WO2017121393A1 - 利用蒸汽进行衣物洗涤的方法及洗衣机 - Google Patents

利用蒸汽进行衣物洗涤的方法及洗衣机 Download PDF

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Publication number
WO2017121393A1
WO2017121393A1 PCT/CN2017/071172 CN2017071172W WO2017121393A1 WO 2017121393 A1 WO2017121393 A1 WO 2017121393A1 CN 2017071172 W CN2017071172 W CN 2017071172W WO 2017121393 A1 WO2017121393 A1 WO 2017121393A1
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Prior art keywords
water
preset
washing
outer cylinder
water level
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PCT/CN2017/071172
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English (en)
French (fr)
Inventor
蒋玉亮
龚熙战
赵新宇
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青岛海尔滚筒洗衣机有限公司
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Priority to JP2018536463A priority Critical patent/JP2019501731A/ja
Priority to US16/070,270 priority patent/US10544535B2/en
Publication of WO2017121393A1 publication Critical patent/WO2017121393A1/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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
    • 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
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/12—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid solely by gases, e.g. air or steam, introduced into the washing liquid
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/18—Washing liquid level
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/087—Water level measuring or regulating devices

Definitions

  • the present disclosure relates to a laundry washing method technique, for example, to a method of washing laundry using steam and a washing machine.
  • the inside of the drum washing machine includes an outer cylinder and an inner cylinder, and the outer cylinder has a heating tube for storing water for washing the laundry, and the inner cylinder is rotated for the beat laundry.
  • the inner tube contains a number of small holes for separating clothes and washing water and drying the clothes.
  • the washing method for the laundry is generally to heat the washing water in the main washing stage for promoting the activation of the detergent to improve the washing effect, but the above washing method does not achieve the purpose of stretching clothes and wrinkles. And the washing time is too long.
  • a washing machine that uses a steam generator to provide steam. The washing clothes are first wetted by the washing water and then washed by steam, so that the clothes can be stretched and wrinkled, and the main washing time is reduced by steam washing, but since the clothes are wetted Containing a large amount of water will cause the steam to be difficult to absorb, reducing the effect of steam washing, resulting in longer washing time and excessive energy consumption.
  • the present disclosure provides a method for washing clothes using steam and a washing machine, which generates a sufficient amount of steam by washing water into the outer cylinder and heating the portion of water before the laundry is pre-washed or main-washed, and the laundry is washed by steam.
  • the clothes are fully stretched, and the deodorizing and deodorizing sterilization can appropriately reduce the heating time in the normal washing process to achieve the energy saving effect.
  • Embodiments of the present disclosure provide a method of washing laundry using steam, comprising:
  • Water is introduced into the outer cylinder, and when the water level reaches a preset water level, the water inlet is stopped, wherein the The water level is determined by the position of the outer cylinder heating device and the bottom of the inner cylinder;
  • the water is discharged into the outer cylinder, and when the water inlet water level reaches a preset water level, stopping the water inlet includes:
  • the preset water inlet time is determined by the preset water level and the measured water flow rate, and the water inlet is stopped when the water inlet time reaches the preset water inlet time.
  • the water is discharged into the outer cylinder, and when the water inlet water level reaches a preset water level, stopping the water inlet includes:
  • the preset inlet water flow rate is determined by the preset water level, and the water inlet is stopped when the total inflow water flow reaches the preset total inflow water flow rate.
  • the water is discharged into the outer cylinder, and when the water inlet water level reaches a preset water level, stopping the water inlet includes:
  • determining the preset water level by the outer cylinder heating device and the bottom of the inner cylinder comprises:
  • the preset water position is between the outer cylinder and the bottom of the inner cylinder, and the outer cylinder heating device is immersed.
  • the laundry steam washing comprises:
  • the driving motor drives the inner cylinder to rotate at a preset speed and a turning ratio.
  • the driving motor drives the inner cylinder to rotate simultaneously with the water in the heating outer cylinder at a preset rotation speed and a rotation ratio.
  • the method further includes:
  • the pre-washing is stopped and drained.
  • the water is again introduced, and the influent water is heated to perform main washing on the laundry.
