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WO2018019115A1 - 一种洗干一体机的线屑清理方法 - Google Patents

一种洗干一体机的线屑清理方法 Download PDF

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Publication number
WO2018019115A1
WO2018019115A1 PCT/CN2017/092208 CN2017092208W WO2018019115A1 WO 2018019115 A1 WO2018019115 A1 WO 2018019115A1 CN 2017092208 W CN2017092208 W CN 2017092208W WO 2018019115 A1 WO2018019115 A1 WO 2018019115A1
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Prior art keywords
washing
water
preset
heat exchanger
wire
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PCT/CN2017/092208
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English (en)
French (fr)
Inventor
张立君
徐永洪
赵雪利
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青岛海尔滚筒洗衣机有限公司
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Publication of WO2018019115A1 publication Critical patent/WO2018019115A1/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
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the invention belongs to the field and, in particular, to a wire cleaning method for a washing and drying machine.
  • Drum-type washing and drying machine is more and more popular among users, and the industry is paying more and more attention to the development of drying performance.
  • the performance is relatively stable, but with the extension of the use cycle, the drying effect is not satisfactory.
  • the main reason for the decrease in the drying effect is that the air volume of the drying system is gradually reduced compared to the new washing and drying machine.
  • the main reason for the decrease in air volume is that more and more lint of clothing accumulates at the air outlet of the drying fan and the heat exchanger.
  • the swarf adheres to the surface of the various components in the drying system passage, and the surface of the heat exchanger is particularly large.
  • the accumulation of wire scraps reduces the air volume of the drying passage, and the exchange efficiency of the heat exchanger decreases, thereby reducing the drying efficiency, such as prolonged drying time, increased drying energy consumption, undryed clothes, etc., and may even trigger Safety protection device, the machine needs after-sales maintenance to continue to use.
  • the washing valve or the condensing valve is opened for a short time before the end of the drying process, and the heat exchanger is flushed for a short time.
  • the above-mentioned scouring process is too short, the swarf cleaning is insufficient, and there is still a great possibility that it remains in the drying system passage, and the above process only flushes the swarf attached to the heat exchanger to the bottom thereof, and cannot swarf the swarf. Timely and effective discharge to the machine.
  • the second is to increase the auxiliary wire chip flushing structure, which increases the cost of the drying system and increases the assembly and maintenance costs.
  • the third is to increase the wire filter, collect the wire, and then manually clean it.
  • This method increases the resistance of the air duct system and requires a higher performance drying fan. At the same time, the filter must be cleaned almost every time before the drying process is run, otherwise the drying performance will be greatly reduced.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a wire cleaning device for a washing and drying machine.
  • the cleaning method is simple and effective, and is easy to implement. It can not only wash the swarf to the bottom of the heat exchanger, but also discharge the swarf accumulated in the bottom of the heat exchanger in time, thereby reducing the swarf in the drying system channel. Stacking, extending the stable cycle of the drying performance of the drum type washing and drying machine.
  • a wire cleaning method for a washing and drying machine comprising a wire scraping process and a wire discharging process, the steps are as follows:
  • Filament scouring process During the process of washing water, the condensate washes the wire chips to the bottom of the heat exchanger;
  • Filament discharge process the inner cylinder enters the water, the water level reaches the first preset water level, the inner cylinder performs the stirring process, and the stirring water flow washes the wire waste;
  • the first preset water level is higher than the bottom water outlet of the heat exchanger; the stirring process is that the inner cylinder is accelerated to a first preset rotation speed, and the first preset rotation speed is higher than a normal washing program or a rinsing program of the washing machine. Speed.
  • the first preset rotational speed is 2 to 5 times the rotational speed of the washing machine washing program or the rinsing program;
  • the first preset rotational speed is 120 to 200 rpm.
  • the time of the agitation process is at least half of the entire wire discharge process time
  • the time of the agitation process is 2 to 5 minutes.
  • the washing and drying machine comprises a tube self-cleaning program, and the tube self-cleaning program is executed after the washing and dehydration is completed.
  • the tube self-cleaning program the washing machine empty tube enters the water and rotates the water to wash the barrel; the thread discharging process is set in the tube Self-cleaning program.
