EP4642973A1 - A washing machine control method wherein the detergent dissolution amount is increased - Google Patents

A washing machine control method wherein the detergent dissolution amount is increased

Info

Publication number
EP4642973A1
EP4642973A1 EP23847650.1A EP23847650A EP4642973A1 EP 4642973 A1 EP4642973 A1 EP 4642973A1 EP 23847650 A EP23847650 A EP 23847650A EP 4642973 A1 EP4642973 A1 EP 4642973A1
Authority
EP
European Patent Office
Prior art keywords
detergent
washing machine
control method
amount
manufacturer
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP23847650.1A
Other languages
German (de)
French (fr)
Inventor
Onat ERDOGMUS
Burak Uruc
Servet EFE
Erdeniz DALYAN
Gizem BATMAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arcelik AS
Original Assignee
Arcelik AS
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.)
Filing date
Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Priority claimed from PCT/TR2023/051677 external-priority patent/WO2024144672A1/en
Publication of EP4642973A1 publication Critical patent/EP4642973A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/12—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
    • D06F2103/18—Washing liquid level
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/26—Imbalance; Noise level
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • 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 
    • D06F33/48—Preventing or reducing imbalance or noise

Definitions

  • the present invention relates to a washing machine control method which enables the dissolution rate of the detergent used in water.
  • the heater In washing machines, the heater is located in a heater pocket. Increasing the size of the heater pocket, especially increasing the depth thereof, causes the distance between the tub and the heater to increase and detergent to accumulate at the bottom of the heater pocket. This situation adversely affects the washing performance since the detergent cannot be used efficiently during the washing.
  • the aim of the present invention is the realization of a washing machine control method which enables the dissolution rate of the detergent used in water.
  • the control method realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises the detergent dissolution step having the steps of taking detergent and water, then detecting the load amount, determining the unbalanced load amount predetermined by the manufacturer for the load amount, determining the water level in the washing machine, and rotating the motor at least twice consecutively at low and high speeds if the unbalanced load amount and the water level are below the value predetermined by the manufacturer.
  • the detergent dissolution step comprises rotating the washing machine drum motor at least once at 90 rpm and 300 rpm, consecutively.
  • the unbalanced load amount is above the value determined by the manufacturer, the unbalanced load is tried to be eliminated by reducing the motor speed preferably to 40 rpm. In the preferred embodiment of the present invention, if the unbalanced load cannot be eliminated by reducing the motor speed, the washing step continues without applying the detergent dissolution step.
  • control method comprises the step of measuring the foam level during the detergent dissolution step. In this embodiment of the present invention, if the foam level measured for a certain period of time is above the level determined by the manufacturer, the detergent dissolution step is ended.
  • control method comprises detecting the amount of dirt and increasing the number of repetitions of the detergent dissolution step if the amount of dirt is above a level determined by the manufacturer. Accordingly, when the amount of dirt detected is high, the number of repetitions of the 300 rpm movement is increased.
  • control method comprises increasing the number of repetitions of the detergent dissolution step if the water inlet temperature is below a value determined by the manufacturer.
  • the decrease in detergent dissolution rate is minimized by increasing the number of repetitions of the 300 rpm movement.
  • the detergent dissolution step is also applied in the rinsing step.
  • the detergent on the laundry is enabled to be dissolved more easily in water, increasing the rinsing performance.
  • the washing performance is enabled to be increased by increasing the dissolution rate of the detergent used in the washing machine in the water.
  • the water heated by the heater at the bottom of the washing machine is enabled to be delivered to the laundry in a shorter time and the detergent usage efficiency is improved.
  • the duration of the washing machine washing program is shortened and energy consumption is reduced.
  • the energy performance of washing machines which do not comprise a jet pump or a flowmeter is enabled to be same as washing machines which comprises said components.
  • the control method is suitable for a washing machine having a tub wherein the washing process is performed, a drum which is disposed in the tub, a motor which moves the drum, a heater which heats the water in the tub and a detergent dispenser wherein the detergent to be used in the washing process is loaded, and comprises the detergent dissolution step having the steps of taking detergent and water, then detecting the load amount, determining the unbalanced load amount predetermined by the manufacturer for the load amount, determining the water level in the washing machine, and rotating the motor at least once consecutively at low speed and high speed if the unbalanced load amount and the water level are below the value predetermined by the manufacturer.
  • the detergent dissolution step comprises rotating the washing machine drum motor at least once at speeds below 100 rpm and at speeds above 200 rpm.
  • the detergent dissolution step comprises rotating the washing machine drum motor at least once at 90 rpm and 300 rpm, consecutively.
  • the unbalanced load amount is above the value determined by the manufacturer, the unbalanced load is tried to be eliminated by reducing the motor speed preferably to 40 rpm. In the preferred embodiment of the present invention, if the unbalanced load cannot be eliminated by reducing the motor speed, the washing step continues without applying the detergent dissolution step.
  • control method comprises the step of measuring the foam level during the detergent dissolution step. In this embodiment of the present invention, if the foam level measured for a certain period of time is above the level determined by the manufacturer, the detergent dissolution step is ended.
  • control method comprises detecting the amount of dirt and increasing the number of repetitions of the detergent dissolution step if the amount of dirt is above a level determined by the manufacturer. Accordingly, when the amount of dirt detected is high, the number of repetitions of the 300 rpm movement is increased.
  • the control method comprises taking the amount of detergent predetermined by the manufacturer in the step of taking water and detergent according to the amount of unbalanced load determined in the step of determining the amount of unbalanced load. According to the detected unbalanced load amount, the amount of detergent to be taken into the drum to be used in the washing process is predetermined by the manufacturer.
  • the control method comprises taking an average amount of detergent predetermined by the manufacturer if the determined unbalanced load amount is less than the threshold unbalanced load amount, and taking an increased amount of detergent predetermined by the manufacturer compared to the average amount if the determined unbalanced load amount is more than the threshold unbalanced load amount.
  • the amount of detergent predetermined by the manufacturer is preferably transferred to the tub by means of a dosing member such as a valve, flowmeter, etc. provided on the detergent dispenser, and the detergent dissolution step is activated.
  • a dosing member such as a valve, flowmeter, etc. provided on the detergent dispenser, and the detergent dissolution step is activated.
  • control method comprises the steps of heating the water in the tub by activating the heater, determining the temperature of the water, and activating the detergent dissolution step when the temperature of the water reaches a limit temperature value predetermined by the manufacturer.
  • the detergent dissolution step is started after the water taken into the tub reaches the limit temperature value.
  • the limit temperature value is preferably approximately 40 degrees Celsius.
  • control method comprises increasing the number of repetitions of the detergent dissolution step if the water inlet temperature is below a value determined by the manufacturer.
  • the decrease in detergent dissolution rate is minimized by increasing the number of repetitions of the 300 rpm movement.
  • the detergent dissolution step is also applied in the rinsing step.
  • the detergent on the laundry is enabled to be dissolved more easily in water, increasing the rinsing performance.
  • control method comprises a softener taking step wherein the softener is taken from the detergent dispenser and the detergent dissolution step which is applied in the softener taking step.
  • the detergent dissolution step is also applied after the softener taking step.
  • the washing performance is enabled to be increased by increasing the dissolution rate of the detergent used in the washing machine in the water.
  • the water heated by the heater at the bottom of the washing machine is enabled to be delivered to the laundry in a shorter time and the detergent usage efficiency is improved.
  • the duration of the washing machine washing program is shortened and energy consumption is reduced.

