WO2016103639A1

WO2016103639A1 - Vehicle air conditioning device

Info

Publication number: WO2016103639A1
Application number: PCT/JP2015/006254
Authority: WO
Inventors: 新美　和也; 哲犬飼
Original assignee: 株式会社デンソー
Priority date: 2014-12-22
Filing date: 2015-12-15
Publication date: 2016-06-30

Abstract

A blowing mode door (50), which comprises a rotary door, includes a pair of lateral plate parts (53) that link, in the rotational axis direction, both ends of a door plate part (51) and a rotational shaft part (52). In accordance with the rotation position of the door plate part (51), the blowing mode door (50) opens and closes openings other than side face openings (33A), and sets the mode for blowing air conditioning air from the other openings to the interior of a vehicle. Between the pair of lateral plate parts (53), provided is a first air guiding passage (301) that guides the air conditioning air to the other openings. Between the pair of lateral plate parts (53) and an air conditioning case (21), provided are second air guiding passages (302) that directly guide air conditioning air along the lateral plate parts (53) towards the side face openings (33A). Due to this configuration, it becomes possible to reduce air flow resistance in the air guiding passages that guide air conditioning air to the side face openings.

Description

Air conditioner for vehicles

Cross-reference of related applications

This application includes Japanese Patent Application No. 2014-259023 filed on Dec. 22, 2014 and Japanese Patent Application No. 2015-2015 filed on Sep. 22, 2015, the disclosures of which are incorporated herein by reference. Based on 186161.

The present disclosure relates to a vehicle air conditioner in which a blowout mode door is a rotary door.

As a conventional technique, for example, there is an automotive air conditioner disclosed in Patent Document 1. This air conditioner is provided with a blowing mode door composed of a rotary door. An opening is provided in the side plate portion that connects the door plate portion of the blowout mode door and the rotary shaft. The conditioned air that has passed through the opening of the side plate is guided to the side face opening of the air conditioning case, and blown out from the side face outlets at the left and right ends of the vehicle interior into the vehicle interior.

However, in the above-described conventional air conditioner, the air guide passage that guides the conditioned air to the side face opening of the air conditioning case is a relatively narrow passage that is bent. For this reason, the ventilation resistance of the air guide passage to the side face opening is relatively large, and the pressure loss of the conditioned air flowing toward the side face opening tends to increase.

US Patent Application Publication No. 2006/0254295

The present disclosure has been made in view of the above points, and an object of the present disclosure is to provide a vehicle air conditioner that can reduce the ventilation resistance of the air guide passage that guides the conditioned air to the side face opening.

According to one aspect of the present disclosure, a vehicle air conditioner includes an air conditioning case having a passage of conditioned air blown into the vehicle interior, the air conditioning case, and from the left and right ends of the vehicle interior to the occupant head side and A side face opening connected to a side face outlet capable of blowing the conditioned air toward the vehicle side window glass side; and the air conditioned case, and the air conditioned air is blown toward the vehicle interior. A door having an arcuate surface at a position away from the rotation axis of the rotating shaft, and another opening connected to the air outlet other than the side face outlet, a rotating shaft supported by the air conditioning case A plate portion and a pair of side plate portions that connect both end portions of the door plate portion and the rotation shaft portion in the rotation axis direction in which the rotation axis extends, and depending on the rotation position of the door plate portion At the door plate The other opening is opened and closed between the pair of side plates and the blowing mode door for setting the blowing mode of the conditioned air from the other opening to the vehicle interior. A first air guide passage for guiding the conditioned air to the opening, and each of the pair of side plate portions and the air conditioning case, and the conditioned air is supplied to the side face opening along the side plate portion. And a second air guide passage for guiding.

According to this, the second air guide passage for guiding the conditioned air to the side face opening can be a straight passage along the side plate portion of the blowing mode door. Accordingly, it is possible to reduce the ventilation resistance of the second air guide passage that guides the conditioned air to the side face opening.

