DE2735807A1 - DEVICE FOR MONITORING THE POWER OF A HOUSEHOLD APPLIANCE, IN PARTICULAR A DISHWASHER OR WASHING MACHINE - Google Patents
DEVICE FOR MONITORING THE POWER OF A HOUSEHOLD APPLIANCE, IN PARTICULAR A DISHWASHER OR WASHING MACHINEInfo
- Publication number
- DE2735807A1 DE2735807A1 DE19772735807 DE2735807A DE2735807A1 DE 2735807 A1 DE2735807 A1 DE 2735807A1 DE 19772735807 DE19772735807 DE 19772735807 DE 2735807 A DE2735807 A DE 2735807A DE 2735807 A1 DE2735807 A1 DE 2735807A1
- Authority
- DE
- Germany
- Prior art keywords
- household appliance
- current
- monitoring
- operating
- program
- 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
- 238000012544 monitoring process Methods 0.000 title claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 238000010079 rubber tapping Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2825—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere in household appliances or professional audio/video equipment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
- H02H3/0935—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means the timing being determined by numerical means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Washing And Drying Of Tableware (AREA)
- Control Of Non-Electrical Variables (AREA)
Description
BOSCH-SIEMENS HAUSGERÄTE GMBH 7928 Giengen, 08.08.1977 Stuttgart Robert-Bosch-StraßeBOSCH-SIEMENS HAUSGERÄTE GMBH 7928 Giengen, 08.08.1977 Stuttgart Robert-Bosch-Strasse
Unsere Zeichen: TZP 77/442 Ka/BuOur reference: TZP 77/442 Ka / Bu
Einrichtung zur Überwachung des Betriebsstromes eines Haushaltgerätes, insbesondere einer Geschirrspül- oder WaschmaschineDevice for monitoring the operating current of a household appliance, especially a dishwasher or washing machine
Die Erfindung betrifft eine Einrichtung zur Überwachung des Betriebsstromes während eines Programmablaufs eines elektronisch gesteuerten Haushaltgerätes, insbesondere einer Geschirrspül- oder Waschmaschine, mit einem im Betriebsstromkreis angeordneten Bauelement für den Abgriff einer dem Betriebsstrom proportionalen Spannung, mit einer Bedien- und Anzeigevorrichtung für die Programmwahl und den -ablauf des Geräts sowie mit einem wenigstens einen Festwertspeicher aufweisenden elektronischen Steuergerät für die programmabhängige Steuerung der Geräteaggregate.The invention relates to a device for monitoring the operating current during a program run of an electronically controlled household appliance, in particular a dishwasher or washing machine, with a component arranged in the operating circuit for tapping a component that is proportional to the operating current Voltage, with an operating and display device for the program selection and the program sequence of the device and with at least one an electronic control unit having a read-only memory for the program-dependent control of the device units.
Es ist eine Steuereinrichtung für eine Geschirrspülmaschine mit programmgesteuerter Wasserzufuhr bekannt, bei der Steuermittel vorgesehen sind, die im Programmschritt "Wassereinlauf" das Schließen eines Wasserzulaufventils bewirken, wenn der Motorstrom der Umwälzpumpe einen bestimmten Schwellwert erreicht hat und wenn sich der Motorstrom der Umwälzpumpe in einem bestimmten Zeit-A control device for a dishwasher with a program-controlled water supply is known in which control means are provided, which in the program step "water inlet" cause the closing of a water inlet valve when the motor current the circulating pump has reached a certain threshold value and if the motor current of the circulating pump has increased within a certain time
909808/0141909808/0141
- ■ A - . TZP 77/442- ■ A -. TZP 77/442
bereich nicht mehr wesentlich ändert. Hierzu ist in den Stromkreis der Umwälzpumpe ein Widerstand geschaltet, an dem die dem Stromverlauf proportionale Spannung abgegriffen und einer Eingangsstufe zur Gleichrichtung bzw. Verstärkung zugeführt wird. Als Steuermittel sind weiterhin ein Schwellwertschalter und ein Steuerbaustein vorgesehen, der dann ein Signal abgibt, wenn der Strom keinen wesentlichen Schwankungen mehr unterliegt. Die beiden letztgenannten Steuerelemente geben ihr Signal auf eine Logikstuie, welche über einen Schaltkontakt im Stromkreis des Wasserzulaufventils das Schließen dieses Ventils bewirkt. Um nun zu verhindern, daß bei fehlendem Motorstrom der Umwälzpumpe ein Überfüllen der Geschirrspülmaschine auftritt, ist der vom Motorstrom der Umwälzpumpe abhängigen Wassereinlaufsteuerung eine Maximal-Einlaufzeit überlagert, die von einem Programmsteuergerät der Geschirrspülmaschine vorgegeben ist.area no longer changes significantly. This is done in the circuit the circulation pump is connected to a resistor at which the voltage proportional to the current curve is tapped and an input stage is supplied for rectification or amplification. A threshold switch and a are also used as control means Control module is provided, which then emits a signal when the current is no longer subject to significant fluctuations. The two The latter control elements give their signal to a logic stage, which closes this valve via a switching contact in the circuit of the water inlet valve. To now to prevent overfilling of the dishwasher when there is no motor current in the circulating pump is that of the motor current the circulation pump dependent water inlet control a maximum inlet time superimposed, which is predetermined by a program control device of the dishwasher.
