JP7020131B2 - vehicle - Google Patents

Description

The present disclosure relates to a vehicle, and more particularly to the configuration of a cooling device for cooling a battery pack mounted on the vehicle.

Japanese Patent Application Laid-Open No. 2015-217862 discloses a cooling device for cooling a battery mounted on a vehicle. This cooling device supplies cooling air to a battery installed behind or below the rear seats of the vehicle. An intake port is provided in the seat side garnish arranged in the front-rear direction of the vehicle along the lower portion of the rear door opening, and air (cooling air) taken in from the intake port is supplied to the battery through the intake duct (patented). See Document 1).

JP-A-2015-217862

Since the seat side garnish is a member fixed to the vehicle body, in the above cooling device, in order to discharge the dust accumulated in the intake port to the outside of the vehicle, a member around the intake port (for example, a bezel provided in the intake port) or It is necessary to remove the seat side garnish itself, etc.), and it takes time and effort to clean the intake port.

The present disclosure has been made to solve such a problem, and the purpose of the present disclosure is to collect dust accumulated in an intake port for taking in cooling air supplied to the battery pack in a vehicle equipped with the battery pack. Is to be able to be easily discharged to the outside of the vehicle.

The vehicle in the present disclosure includes a battery pack, an intake duct connected to the battery pack, and a door trim provided on the vehicle interior side of the door. The door trim is formed with a ventilation duct, an intake port for taking in the air in the vehicle interior into the ventilation duct, and a connecting port communicating with the intake port through the ventilation duct. The connecting port is provided at a position where the ventilation duct is connected to the intake duct when the door is closed.

In this vehicle, an intake port for taking in the cooling air supplied to the battery pack is provided in the door trim. When the door is closed, the ventilation duct is connected to the intake duct through the connecting port provided in the door trim, and the air in the vehicle interior taken in from the intake port is supplied to the battery pack through the ventilation duct and the intake duct. When the door is opened, the intake port is opened to the outside of the vehicle together with the door trim. Therefore, according to this vehicle, dust accumulated in the intake port can be easily discharged to the outside of the vehicle without removing peripheral members of the intake port (such as a bezel provided in the intake port).

Further, according to this vehicle, since the ventilation duct is provided by utilizing the space inside the door trim, the number of parts for forming the ventilation duct can be reduced.

It is preferable that the intake port formed on the door trim is arranged away from the floor of the passenger compartment. As a result, it is possible to prevent dust accumulated on the floor of the vehicle interior, drinking water overflowing in the vehicle interior, and the like from flowing into the intake port.

According to the vehicle in the present disclosure, the dust accumulated in the intake port for taking in the cooling air supplied to the battery pack can be easily discharged to the outside of the vehicle.

It is a figure for demonstrating the structure of the left front door of the vehicle which follows the embodiment of this disclosure, and the periphery thereof. It is sectional drawing along the line II-II in FIG. It is sectional drawing along the line III-III in FIG. It is sectional drawing along the IV-IV line in FIG. It is sectional drawing along the VV line in FIG. FIG. 2 is a diagram showing a state in which the front door is opened.

Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings. The same or corresponding parts in the drawings are designated by the same reference numerals and the description thereof will not be repeated.

FIG. 1 is a diagram for schematically explaining a configuration of a left front door of a vehicle and its surroundings according to an embodiment of the present disclosure. Note that FIG. 1 shows the arrangement of the characteristic portions in the vehicle front-rear direction in the present embodiment in order to facilitate understanding of the present embodiment, and is a cross-sectional view of the left front door and a side surface of the vehicle. Not accurate as a figure. The detailed arrangement of the components shown in FIG. 1 is understood with FIGS. 2 to 5 shown below.

FIG. 2 is a cross-sectional view taken along line II-II in FIG. 1, and FIG. 3 is a cross-sectional view taken along line III-III in FIG. Further, FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. 1, and FIG. 5 is a cross-sectional view taken along the line V-V in FIG. In FIGS. 1 to 5, "F", "U", and "R" indicate the front, upper, and right directions of the vehicle, respectively.

Although these figures show the configuration of the left front door of the vehicle and its surroundings, the characteristic portion of the present disclosure may be provided on the right front door side or the rear door side. good. Hereinafter, the characteristic portions of the vehicle according to the embodiment of the present disclosure will be described in detail with reference to FIGS. 1 to 5.

Referring to FIGS. 1 to 5, the vehicle 1 includes a front door (left front door) 6, a B pillar trim 26, a battery pack 30, an intake duct 32, a blower device 34, an exhaust duct 36, and a front. A sheet 40 is provided. The front door 6 includes a door hinge 8, a door trim 10, and a front door glass 22.

