EP1621690B1 - Toilette avec évacuation des odeurs - Google Patents

Toilette avec évacuation des odeurs Download PDF

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Publication number
EP1621690B1
EP1621690B1 EP05101904A EP05101904A EP1621690B1 EP 1621690 B1 EP1621690 B1 EP 1621690B1 EP 05101904 A EP05101904 A EP 05101904A EP 05101904 A EP05101904 A EP 05101904A EP 1621690 B1 EP1621690 B1 EP 1621690B1
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EP
European Patent Office
Prior art keywords
sensor
fan
annular channel
air
toilet
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Not-in-force
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EP05101904A
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German (de)
English (en)
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EP1621690A3 (fr
EP1621690A2 (fr
Inventor
Christian Czapla
Ralf Becker
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Villeroy and Boch AG
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Villeroy and Boch AG
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Publication date
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Publication of EP1621690A2 publication Critical patent/EP1621690A2/fr
Publication of EP1621690A3 publication Critical patent/EP1621690A3/fr
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Publication of EP1621690B1 publication Critical patent/EP1621690B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/04—Special arrangement or operation of ventilating devices
    • E03D9/05—Special arrangement or operation of ventilating devices ventilating the bowl
    • E03D9/052—Special arrangement or operation of ventilating devices ventilating the bowl using incorporated fans
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets
    • A47K13/24—Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
    • A47K13/30—Seats having provisions for heating, deodorising or the like, e.g. ventilating, noise-damping or cleaning devices
    • A47K13/307—Seats with ventilating devices

Definitions

  • the invention relates to a toilet equipment with a toilet bowl, with a flushing device and with a deodorizing to avoid annoying odors, wherein at the edge of the toilet bowl, an annular channel which is connected via a flushing water pipe with a flushing pipe of the flushing device and from the the rinse water exits into the toilet bowl, and wherein the deodorizing device sucks air from the inside of the toilet bowl via an intake pipe, and at least one suction duct branches off from the annular duct and is connected to the suction pipe of the deodorizing apparatus.
  • the invention further relates to a particularly suitable for this toilet equipment toilet bowl.
  • the deodorizing device is a fan which is connected directly to the flushing water pipe and sucks the air from the toilet bowl and presses it into the drain pipe.
  • the fan is activated by a sensor located on the seat board.
  • a similar toilet equipment is out US-A-4,133,060 known, wherein the fan is arranged in a pipe piece crossing the Spülwasserstutzen, on whose circumference is a series of small openings and the lower end is open and opens into the drain pipe.
  • the openings arranged on the circumference loaded air is sucked from the toilet bowl, which is then forced by the fan from the lower end of the pipe section in the drain pipe.
  • a slidable sleeve is arranged, which only releases the small openings on the circumference of the tube piece, when the fan rotates.
  • the air is sucked out of the toilet bowl on the flush pipe and a branch away from this branch and then out of the toilet room.
  • a wire mesh Through a wire mesh, water is prevented from getting out of the flushing pipe in the branching vent arm.
  • a fan for extracting the exhaust air In the branching vent arm is a fan for extracting the exhaust air, which is activated if necessary via an electronic switching device.
  • Out DE-U-200 03 074 is a vent connector for toilet bowl is known in which branches off a connection to a vent channel of the flushing pipe or the flushing water pipe.
  • the vent connector includes a float member that floats upon actuation of the purge and closes the port to the vent passage.
  • a device in which from the interior of the toilet bowl, the air is sucked by means of a fan and passed through an ionization device to oxidize odor molecules.
  • the fan motor and the ionization device are turned on by a switch which is operated by folding down the toilet seat board.
  • the fan and the ionization device are housed in a housing which is mounted laterally next to the pivot axis of the toilet seat board.
  • EP-A-0 567 775 It is known to prepare indoor air for living and working spaces by means of a central air conditioning unit. Before treatment, the room air is analyzed with a pollutant sensor for oxidizable pollutants. The pollutants are oxidized by ozone from an oxidizer, the amount of In the oxidizer generated ozone is controlled in response to the signal of the pollutant sensor. The room air is further treated in a filter device, wherein still existing ozone is converted into stable, molecular oxygen. The ozone generated in the ozonizer is additionally controlled and regulated by an ozone sensor arranged after the filter device.
