WO2019007397A1 - 一种洗涤剂投放量精确控制方法及洗衣机 - Google Patents

一种洗涤剂投放量精确控制方法及洗衣机 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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WIPO (PCT)
Prior art keywords
detergent
space
concentration
weight
spaces
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PCT/CN2018/094669
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English (en)
French (fr)
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
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Publication of WO2019007397A1 publication Critical patent/WO2019007397A1/zh

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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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Abstract

一种洗涤剂投放量精确控制方法及洗衣机，该方法包括：将洗衣机中用于存放洗涤剂的洗涤剂盒（10）分成N个独立空间（1、2、3、4、5），每个空间用于存放不同浓度的洗涤剂；选择其中一个存储有洗涤剂的空间进行洗涤剂投放；获取洗涤衣物的重量；根据选定的空间以及洗涤衣物的重量，通过查找对应关系表确定出洗涤剂的投放量。通过对洗涤剂盒（10）进行空间划分，将不同浓度的洗涤剂存放在不同的空间中，通过选择不同空间的洗涤剂并结合洗涤衣物的重量，采用查表法确定出洗涤剂的投放量，由此实现了对不同浓度洗涤剂的投放量的精确控制，解决了因投放过量导致的洗涤剂残留、泡沫增多、需多次漂洗、费水费电等问题。

Description

一种洗涤剂投放量精确控制方法及洗衣机
相关申请的交叉引用
本申请要求于2017年7月6日提交中国专利局、申请号为201710546855.8、发明名称为“一种洗涤剂投放量精确控制方法及洗衣机”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明属于洗涤设备技术领域，具体地说，是涉及一种可以根据洗涤剂的浓度自动控制洗涤剂投放量的方法及洗衣机。
 背景技术
洗衣机是一种用于洗涤衣服及棉麻、化纤等纺织品的专用清洗设备，目前的洗衣机，无论是全自动洗衣机还是半自动洗衣机，基本上都具备了洗涤、漂洗、脱水这三方面基本功能，在一定程度上减轻了人们的劳动强度，舒适了人们的生活。并且，随着社会的发展，人们对生活品质要求的逐步提高以及对智能产品期许的不断提升，洗衣机也正在向着智能化方向快速发展。
目前的智能型洗衣机多以具备洗涤剂自动投放功能或者WiFi控制功能为主。对于具备洗涤剂自动投放功能的洗衣机来说，其可以根据洗涤衣物的重量自动判断洗涤剂的用量，进而通过自动投放装置投入相应量的洗涤剂，实现洗涤剂的自动投放功能。
