JP2003276474A - Cockpit structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To mount a large-sized headup display device without lowering a defogging capability. <P>SOLUTION: The dimension of an opening in a center differential diffuser 5 is set to 200 mm or shorter, and the headup display device 7 is mounted in an instrument panel 1 within a range of generally 250 mm from a general central part in longitudinal direction. Also side differential diffusers 6 having first side differential diffusers 6a for blowing air toward a front shield glass side and second side differential diffusers 6b for blowing air toward side window glasses are installed in the instrument panel 1. Thus, the large-sized headup display device can be mounted without lowering the defogging capability. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle cockpit structure provided with an instrument panel, which extends in the vehicle width direction and is arranged on the front side of the passenger compartment near the windshield.

[0002]

2. Description of the Related Art Generally,
In the vicinity of the windshield of the instrument panel, there is provided a defroster outlet for blowing air toward the windshield to remove fog on the windshield.

The defroster outlet is usually opened along the lower end portion of the windshield so as to blow air over the whole area of the windshield and extends over substantially the entire width of the vehicle.

By the way, in recent years, a vehicle equipped with a head-up display device for displaying information such as vehicle speed to the driver by projecting information such as vehicle speed onto the windshield so that the driver does not significantly change his line of sight. It is increasing.

With the increase in the number of vehicles equipped with a head-up display device, it is desired to increase the amount of information projected by the head-up display device and to project the information substantially in the center of the windshield from the viewpoint of improving visibility. Demand is growing.

However, as described above, since the defroster air outlet extends along the lower end of the windshield in the vehicle width direction and opens, at present, projection light emitted from the head-up display device is emitted. Since the opening for the passage and the defroster outlet interfere with each other, it is difficult to mount a large-sized head-up display device satisfying the above demand.

In view of the above points, it is an object of the present invention to satisfy the above demand while providing a novel cockpit structure different from the conventional one.

[0008]

In order to achieve the above object, the present invention is, in the invention as set forth in claim 1, arranged in the vehicle width direction to extend in the front of the vehicle compartment near the windshield (2). A cockpit structure of a vehicle having an instrument panel (1) installed, wherein side differential outlets (6) for ejecting air toward a windshield (2) are provided at both longitudinal ends of the instrument panel (1). It is characterized by that.

With this, it is possible to remove the fog on the windshield (2) without extending the defroster outlet along the lower end of the windshield in the vehicle width direction and opening it.

Therefore, it is possible to secure a large opening for the head-up display device (7) without deteriorating the anti-fogging property of the windshield (2). A large head-up display device (7) capable of displaying a large amount of information can be mounted.

According to a second aspect of the present invention, there is provided a cockpit structure for a vehicle, comprising a dashboard (1) extending in the vehicle width direction and disposed on the front side of the passenger compartment near the windshield (2), The front window glass (2) is characterized in that side differential outlets (6) for blowing air toward at least the lower left and right ends are provided at both ends in the longitudinal direction of the instrument panel (1).

With this, it is possible to remove the fog on the windshield (2) without extending the defroster outlet along the lower end of the windshield in the vehicle width direction and opening it.

Therefore, it is possible to secure a large opening for the head-up display device (7) without deteriorating the anti-fogging property of the windshield (2). A large head-up display device (7) capable of displaying a large amount of information can be mounted.

According to the third aspect of the invention, the side differential outlet (6) is directed toward the side window glass side and the first side differential outlet (6a) for blowing air toward the windshield (2) side. It is characterized by having a second side differential outlet (6b) for blowing out air.

This makes it possible to remove not only the windshield (2) but also the side window glass.

In the invention according to claim 4, the side differential outlet (6) has a louver (6c) for guiding the air blown out from the side differential outlet (6) to the windshield (2) side. It is characterized by being configured.

In the invention described in claim 5, the louver (6
c) is characterized in that it can be switched between a case where the air blown out from the side differential outlet (6) is guided to the windshield (2) side and a case where it is guided to the side window glass side. And

This makes it possible to remove not only the windshield (2) but also the side window glass.

According to the sixth aspect of the present invention, the instrument panel (1) is provided with a center differential outlet (5) for blowing air toward the windshield (2) substantially at the center in the longitudinal direction. Further, among the opening dimensions of the center differential outlet (5), the dimension (A) substantially parallel to the vehicle width direction is 200 mm or less.

