WO2015039466A1 - Machine à laver les vêtements, ensemble de suspension et capteur de poids optoélectronique - Google Patents

Machine à laver les vêtements, ensemble de suspension et capteur de poids optoélectronique Download PDF

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Publication number
WO2015039466A1
WO2015039466A1 PCT/CN2014/079653 CN2014079653W WO2015039466A1 WO 2015039466 A1 WO2015039466 A1 WO 2015039466A1 CN 2014079653 W CN2014079653 W CN 2014079653W WO 2015039466 A1 WO2015039466 A1 WO 2015039466A1
Authority
WO
WIPO (PCT)
Prior art keywords
elastic member
washing machine
housing
machine according
load sensor
Prior art date
Application number
PCT/CN2014/079653
Other languages
English (en)
Chinese (zh)
Inventor
黄升野
吴刚
康菲
殷培杰
周薇
Original Assignee
无锡小天鹅股份有限公司
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.)
Filing date
Publication date
Priority claimed from CN201410020640.9A external-priority patent/CN103850095B/zh
Application filed by 无锡小天鹅股份有限公司 filed Critical 无锡小天鹅股份有限公司
Publication of WO2015039466A1 publication Critical patent/WO2015039466A1/fr

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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • 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

Definitions

  • the present invention relates to the field of home appliance manufacturing technology, and in particular to an optical load cell for a washing machine, a boom assembly for the washing machine having the photoelectric load cell for the washing machine, and a boom having the same for the washing machine Component washing machine. Background technique
  • a spring having a fixed ⁇ value is used in conjunction with a photoelectric displacement sensor to sense a change in the force applied to the boom, thereby judging a change in weight in the washing tub.
  • This solution has one drawback: Since the weight of the washing tub is greatly increased after the laundry is put in and the water is fed in, this requires a large range of the sensor.
  • the internal spring of the sensor needs to use a spring with a large ⁇ value, that is, a hard spring. This will result in a decrease in the accuracy of the sensor. Due to the light weight of the dry cloth, it is easy to misjudge when weighing. Summary of the invention
  • the present invention aims to solve at least one of the technical problems in the related art to some extent.
  • An optical load cell for a washing machine includes: a lower case; an upper case, the upper case being connectable to the lower case so as to be movable up and down; a light emitting end and a light receiving end, The light emitting end and the light receiving end are spaced apart from each other on the lower surface of the upper casing or the upper surface of the lower casing; a light reflecting platform, the light reflecting platform is disposed on the upper surface of the lower casing Or a lower surface of the upper casing and corresponding to the light emitting end and the light receiving end; the first elastic member, the first elastic member is spaced apart from the lower casing and the upper casing Between the first elastic member having a modulus of elasticity K1; and a second elastic member disposed between the lower casing and the upper casing to constantly push the upper casing Far from the lower casing, wherein the elastic modulus of the second
  • an optical load cell for a washing machine the first elastic member is disposed between the lower casing and the upper casing, and the second elastic member is disposed at the lower casing And moving the upper casing away from the lower casing with the upper casing.
  • the deformation amount of the second elastic member is used to sense the load, and for the heavy load, the utility can be utilized.
  • the amount of deformation of the second elastic member and the amount of deformation of the first elastic member sense the load, and the weighing accuracy is improved.
  • the photoelectric load cell for a washing machine may further have the following Technical characteristics:
  • the lower surface of the lower casing is provided with an upwardly extending lower mounting table
  • the lower surface of the upper casing is provided with an upper portion extending downward and opposed to the lower mounting table a mounting portion
  • the first elastic member is spaced between the lower surface of the upper mounting table and the upper surface of the lower mounting table
  • the inner peripheral surface of the second elastic member is respectively opposite to the upper mounting platform
  • the outer peripheral surface is in contact with the inner peripheral surface of the lower mounting table.
  • the upper surface of the lower mounting table is further provided with an upwardly extending flange, and an outer peripheral surface of the first elastic member is in contact with an inner peripheral surface of the flange.
  • the first elastic member is a first spring and the second elastic member is a second spring.
  • the lower housing is inserted within the upper housing.
  • the lower casing has a first flange on an upper circumference thereof, and a lower circumference of the upper casing has a second flange that is adapted to the first flange.
  • the lower surface of the lower casing is configured as a curved surface.
  • a boom assembly for a washing machine comprising: a boom; a third elastic member, the third elastic member being disposed at a lower end of the boom; and the washing machine of any of the above
  • the photoelectric load cell is provided at the upper end of the boom.
  • the upper housing is fixedly coupled to the upper end of the boom and the lower housing is movably coupled to the upper end of the boom.
  • the third elastic member is a third spring.
  • a washing machine comprising: a case and a tub provided in the case; and the boom assembly for a washing machine according to any one of the above, wherein the third elastic member and the The barrels are connected and the photoelectric load cell for the washing machine is connected to the box.
  • the casing is formed with a socket adapted to the lower casing, and the lower casing is hinged to the socket.
  • FIG. 1 is a schematic view of an optical load cell for a washing machine in accordance with one embodiment of the present invention
  • FIG. 2 is a schematic view of a washing machine in accordance with another embodiment of the present invention.
  • Figure 3 is a partial enlarged view of Figure 2;
  • FIG. 4 is a view of a washing machine in accordance with another embodiment of the present invention. detailed description
  • an optical load cell 30 for a washing machine includes: a lower casing 320, an upper casing 310, a light emitting end 340, a light receiving end 350, and a light reflecting platform 360.
  • the upper casing 310 is connected to the lower casing 320 so as to be movable up and down.
  • the light emitting end 340 and the light receiving end 350 are spaced apart from each other on the lower surface of the upper casing 310 or the upper surface of the lower casing. In the preferred embodiment of the present invention, as shown in Fig. 1, the light emitting end 340 and the light receiving end 350 are spaced apart from each other on the lower surface of the upper casing 310.
  • the light reflecting platform 360 is disposed on the upper surface of the lower casing 320 or the lower surface of the upper casing and corresponds to the lower side of the light emitting end 340 and the light receiving end 350. In the preferred embodiment of the present invention, as shown in Fig. 1, the light reflecting platform 360 is disposed on the upper surface of the lower casing 320.
  • the first elastic members 330 are spaced apart between the lower casing 320 and the upper casing 310. That is, as shown in Fig. 1, the upper end of the first elastic member 330 is spaced apart from the lower surface of the upper casing 310 by a predetermined distance, wherein the first elastic member has a modulus of elasticity K1.
  • the second elastic member 331 is disposed between the lower casing 320 and the upper casing 310 to push the upper casing 310 away from the lower casing 320.
