JP6155244B2 - vehicle - Google Patents

Description

  The present invention relates to a vehicle, and more particularly to a vehicle that takes in air in a passenger compartment and cools an electrical device that is installed in a center console.

  A hybrid vehicle or an electric vehicle is equipped with a high voltage battery as a drive source for the electric motor. In recent years, it has been studied to arrange a high-voltage battery in the vehicle interior, and a center console that accommodates the high-voltage battery is arranged between a pair of front seats arranged in the left-right direction of the vehicle, taking in the air in the vehicle interior and cooling There has been proposed a power supply device configured to do so (for example, see Patent Documents 1 and 2).

  Japanese Patent Laid-Open No. 2004-228688 extends from the one end relatively far from the battery pack toward the other end near the battery pack, and the other end is vertically above the one end. A louver that is inclined with respect to the horizontal direction is provided so as to prevent liquid from entering the intake duct. In Patent Document 2, an air introduction slit is formed in the lower part on the rear side of the center console box, and the battery pack is cooled by taking air inside the vehicle compartment from the air introduction slit into the center console box.

JP 2006-347318 A JP 2007-223523 A

  In the structure disclosed in Patent Document 1, intrusion of liquid is prevented by a louver provided at the air inlet and inclined with respect to the horizontal direction. However, since the air intake duct from the air inlet to the battery pack has a crank shape, Pressure loss occurs when taking in indoor air as cooling air.

  In addition, the structure disclosed in Patent Document 2 does not have a configuration for reducing the pressure loss when air in the vehicle compartment is taken into the center console box, and foreign matter such as liquid and dust enters the center console box. No measures are taken against doing this.

  An object of the present invention is to provide a vehicle that has a low pressure loss when air for cooling an electric device is taken into a center console and can prevent foreign matter from entering an intake duct.

In order to achieve the above object, the invention described in claim 1
In a vehicle (for example, the vehicle 10 in the embodiment described later) provided with a center console (for example, the center console 30 in the embodiment described later) that houses an electrical device (for example, the electrical device D in the embodiment described later). There,
The center console has an intake grill (for example, an intake grill 56 in an embodiment described later) for taking in air in a passenger compartment (for example, an interior 87 of the embodiment described later),
An intake duct (for example, an intake duct 37 in an embodiment described later) for guiding the air taken in from the intake grill to the electric device side is disposed in the center console,
An opening of the intake duct (for example, an opening 63 in the embodiment described later) is a bottom wall (for example, a bottom wall 64 in the embodiment described later) extending obliquely downward toward the intake grill. A side wall (for example, a left side wall 68 and a right side wall 69 in an embodiment described later) extending toward the intake grill at both ends of the bottom wall in the width direction of the opening,
The bottom wall has two projecting portions (for example, a left projecting portion 64a and a right projecting portion 64b in an embodiment described later) extending to one end and the other in the width direction of the opening at the end on the intake grill side. )
Each side wall of the side wall extends in the width direction of the opening along the protrusion ,
At least a portion of said end portion of the intake grille side of the bottom wall, that are spaced apart with respect to the intake grill.

The invention according to claim 2 is the invention according to claim 1,
A maintenance / inspection switch for the electrical device (for example, a maintenance / inspection switch 61 in an embodiment described later) is disposed below the bottom wall.

In the invention according to claim 3, in the invention according to claim 1 or 2,
The intake duct guides air taken in from the intake grill to one side surface of the electrical device through the opening,
Of the two protrusions, from the side wall (for example, the left side wall 68 in the embodiment described later) of the protrusion provided on the one side surface (for example, the left protrusion 64a in the embodiment described later). More than the length (for example, length B in the later-described embodiment) up to the intake grille-side edge (for example, the intake grill-side edge 64c in the later-described embodiment) An intake grille side edge (for example, in a later-described embodiment) from the side wall (for example, a right-side wall 69 in a later-described embodiment) in a protrusion (for example, a right-projecting part 64b in a later-described embodiment) The length to the intake grill side edge 64c) (for example, the length A in the embodiment described later) is longer.

