WO2004082989A2 - Vorrichtung zur aufnahme von funktionselementen - Google Patents
Vorrichtung zur aufnahme von funktionselementen Download PDFInfo
- Publication number
- WO2004082989A2 WO2004082989A2 PCT/DE2004/000540 DE2004000540W WO2004082989A2 WO 2004082989 A2 WO2004082989 A2 WO 2004082989A2 DE 2004000540 W DE2004000540 W DE 2004000540W WO 2004082989 A2 WO2004082989 A2 WO 2004082989A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- intermediate layer
- core
- heating
- seat
- Prior art date
Links
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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
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/7094—Upholstery springs
-
- 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
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
- B60N2/0264—Non-manual adjustments, e.g. with electrical operation with logic circuits characterised by the type of electrical connection, e.g. wiring, plugs or USB
-
- 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
-
- 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
- B60N2/5685—Resistance
-
- 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
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/7017—Upholstery springs ; Upholstery characterised by the manufacturing process; manufacturing upholstery or upholstery springs not otherwise provided for
Definitions
- the present invention relates to a device for receiving functional elements according to the preamble of claim 1.
- Such functional elements can in particular be upholstery or cladding elements of a vehicle interior and in particular a vehicle seat.
- a device according to the invention for accommodating functional elements in areas of a vehicle interior that are at least temporarily subjected to mechanical forces with the features of claim 1 provides that further, in particular, in an area or in a remaining space between a base layer, a cover layer and a support element of the device electrical functional elements are arranged.
- the device according to the invention can in particular be arranged in a vehicle seat, a door trim or a dashboard.
- the device according to the invention can be another cladding and / or upholstery element in the vehicle interior.
- the configuration according to the invention results in very diverse and universal possibilities for the configuration of the device as well as a wide range of possible uses and applications.
- An embodiment of the invention provides that the vehicle seat has a cushion core for supporting a passenger and a device for air conditioning the vehicle seat.
- the device according to the invention is integrally connected to the cushion core of the vehicle seat.
- an advantageous embodiment of the invention can provide that the device is provided with air distribution devices or layers.
- an upper air distribution device can be provided on a front side of the upholstery core facing the passenger and a lower air distribution device on a back side of the upholstery core facing away from the passenger.
- a connecting device for transferring air between the first and the second air distribution device can be present, for example in the form of an air duct or in the form of a plurality of air ducts.
- At least one of the three named devices (upper and lower air distribution device, connecting device) can have an elongated cavity. This elongated cavity is preferably formed at least from parts of the intermediate layer.
- at least one support element is provided in the air-carrying cross section of the cavity.
- the functional element can be a sensor, which can in particular be arranged directly under the support element.
- the sensor can be used, for example, to record pressure, temperature, distance, humidity, acceleration, airborne sound or structure-borne noise or vibrations.
- the functional element can be a guide device, in particular a light guide, a flat cable, a round cable, a heating conductor, a pneumatic line or a hose carrying fluid.
- a coolant or the like can be used as the fluid, for example.
- the functional element can optionally also be an actuator, for example a massage device, an operating element, an actuating device or a thermostat.
- the functional element can also be a passive, non-electrical device, in particular a shaped or shapeless filler.
- the filler body can have, in particular, heat-insulating material such as polystyrene or moisture-absorbing material such as activated carbon.
- the filler can in particular have textile or textile-like components such as wool, natural fibers, waste foam residues and / or rubber hair and in particular have a flake shape or a granulate shape or the like.
- the support element can have a spring, in particular a spring, which is preferably spiral or meandering, and which can in particular consist or be made of a band-like plastic material. It can be provided that the support element 14 is formed from a firm but flexible material.
- the support element comprises a plurality of springs on a carrier layer carrying this, a spacer textile with a large, open air volume, a foam with a surface structure that is particularly nub-like, and / or a mat made of rubber hair, with bristles or made of or with non-woven material.
- the support element can also have a moisture-storing surface, in particular by dusting or coating with activated carbon or the like.
- a further preferred embodiment of the invention provides that at least one fan device is connected to the device, which ensures that air is conveyed through the intermediate layer.
- the passage of air between the fan unit into the device according to the invention can in particular take place perpendicularly or in alignment with the intermediate layer.
- the passage of air preferably takes place in a region of the intermediate layer with an increased layer thickness. It is further preferred that the If the air passes into a region of the intermediate layer, one end of which has a thickened, round cross section and the other end preferably has a flat, widened cross section.
- the ventilation device can in particular be connected to the front of the cushion core facing the passenger.
- the ventilation device can also be connected to the rear of the cushion core facing away from the passenger.
- the connecting device can preferably have at least one recess in the cushion core, which can in particular be arranged vertically.
- the recess in the cushion core is preferably connected in an air-permeable manner to the intermediate layer of the upper air distribution device and / or to the intermediate layer of the lower air distribution device.
- At least part of the intermediate layer can be guided on the side of the cushion core around it from its front to its rear.
- a conductor device can preferably be accommodated in this part of the intermediate layer.
- the part of the intermediate layer is arranged on the side of the upholstery core which faces the backs of the knees of the passenger and / or the back of the seat.
- a further preferred variant of the invention provides that the device has a plurality of recesses in the upholstery core, which preferably connects several individual sections of the intermediate layer arranged on the upholstery core and / or the upper air distribution device to the intermediate layer arranged below the upholstery core and / or the lower air distribution device.
- the plurality of individual sections are preferably separated from one another and spaced apart.
- a textile layer is particularly suitable as the base layer.
- This textile layer of the base layer can in particular have a fleece, a foam and / or a film.
- the base layer is preferably sufficiently thick to prevent support elements and / or functional elements from being drawn through.
