JP2010240045A - Vehicle seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an occupant with a plurality of conveniences with other functions by utilizing the configuration of an air conditioning device mounted inside a vehicle seat and an unused space of a support base. <P>SOLUTION: The vehicle seat includes a seat cushion 20 and the support base 40 for supporting the seat cushion 20 with a support surface at a height position separated from a body floor F. A blower 50 capable of blowing out air is mounted inside the support base 40. The blown air K from the blower 50 is blown toward a seat surface 21 from inside the seat cushion 20 via an air distribution path configured in the support base 40. In addition, a storage space is formed in the support base 40, so that the blown air K from the blower 50 is introduced into the storage space. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vehicle seat.

  Conventionally, as shown in Patent Document 1, an air conditioner is built in a seat of a vehicle seat installed in a vehicle, and a warm or cool air is sent out from the inside of the seat toward the seat surface to the seated person. Vehicle seats that provide a comfortable temperature environment are known. Further, there is known a vehicle seat having a support base that supports a seat cushion that serves as a seating surface of a seated person at a height position that is separated from the vehicle floor, and an air conditioner is mounted on the support base. The interior is known.

JP 2006-69376 A

However, the above-described vehicle seat only provides a comfortable temperature environment for the seated person, and is not utilized for other purposes. In addition, only an air conditioner is provided between the support surface that supports the seat cushion of the support base and the vehicle body floor, and there is a further improvement that the space of this support base is not effectively utilized. Was.
Therefore, as a result of intensive studies, the present inventor can provide other functions and provide a plurality of occupants with a plurality of functions as long as the conventional air conditioner arrangement and the space where the support base is not used can be used. Convenience can be provided. In addition, the vehicle interior space can be effectively used. In addition, attention was paid to the fact that an air conditioner for a seat on which no occupant is seated can be used effectively.

  Thus, the present invention was devised in view of the above points, and the problem to be solved by the present invention is the arrangement of the air conditioner installed in the vehicle seat and the support base. It is to provide a passenger with a plurality of conveniences by providing other functions by using an unused space.

In order to solve the above problems, the vehicle seat of the present invention takes the following means.
First, a first invention has a seat cushion that serves as a seating surface for a seated person, and a vehicle having a support base that supports a seat cushion that supports the seat cushion at a height position that is separated from the vehicle body floor. The support base is equipped with a blower capable of blowing air, and the blown air of the blower is seated from the inner side of the seat cushion through an air distribution path formed in the support base. It is configured to be able to blow toward the surface portion, and further, an accommodation space portion is formed in the support base, and the blowout air of the blower is introduced into the accommodation space portion. It is characterized by that.

  According to this 1st invention, it becomes the structure by which the blowing air of an air blower is introduce | transduced into the accommodation space part. Therefore, the accommodation space can be a space whose temperature can be adjusted by the temperature of the blown air. Further, the accommodation space can be provided with a temperature adjustment function without impairing the function of providing a comfortable temperature environment for the seated person, and a plurality of conveniences can be provided to the passenger. In addition, the vehicle interior space can be effectively used. In addition, it is possible to effectively use an air conditioner for a seat on which no occupant is seated.

  Next, according to a second invention, in the first invention described above, the accommodation space formed in the support base is formed by a box, and the box is installed detachably from the support base. It is characterized by being.

  According to the second aspect of the invention, the housing space is formed by a box, and the box is configured to be removable from the support base. Thereby, for example, the accommodation space portion of the box can be formed and connected to a size that cannot be installed in the seat, and the accommodation capacity can be improved. In addition, the housing space can be removed from the air distribution path of the support base and can be installed outside the vehicle seat when the connection state can be extended. Can be improved.

  Next, according to a third aspect of the present invention, in any one of the first and second aspects described above, the air distribution path has a heat exchanger for heating or cooling the blown air. Features.

