EP0474848B1 - Procede et dispositif d'alimentation d'un compartiment en produits de traitement notamment d'une machine a laver le linge - Google Patents

Procede et dispositif d'alimentation d'un compartiment en produits de traitement notamment d'une machine a laver le linge Download PDF

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Publication number
EP0474848B1
EP0474848B1 EP91907530A EP91907530A EP0474848B1 EP 0474848 B1 EP0474848 B1 EP 0474848B1 EP 91907530 A EP91907530 A EP 91907530A EP 91907530 A EP91907530 A EP 91907530A EP 0474848 B1 EP0474848 B1 EP 0474848B1
Authority
EP
European Patent Office
Prior art keywords
control
machine
program
fact
supplied
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP91907530A
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German (de)
English (en)
French (fr)
Other versions
EP0474848A1 (fr
Inventor
PaulLéon Chabard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Crystal Chemical Co
Original Assignee
Crystal Chemical Co
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 Crystal Chemical Co filed Critical Crystal Chemical Co
Publication of EP0474848A1 publication Critical patent/EP0474848A1/fr
Application granted granted Critical
Publication of EP0474848B1 publication Critical patent/EP0474848B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • D06F34/08—Control circuits or arrangements thereof

Definitions

  • the present invention relates to a method and a device for supplying at least one compartment of a treatment machine with doses of different treatment products, in particular a compartment of a washing machine with doses of different liquid treatment products for the latter.
  • control members which generally include a driven strip provided with perforations associated with means for detecting these perforations (CH-A-663235).
  • Each line of perforations is associated with a particular member to control the washing machine, for example the drum drive motor, the water supply or drain valves.
  • a strip provided with perforations having a different configuration is used.
  • the aforementioned strip is provided with several lines of complementary perforations which are respectively associated with the treatment products and which make it possible to control the introduction of the different treatment products. treatment at predetermined times in the treatment process.
  • the length of each of the perforations determines the duration of operation of the means which allow the introduction of each of the treatment products into the washing machine.
  • the present invention aims in particular to remedy these drawbacks.
  • the method according to an object of the invention makes it possible to supply at least one compartment of a treatment machine with doses of different treatment products, in particular a compartment of a washing machine with doses of different liquid laundry treatment products. , each product being supplied using a particular transfer means and the machine being subjected to an operating process.
  • the method according to the invention consists in generating, at predetermined times during the process of operating the machine, a control signal that is identical each time; associating with the succession of identical control signals a program for selective control of said means of transfer and of volumetric quantities of the corresponding products; and to selectively control, in accordance with said program, the transfer means as the control signals appear during the operating process of the machine, this control consisting, for each product to be supplied, to start up its transfer means at the appearance of the associated signal, to measure the volume of this product supplied to the compartment and to stop this transfer means when the volume supplied of this product to the compartment corresponds to the volumetric quantity predetermined in accordance with said program.
  • the method according to the invention preferably consists of counting the control signals and memorizing the number of signals appeared from the start of the machine's operating process.
  • the method according to the invention may advantageously consist in controlling each of the transfer means so that they supply predetermined volumetric quantities of product.
  • the present invention also relates to a supply device particularly suitable for the implementation of the above method.
  • this device comprises means for generating a control signal at predetermined times during the operating process of the machine, means for memorizing a program for selective control of the means of transfer and of volumetric quantities of the products. corresponding, control means connected to said means successively generating a control signal and to said storage means and selectively controlling the starting and stopping of said transfer means in accordance with the stored program, each transfer means comprising a control means for measuring the volumetric quantity of product supplied, which is connected to said control means, as well as means for comparing this quantity with the memorized volumetric quantity.
  • said control means can be constituted by a flow meter.
  • said storage means are preferably adapted to store several control programs, the device further comprising selection means for selecting one of these programs.
  • the device preferably comprises means for counting and memorizing the number of control signals generated from the start of the machine operating process, these means being connected to the program memorization means and to the aforementioned control means .
  • each transfer means preferably comprises a flow meter for measuring the volume of product introduced into the machine.
  • the device according to the invention may also comprise programming means making it possible to constitute the selective control programs for the transfer means and / or to fix the volumetric quantities of product to be supplied.
  • the means for controlling the operating process of the machine can advantageously comprise a perforated strip, said means for generating a control signal comprising means for detecting perforations made in said strip and arranged in an aligned direction. scrolling of this strip.
  • the means for controlling the operating process of the machine include a programmed automaton.
  • the washing machine 1 comprises a washing compartment 2 in which is provided a drum not visible in the figure.
  • This machine 1 is subjected to a control member 3 which manages its operating process and which controls, for example, the drum drive motor, possibly at different speeds, the water supply members, the discharge bodies of the , treatment temperatures.
  • a control member 3 which manages its operating process and which controls, for example, the drum drive motor, possibly at different speeds, the water supply members, the discharge bodies of the , treatment temperatures.
  • the member 3 is equipped with a strip 4 which has different lines of perforations 5 associated respectively with the members to be controlled by the machine 1.
  • the perforated strip 4 is driven by a member d 'drive not shown which allows it to scroll at constant speed in front of detection members 6 of the different lines of perforations 5.
  • detection means 6 are optical or mechanical. In general, they control the components of the machine when they detect the perforations, the length of the latter determining the duration of operation of the components of the machine.
  • the washing machine 1 is equipped with a device for feeding various liquid laundry treatment products, generally identified by the reference 7.
  • the device 7 comprises four reservoirs 8 to 11 which each contain a different treatment liquid product.
  • the tanks 8 to 11 are respectively connected to a duct 12 connected to the compartment of the washing machine 1 by means of parallel ducts 13 to 16 on which are provided transfer pumps 17 to 20 and flow meters 21 to 24 respectively. .
  • the supply device 7 also comprises an electronic control circuit 25 which allows the control of the pumps 17 to 20 and which receives the flow information supplied by the flow meters 21 to 24.