- the base layer can be at least partially translucent or transparent. It can also be advantageous if the base layer is impermeable to steam and water-repellent.
- the base layer can be formed, for example, by the cushion core of the vehicle seat, by a densified area of the intermediate layer, by a seat cover and / or by a flat heating element.
- a textile layer is particularly suitable as a cover layer.
- This textile layer of the cover layer can in particular have a fleece, a foam and / or a film.
- the cover layer is preferably sufficiently thick to prevent support elements and / or functional elements from being drawn through.
- the cover layer can be at least partially translucent or transparent. It can also be advantageous if the top layer is impermeable to steam and water-repellent.
- the cover layer can be formed, for example, by the upholstery core of the vehicle seat, by a compressed area of the intermediate layer, by a seat cover and / or by a flat heating element.
- the base layer is integrally connected to the cushion core.
- the device according to the invention can be connected to the upholstery core in particular by foaming it during manufacture.
- the intermediate layer and / or the base layer can in particular have a layer which is essentially impermeable to liquid and which is arranged on the side of the intermediate layer facing the cushion core, which preferably consists of the same material as the cushion core.
- Polyurethane is particularly suitable as the material for this layer and the cushion core.
- the liquid impermeable layer can essentially form the base layer.
- the base layer and / or the cover layer can have deep and / or raised surface areas.
- channel-like areas can thereby be formed.
- At least some of the support elements can be arranged in a recessed surface area. All support elements are preferably arranged in recessed surface areas.
- the raised surface areas preferably have approximately the same height level as the recessed areas with a support element.
- a further variant of the invention provides that the flat, electrical heating element is arranged on or in the intermediate layer, the base layer and / or the cover layer.
- the heating element can in particular form one of these three layers mentioned.
- the flat electrical heating element can preferably have an electrically heatable textile, which is preferably arranged on the side of the intermediate layer facing the passenger.
- the electrically heatable textile material of the heating element can in particular have carbon threads and / or an electrically conductive film and / or at least one heating wire arranged or laid in a meandering manner.
- a conductor in particular a heating conductor, can be provided, which is arranged in particular in at least one intermediate space between at least two supporting elements in the intermediate layer, or is arranged in particular in an intermediate space formed by a supporting element in the intermediate layer.
- a plurality of elongated, in particular essentially parallel, spaces can be formed by the support elements.
- a heating conductor preferably an insulated heating conductor, can be arranged in at least two such spaces.
- the heating conductor can optionally be fixed to the device at its transition from one intermediate space into the other intermediate space, in particular on the base layer and / or the cover layer. This fixation of the heating conductor can be formed, for example, by a strip of adhesive material, which is in particular arranged essentially perpendicular to the gaps.
- the intermediate layer and the flat heating element can be laminated to one another, wherein in particular an adhesive fleece can serve as a carrier.
- support elements which are at least partially formed from a thermoplastic, can be melted and connected, in particular pressed, to the heating element.
- the cushion core also has at least one support element.
- the cushion core can in particular essentially be formed from a multiplicity of support elements.
- Switching on the heating element and / or the heating conductor can cause an air flow along the intermediate layer in the intermediate layer.
- Such an air flow in the intermediate layer can also be induced by other heating of the seat, which is caused in particular by solar radiation or by a passenger sitting on the seat.
- Additional, also mechanically sensitive or stiff functional elements can be arranged in the free space within the respective support elements or between several support elements without being damaged or disturbing the passenger.
- an increase in the efficiency of existing seat heating elements with regard to the time response (heat sensation), heat distribution and temperature control can be achieved.
- the invention enables a highly automated production of surface heating elements with a simultaneously variable design.
- the response behavior of the heating can be increased even further by ventilation.
- PTC semiconductor components as heating components, the product includes the function of independent overheating protection or independent temperature control without additional electronic controllers.
- PTC means positive temperature coefficient.
- a PTC conductor is therefore a PTC thermistor or a conductor whose electrical resistance increases with temperature.
- FIG. 1 shows a schematic perspective illustration of a cushion core
- FIG. 2 shows a further schematic perspective illustration of a cushion core
- FIG. 3 shows a schematic perspective illustration to illustrate different variants of a base layer
- FIG. 4 shows a schematic perspective illustration of a cushion of a vehicle seat
- FIG. 5 shows a sectional view of the vehicle seat according to FIG. 4,
- FIG. 6 shows a sectional view of a first construction variant of the cushion core
- FIG. 7 shows a sectional view of an alternative construction variant of the cushion core
- FIG. 8 shows a sectional view of a further alternative construction variant of the cushion core
- FIG. 9 shows a first embodiment of a support element in a perspective view
- FIG. 10 shows a further embodiment of a support element in a perspective view
- FIG. 11 shows a carrier layer with supporting elements incorporated therein in a schematic representation
- FIG. 12 shows a construction variant of an intermediate layer with deepened and raised surface areas
- FIG. 13 shows an embodiment of a cover layer with a surface structure applied thereon
- FIG. 14 shows a first variant of a vehicle seat with a ventilation device arranged thereon
- FIG. 15 shows an alternative variant of a ventilation device connected to the intermediate layer
- FIG. 16 shows a schematic illustration to illustrate an air duct
- FIG. 17 shows a further illustration of a vehicle seat with a heating element applied to its upper side
- FIGS. 18 to 21 different representations for coupling the ventilation device to the intermediate layer
- FIGS. 22 and 23 alternative construction variants of the base layer with supporting elements or guide elements applied thereon
- Figure 24 is a schematic sectional view to illustrate an alternative coupling of the ventilation device to the intermediate layer
- Figure 25 is a schematic sectional view of a vehicle seat with a device according to the invention.