  • the elastic modulus of the second elastic member is ⁇ 2, and the length of the second elastic member is greater than The length of an elastic member, and the elastic modulus ⁇ 2 of the second elastic member is smaller than the elastic modulus K1 of the first elastic member.
  • the second elastic member 331 first undergoes compression deformation to sense the load.
  • the first elastic member 330 and the second elastic member 331 are compressed and deformed to sense the load.
  • an optical load cell for a washing machine the first elastic member is disposed between the lower casing and the upper casing, and the second elastic member is disposed at the lower casing And the upper casing is constantly pushed away from the lower casing, and when the load is light, the load is sensed by the deformation amount of the second elastic member, that is, the long spring, and the load is heavy, Then, the amount of deformation of the second elastic member and the amount of deformation of the first elastic member can be utilized to sense the load, and the weighing accuracy is improved.
  • the second elastic member when the weight is changed, the second elastic member is first deformed by force, thereby changing the spacing between the upper casing and the lower casing; When the weight continues to increase, the first elastic member is also deformed by the force.
  • the distance between the upper casing and the lower casing is detected by the light emitting end, the light receiving end, and the light reflecting platform, and then the table corresponding to the change between the preset spacing change and the weight can be realized. Quasi-weighing.
  • the second elastic member 331 is first subjected to compression deformation when the weight of the clothes and water in the washing tub is small.
  • the compression deformation of the second elastic member 331 causes a change in the distance d between the light reflecting platform 360 and the light emitting end 340 and the light receiving end 350.
  • the light receiving end 350 converts the received optical signal into an electrical signal, which is in a correspondence with the spacing d (preferably a linear correspondence). This signal accurately reflects the change in the weight and displacement of the washing tub.
  • the converted electrical signal is transmitted to the washing machine controller, and the controller can accurately weigh the barrel of the washing machine by a predetermined program (for example, a table corresponding to the change between the preset spacing d and the weight).
  • a predetermined program for example, a table corresponding to the change between the preset spacing d and the weight.
  • the upper surface of the lower casing 320 is provided with an upwardly extending lower mounting platform 322.
  • the upper surface of the upper casing 310 is provided with an upper mounting table 311 extending downward and opposed to the lower mounting table 322.
  • the first elastic member 330 is spaced between the lower surface of the upper mounting table 311 and the upper surface of the lower mounting table 322.
  • the inner peripheral surface of the second elastic member 331 is in contact with the outer peripheral surface of the upper mounting base 311 and the inner peripheral surface of the lower mounting base 322, respectively.
  • the upper surface of the lower mounting table 322 is further provided with an upwardly extending flange 323.
  • the outer peripheral surface of the first elastic member 330 is in contact with the inner peripheral surface of the flange 232. Thereby, the first elastic member 330 can be positioned, and the first elastic member 330 and the second elastic member 331 can also be separated.
  • the first resilient member 330 is a first spring and the second resilient member 331 is a second spring. Further, the spring coefficient K1 of the first spring is greater than the spring constant K2 of the second spring.
  • the first elastic member 330 and the second elastic member 331 are disposed between the upper and lower shells, and the first elastic member 330 and the second elastic member 331 have different elastic coefficients K1 and ⁇ 2.
  • the linear spring that is, two springs of different lengths are connected in series on the boom.
  • the second elastic member 331 has a small value of the long spring ⁇ 2, and the first elastic member 330, that is, the short spring K1 has a large value, and the long spring is deformed at a small load, and the signal output of the sensor is related to the deformation displacement of the long spring.
  • the signal output of the sensor is related to the common displacement of the two springs. Therefore, in the load-bearing range, the load can be accurately sensed from light to heavy, and the load weighing accuracy is improved.
  • the lower housing 320 is inserted into the upper housing 310.
  • the lower casing 320 has a first flange 324 on its upper circumference and a lower edge of the upper casing 310 has a second flange 312 that is adapted to the first flange 324.
  • the lower surface of the lower housing 320 is configured as a curved surface.
  • a boom assembly 20 for a washing machine includes: a boom 210; a third elastic member 220 and the above-described photoelectric load cell 30 for a washing machine.
  • the third elastic member 220 is provided at the lower end of the boom 210.
  • An optical load cell 30 for a washing machine is provided at the upper end of the boom 210.
  • the upper housing 310 is fixedly coupled to the upper end of the boom 310 and the lower housing 320 is movably coupled to the upper end of the boom 210.
  • the third elastic member 220 is a third spring.
  • a washing machine includes: a case 10 and a tub provided in the case 10 and the above-described boom assembly 20 for a washing machine.
  • the third elastic member 220 is connected to the barrel and the photoelectric weighing sensor 30 for the washing machine is connected to the casing 10.
  • the tub includes an outer tub 40 and an inner tub 50 disposed within the outer tub 40.
  • the third elastic member 220 is coupled to the outer tub 40.
  • the casing 10 is formed with a socket 111 adapted to the lower casing 320, and the lower casing 320 is hinged to the socket 111.
  • the weight in the barrel changes (for example, adding laundry and water)
  • the weight change is transmitted to the boom 201 through the third elastic member 220, and finally to the photoelectric scale for the washing machine.
  • the weight sensor 30 can finally determine the weight change of the barrel by detecting the change in the distance d between the lower case 320 and the upper case 310, and the washing machine can be accurately weighed.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more unless explicitly and specifically defined.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like are to be understood broadly, and may be either a fixed connection or a detachable connection, unless otherwise explicitly stated and defined. , or integrated; can be mechanical connection, or electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements.
  • installation can be understood by one of ordinary skill in the art based on the specific circumstances.
  • the first feature "on” or “below” the second feature may be the direct contact of the first and second features, or the first and second features are indirectly through the intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above the second feature or It is obliquely upward, or merely indicates that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or below the second feature, or merely that the first feature level is less than the second feature.
  • the description of the terms “one embodiment”, “some embodiments”, “example”, “specific example”, or “some examples” and the like means a specific feature described in connection with the embodiment or example.
  • a structure, material or feature is included in at least one embodiment or example of the invention.
  • the schematic representation of the above terms is not necessarily directed to the same embodiment or example.
  • the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.
  • various embodiments or examples described in the specification, as well as features of various embodiments or examples may be combined and combined.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