Landscapes

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

Abstract

The present invention relates to a control method suitable for a washing machine having a drum and a motor which moves the drum.

Description

A WASHING MACHINE CONTROL METHOD WHEREIN THE DETERGENT DISSOLUTION AMOUNT IS INCREASED
The present invention relates to a washing machine control method which enables the dissolution rate of the detergent used in water.
In washing machines, the heater is located in a heater pocket. Increasing the size of the heater pocket, especially increasing the depth thereof, causes the distance between the tub and the heater to increase and detergent to accumulate at the bottom of the heater pocket. This situation adversely affects the washing performance since the detergent cannot be used efficiently during the washing.
In the state of the art Chinese Patent Applications No. CN103850087 and CN107059322, washing machines are disclosed, wherein the rotational speed of the drum is changed in order to perform the tumbling process.
The aim of the present invention is the realization of a washing machine control method which enables the dissolution rate of the detergent used in water.
The control method realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises the detergent dissolution step having the steps of taking detergent and water, then detecting the load amount, determining the unbalanced load amount predetermined by the manufacturer for the load amount, determining the water level in the washing machine, and rotating the motor at least twice consecutively at low and high speeds if the unbalanced load amount and the water level are below the value predetermined by the manufacturer.
The detergent dissolution step comprises rotating the washing machine drum motor at least once at 90 rpm and 300 rpm, consecutively.
In an embodiment of the present invention, if the unbalanced load amount is above the value determined by the manufacturer, the unbalanced load is tried to be eliminated by reducing the motor speed preferably to 40 rpm. In the preferred embodiment of the present invention, if the unbalanced load cannot be eliminated by reducing the motor speed, the washing step continues without applying the detergent dissolution step.
In another embodiment of the present invention, the control method comprises the step of measuring the foam level during the detergent dissolution step. In this embodiment of the present invention, if the foam level measured for a certain period of time is above the level determined by the manufacturer, the detergent dissolution step is ended.
In another embodiment of the present invention, the control method comprises detecting the amount of dirt and increasing the number of repetitions of the detergent dissolution step if the amount of dirt is above a level determined by the manufacturer. Accordingly, when the amount of dirt detected is high, the number of repetitions of the 300 rpm movement is increased.
In another embodiment of the present invention, the control method comprises increasing the number of repetitions of the detergent dissolution step if the water inlet temperature is below a value determined by the manufacturer. In this embodiment of the present invention, when the water inlet temperature is low, the decrease in detergent dissolution rate is minimized by increasing the number of repetitions of the 300 rpm movement.
In another embodiment of the present invention, the detergent dissolution step is also applied in the rinsing step. Thus, the detergent on the laundry is enabled to be dissolved more easily in water, increasing the rinsing performance.
By means of the present invention, the washing performance is enabled to be increased by increasing the dissolution rate of the detergent used in the washing machine in the water. By means of said control method, at the end of the heating step, the water heated by the heater at the bottom of the washing machine is enabled to be delivered to the laundry in a shorter time and the detergent usage efficiency is improved. Thus, the duration of the washing machine washing program is shortened and energy consumption is reduced. By means of the control method of the present invention, the energy performance of washing machines which do not comprise a jet pump or a flowmeter is enabled to be same as washing machines which comprises said components.
The control method is suitable for a washing machine having a tub wherein the washing process is performed, a drum which is disposed in the tub, a motor which moves the drum, a heater which heats the water in the tub and a detergent dispenser wherein the detergent to be used in the washing process is loaded, and comprises the detergent dissolution step having the steps of taking detergent and water, then detecting the load amount, determining the unbalanced load amount predetermined by the manufacturer for the load amount, determining the water level in the washing machine, and rotating the motor at least once consecutively at low speed and high speed if the unbalanced load amount and the water level are below the value predetermined by the manufacturer.