  • the embodiment of the present disclosure further provides a washing machine, including: an inner cylinder, an outer cylinder, an outer cylinder heating device, a water inlet valve, a driving motor, and a controller; wherein
  • the outer cylinder is arranged to receive water injected into the outer cylinder after the inlet valve is opened to generate steam;
  • the controller is configured to: when the water level reaches a preset water level, control to stop the water inlet, wherein the preset water level is determined by the position of the outer tube heating device and the bottom of the inner tube;
  • the outer cylinder heating device is arranged to heat the water in the outer cylinder
  • the controller is further configured to: control the outer tube heating device to stop heating when heated to a preset time or a preset temperature;
  • the driving motor is controlled to drive the inner cylinder to wash the laundry steam.
  • determining the preset water level by the outer cylinder heating device and the bottom of the inner cylinder comprises:
  • the preset water position is between the outer cylinder and the bottom of the inner cylinder, and the outer cylinder heating device is immersed.
  • the inlet valve is a solenoid valve.
  • the outer tube heating device is a heating tube.
  • the washing machine further includes: a water temperature sensor disposed at a bottom of the outer cylinder.
  • the washing machine further comprises: a liquid flow meter disposed at the water inlet valve.
  • water is supplied to the outer cylinder and the water is heated to generate a sufficient amount of steam to wash the laundry, the laundry is fully stretched, deodorized and deodorized, and the laundry can be reduced by steam washing.
  • the water consumed by pre-washing or main washing is reduced, and the heating time in the main washing process is reduced to achieve an energy-saving effect.
  • Embodiment 1 is a schematic flow chart of a method for washing laundry using steam according to Embodiment 1;
  • Embodiment 2 is a schematic flow chart of a method for washing clothes by using steam provided in Embodiment 2;
  • Embodiment 3 is a schematic flow chart of a method for washing clothes by using steam provided in Embodiment 3;
  • Embodiment 4 is a schematic structural view of a washing machine provided in Embodiment 3.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • FIG. 1 is a schematic flow chart of a method for washing clothes by using steam according to the embodiment. Referring to FIG. 1, the method includes:
  • water is introduced into the outer cylinder, and when the water inlet water level reaches a preset water level, the water inlet is stopped, wherein the preset water level is determined by the position of the outer cylinder heating device and the bottom of the inner cylinder;
  • the water inlet valve of the washing machine is turned on, and water is introduced into the outer cylinder of the washing machine to be used for generating steam.
  • the water inlet valve may be a solenoid valve, and the controller of the washing machine is used to control the opening and closing.
  • a preset water level needs to be set, that is, the theoretical inlet water level of the steam washing is satisfied.
  • the preset water level is determined by the position of the outer cylinder heating device and the bottom of the inner cylinder. It is selected that the above preset water level should be between the outer cylinder of the washing machine and the bottom of the inner cylinder, that is, the inlet water must not enter the inner cylinder to soak the laundry, and the inlet water needs to be immersed in the outer cylinder heating device, so that the water inlet can be heated by the outer cylinder.
  • the device is heated and evaporated, and the steam enters the inner cylinder to perform steam washing on the laundry in the inner cylinder.
  • the actual influent water level After entering the water, the actual influent water level is detected.
  • the inlet valve is closed and the water inlet is stopped.
  • the influent water level can determine the influent water level by the influent time, that is, the preset influent time is determined by the preset water level and the measured influent flow rate, and is closed when the influent time reaches the preset influent time.
  • Inlet valve stop entering water.
  • the principle is as follows: an inlet valve is arranged on the inlet pipe, the inlet valve is a solenoid valve, and the water pressure is 0.02-1.0 Mpa.
  • the measuring device Under the working condition, the measuring device can be passed through a flow meter or the like.
  • the measured influent flow rate is aL/min ⁇ b% (where a and b are set according to the situation).
  • the solenoid valve is opened for a certain time t, the predetermined water level can be reached by a certain volume of water, then t It can be used as a preset parameter for water intake, that is, the preset water inlet time described above. Then, during the actual use, when the water inlet time reaches the preset water inlet time, the inlet valve can be closed and the water inlet can be stopped.
  • the water level of the inlet water may also be determined by the total flow rate of the influent water, that is, the preset total water flow rate is determined by the preset water level, and the water inlet valve is closed when the total inflow water flow reaches the preset total water flow rate. , stop the water.
  • the preset inlet water flow rate is calculated by the preset water level, then the liquid flow meter is set at the inlet valve, and the total inflow water flow is measured by the liquid flow meter, which measures and calculates the measured water inlet solenoid valve. Meters for water flow and total incoming water flow over a certain time interval.
