JPS6338016A - Air conditioner for vehicle - Google Patents

Abstract

PURPOSE:To dispense with a separate casing as well as to aim at the rationalization of an air conditioner in structure and the promotion of its lightweightiness, by attaching an air conditioner constituent element to an air conditioner unit support member, while attaching this support member to a body panel, and forming a ventilating duct. CONSTITUTION:An air conditioner constituent element consisting of each of oblong heat exchangers 5 and 6 to be formed in a body cross direction ranging from the driver's seat side to the assistant driver's seat side, a crossflow fan 4 having a turning shaft 4a in the body cross direction and being capable of sending air to the overall width of each of these heat exchangers 5 and 6, etc., is attached to an air conditioner unit support member 17. In addition, this support member 17 is locked each to each proper spot of a dashboard panel 2c and an instrument panel 3 via each of seal members 21 and 22. And, a ventilating duct is formed by the support member 7 and these panels 2c and 3. With this constitution, a part of these panels 2c and 3 is used as one wall surface of the ventilating duct, whereby a separate air conditioner unit casing is made unnecessary.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a vehicle air conditioner, and more particularly to an improvement in the casing structure of the device.

(Prior Art) Fig. 4 shows a conventional vehicle air conditioner, in which (a) is an overall perspective view showing the state mounted on a vehicle, and (b) is a sectional view taken along the line A-A in (a). , conventional vehicle air conditioners are blower units) (104), cooler units) (1
00), heater unit (105) '4 are disposed via a heat insulating member (114) in an area defined by a dash board panel (102) and an instrument panel (103). (1
04), (100), and (105) are housed in separate unit cases (104A), (100A), and (105A), respectively.

Such air conditioners are configured with ventilation ducts for passing cooled or heated air, but in conventional equipment, such ventilation ducts are provided inside each of the unit cases, and each of these It is constructed by connecting cases.

(Problems to be Solved by the Invention) However, in such conventional devices, when each unit as described above is housed in an area defined by a dashboard panel, an instrument panel, etc., each unit is Since the units are formed into shapes that suit their respective functions, it is difficult to match the overall shape of the air conditioner unit formed by combining these units into one to the shape of the partitioned area. However, an unused and wasted space is inevitably left between the air conditioner unit and the instrument panel or dash board panel, and the space is not utilized effectively.

Furthermore, considering that the dash board panel or instrument panel itself can form part of a single case,
It is not necessary to provide each unit in an air conditioner with its own unit case. Therefore, from this point of view, the conventional device has a so-called double wall structure, and there is room for improvement from the viewpoint of excessive weight.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an air conditioner for a vehicle that can effectively utilize space and is lightweight.

(Means and effects for solving the problem) To achieve this object, according to the present invention, heat exchangers (5), (8)
, the air conditioner components such as the blower (4) are attached to the air conditioner unit support member (7), and the air conditioner unit support member (7) is attached to the vehicle body panel (2C) and the instrument via the seal members (21) and (22). By fixing it to the instrument panel (3), the vehicle body panel (2C), the instrument panel (3) and the air conditioner unit support member (
7) to form a ventilation duct.

In addition, in order to achieve this object, the present invention includes an oblong heat exchanger (5), (Ei) formed in the vehicle body radial direction from the driver's seat side to the passenger seat side, and a rotating shaft (5) in the vehicle body radial direction. 4
a) and is capable of blowing air over the entire width of the heat exchangers (5) and (8), etc., is attached to the air conditioner unit support member (7), and the air conditioner By fixing the unit support member (7) to the proper positions of the dash board panel (2C) and the instrument panel (3) of the vehicle body, the dash board panel (2), the instrument panel (3) and the air conditioner unit can be supported. A ventilation duct is formed from the member (7).

According to this configuration, a part of the dash board panel and instrument panel is used as one wall of the ventilation duct, so a separate air conditioner unit case (which is a closed space structure that itself forms a ventilation duct) as in the past is no longer needed. No longer needed.

Also, dash board panels, instrument panels,
By making the horizontal space defined by the cooperation of the three parties in the air conditioner unit case into a ventilation duct, it is possible to open an air outlet at any location on the air conditioner unit case or instrument panel. , the degree of freedom in design is increased, and the need to spread the duct to the air outlet can be minimized (it is only necessary to spread the duct for the air outlet dedicated to the driver's seat side), so the ventilation resistance of the duct as a whole is reduced. It will be reduced.

Furthermore, by using an oblong cross flow fan,
Since it is possible to blow air across the width of the oblong heat exchanger, and the full scroll casing can be formed from a dash board panel, there is no need for a dedicated separate scroll casing like in the conventional sirocco fan.

(Example) The present invention will be described in detail below with reference to the accompanying drawings.
In each figure, the same reference numerals indicate similar objects.

