WO2018121392A1 - Procédé de commande de machine à laver, et machine à laver - Google Patents

Procédé de commande de machine à laver, et machine à laver Download PDF

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Publication number
WO2018121392A1
WO2018121392A1 PCT/CN2017/117630 CN2017117630W WO2018121392A1 WO 2018121392 A1 WO2018121392 A1 WO 2018121392A1 CN 2017117630 W CN2017117630 W CN 2017117630W WO 2018121392 A1 WO2018121392 A1 WO 2018121392A1
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WO
WIPO (PCT)
Prior art keywords
washing machine
magnetic field
field parameter
magnetic sensor
normal range
Prior art date
Application number
PCT/CN2017/117630
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English (en)
Chinese (zh)
Inventor
邓金柱
吕佩师
许升
黄振兴
Original Assignee
青岛海尔洗衣机有限公司
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Application filed by 青岛海尔洗衣机有限公司 filed Critical 青岛海尔洗衣机有限公司
Publication of WO2018121392A1 publication Critical patent/WO2018121392A1/fr

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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
    • 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
    • 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
    • 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
    • D06F2105/60—Audible signals
    • 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
    • D06F2105/62—Stopping or disabling machine operation
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/10—Power supply arrangements, e.g. stand-by circuits
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/18—Condition of the laundry, e.g. nature or weight

