EP1536974A1 - Vehicle seat having a massage function and contour adjustment - Google Patents

Vehicle seat having a massage function and contour adjustment

Info

Publication number
EP1536974A1
EP1536974A1 EP03797276A EP03797276A EP1536974A1 EP 1536974 A1 EP1536974 A1 EP 1536974A1 EP 03797276 A EP03797276 A EP 03797276A EP 03797276 A EP03797276 A EP 03797276A EP 1536974 A1 EP1536974 A1 EP 1536974A1
Authority
EP
European Patent Office
Prior art keywords
seat
elements
vehicle seat
contour
vehicle
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.)
Withdrawn
Application number
EP03797276A
Other languages
German (de)
French (fr)
Inventor
Christoph Kern
Oswald Kriessler
Vasilios Orizaris
Bernd Schmidt
Jürgen Schrader
Werner Schwab
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.)
Daimler AG
Original Assignee
DaimlerChrysler 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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP1536974A1 publication Critical patent/EP1536974A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/467—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by fluid means
    • 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
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/914—Hydro-pneumatic adjustments of the shape
    • 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
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/976—Details or parts not otherwise provided for massaging systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0138—Support for the device incorporated in furniture
    • A61H2201/0149—Seat or chair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1623—Back
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1628—Pelvis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/06—Arms
    • A61H2205/062—Shoulders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/08—Trunk
    • A61H2205/081—Back
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/08—Trunk
    • A61H2205/086—Buttocks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/10—Leg

Definitions

  • the invention relates to a vehicle seat of a motor vehicle, in particular a passenger or truck, which is equipped with a device for carrying out massage functions.
  • Vehicle seats of motor vehicles have at least one seat cushion and one seat back, which are equipped with a predetermined seat contour by means of cushion elements and respective suspensions.
  • the construction of such vehicle seats conventionally consists of a respective spring base, which is covered with cushion pads and then with a corresponding seat cover. Through the upholstery and the fastening seams of the seat cover, an attempt is made to provide the driver of the motor vehicle with a seat contour that causes as little fatigue as possible even when sitting for long periods of time and is adapted as well as possible to the respective anatomy of the driver.
  • pneumatic elements in the seat of vehicle seats in particular vehicle seats of trucks, which can be pressurized via a control device such that various massage functions can be implemented via the pneumatic elements.
  • a periodically changing seat contour can be generated in a manner similar to the pearl seat massage pads of vehicle seats in such a way that signs of fatigue due to long-term sitting in the vehicle seat can be prevented.
  • the disadvantage here is that either the pneumatic elements produce only a slight effect, since they are regularly connected to each other pneumatically and therefore pressure-related and / or the massage effect is relatively weak, because with more or less large-scale pressure generation below the upholstery of vehicle seats and because of the usually tightly tensioned covers above this cushion cover effective transmission of pressures to the driver's body is avoided.
  • the object of the present invention is to provide a vehicle seat with a contour adjustment and a massage function which is structurally as simple as possible to implement and which permits variable adjustment of the seat that is as effective and variable as possible with regard to the desired seat contour.
  • This object is achieved by a vehicle seat with the features according to claim 1.
  • the vehicle seat according to the invention has a seat cushion and a seat back, each of which is provided with a plurality of pressurizable elements for influencing the seat contour, and a controller for targeted pressurization of the elements, wherein different massage effects can be achieved by means of the controller.
  • the vehicle seat according to the invention is characterized in that the elements which can be pressurized are small, cushion-like elements in relation to the surface of the seat contour, which elements can each be controlled separately via lines for the essentially point-like change of the seat contour. This can on the one hand Effective massage function can be realized by means of the elements that can be pressurized, since essentially point-like pressure generation enables targeted changes in the seat contour.
  • pressurizable elements are relatively small, cushion-like elements means that the required volume and thus the response time are low.
  • the massage function can be added to existing seats by taking up little additional space.
  • the only point-like pressure generation of individual or a combination of several pressurizable elements is surprisingly sufficient for a targeted change in the seat contour and effective, that is to say effective implementation of massage functions.
  • the selective pressure increase within the backrest and seat of the vehicle due to the seat contour consisting of lamination and / or upholstery as well as cover can be used to make a targeted and effective change in the seat contour.
  • a desired, static seat contour can be set by means of the elements that can be pressurized and the control of the vehicle seat.
  • a massage function can advantageously be realized in a simple and effective manner, for example by periodically changing or combined actuation of individual pressure elements or of pressurizable elements of an entire area, such as the vertebrae area, and the seat contour, which is specific adapted to a driver is then easily resumed.
  • the vehicle seat can thus be adapted specifically to different users of the vehicle, that is to say corresponding to the respective orthopedic and / or comfort-related conditions.
  • the seat contour can be called up again and again or is taken up again automatically after one or more massage actions have been carried out. This is advantageously done by pressurizing the individual elements, each of which has only a small volume and therefore has short response times.
  • the contour adjustment according to the invention with a combined massage function takes up little space and can be inserted in a simple manner between the individual elements of a vehicle seat, in particular the spring base, upholstery and the cover of the seat.
  • the elements that can be pressurized are arranged between an upholstery and a cover of the vehicle seat.
  • the effectiveness of the essentially punctiform pressure generation by the elements that can be pressurized can thus be increased further.
  • essentially point-shaped is understood to mean a region which is relatively small in relation to the total area of the seat or the backrest of the vehicle seat, in particular an region of the order of 5 to 10 cm 2 , which can be actuated separately by means of a single element which can be pressurized.
  • the number and arrangement of the respective elements is preferably essentially distributed over the entire surface of the seat contour, but can also be limited to individual specific areas.
  • the pressurizable elements are fixed on a flat support insert and are arranged below a liner covering the vehicle seat covered by the cover of the seat. This simplifies the assembly of the seat according to the invention, since the individual elements and their connecting lines are fixed on a support surface in such a way that slipping or shifting during manufacture of the vehicle seat is avoided.
  • the position of the respective printing elements is thus precisely defined, so that, in particular, targeted massages from individual areas in the area of the seat contour are possible.
  • the shape of the elements that can be pressurized is such that essentially punctiform pressure areas can be generated within the seat contour. This prevents the entire area of the seat cushion or the backrest from being moved equally, or at least a large part thereof, by actuating a single element.
  • the punctiform pressurization has the particular advantage that the variability in realizing a pre-setting of the seat contour is increased as well as the variety of massage functions that can be realized by the seat.
  • One form of the elements that can be pressurized which is essentially adapted to a punctiform generation of pressure areas, is, for example, an oval or circular shape with side seams, so that when the element is subjected to pressure, essentially only an expansion takes place in the direction transverse to the surface of the seat contour.
  • An alternative example of a shape of a pressure element, so that punctiform pressure generation is possible is the provision of bellows-like side areas which are connected by flat, opposite side walls. Again, essentially going towards that A pressure is generated on the surface of the seat surface and backrest surface without a relevant enlargement of the element towards the sides and thus a flat - not punctiform - pressure generation.
