EP2011929B1 - Flushing device for a toilet or urinal - Google Patents
Flushing device for a toilet or urinal Download PDFInfo
- Publication number
- EP2011929B1 EP2011929B1 EP08103995A EP08103995A EP2011929B1 EP 2011929 B1 EP2011929 B1 EP 2011929B1 EP 08103995 A EP08103995 A EP 08103995A EP 08103995 A EP08103995 A EP 08103995A EP 2011929 B1 EP2011929 B1 EP 2011929B1
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- EP
- European Patent Office
- Prior art keywords
- radiation
- flushing device
- wavelength
- radiation source
- radiation detector
- 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.)
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- 238000011010 flushing procedure Methods 0.000 title claims description 68
- 230000005855 radiation Effects 0.000 claims description 188
- 230000003213 activating effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
- E03D5/10—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl
Definitions
- the present invention relates to a flushing device for a toilet or urinal with an electrical sensor unit, with control electronics, which is electrically connected to the sensor unit, with an electrically controllable valve which is electrically connected to the control electronics and connectable to a cistern via a fluid connection is, with a radiation source for generating radiation of a first wavelength, with a first radiation detector of the sensor unit configured to detect the radiation of the first radiation source, with a radiation of the first radiation source reflecting or absorbing surface, and configured with a second radiation detector of the sensor unit for detection radiation of a second wavelength, wherein the second radiation detector is arranged such that it is not detected by the radiation generated by the first radiation source.
- a flushing device is from the US 5,455,971 known.
- the invention relates to a corresponding toilet or urinal.
- the flushing process is triggered by manual actuation of a flushing device, for example by pressing a button.
- flushing devices are increasingly used, which are contactlessly actuated.
- a non-contact triggering of the flushing process has on the one hand the advantage of additional comfort for the user, on the other hand, the advantage of improved hygiene.
- the user is detected by sensors, whereby the flushing process is automatically triggered when leaving the detection range of the sensors.
- the CA 2 557 704 A1 relates to a method for operating a self-flushing WC, in which a control electronics with a two-limit monitoring sensor system controls the flushing mechanism. With the described method and the corresponding flushing device also a false flushing should be prevented.
- the previously derived and indicated object is achieved in a flushing device for a toilet or urinal of the type described above in that the radiation of the first radiation source reflecting or absorbing surface is arranged in front of the second radiation detector, such that the radiation from the first Radiation source is generated, is not detected by the second radiation detector.
- the flushing device has a detector which detects the radiation reflected by the user, which was previously emitted by the radiation source of the flushing device. Furthermore, a second radiation detector is provided, which serves for the detection of extraneous light and thus therefore of another radiation.
- the radiation components of radiation of the first radiation source reflection radiation of a first wavelength
- radiation components of radiation of the second radiation source exitternal light radiation of a second wavelength
- the control electronics compensates for the radiation components introduced by extraneous light. Disturbances of the sensor system due to the influence of extraneous light are prevented and consequent false washings are avoided.
- the second radiation detector can be arranged outside the incidence range of the radiation which is generated by the first radiation source.
- the first radiation source within the WC or urinal basin and the second radiation detector outside, in particular below, of the basin.
- a shield is provided according to the invention, which is designed in such a way that the radiation generated by the first radiation source is not detected by the second radiation detector.
- a surface of the radiation of the first radiation source is reflected or absorbed.
- the second radiation detector can also be arranged within the incidence range of the radiation that is generated by the first radiation source, without the danger that the second radiation detector is detected by the radiation of the first radiation source.
- the radiation source has a light-emitting diode.
- the radiation source can generate radiation in the infrared range.
- a light emitting diode especially if it is an infrared diode, is a reliable and long lasting device which is also relatively inexpensive. Furthermore, infrared light is not perceived as disturbing by a user.
- the first radiation detector and / or the second radiation detector has a photoresistor, a photodiode and / or a phototransistor.
- the first radiation detector and / or the second radiation detector can detect radiation in the infrared range.
- the first radiation detector detects the infrared radiation generated by the radiation source and then reflected by the user during the second radiation detector detects the proportion of infrared radiation of the extraneous light.
- the control electronics are designed such that they send a control signal for opening the valve when the first radiation detector detects a reduction in the intensity of radiation of the first wavelength, preferably after the radiation detector has a preceding increase in the intensity of radiation the first wavelength has detected.
- the intensity of radiation of the first wavelength decreases, that is, the intensity of the reflection radiation, since the radiation emitted by the radiation source is no longer reflected by the user in the direction of the first radiation detector.
- the radiation detector has previously detected an increase in the intensity of the reflection radiation, namely at the time of the approach of the user to the toilet or urinal.
- the control electronics recognizes that after the intensity of the reflection radiation has dropped, a flushing process must be initiated and sends a corresponding control signal to the valve.
- the valve opens and thus causes the introduction of water from the cistern into the toilet or urinal basin.
- the preceding automatic detection of the point in time at which a flushing operation makes sense can additionally be assisted by the control electronics only sending a control signal for opening the valve when, in addition to the condition described above, the second radiation detector also increases the intensity of radiation the second wavelength detected.
- the control electronics only sending a control signal for opening the valve when, in addition to the condition described above, the second radiation detector also increases the intensity of radiation the second wavelength detected.
- the control electronics is preferably designed such that it sends no control signal to open the valve, if only the second radiation detector, an increase in Intensity detected at radiation of the second wavelength, without previously the first radiation detector has detected a reduction in the intensity of radiation of the first wavelength.
- the control electronics recognizes that so far no use of the WC or urinal has taken place and therefore flushing is not necessary.
- the control signal for opening the valve is sent with a time delay. This means that after all the conditions that indicate that the user is leaving the toilet or urinal, a certain amount of time elapses before the flushing process is actually triggered. An appropriate period of time between leaving the WC or urinal and flushing is preferred individually adjustable and can be between one and several seconds.
- this further comprises a means for adjusting the opening duration and / or opening width of the valve.
- the purging and / or flushing water amount can be adjusted. It is also conceivable that, depending on the time span in which the user has been detected by the sensor, the purging duration and / or flushing amount is set.
