EP0731624B1 - Dispositif de chauffage pour lits à eau - Google Patents

Dispositif de chauffage pour lits à eau Download PDF

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Publication number
EP0731624B1
EP0731624B1 EP96103374A EP96103374A EP0731624B1 EP 0731624 B1 EP0731624 B1 EP 0731624B1 EP 96103374 A EP96103374 A EP 96103374A EP 96103374 A EP96103374 A EP 96103374A EP 0731624 B1 EP0731624 B1 EP 0731624B1
Authority
EP
European Patent Office
Prior art keywords
metal plate
heating device
conductors
ceramic plates
ceramic
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.)
Expired - Lifetime
Application number
EP96103374A
Other languages
German (de)
English (en)
Other versions
EP0731624A3 (fr
EP0731624A2 (fr
Inventor
Willem Siebelink
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.)
VONTANA VERTRIEB GMBH & CO. KG
Vontana Industrie GmbH and Co KG
Original Assignee
Vontana Wasserbetten GmbH
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 Vontana Wasserbetten GmbH filed Critical Vontana Wasserbetten GmbH
Publication of EP0731624A2 publication Critical patent/EP0731624A2/fr
Publication of EP0731624A3 publication Critical patent/EP0731624A3/fr
Application granted granted Critical
Publication of EP0731624B1 publication Critical patent/EP0731624B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/081—Fluid mattresses or cushions of pneumatic type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04—Devices for ventilating, cooling or heating
    • A47C21/048—Devices for ventilating, cooling or heating for heating
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/085—Fluid mattresses or cushions of liquid type, e.g. filled with water or gel
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • H05B3/30—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material on or between metallic plates