Der Erfindung liegt die Aufgabe zugrunde, bei einem elektronisch gesteuerten Haushaltgerät eine Einrichtung zur Überwachung des Betriebsstromes während eines Programmablaufs zu schaffen, um hiermit Abweichungen in der Höhe des Betriebsstromes verursachende Fehler oder Störungen der Geräteaggregate sofort feststellen und beheben zu können.The invention is based on the object of an electronic controlled household appliance a device for monitoring the To create operating current during a program sequence in order to thereby cause deviations in the level of the operating current To be able to identify and rectify errors or malfunctions in the device units immediately.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die dem Betriebsstrom proportionale Spannung in einem Analog-Digital-Wandler in ein Bit-Muster umgesetzt, dem wenigstens einen Mikroprozessor aufweisenden elektronischen Steuergerät zugeleitet und mit im Festwertspeicher vorgegebenen Sollwerten verglichen wird, wobei ein vorgegebene Toleranzen über- oder unterschreitender Strom von der Anzeigevorrichtung angezeigt und/oder der Programmablauf des Haushaltgeräts unterbrochen wird. Dies ist insofern vorteilhaft, als die Betriebsstromüberwachung einerseits bei einem Fehler ein Stillsetzen des Gerätes bewirkt bevor Folgeschäden auftreten können und andererseits eine leichte Fehlerfeststellung sowie schnelle -behebung ermöglicht.According to the invention, this object is achieved in that the voltage, which is proportional to the operating current, is carried out in an analog-digital converter converted into a bit pattern, fed to the electronic control unit, which has at least one microprocessor, and is compared with predetermined values in the read-only memory, with a predetermined tolerance exceeding or falling below Current displayed by the display device and / or the program sequence of the household appliance is interrupted. This is so advantageous as the operating current monitoring on the one hand brings about a shutdown of the device in the event of an error before consequential damage occurs and, on the other hand, enables easy error detection and quick rectification.
909808/0141909808/0141
TZP 77/442TZP 77/442
Eine zweckmäßige Ausgestaltung der Erfindung besteht darin, daß der Vergleich des Strom-Istwerts mit dem Sollwert wenigstens einmal während eines Steuerschritts des Steuergeräts erfolgt.An expedient embodiment of the invention is that the comparison of the current actual value with the setpoint value at least once takes place during a control step of the control unit.
In der Zeichnung ist als Ausführungsbeispiel des Gegenstandes der Erfindung eine Geschirrspülmaschine mit einer Betriebsatrom-Überwachungseinrichtung als Blockschaltbild dargestellt.In the drawing, as an exemplary embodiment of the subject matter of the invention, a dishwasher with an operating air monitoring device is shown shown as a block diagram.