  According to the third aspect of the invention, the air distribution path has the heat exchanger that heats or cools the blown air. Therefore, a more comfortable temperature environment can be provided to the seated person by heating or cooling the blown air with this heat exchanger. For example, in the case of being mounted on a support base of a vehicle seat, it can be applied to functions such as a hot / cold storage and a hot / cold cup folder. Moreover, when installing outside a vehicle seat, it can be applied as a cooler box.

The present invention can obtain the following effects by taking the measures of the above inventions.
First, according to the vehicle seat of the first aspect of the invention, the air blown from the blower is introduced into the housing space. Therefore, the accommodation space can be a space whose temperature can be adjusted by the temperature of the blown air. Further, the accommodation space can be provided with a temperature adjustment function without impairing the function of providing a comfortable temperature environment for the seated person, and a plurality of conveniences can be provided to the passenger. In addition, the vehicle interior space can be effectively used. In addition, it is possible to effectively use an air conditioner for a seat on which no occupant is seated.

  Next, according to the vehicle seat of the second aspect of the invention, the housing space is formed by a box, and this box is configured to be removable from the support base. Thereby, for example, the accommodation space portion of the box can be formed and connected to a size that cannot be installed in the seat, and the accommodation capacity can be improved.

  Next, according to the vehicle seat of the third aspect, the air distribution path has a heat exchanger for heating or cooling the blown air. Therefore, a more comfortable temperature environment can be provided to the seated person by heating or cooling the blown air with this heat exchanger.

1 is a perspective view illustrating an overall configuration of a vehicle seat according to Embodiment 1. FIG. (A) The figure is the perspective view which showed the state of the seating posture state position where the seated person sits down. FIG. 5B is a perspective view showing a state of a standing posture state position in which the seat cushion stands up toward the front of the vehicle with respect to the support base. It is sectional drawing of the arrow II-II line | wire of FIG. FIG. 5 is a perspective view illustrating an overall configuration of a vehicle seat according to a second embodiment. FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. 3. FIG. 10 is a cross-sectional view illustrating a schematic configuration of a modified example of the vehicle seat according to the second embodiment. FIG. 6 is a cross-sectional view illustrating a schematic configuration of a vehicle seat according to a third embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

First, the configuration of the vehicle seat 10 according to the first embodiment will be described with reference to FIGS. 1 and 2.
FIG. 1 is a perspective view illustrating an overall configuration of a vehicle seat 10 according to the first embodiment. In addition, FIG. (A) is a perspective view showing a state of a sitting posture state position 20a where a seated person is seated. FIG. 5B is a perspective view showing a state of a standing posture state position 20b in which the seat cushion 20 stands up toward the front of the vehicle with respect to the support base 40. FIG. 2 is a cross-sectional view taken along the line II-II in FIG.
The vehicle seat 10 according to the first embodiment has a function of providing a comfortable temperature environment to a seated person by the blown air K blown from the blower 50 built in the support base 40 formed at the lower part of the seat cushion 20. In addition, a plurality of conveniences can be provided to the occupant by providing a temperature adjustment function in the accommodation space portion configured in the support base 40.
Therefore, it has a feature point in the arrangement configuration of the blower 50 built in the support base 40 and the configuration of the accommodation space portion configured in the support base 40. Accordingly, in FIGS. 1 and 2 for explaining the configuration of the vehicle seat 10 of the first embodiment, the components of the headrest 70, the seat cushion 20, the detailed structure of the details of the seat back 30, and the like are the components. It is shown in a simplified manner and a part of the configuration is omitted. In each figure, FWD and UPR indicated by arrows indicate the front and upper sides of the vehicle seat 10.

