WO2022089112A1 - 一种洗衣机的进水控制方法及洗衣机 - Google Patents

一种洗衣机的进水控制方法及洗衣机 Download PDF

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Publication number
WO2022089112A1
WO2022089112A1 PCT/CN2021/120696 CN2021120696W WO2022089112A1 WO 2022089112 A1 WO2022089112 A1 WO 2022089112A1 CN 2021120696 W CN2021120696 W CN 2021120696W WO 2022089112 A1 WO2022089112 A1 WO 2022089112A1
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Prior art keywords
washing machine
water
inner tub
working
control method
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PCT/CN2021/120696
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English (en)
French (fr)
Inventor
赵志强
许升
吕佩师
于明亮
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Qingdao Haier Drum Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Drum Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Publication of WO2022089112A1 publication Critical patent/WO2022089112A1/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
    • D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
    • 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
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • 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
    • D06F2103/14—Supply, recirculation or draining of 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/02—Water supply
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user

Definitions

  • the invention belongs to the technical field of clothing treatment equipment, and in particular relates to a water inlet control method of a washing machine and a washing machine.
  • Washing machine is one of the most commonly used household appliances in people's daily life. The use of washing machines brings convenience to people's lives.
  • the outer drum holds water
  • the inner drum rotates for washing
  • the inner drum wall is provided with holes for feeding washing water into the inner drum or for dehydrating the clothes in the inner drum.
  • the flow between the inner and outer cylinders will lead to the accumulation of dirt and scale between the inner and outer cylinders, causing a large number of bacteria to multiply, causing secondary pollution to the clothes, and seriously threatening the health of consumers.
  • the filling of the water between the two causes the waste of useless water, therefore, people design the non-porous inner drum washing machine.
  • the non-porous inner tub washing machine no longer has water in the outer tub, and the inner tub is a rotating drum
  • the existing method of detecting the water intake of the inner tub by using the outer tub air chamber and the water level sensor does not work in the non-porous inner tub. Cannot be used in a drum washing machine.
  • the Chinese patent with the application number of CN201811237071.8 discloses a drum washing machine and a control method thereof.
  • the drum washing machine includes an inner drum and a water inlet pipeline, and the inner drum is a non-porous inner drum. It includes a water measuring device for measuring the water intake, the water intake pipeline is connected with the water measuring device, and the water measuring device is communicated with the inner cylinder.
  • the water measuring device includes a water level detecting device for detecting the water measuring tank.
  • the water level detection device is a liquid level sensor, the liquid level sensor includes an air chamber and a sensor unit, and the air chamber is communicated with the water volume tank; Multiple water level detection probes arranged in the depth direction.
  • the drum washing machine disclosed in the above application is provided with a water measuring device, and before the water is fed into the inner drum, it enters the water measuring device and is quantitatively measured by the water level detection device, and then the water intake of the washing machine is controlled, and an additional water measuring device is required.
  • the structure of the washing machine and the water level detection device make the structure of the washing machine more complicated, the cost is higher, and the control method is cumbersome and difficult to implement.
  • the present invention has been made in view of this.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a water inflow control method which is simpler and lower in cost, and can obtain the water inflow of the washing machine without passing through the water amount detection device.
  • a water inlet control method for a washing machine wherein the washing machine includes an inner tub that can independently hold washing water when washing clothes, and the control method includes the following steps:
  • the inner tub is controlled to rotate, and the second working parameter of the washing machine motor when the inner tub is rotated to the set working condition is obtained, and calculated according to the second working parameter.
  • the weight M 1 of the laundry in the inner tub is controlled to rotate, and the second working parameter of the washing machine motor when the inner tub is rotated to the set working condition is obtained, and calculated according to the second working parameter.
  • first working parameter/second working parameter is the first working current/second working current of the washing machine motor; or, the first working parameter/second working parameter is the first working power/second working current of the washing machine motor working power.
  • the set working conditions include n different set working conditions, and the values of the first working parameters corresponding to the washing machine motor when the inner tub is rotated to different set working conditions are obtained;
  • the inner cylinder is controlled to be accelerated step by step to the set rotational speed N 0 .
  • the value of the preset water intake amount M 0 is determined according to a data table stored in the washing machine server; or, according to the obtained weight M 1 of the clothes in the inner tub, the theoretical water intake amount of the washing machine is calculated as the preset water intake amount. M 0 .
  • the actual water inflow amount M of the inner cylinder is detected and calculated at a certain preset time interval; Calculate the actual water intake M of the inner cylinder;
  • the actual water intake M of the inner tub is calculated and fed back to the control unit of the washing machine and displayed on the display screen of the washing machine.
  • the washing machine further includes a communication unit, which is connected to the intelligent terminal for communication, and feeds back the actual water intake M of the inner tub calculated each time to the intelligent terminal for display. Describe the intelligent terminal to remotely control the water inflow of the washing machine;
  • a prompt message is sent to the user through the smart terminal/local end, and if the user does not continue to enter the water within the set time command, stop the water supply.