  • the inlet water level of the cartridge self-cleaning program is a first preset water level; the rotation speed of the cartridge self-cleaning program is a first preset rotation speed.
  • the first preset water level is higher than the highest set water level of the cartridge self-cleaning program.
  • the wire discharging process includes the following steps:
  • the swarf flushing process includes the following steps:
  • S11 The washing machine starts a washing program or a rinsing program, and the water inlet starts;
  • the washing or rinsing procedure of the washer-dryer includes an agitation process, and the agitation process in the washing or rinsing process oscillates the flow of water to flush the chips.
  • the present invention has the following beneficial effects compared with the prior art:
  • the wire cleaning method of the washing and drying machine provided by the invention is simple and effective, and is easy to implement, and can not only flush the wire scraping to the bottom of the heat exchanger, but also discharge the wire dust accumulated in the bottom of the heat exchanger in time. Thereby reducing the accumulation of the wire in the channel of the drying system and prolonging the stable cycle of the drying performance of the drum type washing and drying machine.
  • the wire scraping cleaning method performs the wire scraping process in the process of washing water, which can save time, and can set the wire discharging process in the self-cleaning process of the cylinder to re-use the water in the self-cleaning process of the cylinder. Can save resources and save costs.
  • Figure 1 is a flow chart of a water-cooled drum washing and drying machine system
  • Figure 2 is a flow chart of the chip scraping of the present invention
  • Figure 3 is a flow chart of the wire removal of the present invention.
  • Figure 4 is a schematic view of the wire stacking position and water level of the present invention.
  • Fig. 1 is a flow chart of a water-cooled drum washing and drying machine system
  • 1 is a heat exchanger
  • 2 is a heating device.
  • the drying passage of the water-cooled drum type washing and drying machine consists of two steps: a drying air passage and a condensing water passage.
  • the air flow direction of the drying air passage and the condensing water passage is as shown in Fig. 1, and the drying air passage is a solid arrow and a condensed water passage. As a hollow arrow, wire dust accumulation occurs in the drying air path.
  • Drying air path The air is heated by the heating device 2, and the heated high temperature and dry air is blown into the inner cylinder by the drying fan, and the dry and hot air is heated to evaporate into high temperature and high humidity steam.
  • the high-temperature and high-humidity steam is sucked into the heat exchanger 1 by the wind, and the high-temperature and high-humidity steam is condensed in the heat exchanger 2, and the condensed water flows down the heat exchanger 1 and enters the collection chamber to collect, and the condensed low-temperature low-humidity air is again
  • the heating device is heated and thus circulated.
  • the lint accumulates at the air outlet of the drying fan and heat exchanger.
  • Condensate water path (open arrow): The heat exchanger is connected to the condensate valve through a hose. The condensed water condenses the high temperature and high humidity air of the drying air path in the heat exchanger, and then is discharged to the heat exchanger.
  • the embodiment provides a wire cleaning method for the washing and drying machine, including a wire scraping process and a wire discharging process, and the steps are as follows:
  • Filament scouring process During the process of washing water, the condensate washes the wire chips to the bottom of the heat exchanger;
  • Filament discharge process the inner cylinder enters the water, the water level reaches the first preset water level, the inner cylinder performs the stirring process, and the stirring water flow washes the wire waste.
  • the laundry water inlet process can be used as a separate program for the water in the washing program, the water in the rinsing program, or the water in the self-cleaning program.
  • the washing water inflow process the condensate washes the heat exchanger and brings the scraps to the bottom of the heat exchanger, which not only saves time, but also automatically controls to avoid the trouble of manual control.
  • the swarf scouring process can be run independently according to the actual situation, and the operation can be set at any time to meet the actual needs.
  • the thread discharge process can be run as a stand-alone program or with other programs, such as a self-cleaning program.
  • the wire removal process can be run independently according to the actual situation, and the wire can be completely cleaned at any time. It saves time and saves resources when accompanied by other programs.
  • the first preset water level is higher than the water outlet at the bottom of the heat exchanger, so that the water level reached is high, and the bottom of the heat exchanger can be flushed to a large area, and the number of wire chips taken out is large, and the wire discharge effect is better.