Eine mit 10 bezeichnete schematisch dargestellte Geschirrspülmaschine weist eine Bedien- und Anzeigevorrichtung 11 für die Wahl und den Ablauf von Spülprogrammen, ein elektronisches Steuergerät 12 für die Durchführung dieser Programme, einen dem Steuergerät zugeordneten Analog-Digital-Wandler 13 sowie im einzelnen nicht dargestellte elektrische Geräteaggregate 14, wie Pumpenmotor, Rohrheizkörper, Magnetventile und dergleichen auf. Das elektronische Steuergerät 12 ist mit einem Mikroprozessor 12' oder einem großintegrierten Schaltkreis ausgestattet, der in sich einen Steuerteil 12'· (CPU: Central Processing Unit) mit einem Taktgenerator, einen Schreib-Lese-Speicher 12''' (RAM: Random Access Memory) und einen Festwertspeicher 12 ' ' ' ' (ROM: Read Only Memory) vereinigt. Das elektronische Steuergerät 12 steht einerseits mit der Bedien- und Anzeigevorrichtung 11 sowie andererseits mit den Geräteaggregaten 14 in gegenseitiger Wirkverbindung.A dishwasher denoted by 10 is shown schematically has an operating and display device 11 for the selection and execution of washing programs, an electronic control unit 12 for the implementation of these programs, an analog-to-digital converter 13 assigned to the control unit and not in detail illustrated electrical equipment units 14, such as pump motor, tubular heating element, solenoid valves and the like. The electronic one Control unit 12 is equipped with a microprocessor 12 'or a large-scale integrated circuit, which is a control part 12 '(CPU: Central Processing Unit) with a clock generator, a read / write memory 12' '' (RAM: Random Access Memory) and a read only memory 12 '' '' (ROM: Read Only Memory) combined. The electronic control unit 12 is on the one hand with the operating and display device 11 and on the other hand with the device assemblies 14 in mutual operative connection.
Die Energieversorgung der Geschirrspülmaschine lO erfolgt über eine an ein Wechselspannungsnetz angeschlossene, zwei Leiter 15 und 16 aufweisende Zuleitung. Im Verlauf .des Leiters 16 liegt ein in der Geschirrspülmaschine 10 angeordneter Meßwiderstand 17, zu dem durch Leitungen 18, 19 der mit dem Mikroprozessor 12' des Steuergeräts in Verbindung stehende Analog-Digital-Wandler 13 parallelgeschaltet ist. Anstelle des Meßwiderstands 17 kann in der Zuleitung auch ein als Meßwandler dienender Transformator angeordnet sein.The power supply of the dishwasher 10 takes place via a connected to an alternating voltage network, two conductors 15 and 16 having supply line. In the course of the conductor 16 is a Dishwasher 10 arranged measuring resistor 17, to which by lines 18, 19 to the microprocessor 12 'of the control device related analog-to-digital converter 13 is connected in parallel. Instead of the measuring resistor 17, a be arranged as a transducer serving transformer.
Die vorstehend beschriebenen Elemente der Geschirrspülmaschine 10 bilden in ihrem Zusammenwirken eine Einrichtung zur Überwachung des Betriebsstromes während eines Programmablaufs. Diese Einrichtung funktioniert in folgender Weise:The elements of the dishwasher 10 described above form, in their interaction, a device for monitoring the operating current during a program run. This facility works in the following way:
909808/om909808 / om
- jf- TZP 77/442- jf- TZP 77/442
Beim Ablauf eines Spülprogramms der Geschirrspülmaschine 10 fließt im Leiter 16 ein Strom, dessen Höhe und zeitlicher Verlauf von den programmabhängig gesteuerten Geräteaggregaten 14 abhängt. Diese Stromwerte sind einschließlich vorgegebener Toleranzen als Bit-Huster im Festwertspeicher 12 · ' · ' des öteuergeräts 12 eingespeichert. Während des programmabhängigen Stromflusses durch den Leiter 16 fällt an den Meßwiderstand 17 eine der Höhe des Stromes proportionale Spannung ab, die von dem Analog-Digital-Wandler 13 in ein Bit-Muster umgesetzt und dem Mikroprozessor 12' des Steuergeräts 12 zugeführt wird. Während jedes wenige Sekunden oder Minuten dauernden Steuerschritts des Steuergeräts 12 wird in Abhängigkeit der Programmierung des Mikroprozessors 12' dessen wandlerseitiger Eingang wenigstens einmal aktiviert und das jeweilige Bit-Muster des Analog-Digital-Wandlers 13 mit dem entsprechenden Bit-Muster im Festwertspeicher 12'·'· des Steuergerätes 12 verglichen. Liegt der Istwert des von den Geräteaggregaten 14 aufgenommenen Stromes innerhalb der Toleranzen des Strom-Sollwertes, so schaltet das Steuergerät 12 entsprechend seiner Programmierung das Spülprogramm um einen Steuerschritt weiter, in dem der Vergleich des Strom-Istwerts mit dem Sollwert ebenfalls wenigstens einmal erfolgt. When a washing program of the dishwasher 10 is running, it flows in the conductor 16 a current, the level and timing of the program-dependent controlled device units 14 depends. These current values are including specified tolerances as bit coughs stored in the read-only memory 12 '' '' of the control unit 12. During the program-dependent current flow through the conductor 16, a value proportional to the magnitude of the current falls across the measuring resistor 17 Voltage from that converted into a bit pattern by the analog-digital converter 13 and the microprocessor 12 'of the control unit 12 is supplied. During each control step of the control device 12 that lasts a few seconds or minutes, the dependency the programming of the microprocessor 12 'whose converter-side input is activated at least once and the respective bit pattern of the analog-digital converter 13 is compared with the corresponding bit pattern in the read-only memory 12 '·' · of the control device 12. Lies If the actual value of the current consumed by the device units 14 is within the tolerances of the current setpoint, it switches According to its programming, control unit 12 continues the washing program by one control step in which the comparison of the Current actual value with the setpoint also takes place at least once.
