WO2020233871A1 - Unité de dosage automatique qui dose le produit de nettoyage dans des appareils ménagers - Google Patents

Unité de dosage automatique qui dose le produit de nettoyage dans des appareils ménagers Download PDF

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Publication number
WO2020233871A1
WO2020233871A1 PCT/EP2020/058326 EP2020058326W WO2020233871A1 WO 2020233871 A1 WO2020233871 A1 WO 2020233871A1 EP 2020058326 W EP2020058326 W EP 2020058326W WO 2020233871 A1 WO2020233871 A1 WO 2020233871A1
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WO
WIPO (PCT)
Prior art keywords
piston
gear
dosing
dosing unit
automatic dosing
Prior art date
Application number
PCT/EP2020/058326
Other languages
English (en)
Inventor
Jack Cao
Quin Zhang
Hongming Liu
Sam Yu
Jing Ren
Original Assignee
Arcelik Anonim Sirketi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Publication of WO2020233871A1 publication Critical patent/WO2020233871A1/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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids

Definitions

  • the present invention relates to a dosing unit which enables liquid cleaning agents to be dosed.
  • an automatic dosing unit comprising a piston and a dosing receptacle.
  • an automatic dosing unit comprising a piston and a dosing receptacle.
  • the aim of the present invention is the realization of an automatic dosing unit which is low-cost and which operates more efficiently.
  • the dosing unit realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a cam arranged on a gear which is rotated by a motor and which enables a piston changing the volume of the dosing receptacle wherein the cleaning agents are dosed to be pushed, and a prestress means which enables the piston to be moved back to its original position. Due to the fact the parts constituting the unit are not connected to each other, the motor can perform its initial movement freely and thus, the problems of malfunctioning/locking in case of the presence of dried cleaning agents are eliminated.
  • a cam is provided on both surfaces of the gear, and two pistons triggered by the cams and two dosing receptacles are used.
  • the cams move the pistons with each rotation of the gear and the cleaning agents in the two dosing receptacles are enabled to be dosed.
  • two different cleaning agents can be dosed by means of a single mechanism.
  • the dozing is performed by rotating the motor in opposite directions for each dosing receptacle.
  • different cleaning agents can be dosed at different times during the washing process.
  • the gear moves around the rotation axis by being rotated by the motor and thus, the cams contact and push the pistons.
  • the cams are circular or elliptical, and the movable structure of the gear provides flexibility in determining the position of the cam. The gear pushes the pistons by moving around the rotation axis and thus, the cam which is not intended to push is prevented from contacting the piston.
  • the cams are arranged on the gear symmetrically and each piston is pushed separately.
  • the cams By positioning the cams symmetrically so as to look like as halves, the need for moving the gear around the rotation axis is eliminated and when the gear rotates in one direction one of the cams pushes the corresponding piston and with the rotation in the opposite direction, the other cam pushes the other piston.
  • the cam has a parabolic form and the piston which is pushed as the gear rotates is moved at a constant speed.
  • the longer part of the cam extends up to the periphery of the gear.
  • the distance to which the pistons are pushed is increased.
  • the cleaning agent to be dosed and the dosing rate can be controlled as needed.
  • the automatic dosing unit comprises a side arm which is connected to the piston and which has a part extending parallel to the piston, and the prestress means is connected to the side arm at one end.
  • the prestress means is compressed or stretched when the piston is pushed into the dosing receptacle and as the gear rotates and interrupts the contact between the piston and the cam, the prestress means pushes or pulls the piston back to its original position.
  • one-way valves are used at the inlet and outlet of the dosing receptacle.