  • the supply device 7 also comprises an electronic circuit for storing control programs which is connected to the control circuit 25 as well as a program selector 27 which is connected to the electronic control circuit 25 and to the electronic storage circuit 26.
  • the supply device 7 further comprises a detector 28 which makes it possible to successively detect, during the travel of the perforated strip 4, perforations 29 produced on a line 30 of this strip 4 at predetermined locations with respect to the various perforations 5 managing the operating process of the washing machine 1.
  • the detector 28 provides, on each detection of a perforation 29, a control signal each time identical to the electronic control circuit 25.
  • the perforations 29 therefore constitute a signal program based on the operating process of the washing machine 1.
  • Each control program contained in the storage circuit 26 is designed so that it makes it possible to associate the succession of identical control signals supplied by the detector 28 with the passage of the succession of perforations 29 during the running of the strip. 4, a particular program for selective control of the pumps 17 to 20 and of the determined quantities of the products to be supplied to the machine.
  • each control program contained in the program storage circuit 26 can provide for the absence of control of the pumps 17 to 20, the control of the one of the pumps for the supply of a determined quantity of the liquid contained in the reservoir associated with this pump or the control of several of the pumps for the supply of a determined quantity of the liquid contained in the reservoirs which are respectively associated with them.
  • a comparator is incorporated into the electronic control circuit 25, this comparator being adapted to compare the volumetric quantity of product supplied and the volumetric quantity stored in circuit 26, and this for each product.
  • the electronic control circuit 25 starts the pump or pumps to be controlled and stops their operation when the flow meter associated with them indicates that the programmed volume of liquid is supplied to the washing machine 1.
  • the strip 4 has perforations 5 corresponding to an operating process of the washing machine 1 or cycle for treating the laundry contained in its compartment 2 which successively comprises a washing period, a rinsing period and a spinning period.
  • Two aligned perforations 29 are provided on the strip 4, one in the middle of the washing period and the other at the start of the rinsing period.
  • the storage circuit 26 contains a program P1 designed so that on receipt of the first control signal supplied by the detector 26 when the first perforation 29 passes, the control circuit 25 starts the pump 17 and stops this last when the flow meter 21 indicates that the volume V1 of the product is supplied to the machine, and so that upon reception of the second control signal supplied by the detector 28 when the second perforation 29 passes, the control circuit 25 does not control any of the pumps 17 to 20.
  • the operator having mounted the perforated strip 4 on the control member 3 of the washing machine 1 and selected the program P1 on the program selector 27, he starts the washing machine 1.
  • the operating process of the latter is managed by the perforations 5 and the process for supplying treatment product is managed by the perforations 29 in accordance with the selected program P1 described above.
  • control circuit 25 controls the pump 17 and stops this pump when the flow meter 21 signals that the volume V1 is supplied and at the second signal supplied by the detector 28 when the second perforation 29 passes, the control circuit 25 starts the pump 18 and stops the latter when the volume V2 of the treatment liquid contained in the reservoir 9 is provided.
  • This strip is also provided with a succession of perforations 29 which are provided in correspondence with the perforations 5, at the start of the prewash process, at the start of the washing process and at the start of the rinsing process.
  • the storage circuit 26 contains a program P3, which the operator selects with the selector 27, such that on receipt of the first control signal supplied by the detector 28 when the first perforation 29 passes, the control circuit 25 starts the pumps 19 and 20 respectively and stops the latter respectively when the flow meters 23 and 24 indicate that the volumes V3 and V4 are supplied, such as on reception of the second signal supplied by the detector 28 during the passage of the second perforation 29, the control circuit 25 starts the pump 17 and stops the latter when the flow meter 21 indicates that the volume V1 of product 8 is introduced, and such that, when the detector 28 provides a control signal during the passage of the third perforation 29, the control circuit 25 does not control any of the pumps 17 to 20.
  • P3 which the operator selects with the selector 27, such that on receipt of the first control signal supplied by the detector 28 when the first perforation 29 passes, the control circuit 25 starts the pumps 19 and 20 respectively and stops the latter respectively when the flow meters 23 and 24 indicate that the volumes V3 and V4 are supplied, such as on reception of the second signal supplied by the detector 28
  • the programming circuit 26 comprises a control program P4 which takes up the control program P 'and which also makes it possible to introduce a volume V2 of the product contained in the reservoir 9 during the passage of the third perforation 29 of the strip 4' in front of the detector 28.
  • the supply device 7 further comprises a programming circuit 31 provided with a programming keyboard and connected to the storage circuit 26 and to the selector 27.
  • the operator makes the selective control programs for the pumps as a function of the perforations 29 in the strips 4 and fixes the volumetric quantities of the treatment products to be supplied to the washing machine 1.
  • the operator can adapt the choice to treatment product supply program depending on the laundry to be treated and the operating process of the washing machine 1. It can for example modify the quantities of treatment products to be supplied in an already established pump control program.
  • the supply device 7 further comprises a counting and memorizing circuit 30 which allows the counting of the control signals supplied by the detector 28 from the start of the processing process generated by the strip 4. Thus, if this process of treatment is stopped, for example because of a cut in the electrical supply circuit of the washing machine 1, the control device 7 can then resume the process of supplying treatment liquid products when restarting machine 1, where it had been interrupted.
  • the present invention is not limited to the example described above.
  • the strip 4 provided for controlling the treatment or operating process of the washing machine 1 and for controlling the means for transferring the products to the compartment of the latter, could be replaced by an electromechanical programmer or automaton. or electronic devices which would be suitable for supplying a succession of identical control signals at predetermined times during the operating process of the washing machine 1 that it would generate, this succession being able, moreover, to be programmable.
  • the present invention can also be applied to a washing machine with several compartments, and to all other product processing machines into which it is desired to introduce treatment products, liquids or others.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Detergent Compositions (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
EP91907530A 1990-04-03 1991-04-03 Procede et dispositif d'alimentation d'un compartiment en produits de traitement notamment d'une machine a laver le linge Expired - Lifetime EP0474848B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9004267A FR2660455A1 (fr) 1990-04-03 1990-04-03 Procede et dispositif d'alimentation d'un compartiment en produits de traitement notamment d'une machine a laver le linge.
FR9004267 1990-04-03
PCT/FR1991/000270 WO1991015623A1 (fr) 1990-04-03 1991-04-03 Procede et dispositif d'alimentation d'un compartiment en produits de traitement notamment d'une machine a laver le linge

