JP4184330B2 - Air distributor - Google Patents

Description

The present invention provides an air distribution device according to the preamble of claim 1 , ie an air comprising an air distribution layer and an associated layer arranged in the air distribution layer for distributing air to an assembly in a vehicle cabin. It relates to a distribution device .

This type of device is used for , for example, an air-conditioning seat, and distributes air on the seat surface below the seat cover to flow toward the passenger.

  In the air-conditioning sheet known from Patent Document 1, a ventilation layer made of an air-permeable porous material is sewn between a seat cushion and a cover. Furthermore, in Patent Document 2, a planar heating element is provided between this type of ventilation layer and the cover. This type of sheet is very cumbersome to manufacture because several layers must be partially sewn together. Also, the positioning of the ventilation layer on the cushion is very inaccurate.

  In the seat known from Patent Document 3, an insertion member made of a knitted material is used instead of a part of the cushion of the seat. Air is supplied to these insertion members. This type of insert may come off and a separate fastening element is required.

DE19628698 DE19726810 EP1352780

  It is an object of the present invention to provide an air distribution device that can be easily installed, logistically easily managed and operates reliably.

This problem is solved by the air distributor according to claim 1. Other advantageous configurations are evident from the dependent claims .

  Next, the present invention will be exemplarily described with reference to some embodiments and the drawings.

1 and 2, a cushion 6 is provided on an assembly 30 in a vehicle interior , for example, a seat 31. This cushion has a pull-out portion 35 on the occupant side. This pull-out portion 35 is defined by a cushion raised portion 41. The repeated vent portion 35 of the cushion ridges 41 recess 7 is provided on the reverse side. The withdrawal portion 35 and the cushion raised portion 41 are provided in the first cushion zone 6a.

Has been also provided a second cushion zone 6b, cushion zone 6b of the second is being formed in the same manner as the first cushion zone, contains Repetitive vent portion 35 ', the cushion ridges 41 and recesses 7 It is out . However, for example, it is advantageous that the base surface of the second cutout portion 35 ′ is different from that of the first cutout portion 35. An air distribution device 20 is placed on the cushion 6. The air distribution device 20 has an air distribution layer 4. The air distribution layer 4 is formed , for example, from a separate knitted fabric (as shown ), rubberized bristles or foam, or from a number of spirals arranged side by side, or through which air can flow. It is formed from other materials.

In the present embodiment, air distribution layer 4 includes two portions 43, 43 'which are spaced-apart from each other are separated from each other. These portions substantially corresponds to the base surface of the counterbore punched portion 35, 35 'relates to the base surface. The thickness of the portions 43 and 43 ′ substantially corresponds to the depth of the punched portions 35 and 35 ′. The portions 43, 43 ′ are arranged to be received by the punched-out portions 35, 35 ′. In this embodiment, both parts 43 and 43 'consist of the same material, and are comprised similarly. However, to optimize cushion hardness or load carrying capacity, for example, both parts may have different elasticity or different materials or different material thicknesses , for example.

The air distribution layer 4 is provided with an accompanying layer 2a. The associated layer 2a is on the opposite side of the air distribution layer 4 from the cushion 6. The associated layer 2 a protrudes at least partially from the base surface of the air distribution layer 4. The protrusion 25 formed in this way is provided with an attachment surface 5. In the illustrated embodiment, the attachment surface 5 extends in a ring around the portions 43, 43 ′ of the air distribution layer 4. The adhering surface 5 is suitably formed by a tape made of an adhesive film. The associated layer 2a may be formed only by the adhesion surface 5. However, in the present embodiment, the accompanying layer 2a has the cushion layer 3 made of a cushion material. Furthermore, a planar heating element 2b is arranged on the associated layer 2a. The cushion layer 3 and the heating element 2b may be bonded, stitched, knitted or woven together. The portions 43, 43 ′ and the associated layer 2a are such that the entire surfaces of the portions 43, 43 ′ are embedded in the cushion zones 6a, 6b, and the associated layer 2a is between the cushion zones 6a, 6b. It arrange | positions mutually so that the bottom of the recessed part 7 may be reached. The recess 7 is a load removal hole in this embodiment. The adhesion layer 5 is adhered to the raised portion 41. Thereby, it is ensured that the raised portion 41 and the air distribution layer 4 move without a step, and the air distribution layer 4 is firmly fixed so as not to come off.

  The air distribution device 20 has a lower flow resistance and an air flow rate in the direction along the air distribution layer than in the direction intersecting the air distribution layer, particularly in the air distribution layer 4. Further, the air distribution layer 4 has high vapor permeability and / or air permeability in a direction perpendicular to the air distribution layer 4. The air distributor 20 is covered by the cover 1. The cover 1 may be glued on the cushion 6 and the air distributor 20. In the present embodiment, the cover 1 is fixed along the recess 7 by sewing.

3, the sheet 31 in other embodiments, the cushion 6 with a counterbore cut-out portion 35, illustrates the air distribution device 20. These substantially correspond to the first embodiment, but the air guiding layer 4 to be used has only one portion 43.

  A duct 47 that receives the electrical connection cable 9 of the air distributor 20 is provided in the drawing-out portion 35. The duct 47 extends through the cushion 6 from the base of the withdrawal portion 35 and protrudes from the cushion 6 again at an appropriate location such as the back surface or the end surface.

