JP4442149B2 - Air conditioner for vehicles - Google Patents

Description

  The present invention relates to a vehicle air conditioner having an air conditioning unit that controls air conditioning in a vehicle interior.

Conventionally, as a vehicle air conditioner of the above-mentioned example, there is one having the following configuration.
That is, a so-called twin air conditioning type vehicle air conditioner in which an air conditioner unit including a blower, an evaporator and a heater core is disposed on the front side of the vehicle, and a rear cooler unit including a blower and an evaporator is disposed on the rear side of the vehicle. Yes (see Patent Document 1).

  In this vehicle air conditioner, since the air conditioner unit is disposed on the front side of the vehicle, the backward arrangement of the engine is hindered, the yaw moment of inertia is increased, and the steering stability and the motion performance of the vehicle are deteriorated. There was a problem.

On the other hand, an open car air conditioner has the following configuration.
That is, an air conditioning unit is provided at the front of the vehicle body between the dash lower panel and the instrument panel on the front side of the open car (see Patent Document 2).

  Also in this open car air conditioner, since the air conditioning unit is arranged on the front side of the vehicle, the reverse arrangement of the engine is obstructed, the yaw moment of inertia becomes large, and the steering stability and the vehicle performance are deteriorated. There was a problem.

JP-A-5-193337 Japanese Patent Laid-Open No. 7-266841

Therefore, the present invention provides a rear air conditioning unit that blows out conditioned air at the rear of the passenger compartment, and a front natural ventilation unit that blows out running air at the front of the passenger compartment, thereby achieving both rear air conditioning and natural ventilation. it can, and it is possible to achieve both retraction layout of the air-conditioning performance of the engine also comprises an air-conditioning control means for integrated control and the rear air conditioning unit and the front natural ventilation unit, the air conditioning control unit The rear air conditioning unit and the front natural ventilation unit can be integrated and controlled so that they do not have to be controlled separately, improving convenience , and the rear bulkhead that partitions the rear of the passenger compartment Air outlet for the conditioned air from the rear air conditioning unit It is provided, between the rear air conditioning unit and air outlet is shortened, and an object thereof is to provide a vehicle air conditioner capable of reducing the path length shortening between these two.

A vehicle air conditioner according to the present invention is a vehicle air conditioner provided with an air conditioning unit that air-conditions the interior of a vehicle. A rear air-conditioning unit that blows out into the passenger compartment, a front natural ventilation unit that is disposed in front of the passenger compartment and introduces traveling wind to blow the traveling wind into the passenger compartment; the rear air-conditioning unit and the front natural ventilation and a air conditioning control means for integrated control and a unit, the vehicle interior side of the rear bulkhead for partitioning the vehicle compartment rear in which the blowout blowing out the conditioned air from the rear air conditioning unit is provided.

The above-mentioned front natural ventilation unit is a unit that does not have a temperature adjustment function, and is a unit for blowing the introduced traveling wind (outside air) into the vehicle interior. Further, the above-described air outlet may be set to an air outlet that blows air-conditioned air toward the neck of the occupant seated on the seat.
According to the above configuration, it is possible to achieve both rear air conditioning and natural ventilation.

  In addition, since the rear air conditioning unit is provided at the rear of the passenger compartment, there is no need to provide a front air conditioning unit in the front of the passenger compartment, thereby achieving a reverse layout of the engine and reducing the yaw moment of inertia. Stability can be improved and vehicle performance can be improved. Furthermore, since a front natural ventilation unit is provided in front of the passenger compartment, it is possible to achieve both a reverse layout of the engine and air conditioning performance.

Since the rear air conditioning unit and the front natural ventilation unit are provided with air conditioning control means for integrated control, the rear air conditioning unit and the front natural ventilation unit are integrated and controlled by this air conditioning control means. These do not have to be controlled separately, and the convenience can be improved.

In addition, since the rear bulkhead is provided with a blowout port for blowing the conditioned air from the rear air conditioning unit, the distance between the rear air conditioning unit and the blowout port is shortened, and the rear (rear) The passage length between the air conditioning unit and the outlet can be shortened.

The vehicle air conditioner according to the present invention is also a vehicle air conditioner provided with an air conditioning unit that air-conditions the interior of the vehicle, and is arranged at the rear of the vehicle and introduces at least air inside the vehicle to adjust the temperature. A rear air-conditioning unit that blows wind into the passenger compartment, a front natural ventilation unit that is disposed in front of the passenger compartment and introduces the traveling wind and blows the traveling wind into the passenger compartment, the rear air-conditioning unit, and the front natural An air conditioning control means for controlling the ventilation unit in an integrated manner, and a passenger seat is provided close to the passenger compartment side of the rear bulkhead that partitions the rear part of the passenger compartment. The air outlet is provided with a blowout port for blowing out the conditioned air to the back or / and the waist of the occupant seated on the seat.
According to the above configuration, in addition to the basic effect of the first aspect, an occupant seat is provided close to the passenger compartment side of the rear bulkhead, and the occupant seat is provided with conditioned air from the rear air conditioning unit. Since the air outlet is provided on the back or / and waist of the occupant seated on the seat, air conditioning management of the occupant's back or / and waist can be performed, and the comfort level can be improved. .