  • instantaneous flow is the amount of water passing through the effective section of the inlet pipe per unit time; the cumulative flow is the cumulative amount of the effective section through the inlet pipe during the time interval.
  • the cumulative flow influent total flow
  • instantaneous flow is the amount of water passing through the effective section of the inlet pipe per unit time; the cumulative flow is the cumulative amount of the effective section through the inlet pipe during the time interval.
  • the cumulative flow influent total flow
  • the liquid flow meter of this embodiment is provided with an impeller and a sensor.
  • the impeller When water flows through the sensor, under the action of water, the impeller is forced to rotate, and the rotational speed of the impeller is proportional to the average flow velocity in the flow channel.
  • the blade At the same time, the blade periodically cuts the magnetic flux generated by the electromagnet to change the magnetic flux of the coil, according to the electromagnetic induction.
  • the principle is that an electrical pulse signal is induced in the coil, and the frequency of the electrical pulsation signal is proportional to the flow rate of the fluid to be measured.
  • the total flow of influent measured by the flow meter if the total flow of the incoming water reaches the preset total inflow requirement corresponding to the preset water level per unit time, this value is transmitted to the computer board of the washing machine for control.
  • the computer control board issues an instruction to close the inlet valve and stop the water intake.
  • the water level of the inlet water can also be directly determined by the water level switch, that is, whether the water level of the inlet water level reaches the preset water level through the water level switch, and when the water level reaches the preset water level, the water inlet is stopped.
  • the detection principle is: detecting and controlling the water level in the washing tub through the water level switch of the washing machine.
  • the air chamber is provided on the washing machine, and the pressure of the air chamber changes according to the water level in the washing machine cylinder, and the air chamber is connected to the water level switch through a rubber hose.
  • the water in the outer cylinder is heated, and when heating to a preset time or a preset temperature, the heating is stopped;
  • the outer tube heating device After detecting that the influent water level is equal to the preset water level and stopping the water inlet, the outer tube heating device is turned on, the water in the outer tube is heated and steam is generated for steam washing.
  • the outer tube heating device selects a heating tube.
  • the outer cylinder heating device needs to be turned off.
  • the outer tube heating device by setting a preset time or a preset temperature, when the heating time reaches the pre-heating time After setting the time, turn off the outer tube heating device to stop heating; or set the water temperature sensor at the bottom of the outer tube of the drum washing machine, and detect the temperature inside the outer tube through the water temperature sensor.
  • the heating device stops heating.
  • the outer cylinder heating device can be closed by any of the above two conditions for closing the outer cylinder heating device.
  • the preset time may be 15 minutes, and the preset temperature may be 65 °C.
  • the motor is driven to drive the inner cylinder to rotate at a preset rotation speed and a rotation ratio to perform steam washing on the laundry.
  • the rotation speed setting of the above motor can be selected as 45 rpm, and the rotation stop ratio can be set to 10:5. That is, after the motor rotates for a period of time, it will stop for a certain period of time and then start to rotate, so that the laundry can be fully received by the ideal effect. At the same time, the fiber is not damaged.
  • the motor can rotate while heating the water in the outer cylinder to generate steam, that is, after the steam is generated, the motor is driven to rotate the inner cylinder to wash the clothes, or the motor can be driven by the controller after the heating is stopped.
  • the drum is rotated, that is, after the generated steam reaches the demand, steam washing is performed.
  • steam washing is performed.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • a main washing process is added on the basis of the first embodiment.
  • a method for washing clothes by using steam according to the embodiment includes:
  • water is introduced into the outer cylinder, and when the water inlet water level reaches a preset water level, the water inlet is stopped, wherein the preset water level is determined by the position of the outer cylinder heating device and the bottom of the inner cylinder;
  • the water in the outer cylinder is heated, and when heated to a preset time or a preset temperature, the heating is stopped;
  • the water inlet valve is opened to continue to feed water into the outer cylinder, and the water is stopped after the water is sufficiently wetted; then the water is heated to wash the clothes, that is, the above main Washing process.
  • the water is drained and enters the rinsing process; after the rinsing is finished, drainage and drying of the clothes are performed, and the washing of the clothes is finally completed.