  • the cleaning agents are enabled to flow only in one direction.
  • the detergent and the softener can be dosed effectively by a simple mechanism.
  • Figure 1 - is the perspective view of the cross-section of an automatic dosing unit.
  • Figure 2 – is the enlarged view of the detail A in Fig. 1.
  • Figure 3 – is the exploded view of the automatic dosing unit in an embodiment of the present invention.
  • Figure 4 – is the top view of the automatic dosing unit in an embodiment of the present invention.
  • Figure 5 — is the side view of the automatic dosing unit in an embodiment of the present invention.
  • Figure 6 — is the top view of the automatic dosing unit in another embodiment of the present invention.
  • Figure 7 – is the enlarged view of the detail B of Fig. 6;
  • the automatic dosing unit (1) is suitable for use in dishwashers or washing machines and comprises a casing (22); a motor (2) which is arranged in the casing (22); a piston (3) which is moved by the motor (2); a dosing receptacle (4) having an inlet (3) and an outlet (6); and a control unit (7) which drives the motor (2) so as to enable the cleaning agents in the dosing receptacle (4) to be dosed by means of the movement of the piston (3).
  • the automatic dosing unit (1) can be used in dishwashers or washing machines and enables the liquid cleaning agents to be dosed in desired amounts.
  • the cleaning agent flows from the reservoir into the dosing receptacle (4), and thus, the cleaning agents which fill the dosing receptacle (4) are dosed to be used in the washing process.
  • the pressure in the dosing receptacle (4) decreases as the piston (3) is driven by the motor (2) so as to increase the volume of the dosing receptacle (4), and the cleaning agent is sucked from the reservoir into the dosing receptacle (4) as a result of the vacuum created.
  • the cleaning agent in the dosing receptacle (4) is transferred to the washing cycle through the outlet (6).
  • the automatic dosing unit (1) of the present invention comprises a gear (8) which is arranged in the casing (22) and which is driven by the motor (2); a cam (9) which is arranged on the gear (8) and which enables the piston (3) to be pushed into the dosing receptacle (4); and a prestress means (10) which pulls the piston (3) back.
  • the motor (2) enables the gear (8) to be rotated by engaging with the gear (8).
  • the cam (9) With the rotation of the gear (8), the cam (9) also rotates and pushes the piston (3), thus decreasing the volume of the dosing receptacle (4), and with the rotation of the motor (2) in the opposite direction, the contact between the piston (3) and the cam (9) is interrupted and the prestress means (10) pulls the piston (3) back so as to create vacuum.
  • the piston (3) is allowed to move only linearly and the need for moving parts is eliminated and the lifetime of the automatic dosing unit (1) is increased.
  • the automatic dosing unit (1) comprises a cam (9) arranged on each of the two surfaces of the gear (8); two dosing receptacles (4) for two different cleaning agents; and two pistons (3) which are pushed by the cams (9).
  • the cams (9) arranged on both surfaces of the gear (8) the two dosing receptacles (4) filled with two different cleaning agents can be used by means of a single motor (2) and a single gear (8).
  • the dosing receptacles (4) are arranged preferably one above the other, and the pistons (3) are positioned such that the free ends thereof align with the cams (9).
  • the cams (9) push the pistons (3) simultaneously and for example, two different detergents which are used for different types of dirt can be dosed simultaneously or as will be explained hereinafter, the cleaning agents are enabled to be dosed by creating vacuum in the dosing receptacles (4) at different times.
  • control unit (7) drives the motor (2) in different directions for different dosing receptacles (4).
  • the piston (3) corresponding to a dosing receptacle (4) is pushed and with the rotation in the opposite direction, the other piston (3) is pushed.
  • the dosing receptacles (4) containing different cleaning agents can be dosed at different times during the washing process.
  • the gear (8) moves around its own axis during the rotation of the motor (2).
  • the gear (8) is positioned on a pin (11) and moves on the pin (11) as the motor (2) rotates.