The vehicle air conditioner according to the present invention is a vehicle air conditioner further comprising an air conditioning unit that air-conditions the vehicle interior, and is arranged at the rear of the vehicle interior to introduce at least air in the vehicle interior and adjust the temperature. A rear air-conditioning unit that blows wind into the passenger compartment, a front natural ventilation unit that is disposed in front of the passenger compartment and introduces the traveling wind and blows the traveling wind into the passenger compartment, the rear air-conditioning unit, and the front natural An air conditioning control means for integrated control of the ventilation unit, and a tunnel portion extending from the lower part of the rear bulkhead that partitions the rear of the passenger compartment to the front of the vehicle is provided, and the tunnel portion travels from the front natural ventilation unit. A blowout opening for blowing out the wind is provided.
According to the above configuration, in addition to the basic effect of the first aspect, a tunnel portion extending from the lower portion of the rear bulkhead to the front of the vehicle is provided, and traveling wind from the front natural ventilation unit is blown into the tunnel portion. Since the outlet is provided, it is possible to improve the comfort level of passengers by driving wind while effectively using the tunnel. Especially in open cars, ventilation by driving wind (natural wind) is emphasized. can do.

In one embodiment of the present invention, the rear air conditioning unit is disposed at a rear portion of a rear bulkhead that partitions a rear portion of the passenger compartment, and the rear air conditioning unit introduces internal and external air from a rear cowl portion provided at an upper portion of the rear bulkhead. However, the air-conditioning wind is blown out into the vehicle interior.
According to the said structure, arrangement | positioning of a rear air conditioning unit and introduction of inside / outside air can be made compatible.

In one embodiment of the present invention, an engine room in which an engine is disposed is provided in front of the vehicle compartment.
According to the said structure, it can be materialized as a compact vehicle.

In one embodiment of the present invention, the upper part of the passenger compartment is covered with a roof that can be opened and closed.
According to the said structure, the air conditioning of an open car can be materialized with a simple structure.

In one embodiment of the present invention, an outside air introduction passage that opens from the rear cowl portion to the vehicle body outer wall is provided.
According to the above arrangement, Ru can be reliably introducing outside air from the vehicle body outer side wall.

  In one embodiment of the present invention, a tunnel portion extending from the lower portion of the rear bulkhead to the front of the vehicle is provided, and the tunnel portion has a blowout port for blowing conditioned air from the rear air conditioning unit to the thigh of the occupant. It is provided.

  According to the above configuration, air conditioning management of the thigh of the occupant can be performed while effectively using the tunnel portion, and the comfort level can be improved.

In one embodiment of the present invention, a tunnel portion extending from the lower portion of the rear bulkhead to the front of the vehicle is provided, and the tunnel portion is provided with a blowout port for blowing the conditioned air from the rear air conditioning unit to the feet of the occupant. It is what was done.
According to the above configuration, while effectively utilizing the tunnel portion, and be air conditioning management of passenger foot area, Ru can be achieved comfort improvement.

According to the present invention, the rear air conditioning unit that blows the conditioned air is provided at the rear of the passenger compartment, and the front natural ventilation unit that blows the running air is provided at the front of the passenger compartment, thereby achieving both rear air conditioning and natural ventilation. There is an effect that it is possible to achieve both the backward layout of the engine and the air conditioning performance.
In addition , since the rear air conditioning unit and the front natural ventilation unit are integrated and controlled by the air conditioning control means, it is not necessary to separately control them, and there is an effect that convenience can be improved.
Moreover, since the air outlet from the rear air conditioning unit is provided on the passenger compartment side of the rear bulkhead that partitions the rear of the passenger compartment, the distance between the rear air conditioning unit and the air outlet becomes shorter. There is an effect that the passage length can be shortened.

Both rear air conditioning and natural ventilation are compatible, and both engine layout and air conditioning performance are compatible, and the rear air conditioning unit and front natural ventilation unit are integrated and controlled separately. Air conditioning unit that air-conditions the interior of the vehicle for the purpose of improving convenience and reducing the distance between the rear air-conditioning unit and the outlet and shortening the passage length between them. A rear air conditioning unit that is disposed at the rear of the passenger compartment, introduces air in the passenger compartment, adjusts the temperature and blows the conditioned air into the passenger compartment, and is disposed in front of the passenger compartment. A front natural ventilation unit that introduces traveling wind and blows the traveling wind into the passenger compartment; the rear air conditioning unit; And a air conditioning control means for integrated control and preparative natural ventilation unit, on the vehicle interior side of the rear bulkhead for partitioning the vehicle compartment rear, realized in structure only provided with the blowout blowing out conditioned air from the rear air conditioning unit did.

An embodiment of the present invention will be described in detail with reference to the drawings.
The drawings show the vehicle air conditioner. First, the vehicle body structure will be described with reference to FIGS. 1, 2, and 3. In the figure, arrow F indicates the front of the vehicle, arrow R indicates the rear of the vehicle, arrow IN indicates the inside of the vehicle, and arrow OUT indicates the outside of the vehicle.

In FIG. 1 shown in a side view and FIG. 2 shown in a plan view, an engine room 1 and a vehicle compartment 2 are partitioned in the front-rear direction by a dash lower panel 3 (dash panel).
The upper portion of the above-described vehicle compartment 2 is covered by a roof 4 (movable roof) that can be opened and closed, while a central portion in the vehicle width direction of the dash lower panel 3 is recessed rearward to form a recess 3a. An engine 5 is provided.

