WO1997028984A1 - Motor vehicle seat cooling device - Google Patents

Motor vehicle seat cooling device Download PDF

Info

Publication number
WO1997028984A1
WO1997028984A1 PCT/EP1997/000553 EP9700553W WO9728984A1 WO 1997028984 A1 WO1997028984 A1 WO 1997028984A1 EP 9700553 W EP9700553 W EP 9700553W WO 9728984 A1 WO9728984 A1 WO 9728984A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
temperature
motor vehicle
arrangement according
vehicle
Prior art date
Application number
PCT/EP1997/000553
Other languages
German (de)
French (fr)
Inventor
Melitta Schlatterer
Reinhard Stumpe
Anton Grabmaier
Original Assignee
Itt Manufacturing Enterprises, Inc.
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 Itt Manufacturing Enterprises, Inc. filed Critical Itt Manufacturing Enterprises, Inc.
Publication of WO1997028984A1 publication Critical patent/WO1997028984A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • B60N2/5628—Heating or ventilating devices characterised by convection by air coming from the vehicle ventilation system, e.g. air-conditioning system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5678—Heating or ventilating devices characterised by electrical systems

Definitions

  • the temperature deviation of a motor vehicle seat is perceived by the passenger of a motor vehicle as very unpleasant. Since the motor vehicle seats of vehicles parked outdoors can reach very low temperatures in winter, some motor vehicles are provided with seat heaters which bring the motor vehicle seat to a comfortable body temperature in a short time. Furthermore, it is known to equip vehicles with air conditioning systems which, if desired, bring the passenger compartment to a comfortable temperature. However, since the circulating air does not reach the seat in this case, the body temperature of the passenger must deviate from the temperature of the seat be balanced. As mentioned, the well-known seat heating provides a remedy for hypothermic seats.
  • the object of the invention is to remedy this by means of targeted measures.
  • the invention is therefore based on an arrangement of the genus resulting from the preamble of claim 1 and achieves the stated object by the combination of features resulting from the characterizing part of claim 1.
  • the invention therefore consists in providing the motor vehicle seat with means which, if necessary, are able to cool it quickly.
  • a particularly expedient device for cooling the vehicle seat results from the features according to claim 5.
  • This device can additionally be used at the same time to heat the seat if necessary.
  • This also applies to the line system described above, which of course can also be used to heat the seat when the outside temperature is cool.
  • the features according to claim 6 are recommended in a further development of the invention. Thereafter, the cooling of the seat is switched off when the skin temperature of the passenger has reached a desired value.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The object of the invention is to increase the level of comfort in a motor vehicle by providing a cooling device for vehicle seats heated by solar radiation. Advantageous developments of the invention concern the combination of a cooling device of this type with an air-conditioning system and technical details of the cooling device configuration.