  • EP-A-0 526 077 a device which sucks air from a toilet bowl by means of a fan and passes through a honeycomb charcoal filter carrying iodine or inorganic iodide.
  • the fan is switched on by means of a switch or a sensor.
  • the sensor may be a photosensor, eg an infrared sensor or a pressure sensor indicating the use of the toilet.
  • the power can be supplied by a battery or by means of a transformer via the mains.
  • an odor sensor is provided which is disposed behind the activated carbon filter and indicates when the effect of the filter deteriorates.
  • US-A-6 052 837 is a similar device with also an activated carbon filter and a fan, and a switch or sensor known, which signals the use of the toilet.
  • a flow meter and the speed of the fan is controlled so that a certain air flow is achieved.
  • the speed of the fan is also controlled to be higher during use of the toilet and then lower for a certain time.
  • a toilet equipment wherein at the edge of the toilet bowl, an annular channel extends, which has a plurality of inwardly facing openings.
  • the annular channel is connected to the suction pipe of the deodorizing device. The flushing of the toilet bowl is done separately via a flushing pipe opening into the basin.
  • EP-A-1 445 387 with priority from 3 February 2003 which however is post-published, is a device of the beginning known type having a sensor which examines the extracted air for oxidizable odor molecules and generates a signal representing the concentration of oxidizable odor molecules in the extracted air, wherein the ionization device is controlled in response to the signal of the sensor.
  • the control of the ionization device involves the ionization device being activated as soon as the sensor indicates that odorous molecules oxidizable in the extracted air are contained.
  • the fan may be further controlled to operate at a first power level, when the sensor signal does not indicate oxidizable odor molecules in the extracted air, and at a second higher power level when the signal indicates the presence of oxidizable odor molecules in the air indicates sucked air.
  • the activation can also be done by a mounted on the seat board switch. Power is supplied via the mains via a power supply with a mains transformer.
  • the invention has for its object to provide a toilet equipment with the annoying odors can be suppressed very effective and reliable, the risk of ingress of rinse water is avoided in the deodorizing.
  • Usual toilet bowls have at the upper edge of a hidden annular channel with outlet openings for the rinse water.
  • the annular channel may also have a complete or partially open flushing channel instead of the pierced outlet openings to have.
  • This channel opens at the rear end of the toilet bowl a Spülwasserstutzen, in which the flushing pipe is inserted with a sealing sleeve.
  • the suction channels are attached in this embodiment of the invention to the annular channel. The air is sucked out of the interior of the toilet bowl and passed through the DOM via the annular channel and the two outgoing exhaust ducts, which are connected to the suction pipe of the DOM.
  • suction channels are suitably formed in the ceramic of the toilet bowl and have at its rear end on the top openings for connection to the suction pipe of the deodorizing device.
  • this connection is made via a flexible hose piece.
  • the Spülwasserstutzen has constrictions at the points where the Spippowasserstutzen is connected to the annular channel.
  • the constrictions are dimensioned such that the pressure drop of the flushing water flow substantially takes place in them and the flushing water is distributed after the constrictions substantially without pressure in the annular channel and exits through the openings in the toilet bowl.
  • the suction channels branch off after the constrictions of the annular channel, so that the rinse water is not pressed into the suction channels.
  • the deodorizing apparatus generally has a fan means for sucking the air from the inside of the toilet bowl and a deodorizing means for removing odor molecules.
  • the fan draws in air via the intake pipe and delivers it to the deodorizing device, which may be an activated carbon filter or an ionizing device.
  • the deodorizing device further includes a switching device by which the fan device is turned on when using the toilet. Electricity is thereby only consumed while using the toilet.
  • the switching device may be a switch which is arranged under the seat board and closes a circuit when depressing the seat board.
  • known devices such as capacitive sensors or infrared sensors can be used to detect the presence of a person and thus the use of the toilet.
