EP0206916B1 - Lave-linge présentant des programmes de commande qui diffèrent selon la charge - Google Patents
Lave-linge présentant des programmes de commande qui diffèrent selon la charge Download PDFInfo
- Publication number
- EP0206916B1 EP0206916B1 EP86401294A EP86401294A EP0206916B1 EP 0206916 B1 EP0206916 B1 EP 0206916B1 EP 86401294 A EP86401294 A EP 86401294A EP 86401294 A EP86401294 A EP 86401294A EP 0206916 B1 EP0206916 B1 EP 0206916B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- washing
- motor
- washing machine
- amount
- phase
- 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
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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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
-
- 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 invention relates to a washing machine with automatic operation under the control of a programmer.
- a washing machine usually comprises a perforated drum in which is placed the laundry to be washed and which rotates in a tub intended to contain the washing or rinsing water.
- washing machines for household use are automatic, the user having only to compose a program - using keys, rotary knobs or the like on the control panel of the machine - and to command the start of the execution of the program thus composed.
- a washing operation carried out by the washing machine under the control of a programmer comprises several phases: the first is a prewash phase, the second is a washing phase which is usually followed by cooling; then several (for example four) rinsing operations are carried out, and the last phase is the spinning of the laundry.
- these operations can be suppressed at the option of the user, for example prewash or spin.
- the invention relates to a washing machine with automatic operation under the control of a programmer comprising a motor, such as a synchronous motor driving a shaft of which cams are integral acting on switches to switch on or off the various parts of the washing machine as a function of the angular position of the cams, that is to say the time elapsed since the start of the execution of the program, and a second motor to rotate the shaft more quickly in order to remove or shorten certain operating phases.
- a motor such as a synchronous motor driving a shaft of which cams are integral acting on switches to switch on or off the various parts of the washing machine as a function of the angular position of the cams, that is to say the time elapsed since the start of the execution of the program, and a second motor to rotate the shaft more quickly in order to remove or shorten certain operating phases.
- This washing machine is characterized in that the switching on or off of the motor being controlled by switches or switches of the programmer, the wiring is such that the phases shortened or eliminated - compared to
- This second motor is for example connected to the electrical energy supply via switches whose open or closed state was determined during the composition of the program as a function of the load of laundry, the wiring being such that the second motor is supplied by means of such a closed switch, and one or more switches controlled by the cams during the phases to be eliminated or shortened.
- Such a programmer comprising two motors is already known from US Pat. No. 3,857,293. But until now the second motor has only been used, to shorten or eliminate certain operating phases of the washing machine, only in function the type of laundry to be washed. With the present invention, the second motor is used to make the duration of certain phases depend on the load of laundry.
- the adaptation of the washing program to the nature of the laundry is obtained by providing several distinct sectors on the cam driven by the first motor, each sector therefore corresponding to a type of laundry; in this case the selection of the program according to the nature of the laundry is obtained by positioning the cam on the sector in question from the machine control panel.
- the second motor of the programmer then exclusively has the role of adapting the program to the load.
- the washing machine is characterized in that it comprises operating phases whose execution conditions depend on the load of laundry while the cooling phase and preferably the first rinsing phase are carried out. under conditions including the amount of water independent of the load of laundry.
- the washing machine is of the perforated drum type containing the laundry and rotating around a horizontal axis.
- This perforated drum is placed inside a tank containing the washing or rinsing water.
- the mixing of the linen is obtained by means of projections which comprise the internal surface of the drum.
- the programmer comprises a first synchronous motor 12 connected on one side to a terminal 11 of the electric power supply sector and, on the other, to a conductor 15 connected itself to the other terminal 10 of the sector via a switch 14.
- the shaft (not shown) of this motor 12 carries cams (also not shown) which act on the state of switches or switches. Thus the state of these switches depends on the angular position of the motor shaft 12. The latter therefore constitutes the time measurement clock of the progress of the program.
- the switches or switches of the programmer are connected so as to turn on or off the active components of the washing machine as will be seen below. These switches or switches also make it possible to switch on or off a second motor 30 forming part of the programmer which rotates the shaft carrying the cams at a speed of rotation substantially greater than the speed imposed by the motor 12. In other words when the motor 30 is energized during the operating phases of the washing machine which, otherwise (that is to say the motor 30 at a standstill), would have been executed in a determined time are shortened or eliminated.
- the wiring is therefore as provided for a maximum program: maximum load, maximum temperature of the washing water and the motor 30 is used to shorten or delete certain ranges when the load is not maximum.