The detergent dissolution step comprises rotating the washing machine drum motor at least once at speeds below 100 rpm and at speeds above 200 rpm. In the preferred embodiment of the present invention, the detergent dissolution step comprises rotating the washing machine drum motor at least once at 90 rpm and 300 rpm, consecutively.
In an embodiment of the present invention, if the unbalanced load amount is above the value determined by the manufacturer, the unbalanced load is tried to be eliminated by reducing the motor speed preferably to 40 rpm. In the preferred embodiment of the present invention, if the unbalanced load cannot be eliminated by reducing the motor speed, the washing step continues without applying the detergent dissolution step.
In another embodiment of the present invention, the control method comprises the step of measuring the foam level during the detergent dissolution step. In this embodiment of the present invention, if the foam level measured for a certain period of time is above the level determined by the manufacturer, the detergent dissolution step is ended.
In another embodiment of the present invention, the control method comprises detecting the amount of dirt and increasing the number of repetitions of the detergent dissolution step if the amount of dirt is above a level determined by the manufacturer. Accordingly, when the amount of dirt detected is high, the number of repetitions of the 300 rpm movement is increased.
In another embodiment of the present invention, the control method comprises taking the amount of detergent predetermined by the manufacturer in the step of taking water and detergent according to the amount of unbalanced load determined in the step of determining the amount of unbalanced load. According to the detected unbalanced load amount, the amount of detergent to be taken into the drum to be used in the washing process is predetermined by the manufacturer. In a preferred version of this embodiment, the control method comprises taking an average amount of detergent predetermined by the manufacturer if the determined unbalanced load amount is less than the threshold unbalanced load amount, and taking an increased amount of detergent predetermined by the manufacturer compared to the average amount if the determined unbalanced load amount is more than the threshold unbalanced load amount. The amount of detergent predetermined by the manufacturer is preferably transferred to the tub by means of a dosing member such as a valve, flowmeter, etc. provided on the detergent dispenser, and the detergent dissolution step is activated. Thus, in cases the unbalanced load is high, the decrease in cleaning performance due to the decrease in the number of repetitions of the detergent dissolution step is prevented.
In another embodiment of the present invention, the control method comprises the steps of heating the water in the tub by activating the heater, determining the temperature of the water, and activating the detergent dissolution step when the temperature of the water reaches a limit temperature value predetermined by the manufacturer. The detergent dissolution step is started after the water taken into the tub reaches the limit temperature value. The limit temperature value is preferably approximately 40 degrees Celsius. Thus, the heated water is enabled to penetrate the laundry more effectively and the detergent is enabled to be dissolved at a higher rate, thus increasing the cleaning performance.
In another embodiment of the present invention, the control method comprises increasing the number of repetitions of the detergent dissolution step if the water inlet temperature is below a value determined by the manufacturer. In this embodiment of the present invention, when the water inlet temperature is low, the decrease in detergent dissolution rate is minimized by increasing the number of repetitions of the 300 rpm movement.
In another embodiment of the present invention, the detergent dissolution step is also applied in the rinsing step. Thus, the detergent on the laundry is enabled to be dissolved more easily in water, increasing the rinsing performance.
In another embodiment of the present invention, the control method comprises a softener taking step wherein the softener is taken from the detergent dispenser and the detergent dissolution step which is applied in the softener taking step. The detergent dissolution step is also applied after the softener taking step. Thus, the softener is more easily dissolved in water and the softening performance is increased.
By means of the present invention, the washing performance is enabled to be increased by increasing the dissolution rate of the detergent used in the washing machine in the water. By means of said control method, at the end of the heating step, the water heated by the heater at the bottom of the washing machine is enabled to be delivered to the laundry in a shorter time and the detergent usage efficiency is improved. Thus, the duration of the washing machine washing program is shortened and energy consumption is reduced.