  • the clothes are fully stretched, and the deodorizing and deodorizing sterilization is performed, and then the main washing is performed, the water consumed by the main washing can be reduced, and the heating time in the main washing process can be reduced to achieve the energy saving effect.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • a method for washing clothes by using steam includes:
  • water is introduced into the outer cylinder, and when the water inlet water level reaches a preset water level, the water inlet is stopped, wherein the preset water level is determined by the position of the outer cylinder heating device and the bottom of the inner cylinder;
  • the water in the outer cylinder is heated, and when heating to a preset time or a preset temperature, the heating is stopped;
  • Pre-washing refers to the washing process of removing dirty stains or larger particles on the clothes before the main washing. After the steam washing is finished, the pre-washing procedure is selected, at which time the inlet valve is controlled to be opened again, and then the inside of the cylinder is opened. After the water has sufficiently wetted the clothes, stop the water and start the pre-washing of the clothes.
  • the pre-washing time is set, that is, the preset washing time, and the preset washing time is 15 minutes in this embodiment. After the preset washing time is reached, the pre-washing is stopped, and the washed water is discharged.
  • a pre-washing process is added before the main washing.
  • the program may first perform the steam washing function, so that the pre-washing can be more and easier to take out. The dirt and particles contained in the clothes.
  • the embodiment of the present invention further provides a washing machine, comprising: an inner cylinder 41, an outer cylinder 42, an outer cylinder heating device 43, an inlet valve 44, a driving motor 45, and a controller 46;
  • the outer cylinder 42 is arranged to receive water injected into the outer cylinder 42 after the inlet valve 44 is opened to generate steam;