- the terminal 10 of the sector is connected, via another switch 13, to an adjustable thermostat 16 which is itself connected to a first terminal of a resistor 17 for heating the water in the lava tank -line whose other terminal is connected to a pad 19 1 of a pressure switch 19 whose common terminal 19 2 is connected to a conductor 18 itself connected to terminal 11 of the sector.
- Thermostat 16 is a switch which is closed when the temperature of the tank water is lower than a given, adjustable value, and is opened when the temperature exceeds this value.
- the pressure switch 19 is a two-position switch. It is in the first position, the terminals 19 1 and 19 2 being connected together, when the water level in the tank exceeds a predetermined value: sh mined N 1 . This pressure switch is in the second position, the terminals 19 2 and 19 3 being connected together, when the water level is below the value N 1 .
- the second terminal 19 3 of the pressure switch 19 is connected to the conductor 15 via, on the one hand, a solenoid valve 20 and, on the other hand, a two-position switch 21 whose common terminal 21 1 is directly connected to the conductor 15 and the first connection terminal 21 2 is connected to the solenoid valve 20.
- the second connection terminal 21 3 of the switch 21 is connected to a second solenoid valve 22 itself connected to terminal 19 3 of the pressure switch 19 This switch 21 is controlled by a programmer cam.
- the terminal 19s of the pressure switch 19 is also connected to a first terminal of a third solenoid valve 23 connected to the conductor 15 via another switch 24, also part of the programmer.
- the second connection terminal 24 3 of this switch 24 is connected to the motor of the drain pump 25 which, on the other side, is connected to the conductor 18.
- the first terminal 30 i of the motor 30 is connected to the conductor 15 while its second terminal 30 2 is connected to a first terminal 31 1 of a double switch 31 with four terminals and two connectors, forming part of the programmer.
- Another terminal 31 2 of the connector 31 is connected to the point common to the thermostat 16 and to the resistor 17;
- the third terminal 31 3 is connected to the conductor 18 via a switch 32 which is closed when the user has pressed a key indicating "load 1 Kg".
- the fourth terminal 31 4 of the switch 31 is also connected to the conductor 18 via a switch 33 closed when the laundry load is of the order of 2 kg.
- the terminal 30 2 of the motor 30 is also directly connected to the first switch terminals 34, 35, 36 which are closed when the user has chosen the following respective functions: load of laundry of the order of 4 kg, load of laundry of the order of 3 kg, and draining (that is to say elimination of the spinning operation).
- the second terminal of the switch 34 is connected to a terminal 37 4 of a double switch 37, forming part of the programmer and similar to the switch 31, with another terminal 37 2 connected directly to the conductor 18, a terminal 37 1 connected to the second terminal of the switch 36 and a terminal 37 3 connected to the common contact 39 1 of a second pressure switch 39 sensitive to a level N 2 of water in the tank greater than the first level N 1 to which the first pressure switch 19 is sensitive
- a terminal 39 2 of the pressure switch is connected to the common terminal 38 3 of a switch 38 of the programmer, the first connection terminal 38 1 of which is connected to the second terminal of the switch 35 (load 3 kg) and the second of which connection terminal 38 2 is connected to terminal 19s of pressure switch 19.
- the terminals 21 1 and 21 2 of the switch 21 are interconnected.
- the connection 19 2 -19 s is established, the tank not yet containing water.
- the solenoid valve 20 is energized, the switch 14 being closed (as is the case throughout the course of the program).
- the tank must be filled to level N 2 the programmer and the wiring require that the switch 38 is connected so that the contacts 38 2 and 38 3 are connected and that in the switch 37 it is the terminals 37 2 and 37s which are interconnected. If, for example for a low load, the tank should only be filled at the single level Ni the connection is such that the motor 30 is supplied so that the connection 38 2 -38s is quickly opened during this filling and thus the level of water in the tank does not have time to reach level N 2 .
- the time for stirring the laundry that is to say the time which elapses between the opening of the thermostat 16 and the end of the actual washing phase, depends on the state of the switches 32, 33 , 34 and 35.
- the rinsing time after opening the thermostat 16 is, for a load of 3.4 or 5 kg of 33 min, for a load of 2 kg, 21 min and for a load of 1 kg, 15 min.
- the programmer controls the switches to supply the solenoid valve 23 in order to fill the water level in the tank to the value N 2 and maintain it for 3 min.
- the motor of the pump 25 is supplied.
- connection 311-312 is still established when the thermostat 16 opens.
