WO2018121390A1 - 一种滚筒洗衣机及其开门控制方法 - Google Patents

一种滚筒洗衣机及其开门控制方法 Download PDF

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Publication number
WO2018121390A1
WO2018121390A1 PCT/CN2017/117628 CN2017117628W WO2018121390A1 WO 2018121390 A1 WO2018121390 A1 WO 2018121390A1 CN 2017117628 W CN2017117628 W CN 2017117628W WO 2018121390 A1 WO2018121390 A1 WO 2018121390A1
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Prior art keywords
door
outer door
door lock
opening
washing machine
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PCT/CN2017/117628
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English (en)
French (fr)
Inventor
许升
吕艳芬
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青岛海尔滚筒洗衣机有限公司
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Publication of WO2018121390A1 publication Critical patent/WO2018121390A1/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 
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • 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 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor
    • 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
    • D06F2103/16—Washing liquid temperature
    • 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
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2105/44—Opening, closing or locking of doors

Definitions

  • the invention belongs to the field of household appliances, and in particular to a drum washing machine and a door opening control method thereof.
  • the current drum washing machine will lock the door lock after the washing program is started.
  • the user finds that the laundry is missing or needs to add the detergent again, it will stop by the start pause button. If it is detected that the water level is lower than the preset water level, the temperature is lower than the safe temperature, and the speed is lower than the preset speed, the door opening command will be executed. Sometimes, these conditions are not satisfied, and the user is required to discharge the washing water. Part of it, or waiting for the speed and water temperature to be below the specified value, will waste water and user time, and the user experience is poor. In order to solve this problem, each manufacturer realizes the purpose of opening the door in the middle by setting a small door on the original door body or by draining in the middle.
  • Patent No. CN201510172929.7 by providing an auxiliary door, the auxiliary door is freely opened and closed independently of the door during the washing cycle.
  • Patent No. CN201510290335.6 by providing a sub-door on the female door of the washing machine, and adding the mid-way through the sub-door, the female door can be pivotally connected to the body through a pivot shaft to open or close the opening.
  • the sub-door is detachably disposed on the female door body to open or close another portion of the opening.
  • 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 drum washing machine and a door opening control method thereof, which can complete the operation of opening the door of the drum washing machine by controlling the state of the inner and outer doors and the door lock.
  • a first aspect of the present invention provides a drum washing machine door opening control method comprising the following steps:
  • step S1 after receiving the door opening command, determining whether the inner door lock is locked, if yes, proceeding to step S2, otherwise opening the outer door lock, allowing the outer door to be opened;
  • the step S2 specifically includes:
  • step S21 determining whether the water temperature detected by the temperature sensor is less than a preset temperature, if yes, proceeding to step S22, otherwise locking the outer door lock;
  • the inlet valve opens the water inlet, and then re-determines whether the water temperature detected by the temperature sensor is less than the preset temperature.
  • the method further comprises:
  • step S22 when the rotation speed detected by the rotation speed detecting device is greater than or equal to the preset rotation speed:
  • a second aspect of the present invention provides a drum washing machine using the door opening control method of the first aspect described above,
  • the utility model comprises a controller, an inner cylinder and a door body, wherein the door body is hinged to the cabinet of the washing machine, and the door body has an inner and outer double-layer structure, including an inner door and an outer door, and the controller detects the inner door after receiving the door opening command.
  • the door lock is locked, it is determined that the water temperature and the rotation speed of the inner cylinder satisfy the preset opening condition, and the outer door lock is opened; when the inner door lock is not locked, the outer door lock is opened.
  • the inner side of the inner door is hinged to the washing machine cabinet for partially opening/closing the front opening of the box body, the upper part of the inner door is provided with a notch, and the inner side of the outer door is hinged with the inner door for opening/closing
  • the notch on the inner door cooperates with the inner door and the outer door to open/close the front opening of the case.
  • the outer door lock and the inner door lock are clockwise or counterclockwise 0-180°;
  • the outer door lock is 180° or 90° counterclockwise or on the same side as the inner door lock.