- a means for adjusting the range and / or transmission power of the radiation source can also be provided. Also in this way, the control electronics can be adjusted to individual needs.
- the means for adjusting the opening duration and / or the opening width of the valve and / or the means for adjusting the range and / or transmission power of the radiation source is preferably a Einstellpotentiometer.
- this further comprises a battery and / or a power supply for power supply.
- the flushing device can be supplied with the necessary electrical energy in various ways.
- the radiation source can be activated.
- the radiation source which emits the radiation to be reflected by the user can, in be turned on and turned off in this case. In this way, energy, especially when it comes to the power supply to a battery can be saved.
- the control electronics is designed such that it sends a control signal for activating the radiation source, when the second radiation detector detects a reduction in the intensity of radiation of the second wavelength.
- the control electronics registers that it may be that the toilet or urinal will be used. The control electronics then activate the radiation source to produce radiation that proves that the toilet or urinal is actually in use.
- a further radiation source for generating radiation of a third wavelength is provided, wherein the third wavelength is preferably in the infrared range.
- the further radiation source can be designed as described above for the first radiation source.
- the further radiation source is smaller than the first radiation source and requires less energy.
- the further radiation source is permanently activated. In other words, the radiation source illuminates or radiates continuously. In this way, among other things, the battery state of charge can be displayed.
- the further radiation source is used to activate the first radiation source.
- the control electronics are designed such that they transmit a control signal for activating the first radiation source when the first radiation detector detects an increase in the intensity of radiation of the third wavelength.
- the control electronics are designed such that they transmit a control signal for activating the first radiation source when the first radiation detector detects an increase in the intensity of radiation of the third wavelength.
- this is designed as a structural unit.
- the flushing device can be installed very quickly and easily. Also takes a structural unit, since the dimensions have been factory-optimized, relatively little space.
- At least a part of the components forming the flushing device is cast in a support frame.
- the control electronics is potted in the support frame.
- At least part of the components forming the flushing device in particular the control electronics, the sensor unit and / or the radiation source (s), can be arranged on a combined printed circuit board.
- the previously derived and indicated object is further achieved by a toilet or urinal with a flushing device, as previously described.
- the single figure shows the schematic structure of an embodiment of a flushing device according to the invention for a toilet or urinal.
- the flushing device has an electronic control unit 2, which is shown in the present drawing as a central component.
- the control electronics 2 is connected to a sensor unit 1, which has a first radiation detector 5 and a second radiation detector 6.
- the first radiation detector 5 serves to detect radiation of a first wavelength, which is emitted by a radiation source 4, which is likewise connected to the control electronics 2 connected, then reflected by a user of the WC or urinal.
- the second radiation detector 6 is used to detect radiation of a second wavelength, which originates for example from extraneous light.
- control electronics reflect radiation, which indicates the presence of a user, and distinguish ambient light radiation and use to control an electrically controllable valve 3.
- the control of the valve 3 can not be appreciably disturbed in this way by extraneous light radiation, which led to false flushing according to the prior art.
- the radiation source 4 is a light-emitting diode which can generate radiation in the infrared range.
- the two radiation detectors 5 and 6, which are photodiodes, can detect radiation in the infrared range.
- the one hand serves a battery 9 and on the other hand, a power supply 10 for power supply.
- a power supply 10 for power supply.
- the function of the flushing device according to the invention on the power supply 10 is guaranteed, in the case of a power failure or a malfunction of the power supply, however, from the battery 9. In this way, a comfortable and non-contact triggering the flushing is permanently possible.
- Another designed as a light emitting diode radiation source 11 shows the user permanently the state of charge of the battery 9. If the radiation source 11 is extinguished, this indicates to the user that a new battery should be used.
- a battery instead of the battery 9, which is preferably loaded automatically via the power supply 10.
- the control electronics 2 then sends a control signal to open the valve 3, when the approach of a user of the radiation detector 5 has first detected an increase in the intensity of radiation of the first wavelength, ie reflection radiation, and then by the user leaves the toilet or urinal, the first radiation detector has detected a reduction in the intensity of reflection radiation. In this way, the control electronics 2 recognizes that first a use of the toilet and urinal is received and this is then terminated. After a certain time delay then opens the valve 3 and thus automatically triggers the flushing process.
- the purging duration and amount of flushing water is individually selected via a means 7 for setting the opening duration and the opening width of the valve 3 in the form of a Einstellpotentiometers.
- the flushing device according to the embodiment shown in the single figure still has a means 8 for adjusting the range and / or transmission power of the radiation source 4, also in the form of a Einstellpotentiometers. In this way, the control can be individually adapted to the needs of the user.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
Description
Die vorliegende Erfindung betrifft eine Spülvorrichtung für ein WC oder Urinal mit einer elektrischen Sensoreinheit, mit einer Steuerelektronik, die mit der Sensoreinheit elektrisch verbunden ist, mit einem elektrisch ansteuerbaren Ventil, das mit der Steuerelektronik elektrisch verbunden ist und das mit einem Spülkasten über eine Fluidverbindung verbindbar ist, mit einer Strahlungsquelle zur Erzeugung von Strahlung einer ersten Wellenlänge, mit einem ersten Strahlungsdetektor der Sensoreinheit konfiguriert zur Detektion der Strahlung der ersten Strahlungsquelle, mit einer die Strahlung der ersten Strahlungsquelle reflektierenden oder absorbierenden Oberfläche, und mit einem zweiten Strahlungsdetekor der Sensoreinheit konfiguriert zur Detektion von Strahlung einer zweiten Wellenlänge, wobei der zweite Strahlungsdetektor derart angeordnet ist, dass er nicht von der Strahlung, die von der ersten Strahlungsquelle erzeugt wird, erfasst wird. Eine solche Spülvorrichtung ist aus der
Ferner betrifft die Erfindung ein entsprechendes WC oder Urinal.Furthermore, the invention relates to a corresponding toilet or urinal.
Üblicherweise wird bei einem WC oder Urinal der Spülvorgang durch manuelle Betätigung einer Spülvorrichtung, beispielsweise durch Drücken eines Tasters, ausgelöst.Usually, in a toilet or urinal, the flushing process is triggered by manual actuation of a flushing device, for example by pressing a button.
