JP2004224285A - Cooling structure of auxiliary machine for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cooling structure of an auxiliary machine for a vehicle that can efficiently cool the vehicle auxiliary machine that is disposed inside a trunk room by running wind and is accompanied by heat generation, does not require additional ducts by disposing a cooling wind passage from a rear deck cross section to a trunk side cross section, and is advantageous in layout, by disposing the vehicle auxiliary machine in a trunk room inside section, disposing the cooling wind passage for guiding running air to a car body side forming the trunk room, and disposing the cooling wind passage from the rear deck cross section to the trunk side cross section of the vehicle. <P>SOLUTION: The vehicle has a trunk room 16 separated from a cabin 11 in the back part of the car body. The vehicle auxiliary machine 18 accompanied by heat generation is disposed in the inside section of the trunk room 16, and the cooling wind passage for guiding the running wind to the vehicle auxiliary machine 18 is disposed on the car body side forming the trunk room 16. The cooling wind passage is disposed from the rear deck cross section α to the trunk side cross section β of the vehicle. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a vehicle auxiliary machine cooling structure in which a vehicle auxiliary machine such as a capacitor or a battery that generates heat is disposed in a trunk room in a vehicle having a trunk room partitioned from a vehicle compartment behind a vehicle body.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as a vehicle accessory cooling structure, in a vehicle having an engine room partitioned from a vehicle compartment in front of a vehicle body, an inverter, a DC-DC converter, and a battery charger for running the vehicle are provided in the engine room. There is a configuration in which the above-described inverter, converter, and battery are cooled by traveling wind introduced into an engine room from a front grill at a front portion of a vehicle (see Patent Document 1).
[0003]
[Patent Document 1]
JP-A-9-126617.
[0004]
[Problems to be solved by the invention]
According to the configuration disclosed in this conventional publication, vehicle auxiliaries in the engine room can be cooled by effectively utilizing the traveling wind.
However, the vehicle having the above-described conventional structure is an electric vehicle, and if this configuration is applied to a general vehicle as it is, the engine will be adversely affected by the heat generated by the vehicle accessory. Therefore, it is conceivable to provide a vehicle accessory such as a capacitor or a battery which generates heat in a trunk room at a rear portion of the vehicle. In this case, however, formation of a cooling air passage for cooling the vehicle accessory becomes a problem.
[0005]
In view of this, the present invention provides a vehicle auxiliary device inside a trunk room, a cooling air passage for guiding traveling wind to a vehicle body forming the trunk room, and the cooling air passage extends from a rear deck section of the vehicle to a trunk side section. As a result, it is possible to efficiently cool the vehicle auxiliary equipment with heat generated disposed inside the trunk room by the traveling wind, and since the cooling air passage is provided from the rear deck section to the trunk side section, An object of the present invention is to provide a cooling structure for vehicle auxiliary equipment, which does not require separate ducts and is advantageous in layout.
[0006]
[Means for Solving the Problems]
A cooling structure for a vehicle accessory according to the present invention is provided in a vehicle having a trunk room partitioned from a vehicle compartment at the rear of a vehicle body, wherein a vehicle accessory with heat generation is disposed inside the trunk room to form the trunk room. A cooling air passage that guides the traveling wind to the vehicle auxiliary machine is provided on the vehicle body side, and the cooling air passage is provided from the rear deck section to the trunk side section of the vehicle.
The vehicle accessory with heat generation having the above configuration may be set as a capacitor or a battery that stores electric energy.
[0007]
According to the above-described configuration, the traveling wind guided to the vehicle accessories through the cooling air passage can efficiently cool the vehicle accessories that generate heat and are disposed inside the trunk room.
Moreover, since the cooling air passage is provided from the cross section of the rear deck to the cross section of the trunk side, no separate ducts are required, which is advantageous in terms of layout.