  • the controller 46 is configured to: when the water level reaches the preset water level, control to stop the water inlet, wherein the preset water level is determined by the position of the outer tube heating device 43 and the bottom of the inner tube 41;
  • the outer cylinder heating device 43 is arranged to heat the water in the outer cylinder 42;
  • the controller 46 is further configured to: control the outer cylinder heating device 43 to stop heating when heated to a preset time or a preset temperature;
  • the drive motor 45 is controlled to drive the inner cylinder 41 to wash the laundry steam.
  • determining the preset water level by the outer cylinder heating device 43 and the bottom of the inner cylinder 41 comprises:
  • the preset water is positioned between the outer cylinder 42 and the bottom of the inner cylinder 41 and is immersed in the outer cylinder heating device 43.
  • the inlet valve 44 is a solenoid valve.
  • the outer cylinder heating device 43 is a heating tube.
  • the washing machine further includes: a water temperature sensor disposed at a bottom of the outer tube 42.
  • the washing machine further includes: a liquid flow meter disposed at the water inlet valve 44.
  • the outer cylinder heating device 43 is disposed between the water inlet valve 44 and the outer cylinder 42, optionally disposed on the water inlet pipe, or may be disposed on the water inlet.
  • the present disclosure provides a method for washing laundry with steam and a washing machine.
  • water is supplied to the outer cylinder and the water is heated to generate a sufficient amount of steam to wash the laundry to fully stretch the laundry.
  • the water consumed by the pre-washing or main washing of the laundry can be reduced, and the heating time in the main washing process can be reduced to achieve the energy saving effect.

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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

一种利用蒸汽进行衣物洗涤的方法及洗衣机，所述方法包括：向外筒（42）进水，在所述进水水位达到预设水位时，停止进水，其中，所述预设水位由外筒加热装置（43）以及内筒（41）底部的位置确定；加热外筒（42）内的水，当加热到预设时间或预设温度时，停止加热；对衣物蒸汽洗涤。所述方法及洗衣机采用蒸汽对衣物洗涤，使衣物充分舒展，并除味除臭杀菌，可适当减少洗涤过程中的加热时间，达到节能的效果。

Description

利用蒸汽进行衣物洗涤的方法及洗衣机 技术领域
本公开涉及一种衣物洗涤方法技术，例如涉及一种利用蒸汽进行衣物洗涤的方法及洗衣机。
背景技术
滚筒洗衣机的内部含有外筒和内筒，外筒上有加热管，外筒用来进行存储用于洗涤衣物的水，内筒进行旋转，用于摔打式洗衣。内筒上含有许多小孔，用来隔离衣物和洗涤水，甩干衣物。