Definitions

  • the invention relates to a heating device electrical resistance conductors for water beds, the between a bed frame and a safety film can be arranged and depending on the desired Temperature of one lying on the security film Water core is adjustable.
  • a heating device with electrical resistance conductors is known from document DE-A-4 102 880.
  • the Invention the object of a heating device to create for waterbeds of the type mentioned at the beginning, which is energy-saving under exclusion hotspots, heat build-up and plasticizer migration a significantly improved heat transfer with increased Security distinguishes.
  • the electrical conductors from one are advantageous pasty mixture of particles of precious metals, such as Gold, silver or ruthenium, as well as from ceramic Constituents, such as glass and aluminum oxides, which at about 900 ° C into the ceramic plates hybrid conductor loop is burned in.
  • the adhesive has poor electrical conductivity, however has a high adhesive strength and flexibility and consists of a special silicone mixture.
  • the number of required ceramic plates depends on their Size as well as the size of the to be heated Metal plate.
  • the symmetrical arrangement is therefor understand that each ceramic plate has its own Has heating area that flows so smoothly in the Heating area of an adjacent ceramic plate passes that in the stationary state of the heated Metal plate temperature differences on the top of the Metal plate are barely perceptible; or otherwise expressed, on top of the metal plate is just a very low ripple in heat transfer ascertain.
  • the PCB circuit board is located between the symmetrically arranged ceramic plates, so that a voltage tap on the shortest path between the branded electrical conductors of the ceramic plates and the printed conductors.
  • the current conductors of the circuit board are advantageous over one at one end at the bottom of the rigid Flexible cable attached to metal plate as well via a manually operated control device a standard mains plug with a standard one Power source connected. This leaves the previous one Ease of use received, and the flexible Line cable receives through its attachment to the Bottom of the rigid metal plate a solid Protection at its critical junction against the considerable and permanent, originating from the water core Pressure forces not only due to the water core static, but also dynamic when loaded can work.
  • both the heating device according to the invention as well as protecting the waterbed from damage is at the entrance of the cable into the electrical Printed circuit board provided a fuse that is too high Temperature, e.g. at over 70 ° C, at the bottom of the Metal plate or if the public voltage is too high Power supply the circuit between the cable and interrupts the current conductors of the circuit board.
  • NTC sensor Negative Temperature Coefficient Sensor
  • the rigid metal plate advantageously consists of an aluminum alloy with high thermal conductivity and the likewise rigid base plate made of a heat-resistant Plastic, such as ABS, polyurethane, polyamide or Polyethylene, e.g. Polytetrafluoroethylene.
  • a heat-resistant Plastic such as ABS, polyurethane, polyamide or Polyethylene, e.g. Polytetrafluoroethylene.
  • Heat transfer of the metal plate to the water core are both the rigid metal plate and the Base plate rounded at its corners and together form a very flat, plate-shaped Truncated cone without protruding areas. It is also possible the heater in a recess of the Arrange bed frame so that the surface of the Metal plate is aligned with the surrounding bed frame surface.
  • the new heating device 1 for a water bed 2 is between the bed frame 3 and one Security film 4 arranged and is dependent on the desired temperature of the on the security film 4 lying water core 5 by means of by hand actuating and outside of it Control device 6 adjustable.
  • the control device 6 is on the one hand via a flexible cable 7 with the Heating device 1 and on the other hand via a commercial power plug 8 with a standard Power source connectable in the form of a socket.
  • the water core 5 is covered by a sleeve 9 made of plastic enclosed and is covered by a cover 10 attacked.