[0008]
In one embodiment of the present invention, the rear deck is provided with an extractor chamber for discharging inside air from the vehicle interior, and an isolation member for isolating between the inlet of the cooling air passage and the extractor chamber is provided. It is a thing.
[0009]
According to the above configuration, since the inlet of the cooling air passage and the extractor chamber are isolated by the separating member, the extractor chamber and the cooling air passage can be arranged side by side on the rear deck. The intake of traveling air for cooling auxiliary equipment can be compatible.
In addition, since the entrance forming portion of the cooling air passage in the above-mentioned rear deck becomes a positive pressure portion of the air generated when the vehicle travels, the traveling wind can be taken in more favorably.
[0010]
In one embodiment of the present invention, a one-way valve is provided on the separating member that separates the inlet of the cooling air passage from the extractor chamber. According to the above configuration, it is possible to prevent the traveling wind (cooling wind for cooling the auxiliary equipment) from flowing back into the vehicle interior through the extractor chamber by the one-way valve.
[0011]
In one embodiment of the present invention, the outlet of the cooling air passage is provided in a vertical wall portion at a rear end of the vehicle body.
According to the above configuration, since the negative pressure acting on the vertical wall portion during traveling of the vehicle is strong, it is possible to efficiently exhaust the exhaust gas after cooling the vehicle auxiliary equipment.
[0012]
In one embodiment of the present invention, the outlet of the cooling air passage is covered with a rear combination lamp provided on a vertical wall at the rear end of the vehicle body.
According to the above configuration, the appearance of the vehicle can be improved.
[0013]
In one embodiment of the present invention, a second one-way valve is provided at an outlet of the cooling air passage.
According to the above configuration, it is possible to prevent the outside air from flowing from the outlet of the cooling air passage with the above-described second one-way valve.
[0014]
In one embodiment of the present invention, the vehicle accessory is set to a capacitor that stores electric energy.
According to the above configuration, the capacitor can be efficiently cooled.
[0015]
In one embodiment of the present invention, the vehicle accessory is set to a battery.
According to the above configuration, the battery can be efficiently cooled.
[0016]
In one embodiment of the present invention, the vehicle accessory is disposed between a trunk room side wall and a rear fender, and is disposed such that one side surface of the vehicle auxiliary device on the trunk room side and the trunk room side wall are substantially flush. It was done.
According to the above configuration, the amount of protrusion of the vehicle accessory into the trunk room is small or substantially zero, so that the trunk room can be widely used.
[0017]
【Example】
An embodiment of the present invention will be described below in detail with reference to the drawings.
The drawings show the cooling structure of the vehicle accessory. First, the body structure will be described with reference to FIGS.
[0018]
FIG. 1 is a side view of a vehicle with a front door and a rear door removed, and FIG. 2 is a plan view of FIG. 1. 2 and 2 are provided.
[0019]
The side sill 2 is a vehicle body rigid member having a closed side sill cross section extending in the front-rear direction of the vehicle by joining the side sill outer and the side sill inner.
Center pillars 3, 3 are provided extending vertically from the intermediate portions of the left and right side sills 2, 2 in the vehicle longitudinal direction toward the roof.
[0020]
The center pillar 3 is a vehicle body rigid member having a center pillar closed cross section that extends in the vertical direction of the vehicle by joining the center pillar outer and the center pillar inner.
A front passenger occupant entrance 6 is formed on the side of the vehicle body surrounded by the side sill 2, the center pillar 3, the roof, the front pillar 4, and the hinge pillar 5, and the side sill 2, the center pillar 3, the roof, and the rear pillar are formed. An entrance 8 for a rear passenger is formed on the side of the vehicle body surrounded by 7.
[0021]
A front seat 9 and a rear seat 10 are disposed above the floor panel 1 described above. The above-described front seat 9 has a seat cushion 9C, a seat back 9B, and a headrest 9H. Similarly, the rear seat 10 also has a seat cushion 10C, a seat back 10B, and a headrest 10H.