L'invention concerne un capteur de poids optoélectronique destiné à être utilisé dans une machine à laver les vêtements, un ensemble de suspension destiné à être utilisé dans celle-ci, et une machine à laver les vêtements. Le capteur de poids optoélectronique (30) destiné à être utilisé dans une machine à laver les vêtements comprend : un boîtier inférieur (320), et un boîtier supérieur (310) qui est relié verticalement de façon mobile audit boîtier inférieur (320) ; un terminal d'émission de lumière (340) et un terminal de réception de lumière (350) sont disposés séparément sur la surface inférieure du boîtier supérieur (310) ou sur la surface supérieure du boîtier inférieur (320) ; un étage de réflexion de lumière (360) est disposé sur la surface supérieure du boîtier inférieur (320) ou sur la surface inférieure du boîtier supérieur (310), et à l'opposé du terminal d'émission de lumière (340) et du terminal de réception de lumière (350) ; des premiers composants élastiques (330) sont disposés séparément entre le boîtier inférieur (320) et le boîtier supérieur (310) ; des seconds composants élastiques (331) sont disposés séparément entre le boîtier inférieur (320) et le boîtier supérieur (310) de façon à pousser de façon permanente le boîtier supérieur (310) à l'opposé du boîtier inférieur (320).
PCT/CN2014/079653 2013-09-23 2014-06-11 Machine à laver les vêtements, ensemble de suspension et capteur de poids optoélectronique WO2015039466A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201310436742.4 2013-09-23
CN201310436742.4A CN103628277A (zh) 2013-09-23 2013-09-23 洗衣机
CN201410020640.9 2014-01-17
CN201410020640.9A CN103850095B (zh) 2013-09-23 2014-01-17 洗衣机