  • Another object of the present invention is to provide a washing machine using any one of the above-mentioned methods for controlling water inflow of a washing machine.
  • the present invention has the following beneficial effects compared with the prior art.
  • the method for controlling the water inflow of a washing machine does not need to detect and obtain the water inflow amount of the washing machine through the water amount detection device, and can obtain the water inflow amount of the washing machine by acquiring the working parameters of the washing machine motor when the inner drum rotates to the set working condition, Further, the water inflow of the washing machine is controlled, the control method is simple, the cost is low, and the problem of difficulty in controlling the water inflow of the non-porous inner tub washing machine is effectively solved.
  • the water inlet control method of the washing machine obtaineds the weight of the clothes in the inner tub by obtaining the working parameters of the washing machine motor when the inner tub rotates to the set working condition before the washing machine does not enter the water, without setting the weight
  • the sensor is used to obtain the weight of the laundry, which simplifies the structure of the washing machine and further reduces the cost. At the same time, it also automatically matches and determines the optimal water intake according to the weight information of the clothes, which has a higher degree of automation and effectively improves the washing effect of the washing machine.
  • the average weight of the clothes and water in the inner tub is obtained by calculating the corresponding total weight of the clothes and the water through the corresponding first working parameter values of the washing machine motor under different working conditions. , taking the average value as the current actual water intake, the measurement results are more accurate and reasonable, and the accuracy of water volume control is improved.
  • Fig. 1 is the schematic flow chart of the first water inflow control method in the embodiment of the present invention.
  • Fig. 2 is the schematic flow chart of the second water inflow control method in the embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a washing machine in an embodiment of the present invention.
  • Inner cylinder 1. Inner cylinder; 2. Outer cylinder; 3. Centrifugal valve; 4. Upper panel; 5. Detergent adding box; 7. Sealed cabin; 8. Machine door; 9. Inner cylinder door; 10. Water inlet pipeline; 11 , water inlet valve; 12, foot; 13, motor; 14, inner cylindrical shaft; 15, hollow channel; 16, shell; 17, lifting rib.
  • the present embodiment provides a water inlet control method for a washing machine.
  • the washing machine includes an inner tub that can independently hold washing water when washing clothes, and the control method includes the following steps:
  • the water inflow amount of the washing machine can be obtained by acquiring the first working parameter of the washing machine motor when the inner drum rotates to the set working condition without detecting and obtaining the water inflow amount of the washing machine through the water amount detecting device.
  • the control method is simple, the cost is low, and the problem of difficulty in detecting the water inflow of the non-porous inner tub washing machine is effectively solved.
  • the weight of the clothes in the inner tub is obtained by obtaining the second working parameter of the washing machine motor when the inner tub rotates to the set working condition. There is no need to set the weight sensor to obtain the weight of the clothes, which simplifies the structure of the washing machine. , further reducing costs.
  • the method for controlling the water inflow of a washing machine provided in this embodiment can be applied to the water inflow control of the washing program, or can also be applied to the water inflow control of the rinsing program.
  • the first working parameter/second working parameter is the first working current/second working current of the washing machine motor; or, the first working parameter/second working parameter is the first working current/second working parameter of the washing machine motor Working power/second working power.
  • the total weight of the clothes and water in the inner tub can be calculated by using the detected working current or working power value of the motor of the washing machine when the working condition is set, combined with the theoretical formula M 2 , no additional weight detection device is required, the measurement method is simpler and the cost is lower.
  • the set working conditions include n different set working conditions, and the values of the first working parameters corresponding to the washing machine motor when the inner tub rotates to different set working conditions are obtained.
  • the average weight of the clothes and water in the inner tub is obtained by calculating the corresponding total weight of the clothes and water through the corresponding first working parameter values of the washing machine motor under different working conditions, and the average value is taken as the current value.
  • the actual water inflow, the measurement results are more accurate and reasonable, and the accuracy of water control is further improved.
  • the set working condition is when the rotational speed of the inner cylinder reaches the set value, but the set working condition is not limited to the set rotating speed.
  • the inner cylinder is controlled to increase the speed step by step to the set rotation speed N 0 , and the rotation speed of the inner cylinder is controlled to gradually increase to the set rotation speed, so that the shaking of the water in the inner cylinder will be relatively reduced,
  • the accuracy of the measurement results is improved, and it is avoided that the rotational inertia of the washing water is large due to the rapid acceleration of the inner cylinder, which affects the accuracy of the measurement.
  • the inner tub can be controlled to rotate to the set rotational speed N 0 , the current second working current/second working power of the washing machine motor can be detected, and the current second working current/second working power of the washing machine motor can be detected.
  • the second working current/second working power is calculated to obtain the weight M 1 of the laundry in the inner tub.
  • the control of water feeding into the inner tub is started.
  • the inner tub rotates to the set rotation speed N 0 again, the current first working current/first working power of the washing machine motor is detected, and according to the washing machine motor The current first working current/first working power is calculated to obtain the total weight M 2 of the clothes and water in the inner tub.