但是，现在市面上的洗涤剂种类繁多，有浓度介于15%~25%之间的普通型洗涤剂、浓度介于25%~35%之间的浓缩型洗涤剂、浓度介于35%~45%之间的高浓缩型洗涤剂、浓度大于45%的超浓缩型洗涤剂等多种类型。不同类型的洗涤剂，其活性物含量不尽相同，洗涤相同重量的衣物所需要的洗涤剂的合适用量也不尽相同。而目前的智能型洗衣机往往仅依靠洗涤衣物的重量而无法结合洗涤剂的浓度来确定洗涤剂的用量，这就导致现有的智能型洗衣机在使用过程中经常会出现在投入的洗涤剂浓度偏低时，发生泡沫稀少、衣物洗涤不干净等问题；而在投入的洗涤剂浓度偏高时，发生洗涤剂残留、泡沫增多、需要增加漂洗次数、费水费电等问题。这些都会严重影响用户的洗衣体验。
 技术问题
本发明为了解决现有的洗衣机不能根据洗涤剂浓度合理地确定洗涤剂用量的问题，提出了一种可以准确控制洗涤剂投放量的方法，在保证洗涤洁净度的同时，避免出现洗涤剂残留、泡沫增多、需要增加漂洗次数、费水费电的问题。
 技术解决方案
一方面，本发明提出了一种洗涤剂投放量精确控制方法，应用在洗涤设备中，包括：将洗涤设备中用于存放洗涤剂的洗涤剂盒分成N个独立空间，每个空间用于存放不同浓度的洗涤剂；选择其中一个存储有洗涤剂的空间进行洗涤剂投放；获取洗涤衣物的重量；根据选定的空间以及洗涤衣物的重量，通过查找对应关系表确定出洗涤剂的投放量。
其中，所述对应关系表可以是关于空间编号、衣物重量、洗涤剂投放量三者的对应关系表；根据选定的空间所对应的空间编号以及洗涤衣物的重量查找所述对应关系表，确定出洗涤剂的投放量。或者，所述对应关系表可以是关于洗涤剂浓度、衣物重量、洗涤剂投放量三者的对应关系表；根据选定的空间所对应的洗涤剂浓度区间以及洗涤衣物的重量查找所述对应关系表，确定出洗涤剂的投放量。
为了方便用户准确地将洗涤剂存放入与该洗涤剂的浓度相对应的空间中，本发明在每个所述的空间分别标注洗涤剂浓度区间和/或洗涤剂类型，指示用户根据洗涤剂的实际浓度或类型选择在正确的空间存放。
优选的，所述洗涤剂类型包括M种，所述M≤N；根据M种类型的洗涤剂所对应的M个浓度范围，确定所述N个浓度区间中的M个浓度区间，以使定义的浓度区间与现有的洗涤剂类型相对应，继而进一步提高洗涤剂投放量控制的精准度。
另一方面，本发明还提出了一种洗衣机，包括洗涤剂盒、自动投放装置、电磁阀、重量检测装置和控制模块；其中，所述洗涤剂盒用于存放洗涤剂，且分成N个独立的空间，每个空间用于存放不同浓度的洗涤剂；所述自动投放装置用于对洗涤剂盒中的洗涤剂进行定量抽取及投放；所述电磁阀包括N个，一个电磁阀用于控制一个所述的空间选择性地与所述自动投放装置连通；所述重量检测装置用于检测洗衣机中的洗涤衣物的重量；所述控制模块存储有关于空间编号或洗涤剂浓度、以及衣物重量、洗涤剂投放量三者的对应关系表，在洗衣机运行洗涤程序时，所述控制模块控制其中一个存有洗涤剂的空间所对应的电磁阀打开，并接收所述重量检测装置检测到的洗涤衣物的重量，根据选定空间所对应的空间编号或选定空间所对应的洗涤剂浓度区间以及洗涤衣物的重量查找所述对应关系表，确定出洗涤剂的投放量，进而控制所述自动投放装置进行定量抽取投放。
为了方便用户准确地将洗涤剂存放入与该洗涤剂的浓度相对应的空间中，本发明在每个所述的空间分别标注有洗涤剂浓度区间和/或洗涤剂类型，指示用户根据洗涤剂的实际浓度或类型选择在正确的空间存放。
优选的，所述洗涤剂类型包括M种，所述M≤N；根据M种类型的洗涤剂所对应的M个浓度范围，确定所述N个浓度区间中的M个浓度区间，以使定义的浓度区间与现有的洗涤剂类型相对应，继而进一步提高洗涤剂投放量控制的精准度。
进一步的，在所述洗衣机中还设置有液位检测模块，安装在所述洗涤剂盒上，用于检测N个所述空间中的洗涤剂的液位，并生成液位信号发送至所述控制模块；所述控制模块根据接收到的液位信号识别存有洗涤剂的空间，若只有一个空间存有洗涤剂，则控制所述存有洗涤剂的空间的电磁阀打开，并获取该选定空间所对应的空间编号或者该选定空间所对应的洗涤剂浓度区间。即，洗衣机自动使用其存储的唯一一种洗涤剂来洗涤衣物。