  • the switching means may also be a piezoelectric pressure transducer integrated with a washer disposed between the stationary hinge part of the seat board and the top of the WC bowl. As the user sits down on the seat board, pressure is applied to the piezoelectric transducer to change its resistance, and that is reduced. The current flowing therethrough is received as a use signal from the controller.
  • Another possibility is to store one of the two fastening screws of the stationary hinge part of the seat board displaceable in the opening provided for the attachment of this screw opening in the top of the toilet bowl and support it by a spring element.
  • the fixing screw is pressed down slightly against the resilient support when a person sits down on the seat board. This displacement of the fastening screw is then used to actuate a switch mounted on the underside of the edge of the toilet bowl, which constitutes the switching device.
  • This embodiment can be realized in that the fastening screw is secured in an inner sleeve, which in turn is mounted vertically displaceable in an outer sleeve. Both sleeves have at their upper end a disc-shaped flange and between the two flanges an elastic ring is inserted.
  • the inner sleeve protrudes at the lower end over the outer sleeve, and at its lower end an actuating arm is fixed, which presses in the normal state from below against a micro-switch, which at the lower end of the outer sleeve is fixed.
  • the microswitch is designed to close a circuit thereby activating the control of the deodorizing device.
  • the deodorizing device preferably further comprises an odor sensor which provides an output signal depending on existing oxidizable odor molecules or certain gas molecules.
  • VOC Volatile Organic Compound
  • a semiconductor tin oxide sensor which detects oxidizable gas components in the air.
  • sensors are well known and are available, for example, from FIS Inc., 2-5-26, Hachizuka, Ikeda, Osaka, 563-0024 Japan. It is suitable, e.g. the FIS gas sensor SB-AQ1A.
  • H 2 sensor is also suitable.
  • hydrogen is an odorless gas, it can be used as a guide gas, since it is always formed in human digestion, while the other gas constituents, such as methane or H 2 S depending on the ingested food to a greater or lesser extent or not formed .
  • hydrogen has the advantage that it is not used in perfumes and similar cosmetics, so that a false response of the sensor to such cosmetics is prevented.
  • An H 2 sensor thus has the advantage that it responds on the one hand safely, if any odor molecules or air components are present, which are due to human digestion, and on the other hand, a false response to eg cosmetics is avoided.
  • Suitable H 2 sensors are also available from FIS Inc. (see Products Review, Sensors and Systems Technology, revised June, 1998, version 4.2 of Vis Inc.), eg Model SB 19.
  • the deodorizing device preferably has a controller which responds to the output signal of the sensor and controls the fan device. Once the controller is activated, the fan is turned on and the odor sensor is put into operation. In order to keep the power consumption as low as possible, the fan device is initially only switched to a standby state in which a relatively small air flow is generated. Only when the sensor indicates the presence of odor molecules, the fan device is switched to full power (operating state).
  • the fan device operates in the standby state, that is, when the sensor detects no odor molecules, such as half power, while it is switched to full power when the sensor detects the presence of odor molecules.
  • the fan device may include one or more fans. If the fan device contains two fans, they can have different powers, with the controller then only switching on the low-power fan in the standby state and then both fans or the fan with the higher power in the operating state.
  • the fan device has only a single fan, then it is operated in the standby state at a relatively low speed, while it is operated in the operating state at full speed.
  • the fan device has only a single fan, but this is to be understood that also several fans may be present, which are controlled in the manner described.
  • the fan can be of any type, eg radial fan, cross-flow fan, tangential fan. Preferably, it is a Axial fan. A maximum output of about 60 liters per minute is generally sufficient.
  • the power consumption of the device according to the invention is composed of that of the fan with about 1500 mW, the control of a few mW and that of the sensor of about 120 mW.
  • the power consumption of the sensor is relatively high because it is connected to a small heating element.
  • the sensitivity of the sensor requires that it be heated to at least about 30 ° C. Added to this is the power consumption of the switching device, if it works by means of a piezoelectric pressure transducer. This power consumption is about 2 ⁇ W.
  • the toilet is used 8 times a day for defecation, with the ventilator then running for 1 minute and 10 times for urinating only, whereby the ventilator then runs at half power for one minute only ,
  • the specified frequency of use will result in an annual power consumption of 13 Wh and possibly for a piezoelectric pressure transducer of 0.0173 Wh.
