WO2020259348A1 - Procédé de commande d'admission d'eau pour appareil de lavage et appareil de lavage - Google Patents

Procédé de commande d'admission d'eau pour appareil de lavage et appareil de lavage Download PDF

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Publication number
WO2020259348A1
WO2020259348A1 PCT/CN2020/096274 CN2020096274W WO2020259348A1 WO 2020259348 A1 WO2020259348 A1 WO 2020259348A1 CN 2020096274 W CN2020096274 W CN 2020096274W WO 2020259348 A1 WO2020259348 A1 WO 2020259348A1
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WIPO (PCT)
Prior art keywords
water
water intake
washing
laundry
washing equipment
Prior art date
Application number
PCT/CN2020/096274
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English (en)
Chinese (zh)
Inventor
赵志强
许升
吕佩师
Original Assignee
青岛海尔滚筒洗衣机有限公司
海尔智家股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 青岛海尔滚筒洗衣机有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔滚筒洗衣机有限公司
Publication of WO2020259348A1 publication Critical patent/WO2020259348A1/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 
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, 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
    • 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
    • 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
    • D06F39/088—Liquid supply arrangements

Definitions

  • the invention belongs to the field of washing machines, and specifically relates to a method for controlling water intake of washing equipment and washing equipment.
  • the washing machine is a device that uses detergent and mechanical rotation to clean dirty laundry contained in the washing machine. With the improvement of people’s living standards, washing machines have become one of the main household appliances in people’s daily lives.
  • the washing process of washing machines mainly includes washing, washing dehydration, rinsing, and rinsing water.
  • the washing stage includes washing water and detergent. Wash the laundry.
  • the rinsing stage includes the washing machine rinsing water. This part of the water is mainly used to remove the detergent remaining on the laundry. During the rinsing process, multiple rinses are required, which will inevitably consume a lot of water resources. The ability to save water while cleaning clothes has always been one of the focuses of consumers.
  • the amount of water intake is closely related to the liquid level.
  • the washing machine controls the water intake mainly to determine a liquid level.
  • the detection of the liquid level generally uses a frequency water level sensor.
  • the working principle is that the change of the liquid level causes the air in the air chamber of the water level sensor to be compressed, pushing the magnetic core inside an inductor to produce displacement, thereby changing the inductance value, and then the external
  • the LC oscillator generates a frequency that changes with the difference in liquid level.
  • the existing washing machine water intake control method is the absolute liquid level control method, that is, the optimal washing liquid level height is determined in advance, and the frequency value corresponding to the liquid level height is obtained.
  • the water level frequency value detected by the water level sensor is the set frequency value
  • Stop the water and wash due to different manufacturers of water level sensors, oscillating circuits, measurement accuracy of computer boards, and differences in assembly of washing machines, etc., when the water level sensors of different washing machines detect the same water level frequency, there are differences in liquid level heights, which results in differences in water intake. Larger, it greatly affects the precise control of the water intake, resulting in a large difference in the water consumption of the washing machine.
  • the reference water level may drift due to external environmental factors, resulting in the inflow of water not being the optimal amount of washing water, and adversely affecting the washing effect.
  • the first technical problem to be solved by the present invention is to overcome the disadvantages of the prior art in terms of adverse effects on the washing effect and waste of water resources, and to provide a method for controlling water intake of washing equipment.
  • a method for controlling water intake of washing equipment which includes the following steps:
  • the water intake of the washing equipment includes washing water and rinsing water
  • the washing device rinses the same laundry multiple times, and the set values a1, b2, and c2 obtained for each rinse are different.
  • step 3 water is injected into the inner cylinder of the washing device, and there is no water between the inner and outer cylinders of the washing device, the water inflow of the inner cylinder of the washing device is detected in real time, and the real-time water inflow Qa is obtained.
  • step 4 the specific process of judging the water inflow of the washing equipment is as follows:
  • step 3 If the real-time water intake Qa is not less than the set water intake Qo, the water intake is completed; if the real-time water intake Qa is less than the set water intake Qo, then step 3) is executed.
  • step 1) the specific steps of weighing the laundry include:
  • the weight of the laundry is obtained.
  • step 1) the following steps are included between step 1) and step 2):
  • the dosage of detergent and softener can be obtained.
  • step 4 also includes the following steps:
  • the number of rinsing times x is compared with the preset number of rinsing times n to determine the rinsing condition of the washing device.
  • step 3 If the number of rinsing times x is not less than the preset number of rinsing times n, the laundry washing is completed; if the number of rinsing times x is less than the preset number of rinsing times n, step 3) is executed.
