WO2019007397A1 - Procédé permettant de commander précisément la quantité d'un détergent devant être délivré et lave-linge - Google Patents

Procédé permettant de commander précisément la quantité d'un détergent devant être délivré et lave-linge Download PDF

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Publication number
WO2019007397A1
WO2019007397A1 PCT/CN2018/094669 CN2018094669W WO2019007397A1 WO 2019007397 A1 WO2019007397 A1 WO 2019007397A1 CN 2018094669 W CN2018094669 W CN 2018094669W WO 2019007397 A1 WO2019007397 A1 WO 2019007397A1
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WO
WIPO (PCT)
Prior art keywords
detergent
space
concentration
weight
spaces
Prior art date
Application number
PCT/CN2018/094669
Other languages
English (en)
Chinese (zh)
Inventor
李冬
郝世龙
张静静
劳春峰
许升
邓金柱
Original Assignee
青岛海尔洗衣机有限公司
青岛海尔智能技术研发有限公司
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.)
Filing date
Publication date
Application filed by 青岛海尔洗衣机有限公司, 青岛海尔智能技术研发有限公司 filed Critical 青岛海尔洗衣机有限公司
Publication of WO2019007397A1 publication Critical patent/WO2019007397A1/fr

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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
    • D06F33/37—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
    • 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 
    • D06F39/02—Devices for adding soap or other washing agents
    • 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
    • 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
    • D06F2103/18—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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state