  • the gear (8) can be rotated the desired number of times.
  • Springs (12) which are positioned on the pin (11) can be used in order to guide the movement of the gear (8) on the pin (11).
  • the cam (9) is circular or elliptical.
  • the cams (9) on each surface of the gear (8) can be formed so as to be circular or elliptical, and when a piston (3) is pushed, the cam (9) which is not being used is prevented from contacting the other piston (3).
  • the cams (9) are in the form of a parabolic half egg and are positioned symmetrically around a line which overlaps with the diameter line which crosses through the center of the gear (8).
  • the cams (9) By positioning the cams (9) on the gear (8) symmetrically, the two dosing receptacles (4) can be dosed at different times without the need for moving the gear (8).
  • the gear (8) rotates in a direction only one cam (9) contacts and pushes the piston (3) and the other piston (3) is kept at its initial position.
  • the gear (8) rotates in the opposite direction the other cam (9) contacts and pushes the other piston (3) and provides dosing.
  • the detergent and the softener can be dosed in the dosing receptacles (4) successively and moreover, by positioning the pistons (3) closer to each other, a smaller dosing unit (1) can be produced.
  • the cams (9) are in the form of a parabolic half egg and positioned on each surface of the gear (8) as mirror images of each other.
  • control unit (7) drives the motor (2) such that the gear (8) makes approximately a half turn.
  • the gear (8) moves one of the pistons (3) by making a half turn in one direction and moves the other piston (3) by making a half turn in the opposite direction.
  • the cam (9) has a parabolic shape, enabling the piston (3) to be moved with linear speed during the half turn of the gear (8) and the dosing to be carried in a controlled manner.
  • the cam (9) extends up to the periphery of the gear (8).
  • the range of motion of the piston (3) is maximized and all of the cleaning agents in the dosing receptacle (4) are enabled to be dosed and the formation of residues in the dosing receptacle (4) is prevented.
  • flushing may be performed by delivering water into the dosing receptacle (4) after the cleaning agent is dosed.
  • the piston (3) has a side arm (13) with a part parallel to the piston (3), to which the prestress means (10) is connected. Since a part of the side arm (13) is parallel to the piston (3) and the prestress means (10) is connected to the part of the side arm (13) parallel to the piston (3), the force applied by the prestress means (10) to the piston (3) is in the same direction as the movement of the piston (3). Thus, the piston (3) is enabled to move smoothly independent of the lateral stress.
  • the automatic dosing unit (1) comprises one-way valves (14) arranged at the inlet (5) and outlet (6) of the dosing receptacle (4).
  • one-way valves (14) at the inlet (5) and outlet (6) of the dosing receptacle (4), the cleaning agents are prevented from being transferred back into the reservoir wherein the cleaning agents are stored and the cleaning agents or water is not sucked from the washing volume when the vacuum is in effect.
  • the automatic dosing unit (1) is used in a dishwasher or a washing machine.
  • the automatic dosing unit (1) comprises a lower and an upper body (15, 16) which are the lower parts of the casing (22) and wherein the motor (2) is disposed, and a cover (17) which is provided on the motor (2) for protection.
  • the dosing receptacles (4) are formed in a middle body (18) and the inlet (5) and the outlet (6) are arranged on a front body (21).
  • a piston head (19) is provided at the end portion of each piston (3) so as to surround the side walls of the dosing receptacle (4).
  • Gaskets (20) are used in order to prevent the detergent from leaking into other parts of the unit (1).
  • the automatic dosing unit (1) of the present invention provides a controlled dosing, and by means of the cam (9) and the gear (8), the piston (3) is enabled to move only linearly and thus, its lifetime is prolonged. Moreover, by performing the pushing and pulling functions by means of separate parts, the dosing unit (1) is prevented from getting stuck due to dried detergents in case of infrequent use.