  • Another object according to the present invention is to provide a washing device applied to the above-mentioned water inflow control method to achieve the purpose of enhancing washing effect and saving water resources.
  • a washing equipment which includes a cylinder, a water inlet pipe installed on the cylinder, and a water inlet valve installed on the water inlet pipe, and a water flow meter is provided on the water inlet pipe.
  • the inner cylinder is a non-porous inner cylinder, and the water inlet pipe is provided with the water flow meter.
  • the present invention has the following beneficial effects compared with the prior art.
  • the real-time water inflow is compared with the set water inflow to judge the water inflow of the washing equipment, so as to realize accurate control of the real-time water inflow and avoid
  • the water intake can reach the optimal washing water quantity and the washing effect can be enhanced; at the same time, the problem of the difference in water consumption of different washing machines can be avoided, and water resources can be saved.
  • the method for controlling the water intake of the washing device of the present invention when water is poured into the inner cylinder of the washing device, there is no water between the inner and outer cylinders of the washing device, which can avoid the waste of water resources and enhance the washing effect.
  • the number of rinsing times x is compared with the preset number of rinsing times n to determine the rinsing condition of the washing equipment, and the precise control of the rinsing times is realized, so that the rinsing effect is good.
  • the inner tube of the washing machine is a non-porous outer tube
  • the water inlet pipe is provided with a water flow meter, which can detect the water intake of the washing device in real time and accurately.
  • FIG. 1 is a flowchart of a method for controlling water intake of washing equipment according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for controlling water intake of washing equipment according to an embodiment of the present invention
  • Fig. 3 is a schematic structural diagram of a washing device provided by an embodiment of the present invention.
  • an embodiment of the present invention provides a method for controlling water intake of washing equipment, which includes the following steps:
  • the washing equipment includes a barrel, a water inlet pipe 3 installed on the barrel, and a water inlet valve 4 installed on the water inlet pipe 3.
  • the water inlet pipe 3 is equipped with a water flow meter 5, the water inlet pipe 3 and the external water source and the inside of the barrel Connected, the water inlet valve 4 on the water inlet pipe 3 controls the connection or closing of the water inlet pipe 3, by connecting the water inlet pipe 3, water is injected into the washing machine barrel, and the water flow meter 5 on the water inlet pipe 3 detects the flow through the water inlet pipe 3
  • the water flow rate can detect the water inflow of the cylinder.
  • the water intake Qa is compared with the set water intake Qo, and the water intake of the washing equipment is judged, and the real-time water intake Qa is accurately controlled. It avoids judging the water intake of the washing equipment by controlling the liquid level.
  • the water intake reaches the optimal washing water quantity, which enhances the washing effect; at the same time, it can avoid the problem of the difference in water consumption of different washing machines and can save water resources; the washing equipment is mainly a washing machine, especially a drum washing machine.
  • the washing equipment inlet water includes washing inlet water and rinsing inlet water
  • the washing device rinses the same laundry multiple times, and the set values a1, b2, and c2 obtained for each rinse are different.
  • the weight of the laundry can be obtained according to the rotation speed of the motor and the average output power.
  • the weight error of the laundry is related to the speed of the motor speed.
  • step 3 water is injected into the inner cylinder 2 of the washing device, and there is no water between the inner and outer cylinders of the washing device, and the water inflow amount of the inner cylinder 2 of the washing device is detected in real time to obtain the real-time water inflow Qa .
  • step 3 when water is poured into the inner tub 2 of the washing equipment, the way to feed water into the inner tub 2 of the washing device includes: water only into the inner tub 2 or water between the inner tub 2 and the outer tub 1 .
  • the washing equipment includes an outer cylinder 1, an inner cylinder 2 rotatably installed in the outer cylinder 1, a water inlet pipe 3 installed on the outer cylinder 1 and the inner cylinder 2, and a water inlet pipe 3 installed on the water inlet pipe 3.
  • the inner cylinder 2 is a non-porous inner cylinder 2
  • the water inlet pipe 3 is provided with a water flow meter 5
  • the water inlet pipe 3 is connected with the external water source and the inner cylinder 2
  • the water inlet valve 4 on the water inlet pipe 3 controls the water inlet pipe 3 Turning on or off, by connecting the water inlet pipe 3, water is injected into the inner tub 2 of the washing machine.
  • the water flow meter 5 on the water inlet pipe 3 detects the flow of water flowing through the water inlet pipe 3, thereby detecting the amount of water entering the inner tub 2, and Since the inner cylinder 2 is a non-porous inner cylinder 2, there is no water between the inner and outer cylinders when water is fed.
  • the inner tube 2 of the washing device is a non-porous inner tube 2.