- this connection is already interrupted, the water heating phase having lasted for a time greater than a given value, for example 27 min for a load of 5 kg. In this case the brewing time without heating is less than 33 min.
- the switch 32 For a load of 1 kg of laundry, the switch 32 is closed and the wiring is such that certain operations are eliminated or shortened. In this case, for example, a rinsing is eliminated, that is to say when the start of this rinsing arrives, the contacts 31 1 and 31 3 are connected together to supply the motor 30 during this phase and thus go to the next rinsing phase or another phase of the program.
- connection 31 1 , 31 4 is established to suppress a rinse or another operation.
- a connection 31 1 -31 3 and a connection 31 s -31 4 are established .
- the switch 34 For a load of 4 kg of linen the switch 34 is closed and it is the connection 37 4 -37 2 which is established to supply the motor 30 in order to suppress or shorten one or more operations. In the example, for this load, only the duration of a rinsing phase is reduced compared to a 5 kg load program.
- connection 38 1 -38 3 is established on the one hand by the switch 38 and, on the other hand, a connection 37 2 - 37 3 .
- a rinsing operation is eliminated.
- the first column on the left, we indicate the laundry loads in Kilograms weight
- the first number corresponds to the duration of the operation imposed by the programmer and the level N 2 or Ni corresponds to the height of water in the tank.
- the third column indicated “washing” the water level in the tank is always imposed at the lowest Ni value, to allow to complete at level N 2 during the subsequent cooling phase.
- the first figures on the left are the approximate times in minutes of heating the water in the tank for setting the thermostat 16 to temperatures of respectively: near ambient, 40 ° C , 60 ° C and 90 ° C. These times are not imposed by the programmer.
- the second part relates to the mixing times without heating for the various temperatures indicated above. These durations are imposed by a programmer. However, it has been seen that if the heating time exceeds 27 min the stirring time is shortened so that the total time of the washing operation does not exceed a predetermined value. Thus for loads of 3, 4 and 5 kg the total duration of washing is imposed at 60 minutes maximum. For a load of 2 kg the total duration of the washing phase is a maximum of 48 minutes and 42 minutes for a load of 1 kg. For loads of 3, 4 and 5 kg the maximum duration of brewing without heating is 33 min; this brewing time is 21 min and 15 min respectively for loads of 2 kg and 1 kg.
- the fourth column corresponds to the cooling phase which is the same whatever the load and the temperature: water level N 2 , duration 3 min.
- the durations of the rinsing phases are indicated in minutes and the water levels Ni or N 2 .
- This table has been drawn up for cotton linen. Note, however, that this table also corresponds to the treatment program for other types of laundry, for example for a full load of synthetic fabric, the user will indicate a load of maximum 3 kg and the washing temperature is chosen according to this fabric.
- the washing programs are practically the same regardless of the nature of the laundry, the only difference being the heating temperature of the water.
- the programmer cam which acts on the states of the switches 21, 24, 31, etc. is divided into several sectors, for example three, each sector corresponding to a type of laundry.
- the sector selection is made by the user from the machine control panel.
- the role of the motor 30 is to shorten or eliminate certain operating steps when the load is less than the maximum load. In other words, in the latter case, the motor 30 exclusively has the role of adapting the program to the load.
- the table also shows that the conditions for carrying out the cooling phase and the first rinse are independent of the load of laundry, while others depend on their duration and the amount of water used on the load of laundry.
- the independence of the conditions for carrying out the cooling phase and the first rinse with regard to the load of laundry results from the following observation: washing machines are not usually fitted with automatic product dosing devices detergent, the user chooses the quantity of such products introduced into the machine. The choice is usually such that the quantity is excessive when the load of laundry is not maximum.
- the durations and water levels for the cooling phase and for the first rinse are independent of the laundry load and correspond to the maximum load.
- the conditions for carrying out the cooling phase are independent of the load, the conditions for the first rinsing then being able to vary with this load.