  The engine 5 is arranged vertically, and an ISG unit 6 (integrated starter generator unit, an integrated starter generator unit, which is continuously installed in the rear part of the engine 5, And a transmission 7 disposed continuously in the tunnel portion 16 of the floor panel 8 is provided behind the ISG unit 6.

  In addition, a floor panel 8 that extends rearward substantially horizontally is connected to the rear end of the lower end of the above-described dash lower panel 3, and a rear bulkhead 9 that rises from the rear portion of the floor panel 8 to the front, rear, and rear height is provided. A rear cowl portion 10 extending in the vehicle width direction is disposed on the back surface of the upper end portion of the bulkhead 9. Here, the rear bulkhead 9 described above is a panel member that partitions the compartment 2 and the rear portion of the compartment.

  A rear floor 11 extending rearward from the intermediate portion in the vertical direction of the rear bulkhead 9 is provided, and a rear air conditioning unit 12 for air-conditioning the passenger compartment 2 is disposed near the rear cowl portion 10 on the rear floor 11. A trunk room 13 (loading room) is formed behind the air conditioning unit 12. The rear air conditioning unit 12 described above is disposed in the wheel base as is apparent from FIG.

  As shown in FIG. 2, the rear air conditioning unit 12 includes a blower & cooling unit 14 and a heater unit 15. The heater unit 15 is disposed at the center in the vehicle width direction, and the blower & cooling unit 14 is mounted on the vehicle. It is disposed on one side in the width direction.

  As shown in FIGS. 1 and 3, the floor panel 8, which forms the vehicle compartment floor continuously with the above-described dash lower panel 3, projects from the vehicle compartment 2 and extends in the longitudinal direction of the vehicle. A tunnel portion 16 is formed, and an upper tunnel member 17 (a so-called high-mount backbone frame) extending along the tunnel portion 16 is joined to the upper portion of the tunnel portion 16. The upper tunnel member 17 has a front end joined to the dash lower panel 3 and a rear end joined to the rear bulkhead 9, and between the upper tunnel member 17 and the tunnel portion 16 as shown in FIG. Two closed sections 17A, 17A extending in the direction are formed, and the upper tunnel member 17 is configured to improve floor rigidity and vehicle body rigidity.

  Here, as shown in FIG. 3, the floor panel 8 and the tunnel portion 16 are provided with a floor mat 18 and a console 19 is provided so as to surround the upper tunnel member 17 and the upper portion of the tunnel portion 16. ing.

  As shown in FIGS. 1 and 2, left and right seats 22 and 22 having a seat cushion 20 and a seat back 21 are disposed on the floor panel 8 with the tunnel portion 16 and the upper tunnel member 17 therebetween. is doing. In this embodiment, the right seat 22 corresponding to the steering wheel 23 is set as a driver's seat, and the left seat 22 is set as a passenger's seat. It is.

  By the way, in the engine room 1 described above, a pair of left and right front side frames 24, 24 extending in the front-rear direction of the vehicle and having rear ends connected to the dash lower panel 3 are provided, and kick-up of the rear portions of these front side frames 24, 24 is provided. A pair of left and right floor frames 25, 25 extending rearward of the vehicle along the floor panel 8 is provided at the lower end of the kick-up portion.

  Connecting members 26, 26 are attached to the front end portions of the front side frames 24, 24, and a bumper reinforcement 27 extending in the vehicle width direction is stretched between the left and right connecting members 26, 26.

  Further, a front cross member 28 extending in the vehicle width direction is stretched between the left and right front side frames 24, 24, while a general surface (a surface not recessed) of the dash lower panel 3 on the side of the engine 5. A pair of left and right batteries 29, 29 are provided in the front part, and these batteries 29, 29 are attached to the aforementioned front side frames 24, 24.

Pair of left and right battery 29, 29 also serves as a role of charging the electric energy ISG unit 6 has power, in this embodiment, the battery 29 to the dash lower panel connecting portion of the pair of left and right front side frames 24, 24 The battery 29 is disposed so that the front end position of the battery 29 is located in front of the engine 5, and the load at the time of a frontal collision of the vehicle is received by the pair of left and right batteries 29, 29 to prevent the engine 5 from retreating. It is configured as appropriate.

  As shown in FIG. 2, the extension portions 17a and 17a of the upper tunnel member 17 are connected to the battery installation position of the dash lower panel 3, and are configured to disperse the collision load in the body.

  Further, as shown in FIGS. 1 and 2, a radiator 30 (heat exchanger) is disposed inside the engine room 1 of the pair of left and right batteries 29, 29 so as to overlap the batteries 29, 29 in the front-rear direction of the vehicle. ) Is arranged.

  Moreover, the respective heavy loads of the drive device including the engine 5 and the ISG unit 6, the pair of left and right batteries 29 and 29 as an auxiliary machine, and the radiator 30 as an auxiliary machine are intended to reduce the yaw moment of inertia. As shown in FIG. 1 and FIG. 2, it is disposed in the wheel base.

In addition, as shown in FIG. 1, an air cleaner 31 having a recessed portion 31a formed in the lower portion is provided, and an upper tank of the radiator 30 is provided in the recessed portion 31a, thereby ensuring an appropriate air cleaner capacity. The air cleaner 31 is disposed so as to overlap the radiator 30 in the vertical direction and the front-rear direction of the vehicle.
As shown in FIG. 2, an intake pipe 32 having a substantially L shape in plan view is connected to the upstream side of the air cleaner 31 described above.