Description

Kühleinrichtung für Kraftfahrzeugsitze Cooling device for motor vehicle seats
Durch den intensiven Kontakt und die gute Wärmeleitfähigkeit wird von dem Fahrgast eines Kraftfahrzeuges die Temperatur¬ abweichung eines Kraftfahrzeugsitzes als sehr unangenehm empfunden. Da die Kraftfahrzeugsitze von im Freien geparkten Fahrzeugen im Winter sehr niedrige Temperaturen erreichen können, sind einige Kraftfahrzeuge mit Sitzheizungen verse¬ hen, welche in kurzer Zeit den Kraftfahrzeugsitz auf eine angenehme Körpertemperatur bringen. Weiterhin ist es be¬ kannt, Fahrzeuge mit Klimaanlagen auszurüsten, welche den Fahrgastraum auf Wunsch auf eine angenehme Temperatur brin¬ gen. Da in diesem Falle die zirkulierende Luft aber den Sitz nicht erreicht, muß die Abweichung der Temperatur des Sitzes durch den Körper des Fahrgastes ausgeglichen werden. Wie er¬ wähnt, schafft bei unterkühlten Sitzen die bekannte Sitzhei¬ zung hier Abhilfe.Due to the intensive contact and the good thermal conductivity, the temperature deviation of a motor vehicle seat is perceived by the passenger of a motor vehicle as very unpleasant. Since the motor vehicle seats of vehicles parked outdoors can reach very low temperatures in winter, some motor vehicles are provided with seat heaters which bring the motor vehicle seat to a comfortable body temperature in a short time. Furthermore, it is known to equip vehicles with air conditioning systems which, if desired, bring the passenger compartment to a comfortable temperature. However, since the circulating air does not reach the seat in this case, the body temperature of the passenger must deviate from the temperature of the seat be balanced. As mentioned, the well-known seat heating provides a remedy for hypothermic seats.
•Ein erhebliches Problem tritt auf, wenn der Fahrgast ein im prallen Sonnenschein länger geparktes Fahrzeug besteigt. Der ohnedies durch die heiße Außentemperatur aufgeheizte Körper des Fahrgastes tritt in Kontakt mit einer Sitzfläche, die über 50°C haben kann, die über den Körper des Fahrgastes ab¬ geführt werden müssen. Unabhängig von dem unangenehmen Sitz¬ gefühl werden durch Hitze, Transpiration und den Druck auf die Sitzfläche Falten in die Kleidung des Fahrgastes einge-• A significant problem arises when the passenger gets on a vehicle parked longer in the blazing sunshine. The body of the passenger, which is heated up anyway by the hot outside temperature, comes into contact with a seat which can have a temperature above 50 ° C. and which must be removed via the body of the passenger. Regardless of the uncomfortable feeling of sitting, heat, perspiration and the pressure on the seat surface cause wrinkles in the passenger's clothing.
BESΓÄΓIGUNGSKQPIE bügelt, die sich nur schwer beseitigen lassen. Eine Klimaan¬ lage schafft hier, da sie nur langsam anläuft und die Sitz¬ fläche überhaupt nicht erreicht, keine Abhilfe.ACKNOWLEDGMENT irons that are difficult to remove. An air conditioning system does not remedy this, since it only starts up slowly and does not reach the seat surface at all.
Aufgabe der Erfindung ist es, durch gezielte Maßnahmen hier Abhilfe zu schaffen.The object of the invention is to remedy this by means of targeted measures.
Die Erfindung geht daher aus von einer Anordnung der sich aus dem Oberbegriff des Anspruchs 1 ergebenden Gattung und löst die gestellte Aufgabe durch die sich aus dem kennzeich¬ nenden Teil des Anspruchs 1 ergebende Merkmalskombination. Die Erfindung besteht im Prinzip also darin, den Kraftfahr¬ zeugsitz mit Mitteln zu versehen, welche im Bedarfsfall diesen schnell zu kühlen in der Lage sind.The invention is therefore based on an arrangement of the genus resulting from the preamble of claim 1 and achieves the stated object by the combination of features resulting from the characterizing part of claim 1. In principle, the invention therefore consists in providing the motor vehicle seat with means which, if necessary, are able to cool it quickly.
Diese Mittel können beispielsweise mit der Klimaanlage eines Kraftfahrzeugs gekoppelt sein oder an einen separaten Klima¬ kompressor angeschlossen sein, der von dem Betrieb des Mo¬ tors unabhängig arbeitet. Hierdurch ist es möglich, die Sitzkühlung auch schon dann einzuschalten, wenn das Fahrzeug noch geparkt ist und der Motor noch nicht läuft. Für diese Betriebsweise eignet sich insbesondere eine Anordnung mit den in Anspruch 2 aufgeführten Merkmalen. Das Prinzip be¬ steht in diesem Falle darin, den Sitz selbsttätig dann zu kühlen, wenn seine Temperatur eine vorgegebenen Wert über¬ schreitet. Dies kann beispielsweise schon dann geschehen, wenn das Fahrzeug im Sonnenschein geparkt ist. Durch beson¬ dere Maßnahmen wie beispielsweise Abdecken durch eine Abdek- kung mit geringer Wärmeübergangszahl, läßt sich der Lei¬ stungsbedarf für eine derartige Sitzkühlung beträchtlich herabsetzen. Um eine von dem Betrieb des Kfz.-Motors unabhängige Energie¬ quelle zu nutzen, empfiehlt sich in Weiterbildung der Erfin¬ dung die Anwendung der Merkmalskombination nach Anspruch 3.These means can, for example, be coupled to the air conditioning system of a motor vehicle or connected to a separate air conditioning compressor that works independently of the operation of the engine. This makes it possible to switch on the seat cooling even when the vehicle is still parked and the engine is not yet running. An arrangement with the features listed in claim 2 is particularly suitable for this mode of operation. The principle in this case is to cool the seat automatically when its temperature exceeds a predetermined value. This can happen, for example, when the vehicle is parked in the sunshine. By special measures such as covering by a cover with a low heat transfer coefficient, the power requirement for such seat cooling can be considerably reduced. In order to use an energy source that is independent of the operation of the motor vehicle, the use of the combination of features according to claim 3 is recommended in a further development of the invention.
Um die den Sitz aufladende Wärme schnell abführen zu können, empfiehlt sich in Weiterbildung der Erfindung die Anwendung der Merkmale nach Anspruch 4. Da die Wärme über die Ober¬ fläche des Sitzes aufgenommen wird, sollten dabei die Lei¬ tungen möglichst nahe der Sitzoberfläche verlegt sein, um eine Wärmeaufladung des Sitzes zu verhindern.In order to be able to dissipate the heat charging the seat quickly, it is recommended in a further development of the invention to use the features according to claim 4. Since the heat is absorbed over the surface of the seat, the lines should be laid as close as possible to the seat surface to prevent the seat from heating up.
Eine besonders zweckmäßige Einrichtung zum Kühlen des Fahr¬ zeugsitzes ergibt sich durch die Merkmale nach Anspruch 5. Diese Einrichtung kann zusätzlich gleichzeitig dafür ausge¬ nutzt werden, den Sitz im Bedarfsfalle auch zu heizen. Dies gilt im übrigen auch für das weiter oben geschilderte Lei¬ tungssystem, welches selbstverständlich ebenfalls auch zum Aufheizen des Sitzes bei kühler Außentemperatur ausgenutzt werden kann. Um Energie zu sparen, empfehlen sich in Weiter¬ bildung der Erfindung die Merkmale nach Anspruch 6. Danach wird die Kühlung des Sitzes abgeschaltet, wenn die Hauttem¬ peratur des Fahrgastes einen erwünschten Wert erreicht hat. A particularly expedient device for cooling the vehicle seat results from the features according to claim 5. This device can additionally be used at the same time to heat the seat if necessary. This also applies to the line system described above, which of course can also be used to heat the seat when the outside temperature is cool. In order to save energy, the features according to claim 6 are recommended in a further development of the invention. Thereafter, the cooling of the seat is switched off when the skin temperature of the passenger has reached a desired value.