  • the set working conditions include two types, the first set working condition is to control the rotational speed of the inner cylinder to reach the set rotational speed N 0 , and the second set working condition is to control the rotational speed of the inner cylinder to reach the set rotational speed N 1 , the set rotational speed N 0 is smaller than the set rotational speed N 1 .
  • the water inflow M 2 is obtained by the method of the average value, which improves the accuracy of the measurement , reducing the measurement error.
  • the inner tub is controlled to suspend the time T 2 every time the water enters the water T 1 , and the water is fed into the inner tub in an intermittent water intake manner, where T 1 >T 2 , and the washing machine is controlled to detect the current water during the intermittent time of water intake.
  • the water inflow can not only ensure the normal water inflow of the washing machine, but also does not affect the detection of the water inflow.
  • the value of the preset water intake amount M 0 can be determined according to a data table stored in the washing machine server; or, in another preferred solution, calculated according to the obtained weight M 1 of the clothes in the inner tub
  • the theoretical water inflow of the washing machine is obtained as the preset water inflow M 0 .
  • the optimal preset water intake is automatically matched and determined according to the weight information of the clothes, the degree of automation is higher, and the washing effect of the washing machine is effectively improved.
  • the actual water inflow M of the inner cylinder is detected and calculated once at a certain preset time T3, and the preset T3 time can be based on the preset water inflow M 0 .
  • the value of the preset water inflow M0 is smaller, the preset T3 time of the interval can be shortened accordingly, and the larger the value of the preset water inflow M0 is, the preset T3 time of the interval can be correspondingly increased .
  • the actual water inflow amount M of the inner cylinder is detected and calculated at a certain preset T3 time interval, because in the initial stage of water inflow , it will not immediately reach or approach the preset water inflow M 0 , so the detection is started after the t1 time of the water inflow, which can save the trouble caused by unnecessary detection in the early stage, save energy and simplify the control steps.
  • the control is to detect and calculate the actual water intake M of the inner cylinder every preset time T 4 , where T 4 ⁇ T 3 .
  • the control interval detection duration T3 in the early stage of the water inflow is greater than the interval detection duration T4 in the later stage, which reduces the number of detections, saves the measurement cost and time cost, and at the same time, when the water inflow amount M reaches the second preset
  • the detection period is shortened, and the phenomenon that the water intake exceeds the preset water intake M 0 is avoided.
  • the actual water intake M of the inner tub is calculated and fed back to the control unit of the washing machine and displayed on the display screen of the washing machine.
  • the actual water inflow M is displayed on the display screen of the washing machine, it is convenient for the user to intuitively understand the current water inflow, and the user's use experience is better.
  • the washing machine further includes a communication unit, which is connected to the intelligent terminal for communication, and feeds back the actual water intake M of the inner tub calculated each time to the intelligent terminal for display.
  • the intelligent terminal remotely controls the water inflow of the washing machine.
  • a prompt message is sent to the user through the smart terminal/local end, and if the user does not continue to enter the water within the set time command, stop the water supply.
  • the intelligence of the washing machine is improved, and a prompt message is sent to the user when the water inflow M is about to reach the preset water inflow amount M 0 , and the user can choose whether to continue water inflow.
  • the required amount of washing water may be more than that of other materials of the same weight. Therefore, when the water intake M is about to reach the preset water intake M 0 , the user The water inlet time can be selectively extended through the smart terminal or the local end to ensure sufficient washing water volume and ensure the washing effect.
  • this embodiment provides a washing machine that adopts the water inflow control method of the washing machine.
  • the washing machine provided in this embodiment is a drum washing machine with a non-porous inner drum front-opening structure, which has a simple structure and can greatly reduce the need for filling washing/rinsing water between the inner drum 1 and the outer drum 2 . It reduces the washing water consumption of the washing machine, avoids the possibility of dirt adhesion between the inner tub 1 and the outer tub 2, greatly improves the user's health and user experience, and greatly saves water resources.
  • the front-loading washing machine of this embodiment has a casing 16, and the casing 16 includes: a top panel 4, a front panel, a back panel and a bottom panel. Bottom feet 12 are installed and fixed on the bottom plate for supporting the entire washing machine.
  • the main purpose of the outer cylinder 2 is to collect the drainage of the inner cylinder 1 and the drainage of the high-speed centrifugal dehydration of the inner cylinder 1.
  • the installation on the outer casing 16 can be opened/closed. the door 8.
  • a lifting rib 17 is provided on the inner cylinder 1 to continuously lift and drop the clothes, so as to wash the clothes.
  • the bottom of the outer tub 2 has a central mounting hole, and the bearing is installed and fixed.
  • the inner tub shaft 14 fastened to the inner tub 1 passes through the illustrated bearing and is connected to the motor 13 of the washing machine.
  • An openable/closable inner cylinder door 9 is installed on the front cylinder opening of the inner cylinder 1, thereby realizing the structure of the inner cylinder 1 as a sealed cabin 7.
  • the motor 13 of the washing machine drives the inner cylinder 1 to rotate through the inner cylinder shaft 14 and the inner cylinder 1 is driven to rotate.