  • Heating device 1 from a rigid metal plate 11 with high thermal conductivity, which with its underside 11a positively on a Base plate 12 poor thermal conductivity on the Bed frame 3 or in a recess provided therein is put on. From the surface 11b of the Metal plate 11 is the heat through the Security film 4 through and on through Transfer plastic sleeve 9 to the water core 5. By natural convection of the water core 5 in connection with induced water movement within the shell 9 Loading the water core 5, the water is heated.
  • Figures 4 to 6 are on the bottom 11a the metal plate 11 in a symmetrical arrangement overall six ceramic plates 13-18 in a symmetrical arrangement by means of an adhesive 19 (see FIG. 5) with high Thermal conductivity attached.
  • This adhesive 19 has poor electrical conductivity, but one high adhesive strength and flexibility and consists of one Silicone mixture.
  • Exactly between the two symmetrical Rows 13-15 and 16-18 of the ceramic plates 13-18 is on the bottom 11a of the metal plate 11 with a printed current conductors 21, 22 provided PCB circuit board 20 (Printed Circuit Board) glued on.
  • Each ceramic plate is branded with provided electrical conductors 23, which consist of a pasty Mixture of particles of precious metals, such as gold, silver or ruthenium, as well as from ceramic components, such as Glass and aluminum oxides are formed, which at about 900 ° C in the ceramic plates 13-18 to a hybrid Conductor loop is burned in.
  • the current conductors 21, 22 the circuit board 20 are at one end 24 at the Base 11a of the metal plate 11 attached flexible Line cable 7 via the control device 6 with a commercially available power plug 8 connected.
  • a fuse 25 is provided, which is too high Temperature, e.g.
  • the current conductors 21, 22 are the Printed circuit board 20 with a relay 28 in the form of a triac connected, which is also on the bottom 11a of the Metal plate 11 is attached and with the Control device 6 is connected.
  • NTC Negative Temperature Coefficient sensor
  • the rigid metal plate 11 is advantageously made of an aluminum alloy with high thermal conductivity and the likewise rigid base plate 12 from one heat-resistant plastic, such as ABS, polyurethane, polyamide or polyethylene with poor thermal conductivity.
  • one heat-resistant plastic such as ABS, polyurethane, polyamide or polyethylene with poor thermal conductivity.
  • Aluminum alloys are six to eight times higher Have a coefficient of thermal conductivity ⁇ than steels, they are special well suited for use as a heat transfer surface.
  • the base plate 12 has the function a rigid construction and one Thermal insulation too.
  • the base plate 12 advantageously at its the Underside 11a of the metal plate 11 facing surface 12a with a layer reflecting heat rays, e.g. a chrome or aluminum foil.
  • a layer reflecting heat rays e.g. a chrome or aluminum foil.
  • the base plate 12 on its surface side 12a at one end a recess 30 for performing the Line cable 7 and below each Ceramic plate 13-18 recesses 31 and the middle Recess 32 for the circuit board 20.
  • This Recesses 31, 32 are such that after positive fitting of the metal plate 11 on the Base plate 12 all heat-conducting metal and Ceramic parts 13-18; 20-23; 25-29 to surface 12a of the Base plate 12 has an air gap 33 (see FIG. 6) have at least 2 mm. Because air due to their poor thermal conductivity an excellent Thermal insulation is in this way with a simple measure a heat radiation of the Metal plate 11 with a facing away from the water core 5 and thus largely preventing
  • the heating device 1 With the heating device 1 according to the invention, it is possible to achieve a temperature between 29 ° C. and 40 ° C. on the top 11b of the metal plate 11, which temperature also corresponds approximately to the temperature on the bottom 11a of the metal plate 11.
  • the water core 5 can be heated to a skin temperature on the surface of the casing 9 from 27 ° C. to 36 ° C.
  • a temperature in the same range, namely between 27 ° C. and 36 ° C., is then also present on the underside of the base plate 12. Since the temperature on the underside of the base plate 12 is thus equal to the temperature on the surface of the casing 9, additional radiation losses due to an increased temperature difference, as in the case of the resistance wire heaters according to the prior art, are excluded.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Surface Heating Bodies (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Resistance Heating (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Control Of Resistance Heating (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Central Heating Systems (AREA)