The vehicle seat 10 according to the present embodiment can be used for any of the vehicle seats in the rear seats such as the driver seat, the passenger seat, the second row, and the third row of the first row of the vehicle. The vehicle seat 10 of the first embodiment shows the configuration of the rear seat in the second row of the vehicle. First, the outline of the overall configuration of the vehicle seat 10 will be described, and then the details of each configuration will be described.
As shown in FIG. 1A, the vehicle seat 10 has a rear seat as a second row. The second row of vehicle seats 10 includes a seat cushion 20 mainly serving as a seating portion of the seated person, a seat back 30 serving as the backrest of the seated person, a headrest 70 serving as the headrest of the seated person, and a seat cushion. The support surface that supports 20 is constituted by a support base 40 that supports a height position spaced from the vehicle body floor F.

  As illustrated in FIG. 2, the support base 40 of the vehicle seat 10 includes a blower 50 that can blow out air. The blown air K from the blower 50 is distributed to the seat cushion 20 through an air distribution path 51 formed in the support base 40. The blown air K distributed from the support base 40 to the seat cushion 20 is distributed to the air distribution recess 27a formed in the pad member 26 of the seat cushion 20, and the rear side of the seat cushion 20 is disposed in the in-plane direction. It is configured to be blown out from the inner side of the seat cushion 20 toward the seat surface portion 21 by being blown and blown out from the blowout holes 27 b formed in the seat surface portion 21.

In addition, in the air distribution path 51 formed on the support base 40, a hot / cold storage 44 as an accommodating space for accommodating objects is formed. The hot / cold storage 44 is provided with a temperature adjusting function by introducing the blown air K of the blower 50 described above. Further, the air distribution path 51 includes a heat exchanger 60 for heating or cooling the blown air K. Thereby, it becomes the structure which can give a comfortable temperature environment with respect to the seated person seated by the blowing air K heated or cooled. In addition to this, the accommodation space portion further improves the temperature adjustment function because the heated or cooled blown air K is introduced.
In the first embodiment, the housing space is configured as the hot / cold storage 44. Each configuration of the vehicle seat 10 according to the first embodiment will be described.

The seat cushion 20 will be described.
As illustrated in FIGS. 1 and 2, the seat cushion 20 is configured as a seating surface of a seated person. The seat cushion 20 is roughly composed of a cushion frame, a link member 24, a pad member 26, and a skin cover 29.
Although not shown, the cushion frame (not shown) is configured as a skeleton of the seat cushion 20, and a metal plate-like member is appropriately bent and formed into a square frame shape. Yes. Further, in order to support the lower surface portion of the seat cushion 20, a lower surface support frame (not shown) is selected as a metal plate member, a wire frame of a metal pipe, or the like and appropriately bent according to the shape of the lower surface portion of the seat cushion 20. Formed and configured.

The link member 24 will be described.
As shown in FIG. 2, the link member 24 can be opened and closed with respect to the seat cushion 20 in a sitting posture state position 20 a where the seat cushion 20 is seated and a standing posture state position 20 b which stands up toward the front of the vehicle with respect to the support base 40. It is for making it into a structure. And when it is located in a standing posture state position, it is for making it the structure which can accommodate an object in the heating / cooling warehouse 44 comprised as an accommodation space part of the support base 40 mentioned later.
The link member 24 is formed by appropriately bending a metal bar-like member, and one end side is a side portion of the cushion frame, and a pair of shafts are pivotable on the vehicle front side in the vehicle width direction. The other end side is rotatably supported by a support base 40 described later. In addition, the link member 24 is pivotally supported in parallel in the width direction of the seat cushion 20 at a predetermined interval in a two-piece configuration.

Next, the pad member 26 will be described.
As shown in FIG. 2, the pad member 26 is formed by foaming polyurethane resin so that the seating load of the seated person seated on the seat cushion 20 can be softly received by its own elastic deformation. It has become. Then, on the back surface portion of the pad member 26, that is, the back surface portion on the opposite side to the seat surface portion 21 that receives the seating load of the seated person, the blowout air K from the lower side fed from the blower 50 is provided. An air distribution recess 27a serving as a passage for distributing the air in the in-plane direction is formed as a recess.