In jüngster Zeit werden in zunehmendem Maße auch Spülvorrichtungen eingesetzt, welche berührungslos betätigbar sind. Eine berührungslose Auslösung des Spülvorgangs hat einerseits den Vorteil eines zusätzlichen Komforts für den Benutzer, andererseits auch den Vorteil einer verbesserten Hygiene. Bei solchen Spülvorrichtungen wird der Nutzer von Sensoren erfasst, wobei beim Verlassen des Erfassungsbereichs der Sensoren automatisch der Spülvorgang ausgelöst wird.In recent times, flushing devices are increasingly used, which are contactlessly actuated. A non-contact triggering of the flushing process has on the one hand the advantage of additional comfort for the user, on the other hand, the advantage of improved hygiene. In such flushing devices, the user is detected by sensors, whereby the flushing process is automatically triggered when leaving the detection range of the sensors.
Problematisch bei diesem Stand der Technik ist allerdings, dass Fremdlicht, gemeint ist Kunstlicht oder Tageslicht, die Sensorik stören kann, wodurch Fehlspülungen ausgelöst werden können. Es ist auch denkbar, dass bei besonders starkem Fremdlichteinfall die Anwesenheit eines Nutzers nicht erfasst wird und dann eine automatische Spülung unterbleibt.The problem with this prior art, however, is that extraneous light, meaning artificial light or daylight, can disturb the sensor, whereby false flushing can be triggered. It is also conceivable that the presence of a user is not detected in a particularly strong external light incidence and then an automatic flushing is omitted.
Die
Es ist daher die Aufgabe der vorliegenden Erfindung, eine Spülvorrichtung für ein WC oder Urinal der eingangs beschriebenen Art dahingehend weiterzubilden, dass Fehlspülungen möglichst vermieden werden.It is therefore the object of the present invention to develop a flushing device for a toilet or urinal of the type described above in such a way that false flushing is avoided as far as possible.
Die zuvor hergeleitete und aufgezeigte Aufgabe wird erfindungsgemäß bei einer Spülvorrichtung für ein WC oder Urinal der eingangs beschriebenen Art dadurch gelöst, dass die die Strahlung der ersten Strahlungsquelle reflektierende oder absorbierende Oberfläche vor dem zweiten Strahlungsdetektor angeordnet ist, derart, dass die Strahlung, die von der ersten Strahlungsquelle erzeugt wird, nicht vom zweiten Strahlungsdetektor erfasst wird.The previously derived and indicated object is achieved in a flushing device for a toilet or urinal of the type described above in that the radiation of the first radiation source reflecting or absorbing surface is arranged in front of the second radiation detector, such that the radiation from the first Radiation source is generated, is not detected by the second radiation detector.
Mit anderen Worten, gemäß der vorliegenden Erfindung weist die Spülvorrichtung einen Detektor auf, der die am Nutzer reflektierte Strahlung detektiert, welche zuvor von der Strahlungsquelle der Spülvorrichtung abgegeben wurde. Ferner ist ein zweiter Strahlungsdetektor vorgesehen, der zur Detektion von Fremdlicht und damit also von einer anderen Strahlung dient. Auf diese Weise können von der Steuerelektronik die Strahlungsanteile an Strahlung der ersten Strahlungsquelle (Reflektionsstrahlung einer erste Wellenlänge) einerseits und Strahlungsanteile an Strahlung der zweiten Strahlungsquelle (Fremdlichtstrahlung einer zweiten Wellenlänge) andererseits unterschieden werden. Dabei kann die erste Wellenlänge mit der zweiten Wellenlänge übereinstimmen. Vorzugsweise gleicht dabei die Steuerelektronik die durch Fremdlicht eingebrachten Strahlungsanteile aus. Störungen der Sensorik durch Fremdlichteinwirkung werden verhindernd und dadurch bedingte Fehlspülungen vermieden.In other words, according to the present invention, the flushing device has a detector which detects the radiation reflected by the user, which was previously emitted by the radiation source of the flushing device. Furthermore, a second radiation detector is provided, which serves for the detection of extraneous light and thus therefore of another radiation. In this way, the radiation components of radiation of the first radiation source (reflection radiation of a first wavelength) on the one hand and radiation components of radiation of the second radiation source (external light radiation of a second wavelength) on the other hand can be distinguished from the control electronics. In this case, the first wavelength can coincide with the second wavelength. Preferably, the control electronics compensates for the radiation components introduced by extraneous light. Disturbances of the sensor system due to the influence of extraneous light are prevented and consequent false washings are avoided.
Es sind verschiedene Ausgestaltungen denkbar, um zu verhindern, dass der zweite Strahlungsdetektor die von der ersten Strahlungsquelle erzeugte Strahlung erfasst. So kann gemäß einer ersten Ausgestaltung der erfindungsgemäßen Spülvorrichtung der zweite Strahlungsdetektor außerhalb des Einfallsbereichs der Strahlung, die von der ersten Strahlungsquelle erzeugt wird, angeordnet sein. Beispielsweise ist es denkbar, die erste Strahlungsquelle innerhalb des WC- oder Urinalbeckens und den zweiten Strahlungsdetektor außerhalb, insbesondere unterhalb, des Beckens anzuordnen.Various embodiments are conceivable in order to prevent the second radiation detector from detecting the radiation generated by the first radiation source. Thus, according to a first embodiment of the flushing device according to the invention, the second radiation detector can be arranged outside the incidence range of the radiation which is generated by the first radiation source. For example, it is conceivable to arrange the first radiation source within the WC or urinal basin and the second radiation detector outside, in particular below, of the basin.
