JP2007302026A - Air conditioner for vehicle and air conditioning module for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To arrange an air conditioner without obstructing capacity increase of a cargo compartment. <P>SOLUTION: This air conditioner for the vehicle constituted of a plurality of functional parts for air conditioning having an air conditioning function is furnished with the first functional parts for air conditioning 31, 32 arranged in a first space SP11 below a floor panel 1, the second functional part for air conditioning 34 having functions except for the air conditioning functions and arranged by holding the other functional parts 15, 16 and a duct 33 for air conditioning arranged in a third space SP13 below the floor panel 1 and above the other functional parts 15, 16 and forming an air passage to guide air from the first functional parts for air conditioning 32 to the second functional part for air conditioning 34. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a vehicle air conditioner and a vehicle air conditioning module provided in a one-box car or the like.

  An air conditioner provided in a vehicle having a relatively large vehicle interior space such as a one-box car is known (see, for example, Patent Document 1). In the device described in Patent Document 1, a blower fan is arranged adjacent to the luggage compartment behind the rear seat, and the air sucked by the blower fan is guided to the ceiling portion above the rear seat via the duct and arranged on the ceiling portion. The conditioned air is blown toward the rear seat occupant through the heat exchanger.

JP 2000-1118 A

  However, if the air conditioner is arranged adjacent to the cargo compartment, the volume of the cargo compartment is reduced by that amount, which hinders the volume expansion of the cargo compartment.

The present invention is a vehicle air conditioner configured by a plurality of air conditioning functional components having an air conditioning function, the first air conditioning functional component disposed in a first space below the floor panel, A second air-conditioning functional component disposed in a second space on the lateral side of the first air-conditioning functional component below and in the vehicle left-right direction, with another functional component having a function other than the air-conditioning function interposed therebetween, and a floor panel An air conditioning duct that is disposed in a third space below the other functional parts and that forms an air passage for guiding air from the first air conditioning functional part to the second air conditioning functional part. Prepare.
The vehicle air-conditioning module according to the present invention includes a first bulging portion and a second bulging portion that are spaced apart from each other and bulging downward, and the first bulging portion and the second bulging portion. A case having a connecting portion for connecting the upper portion, a first air conditioning functional component accommodated in the first bulging portion, and a second air conditioning functional component accommodated in the second bulging portion And an air conditioning duct that is accommodated in the connecting portion and forms an air passage for guiding the air from the first air conditioning functional component to the second air conditioning functional component.

  According to the present invention, it is not necessary to arrange functional parts for air conditioning so as to face the luggage compartment, so that the volume of the luggage compartment can be easily increased.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
FIG. 1 is a side view showing a schematic configuration of a vehicle 100 having an air conditioner according to an embodiment of the present invention. The vehicle 100 is, for example, a one-box car type vehicle having three rows of seats 101 to 103 in the front-rear direction, and a luggage compartment 104 is provided behind the third row of seats 103.

  An air conditioning unit 105 (a blower fan, a heat exchanger, etc.) of a front air conditioner that mainly blows conditioned air to the passengers in the first row seat 101 is provided at the front of the vehicle. A box 2 is attached below the floor panel 1 between the first row seat 101 and the second row seat 102. In the box 2, mainly the passengers of the second row seat 102 and the third row seat 103 are provided. On the other hand, an air conditioning unit 3 of a rear air conditioner that blows conditioned air is accommodated.

  FIG. 2 is an exploded perspective view of peripheral components of the air conditioning unit 3, and FIG. 3 is a cross-sectional view of the main part (vertical cross-sectional view in the left-right direction) of FIG. As shown in FIGS. 2 and 3, the floor panel 1 has a pair of left and right side members 12 that are strength members extending in the front-rear direction. The substantially rectangular hole 11 is opened. A box 2 having a flange portion 21 formed at the periphery of the upper end is inserted into the hole 11, the flange portion 21 abuts on the upper surface of the floor panel 1, and the box 2 is supported from the floor panel 1. In addition, before and after the opening 11 of the floor panel 1, cross members 13 (see FIG. 9) that are reinforcing members are respectively extended in the left-right direction.

  The upper surface of the box 2 is covered with a lid 4, and the air conditioning unit 3 is accommodated in the box 2. A flange portion 41 is formed on the periphery of the lid 4 corresponding to the flange portion 21 of the box 2, and bolt insertion holes are opened in the flange portions 41 and 21. The floor panel 1 is provided with a screw hole 11a, and a bolt 51 penetrating through the holes of the flange portions 41 and 21 is screwed into the screw hole 11a so that the lid 4 and the box 2 are integrally fixed to the floor panel 1.