This air distribution recessed part 27a is a space into which the blown air K from the hot / cold storage 44 as an accommodation space part provided in the support base 40 described later is introduced. The air distribution recess 27 a is formed so as to surround the opening of the hot / cold storage 44, and has a sealed structure so that the blown air K from the hot / cold storage 44 does not leak out from the back surface of the pad member 26. Yes. The blown air K from the hot / cold storage 44 is distributed toward people in the in-plane direction of the back surface. And the blowing hole 27b penetrated to the seating surface part 21 side of the pad member 26 is formed in the position extended to the above-mentioned air distribution recessed part 27a, respectively.
Thus, the blown air K introduced into the above-described air distribution recess 27a is distributed to people in the in-plane direction of the back surface portion of the pad member 26, and the seat surface portion 21 side of the pad member 26 from each air discharge hole 27b. It is distributed and sprayed over a wide area such as the buttocks and thighs of the seated person. The pad member 26 is covered with a cloth skin cover 29 on the entire outer peripheral surface thereof. The skin cover 29 is formed of a breathable cloth material, and can blow the blown air K blown from the blowout holes 27b.

The support base 40 will be described.
As shown in FIGS. 1 and 2, the support base 40 is disposed on the vehicle body floor F and supports the seat cushion 20 that serves as a seating surface of the seated person, and the seat back 30 that serves as a backrest. Are connected and supported via a reclining mechanism.
The support base 40 is formed in a box shape by injection molding a synthetic resin. The support base 40 needs to have a rigidity for supporting the load of each component of the vehicle seat 10 such as the seat cushion 20, the seat back 30, the headrest 70, and the seating load of the seated person. . Therefore, although not shown, the box-shaped inner side has a leg portion formed by bending a metal plate-like member, and is rigidly coupled to the support base 40, and the vehicle body floor F side. It is rigidly connected to.

The support base upper surface portion 42 of the support base 40 is configured as a support surface that supports the seat cushion 20. Thus, the support surface that supports the seat cushion 20 that serves as the seating surface of the seated person is supported at a height position that is separated from the vehicle body floor F, and the seating load of the seated person is supported.
In addition, a rectangular parallelepiped recess is formed in the approximate center of the support base upper surface portion 42 of the support base 40. This rectangular parallelepiped-shaped recessed part is comprised in the air distribution path 51 as the hot / cold storage 44 as an accommodation space part. And the air-conditioning store | warehouse | chamber 44 as an accommodation space part becomes the structure filled with the blowing air K being taken in. In addition, a lid 45 that can be opened and closed by a slide is formed on the upper part of the heating / cooling chamber 44. The lid 45 has an airtight structure that prevents the blown air K from leaking outside when the lid 45 is closed. In addition, the thermal cooler 44 and the lid 45 may be configured such that a heat insulating material is overlapped on the outer side or the inner side in order to insulate.
In order to connect the seat cushion 20 via the link member 24, a pair of link member connecting portions 42 a are formed in the vehicle width direction on the vehicle front end side of the support base upper surface portion 42 of the support base 40. . In addition, on the vehicle rear end side of the support base upper surface portion 42 of the support base 40, the seat back 30 connects and supports the reclining mechanism (not shown), so the seat back connection portions 42b are paired in the vehicle width direction. It is configured.

Next, the blower 50 will be described.
The blower 50 is configured as a blower generating means capable of blowing air, and is configured to distribute the blown air K to the seat cushion 20 through an air distribution path 51 formed in the support base 40. It is a thing. As shown in FIG. 2, a centrifugal blower is generally selected as the blower 50 as a centrifugal blower serving as a blower for sucking air. The blower 50 is fixedly held via a bracket or the like as appropriate on the inner side of the support base 40 and the lower side of the heating / cooling chamber 44 serving as a housing space.