  • This energy requirement of A total of about 130 Wh can be covered by four nickel-iron batteries of type D (mono-cells).
  • the deodorizing device may be an activated carbon filter or an ionizing device.
  • the deodorizing device is an activated carbon filter, it is preferably provided with a basic or acid prefilter.
  • the activated carbon filter is preferably provided with an antibacterial agent, e.g. Silver, doped.
  • Suitable activated carbon filters are available from CAMFIL (Sweden).
  • the deodorizing device When the deodorizing device is an ionizing device, it is controlled similarly to the fan depending on the odor signal of the sensor. It is turned on, when the sensor indicates the presence of oxidizable odor molecules.
  • the power of the ionization device can be controlled in dependence on the amplitude of the odor signal of the sensor. This ensures that the amount of air ions and ozone produced by the ionization device is just about as large as is necessary for the oxidation of the odor molecules. The generation of a substantial amount of excess air ions and excess ozone and the associated pungent odor are avoided.
  • the ionizing tube may be a glass hollow cylinder having an outer diameter of 20 mm, a cylinder height of 50 mm and a wall thickness of 0.8 mm. On the inside and outside of the glass cylinder, flat, grid-shaped electrodes are attached. The ends of the cylindrical tube may be open or closed.
  • the high voltage unit of the ionization device generates a voltage of 1 to 1.8 kV with a frequency of 8 to 13 kHz, in the previously described ionization tube preferably an AC voltage of 1.5 kV at a frequency of 10 kHz.
  • the alternating voltage is applied in the form of rectangular pulses with a frequency, for example in the range of 50 Hz, to the electrodes of the ionization tube.
  • the control of the ionization power, ie the amount of generated air ions and ozone molecules, is controlled by changing the duration of the square pulses and their spacing (duty cycle). There is either no voltage at the ionization tube or a certain set high voltage, eg 1.5 kV.
  • the activated carbon filter can be regenerated, for example by heating.
  • the sensor may be arranged in front of, behind or beside the ionization device in the direction of the airflow generated by the fan. It is only important that the sensor is located within the air flow generated by the fan before this air flow exits back into the room. If the sensor is arranged behind the ionization device, it must be taken into account when determining the control curve that some of the oxidizable odor molecules have already been oxidized before they could reach the sensor. The dependence of the power of the ionization device on the sensor signal then has at least partially the character of a control.
  • the sensor then has a total of three functions: firstly, the ionization device is switched on as soon as the sensor detects oxidizable odor molecules, secondly the sensor controls the performance of the ionization device depending on the concentration of the detected odor molecules and thirdly the performance of the fan is increased as soon as the sensor detects oxidizable odor molecules.
  • the controller When using a VOC sensor, the controller preferably operates so that the odor signal that controls the fan is not derived from the absolute level of the signal from the VOC sensor, but from the first derivative of that signal, ie, the odor signal from an increase of the output signal of the VOC sensor is generated. It has been shown that this improves the response reliability, since the VOC sensor responds, for example, to the vapors of cleaning agents or perfumes, the concentration changes in such "odor molecules", however, are much slower.
  • the threshold of the increase, ie the first one Deriving the curve representing the time course of the concentration of oxidizable odor molecules at which the odor signal is generated to start the fan can be determined experimentally.
  • a timer Upon reaching the threshold value, a timer is triggered, which switches the fan to full power for a certain time, eg 1 minute. If the threshold is reached again within this period, the timer is triggered again. The fan is then switched to full power as soon as the threshold is reached and remains at full power until the end of the specified time period, eg 1 minute, after falling below the threshold value.
  • the thus derived odor or control signal for the fan does not indicate the absolute concentration of the odor molecules, and therefore the signal is not suitable for controlling the performance of an ionizer.
  • an activated carbon filter is used as a deodorizing device, or by the controller is additionally output the signal representing the absolute concentration of the odor molecules. And this signal is used to control the performance of the ionizer.
  • the power consumption of the deodorizing device can be kept so low that a battery is sufficient as a power source, and at a normal frequency of use once a year, the batteries must be replaced.