The door trim 10 is a resin component provided on the vehicle interior side of the front door 6. The door trim 10 is formed with an intake port 12, a connecting port 14, and a ventilation duct 16. As shown in FIGS. 2 and 3, the intake port 12 is formed at a position where air in the vehicle interior can be taken in when the front door 6 is closed.

In this example, as shown in FIGS. 1 and 3, the intake port 12 is formed below the door trim 10, but the arrangement of the intake port 12 is not limited to this. For example, in order to prevent dust accumulated on the floor of the vehicle interior, drinking water overflowing in the vehicle interior, and the like from flowing into the intake port 12, it is preferable to arrange the intake port 12 away from the floor of the vehicle interior.

The connecting port 14 communicates with the intake port 12 through the ventilation duct 16. The ventilation duct 16 is provided on the door trim 10, and is, for example, resin-molded inside the door trim 10. The space between the door trim 10 and the inner plate of the door may be simply used as the ventilation duct 16. Then, as shown in FIGS. 2 and 4, the connecting port 14 is formed at a position connected to the intake duct 32 connected to the battery pack 30 when the front door 6 is closed.

In this example, as shown in FIGS. 1 and 4, the connecting port 14 is formed below the door trim 10 according to the arrangement of the intake duct 32, but is connected when the front door 6 is closed. The arrangement of the connecting port 14 is not limited to this as long as the port 14 is connected to the intake duct 32.

The battery pack 30 accommodates a secondary battery, for example, an assembled battery composed of a lithium ion secondary battery, a nickel hydrogen secondary battery, or the like that stores electric power for traveling. The battery pack 30 may further accommodate electrical components such as system main relays and fuses. The battery pack 30 may accommodate a large-capacity capacitor composed of an electric double layer capacitor in place of the secondary battery or together with the secondary battery.

In this example, the battery pack 30 is arranged under the front seat 40, as shown in FIG. The arrangement of the battery pack 30 is not limited to this, and may be arranged, for example, under the rear seat (not shown). Then, the battery pack 30 is connected to an intake duct 32 and an exhaust duct 36 through which cooling air for cooling the battery pack 30 passes.

As shown in FIG. 4, the intake duct 32 is provided under the front seat 40 together with the battery pack 30, and is connected to the battery pack 30. The intake duct 32 is arranged so as to extend from the battery pack 30 toward the front door 6, and when the front door 6 is closed, the end opposite to the connection end with the battery pack 30 connects the door trim 10. It is arranged so as to be connected to the mouth 14 (FIGS. 2 and 4).

The blower device 34 is provided in the intake duct 32, and supplies cooling air to the battery pack 30 through the intake duct 32. The blower 34 is composed of, for example, a fan, a blower, or the like. The blower device 34 can be operated when the front door 6 is closed, and operates when the battery pack 30 becomes hot to supply cooling air to the battery pack 30.

When the battery pack 30 has a low temperature, the blower device 34 may be operated together with an air conditioner (not shown) that air-conditions the vehicle interior. In the present embodiment, the blower device 34 is provided in the intake duct 32, but the blower device 34 may be provided in the exhaust duct 36 to draw the cooling air from the battery pack 30.

The exhaust duct 36 is provided, for example, under the carpet 42 and is connected to the battery pack 30, as shown in FIG. The exhaust duct 36 is arranged so as to extend from the battery pack 30 toward the B pillar trim 26, and the end opposite to the connection end with the battery pack 30 is connected to the B pillar trim 26 (FIGS. 2 and 5). ).

As shown in FIGS. 1 and 5, the inside of the B pillar provided with the B pillar trim 26 allows the cooling air (exhaust air) discharged from the battery pack 30 through the exhaust duct 36 to flow upward to the vehicle body. It is configured.

The front door 6 and the roof panel 24 are configured so that the exhaust air in the B pillar can be discharged toward the front door glass 22 when the front door 6 is closed. As shown in FIGS. 3 and 4, when the front door 6 is closed, the exhaust air is returned to the vehicle interior through the gap 44 around the front door glass 22.

With the above configuration, when the front door 6 is closed, the air in the vehicle interior can be supplied to the battery pack 30 to cool the battery pack 30. Specifically, when the front door 6 is closed, the connecting port 14 formed in the door trim 10 is connected to the end of the intake duct 32, and the ventilation duct 16 provided in the door trim 10 is connected to the intake duct 32 (. 2 and 4).