  • any other form of pressurizable element can alternatively be used as long as, according to this aspect of the invention, an essentially punctiform, that is to say targeted and effective, pressurization with regard to the massage effect and the setting of desired seat contours can be achieved.
  • the elements that can be pressurized can be actuated via respective separate lines, the lines being arranged and fixed in the surface of a carrier insert and bundled together in the direction of the control element.
  • This arrangement simplifies the assembly of the pressure elements and their lines during the manufacture of the vehicle seat, since a simple flat support insert has to be inserted and fixed in the layers of the seat.
  • the connecting lines of the control device or the pressure generating device are thereby as short as possible, and the corresponding response times when pressurized are correspondingly short.
  • the fixation in the surface of a carrier insert also has the advantage that the required space requirement is reduced to a minimum in its height expansion.
  • the pressurizable elements can be pressurized pneumatically or electropneumatically.
  • one or more of the pressurizable elements can be pressurized pneumatically or electropneumatically.
  • Pressurization with a fluid can be provided, but the use of air is advantageous with regard to leakage problems.
  • the control is adapted to carry out a plurality of preset and individually adjustable massage functions.
  • the massage functions are implemented by a combined, periodically changing and / or individual actuation of the respective pressure elements in the areas of the seat contour.
  • this makes it possible to implement known types of massage, such as a reflex zone massage with targeted massage of individual areas of the body.
  • a plurality of preselected settings of a seat contour can be stored by means of the control.
  • a specific adaptation of the seat contour that is essential for longer driving is stored in each case. Similar to preset seating positions (seat height, backrest incline, distance to the pedals, etc.), the respective seat contour can thus advantageously be specifically adapted and also saved in this adaptation. All the driver has to do is select the presetting that is optimized for his physique, and this is implemented by the control system using the pressurizable elements.
  • Figure 1 is a schematic oblique plan view of a first embodiment of a vehicle seat with pneumatic pressure elements according to the invention
  • FIG. 2 shows a schematic, sectional side view of a vehicle seat of the exemplary embodiment from FIG. 1 in the relaxed state of the pressure elements; 3 shows the vehicle seat according to FIG. 2 with two pneumatic elements in the pressure state;
  • FIG. 4 design variants with regard to the shape of the pneumatic elements according to the invention.
  • FIG. 1 A first embodiment of a vehicle seat according to the invention with a combined massage function and contour adjustment is shown schematically in an oblique view in FIG.
  • the vehicle seat 1 has a seat cushion 2 and a backrest 3, which are connected to one another in an articulated manner.
  • the vehicle seat 1 is provided below its cover 8 with a plurality of pressurizable elements or pneumatic elements 4, which can be actuated with air pressure via respective connecting lines 6 via a pressure generating device (not shown in the figure).
  • the pneumatic elements 4 preferably have a relatively small volume or surface area, so that essentially point-like pressure generation is possible.
  • the shape of the pneumatic elements 4 is essentially oval or in the embodiment shown here circular, so that small pressure pads or pressure cushions are formed in selected areas of the seat contour of the vehicle seat 1.
  • the entire seat contour can be provided with the pneumatic elements 4 shown.
  • the pneumatic elements 4 are mounted and fastened on a flat support insert 9, so that their respective position within the surface of the seat contour is precisely defined. This also makes assembly easier.
  • the pneumatic elements 4 - individually, in combination or in chronological succession - are actuated via a control 5 arranged in the region of the seat back 3
  • Connection lines 6 each pneumatic element 4 generated for themselves with the required air pressure.
  • the implementation of a massage function as well as the implementation of specific seat contours can thus be advantageously and effectively implemented with a relatively small volume, that is to say a relatively low pressure, in the medium or compressed air.
  • FIG. 2 schematically shows a sectional side view of the vehicle seat 1 according to the exemplary embodiment of the invention from FIG. 1.
  • the structure and structure of the vehicle seat can be seen from this:
  • the structure of the seat cushion 2 and the seat back 3 of the vehicle seat 1 in each case consists of a spring base 11, one Upholstery 7, a liner 10 and a cover 8 covering these elements.
  • the insert according to the invention of pneumatic elements for a massage function and a contour adjustment of the seat is arranged between the upholstery 7 and the liner 10 in this exemplary embodiment.
  • the relatively small, separate pneumatic elements 4 are arranged in the vicinity of the surface of the seat contour of the vehicle seat 1 in such a way that the respective areas or points of the seat surfaces and back surfaces can be adjusted with low pressure and low volume.
  • the controller 5 is preferably arranged in the area of the backrest 3, so that no additional space is required.
  • FIG. 3 the embodiment of a vehicle seat according to the invention according to Figure 2 is shown in a similar view, here two selected pneumatic elements 4 are shown in the pressure state.
  • the two pressurized pneumatic elements 4 each produce a local bulge at the predetermined point, essentially without changing the entire contour of the vehicle seat. This means that after the pressurization of the two elements 4 has ended, it is ensured that the original seat contour is reached again.
  • the situation shown in FIG. 3 can also be a preselected, specific seat contour certain driver, which has a raised area in the lumbar region and in the front seat area, for optimal orthopedic or other adaptation to the body of this driver.
  • FIG. 4 shows design variants with regard to the shape of the pneumatic or pressure elements 4 according to the invention. All of the shapes shown in FIG. 4 have in common that the shape is such that an essentially punctiform pressurization with the pneumatic elements is made possible. In addition, the elements 4 are relatively small in volume and also small in terms of their surface area in relation to the total area of the seat contour. Each pneumatic element 4 is provided with a respective line connection 6, via which the pressure is supplied and can be discharged again.
  • the form variants shown which are given by way of example for the possibility of realizing a point-like pressure generation, are as follows: oval, egg-shaped form, laterally constricted accordion form, two-chamber form, ellipse form with bulge-like bulge and ellipse form with a plurality of bulge-like forms.
  • oval, egg-shaped form, laterally constricted accordion form, two-chamber form, ellipse form with bulge-like bulge and ellipse form with a plurality of bulge-like forms are also considered, as long as they provide an essentially Lichen punctiform and little space required pressure generation is possible.
  • FIG. 5 shows two design variants of a design and arrangement of respective line connections 6 to the individual pneumatic pressure elements 4 (not shown).
  • the lines 6 of the first variant shown are cylindrical pipelines which are arranged and fastened on a carrier insert 9 and are bundled together in the direction of the control or pressure generating device (not shown).
  • the fixation on the carrier insert 9 has the advantage of easier assembly, and the fastening on the surface of the carrier insert 9 has the advantage that a small amount of space is required in height.
  • a plurality of channel-like lines 6 which are rectangular in cross section are provided on the carrier insert 9 and can be implemented, for example, by welding a plurality of layers of foils.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Massaging Devices (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

The invention relates to a vehicle seat for a motor vehicle in which the seat cushion (2) and the seat back (3) are each provided with a number of elements (4), which can be pressurized and which can be controlled by a controller (5) in order to obtain different massage effects. The elements (4) that can be pressurized are cushion-like elements, which are small compared to the surface of the seat contour and which can each be separately controlled via lines (6) in order to alter the seat contour in an essentially punctiform manner.