Claims

1. A control method which is suitable for a washing machine having a tub wherein the washing process is performed, a drum which is disposed in the tub, a motor which moves the drum, a heater which heats the water in the tub and a detergent dispenser wherein the detergent to be used in the washing process is loaded, characterized by a detergent dissolution step having the steps of detecting the load amount, determining the unbalanced load amount predetermined by the manufacturer for the load amount, taking detergent and water, determining the water level in the washing machine, and rotating the motor at least once consecutively at relatively low speed and at relatively high speed if the unbalanced load amount and the water level are below the value predetermined by the manufacturer.
2. A washing machine control method as in Claim 1, characterized by the detergent dissolution step comprising rotating the washing machine drum motor at least once at speeds below 100 rpm and at speeds above 200 rpm.
3. A washing machine control method as in Claim 2, characterized by the detergent dissolution step comprising rotating the washing machine drum motor at least once at 90 rpm and 300 rpm, consecutively.
4. A washing machine control method as in any one of the above claims, characterized by the step of measuring the foam level during the detergent dissolution step.
5. A washing machine control method as in Claim 4, characterized by ending the detergent dissolution step if the foam level measured for a certain period of time is above the level determined by the manufacturer.
6. A washing machine control method as in any one of the above claims, characterized by detecting the amount of dirt and increasing the number of repetitions of the detergent dissolution step if the amount of dirt is above a level determined by the manufacturer.
7. A washing machine control method as in any one of the above claims, characterized by taking the amount of detergent predetermined by the manufacturer in the step of taking water and detergent according to the amount of unbalanced load determined in the step of determining the amount of unbalanced load.
8. A washing machine control method as in Claim 7, characterized by taking an average amount of detergent predetermined by the manufacturer if the determined unbalanced load amount is less than the threshold unbalanced load amount, and taking an increased amount of detergent predetermined by the manufacturer compared to the average amount if the determined unbalanced load amount is more than the threshold unbalanced load amount.
9. A washing machine control method as in any one of the above claims, characterized by heating the water in the tub by activating the heater, determining the temperature of the water, and activating the detergent dissolution step when the temperature of the water reaches a limit temperature value predetermined by the manufacturer.
10. A washing machine control method as in any one of the above claims, characterized by increasing the number of repetitions of the detergent dissolution step if the water inlet temperature is below a value determined by the manufacturer.
11. A washing machine control method as in any one of the above claims, characterized by the detergent dissolution step which is applied in the rinsing step.
12. A washing machine control method as in any one of the above claims, characterized by a softener taking step wherein the softener is taken from the detergent dispenser and the detergent dissolution step which is applied in the softener taking step.
EP23847650.1A 2022-12-29 2023-12-25 A washing machine control method wherein the detergent dissolution amount is increased Pending EP4642973A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR202221226 2022-12-29
PCT/TR2023/051677 WO2024144672A1 (en) 2022-12-29 2023-12-25 A washing machine control method wherein the detergent dissolution amount is increased

Publications (1)

Publication Number Publication Date
EP4642973A1 true EP4642973A1 (en) 2025-11-05

Family

ID=97301018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23847650.1A Pending EP4642973A1 (en) 2022-12-29 2023-12-25 A washing machine control method wherein the detergent dissolution amount is increased

Country Status (1)

Country Link
EP (1) EP4642973A1 (en)

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