WO2015172643A1 - Machine à laver le linge du type à tambour - Google Patents

Machine à laver le linge du type à tambour Download PDF

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Publication number
WO2015172643A1
WO2015172643A1 PCT/CN2015/077582 CN2015077582W WO2015172643A1 WO 2015172643 A1 WO2015172643 A1 WO 2015172643A1 CN 2015077582 W CN2015077582 W CN 2015077582W WO 2015172643 A1 WO2015172643 A1 WO 2015172643A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing
washing machine
photosensor
drum washing
washing tub
Prior art date
Application number
PCT/CN2015/077582
Other languages
English (en)
Chinese (zh)
Inventor
康菲
吴刚
殷培杰
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 CN201420254701.3U external-priority patent/CN203890739U/zh
Priority claimed from CN201410210123.8A external-priority patent/CN105088662B/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 WO2015172643A1 publication Critical patent/WO2015172643A1/fr

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00

Definitions

  • the invention relates to the field of laundry, and in particular to a drum washing machine.
  • the present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, it is an object of the present invention to provide a drum washing machine that accurately monitors the weight change of the washing tub in real time.
  • a drum washing machine includes: a box; a washing tub, the washing tub is rotatably disposed in the box; and a shock absorber, the two ends of the shock absorber are respectively associated with the washing tub
  • An outer wall is coupled to an inner wall of the case; a photosensor, the photosensor being coupled to the damper, the photosensor being configured to output an electrical signal when the position of the wash tub changes, wherein
  • the photosensor includes an elastic member; a control device coupled to the photosensor to receive an electrical signal transmitted by the photosensor.
  • the photosensor is configured to output an electric signal when the position of the washing tub changes, and the control device can judge the weight change of the washing tub based on the electric signal, thereby The change in weight of the washing tub can be monitored more accurately in real time to control the drum washing machine to operate more smoothly.
  • drum washing machine according to the above embodiment of the present invention may further have the following additional technical features:
  • the damper includes a friction rod and a damper cylinder, the damper cylinder is sleeved outside the friction rod and slidable relative to the friction rod, and one end of the damper cylinder Connected to the outer wall of the washing tub, one end of the friction rod is connected to the inner wall of the tank.
  • the structure of the shock absorber is simple.
  • the photosensor includes: an upper case and a lower case, the upper case and the lower case being connected by an elastic member such that the upper case and the lower case
  • the housings are movable up and down relative to each other, and the upper housing and the lower housing are respectively connected to the damper barrel and the friction rod; a light emitting end and a light receiving end, the light emitting end and the light a receiving end is disposed on one of the upper casing and the lower casing; a light reflecting surface, the light reflecting surface is disposed on the other of the upper casing and the lower casing to be Light emitted by the light emitting end is reflected back to the Light receiving end.
  • the structure of the photoelectric sensor is simple and can be accurately detected.
  • both ends of the elastic member respectively abut against the lower surface of the upper casing and the upper surface of the light reflecting surface.
  • the elastic member is a spring.
  • the bottom end of the upper housing is open, the top end of the lower housing is open, and the upper housing outer cover is on the lower housing.
  • the photosensor further includes a photosensor wire connected to the control device.
  • the drum washing machine further includes a suspension spring, the two ends of which are respectively connected to an upper portion of the inner wall of the casing and an outer wall of the washing tub.
  • the photosensor includes: an upper case and a lower case, the upper case and the lower case being connected by an elastic member such that the upper case and the The lower casings are movable relative to each other; the light emitting end and the light receiving end, the light emitting end and the light receiving end are disposed on one of the upper casing and the lower casing; a light reflecting surface, The light reflecting surface is disposed on the other of the upper case and the lower case to reflect light emitted from the light emitting end back to the light receiving end.
  • FIG. 1 is a schematic view of a drum washing machine in accordance with an embodiment of the present invention
  • Figure 2 is an enlarged schematic view of a portion A of Figure 1;
  • FIG. 3 is a schematic diagram of a photosensor in accordance with an embodiment of the present invention.
  • the damper 3 the friction lever 30, the damper cylinder 31, the first rod 310, the second rod 311, the third rod 301, the fourth rod 302,
  • Photoelectric sensor 4 light emitting end 41, light receiving end 42, elastic member 43, light reflecting surface 44, lower case 45, upper case 46,
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can 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 on a case-by-case basis.
  • a drum washing machine 1000 according to an embodiment of the present invention will be described below with reference to Figs.
  • a drum washing machine 1000 includes a cabinet 1, a washing tub 2, a damper 3, a photoelectric sensor 4, and a control device (not shown).
  • the front side of the cabinet 1 is provided with a storage opening (not shown) for holding and taking up the laundry.
  • the washing tub 2 is rotatably disposed in the casing 1 , and the washing tub 2 can swing in a small amount in the casing 1 , and the washing tub 2 contains laundry and water. When the weight of the laundry and the water changes, the washing tub 2 The location will change.
  • the two ends of the damper 3 are respectively connected to the outer wall of the washing tub 2 and the inner wall of the casing 1.
  • the damper 3 has a buffering effect on the movement of the washing tub 2, that is, the damper 3 functions as a shock absorbing function to ensure The washing tub 2 can run smoothly.