Description

Fahrze gsitz mit Massagefunk ion und Kontureinstellung Vehicle seat with massage function and contour adjustment
Die Erfindung betrifft einen Fahrzeugsitz eines Kraftfahrzeugs, insbesondere eines Personen- oder Lastkraftwagens, welcher mit einer Einrichtung zur Durchführung von Massagefunktionen ausgestattet ist. Fahrzeugsitze von Kraftfahrzeugen weisen mindestens ein Sitzkissen und eine Sitzlehne auf, welche durch Polsterelemente und jeweilige Federungen mit einer vorbestimmten Sitzkontur ausgestattet sind. Der Aufbau derartiger Fahrzeugsitze besteht herkömmlicherweise aus einer jeweiligen Unterfederung, die mit Polsterauflagen und anschließend mit einem entsprechenden Sitzbezug überzogen sind. Durch die Polsterung und die Befestigungsnähte des Sitzbezuges wird dabei versucht, für den Fahrer des Kraftfahrzeugs eine solche Sitzkontur bereitzustellen, die auch bei längerem Sitzen möglichst geringe Ermüdungserscheinungen hervorruft und möglichst gut an die jeweilige Anatomie des Fahrers angepasst ist. Hierzu ist es bekannt, Fahrzeugsitze mit einem oder einer Mehrzahl von pneumatischen Elementen zu versehen, welche über eine Steuerung und mittels eines Druckerzeugers eine Optimierung der Anpassung der Sitzkontur an einen jeweiligen Fahrer ermöglichen. Nachteilig bei diesen relativ großflächigen pneumatischen Elementen ist, dass die Beeinflussungsmöglichkeiten der Sitzkontur auch wegen der relativ dickwandigen jeweiligen Polsterauflagen der Rückenlehne und des Sitzkissens beschränkt sind.The invention relates to a vehicle seat of a motor vehicle, in particular a passenger or truck, which is equipped with a device for carrying out massage functions. Vehicle seats of motor vehicles have at least one seat cushion and one seat back, which are equipped with a predetermined seat contour by means of cushion elements and respective suspensions. The construction of such vehicle seats conventionally consists of a respective spring base, which is covered with cushion pads and then with a corresponding seat cover. Through the upholstery and the fastening seams of the seat cover, an attempt is made to provide the driver of the motor vehicle with a seat contour that causes as little fatigue as possible even when sitting for long periods of time and is adapted as well as possible to the respective anatomy of the driver. For this purpose, it is known to close vehicle seats with one or a plurality of pneumatic elements provided, which enable an optimization of the adaptation of the seat contour to a respective driver via a control and by means of a pressure generator. A disadvantage of these relatively large-area pneumatic elements is that the options for influencing the seat contour are limited because of the relatively thick-walled respective cushion pads of the backrest and the seat cushion.
Weiterhin ist es bekannt, bei Fahrzeugsitzen, insbesondere bei Fahrzeugsitzen von Lastkraftwagen, in dem Sitz pneumatische Elemente vorzusehen, die über eine Steuerungseinrichtung derart mit Druck beaufschlagbar sind, dass verschiedentliche Massagefunktionen über die pneumatischen Elemente realisierbar sind. Hierdurch kann ähnlich den aus Perlen bestehenden Massageauflagen von Fahrzeugsitzen eine periodisch wechselnde Sitzkontur derart erzeugt werden, dass gezielt Ermüdungserscheinungen aufgrund von langfristigem Sitzen in dem Fahrzeugsitz verhindert werden können. Nachteilig hierbei ist, dass entweder die pneumatischen Elemente nur eine geringe Wirkung erzeugen, da sie regelmäßig untereinander pneumatisch und damit druckbezogen in Verbindung stehen und/oder die Massagewirkung relativ schwach ist, da bei mehr oder weniger großflächiger Druckerzeugung unterhalb der Polsterauflage von Fahrzeugsitzen und wegen der in der Regel fest verspannten Bezüge oberhalb dieser Polsterauflage eine wirkungsvolle Übertragung von Drücken auf den Körper des Fahrers vermieden wird.Furthermore, it is known to provide pneumatic elements in the seat of vehicle seats, in particular vehicle seats of trucks, which can be pressurized via a control device such that various massage functions can be implemented via the pneumatic elements. As a result, a periodically changing seat contour can be generated in a manner similar to the pearl seat massage pads of vehicle seats in such a way that signs of fatigue due to long-term sitting in the vehicle seat can be prevented. The disadvantage here is that either the pneumatic elements produce only a slight effect, since they are regularly connected to each other pneumatically and therefore pressure-related and / or the massage effect is relatively weak, because with more or less large-scale pressure generation below the upholstery of vehicle seats and because of the usually tightly tensioned covers above this cushion cover effective transmission of pressures to the driver's body is avoided.
Die vorliegende Erfindung hat demgegenüber zur Aufgabe, einen Fahrzeugsitz mit einer Kontureinstellung und einer Massagefunktion bereitzustellen, welche konstruktiv möglichst einfach zu realisieren ist und eine hinsichtlich der gewünschten Sitzkontur möglichst wirkungsvolle und variable Einstellung des Sitzes ermöglicht. Diese Aufgabe wird durch einen Fahrzeugsitz mit den Merkmalen gemäß Anspruch 1 gelöst. Vorteilhafte Weiterbildungen und Ausgestaltungen der Erfindung sind Gegenstand der abhängigen Ansprüche .In contrast, the object of the present invention is to provide a vehicle seat with a contour adjustment and a massage function which is structurally as simple as possible to implement and which permits variable adjustment of the seat that is as effective and variable as possible with regard to the desired seat contour. This object is achieved by a vehicle seat with the features according to claim 1. Advantageous further developments and refinements of the invention are the subject of the dependent claims.