In jedem Fall ist aber erfindungsgemäß eine Abschirmung vorgesehen, die derart ausgebildet ist, dass die Strahlung, die von der ersten Strahlungsquelle erzeugt wird, nicht vom zweiten Strahlungsdetektor erfasst wird. So ist vor dem zweiten Strahlungsdetektor eine die Strahlung der ersten Strahlungsquelle reflektierende oder absorbierende Oberfläche angeordnet. Auf diese Weise kann der zweite Strahlungsdetektor auch innerhalb des Einfallsbereichs der Strahlung, die von der ersten Strahlungsquelle erzeugt wird, angeordnet werden, ohne dass die Gefahr besteht, dass der zweite Strahlungsdetektor von der Strahlung der ersten Strahlungsquelle erfasst wird.In any case, however, a shield is provided according to the invention, which is designed in such a way that the radiation generated by the first radiation source is not detected by the second radiation detector. Thus, in front of the second radiation detector, a surface of the radiation of the first radiation source is reflected or absorbed. In this way, the second radiation detector can also be arranged within the incidence range of the radiation that is generated by the first radiation source, without the danger that the second radiation detector is detected by the radiation of the first radiation source.
Gemäß einer weiteren Ausgestaltung der erfindungsgemäßen Spülvorrichtung weist die Strahlungsquelle eine Leuchtdiode auf. Insbesondere kann die Strahlungsquelle Strahlung im Infrarotbereich erzeugen. Eine Leuchtdiode, insbesondere wenn es sich dabei um eine Infrarotdiode handelt, ist ein zuverlässiges und lang lebendes Bauteil, welches außerdem relativ kostengünstig ist. Ferner wird Infrarotlicht von einem Nutzer nicht als störend empfunden.According to a further embodiment of the flushing device according to the invention, the radiation source has a light-emitting diode. In particular, the radiation source can generate radiation in the infrared range. A light emitting diode, especially if it is an infrared diode, is a reliable and long lasting device which is also relatively inexpensive. Furthermore, infrared light is not perceived as disturbing by a user.
Gemäß wiederum einer weiteren Ausgestaltung der erfindungsgemäßen Spülvorrichtung weist der erste Strahlungsdetektor und/oder der zweite Strahlungsdetektor einen Fotowiderstand, eine Fotodiode und/oder einen Fototransistor auf. Vorzugsweise kann der erste Strahlungsdetektor und/oder der zweite Strahlungsdetektor Strahlung im Infrarotbereich detektieren. Mit anderen Worten ist es denkbar, dass der erste Strahlungsdetektor die Infrarotstrahlung erfasst, welche von der Strahlungsquelle erzeugt und dann vom Nutzer reflektiert worden ist, während der zweite Strahlungsdetektor den Anteil an Infrarotstrahlung des Fremdlichts erfasst.In accordance with yet another embodiment of the flushing device according to the invention, the first radiation detector and / or the second radiation detector has a photoresistor, a photodiode and / or a phototransistor. Preferably, the first radiation detector and / or the second radiation detector can detect radiation in the infrared range. In other words, it is conceivable that the first radiation detector detects the infrared radiation generated by the radiation source and then reflected by the user during the second radiation detector detects the proportion of infrared radiation of the extraneous light.
Gemäß noch einer weiteren Ausgestaltung der erfindungsgemäßen Spülvorrichtung ist die Steuerelektronik derart ausgebildet, dass sie ein Steuersignal zum Öffnen des Ventils sendet, wenn der erste Strahlungsdetektor eine Verringerung der Intensität an Strahlung der ersten Wellenlänge detektiert, nachdem vorzugsweise der Strahlungsdetektor eine vorangehende Erhöhung der Intensität an Strahlung der ersten Wellenlänge detektiert hat. Mit anderen Worten, sobald der Nutzer das WC oder Urinal verläßt, verringert sich die Intensität an Strahlung der ersten Wellenlänge, das heißt die Intensität der Reflektionsstrahlung, da die von der Strahlungsquelle abgegebene Strahlung vom Nutzer nicht mehr in Richtung des ersten Strahlungsdetektor reflektiert wird. Vorzugsweise hat der Strahlungsdetektor vorher eine Erhöhung der Intensität der Reflektionsstrahlung erfasst, nämlich zu dem Zeitpunkt der Annäherung des Nutzers an das WC oder Urinal. Die Steuerelektronik erkennt daran, dass nach dem Absinken der Intensität der Reflektionsstrahlung ein Spülvorgang einzuleiten ist, und sendet ein entsprechendes Steuersignal an das Ventil. Das Ventil öffnet sich und bewirkt damit die Einleitung von Wasser aus dem Spülkasten in das WC- oder Urinalbecken.In accordance with yet another embodiment of the flushing device according to the invention, the control electronics are designed such that they send a control signal for opening the valve when the first radiation detector detects a reduction in the intensity of radiation of the first wavelength, preferably after the radiation detector has a preceding increase in the intensity of radiation the first wavelength has detected. In other words, as soon as the user leaves the toilet or urinal, the intensity of radiation of the first wavelength decreases, that is, the intensity of the reflection radiation, since the radiation emitted by the radiation source is no longer reflected by the user in the direction of the first radiation detector. Preferably, the radiation detector has previously detected an increase in the intensity of the reflection radiation, namely at the time of the approach of the user to the toilet or urinal. The control electronics recognizes that after the intensity of the reflection radiation has dropped, a flushing process must be initiated and sends a corresponding control signal to the valve. The valve opens and thus causes the introduction of water from the cistern into the toilet or urinal basin.
Die vorangehende automatische Erkennung des Zeitpunkts, an dem ein Spülvorgang sinnvoll ist, kann zusätzlich dadurch unterstützt werden, dass die Steuerelektronik ein Steuersignal zum Öffnen des Ventils erst dann sendet, wenn zusätzlich zu der vorangehend beschriebenen Bedingung auch der zweite Strahlungsdetektor eine Erhöhung der Intensität an Strahlung der zweiten Wellenlänge detektiert. Mit anderen Worten, sobald der Nutzer sich vom WC oder Urinal entfernt, erhöht sich automatisch auch der Anteil an Fremdlichtstrahlung, was ein zusätzliches Indiz dafür ist, dass nun ein Spülvorgang vorgenommen werden soll.The preceding automatic detection of the point in time at which a flushing operation makes sense can additionally be assisted by the control electronics only sending a control signal for opening the valve when, in addition to the condition described above, the second radiation detector also increases the intensity of radiation the second wavelength detected. In other words, as soon as the user moves away from the toilet or urinal, the proportion of extraneous light radiation automatically increases, which is an additional indication that a rinsing process is now to be carried out.