  • the inner cylinder performs a stirring process, and the stirring process accelerates the inner cylinder to a first preset rotation speed, and the first preset rotation speed is higher than the normal washing program of the washing machine or the rotation speed of the rinsing program.
  • the normal washing program or the rinsing speed of the washing machine is generally 40 to 60 rpm, and the first preset rotation speed is 2 to 5 times of the rotation speed of the washing machine washing program or the rinsing program, according to the specifications of the drum type washing and drying machine currently sold in the market.
  • the parameter, preferably, the first predetermined rotational speed is 120 to 200 rpm.
  • the swarf swarf discharge process time can be artificially set, for example, lasting 5-10 minutes, wherein the turbulent flow time is at least half of the entire swarf discharge process time.
  • the turbulent flow time is 2 to 5 minutes, so that the turbulence Ample time is enough to bring the thread out.
  • the stirring process is adopted, and the rotation speed of the inner cylinder is much higher than the rotation speed of the normal washing program or the rinsing program, and the generated surge current has a large impact force and a high impact height, and can hit the bottom of the heat exchanger to a greater extent and take out the chips.
  • the use of the stirring process that is, the use of high speed, combined with high water level, can achieve the best wire discharge effect.
  • the swarf scouring process and the swarf discharge process can be repeated a plurality of times, and the undischarged swarf can be completely drained.
  • the embodiment provides a wire cleaning method for a washing and drying machine, including a wire scraping process and a wire discharging process, and the steps are as follows:
  • the water level reaches the first preset water level H2 is 30-50 mm, which is higher than the water outlet at the bottom of the heat exchanger, that is, higher than the normal water level H1, and stops the water inlet;
  • k is 4, wherein the inner cylinder diameter is 320 mm, and when the first preset rotation speed is 120 rpm, the first preset water level is 50 mm, and the first preset rotation speed is 50 mm. At 200 rpm, the first preset water level is 30 mm.
  • the wire discharging process is set in the self-cleaning process of the cylinder, and the water in the self-cleaning process of the cylinder can be used twice to save water.
  • Step S22 the water level reached by the water inlet is high, the water volume is large, and the various positions of the bottom of the heat exchanger can be washed, so that the accumulated wire scraps can be better taken out; and when the water level is low, the water quantity is too small, and the wire dust is brought out badly. .
  • the surge current is high, the impact force is sufficient, and the wire is easily taken out of the heat exchanger; if the rotation speed is too low, the water flow impact force generated by the low-speed movement of the inner cylinder is insufficient, and the line cannot be Take away the debris.
  • S11 The washing machine starts a rinsing program or a washing program, and the water inlet starts;
  • the intensity of the turbulent water flow is slightly small, and the swarf is less generated each time, but the swarf can also be discharged due to repeated washing and rinsing procedures.
  • the chip scouring and discharging processes are performed simultaneously with the washing process or the rinsing process, saving time and saving resources.
  • the difference between the embodiment and the embodiment 2 is that the chip scraping process and the wire discharging process are performed in the self-cleaning process of the cylinder, which does not bring the lint to the clothes of the inner cylinder, and the scraps are washed and discharged. The effect is better.
  • the wire cleaning method of the washing and drying machine provided by the invention is simple and effective, and is easy to implement, and can not only wash the wire chips to the bottom of the heat exchanger, but also timely disassemble the wire debris accumulated at the bottom of the heat exchanger. Discharge, thereby reducing the accumulation of wire dust in the drying system channel, and extending the stable cycle of the drying performance of the drum type washing and drying machine.