- Figure 26 shows another embodiment of the invention in perspective view
- FIG. 27 electrical equivalent circuit diagram of the arrangement from FIG. 26
- FIG. 28 cross section through a seat with an arrangement according to FIG. 26
- Figure 29 shows a longitudinal section through a seat with details of a fastening of the ventilation device
- FIG. 1 shows a schematic perspective illustration of the basic structure of a device according to the invention for accommodating functional elements using the example of a cushion.
- the upholstery shown as a composite component comprises a lower upholstery core 22 and a base layer 8 applied thereon and connected to the upholstery core 22, which is preferably designed as a liquid-impermeable layer 76.
- the same connection is shown again in FIG. 2, the cover layer 12 being omitted here.
- the cushion core 22 can consist, for example, of polyurethane foam (PU soft foam) or, for example, of rubber hair.
- the intermediate layer 10, which acts as a distribution layer, is formed by a spacer material which is distinguished by a high air permeability transversely to the component surface and also perpendicular to it. Air can flow through the intermediate layer 10, as is illustrated by the following figures.
- the schematic perspective illustration in FIG. 3 shows different design options for the base layer 8, which can have a plurality of tracks arranged next to one another.
- the intermediate layer 10 is located above the base layer 8.
- a first web has functional elements 18, which can be configured, for example, as a filler 48.
- a second track arranged next to it comprises a support element 14 incorporated therein, which can be designed, for example, as a spiral spring or the like.
- a functional element 18 in the form of a sensor 40 and / or an actuator 46 can also be applied to this central section of the base layer 8.
- the sensor 40 can be designed, for example, as a temperature sensor.
- the third track has a guide device 42 in the form of a heating wire or the like and also a meandering support element 14.
- the cover layer 12 is only indicated above.
- FIG. 4 illustrates a possible construction of a vehicle seat 20.
- This has an inner cushion core 22, which is covered by the U-shaped base layer 8.
- the base layer 8 embodied as a liquid-impermeable layer 76 surrounds the cushion core 22 on its upper side, on its front side and on its underside.
- An intermediate layer 10 running along the base layer 8 has a functional element 18 in the form of a guide device 42, which functions as an electrical connecting line to a flat heating element 74 which is located on the cover layer 12.
- the region of the intermediate layer 10 on the upper / front side 27 of the cushion core 22 functions in the exemplary embodiment shown as a cavity 37 or as an upper air distribution device 25.
- the region of the intermediate layer 10 on the rear side 30 of the cushion core 22 likewise forms a cavity 37 and functions as the lower one Air distribution device 32.
- the front area of the intermediate layer 10 on the end face of the poster core 22 forms a cavity 37, which functions as a connecting device 35 between the upper air distribution device 25 and the lower air distribution device 32.
- FIGS 5 to 8 illustrate various alternative ways of transporting air from the underside of the upholstery to the top of the upholstery.
- FIG. 5 again illustrates the structure of the vehicle seat 20 corresponding to FIG. 4 in a schematic sectional illustration
- Upholstery core 22 drawn air distribution layer creates the air connection between the top and bottom of the upholstery. This can be achieved by a mat-like layer, which is folded over the front surface or rear side surface of the cushion core 22, so that the upper distribution layer 25, lower distribution layer 32 and air connection 35 are realized in a single, continuous component.
- the cushion core 22 is preferably rounded such that the ventilation layer cannot buckle even when a person is seated, as a result of which the air flow could possibly be impeded or interrupted.
- the upholstery upper side and the lower side of the upholstery can be connected via one or more air passages running perpendicularly in the upholstery layer 22.
- Figure 6 illustrates in a schematic sectional view a possible embodiment of the cushion core 22 of the Fahr ⁇ eugsit ⁇ es, which has vertically arranged recesses 68, which each function as connecting devices 35 between the lower air distribution device 32 and the upper air distribution device 25.
- the vertical recesses 68 in the cushion core 22 represent a connection between the lower intermediate layer 10 and the upper intermediate layer 10.
- the lower intermediate layer 10 functions here as a lower air distribution device 32, while the upper intermediate layer 10 functions as an upper air distribution device 25.
- a base layer 8, which is designed as a layer 76 that is impermeable to liquid, can be arranged between the cushion core 22 and the intermediate layer 10.
- FIG. 7 illustrates an alternative embodiment of the upholstery core 22.
- Vertical recesses 68, 68 ′ are also provided in the upholstery core 22, which function as connecting devices 35.
- the upper intermediate layer 10, which acts as the upper air distribution device 25, is in this case segmented into individual sections 70, 70 ′ of the intermediate layer 10.
- the lower intermediate layer 10, which is designed as a lower air distribution device 32, is designed in the same way as in FIG. 6 as a continuous volume element.
- FIG. 8 illustrates a schematic sectional illustration of a possible configuration of the intermediate layer 10, which has a series of support elements 14, which are each designed as tubular springs 50. These serve as the upper air distribution device 25, since the space 38 surrounded by them is hollow. Above is a heating element 74 which is covered by a thin layer of cushion. The seat cover 72, which at the same time forms the cover layer 12, is located thereon.
- FIG. 9 shows a schematic illustration of a spring 50, which functions as a support element 14. This spring 50 is wound spirally.
- FIG. 10 shows an alternative variant of the spring 50, which also forms a support element 14. This spring 50 is meandering.
- FIGS. 11 and 12 show two different variants of the lower air distribution layer 32.
- FIG. 11 illustrates a series of springs 50, which are arranged next to one another in a carrier layer 52 in a parallel direction to one another.
- the spiral springs 50 each form the support elements 14 in the carrier layer 52.