又进一步的，在所述洗衣机中还设置有人机界面，用于接收用户的空间选择指令；所述控制模块在识别出有多个空间存有洗涤剂时，通过人机界面指示用户选定其中一个空间，并控制选定空间的电磁阀打开，获取该选定空间所对应的空间编号或者该选定空间所对应的洗涤剂浓度区间。即，洗衣机利用用户选定的一种浓度的洗涤剂来洗涤衣物。
 有益效果
本发明通过对洗涤剂盒进行空间划分，将不同浓度的洗涤剂存放在不同的空间中，通过选择不同空间的洗涤剂并结合洗涤衣物的重量，采用查表法确定出洗涤剂的投放量，由此实现了对不同浓度洗涤剂的投放量的精准控制，可以有效避免仅按衣物重量确定洗涤剂投放量容易出现浓缩型洗涤剂投放过量的问题，解决了因投放过量导致的洗涤剂残留、泡沫增多、需多次漂洗、费水费电等问题。
结合附图阅读本发明实施方式的详细描述后，本发明的其他特点和优点将变得更加清楚。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明所提出的洗衣机的一种实施例的部分结构示意图；
图2是图1所示洗衣机的电控部分的一种实施例的电路原理框图；
图3是本发明所提出的洗涤剂投放量精确控制方法的一种实施例的控制流程图；
图4是关于空间编号/洗涤剂浓度、衣物重量、洗涤剂投放量三者对应关系的一种实施例的对应关系图表。
 本发明的实施方式
下面结合附图对本发明的具体实施方式进行详细地描述。
本实施例为了对洗涤剂的投放量实现精确控制，采用对洗涤剂盒进行空间划分的方式，利用不同的空间存放不同浓度的洗涤剂，通过空间选择实现洗涤剂浓度的自动识别，进而结合洗涤剂的浓度以及洗涤衣物的重量两方面因素，采用查表法综合确定出洗涤剂的投放量，由此实现了不同浓度洗涤剂的适量、准确投放。
下面结合图1、图2，首先对本实施例的洗衣机的硬件结构设计进行具体阐述。
本实施例为了实现洗涤剂的自动投放功能，首先在洗衣机中设置能够存储一定容量洗涤剂的洗涤剂盒10，将所述洗涤剂盒10划分成N个独立的空间，图1示出了将洗涤剂盒10划分成五个独立空间1、2、3、4、5的示例，不同的空间用于存放不同浓度的洗涤剂。为了便于用户将不同浓度的洗涤剂准确地投放到相应的空间，本实施例优选在每一个空间标识出该空间用于存放的洗涤剂的浓度区间和/或洗涤剂类型。例如，可以将所述洗涤剂盒10划分成五个独立的空间1、2、3、4、5，第1个空间用于储存浓度<15%的低浓度洗涤剂；第2个空间用于储存浓度区间为15%~25%的普通型洗涤剂；第3个空间用于储存浓度区间为25%~35%的浓缩型洗涤剂；第4个空间用于储存浓度区间为35%~45%的高浓缩型洗涤剂；第5个空间用于储存浓度>45%的超浓缩型洗涤剂。用户根据洗涤剂外包装上标识出的浓度范围或洗涤剂类型，可以选择适合的空间将洗涤剂倒入其中，进行储存。
在对洗涤剂盒10进行空间划分时，最好结合目前市面上的洗涤剂类型合理地确定空间个数。例如，若目前市面上的洗涤剂有M种类型，则至少划分出M个空间（即，N≥M），以对应存放不同类型的洗涤剂。考虑到某些国外品牌的洗涤剂，其浓度范围可能落入到国内现有的M种类型的洗涤剂所涉及的浓度区间以外，为了提高洗衣机对各种浓度洗涤剂的适用性，优选设定N>M，即，空间个数N大于洗涤剂的类型数量M，以使各种浓度的洗涤剂都有合适的空间进行存放。此外，在对不同空间进行浓度区间定义时，优选按照M种类型的洗涤剂所对应的浓度范围确定N个浓度区间中的M个浓度区间，以使定义出的M个浓度区间与现有的洗涤剂类型相对应，继而提高洗涤剂投放量控制的精准度。此外，在用于存放所述M个浓度区间的洗涤剂的空间标注上相应的浓度区间以及洗涤剂类型，以便于用户在向洗涤剂盒10中补充洗涤剂时，能够更加明确存放位置。