  • the deodorizing device is suitably formed as a compact module (deodorizing module DOM) containing the fan device, the sensor, the deodorizing device (activated carbon filter or ionizing device with ionizing tube and high voltage unit), the controller and the power supply for these components.
  • Power can be supplied via the mains using a power supply with a mains transformer. As mentioned, however, the power supply preferably takes place via a battery.
  • the DOM is suitably waterproof and made of a material that is resistant to the common household cleaners with citric acid.
  • the control of the deodorizing device can be designed so that it can be operated both with batteries as power source as well as by means of a power supply via the mains and that it behaves differently depending on the power source. If a mains connection is used as the power source, economical power consumption is less important and the controller can be operated continuously and the sensor can also work continuously. About the switching device then only the fan is switched. In a battery as a power source, however, a low power consumption is particularly important, so that then the controller and thus the odor sensor are switched by means of the switching device.
  • the control can e.g. be connected via a five-core cable to the power source, with different wires for power supply from a battery and a power supply are used.
  • the deodorizing module can be placed in the rear of the toilet bowl, for example below the drainpipe or trap, where there is generally enough space available. At a possibly existing cistern and at the connections of the cistern and the drain no changes are necessary.
  • the deodorizing module can also be installed in the cistern, e.g. be arranged in the lower region, wherein the intake pipe is passed via a separate connection or via a branch from the flushing pipe to the deodorizing module.
  • the DOM will be suspended as a compact unit at the lower end of the mounting bolt of the stationary hinge part of the seat board.
  • Many toilet bowls are waisted at this point, so that there is room for the DOM on one side of the toilet bowl, while on the opposite side in the corresponding room, the batteries for the power supply can be installed. These are also attached to the bottom projecting end of the outer sleeve.
  • This arrangement of the DOM is particularly useful in the above-mentioned integration of the switching device in the attachment of the stationary hinge part, in which this hinge part is fixed to an inner sleeve which slides in an outer sleeve and is supported by a spring element and its displacement Switching device operated.
  • the DOM can be suspended by means of a snap ring at the lower end of the outer sleeve.
  • the fan can also be used as a separate unit on the back of the toilet bowl, e.g. be arranged above or below the drain neck. This arrangement is particularly recommended if a particularly strong fan is to be used, which requires more space, or if two fans are used. The strong fan can then be placed on the back of the toilet bowl and the weaker fan in the DOM.
  • the Fig. 1 to 6 show an embodiment of the invention.
  • the toilet bowl 10 is provided as usual at the upper edge of the pool with a hidden annular channel 12.
  • the rinse water is supplied, which then flows out of openings 16 in the annular channel 12.
  • two constrictions 18 are provided, through which the flushing water flows in both arms of the annular channel 12.
  • a portion of the flushing water also flows directly into the WC basin 10 via a third opening 20 of the flushing water connection 14.
  • the cross section of the two constrictions 18 and the opening 20 is dimensioned such that essentially the entire pressure drop of the flushing water takes place on them, so that the water flowing in the annular channel 12 is practically depressurized.
  • the suction channels 22 rise slightly, so that when flushing incoming water drains back to the channel 12 and into the toilet bowl 10.
  • the suction channels 22nd run in horns 24.
  • openings 26 are provided on the upper side, to which a branching at one end of the intake pipe 28 is connected, the other end leading to a Deodorticiansmodul (DOM) 30.
  • DOM Deodormaschinesmodul
  • the top of the toilet bowl 10 has about the same width in the rear area, and in the top two openings 36 for fixing the stationary hinge part 38 of the seat board 40 are provided. Below the top, the toilet bowl 10 is laterally waisted in the rear area, and the openings 30 for seat board mounting are located above this waisted area. On one side of the waisted area is the DOM 30 and on the other side a battery housing 42 (FIG. Fig. 1 ).
  • Fig. 4 and 5 show the integration of the switching device in the means for fixing the stationary hinge part 38.
  • an outer and an inner sleeve 44, 46 is inserted, which have at their upper end in each case an outwardly directed, annular flange 48, 50.