Definitions

  • the invention belongs to the technical field of washing equipment, and in particular to a method and a washing machine capable of automatically controlling the amount of detergent to be dispensed according to the concentration of the detergent.
  • the washing machine is a special cleaning device for washing clothes, cotton, linen, chemical fiber and other textiles.
  • the current washing machine whether it is a fully automatic washing machine or a semi-automatic washing machine, basically has the basic functions of washing, rinsing and dehydrating. To a certain extent, it has reduced people's labor intensity and comforted people's lives. Moreover, with the development of society, the gradual improvement of people's quality of life requirements and the continuous improvement of the expectations of smart products, washing machines are also rapidly developing towards the direction of intelligence.
  • smart washing machines are mainly equipped with automatic detergent delivery or WiFi control.
  • the amount of the detergent can be automatically determined according to the weight of the laundry, and the corresponding amount of the detergent is put into the automatic dispensing device to realize the automatic delivery function of the detergent.
  • the invention solves the problem that the existing washing machine can not reasonably determine the amount of detergent according to the detergent concentration, and proposes a method for accurately controlling the amount of detergent to be delivered, thereby avoiding detergent residue while ensuring washing cleanliness. Increased foam, the need to increase the number of rinsing, water and electricity charges.
  • the present invention provides a precise control method for detergent dosage, which is applied to a washing device, comprising: dividing a detergent box for storing detergent in a washing device into N independent spaces, each space for storing Different concentrations of detergent; select one of the spaces in which the detergent is stored for detergent delivery; obtain the weight of the laundry; and determine the amount of detergent to be dispensed by finding the correspondence table according to the selected space and the weight of the laundry.
  • the correspondence table may be a correspondence table between the space number, the weight of the laundry, and the amount of the detergent.
  • the corresponding relationship table is searched according to the space number corresponding to the selected space and the weight of the laundry.
  • the amount of detergent delivered may be a correspondence table of detergent concentration, laundry weight, and detergent dosage; and the corresponding relationship is searched according to the detergent concentration interval corresponding to the selected space and the weight of the laundry. The table determines the amount of detergent delivered.
  • the present invention In order to facilitate the user to accurately store the detergent into the space corresponding to the concentration of the detergent, the present invention respectively marks the detergent concentration interval and/or the detergent type in each of the spaces, indicating the user according to the detergent. The actual concentration or type selection is stored in the correct space.
  • the detergent type includes M species, and the M ⁇ N; determining M concentration intervals in the N concentration intervals according to M concentration ranges corresponding to the M types of detergents, so as to define The concentration interval corresponds to the existing detergent type, which in turn further increases the accuracy of the detergent delivery control.
  • the present invention also provides a washing machine comprising a detergent box, an automatic dispensing device, a solenoid valve, a weight detecting device and a control module; wherein the detergent box is used for storing detergent and is divided into N independent Space for each of the different concentrations of detergent; the automatic dispensing device is used for quantitative extraction and delivery of detergent in the detergent box; the solenoid valve comprises N, one solenoid valve for control One such space is selectively in communication with the automatic dispensing device; the weight detecting device is configured to detect the weight of the laundry in the washing machine; the control module stores the space number or detergent concentration, and the weight of the laundry, a correspondence table of three detergent amounts, when the washing machine runs the washing program, the control module controls the solenoid valve corresponding to one of the detergent-containing spaces to be opened, and receives the washing clothes detected by the weight detecting device The weight, according to the space number corresponding to the selected space or the detergent concentration interval corresponding to the selected space and the washing clothes By weight of searching in the correspondence table, it
  • the present invention is respectively marked with a detergent concentration interval and/or a detergent type in each of the spaces, indicating the user according to the detergent.
  • the actual concentration or type of choice is stored in the correct space.
  • the detergent type includes M species, and the M ⁇ N; determining M concentration intervals in the N concentration intervals according to M concentration ranges corresponding to the M types of detergents, so as to define The concentration interval corresponds to the existing detergent type, which in turn further increases the accuracy of the detergent delivery control.
  • a liquid level detecting module is further disposed in the washing machine, and is installed on the detergent box for detecting a liquid level of the detergent in the N spaces, and generating a liquid level signal to be sent to the a control module; the control module identifies a space in which the detergent is stored according to the received liquid level signal, and if only one space contains the detergent, the solenoid valve that controls the space in which the detergent is stored is opened, and the selection is obtained The space number corresponding to the fixed space or the detergent concentration interval corresponding to the selected space. That is, the washing machine automatically washes the laundry using the only one of its stored detergents.
  • a human machine interface is further disposed in the washing machine for receiving a space selection instruction of the user; and the control module instructs the user to select through the human machine interface when identifying that there are multiple spaces in which the detergent is stored A space, and the solenoid valve controlling the selected space is opened, and the space number corresponding to the selected space or the detergent concentration interval corresponding to the selected space is obtained. That is, the washing machine washes the laundry with a concentration of detergent selected by the user.
  • the invention divides the detergent box into different spaces by storing the detergent boxes in different spaces, and determines the amount of the detergent to be dispensed by using a table lookup method by selecting detergents of different spaces and combining the weight of the washing clothes.
  • the precise control of the dosage of the different concentrations of the detergent is realized, and the problem that the detergent dosage is easily determined by the weight of the laundry and the excessive concentration of the concentrated detergent is easily solved, and the detergent residue caused by the excessive application is solved. Increased foam, multiple rinses, water and electricity charges.
  • FIG. 1 is a partial structural schematic view of an embodiment of a washing machine provided by the present invention.
  • FIG. 2 is a circuit block diagram showing an embodiment of an electronic control portion of the washing machine of Figure 1;
  • FIG. 3 is a control flow chart of an embodiment of a method for accurately controlling detergent dosage according to the present invention.
  • FIG. 4 is a correspondence diagram of an embodiment of a correspondence relationship between a space number/detergent concentration, a laundry weight, and a detergent dispensing amount.
  • this embodiment adopts a method of spatially dividing the detergent box, uses different spaces to store different concentrations of detergent, and realizes automatic identification of detergent concentration through space selection, and then combines washing.
  • the concentration of the agent and the weight of the laundry are determined by the look-up table method to determine the amount of detergent to be dispensed, thereby achieving proper and accurate delivery of different concentrations of detergent.
  • the detergent box 10 capable of storing a certain amount of detergent is first disposed in the washing machine, and the detergent box 10 is divided into N independent spaces, and FIG. 1 shows The detergent box 10 is divided into five separate spaces 1, 2, 3, 4, 5, with different spaces for storing different concentrations of detergent.
  • the present embodiment preferably identifies the concentration interval and/or detergent type of the detergent for storing the space in each space.
  • the detergent box 10 can be divided into five separate spaces 1, 2, 3, 4, 5, the first space for storing low concentration detergents having a concentration ⁇ 15%; the second space for Store the normal detergent with a concentration range of 15% ⁇ 25%; the third space is used to store concentrated detergent with concentration range of 25% ⁇ 35%; the fourth space is used for storage concentration range of 35% ⁇ 45 % of highly concentrated detergent; the fifth space is used to store ultra-concentrated detergents with concentrations >45%.
  • the concentration range or the type of detergent identified on the outer packaging of the detergent the user can select a suitable space to pour the detergent into the storage.