Claims

Patentansprüche claims
1. Anordnung zur Änderung der Temperatur eines Fahrzeugsit¬ zes von einem Kraftfahrzeug, dadurch gekennzeichnet, daß die Anordnung mit innerhalb des Sitzes angeordneten Mit¬ teln versehen ist, die den Sitz im Bedarfsfalle kühlen.1. Arrangement for changing the temperature of a vehicle seat of a motor vehicle, characterized in that the arrangement is provided with means arranged inside the seat, which cool the seat when necessary.
2. Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß ein Detektor vorgesehen ist, welcher die Temperatur, vorzugsweise im Bereich an der Sitzoberfläche fest¬ stellt, daß eine Steuereinrichtung vorgesehen ist, wel¬ che eine den Sitz kühlende Einrichtung einschaltet, so¬ bald die Temperatur des Sitzes einen vorgegebenen Wert überschreitet und daß eine unabhängig vom Betrieb des Antriebsmotors des Kraftfahrzeuges Energie abgebende Energiequelle zur Energieversorgung der Einrichtung vor¬ gesehen ist.2. Arrangement according to claim 1, characterized in that a detector is provided which detects the temperature, preferably in the area of the seat surface, that a control device is provided which switches on the device cooling the seat as soon as possible Temperature of the seat exceeds a predetermined value and that an energy source which provides energy independently of the operation of the drive motor of the motor vehicle is provided for supplying energy to the device.
3. Anordnung nach Anspruch 2, dadurch gekennzeichnet, daß die Energiequelle eine stromabgebende Quelle, vorzugs¬ weise eine Batterie ist.3. Arrangement according to claim 2, characterized in that the energy source is a current-emitting source, preferably a battery.
4. Anordnung nach einem der Ansprüche 1 bis 3, dadurch ge¬ kennzeichnet, daß der Fahrzeugsitz mit einem Leitungs¬ system versehen ist, durch welches eine in ihre Tempera¬ tur von der Sitztemperatur abweichende Flüssigkeit leit¬ bar ist.4. Arrangement according to one of claims 1 to 3, characterized ge indicates that the vehicle seat is provided with a line system, through which a liquid deviating from the seat temperature in its temperature is conductive.
5. Anordnung nach einem der vorangegangenen Ansprüche, da¬ durch gekennzeichnet, daß die den Sitz kühlende Einrich¬ tung mittels des Peltier-Effektes arbeitet, welche den Sitz wahlweise kühlt oder heizt.5. Arrangement according to one of the preceding claims, da¬ characterized in that the seat cooling device works by means of the Peltier effect, which either cools or heats the seat.
6. Anordnung nach einem der vorangegangenen Ansprüche, da¬ durch gekennzeichnet, daß die Steuerung die Sitzkühlung bzw. Sitzheizung abschaltet, sobald die Klimaanlage des Kraftfahrzeuges die Innentemperatur im Fahrzeug auf ei¬ nen vorgegebenen Wert gebracht hat. 6. Arrangement according to one of the preceding claims, da¬ characterized in that the control of the seat cooling or switches off the seat heating as soon as the air conditioning system of the motor vehicle has brought the internal temperature in the vehicle to a predetermined value.
PCT/EP1997/000553 1996-02-08 1997-02-07 Motor vehicle seat cooling device WO1997028984A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19604477.4 1996-02-08
DE1996104477 DE19604477A1 (en) 1996-02-08 1996-02-08 Cooling device for motor vehicle seats