FIG. 1 is a partial cross-sectional perspective view showing a vehicle air conditioner according to an embodiment of the present invention mounted on a vehicle, and FIG. 2 shows a state in which each air conditioner component is attached to an air conditioner unit support member. In Figure 0, (1) is the vehicle bonnet, (2) is the dash board panel consisting of the darts lower front (2a), dash upper (2b), and darts lower (2c), and (3) is the instrument panel. be.

The air conditioner unit uses air blower a (4
), a first heat exchanger (5) for forming low-temperature air, such as an evaporator, which is present upstream of this blower (4) and extends in the vehicle direction, a blower 4I! A second heat exchanger (6) for forming high-temperature air, such as a heater core, is provided downstream of (4) and also extends in the vehicle direction. These air conditioner components such as the heat exchanger (5), blower (4), and heat exchanger (6) are integrated into one air conditioner unit support member (7).
attached to.

The air conditioner unit support member (7) is made of Datsushroa (2c
), is fixed to a vehicle body panel such as an instrument panel (3) via a sealing member as described later.

The entire vehicle air conditioner according to this embodiment extends in the direction of the vehicle, and more specifically, from the end of the vehicle side to the vicinity of the center of the driver's seat side within or behind the dash board panel in front of the passenger seat. , blower (4) and heat exchanger (5), (
8) are arranged respectively. In particular, the blower (4) has a rotating shaft (4a) in the direction of the vehicle, and also has a heat exchanger (5).
), the length of the fan (4b) is approximately equal to the extended length of (6).
) around the rotating shaft (4a), and is known as, for example, a cross flow fan. Therefore,
This blower (4) efficiently sucks up low-temperature air from the heat exchanger (5) and passes this low-temperature air through the ventilation surface of the heat exchanger (6). The heat exchanger (6) includes dampers (for example, every other heater core row (6a) stacked vertically in multiple layers)
6b). This damper (6b) is, for example, a shielding plate with an area approximately equal to the area of the ventilation surface of the heater core row (31), and by adjusting its opening degree, the mixing ratio of high temperature air to low temperature air can be controlled. . The opening degree of the damper (8b) is automatically controlled based on various parameters such as the temperature inside the vehicle and the temperature outside the vehicle.

The air conditioner unit support member (7) has a base (8
) and both side parts (9) supporting both sides of the base part (8), the base part (8) has a first flat part (10a) extending in the direction of the vehicle floor and substantially parallel to the floor. An extending portion (10) and a base end portion (10c) of this extending portion (1o)
The second extending portion (II) extends further in the direction of air blowing a(4).
, the base end (10c) extends toward the rear of the vehicle, and the leading edge (12b) is attached to the lower end (3d) of the instrument panel (3) via a sealing member (22). 3 extension parts (12), and said both side parts (9) have a first extension part (12). Both ends of the second heat exchangers (5) and (8) are supported via seal members (not shown), and both ends of the blower are rotatably supported by a fan motor (13). and the peripheral edge portions (9a) of both side portions (9).
Vehicle body panels such as the dash upper (2b) and the instrument panel (3) are attached along the shape of the dash upper (2b) and the first and third extensions (10) and (12).
Both side edges are attached via seal members, and furthermore, a damper (21) for opening and closing between the first protrusion part (10) and the darts lower (2c) is provided between the first escape part (10) and the darts lower (2c). ) side so that it can swing. Here, when installing the blower (4),
) is near the tip of the second extension (11) and is formed in a step shape above and near the front of the blower (4), and faces the back side of the dash upper (2b) and dash lower (2c). It is set up like this. This dash upper (2
b) and a sheet-like heat insulating member (14) is attached to the back surface of the needle lower (2c). Further, the first heat exchanger (5) is located below the air blower a' (4), and the opening ( 20) Provided over the upper edge,
Further, the second heat exchanger (8) is located behind the blower (4), and is located from the base (10c) to the dash upper (2b).
erected to be perpendicular to the third extension part (12),
each heat exchanger (5), (6) and the base (8), and each heat exchanger (5).

(6) and dash upper (2b) and dash lower (
2c) are provided with seal members (15) and (1B), respectively.
is intervened. Note that a seal member (17) is interposed between the upper end of the instrument panel (3) and the dash upper (2b).