  • the lower part of the inner door is provided with an inner door glazing
  • the upper part is provided with a notch
  • the outer part of the outer door is provided with an outer door glazing for opening/closing the notch of the upper part of the inner door, the inner door glazing and the outer door glazing Fit to form an observation window.
  • a sealing structure is provided between the inner door glazing and the outer door glazing.
  • the present invention has the following advantageous effects compared with the prior art.
  • the outer door can be opened at will. If the inner door is not locked, the outer door lock can be unlocked only if the water temperature and the rotational speed satisfy the opening condition at the same time, otherwise the outer door lock will remain locked. It is forbidden to open the outer door for the user to add clothes in the middle.
  • the user may choose to add water to the washing machine to cool down according to his own needs, or may choose to stand still for cooling, until the water temperature meets the opening condition, so that the operation of adding water can speed up the process of cooling and reduce The user's waiting time, which in turn improves the user experience.
  • FIG. 1 is a flow chart showing a method of controlling a door opening of a drum washing machine according to an embodiment of the present invention
  • step S2 of the present invention is a specific development flowchart of step S2 of the present invention.
  • Figure 3 is a schematic view showing the structure of a drum washing machine of the present invention.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • an embodiment of the present invention provides a method for controlling a door opener of a drum washing machine, comprising the following steps:
  • step S1 after receiving the door opening command, determining whether the inner door lock is locked, if yes, proceeding to step S2, otherwise opening the outer door lock, allowing the outer door to be opened;
  • the door body of the drum washing machine has an inner and outer double-layer structure, including an inner door and an outer door, and the inner door and the outer door are respectively provided with a door lock, and the outer door is disposed on the inner door, and the inner door is locked
  • the outer door can be opened at will.
  • the inner door lock is locked, further judgment is needed. Only when the drum washing machine can meet the preset door opening condition, the outer door lock can be opened, if the preset door is not satisfied. Under the condition, the outer door lock will be locked. At this time, the user cannot open the outer door to open the door to add clothes.
  • the washing machine has not started to work.
  • the inner door lock is not locked, the outer door can be opened at will, and the user wants to add clothes, and can choose to open the inner door to add a new laundry. You can also choose to open the outer door and add clothing from the gap in the inner door.
  • the user wants to add a new laundry during the working process of the washing machine, and triggers a button to be added midway.
  • the inner door is in a locked state, at which time the controller obtains the water temperature detected by the temperature sensor and the inner cylinder speed detected by the rotation speed detecting device in real time (at this time, the preset temperature is 30 ° C, the predetermined rotation speed is 0 r / s), when The water temperature is 29 ° C, the rotation speed is 0r / s, meet the door opening condition, unlock the outer door lock, the user can open the outer door and add new laundry to the washing machine from the gap of the inner door.
  • the washing machine utilizes the cooperation of the inner door and the outer door to complete the operation of adding the clothes in the middle of the user.
  • the step S2 specifically includes:
  • step S21 determining whether the water temperature detected by the temperature sensor is less than a preset temperature, if yes, proceeding to step S22, otherwise locking the outer door lock;
  • the controller when the controller detects that the inner door lock is in the locked state, firstly, the water temperature detected by the temperature sensor is acquired, and when the water temperature is less than the preset temperature, the rotational speed detected by the rotational speed detecting device is obtained, if the rotational speed If it is less than the preset speed, it proves that the washing machine meets the opening condition at this time. Then, the controller sends an open command to the outer door lock, and the outer door lock is opened, and the user can open the outer door to add a new laundry.
  • the water temperature is greater than or equal to the preset temperature, it is proved that the water temperature does not meet the opening condition, and the outer door lock needs to be locked so that the user cannot open the outer door.
  • the water temperature is less than the preset temperature, but the rotation speed is greater than or equal to the preset speed (ie, the rotation speed is not satisfied).
  • the door opening condition also locks the outer door lock so that the user cannot open the outer door.
  • the outer door lock can be unlocked, otherwise the outer door lock will remain locked, and the user is prohibited from opening the outer door to add clothes in the middle. operating.
