DE1215386B - Device for detecting water levels in containers, in particular in electrical household machines - Google Patents
Device for detecting water levels in containers, in particular in electrical household machinesInfo
- Publication number
- DE1215386B DE1215386B DES77195A DES0077195A DE1215386B DE 1215386 B DE1215386 B DE 1215386B DE S77195 A DES77195 A DE S77195A DE S0077195 A DES0077195 A DE S0077195A DE 1215386 B DE1215386 B DE 1215386B
- Authority
- DE
- Germany
- Prior art keywords
- liquid
- containers
- triggered
- water levels
- signal circuit
- 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.)
- Pending
Links
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
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/087—Water level measuring or regulating devices
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
Einrichtung zur Erfassung von Wasserständen in Behältern, insbesondere in elektrischen Haushaltsmaschinen Die Erfindung bezieht sich auf eine Einrichtung zur Erfassung von Grenzwasserständen in Behältern, insbesondere von elektrischen Haushaltsmaschinen, wie Waschmaschinen u. dgl., unter Verwendung elektrisch arbeitender, gegenüber den Flüssigkeitsbehältern starr und isoliert angeordneter Fühler, deren Signalstromkreis durch die Flüssigkeit geschlossen wird.Device for detecting water levels in containers, in particular in electrical household machines The invention relates to a device for the detection of limit water levels in tanks, especially electrical ones Household machines, such as washing machines and the like, using electrically operated, compared to the liquid containers rigid and insulated arranged sensor, whose Signal circuit is closed by the liquid.
Insbesondere bei Waschmaschinen, aber auch bei anderen Einrichtungen mit Flüssigkeitsbehältern bereitet das Erfassen von Flüssigkeitsständen deshalb Schwierigkeiten, weil kurzzeitig wirkende Niveauschwankungen den Meßwert stark beeinflussen können.Especially with washing machines, but also with other facilities with liquid containers therefore prepares the detection of liquid levels Difficulties because temporary level fluctuations have a strong influence on the measured value can.
Gemäß der Erfindung werden Fehlmessungen dadurch ausgeschaltet, daß mechanisch oder elektrisch wirkende Widerstandselemente so eingesetzt sind, daß durch kurzzeitig wirkende Niveauänderungen im Flüssigkeitsspiegel Signale nicht ausgelöst oder ausgelöste Signale unterdrückt werden.According to the invention, incorrect measurements are eliminated in that Mechanically or electrically acting resistance elements are used so that signals are not due to brief changes in level in the liquid level triggered or triggered signals suppressed.
Die Erfindung läßt sich z. B. in der Weise durchbilden, daß die Sonde von einem Gehäuse mit verhältnismäßig kleiner Öffnung für den Zu- und Ablauf der Flüssigkeit umgeben ist. Auch ist es möglich, daß die Weiterleitung des durch die Sonde ausgelösten Signals über ein elektrisches Zeitglied, z. B. ein RC-Glied, erfolgt.The invention can be used, for. B. train in such a way that the probe of a housing with a relatively small opening for the inlet and outlet of the Liquid is surrounded. It is also possible that the forwarding of the Probe triggered signal via an electrical timer, e.g. B. an RC element takes place.
Die Erfindung wird an Hand der Zeichnung erläutert. Es zeigt F i g.1 den Schutz der Sonde gegen Wasserschlag durch mechanische Mittel, F i g. 2 den Schutz der Sonde durch elektrische Mittel.The invention is explained with reference to the drawing. It shows Fig.1 the protection of the probe against water hammer by mechanical means, F i g. 2 protection the probe by electrical means.
In F i g. 1 ist in die Wand 1 des die Flüssigkeit 2 enthaltenden Gefäßes, isoliert und flüssigkeitsdicht, der Kopf 3 der Niveausonde eingesetzt. Die Sonde ist durch ein Gehäuse 4 gegen rasche Niveauschwankungen, z. B. Wasserschlag, geschützt, wobei die Wandung des Gehäuses 4 eine verhältnismäßig kleine Öffnung S zum Zufluß bzw. Abfluß der Flüssigkeit besitzt.In Fig. 1 is in the wall 1 of the vessel containing the liquid 2, insulated and liquid-tight, the head 3 of the level probe inserted. The probe is by a housing 4 against rapid level fluctuations, z. B. water hammer, protected, the wall of the housing 4 having a relatively small opening S for the inflow or has drainage of the liquid.