- FIG. 11 thus illustrates a first embodiment variant of the lower air distribution layer 32, which is formed by a flat material. This creates large cross-sections for air distribution and air conduction with a relatively low overall depth, which can typically be approximately 5 mm to 15 mm.
- This layer can be a spiral mat, which is created by gluing the spirals to the textile carrier medium (carrier layer 52).
- the carrier can preferably face the foam core or the seat structure.
- FIG. 12 illustrates in a schematic perspective representation a further possible embodiment of the intermediate layer 10, into which recessed surface areas 80 are incorporated, which are designed as channel-like areas 84. These are each separated from one another by raised surface areas 82. Inside the recessed surface areas 80 are the springs 50, which each function as support elements 14. Thus, one or more channel trenches are formed on the underside of the foam and run parallel to the lower surface of the foam. The channel trenches are supported by means of spirals to prevent them from collapsing when a person is seated.
- the channels can be in run parallel or, starting from a center, at which the ventilation device 60 or the fan is located, lead in a star shape to the different cushion areas.
- the channel shape can be either semicircular, rectangular or trapezoidal.
- the layer can be formed by a spiral structure mat, which is created by gluing the spirals to a textile carrier medium.
- the carrier can face the foam core or the seat structure.
- the layer can also be formed by one or more layers of spacer fabrics.
- the knitted fabric is produced by punching on the desired contour of the ventilation field.
- the upper air distribution layer 25 can optionally also consist of a flat-shaped rubber hair body, of a bristle mat or of other materials through which air can flow.
- a further alternative embodiment can provide that the cushion core has a structured, knob-like surface.
- An additional molded foam part with a structured surface can also be glued to the foam body.
- the molded foam part can be made from reticulated (open-cell, air-permeable) foam.
- the structure can then also face the foam core. This means that the structure is less marked on the reference surface.
- the structuring can be produced by embossing the foam or by removing material (milling).
- FIG. 13 shows a further possible configuration of the cover layer 12, which has raised surface structures 54.
- the ventilation of the seat contact surface using the cushion element described above can be implemented in different ways.
- a ventilatable embodiment of the vehicle seat 20 is illustrated by the schematic sectional illustration in FIG. 14.
- the vehicle seat has a cushion layer 22 and an intermediate layer 10 enveloping it on at least three sides. This is located at least between the upper air distribution device 25 and the cushion layer 22 Base layer 8 designed as a liquid-impermeable layer 76.
- a ventilation device 60 which provides an air supply to the intermediate layer 10.
- the ventilation device 60 can blow air into the lower air distribution device 32, which is then conveyed into the upper air distribution device 25 via the connecting device 35.
- the fan can be attached to the seat structure or the cushion part itself.
- the lower ventilation layer has an air inlet opening.
- FIG. 15 shows a further alternative embodiment of the vehicle seat, in which the ventilation device 60 is arranged on a narrow side of the intermediate layer 10.
- the ventilation device 60 opens at the upper air distribution device 25.
- FIGS. 16 and 17 show different flow paths of the air flow introduced into the intermediate layer 10.
- 16 shows a vehicle seat without a heating device
- FIG. 17 there is a flat heating element 74 on the upper air distribution device 25.
- the lower ventilation layer 32 has an air inlet opening, while the upper layer 25 has a hidden air outlet opening. This cannot be seen and felt for the seat passenger between the backrest and seat cushion or incorporated into the backrest cover and thus directed towards the rear passenger.
- the air flow under the seat contact surface is created by natural convection, which is created in the manner of a fireplace by heating the air in the upper layer. The heating takes place through the body heat of the passenger, which is transferred to the seat cushion.
- the air in the upper distribution layer 25 can be heated by a heating medium incorporated into the layer.
- the heating of the air causes a greater temperature difference to the ambient air and thus a stronger convection.
- the warm air is more receptive to the humidity it contains.
- the heating of the air in the upper distribution layer 25 can result from the heating of the seat surface by solar radiation when the vehicle is stationary.
- the resulting air circulation prevents the cushion core 22 from heating up too much.
- the upper air distribution layer 25 has a heat-insulating effect.
- An additional heating of the sunlit cushion core 22 would namely have a thermophysiological disadvantage for the passenger when driving, since heat is supplied to the body from the thermal mass of the foam and the seat structure for a long time.
- FIGS. 18, 19 and 20 each show different configurations of the ventilation device 60 located on the vehicle seat.
- FIG. 18 illustrates a ventilation device 60 designed as an axial blower, which blows the air into the intermediate layer 10 in a direction perpendicular to the surface area.
- the opening corresponds in cross section to the air outlet opening of the fan.
- the opening in the spiral structure mat is created by a cutout in the cover layer, which is optionally supported by a frame or a grille to protect the fan rotor.
- FIG. 19 shows a radial blower which blows the air into the face along the surface extension of the intermediate layer 10.
- the fan 60 is thus attached to the end face of the distribution layer.
- An adaptation adapts the cross-sectional shape of the fan outlet to the flat inlet in the distribution layer.
- a radial fan is preferably used which has a narrower outlet than an axial fan and which blows out the air drawn in from below by 90 °.
- FIG. 20 illustrates a region 62 of the intermediate layer 10, at one end 64 of which a ventilation device 60 in the form of an axial fan is arranged which conveys the air through the region 62 to the other end 66 of the intermediate layer 10.
- FIG. 21 illustrates a region 62 of the intermediate layer 10 which has the ventilation device 60 at one end 64. The other end 66 guides the air into the entire intermediate layer 10.
- the spiral structure mat opens into an expanding connecting channel which is supported by circular spirals with increasing diameters.
- the cross section of the inlet opening at the end of the duct corresponds to the air outlet opening of the fan.
- the channel can optionally also be formed by the continuation, expansion and interlacing of the spirals from the spiral structure mat.