  • 10 is communicated with the hollow channel 15 of the inner cylinder shaft 14, and water is fed into the inner cylinder 1, and the water inlet pipeline 10 and the hollow channel 15 are connected by dynamic sealing.
  • the detergent addition box 5 has an inlet that communicates with the water inlet valve 11 of the washing machine and an outlet that communicates with the water inlet pipe 10. , When washing or rinsing water, the water inlet valve 11 is controlled to open, the water flows through the detergent addition box 5, mixed with the detergent in the detergent addition box 5, and then enters the water inlet pipeline 10, and passes through the inner cylinder.
  • the hollow channel 15 in the shaft 14 enters the inner barrel 1 .
  • the peripheral wall of the inner cylinder 1 is provided with a drainage hole
  • the lifting rib 17 is installed on the inner wall of the inner cylinder 1 corresponding to the drainage hole
  • the lifting rib 17 has a lifting casing
  • the lifting casing A centrifugal valve 3 is installed, and the centrifugal valve 3 is in a normally closed state.
  • the centrifugal valve 3 is subjected to centrifugal force to open the drainage hole for drainage.
  • the inner tub 1 of the washing machine provided by this embodiment has a taper, the inner diameter at the middle position is the largest, and the front and rear ends gradually converge toward the middle position.
  • the centrifugal water on the conical surface of the inner cylinder 1 will move along the direction of the taper facing the centrifugal valve 3 under the action of centrifugal force, and converge to facilitate drainage, improve drainage efficiency, and effectively achieve efficient dehydration of the non-porous inner cylinder. and centrifugal drainage.

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  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

一种洗衣机的进水控制方法及洗衣机，洗衣机包括洗涤衣物时可独立盛放洗涤水的内筒（1），控制方法包括如下步骤：获取待洗涤衣物的重量M 1，向内筒（1）进水；控制内筒（1）转动，获取内筒（1）转动至设定工况时洗衣机电机（13）的第一工作参数，并根据第一工作参数计算出内筒（1）内的衣物和水的总重量M 2；计算得出内筒（1）内实际的进水量M＝M 2-M 1，当判断到内筒（1）内实际的进水量M达到预设进水量M 0时，停止进水。无需通过水量检测装置检测获得洗衣机的进水量，通过设定工况时电机（13）的工作参数即可获得洗衣机的进水量，进而来控制洗衣机的进水情况，控制方法简单高效，成本低，有效地解决了无孔内筒洗衣机进水量控制困难的问题。