  • the inlet valve opens the water inlet, and then re-determines whether the water temperature detected by the temperature sensor is less than the preset temperature.
  • the user may select to perform an accelerated cooling, so that the inlet valve will open to add cold water to the washing machine to lower the water temperature of the washing machine, and after adding a predetermined amount of water to the washing machine. Re-determine whether the current water temperature meets the conditions for opening the door. If it is not satisfied, continue to add water to the washing machine until the water temperature drops below the preset temperature.
  • the washing machine will re-determine whether the current water temperature is there. Satisfy the opening condition, if it is not satisfied, continue to wait until the water temperature drops below the preset temperature to meet the water temperature opening condition.
  • the user may select to add water to the washing machine to cool down according to his own needs, or may choose to stand still to cool down until the water temperature meets the opening condition.
  • step S22 when the rotation speed detected by the rotation speed detecting device is greater than or equal to the preset rotation speed:
  • the inner cylinder rotation speed detected by the rotation speed detecting device is acquired, and if the rotation speed is too large, the rotation speed of the second predetermined time (for example, 10 s) is decreased after the motor stops rotating. Then, it is detected again whether the current rotation speed is lower than the preset rotation speed. If the rotation speed is still high, it continues to wait for the second predetermined time, and the cycle is continued until the rotation speed can satisfy the door opening condition (less than the predetermined rotation speed).
  • the second predetermined time for example, 10 s
  • the present invention provides a drum washing machine using the door opening control method of the above embodiment, including a controller, an inner cylinder 1 and a door body 2, and the door body 2 side is hinged to the cabinet of the washing machine, and the door body 2 is an inner and outer double-layer structure, including an inner door 21 and an outer door 22.
  • the controller determines that the water temperature and the rotational speed of the inner cylinder 1 satisfy the preset opening condition after detecting the inner door lock locking. Open the outer door lock; open the outer door lock when it detects that the inner door lock is not locked.
  • the door body 2 of the drum washing machine has an inner and outer double-layer structure, including an inner door 21 and an outer door 22, and the inner door 21 and the outer door 22 are respectively provided with a door lock, and the outer door 22 is disposed on the inner door 21.
  • the inner door lock is not locked, the outer door 22 can be opened at will. If the inner door 21 is not locked, only the water temperature is moderate.
  • the outer door lock can be unlocked, otherwise the outer door lock will always be in the locked state, and the user is prohibited from opening the outer door 22 to perform the middle adding operation.
  • the inner side of the inner door 21 is hinged to the washing machine case for partially opening/closing the front opening of the box body, the upper part of the inner door 21 is provided with a notch, and the inner side of the outer door 22 is hinged with the inner door 21 for use.
  • the inner door 21 and the outer door 22 cooperate to completely open/close the front opening of the case.
  • the opening of the front part of the washing machine is all opened.
  • the outer door 22 is opened, the inner door 21 is connected to the washing machine, and the opening of the upper part of the inner door 21 is opened, and the user can open the inner door 21 to the washing machine. If the user wants to add clothes or detergent to the washing machine during the washing process, the water inside the washing machine is not discharged and then the door is added. Simply open the outer door 22 and pass the opening of the upper part of the inner door 21 to the washing machine. Add clothing or detergent inside. Moreover, the connection between the inner door 21 and the outer door 22 is reliable, and the entire door body 2 is seen from the outside, which gives the user a good overall feeling.
  • the outer door lock and the inner door lock are clockwise or counterclockwise 0-180°, and the outer door lock can be disposed at any position around the inner door 21, and the outer door lock is preferably locked for the user to open.
  • the door lock is 180° or 90° counterclockwise or on the same side.
  • the lower part of the inner door 21 is provided with a glass window of the inner door 21, the upper part is provided with a notch, and the upper part of the outer door 22 is provided with a glass window of the outer door 22 for opening/closing the notch of the upper part of the inner door 21, and the inner door 21 glass
  • the window and the outer door 22 glazing cooperate to form an observation window; preferably, a sealing structure is provided between the inner door 21 glazing and the outer door 22 glazing.