An opening 49 is further provided in the drawing-out part 35. The opening 49 is for allowing air to flow therethrough, and allows the air distribution layer 4 to communicate with the periphery of the sheet 31. Therefore, it is expedient for the opening 49 to extend as directly and linearly as possible to the opposite side of the cushion 6 from the air distributor 20.

Ventilation means 8 is provided in the opening 49. Ventilation means 8 for guiding the air to the air distribution device 20, or Ru are used from the air distribution device 20 to draw air.

The other functional elements, such as air distribution layer 4 and the attachment surface 5 and the electrical heating element 2b, easily operable, it is clear that it is formed as assemblies with a single entity. This assembly, repeated simple interpolation Chakudeki into the cut-out portion 35 is held in place by adhesion layer 5 can be continuously fixed thereto.

Figure 4 illustrates the embodiment of the air distribution device 20 corresponding to the first embodiment. In the plan view, the conductive wire 11 can be seen. The conductive wire 11 extends from the first portion 43 of the air distribution layer 4 toward the second portion 43 ′. The conductive wire 11 is fixed to the associated layer. The conductive wire 11 does not extend linearly from the said part to the other part at the shortest distance, but rather its main extending direction forms an angle with respect to the possible shortest connection mode, and around this main extending direction. Meandering. Since the conductive wire 11 has sufficient free movement space in this way, the load removal hole or other concave portion 7 and the joint can be bridged and damaged by overextension or breakage during loading. There is no. The present invention is not limited to a sheet form suitable, for example, arm rests, door panels, can be implemented with respect to the dashboard.

  The air distributor 20 may have a wet intermediate storage layer, for example a fleece containing activated carbon particles. Furthermore, the air distribution device may be equipped with sensors, ventilators or other functional elements. Cushion reinforcement elements or multilayer foam can also be placed in the air distribution device. Molded members made of rubberized hair are particularly suitable for the sheet surface area.

  As another fixing mode, a part of the magic tape (registered trademark) may be foam-molded in the cushion, and a corresponding member may be provided on the attachment surface of the air distribution device, or an air distribution layer and It is also possible to produce the associated layer from a fiber material that can be attached in a Velcro manner. In this case, Velcro (registered trademark) type attachment is performed instead of adhesion.

1 is a cross-sectional view of a seat provided with a first embodiment of an air distributor according to the present invention. It is a longitudinal cross-sectional view of the sheet | seat of FIG. It is the perspective view which showed 2nd Embodiment in the open state. It is a top view of the air distribution apparatus of 1st Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cover 2a Incident layer 2b Heating element 3 Cushion layer 4 Air distribution layer 5 Adhering surface 6 Cushion 6a Cushion zone 6b Cushion zone 7 Recessed part 8 Ventilation means 9 Connection cable 11 Conductive wire 15 Associated layer 20 Air distribution apparatus 25 Protrusion part 30 Assembly 31 Seat 35, 35 ′ Pull-out part 37 Cushion zone edge 39 Boundary region 41 Cushion raised part 43, 43 ′ part 45 Connection path 47 Power supply duct 49 Air distribution opening

Claims (7)

In an air distribution device (20) comprising an air distribution layer (4) and an accompanying layer (2a) disposed in the air distribution layer in order to distribute air to an air conditioning seat in a vehicle interior of the vehicle,
The seat includes a cushion (6), and the cushion (6) is provided with at least one withdrawal portion (35, 35 ') for receiving the air distribution layer (4);
The air distribution layer (4) has a size corresponding to the base surface of the punched portion (35, 35 ') and a thickness corresponding to the depth of the punched portion (35, 35') at least at the edge. And made of a material having high vapor permeability and / or air permeability in a direction perpendicular to the air distribution layer (4),
The accompanying layer (2a) has a cushion layer made of a cushion material covering substantially the entire surface of the air distribution layer (4), and protrudes from the base surface of the air distribution layer (4), or at least one adhesive surface or attachment surface having a surface fastener (5) an air distribution device according to claim you to form the air distribution layer (4) arranged on the side a protruding portion (25). The sheet is further seen contains a cover (1), the air according to claim 1, wherein said that the air distribution layer (4) is arranged between said cushion (6) and the cover (1) Dispensing device. The cushion (6), said cushion (6) separate cushion zones separated by the recess (7) in (6a, 6b) are composed of, at least one of the cushion zones (6a, 6b) , the air distribution layer (4) and substantially the same size as the repeated bleeding portion (35, 35 ') is provided, wherein the repeat cut-out portion (35, 35') is at least partly the cushion zones ( 6a, 6b) reaching the edge (37) and defined by a ridge (41) in the cushion at least in the boundary region (39) on the attachment surface (5) side. Item 3. The air distributor according to item 1 or 2.   At least two portions (43, 43 ′) of the air distribution layer (4) are disposed on the associated layer (2a), which are at least partially separated from each other and spaced apart from each other. The air distributor according to any one of claims 1 to 3.   At least one conductive wire (11) extends from the first portion (43) of the air distribution layer (4) to the second portion (43 ′), and its connection path (45) is the two portions. The air distributor according to claim 4, wherein the air distributor is different from the shortest connection path of (43, 43 ′).   6. The attachment surface (5) according to any one of the preceding claims, characterized in that the attachment surface (5) is provided over a length of at least half the edge length of the base surface of the air distribution layer (4). Air distribution device. Air distribution device according to any one of claims 1 to 6, planar heating element (2b) is characterized in that it is disposed in the air distribution layer (4).

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