EP2488087A2 - Household appliance, in particular a household dishwashing machine - Google Patents
Household appliance, in particular a household dishwashing machineInfo
- Publication number
- EP2488087A2 EP2488087A2 EP10757417A EP10757417A EP2488087A2 EP 2488087 A2 EP2488087 A2 EP 2488087A2 EP 10757417 A EP10757417 A EP 10757417A EP 10757417 A EP10757417 A EP 10757417A EP 2488087 A2 EP2488087 A2 EP 2488087A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- household appliance
- actuator
- display means
- operating state
- run
- 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.)
- Granted
Links
- 238000004851 dishwashing Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000002441 reversible effect Effects 0.000 claims 1
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0047—Energy or water consumption, e.g. by saving energy or water
-
- 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
- A47L15/4293—Arrangements for programme selection, e.g. control panels; Indication of the selected programme, programme progress or other parameters of the programme, e.g. by using display panels
-
- 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
- A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
-
- 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
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/20—Time, e.g. elapsed operating time
-
- 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
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/26—Indication or alarm to the controlling device or to the user
-
- 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
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/32—Stopping or disabling machine operation, including disconnecting the machine from a network, e.g. from an electrical power supply
Definitions
- Household appliance in particular household dishwasher
- the invention relates to a household appliance, in particular a domestic dishwasher, at least having an operating display with at least one optical display means.
- Household appliances have an operation display with at least optical display means, for example LEDs, with which during operation of the household appliance operating parameters, etc., and after completion of a
- Treatment process can be displayed according to a program that the treatment process has been completed. However, the household appliance remains at the end of the program on the power grid until the customer actively intervenes and turns off the household appliance by pressing the main switch.
- the object of the invention is to provide a domestic appliance, in particular household dishwasher, in which the energy consumption is further reduced.
- the household appliance of a household appliance supplying electrical energy
- Power supply network separated, and the visual display means are adapted to indicate after disconnection from the supply network at least the completion of the completed treatment process.
- the appliance is completely from the
- the display means may comprise an electronic paper, the text and / or images permanently without power supply, so a maintenance voltage, can display.
- the display can be changed at a later time by power supply.
- the display means may comprise mechanical indicators or information carriers, such as flaps, which immediately before entry of a
- the display means may comprise a memory metal element, which in
- the display means may be fed in a state independent of the power supply system by means of a capacitor.
- the display means themselves can be designed to save energy as a so-called low-power LED or transflective LCDs here.
- the non-energized optical display means can complete the completion of the treatment process, i. Rinse, or indicate a standby state of the household appliance.
- This embodiment is based on investigations, according to which a period of time between the conclusion of the actual treatment process and a subsequent treatment process can be in the range of hours or days.
- the main switch is therefore not turned off, in particular the optical display means indicating the end of the program remain activated until the following treatment process.
- the energy consumption of the household appliance can be markedly increased in the annual energy balance.
- the display means may comprise a mechanically adjustable information carrier, which is adjustable to display different operating conditions.
- the information carrier can partially with a display window of the Display means are brought into overlap. With mechanical adjustment of the information carrier, different display segments of the information carrier can be brought into coincidence with the display view window, whereby the
- the information carrier can be adjusted by means of a particular electrical actuator between the two operating states.
- the actuator for a change from the display of the first operating state to the display of the second operating state can be acted upon only with a voltage pulse and this is otherwise energy-free.
- Operating state such as the already mentioned treatment process, be permanently energized. Only in a de-energized state then the actuator is automatically in the second operating state.
- the actuator can be designed as an electromagnetic, linearly adjustable actuator with a working ram, which is attached to a magnet armature and can be linearly adjusted by means of an electromagnetic coil.
- the actuator may have a memory metal element which adjusts the information carrier in a current state to a first position for displaying the first operating state in a position for displaying the second operating state.
- the actuator may be embodied as a bistable actuator, which in the
- de-energized state at least a first position to display the first
- the bistable actuator can be switched by means of electrical actuation from the first to the second position and vice versa.
- the electrical actuation can be generated by means of a voltage pulse.
- the power switch and a circuit breaker are arranged in parallel.
- the power supply network can be applied, for example, to a switch formed on a microswitch and to the switching element connected in parallel therewith. at shut down home appliance, both the power switch and the switching element are open.
- the deactivated, that is open switching element of the self-holding contact circuit can be bypassed, whereby the control device is acted upon by a voltage pulse.