  • the damper 3 is located at a lower portion of the casing 1, and the upper portion of the casing 1 is further provided with a suspension spring 5, and both ends of the suspension spring 5 are respectively opposed to the upper portion of the inner wall of the casing 1 and the washing tub 2
  • the outer walls are connected. Therefore, the suspension spring 5 cooperates with the damper 3 to buffer the movement of the washing tub 1, that is, the suspension spring 5 and the damper 3 together act as a shock absorber to further ensure smooth running of the whole machine.
  • the photosensor includes an upper case and a lower case, and the upper case and the lower case are connected by an elastic member such that the upper case and the upper case
  • the lower casings are movable relative to each other; the light emitting end and the light receiving end, the light emitting end and the light receiving end are disposed on one of the upper casing and the lower casing; a light reflecting surface, The light reflecting surface is disposed on the other of the upper case and the lower case to reflect light emitted from the light emitting end back to the light receiving end.
  • the photosensor 4 is connected to the damper 3, which is configured to output an electrical signal when the position of the washing tub 2 changes, wherein the photosensor includes an elastic member.
  • the photosensor 4 comprises an elastic member, that is to say, the photosensor 4 is provided with an elastic member.
  • the control device is coupled to the photosensor 4 to receive an electrical signal from the photosensor 4.
  • the electrical signal can Therefore, voltage, current, frequency, PWM (pulse width) and the like.
  • photosensor 4 further includes a photosensor wire (not shown) that is coupled to the control device. Thereby, the photosensor 4 is connected to the control device.
  • other structures such as a drive motor are also provided in the casing 1.
  • the washing principle of the drum washing machine 1000 and the like are well known to those skilled in the art and will not be described in detail herein.
  • the washing tub 2 moves, for example, when the weight of the laundry and the water in the washing tub 2 increases, the washing tub 2 sinks, and at this time, the bottom wall of the washing tub 2 and the box The distance between the inner bottom walls of the body 2 becomes small.
  • the damper 3 acts as a buffer for the movement of the washing tub 2, the movement of the washing tub 2 directly acts on the damper 3, and at the same time, since the photosensor 4 is connected to the damper 3, the movement of the washing tub 2 It also acts directly on the photosensor 4, so the photosensor 4 can output an electrical signal according to the position change of the washing tub 2 in real time, the electric signal can accurately reflect the weight change of the washing tub 2, and the control device receives the electric power transmitted from the photosensor 4. The signal judges whether or not the weight of the washing tub 2 has changed.
  • the control device can perform functions such as accurate weighing of the laundry on the drum washing machine 1000 in accordance with the received electric signal.
  • control device can perform the following determination according to the electrical signal output by the photoelectric sensor 4: after the washing is completed, when the drain valve is opened, as the water in the washing tub 2 is discharged, the weight of the washing tub 2 is reduced, and the washing tub 2 moves upward due to drainage.
  • the valve drainage flow rate does not change much, and the value output by the photoelectric sensor 4 is also a downward linear curve; when the water in the washing tub 2 is drained, the weight of the washing tub 2 does not change, and the position of the washing tub 2 does not change at this time.
  • the photosensor 4 outputs a straight line close to the horizontal.
  • the dehydration action can be started immediately.
  • This method of judging is more accurate than the existing water level photoelectric sensor judging method.
  • the water in the washing tub 2 can be immediately sensed after being discharged, and dehydration can be started immediately, which can reduce the washing time.
  • the control device can also judge other operations of the washing tub 2 according to the collected weight change of the washing tub 2, which will not be described in detail herein.
  • the photosensor 4 is configured to output an electric signal when the position of the washing tub 2 changes, and the control device can judge the washing tub based on the electric signal
  • the weight change of 2 allows the weight change of the washing tub 2 to be monitored more accurately in real time to control the drum washing machine 1000 to operate more smoothly.
  • a drum washing machine 1000 according to an embodiment of the present invention will now be described with reference to Figs.
  • the drum washing machine 1000 includes a cabinet 1, a washing tub 2, a damper 3, a photoelectric sensor 4, a suspension spring 5, and a control device.
  • the case 1 includes a body 10 and an upper cover 11 with the top of the body 10 open, and the upper cover 11 cooperates with the top of the body 10 to define a space for holding the washing tub 2 with the body 10.
  • the receiving opening is provided on the front side of the body 10.
  • the body 10 is further provided with a cover plate (not shown) for opening or closing the receiving opening.
  • a foot 6 is provided at each corner of the bottom wall of the body 10.
  • the washing tub 2 includes a tub (not shown) and a dewatering tub (not shown), and the dewatering tub is rotatably provided in the tub.
  • the water tub is connected to the inner wall of the casing 1 through the suspension spring 5 and the damper 3.
  • the two ends of the suspension spring 5 are respectively connected with the upper portion of the inner wall of the casing 1 and the outer wall of the tub, and the two ends of the damper 3 are respectively
  • the bottom wall of the box body 1 is connected to the outer wall of the water tub, and the suspension spring 5 and the damper 3 respectively have a certain buffer absorption effect on the movement energy of the washing tub 2, which can ensure the smooth running of the whole machine.
  • the damper 3 includes a friction rod 30 and a damper cylinder 31.
  • the damper cylinder 31 is jacketed outside the friction rod 30 and slidable relative to the friction rod 30.