- FIG. 22 illustrates a schematic top view of the base layer 8, which has incorporated guiding devices 42 and heating conductors 44.
- support elements 14 are provided which hold the respective heating conductor 44 in its position.
- FIG. 23 illustrates a heating conductor 44, which is fixed on the base layer 8.
- the heating conductor is laid helically on the base layer 8.
- the support elements 14 form a number or a plurality of elongate intermediate spaces 88, 88 'which are parallel to one another.
- a guide device 42 in the form of an insulated heating conductor 44 runs in the spaces 88, 88 '.
- the heating conductor 44 is fixed to the base layer 8 at a transition 92 from one intermediate space 88 into the other intermediate space 88 ′.
- this fixation takes place by means of strips 94 made of adhesive material, which are each arranged perpendicular to the spaces 88, 88 '. It can also be provided that the strips 94 are designed as electrodes.
- FIG. 24 illustrates a possible connection between the ventilation device 60 and the connection device 35 of the intermediate layer 10, which is arranged around the cushion core 22.
- FIG. 25 illustrates an air conditioning device 2 that can be inserted into a recess 86 in the cushion core 22.
- Figure 26 shows a particularly preferred embodiment.
- a base layer 8 (alternatively the cover layer 12) is shown, on which a multiplicity of support elements 14 are arranged.
- the support elements 14 have the shape of elongated spirals which are arranged approximately parallel to one another with respect to their longitudinal axes.
- An electrical conductor 43 runs along the longitudinal axis of a respective support element 14. This conductor 43 is surrounded by the support element 14 and is therefore well protected against external forces.
- the electrical conductor 43 can be a heating cable. In the present case, however, it is a flat cable, preferably a two-wire one.
- At least one electrical heating module 47 is preferably arranged on each electrical conductor 43.
- a plurality of heating modules 47 are preferably mounted on a respective electrical conductor 43, preferably at regular intervals. These are preferably PTC elements, for example made of barium titanate semiconductor ceramics.
- the heating modules 47 of an electrical conductor 43 are preferably contacted electrically in parallel to one another.
- FIG. 27 shows the electrical equivalent circuit diagram of the arrangement from FIG. 26.
- the plurality of electrical conductors 43 are connected to a power source via a common bus 45 to form a comb-like conductor structure.
- the collecting line 45 runs approximately perpendicular to the electrical conductors 43 along the edge of the base layer 8 or the cover layer 12.
- Figure 28 shows the arrangement of Figure 26 installed in a vehicle seat.
- the cover layer 12 is arranged under a seat cover 72.
- the supporting elements 14 with the electrical conductors 43 contained therein and the hot components 47 run along the cover layer 12 in the intermediate layer 10.
- a fan device 60 is in fluid-permeable connection with the intermediate layer 10.
- the heating modules 47 heat up through ohmic heating.
- the characteristic increase in the heating resistance of PTC modules with increasing temperature causes a temperature limitation or self-regulation of the heating power of the module and thus determines its final temperature.
- the heat predominantly reaches the body of the passenger via the air enclosed in the intermediate layer 10 and the seat cover 72 located between a passenger 96 and the heating elements 47.
- the air layer in the intermediate layer 10 contributes to the heat distribution via convective mixing. If the fan device 60 is also used, air is conveyed through the intermediate layer 10 and the air-permeable seat cover 72 and convective heat transport to the passenger 96 is generated. This increases the rapid perception of system operation and at the same time improves the heat distribution.
- regulation of the amount of electricity, the switch-on times and the PTC effect of the heating modules can also be used to control the heating cable.
- the heating power may be regulated by regulating the air flow of the ventilation device 60.
- Higher air currents lead to a higher convective cooling of the PTC components and thus to an increase in the heat generated by lowering the resistance.
- the physiologically effective heating output also increases in a certain air volume flow range.
- a delayed activation of the fan after a preheating phase of the PTC modules can be provided. This can also contribute to an increase in the subjectively perceived response behavior of the car seat heating. At the same time, ventilation of the passenger with initially cold air in the seat is avoided. High starting currents of the PTC modules may make a series-connected unit necessary to limit the current (example NTC semiconductor module) so that the vehicle electrical system is not overloaded.
- FIG. 28 shows details of a fastening of a ventilation device 60 to the intermediate layer 10.
- An intermediate layer 10, a cover layer 12 and a seat cover 72 are arranged on a cushion core 22.
- a recess 68 is provided approximately in the center of the cushion core 22 and penetrates the cushion core 22 from the side of the cushion core 22 facing away from a passenger 96 to the intermediate layer 10.
- a fan device 60 is arranged in the recess 68 in order to feed air into the intermediate layer 10 from the side of the cushion core 22 facing away from the passenger 96.
- An anchor 97 is provided for fastening the fan device 60 to the intermediate layer 10. This has a fastening device 100 on the fan device and a holding device 98 on the intermediate layer 10.
- the fastening device 100 is a cable tie, which engages in a few turns of at least one support element 14 of the intermediate layer 10 in order to bind the fan device 60 to the intermediate layer.
- This type of attachment is at the same time stable, inexpensive and sufficiently flexible with mechanical Burden.
- hooks or clips would also be conceivable, which fix the fan device 60 to a support element 14 or a corresponding component.
- the holding device 98 is a short connection piece, which is fastened - preferably welded - to at least one support element 14. This guides the fan device 60 into the intended position during assembly and locks it in its end position.
- a flange or a similar mechanical assembly interface can also be provided.
- the anchoring 97 preferably also has a vibration damper 99. As in the exemplary embodiment, this can be formed by suitably loosely set cable ties. However, vibration absorbers made of rubber in the form of plates or pins are preferably used. These are preferably arranged between the fan device 60 and the intermediate layer 10.