- the voltage pulse is passed via the control device to the self-holding contact circuit, whereby the self-holding contact circuit closes the switching element. In this way, current flows from the network via the now closed switching element
- the power switch and the off switch an input and / or off-pulse are transmitted to the control device. It is further preferably provided that the power supply with the power switch and the circuit breaker is arranged forming a series circuit. In addition, it is preferably provided that the control device is connected to the power supply with electrical energy supplied. It is further preferably provided that the operating display is connected to the power supply with electrical energy supplied. Finally, it is preferably provided that the self-holding contact circuit is assigned to a controllable by the controller control.
- the self-holding contact circuit may preferably have a bistable relay with which a relay contact acting as a switching element can be switched.
- a bistable relay is characterized above all by the property that it can assume two different stable switching states when de-energized.
- a relay contact of the bistable relay may be connected as the switching element in the main supply line of the household appliance.
- the bistable relay is energized with the turn-off signal, it switches the relay contact from a stable de-energized open state to a stable de-energized closed state, or vice versa, whereby the household appliance completely decoupled from or connected to the grid.
- a flip-flop in particular an RS flip-flop, can also be used.
- the self-holding contact circuit is connected to the circuit breaker such that the circuit breaker can be brought into an open state, so that a separation of the supply voltage is possible in a simple way.
- the display means can be supplied from an energy store of the household appliance with electrical energy after separation from the power supply network.
- a display means is used, which consumes electrical energy during operation.
- a display means can be a very small one
- Energy consuming components are used, such. low power LED or transflective LCDs, so that a sufficient operating time is guaranteed.
- the energy storage device is rechargeable with electrical energy when the household appliance is connected to the power supply network. This is the case, for example, in the case of a new start-up, so that a sufficient operating time is always ensured.
- the energy store may be e.g. to act on an accumulator associated with the display means, i. this alone is supplied with electrical energy when the household appliance is disconnected from the power supply network.
- an accumulator associated with the display means i. this alone is supplied with electrical energy when the household appliance is disconnected from the power supply network.
- the energy storage is a capacitor of an electric drive of the household appliance, in particular a pump motor.
- the energy storage may be e.g. one as
- FIG. 2 shows a circuit arrangement of the household dishwasher
- FIG. Fig. 3 the optical display means with associated actuator according to the first
- Fig. 1 is shown as an exemplary embodiment of a household appliance, a household-domestic dishwasher with a front door GT, which is pivotable about a bottom horizontal pivot axis in a known manner and with a feed opening of the washing compartment BR for loading and / or unloading can be opened or closed.
- the loading opening is bounded above by a control panel B, which carries a micro-switch ES and a merely indicated operating display BA with optical display means AZ1 and with optical display means AZ2.
- the optical display means AZ1 indicate operating parameters, for example.
- the optical display means AZ2 indicates the operation during a wash program run and the end of the program after the wash program ends.
- input means E are provided with which operating parameters for a rinse cycle of the domestic dishwasher can be entered.
- the provided in Fig. 1 in the left area of the control panel B microswitch ES is exemplified here as a key switch.
- the household dishwasher can be connected to the power supply network, so that it is switched to operational readiness, while at a
- the household dishwasher is decoupled from the power grid.
- Micro switch ES and the operating indicator BA are integrated. In the shown arrangement is the household dishwasher over a
- Main supply line H connected to the power supply network.
- Main supply line H is a later-described switching element AS1 and a power supply NT connected in series.
- the power supply unit NT converts the mains voltage of, for example, 230 V into a low voltage of 12 V.
- the low voltage 12V is converted into a low voltage of 5 V by means of a regulator RG connected in series with the power supply NT, with which a control device SE is supplied.
- the power supply unit NT also supplies additional device components via additional outputs as well as the optical display means AZ1 and AZ2 of the operating display BA of the household dishwasher with low voltage.
- the control device SE is integrated in a control module not shown in detail and controls during the execution of a wash program via a first signal line SL1, the optical display means AZ1 operating indicator BA, via a second signal line SL2, the optical display means AZ2 and other device component, such as
- control device SE controls the display means AZ2 of the operating display BA via the second signal line SL2 in order to indicate the program end of the household dishwasher.
- the display means AZ2 is shown in more detail in FIG. 3 in a first embodiment. Consequently, the display means AZ2 has a recessed in the front panel B of the household dishwasher viewing window SF. Behind the
- Viewing window SF is arranged behind an adjustable, plate-shaped information carrier IT. This has two display segments "OFF" and "RUN”. Depending on
- the information carrier is IT with a
- Transfer ram US connected as an electromagnetic actuator actuator AK connected.
- the transfer ram US is at one within a sleeve-shaped Anchor housing AG linearly adjustable guided magnet armature MA attached.
- a compression spring DF is clamped, which presses the transfer tappet US together with the information carrier IT to the right in FIG.