  As shown in FIGS. 1 and 2, rear cross members 33, 33 extending in the vehicle width direction are provided at the rear ends of the floor frames 25, 25 joined to the lower surface of the floor panel 8.

  A pair of left and right rear side frames 34, 34 are provided so as to extend from the rear surface of the rear cross member 33 to the lower surface of the rear floor 11, and two rear cross members 35, 36 extending between the rear side frames 34, 34 extend in the vehicle width direction. Are separated from each other in the front-rear direction, and a rear bumper reinforcement 37 extending in the vehicle width direction is disposed at the rear of the pair of left and right rear side frames 34, 34. Here, each of the above-described elements 34, 35, 36, and 37 is a vehicle body rigid member.

  As shown in FIGS. 2 and 3, side sills 38, 38 extending in the front-rear direction of the vehicle are provided at the left and right ends of the floor panel 8 in parallel with the floor frame 25 described above. These side sills 38, 38 are vehicle body rigid members having a side sill closed section 41 extending in the vehicle front-rear direction by joining a side sill inner 39 and a side sill outer 40 as shown in FIG. Note that a side sill reinforcement is provided in the side sill closed section 41 as necessary.

  As shown in FIG. 2, the front end portion of the side sill 38 is joined to the lower end portion of the hinge pillar 42 extending in the vertical direction. The hinge pillar 42 is a vehicle body rigid member having a pillar closed section 43 that extends in the vertical direction by joining a hinge pillar inner and a hinge pillar outer.

A cowl upper panel 44 extending in the vehicle width direction is disposed at the upper end portion of the above-described dash lower panel 3, while the upper portion of the dash lower panel 3 including the cowl upper panel 44 is spaced apart from the rear of the front cowl portion and is An instrument panel member 45 having a closed cross-sectional structure extending in the width direction is provided.
The left and right end portions of the instrument panel member 45 are joined between the rear portions of the hinge pillar 42 as shown in FIG. The instrument panel member 45 is a vehicle body rigid member that supports the instrument panel 46.

As shown in FIGS. 1 and 2, the concave portion 3 a described above is formed by recessing the central portion in the vehicle width direction of the dash lower panel 3 from the front cowl portion to the space between the instrument panel members 45. The upper tunnel member 17 joined to the upper portion of the tunnel portion 16 is formed with the above-described extension portion 17a integrally or integrally with the upper tunnel member 17, and the extension portion 17a is formed as the recess portion 3a of the dash lower panel 3. Are arranged up to the general surface (surface not recessed).

  1 to 3, 47 is a front wheel, 48 is a rear wheel, 49 is a bonnet, 50 is a trunk lid, 51 is a steering rack, 52 is a front suspension cross member, 53 is an exhaust pipe, and 54 is a floor frame 25. A lower tunnel member extending substantially in parallel in the front-rear direction of the vehicle, 55 is a lower connection member that removably connects the left and right lower tunnel members 54, 54, and 56 is a rear differential device.

Next, the inside / outside air introduction structure in the vehicle air conditioner will be described with reference to FIGS.
A rear package 60 is provided substantially horizontally from the upper end of the rear bulkhead 9 toward the rear, and the rear cowl portion 10 described above is provided at a corner portion between the front portion of the rear package 60 and the upper portion of the rear bulkhead 9.

  Further, as shown in FIG. 7, roll bars 61 and 61 (roll-bar) as members for protecting passengers are provided on the upper portion of the rear package 60 corresponding to the left and right seats 22 and 22. As shown in FIGS. 4 to 6, an inside / outside air introduction port 62 is integrally formed in the rear package 60 and the rear cowl portion 10 between the left and right roll bars 61, 61.

  The above-described blower & cooling unit 14 is configured to introduce the inside / outside air from the intake port 14a through the inside / outside air introduction port 62 and the closed cross section 10A of the rear cowl portion 10.

  As shown in FIG. 7, a support shaft 63 is rotatably supported between upper portions of a pair of left and right roll bars 61, 61, and an aero board 64 is attached to the support shaft 63. The lower end of the board 64 extends to the vicinity of the inside / outside air introduction port 62 provided above the rear cowl portion 10.

  A rotary actuator 65 such as a direct current motor is provided on the back surface of one of the pair of left and right roll bars 61 via a bracket (not shown) or directly on the rotating shaft thereof. The mounted driving gear 66 and the driven gear 67 fitted to the support shaft 63 are always meshed, and the rotary board 65 is configured to change the position of the aero board 64 through the elements 66, 67, 63. ing.

  That is, as shown in FIG. 4, when the aero board 64 is set to the neutral state, both the inside air and the outside air are introduced into the inside / outside air introduction port 62, and the lower end of the aero board 64 is connected to the rear as shown in FIG. When the position is set to the side, only the inside air is introduced into the inside / outside air introduction port 62, and when the lower end of the aero board 64 is set to the front side as shown in FIG. It is configured to introduce outside air (winding air) into the inside / outside air introduction port 62 by using. In short, the configuration is such that the introduction and switching of the inside and outside air is performed by changing the arrangement position of the aero board 64 (changing the inclination angle).

  As shown in FIG. 8, restriction members 68 and 69 such as a stopper for restricting overrun of the aero board 64 are provided at the front and rear of the inside / outside air introduction port 62 to simplify the control of the rotary actuator 65 such as a DC motor. You may comprise so that it may achieve.