- Dehumidification of the seat surface can be improved by an intermediate moisture buffer in the upper spacing medium, for example in the area of the upper cover layer 12. Such dehumidification can have an advantageous effect, in particular when a person who is more perspiring enters, since moisture or water vapor accumulating on the seat contact surface can be quickly absorbed by the cushion.
- the buffer is continuously emptied and dehumidified by the ventilation and heating of the cushion.
- the buffer can be introduced into the layer in various ways.
- the spiral interstices and / or the spiral interiors can be filled with moisture-absorbing granules, for example with activated carbon.
- the spiral surface can also be dusted with moisture-adsorbing powder. Adhesion of the powder can be ensured, for example, by melting the spiral surface or using an adhesive coating.
- the spiral mat can also be provided with a moisture-absorbing fleece cover layer.
- the air distribution layers (intermediate layers 10) must be firmly connected to the cushion core 22 in order to prevent the layers from slipping during cover assembly (upholstery) and when using the seat.
- this connection can be established in different ways.
- the distribution layer can be foam process can be introduced (foaming). This ensures that the layer adheres to the entire surface.
- a separating layer made of foil or dense textile prevents the liquid foam from penetrating in the manufacturing process and keeps the channels (spiral channels) open.
- the separating layer can optionally replace all or part of the downward facing support layer of the spiral mat.
- the distribution layer can be introduced in the form of a mat, which is inserted into depressions in the foam core.
- the depressions form a negative of the outer shape of the mat.
- the form fit prevents the mat from slipping.
- brackets in the form of claws, hooks or Velcro fasteners are attached to the foam core. These brackets are preferably attached or foamed to the foam core by the molded foam process. The brackets engage the microstructure of the distribution layer or the support elements.
- the distribution layer can be attached to the foam core by an adhesive connection.
- the carrier layer facing the foam surface can have a contour protrusion from the spacer medium.
- the protruding edge of the textile or film-like layer is connected to the foam core with an adhesive.
- a molded foam part with a comfort layer in the area of the seat contact surface can be designed in various ways.
- a heating medium can be connected flat to a spacing medium.
- This composite covers the upper side of a molded foam core facing a passenger.
- the heating medium forms the outer layer facing the surface.
- the comfort composite is preferably introduced into the manufacturing process within the molded foam, as a result of which a stable, adhesive-free and full-area connection can be formed.
- the heating medium can also be an integral part of the spacing medium.
- a relatively flexible material with a pronounced compression hardness and with a pronounced resilience behavior is particularly suitable as a spacing medium, so that the Insertion of a passenger on or in the upholstery, defined clearances are retained. Nevertheless, the medium should be able to adapt to any contour in the foam relatively easily and be able to pass on pressure loads to the foam without any appreciable distribution, so that the seating comfort for the passenger is not impaired by the medium.
- the layer can be formed, for example, by a spiral structure mat. This spiral mat is created by gluing the spirals (support elements 14) to a textile carrier medium (carrier layer 52, cf. FIG. 13).
- carrier layer 52 can face the foam core or the seat structure.
- the layer can also be formed by one or more layer spacers.
- the knitted fabric can be produced by punching on the desired contour of the ventilation field.
- the layer can consist of a flat-shaped rubber hair body, of a bristle mat or of other materials through which air can flow.
- the cushion core 22 can have a structured, knob-like surface.
- an additional molded foam part with a structured surface can also be glued to the foam body.
- the molded foam part can be made in particular of regulated (open-cell, air-permeable) foam. This structure can point towards the foam core if necessary. This means that the structure is less marked on the reference surface.
- the structuring can be produced by embossing the foam or by removing material (e.g. by milling).
- the flat heating medium can be connected to the spacing medium in a lamination process by means of an adhesive layer.
- a thermally or superheated steam activatable adhesive fleece is preferably used.
- the flat heating medium can consist of a heating conductor which is laid and glued on a flat carrier. It can also be formed from a network of parallel carbon fibers, which is applied to a textile carrier in a sewing-knitting process.
- the heating medium can optionally also be designed as a metallic coating on a carrier film.
- an alternative variant of the heating medium can comprise a conductive plastic layer.
- the plastic is characterized by a decrease in the specific conductivity with increasing temperature (PTC).
- the heating current flows between two Electrode layers perpendicular to the upholstery surface.
- the heat output can therefore differ regionally according to the heat dissipation.
- the loops can be fixed to the carrier by means of adhesive dots at the turning points or can be held on an adhesive sheet on a protruding edge of the carrier.
- thermoplastic surface of the spirals made of thermoplastic plastic is melted by the introduction of heat.
- the heat input can be carried out, for example, by radiation, hot air or by heating the conductors themselves. This creates adhesive points at the contact points of the conductor with the spiral, which provide a mechanical connection after the thermoplastic has hardened.
- the heating conductors can each have an insulating jacket, which as
- the connection of the spacing medium to the foam can be designed in the following way.
- the distribution layer can be mixed in (foaming) in the molded foam process. This ensures that the layer adheres to the entire surface.
- a separating layer made of foil or dense textile changes the penetration of the liquid foam in the manufacturing process and keeps the channels (spiral channels) open.
- the separating layer can completely or partially replace the upward facing support layer of the spiral mat.
- a protrusion of the separating layer also protects the side edges of the spacing medium.
- the supernatant can be wrapped around the spacer medium and fixed on the top.
- a configuration option for a spiral structure mat with filled gaps is explained in more detail below (cf. also FIGS. 11 and 12).
- a molded foam part with a comfort layer in the area of the seat contact surface can be designed in the following way.
- the comfort layer is formed by a spiral structure mat.
