EP3272260A1 - Sitz für eine sanitäre vorrichtung und sanitäre vorrichtung - Google Patents

Sitz für eine sanitäre vorrichtung und sanitäre vorrichtung Download PDF

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Publication number
EP3272260A1
EP3272260A1 EP16180788.8A EP16180788A EP3272260A1 EP 3272260 A1 EP3272260 A1 EP 3272260A1 EP 16180788 A EP16180788 A EP 16180788A EP 3272260 A1 EP3272260 A1 EP 3272260A1
Authority
EP
European Patent Office
Prior art keywords
seat
sanitary device
capacitive element
seat body
signal processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16180788.8A
Other languages
English (en)
French (fr)
Other versions
EP3272260B1 (de
Inventor
Yan Zhengxue
Lu Chaobo
Chen Long
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Duravit AG
Original Assignee
Duravit AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Duravit AG filed Critical Duravit AG
Priority to EP16180788.8A priority Critical patent/EP3272260B1/de
Priority to CN201710494664.1A priority patent/CN107638120A/zh
Publication of EP3272260A1 publication Critical patent/EP3272260A1/de
Application granted granted Critical
Publication of EP3272260B1 publication Critical patent/EP3272260B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • E03D5/105—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 touchless, e.g. using sensors
    • 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
    • E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting

Definitions

  • the invention relates to a sanitary device seat, comprising a ring- or U-shaped seat body and at least one capacitive element adapted to provide a sensing signal processible to a seat occupancy information.
  • the invention bases on the consideration to place the capacitive element between the seat body specifying the basic form of the sanitary device seat, and the overlay, building an outer skin of at least parts of the sanitary device seat.
  • the seat body may be only as thick as necessary to match mechanical stability requirements, whereby a particularly flat capacitive element may be arranged at the seat body and coated by the overlay, as well.
  • this allows the sanitary device seat to be manufactured with a very small cross-sectional height.
  • the manufacturing process of the inventive sanitary device seat may be simplified significantly since dividing and reassembling the seat body, e.g. by welding, is avoided.
  • the capacitive element used for the inventive sanitary device seat should be chosen very thin, e.g. having a cross-sectional height which is at most a tenth, preferably at most a hundredth, of the cross-sectional height of the seat body.
  • the capacitive element may have a cross-sectional height between 10 ⁇ m and 1 mm. This allows the capacitive element to remain invisible from the exterior of the sanitary device seat when the seat body is coated with the respectively thin overlay.
  • the capacitive element may be arranged directly on the surface of the seat body.
  • the sanitary device seat may comprise a connector, arranged to connect the capacitive element from the exterior of the sanitary device seat.
  • the connector may be adapted to provide an external electric signal to the capacitive element and/or to provide the seat occupancy information or a signal processible to the seat occupancy information to the exterior of the sanitary device seat.
  • the ring-shaped sanitary device seat may be considered as O-shaped, as well, meaning that the seat fully surrounds an opening for a person to sit on, whereas the U-shaped seat does not surround the opening completely.
  • a typical inventive sanitary device may also comprise a lid, attached to the sanitary device seat and adapted to cover the opening of the sanitary device seat in a closed position and/or to allow a user to sit on the sanitary device seat in an opened position.
  • the capacitive element is or comprises a looped coil.
  • a looped coil may be made of a thin wire being wounded one or several times on a free end, forming a capacitor structure whose capacitance may change due to an approach of an object having a relative permittivity significantly higher than 1, e.g. the human body.
  • the other free end of the wire may be connected to the connector.
  • the capacitive element comprises or is a capacitive foil.
  • Such a capacitive foil is comparable to those used for touch screens etc.
  • the capacitive element may be or comprise a printed circuit, as well.
  • the printed circuit may comprise a wiring made of an electrically conductive material forming a capacitor structure.
  • the capacitive element may be realized by laser direct structuring. This way, the capacitor structure may be drawn on the seat body by a laser and electroplated afterwards.
  • a plurality of capacitive elements may be arranged at the seat body, particularly distributed over its surface.
  • the capacitive element may be glued on the seat body. This allows a very feasible arrangement and fixation of the capacitive element at the seat body. Alternatively or additionally the capacitive element is fixed by in-mold-decoration at the seat body. According to a very feasible embodiment of the inventive sanitary device seat, the capacitive element is fixed by the coating.
  • the seat body is made of one piece. As already mentioned, several steps required for the manufacture of conventional sanitary device seats may be saved, such as dividing and reassembling. Particularly, the seat body is free of joining seams.
  • the sanitary device seat may have a thickness of the most 10 mm, preferably at most 7 mm, more preferably at most 5 mm, with a minimal thickness of 3 mm. Thickness may be defined as the sanitary device seat's cross-sectional height.
  • the overlay is painted and/or glued and/or plated and/or laminated on the seat body.
  • Those surface processing methods have been found out as very useful for a further simplification of the manufacturing process of the inventive sanitary device seat.
  • the seat body may be made from a plastic material, particularly comprising polypropylene and/or acrylnitril-butadien-styrol and/or urea-formaldehyde resin, and/or a composite material and/or wood. Those materials are very suitable for the above-mentioned methods of fixing the capacitive element and/or realizing the overlay. However, the material of which to seat body is made is not limited to the aforementioned materials.
  • the invention relates to a sanitary device, comprising an inventive sanitary device seat.
  • a typical inventive sanitary device may also comprise a bowl, especially made of ceramics, to which the sanitary device seat is attached. Alternatively to the lid being attached to the sanitary device seat as mentioned above, the lid may be attached to the bowl.
  • the sanitary device may be adapted as a toilet and/or for washing parts of the human body (bidet).
  • the inventive sanitary device may furthermore comprise a connector adapted to fit to the connector of the sanitary device seat.
  • the inventive sanitary device may comprise a signal processing unit being adapted to determine the seat occupancy information depending on the sensing signal.
  • the signal processing unit may be connected to the capacitive element, particularly via the connector of the sanitary device seat and/or the other connector.
  • the signal processing unit may be adapted to supply a voltage and/or a current to the capacitive element.
  • the signal processing unit is adapted to apply an alternating, particularly rectangular or trapezoidal, current to the capacitive element.
  • a passive capacitive element e.g. the looped coil, the capacitive foil or a capacitive element realized by laser direct structuring
  • the temporary constant current will charge the capacitor realized by the capacitive element resulting in a nearly linear change of voltage dropping over the capacitive element.
  • the magnitude of this change depends on the capacitance which depends again on the permittivity being changed by the object, e.g. the human body.
  • a very reliable sensing signal is provided by the capacitive element.
  • the signal processing unit is adapted to measure a voltage dropping over the capacitive element as the sensing signal.
  • the signal processing unit may additionally be adapted to evaluate this voltage and to determine the occupancy information basing on the evaluation result.
  • the voltage is preferably the aforementioned voltage resulting from the applied current.
  • the signal processing unit or a respective signal processing unit may be arranged between the seat body and the overlay of the inventive sanitary device seat.
  • the capacitive element is or comprises the printed circuit and/or is integrated with the signal processing unit, preferably.
  • the signal processing unit may be disposed outside the sanitary device seat. This allows the sanitary device seat to be composed merely of the coated seat body, the capacitive element and its connector, rendering a very thin realization of the sanitary device seat possible.
  • the inventive sanitary device may comprise a control unit being adapted to control at least one functional component of the sanitary device depending on the occupancy information.
  • the functional component is or comprises a spraying unit adapted to spray a liquid towards a human body sitting on the sanitary device seat and/or a blowing unit adapted to blow air towards a human body sitting on the seat and/or a heating unit adapted to heat the sanitary device seat and/or a flushing unit and/or a movement device adapted to close a lid of the sanitary device and/or a deodorization unit.