  • the user can directly observe the entire washing process of the washing machine through the glass window of the inner door 21 and the glass window of the outer door 22, and in addition, in order to enhance the sealing property of the outer door 22 of the washing machine, water is prevented from seeping out from the outer door 22.
  • a sealing structure is required between the inner door 21 glass window and the outer door 22 glass window.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

一种滚筒洗衣机及其开门控制方法，该开门控制方法包括如下步骤：S1，接收到开门命令后，判断内门门锁是否锁定，是则进入步骤S2，否则开启外门门锁，允许打开外门(22)；S2，判断是否满足预设开门条件，是则开启外门门锁，允许打开外门(22)，否则将外门门锁锁定。当内门门锁没有锁定时，外门(22)可以随意打开，如果内门(21)锁定时，只有水温和转速同时满足开门条件，才能将外门门锁解锁，否则外门门锁就会一直处于锁定状态，禁止用户打开外门(22)进行中途添衣操作。

Description

一种滚筒洗衣机及其开门控制方法 技术领域
本发明属于家电领域，具体地说，涉及一种滚筒洗衣机及其开门控制方法。
背景技术
现在的滚筒洗衣机为了保证洗衣过程中的安全，在洗涤程序启动后，会将门锁进行锁定，在用户发现待洗衣物有遗漏或者需要再次添加洗涤剂时，会通过启动暂停键将其停止，此时若检测到水位低于预设水位，温度低于安全温度以下，转速低于预设转速，才会执行开门指令，往往有时候，这些条件均不满足，此时就需要用户将洗涤水排出一部分，或者等待转速和水温将到规定值以下，这样会浪费水资源和用户的时间，用户体验较差。为解决这个问题，各厂家通过在原有门体上设置小门或者通过中途排水的方式实现中途开门的目的。
申请号为CN201510172929.7的专利，通过设置辅助门，在洗涤周期期间所述辅助门独立于所述门而自由地打开和关闭。
申请号为CN201510290335.6的专利，通过在洗衣机母门上设置子门，通过子门实现中途添衣，母门可以通过枢转轴可枢转地连接在所述机体上以打开或关闭所述开口的一部分，子门可拆卸的设在母门机体上以打开或关闭所述开口的另一部分。
因此，需要一种新的技术方案，能够通过控制内、外门及门锁的状态，来完成滚筒洗衣机开门的操作。
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，提供一种滚筒洗衣机及其开门控制方法，能够通过控制内、外门及门锁的状态，来完成滚筒洗衣机开门的操作。
为解决上述技术问题，本发明采用技术方案的基本构思是：
本发明的第一方面提出了一种滚筒洗衣机开门控制方法，包括如下步骤：
S1，接收到开门命令后，判断内门门锁是否锁定，是则进入步骤S2，否则开启外门门锁，允许打开外门；
S2，判断是否满足预设开门条件，是则开启外门门锁，允许打开外门，否则将外门门锁锁定。
优选地，所述步骤S2具体包括：
S21，判断温度传感器检测的水温是否小于预设温度，是则进入步骤S22，否则将外门门锁锁定；
S22，判断转速检测装置检测的转速是否小于预设转速，是则开启外门门锁，允许打开外门，否则将外门门锁锁定。
优选地，所述步骤S21中，当温度传感器检测的水温大于等于预设温度时：
S2a1，接收到允许加速降温命令后，进水阀开启进水，然后重新判断温度传感器检测的水温是否小于预设温度。
优选地，还包括：