Description

一种洗衣机的进水控制方法及洗衣机 技术领域
本发明属于衣物处理设备技术领域，具体地说，涉及一种洗衣机的进水控制方法及洗衣机。
背景技术
洗衣机是人们日常生活中比较常用的家用电器之一。洗衣机的使用，为人们的生活带来便利。现有技术中的滚筒洗衣机，外筒盛水，内筒旋转洗涤，内筒壁上设置有孔，用于向内筒中进洗涤水或者用于对内筒中的衣物进行脱水，洗涤水长时间在内外筒之间流动，导致内、外筒的夹层之间会积存脏污、水垢，造成大量细菌繁殖，对衣物造成二次污染，严重威胁消费者的健康，并且内筒和外筒中间夹层之间的水的填充造成无用的水浪费，因此，人们设计了无孔内筒洗衣机。
然而，由于无孔内筒洗衣机由于外筒中不再有进水，且内筒为转动的筒体，因此现有的利用外筒气室和水位传感器检测内筒进水量的方式，在无孔内筒洗衣机中不能使用。
申请号为CN201811237071.8的中国专利公开了一种滚筒洗衣机及其控制方法，滚筒洗衣机包括内筒和进水管路，所述的内筒为无孔内筒，洗涤衣物时盛放洗涤水，还包括用于计量进水量的量水装置，所述的进水管路连通量水装置，量水装置与内筒相连通。所述量水装置包括用于检测量水水箱的水位检测装置。所述的水位检测装置为液位传感器，液位传感器包括气室和传感器单元，所述的气室与量水水箱相连通；或者，所述的水位检测装置包括设置在量水水箱内沿其深度方向排布的多个水位检测探针。
上述申请公开的滚筒洗衣机通过设置量水装置，在向内筒内进水之前先进入到量水装置内通过水位检测装置进行定量量取，进而来控制洗衣机的进水量，需额外增设量水装置及水位检测装置等结构，使得洗衣机的结构更加复杂，成本更高，且控制方法较为繁琐，不易实现。
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，提供一种控制方法更简单，成本更低，无需通过水量检测装置即可获得洗衣机的进水量的进水控制方法。
为解决上述技术问题，本发明采用技术方案的基本构思是：
一种洗衣机的进水控制方法，所述洗衣机包括洗涤衣物时可独立盛放洗涤水的内筒，所述控制方法包括如下步骤：
获取待洗涤衣物的重量M 1，向内筒进水；
控制内筒转动，获取内筒转动至设定工况时洗衣机电机的第一工作参数，并根据第一工作参数计算出内筒内的衣物和水的总重量M 2；
计算得出内筒内实际的进水量M＝M 2-M 1，当判断到内筒内实际的进水量M达到预设进水量M 0时，停止进水。
进一步地，在衣物投放于内筒后，洗衣机未开始进水前，控制内筒转动，并获取内筒转动至设定工况时洗衣机电机的第二工作参数，并根据第二工作参数计算出内筒内衣物的重量M 1。
进一步地，所述第一工作参数/第二工作参数为洗衣机电机的第一工作电流/第二工作电流；或者，第一工作参数/第二工作参数为洗衣机电机的第一工作功率/第二工作功率。
进一步地，所述设定工况包括n种不同的设定工况，获取内筒转动至不同设定工况时洗衣机电机相应的第一工作参数的数值；
根据获取到的不同设定工况时洗衣机电机所对应的第一工作参数的不同数值，分别计算出内筒内的衣物和水的总重量M 21、M 22、、、M 2n，并计算出内筒内的衣物和水的平均总重量M 2＝(M 21+M 22+、、、M 2n)/n，其中n≥2。
进一步地，所述设定工况为内筒转动至设定转速N 0时，所述设定转速N 0＝60-100r//min；
优选地，在内筒开始进水后，控制内筒呈阶梯式逐级提速至设定转速N 0。
进一步地，在获取到衣物的重量M 1后，开始控制向内筒间歇进水，在间歇时间控制内筒转动至设定工况，并根据此时洗衣机电机的工作电流参数计算内筒内衣物和水的总重量M 2。
进一步地，所述预设进水量M 0的值根据洗衣机服务器内存储的数据表确定；或者，根据获取到的内筒内衣物的重量M 1计算得出洗衣机的理论进水量作为预设进水量M 0。
进一步地在开始进水后，每间隔一定的预设时间检测计算一次内筒的实际进水量M；或者，在开始进水后的设定t 1时间后，再每间隔一定的预设时间检测计算一次内筒的实际进水量M；
优选地，每次计算得出内筒的实际进水量M反馈至洗衣机的控制单元并显示在洗衣机的显示屏上。
进一步地，所述洗衣机还包括通讯单元，所述通讯单元与智能终端通讯连接，将每次计算得出的内筒的实际进水量M反馈至智能终端进行显示，用户根据实际进水量M通过所述智能终端远程控制洗衣机的进水情况；
优选地，在判断到实际的进水量M即将达到预设进水量M 0时，通过所述智能终端/本机端向用户发出提示信息，且若在设定时间内未接收到用户继续进水的指令，则停止进水。
本发明的另一目的，还提供了一种采用上述任一所述的洗衣机的进水控制方法的洗衣机。
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、本发明提供的洗衣机进水控制方法，无需通过水量检测装置检测获得洗衣机的进水量，通过获取在内筒转动至设定工况时洗衣机电机的工作参数，即可获得洗衣机的进水量，进而来控制洗衣机的进水情况，控制方法简单，成本低，有效地解决了无孔内筒洗衣机进水量控制困难的问题。