在相关技术中，对衣物的洗涤方法通常是在主洗阶段加热洗涤水，用于促进洗涤剂的活性化，来提高洗涤效果，但是上述洗涤方法，并不能达到舒展衣物和除皱的目的，且洗涤时间过长。也有洗衣机使用蒸汽发生器提供蒸汽，对洗涤衣物先通过洗涤水充分润湿后再通过蒸汽洗涤，使得衣物能够舒展以及除皱，同时通过蒸汽洗涤减少主洗涤的时间，然而由于衣物被润湿后含有大量水分，会导致蒸汽不易吸收，降低了蒸汽洗涤的效果，使得衣物洗涤时间依旧较长，能耗过多。
发明内容
本公开提供了一种利用蒸汽进行衣物洗涤的方法及洗衣机，在衣物预洗涤或主洗涤之前，通过向外筒内进水并加热该部分水，产生足量的蒸汽，由蒸汽对衣物洗涤，使衣物充分舒展，并除味除臭杀菌，可以适当减少正常洗涤过程中的加热时间，达到节能的效果。
本公开实施例提供一种利用蒸汽进行衣物洗涤的方法，包括：
向外筒进水，在所述进水水位达到预设水位时，停止进水，其中，所述预 设水位由外筒加热装置以及内筒底部的位置确定；
加热外筒内的水，当加热到预设时间或预设温度时，停止加热；以及
对衣物蒸汽洗涤。
可选的，所述向外筒进水，在所述进水水位达到预设水位时，停止进水包括：
通过预设水位以及测量的进水流量确定预设进水时间，在进水时间达到预设进水时间时，停止进水。
可选的，所述向外筒进水，在所述进水水位达到预设水位时，停止进水包括：
通过预设水位确定预设进水总流量，在进水总流量达到预设进水总流量时，停止进水。
可选的，所述向外筒进水，在所述进水水位达到预设水位时，停止进水包括：
通过水位开关反馈进水水位是否达到预设水位，并在进水水位达到预设水位时，停止进水。
可选的，所述预设水位由外筒加热装置以及内筒底部的位置确定包括：
所述预设水位置于外筒和内筒底部之间，且浸没外筒加热装置。
可选的，所述对衣物蒸汽洗涤包括：
驱动电机带动内筒以预设的转速以及转停比旋转。可选的，所述驱动电机带动内筒以预设的转速以及转停比旋转与所述加热外筒内的水同时进行。
可选的，所述对衣物蒸汽洗涤之后，还包括：
再次进水，对衣物进行预洗涤；
预洗涤至预设洗涤时间后，停止预洗涤并排水。
可选的，在对衣物蒸汽洗涤之后或在所述停止预洗涤并排水后还包括：
再次进水，并加热所述进水，对衣物进行主洗涤。
本公开实施例还提供一种洗衣机，包括：内筒、外筒、外筒加热装置、进水阀、驱动电机以及控制器；其中，
外筒设置为接收进水阀开启后向外筒注入的水，以产生蒸汽；
所述控制器设置为：在所述进水水位达到预设水位时，控制停止进水，其中，所述预设水位由外筒加热装置以及内筒底部的位置确定；
外筒加热装置设置为加热外筒内的水；
所述控制器还设置为：当加热到预设时间或预设温度时，控制所述外筒加热装置停止加热；以及
控制所述驱动电机带动内筒对衣物蒸汽洗涤。
可选的，所述预设水位由外筒加热装置以及内筒底部的位置确定包括：
所述预设水位置于外筒和内筒底部之间，且浸没外筒加热装置。
可选的，所述进水阀为电磁阀。
可选的，所述外筒加热装置为加热管。
可选的，所述洗衣机还包括：设置在所述外筒底部的水温传感器。
可选的，所述洗衣机还包括：设置在所述进水阀处的液体流量计。
在衣物预洗涤或主洗涤之前，通过向外筒进水并加热该部分水，产生足量的蒸汽对衣物洗涤，使衣物充分舒展，并除味除臭杀菌，而且通过蒸汽洗涤，可以减少衣物预洗涤或主洗涤所消耗的水，并且减少主洗涤过程中的加热时间，达到节能的效果。
附图说明
图1是实施例一提供的利用蒸汽进行衣物洗涤的方法的流程示意图；
图2是实施例二提供的利用蒸汽进行衣物洗涤的方法的流程示意图；
图3是实施例三提供的利用蒸汽进行衣物洗涤的方法的流程示意图；
图4示实施例三提供的洗衣机的结构示意图。
具体实施方式
下面结合附图并通过可选实施方式来说明本公开的技术方案。在不冲突的情况下，实施例和实施例中的特征可以相互任意组合。
实施例一：
图1为本实施例利用蒸汽进行衣物洗涤的方法的流程示意图，参照图1所示，该方法包括：
在S100中，向外筒进水，在所述进水水位达到预设水位时，停止进水，其中，所述预设水位由外筒加热装置以及内筒底部的位置确定；
即开启洗衣机的进水阀，向洗衣机的外筒内进水，以作为产生蒸汽所用，本实施例中，进水阀可选用电磁阀，用洗衣机的控制器控制启闭。
在开启上述进水阀进水之前，需要先设置一个预设水位，即满足蒸汽洗涤的理论进水水位，本实施例中，预设水位由外筒加热装置以及内筒底部的位置确定，可选的是上述预设水位应在洗衣机外筒和内筒底部之间，即进水不得进入内筒将衣物浸湿，而且进水需要浸没外筒加热装置，以使得进水能够被外筒加热装置加热蒸发，蒸汽进入内筒对内筒内的衣物进行蒸汽洗涤。
进水后，检测实际的进水水位，当该进水水位与预设水位相同时，关闭进水阀，停止进水。
本实施例中，进水水位可以通过进水时间来确定进水水位，即通过预设水位以及测量的进水流量确定预设进水时间，在进水时间达到预设进水时间时，关闭进水阀，停止进水。原理为：在进水管路上设置有进水阀，该进水阀为电磁阀，使用水压为0.02-1.0Mpa，在该工作条件下，通过流量计等测量装置可 测得进水流量为aL/min±b％(其中a以及b根据情况设定)，在该流量下，如果电磁阀开启一定时间t，通过一定体积的水能够达到预设水位，那么t就可以用来作为进水的预设参数，即上述的预设进水时间。随后在实际使用过程中，当进水时间达到预设进水时间时，就可以关闭进水阀，停止进水。