- the spiral mat is created by gluing the spirals to a textile carrier medium.
- the carrier can face the foam core 22 or the seat structure.
- the spirals can be glued to the carrier by melting the strips of thermoplastic material.
- the spiral structure mat itself is a limp, flexible medium with a high degree of compression hardness and great resilience, so that defined spaces are retained when a passenger is inserted. Nevertheless, the medium can easily adapt to any contour in the foam and pass on pressure loads without distribution to the foam. The medium does not impair the seating comfort of the upholstery.
- the free spaces of the spiral structure can be used for filling with comfort-effective materials. Alternatively, they can also be used for laying cables and for accommodating sensors and / or actuators.
- the cushioning properties of the unfilled spacer material should be largely preserved, which is why only a part of the available volume is filled.
- This filling can consist, for example, of balls, flakes or granules.
- beads made of heat-insulating styrofoam or polystyrene can be used as filling material. This means that the foam core heats up less when the sun is shining while the vehicle is stationary.
- the heat stored in the upholstery core has a thermophysiological disadvantage for the passenger during driving.
- the upper layer is also heat-insulating in winter conditions, so that less body heat is conducted to the foam core in the cold vehicle seat.
- the filling can also consist, for example, of moisture-adsorbing granules, for example activated carbon, which can be used to improve the comfort of the seat.
- Recycled foam flakes are also suitable as a filling, which can ensure good upholstery comfort and sufficient resilience.
- a granulate-foam flake mixture as filling ensures good upholstery comfort, sufficient resetting behavior and improved seating comfort.
- the filling can also consist of animal and / or vegetable natural fibers, which can likewise bring about an improvement in sitting climate comfort and thermal comfort.
- the free spaces in the spiral mat can be used to hold sensors.
- sensors for so-called seat occupancy detection are suitable for this. If they are film-like, these are preferably arranged under the spiral mat.
- the spiral mat has the property of passing the printing information downwards. This protects the sensors from damage that could result from seat use when installed close to the cover or close to the surface.
- temperature sensors for seat heating and / or climate control for controlling seat air conditioning systems, thermostats for seat heating and / or control switches or pressure sensors for operating seat adjustments and other electromechanical comfort elements can also be used as sensors.
- the free spaces in the spiral mat can be used to hold actuators, e.g. for massage motors.
- the free spaces in the spiral mat can also be used to hold cables (control devices 42, heating conductors 44). This protects the cables from damage during assembly and when using the seat. Furthermore, the lines are not noticeable to the user and do not become apparent on the upholstered surface during use.
- Such conductors include, in particular, heating conductors, round cables for the supply of seat heating and / or seat adjustments, ribbon cables for the supply of seat heating and / or seat adjustments, supply hoses for pneumatic seat adjustments and / or fluid-carrying hoses for seat heating and / or for seat cooling devices ,
- a layer referred to as a comfort layer, which is continuously drawn over the foam core, creates the connection between the upholstery top and the bottom side of the cushion.
- This can be achieved by a mat-like component (intermediate layer 10), which is folded over the front surface or rear side surface of the cushion core 22.
- the cushion core 22 is rounded in such a way that even when a person is inserted, the layer cannot buckle and thus the lines guided in the layer can be damaged. Furthermore, the cable routing is concealed by this and can still be felt by the user (see, for example, FIG. 4).
- the support layers for the spiral medium can have the following properties.
- the cover layer can be formed by a textile medium or by foam so that the filling granulate, the lines, the sensors or the spirals themselves can be prevented from being drawn through to the upholstery surface.
- This top layer can be coarse-meshed or open-celled. However, the granulate parts should not be able to penetrate the top layer even when the seat is in use.
- the cover layer can also be vapor-permeable and water-repellent, in order to protect media and components lying beneath the layer from the ingress of liquid and at the same time to maintain the climatic comfort of the seat.
- cover layer which additionally improve the upholstery properties of the seat and the feel of the upholstery surface.
- cover layer can be fleece, textiles, foams or foils. Restrictions in the selection arise due to the implementation of an adhesive connection to the spiral medium.
- the cover layer can also have a translucent film in connection with a perforated reference surface and a light medium in the seat, so that the upholstery surface can be illuminated. This lighting can be used to visualize control element positions, sensor positions and / or the functional state of a comfort element.
- Such lighting can also be used to achieve an optical enhancement of the seat design.
- the geometric and constructive freedom of the spiral structure allows a substitution of the entire foam core.
- the thermoplastic deformability enables the processing of the surface profile as the last manufacturing step.
- the composite of upholstery fabric and base fabric itself can be used as the carrier layer for the spiral medium.
- the entire seat upholstery, consisting of the upholstery core, cover and spring base, is thus replaced by a single unit.
- An air conditioning device for a passenger compartment of a vehicle can be provided, with a base layer 8, with a cover layer 12 facing a passenger 96, which is arranged at least partially covering the base layer 8, with an intermediate layer 10, which is between the base layer 8 and the cover layer 12 is arranged and which has at least one support element 14 in the form of a coiled spring, which keeps the base layer 8 and the cover layer 12 at a distance from one another in order to keep a cavity 37 clear between the two, the air-conditioning device having at least one electrical conductor 43, which in the Cavity 37 are arranged.
- the air conditioning device has at least one electrical heating element 49 and that the electrical conductor 43 and / or the electrical heating element 49 are formed by a hot conductor 44.
- the electrical conductor 43 runs at least partially along the support element 14, preferably inside and / or outside the space 3 surrounded by the support element 14.
- a plurality of electrical conductors 38 or conductor sections 41, 41 ' are provided, which are electrically connected in parallel to one another and / or are laid approximately in parallel with one another, and which are connected via at least one common collecting line 45 and / or by alternate connection the ends of a conductor section 41 are connected to each other with one end of adjacent conductor sections 41 '.