[0022]
A vehicle compartment 11 in which the above-described front seat 9 and rear seat 10 are disposed, and an engine room 12 at the front of the vehicle body are partitioned by a dash panel 13, and a battery 14 is mounted in the engine room 12.
[0023]
In addition, a solar cell 15 (solar cell) that directly obtains electric energy from ultraviolet light and visible light out of energy provided by the sun is disposed on a roof portion that covers the upper part of the cabin 11.
[0024]
Further, a trunk room 16 partitioned from the cabin 11 is provided at the rear of the vehicle body so that the trunk room 16 can be opened and closed by a trunk lid 17. A capacitor 18 is provided as an example of the device.
[0025]
The capacitor 18 is a power storage device that stores electric energy of the solar battery 15.
A cooler box 20 is provided above a rear floor 19 that forms the bottom wall of the above-described trunk room 16.
[0026]
1 and 2, reference numeral 21 denotes a front wheel, 22 denotes a rear wheel, 23 denotes a front side frame, 24 denotes an instrument panel, 25 denotes a steering wheel, and 26 denotes a rear window glass.
[0027]
3 is a schematic perspective view showing a cooling structure of the vehicle accessory, FIG. 4 is a sectional view taken along line AA of FIG. 3, FIG. 5 is a sectional view taken along line BB of FIG. 3, and FIG. 3 is a sectional view taken along line CC of FIG. 3, and FIG. 7 is a sectional view taken along line DD of FIG.
[0028]
As shown in FIGS. 3 and 4, a trunk room side wall 27 is erected and fixed to a side end of a rear floor 19 constituting a bottom wall of the trunk room 16, and upper and lower brackets are provided in an opening 27 a formed in the trunk room side wall 27. The capacitor 18 is fixed via 28 and 29.
[0029]
While the rear fender 30 is provided from the upper end of the above-mentioned trunk room side wall 27 to the outside of the vehicle, a cooling fin 31 is attached to the surface of the capacitor 18 on the side of the rear fender 30 as a heat radiating means. ing.
[0030]
A reinforcement 33 is joined to an inner surface of the trunk lid 17 which covers the trunk room 16 so as to be openable and closable. In FIG. 4, reference numeral 34 denotes a trunk board provided on the upper surface of the rear floor 19, and reference numeral 35 denotes a seal member provided in a concave portion 30a integrally formed on the upper part of the rear fender 30. The seal member closes the trunk lid 17. At times, it seals the space between the recess 30a and the reinforcement 33, in other words, the inside and outside of the trunk room 16.
[0031]
A cooling air passage that guides traveling wind to a capacitor 18 as a vehicle accessory is provided on the vehicle body side that forms the above-described trunk room 16, and this cooling air passage is shown in FIG. 3 from the rear deck cross section α of the vehicle shown in FIG. Since this is provided over the trunk side cross section β, this configuration will be described in detail below.
[0032]
As shown in FIGS. 3 and 5, a rear deck member 36 extending in the vehicle width direction is provided at a position corresponding to the lower end of the rear window glass 26 at the rear of the vehicle compartment 11.
[0033]
The rear deck member 36 is a rigid body member having a rear deck upper member 37 and two rear deck lower members 38 and 39, and is formed by the rear deck upper member 37 and the rear deck lower members 38 and 39. The interior space of the rear deck having a closed cross section is separated forward and backward by a reinforcement 40 and partitioned into a front extractor chamber 41 and a rear cooling air passage 42.
[0034]
On the extractor chamber 41 side, an inlet port 43 is opened in the rear deck upper member 37, and an outlet port 44 is opened in the reinforcement 40 as a separating member.
[0035]
A running air inlet 46 is formed at the rear of the rear deck upper member 37 on the cooling air passage 42 side so as to correspond to a valley 45 formed by the rear window glass 26 and the trunk room 16.