Definitions

  • the invention belongs to the technical field of washing machines, and in particular to a washing machine control method and a washing machine.
  • washing machines have gradually become one of the necessary home appliances in most people's homes.
  • Most people use the washing machine as the main tool for washing clothes. Because people live faster, they often forget to check the clothes pocket when washing.
  • the foreign objects in the pocket of the clothes contain magnetic materials, mainly those carried by coins, mobile phones, keys, etc., when the above-mentioned foreign objects are put into the washing machine, in the subsequent washing, the water inflow and the washing in the drum will cause the above-mentioned articles to be damaged. Or it may cause scratches, abrasions, and even damage to the washing machine. In order to avoid the above situation, the user may be damaged.
  • the prior art detects the clothes by optical detection or image recognition, but the detection accuracy is low or the cost is high. The reason is that a wide range of applications have not been achieved.
  • Cide No. CN104711819A discloses a washing machine with a metal detector and a control method therefor, a washing machine with a metal detector, and a front door of the washing machine is provided with a circular door, which further includes a main a controller and a metal detector and an alarm device connected to the controller, wherein the metal detector is annular and installed outside the circumference of the circular door, and the signal output of the main controller metal detector is detected Whether the clothes entering the washing machine have metal objects, and when the metal object is detected, the alarm device is controlled to perform an alarm.
  • the washing machine with the metal detector can actively detect and remind the metal objects in the clothes, thereby improving the intelligent level of the washing machine.
  • the metal detector of the present application detects a voltage signal and generates a current according to the movement of the metal object.
  • the structure of the application is complicated, the installation and use are limited, the cost is high, and it is not suitable for widespread promotion, and the user needs to put one piece of the product. After entering the clothes, it is necessary to pay attention to whether it will alarm, the sensitivity of the test is required to be high, and the detection speed is fast.
  • the user generally opens the washing program after putting it into the clothes, which does not meet the user's usage habits.
  • the Chinese Patent Publication No. CN105220402A discloses a washing machine dehydration program control method, which detects the presence of foreign matter in a dehydration process, and removes foreign matter during the dehydration process, possibly in the process of washing, the foreign matter destroys the washing machine, or causes clothing. Scratched and worn.
  • the present invention has been made in view of the above reasons.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a washing machine control method and a washing machine, which can find a foreign matter having magnetic material in the laundry after the user puts the laundry into the washing machine and rotates the inner tub to avoid the washing machine. And foreign matter causes unnecessary loss, in line with the user's washing habits.
  • a washing machine control method comprising the following steps:
  • Step 1 Start the laundry process
  • Step 2 the inner barrel rotates, the main controller compares the magnetic field parameter result detected by the magnetic sensor with the normal range magnetic field parameter result, and performs step 3 and step 4 respectively according to the obtained magnetic field parameter result in the normal range;
  • Step 3 If the obtained magnetic field parameter result is within the normal range, perform a washing process
  • Step 4 If the obtained magnetic field parameter is not within the normal range, the user is prompted.
  • the foreign matter in the present invention is a substance containing a magnetic material, and is mainly for a portable object such as a mobile phone, a key, a coin, and the like which are easily wrapped in the laundry.
  • the magnetic sensor in the present invention can sense the movement of the magnetic substance, and when the user puts the laundry and restarts When the drum of the motor washing machine rotates, a change of the magnetic field is generated.
  • the magnetic sensor can capture this change and generate a signal and input it to the main controller of the washing machine.
  • the main controller of the washing machine forms an alarm message according to the above signal to prompt the user to avoid the loss.
  • the user of the present invention is prompted to use an alarm device, and the alarm device can perform an alarm notice by means of a sounding component emitting a sound and/or a display component displaying a prompt code.
  • the alarm device can be set on the washing machine to be controlled by the main controller, or can be set in the mobile terminal and controlled by the server.
  • the magnetic field parameter result includes a magnetic field waveform, a frequency, or a calculated average value or integrated value obtained during the detection time.
  • the normal range of magnetic field parameters results in a uniform periodic magnetic field signal generated by the magnetic sensor under normal operating conditions of the washing machine.
  • the magnetic field parameter result of the normal range is a magnetic field parameter result that normally changes when the laundry rolls in the barrel after the inner barrel rotates during the detection period.
  • step 4 the following steps are further included:
  • Step 5 The main controller detects the prompt information or prompts whether the program is closed.
  • the main controller detects whether the user closes the above prompt information or prompting program.
  • washing machine pauses after a period of time and then enters standby or shutdown.
  • the prompt information or prompting procedure of step 5 in the present invention is the information or program for prompting the user in step 4. If the main controller detects the prompt information or prompts the program to close, step 2 is performed to perform the washing process, if the prompt is not closed.
  • the information or prompting program the washing machine pauses after the set time, and enters the standby or stop state after a pause.
  • the prompt information or the prompting program of the present invention may be an alarm device provided on the washing machine controlled by the main controller, or may be sent by a mobile terminal or other device connected to the control center through a network.
  • Another object of the present invention is to provide a washing machine including a magnetic sensor with which the above-described washing machine control method is executed.
  • the magnetic sensor is disposed on the casing near the door of the washing machine body toward the inner tub.
  • the effective detecting distance of the magnetic sensor is greater than the radius of the washing tub.
  • the magnetic sensor of the present invention is disposed on the casing near the door of the washing machine door toward the inner tub, so that the amount of the magnetic sensor is saved, and the magnetic field change in the laundry can be detected using a small amount of the magnetic sensor, and the installation is convenient.
  • the magnetic sensor is a high-sensitivity linear magnetic sensor, and the magnetic sensor is integrated into a module, and the module is a differential amplified voltage output module.
  • the differential amplifying voltage output module is connected to the magnetic sensor by a low-voltage linear voltage regulator, and the voltage signal generated by the magnetic sensor passes through the amplifying circuit and outputs a signal.
  • the voltage signal passing through the low voltage linear regulator is also supplied to the amplifying circuit.
  • the present invention uses a magnetic sensor with high sensitivity and needs to be integrated into one module so that the output signal can be amplified, so that the washing machine is
  • the main controller can recognize that the sensor used in the present invention is a linear magnetic sensor, and the module is a differential amplified voltage output module.
  • the power frequency signal is also amplified, so the amplified signal needs to be digitally filtered. , remove the 50Hz (commercial power) interference signal.
  • a washing machine control method wherein the foreign matter is a substance with a magnetic material, and a magnetic sensor is mounted on the washing machine to detect the movement of the magnetic object, and when the user puts on the laundry and then starts the motor washing machine, the barrel rotates.
  • the change of the magnetic field the magnetic sensor can capture this change and generate a signal and input to the main controller of the washing machine.
  • the main controller of the washing machine forms an alarm message to prompt the user according to the above signal, so that the user can find the foreign object and take it out before the water washing. Avoid losses, more in line with the user's washing habits.