Publications (1)

Publication Number Publication Date
WO2015039466A1 true WO2015039466A1 (fr) 2015-03-26

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PCT/CN2014/079653 WO2015039466A1 (fr) 2013-09-23 2014-06-11 Machine à laver les vêtements, ensemble de suspension et capteur de poids optoélectronique

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CN (3) CN103628277A (fr)
WO (1) WO2015039466A1 (fr)

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CN103628277A (zh) * 2013-09-23 2014-03-12 无锡小天鹅股份有限公司 洗衣机
CN104975465A (zh) * 2014-04-02 2015-10-14 海尔集团公司 一种传感器、洗衣机及洗衣机的控制方法
WO2015172641A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Machine à laver le linge de type à turbine
CN105088609A (zh) * 2014-05-16 2015-11-25 无锡小天鹅股份有限公司 洗衣机
CN105088681A (zh) * 2014-05-16 2015-11-25 无锡小天鹅股份有限公司 滚筒洗衣机
WO2015172642A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Machine à laver le linge du type à tambour
WO2015172639A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Machine à laver le linge du type à tambour
WO2015172636A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Lave-linge à tambour
CN105088683A (zh) * 2014-05-16 2015-11-25 无锡小天鹅股份有限公司 波轮洗衣机
CN105088608A (zh) * 2014-05-16 2015-11-25 无锡小天鹅股份有限公司 波轮洗衣机
WO2015172640A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Machine à laver le linge
CN105088675B (zh) * 2014-05-16 2017-09-19 无锡小天鹅股份有限公司 波轮洗衣机
WO2015172633A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Lave-linge à tambour
WO2015172643A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Machine à laver le linge du type à tambour
WO2015172637A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Machine a laver a tambour
WO2015172635A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Lave-linge à pulsateur
CN105088662B (zh) * 2014-05-16 2017-09-19 无锡小天鹅股份有限公司 滚筒洗衣机
WO2015172634A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Machine à laver à tambour
WO2015172638A1 (fr) * 2014-05-16 2015-11-19 无锡小天鹅股份有限公司 Machine à laver à pulsateur
CN105463776B (zh) 2014-08-29 2019-04-05 青岛海尔洗衣机有限公司 一种洗衣机吊杆脱落检测装置及洗衣机安全运行方法
CN105506923A (zh) * 2014-09-24 2016-04-20 无锡小天鹅股份有限公司 洗衣机及洗衣机的不平衡检测方法
CN104233710B (zh) * 2014-09-28 2016-09-14 南京创维家用电器有限公司 检测洗衣机失衡的方法和装置
CN105696258B (zh) * 2014-11-26 2018-12-21 杭州神林电子有限公司 一种测试洗衣机洗涤桶内容纳物重量的传感装置
CN104846584B (zh) * 2015-04-29 2017-12-26 无锡小天鹅股份有限公司 洗衣机及其脱水控制方法
CN104947382B (zh) * 2015-06-04 2018-02-23 无锡小天鹅股份有限公司 洗衣机及洗衣机的排水判断方法
CN104963163B (zh) * 2015-06-04 2018-03-13 无锡小天鹅股份有限公司 洗衣机的控制方法和洗衣机
CN104975457A (zh) * 2015-07-12 2015-10-14 大连华工创新科技股份有限公司 一种洗衣机
CN105603689B (zh) * 2016-02-26 2019-11-08 青岛海尔科技有限公司 波轮洗衣机偏心检测方法、装置、吊杆系统及波轮洗衣机
US10266982B2 (en) * 2016-09-22 2019-04-23 Midea Group Co., Ltd. Laundry washing machine with dynamic damping force optimization
CN106988080A (zh) * 2017-05-27 2017-07-28 青岛海尔洗衣机有限公司 一种洗衣机的减震装置及具有该装置的洗衣机
WO2019223877A1 (fr) 2018-05-25 2019-11-28 Electrolux Laundry Systems Sweden Ab Machine à laver
CN110607652A (zh) * 2018-06-15 2019-12-24 无锡小天鹅电器有限公司 用于洗衣机的吊装组件和具有其的波轮洗衣机
CN114214813B (zh) * 2021-12-14 2024-03-15 海信冰箱有限公司 洗衣机控制方法、装置、存储介质及洗衣机
CN114836941A (zh) * 2022-05-06 2022-08-02 Tcl家用电器（合肥）有限公司 洗衣机及其控制方法、控制系统、计算机可读存储介质

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CN204266007U (zh) 2015-04-15
CN104452183A (zh) 2015-03-25

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