  FIG. 9 is a cross-sectional view of the main part taken along the line AA in FIG. 7, and an inner panel 70 is joined to the end of the rear cowl portion 10 on the outside of the vehicle. A rear fender panel 71 is provided as a wall. A belt line reinforcement 72 is joined to the surface of the inner panel 70 on the rear fender panel 71 side.

  An outside air introduction passage 73 is provided to open to the rear fender panel 71 as the vehicle body outer wall from the rear cowl portion 10 described above. The outside air introduction passage 73 includes an outside air introduction port 75 formed by attaching a mesh member 74 to the opening of the rear fender panel 71, an opening 72a of the beltline reinforcement 72, an opening 70a of the inner panel 70, and a rear cowl portion. It is formed by communicating with the opening 10a at the 10 side end in the vehicle width direction. 4 to 6, reference numeral 76 denotes a cross member provided at a corner portion between the front lower surface of the rear floor 11 and the intermediate rear surface of the rear bulkhead 9.

Next, with reference to FIGS. 2, 10, and 11, a blowout path of conditioned air (temperature-controlled air) such as cold air from the heater unit 15 will be described.
As shown in FIGS. 10 and 11, the heater unit 15 includes a pair of a plurality of blowing portions B, C, D, E, and G. On the other hand, an occupant seat 22 (see in particular its seat back 21) is provided on the vehicle interior side of the rear bulk head 9 in the vicinity of the rear bulk head 9.

  A duct 77 is connected to the blowout part B of the heater unit 15, and a blowout port 79 is provided at the tip of the bellows part 78 at the upper end of the duct 77 that extends upward. The blowout port 79 is connected to the rear bulkhead 9. The air-conditioning air whose temperature is adjusted by the rear air-conditioning unit 12 is blown out toward the passenger's neck. The above-described bellows portion 78 is configured so that the position and orientation of the outlet 79 can be arbitrarily adjusted according to the needs and physique of the occupant.

  A duct 80 is connected to the blowing portion C of the heater unit 15, and a blowing port 82 is provided at the front end of the bellows portion 81 at the tip of the duct 80 extending obliquely upward. The blowing port 82 is connected to the seat back 21. The air-conditioning wind from the rear air-conditioning unit 12 is blown out toward the back or / and the waist of the occupant seated on the seat 22.

  As shown in FIG. 12, a through hole 83 penetrating the front and back is formed in the intermediate portion of the seat back 21, and a net member 84 is stretched in the front-rear direction intermediate portion of the through hole 83.

  Further, the mouth edge of the outlet 82 (the outer periphery of the upper end of the duct 80 at the upper end of the bellows portion 81) is attached to the back surface portion of the seat back 21 via the attachment member 85. By configuring in this manner, even if the occupant leans against the seat back 21, the air outlet 82 is not blocked, so that the conditioned air can be appropriately supplied to the back or / and the waist of the occupant, The accordion portion 81 is configured to cope with the sliding of the seat 22 in the front-rear direction and the reclining angle of the seat back 21. Although the number of folds in the bellows portion 81 is schematically shown in the drawing, it is preferable to set the number of folds corresponding to seat slide and seat reclining.

  Further, as shown in FIGS. 10 and 11, a duct 86 is connected to the blowing part D of the heater unit 15, and this duct 86 extending forward is connected to the vehicle from the upper tunnel member 17 and the lower part of the rear bulkhead 9. The air-conditioning wind from the rear air-conditioning unit 12 is blown toward the thigh of the occupant and the air is blown toward the foot of the occupant. A blowout outlet 88 is provided. The air outlets 87 and 88 are connected to the duct 86 through the console 19 and the upper tunnel member 17, and a movable louver is provided in each air outlet 87 and 88.

  Here, the duct 86 may be guided into the closed section 17A through the opening of the rear bulkhead 9 and the opening of the upper tunnel member 17 as shown in FIG. 11, or the rear floor 11 as shown in FIG. May be introduced into the closed cross section 17A through the opening of the cross member 76, the closed cross section by the cross member 76, and the opening of the rear bulkhead 9.

  Furthermore, the structure shown in FIG. 14 may be adopted instead of the structure shown in FIG. That is, the end of the duct 80 connected to the blowing portion C of the heater unit 15 is branched into two, and the blowing ports 82A and 82B are provided through the bellows portions 81A and 81B, respectively. Is formed with independent through holes 83A and 83B which are vertically spaced through the front and back, and net members 84A and 84B are stretched between the through holes 83A and 83B in the middle in the front-rear direction. The conditioned air blown from the mouth 82A may be blown toward the back of the occupant, and the conditioned air blown from the lower outlet 82B may be blown toward the occupant's waist.

  As shown in FIG. 15, the trunk room 13 surrounded by a trunk trim 90 is partitioned into a plurality of cargo compartments 13A and 13B, and the cargo compartment 13B having a relatively small volume is set in a cooler box 91. .

  As shown in FIG. 4, the rear air conditioning unit 12 described above is disposed at the rear of the passenger compartment, introduces at least the passenger compartment air, adjusts the temperature, and blows the conditioned air into the passenger compartment 2. The rear air conditioning unit 12 is disposed between a rear bulkhead 9 that partitions the rear part of the passenger compartment and a trunk room 13 provided behind the rear bulkhead 9.