  • the inspection method provided by the present invention has the advantages of low cost, high detection precision, and low installation and use restrictions.
  • the washing machine of the present invention compares the magnetic field parameter result detected by the magnetic sensor with the magnetic field parameter result of the normal range by the main controller to determine whether the foreign matter of the magnetic material is contained in the laundry, and the washing machine control method is The foreign matter is treated to avoid damage that may be caused by foreign matter.
  • Figure 1 The principle of the magnetic anomaly signal caused by the mobile phone
  • Figure 2 Block diagram of the module amplification circuit
  • FIG. 3 is a diagram showing changes in output voltage when a foreign object is detected as a mobile phone according to Embodiment 2 of the present invention.
  • Fig. 4 is a diagram showing changes in the magnetic field when the foreign matter is detected as a mobile phone according to the second embodiment of the present invention.
  • the foreign matter described in the present invention is a substance containing a magnetic material such as a mobile phone, a key, and a coin with a magnetic material.
  • the main controller of the invention detects the magnetic field parameter result detected by the magnetic sensor, and compares the detected magnetic field parameter result with the normal range magnetic field parameter result, if the detected magnetic field parameter result is within the normal range magnetic field parameter result If the foreign object does not exist, the washing machine is started, and the washing process is performed; if the detected magnetic field parameter result is not within the normal range magnetic field parameter result, and the foreign matter is proved to exist, the main controller controls the alarm device to issue an alarm signal, so that the user can enter Foreign matter is found before water washing and taken out to avoid loss.
  • a washing machine control method comprising the following steps:
  • Step 1 Start the laundry process
  • Step 2 the inner barrel rotates, the main controller compares the magnetic field parameter result detected by the magnetic sensor with the normal range magnetic field parameter result, and performs step 3 and step 4 respectively according to the obtained magnetic field parameter result in the normal range;
  • Step 3 If the obtained magnetic field parameter result is within the normal range, perform a washing process
  • Step 4 If the obtained magnetic field parameter is not within the normal range, the user is prompted.
  • the magnetic field parameter result includes a magnetic field waveform, a frequency, or a calculated average or integrated value obtained during the detection time.
  • the normal range of magnetic field parameters results in a uniform periodic magnetic field signal generated by the magnetic sensor under normal working conditions.
  • the magnetic field parameter result of the normal range is a magnetic field parameter result that normally changes when the laundry rolls in the barrel after the inner barrel rotates during the detection period.
  • the magnetic sensor of the present invention when the foreign matter contained in the washing machine is contained by the user, since the magnetic permeability of the ferromagnetic substance is much higher than that of the air, the three-dimensional space around it will concentrate or deform the earth magnetic field, thereby causing an abnormal magnetic field signal.
  • the magnetic field abnormality signal can be captured, and the magnetic characteristic curve is exhibited, thereby judging the existence of foreign matter.
  • the magnetic sensor is integrated into a module, and the module is a differential amplified voltage output module.
  • the differential amplifying voltage output module is connected to the magnetic sensor by a low-voltage linear voltage regulator, and the voltage signal generated by the magnetic sensor passes through the amplifying circuit and outputs a signal.
  • the voltage signal passing through the low voltage linear regulator can also be delivered to the amplifying circuit.
  • the block diagram of the module amplifying circuit in this embodiment is shown in FIG. 2 .
  • the present invention uses a magnetic sensor with high sensitivity and needs to be integrated into one module so that the output signal can be amplified, so that the washing machine is
  • the main controller can recognize that the sensor used in the present invention is a linear magnetic sensor, and the module is a differential amplified voltage output module.
  • the amplification factor is large, the power frequency signal is also amplified, so the amplified signal needs to be digitally filtered. , remove the interference signal of the mains.
  • the foreign object is used as the mobile phone.
  • the outer casing and the speaker part of the mobile phone are made of ferromagnetic material. Since the magnetic permeability of the ferromagnetic substance is much higher than that of the air, the three-dimensional space around it will concentrate or change the magnetic field.
  • the phase causes a magnetic field anomaly signal. As shown in Figure 1, the magnetic field anomaly signal can be captured by a sensitive magnetic sensor, exhibiting a magnetic characteristic curve, and thereby determining the presence of the mobile phone.
  • Step 1 Start the laundry process
  • Step 2 the inner barrel rotates, the main controller compares the magnetic field parameter result detected by the magnetic sensor with the normal range magnetic field parameter result, and performs step 3 and step 4 respectively according to the obtained magnetic field parameter result in the normal range;
  • Step 3 If the obtained magnetic field parameter result is within the normal range, perform a washing process
  • Step 4 If the obtained magnetic field parameter is not within the normal range, the alarm device sends an alarm signal.
  • Step 5 The main controller detects the prompt information or prompts whether the program is closed.
  • the main controller detects whether the user closes the above prompt information or prompting program.
  • washing machine pauses after a period of time and then enters standby or shutdown.
  • the prompt information or prompting procedure of step 5 in the present invention is the information or program for prompting the user in step 4. If the main controller detects the prompt information or prompts the program to close, step 2 is performed to perform the washing process, if the prompt is not closed.
  • the information or prompting program the washing machine pauses after the set time, and enters the standby or stop state after a pause.
  • the magnetic field parameter result is a comparison of the voltage of the magnetic field and the waveform of the magnetic field during the detection of a period of time.
  • the prompt in this embodiment is prompted by an alarm device installed on the washing machine controlled by the main controller, and the alarm device performs an alarm based on the detected information.
  • the magnitude of the magnetic field is inversely proportional to the cube of the distance. That is to say, the farther the distance is, the smaller the magnetic field is. If it is necessary to accurately measure the magnitude of the magnetic field signal, a magnetic sensor with high sensitivity and low noise must be required.
  • the module is powered by a low voltage linear regulator and transmitted to the magnetic sensor.
  • the magnetic sensor transmits the voltage signal to the amplifying circuit, and then passes through the module output signal, wherein the low voltage linear regulator transmits the voltage signal to In the amplifying circuit, the output of the module is increased by the design of the module, and the power frequency signal is also amplified. Therefore, the amplified signal needs to be digitally filtered to remove the interference signal of the 50 Hz mains.
  • the foreign object in the invention is a mobile phone, and the magnetic field parameters generated by the magnetic sensor are detected at regular intervals.
  • the module measures the signal change generated when the distance of the mobile phone is 40 cm, and the peak portion corresponds to the time period of the mobile phone, and the detection is performed. The results of the measurements are shown in Figures 3 and 4.
  • a washing machine compares a magnetic field parameter result detected by a magnetic sensor with a normal range magnetic field parameter result by a main controller to determine whether a foreign matter of a magnetic material is contained in the laundry, and the foreign matter is processed by the above-mentioned washing machine control method to avoid Foreign matter may cause damage.
  • the detected magnetic field parameter result is within the normal range of the magnetic field parameter result, the foreign matter is considered to be absent, the washing machine is started, and the washing process is performed. If the detected magnetic field parameter result is not within the normal range magnetic field parameter result, the foreign matter is proved to exist.
  • the alarm device sends an alarm signal to prompt the user so that the user can find foreign matter and take it out before washing in water to avoid loss.