  • the chip scraping process and the discharging process of the method can be performed along with the existing program of the washing machine, saving time and saving resources.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

一种洗干一体机的线屑清理方法，包括线屑冲刷流程和线屑排出流程，步骤如下：线屑冲刷流程：洗衣进水过程中，冷凝水冲刷线屑到热交换器（1）底部；线屑排出流程：内筒进水,水位达到第一预设水位（H2），内筒进行激荡流程，激荡水流冲刷线屑排出；其中，第一预设水位（H2）高于热交换器（1）底部出水口；激荡流程为内筒加速到第一预设转速转动，第一预设转速高于洗衣机正常洗涤程序或者漂洗程序的转速。本发明提供的线屑清理方法，简单有效，易于实现，不仅能够将线屑冲刷到热交换器（1）的底部，还能将线屑及时的排出，从而减少线屑在烘干系统通道中的堆积，延长洗干一体机烘干性能的稳定周期。

Description

一种洗干一体机的线屑清理方法 技术领域
本发明属于领域，具体地说，涉及一种洗干一体机的线屑清理方法。
背景技术
滚筒式洗干一体机越来越受到用户的青睐，行业内也越来越注重烘干性能的开发。对于使用周期较短的洗干一体机，其性能相对稳定，但是随着使用周期的延长，烘干效果却不尽人意。烘干效果下降的主要原因是烘干系统的风量相较新的洗干一体机逐渐减小。而风量减小的主要原因是衣物越来越多的线屑在烘干风机和热交换器出风口处堆积。
在此烘干过程中线屑会附着在烘干系统通路中的各个器件的表面，热交换器的表面尤其多。线屑的堆积使得烘干通路的风量降低，热交换器的交换效率随之降低，从而降低了烘干效率，如烘干时间延长，烘干能耗增加，衣物未烘干等，甚至可能触发安全保护装置，机器需要售后维修才能继续使用。
目前市场上的线屑清理方法主要有三种：
一是在烘干过程结束前短时间的打开洗涤阀或者冷凝阀，对热交换器进行短时间的冲刷。上述冲刷过程过于简短，线屑清理不充分，仍有极大的可能性残存在烘干系统通路中，并且上述过程仅仅是将热交换器中附着的线屑冲洗到其底部，不能将线屑及时、有效的排到机器外。
二是增加辅助的线屑冲洗结构，该方式使得烘干系统的成本增加，同时也增加了装配和维修成本。
三是增加线屑过滤网，收集线屑，之后手动清理。该方式使得风道系统的阻力增大，需要更高性能的烘干风机，同时几乎每次在运行烘干程序前都必须清理过滤网，否则烘干性能会大大降低。
有鉴于此特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种洗干一体机的线屑清理方 法，该清理方法简单有效，易于实现，不仅能够将线屑冲刷到热交换器的底部，还能将堆积在热交换器底部的线屑及时排出，从而减少线屑在烘干系统通道中的堆积，延长滚筒式洗干一体机烘干性能的稳定周期。
为解决上述技术问题，本发明采用技术方案的基本构思是：
一种洗干一体机的线屑清理方法，包括线屑冲刷流程和线屑排出流程，步骤如下：
线屑冲刷流程：洗衣进水过程中，冷凝水冲刷线屑到热交换器底部；
线屑排出流程：内筒进水,水位达到第一预设水位，内筒进行激荡流程，激荡水流冲刷线屑排出；
其中，所述第一预设水位高于热交换器底部出水口；所述激荡流程为内筒加速到第一预设转速转动，所述第一预设转速高于洗衣机正常洗涤程序或者漂洗程序的转速。
优选地，所述第一预设转速为洗衣机洗涤程序或者漂洗程序的转速的2～5倍；
进一步优选地，第一预设转速为120～200rpm。
所述激荡流程的时间至少为整个线屑排出流程时间的一半；
优选地，所述激荡流程的时间为2～5min。
所述第一预设水位与第一预设转速的关系式为：S＝R-k*H，其中，R为内筒直径,单位为mm；H为第一预设水位，单位为mm；S为第一预设转速,单位为rpm；k为常数，由洗干一体机的规格参数决定；优选地，所述的k取4。