  According to the first aspect of the present invention, the two protruding portions provided at the end portion on the intake grill side of the bottom wall forming the opening portion of the intake duct and the width of the opening portion along the protruding portion. A funnel shape into which air in the passenger compartment is drawn is formed by side walls extending in both directions. For this reason, the pressure loss at the time of the air in a vehicle interior being suck | inhaled from an intake grille reduces. Further, since the bottom wall extends obliquely downward toward the intake grill, it is possible to prevent foreign matters such as water, dust, coins, and clips that have entered from the intake grill from entering the intake duct. Furthermore, according to the structure of the protrusion part which the bottom wall extended diagonally downward, and the front-end | tip part of a side wall, the liquid dripped at the bottom wall via the intake grille can be satisfactorily dripped in a protrusion part. . That is, the liquid can be removed from the bottom wall.

  According to the second aspect of the present invention, since the maintenance inspection switch for the electrical device is disposed below the bottom wall, the maintenance inspection switch protection member is not separately provided, and the foreign matter entering from the intake grille can be prevented. Maintenance switch can be protected.

  According to the third aspect of the present invention, the side opposite to the length from the side wall to the intake grille side edge of the protrusion provided on one side surface of the electric device through which the air taken in from the intake grille is guided Since the length from the side wall of the protruding portion provided on the side surface to the end edge on the intake grill side is longer, the pressure loss of the air flow sucked into the intake duct from the intake grill is small, and the intake efficiency is improved.

It is a perspective view which shows the center console arrange | positioned between the front seat of the vehicle which concerns on one Embodiment of this invention, and a front seat. It is a top view of a center console. FIG. 3 is a partial cross-sectional view taken along line AA in FIG. 2. It is a disassembled perspective view of the electric device accommodated in a center console. It is a perspective view of an intake duct. It is a top view of the opening part of an intake duct. It is sectional drawing of a center console rear part. It is CC sectional view taken on the line of FIG.

Hereinafter, a vehicle according to an embodiment of the present invention will be described with reference to the drawings. It should be noted that the drawings are viewed in the direction of the reference numerals, and in the following description, front, rear, left and right, and top and bottom are in accordance with the direction seen from the driver, and the front of the vehicle is Fr, the rear is Rr, the left is L, the right is R, upper is shown as U, and lower is shown as D.
1 is a perspective view showing a center console disposed between a front seat and a front seat of a vehicle according to an embodiment of the present invention, FIG. 2 is a plan view of the center console, and FIG. It is a fragmentary sectional view of a console.

  As shown in FIGS. 1 to 3, in the vehicle 10 according to the present embodiment, a center console 30 is disposed on a center tunnel 12 formed in a floor panel 11, and an electric device D is built in the center console 30.

<Center console>
The center console 30 is disposed between the left front seat 14L and the right front seat 14R, and is provided with an upper surface provided with a cup holder 52, a shift knob 51, a tray 53 that can accommodate small items, an occupant's armrest 54, and the like in order from the front. An internal space is covered with a cover 55. A cover member 57 provided with an intake grill 56 is attached to the rear end of the exterior cover 55. The intake grill 56 takes in the air in the passenger compartment 87 as cooling air for the electric device D when a cooling fan 36 described later operates.

<Electrical device>
Next, the electric device D housed in the center console 30 will be described in detail with reference to FIGS. 3 and 4. FIG. 4 is an exploded perspective view of the electric device D. FIG.
The electric device D includes a high voltage battery 32, an ECU 41, and a high voltage system device 35. The high voltage battery 32, the ECU 41, and the high voltage system device 35 are supported by the frame member 31 to be unitized. Yes. The frame member 31 includes an upper frame member 31U, a lower frame member 31D, and an intermediate frame member 31M that connects the upper frame member 31U and the lower frame member 31D. The front cover member 31F, the left cover member 31L, and the right cover member It is configured by being surrounded by 31R and the rear cover member 31B.

  The high voltage battery 32, the ECU 41, and the high voltage system device 35 are arranged in this order from the rear of the vehicle. The high-voltage equipment 35 includes a junction box 33 attached to the front surface of the intermediate frame member 31M, and a converter (PCU) 34 that is disposed in front of the junction box 33 and converts the voltage of the high-voltage battery 32. The The ECU 41 described above is attached to the rear surface of the intermediate frame member 31M. The converter (PCU) 34 includes a DC-DC converter 42 and an inverter 44. In the space formed between the front cover member 31F and the junction box 33, the DC-DC converter 42 and the inverter 44 are arranged on the left and right. Has been placed.