2、本发明提供的洗衣机进水控制方法，在洗衣机未进水前，通过获取内筒在转动至设定工况时洗衣机电机的工作参数，来获取内筒内衣物的重量，无需通过设置重量传感器来获取衣物的重量，简化洗衣机结构，进一步降低了成本。同时还根据衣物的重量信息自动匹配确定最佳进水量，自动化程度更高，有效地提升了洗衣机的洗涤效果。
3、本发明提供的洗衣机进水控制方法，通过在不同工况时洗衣机电机相应的第一工作参数数值分别计算出对应的衣物和水的总重量，来获取内筒内衣物和水的平均重量，将平均值作为当前的实际进水量，测量结果更精准，更合理，提高水量控 制的精准度。
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是本发明实施例中第一种进水控制方法的流程示意图；
图2是本发明实施例中第二种进水控制方法的流程示意图；
图3是本发明实施例中洗衣机的结构示意图；
图中：
1、内筒；2、外筒；3、离心阀；4、上台面板；5、洗涤剂添加盒；7、密封舱；8、机门；9、内筒门；10、进水管路；11、进水阀；12、底脚；13、电机；14、内筒轴；15、中空通道；16、外壳；17、提升筋。
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至图2所示，本实施例提供了一种洗衣机的进水控制方法，所述洗衣机包括洗涤衣物时可独立盛放洗涤水的内筒，所述控制方法包括如下步骤：
获取待洗涤衣物的重量M 1，向内筒进水；
控制内筒转动，获取内筒转动至设定工况时洗衣机电机的第一工作参数，并根据第一工作参数计算出内筒内的衣物和水的总重量M 2；
计算得出内筒内实际的进水量M＝M 2-M 1，当判断到内筒内实际的进水量M达到预设进水量M 0时，停止进水。
本实施例提供的洗衣机进水控制方法，无需通过水量检测装置检测获得洗衣机的进水量，通过获取在内筒转动至设定工况时洗衣机电机的第一工作参数，即可获得洗衣机的进水量，进而来控制洗衣机的进水，控制方法简单，成本低，有效地解决了无孔内筒洗衣机进水量检测困难的问题。
进一步地，在衣物投放于内筒后，洗衣机未开始进水前，控制内筒转动，并获取内筒转动至设定工况时洗衣机电机的第二工作参数，并根据第二工作参数计算出内筒内衣物的重量M 1。
在洗衣机未进水前，通过获取内筒在转动至设定工况时洗衣机电机的第二工作参数，来获取内筒内衣物的重量，无需通过设置重量传感器来获取衣物的重量，简化洗衣机结构，进一步降低了成本。
本实施例提供的洗衣机进水控制方法，可以应用于洗涤程序的进水控制中，或者也可以应用在漂洗程序的进水控制中。
进一步地，本实施例中，所述第一工作参数/第二工作参数为洗衣机电机的第一工作电流/第二工作电流；或者，第一工作参数/第二工作参数为洗衣机电机的第一工作功率/第二工作功率。
本实施提供的洗衣机进水控制方法，通过利用检测到的洗衣机的电机在设定工况时的工作电流或者工作功率的数值，结合理论公式即可计算得出内筒内衣物和水 的总重量M 2，无需额外增设重量检测装置，测量方法更简单，成本更低。
进一步地，所述设定工况包括n种不同的设定工况，获取内筒转动至不同设定工况时洗衣机电机相应的第一工作参数的数值。
根据获取到的不同设定工况时洗衣机电机所对应的第一工作参数的不同数值，分别计算出内筒内的衣物和水的总重量M 21、M 22、、、M 2n，并计算出内筒内的衣物和水的平均总重量M 2＝(M 21+M 22+、、、M 2n)/n，其中n≥2。
在上述实施方式中，通过在不同工况时洗衣机电机相应的第一工作参数数值分别计算出对应的衣物和水的总重量，来获取内筒内衣物和水的平均重量，将平均值作为当前的实际进水量，测量结果更精准，更合理，进一步提高水量控制的精准度。
进一步地，所述设定工况为内筒转动至设定转速N 0时，所述设定转速N 0＝60-100r//min。本实施例中，所述设定工况为内筒的转速达到设定值时，但设定工况不限于仅是设定转速。
优选地，在内筒开始进水后，控制内筒呈阶梯式逐级提速至设定转速N 0，控制内筒的转速逐渐升高至设定转速，内筒内水的晃动会相对减轻，提高了测量结果的精准度，避免了因内筒提速过快，造成洗涤水的转动惯量较大，影响测量的精准性。
具体地，在衣物投放于内筒后，洗衣机未开始进水前，可控制内筒转动至设定转速N 0，检测洗衣机电机当前的第二工作电流/第二工作功率，根据洗衣机电机当前的第二工作电流/第二工作功率计算得出内筒内衣物的重量M 1。
在获取到内筒内衣物的重量后，开始控制向内筒进水，当内筒再次转动至设定转速N 0时，检测洗衣机电机当前的第一工作电流/第一工作功率，根据洗衣机电机当前的第一工作电流/第一工作功率计算得出内筒内衣物和水的总重量M 2。
优选地，所述设定工况包括两种，第一种设定工况为控制内筒的转速达到设定转速N 0，第二种设定工况为控制内筒的转速达到设定转速N 1，所述设定转速N 0小于设定转速N 1。