  • step 3 water is fed into the inner tube 2 of the washing device, and there is no water between the inner and outer tubes of the washing device, only the inner tube 2 Water intake; the washing equipment only injects water into the inner tub 2 and there is no water between the inner and outer tubs. On the one hand, it can reduce the water intake and avoid the waste of water resources. On the other hand, it can prevent the washing water in the inner tub 2 from mixing inside and outside. The dirt and bacteria remaining between the cylinders enhance the washing effect.
  • step 4 the specific process of judging the water intake of the washing equipment is as follows:
  • step 3 If the real-time water intake Qa is not less than the set water intake Qo, the water intake is completed; if the real-time water intake Qa is less than the set water intake Qo, then step 3) is executed.
  • the specific process of judging the water inflow of the washing device is as follows:
  • the water quantity Qa is not less than the set water intake Qo, preferably, when the detected real-time water intake Qa is equal to the set water intake Qo, the water intake valve 4 on the water intake pipe 3 is closed, and the water intake pipe 3 stops washing
  • the inner cylinder 2 of the equipment is filled with water and the water inflow is completed;
  • the water inlet pipe 3 needs to continue to feed water into the inner cylinder 2 of the washing equipment, and the washing equipment is detected in real time
  • the real-time water inflow Qa is obtained by comparing the real-time water inflow Qa with the set water inflow Qo until the real-time water inflow Qa is not less than the set water inflow Qo, close the water inlet pipe 3
  • step 1) the specific steps of weighing the laundry include:
  • the weight of the laundry is obtained; or, the weight of the laundry is detected by the quality sensor.
  • one way is to sense the weight of the laundry through a mass sensor provided on the inner tub 2, or the other way is according to the washing machine motor Rotation speed and average output power, get the weight of the laundry.
  • step 1) the following steps are further included between step 1) and step 2):
  • the dosage of detergent and softener can be obtained.
  • the inner cylinder 2 is connected with a detergent box containing detergent and softener, and the water inlet pipe 3 is connected with the detergent box; between step 1) and step 2), it also includes
  • the method of controlling the water inflow of the washing equipment is as follows:
  • the real-time detection of the water inlet of the inner cylinder 2 of the washing equipment is obtained to obtain the real-time water inlet Qa; the real-time water inlet Qa Compare with the set water intake Qo, when the real-time water intake Qa is not less than the set water intake Qo, close the water intake valve 4 on the water intake pipe 3, and the water intake pipe 3 stops the water intake to the inner cylinder 2 of the washing equipment , The water intake is complete; when the detected real-time water intake Qa is less than the set water intake Qo, the water intake pipe 3 needs to continue to feed water into the inner cylinder 2 of the washing equipment, and the water intake of the washing equipment is detected in real time to obtain the real-time Then compare the real-time water inflow Qa with the set water inflow Qo until the real-time water inflow Qa is not less than the set water inflow Qo, close the water inlet valve 4 on the water inlet pipe 3, and then The water pipe 3 stops feeding water into the inner cylinder 2 of the washing device, and completes the water
  • the above-mentioned method for controlling water intake of washing equipment includes the following general steps:
  • the precise control of the washing water intake and the rinsing water intake can enhance the washing effect and save water resources; and in the washing process of the washing equipment, the number of rinsing times x and the preset number of rinsing times n Make comparisons, judge the rinsing condition of the washing equipment, and realize precise control of the rinsing times, so that the rinsing effect is good.
  • step 5 the specific process of judging the rinsing condition of the washing equipment is as follows:
  • step 3 If the number of rinsing times x is not less than the preset number of rinsing times n, the laundry is completed; if the number of rinsing times x is less than the preset number of rinsing times n, step 3) is executed.
  • the method for controlling the water intake of the washing equipment is as follows:
  • Real-time detection of the water intake of the inner cylinder 2 of the washing equipment to obtain the real-time water intake Qa compare the real-time water intake Qa with the set water intake Qo For comparison, when the real-time water inlet Qa is not less than the set water inlet Qo, the water inlet valve 4 on the water inlet pipe 3 is closed, and the water inlet pipe 3 stops water inlet to the inner cylinder 2 of the washing equipment, and the rinse water inlet is completed; When the detected real-time water intake Qa is less than the set water intake Qo, the water inlet pipe 3 needs to continue to feed water into the inner cylinder 2 of the washing equipment, and the water intake of the washing equipment is detected in real time to obtain the real-time water intake Qa.
  • the inner cylinder 2 is filled with water to complete the rinsing water; rinse and re-dehydrate the laundry; compare the number of rinsing x with the preset number of rinsing n, when the number of rinsing x is not less than the preset number of rinsing n, then Complete the washing of the laundry; when the number of rinsing times x is less than the preset number of rinsing times n, the water inlet pipe 3 needs to continue to feed water into the inner cylinder 2 of the washing equipment, and real-time detection of the water intake of the washing equipment to obtain the real-time water intake Qa , And then compare the real-time water intake Qa with the set water intake Qo until the real-