The air distribution path 51 will be described.
The air distribution path 51 is a path for distributing the blown air K blown from the blowout opening of the blower 50 into the seat cushion 20. In the first embodiment, the air distribution path 51 is configured by the duct 52 and the hot / cold storage 44. The duct 52 is formed in a tubular shape from synthetic rubber, synthetic resin, or the like.
Moreover, the heat exchanger 60 is provided in the duct 52 which is one structure of this air distribution path | route 51, and the upstream of the heating / cooling store | warehouse | chamber 44 as an accommodation space part.

The heat exchanger 60 will be described.
As shown in FIG. 2, the heat exchanger 60 heats or cools the blown air K blown from the blower 50. Here, the Peltier element 68 which is a kind of thermoelectric element is selected for the heat exchanger 60 in the vehicle seat 10 of the first embodiment. The Peltier element 68 is a plate-like semiconductor element that utilizes the Peltier effect that heat is transferred from one metal to the other when a current is passed through a joint between two kinds of metals. When a direct current is passed through the Peltier element 68, one surface absorbs heat and the other surface generates heat. Further, when the polarity of the current is reversed, the relationship between heat absorption and heat generation is reversed. The heat exchanger 60 of the first embodiment has a configuration in which heating or cooling is performed by attaching a heat sink 66 to the element and ventilating the blown air K.

As shown in FIG. 2, the heat exchanger 60 includes a duct disposed between a blow-out port of the blower 50 and a blow-out air outlet 46 configured on a lower surface portion of the heating / cooling chamber 44 serving as a storage space. 52. The configuration generally includes a partition wall 62, a first heat exchange channel 64a, a second heat exchange channel 64b, a heat sink 66, a Peltier element 68, a blown air introduction port 63a, a supply port 63b, and a discharge port 63c. ing. Specifically, the inside of the duct 52 is partitioned by the partition wall 62 into two flow paths, a first heat exchange flow path 64a and a second heat exchange flow path 64b. At the center of the partition wall 62, a heat sink 66 is disposed so that the blown air K can be ventilated, and a Peltier element 68 is disposed between the heat sinks 66.
The blown air introduction port 63 a is an upstream entrance of the heat exchanger 60. That is, it is configured as an entrance into which the blown air K of the blower 50 is introduced. The supply port 63 b and the discharge port 63 c are configured on the downstream side of the heat exchanger 60. Among these, the supply port 63b is configured as an outlet on the side where the blown air K is exchanged by the heat exchanger 60 and then blown to the hot / cold storage 44 and the air distribution recess 27a through the blown air outlet 46. On the other hand, the discharge port 63c is configured as an outlet that is discharged after the blown air K is heat-exchanged by the heat exchanger 60. The Peltier element 68 has opposite heat exchange surfaces connected to both heat sinks 66, and between the heat sinks 66, that is, between the first heat exchange flow path 64a and the second heat exchange flow path 64b, Heat exchange is performed according to the energization direction. In addition, although illustration is abbreviate | omitted, the energization current of the air blower 50 and the Peltier device 68 is controlled by the external controller comprised outside the vehicle seat 10. FIG.