Publications (1)

Publication Number Publication Date
WO1997028984A1 true WO1997028984A1 (en) 1997-08-14

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ID=7784784

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1997/000553 WO1997028984A1 (en) 1996-02-08 1997-02-07 Motor vehicle seat cooling device

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DE (1) DE19604477A1 (en)
WO (1) WO1997028984A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19937464A1 (en) 1999-08-07 2001-02-08 Volkswagen Ag Upholstered seat for vehicles, in particular motor vehicles
DE10002286B4 (en) * 2000-01-20 2009-06-18 Volkswagen Ag Device for controlling a device for air conditioning a vehicle seat
DE10316732B4 (en) * 2003-04-08 2013-10-02 Volkswagen Ag Method and device for controlling air conditioning / ventilation seats depending on the seat and vehicle interior temperature

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0206151A2 (en) * 1985-06-24 1986-12-30 Adriano Antolini System for air conditioning at least one seat on a vehicle
EP0360931A1 (en) * 1987-04-23 1990-04-04 Steve Feher Blanket
US4923248A (en) * 1988-11-17 1990-05-08 Steve Feher Cooling and heating seat pad construction
JPH04158807A (en) * 1990-10-24 1992-06-01 Nippondenso Co Ltd Fatigue recovering seat for vehicle
US5354117A (en) * 1993-06-14 1994-10-11 Danielson Terri M Vehicular seat construction
US5524439A (en) * 1993-11-22 1996-06-11 Amerigon, Inc. Variable temperature seat climate control system
DE19503291A1 (en) * 1995-02-02 1996-08-08 Fichtel & Sachs Ag Temperature control for motor vehicle seat

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US3127931A (en) * 1959-05-04 1964-04-07 Gen Motors Corp Heating and cooling employing aerated car seats
DE2220009A1 (en) * 1972-04-24 1973-11-08 Albert Baumgartner DEVICE FOR HEATING SEAT PADS OR THE LIKE
FR2492326A1 (en) * 1980-10-21 1982-04-23 Delery Marc Seat heating system for air-cooled IC engine vehicle - uses cooling air to heat finned heat exchanger having electrically driven fan blowing fresh air through fins
JPS6042115A (en) * 1983-08-17 1985-03-06 Takagi Kagaku Kenkyusho:Kk Air conditioner of vehicle seat
SE458492B (en) * 1987-02-09 1989-04-03 Toecksfors Verkstads Ab PROCEDURE FOR REGULATING THE FLOW FLOW FOR HEAT MISSION AND DEVICE FOR IMPLEMENTATION OF THE PROCEDURE
DE8911586U1 (en) * 1989-09-28 1989-11-16 Chang-Hwang, Guo, Taipeh/T'ai-pei Seat with air conditioning
IT1270389B (en) * 1992-08-04 1997-05-05 Deso Baghini AIR CONDITIONING SYSTEM FOR CAR ARMCHAIRS
DE4308119C2 (en) * 1993-03-15 1996-07-11 Karl Prof Dr Frey Method and device for influencing the climate for occupants of a motor vehicle
DE9319026U1 (en) * 1993-12-11 1994-03-10 Fabritz, Gerhard, 47800 Krefeld Thermocouple
DE29503841U1 (en) * 1995-03-07 1995-04-27 Yeh, Ching-Hsiu, Ta-Li, Taichung Cushions with flat heat sinks
DE29505270U1 (en) * 1995-03-28 1995-05-18 Tual, Véronique, 80339 München Mat with integrated, adjustable temperature control system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0206151A2 (en) * 1985-06-24 1986-12-30 Adriano Antolini System for air conditioning at least one seat on a vehicle
EP0360931A1 (en) * 1987-04-23 1990-04-04 Steve Feher Blanket
US4923248A (en) * 1988-11-17 1990-05-08 Steve Feher Cooling and heating seat pad construction
JPH04158807A (en) * 1990-10-24 1992-06-01 Nippondenso Co Ltd Fatigue recovering seat for vehicle
US5354117A (en) * 1993-06-14 1994-10-11 Danielson Terri M Vehicular seat construction
US5524439A (en) * 1993-11-22 1996-06-11 Amerigon, Inc. Variable temperature seat climate control system
DE19503291A1 (en) * 1995-02-02 1996-08-08 Fichtel & Sachs Ag Temperature control for motor vehicle seat

Non-Patent Citations (1)

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Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 449 (C - 0986) 18 September 1992 (1992-09-18) *

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