Um zu vermeiden, dass allein schon ein plötzlicher Fremdlichteinfall, wie er beispielsweise durch bloßes Anschalten einer Badezimmerbeleuchtung entsteht, einen Spülvorgang auslöst, ist die Steuerelektronik vorzugsweise derart ausgebildet, dass sie kein Steuersignal zum Öffnen des Ventils sendet, wenn nur der zweite Strahlungsdetektor eine Erhöhung der Intensität an Strahlung der zweiten Wellenlänge detektiert, ohne dass vorher der erste Strahlungsdetektor eine Verringerung der Intensität an Strahlung der ersten Wellenlänge detektiert hat. Wird also keine Verringerung der Intensität an Reflektionsstrahlung gemessen, was auf das Entfernen eines Nutzers hindeutet, sondern nur eine Intensitätserhöhung der Fremdlichtstrahlung, so erkennt die Steuerelektronik, dass bisher keine Benutzung des WCs oder Urinals stattgefunden hat und daher eine Spülung nicht notwendig ist.In order to avoid that alone a sudden external light incidence, as it arises for example by simply switching on a bathroom lighting, initiates a flushing process, the control electronics is preferably designed such that it sends no control signal to open the valve, if only the second radiation detector, an increase in Intensity detected at radiation of the second wavelength, without previously the first radiation detector has detected a reduction in the intensity of radiation of the first wavelength. Thus, if no reduction in the intensity of reflection radiation is measured, which indicates the removal of a user, but only an increase in the intensity of the extraneous light radiation, then the control electronics recognizes that so far no use of the WC or urinal has taken place and therefore flushing is not necessary.
Gemäß einer weiteren Ausgestaltung der Spülvorrichtung gemäß der vorliegenden Erfindung wird das Steuersignal zum Öffnen des Ventils zeitverzögert gesendet. Das bedeutet, dass nach Vorliegen aller Bedingungen, die darauf hindeuten, dass der Nutzer das WC oder Urinal verläßt, noch eine gewisse Zeitspanne verstreicht, bevor tatsächlich der Spülvorgang ausgelöst wird. Eine geeignete Zeitspanne zwischen Verlassen des WCs oder Urinals und dem Spülvorgang ist vorzugsweise individuell einstellbar und kann zwischen einer und mehreren Sekunden liegen.In accordance with a further embodiment of the flushing device according to the present invention, the control signal for opening the valve is sent with a time delay. This means that after all the conditions that indicate that the user is leaving the toilet or urinal, a certain amount of time elapses before the flushing process is actually triggered. An appropriate period of time between leaving the WC or urinal and flushing is preferred individually adjustable and can be between one and several seconds.
Gemäß wiederum einer weiteren Ausgestaltung der erfindungsgemäßen Spülvorrichtung weist diese ferner ein Mittel zum Einstellen der Öffnungsdauer und/oder Öffnungsweite des Ventils auf. Auf diese Weise kann die Spüldauer und/oder Spülwassermenge eingestellt werden. Es ist auch denkbar, dass abhängig von der Zeitspanne, in der der Nutzer von der Sensorik erfasst worden ist, die Spüldauer und/oder Spülmenge eingestellt wird.According to yet another embodiment of the flushing device according to the invention, this further comprises a means for adjusting the opening duration and / or opening width of the valve. In this way, the purging and / or flushing water amount can be adjusted. It is also conceivable that, depending on the time span in which the user has been detected by the sensor, the purging duration and / or flushing amount is set.
Ferner kann auch ein Mittel zum Einstellen der Reichweite und/oder Sendeleistung der Strahlungsquelle vorgesehen sein. Auch auf diese Weise läßt sich die Steuerelektronik auf individuelle Bedürfnisse einstellen.Furthermore, a means for adjusting the range and / or transmission power of the radiation source can also be provided. Also in this way, the control electronics can be adjusted to individual needs.
Das Mittel zum Einstellen der Öffnungsdauer und/oder der Öffnungsweite des Ventils und/oder das Mittel zum Einstellen der Reichweite und/oder Sendeleistung der Strahlungsquelle ist vorzugweise ein Einstellpotentiometer.The means for adjusting the opening duration and / or the opening width of the valve and / or the means for adjusting the range and / or transmission power of the radiation source is preferably a Einstellpotentiometer.
Gemäß noch einer anderen Ausgestaltung der erfindungsgemäßen Spülvorrichtung weist diese ferner eine Batterie und/oder ein Netzteil zur Spannungsversorgung auf. Auf diese Weise kann die Spülvorrichtung auf verschiedene Arten mit der notwendigen elektrischen Energie versorgt werden.According to yet another embodiment of the flushing device according to the invention, this further comprises a battery and / or a power supply for power supply. In this way, the flushing device can be supplied with the necessary electrical energy in various ways.
Gemäß wiederum einer anderen Ausgestaltung der erfindungsgemäßen Spülvorrichtung ist die Strahlungsquelle aktivierbar. Mit anderen Worten, die Strahlungsquelle, welche die vom Nutzer zu reflektierende Strahlung aussendet, kann in diesem Fall angeschaltet und abgeschaltet werden. Auf diese Weise kann Energie, insbesondere wenn es sich bei der Spannungsversorgung um eine Batterie handelt, eingespart werden.According to yet another embodiment of the flushing device according to the invention, the radiation source can be activated. In other words, the radiation source which emits the radiation to be reflected by the user can, in be turned on and turned off in this case. In this way, energy, especially when it comes to the power supply to a battery can be saved.
Vorzugweise ist die Steuerelektronik derart ausgebildet, dass sie ein Steuersignal zum Aktivieren der Strahlungsquelle sendet, wenn der zweite Strahlungsdetektor eine Verringerung der Intensität an Strahlung der zweiten Wellenlänge detektiert. Mit anderen Worten, tritt der Nutzer in die Nähe des WCs oder Urinals, so verringert sich der Anteil an Fremdlichtstrahlung, der auf den zweiten Strahlungsdetektor einfällt, da der Nutzer den zweiten Strahlungsdetektor gegenüber dem Fremdlicht abdeckt. In diesem Fall registriert die Steuerelektronik, dass möglicherweise eine Nutzung des WCs oder Urinals erfolgen wird. Daraufhin aktiviert die Steuerelektronik die Strahlungsquelle, um Strahlung zu erzeugen, die nachweist, dass tatsächlich das WC oder Urinal in Benutzung ist.Preferably, the control electronics is designed such that it sends a control signal for activating the radiation source, when the second radiation detector detects a reduction in the intensity of radiation of the second wavelength. In other words, when the user comes near the toilet or urinal, the amount of extraneous light radiation incident on the second radiation detector decreases because the user covers the second radiation detector with respect to extraneous light. In this case, the control electronics registers that it may be that the toilet or urinal will be used. The control electronics then activate the radiation source to produce radiation that proves that the toilet or urinal is actually in use.