The operation of the vehicle seat 10 according to the first embodiment having the above-described configuration is as follows.
As shown in FIG. 2, the seat cushion 20 is located at the seating posture state position 20a, and the lid 45 is in a state in which the blown air K can be distributed toward the seat cushion 20 at the open position 45b. In this state, first, the blower 50 and the Peltier element 68 are energized by an external controller (not shown).
The blower 50 is activated, and the blown air K blown from the blower 50 is blown through the duct 52 to the heat exchanger 60 provided in the duct 52. The blown air K blown to the heat exchanger 60 is introduced from the blown air introduction port 63a of the heat exchanger 60, and is introduced to both the first heat exchange flow path 64a and the second heat exchange flow path 64b. . And heat exchange according to the energization direction of Peltier device 68 is performed between the 1st heat exchange channel 64a and the 2nd heat exchange channel 64b.
The blown air K heated or cooled by heat exchange by the Peltier element 68 in the first heat exchange flow path 64a is guided from the supply port 63b to the blown air outlet 46 through the duct 52. And the blowing air K is taken in and filled in the hot / cold storage 44 as an accommodation space part, and is heated or cooled. Further, the blown air K passes through the hot / cold storage 44 and is blown to the blowout holes 27b through the air distribution recesses 27a. Thus, the blown air K heated or cooled by heat exchange by the Peltier element 68 is sent to the seat surface portion 21 side of the pad member 26 and dispersed over a wide range of the seated person's buttocks and thighs. Is blown. On the other hand, the blown air K that has been subjected to heat exchange by the Peltier element 68 in the second heat exchange flow path 64b is discharged from the discharge port 63c to the outside of the heat exchanger 60 and is discharged to the outside of the seat cushion 20.
As shown in FIG. 1B, when taking the contents of the hot / cold storage 44, the seat cushion 20 can be moved to the standing posture state position 20b. At this time, the thermal efficiency in the hot and cold storage 44 can be increased by setting the cover 45 of the hot and cold storage to the closed position 45a.
As described above, the seated person sitting on the vehicle seat 10 obtains a comfortable temperature environment by the blown-out air K that has been heated or cooled through heat exchange by the Peltier element 68 that has been aired. Moreover, since it can be equipped with the hot / cold storage 44 as an accommodation space part comprised by the support base 40 with this, a several convenience can be provided with respect to a passenger | crew.

As described above, according to the vehicle seat 10 of the first embodiment, the blown air K of the blower 50 is introduced into the hot / cold storage 44 as the accommodation space. And the blowing air K is taken in and is filled in the hot / cold storage 44 as an accommodation space part. Therefore, the accommodation space can be a space whose temperature can be adjusted by the temperature of the blown air K. In addition, the temperature adjustment function can be provided in the hot / cold storage 44 as the accommodation space without impairing the function of providing a comfortable temperature environment to the seated person, and a plurality of conveniences can be provided to the passenger. In addition, the vehicle interior space can be effectively used. In addition, it is possible to effectively use an air conditioner for a seat on which no occupant is seated.
The duct 52, which is one component of the air distribution path 51, has a heat exchanger 60 that heats or cools the blown air K. Therefore, by heating or cooling the blown air K with the heat exchanger 60, a more comfortable temperature environment can be provided to the seated person, and the hot / cold storage 44 can be provided as the accommodating space.

Next, the configuration of the vehicle seat 100 according to the second embodiment will be described with reference to FIGS. 3 to 5.
FIG. 3 is a perspective view illustrating a schematic configuration of the vehicle seat 100 according to the second embodiment. 4 is a cross-sectional view taken along the line IV-IV in FIG. In the second embodiment, the same reference numerals are given to the portions having substantially the same configuration and action as the vehicle seat 10 of the first embodiment, the description thereof is omitted, and the different portions will be described in detail.
As shown in FIG. 3, in the second embodiment, the configuration of the vehicle seat 10 shown in the first embodiment is the same. It is different in that it has the configuration of 144.

As illustrated in FIG. 4, in the second embodiment, among the configurations of the air distribution path 51, the hot / cold storage 44 formed between the duct 52 configured in the first embodiment and the air distribution concave portion 27 a is formed. Absent. In the second embodiment, the duct 52 is branched, and a path connected to the air distribution recess 27a and a path connected to the heating / cooling cup folder 144 are configured.
The hot / cold cup folder 144 is formed of a synthetic resin into a cylindrical shape and has an opening into which a beverage container can be inserted from above. Moreover, it has the opening part to which the edge part of the duct 52 is connected, and it becomes the structure which can heat or cool a drink container by blowing the blowing air K to a drink container.
In addition, the position where the heat exchanger 60 is configured is configured on the upstream side of both the path connected to the air distribution recess 27 a and the path connected to the heating / cooling cup holder 144.
Further, as shown in FIG. 5, in addition to the configuration in which the blown air K is distributed to the hot and cold cup folder 144, the blower 50 that blows air only to the seat cushion 20, the heat exchanger 60, and the duct 52. Configurations may be added.