例如，对于目前国内市面上的四种类型的洗涤剂，其浓度范围分别为普通型：15%~25%；浓缩型：25%~35%；高浓缩型：35%~45%；超浓缩型：>45%。因此，在对洗涤剂盒10进行空间划分时，优选将洗涤剂盒10划分成五个空间，且其中四个空间分别用于存放的浓度区间分别为15%~25%、25%~35%、35%~45%、>45%的洗涤剂，即，与四种类型的洗涤剂的浓度范围相一致，剩余一个空间可以用于存放浓度<15%的洗涤剂，以满足各种浓度洗涤剂的投放要求。对于外包装上没有明确标注出浓度范围的洗涤剂，可以存放在浓度<15%的空间中，以首先满足衣物洗涤洁净度的基本要求。
在每一个空间的出液口上或者连接出液口的管路上分别安装一个电磁阀，例如，对于划分成五个空间的洗涤剂盒10来说，则需要使用五个电磁阀51、52、53、54、55分别与所述的五个独立空间1、2、3、4、5一一对应连通，通过控制不同的电磁阀51/52/53/54/55导通，以选择不同空间1/2/3/4/5的洗涤剂投放。
为了实现洗涤剂的定量投放，在所述洗衣机中还设置有自动投放装置20，如图1所示。具体来讲，可以将自动投放装置20的入口通过N路进液管分别与所述的N个独立空间对应连接，在每一路进液管上分别安装一个所述的电磁阀51/52/53/54/55，通过控制其中一个电磁阀51/52/53/54/55打开，以控制连接该电磁阀的空间与所述的自动投放装置20连通，进而利用自动投放装置20对该空间储存的洗涤剂进行定量抽取和投放。所述自动投放装置20可以采用多种方式设计而成，例如文丘里管负压定量抽取方式、定量泵自动抽取方式等，都可以在投放量上保证理想的控制精度。将通过自动投放装置20定量抽取的洗涤剂投放至洗涤槽30或者首先投放至连通洗涤槽30的进水管路60中，使洗涤剂在进水管路60中被注入的自来水稀释后，再注入到洗涤槽30中，这样更有利于洗涤剂在洗衣机中的溶解和稀释。
为了对洗涤剂盒10中是否存储有洗涤剂实现自动检测，本实施例在所述洗涤剂盒10上还安装有液位检测模块40，如图1所示，用于检测每个空间中的洗涤剂的液位变化，并生成液位信号，发送至洗衣机电脑板上的控制模块70，结合图2所示，以实现不同空间中的洗涤剂存储量的自动识别。
作为本实施例的一种优选设计方案，可以在每一个空间1/2/3/4/5分别安装一个液位检测模块41/42/43/44/45。通过对不同空间1/2/3/4/5的洗涤剂进行液位检测，一方面可以在所有空间的洗涤剂即将用尽时，及时提醒用户向洗涤剂盒10中补充洗涤剂；另一方面，控制模块70根据每个空间的液位高度，可以自动识别出哪个空间存储有洗涤剂。若只有一个空间存储有洗涤剂，则洗衣机在运行洗涤程序时，控制模块70可以自动控制与该空间连通的电磁阀打开，利用自动投放装置20对该空间的洗涤剂进行定量抽取和投放。而若控制模块70检测到有多个空间存储有洗涤剂时，可以将存储有洗涤剂的空间所对应的空间编号或者洗涤剂浓度区间或者洗涤剂类型显示在洗衣机的人机界面90上，以提示用户进行空间选择。此时，用户可以在人机界面90上选择一种洗涤剂，控制模块70根据人机界面90接收到的空间选择指令，识别出用户选定的空间，进而控制与该选定空间相连通的电磁阀打开，使自动投放装置20从该选定空间中抽取适当容量的洗涤剂并投放到洗涤槽30中。
此外，本实施例在洗涤槽30上还安装有重量检测模块80，用于检测投放入洗衣机中的洗涤衣物的重量m，并发送至所述的控制模块70，如图2所示。在所述控制模块70中可以采用编程的方式预先写入关于洗涤剂浓度、衣物重量、洗涤剂投放量三者的对应关系表，或者关于空间编号、衣物重量、洗涤剂投放量三者的对应关系表，如图4所示，供***在运行洗涤程序中调用，进而根据选定空间的编号或者选定空间所对应的洗涤剂浓度区间以及洗涤衣物的重量m查找所述的对应关系表，继而确定出洗涤剂的投放量Vn，发送至自动投放装置20，以实现对选定空间内的洗涤剂的定量投放。