Es ist auch denkbar, dass noch eine weitere Strahlungsquelle zur Erzeugung von Strahlung einer dritten Wellenlänge vorgesehen ist, wobei die dritte Wellenlänge vorzugsweise im Infrarotbereich liegt. Die weitere Strahlungsquelle kann so ausgebildet sein, wie dies zuvor für die erste Strahlungsquelle beschrieben wurde. Vorzugsweise ist die weitere Strahlungsquelle aber kleiner als die erste Strahlungsquelle und benötigt weniger Energie. Insbesondere ist die weitere Strahlungsquelle dauerhaft aktiviert. Mit anderen Worten, die Strahlungsquelle leuchtet bzw. strahlt durchgängig. Auf diese Weise kann unter anderem der Batterieladezustand angezeigt werden.It is also conceivable that a further radiation source for generating radiation of a third wavelength is provided, wherein the third wavelength is preferably in the infrared range. The further radiation source can be designed as described above for the first radiation source. Preferably, however, the further radiation source is smaller than the first radiation source and requires less energy. In particular, the further radiation source is permanently activated. In other words, the radiation source illuminates or radiates continuously. In this way, among other things, the battery state of charge can be displayed.
Es ist alternativ oder zusätzlich auch denkbar, dass die weitere Strahlungsquelle dazu verwendet wird, die erste Strahlungsquelle zu aktivieren. Dazu ist gemäß einer weiteren Ausgestaltung der erfindungsgemäßen Spülvorrichtung vorgesehen, dass die Steuerelektronik derart ausgebildet ist, dass sie ein Steuersignal zum Aktivieren der ersten Strahlungsquelle sendet, wenn der erste Strahlungsdetektor eine Erhöhung der Intensität an Strahlung der dritten Wellenlänge detektiert. Mit anderen Worten, sobald der Nutzer in den Bereich des WCs oder Urinals kommt, wird er von der Strahlung der dritten Wellenlänge erfasst und reflektiert diese. Die Reflektion wird wiederum von dem ersten Strahlungsdetektor detektiert und von der Steuerelektronik als Indiz interpretiert, dass möglicherweise nun eine Nutzung des WCs oder Urinals erfolgt. Daraufhin wird die erste Strahlungsquelle, die die eigentliche Reflektionsstrahlung bewirkt, aktiviert. Diese Vorgehensweise ist insbesondere vorteilhaft, wenn es sich bei der ersten Strahlungsquelle um eine solche handelt, die gegenüber der weiteren Strahlungsquelle erheblich mehr Energie benötigt.It is alternatively or additionally also conceivable that the further radiation source is used to activate the first radiation source. For this purpose, according to a further embodiment of the flushing device according to the invention, it is provided that the control electronics are designed such that they transmit a control signal for activating the first radiation source when the first radiation detector detects an increase in the intensity of radiation of the third wavelength. In other words, as soon as the user comes into the area of the toilet or urinal, he is detected by the radiation of the third wavelength and reflects it. The reflection is in turn detected by the first radiation detector and interpreted by the control electronics as an indication that may now be a use of the toilet or urinal. Then, the first radiation source, which causes the actual reflection radiation, activated. This procedure is particularly advantageous if the first radiation source is one which requires considerably more energy than the further radiation source.
Gemäß einer anderen Ausgestaltung der erfindungsgemäßen Spülvorrichtung ist diese als bauliche Einheit ausgebildet. Als bauliche Einheit kann die Spülvorrichtung besonders schnell und einfach installiert werden. Auch nimmt eine bauliche Einheit, da die Abmessungen werkseitig optimiert worden sind, relativ wenig Raum ein.According to another embodiment of the flushing device according to the invention, this is designed as a structural unit. As a structural unit, the flushing device can be installed very quickly and easily. Also takes a structural unit, since the dimensions have been factory-optimized, relatively little space.
Vorzugsweise ist zumindest ein Teil der die Spülvorrichtung bildenden Bauteile in einen Tragrahmen vergossen. Insbesondere die Steuerelektronik ist in den Tragrahmen vergossen.Preferably, at least a part of the components forming the flushing device is cast in a support frame. In particular, the control electronics is potted in the support frame.
Auch kann zumindest ein Teil der die Spülvorrichtung bildenden Bauteile, insbesondere die Steuerelektronik, die Sensoreinheit und/oder die Strahlungsquelle(n), auf einer kombinierten Leiterplatte angeordnet sein.Also, at least part of the components forming the flushing device, in particular the control electronics, the sensor unit and / or the radiation source (s), can be arranged on a combined printed circuit board.
Die zuvor hergeleitete und aufgezeigte Aufgabe wird ferner gelöst durch ein WC oder Urinal mit einer Spülvorrichtung, wie sie zuvor beschrieben wurde.The previously derived and indicated object is further achieved by a toilet or urinal with a flushing device, as previously described.
Es gibt nun eine Vielzahl von Möglichkeiten, die erfindungsgemäße Spülvorrichtung und das erfindungsgemäße WC oder Urinal auszugestalten und weiterzubilden. Hierzu wird beispielsweise verwiesen einerseits auf die dem Patentanspruch 1 nachgeordneten Patentansprüche, andererseits auf die Beschreibung eines Ausführungsbeispiels in Verbindung mit der Zeichnung.There are now a variety of ways to design and further develop the flushing device according to the invention and the toilet or urinal according to the invention. For this purpose, for example, referenced on the one hand to the claims subordinate to claim 1, on the other hand to the description of an embodiment in conjunction with the drawing.