- On the outer circumference of the armature housing AG sits an electromagnetic coil EMS.
- This is supplied via connecting lines S A from the power supply NT with a low voltage of 12V.
- a switch AS2 is connected, which is shown in Fig. 3 in its open position.
- the switch AS2 is in turn controllable via the signal line SL2 of the control device SE between its open or closed position.
- the electromagnetic coil EMS is de-energized and therefore the transfer tappet US is displaced to the right.
- the control device SE is connected via a third
- bistable relay RE Signal line SL3 connected to a bistable relay RE a self-holding contact circuit SKS.
- the bistable relay RE is the relay contact already mentioned
- Associated switching element AS1 which is connected in place of a mechanical main switch in the main supply line H.
- the switching element AS1 therefore assumes a main switch function, with which the household dishwasher can be decoupled from the power supply network or connected to it.
- Household dishwasher is carried out by means of a pressure actuation of the microswitch ES in its closed position, so that the initially open switching element AS1 is bridged.
- the pressure of the microswitch ES is a
- the control unit SE then forwards a switch S, a further bistable to the relay RE, after which the relay coil is energized and de-energized by the switch member AS1 stable open state is spent in a likewise normally closed stable state.
- a switch S a further bistable to the relay RE
- the relay coil is energized and de-energized by the switch member AS1 stable open state is spent in a likewise normally closed stable state.
- the pressure actuation again open microswitch ES is bridged by the now closed switching element AS1, whereby the power supply NT permanently applied to the mains voltage.
- the household dishwasher is thus switched ready for operation, so that subsequently by means of the input means E, a washing program can be started.
- the respective set operating parameters are displayed by the optical display means AZ1.
- a control signal is applied to the optical display means AZ2, which is generated by the control device SE.
- the display segment "RUN" of the information carrier IT is brought into coincidence with the display view window SF, so that the current rinse cycle is indicated by the visual display means AZ2 as such.
- control device SE switches the
- control device SE Immediately after the end of the wash program, the control device SE also generates a voltage pulse, which activates the bistable relay RE as the switch-off signal S off via the third signal line SL3. Then the relay RE switches the switching element AS1 from the normally closed stable position in the normally open position, whereby the
- Household dishwasher is completely disconnected from the mains.
- the power supply to the actuator AK of the optical display means AZ2 is interrupted, so that the spring-biased transfer ram US of the armature MA is pushed by the spring force of the compression spring DF in its initial position in which the display segment "OFF" of the information carrier IT is brought into coincidence with the viewing window SF, so that the program end of the wash cycle of the household dishwasher de-energized is shown.
- the microswitch ES is in signal connection via an input line EL directly to the control device SE.
- the voltage pulse provided by a manual pressure actuation of the microswitch ES is therefore also conducted directly to the control device SE, which detects and evaluates the pulse.
- the control device SE Upon detection of such a voltage pulse, the control device SE checks whether the power supply NT is already activated during the pressure actuation of the microswitch ES. When not activated, power supply PS, the controller SE detects a turning-on operation of the user, and controls, as described above, with the switch-S on the relay RE to. When already activated power supply NT recognizes the controller SE in the micro-switch pressure actuation a switch off operation of the user, so that the control device SE a corresponding switch-off signal S out to the relay RE. In this case, the household dishwasher is put out of action. An optionally currently running wash program is thus interrupted.
- FIG. 4 shows the actuator AK of the optical display means AZ2 according to a second exemplary embodiment.
- the display means AZ2 of FIG. 4 in the current-carrying state shows the current operation during the execution of the wash program.
- the optical display means AZ2 indicates the end of the program.
- the actuator AK shown in FIG. 4 has a kind of accordion
- the memory metal element ME is held stationary with its left in FIG. 4 end. With its right-hand end, the memory metal element ME with the information tion carrier IT in conjunction. This is in turn biased by the biasing spring VF to the right side, so that in the de-energized state, the display segment "OFF" of the information carrier IT appears in the window SF
- the information carrier is slidably mounted between indicated upper and lower guides FU.
- the circuit breaker AS2 is as in the first embodiment in signal connection SL2 with the control device SE. This controls during the rinse the off switch AS2 in its closed position.
- the current-carrying memory metal element ME thus contracts against the spring force of the biasing spring VF, whereby the display segment "RUN" appears in the viewing window SF, which indicates that the washing program is currently running.