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

Abstract

La présente invention concerne une unité de dosage automatique (1) qui est appropriée pour être utilisée dans des lave-vaisselle ou des machines à laver, comprenant un boîtier (22) ; un moteur (2) qui est disposé dans le boîtier (22) ; un piston (3) qui est déplacé par le moteur (2) ; un réceptacle de dosage (4) ayant une entrée (3) et une sortie (6) ; et une unité de commande (7) qui entraîne le moteur (2) de façon à permettre aux produits de nettoyage dans le réceptacle de dosage (4) d'être dosés au moyen du mouvement du piston (3).
PCT/EP2020/058326 2019-05-22 2020-03-25 Unité de dosage automatique qui dose le produit de nettoyage dans des appareils ménagers WO2020233871A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2019/07739 2019-05-22
TR201907739 2019-05-22

Publications (1)

Publication Number Publication Date
WO2020233871A1 true WO2020233871A1 (fr) 2020-11-26

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PCT/EP2020/058326 WO2020233871A1 (fr) 2019-05-22 2020-03-25 Unité de dosage automatique qui dose le produit de nettoyage dans des appareils ménagers

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022193859A1 (fr) * 2021-03-16 2022-09-22 青岛海尔洗衣机有限公司 Dispositif d'alimentation pour appareil de traitement de linge, et appareil de traitement de linge

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5938416A (en) * 1997-03-07 1999-08-17 Shimadzu Corporation Liquid transfer apparatus having a plunger pump and a diaphragm pump for cleaning the plunger during its reciprocating motion
JP2005144710A (ja) * 2003-11-11 2005-06-09 Ricoh Co Ltd 記録液用ポンプ、記録液供給装置及び画像形成装置
KR20100081256A (ko) 2009-01-05 2010-07-14 주식회사 대우일렉트로닉스 드럼세탁기용 세제투입장치
KR20120004208A (ko) 2010-07-06 2012-01-12 삼성전자주식회사 세제공급장치 및 이를 가지는 세탁기
EP2772179A1 (fr) * 2013-02-28 2014-09-03 Emainox S.p.A. Dispositif de dosage d'agents de lavage pour lave-vaisselle ou machines à laver
EP2829649A1 (fr) 2012-03-22 2015-01-28 Wuxi Little Swan Co. Ltd. Dispositif de dosage pouvant s'adapter aux variations de viscosité de détergent et son procédé de contrôle
WO2015142058A1 (fr) * 2014-03-21 2015-09-24 삼성전자주식회사 Machine à laver
EP3135180A1 (fr) * 2015-08-31 2017-03-01 Arçelik Anonim Sirketi Lave-vaisselle comprenant une unité de dosage liquide/gel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5938416A (en) * 1997-03-07 1999-08-17 Shimadzu Corporation Liquid transfer apparatus having a plunger pump and a diaphragm pump for cleaning the plunger during its reciprocating motion
JP2005144710A (ja) * 2003-11-11 2005-06-09 Ricoh Co Ltd 記録液用ポンプ、記録液供給装置及び画像形成装置
KR20100081256A (ko) 2009-01-05 2010-07-14 주식회사 대우일렉트로닉스 드럼세탁기용 세제투입장치
KR20120004208A (ko) 2010-07-06 2012-01-12 삼성전자주식회사 세제공급장치 및 이를 가지는 세탁기
EP2829649A1 (fr) 2012-03-22 2015-01-28 Wuxi Little Swan Co. Ltd. Dispositif de dosage pouvant s'adapter aux variations de viscosité de détergent et son procédé de contrôle
EP2772179A1 (fr) * 2013-02-28 2014-09-03 Emainox S.p.A. Dispositif de dosage d'agents de lavage pour lave-vaisselle ou machines à laver
WO2015142058A1 (fr) * 2014-03-21 2015-09-24 삼성전자주식회사 Machine à laver
EP3135180A1 (fr) * 2015-08-31 2017-03-01 Arçelik Anonim Sirketi Lave-vaisselle comprenant une unité de dosage liquide/gel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022193859A1 (fr) * 2021-03-16 2022-09-22 青岛海尔洗衣机有限公司 Dispositif d'alimentation pour appareil de traitement de linge, et appareil de traitement de linge

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