洗衣机将水全部排除， 并相 应进行甩干脱水； 如洗衣量较小， 自清洗过程中电机的负载较小， 则程序启动 自清洗程序， 并相应将洗衣累计次数归零， 并控制该洗衣机排水至设定的自清 洗水位， 使自清洁水位的水面与滚筒洗衣机的内筒相交并稍高于内筒最低处， 此时， 使内筒以预定旋转速度高速旋转一定时间， 在此过程中， 旋转的内筒击 打水面， 利用水与内筒表面间的摩擦力以及内筒击打水面后飞溅的水滴对内筒 外表面和外筒内表面进行清洗， 可由程序设定相应的旋转时间、 旋转方向和旋 转速度， 动作完成后相应进行甩干脱水， 完成洗衣过程。
若相应的洗衣次数累计达到 n次以上， 比如 50次， 在此过程中该洗衣机从 没有进行过一次自清洗动作， 则控制系统强制洗衣机在洗衣漂洗的排水阶段， 将洗衣累计次数归零， 控制该洗衣机排水至设定的自清洗水位， 使自清洁水位 的水面与滚筒洗衣机的内筒相交并稍高于内筒最低处， 此时， 使内筒以预定旋 转速度高速旋转一定时间， 在此过程中， 旋转的内筒击打水面， 利用水与内筒 表面间的摩擦力以及内筒击打水面后飞溅的水滴对内筒外表面和外筒内表面进 行清洗， 可由程序设定相应的旋转时间、 旋转方向和旋转速度， 动作完成后相 应进行甩干脱水， 完成洗衣过程。
上述方法通过控制系统将自清洁动作整合至甩干程序开始前漂洗排水时按 一定规则自动进行， 无须单独设置洗衣机自清洁程序， 有利于长期保持洗衣机 内筒和外筒的清洁。
以上所述仅为本发明的优选实施例， 并不用于限制本发明， 对于本领域技 术人员而言， 本发明可以有各种改动和变化。 凡在本发明的精神和原理之内所 作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护范围之内。

Claims

权 利 要 求 书
1、 一种滚筒洗衣机的自清洁方法， 其特征在于， 在设定的自清洁水位 下， 使所述滚筒洗衣机的内筒以预定旋转速度旋转一定时间， 旋转的内筒击 打水面， 利用水与内筒表面间的摩擦力以及内筒击打水面后飞溅的水滴对内 筒外表面和外筒内表面进行清洗， 该自清洁水位的水面与所述滚筒洗衣机的 内筒相交并稍高于内筒最低处。
2、 根据权利要求 1 所述的滚筒洗衣机的自清洁方法， 其特征在于， 所述 自清洁水位的水面与内筒表面相交的弦高大于 1mm小于 50mm。
3、 根据权利要求 1 所述的滚筒洗衣机的自清洁方法， 其特征在于， 所述 内筒在以预定旋转速度进行旋转时可釆用正向旋转、 反向旋转或两种方向交 替旋转的方式。
4、 根据权利要求 1 所述的滚筒洗衣机的自清洁方法， 其特征在于， 所述 预定旋转速度不低于 800r/m。
5、 根据权利要求 1 所述的滚筒洗衣机的自清洁方法， 其特征在于， 自清 洗时内筒旋转时间为 10秒至 600秒。
6、 根据权利要求 1至 6所述的任一种滚筒洗衣机的自清洁方法， 其特征在 于， 在甩干程序开始前， 漂洗排水至自清洁水位时， 启动该方法进行自清 洁。
7、 根据权利要求 6 所述的滚筒洗衣机的自清洁方法， 其特征在于， 该自 清洁方法可在控制系统的作用下加入到漂洗程序并自动启动， 启动的初始条 件是自上次自清洁完成后累计洗衣次数不小于 m次且不大于 n次。
8、 根据权利要求 7 所述的滚筒洗衣机的自清洁方法， 其特征在于， 当洗 衣次数累计大于 m次同时洗衣重量低于 T值时， 进行自清洗并将累计洗衣次数 归零。
9、 根据权利要求 7 所述的滚筒洗衣机的自清洁方法， 其特征在于， 当洗 衣次数累计大于 n次时， 强制进行自清洗并将累计洗衣次数归零。
10、 一种滚筒洗衣机， 包括外筒、 内筒及控制系统， 其特征在于， 该洗衣 机采用权利要求 6所述的自清洁方法对内筒外表面和外筒内表面进行清洗。
PCT/CN2013/090017 2013-05-20 2013-12-19 一种滚筒洗衣机的自清洁方法及滚筒洗衣机 WO2014187125A1 (zh)

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