  • the flange 48 of the outer sleeve 44 rests on top of the WC bowl 10, and between the two flanges 48, 50 is inserted a spring element 52 in the form of an O-ring of elastomeric material of approximately square cross-section.
  • the inner sleeve 46 can slide vertically in the outer sleeve 44, wherein the inner sleeve 46 is supported with its flange 50 on the spring element 52.
  • a support plate 54 is held by means of a snap ring, which is clamped by means of an adjusting screw 56 against the underside of the toilet bowl 10 so that they vertically is fixed.
  • the inner sleeve 46 protrudes slightly above the outer sleeve 44, and by means of a snap ring there is mounted a lever 58 which actuates the tactile button 60 of a microswitch which constitutes the switching device 62.
  • the microswitch is mounted in the support plate 54.
  • the mounting bolt 64 for the stationary part 38 of the seat rail hinge is guided by the inner sleeve 46 and tensioned against the lower end of the inner sleeve.
  • the support plate 54 is a part of the housing 66 of the DOM 30.
  • the individual components of the DOM 30 are shown in an exploded view.
  • the intake pipe 28 is attached, which merges into an area with approximately square cross-section, in which the VOC sensor 70 is located and the fan 72 is seated, which is held by means of a L favorerauslassstutzens 68.
  • a filter housing 74 is clamped, which contains an activated carbon filter 76.
  • the side of the housing 66, a flat cover 78 is attached, under which the circuit board 80 is located with the printed circuit of the controller.
  • the suction pipe 28 is connected by means of a flexible hose 82 with the suction channels 22.
  • the battery case is similarly attached to the other side of the toilet bowl 10, and by means of the in Fig. 3 From there, the power is routed to the DOM 30.
  • the DOM 30 may include a deodorizing device in the form of an ionizing device 86 or an activated carbon filter 76, or a combination of both.
  • a deodorizing device in the form of an ionizing device 86 or an activated carbon filter 76, or a combination of both.
  • the Sensor 70 can in each case be a VOC sensor or an H 2 sensor.
  • Fig. 7 shows a Deodorticiansmodul (DOM) 30 with an ionization device 86.
  • the DOM 30 is housed in a compact housing 66 through which a flow channel 88 extends, in the flow direction behind a sensor 70, a fan 72 and an ionization tube 87 are arranged.
  • the fan 72 may also be disposed at any other location within the flow channel 88. It sucks in air via an intake pipe 28, drives it through the flow channel 88 and blows it back into the environment via an outlet opening 90 after the treatment.
  • the ionization tube 87 is part of the ionization device 86 (FIG. Fig. 8 ), which still has a high voltage unit 92.
  • a control unit 94 processes the signals of the sensor 70 and controls the ionization device 86 in response to the sensor signals.
  • the power supply of all components via a power supply 96 in a power plug with an output voltage of 12 volts.
  • the order of sensor 70, fan 72 and ionization tube 87 is arbitrary.
  • the sensor 70, the control unit 94, the fan 72, the ionization tube 87 and the high voltage unit 92 are all mounted on the same side of a common board 80.
  • the board 80 is mounted at the top of the housing 66, with the mounting side facing downwards with the individual components.
  • the fan 72 fills out the entire cross section of the housing 66, and the ionization tube 87 extends to near the bottom of the housing 66 (FIG. Fig. 7 ).
  • the intake pipe 28 opens on the in Fig. 7 left upper edge in the housing 66, and the outlet opening 90 is located at the right lower edge.
  • the DOM 30 has at the bottom an emergency valve 98, over which any incoming water is drained.
  • the emergency valve 98 is designed as a mushroom valve and opens even at low water pressure.
  • the means for aspirating the air from the interior of the basin are designed so that no water can enter the DOM 30.
  • the sensor 70 is typically a semiconductor tin oxide sensor that detects oxidizable gas constituents in the air.
  • the electrical resistance of the sensor 70 varies depending on the concentration of oxidizable air constituents present in the air flowing past the exposed surfaces of the sensor 70.
  • the ionization tube 87 consists of a glass or ceramic cylinder with two electrodes on the inside and the outside.