  • the at least one functional component is not limited to the aforementioned devices.
  • a service device is arranged separately from the sanitary device seat and incorporating the control unit and/or the signal processing unit, which is disposed outside the sanitary device seat, in a housing.
  • Providing the service device allows the sanitary device seat to have a reduced thickness of its entire dimensions.
  • the connector fitting to the connector of the sanitary device seat may be attached to the service device.
  • a method for manufacturing a sanitary device seat comprising the steps: providing a seat body; arranging at least one capacitive element adapted to provide a sensing signal processible to a seat occupancy information at the seat body; and covering the seat body by an overlay coating it.
  • a looped coil and/or a capacitive foil and/or a printed circuit may be used as capacitive element and/or the capacitive element may be realized by laser direct structuring.
  • Arranging the capacitive element at the seat body may comprise gluing the capacitive element and/or fixing the capacitive element by in-mold-decoration at the seat body.
  • Covering the seat body may comprise fixing the capacitive element by the coating.
  • covering the seat body may comprise painting and/or gluing and/or plating and/or laminating the seat body.
  • a seat body made of one piece and/or having a thickness of at most 10 mm, preferably 7 mm, more preferably 5 mm, with a minimum thickness of 3 mm, may be used.
  • inventive sanitary device seat may apply analogously to the inventive sanitary device and the aforementioned method, so that advantages achieved by the inventive sanitary device seat may be achieved by the inventive sanitary device and the aforementioned method, as well.
  • Fig. 1 shows a perspective view on a sanitary device 1, comprising a ring-shaped sanitary device seat 2 (in the following simply referred to as seat 2) which is arranged on a bowl 3.
  • the seat may be U-shaped.
  • a lid 4 is attached pivotly to the seat 2 to cover it in a closed position and to allow a person to sit on the seat 2 in an opened position.
  • the bowl 3 is connected to a sewer system and has a cistern 5 with an operating element 6 to initiate flushing.
  • a capacitive element 7 is arranged adapted to provide a sensing signal processible by a signal processing unit 8 to a seat occupancy information.
  • the signal processing unit 8 and a control unit 9 are incorporated in a housing of a service device 10 being arranged separately from the seat 2.
  • a connector 11 of the service device 10 is connected to a further connector 12 (cf. Fig. 2 ) arranged at the seat 2, whereby the capacitive element 7 is connected to the signal processing unit 8 via both connectors 11, 12.
  • the sanitary device 1 comprises further functional components 13, which are not shown in detail for reasons of clarity.
  • the functional components 13 are controllable by the control unit 9 and comprise a spraying unit adapted to spray a liquid towards the human body sitting on the seat 2, a blowing unit adapted to blow warmed air towards the human body, a heating unit adapted to heat the seat 2, a flushing unit adapted to flush the bowl 3 by allowing water from the cistern 5 to flow into the bowl 3, a movement device adapted to close the lid 4 and a deodorization unit. Note, that this enumeration is not exhaustive.
  • Fig. 2 shows a top view on the seat 2, comprising the capacitive element 7 and the connector 12 being connected to the external signal processing unit 8.
  • the capacitive element 7 is a looped coil, made of a thin wire 14 which is wounded several times on a free end 15. The other free end 16 of the wire 14 is connected to the connector 12.
  • Fig. 3 shows a cross-section along a line III-III of the seat 2, having a thickness of 5 mm.
  • the seat 2 comprises a seat body 17 made of one piece and of a plastic material, e.g. polypropylene, acrylnitril-butadien-styrol, urea-formaldehyde resin, a composite material, wood or a combination thereof. Note, that this enumeration is not exhaustive.
  • the wire 14, particularly its winding visible in fig. 3 is placed on the surface of the seat body 17 within grooves and glued thereon.
  • the seat body 17 and the capacitive element 7 are covered by an overlay 18 coating the side of the seat body 17 on which the capacitive element 7 is arranged.
  • the overlay 18 is painted on the seat body 17.
  • Fig. 4 shows a block diagram of the sanitary device 1.
  • the wire 14 is connected to the signal processing unit 8 providing the seat occupancy information to the control unit 9 which controls the functional components 13.
  • the signal processing unit 8 is adapted to apply a rectangular current to the capacitive element 7, which charges and discharges it, and to measure a voltage U m dropping over the capacitive element 7.
  • Fig. 5 shows time curves of the voltage U m measured while a test process, in which a constant current is applied to the capacitive element 7 for 3 ⁇ s.
  • the voltage U m increases up to 4,4 V.
  • the signal processing unit 8 determines the occupancy information which is provided to the control unit 9.
  • the signal processing unit 8 compares the measured voltage U m with a threshold value U th which may be chosen to 4,0 V, whereby the seat 2 is assumed to be occupied if U m ⁇ U th .
  • a threshold value U th which may be chosen to 4,0 V, whereby the seat 2 is assumed to be occupied if U m ⁇ U th .
  • the specific voltage values refer to an exemplary configuration and may be different in other configurations of the capacitive element 7.
  • the threshold value is saved in a memory of the signal processing unit 8.
  • the threshold value may be derived from a user input into an input device of the sanitary device 1 describing a desired sensitivity of occupancy sensing.
  • the control unit 9 activates and deactivates the functional competence 13.
  • the control unit 9 activates the flushing unit, activates the movement device to close the lid 4 and activates the deodorization unit.
  • the control unit 9 will activate the heating unit, the spraying unit and the blowing unit.
  • the heating unit is deactivated when the seat 2 is detected to be unoccupied again.
  • other conditions may be considered by the control unit 9 when controlling the functional components 13.
  • Fig. 6 shows a cross-section of the further embodiment of the seat 2 which differs from fig. 3 in that, grooves in the seat body 17 are omitted and the overlay 18 surrounds the wire 14. Additionally, the overlay 18 coats the entire circumference of the seat body 17.
  • Fig. 7 shows a top view on a further embodiment of the seat 2 which differs from fig. 2 in that the capacitive element is a capacitive foil glued or laminated on the seat body 17.
  • Fig. 8 shows a top view on a further embodiment of the seat 2 which differs from fig. 2 in that the capacitive element 7 comprises an a printed circuit realizing the signal processing unit 8, as well.
  • the signal processing unit is not arranged within the service device 10, so that the occupancy information determined by the seat-side signal processing unit 8 is provided to the control unit 9 directly via the connector 12.
  • the capacitive element 7 is realized by laser direct structuring on the seat body 17 or fixed by in-mold decoration at the seat body 17.
  • the overlay 18 is glued and/or plated and/or laminated on the seat body 17. Therefore, the overlay 18 may be a foil.
  • the sanitary device 1 is a bidet, allowing a person sitting on the seat 2 to wash his body.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Toilet Supplies (AREA)
EP16180788.8A 2016-07-22 2016-07-22 Sitz für eine sanitäre vorrichtung und sanitäre vorrichtung Active EP3272260B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16180788.8A EP3272260B1 (de) 2016-07-22 2016-07-22 Sitz für eine sanitäre vorrichtung und sanitäre vorrichtung
CN201710494664.1A CN107638120A (zh) 2016-07-22 2017-06-26 卫生设备座椅和卫生设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16180788.8A EP3272260B1 (de) 2016-07-22 2016-07-22 Sitz für eine sanitäre vorrichtung und sanitäre vorrichtung