所述的洗干一体机包括筒自洁程序，筒自洁程序在洗衣脱水完成后执行，筒自洁程序中洗衣机空筒进水转动激荡水流冲刷筒体；所述线屑排出流程设置在筒自洁程序中。
所述筒自洁程序的进水水位为第一预设水位；所述筒自洁程序的转速为第一预设转速。
所述第一预设水位高于筒自洁程序的最高设定水位。
所述线屑排出流程包括如下步骤：
S21：洗衣机启动筒自洁程序，开始进水；
S22：水位达到第一预设水位后，停止进水；
S23：内筒加速到第一预设转速，激荡水流冲刷热交换器底部；
S24：激荡流程结束，堆积在热交换器底部的线屑被排出。
所述线屑冲刷流程包括如下步骤：
S11：洗衣机启动洗涤程序或漂洗程序，进水开始；
S12：冷凝水的进水阀打开，冷凝水冲刷热交换器内壁，将附着在热交换器内壁上的线屑冲刷到热交换器的底部；
S13：进水结束，冷凝水的进水阀关闭。
所述洗干一体机的洗涤程序或漂洗程序包括激荡流程，洗涤程序或漂洗程序中的激荡流程激荡水流冲刷线屑排出。
采用上述技术方案后，本发明与现有技术相比具有以下有益效果：
(1)本发明提供的洗干一体机的线屑清理方法简单有效，易于实现，不仅能够将线屑冲刷到热交换器的底部，还能将堆积在热交换器底部的线屑及时排出，从而减少线屑在烘干系统通道中的堆积，延长滚筒式洗干一体机烘干性能的稳定周期。
(2)该线屑清理方法在洗衣进水过程中执行线屑冲刷流程，可以节约时间，并可将线屑排出流程设置在筒自洁程序中，对筒自洁过程的水进行二次利用，可以节约资源，节省成本。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图说明
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，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他附图。在附图中：
图1是水冷式滚筒洗干一体机系统流向图；
图2是本发明线屑冲刷流程图；
图3是本发明线屑排出流程图；
图4是本发明线屑堆积位置和水位示意图。
图中：1热交换器；2加热装置；3线屑堆积位置；H1正常水位；H2第一预设水位。
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对实施例中的技术方案进行清楚、完整地描述，以下实施例用于说明本发明，但不用来限制本发明的范围。
图1是水冷式滚筒洗干一体机系统流向图，1为热交换器，2为加热装置。水冷式滚筒式洗干一体机的烘干通路由烘干风路和冷凝水路两路组成，烘干风路和冷凝水路的空气流向如图1所示，烘干风路为实心箭头，冷凝水路为空心箭头，烘干风路中产生线屑堆积。
烘干风路：空气通过加热装置2被加热，加热后的高温、干燥的空气由烘干风机吹入内筒内，干热的空气使筒内衣物的水分受热后蒸发成高温高湿的蒸汽，高温高湿的蒸汽被风吸入热交换器1，高温高湿蒸汽在热交换器2中被凝结，变成凝结水沿热交换器1流下，进入收集腔内收集，冷凝的低温低湿空气再次被加热装置加热，如此循环。线屑在烘干风机和热交换器出风口处堆积。
冷凝水路(空心箭头)：热交换器通过软管连接冷凝水阀，冷凝水在热交换器内对烘干风路的高温高湿空气进行冷凝，之后再被排出热交换器。
实施例1
本实施方式提供一种洗干一体机的线屑清理方法，包括线屑冲刷流程和线屑排出流程，步骤如下：
线屑冲刷流程：洗衣进水过程中，冷凝水冲刷线屑到热交换器底部；
线屑排出流程：内筒进水,水位达到第一预设水位，内筒进行激荡流程，激荡水流冲刷线屑排出。
线屑冲刷流程中，洗衣进水过程可为洗涤程序进水、漂洗程序进水或筒自洁程序进水等，也可作为独立程序运行。伴随洗衣进水过程，冷凝水冲刷热交换器，将线屑带到热交换器底部，这样不仅可以节约时间，还可以自动控制，避免手动控制的麻烦。线屑冲刷流程独立运行可根据实际情况的需要，随时设定运行，满足实际需求。