对于目前的洗衣机来说，由于不同型号的洗衣机，其额定洗涤容量不尽相同，因此，本实施例在设计所述的对应关系表时，可以按照洗衣机的额定洗涤容量将衣物重量划分成P个档。所述P个档可以采用对额定洗涤容量等分的方式确定，也可以以2公斤为一档，划分成P个档。例如，对于8公斤的洗衣机来说，可以划分成0~2公斤、2~4公斤、4~6公斤、6~8公斤四个档；对于7公斤的洗衣机来说，可以划分成0~2公斤、2~4公斤、4~6公斤、6~7公斤四个档；而对于6公斤的洗衣机来说，则可以划分成0~2公斤、2~4公斤、4~6公斤三个档；以此类推。对于投入到洗衣机中的洗涤衣物的重量m超过洗衣机额定洗涤容量的情况，则可以将其划分到最高档进行处理。
图4所示了一种将洗涤剂盒10划分成五个空间，（每个空间的空间编号依次为A、B、C、D、E，其对应的浓度区间依次为：<15%、15%~25%、25%~35%、35%~45%、>45%，），衣物重量划分成4档（分别为：0~2公斤、2~4公斤、4~6公斤、6~8公斤）的对应关系表，由此便可以对应出20个洗涤剂投放量Vn，对应关系表中的每一个洗涤剂投放量Vn都可以采用试验的方式确定。图4中所示出的洗涤剂投放量Vn的单位为毫升。
下面结合图1、图2所示的硬件结构，对本实施例的洗衣机所执行的洗涤剂投放量精确控制方法进行具体阐述。
如图3所示，包括以下步骤：
S301、洗衣机上电初始化，等待用户选择所需的运行程序。
S302、洗衣机在每次运行洗涤程序时，执行后续步骤。
S303、检测洗涤剂盒10中存储有洗涤剂的空间；
在本实施例中，洗衣机电脑板上的控制模块70在每次检测到洗衣机进入洗涤程序时，首先启动液位检测模块40检测洗涤剂盒10中每一个空间的液位，进而根据液位高度判断出哪个空间存储有洗涤剂。
S304、确定使用哪个空间的洗涤剂；
在本实施例中，若控制模块70检测到只有一个空间存储有洗涤剂，则直接控制与该空间相连通的电磁阀打开，使该空间与自动投放装置20连通。若控制模块70检测到有多个空间存储有洗涤剂，则将存储有洗涤剂的空间所对应的空间编号或者洗涤剂类型或者洗涤剂浓度区间显示在人机界面90上，供用户选择。用户根据需要，选择其中一个空间，控制模块70根据用户选定的空间，自动控制与该选定空间相连通的电磁阀打开，进而使该选定空间与自动投放装置20连通。
S305、根据选定的空间，获取该选定空间所对应的空间编号或者浓度区间；
S306、检测洗涤衣物的重量m；
在本实施例中，可以利用重量检测模块80检测投入到洗衣机中的洗涤衣物的重量m，并传输至控制模块70，以确定出洗涤衣物的重量m在对应关系表中所处的档位。
S307、结合选定空间所对应的空间编号或者浓度区间以及洗涤衣物的重量m，查找对应关系表，确定出洗涤剂的投放量Vn；
在本实施例中，所述控制模块70根据所述选定空间所对应的空间编号或者浓度区间以及洗涤衣物的重量m所处的档位，查找其存储的对应关系表，如图4所示，从中获取与之对应的洗涤剂投放量Vn。
S308、根据洗涤剂的投放量Vn，控制自动投放装置20定量投放选定空间中的洗涤剂；
在本实施例中，所述控制模块70根据计算出的洗涤剂投放量Vn，控制自动投放装置20从选定的空间抽取出容量为Vn的洗涤剂，并投放入洗涤槽30或者进水管路60中，以实现洗涤剂的定量投放。
S309、进入正常的洗涤程序。
本发明采用对洗涤剂盒进行空间划分的方式识别洗涤剂的浓度，结合洗涤剂的浓度和洗涤衣物的重量，采用查表法确定洗涤剂的投放量，方案简单，可实施性强，实现了洗涤剂投放量的精确控制。当然，本发明的洗涤剂投放量精确控制方法也可以应用在除洗衣机以外的其他洗涤设备中，同样可以获得相同或者相似的技术效果。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (10)