  • One end of the damper cylinder 31 is connected to the outer wall of the washing tub 2, and the friction rod 30 is One end is connected to the inner wall of the casing 1. Specifically, when the weight of the washing tub 2 changes and moves, the damper cylinder 31 can slide on the friction lever 30 to act as a buffer for the movement of the washing tub 2 under the action of the washing tub 2.
  • the photosensor 4 includes an upper casing 46, a lower casing 45, a light emitting end 41, a light receiving end 42, and a light reflecting surface 44, wherein the bottom end of the upper casing 46 is open, and the top end of the lower casing 45 is open, the upper casing
  • the body 46 is housed on the lower housing 45.
  • the upper housing 46 and the lower housing 45 are connected by a spring 43 such that the upper housing 46 and the lower housing 45 can move up and down relatively, that is, the upper housing 46 can move up and down relative to the lower housing 45.
  • the lower housing 45 is movable up and down relative to the upper housing 46.
  • the upper casing 46 is connected to the damper cylinder 31, and the lower casing 45 is connected to the friction rod 30. When the damper cylinder 31 slides on the friction rod 30, the shape of the spring 43 changes, and the upper casing 46 can be opposite to the lower casing.
  • the body 45 moves.
  • the damper cylinder 31 includes the first rod 310 and the The two rods 311, the friction rod 30 includes a third rod 301 and a fourth rod 302, the first rod 310 is jacketed on the third rod 301 to slide on the third rod 301, and the second rod 311 is from the outer peripheral wall of the first rod 310 Extending outwardly, the second rod 311 is formed in a generally "L" shape, and the free end of the second rod 311 is coupled to the top wall of the upper casing 46.
  • the fourth rod 302 extends outward from the outer peripheral wall of the third rod 301, and the fourth rod 302 is formed in a substantially "L" shape, and the free end of the fourth rod 302 is connected to the bottom wall of the lower casing 45. It is of course to be understood that the damper 3 and the photosensor 4 can be connected in any manner as long as the shock absorbing effect of the damper 3 is ensured and the photoelectric sensor 4 can transmit an electrical signal when the position of the washing tub 2 changes. can.
  • the spring 43 is a linear spring having a spring constant. Both ends of the spring 43 are respectively abutted against the lower surface of the upper casing 46 and the upper surface of the light reflecting surface 44.
  • the upper casing 46 and the lower casing 45 may be connected by other elastic members, and the elastic members may also be connected to the upper casing 46 and the lower casing 45 by other means, the upper casing 46 and The shape of the lower case 45, the fitting relationship between the upper case 46 and the lower case 45 are not limited thereto as long as the upper case 46 and the lower case 45 are relatively movable.
  • the light emitting end 41 and the light receiving end 42 are provided on the upper casing 46.
  • the light reflecting surface 44 is provided on the lower casing 45 to reflect the light emitted from the light emitting end 41 back to the light receiving end 42. It is of course understood that the light emitting end 41 and the light receiving end 42 may also be disposed on the lower casing 45, and the light reflecting surface 44 is disposed on the upper casing 46 to reflect light, that is, the light emitting end 41 and the light receiving end 42.
  • the light reflecting surface 44 is provided on one of the upper casing 46 and the lower casing 45. The other side of the lower casing 45 reflects the light emitted from the light emitting end 41 back to the light receiving end 42.
  • the photoelectric sensor 4 is further provided with a control component such as a control panel connected to the light receiving end 42 , and the control component can convert the optical signal received from the light receiving end 42 into an electrical signal, the electrical signal and the light reflecting surface.
  • a control component such as a control panel connected to the light receiving end 42 , and the control component can convert the optical signal received from the light receiving end 42 into an electrical signal, the electrical signal and the light reflecting surface.
  • the distance d between the 44 and the light emitting end 41 (light receiving end 42) is in a corresponding relationship, preferably a linear correspondence.
  • the light emitted from the light emitting end 41 is reflected back to the light receiving end 42 by the light reflecting surface 44.
  • the weight of the clothes and water in the drum washing machine 1000 changes, and the damper cylinder 31 is The friction rod 30 slides, the deformation of the spring 43 changes at the same time, the upper casing 46 moves relative to the lower casing 45, and the distance d between the light reflecting surface 44 and the light emitting end 41 and the light receiving end 42 changes, that is, the light is changed.
  • the optical signal reflected by the reflecting surface 44 to the light receiving end 42 is changed, so that the electrical signal transmitted from the photosensor 4 is changed, so that the electrical signal can accurately reflect the change in the weight of the drum washing machine 1000.
  • the weight of the laundry and the water in the washing machine increases, the weight of the washing tub 2 increases, the washing tub 2 sinks, the relative position between the damper cylinder 31 and the friction lever 30 changes, and the spring 43 in the photosensor 4 is driven.
  • the shape variable is then reduced.
  • the reduction in the shape of the spring 43 causes the distance d between the light reflecting surface 44 and the light emitting end 41 and the light receiving end 42 to decrease.
  • the drum washing machine 1000 according to an embodiment of the present invention has the following advantages:
  • control device can instantly sense the weight of the washing tub 2, and instantly determine whether the working state of the drum washing machine 1000 is normal;
  • the dehydration imbalance can be more accurately perceived (for example, a photoelectric sensor 4 is provided on each shock absorber 3 to detect the position change of different parts of the washing tub 2), and the control device can adjust according to the sensed value;
  • the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an 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 or above the second feature, or merely 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 obliquely below the second feature, or merely that the first feature level is less than the second feature.