- the duration of the prewash is a function of the load.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Television Systems (AREA)
- Television Signal Processing For Recording (AREA)
- Control Of Multiple Motors (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Control Of Ac Motors In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86401294T ATE48662T1 (de) | 1985-06-13 | 1986-06-13 | Waschmaschine mit verschiedenen von belastungen abhaengigen steuerprogrammen. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8508978 | 1985-06-13 | ||
FR8508978A FR2583437B1 (fr) | 1985-06-13 | 1985-06-13 | Lave-linge presentant des programmes de commande qui different selon la charge |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0206916A1 EP0206916A1 (fr) | 1986-12-30 |
EP0206916B1 true EP0206916B1 (fr) | 1989-12-13 |
Family
ID=9320204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86401294A Expired EP0206916B1 (fr) | 1985-06-13 | 1986-06-13 | Lave-linge présentant des programmes de commande qui diffèrent selon la charge |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0206916B1 (fi) |
AT (1) | ATE48662T1 (fi) |
DE (1) | DE3667509D1 (fi) |
ES (1) | ES8705543A1 (fi) |
FI (1) | FI83889C (fi) |
FR (1) | FR2583437B1 (fi) |
GR (1) | GR861542B (fi) |
IL (1) | IL79096A0 (fi) |
IN (1) | IN166658B (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3741792A1 (de) * | 1987-12-10 | 1989-06-22 | Licentia Gmbh | Verfahren zur reduzierung der programmablaufzeiten, insbesondere bei haushaltwaschmaschinen |
DE4313814B4 (de) * | 1993-04-27 | 2004-09-30 | BSH Bosch und Siemens Hausgeräte GmbH | Automatisch gesteuerte Haushaltmaschine zum Waschen und Spülen von Wäsche |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2801373A (en) * | 1953-09-08 | 1957-07-30 | Oak Mfg Co | Automatic cycling control |
US2870834A (en) * | 1955-01-31 | 1959-01-27 | Gen Motors Corp | Two speed timer |
CH385156A (de) * | 1958-05-07 | 1964-12-15 | Siemens Elektrogeraete Gmbh | Waschautomat |
CH382101A (de) * | 1959-02-11 | 1964-09-30 | Siemens Elektrogeraete Gmbh | Anordnung eines Programmsteuergerätes bei einer Waschmaschine |
US3125695A (en) * | 1960-01-19 | 1964-03-17 | Certificate of correction | |
NL6501560A (fi) * | 1965-02-09 | 1966-08-10 | ||
US3470718A (en) * | 1967-10-02 | 1969-10-07 | Charles C Scourtas | Washing machine load weighing and control apparatus |
US3589148A (en) * | 1968-06-06 | 1971-06-29 | Westinghouse Electric Corp | Clothes washing apparatus with variable agitation |
US3664207A (en) * | 1970-08-17 | 1972-05-23 | Gen Electric | Dual ratchet clutch drive |
US3673823A (en) * | 1971-02-22 | 1972-07-04 | Gen Electric | Small or large load automatic washer |
US3857293A (en) * | 1974-02-07 | 1974-12-31 | Sarkes Tarzian | Timer |
AU525345B2 (en) * | 1978-04-04 | 1982-11-04 | Tokyo Shibaura Denki Kabushiki Kaisha | Automatic washer |
FR2450305A1 (fr) * | 1979-03-02 | 1980-09-26 | Martin Usines Fonderies Arthur | Dispositif hybride de programmation pour machine a laver le linge |
-
1985
- 1985-06-13 FR FR8508978A patent/FR2583437B1/fr not_active Expired
-
1986
- 1986-05-28 IN IN471/DEL/86A patent/IN166658B/en unknown
- 1986-06-11 IL IL79096A patent/IL79096A0/xx not_active IP Right Cessation
- 1986-06-11 FI FI862496A patent/FI83889C/fi not_active IP Right Cessation
- 1986-06-12 ES ES555974A patent/ES8705543A1/es not_active Expired
- 1986-06-13 DE DE8686401294T patent/DE3667509D1/de not_active Expired - Fee Related
- 1986-06-13 EP EP86401294A patent/EP0206916B1/fr not_active Expired
- 1986-06-13 GR GR861542A patent/GR861542B/el unknown
- 1986-06-13 AT AT86401294T patent/ATE48662T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GR861542B (en) | 1986-10-14 |
DE3667509D1 (de) | 1990-01-18 |
FI83889B (fi) | 1991-05-31 |
EP0206916A1 (fr) | 1986-12-30 |
FI83889C (fi) | 1991-09-10 |
ES8705543A1 (es) | 1987-05-01 |
FI862496A (fi) | 1986-12-14 |
IN166658B (fi) | 1990-06-30 |
FR2583437B1 (fr) | 1988-04-08 |
ES555974A0 (es) | 1987-05-01 |
ATE48662T1 (de) | 1989-12-15 |
IL79096A0 (en) | 1986-09-30 |
FI862496A0 (fi) | 1986-06-11 |
FR2583437A1 (fr) | 1986-12-19 |
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