- At least one conductor 43 is equipped with at least one heating module 47, which preferably has a heating resistor with a PTC characteristic, preferably with a semiconductor ceramic with barium titanate. It can be provided that at least one conductor 43 is equipped with a plurality of heating modules 47, which are preferably connected electrically in parallel to one another.
- the electrical conductor 43 is formed by a flat cable and / or a flat conductor.
- the device has a fan device 60 which is attached to the support element 14 via an indirect and / or direct anchorage 97.
- the anchoring has a holding device 98 - in particular a welded-on holding plate or a guide socket - on the at least one support element 14, on which the ventilation device 60 can be mounted, that the ventilation device 60 has a fastening device 100 - in particular hooks, clips or Cable tie -, by means of which the ventilation device 60 can be fastened to the at least one support element 14, and / or that the anchoring 97 has at least one vibration damper 99 ', which dampens a transmission of vibrations from the fan device 60 to the support element 14, preferably in the form of rubber cones.
- the heating power of the heating element 49 is regulated via the PTC characteristic of the heating element 49 and / or the volume flow of the ventilation device 60.
- Device 60 fan device, unit
- Interlayer 64 one end of the area
- Support element 68 recess in the cushion core
- Front of the cushion core 82 increased surface area
- Connection device 88 intermediate space between support elements
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Resistance Heating (AREA)
- Seats For Vehicles (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2005501725A JP4018717B2 (ja) | 2003-03-17 | 2004-03-17 | 機能要素を受容するための受容装置 |
US10/549,517 US7695062B2 (en) | 2003-03-17 | 2004-03-17 | Device for receiving functional elements |
DE112004000883T DE112004000883D2 (de) | 2003-03-17 | 2004-03-17 | Vorrichtung zur Aufnahme von Funktionselementen |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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DE10311861.6 | 2003-03-17 | ||
DE10311861 | 2003-03-17 | ||
DE20320371U DE20320371U1 (de) | 2003-03-17 | 2003-06-10 | Vorrichtung zur Aufnahme von Funktionselementen |
DE20320371.2 | 2003-06-10 |
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WO2004082989A2 true WO2004082989A2 (de) | 2004-09-30 |
WO2004082989A3 WO2004082989A3 (de) | 2004-12-23 |
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PCT/DE2004/000540 WO2004082989A2 (de) | 2003-03-17 | 2004-03-17 | Vorrichtung zur aufnahme von funktionselementen |
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US (1) | US7695062B2 (de) |
JP (1) | JP4018717B2 (de) |
DE (1) | DE112004000883D2 (de) |
WO (1) | WO2004082989A2 (de) |
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- 2004-03-17 JP JP2005501725A patent/JP4018717B2/ja not_active Expired - Fee Related
- 2004-03-17 DE DE112004000883T patent/DE112004000883D2/de not_active Expired - Fee Related
- 2004-03-17 WO PCT/DE2004/000540 patent/WO2004082989A2/de active Application Filing
- 2004-03-17 US US10/549,517 patent/US7695062B2/en not_active Expired - Fee Related
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8288693B2 (en) | 2004-03-08 | 2012-10-16 | W.E.T. Automotive Systems Ag | Flat heating element |
US9241373B2 (en) | 2007-10-18 | 2016-01-19 | Gentherm Gmbh | Air conditioning device for seats |
DE102007056465B4 (de) * | 2007-11-22 | 2010-06-02 | I.G. Bauerhin Gmbh | Kraftfahrzeugsitz mit Sitzheizung |
US10377276B2 (en) | 2007-12-10 | 2019-08-13 | Gentherm Gmbh | Seat conditioning module and method |
US11377006B2 (en) | 2007-12-10 | 2022-07-05 | Gentherm Gmbh | Seat conditioning module |
US9085255B2 (en) | 2008-04-08 | 2015-07-21 | Gentherm Gmbh | Ventilation means |
US8777320B2 (en) | 2008-12-21 | 2014-07-15 | W.E.T. Automotive Systems Ag | Ventilation system |
US9415712B2 (en) | 2008-12-21 | 2016-08-16 | Gentherm Gmbh | Ventilation system |
EP2528773A1 (de) * | 2010-01-27 | 2012-12-05 | Johnson Controls GmbH | Verfahren zur herstellung eines hybrid-polsterelements, insbesondere eines sitz- und lehnenpolsterelements zur verwendung in einem kraftfahrzeug, ein polsterelement und ein fahrzeugsitz mit einem polsterelement |
US9434286B2 (en) | 2010-01-27 | 2016-09-06 | Johnson Controls Technology Company | Method for producing a hybrid cushion element, in particular a seat and backrest cushion element for use in a motor vehicle, cushion element and vehicle seat having a cushion element |
EP2528773B1 (de) * | 2010-01-27 | 2019-07-17 | Adient Luxembourg Holding S.à r.l. | Verfahren zur herstellung eines hybrid-polsterelements, insbesondere eines sitz- und lehnenpolsterelements zur verwendung in einem kraftfahrzeug, ein polsterelement und ein fahrzeugsitz mit einem polsterelement |
US8456272B2 (en) | 2010-07-15 | 2013-06-04 | W.E.T. Automotive, AG | Electric line |
Also Published As
Publication number | Publication date |
---|---|
WO2004082989A3 (de) | 2004-12-23 |
US7695062B2 (en) | 2010-04-13 |
JP4018717B2 (ja) | 2007-12-05 |
JP2006514571A (ja) | 2006-05-11 |
US20060267260A1 (en) | 2006-11-30 |
DE112004000883D2 (de) | 2006-02-02 |
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