Abstract

La présente invention concerne un procédé de commande de machine à laver et une machine à laver, le procédé comprenant les étapes suivantes : étape 1, démarrer un programme de lavage ; étape 2, un tambour intérieur tourne, et un contrôleur maître compare un résultat de paramètre de champ magnétique détecté par un capteur magnétique à une plage normale de résultats de paramètre de champ magnétique, et, selon que le résultat de paramètre de champ magnétique obtenu se situe ou non dans une plage normale, exécuter l'étape 3 ou l'étape 4, respectivement ; étape 3, si le résultat de paramètre de champ magnétique obtenu se situe dans la plage normale, exécuter un programme de lavage ; étape 4, si le paramètre de champ magnétique obtenu n'est pas dans la plage normale, alerter un utilisateur. Au moyen du présent procédé de commande, un utilisateur peut découvrir et retirer les objets étrangers, ce qui permet d'empêcher les pertes. La présente machine à laver a un faible coût, une précision de détection élevée et peu de restrictions d'utilisation.
PCT/CN2017/117630 2016-12-28 2017-12-21 Procédé de commande de machine à laver, et machine à laver WO2018121392A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611235025.5 2016-12-28
CN201611235025.5A CN108252025B (zh) 2016-12-28 2016-12-28 一种洗衣机控制方法及洗衣机

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WO2018121392A1 true WO2018121392A1 (fr) 2018-07-05

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WO (1) WO2018121392A1 (fr)

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CN109162066A (zh) * 2018-11-16 2019-01-08 珠海格力电器股份有限公司 洗衣机和洗衣机控制方法
CN109743352A (zh) * 2018-11-30 2019-05-10 与德科技有限公司 防止电子设备损毁的方法、电子设备以及计算机可读存介质
CN109898267B (zh) * 2019-04-09 2020-11-06 珠海格力电器股份有限公司 一种洗衣机的控制方法、装置、存储介质及洗衣机
CN114960155A (zh) * 2021-02-26 2022-08-30 青岛海尔洗衣机有限公司 衣物容纳装置、异物检测方法、系统、介质及程序产品

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