  • the number of spaces in combination with the type of detergent currently available on the market it is preferable to reasonably determine the number of spaces in combination with the type of detergent currently available on the market. For example, if there are currently M types of detergents on the market, at least M spaces (i.e., N ⁇ M) are divided to store different types of detergents. Considering the detergent range of some foreign brands, the concentration range may fall outside the concentration range involved in the existing M types of detergents in the country. In order to improve the applicability of the washing machine to various concentrations of detergent, it is preferred to set N>M, that is, the number N of the spaces is larger than the type M of the detergent, so that the detergents of various concentrations have a suitable space for storage.
  • the concentration ranges are: normal type: 15% ⁇ 25%; concentrated type: 25% ⁇ 35%; high concentrated type: 35% ⁇ 45%; super concentrated Type: >45%.
  • the detergent box 10 when the detergent box 10 is spatially divided, the detergent box 10 is preferably divided into five spaces, and the concentration intervals of the four spaces for storage are respectively 15% to 25%, 25% to 35%. 35% ⁇ 45%,>45% detergent, that is, consistent with the concentration range of the four types of detergents, the remaining space can be used to store detergents with a concentration of ⁇ 15% to meet various concentrations of detergent Dispensing requirements for the agent. For detergents that do not have a clearly indicated concentration range on the outer packaging, they can be stored in a space of ⁇ 15% concentration to first meet the basic requirements for laundry cleanliness.
  • a solenoid valve is installed on each of the outlets of the space or the line connecting the outlets.
  • five solenoid valves 51, 52, 53 are required.
  • 54, 55 respectively communicate with the five independent spaces 1, 2, 3, 4, 5, one by one, and control different solenoid valves 51/52/53/54/55 to control different spaces 1 /2/3/4/5 detergent delivery.
  • an automatic dispensing device 20 is also provided in the washing machine, as shown in FIG.
  • the inlet of the automatic dispensing device 20 can be respectively connected to the N independent spaces through the N-way inlet pipe, and one of the solenoid valves 51/52/53 is respectively installed on each of the inlet pipes. /54/55, by controlling one of the solenoid valves 51/52/53/54/55 to open, to control the space connecting the solenoid valves to communicate with the automatic dispensing device 20, and then to store the space by the automatic dispensing device 20.
  • the detergent is quantitatively extracted and dispensed.
  • the automatic dispensing device 20 can be designed in various ways, such as a venturi negative pressure quantitative extraction method, a quantitative pump automatic extraction method, etc., all of which can ensure an ideal control precision in the dosage.
  • the detergent quantitatively extracted by the automatic dispensing device 20 is placed in the washing tank 30 or firstly introduced into the water inlet pipe 60 that communicates with the washing tank 30, and the tap water injected into the water inlet pipe 60 is diluted and then injected into the water. In the washing tank 30, this is more advantageous for the dissolution and dilution of the detergent in the washing machine.
  • the liquid level detecting module 40 is further mounted on the detergent box 10 in the embodiment, as shown in FIG.
  • the level of the detergent changes and a level signal is generated and sent to the control module 70 on the washing machine computer board, as shown in Figure 2, to achieve automatic identification of the amount of detergent storage in different spaces.
  • a liquid level detecting module 41/42/43/44/45 can be installed in each space 1/2/3/4/5.
  • the control module 70 can automatically recognize which space stores the detergent based on the liquid level height of each space. If only one space stores detergent, the control module 70 can automatically control the opening of the solenoid valve in communication with the space when the washing program is running, and quantitatively extract and dispense the detergent in the space by the automatic dispensing device 20.
  • the control module 70 detects that there are a plurality of spaces in which the detergent is stored, the space number or the detergent concentration interval or the detergent type corresponding to the space in which the detergent is stored may be displayed on the human-machine interface 90 of the washing machine. Prompt the user to make a space selection. At this time, the user can select a detergent on the human machine interface 90, and the control module 70 recognizes the space selected by the user according to the space selection instruction received by the human machine interface 90, thereby controlling the connection with the selected space. The solenoid valve is opened to allow the automatic dispensing device 20 to draw a suitable volume of detergent from the selected space and dispense it into the sink 30.
  • a weight detecting module 80 is further mounted on the washing tub 30 for detecting the weight m of the laundry laundry put into the washing machine, and is sent to the control module 70 as shown in FIG. 2 .
  • a correspondence table regarding the detergent concentration, the weight of the laundry, and the amount of the detergent can be written in advance, or the correspondence between the space number, the weight of the laundry, and the amount of the detergent can be written.
  • the relationship table as shown in FIG. 4, is called by the system in the running washing program, and further searches for the corresponding relationship table according to the number of the selected space or the detergent concentration interval corresponding to the selected space and the weight m of the laundry.
  • the amount of detergent Vn is then determined and sent to the automatic dispensing device 20 to effect metered dispensing of the detergent in the selected space.
  • the rated washing capacity of the different types of washing machines is not the same. Therefore, in designing the corresponding relationship table, the weight of the laundry can be divided into P according to the rated washing capacity of the washing machine. files.
  • the P gears may be determined by dividing the rated washing capacity into equal parts, or may be divided into P gears by taking 2 kg as a gear.
  • an 8 kg washing machine it can be divided into 4 files of 0 ⁇ 2 kg, 2 ⁇ 4 kg, 4 ⁇ 6 kg, 6 ⁇ 8 kg; for a 7 kg washing machine, it can be divided into 0 ⁇ 2 For kilograms, 2 to 4 kilograms, 4 to 6 kilograms, and 6 to 7 kilograms, for 6 kilograms, it can be divided into 3 to 2 kilograms, 2 to 4 kilograms, and 4 to 6 kilograms. And so on.
  • the weight m of the laundry to be put into the washing machine exceeds the rated washing capacity of the washing machine, it can be divided into the highest grade for processing.
  • Figure 4 shows a method of dividing the detergent box 10 into five spaces.
  • the space number of each space is A, B, C, D, E in order, and the corresponding concentration intervals are: ⁇ 15%, 15 % ⁇ 25%, 25% ⁇ 35%, 35% ⁇ 45%, >45%,
  • the weight of the clothes is divided into 4 files (0 ⁇ 2 kg, 2 ⁇ 4 kg, 4 ⁇ 6 kg, 6 ⁇ respectively)
  • the correspondence table of 8 kg) can thus correspond to 20 detergent dispensing amounts Vn, and each detergent dispensing amount Vn in the correspondence table can be determined experimentally.
  • the unit of the detergent delivery amount Vn shown in Fig. 4 is milliliter.
  • the washing machine is powered on and initialized, waiting for the user to select a desired running program.
  • the washing machine performs the subsequent steps each time the washing program is run.
  • control module 70 on the washing machine computer board first activates the liquid level detecting module 40 to detect the liquid level of each space in the detergent box 10 every time the washing machine is detected to enter the washing program, and further according to the liquid level height. Determine which space stores the detergent.
  • the control module 70 detects that only one space stores the detergent, the solenoid valve that is in communication with the space is directly controlled to open, and the space is communicated with the automatic dispensing device 20. If the control module 70 detects that there are a plurality of spaces in which the detergent is stored, the space number or the detergent type or the detergent concentration interval corresponding to the space in which the detergent is stored is displayed on the human-machine interface 90 for the user to select. The user selects one of the spaces according to the need, and the control module 70 automatically controls the opening of the solenoid valve connected to the selected space according to the space selected by the user, thereby connecting the selected space with the automatic dispensing device 20.
  • the weight m of the laundry that is put into the washing machine can be detected by the weight detecting module 80 and transmitted to the control module 70 to determine the gear position in which the weight m of the laundry is in the correspondence table.
  • control module 70 searches for the stored correspondence table according to the space number or the concentration interval corresponding to the selected space and the gear position of the laundry m, as shown in FIG. 4 . From which the detergent amount Vn corresponding thereto is obtained.
  • control module 70 controls the automatic dispensing device 20 to extract the detergent having the capacity Vn from the selected space according to the calculated detergent dosage Vn, and put it into the washing tank 30 or the water inlet pipeline. 60, in order to achieve the quantitative delivery of detergent.
  • the invention adopts the method of spatially dividing the detergent box to identify the concentration of the detergent, and combines the concentration of the detergent and the weight of the laundry to determine the dosage of the detergent by using the look-up table method, the scheme is simple, and the implementability is strong, and the realization is achieved. Precise control of detergent delivery.
  • the precise control method of the detergent dosage amount of the present invention can also be applied to other washing apparatuses other than the washing machine, and the same or similar technical effects can be obtained as well.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