The operation of the vehicle seat 100 according to the second embodiment configured as described above is the same as the operation shown in the first embodiment.
Thus, according to the vehicle seat 10 of the second embodiment, the blown air K of the blower 50 is introduced into the hot and cold cup folder 144 serving as the accommodation space. Therefore, the hot / cold cup folder 144 can be a space whose temperature can be adjusted by the temperature of the blown air K. Further, the temperature adjustment function can be provided in the heating / cooling cup folder 144 as the accommodation space without impairing the function of providing a comfortable temperature environment to the seated person, and a plurality of conveniences can be provided to the passenger. In addition, the vehicle interior space can be effectively used. In addition, it is possible to effectively use an air conditioner for a seat on which no occupant is seated.
The duct 52, which is one component of the air distribution path 51, has a heat exchanger 60 that heats or cools the blown air K. Therefore, by heating or cooling the blown air K with the heat exchanger 60, a more comfortable temperature environment can be provided to the seated person, and the heating / cooling cup folder 144 can be provided as the accommodating space.

Next, the configuration of the vehicle seat 200 according to the third embodiment will be described with reference to FIG.
FIG. 6 is a cross-sectional view illustrating a schematic configuration of the vehicle seat 200 according to the third embodiment. In the third embodiment, the same reference numerals are given to the portions having substantially the same configuration and operation as those of the vehicle seat 10 of the first embodiment, the description thereof will be omitted, and the different portions will be described in detail. As shown in FIG. 6, in the third embodiment, the configuration of the vehicle seat 10 shown in the first embodiment is the same, but the heating / cooling chamber 44 is always provided in the support base 40 as the accommodation space portion. Furthermore, the point which adds the structure of the external heating / cooling chamber 244 is different.
In addition, it may change to the structure with which the temperature cooler 44 was always provided in the support base 40, and may have the structure of the external temperature cooler 244 removable from the support base 40.

That is, in the third embodiment, among the configurations of the air distribution path 51, the hot air cooler 44 is connected to the blow-out air outlet 46 of the hot and cold chamber 44 formed between the duct 52 configured in the first embodiment and the air distribution recess 27 a. Also, the external hot / cold refrigerator 244 formed as a large-capacity storage space is configured to be removable. The external hot / cold refrigerator 244 is formed in a box having a lid that can be opened and closed by appropriately selecting synthetic resin, metal, or the like. In addition, in order to insulate with external air, the structure which a heat insulation raw material overlaps on the outer side or the inner side may be sufficient.
The external hot / cold refrigerator 244 moves to the standing posture state position 20b in which the seat cushion 20 stands up toward the front of the vehicle with respect to the support base 40, and is connected to a duct connection port formed on one surface of the external hot / cold refrigerator 244. By connecting a duct 52 configured as an air distribution path 51 to H.246, the blown air K is introduced.
In addition to the configuration of mounting on the support base 40, the external heating / cooling chamber 244 can also be mounted outside the vehicle seat 200 by extending the connection state with the air distribution path 51.

The operation of the vehicle seat 200 in the third embodiment having the above-described configuration is the same as the operation shown in the first embodiment.
Thus, according to the vehicle seat 200 of the third embodiment, the blown air K of the blower 50 is introduced into the external heating / cooling chamber 244 serving as the accommodation space. Therefore, the external hot / cold refrigerator 244 can be a space whose temperature can be adjusted by the temperature of the blown air K.

  Further, the external hot / cold refrigerator 244 is configured to be removable from the support base 40. Thereby, the accommodation space part of the magnitude | size which cannot be equipped with in the vehicle seat 200 can be connected, and accommodation capacity can be improved. In addition, the external heating / cooling chamber 244 can be removed from the air distribution path 51 of the support base 40 and can be installed outside the vehicle seat 200 when the connection state can be extended. It is possible to improve convenience. In addition, it is possible to effectively use an air conditioner for a seat on which no occupant is seated.