Der Fahrzeugsitz gemäß der Erfindung weist ein Sitzkissen und eine Sitzlehne auf, die jeweils mit einer Mehrzahl von druckbeaufschlagbaren Elementen zur Beeinflussung der Sitzkontur versehen sind, und eine Steuerung zur gezielten Druckbeaufschlagung der Elemente, wobei mittels der Steuerung unterschiedliche Massageeffekte erzielbar sind. Der erfindungsgemäße Fahrzeugsitz ist dadurch gekennzeichnet, dass die druckbeaufschlagbaren Elemente im Verhältnis zur Fläche der Sitzkontur kleine, kissenartige Elemente sind, welche jeweils separat über Leitungen ansteuerbar sind zur im Wesentlichen punktförmigen Veränderung der Sitzkontur. Hierdurch kann einerseits eine wirkungsvolle Massagefunktion mittels der druckbeaufschlagbaren Elemente realisiert werden, da eine im Wesentlichen punktförmige Druckerzeugung gezielt Veränderungen der Sitzkontur ermöglicht. Dadurch, dass die druckbeaufschlagbaren Elemente relativ kleine, kissenartige Elemente sind, ist das erforderliche Volumen und somit die Ansprechzeit gering. Die Massagefunktion kann durch geringen zusätzlichen Raumbedarf an bestehenden Sitzen eingefügt werden. Die lediglich punktförmige Druckerzeugung einzelner oder einer Kombination von mehreren druckbeaufschlagbaren Elementen ist überraschenderweise ausreichend für eine gezielte Veränderung der Sitzkontur und effektive, das heißt wirkungsvolle Realisierung von Massagefunktionen. Obwohl lediglich nur ein geringes Volumen der druckbeaufschlagbaren Elemente vorhanden ist, kann durch die punktuelle Druckerhöhung innerhalb der Lehne und des Sitzes des Fahrzeuges aufgrund der aus Kaschierung und/oder Polsterung sowie Bezug bestehenden Sitzkontur im Zusammenhang eine gezielte und effektvolle Veränderung der Sitzkontur ermöglicht werden.The vehicle seat according to the invention has a seat cushion and a seat back, each of which is provided with a plurality of pressurizable elements for influencing the seat contour, and a controller for targeted pressurization of the elements, wherein different massage effects can be achieved by means of the controller. The vehicle seat according to the invention is characterized in that the elements which can be pressurized are small, cushion-like elements in relation to the surface of the seat contour, which elements can each be controlled separately via lines for the essentially point-like change of the seat contour. This can on the one hand Effective massage function can be realized by means of the elements that can be pressurized, since essentially point-like pressure generation enables targeted changes in the seat contour. The fact that the pressurizable elements are relatively small, cushion-like elements means that the required volume and thus the response time are low. The massage function can be added to existing seats by taking up little additional space. The only point-like pressure generation of individual or a combination of several pressurizable elements is surprisingly sufficient for a targeted change in the seat contour and effective, that is to say effective implementation of massage functions. Although there is only a small volume of the elements that can be pressurized, the selective pressure increase within the backrest and seat of the vehicle due to the seat contour consisting of lamination and / or upholstery as well as cover can be used to make a targeted and effective change in the seat contour.
Nach einer vorteilhaften Ausgestaltung der Erfindung ist mittels der druckbeaufschlagbaren Elemente und der Steuerung des Fahrzeugsitzes eine gewünschte, statische Sitzkontur einstellbar. Auf diese voreingestellte statische Sitzkontur, das heißt eine Sitzkontur, die durch unterschiedliche Druckbeaufschlagung einzelner Druckelemente definiert ist, aufbauend, kann so vorteilhafterweise eine Massagefunktion zum Beispiel durch periodisches Wechseln oder kombiniertes Betätigen einzelner Druckelemente oder von druckbeaufschlagbaren Elementen eines gesamten Bereichs, wie zum Beispiel Rückenwirbelbereich, auf einfache und wirkungsvolle Weise realisiert werden, und die Sitzkontur, welche spezifisch auf einen Fahrer angepasst ist, wird danach ohne weiteres wieder eingenommen. Ähnlich voreingestellten Sitzpositionen für eine Mehrzahl von Benutzern, wie sie bei heutigen Kraftfahrzeugen gelegentlich schon realisiert sind, kann so der Fahrzeugsitz auf verschiedene Benutzer des Fahrzeuges spezifisch, das heißt entsprechend den jeweiligen orthopädischen und/oder komfortbezogenen Bedingungen angepasst werden. Die Sitzkontur ist erfindungsgemäß immer wieder abrufbar bzw. wird automatisch nach Durchführen einer oder mehrerer Massageaktionen wieder eingenommen. Dies geschieht in vorteilhafter Weise durch Druckbeaufschlagung der einzelnen Elemente, die jeweils nur ein geringes Volumen aufweisen und demnach kurze Ansprechzeiten haben. Die erfindungsgemäße Konturverstellung mit kombinierter Massagefunktion ist wenig raumgreifend und lässt sich auf einfache Weise zwischen den einzelnen Elementen eines Fahrzeugsitzes, insbesondere der Unterfederung, Polsterung und des Bezuges des Sitzes, einfügen. Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung sind die druckbeaufschlagbaren Elemente zwischen einer Polsterung und einem Bezug des Fahrzeugsitzes angeordnet. Die Wirksamkeit der im Wesentlichen punktförmigen Druckerzeugung durch die druckbeaufschlagbaren Elemente kann somit weiter erhöht werden. Unter im Wesentlichen punktförmig wird vorliegend ein im Verhältnis zur Gesamtfläche des Sitzes bzw. der Lehne des Fahrzeugsitzes relativ kleiner Bereich verstanden, insbesondere ein Bereich in der Größenordnung von 5 bis 10 cm2, welcher durch ein einzelnes druckbeaufschlagbares Element separat betätigbar ist. Die Anzahl und Anordnung der jeweiligen Elemente ist vorzugsweise im Wesentlichen über die gesamte Fläche der Sitzkontur verteilt, kann jedoch ebenso auf einzelne spezifische Bereiche beschränkt sein.According to an advantageous embodiment of the invention, a desired, static seat contour can be set by means of the elements that can be pressurized and the control of the vehicle seat. On this preset static seat contour, that is, a seat contour that is characterized by different Pressurization of individual pressure elements is defined, building up, a massage function can advantageously be realized in a simple and effective manner, for example by periodically changing or combined actuation of individual pressure elements or of pressurizable elements of an entire area, such as the vertebrae area, and the seat contour, which is specific adapted to a driver is then easily resumed. Similar to preset seating positions for a plurality of users, as are sometimes already realized in today's motor vehicles, the vehicle seat can thus be adapted specifically to different users of the vehicle, that is to say corresponding to the respective orthopedic and / or comfort-related conditions. According to the invention, the seat contour can be called up again and again or is taken up again automatically after one or more massage actions have been carried out. This is advantageously done by pressurizing the individual elements, each of which has only a small volume and therefore has short response times. The contour adjustment according to the invention with a combined massage function takes up little space and can be inserted in a simple manner between the individual elements of a vehicle seat, in particular the spring base, upholstery and the cover of the seat. According to a further advantageous embodiment of the invention, the elements that can be pressurized are arranged between an upholstery and a cover of the vehicle seat. The effectiveness of the essentially punctiform pressure generation by the elements that can be pressurized can thus be increased further. In the present case, essentially point-shaped is understood to mean a region which is relatively small in relation to the total area of the seat or the backrest of the vehicle seat, in particular an region of the order of 5 to 10 cm 2 , which can be actuated separately by means of a single element which can be pressurized. The number and arrangement of the respective elements is preferably essentially distributed over the entire surface of the seat contour, but can also be limited to individual specific areas.