Further, in the invention according to claim 7, in the instrument panel (1), approximately 250 m from the approximately central portion in the longitudinal direction thereof.
The head-up display device (7) is housed in a range within m.

Here, "in the instrument panel (1), the head-up display device (7) is housed within a range of approximately 250 mm from a substantially central portion in the longitudinal direction thereof" means substantially in the longitudinal direction. Not only when the entire head-up display device (7) is housed within a range of approximately 250 mm from the center, but also when a part of the head-up display device (7) is housed, as will be described later. Is the meaning.

Incidentally, the reference numerals in parentheses of the above-mentioned means are examples showing the correspondence with the concrete means described in the embodiments described later.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) FIG. 1 is a schematic view showing a cockpit structure of a vehicle according to the present embodiment as viewed from above, and FIG. 2 (a) is a sectional view taken along line AA of FIG. It is a figure and FIG.2 (b) is BB sectional drawing of FIG.

In FIG. 1, an instrument panel 1 is a design panel that extends in the vehicle width direction and is arranged near the front window glass 2 (see FIG. 2) on the front side of the vehicle compartment. An air conditioning casing 3 of an air conditioning system for a vehicle is mounted at a substantially central portion in the vehicle width direction.

As is well known, the air-conditioning casing 3 contains an air-conditioning means such as an evaporator, a heater and an air mix door, and a mode switching device for switching the blowing mode of the conditioned air blown from the air-conditioning casing 3. Blower 4 that blows air to the air conditioning casing 3 on the passenger side of the air conditioning casing 3.
Is installed.

A center differential outlet 5 for blowing air toward the windshield 2 is provided in the central portion of the instrument panel 1 in the longitudinal direction, and the windshield 2 is provided at both longitudinal ends of the instrument panel 1. There is provided a side differential outlet 6 including a first side differential outlet 6a that blows air toward the side and a second side differential outlet 6b that blows air toward the side window glass side.

Here, the first side differential outlet 6a is for removing the fog on both side surfaces of the windshield 2 by blowing air to the lower left and right ends of the windshield 2. The center differential outlet 5 blows air to the lower central portion of the windshield 2 to remove fogging in the central portion of the windshield 2.

The first side differential outlet 6a and the second side differential outlet 6a
Air-conditioning air that has been dehumidified by the air conditioning casing 3 is guided to the side differential outlet 6b through the duct 3a, and the center differential outlet 5 is also similarly provided through the duct 3b (see FIG. 2B). The dehumidified air-conditioning air is introduced at. Incidentally, both ducts 3a and 3b are made of resin such as polyethylene or polypropylene.

The dimension A of the opening of the center differential outlet 5 which is substantially parallel to the vehicle width direction is 200 mm or less, which is the driver seat side of the instrument panel 1 and the substantially central portion in the longitudinal direction thereof. The head-up display device 7 is housed within a range of approximately 250 mm defined by the B dimension.

Incidentally, in addition to the vehicle speed, the head-up display device 7 according to this embodiment also displays information such as engine speed and water temperature.

Next, the function and effect of this embodiment will be described.

In this embodiment, since the first side differential outlet 6a for blowing air to the windshield 2 is provided, the defroster outlet is extended along the lower end portion of the windshield in the vehicle width direction and is not opened. However, it is possible to remove the fog on both side surfaces of the windshield glass 2.

Therefore, even if the center differential outlet 5 is made relatively small, it is possible to remove the fogging of the entire windshield 2, and thus a large opening can be secured for the head-up display device 7. In addition, a large head-up display device 7 capable of displaying a large amount of information without deteriorating the antifogging performance can be mounted.

Incidentally, FIG. 3 shows the windshield glass 2
The experimental results showing the time required to remove the cloudiness of
As is clear from FIG. 3, according to the present embodiment, it is possible to remove the fog in the area surrounded by □ earlier than in the conventional case.

Incidentally, the numbers in FIG. 3 indicate the time (seconds) required for removing the fog, and it means that the region below the curve removes the fog within the indicated time.

The first side differential outlet 6a and the second side differential outlet 6a
Since the side differential outlet 6b is formed by the side differential outlet 6b, not only the windshield 2 but also the side window glass can be reliably removed.