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

Abstract

La présente invention concerne une machine (1000) à laver le linge du type à tambour, qui comprend : un logement (1), une cuve de lavage (2), des amortisseurs (3), un capteur photoélectrique (4) et un dispositif de commande. La cuve de lavage (2) est disposée en rotation dans le logement (1). Les deux extrémités des amortisseurs (3) sont reliées à la paroi externe de la cuve de lavage (2) et à la paroi interne du logement (1), respectivement. Le capteur photoélectrique (4) est connecté à un amortisseur (3) et il est conçu pour délivrer un signal électrique lorsqu'il y a un changement de position de la cuve de lavage (2). Le capteur photoélectrique (4) comprend un élément élastique. Le dispositif de commande est connecté au capteur (4) pour recevoir des signaux électriques émis par ce dernier.
PCT/CN2015/077582 2014-05-16 2015-04-27 Machine à laver le linge du type à tambour WO2015172643A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201420254701.3U CN203890739U (zh) 2014-05-16 2014-05-16 滚筒洗衣机
CN201410210123.8A CN105088662B (zh) 2014-05-16 2014-05-16 滚筒洗衣机
CN201410210123.8 2014-05-16
CN201420254701.3 2014-05-16

Publications (1)

Publication Number Publication Date
WO2015172643A1 true WO2015172643A1 (fr) 2015-11-19

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PCT/CN2015/077582 WO2015172643A1 (fr) 2014-05-16 2015-04-27 Machine à laver le linge du type à tambour

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10289805B2 (en) 2014-10-21 2019-05-14 uBiome, Inc. Method and system for microbiome-derived diagnostics and therapeutics

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938822A1 (de) * 1989-11-23 1991-05-29 Miele & Cie Trommelwaschmaschine
EP2322706A2 (fr) * 2009-11-16 2011-05-18 Samsung Electronics Co., Ltd. Machine à laver et son procédé de commande
CN102207377A (zh) * 2010-03-30 2011-10-05 emz-汉拿两合有限公司 用于捕获部件的相对位置的装置和清洗处理装置
CN103628277A (zh) * 2013-09-23 2014-03-12 无锡小天鹅股份有限公司 洗衣机
CN203890739U (zh) * 2014-05-16 2014-10-22 无锡小天鹅股份有限公司 滚筒洗衣机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938822A1 (de) * 1989-11-23 1991-05-29 Miele & Cie Trommelwaschmaschine
EP2322706A2 (fr) * 2009-11-16 2011-05-18 Samsung Electronics Co., Ltd. Machine à laver et son procédé de commande
CN102207377A (zh) * 2010-03-30 2011-10-05 emz-汉拿两合有限公司 用于捕获部件的相对位置的装置和清洗处理装置
CN103628277A (zh) * 2013-09-23 2014-03-12 无锡小天鹅股份有限公司 洗衣机
CN203890739U (zh) * 2014-05-16 2014-10-22 无锡小天鹅股份有限公司 滚筒洗衣机

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10289805B2 (en) 2014-10-21 2019-05-14 uBiome, Inc. Method and system for microbiome-derived diagnostics and therapeutics

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