  As shown in FIG. 2, the flange portion 21 of the box 2 is provided with screw holes 21a at several locations (four corner portions in the figure). A bolt 52 penetrating the flange portion 41 is screwed into the screw hole 21 a, and the lid 4 is fixed to the box 2. Thereby, the box 2 can be detached from the floor panel 1 without loosening the bolt 52, that is, with the lid 4 being fixed to the box 2. In addition, it is preferable to provide a loosening stop at the screwed portions of the bolts 51 and 52 so that the bolts 51 and 52 are not loosened due to vibration or the like. For example, the screw hole 21a may be formed with a U nut to prevent the bolt 52 from loosening.

  The box 2 includes a pair of bulging portions 22 and 23 that are provided apart from each other in the left-right direction and bulge downward, and a connecting portion 24 that connects the bulging portions 22 and 23 at the upper portion. The storage spaces SP11 and SP12 are formed by the portions 22 and 23, and the storage space SP13 is formed by the connecting portion 24, respectively. A tunnel-like space SP <b> 2 is formed below the connecting portion 24 so as to be sandwiched between the bulging portions 22 and 23. As shown in FIG. 3, a propeller shaft 15 and an exhaust pipe 16 extending in the front-rear direction are disposed in the space SP2. A guard bar 17 for protecting parts below the floor panel 1 is disposed on the side of the box 22. The lower end surface of the box 22 is located above the guard bar 17.

  FIG. 4 is an enlarged view of the IV part of FIG. 3 showing the support structure of the air conditioning unit 3. On the inner peripheral surface of the box 2, support portions 25 are formed at several places (for example, four places). A pin 26 protrudes upward from the support portion 25, and a clip 39 is engaged with the upper end portion of the pin 26. On the other hand, ribs 36 are formed on the outer peripheral surface of the air conditioning unit 3 so as to correspond to the pins 26. Rubbers 37 and 38, which are elastic members, are interposed between the rib 36 and the support portion 25 below the rib 36 and between the rib 36 and the clip 39 above the rib 36, respectively. 3 is soft-mounted and supported by the support portion 25 via rubbers 37 and 38.

  FIG. 5 is an exploded perspective view of the air conditioning unit 3, and FIG. 6 is a perspective view showing an accommodation state of the air conditioning unit 3. As shown in FIG. 5, the air conditioning unit 3 includes an evaporator 31, a blower fan 32, an intermediate duct 33, and a heater core 34.

  The blower fan 32 is rotated by driving the motor 32a, and air is sucked from the air inlet 31a of the evaporator 31 as indicated by the arrow in FIG. The sucked air passes through the evaporator 31, is dehumidified and cooled, and is guided to the heater core 34 through the intermediate duct 33. The air guided to the heater core 34 is heated by passing through the heater at a rate corresponding to the opening degree of the air mix door inside, and the air temperature is adjusted. The heater core 34 is provided with a plurality of outlets 34a and 34b, which are opened and closed according to the outlet mode.

  As shown in FIG. 6, the evaporator 31 and the heater core 34 are accommodated separately in the box 2. That is, the evaporator 31 and the blower fan 32 are accommodated side by side in the left bulging portion 22 (accommodating space SP11), and the heater core 34 is accommodated in the right bulging portion 23 (accommodating space SP12). In the connecting portion 24 (accommodating space SP13), an intermediate duct 33 is arranged close to the front side, and an air passage is formed in the left-right direction from the blower fan 32 to the heater core 34 by the intermediate duct 33.

  A duct 35 extends in the left-right direction above the evaporator 31 and the heater core 34 and behind the intermediate duct 33, and air from the outlets 34 a and 34 b of the heater core 34 flows into the duct 35. At the left and right ends of the duct 35, a vent outlet 35a protruding upward is provided, and at the center of the duct 35, a foot outlet 35b protruding upward is provided. The air that has flowed into the duct 35 flows out of the blowout portions 35a and 35b in accordance with the blowout port mode. That is, in the vent mode, the air whose temperature has been adjusted by the air conditioning unit 3 flows out from the vent blowing part 35a, and in the foot mode, it flows out from the foot blowing part 35b.