S2a2，接收到等待降温命令后，等待第一预定时间，然后重新判断温度传感器检测的水温是否低于预设温度。
优选地，所述步骤S22中，当转速检测装置检测的转速大于等于预设转速时：
S2b1，等待第二预定时间，然后重新判断转速检测装置检测的转速是否小于预设转速。
本发明的第二方面提出了一种滚筒洗衣机，使用上述第一方面所述的开门控制方法，
包括控制器、内筒和门体，门体一侧与洗衣机的箱体铰接，门体为内外双层结构，包括内门、外门，控制器在接收到开门命令后，在检测到内门门锁锁定时，确定内筒的水温和转速均满足预设开门条件后，开启外门门锁；在检测到内门门锁未锁定时，开启外门门锁。
优选地，内门的内侧与洗衣机箱体铰接，用以部分的打开/关闭所述箱体的前部开口，内门上部设有缺口，外门的内侧与内门铰接，用以打开/关闭所述内门上的缺口，所述内门和外门配合用以全部的打开/关闭所述箱体的前部开口。
优选地，所述外门门锁与内门门锁呈顺时针或逆时针0-180°；
优选地，所述外门门锁与内门门锁呈180°或呈逆时针90°或在同侧。
优选地，所述内门下部设有内门玻璃窗，上部设有缺口，外门上部设有外门玻璃窗，用于打开/关闭内门上部的缺口，内门玻璃窗和外门玻璃窗配合形成观察窗。
优选地，内门玻璃窗与外门玻璃窗之间设有密封结构。
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。
当内门门锁没有锁定时，外门可以随意打开，如果内门没有锁定时，只有水温和转速同时满足开门条件，才能将外门门锁解锁，否则外门门锁就会一直处于锁定状态，禁止用户打开外门进行中途添衣操作。
当检测到洗衣机的水温过高，用户可以根据自己的需要选择向洗衣机内加水进行降温，也可以选择静置进行降温，直至水温满足开门条件，这样通过加水的操作能够加快降温的过程，减小用户的等待时间，进而提升用户体验。
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是本发明的实施例的滚筒洗衣机开门控制方法的流程图；
图2是本发明的步骤S2的具体展开流程图；
图3是本发明的滚筒洗衣机的结构示意图。
图中：1内筒；2门体；21内门；22外门。
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。
在本发明的描述中，需要说明的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“内”、“外”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，仅是为了便于描述本发明和简化描述，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发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
实施例一
如图1所示，本发明的实施例提出了一种滚筒洗衣机开门控制方法，包括如下步骤：
S1，接收到开门命令后，判断内门门锁是否锁定，是则进入步骤S2，否则开启外门门锁，允许打开外门；
S2，判断是否满足预设开门条件，是则开启外门门锁，允许打开外门，否则将外门门锁锁定。
在上述技术方案中，该滚筒洗衣机的门体为内外双层结构，包括内门和外门，内门和外门上均设有门锁，外门设置在内门上，当内门门锁没有锁定时，外门可以随意打开，当内门门锁锁定时，需要进行进一步的判断，只有在滚筒洗衣机能够满足预设开门条件后，才能将外门门锁打开，如果不能满足预设开门条件，就会将外门门锁锁定，此时，用户就不能打开外门进行中途开门添衣的操作。
例如，用户在将衣物投入洗衣机后，洗衣机还未开始工作，此时内门门锁还未锁定，外门可以随意打开，用户想要再添加衣物，可以选择打开内门添加新的待洗衣物，也可以选择打开外门，从内门的缺口处添加衣物。