线屑排出流程可以作为独立程序运行，也可伴随其它程序进行，如筒自洁程序等。线屑排除流程独立运行可根据实际情况的需要，随时设定运行，将线屑完全清理。伴随其它程序进行时，还可以节约时间，节省资源。
第一预设水位高于热交换器底部出水口，这样达到的水位高，能够将热交换器底部较大面积地冲刷到，带出的线屑数量多，线屑排出效果更好。
内筒进行激荡流程，激荡流程为内筒加速到第一预设转速转动，第一预设转速高于洗衣机正常洗涤程序或者漂洗程序的转速。洗衣机正常洗涤程序或者漂洗程序的转速一般为40～60rpm，而第一预设转速为洗衣机洗涤程序或者漂洗程序的转速的2～5倍，根据目前市场所售的滚筒式洗干一体机的规格参数，优选地，第一预设转速为120～200rpm。
线屑线屑排出流程时间可以人为设定，如持续5-10min，其中激荡流程的时间至少为整个线屑排出流程时间的一半，优选地，所述激荡流程的时间为2～5min，这样激荡时间充足可以更好地将线屑带出。
这样采用激荡流程，内筒转速大大高于正常洗涤程序或者漂洗程序的转速，产生的激荡水流冲击力大，冲击高度高，能够更大程度冲击热交换器底部并将线屑带出。而采用激荡流程，即用高转速，配合高的水位，能够达到最佳的线屑排出效果。
线屑排除流程中，第一预设水位与第一预设转速的关系式为：S＝R-k*H，其中，R为内筒直径,单位为mm；H为第一预设水位，单位为mm；S为第一预设转速,单位为rpm；k为常数，由洗干一体机的规格参数决定；优选地，所述的k取4。
进一步的，可将线屑冲刷流程和线屑排出流程重复多次，可将未排出的线屑完全排尽。
实施例2
如图2至图4所示，本实施方式提供一种洗干一体机的线屑清理方法，包括线屑冲刷流程和线屑排出流程，步骤如下：
线屑冲刷流程：
S11：洗衣机启动洗涤程序，进水开始；
S12：冷凝水的进水阀打开，冷凝水冲刷热交换器内壁，将附着在热交换器内壁上的线屑冲刷到热交换器的底部；
S13：进水结束，冷凝水的进水阀关闭，此时线屑堆积在热交换器的底部。
这样，在洗衣过程进水的同时，冷凝水冲刷线屑到热交换器底部，可以节约时间。
线屑排出流程，时间为4-10min：
S21：洗衣机启动筒自洁程序，开始进水；
S22：水位达到第一预设水位H2为30～50mm，高出热交换器底部出水口，即比正常水位H1高，停止进水；
S23：内筒加速到第一预设转速120～200rpm，产生激荡水流，这样顺时针持续2～5min， 激荡的水流冲击到热交换器底部各个位置，水流返回时将线屑堆积位置3的线屑带出；
S24：激荡流程结束，线屑随水流通过排水管排出。
其中，步骤S22和S23中第一预设水位和第一预设转速的关系式为：S＝R-k*H，R为内筒直径,H为第一预设水位，S为第一预设转速,根据本实施例的海尔滚筒洗干一体机的规格参数，k取4，其中内筒直径为320mm，第一预设转速设为120rpm时，第一预设水位为50mm，第一预设转速为200rpm时，第一预设水位为30mm。
在此将线屑排出流程设置在筒自洁程序中，可以对筒自洁过程中的水进行二次利用，节约用水。步骤S22进水达到的水位高，水量大，能够冲刷热交换器底部各个位置，能够更好地将堆积的线屑带出；而当水位低时，水量过少，线屑带出效果不好。
采用120～200rpm的高转速，产生激荡水流冲击高度高，冲击力足，易将线屑带出热交换器；若转速过低，内筒的低转速运动产生的水流冲击力不足，不能将线屑带走。
实施例3
本实施方式与实施例1的区别在于线屑冲刷流程和线屑排出流程均在洗衣机的洗涤程序或漂洗程序中执行，步骤如下：
线屑冲刷流程：
S11：洗衣机启动漂洗程序或洗涤程序，进水开始；
S12：冷凝水的进水阀打开，冷凝水冲刷热交换器内壁，将附着在热交换器内壁上的线屑冲刷到热交换器的底部；
S13：水位达到第一预设水位50mm，停止进水；冷凝水的进水阀关闭，此时线屑堆积在热交换器的底部。
线屑排出流程，时间为10min：