[0036]
A one-way valve 47 is attached to an outlet port 44 of the reinforcement 40 as an isolation member for isolating the traveling air inlet 46 of the cooling air passage 42 from the extractor chamber 41.
[0037]
The one-way valve 47 includes a rectangular frame-shaped valve body 47b having an opening 47a and a film-shaped valve 47c made of rubber or the like as shown in a perspective view in FIG. In order to discharge the air in the vehicle interior to the outside of the vehicle for the purpose of performing the operation, the air in the vehicle interior flowing from the inlet port 43 is once introduced into the extractor chamber 41 and then rained out as shown by an arrow a in FIG. The air is discharged from the outlet port 44 of the force 40 to the outside of the vehicle through the one-way valve 47, the cooling air passage 42, and the traveling air inlet 46.
[0038]
Further, as shown by an arrow b in FIG. 5, when traveling wind is taken into the cooling air passage 42 from the traveling air inlet 46 during traveling of the vehicle, the valve 47c of the one-way valve 47 is closed, and the traveling wind is transmitted to the extractor chamber 41 and the vehicle. This prevents the inflow into the chamber 11.
[0039]
Incidentally, it is known that a negative pressure region and a positive pressure region are formed when the vehicle travels as shown in FIG.
The traveling air inlet 46 of the cooling air passage 42 is formed so as to correspond to the positive pressure portion. In FIG. 5, reference numeral 48 denotes a rear package tray, and reference numeral 35 denotes a seal member provided on a rear end bent portion 37a of the rear deck upper member 37. The seal member 35 allows the reinforcement 33 on the lower surface of the trunk lid 17 and the trunk room. A seal is made between them. 49 is an adhesive, and 50 is a dam.
[0040]
FIG. 6 shows the configuration of the trunk side cross-section β. Inside the rear fender 30, a cooling air passage 52 surrounded by the rear fender 30, the trunk room side wall 27, and the wheel house outer 51 is formed.
The cooling air passage 52 of the trunk side cross section β communicates with the cooling air passage 42 of the rear deck cross section α shown in FIG. In FIG. 6, reference numeral 53 denotes a wheel house inner.
[0041]
FIG. 7 is a cross-sectional view of a portion where the rear combination lamp 54 is disposed (a cross-sectional view taken along the line DD in FIG. 3). A vertical combination portion 56 at the rear end of the vehicle body shown in FIG. And a rear combination lamp 54 in which a lens body 57 and a plurality of lamps 58, 59, 60 are integrated.
[0042]
In this embodiment, the above-described vertical wall portion 55 is formed by the rear end panel 61, and the rear combination lamp 54 is attached so as to cover the vertical wall portion 55.
A cooling air passage 62 communicating with the cooling air passages 42 and 52 is formed between the rear end panel 61 and the bent portion on the rear side of the trunk room side wall 27, as shown in FIG. A running air outlet 63 (so-called exhaust port) of a cooling air passage 62 is opened in the rear end panel 61 on the rear side (front side) of the rear combination lamp 54 corresponding to the negative pressure portion during running of the vehicle.
[0043]
Further, as shown in FIG. 7, a second one-way valve 64 is attached to the traveling air outlet 63 of the cooling air passage 62. Since the structure of the second one-way valve 64 is the same as that of FIG. 9, the same parts are denoted by the same reference numerals.
[0044]
A passage 65 and a slit-like opening 66 are formed in the lens body 57 so as to communicate with the opening 47 a of the second one-way valve 64. The traveling wind flowing out through the one-way valve 64 is configured to be discharged outside the vehicle through the above-described passage 65 and the slit-shaped opening 66. In FIG. 7, reference numeral 67 denotes a rear bumper.
[0045]
The illustrated embodiment is configured as described above, and the operation will be described below.
The solar battery 15 shown in FIGS. 1 and 2 directly obtains electric energy from the energy of the sun, and this electric energy is stored in the capacitor 18, which generates heat.