  As shown in FIGS. 11, 13, and 15, a pair of ducts 92 serving as a trunk room cooling air passage that introduces cool air into the trunk room 13 and cools it is provided in the outlet E of the heater unit 15 illustrated in FIG. 11 or 13. , 92 are provided.

  In this embodiment, cold air is introduced from the ducts 92 and 92 into the cargo compartments 13A and 13B divided into a plurality of compartments. However, the cold air is introduced only into the cargo compartment 13B on the cooler box 91 side. Of course, the trunk room 13 is divided into two cargo compartments 13A and 13B in this embodiment, but it goes without saying that it may be divided into a plurality of compartments.

  As shown in FIGS. 2 and 16, a suspension damper 93 that supports the rear wheel 48 of the vehicle is disposed in the vicinity of the trunk room 13. The suspension damper 93 includes a damper support 93a, an upper spring seat 93b, a strut 93c, a coil spring 93d, and the like. The upper spring seat 93b is supported by the rear floor 11 or a suspension housing (not shown), and the upper end of the damper support 93a is It is supported by a suspension tower 95 (specifically, a suspension tower) via a bracket 94.

  11 or 13, the air from the air conditioning unit 12 is guided to the left and right suspension dampers 93 and 93 as shown in FIGS. 2, 11, 13, and 16. Ducts 96, 96 as cooling air passages are provided, and the left and right suspension dampers 93, 93 are configured to be cooled by the cold air of the air conditioning unit 12.

  In this embodiment, as shown in FIGS. 2 and 16, the leading end opening 96 a of each duct 96 is attached to the suspension tower 95 via the trunk trim 90, and the suspension damper 93 is interposed via the internal space of the suspension tower 95. In particular, the oil and rubbers are cooled to prevent a decrease in the durability of the suspension damper 93 and to prevent the damper performance from being changed by heat.

  As shown in FIG. 17, a front cowl panel 98 that supports the front end of the front window 97 is joined to the cowl upper panel 44 disposed on the upper portion of the dash lower panel 3.

  The front cowl panel 98 has a substantially L-shaped cross section, extends in the vehicle width direction, and a cowl closed section 99 is formed between the front cowl panel 98 and the cowl upper panel 44.

  Openings 98a and 44a for front natural ventilation are formed in the vertical wall portion of the front cowl panel 98 and the portion corresponding to the cowl closed section 99 of the cowl upper panel 44, respectively.

  By the way, the pair of left and right ducts 86 and 86 shown in FIGS. 3 and 10 are extended to the front side through closed cross sections 17A and 17A between the tunnel portion 16 and the upper tunnel member 17, and FIG. As shown in FIG. 2, the pair of ducts 86, 86 extend to the vicinity of the inclined lower end portion of the front window 97 in the instrument panel 46, and a pair of left and right front defroster ducts 100 and side defroster ducts are provided in the extended portions. 101 is connected in communication to prevent the window glass from fogging. Here, each of the ducts 100 and 101 is formed so as to extend in the vehicle width direction from the extending portion.

  Further, as shown in FIG. 18, a front natural ventilation unit 102 is provided which is disposed in an instrument panel 46 in front of the passenger compartment and introduces traveling wind to blow the traveling wind into the passenger compartment 2. .

  This front natural ventilation unit 102 has bifurcated and substantially symmetrical ducts 103 and 103 communicating with the above-described opening 44 a shown in FIG. 17, and the side duct 103 A constituting one of the ducts 103 has an instrument. The side vent air outlet 104 is provided so as to be positioned on the end side in the vehicle width direction of the panel 46, and the center duct 103B constituting the other side of the duct 103 is positioned on the center side in the vehicle width direction of the instrument panel 46. As described above, a center vent outlet 105 is provided, and these vent outlets 104 and 105 are arranged on the surface portion of the instrument panel 46.

  That is, as indicated by arrows in FIG. 17, the traveling wind flows from the opening 98a of the front cowl panel 98, the cowl closed section 99, and the opening 44a of the cowl upper panel 44 to the pair of left and right natural ventilation ducts 103 and 103. Introduced, this traveling wind is blown into the passenger compartment 2 through a pair of left and right side vent outlets 104 and a center vent outlet 105.

  As shown in FIG. 18, the console 19 at the lower portion of the center vent outlet 105 has an air conditioning control unit 106 as an air conditioning control means for integrally controlling the rear air conditioning unit 12 and the front natural ventilation unit 102. The rear air conditioning unit 12 and the front natural ventilation unit 102 are configured to be integrated and controlled at one location on the front side.

The above-described front natural ventilation unit 102 may adopt the structure of FIG. 19 instead of the structure of FIG.
The front natural ventilation unit 102 shown in FIG. 19 is provided with a tunnel duct 103C branched from the center duct 103B in addition to the structure of the front natural ventilation unit 102 shown in FIG. It is disposed in a closed cross section 17 A between the portion 16 and the upper tunnel member 17.

  Here, the above-described tunnel duct 103C is similarly positioned on the vehicle exterior side with respect to the duct 86 disposed in the closed cross section 17A, and this tunnel duct 103C is used to blow the traveling wind from the front natural ventilation unit 102. The duct 103C is provided with an outlet 107 that blows the traveling wind toward the occupant's thigh and an outlet 108 that blows the traveling wind toward the occupant's feet, so that the traveling wind can be used effectively. It is configured to improve comfort.