In F i g. 2 ist in die Wand 1 des die Flüssigkeit 2 enthaltenden Gefäßes eine Niveausonde 10 isoliert und flüssigkeitsdicht eingefügt. Das Gehäuse selbst ist mit dem einen Pol einer nicht gezeichneten Spannungsquelle verbunden. Die das Signal von der Sonde 10 weiterleitende Leitung 3 ist mit dem anderen Pol der Spannungsquelle (-I-) über ein aus dem Widerstand R und dem Kondensator C bestehendes Zeitglied verbunden. Es läßt sich in diesem Fall durch geeignete Wahl der Zeitkonstante T = R - C erreichen, daß das durch die Leitung 3 fortgeleitete Signal auf zeitlich begrenzte Wasserschwankungen praktisch nicht anspricht.In Fig. 2 is in the wall 1 of the vessel containing the liquid 2 a level probe 10 insulated and inserted in a liquid-tight manner. The case itself is connected to one pole of a voltage source (not shown). The the Signal from the probe 10 forwarding line 3 is to the other pole of the voltage source (-I-) via a timer consisting of the resistor R and the capacitor C. tied together. In this case, a suitable choice of the time constant T = R - C achieve that the signal forwarded through the line 3 on time limited water fluctuations practically does not respond.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES77195A DE1215386B (en) | 1961-12-20 | 1961-12-20 | Device for detecting water levels in containers, in particular in electrical household machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES77195A DE1215386B (en) | 1961-12-20 | 1961-12-20 | Device for detecting water levels in containers, in particular in electrical household machines |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1215386B true DE1215386B (en) | 1966-04-28 |
Family
ID=7506646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DES77195A Pending DE1215386B (en) | 1961-12-20 | 1961-12-20 | Device for detecting water levels in containers, in particular in electrical household machines |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1215386B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2636607A1 (en) * | 1975-08-14 | 1977-02-24 | Toyota Motor Co Ltd | SEALED RESERVOIR FOR BRAKE PRESSURE CYLINDER |
DE2558228A1 (en) * | 1975-12-23 | 1977-07-07 | Vdo Schindling | Compact fluid level monitor unit - is simply fitted to vessel wall via self tapping screws acting as electrodes contacting conducting fluid in container |
DE3010739A1 (en) * | 1980-03-20 | 1981-09-24 | geb. Kraus Elisabeth 8413 Regenstauf Greisinger | Universal liq. level sensor - has moulded electrode housing formed for automatic adaption to correct working position |
DE3223369A1 (en) * | 1982-06-23 | 1984-01-05 | A 2000 Industrie-Elektronik GmbH, 7632 Friesenheim | Method and monitoring circuit for monitoring drawing-off safety circuits |
DE3426885A1 (en) * | 1984-07-20 | 1986-01-30 | Texas Instruments Deutschland Gmbh, 8050 Freising | Method for determining the presence of a predetermined filling level in a container, and circuit arrangement for carrying out the method |
DE3617234A1 (en) * | 1986-05-22 | 1987-11-26 | Meyer Fa Rud Otto | Water or moisture indicator |
-
1961
- 1961-12-20 DE DES77195A patent/DE1215386B/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2636607A1 (en) * | 1975-08-14 | 1977-02-24 | Toyota Motor Co Ltd | SEALED RESERVOIR FOR BRAKE PRESSURE CYLINDER |
DE2558228A1 (en) * | 1975-12-23 | 1977-07-07 | Vdo Schindling | Compact fluid level monitor unit - is simply fitted to vessel wall via self tapping screws acting as electrodes contacting conducting fluid in container |
DE3010739A1 (en) * | 1980-03-20 | 1981-09-24 | geb. Kraus Elisabeth 8413 Regenstauf Greisinger | Universal liq. level sensor - has moulded electrode housing formed for automatic adaption to correct working position |
DE3223369A1 (en) * | 1982-06-23 | 1984-01-05 | A 2000 Industrie-Elektronik GmbH, 7632 Friesenheim | Method and monitoring circuit for monitoring drawing-off safety circuits |
DE3426885A1 (en) * | 1984-07-20 | 1986-01-30 | Texas Instruments Deutschland Gmbh, 8050 Freising | Method for determining the presence of a predetermined filling level in a container, and circuit arrangement for carrying out the method |
DE3617234A1 (en) * | 1986-05-22 | 1987-11-26 | Meyer Fa Rud Otto | Water or moisture indicator |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2740289B2 (en) | Device for monitoring the level of a liquid contained in a container | |
DE1902297B2 (en) | DEVICE FOR TAKING A LIQUID SAMPLE FROM A VESSEL AND DELIVERING THIS SAMPLE AND A REAGENT LIQUID INTO ANOTHER VESSEL | |
CH651391A5 (en) | METHOD AND DEVICE FOR DISPLAYING LOST GOODS. | |
EP0249296A3 (en) | Device for determination of formation of ice | |
DE1215386B (en) | Device for detecting water levels in containers, in particular in electrical household machines | |
DE69629858T2 (en) | Electronic thermometer with audible temperature rise | |
DE2852999C2 (en) | Gas sensor | |
EP0288671A3 (en) | Measuring apparatus | |
GB1031997A (en) | Calibration arrangement for flow meters | |
JPS5624542A (en) | Detecting method of leakage of liquid | |
DE1196798B (en) | Radiation measuring device | |
DE2806773A1 (en) | Monitor equipment for liq. level and time - uses reed relays sensitive to float level, and has associated electronic circuit and battery operated power supply | |
SU146886A1 (en) | Instrument for automatic recording of characteristics of gas discharge nuclear counters | |
Altemeyer | Balancing the F Scale. | |
DE491732C (en) | Heat meter | |
DE69108149T2 (en) | Electronic measuring circuit with a controlled electrical supply for a resistance probe. | |
DE938101C (en) | Funnel-shaped measuring spoon | |
DE1179017B (en) | Counter checking system | |
DE7515406U (en) | Person monitor | |
DE3535869A1 (en) | Electronic device for calculating heating costs | |
Calligaris et al. | An inexpensive pulse height digitiser circuit | |
DE382185C (en) | Boiling point display device for cooking vessels u. like | |
US2745058A (en) | Direct reading time measuring device | |
SU836530A1 (en) | Device for measuring liquid mean level | |
DE1961774U (en) | DEVICE FOR DETERMINING THE BOILING POINT OF LIQUIDS. |