Weicht dagegen der Strom-Istwert von dem Sollwert beispielsweise durch den Ausfall des Rohrheizkörpers, durch eine festsitzende Pumpe oder durch fehlendes Wasser in der Geschirrspülmaschine 10 in unzulässiger Weise ab, so unterbricht das Steuergerät 12 durch Ausschalten des Taktgenerators den weiteren Programmablauf. Außerdem wird das Vorliegen eines Defektes an den Geräteaggregaten 14 durch Aufleuchten einer Lampe in der Anzeigevorrichtung 11 zur Kenntnis gebracht.If, on the other hand, the actual current value deviates from the setpoint value, for example due to the failure of the tubular heating element, due to a stuck pump or due to a lack of water in the dishwasher 10 in an impermissible manner, the control unit 12 interrupts the further program sequence by switching off the clock generator. aside from that the presence of a defect in the equipment units 14 is indicated by the lighting up of a lamp in the display device 11 Brought knowledge.
4 Ansprüche
1 Figur4 claims
1 figure
909808/0141909808/0141
Le e rs eLe e rs e
iteite
Claims (4)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2735807A DE2735807C2 (en) | 1977-08-09 | 1977-08-09 | Monitoring device for a dishwasher or washing machine with an electronic control device |
| FR7822709A FR2399826A1 (en) | 1977-08-09 | 1978-08-01 | Current control device for washing machine etc. - has measuring resistance supplying value of voltage proportional to mains supply, to analog=digital converter |
| IT26480/78A IT1097671B (en) | 1977-08-09 | 1978-08-04 | DEVICE TO CONTROL THE ELECTRICAL OPERATING CURRENT OF A APPLIANCE FOR DOMESTIC USE, ESPECIALLY OF A DISHWASHER OR WASHING MACHINE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2735807A DE2735807C2 (en) | 1977-08-09 | 1977-08-09 | Monitoring device for a dishwasher or washing machine with an electronic control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2735807A1 true DE2735807A1 (en) | 1979-02-22 |
| DE2735807C2 DE2735807C2 (en) | 1983-12-22 |
Family
ID=6015959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2735807A Expired DE2735807C2 (en) | 1977-08-09 | 1977-08-09 | Monitoring device for a dishwasher or washing machine with an electronic control device |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2735807C2 (en) |
| FR (1) | FR2399826A1 (en) |
| IT (1) | IT1097671B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0056437A2 (en) * | 1981-01-19 | 1982-07-28 | Siemens Aktiengesellschaft | Method and device for the determination of the load of apparatuses driven by electric motors |
| US4663948A (en) * | 1984-10-11 | 1987-05-12 | White Consolidated Industries, Inc. | Control circuit for combination washer and dryer |
| US5211037A (en) * | 1990-08-13 | 1993-05-18 | Raytheon Company | Controller for washing machine with alternately reversing drive motor |
| DE19913471A1 (en) * | 1999-03-25 | 2000-09-28 | Abb Patent Gmbh | Monitoring device for electrical consumers |
| WO2003001963A1 (en) * | 2001-06-26 | 2003-01-09 | BSH Bosch und Siemens Hausgeräte GmbH | Method for checking electrical safety of a household appliance and corresponding household appliance |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2829003A1 (en) * | 1978-07-01 | 1980-01-10 | Bosch Siemens Hausgeraete | METHOD FOR CHOOSING A PROGRAM FOR WATER-CONTAINING HOUSEHOLD APPLIANCES, LIKE DISHWASHER AND WASHING MACHINES, AND ANY APPARATUS FOR CARRYING OUT THE METHOD |
| IN152852B (en) * | 1978-08-09 | 1984-04-21 | Gen Electric Co Ltd | |