Nach einer vorteilhaften Ausgestaltung der Erfindung sind die druckbeaufschlagbaren Elemente auf einer flächigen Trägereinlage fixiert und unterhalb einer durch den Bezug des Sitzes abgedeckten Kaschierung des Fahrzeugsitzes angeordnet. Hierdurch wird die Montage des erfindungsgemäßen Sitzes erleichtert, da die einzelnen Elemente und ihre Verbindungsleitungen auf einer Trägerfläche derart fixiert sind, dass ein Verrutschen oder ein Verschieben während des Hersteilens des Fahrzeugsitzes vermieden wird. Die Position der jeweiligen Druckelemente ist somit präzise festgelegt, sodass insbesondere auch gezielte Massagen von einzelnen Stellen im Bereich der Sitzkontur möglich sind.According to an advantageous embodiment of the invention, the pressurizable elements are fixed on a flat support insert and are arranged below a liner covering the vehicle seat covered by the cover of the seat. This simplifies the assembly of the seat according to the invention, since the individual elements and their connecting lines are fixed on a support surface in such a way that slipping or shifting during manufacture of the vehicle seat is avoided. The position of the respective printing elements is thus precisely defined, so that, in particular, targeted massages from individual areas in the area of the seat contour are possible.
Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist die Form der druckbeaufschlagbaren Elemente derart, dass im Wesentlichen punktförmige Druckbereiche innerhalb der Sitzkontur erzeugt werden können. Hierdurch wird vermieden, dass durch Betätigen eines einzigen Elementes der gesamte Bereich des Sitzkissens oder der Rückenlehne gleichermaßen bewegt wird, oder zumindest ein großer Teil davon. Die punktförmige Druckbeaufschlagung hat den besonderen Vorteil, dass die Variabilität in der Realisierung einer Voreinstellung der Sitzkontur ebenso erhöht wird wie auch die Vielfältigkeit der durch den Sitz realisierbaren Massagefunktionen. Eine Form der druckbeaufschlagbaren Elemente, welche im Wesentlichen zu einer punktförmigen Erzeugung von Druckbereichen angepasst ist, ist beispielsweise eine ovale oder kreisförmige Form mit seitlichen Begrenzungsnähten, sodass bei Beaufschlagung des Elementes mit Druck im Wesentlichen nur eine Ausdehnung in Richtung quer zur Fläche der Sitzkontur erfolgt. Ein alternatives Beispiel für eine Form eines Druckelementes, sodass eine punktförmige Druckerzeugung möglich ist, ist das Vorsehen von blasebalgartigen Seitenbereichen, die durch flächige, gegenüberliegende Seitenwände verbunden werden. Auch hier wird im Wesentlichen in Richtung auf die Oberfläche der Sitzfläche und Rückenlehnenfläche ein Druck erzeugt, ohne dass eine relevante Vergrößerung des Elementes zu den Seiten hin und damit eine flächige - nicht punktförmige - Druckerzeugung erfolgt. Selbstverständlich kann alternativ jede andere Form des druckbeaufschlagbaren Elementes verwendet werden, solange gemäß diesem Aspekt der Erfindung eine im Wesentlichen punktförmige, das heißt hinsichtlich der Massagewirkung und der Einstellung gewünschter Sitzkonturen gezielte und wirkungsvolle Druckbeaufschlagung realisierbar ist.According to a further advantageous embodiment of the invention, the shape of the elements that can be pressurized is such that essentially punctiform pressure areas can be generated within the seat contour. This prevents the entire area of the seat cushion or the backrest from being moved equally, or at least a large part thereof, by actuating a single element. The punctiform pressurization has the particular advantage that the variability in realizing a pre-setting of the seat contour is increased as well as the variety of massage functions that can be realized by the seat. One form of the elements that can be pressurized, which is essentially adapted to a punctiform generation of pressure areas, is, for example, an oval or circular shape with side seams, so that when the element is subjected to pressure, essentially only an expansion takes place in the direction transverse to the surface of the seat contour. An alternative example of a shape of a pressure element, so that punctiform pressure generation is possible, is the provision of bellows-like side areas which are connected by flat, opposite side walls. Again, essentially going towards that A pressure is generated on the surface of the seat surface and backrest surface without a relevant enlargement of the element towards the sides and thus a flat - not punctiform - pressure generation. Of course, any other form of pressurizable element can alternatively be used as long as, according to this aspect of the invention, an essentially punctiform, that is to say targeted and effective, pressurization with regard to the massage effect and the setting of desired seat contours can be achieved.
Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung sind die druckbeaufschlagbaren Elemente über jeweilige separate Leitungen betätigbar, wobei die Leitungen in der Fläche einer Trägereinlage angeordnet und fixiert und in Richtung zu dem Steuerelement gebündelt zusammengeführt sind. Durch diese Anordnung ist die Montage der Druckelemente und ihrer Leitungen bei der Herstellung des Fahrzeugsitzes vereinfacht, da eine einfache flächige Trägereinlage in den Lagen des Sitzes eingefügt und fixiert werden muss. Außerdem sind hierdurch die Verbindungsleitungen der Steuereinrichtung oder der Druckerzeugungseinrichtung möglichst kurz, und die entsprechenden Ansprechzeiten bei der Beaufschlagung mit Druck sind entsprechend kurz. Die Fixierung in der Fläche einer Trägereinlage hat des Weiteren den Vorteil, dass der erforderliche Raumbedarf in seiner Höhenausdehnung auf ein Minimum reduziert ist.According to a further advantageous embodiment of the invention, the elements that can be pressurized can be actuated via respective separate lines, the lines being arranged and fixed in the surface of a carrier insert and bundled together in the direction of the control element. This arrangement simplifies the assembly of the pressure elements and their lines during the manufacture of the vehicle seat, since a simple flat support insert has to be inserted and fixed in the layers of the seat. In addition, the connecting lines of the control device or the pressure generating device are thereby as short as possible, and the corresponding response times when pressurized are correspondingly short. The fixation in the surface of a carrier insert also has the advantage that the required space requirement is reduced to a minimum in its height expansion.
Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung sind die druckbeaufschlagbaren Elemente pneumatisch oder elektropneumatisch mit Druck beaufschlagbar. Alternativ kann auch eineAccording to a further advantageous embodiment of the invention, the pressurizable elements can be pressurized pneumatically or electropneumatically. Alternatively, one
Druckbeaufschlagung mit einem Fluid vorgesehen werden, wobei jedoch die Verwendung von Luft hinsichtlich von Leckageproblemen vorteilhaft ist.Pressurization with a fluid can be provided, but the use of air is advantageous with regard to leakage problems.
Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist die Steuerung angepasst zum Ausführen einer Mehrzahl von voreingestellten und individuell einstellbaren Massagefunktionen. Die Massagefunktionen werden über eine kombinierte, periodisch wechselnde und/oder einzelne Betätigung der jeweiligen Druckelemente in den Bereichen der Sitzkontur realisiert. Insbesondere ist hierdurch eine Implementierung von bekannten Massagearten, wie zum Beispiel einer Reflexzonenmassage mit gezielter Massage einzelner Bereiche des Körpers, realisierbar.According to a further advantageous embodiment of the invention, the control is adapted to carry out a plurality of preset and individually adjustable massage functions. The massage functions are implemented by a combined, periodically changing and / or individual actuation of the respective pressure elements in the areas of the seat contour. In particular, this makes it possible to implement known types of massage, such as a reflex zone massage with targeted massage of individual areas of the body.
Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist mittels der Steuerung eine Mehrzahl von vorausgewählten Einstellungen einer Sitzkontur speicherbar. Hierdurch kann für unterschiedliche Benutzer des Fahrzeuges, insbesondere bei Lastkraftfahrzeugen, eine für das längere Fahren wesentliche spezifische Anpassung der Sitzkontur jeweils gespeichert werden. Ähnlich von voreingestellten Sitzpositionen (Sitzhöhe, Rückenlehnenschräge, Abstand zu den Pedalen etc.) kann so vorteilhafterweise auch die jeweilige Sitzkontur spezifisch eingepasst und in dieser Anpassung auch gespeichert werden. Der jeweilige Fahrer muss lediglich die auf seinen Körperbau optimierte Voreinstellung auswählen, und über die druckbeaufschlagbaren Elemente wird diese durch die Steuerung realisiert.According to a further advantageous embodiment of the invention, a plurality of preselected settings of a seat contour can be stored by means of the control. As a result, for different users of the vehicle, in particular in the case of trucks, a specific adaptation of the seat contour that is essential for longer driving is stored in each case. Similar to preset seating positions (seat height, backrest incline, distance to the pedals, etc.), the respective seat contour can thus advantageously be specifically adapted and also saved in this adaptation. All the driver has to do is select the presetting that is optimized for his physique, and this is implemented by the control system using the pressurizable elements.
Weitere Vorteile, vorteilhafte Ausgestaltungen und Einzelheiten der Erfindung sind der nachfolgenden Beschreibung zu entnehmen, in welcher die Erfindung anhand der in der Zeichnung dargestellten Ausführungsbeispiele näher beschrieben und erläutert ist.Further advantages, advantageous refinements and details of the invention can be found in the following description, in which the invention is described and explained in more detail with reference to the exemplary embodiments shown in the drawing.
In der Zeichnung zeigen:The drawing shows:
Figur 1 eine schematische Schrägdraufsicht eines ersten Ausführungsbeispiels eines Fahrzeugsitzes mit pneumatischen Druckelementen gemäß der Erfindung;Figure 1 is a schematic oblique plan view of a first embodiment of a vehicle seat with pneumatic pressure elements according to the invention;
Figur 2 eine schematische, geschnittene Seitenansicht eines Fahrzeugsitzes des Ausführungsbeispiels aus Figur 1 in entspanntem Zustand der Druckelemente; Figur 3 den Fahrzeugsitz gemäß Figur 2 mit zwei pneumatischen Elementen im Druckzustand;FIG. 2 shows a schematic, sectional side view of a vehicle seat of the exemplary embodiment from FIG. 1 in the relaxed state of the pressure elements; 3 shows the vehicle seat according to FIG. 2 with two pneumatic elements in the pressure state;
Figur 4 Ausführungsvarianten hinsichtlich der Form der Pneumatikelemente gemäß der Erfindung; undFIG. 4 design variants with regard to the shape of the pneumatic elements according to the invention; and
Figur 5 Ausführungsvarianten im Detail der Form undFigure 5 variants in detail of the shape and
Anordnung der Druckleitungen für die pneumatischen Druckelemente gemäß der Erfindung.Arrangement of the pressure lines for the pneumatic pressure elements according to the invention.
Ein erstes Ausführungsbeispiel eines Fahrzeugsitzes gemäß der Erfindung mit kombinierter Massagefunktion und Kontureinstellung ist in Schrägansicht schematisch in Figur 1 dargestellt. Der Fahrzeugsitz 1 weist bekanntermaßen ein Sitzkissen 2 und eine Rückenlehne 3 auf, welche gelenkig miteinander verbunden sind. Der Fahrzeugsitz 1 ist unterhalb seines Bezuges 8 mit einer Mehrzahl von druckbeaufschlagbaren Elementen bzw. Pneumatikelementen 4 versehen, die über jeweilige Verbindungsleitungen 6 über eine (in der Figur nicht gezeigte) Druckerzeugungseinrichtung mit Luftdruck betätigbar sind. Die Pneumatikelemente 4 weisen vorzugsweise ein relativ geringes Volumen bzw. Flächenausdehnung auf, sodass eine im Wesentlichen punktförmige Druckerzeugung möglich wird. Die Form der Pneumatikelemente 4 ist bei dem hier gezeigten Ausführungsbeispiel im Wesentlichen oval oder kreisrund, sodass kleine Druckpolster bzw. Druckkissen in ausgewählten Bereichen der Sitzkontur des Fahrzeugsitzes 1 gebildet werden. Alternativ kann die gesamte Sitzkontur mit den dargestellten Pneumatikelementen 4 versehen sein. Die Pneumatikelemente 4 sind auf einer flächigen Trägereinlage 9 montiert und befestigt, sodass ihre jeweilige Position innerhalb der Fläche der Sitzkontur genau festgelegt ist. Außerdem ist hierdurch die Montage erleichtert. Die Betätigung der Pneumatikelemente 4 - einzeln, in Kombination oder in zeitlicher Abfolge aufeinander - erfolgt über eine im Bereich der Sitzlehne 3 angeordnete Steuerung 5. Mittels der Steuerung wird über jeweilige separateA first embodiment of a vehicle seat according to the invention with a combined massage function and contour adjustment is shown schematically in an oblique view in FIG. As is known, the vehicle seat 1 has a seat cushion 2 and a backrest 3, which are connected to one another in an articulated manner. The vehicle seat 1 is provided below its cover 8 with a plurality of pressurizable elements or pneumatic elements 4, which can be actuated with air pressure via respective connecting lines 6 via a pressure generating device (not shown in the figure). The pneumatic elements 4 preferably have a relatively small volume or surface area, so that essentially point-like pressure generation is possible. The shape of the pneumatic elements 4 is essentially oval or in the embodiment shown here circular, so that small pressure pads or pressure cushions are formed in selected areas of the seat contour of the vehicle seat 1. Alternatively, the entire seat contour can be provided with the pneumatic elements 4 shown. The pneumatic elements 4 are mounted and fastened on a flat support insert 9, so that their respective position within the surface of the seat contour is precisely defined. This also makes assembly easier. The pneumatic elements 4 - individually, in combination or in chronological succession - are actuated via a control 5 arranged in the region of the seat back 3
Verbindungsleitungen 6 jedes Pneumatikelement 4 für sich mit dem erforderlichen Luftdruck erzeugt. Die Realisierung einer Massagefunktion ebenso wie die Realisierung von spezifischen Sitzkonturen kann so mit einem relativ geringen Volumen, das heißt einem relativ geringen Druck, in dem Medium bzw. der Druckluft auf vorteilhafte Weise und effektiv realisiert werden.Connection lines 6 each pneumatic element 4 generated for themselves with the required air pressure. The implementation of a massage function as well as the implementation of specific seat contours can thus be advantageously and effectively implemented with a relatively small volume, that is to say a relatively low pressure, in the medium or compressed air.