Claims (12)

  1. Dispositif de chauffage (1) avec conducteurs résistants pour lits à eau (2), qui peut être placé entre un cadre de lit (3) et une feuille de sécurité et est réglable en fonction de la température voulue d'un corps central contenant de l'eau (5) se trouvant sur la feuille de sécurité (4), caractérisé en ce qu'il présente des plaques céramiques (13 - 18) pourvues de conducteurs électriques (23) formés par incrustation au four, lesquelles sont collées avec une colle (19) à haute conductibilité thermique à la face inférieure (lla) d'une plaque métallique (11) résistante à la flexion, qui est posée avec engagement positif, en dégageant un entrefer (33) pour les plaques céramiques (13 - 18), sur une plaque-socle (12) à médiocre conductibilité thermique et qui peut être posée sur le cadre de lit (3).
  2. Dispositif de chauffage selon la revendication 1, caractérisé en ce que les conducteurs électriques (23) sont constitués d'un mélange pâteux de particules de métaux nobles tels que l'or, l'argent ou le ruthénium, et de composants céramiques tels que du verre et des oxydes d'aluminium, qui est incrusté à 900 °C environ dans les plaques céramiques (13 - 18), pour former une boucle conductrice hybride.
  3. Dispositif de chauffage selon la revendication 1 ou 2, caractérisé en ce que la colle (19) présente une médiocre conductibilité électrique, une force de collage et une flexibilité élevées, et se compose d'un mélange de silicone.
  4. Dispositif de chauffage selon l'une des revendications 1 à 3, caractérisé en ce que plusieurs plaques céramiques (11) chauffant régulièrement la plaque métallique (11) résistante à la flexion sont collées symétriquement à la face inférieure (11a) de cette dernière, et en ce que les conducteurs électriques (23) de chacune des plaques céramiques (13 - 18) sont raccordés par un montage en parallèle, par l'intermédiaire de fils conducteurs électriques souples (26, 27) et isolés avec du silicone, à une carte imprimée PCB (20) agencée entre les plaques céramiques (13 - 18) et dotée de conducteurs imprimés (21, 22).
  5. Dispositif de chauffage selon l'une des revendications 1 à 4, caractérisé en ce que les conducteurs (21, 22) de la plaque conductrice (20) peuvent être reliés via une fiche de contact (8) courante dans le commerce à une source de tension domestique courante par l'intermédiaire d'un câble conducteur souple (7) fixé par une extrémité (24) à la face inférieure (11a) de la plaque métallique (11) résistante à la flexion et par un dispositif de réglage (6) à manoeuvrer à la main, via une fiche électrique (8) courante dans le commerce.
  6. Dispositif de chauffage selon l'une des revendications 1 à 5, caractérisé en ce qu'à l'entrée du câble conducteur (7) dans la plaque conductrice électrique (20), on a prévu un fusible de sécurité (25) qui coupe le circuit électrique (7, 21, 22, 23, 26, 27) entre le câble conducteur (7) et les conducteurs (21, 22) de la plaque conductrice (20) si la température de la face inférieure (11a) de la plaque métallique (11) est trop élevée ou si la tension est trop élevée.
  7. Dispositif de chauffage selon l'une des revendications 1 à 6, caractérisé en ce que les conducteurs (21, 22) de la plaque conductrice (20) sont raccordés à un relais adoptant la forme d'une Triacs (28) qui est également fixé à la face inférieure (11a) de la plaque métallique (11) et qui est en communication avec le dispositif de réglage (6).
  8. Dispositif de chauffage selon l'une des revendications 1 à 7, caractérisé en ce qu'un capteur NTC (29) qui est lui aussi relié au dispositif de réglage (6) est assemblé à la face inférieure (11a) de la plaque métallique (11) résistante à la flexion.
  9. Dispositif de chauffage selon l'une des revendications 1 à 8, caractérisé en ce que la plaque métallique (11) résistante à la flexion est fabriquée dans un alliage d'aluminium à haute conductibilité thermique, et la plaque-socle (12), elle aussi résistante à la flexion, dans une matière plastique tenant à la chaleur, comme de l'ABS, du polyuréthanne, du polyamide ou du polyéthylène, à mauvaise conductibilité thermique.
  10. Dispositif de chauffage selon l'une des revendications 1 à 9, caractérisé en ce que la plaque-socle (12) présente, à une extrémité, une découpure (30) pour le passage du câble conducteur électrique (7) et, en dessous de chaque plaque céramique (13 - 18) et en dessous de la plaque conductrice (20), des évidements (31, 32) destinés à ces éléments et présentant une profondeur telle qu'après la pose de la plaque métallique (11), par engagement positif, tous les éléments métalliques et céramiques (13 - 18; 21 - 23; 25 - 29) conducteurs de chaleur présentent un entrefer (33) d'au moins 2 mm par rapport à la plaque-socle (12).
  11. Dispositif de chauffage selon l'une des revendications 1 à 10, caractérisé en ce que la plaque-socle (12) est pourvue d'une couche réfléchissant les rayons de chaleur sur sa surface (12a) dirigée vers la face inférieure (11a) de la plaque métallique (11).
  12. Dispositif de chauffage selon l'une des revendications 1 à 11, caractérisé en ce qu'aussi bien la plaque métallique (11) résistante à la flexion que la plaque-socle (12) sont arrondies dans la zone de leurs angles et forment ensemble un tronc de cône en forme de plaque très plate sans parties saillantes.
EP96103374A 1995-03-09 1996-03-05 Dispositif de chauffage pour lits à eau Expired - Lifetime EP0731624B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19508315 1995-03-09
DE19508315A DE19508315C1 (de) 1995-03-09 1995-03-09 Heizungsvorrichtung für Wasserbetten

Publications (3)

Publication Number Publication Date
EP0731624A2 EP0731624A2 (fr) 1996-09-11
EP0731624A3 EP0731624A3 (fr) 1996-12-11
EP0731624B1 true EP0731624B1 (fr) 2000-01-19

Family

ID=7756094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96103374A Expired - Lifetime EP0731624B1 (fr) 1995-03-09 1996-03-05 Dispositif de chauffage pour lits à eau

Country Status (6)

Country Link
US (1) US5811760A (fr)
EP (1) EP0731624B1 (fr)
AT (1) ATE189095T1 (fr)
CA (1) CA2171410A1 (fr)
DE (1) DE19508315C1 (fr)
NL (1) NL1002575C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013003828U1 (de) 2013-04-23 2013-05-14 Sbi Polska Sp. Z O.O. Wasserbettenheizung mit Fernsteuerung