Publications (2)

Publication Number Publication Date
EP0474848A1 EP0474848A1 (fr) 1992-03-18
EP0474848B1 true EP0474848B1 (fr) 1994-08-24

Family

ID=9395409

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91907530A Expired - Lifetime EP0474848B1 (fr) 1990-04-03 1991-04-03 Procede et dispositif d'alimentation d'un compartiment en produits de traitement notamment d'une machine a laver le linge

Country Status (10)

Country Link
US (1) US5208930A (da)
EP (1) EP0474848B1 (da)
JP (1) JPH05500627A (da)
AT (1) ATE110424T1 (da)
CA (1) CA2056376A1 (da)
DE (1) DE69103599T2 (da)
DK (1) DK0474848T3 (da)
ES (1) ES2059134T3 (da)
FR (1) FR2660455A1 (da)
WO (1) WO1991015623A1 (da)

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US5787735A (en) * 1995-10-11 1998-08-04 Surry Chemicals, Inc. Bleach liquor recovery system
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US6257254B1 (en) * 1997-11-14 2001-07-10 Steris Corporation Cleaning system for a washer
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US6082149A (en) * 1998-10-06 2000-07-04 Advanced Micro Devices, Inc. Chemical washing system including a chemical dispensing system and suitable for use within a semiconductor fabrication clean room
US6463611B1 (en) * 1999-04-02 2002-10-15 Ecolab, Inc. Apparatus for dispensing incompatible chemicals to a common utilization point
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US6434772B1 (en) * 2000-10-24 2002-08-20 U.N.X. Incorporated Chemical dispensing system
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BR112018075525B1 (pt) 2016-06-09 2022-11-29 Unilever Ip Holdings B.V. Dispositivo para fornecer uma dose do produto para lavagem de tecidos
EP3469132A1 (en) 2016-06-09 2019-04-17 Unilever PLC Laundry liquid mixing apparatus
TR202004710U5 (tr) 2017-10-05 2021-01-21 Unilever Nv Özelleştirilmiş çamaşır yıkama için usuller ve aygıtlar.
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Also Published As

Publication number Publication date
CA2056376A1 (fr) 1991-10-04
JPH05500627A (ja) 1993-02-12
ATE110424T1 (de) 1994-09-15
FR2660455A1 (fr) 1991-10-04
EP0474848A1 (fr) 1992-03-18
ES2059134T3 (es) 1994-11-01
DE69103599D1 (de) 1994-09-29
DK0474848T3 (da) 1995-02-13
DE69103599T2 (de) 1995-01-19
WO1991015623A1 (fr) 1991-10-17
US5208930A (en) 1993-05-11

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