  As shown in FIG. 2, the lid 4 is provided with a pair of left and right vent fitting portions 42 to which the vent blowing portion 35a is fitted and a foot fitting portion 43 to which the foot blowing portion 35b is fitted. It has been. The vent fitting portion 42 has holes 42a facing the left and right outer sides, and the foot fitting portion 43 is fitted with a hole 43a facing the rear. The lid 4 is also provided with a pair of left and right fitting portions 44 that bulge upward also behind the left and right vent fitting portions 42, respectively. Yes.

  FIG. 7 is a perspective view showing a configuration of an air conditioning duct attached to the lid 4. As shown in FIG. 7, one end portion of the vent duct 61 is inserted into each of the holes 42 a of the left and right vent fitting portions 42, and one end portion of the foot duct 62 is inserted into the hole 43 a of the foot fitting portion 43. Yes. The vent duct 61 is bent substantially at a right angle toward the rear, extends rearward along the upper surface of the floor panel 1, and then stands along the left and right side walls of the vehicle body ahead of the cargo compartment 104. The part is connected to the rear vent outlet facing the vehicle interior. The foot duct 62 extends rearward along the upper surface of the floor panel 1, and the other end is connected to a rear foot outlet that faces the vehicle interior.

  One end of the intake duct 63 is inserted into the hole 44 a of the fitting portion 44. The intake duct 63 is adjacent to the left and right inner sides of the vent duct 61 and extends rearward along the upper surface of the floor panel 1, and an air inlet 63a is opened on the upper surface of the other end. A flat portion 45 having a predetermined width is provided between the duct 62 and the duct 63 and between the fitting portions 42 and 44 on the upper surface of the lid 4 and the fitting portion 43. As shown in FIG. 8, a rail 64 for sliding the second row seats 102 in the front-rear direction is laid on the flat portion 45.

  FIG. 9 is a longitudinal sectional view of the air conditioning unit 3 including the intake duct 63 in the front-rear direction. As shown in FIG. 9, one end of the left and right intake ducts 63 communicates with the inside spaces SP11 and SP12 of the box 2 (only the SP11 side is shown in the figure) through holes 44a provided in the lid 4. As a result, the air in the passenger compartment is guided into the spaces SP11 and SP12 through the intake duct 63 by driving the blower fan 31, and the air in the spaces SP11 and SP12 is sucked into the evaporator 31 from the air inlet 31a. In this case, the air taken into the space SP12 is sucked from the air inlet 31a via the space SP13 and the space SP11, and the air flows around the air conditioning unit 3.

According to the above embodiment, the following effects can be obtained.
(1) The box 2 is attached to the lower side of the floor panel 1 and the components of the air conditioning unit 3 are divided into the left and right sides of the box 2 with the propeller shaft 15 and the exhaust pipe 16 interposed therebetween. An intermediate duct 33 is disposed above the propeller shaft 15, and the components of the air conditioning unit 3 distributed to the left and right are connected via the intermediate duct 33. Thereby, since it is not necessary to arrange the air conditioning unit 3 facing the cargo compartment 104, the volume of the cargo compartment 104 can be easily expanded. Further, by distributing the air conditioning unit 3 to the left and right, the lower end surface of the air conditioning unit 3 can be positioned above the guard bar 17, and damage to the air conditioning unit 3 can be prevented.

(2) Since the evaporator 31 and the heater core 34 are arranged separately on the left and right below the floor panel 1, a sufficient heat exchanger capacity can be secured, and air conditioning performance is improved.
(3) Since the blower fan 32 is arranged immediately upstream of the intermediate duct 33, the flow velocity of air in the intermediate duct 33 can be increased, and the heat of the air passing through the intermediate duct 33 to the outside can be increased. Outflow can be suppressed.
(4) The box 2 bulging below the floor panel 1 is supported via the hole 11 provided in the floor panel 1 and the air conditioning unit 3 is accommodated in the box 2. Mounting of the air conditioning unit 3 is easy.
(5) The accommodation spaces SP11 and SP12 separated in the left and right are formed in the box 2, and the accommodation spaces SP3 that connect the spaces SP11 and SP12 at the top are formed, and the air conditioning unit 3 is disposed in each space. Support was provided in box 2. Thereby, the air conditioning unit 3 and the box 2 can be integrated into a module, and the air conditioning unit 3 can be mounted on the vehicle at a time.
(6) Since the entire upper surface of the box 2 is covered with the lid 4, it is possible to suppress the transmission of noise into the vehicle interior.
(7) Since the air conditioning unit 3 is supported by a part of the inner wall (supporting portion 25) of the box 2, an air layer is interposed between the air conditioning unit 3 and the box 2 to insulate the air conditioning unit 3 from the outside air. be able to.