  In this case, the outlets 107 and 108 are connected to the tunnel duct 103C through the console 19 and the upper tunnel member 17, and the end of the tunnel duct 103C may be closed downstream of the outlet 107. As shown in FIG. 20, the air conditioning control unit 106 described above may be provided at the center of the console 19 or the instrument panel 46 above the center vent outlet 105.

  Thus, the vehicle air conditioner of the above embodiment is a vehicle air conditioner that includes an air conditioning unit that air-conditions the interior of the passenger compartment 2, and is disposed at the rear of the passenger compartment 2 to introduce at least air in the passenger compartment. The rear air conditioning unit 12 that adjusts the temperature and blows the conditioned air into the passenger compartment 2 and the front natural ventilation unit that is disposed in front of the passenger compartment 2 to introduce the traveling air and blow the running air into the passenger compartment. 102.

According to this configuration, it is possible to achieve both rear air conditioning and natural ventilation.
Moreover, since the rear air conditioning unit 12 is provided in the rear of the passenger compartment 2, there is no need to provide a front air conditioning unit in front of the passenger compartment 2, thereby achieving a reverse layout of the engine 5 and reducing the yaw moment of inertia. Therefore, it is possible to improve the steering stability and the vehicle performance. Furthermore, since the front natural ventilation unit 102 is provided in front of the passenger compartment 2, it is possible to achieve both the backward layout of the engine 5 and the air conditioning performance.

  That is, unlike the general front air conditioning unit, the front natural ventilation unit 102 does not require an evaporator, a heater core, a fan, or the like, and only has a configuration in which running wind is introduced and blown out. And a natural ventilation function.

  The rear air conditioning unit 12 and the front natural ventilation unit 102 are provided with air conditioning control means (see the air conditioning control unit 106) for integrated control.

  According to this configuration, the rear air conditioning unit 12 and the front natural ventilation unit 102 are integrated and controlled at one location by the air conditioning control means (see the air conditioning control unit 106), so that they do not have to be controlled separately. Well, convenience can be improved.

Further, the rear air conditioning unit 12 is disposed at the rear part of the rear bulkhead 9 that partitions the rear part of the passenger compartment 2, and the rear air conditioning unit 12 introduces inside and outside air from a rear cowl part 10 provided at the upper part of the rear bulkhead 9. The conditioned air is blown into the passenger compartment 2.
According to this configuration, it is possible to achieve both the arrangement of the rear air conditioning unit 12 and the introduction of the inside and outside air.

In addition, an engine room 1 provided with an engine 5 is provided in front of the vehicle compartment 2.
According to this configuration, it can be established as a compact vehicle.

The upper part of the passenger compartment 2 is covered with a roof 4 that can be opened and closed.
According to this configuration, air conditioning of the open car can be established with a simple configuration.

Further, an outside air introduction passage 73 that opens from the rear cowl portion 10 to the vehicle body outer wall (see the rear fender panel 71 shown in FIG. 9) is provided.
According to this configuration, outside air can be reliably introduced from the outer wall of the vehicle body.

In addition, an air outlet 79 for spotting the conditioned air from the rear air conditioning unit 12 is provided inside the passenger compartment 2 of the rear bulkhead 9.
According to this configuration, the distance between the rear air conditioning unit 12 and the air outlet 79 is shortened, and the passage length between the both 12 and 79 can be shortened.

An occupant seat 22 (see in particular its seat back 21) is provided inside the passenger compartment 2 of the rear bulkhead 9, and the occupant seat 22 receives the conditioned air from the rear air conditioning unit 12 as a seat. 22 are provided with outlets 82, 82A, 82B that are spotted on the back or / and waist of the occupant seated in the vehicle.
According to this configuration, the air conditioning management of the back or / and the waist of the occupant can be performed, and the comfort level can be improved.

  Furthermore, a tunnel portion 16 extending from the lower portion of the rear bulkhead 9 to the front of the vehicle is provided, and the tunnel portion 16 blows out the conditioned air from the rear air conditioning unit 12 in a spot manner toward the thigh of the occupant. A mouth 87 is provided.

  According to this configuration, air conditioning management of the thigh of the occupant can be performed while effectively using the tunnel portion 16, and the comfort level can be improved.

In addition, a tunnel portion 16 extending from the lower part of the rear bulkhead 9 to the front of the vehicle is provided, and the tunnel portion 16 blows out the conditioned air from the rear air conditioning unit 12 in a spot manner toward the feet of the passenger. A mouth 88 is provided.
According to this configuration, the air conditioning management of the passenger's feet can be performed while effectively using the tunnel portion 16, and the comfort level can be improved.

In addition, a tunnel portion 16 extending from the lower portion of the rear bulkhead 9 to the front of the vehicle is provided, and the tunnel portion 16 is provided with outlets 107 and 108 for blowing the traveling wind from the front natural ventilation unit 102 in a spot manner. It is what was done.
According to this configuration, it is possible to improve the comfort level of the occupant by the traveling wind while effectively using the tunnel portion 16, and in particular, in an open car, it is possible to place importance on ventilation by the traveling wind (natural wind).

In the correspondence between the configuration of the present invention and the above-described embodiment,
The air conditioning control means of this invention corresponds to the air conditioning control unit 106 of the embodiment,
Similarly,
The vehicle body outer wall corresponds to the rear fender panel 71,
The present invention is not limited to the configuration of the above-described embodiment.