In Figur 2 ist schematisch eine seitliche Schnittansicht des Fahrzeugsitzes 1 gemäß dem Ausführungsbeispiel der Erfindung aus Figur 1 dargestellt. Hieraus sind der Aufbau und die Struktur des Fahrzeugsitzes entnehmbar: Der Aufbau jeweils des Sitzkissens 2 und der Sitzlehne 3 des Fahrzeugsitzes 1 besteht im Einzelnen aus einer Unterfederung 11, einer Polsterung 7, einer Kaschierung 10 und einem diese Elemente abdeckenden Bezug 8. Die erfindungsgemäße Einlage von Pneumatikelementen für eine Massagefunktion und eine Konturverstellung des Sitzes ist bei diesem Ausführungsbeispiel zwischen der Polsterung 7 und der Kaschierung 10 angeordnet. Die relativ kleinen, separaten Pneumatikelemente 4 sind so in der Nähe der Oberfläche der Sitzkontur des Fahrzeugsitzes 1 angeordnet, dass mit geringem Druck und geringem Volumen eine Verstellung jeweiliger Bereiche bzw. Punkte der Sitzflächen und Rückenflächen möglich ist. Die Steuerung 5 ist vorzugsweise im Bereich der Rückenlehne 3 angeordnet, sodass kein zusätzlicher Raumbedarf erforderlich ist.FIG. 2 schematically shows a sectional side view of the vehicle seat 1 according to the exemplary embodiment of the invention from FIG. 1. The structure and structure of the vehicle seat can be seen from this: The structure of the seat cushion 2 and the seat back 3 of the vehicle seat 1 in each case consists of a spring base 11, one Upholstery 7, a liner 10 and a cover 8 covering these elements. The insert according to the invention of pneumatic elements for a massage function and a contour adjustment of the seat is arranged between the upholstery 7 and the liner 10 in this exemplary embodiment. The relatively small, separate pneumatic elements 4 are arranged in the vicinity of the surface of the seat contour of the vehicle seat 1 in such a way that the respective areas or points of the seat surfaces and back surfaces can be adjusted with low pressure and low volume. The controller 5 is preferably arranged in the area of the backrest 3, so that no additional space is required.
In Figur 3 ist das Ausführungsbeispiel eines erfindungsgemäßen Fahrzeugsitzes gemäß Figur 2 in einer ähnlichen Ansicht dargestellt, wobei hier zwei ausgewählte Pneumatikelemente 4 im Druckzustand dargestellt sind. Die beiden druckbeaufschlagten Pneumatikelemente 4 erzeugen jeweils eine lokale Auswölbung an der vorgegebenen Stelle, im Wesentlichen ohne dass die gesamte Kontur des Fahrzeugsitzes verändert wird. Das heißt, nach Beenden der Druckbeaufschlagung der beiden Elemente 4 ist sichergestellt, dass die ursprüngliche Sitzkontur wieder erreicht wird. Ebenso kann die in Figur 3 dargestellte Situation eine vorausgewählte, spezifische Sitzkontur eines bestimmten Fahrers sein, welcher im Lendenwirbelbereich und im vorderen Sitzflächenbereich jeweils eine Erhebung aufweist, zur optimalen orthopädischen oder anderweitigen Anpassung an den Körper dieses Fahrers.In Figure 3, the embodiment of a vehicle seat according to the invention according to Figure 2 is shown in a similar view, here two selected pneumatic elements 4 are shown in the pressure state. The two pressurized pneumatic elements 4 each produce a local bulge at the predetermined point, essentially without changing the entire contour of the vehicle seat. This means that after the pressurization of the two elements 4 has ended, it is ensured that the original seat contour is reached again. The situation shown in FIG. 3 can also be a preselected, specific seat contour certain driver, which has a raised area in the lumbar region and in the front seat area, for optimal orthopedic or other adaptation to the body of this driver.
Figur 4 stellt Ausführungsvarianten hinsichtlich der Form der Pneumatik- oder Druckelemente 4 gemäß der Erfindung dar. Allen in Figur 4 dargestellten Formen ist gemeinsam, dass die Form derart ist, dass eine im Wesentlichen punktförmige Druckbeaufschlagung mit den Pneumatikelementen ermöglicht wird. Außerdem sind die Elemente 4 in ihrem Volumen relativ klein und auch hinsichtlich ihrer Flächenausdehnung in Bezug auf die Gesamtfläche der Sitzkontur klein. Jedes Pneumatikelement 4 ist mit einer jeweiligen Leitungsverbindung 6 versehen, über welche der Druck zugeführt wird und wieder abgeleitet werden kann. Die dargestellten Formvarianten, welche beispielhaft gegeben werden für die Möglichkeit einer Realisierung einer punktförmigen Druckerzeugung sind folgende Formen: ovale, eiförmige Form, seitlich eingeschnürte Ziehharmonikaform, Zweikammerform, Ellipsenform mit beulenartiger Auswölbung und Ellipsenform mit einer Mehrzahl von beulenartigen Ausformungen. Selbstverständlich können andere Formen und Varianten für die erfindungsgemäße Einrichtung zur Massage und zur Verstellung der Sitzkontur eines Fahrzeugsitzes in Betracht gezogen werden, solange mit ihnen eine im Wesent- lichen punktförmige und wenig Raumbedarf erfordernde Druckerzeugung möglich ist.FIG. 4 shows design variants with regard to the shape of the pneumatic or pressure elements 4 according to the invention. All of the shapes shown in FIG. 4 have in common that the shape is such that an essentially punctiform pressurization with the pneumatic elements is made possible. In addition, the elements 4 are relatively small in volume and also small in terms of their surface area in relation to the total area of the seat contour. Each pneumatic element 4 is provided with a respective line connection 6, via which the pressure is supplied and can be discharged again. The form variants shown, which are given by way of example for the possibility of realizing a point-like pressure generation, are as follows: oval, egg-shaped form, laterally constricted accordion form, two-chamber form, ellipse form with bulge-like bulge and ellipse form with a plurality of bulge-like forms. Of course, other shapes and variants for the device according to the invention for massage and for adjusting the seat contour of a vehicle seat can be considered, as long as they provide an essentially Lichen punctiform and little space required pressure generation is possible.