[0046]
Therefore, the above-described capacitor 18 is cooled by effectively utilizing the positive pressure and the negative pressure in the positive pressure region and the negative pressure region (see FIG. 8) of the air formed during traveling of the vehicle.
That is, as shown by the arrow b in FIGS. 3 and 5, traveling wind is taken into the traveling wind inlet 46 of the cooling air passage 42 from the above-mentioned valley portion 45 where the positive pressure is high, and the traveling wind is formed on the rear deck member 36. Along the cooling air passage 42 (see arrow c).
[0047]
Next, as indicated by an arrow c in FIG. 3, the traveling wind is guided to the cooling air passage 52 of the trunk side cross section β, and the capacitor 18 is connected to the cooling fin 31 (see FIG. 4) provided in the cooling air passage 52. Cooling.
[0048]
The traveling wind after the cooling of the capacitor 18 reaches the traveling wind outlet 63 from the cooling air passages 52 and 62 as shown by an arrow d in FIGS. 3 and 7, and further passes through the lens body 57 of the rear combination lamp 54. It is discharged to the outside of the vehicle through the opening 65 and the slit-shaped opening 66.
[0049]
Here, as shown by an arrow b in FIG. 5, when the traveling air flows into the cooling air passage 42 from the traveling air inlet 46 of the rear deck member 36, the one-way valve 47 is closed. Can be prevented from flowing into the vehicle interior 11 through the extractor chamber 41.
[0050]
On the other hand, when the door is opened and closed when the vehicle is stopped, the air in the cabin 11 is supplied to the inlet port 43, the extractor chamber 41, and the outlet as shown by an arrow a in FIG. Since the air is discharged to the outside of the vehicle through the port 44, the opened one-way valve 47, the cooling air passage 42, and the traveling air inlet 46, the door can be opened and closed smoothly.
[0051]
As described above, in the vehicle accessory cooling structure according to the embodiment shown in FIGS. 1 to 9, in a vehicle having a trunk room 16 partitioned from a vehicle compartment 11 behind a vehicle body, heat is generated inside the trunk room 16. Auxiliary equipment (see capacitor 18) is provided, and cooling air passages 42, 52, 62 for guiding the traveling wind to the auxiliary equipment (see capacitor 18) are provided on the vehicle body side forming the trunk room 16. The cooling air passages 42, 52, 62 are provided from the rear deck section α to the trunk side section β of the vehicle.
[0052]
According to this configuration, the traveling wind guided to the vehicle accessories (see capacitor 18) through cooling air passages 42 and 52 causes the heat-generating vehicle accessories (see capacitor 18) disposed inside trunk room 16. Can be efficiently cooled.
Moreover, since the cooling air passages 42 and 52 are provided from the rear deck cross section α to the trunk side cross section β, no separate ducts are required, which is advantageous in layout.
[0053]
Further, an extractor chamber 41 for discharging inside air from the interior of the vehicle cabin 11 is provided in the rear deck (see the rear deck member 36), and separates the inlet 46 of the cooling air passage 42 from the extractor chamber 41. This is provided with a separating member (see reinforcement 40).
[0054]
According to this configuration, the entrance 46 of the cooling air passage 42 and the extractor chamber 41 are isolated from each other while the rigidity of the vehicle body is improved by the isolation member (see the reinforcement 40). ), The extractor chamber 41 and the cooling air passage 42 can be arranged side by side, so that the exhaust of the inside air and the intake of the traveling air for cooling the vehicle auxiliary equipment (see the capacitor 18) can be made compatible.
Further, since the portion of the rear deck where the inlet 46 of the cooling air passage 42 is formed is a positive pressure portion of the air generated when the vehicle travels, the traveling wind can be taken in more favorably.
[0055]
In addition, a one-way valve 47 is provided on an isolation member (see the reinforcement 40) for isolating between the inlet 46 of the cooling air passage 42 and the extractor chamber 41.