  The duct 52, which is one component of the air distribution path 51, has a heat exchanger 60 that heats or cools the blown air K. Therefore, when the occupant is seated by the occupant, the occupant can be provided with a more comfortable temperature environment by heating or cooling the blown air K with the heat exchanger 60. Moreover, when the passenger | crew is not seated, the external heating / cooling chamber 244 can be provided as an accommodation space part.

As mentioned above, although embodiment of this invention was described using the three Examples, this invention can be implemented with various forms other than the said Example.
For example, in the present embodiment, the configuration in which the seat cushion 20 of the vehicle seats 10, 100, 200 can be opened and closed is shown. However, it is not limited to this, The structure which can remove | desorb the seat cushion 20 may be sufficient.

Moreover, in the present Example, it showed about the structure which has the heat exchanger 60. FIG. However, it is not limited to this, The structure which does not have a heat exchanger may be sufficient.
In the present embodiment, the heat exchanger 60 includes the Peltier element 68. However, the heat exchanger is not limited to this, and various heat exchangers other than Peltier elements can be selected and applied.

  Moreover, in the present Example, the air blower 50 showed about the structure by which the centrifugal blower was selected as a centrifugal air blower as an air blower sucked. However, the present invention is not limited to this, and a centrifugal fan or sirocco fan provided with an appropriate multi-blade, and further, an axial fan or an axial blower is selected without being limited to a centrifugal fan. It may be a configuration.

Further, in the present embodiment, the blown air K that has undergone heat exchange by the Peltier element 68 in the second heat exchange flow path 64b of the heat exchanger 60 is discharged to the outside of the heat exchanger 60 through the discharge port 63c, and the seat cushion 20 shows the structure discharged to the outside. However, the present invention is not limited to this, and it may be one that effectively uses the blown air K discharged after heat exchange.
For example, the blown air after the heat exchange can be used as air conditioning in the passenger compartment. Moreover, the thing of the structure which introduce | transduces the blowing air which blows off from the discharge port 63c through a duct by providing another thermal cooler in the support base 40 may be sufficient.

DESCRIPTION OF SYMBOLS 10 Vehicle seat 20 Seat cushion 20a Seating posture state position 20b Standing posture state position 21 Seat surface part 24 Link member 26 Pad member 27a Air distribution recessed part 27b Outlet hole 29 Skin cover 30 Seat back 40 Support base 42 Support base upper surface part 42a Link member connecting portion 42b Seat back connecting portion 44 Hot / cold storage 45 Lid 45a Closed position 45b Open position 46 Blowout air outlet 50 Blower 51 Air distribution path 52 Duct 60 Heat exchanger 62 Partition wall 63a Blow air inlet 63b Supply port 63c Exhaust Outlet 64a First heat exchange flow path 64b Second heat exchange flow path 66 Heat sink 68 Peltier element 70 Headrest 100 Vehicle seat 144 Heating / cooling cup folder 200 Vehicle seat 244 External heating / cooling chamber 246 Duct connection port F Vehicle body floor K Blowing air FWD in front of the vehicle UPR top of the vehicle

Claims (3)

A vehicle seat having a seat cushion that serves as a seating surface of a seated person, and a support surface that supports the seat cushion at a height position spaced from the vehicle body floor;
The support base is equipped with a blower capable of blowing air, and the blown air of the blower is blown out from the inner side of the seat cushion toward the seat surface portion through an air distribution path formed in the support base. The support base is formed with a housing space,
The vehicle seat according to claim 1, wherein air blown from the blower is introduced into the housing space. The vehicle seat according to claim 1,
The accommodation space part formed in the said support base is formed in the box, and this box is installed so that removal from the said support base is possible, The vehicle seat characterized by the above-mentioned. The vehicle seat according to claim 1 or 2,
The vehicle seat, wherein the air distribution path includes a heat exchanger for heating or cooling the blown air.

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