In der Zeichnung zeigt die einzige Figur den schematischen Aufbau eines Ausführungsbeispiels einer erfindungsgemäßen Spülvorrichtung für ein WC oder Urinal.In the drawing, the single figure shows the schematic structure of an embodiment of a flushing device according to the invention for a toilet or urinal.
Erfindungsgemäß weist die Spülvorrichtung eine Steuerelektronik 2 auf, welche in der vorliegenden Zeichnung als zentrales Bauteil dargestellt ist. Die Steuerelektronik 2 ist mit einer Sensoreinheit 1 verbunden, welche einen ersten Strahlungsdetektor 5 und einen zweiten Strahlungsdetektor 6 aufweist.According to the invention, the flushing device has an
Der erste Strahlungsdetektor 5 dient zur Detektion von Strahlung einer ersten Wellenlänge, welche von einer Strahlungsquelle 4, die ebenfalls mit der Steuerelektronik 2 verbunden ist, erzeugt wurde und anschließend von einem Benutzer des WCs oder Urinals reflektiert wurde.The
Der zweite Strahlungsdetektor 6 dient zur Detektion von Strahlung einer zweiten Wellenlänge, die beispielsweise von Fremdlicht herrührt.The
Auf diese Weise kann die Steuerelektronik Reflektionsstrahlung, die auf die Anwesenheit eines Nutzers hindeutet, und Fremdlichtstrahlung unterscheiden und zur Steuerung eines elektrisch ansteuerbaren Ventils 3 verwenden. Die Steuerung des Ventils 3 kann auf diese Weise nicht mehr nennenswert durch Fremdlichtstrahlung gestört werden, was gemäß Stand der Technik zu Fehlspülungen führte.In this way, the control electronics reflect radiation, which indicates the presence of a user, and distinguish ambient light radiation and use to control an electrically
Im vorliegenden Fall handelt es sich bei der Strahlungsquelle 4 um eine Leuchtdiode, welche Strahlung im Infrarotbereich erzeugen kann. Auch die beiden Strahlungsdetektoren 5 und 6, bei denen es sich um Fotodioden handelt, können Strahlung im Infrarotbereich detektieren.In the present case, the
Im dargestellten Ausführungsbeispiel dient einerseits eine Batterie 9 und andererseits ein Netzteil 10 zur Spannungsversorgung. Im Normalfall wird die Funktion der erfindungsgemäßen Spülvorrichtung über das Netzteil 10 gewährleistet, im Falle eines Stromausfalls oder einer Störung des Netzteils dagegen von der Batterie 9. Auf diese Weise ist dauerhaft eine komfortable und berührungslose Auslösung des Spülvorgangs möglich. Eine weitere als Leuchtdiode ausgebildete Strahlungsquelle 11 zeigt dabei dem Nutzer dauerhaft den Ladezustand der Batterie 9 an. Ist die Strahlungsquelle 11 erloschen, so zeigt dies dem Nutzer an, dass eine neue Batterie eingesetzt werden sollte. Selbstverständlich ist es auch denkbar, statt der Batterie 9 einen Akku vorzusehen, der vorzugsweise automatisch über das Netzteil 10 geladen wird.In the illustrated embodiment, on the one hand serves a
Bei dem in der einzigen Figur dargestellten Ausführungsbeispiel sendet die Steuerelektronik 2 dann ein Steuersignal zum Öffnen des Ventils 3, wenn beim Herannahen eines Nutzers der Strahlungsdetektor 5 zunächst eine Erhöhung der Intensität an Strahlung der ersten Wellenlänge, also an Reflektionsstrahlung, detektiert hat und anschließend, indem der Nutzer das WC oder Urinal verläßt, der erste Strahlungsdetektor eine Verringerung der Intensität an Reflektionsstrahlung detektiert hat. Auf diese Weise erkennt die Steuerelektronik 2, dass zunächst eine Benutzung des WCs und Urinals aufgenommen wird und diese anschließend beendet wird. Nach einer gewissen Zeitverzögerung öffnet dann das Ventil 3 und löst damit automatisch den Spülvorgang aus.In the embodiment shown in the single figure, the
Die Spüldauer und Spülwassermenge wird dabei über ein Mittel 7 zum Einstellen der Öffnungsdauer und der Öffnungsweite des Ventils 3 in Form eines Einstellpotentiometers individuell gewählt.The purging duration and amount of flushing water is individually selected via a
Außerdem weist die Spülvorrichtung gemäß dem in der einzigen Figur dargestellten Ausführungsbeispiel noch ein Mittel 8 zum Einstellen der Reichweite und/oder Sendeleistung der Strahlungsquelle 4 auf, ebenfalls in Form eines Einstellpotentiometers. Auf diese Weise kann die Steuerung individuell an die Bedürfnisse des Nutzers angepasst werden.In addition, the flushing device according to the embodiment shown in the single figure still has a
Claims (14)
- A flushing device for a WC or urinal- with an electric sensor unit (1),- with control electronics (2) which are electrically connected to the sensor unit (1),- with an electrically controllable valve (3) which is electrically connected to the control electronics (2) and which can be connected to a cistern via a fluid connection,- with a radiation source (4) for generating radiation of a first wavelength,- with a first radiation detector (5) of the sensor unit (1) configured for detecting the radiation of the first radiation source (4),- with a surface reflecting or absorbing the radiation of the first radiation source, and- with a second radiation detector (6) of the sensor unit (1) configured for detecting radiation of a second wavelength, wherein the second radiation detector (6) is arranged in such a manner that it is not caught by the radiation which is generated by the first radiation source (4),characterised in that the surface reflecting or absorbing the radiation of the first radiation source is arranged upstream of the second radiation detector in such a manner that the radiation which is generated by the first radiation source (4) is not detected by the second radiation detector (6).
- The flushing device according to Claim 1, characterised in that the second radiation detector (6) is arranged outside of the incident area of the radiation which is generated by the first radiation source (4).
- The flushing device according to Claim 1 or 2, characterised in that the radiation source (4) has a light-emitting diode and/or can generate radiation in the infra-red range.