又如，用户想要在洗衣机工作过程中添加新的待洗衣物，触发中途添加按键 之后，内门处于锁定状态，此时控制器实时获取温度传感器检测的水温以及转速检测装置检测的内筒转速(此时，预设温度为30℃，预定转速为0r/s)，当此时的水温为29℃、转速为0r/s，满足开门条件，解除外门门锁锁定，用户就可以打开外门，将新的待洗衣物从内门的缺口处添加至洗衣机中。
通过上述技术方案，洗衣机利用内门与外门的配合，来完成用户中途添衣的操作。
如图2所示，所述步骤S2具体包括：
S21，判断温度传感器检测的水温是否小于预设温度，是则进入步骤S22，否则将外门门锁锁定；
S22，判断转速检测装置检测的转速是否小于预设转速，是则开启外门门锁，允许打开外门，否则将外门门锁锁定。
在上述技术方案中，当控制器检测到内门门锁处于锁定状态时，首先，获取温度传感器检测的水温，当该水温小于预设温度时，就会获取转速检测装置检测的转速，如果转速小于预设转速，则证明洗衣机此时满足开门条件，然后，控制器向外门门锁发送开启命令，则外门门锁开启，用户就可以打开外门添加新的待洗衣物了。
如果水温大于等于预设温度，证明水温不满足开门条件，需要将外门门锁锁定，使用户不能打开外门，另外，水温小于预设温度，但是转速大于等于预设转速(即转速不满足开门条件)，同样将外门门锁锁定，使用户不能打开外门。
通过上述技术方案，如果内门没有锁定时，只有水温和转速同时满足开门条件，才能将外门门锁解锁，否则外门门锁就会一直处于锁定状态，禁止用户打开外门进行中途添衣操作。
优选地，所述步骤S21中，当温度传感器检测的水温大于等于预设温度时：
S2a1，接收到允许加速降温命令后，进水阀开启进水，然后重新判断温度传感器检测的水温是否小于预设温度。
S2a2，接收到等待降温命令后，等待第一预定时间，然后重新判断温度传感器检测的水温是否低于预设温度。
在上述技术方案中，如果温度传感器检测的水温大于等于预设温度，用户可以选择进行加速降温，这样进水阀就会开启向洗衣机中加入凉水进而降低洗衣机的水温，向洗衣机加入预定量水之后，重新判断当前的水温有没有满足开门条件，如果不满足继续向洗衣机内加水，直到水温降低到预设温度以下。
也可以选择进行等待降温，即，洗衣机电机和加热装置均停止工作后，进行静置等待洗衣机的水温降低，在等待第一预定时间(例如30s)之后，洗衣机就会重新判断当前的水温有没有满足开门条件，如果不满足继续等待，直到水温降低到预设温度以下满足水温的开门条件为止。
通过上述技术方案，当检测到洗衣机的水温过高，用户可以根据自己的需要选择向洗衣机内加水进行降温，也可以选择静置进行降温，直至水温满足开门条件。
优选地，所述步骤S22中，当转速检测装置检测的转速大于等于预设转速时：
S2b1，等待第二预定时间，然后重新判断转速检测装置检测的转速是否小于预设转速。
在上述技术方案中，当水温满足开门条件后，就会获取转速检测装置检测的内筒转速，如果转速过大，就会在电机停止转动后，等待第二预定时间(例如10s)转速降低，然后再次检测当前转速是否低于预设转速，如果转速还是较高，则继续等待第二预定时间，以此循环，直至转速能够满足开门条件(小于预定转速)为止。
实施例二
如图3所示，本发明提出了一种滚筒洗衣机，使用上述实施例的开门控制方法，包括控制器、内筒1和门体2，门体2一侧与洗衣机的箱体铰接，门体2为内外双层结构，包括内门21、外门22，控制器在接收到开门命令后，在检测到内门门锁锁定时，确定内筒1的水温和转速均满足预设开门条件后，开启外门门锁；在检测到内门门锁未锁定时，开启外门门锁。
在上述技术方案中，滚筒洗衣机的门体2为内外双层结构，包括内门21和外门22，内门21和外门22上均设有门锁，外门22设置在内门21上，当内门门锁没有锁定时，外门22可以随意打开，如果内门21没有锁定时，只有水温和 转速同时满足开门条件，才能将外门门锁解锁，否则外门门锁就会一直处于锁定状态，禁止用户打开外门22进行中途添衣操作。
优选地，内门21的内侧与洗衣机箱体铰接，用以部分的打开/关闭所述箱体的前部开口，内门21上部设有缺口，外门22的内侧与内门21铰接，用以打开/关闭所述内门21上的缺口，所述内门21和外门22配合用以全部的打开/关闭所述箱体的前部开口。