(Second Embodiment) This embodiment is a modification of the first embodiment. Specifically, as shown in FIG. 4, the position of the first side differential air outlet 6a is set to be more front than that of the first embodiment. The opening shape of the first side differential outlet 6a is made substantially rectangular while extending close to the window glass 2 side and extending in the vehicle width direction.

(Third Embodiment) In the above embodiment, the first side differential outlet 6a and the second side differential outlet 6b.
Although the side differential outlet 6 is configured by
As shown in FIG. 5, the side differential outlet 6 is formed by one opening, and the side differential outlet 6 is provided with a louver 6c for guiding the air blown out from the side differential outlet 6 to the windshield 2 side. It is possible to automatically switch between the case where the air blown out from the side differential outlet 6 is guided to the front window glass 2 side and the case where it is guided to the side window glass side by swinging 6c by a driving means such as a servo motor. It was done like this.

The louver 6c automatically swings in the foot mode, the foot differential mode and the differential mode.

(Other Embodiments) In the above-described embodiment, the dimension A of the opening of the center differential outlet 5 that is substantially parallel to the vehicle width direction is 200 mm or less, and the longitudinal direction of the instrument panel 1 is approximately the same. Although the head-up display device 7 is mounted within a range of approximately 250 mm from the central portion, the present invention is not limited to this.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a cockpit structure of a vehicle according to a first embodiment of the present invention as viewed from above.

2A is a sectional view taken along the line AA of FIG. 1, and FIG. 2B is a sectional view taken along the line BB of FIG.

FIG. 3 is a graph showing the time required to remove the fog on the windshield glass 2.

FIG. 4A is a schematic view showing a cockpit structure of a vehicle according to a second embodiment of the present invention as viewed from above,
(B) is an AA sectional view of (a).

FIG. 5A is a schematic view showing a cockpit structure of a vehicle according to a third embodiment of the present invention as viewed from above,
(B) is an AA sectional view of (a).

[Explanation of symbols]

1 ... Instrument panel, 2 ... Windshield glass, 3 ... Air conditioning casing, 4 ... Blower, 5 ... Center differential outlet, 6 ...
Side differential outlet 6a ... 1st side differential outlet 6a,
6b ... Second side differential outlets 6b, 7 ... Head-up display device.

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 3D044 BA05 BA14 BA19 BA21 BB01                       BC13 BC25 BD11                 3L011 BR02

Claims (7)

[Claims] 1. A cockpit structure for a vehicle, comprising: an instrument panel (1) extending in the vehicle width direction and disposed on the front side of a vehicle compartment near a windshield (2), the instrument panel (1) comprising: A vehicle cockpit structure characterized in that side differential outlets (6) for blowing air toward the windshield (2) are provided at both ends in the longitudinal direction. 2. A cockpit structure for a vehicle, comprising a dashboard (1) which extends in the vehicle width direction and is arranged on a front side of a vehicle compartment near a windshield (2), said windshield (2). A cockpit structure for a vehicle, characterized in that side differential outlets (6) for blowing air toward at least the lower left and right ends are provided at both longitudinal ends of the instrument panel (1). 3. The side differential outlet (6) blows air toward the front window glass (2) side, and a first side differential outlet (6a) blows air toward the side window glass side. The cockpit structure for a vehicle according to claim 1 or 2, wherein the cockpit structure has a side differential outlet (6b). 4. The side differential outlet (6) is configured to have a louver (6c) for guiding the air blown out from the side differential outlet (6) to the windshield (2) side. Claim 1 or 2 characterized
The vehicle cockpit structure described in. 5. The louver (6c) can switch between a case where the air blown out from the side differential outlet (6) is guided to the front window glass (2) side and a case where it is guided to the side window glass side. The cockpit structure for a vehicle according to claim 4, wherein the cockpit structure is configured so as to be capable. 6. A center-diff outlet (5) for blowing air toward the windshield (2) is provided at a substantially central portion in the longitudinal direction of the instrument panel (1), and the center-diff outlet is further provided. The vehicle cockpit structure according to claim 1, wherein a dimension (A) of the opening dimension of the outlet (5) substantially parallel to the vehicle width direction is 200 mm or less. 7. The head-up display device (7) is housed in the instrument panel (1) within a range of approximately 250 mm from a substantially central portion in the longitudinal direction thereof. 7. The vehicle cockpit structure according to any one of items 1 to 6.