本实施例中，进水水位还可以是通过进水总流量来确定，即通过预设水位确定预设进水总流量，在进水总流量达到预设进水总流量时，关闭进水阀，停止进水。通过预设水位计算出预设进水总流量，随后在进水阀处设置液体流量计，并通过液体流量计测得进水总流量，该液体流量计是测量和计算被测进水电磁阀水流量和在一定的时间间隔内进水总流量的仪表。它可分为瞬时流量和累计流量(即进水总流量)，瞬时流量即单位时间内通过进水管有效截面的水量；累计流量即为在时间间隔内通过进水管有效截面的累计量。通过瞬时流量对时间积分亦可求得累计流量(进水总流量)，随后将该进水总流量与计算出的预设进水总流量比较。
本实施例的液体流量计中设置有叶轮和传感器。当水流过传感器时，在水的作用下，叶轮受力旋转，叶轮的转速与流道内的平均流速成正比，同时，叶片周期性地切割电磁铁产生的磁力线，改变线圈的磁通量，根据电磁感应原理，在线圈内将感应出电脉冲信号，此电脉动信号的频率与被测流体的流量成正比。通过流量计测量的进水总流量，如果单位时间内该进水总流量达到预设水位所对应的预设进水总流量要求，这个数值会传递给洗衣机的电脑板控制。电脑控制板发出指令，关闭进水阀，停止进水。
本实施例中，进水水位还可以直接通过水位开关来确定，即通过水位开关反馈进水水位是否达到预设水位，并在进水水位达到预设水位时，停止进水。检测原理为：通过洗衣机的水位开关来检测和控制洗衣筒内的水位高度。可选 的，在洗衣机上设气室，该气室的压力随洗衣机筒内水位的高低而变化，气室通过一个橡胶软管与水位开关相连。在洗衣机筒内水位升高时，气室的压力增大，推动水位开关的内膜片拉升，到达预设水位高度时，水位开关内触头转换，接通电路或传递一电信号给洗衣机电脑控制板，电脑控制板从而控制进水阀关闭，停止进水。
在S110中，加热外筒内的水，当加热到预设时间或预设温度时，停止加热；
在检测到进水水位等于预设水位停止进水后，开启外筒加热装置，将外筒内的水加热并产生蒸汽，用以进行蒸汽洗涤。本实施例中，外筒加热装置选用加热管。
为了更好的实现节能的效果，在产生足够对衣物蒸汽洗涤的蒸汽后，需要将外筒加热装置关闭，本实施例中通过先设定一个预设时间或者预设温度，当加热时间达到预设时间后，关闭外筒加热装置停止加热；或者在滚筒洗衣机的外筒底部设置水温传感器，并通过水温传感器检测外筒内的温度，当外筒内的温度达到预设温度后，关闭外筒加热装置停止加热。上述两种关闭外筒加热装置的条件任意一个达到要求，即可关闭外筒加热装置。
本实施例中，预设时间可选为15分钟，预设温度可选为65℃。
在S120中，对衣物蒸汽洗涤。
在产生蒸汽后，蒸汽会进入内筒，并将衣物沁润，随后驱动电机带动内筒以预设的转速以及转停比旋转，对衣物进行蒸汽洗涤。上述电机的转速设置可选为45rpm，转停比可选设置为10∶5，即电机转动一段时间后，会停止一定时间再开始转动，进而能够以理想的效果使衣物充分接受蒸汽的沁润同时又不至于使纤维受到破坏。
本实施例中，电机可以在加热外筒内的水产生蒸汽的同时旋转，即产生蒸汽后就控制电机带动内筒旋转，对衣物蒸汽洗涤；也可以是在停止加热后再控制器电机带动内筒旋转，即在产生的蒸汽达到要求后，再进行蒸汽洗涤。可选的采用前者。
实施例二：
本实施例在实施例一的基础上增加了主洗涤工序，可选的，参照图2，本实施例的一种利用蒸汽进行衣物洗涤的方法，包括：
在S200中，向外筒进水，在所述进水水位达到预设水位时，停止进水，其中，所述预设水位由外筒加热装置以及内筒底部的位置确定；
在S210中，加热外筒内的水，当加热到预设时间或预设温度时，停止加热；
在S220中，对衣物蒸汽洗涤。
在S230中，再次进水，并加热所述进水，对衣物进行主洗涤。
即在对衣物蒸汽洗涤完成后，开启进水阀继续向外筒内进水，直至进水充分浸湿衣物后，停止进水；然后对进水加热，对衣物进行加热洗涤，即上述的主洗涤过程。
本实施例中在主洗涤完成后，排水并进入漂洗过程；漂洗结束后，进行排水以及对衣物的甩干，最终完成对衣物的洗涤。
本实施例通过先进行蒸汽洗涤，使衣物充分舒展，并除味除臭杀菌，随后再进行主洗涤，能够减少主洗涤所消耗的水，并且减少主洗涤过程中的加热时间，达到节能的效果。
实施例三：
本实施例在实施例二的基础加以改进，新增预洗涤过程，可选的，参照图3，本实施例的一种利用蒸汽进行衣物洗涤的方法，包括：
在S300中，向外筒进水，在所述进水水位达到预设水位时，停止进水，其中，所述预设水位由外筒加热装置以及内筒底部的位置确定；
在S310中，加热外筒内的水，当加热到预设时间或预设温度时，停止加热；
在S320中，对衣物蒸汽洗涤。
在S330中，再次进水，对衣物进行预洗涤；
预洗涤是指在主洗涤之前进行的去除衣物上较脏污渍或较大颗粒的洗涤过程，在蒸汽洗涤结束后，选择预洗涤程序，此时控制进水阀再次开启，然后向外筒内进水，直至进水充分浸湿衣物后，停止进水，并开始衣物的预洗涤。
在S340中，预洗涤至预设洗涤时间后，停止预洗涤并排水；
由于预洗涤只是在衣物主洗涤之前对衣物上较脏污渍或较大颗粒进行去除，因此，将预洗涤的时间加以设定，即预设洗涤时间，本实施例中预设洗涤时间为15分钟，在达到上述预设洗涤时间后，停止预洗涤，并将洗涤后的水排出。