S21：内筒加速到第一预设转速200rpm，产生激荡水流，顺时针持续5min，激荡的水流冲击到热交换器底部，水流返回时将线屑带出；
S22：激荡流程结束，线屑随水流通过排水管排出。
此实施方式由于内筒中有衣物影响，激荡水流力度稍小，每次带出线屑较少，但是由于洗涤程序和漂洗程序多次重复，也可将线屑排出。此实施方式中线屑冲刷和排出流程均与洗涤程序或漂洗程序同时进行，节约时间，节约资源。
实施例4
本实施方式与实施例2的区别在于，线屑冲刷流程和线屑排出流程均在筒自洁程序中执行，此方式不会将线屑带到内筒的衣物上，且线屑冲刷、排出效果较好。
综上所述，本发明提供的洗干一体机的线屑清理方法简单有效，易于实现，不仅能够将线屑冲刷到热交换器的底部，还能将堆积在热交换器底部的线屑及时排出，从而减少线屑在烘干系统通道中的堆积，延长滚筒式洗干一体机烘干性能的稳定周期。另外，该方法的线屑冲刷流程和排出流程可伴随洗衣机已有程序执行，节约时间，节省资源。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种洗干一体机的线屑清理方法，其特征在于,包括线屑冲刷流程和线屑排出流程，步骤如下：
    线屑冲刷流程：洗衣进水过程中，冷凝水冲刷线屑到热交换器底部；
    线屑排出流程：内筒进水,水位达到第一预设水位，内筒进行激荡流程，激荡水流冲刷线屑排出；
    其中，所述第一预设水位高于热交换器底部出水口；所述激荡流程为内筒加速到第一预设转速转动，所述第一预设转速高于洗衣机正常洗涤程序或者漂洗程序的转速。
  2. 根据权利要求1所述的一种洗干一体机的线屑清理方法，其特征在于，所述第一预设转速为洗衣机洗涤程序或者漂洗程序的转速的2～5倍；优选地，第一预设转速为120～200rpm。
  3. 根据权利要求1所述的一种洗干一体机的线屑清理方法，其特征在于，所述激荡流程的时间至少为整个线屑排出流程时间的一半；优选地，所述激荡流程的时间为2～5min。
  4. 根据权利要求1所述的一种洗干一体机的线屑清理方法，其特征在于，所述第一预设水位与第一预设转速的关系式为：S＝R-k*H，其中，R为内筒直径,单位为mm；H为第一预设水位，单位为mm；S为第一预设转速,单位为rpm；k为常数，由洗干一体机的规格参数决定；优选地，所述的k取4。
  5. 根据权利要求1-4任意一项所述的一种洗干一体机的线屑清理方法，其特征在于，所述的洗干一体机包括筒自洁程序，筒自洁程序在洗衣脱水完成后执行，筒自洁程序中洗衣机空筒进水转动激荡水流冲刷筒体；所述线屑排出流程设置在筒自洁程序中。
  6. 根据权利要求5所述的一种洗干一体机的线屑清理方法，其特征在于，所述筒自洁程序的进水水位为第一预设水位；所述筒自洁程序的转速为第一预设转速。
  7. 根据权利要求6所述的一种洗干一体机的线屑清理方法，其特征在于，所述第一预设水位高于筒自洁程序的最高设定水位。
  8. 根据权利要求5所述的一种洗干一体机的线屑清理方法，其特征在于，所述的线屑排出流程包括如下步骤：
    S21：洗衣机启动筒自洁程序，开始进水；
    S22：水位达到第一预设水位后，停止进水；
    S23：内筒加速到第一预设转速，激荡水流冲刷热交换器底部；
    S24：激荡流程结束，堆积在热交换器底部的线屑被排出。
  9. 根据权利要求1所述的一种洗干一体机的线屑清理方法，其特征为，所述线屑冲刷流程包括如下步骤：
    S11：洗衣机启动洗涤程序或漂洗程序，进水开始；
    S12：冷凝水的进水阀打开，冷凝水冲刷热交换器内壁，将附着在热交换器内壁上的线屑冲刷到热交换器的底部；
    S13：进水结束，冷凝水的进水阀关闭。
  10. 根据权利要求1所述的一种洗干一体机的线屑清理方法，其特征为，所述洗干一体机的洗涤程序或漂洗程序包括激荡流程，洗涤程序或漂洗程序中的激荡流程激荡水流冲刷线屑排出。
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