Publications (2)

Publication Number Publication Date
EP3272260A1 true EP3272260A1 (de) 2018-01-24
EP3272260B1 EP3272260B1 (de) 2024-08-21

Family

ID=56550089

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16180788.8A Active EP3272260B1 (de) 2016-07-22 2016-07-22 Sitz für eine sanitäre vorrichtung und sanitäre vorrichtung

Country Status (2)

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EP (1) EP3272260B1 (de)
CN (1) CN107638120A (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05293060A (ja) * 1992-04-23 1993-11-09 Matsushita Electric Works Ltd 暖房便座
JP3427618B2 (ja) * 1996-06-11 2003-07-22 オムロン株式会社 便座の制御装置
KR20100007389A (ko) * 2008-07-14 2010-01-22 웅진코웨이주식회사 변좌
US20140047629A1 (en) * 2007-04-30 2014-02-20 Kohler Co. Automated seat and/or lid assembly for a toilet
DE102015112819A1 (de) * 2014-08-04 2016-02-04 Hamberger Industriewerke Gmbh WC-Sitzgarnitur und Verfahren zur Herstellung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2972022B2 (ja) * 1992-04-15 1999-11-08 松下電工株式会社 着座センサ
CN1115961A (zh) * 1993-10-29 1996-01-31 东陶机器株式会社 双层成型马桶座及其制造方法
DE102004045489B4 (de) * 2004-09-20 2008-08-21 Hansa Metallwerke Ag Sanitärarmatur
CN101361640B (zh) * 2008-09-22 2010-06-02 童晔波 抽水马桶的盖子或坐圈及生产工艺
CN101721162A (zh) * 2008-10-30 2010-06-09 陈浚玮 具有触控控制功能的马桶座
CN201558047U (zh) * 2009-10-20 2010-08-25 飞虎(厦门)聚氨酯制品有限公司 复合式马桶盖
AT513211B1 (de) * 2012-07-27 2015-10-15 Kneidinger Ernst Klosettsitz
CN103993639A (zh) * 2013-02-19 2014-08-20 刘海风 化学液体自动喷洒装置
CN103969692A (zh) * 2014-05-21 2014-08-06 哈尔滨工程大学 一种基于电容传感的二维复合摆地倾斜低频隔振装置
CN105178409A (zh) * 2014-06-19 2015-12-23 象山一居乐电子有限公司 设于便器上的宠用自动冲水装置及人宠两用自动冲水装置
CN204174689U (zh) * 2014-09-30 2015-02-25 厦门市欧立通电子科技开发有限公司 电容式手扬马桶控制器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05293060A (ja) * 1992-04-23 1993-11-09 Matsushita Electric Works Ltd 暖房便座
JP3427618B2 (ja) * 1996-06-11 2003-07-22 オムロン株式会社 便座の制御装置
US20140047629A1 (en) * 2007-04-30 2014-02-20 Kohler Co. Automated seat and/or lid assembly for a toilet
KR20100007389A (ko) * 2008-07-14 2010-01-22 웅진코웨이주식회사 변좌
DE102015112819A1 (de) * 2014-08-04 2016-02-04 Hamberger Industriewerke Gmbh WC-Sitzgarnitur und Verfahren zur Herstellung

Also Published As

Publication number Publication date
EP3272260B1 (de) 2024-08-21
CN107638120A (zh) 2018-01-30

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