具体是，在达到预设的检测时间时，先控制内筒的转速提高至设定转速N 0，检测此时洗衣机电机的第一工作电流/第一工作功率，计算出此时内筒内水和衣物的重量M 21，再控制内筒的转速提高至设定转速N 1，检测此时洗衣机电机的第一工作电流/第一工作功率，计算出此时内筒内水和衣物的重量M 22，并根据M 21和M 22，计算出 内筒内的衣物和水的平均总重量M 2＝(M 21+M 22)/2。
在上述实施方式中，通过控制内筒在转动至不同转速时，内筒内衣物和水的重量的平均值作为实际的进水量，采用平均值的方法获得进水量M 2，提高了测量的精准性，减少了测量误差。
进一步地，在获取到衣物的重量M 1后，开始控制向内筒间歇进水，在间歇时间控制内筒转动至设定工况，并根据此时洗衣机电机的工作电流参数计算内筒内衣物和水的总重量M 2。
具体地，控制内筒每进水T 1时间就暂停T 2时间，呈间歇式进水的方式向内筒进水，所述T 1＞T 2，控制洗衣机在进水的间歇时间检测当前的进水量，通过采用上述控制方法，既能保证洗衣机的正常进水，又不影响对进水量的检测。
进一步地，所述预设进水量M 0的值可以根据洗衣机服务器内存储的数据表匹配确定；或者，在另一种较为优选地方案中，根据获取到的内筒内衣物的重量M 1计算得出洗衣机的理论进水量作为预设进水量M 0。
在上述方案中，根据衣物的重量信息自动匹配确定最佳预设进水量，自动化程度更高，有效地提升了洗衣机的洗涤效果。
进一步地，在一种实施方式中，在开始进水后，每间隔一定的预设时间T3检测计算一次内筒的实际进水量M，所述预设T 3时间可以根据预设进水量M 0的数值大小确定，预设进水量M 0的值越小，间隔的预设T 3时间可以相应地缩短，预设进水量M0的值越大，间隔的预设T 3时间可以相应地增大。
或者，在另一种实施方式中，在开始进水后的设定t 1时间后，再每间隔一定的预设T3时间检测计算一次内筒的实际进水量M，因为在开始进水的初期，不会马上就达到或接近预设的进水量M 0，因此在开始进水的t 1时间后再开始检测，能够省去前期不必要的检测带来麻烦，节约能源的同时简化控制步骤。
或者，在另一种实施方式中，在开始进水后的设定t 1时间后，每间隔预设T 3时间检测计算一次内筒的实际进水量M，在判断到实际进水量M达到第二预设值M 0ˊ时，其中M 0ˊ＜M 0，M 0ˊ的值接近M 0，控制每间隔预设T 4时间检测计算一次内筒的实际进水量M，其中T 4＜T 3。
通过采用上述控制方法，在进水的前期控制间隔检测时长T 3大于后期的间隔检 测时长T 4，减少了检测的次数，节省了测量成本及时间成本，同时在进水量M达到第二预设值M 0ˊ时，缩短了检测的周期，避免出现进水量超过预设的进水量M 0的现象发生。
优选地，每次计算得出内筒的实际进水量M反馈至洗衣机的控制单元并显示在洗衣机的显示屏上。通过将实际进水量M，显示在洗衣机的显示屏上，便于用户直观地了解当前的进水量，用户的使用体验更好。
进一步地，所述洗衣机还包括通讯单元，所述通讯单元与智能终端通讯连接，将每次计算得出的内筒的实际进水量M反馈至智能终端进行显示，用户根据实际进水量M可通过所述智能终端远程控制洗衣机的进水情况。
优选地，在判断到实际的进水量M即将达到预设进水量M 0时，通过所述智能终端/本机端向用户发出提示信息，且若在设定时间内未接收到用户继续进水的指令，则停止进水。
通过采用智能终端远程控制洗衣机的进水，提升了洗衣机的智能化程度，且在进水量M即将达到预设进水量M 0时向用户发出提示信息，用户可以选择是否继续进水。
例如，待洗涤的衣物为吸水性较好的材质，则需要的洗涤水量可能要比相同重量的其他材质的衣物要多一些，因此，在进水量M即将达到预设进水量M 0时，用户可以通过智能终端或者本机端选择性延长进水时间，以保证有足够的洗涤水量，确保洗涤效果。
本实施例提供的洗衣机进水控制方法主要包括以下步骤：
S1：控制内筒转动至设定转速N 0，检测此时的洗衣机电机的第二工作参数，并计算得出内筒内部衣物的重量M 1；
S2：根据获取到的衣物重量M 1，通过逻辑公式计算内筒的理论进水量M 0；
S3：控制内筒转动至设定转速N 0，检测此时的洗衣机电机的第二工作参数，并计算得出内筒内部衣物和水的重量M 2；
S4：计算内筒的实际进水量M＝M 2-M 1；
S5：当计算内筒的水量质量M＝M 2-M 1达到M 0，进水完成；
S6：进行洗涤/漂洗步骤。
实施例二
本实施例在实施例一的基础上，提供了一种采用上洗衣机的进水控制方法的洗衣机。
如图3所示，本实施例提供的洗衣机为一种无孔内筒前开式结构的滚筒洗衣机，结构简单，能够无需在内筒1与外筒2之间填充洗涤/漂洗水而极大的减少了洗衣机的洗涤用水量，避免了内筒1与外筒2之间污垢附着的可能，极大的提高了用户健康及用户体验，极大的节约了水资源。
本实施例的滚筒洗衣机具有外壳16，外壳16包括：上台面板4，前面板，后背板和底板。底板上安装固定了底脚12，用于支撑整个洗衣机。外壳16内部具有外筒2，外筒2内同轴设置了内筒1，外筒2主要目的为了收集内筒1的排水及内筒1高速离心脱水的排水，外壳16上安装可开启/关闭的机门8。
优选的，内筒1上设置了提升筋17，不断的提升跌落摔打衣物，以便洗净衣物。外筒2底部具有中心安装孔，安装固定了轴承，与内筒1紧固连接的内筒轴14穿过所示轴承并连接洗衣机的电机13。内筒1前部筒口上安装可开启/闭合的内筒门9，进而实现内筒1为密封舱7结构。