The schematic side view of the vehicle provided with the air conditioner of this invention. The top view of FIG. Sectional drawing of the principal part. The principal part enlarged side view of FIG. The side view which shows the inside air introduction state by the position change of an aero board. The side view which shows the external air introduction state by the position change of an aero board. The principal part perspective view of FIG. The side view which shows the other Example of the vehicle air conditioner. The principal part expanded sectional view which follows the AA line of FIG. The perspective view which shows the layout of a duct. The principal part side view of FIG. Sectional drawing which shows the relationship between a seat back and a duct. The side view which shows the other Example of a duct layout. Sectional drawing which shows the other Example of the duct arrangement | positioning structure with respect to a seat back. The top view of the trunk room divided into the several luggage compartment. Sectional drawing which shows the relationship between a suspension damper and a duct. The side view which shows a front natural ventilation unit. The perspective view which shows a front natural ventilation unit. The perspective view which shows the other Example of a front natural ventilation unit. The perspective view which shows the other Example of an air-conditioning control part layout.

DESCRIPTION OF SYMBOLS 1 ... Engine room 2 ... Vehicle compartment 4 ... Roof 5 ... Engine 9 ... Rear bulkhead 10 ... Rear cowl part 12 ... Rear air conditioning unit 16 ... Tunnel part 22 ... Seat 71 ... Rear fender panel (vehicle body outer wall)
73 ... Outside air introduction passage 79, 82, 82A, 82B, 87, 88 ... Outlet 102 ... Front natural ventilation unit 106 ... Air conditioning control unit (air conditioning control means)
107, 108 ... outlet

Claims (9)

A vehicle air conditioner equipped with an air conditioning unit for air conditioning a vehicle interior,
A rear air-conditioning unit that is disposed at the rear of the passenger compartment, introduces at least air inside the passenger compartment, adjusts the temperature, and blows conditioned air into the passenger compartment;
A front natural ventilation unit that is disposed in front of the passenger compartment and introduces the traveling wind to blow the traveling wind into the passenger compartment ;
Air conditioning control means for controlling the rear air conditioning unit and the front natural ventilation unit in an integrated manner ;
A blowout port for blowing the conditioned air from the rear air conditioning unit is provided on the vehicle interior side of the rear bulkhead that partitions the rear of the vehicle compartment.
Vehicle air conditioner. A vehicle air conditioner equipped with an air conditioning unit for air conditioning a vehicle interior,
A rear air-conditioning unit that is disposed at the rear of the passenger compartment, introduces at least air inside the passenger compartment, adjusts the temperature, and blows conditioned air into the passenger compartment;
A front natural ventilation unit that is disposed in front of the passenger compartment and introduces the traveling wind to blow the traveling wind into the passenger compartment;
Air conditioning control means for controlling the rear air conditioning unit and the front natural ventilation unit in an integrated manner;
A passenger seat is provided close to the passenger compartment side of the rear bulkhead that partitions the rear of the passenger compartment,
The occupant seat is provided with a blowout port for blowing the conditioned air from the rear air conditioning unit to the back or / and the waist of the occupant seated on the seat.
Vehicle air conditioner. A vehicle air conditioner equipped with an air conditioning unit for air conditioning a vehicle interior,
A rear air-conditioning unit that is disposed at the rear of the passenger compartment, introduces at least air inside the passenger compartment, adjusts the temperature, and blows conditioned air into the passenger compartment;
A front natural ventilation unit that is disposed in front of the passenger compartment and introduces the traveling wind to blow the traveling wind into the passenger compartment;
Air conditioning control means for controlling the rear air conditioning unit and the front natural ventilation unit in an integrated manner;
A tunnel portion extending forward from the lower part of the rear bulkhead that partitions the rear of the passenger compartment is provided,
The tunnel portion was provided with a blowout port for blowing out the traveling wind from the front natural ventilation unit.
Vehicle air conditioner. The rear air conditioning unit is disposed at the rear part of the rear bulkhead that partitions the rear part of the passenger compartment.
The rear air conditioning unit introduces the inside and outside air from the rear cowl part provided at the upper part of the rear bulkhead,
The vehicle air conditioner according to any one of claims 1 to 3, wherein the vehicle air conditioner is configured to blow conditioned air into a vehicle interior . The vehicle air conditioner according to any one of claims 1 to 4, wherein an engine room in which an engine is disposed is provided in front of the vehicle compartment . The vehicle air conditioner according to any one of claims 1 to 5, wherein an upper portion of the passenger compartment is covered with a roof that can be opened and closed . The vehicle air conditioner according to any one of claims 1 to 6, further comprising an outside air introduction passage that opens from the rear cowl portion to the vehicle body outer wall . A tunnel extending from the lower part of the rear bulkhead to the front of the vehicle is provided,
The vehicle air conditioner according to any one of claims 1 to 7 , wherein the tunnel portion is provided with a blowout port for blowing conditioned air from a rear air conditioning unit to a thigh of an occupant. A tunnel extending from the lower part of the rear bulkhead to the front of the vehicle is provided,
Vehicle air-conditioning equipment according to any one of claims 1-8 for the conditioned air blowout blowing to the feet of the passenger section is provided from the rear air conditioning unit in the tunnel portion.

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