  An intake duct 37 is attached to the left side surface of the high-voltage battery 32 with the left cover member 31L, and an exhaust duct 38 is attached to the right side surface with the right cover member 31R. A cell voltage sensor (CVS) 46 is covered with a CVS cover 45 and fixed to the lower surface of the lower frame member 31D. The electric device D is fixed to the center tunnel 12 by bolting the lower frame member 31 </ b> D to the center tunnel 12. A cooling fan 36 is attached to the front surface of the front cover member 31F, and air taken from the intake grill 56 of the center console 30 by the cooling fan 36 passes through the intake duct 37 → the high pressure battery 32 → the exhaust duct 38. Then, the air is sucked into the cooling fan 36 from the exhaust duct 38 through the cooling passage 39 formed between the DC-DC converter 42 and the inverter 44, and is exhausted from the cooling fan 36 to the exhaust passage 80F. The exhaust flow path 80F is a flow path for exhausting the cooling air discharged from the cooling fan 36 into the vehicle interior 87 through the side trim. However, the exhaust flow path 80F is not directly related to the present invention. Description is omitted.

<Intake duct>
Next, the opening 63 and the like of the intake duct 37 will be described with reference to FIGS. 5 is a perspective view of the intake duct 37, FIG. 6 is a plan view of the opening 63 of the intake duct 37, FIG. 7 is an enlarged sectional view of the rear portion of the center console 30, and FIG. FIG. 8 is a cross-sectional view taken along the line CC of FIG.

  The intake duct 37 is formed by integrating an intake portion 66 disposed to face the cover member 57 and an air guide portion 67 disposed on the left side surface of the high-voltage battery 32 so as to have a substantially L shape when viewed from above. Yes. In the intake section 66 and the air guide section 67, flow paths 66f and 67f are formed inside by two opposing thin plates. An opening portion 63 that opens toward the intake grill 56 provided in the cover member 57 is provided in the upper half portion of the intake portion 66, and a plurality of communication holes are formed on the surface of the air guide portion 67 that faces the high voltage battery 32. 67a is provided. For this reason, as shown by a dotted line in FIG. 8, the air taken in from the intake grill 56 is formed in the air guide portion 67 through the flow path 66 f formed in the intake portion 66 from the opening 63 of the intake duct 37. Is guided to the flow path 67f. The cooling air guided to the flow path 67f is supplied to the high voltage battery 32 from the communication hole 67a, cools the high voltage battery 32, and then flows to the exhaust duct 38.

  The opening 63 of the intake duct 37 includes a bottom wall 64 extending obliquely downward toward the intake grill 56 from the front to the rear, and left and right of the bottom wall 64 in the width direction (left-right direction) of the opening 63. Left and right side walls 68 and 69 extending toward the intake grill 56 at both ends, and a flange 70 that forms the upper edge of the opening 63 are provided.

  At the end of the bottom wall 64 on the intake grill 56 side, a left projecting portion 64 a and a right projecting portion 64 b extending in one and the other in the width direction (left-right direction) of the opening 63 are provided. In addition, a curved portion 68a that is curved in an arc shape is formed on the left end in the width direction (left-right direction) of the opening 63 along the left protruding portion 64a. Similarly, a curved portion 69a that is curved in an arc shape on the right side in the width direction (left-right direction) of the opening 63 is formed along the right protruding portion 64b at the distal end portion of the right wall 69. That is, the air in the passenger compartment 87 is passed through the intake grill 56 to the opening 63 by the left protrusion 64a and the right protrusion 64b, and the curved portion 68a of the left side wall 68 and the curved portion 69a of the right side wall 69. A funnel shape is formed.

  The bottom wall 64 is inclined downward from the left and right ends where the left side wall 68 and the right side wall 69 are formed toward a substantially central portion in the width direction (left and right direction) of the opening 63. That is, the vertical cross section of the bottom wall 64 forms a substantially V shape.

  As shown in FIG. 6, the length A from the right side wall 69 to the intake grill side edge 64c of the bottom wall 64 in the right protruding portion 64b is the left side wall 68 to the intake grill side edge of the bottom wall 64 in the left protruding portion 64a. It is formed to be longer than the length B up to the end 64c. Further, the intake grill side edge 64 c of the bottom wall 64 is located below the lower edge 56 b of the intake grill 56.