在S350中，再次进水，并加热所述进水，对衣物进行主洗涤。
本实施例在对衣物蒸汽洗涤之后，主洗涤之前，新增了预洗涤过程，在选择预洗涤的功能情况下，程序可先进行蒸汽洗涤功能，这样可以使预洗涤更多且更容易的取出衣物上含有的脏污和颗粒。
如图4所示本实施例还提供一种洗衣机，包括：内筒41、外筒42、外筒加热装置43、进水阀44、驱动电机45以及控制器46；其中，
外筒42设置为接收进水阀44开启后向外筒42注入的水，以产生蒸汽；
所述控制器46设置为：在所述进水水位达到预设水位时，控制停止进水，其中，所述预设水位由外筒加热装置43以及内筒41底部的位置确定；
外筒加热装置43设置为加热外筒42内的水；
所述控制器46还设置为：当加热到预设时间或预设温度时，控制所述外筒加热装置43停止加热；以及
控制所述驱动电机45带动内筒41对衣物蒸汽洗涤。
可选的，所述预设水位由外筒加热装置43以及内筒41底部的位置确定包括：
所述预设水位置于外筒42和内筒41底部之间，且浸没外筒加热装置43。
可选的，所述进水阀44为电磁阀。
可选的，所述外筒加热装置43为加热管。
可选的，所述洗衣机，还包括：设置在所述外筒42底部的水温传感器。
可选的，所述洗衣机，还包括：设置在所述进水阀44处的液体流量计。可选的，外筒加热装置43设置在进水阀44和外筒42之间，可选的设置在进水管道上，也可以设置在进水口上。
本公开的上述实施例仅仅是为了清楚说明本公开所作的举例，而并非是对本公开的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。
工业实用性
本公开提供一种利用蒸汽进行衣物洗涤的方法及洗衣机，在衣物预洗涤或主洗涤之前，通过向外筒进水并加热该部分水，产生足量的蒸汽对衣物洗涤，使衣物充分舒展，并除味除臭杀菌，而且通过蒸汽洗涤，可以减少衣物预洗涤或主洗涤所消耗的水，并且减少主洗涤过程中的加热时间，达到节能的效果。

Claims (15)

  1. 一种利用蒸汽进行衣物洗涤的方法，包括：
    向外筒进水，在所述进水水位达到预设水位时，停止进水，其中，所述预设水位由外筒加热装置以及内筒底部的位置确定；
    加热外筒内的水，当加热到预设时间或预设温度时，停止加热；以及
    对衣物蒸汽洗涤。
  2. 根据权利要求1所述的方法，其中，所述向外筒进水，在所述进水水位达到预设水位时，停止进水包括：
    通过预设水位以及测量的进水流量确定预设进水时间，在进水时间达到预设进水时间时，停止进水。
  3. 根据权利要求1所述的方法，其中，所述向外筒进水，在所述进水水位达到预设水位时，停止进水包括：
    通过预设水位确定预设进水总流量，在进水总流量达到预设进水总流量时，停止进水。
  4. 根据权利要求1所述的方法，其中，所述向外筒进水，在所述进水水位达到预设水位时，停止进水包括：
    通过水位开关反馈进水水位是否达到预设水位，并在进水水位达到预设水位时，停止进水。
  5. 根据权利要求1所述的方法，其中，所述预设水位由外筒加热装置以及内筒底部的位置确定包括：
    所述预设水位置于外筒和内筒底部之间，且浸没外筒加热装置。
  6. 根据权利要求1-5任一所述的方法，其中，所述对衣物蒸汽洗涤包括：
    驱动电机带动内筒以预设的转速以及转停比旋转。
  7. 根据权利要求6所述的方法，其中，所述驱动电机带动内筒以预设的转速以及转停比旋转与所述加热外筒内的水同时进行。
  8. 根据权利要求7所述的方法，在所述对衣物蒸汽洗涤之后，还包括：
    再次进水，对衣物进行预洗涤；
    预洗涤至预设洗涤时间后，停止预洗涤并排水。
  9. 根据权利要求1或8所述的方法，在对衣物蒸汽洗涤之后或在所述停止预洗涤并排水后还包括：
    再次进水，并加热所述进水，对衣物进行主洗涤。
  10. 一种洗衣机，包括：内筒、外筒、外筒加热装置、进水阀、驱动电机以及控制器；其中，
    外筒设置为接收进水阀开启后向外筒注入的水，以产生蒸汽；
    所述控制器设置为：在所述进水水位达到预设水位时，控制停止进水，其中，所述预设水位由外筒加热装置以及内筒底部的位置确定；
    外筒加热装置设置为加热外筒内的水；
    所述控制器还设置为：当加热到预设时间或预设温度时，控制所述外筒加热装置停止加热；以及
    控制所述驱动电机带动内筒对衣物蒸汽洗涤。
  11. 根据权利要求10所述的洗衣机，其中，所述预设水位由外筒加热装置以及内筒底部的位置确定包括：
    所述预设水位置于外筒和内筒底部之间，且浸没外筒加热装置。
  12. 根据权利要求11所述的洗衣机，所述进水阀为电磁阀。
  13. 根据权利要求11所述的洗衣机，所述外筒加热装置为加热管。
  14. 根据权利要求11所述的洗衣机，还包括：设置在所述外筒底部的水温传感器。
  15. 根据权利要求10或12所述的洗衣机，还包括：设置在所述进水阀处的液体流量计。
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