| IT1144243B (en) * | 1981-06-18 | 1986-10-29 | Indesit | APPLIANCE APPLIANCE IN PARTICULAR WASHING MACHINE WITH AUTOMATIC FUNCTIONALITY CONTROL AND FAULT INDICATION |
| IT1284821B1 (en) * | 1996-09-26 | 1998-05-22 | Bitron Spa | ELECTRONIC CONTROL SYSTEM OF THE OPERATING CONDITION OF THE DISHWASHER MOTOR OF A DISHWASHER. |
| DE10163197A1 (en) | 2001-12-21 | 2003-07-03 | Bsh Bosch Siemens Hausgeraete | Method for checking the electrical safety of a household appliance and corresponding household appliance |
| CN1316098C (en) * | 2002-06-07 | 2007-05-16 | 乐金电子(天津)电器有限公司 | Controlling method for operating circuit of washing machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2620464A1 (en) * | 1975-05-22 | 1976-12-02 | Philips Nv | METHOD AND MACHINE FOR WASHING AND SPINNING LAUNDRY |
| DE2555052A1 (en) * | 1975-12-06 | 1977-06-08 | Miele & Cie | Dishwasher with program-controlled water supply - uses motor current from circulating pump to ensure correct water level |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3029825A (en) * | 1961-04-03 | 1962-04-17 | Gen Electric | Dishwashing machine and electric control circuit for appliances |
-
1977
- 1977-08-09 DE DE2735807A patent/DE2735807C2/en not_active Expired
-
1978
- 1978-08-01 FR FR7822709A patent/FR2399826A1/en not_active Withdrawn
- 1978-08-04 IT IT26480/78A patent/IT1097671B/en active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2620464A1 (en) * | 1975-05-22 | 1976-12-02 | Philips Nv | METHOD AND MACHINE FOR WASHING AND SPINNING LAUNDRY |
| DE2555052A1 (en) * | 1975-12-06 | 1977-06-08 | Miele & Cie | Dishwasher with program-controlled water supply - uses motor current from circulating pump to ensure correct water level |
Non-Patent Citations (3)
| Title |
|---|
| DE-B.: Leitfaden der elektronischen Steuerungs- und Regelungstechnik, H.-J.Siegfried, Teil 2, 2.Auflage, 1976, Franzis-Verlag München, Kap.1.3.4 und 6 * |
| DE-B.: Taschenbuch für Elektromesstechnik, 4.Auflage, 1964, Siemens & Halske AG, S.144 * |
| Mikroprozessoren-Schlüssel zur Gerätegeneration der Zukunft, Bauteile-Report 14, 1976, H.2, S.33-36 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0056437A2 (en) * | 1981-01-19 | 1982-07-28 | Siemens Aktiengesellschaft | Method and device for the determination of the load of apparatuses driven by electric motors |
| EP0056437A3 (en) * | 1981-01-19 | 1982-10-27 | Siemens Aktiengesellschaft | Method and device for the determination of the load of apparatuses driven by electric motors |
| US4663948A (en) * | 1984-10-11 | 1987-05-12 | White Consolidated Industries, Inc. | Control circuit for combination washer and dryer |
| US5211037A (en) * | 1990-08-13 | 1993-05-18 | Raytheon Company | Controller for washing machine with alternately reversing drive motor |
| DE19913471A1 (en) * | 1999-03-25 | 2000-09-28 | Abb Patent Gmbh | Monitoring device for electrical consumers |
| WO2003001963A1 (en) * | 2001-06-26 | 2003-01-09 | BSH Bosch und Siemens Hausgeräte GmbH | Method for checking electrical safety of a household appliance and corresponding household appliance |
| US7764472B2 (en) | 2001-06-26 | 2010-07-27 | Bsh Bosch Und Siemens Hausgeraete Gmbh | Method for checking electrical safety of a household appliance and corresponding household appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| IT7826480A0 (en) | 1978-08-04 |
| DE2735807C2 (en) | 1983-12-22 |
| IT1097671B (en) | 1985-08-31 |
| FR2399826A1 (en) | 1979-03-09 |
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