  As shown in FIG. 7, a maintenance inspection switch 61 is disposed in the space between the electric device D and the cover member 57 below the bottom wall 64 extending toward the intake grill 56. . The maintenance / inspection switch 61 is further covered with a rear cover member 31 </ b> B disposed inside the cover member 57. The maintenance / inspection switch 61 is an apparatus for safely performing work by shutting off a circuit with the high-voltage battery 32 when performing maintenance of the electric device D or the like. In addition, a space 65 provided between the cover member 57 and the rear cover member 31B in the center console 30 is configured such that water, dust, coins, clips, and other foreign matter that have entered from the intake grill 56 are opened in the intake duct 37. It is used as a foreign substance storage space when it is captured by the bottom wall 64 formed in 63 and dropped downward.

  As described above, according to the vehicle 10 according to the present embodiment, the left protruding portion 64a and the right protruding portion provided at the end of the bottom wall 64 that forms the opening 63 of the intake duct 37 on the intake grill 56 side. 64b, a left side wall 68 having a tip extending along the left protruding portion 64a in the left direction in the width direction of the opening 63, and a right end in the width direction of the opening 63 along the right protruding portion 64b. The right side wall 69 extending in the direction forms a funnel shape into which air in the passenger compartment 87 is drawn. For this reason, the pressure loss when the air in the passenger compartment 87 is sucked from the intake grill 56 is reduced. Further, since the bottom wall 64 extends obliquely downward toward the intake grill 56, foreign matter such as water, dust, coins, and clips that have entered from the intake grill 56 are prevented from entering the intake duct 37. Can do. Furthermore, according to the configuration of the projecting portions 64a and 64b of the bottom wall 64 extending obliquely downward and the tip portions of the side walls 68 and 69, the liquid dropped on the bottom wall 64 through the intake grill 56 projects. The portions 64a and 64b can be satisfactorily suspended. That is, the liquid can be separated from the bottom wall 64 with water.

  Further, since the maintenance / inspection switch 61 of the electrical device D is disposed below the bottom wall 64, the maintenance / inspection switch 61 can be protected from foreign matter entering from the intake grill 56 without separately providing a protection member for the maintenance / inspection switch 61. 61 can be protected.

  Furthermore, it is on the opposite side of the length B from the left side wall 68 to the end edge on the intake grill side in the left protrusion 64a provided on one side surface of the electric device D through which the air taken in from the intake duct 37 is guided. Since the length A from the right side wall 69 to the intake grill side edge at the right protrusion 64b provided on the side surface is longer, the pressure loss of the air flow sucked into the intake duct 37 from the intake grill 56 is small, and the intake efficiency Will improve.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. For example, the center tunnel 12 may be formed of only the floor panel 11 or may be an integrally molded product in which the floor panel 11 is covered with a center tunnel cover.

DESCRIPTION OF SYMBOLS 10 Vehicle 30 Center console 37 Intake duct 56 Intake grill 61 Maintenance inspection switch 63 Opening 64 Bottom wall 64a Left protrusion (protrusion)
64b Right protrusion (protrusion)
68 Left side wall
69 Right side wall
87 Cabin D Electrical Device A Length B from the right side wall to the bottom grille edge on the bottom wall Length from the left side wall to the bottom grille edge on the bottom wall

Claims (3)

A vehicle with a center console that houses electrical devices,
The center console has an intake grill for taking in air in the passenger compartment,
An intake duct for guiding air taken from the intake grill to the electric device side is disposed in the center console,
The opening of the intake duct includes a bottom wall extending obliquely downward toward the intake grill, and side walls extending toward the intake grill at both ends of the bottom wall in the width direction of the opening. Have
The bottom wall has two protrusions extending at one end and the other in the width direction of the opening at the end on the intake grille side,
Each side wall of the side wall extends in the width direction of the opening along the protrusion ,
Wherein at least a portion of said end portion of the intake grille of the bottom wall, it is away from the said intake grille, the vehicle. The vehicle according to claim 1,
A vehicle in which a switch for maintenance and inspection of the electrical device is disposed below the bottom wall. The vehicle according to claim 1 or 2,
The intake duct guides air taken in from the intake grill to one side surface of the electrical device through the opening,
Of the two protrusions, in the protrusion provided on the side opposite to the one side, than the length from the side wall to the intake grille side edge of the protrusion provided on the one side. A vehicle having a longer length from the side wall to the edge on the intake grill side.

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