在上述技术方案中，打开内门21时洗衣机前部的开口全部被打开，打开外门22时，内门21与洗衣机连接，内门21上部的开口打开，平时用户可以打开内门21向洗衣机内取放衣物，洗衣过程中如果用户想向洗衣机内添加衣物或者洗涤剂时，不用将洗衣机内部的水全部排出后再开门添加，只需打开外门22，通过内门21上部的开口向洗衣机内添加衣物或者洗涤剂。且内门21、外门22之间连接可靠，从外面看还是一个整体的门体2，给用户的整体感觉较好。
所述外门门锁与内门门锁呈顺时针或逆时针0-180°，外门门锁可以设置在内门21四周的任意位置，为了便于用户打开最好将外门门锁与内门门锁呈180°或呈逆时针90°或在同侧。
优选地，所述内门21下部设有内门21玻璃窗，上部设有缺口，外门22上部设有外门22玻璃窗，用于打开/关闭内门21上部的缺口，内门21玻璃窗和外门22玻璃窗配合形成观察窗；优选地，内门21玻璃窗与外门22玻璃窗之间设有密封结构。
在上述技术方案中，用户可以透过内门21玻璃窗和外门22玻璃窗直接观察洗衣机的整个洗涤过程，另外，为了增强洗衣机外门22的密封性，防止水从外门22渗出，需要在内门21玻璃窗和外门22玻璃窗之间设置密封结构。
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. 一种滚筒洗衣机开门控制方法，其特征在于，包括如下步骤：
    S1，接收到开门命令后，判断内门门锁是否锁定，是则进入步骤S2，否则开启外门门锁，允许打开外门；
    S2，判断是否满足预设开门条件，是则开启外门门锁，允许打开外门，否则将外门门锁锁定。
  2. 根据权利要求2所述的开门控制方法，其特征在于，所述步骤S2具体包括：
    S21，判断温度传感器检测的水温是否小于预设温度，是则进入步骤S22，否则将外门门锁锁定；
    S22，判断转速检测装置检测的转速是否小于预设转速，是则开启外门门锁，允许打开外门，否则将外门门锁锁定。
  3. 根据权利要求2所述的开门控制方法，其特征在于，所述步骤S21中，当温度传感器检测的水温大于等于预设温度时：
    S2a1，接收到允许加速降温命令后，进水阀开启进水，然后重新判断温度传感器检测的水温是否小于预设温度。
  4. 根据权利要求3所述的开门控制方法，其特征在于，还包括：
    S2a2，接收到等待降温命令后，等待第一预定时间，然后重新判断温度传感器检测的水温是否低于预设温度。
  5. 根据权利要求2所述的开门控制方法，其特征在于，所述步骤S22中，当转速检测装置检测的转速大于等于预设转速时：
    S2b1，等待第二预定时间，然后重新判断转速检测装置检测的转速是否小于预设转速。
  6. 一种滚筒洗衣机，使用上述权利要求1-5任一项所述的开门控制方法，包括控制器、内筒和门体，门体一侧与洗衣机的箱体铰接，门体为内外双层结构，包括内门、外门，其特征在于，
    控制器在接收到开门命令后，在检测到内门门锁锁定时，确定内筒的水温和转速均满足预设开门条件后，开启外门门锁；在检测到内门门锁未锁定时，开启 外门门锁。
  7. 根据权利要求6所述的滚筒洗衣机，其特征在于，内门的内侧与洗衣机箱体铰接，用以部分的打开/关闭所述箱体的前部开口，内门上部设有缺口，外门的内侧与内门铰接，用以打开/关闭所述内门上的缺口，所述内门和外门配合用以全部的打开/关闭所述箱体的前部开口。
  8. 根据权利要求7所述的滚筒洗衣机，其特征在于，所述外门门锁与内门门锁呈顺时针或逆时针0-180°；
    优选地，所述外门门锁与内门门锁呈180°或呈逆时针90°或在同侧。
  9. 根据权利要求6-8任一项所述的滚筒洗衣机，其特征在于，所述内门下部设有内门玻璃窗，上部设有缺口，外门上部设有外门玻璃窗，用于打开/关闭内门上部的缺口，内门玻璃窗和外门玻璃窗配合形成观察窗。
  10. 根据权利要求9所述的滚筒洗衣机，其特征在于，所述内门玻璃窗与外门玻璃窗之间设有密封结构。
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