In the above configuration, the blower (4) causes the vehicle to blow up.
(1) The air taken in through the opening (1a) is from the dash floor front) (2a) and the dash upper (2b).
It flows through a passage formed from the surface of the darts lower (2c), and from the outside air inlet (20) provided at the bottom of the darts lower, the first heat exchanger (5) → blower (0 → second heat exchanger (
6), flows into the passenger compartment from the outlet (18) provided on the front of the instrument panel (3), and flows into the vehicle interior through the outlet (18) provided on the front of the instrument panel (3), the lower front of the dash (2a), the upper dash (2b), the air conditioner unit support member (7), and the instrument panel. The panel (3) etc. will constitute the ventilation duct of the air conditioner. And especially the stepped dash upper (2b
) and the back side of the darts lower (2a) also acts as a scroll for the blower (4), and also serves as a scroll for the instrument panel (
3) and the third extension (12) acts as an air mix chamber for forming conditioned air. Openings (25), (28) and dampers (27), (
28), it is also possible to blow air to the windshield (29) and the feet as needed.

FIG. 3 is a partially detailed view of an air mix chamber constructed according to the present invention. As mentioned above, the instrument panel (3) and the air conditioner unit support member (7)
) (see Figures 1 and 2) has air outlets (18) that send out conditioned air to the driver's seat side and the passenger's seat side, and air to each outlet (18). It is provided with a partition plate (18) that divides the flows into each other. That is,
According to this embodiment, the partition plate (19) has a driver seat side center outlet (18a) and a passenger seat side center outlet.
(18b), and this outlay/
) (18a) and (18b) are extended so as to separate the space in the air miss chamber and the heat exchanger (6) on the driver's seat side and the passenger seat side.

With such a configuration, in this embodiment, the temperature of the conditioned air can be adjusted independently on the driver's seat side and the passenger seat side, for example, by separately controlling the damper (6b) of the heat exchanger (6). I have to.

(Effects of the Invention) According to the present invention, since a part of the dash board panel and the instrument panel are used as one wall surface of the ventilation duct as described above, the air conditioner unit casing (which is itself a ventilation duct) This eliminates the need for a closed space structure (forming a closed space structure), making it possible to achieve rationalization and weight reduction.

Also, dash board panels, instrument panels,
By making the horizontally long space defined by the collaboration of the air conditioner unit support members into a ventilation duct, the air outlet can be opened anywhere on the air conditioner unit case or instrument panel. The degree of freedom is increased, and the amount of duct installation required to reach the air outlet is minimized (only the duct installation for the air outlet dedicated to the driver's seat side is required), reducing the ventilation resistance of the duct as a whole. Therefore, it is possible to make the fan motor for blowing air smaller and quieter by lowering the rotation speed, and the air mix chamber consisting of the instrument panel and air conditioner unit support member can be made larger, and a uniform temperature can be achieved. , a stable wind speed can be obtained arbitrarily. Furthermore, by using a horizontally elongated cross-flow fan, it is possible to blow air to the width of the I-hair type M exchanger, and the scroll casing can be formed from a dash board panel, so unlike the conventional sirocco fan, a dedicated A separate scroll casing is not required, and the degree of freedom in design can be improved.

[Brief explanation of drawings]

FIG. 1 is a partial cross-sectional perspective view showing a vehicle air conditioner according to an embodiment of the present invention mounted on a vehicle, and FIG. 2 shows a state in which each air conditioner component is attached to an air conditioner unit support member. 3 are partially detailed views showing an air mix chamber constructed according to the present invention, and FIG. 4 is a view showing a conventional example. In the drawings, (1), (2), and (3) are the vehicle body panels, (1) is the vehicle bonnet, (2) is the dash board panel, (3) is the instrument panel, and (4) is the blower (cross roll). (21), (22) are sealing members, and (18) is an outlet. Patent applicant Patent attorney representing Honda Motor Co., Ltd. 1) Part 1
Patent attorney Kuni Otachibana Production volume
Patent Attorney Udo Koyama Patent Attorney
Field 1) Shigeru Figure 1

Claims (4)

[Claims] (1) By attaching air conditioner components such as a heat exchanger and a blower to an air conditioner unit support member and fixing the air conditioner unit support member to a vehicle body panel, a ventilation duct can be connected from the vehicle body panel and the air conditioner unit support member. An air conditioner for a vehicle, characterized in that the air conditioner is configured to have a shape. (2) A horizontally elongated heat exchanger formed in the width direction of the vehicle body extending from the driver's seat side to the passenger seat side, and a reloss flow that has a rotation axis in the vehicle body direction and can blow air across the entire width of the heat exchanger. By attaching air conditioner components such as fans to the air conditioner unit support member and fixing the air conditioner unit support member to appropriate positions on the dashboard panel and instrument panel of the vehicle body, the dashboard panel, the instrument panel, and the air conditioner can be connected to each other. An air conditioner for a vehicle, characterized in that a ventilation duct is formed from a unit support member. (3) The air conditioner for a vehicle according to claim 2, wherein at least a portion of the dashboard panel is a scroll of the cross flow fan. (4) An air conditioner for a vehicle according to claim 2 or 3, characterized in that an air outlet is provided at a predetermined location of the instrument panel forming the ventilation duct.