In Figur 5 sind zwei Ausführungsvarianten einer Ausbildung und Anordnung von jeweiligen Leitungsverbindungen 6 zu den (nicht dargestellten) einzelnen pneumatischen Druckelementen 4 gezeigt. Die Leitungen 6 der ersten dargestellten Variante sind zylindrische Rohrleitungen, welche auf einer Trägereinlage 9 angeordnet und befestigt sind und in Richtung zu der (nicht dargestellten) Steuerung bzw. Druckerzeugungseinrichtung gebündelt zusammengeführt werden. Die Fixierung auf der Trägereinlage 9 hat den Vorteil einer leichteren Montage, und die Befestigung auf der Oberfläche der Trägereinlage 9 hat den Vorteil, dass in der Höhe ein geringer Raumbedarf erforderlich ist. Alternativ ist in der zweiten, dargestellten Ausführungsvariante auf der Trägereinlage 9 eine Mehrzahl von kanalartigen, im Querschnitt rechteckigen Leitungen 6 vorgesehen, die beispielsweise durch Verschweißen mehrerer Schichten von Folien realisiert werden können.FIG. 5 shows two design variants of a design and arrangement of respective line connections 6 to the individual pneumatic pressure elements 4 (not shown). The lines 6 of the first variant shown are cylindrical pipelines which are arranged and fastened on a carrier insert 9 and are bundled together in the direction of the control or pressure generating device (not shown). The fixation on the carrier insert 9 has the advantage of easier assembly, and the fastening on the surface of the carrier insert 9 has the advantage that a small amount of space is required in height. Alternatively, in the second embodiment variant shown, a plurality of channel-like lines 6 which are rectangular in cross section are provided on the carrier insert 9 and can be implemented, for example, by welding a plurality of layers of foils.
Sämtliche in der Beschreibung, den nachfolgenden Ansprüchen und der Zeichnung dargestellten Merkmale können sowohl einzeln als auch in beliebiger Kombination miteinander erfindungswesentlich sein. All of the features shown in the description, the following claims and the drawing can be essential to the invention both individually and in any combination with one another.

Claims

Patentansprüche claims
1. Fahrzeugsitz (1) mit einem Sitzkissen (2) und mit einer Sitzlehne (3), welche jeweils mit einer Mehrzahl von druckbeaufschlagbaren Elementen (4) zur Beeinflussung der Sitzkontur versehen sind, mit einer Steuerung (5) zur gezielten Druckbeaufschlagung der druckbeaufschlagbaren Elemente (4), wobei die Steuerung (5) angepasst ist zur Erzielung unterschiedlicher Massageeffekte, d a d u r c h g e k e n n z e i c h n e t , dass die druckbeaufschlagbaren Elemente (4) im Verhältnis zur Fläche der Sitzkontur kleine, kissenartige Elemente sind, die jeweils separat über Leitungen (6) ansteuerbar sind zur im Wesentlichen punktförmigen Veränderung der Sitzkontur.1. Vehicle seat (1) with a seat cushion (2) and with a seat back (3), each of which is provided with a plurality of pressurizable elements (4) for influencing the seat contour, with a control (5) for targeted pressurization of the pressurizable elements (4), the controller (5) being adapted to achieve different massage effects, characterized in that the elements (4) which can be pressurized are small, cushion-like elements in relation to the surface of the seat contour, which can be controlled separately via lines (6) for the purpose of Substantial point change in the seat contour.
2. Fahrzeugsitz (1) nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , dass mittels der druckbeaufschlagbaren Elemente (4) und der Steuerung (5) eine gewünschte, statische Sitzkontur einstellbar ist. 2. Vehicle seat (1) according to claim 1, characterized in that a desired, static seat contour can be adjusted by means of the pressurizable elements (4) and the controller (5).
3. Fahrzeugsitz (1) nach Anspruch 1 oder 2, d a d u r c h g e k e n n z e i c h n e t , dass die druckbeaufschlagbaren Elemente (4) zwischen einer Polsterung (7) und einem Bezug (8) des Fahrzeugsitzes (1) angeordnet sind.3. Vehicle seat (1) according to claim 1 or 2, so that the pressurizable elements (4) are arranged between an upholstery (7) and a cover (8) of the vehicle seat (1).
4. Fahrzeugsitz (1) nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass die druckbeaufschlagbaren Elemente (4) auf einer flächigen Trägereinlage (9) angeordnet und fixiert sind unterhalb einer durch den Bezug (8) des Fahrzeugsitzes (1) abgedeckten Kaschierung (10) .4. Vehicle seat (1) according to one of the preceding claims, characterized in that the pressurizable elements (4) on a flat carrier insert (9) are arranged and fixed below a by the cover (8) of the vehicle seat (1) covered lamination (10) ,
5. Fahrzeugsitz (1) nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass die Form der druckbeaufschlagbaren Elemente (4) derartig ist, dass im Wesentlichen punktförmige Druckbereiche innerhalb der Sitzkontur erzeugt werden können.5. Vehicle seat (1) according to one of the preceding claims, that the shape of the pressurizable elements (4) is such that essentially punctiform pressure areas can be generated within the seat contour.
6. Fahrzeugsitz (1) nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass die druckbeaufschlagbaren Elemente (4) über jewei- lige separate Leitungen (6) betätigbar sind, wobei die Leitungen (6) in der Fläche einer Trägereinlage (9) fixiert und gebündelt in Richtung zur Steuerung (5) zusammengeführt sind.6. Vehicle seat (1) according to any one of the preceding claims, characterized in that the pressurizable elements (4) over each Some separate lines (6) can be actuated, the lines (6) being fixed in the surface of a carrier insert (9) and bundled together in the direction of the controller (5).
7. Fahrzeugsitz (1) nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass die Elemente (4) pneumatisch oder elektropneuma- tisch mit Druck beaufschlagbar sind.7. Vehicle seat (1) according to one of the preceding claims, that the elements (4) can be pressurized pneumatically or electro-pneumatically by pressure.
8. Fahrzeugsitz (1) nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass die Steuerung (5) angepasst ist zum Ausführen einer Vielzahl voreingestellter und individuell einstellbarer Massagefunktionen.8. Vehicle seat (1) according to one of the preceding claims, that the control (5) is adapted to carry out a large number of preset and individually adjustable massage functions.
9. Fahrzeugsitz (1) nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass mittels der Steuerung (5) eine Mehrzahl von vorausgewählten Einstellungen einer Sitzkontur speicherbar ist . 9. The vehicle seat (1) according to one of the preceding claims, that a plurality of preselected settings of a seat contour can be stored by means of the controller (5).
EP03797276A 2002-09-14 2003-09-06 Vehicle seat having a massage function and contour adjustment Withdrawn EP1536974A1 (en)

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DE10242760A DE10242760B4 (en) 2002-09-14 2002-09-14 Vehicle seat with massage function and contour adjustment
DE10242760 2002-09-14
PCT/EP2003/009916 WO2004026623A1 (en) 2002-09-14 2003-09-06 Vehicle seat having a massage function and contour adjustment

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EP (1) EP1536974A1 (en)
JP (1) JP4305663B2 (en)
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WO2004026623A1 (en) 2004-04-01
US20060049678A1 (en) 2006-03-09

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