- the household dishwasher After the end of the program, as explained with reference to FIG. 2, the household dishwasher is completely disconnected from the power supply network. Accordingly, after switching off the household dishwasher, the memory metal element ME is de-energized, whereby it returns to its in Fig. 4
Landscapes
- Washing And Drying Of Tableware (AREA)
- Selective Calling Equipment (AREA)
- Cookers (AREA)
- Apparatus For Making Beverages (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10757417T PL2488087T3 (en) | 2009-10-12 | 2010-09-27 | Household appliance, in particular a household dishwashing machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009045591A DE102009045591A1 (en) | 2009-10-12 | 2009-10-12 | Household appliance, in particular household dishwasher |
PCT/EP2010/064205 WO2011045169A2 (en) | 2009-10-12 | 2010-09-27 | Household appliance, in particular a household dishwashing machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2488087A2 true EP2488087A2 (en) | 2012-08-22 |
EP2488087B1 EP2488087B1 (en) | 2018-02-21 |
Family
ID=43734483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10757417.0A Active EP2488087B1 (en) | 2009-10-12 | 2010-09-27 | Household appliance, in particular a household dishwashing machine |
Country Status (6)
Country | Link |
---|---|
US (1) | US9212448B2 (en) |
EP (1) | EP2488087B1 (en) |
DE (1) | DE102009045591A1 (en) |
PL (1) | PL2488087T3 (en) |
RU (1) | RU2540378C2 (en) |
WO (1) | WO2011045169A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014218000A1 (en) * | 2014-09-09 | 2016-03-10 | BSH Hausgeräte GmbH | Switching device for switching a power supply for an electronic control unit, household appliance and method therefor |
WO2023154035A1 (en) * | 2022-02-08 | 2023-08-17 | Electrolux Home Products, Inc. | Isolated voltage door latch for an appliance |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4343105A1 (en) | 1993-12-17 | 1995-06-22 | Licentia Gmbh | Washing machine power supply for partial disconnection of components |
DE29602328U1 (en) | 1996-02-10 | 1997-06-05 | AEG Hausgeräte GmbH, 90429 Nürnberg | Household appliance with illuminants |
RU2215461C2 (en) * | 2002-01-21 | 2003-11-10 | Ростовский Вертолетный Производственный Комплекс - Открытое Акционерное Общество "Роствертол" | Dish washing machine |
US7171727B2 (en) * | 2002-10-04 | 2007-02-06 | Wolf Appliance Company, Inc. | Method and apparatus for appliance control and status display |
US7422191B2 (en) * | 2004-06-14 | 2008-09-09 | The Board Of Trustees Of The Leland Stanford Junior University | Bistable miniature valve |
KR20050123428A (en) * | 2004-06-25 | 2005-12-29 | 엘지전자 주식회사 | Combination structure of control panel and metal sheet |
DE102007058376C5 (en) * | 2007-12-05 | 2012-09-06 | BSH Bosch und Siemens Hausgeräte GmbH | Circuit arrangement for operating a household appliance |
DE102007058382A1 (en) * | 2007-12-05 | 2009-06-10 | BSH Bosch und Siemens Hausgeräte GmbH | Household appliance, in particular dishwasher |
DE102008040744A1 (en) * | 2008-07-25 | 2010-01-28 | BSH Bosch und Siemens Hausgeräte GmbH | Household appliance, in particular a dishwasher or a washing machine |
US8562754B2 (en) * | 2008-12-09 | 2013-10-22 | Whirlpool Corporation | Dishwasher with programmable stop time |
DE102009045592A1 (en) * | 2009-10-12 | 2011-04-14 | BSH Bosch und Siemens Hausgeräte GmbH | Household appliance, in particular household dishwasher |
-
2009
- 2009-10-12 DE DE102009045591A patent/DE102009045591A1/en not_active Withdrawn
-
2010
- 2010-09-27 EP EP10757417.0A patent/EP2488087B1/en active Active
- 2010-09-27 WO PCT/EP2010/064205 patent/WO2011045169A2/en active Application Filing
- 2010-09-27 US US13/498,588 patent/US9212448B2/en active Active
- 2010-09-27 PL PL10757417T patent/PL2488087T3/en unknown
- 2010-09-27 RU RU2012114724/12A patent/RU2540378C2/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2011045169A2 * |
Also Published As
Publication number | Publication date |
---|---|
US20120180830A1 (en) | 2012-07-19 |
RU2012114724A (en) | 2013-11-20 |
EP2488087B1 (en) | 2018-02-21 |
WO2011045169A2 (en) | 2011-04-21 |
WO2011045169A3 (en) | 2011-07-07 |
US9212448B2 (en) | 2015-12-15 |
DE102009045591A1 (en) | 2011-04-14 |
PL2488087T3 (en) | 2018-07-31 |
RU2540378C2 (en) | 2015-02-10 |
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