  1. 一种洗涤剂投放量精确控制方法，应用在洗涤设备中，其特征在于，
    将洗涤设备中用于存放洗涤剂的洗涤剂盒分成N个独立空间，每个空间用于存放不同浓度的洗涤剂；
    选择其中一个存储有洗涤剂的空间进行洗涤剂投放；
    获取洗涤衣物的重量；
    根据选定的空间以及洗涤衣物的重量，通过查找对应关系表确定出洗涤剂的投放量。
  2. 根据权利要求1所述的洗涤剂投放量精确控制方法，其特征在于，所述对应关系表是关于空间编号、衣物重量、洗涤剂投放量三者的对应关系表；根据选定的空间所对应的空间编号以及洗涤衣物的重量查找所述对应关系表，确定出洗涤剂的投放量。
  3. 根据权利要求1所述的洗涤剂投放量精确控制方法，其特征在于，所述对应关系表是关于洗涤剂浓度、衣物重量、洗涤剂投放量三者的对应关系表；根据选定的空间所对应的洗涤剂浓度区间以及洗涤衣物的重量查找所述对应关系表，确定出洗涤剂的投放量。
  4. 根据权利要求1至3中任一项所述的洗涤剂投放量精确控制方法，其特征在于，在每个所述的空间标注洗涤剂浓度区间和/或洗涤剂类型，指示用户根据洗涤剂的实际浓度或类型选择在正确的空间存放。
  5. 根据权利要求4所述的洗涤剂投放量精确控制方法，其特征在于，所述洗涤剂类型包括M种，所述M≤N；根据M种类型的洗涤剂所对应的M个浓度范围，确定所述N个浓度区间中的M个浓度区间。
  6. 一种洗衣机，其特征在于，包括：
    洗涤剂盒，其用于存放洗涤剂，且分成N个独立的空间，每个空间用于存放不同浓度的洗涤剂；
    自动投放装置，其用于对洗涤剂盒中的洗涤剂进行定量抽取及投放；
    电磁阀，其包括N个，一个电磁阀用于控制一个所述的空间选择性地与所述自动投放装置连通；
    重量检测装置，其用于检测洗衣机中的洗涤衣物的重量m；
    控制模块，其存储有关于空间编号或洗涤剂浓度、以及衣物重量、洗涤剂投放量三者的对应关系表，在洗衣机运行洗涤程序时，所述控制模块控制其中一个存有洗涤剂的空间所对应的电磁阀打开，并接收所述重量检测装置检测到的洗涤衣物的重量，根据选定空间所对应的空间编号或选定空间所对应的洗涤剂浓度区间以及洗涤衣物的重量查找所述对应关系表，确定出洗涤剂的投放量，进而控制所述自动投放装置进行定量抽取投放。
  7. 根据权利要求6所述的洗衣机，其特征在于，在每个所述的空间标注有洗涤剂浓度区间和/或洗涤剂类型，指示用户根据洗涤剂的实际浓度或类型选择在正确的空间存放。
  8. 根据权利要求7所述的洗衣机，其特征在于，所述洗涤剂类型包括M种，所述M≤N；根据M种类型的洗涤剂所对应的M个浓度范围，确定所述N个浓度区间中的M个浓度区间。
  9. 根据权利要求6至8中任一项所述的洗衣机，其特征在于，还包括：
    液位检测模块，其安装在所述洗涤剂盒上，用于检测N个所述空间中的洗涤剂的液位，并生成液位信号发送至所述控制模块；所述控制模块根据接收到的液位信号识别存有洗涤剂的空间，若只有一个空间存有洗涤剂，则控制所述存有洗涤剂的空间的电磁阀打开，并获取该选定空间所对应的空间编号或者该选定空间所对应的洗涤剂浓度区间。
  10. 根据权利要求9所述的洗衣机，其特征在于，还包括：
    人机界面，其用于接收用户的空间选择指令；所述控制模块在识别出有多个空间里存有洗涤剂时，通过人机界面指示用户选定其中一个空间，并控制选定空间的电磁阀打开，获取该选定空间所对应的空间编号或者该选定空间所对应的洗涤剂浓度区间。
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