  In the above embodiment, the air conditioning unit 105 of the front air conditioner is provided separately from the air conditioning unit 3, but only the air conditioning unit 3 may be provided in the vehicle. In this case, the arrangement and duct shape of the air conditioning unit 3 may be set so that the conditioned air is blown not only to the rear seat occupant but also to the front seat occupant. It is not restricted to what was mentioned above. As the components of the air conditioning unit 3, an evaporator 31 having a cooling function, a blower fan 32 having a blowing function, a heater core 34 having a heating function, an air mix function, an outlet selection function, and the like are used. It is not limited to.

  The evaporator 31 or the blower fan 32 arranged in the accommodation space SP11 as the first space is configured as the first air conditioning functional component, and the heater core 34 arranged in the accommodation space 12 as the second space. Is configured as the second air-conditioning functional component and the intermediate duct 33 disposed in the accommodation space SP13 as the third space is configured as the air-conditioning duct. However, the arrangement of the functional components is not limited thereto. For example, each functional component may be arranged on the opposite side. The propeller shaft 15 and the exhaust pipe 16 are arranged as functional parts other than the air conditioning function between the left and right bulging portions 22 and 23 of the box 2, but other parts other than the air conditioning function may be arranged. A pair of left and right bulging portions 22 and 23 (first bulging portion and second bulging portion) and a connecting portion 24 for connecting them are provided in the box 2, and the air conditioning unit 3 is accommodated in the single box 2. However, the case may be formed by assembling a plurality of components.

  In the above embodiment, the example in which the air conditioning unit 3 is mounted on the one-box car 100 has been described. However, the air-conditioning unit 3 can be similarly mounted on a vehicle other than the one-box car. That is, the present invention is not limited to the vehicle air conditioner according to the embodiment as long as the features and functions of the present invention can be realized. The above description is merely an example, and when interpreting the invention, there is no limitation or restriction on the correspondence between the items described in the embodiment and the items described in the claims.

The side view which shows schematic structure of the vehicle which has the air conditioner which concerns on embodiment of this invention. FIG. 2 is an exploded perspective view of peripheral parts of the air conditioning unit in FIG. 1. FIG. 3 is a cross-sectional view of a main part of FIG. 2. The IV section enlarged view of FIG. The disassembled perspective view of the air conditioning unit of FIG. The perspective view which shows the accommodation state of the air conditioning unit of FIG. The perspective view which shows the structure of the air conditioning duct attached to the air conditioning apparatus which concerns on this Embodiment. The perspective view of the floor panel in a vehicle. The longitudinal cross-sectional view of the air conditioning unit containing an intake duct.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Floor panel 2 Box 22, 23 Expansion part 24 Connection part 3 Air conditioning unit 31 Evaporator 32 Blower fan 33 Intermediate duct 34 Heater core

Claims (5)

A vehicle air conditioner composed of a plurality of air conditioning functional parts having an air conditioning function,
A first air-conditioning functional component disposed in a first space below the floor panel;
A second air-conditioning function that is disposed below the floor panel and in a second space on the lateral side of the first air-conditioning functional part with another functional part having a function other than the air-conditioning function. Parts,
An air passage is formed in a third space below the floor panel and above the other functional parts, and guides air from the first air conditioning functional parts to the second air conditioning functional parts. An air conditioning apparatus for a vehicle, comprising: an air conditioning duct that performs air conditioning. The vehicle air conditioner according to claim 1,
A cooling heat exchanger is disposed in the first space,
The vehicle air conditioner, wherein a heating heat exchanger is disposed in the second space. In the vehicle air conditioner according to claim 2,
The vehicle air conditioner further comprises a blower disposed in the first space downstream of the cooling heat exchanger and immediately upstream of the air conditioning duct. In the vehicle air conditioner according to any one of claims 1 to 3,
The first air-conditioning functional component, the second air-conditioning functional component, and the air-conditioning duct are respectively in cases that form the first space, the second space, and the third space. Contained,
The vehicle air conditioner, wherein the case is disposed in an opening provided in the floor panel and is supported by the floor panel. A case having a first bulge portion and a second bulge portion which are separated from each other and bulge downward, and a connecting portion which connects the first bulge portion and the second bulge portion at the top. When,
A first functional component for air conditioning housed in the first bulging portion;
A second functional component for air conditioning housed in the second bulging portion;
An air conditioning system for a vehicle comprising: an air conditioning duct that is accommodated in the connecting portion and that forms an air passage for guiding air from the first functional component for air conditioning to the second functional component for air conditioning. module.

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