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19720880A1 (de) * 1997-05-17 1998-11-19 Ego Elektro Geraetebau Gmbh Elektrisches Heizelement
DE19809245C2 (de) * 1998-03-05 2000-05-25 Vontana Wasserbetten Gmbh Wasserbett für Groß- und Kleintiere
DE19851172A1 (de) * 1998-11-06 2000-05-11 Alcatel Sa Anordnung zur Erwärmung einer bestückten gedruckten Schaltung
US6124578A (en) * 1999-09-14 2000-09-26 Elliot; Russell R. Warmer for feet, neck, and lower back
DE10017816C2 (de) 2000-04-10 2002-11-14 Vontana Ind Gmbh & Co Kg Heizungsvorrichtung mit elektrischen Heizelementen für Wasserbetten
KR20030013227A (ko) * 2001-09-08 2003-02-14 문일호 물요의 히터 설치장치
DE102006026113B4 (de) * 2006-06-01 2014-10-30 Oliver Kiefl Vorrichtung zur individuellen Wärmenutzung von Warmwasserheizsystemen
DE202014003827U1 (de) * 2014-05-08 2015-08-12 I.G. Bauerhin Gmbh Heizeinrichtung mit einer dieser zugeordneten Temperaturerfassung zum Beheizen von Flächen im lnnenraum eines Fahrzeugs
DE102015002478A1 (de) 2015-02-26 2016-09-01 Vontana Industrie Gmbh & Co. Kg Heizvorrichtung für Wasserbetten
WO2021003121A1 (fr) * 2019-07-01 2021-01-07 Georgetown University Dispositif de chauffage rayonnant pliable portable pour nourrisson

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US3790753A (en) * 1971-12-01 1974-02-05 Safeway Products Inc Water bed heater
US3982098A (en) * 1974-12-23 1976-09-21 Trostler Richard M Heater and control system
US4220848A (en) * 1978-10-25 1980-09-02 Mcmullan James P Water bed heater
DE3224062A1 (de) * 1982-06-28 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Buegeleisen zum auftragen von wachsschichten auf skier
DE3238768A1 (de) * 1982-10-20 1984-04-26 Kurt Wolf & Co Kg, 7547 Wildbad Kochgefaess aus kochtopf und deckel, insbesondere dampfdruckkochtopf
JPS6244971A (ja) * 1985-08-23 1987-02-26 日本特殊陶業株式会社 セラミツク基板ヒ−タ−
DE3545442A1 (de) * 1985-12-20 1987-06-25 Bosch Siemens Hausgeraete Heizelement fuer thermische hausgeraete, insbesondere fuer kochstellen
DE3723345A1 (de) * 1987-07-15 1989-01-26 Ego Elektro Blanc & Fischer Elektrische heizvorrichtung fuer eine heizplatte
US4922084A (en) * 1989-08-28 1990-05-01 Gerhard Hutter Uni-directional heating apparatus
NL8902238A (nl) * 1989-09-06 1991-04-02 Interconnection B V Verwarmingselement en stelsel omvattende een dergelijk verwarmingselement.
US5081339A (en) * 1990-06-01 1992-01-14 Sunbeam Corporation Water bed heater
JP2804393B2 (ja) * 1991-07-31 1998-09-24 京セラ株式会社 セラミックヒータ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013003828U1 (de) 2013-04-23 2013-05-14 Sbi Polska Sp. Z O.O. Wasserbettenheizung mit Fernsteuerung
DE202013004462U1 (de) 2013-04-23 2013-06-04 Sbi Polska Sp. Z O.O. Wasserbettenheizung mit Fernsteuerung

Also Published As

Publication number Publication date
US5811760A (en) 1998-09-22
ATE189095T1 (de) 2000-02-15
NL1002575A1 (nl) 1996-09-11
EP0731624A3 (fr) 1996-12-11
EP0731624A2 (fr) 1996-09-11
DE19508315C1 (de) 1996-05-09
NL1002575C2 (nl) 1998-04-07
CA2171410A1 (fr) 1996-09-10

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