L'invention concerne un procédé permettant de commander précisément la quantité d'un détergent devant être délivré et un lave-linge. Le procédé comprend les étapes consistant à : diviser une boîte à détergents (10) utilisée pour stocker des détergents dans un lave-linge en N espaces indépendants (1, 2, 3, 4, 5), chaque espace servant à stocker un détergent ayant une concentration différente ; sélectionner un espace dans lequel un détergent est stocké afin de délivrer le détergent ; obtenir le poids des vêtements devant être lavés ; et, en fonction d'un espace sélectionné et du poids des vêtements devant être lavés, déterminer la quantité du détergent devant être délivré en consultant une table de correspondance. Diviser la boîte à détergents (10) en espaces permet de stocker dans des espaces différents des détergents ayant des concentrations différentes. Sélectionner des détergents dans des espaces en association avec le poids des vêtements devant être lavés permet de déterminer les quantités des détergents devant être délivrés grâce à un procédé de consultation de table, de sorte que les quantités des détergents devant être délivrés et ayant des concentrations différentes sont commandées précisément. Les problèmes liés aux résidus des détergents, aux bulles de plus en plus nombreuses et aux multiples fois où un rinçage s'impose, et donc une forte consommation d'eau et de courant, à cause d'une délivrance excessive de détergents sont donc réglés.
PCT/CN2018/094669 2017-07-06 2018-07-05 Procédé permettant de commander précisément la quantité d'un détergent devant être délivré et lave-linge WO2019007397A1 (fr)