When the blower device 34 operates in this state, air in the vehicle interior is taken in from the intake port 12 formed in the door trim 10, and cooling air is supplied to the battery pack 30 through the ventilation duct 16 and the intake duct 32. The cooling air that has passed through the battery pack 30 is discharged to the exhaust duct 36 as exhaust air. Exhaust air is supplied to the vicinity of the front door glass 22 through the exhaust duct 36 and the B pillar, and is returned to the vehicle interior through the gap 44 around the front door glass 22. As a result, the battery pack 30 is cooled by using the air in the vehicle interior.

As described above, in the vehicle 1 according to the present embodiment, the intake port 12 for taking in the cooling air supplied to the battery pack 30 is formed in the door trim 10. When such an intake port is formed on a vehicle body fixing member such as a seat side garnish, in order to discharge dust accumulated on the intake port to the outside of the vehicle, a peripheral member of the intake port (for example, a bezel provided on the intake port) is provided. It is necessary to remove the seat side garnish itself, etc.), and it takes time and effort to clean the intake port.

Therefore, in the vehicle 1 according to the present embodiment, the intake port 12 is formed in the door trim 10 as described above. The door trim 10 is a movable member that moves with respect to the vehicle body in response to the opening and closing of the front door 6. By providing the intake port 12 in the door trim 10 of such a movable member, dust accumulated in the intake port 12 can be easily removed to the outside of the vehicle. Can be discharged to.

FIG. 6 is a diagram showing a state in which the front door 6 is opened in FIG. 2. With reference to FIG. 6, when the front door 6 is opened, the intake port 12 is opened to the outside of the vehicle together with the door trim 10. Therefore, the dust accumulated in the intake port 12 can be easily discharged to the outside of the vehicle without removing the peripheral members of the intake port 12 (the bezel provided in the intake port 12, the door trim 10 itself, etc.).

As described above, in this embodiment, the door trim 10 is provided with an intake port 12 for taking in the cooling air supplied to the battery pack 30. When the front door 6 is closed, the ventilation duct 16 is connected to the intake duct 32 through the connecting port 14 provided in the door trim 10, and the cooling air taken in from the intake port 12 passes through the ventilation duct 16 and the intake duct 32. It is supplied to the battery pack 30. When the front door 6 is opened, the intake port 12 is opened to the outside of the vehicle together with the door trim 10. Therefore, according to this embodiment, the dust accumulated in the intake port 12 can be easily discharged to the outside of the vehicle without removing the peripheral member of the intake port 12.

Further, according to the present embodiment, since the ventilation duct 16 is provided by utilizing the space inside the door trim 10, the number of parts for forming the ventilation duct 16 can be reduced.

Further, if the intake port 12 formed in the door trim 10 is arranged away from the floor of the vehicle interior, dust accumulated on the floor of the vehicle interior, drinking water overflowing in the vehicle interior, and the like are suppressed from flowing into the intake port 12. can do.

Further, in this embodiment, the exhaust air exhausted from the battery pack 30 is supplied to the vicinity of the front door glass 22 through the exhaust duct 36 and the B pillar (when the front door 6 is closed), and the front door is closed. It is returned to the vehicle interior through the gap 44 around the glass 22. As a result, the exhaust air is less likely to come into contact with the passengers as compared with the case where the exhaust air is returned to the vehicle interior through the gap of the door trim 10 closer to the passengers, and the discomfort of the passengers can be suppressed.

Further, since the exhaust air is discharged in the vicinity of the front door glass 22, the temperature difference between the front door glass 22 and the vehicle interior can be alleviated in winter, and fogging of the front door glass 22 can be suppressed.

The embodiments disclosed this time should be considered to be exemplary and not restrictive in all respects. The scope of the present invention is shown by the scope of claims rather than the description of the embodiments described above, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

1 vehicle, 6 front doors, 8 door hinges, 10 door trims, 12 intake ducts, 14 connection ports, 16 ventilation ducts, 22 front door glasses, 24 roof panels, 26 B pillar trims, 30 battery packs, 32 intake ducts, 34 blowers, 36 exhaust ducts, 40 front seats, 42 carpets, 44 gaps.

Claims (1)

Battery pack and
The intake duct connected to the battery pack and
Equipped with a door trim installed on the passenger interior side of the door
The door trim
Ventilation duct and
An intake port for taking in the air inside the vehicle into the ventilation duct,
A connecting port communicating with the intake port is formed through the ventilation duct.
The connecting port is provided at a position where the ventilation duct is connected to the intake duct when the door is closed , and further.
The exhaust duct connected to the battery pack and
The B pillar trim connected to the exhaust duct and
With a roof panel
The inside of the B-pillar trim is configured so that the exhaust air discharged from the battery pack through the exhaust duct can flow toward the upper part of the vehicle body.
The door and the roof panel are configured to exhaust the exhaust air in the B pillar trim towards the glass of the door when the door is closed .

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