According to this configuration, the one-way valve 47 can prevent traveling air (cooling air for cooling auxiliary equipment) from flowing back into the vehicle interior 11 through the extractor chamber 41.
[0056]
An outlet 63 of the cooling air passage 62 is provided in the vertical wall portion 55 at the rear end of the vehicle body as shown in FIGS.
According to this configuration, since the negative pressure acting on the vertical wall portion 55 during traveling of the vehicle is strong, it is possible to efficiently exhaust the exhaust gas after cooling the vehicle accessories (see the capacitor 18).
[0057]
Further, the outlet 63 of the cooling air passage 62 is covered with a rear combination lamp 54 provided on the vertical wall portion 55 at the rear end of the vehicle body.
According to this configuration, the appearance of the vehicle can be improved.
[0058]
In addition, a second one-way valve 64 is provided at the outlet 63 of the cooling air passage 62.
According to this configuration, it is possible to prevent the outside air from flowing from the outlet 63 of the cooling air passage 62 by the second one-way valve 64 described above.
[0059]
In addition, since the vehicle accessory is set to the capacitor 18 that stores electric energy, the capacitor 18 as a vehicle accessory that generates heat can be efficiently cooled.
[0060]
Here, as the vehicle accessory, a sub-battery may be used instead of the above-described capacitor 18, and in this case, the sub-battery is efficiently cooled by a configuration substantially similar to the configuration shown in FIGS. can do.
[0061]
FIG. 10 shows another embodiment of the one-way valve 47 or 64. The upper part of a film-like valve 47c made of rubber or the like is bent in an inverted U-shape, and this bent part 47d is formed into a square frame-shaped valve body 47b. It is fixed to.
[0062]
With this configuration, the force required to open the valve 47c is reduced, and the valve 47c is largely opened, so that the flow resistance when the valve is opened is reduced. When the backflow is prevented, the valve 47c is brought into close contact with the edge of the opening 47a as shown by the imaginary line in FIG. 10 to close the opening 47a, so that the backflow can be prevented well.
[0063]
Even if the one-way valve of FIG. 10 is used instead of the one-way valves 47 and 64 of the previous embodiment shown in FIGS. Are given the same reference numerals, and detailed description thereof is omitted.
[0064]
FIG. 11 shows still another embodiment of the cooling structure of the vehicle accessory. A capacitor 18 as a vehicle accessory is provided between upper and lower brackets 28 and 29 between an opening 27a of a trunk room side wall 27 and a rear fender 30. In this embodiment, the majority of the capacitor 18 is provided in the cooling air passage 52 so that one side surface 18a of the capacitor 18 on the trunk room 16 side and the trunk room side wall 27 are substantially flush with each other. It was done.
[0065]
In addition, a trim member 32 that covers the capacitor 18 and the trunk room 16 side of the trunk room side wall 27 is formed so as to extend straight in the vertical direction, and the trim member 32 is a maintenance lid that can be opened and closed with a hinge 70 as a fulcrum. 71 is provided.
[0066]
As described above, in the embodiment shown in FIG. 11, the vehicle accessory (see capacitor 18) is disposed between the trunk room side wall 27 and the rear fender 30, and the vehicle accessory (see capacitor 18) on the trunk room 16 side. The one side surface 18a and the trunk room side wall 27 are disposed so as to be substantially flush.
According to this configuration, the protrusion amount of the vehicle auxiliary equipment (see the capacitor 18) into the trunk room 16 is small or almost zero, so that the trunk room 16 can be widely used.
[0067]
In correspondence between the configuration of the present invention and the above-described embodiment,
The vehicle accessory of the present invention corresponds to the capacitor 18 or the sub-battery (not shown) of the embodiment,
Similarly,
The rear deck corresponds to the rear deck member 36,
The isolation member corresponds to the reinforcement 40,
The present invention is not limited only to the configuration of the above embodiment.