Applications Claiming Priority (2)

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CN201710546855.8 2017-07-06
CN201710546855.8A CN109208264A (zh) 2017-07-06 2017-07-06 一种洗涤剂投放量精确控制方法及洗衣机

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CN113529340A (zh) * 2020-04-16 2021-10-22 青岛海尔洗衣机有限公司 一种洗衣机及其投放衣物处理剂的控制方法

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WO2022121925A1 (fr) * 2020-12-09 2022-06-16 青岛海尔滚筒洗衣机有限公司 Boîte de stockage de liquide, module de distribution et appareil de traitement du linge
CN113308850B (zh) * 2021-05-25 2023-09-12 上海科驭健康科技有限公司 一种小型家居智能洗衣机
CN114438722A (zh) * 2021-12-31 2022-05-06 珠海格力电器股份有限公司 洗涤剂投放方法、装置、存储介质及电子设备
CN114457549B (zh) * 2022-03-07 2022-12-13 珠海格力电器股份有限公司 一种具有自动投放功能的洗衣机及控制方法
CN114875628A (zh) * 2022-04-24 2022-08-09 无锡小天鹅电器有限公司 洗涤剂投放方法、装置、设备及介质

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CN105088688A (zh) * 2014-04-22 2015-11-25 无锡小天鹅股份有限公司 洗衣机及其自动投放系统
CN106222958A (zh) * 2016-08-31 2016-12-14 无锡小天鹅股份有限公司 用于洗衣机的洗涤剂投放装置、洗涤剂瓶及洗衣机
CN106222955A (zh) * 2016-08-31 2016-12-14 无锡小天鹅股份有限公司 洗衣机的自动投放系统和具有其的洗衣机

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CN111270479A (zh) * 2020-02-03 2020-06-12 青岛海尔洗衣机有限公司 用于洗衣机的自动投放控制方法
CN111270479B (zh) * 2020-02-03 2024-03-08 青岛海尔洗衣机有限公司 用于洗衣机的自动投放控制方法
CN113529340A (zh) * 2020-04-16 2021-10-22 青岛海尔洗衣机有限公司 一种洗衣机及其投放衣物处理剂的控制方法
CN113529340B (zh) * 2020-04-16 2024-01-19 青岛海尔洗衣机有限公司 一种洗衣机及其投放衣物处理剂的控制方法

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