  • the high voltage unit 92 generates an alternating electrical voltage of 1.5 kV and 10 kHz, and this alternating voltage is applied to the two electrodes, whereby air ions and active oxygen are generated according to the principle of silent or dielectrically impeded discharge.
  • the ionizer operates in pulsed mode, i. the high voltage unit 92 generates a high voltage in the form of a series of rectangular high voltage pulses. This ensures that the ionization device 86 is always operated at the optimum voltage, in which stable and reproducible predominantly air ions and only a small proportion of active oxygen atoms are generated.
  • the control unit 94 controls the DOM 30 in such a way that in the standby state, ie when the sensor 70 does not emit a signal indicative of the presence of oxidizable air constituents, the fan 72 is running at about half its rated power and the ionizer 86 is de-energized. Once the sensor 70 reports that oxidizable air constituents are present in the intake air, the fan 72 is switched to full power and the ionizer 86 is turned on, controlling the power of the ionizer 86 depending on the amount of oxidizable air constituents.
  • the controller 94 controls the power of the ionizer 86 by varying the pulse duration and / or the pulse intervals, with the maximum voltage of each pulse being substantially constant at about 1.5 kV.
  • the control of the ionization power takes place as a function of the resistance value of Sensor 70 with the aim of just generating the amount of air ions and oxygen atoms, which is necessary to oxidize and destroy the oxidizable air constituents.
  • the oxygen atoms lead to the formation of ozone. Excess oxygen atoms would be perceived as acrid ozone odor.
  • Fig. 9 shows another embodiment of a toilet equipment.
  • the toilet equipment further comprises a cistern 102 with a flushing pipe 104, which ends in a plurality of outlet openings at the edge of the toilet bowl 10.
  • the spill tube 104 may be in two parts and have a vertical downpipe and a horizontal connector 106.
  • An outflow connector 46 may be interposed therebetween.
  • the cistern 102 has the usual control valves, which are not shown in the figures.
  • the housing 66 of the DOM 30 may be a substantially rectangular body having a maximum side length of about 100 mm, with the intake manifold 28 being adapted to the different circumstances.
  • the air is drawn in via the flexible hose 82, which connects the openings 26 on the upper side of the horns 24 with the DOM 30.
  • Commercially available toilet bowls 10 have a suitable cavity for accommodating the DOM 30 in the rear area above or below the discharge nozzle 32.
  • the toilet bowl 10 is connected to the cistern 102 and the drainage pipe 108 by means of conventional connecting parts and sleeves.
  • the DOM 30 is arranged in the cistern 102 and the intake pipe 28 is guided through the flushing pipe 104.
  • the intake pipe exits laterally from the end of the flushing pipe 104 and is there connected by means of the flexible hose 82 with the openings 26 of the horns 24.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Toilet Supplies (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Claims (3)

  1. Installation de toilette munie d'une cuvette de WC (10), d'un mécanisme de chasse (102) et d'un dispositif de désodorisation (30) pour prévenir les odeurs désagréables, où un canal circulaire (12) passe au bord de la cuvette de WC (10), lequel est relié par le biais d'un raccord d'eau de chasse (14) à un tube de chasse (104) du mécanisme de chasse (102), et d'où l'eau de chasse s'écoule dans la cuvette de WC (10), où le dispositif de désodorisation (30) aspire l'air depuis l'intérieur de la cuvette de WC (10) par le biais d'une tubulure d'aspiration (28) et où un canal d'aspiration (22) au moins bifurque à partir du canal circulaire (12) et est relié à la tubulure d'aspiration (28) du dispositif de désodorisation (30), caractérisée en ce que le raccord d'eau de chasse (14) présente des rétrécissements (18) aux endroits, où le raccord d'eau de chasse (14) aboutit dans le canal circulaire (12) et que l'au moins un canal d'aspiration (22) bifurque à partir du canal circulaire (12) dans le sens d'écoulement de l'eau de chasse après les rétrécissements (18).