- The flushing device according to one of the preceding claims, characterised in that the first radiation detector (5) and/or the second radiation detector (6) has a photoresistor, a photodiode and/or a phototransistor and/or can detect radiation in the infra-red range.
- The flushing device according to one of the preceding claims, characterised in that the control electronics (2) are constructed in such a manner that they transmit a control signal for opening the valve (3) if the first radiation detector (5) detects a reduction of the intensity of radiation of the first wavelength, after the radiation detector (5) has preferably detected a preceding increase of the intensity of radiation of the first wavelength, and in particular if additionally the second radiation detector (6) detects an increase of the intensity of radiation of the second wavelength.
- The flushing device according to one of the preceding claims, characterised in that the control electronics (2) are constructed in such a manner that they do not transmit a control signal for opening the valve (3) if only the second radiation detector (6) detects an increase of the intensity of radiation of the second wavelength, without the first radiation detector (5) having previously detected a reduction of the intensity of radiation of the first wavelength.
- The flushing device according to one of Claims 5 or 6, characterised in that the control signal for opening the valve (3) is transmitted in a time-delayed manner.
- The flushing device according to one of the preceding claims, characterised in that it further has a means (7) for setting the opening duration and/or the opening width of the valve (3) and/or a means (8) for setting the range and/or the transmitting power of the radiation source (4), wherein the means (7, 8) is an adjustment potentiometer in particular.
- The flushing device according to one of the preceding claims, characterised in that the radiation source (4) can be activated, wherein the control electronics (2) are in particular constructed in such a manner that they transmit a control signal for activating the radiation source (4) if the second radiation detector (6) detects a reduction of the intensity of radiation of the second wavelength.
- The flushing device according to one of the preceding claims, characterised in that a further radiation source (11) for generating radiation of a third wavelength, which preferably lies in the infra-red range, is provided, wherein the further radiation source (11) is preferably permanently activated and wherein the control electronics (2) are in particular constructed in such a manner that they transmit a control signal for activating the first radiation source (4) if the first radiation detector (5) detects an increase of the intensity of radiation of the third wavelength.
- The flushing device according to one of the preceding claims, characterised in that it is constructed as a structural unit and in particular at least a portion of the components forming the flushing device, preferably the control electronics (2), is embedded in a supporting frame.
- The flushing device according to Claim 11, characterised in that at least a portion of the components forming the flushing device, in particular the control electronics (2), the sensor unit (1) and/or the radiation source(s) (4, 11), is arranged on a combined circuit board.
- The flushing device according to one of the preceding claims, characterised in that the first wavelength and the second wavelength are identical.
- A WC or urinal with a flushing device according to one of the preceding claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL08103995T PL2011929T3 (en) | 2007-07-03 | 2008-05-16 | Flushing device for a toilet or urinal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202007009348U DE202007009348U1 (en) | 2007-07-03 | 2007-07-03 | Flushing device for a toilet or urinal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2011929A1 EP2011929A1 (en) | 2009-01-07 |
| EP2011929B1 true EP2011929B1 (en) | 2013-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08103995A Not-in-force EP2011929B1 (en) | 2007-07-03 | 2008-05-16 | Flushing device for a toilet or urinal |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2011929B1 (en) |
| DE (1) | DE202007009348U1 (en) |
| DK (1) | DK2011929T3 (en) |
| ES (1) | ES2401468T3 (en) |
| PL (1) | PL2011929T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12495881B2 (en) | 2022-04-22 | 2025-12-16 | B/E Aerospace, Inc. | Inadvertent operations in touchless lavatory |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12339417B2 (en) | 2022-04-28 | 2025-06-24 | B/E Aerospace Inc. | Inadvertent operations in touchless lavatory |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH633398A5 (en) * | 1978-06-20 | 1982-11-30 | Grieshaber Ag | Opto-electrical proximity switch |
| DE69112781T2 (en) * | 1990-11-29 | 1996-02-22 | Inax Corp | Automatic water rinsing device for W.C. system. |
| US5313673A (en) * | 1993-03-19 | 1994-05-24 | Zurn Industries, Inc. | Electronic flush valve arrangement |
| PL175757B1 (en) * | 1994-03-03 | 1999-02-26 | Geberit Technik Ag | Control device for and method of touch-free controlling appliances in particular sanitary ones |
| CH690253A5 (en) * | 1995-06-08 | 2000-06-15 | Geberit Technik Ag | Electronic controller for contactless system control has phase synchronizing circuit producing corrected useful signal phase coherent with pulsed transmitted signal |
| DE19950874A1 (en) * | 1999-10-22 | 2001-04-26 | Dal Georg Rost & Soehne Sanita | Electronic control device for water pipeline solenoid valve |
| DE10111210B4 (en) * | 2001-03-08 | 2005-05-12 | Mepa-Pauli Und Menden Gmbh | Method for controlling the flushing of a urinal |
| EP1489236A1 (en) * | 2003-06-18 | 2004-12-22 | Hansa Metallwerke Ag | Circuit arrangement for operating a touchless controlled sanitary device |
| JP2005037320A (en) * | 2003-07-18 | 2005-02-10 | Sharp Corp | Human body detection device and electronic device equipped with the same |
| US7516939B2 (en) * | 2004-12-14 | 2009-04-14 | Masco Corporation Of Indiana | Dual detection sensor system for washroom device |
-
2007
- 2007-07-03 DE DE202007009348U patent/DE202007009348U1/en not_active Expired - Lifetime
-
2008
- 2008-05-16 PL PL08103995T patent/PL2011929T3/en unknown
- 2008-05-16 ES ES08103995T patent/ES2401468T3/en active Active
- 2008-05-16 EP EP08103995A patent/EP2011929B1/en not_active Not-in-force
- 2008-05-16 DK DK08103995.0T patent/DK2011929T3/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12495881B2 (en) | 2022-04-22 | 2025-12-16 | B/E Aerospace, Inc. | Inadvertent operations in touchless lavatory |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2401468T3 (en) | 2013-04-19 |
| DE202007009348U1 (en) | 2008-11-13 |
| PL2011929T3 (en) | 2013-07-31 |
| EP2011929A1 (en) | 2009-01-07 |
| DK2011929T3 (en) | 2013-05-21 |
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