[0068]
【The invention's effect】
According to the present invention, the vehicle accessory is disposed inside the trunk room, the cooling air passage for guiding the traveling wind is provided on the vehicle body side forming the trunk room, and the cooling air passage extends from the rear deck section of the vehicle to the trunk side section. As a result, the vehicle auxiliary equipment with heat generated in the interior of the trunk room can be efficiently cooled by the traveling wind, and the cooling air passage is provided from the rear deck section to the trunk side section. There is no need for separate ducts, which has the advantage of being advantageous in terms of layout.
[Brief description of the drawings]
FIG. 1 is a side view of a vehicle provided with a vehicle accessory cooling structure of the present invention.
FIG. 2 is a plan view of the vehicle.
FIG. 3 is a schematic perspective view showing a cooling structure of the vehicle accessory.
FIG. 4 is a sectional view taken along line AA of FIG. 3;
FIG. 5 is a sectional view taken along line BB of FIG. 3;
FIG. 6 is a sectional view taken along line CC of FIG. 3;
FIG. 7 is a sectional view taken along line DD in FIG. 3;
FIG. 8 is an explanatory diagram of a positive pressure region and a negative pressure region generated during running of the vehicle.
FIG. 9 is a perspective view of a one-way valve.
FIG. 10 is a sectional view showing another embodiment of the one-way valve.
FIG. 11 is a cross-sectional view showing another embodiment of the cooling structure of the vehicle accessory.
[Explanation of symbols]
α: Rear deck cross section β: Trunk side cross section 11: Cabin 16: Trunk room 18: Capacitor (vehicle auxiliary equipment)
27 ... trunk dome side wall 30 ... rear fender 36 ... rear deck member 40 ... reinforcement (isolation member)
41 Extractor chambers 42, 52, 62 Cooling air passage 46 Inlet 47 One-way valve 54 Rear combination lamp 55 Vertical wall 63 Outlet 64 Second one-way valve

Claims (9)

In a vehicle having a trunk room partitioned from a vehicle room behind the vehicle body,
Vehicle auxiliary equipment with heat generation is arranged inside the above trunk room,
On the vehicle body side forming the trunk room, a cooling air passage for guiding traveling wind to the vehicle auxiliary machine is provided,
The cooling air passage is a cooling structure for a vehicular accessory that is provided from a section of a rear deck to a section of a trunk side of the vehicle. An extractor chamber for discharging inside air from the passenger compartment is provided in the rear deck,
2. The cooling structure for an auxiliary device for a vehicle according to claim 1, further comprising an isolation member for isolating between an inlet of the cooling air passage and the extractor chamber. 3. The cooling structure for a vehicle accessory according to claim 2, wherein a one-way valve is provided on an isolation member for isolating between the inlet of the cooling air passage and the extractor chamber. The cooling structure for a vehicle accessory according to any one of claims 1 to 3, wherein an outlet of the cooling air passage is provided in a vertical wall portion at a rear end of the vehicle body. 5. The cooling structure for a vehicle accessory according to claim 4, wherein an outlet of the cooling air passage is covered with a rear combination lamp provided on a vertical wall at a rear end of the vehicle body. 6. The cooling structure for a vehicle accessory according to claim 5, wherein a second one-way valve is provided at an outlet of the cooling air passage. The cooling structure for a vehicle accessory according to any one of claims 1 to 6, wherein the vehicle accessory is set as a capacitor that stores electric energy. The cooling structure for a vehicle accessory according to any one of claims 1 to 6, wherein the vehicle accessory is set to a battery. The vehicle accessory is disposed between a trunk room side wall and a rear fender,
The cooling structure for a vehicle accessory according to any one of claims 1 to 8, wherein one side surface of the vehicle accessory on the trunk room side and the side wall of the trunk room are disposed substantially flush with each other.

Images