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

Abstract

L'invention concerne un procédé de commande d'admission d'eau pour un appareil de lavage et l'appareil de lavage, comportant les étapes suivantes: 1) mettre en marche l'appareil de lavage, distribuer du linge à laver dans l'appareil de lavage, et peser ledit linge pour obtenir le poids M dudit linge; 2) utiliser, sur la base du poids M dudit linge, la formule suivante: Q = a*M^b+c, où a, b, et c sont des valeurs définies; et obtenir un volume défini d'admission d'eau Qo; 3) introduire de l'eau dans l'appareil de lavage, détecter le volume d'admission d'eau de l'appareil de lavage en temps réel pour obtenir un volume d'admission d'eau en temps réel Qa; et, 4) comparer le volume d'admission d'eau en temps réel Qa avec le volume défini d'admission d'eau Qo, et déterminer l'état d'admission d'eau de l'appareil de lavage. Le procédé de commande d'admission d'eau pour l'appareil de lavage renforce les effets du lavage et économise la ressource en eau. L'invention concerne également l'appareil de lavage, comportant un tambour, un tuyau (3) d'admission d'eau monté sur le tambour, et une vanne (4) d'admission d'eau montée sur le tuyau (3) d'admission d'eau, le tuyau (3) d'admission d'eau étant muni d'un débitmètre (5) d'eau.
PCT/CN2020/096274 2019-06-25 2020-06-16 Procédé de commande d'admission d'eau pour appareil de lavage et appareil de lavage WO2020259348A1 (fr)

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CN201910554819.5A CN112210954B (zh) 2019-06-25 2019-06-25 洗涤设备进水的控制方法及洗涤设备
CN201910554819.5 2019-06-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113584799B (zh) * 2021-08-19 2022-05-17 珠海格力电器股份有限公司 洗衣机进水的控制方法、洗衣机

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