  2. Installation de toilette selon la revendication 1, où entre le raccord d'eau de chasse (14) et le canal circulaire (12) deux rétrécissements (18) sont prévus, juste après lesquels dans chaque cas des canaux d'aspiration (22) partent du canal circulaire (12) vers l'arrière et se terminent par des cornes (24), où les canaux d'aspiration (22) sont légèrement inclinés vers le haut, si bien que l'eau qui pénètre lorsqu'on tire la chasse, s'écoule à nouveau vers le canal circulaire (12) et dans la cuvette de WC (10), où à l'arrière des cornes (24) des orifices (26) sont prévus à la partie supérieure et que la tubulure d'aspiration (28) se ramifie à l'une de ses extrémités et est reliée aux orifices de la partie arrière de l'extrémité des cornes (24) et l'autre extrémité de la tubulure d'aspiration (28) conduit jusqu'au dispositif de désodorisation (30).
  3. Cuvette de WC (10) pour une utilisation dans une installation de toilette selon l'une des revendications 1 ou 2, munie d'un canal circulaire (12) au bord de la cuvette de WC (10), d'un raccord d'eau de chasse (14) assurant la liaison avec un tube de chasse (104) d'un mécanisme de chasse (102) et d'au moins un canal d'aspiration (22), qui bifurque du canal circulaire (12), caractérisée en ce que le raccord d'eau de chasse (14) présente des rétrécissements (18) aux endroits où le raccord d'eau de chasse (14) aboutit dans le canal circulaire (12) et que l'au moins un canal d'aspiration (22) bifurque à partir du canal circulaire (12) dans le sens d'écoulement de l'eau de chasse après les rétrécissements (18).
EP05101904A 2004-07-30 2005-03-11 Toilette avec évacuation des odeurs Not-in-force EP1621690B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202004012065U DE202004012065U1 (de) 2004-07-30 2004-07-30 Toilettenausstattung mit einem WC-Becken

Publications (3)

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EP1621690A2 EP1621690A2 (fr) 2006-02-01
EP1621690A3 EP1621690A3 (fr) 2008-07-02
EP1621690B1 true EP1621690B1 (fr) 2011-11-02

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EP05101904A Not-in-force EP1621690B1 (fr) 2004-07-30 2005-03-11 Toilette avec évacuation des odeurs

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EP (1) EP1621690B1 (fr)
AT (1) ATE531860T1 (fr)
DE (1) DE202004012065U1 (fr)
ES (1) ES2374539T3 (fr)

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DE102007010788B4 (de) * 2007-03-02 2009-03-12 Pagette Gmbh Verfahren zum Detektieren einer WC-Benutzung und WC-Sitz-Anordnung
DE202012000992U1 (de) 2012-02-01 2012-02-29 Siegfried Krostewitz Vorrichtung zur Beseitigung von Geruchsemissionen an einem WC-Becken
JP6740565B2 (ja) * 2015-03-18 2020-08-19 Toto株式会社 水洗大便器
EP3362610B1 (fr) * 2015-10-15 2020-03-04 Presano AG Corps de w.c. à capteur intégré pour une détection d'utilisateur
CN105714904A (zh) * 2016-03-25 2016-06-29 衡阳市金泉置业发展有限公司 具有防臭功能的蹲便器
DE102021114175A1 (de) 2020-08-28 2022-03-03 Hamberger Industriewerke Gmbh Technikbox und WC-Sitzgarnitur
DE102021100114A1 (de) 2021-01-06 2022-07-07 Giuseppe Leo Toilettenvorrichtung
DE102022109585A1 (de) 2022-04-20 2023-10-26 Giuseppe Leo Toilette

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DE10033930A1 (de) 2000-03-20 2001-10-04 Gerhard Libal Klosettanlage und Verfahren zum Betreiben einer Klosettanlage
EP1149955A1 (fr) * 2000-04-28 2001-10-31 Andrea Previato Dispositif de ventilation pour un WC
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EP1445387B2 (fr) * 2003-02-03 2009-10-28 Villeroy & Boch Ag Dispositif et procédé de désodorisation pour toilettes

Also Published As

Publication number Publication date
EP1621690A3 (fr) 2008-07-02
EP1621690A2 (fr) 2006-02-01
DE202004012065U1 (de) 2005-12-15
ES2374539T3 (es) 2012-02-17
ATE531860T1 (de) 2011-11-15

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