进一步地，所述的洗衣机电机13通过内筒轴14与内筒1传动连接带动内筒1转动，所述的内筒轴14内具有连通内筒1内部的中空通道15，洗衣机的进水管路10与内筒轴14的中空通道15相连通，向内筒1进水，所述进水管路10与中空通道15之间为动密封连接。
所述进水管路10一端与中空通道15连通另一端与洗涤剂添加盒5连通，所述洗涤剂添加盒5具有与洗衣机的进水阀11连通的进口、以及与进水管路10连通的出口，在进行洗涤或者漂洗进水时，控制进水阀11打开，进水流经洗涤剂添加盒5，与洗涤剂添加盒5内的洗涤剂混合后进入到进水管路10内，并通过内筒轴14内的中空通道15进入到内筒1内。
进一步地，所述内筒1的周壁上开设有排水孔，所述提升筋17对应所述排水孔安装在内筒1内壁上，所述提升筋17具有一提升壳体，所述提升壳体内安装有离心阀3，所述离心阀3为常闭状态，在内筒1的转速达到设定值时，离心阀3受离心力的作用打开所述排水孔进行排水。
优选地，本实施提供的洗衣机的内筒1具有锥度，中间位置的内径最大，前后两 端逐渐向中间位置倾斜汇聚，所述排水孔开设在内筒1筒壁锥度最大的位置，内筒1在旋转时，在内筒1锥形面上的离心水在离心力作用下，会沿着锥度面向离心阀3的方向运动，汇聚，便于排水，提高排水效率，有效实现无孔内筒的高效脱水性和离心排水性。
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. 一种洗衣机的进水控制方法，其特征在于，洗衣机包括洗涤衣物时可独立盛放洗涤水的内筒，所述控制方法包括如下步骤：
    获取待洗涤衣物的重量M 1，向内筒进水；
    控制内筒转动，获取内筒转动至设定工况时洗衣机电机的第一工作参数，并根据第一工作参数计算出内筒内的衣物和水的总重量M 2；
    计算得出内筒内实际的进水量M＝M 2-M 1，当判断到内筒内实际的进水量M达到预设进水量M 0时，停止进水。
  2. 根据权利要求1所述的洗衣机的进水控制方法，其特征在于：
    在衣物投放于内筒后，洗衣机未开始进水前，控制内筒转动，并获取内筒转动至设定工况时洗衣机电机的第二工作参数，并根据第二工作参数计算出内筒内衣物的重量M 1。
  3. 根据权利要求2所述的洗衣机的进水控制方法，其特征在于：
    所述第一工作参数/第二工作参数为洗衣机电机的第一工作电流/第二工作电流；或者，第一工作参数/第二工作参数为洗衣机电机的第一工作功率/第二工作功率。
  4. 根据权利要求1所述的洗衣机的进水控制方法，其特征在于：
    所述设定工况包括n种不同的设定工况，获取内筒转动至不同设定工况时洗衣机电机相应的第一工作参数的数值；
    根据获取到的不同设定工况时洗衣机电机所对应的第一工作参数的不同数值，分别计算出内筒内的衣物和水的总重量M 21、M 22、、、M 2n，并计算出内筒内的衣物和水的平均总重量M 2＝(M 21+M 22+、、、M 2n)/n，其中n≥2。
  5. 根据权利要求1-4任一项所述的洗衣机的进水控制方法，其特征在于：所述设定工况为内筒转动至设定转速N 0时，所述设定转速N 0＝60-100r//min；
    优选地，在内筒开始进水后，控制内筒呈阶梯式逐级提速至设定转速N 0。
  6. 根据权利要求1-4任一项所述的洗衣机的进水控制方法，其特征在于：
    在获取到衣物的重量M 1后，开始控制向内筒间歇进水，在间歇时间控制内筒转动至设定工况，并根据此时洗衣机电机的工作电流参数计算内筒内衣物和水的总重 量M 2。
  7. 根据权利要求1-4任一项所述的洗衣机的进水控制方法，其特征在于：
    所述预设进水量M 0的值根据洗衣机服务器内存储的数据表确定；或者，根据获取到的内筒内衣物的重量M 1计算得出洗衣机的理论进水量作为预设进水量M 0。
  8. 根据权利要求1-4任一项所述的洗衣机的进水控制方法，其特征在于：
    在开始进水后，每间隔一定的预设时间检测计算一次内筒的实际进水量M；或者，在开始进水后的设定t 1时间后，再每间隔一定的预设时间检测计算一次内筒的实际进水量M；
    优选地，每次计算得出内筒的实际进水量M反馈至洗衣机的控制单元并显示在洗衣机的显示屏上。
  9. 根据权利要求1-4任一项所述的洗衣机的进水控制方法，其特征在于：
    所述洗衣机还包括通讯单元，所述通讯单元与智能终端通讯连接，将每次计算得出的内筒的实际进水量M反馈至智能终端进行显示，用户根据实际进水量M通过所述智能终端远程控制洗衣机的进水情况；
    优选地，在判断到实际的进水量M即将达到预设进水量M 0时，通过所述智能终端/本机端向用户发出提示信息，且若在设定时间内未接收到用户继续进水的指令，则停止进水。
  10. 一种洗衣机，其特征在于，采用上述权利要求1-9任一项所述的洗衣机的进水控制方法。
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