According to another aspect of the present disclosure, a vehicle air conditioner includes an air conditioning case having a passage of conditioned air blown into a vehicle interior, and the air conditioning case provided from the left and right ends of the vehicle interior. A side face opening that is connected to a side face outlet that can blow out the conditioned air toward the side and the vehicle side window glass, and provided in the air conditioning case, and the conditioned air is directed toward the vehicle interior. A circular arc surface is formed at a position away from the rotation axis of the rotation shaft portion, another rotation portion connected to the blowout port other than the side face blowout port, the rotation shaft portion pivotally supported by the air conditioning case, and the rotation shaft portion. A door plate portion having a pair of side plate portions that connect both the end portions of the door plate portion and the rotation shaft portion in the rotation axis direction in which the rotation axis extends, and at a rotation position of the door plate portion. According to the door plate The other opening is opened and closed, and is provided between the pair of side plate portions and the blowing mode door that sets the blowing mode of the conditioned air from the other opening to the vehicle interior. A first air guide passage that guides the conditioned air to the opening of each of the pair of side plate portions and the air conditioning case, and the conditioned air is passed through the first air guide passage. And a second air guide passage that leads to the side face opening along the side plate portion.

According to this, the second air guide passage can be a straight passage along the side plate portion of the blowing mode door that guides the conditioned air to the side face opening without passing through the first air guide passage. Accordingly, it is possible to reduce the ventilation resistance of the second air guide passage that guides the conditioned air to the side face opening.

It is sectional drawing of the air conditioning unit of the vehicle air conditioner in one Embodiment of this indication, and has shown the face blowing mode in the 1st guide plate formation position. It is a front view of the blowing mode door which is a rotary door in one Embodiment. FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 2, and shows the outermost rotation trajectory of the blowout mode door with a two-dot chain line. FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 2, and shows the outermost rotation trajectory of the blowing mode door with a two-dot chain line. It is a perspective view which shows an example of a structure and combination state of the air mix door and the blowing mode door in one Embodiment. FIG. 6 is a sectional view taken along line VI-VI in FIG. 1. However, an example in which the blowing mode door is slightly different from the door shown in FIGS. 1 to 5 is shown. It is sectional drawing of the air conditioning unit in one Embodiment, and has shown the bilevel blowing mode in the 1st guide plate formation position. It is sectional drawing of the air conditioning unit in one Embodiment, and has shown the foot blowing mode in the 1st guide plate formation position. It is sectional drawing of the air conditioning unit in one Embodiment, and has shown the foot defroster blowing mode in the 1st guide plate formation position. It is sectional drawing of the air conditioning unit in one Embodiment, and has shown the defroster blowing mode in the 1st guide plate formation position. It is sectional drawing of the air conditioning unit in one Embodiment, and has shown the face blowing mode in the 2nd guide plate formation position. It is sectional drawing of the air conditioning unit in one Embodiment, and has shown the bilevel blowing mode in the 2nd guide plate formation position. It is sectional drawing of the air conditioning unit in one Embodiment, and has shown the foot blowing mode in the 2nd guide plate formation position. It is sectional drawing of the air conditioning unit in one Embodiment, and has shown the foot defroster blowing mode in the 2nd guide plate formation position. It is sectional drawing of the air conditioning unit in one Embodiment, and has shown the defroster blowing mode in the 2nd guide plate formation position. It is a schematic diagram which shows the upper surface of the air conditioning unit in one Embodiment, and has shown the face blowing mode. It is a schematic diagram which shows the upper surface of the air conditioning unit in one Embodiment, and has shown the defroster blowing mode. It is sectional drawing which shows the air flow to the side face opening part when the center face opening part is obstruct | occluded in one Embodiment. It is sectional drawing which shows the air flow to the side face opening part when the center face opening part is obstruct | occluded in a comparative example. It is sectional drawing of the air conditioning unit in the modification of one Embodiment, and respond | corresponds to FIG.

Hereinafter, a plurality of modes for carrying out the present disclosure will be described with reference to the drawings. In each embodiment, parts corresponding to the matters described in the preceding embodiment may be denoted by the same reference numerals, and redundant description may be omitted. In the case where only a part of the configuration is described in each embodiment, the other parts of the configuration are the same as those described previously. In addition to the combination of parts specifically described in each embodiment, the embodiments may be partially combined as long as the combination is not particularly troublesome.

An embodiment to which the present disclosure is applied will be described with reference to FIGS. The ventilation system of the vehicle air conditioner according to the present embodiment is roughly divided into two parts: an air conditioning unit 20 shown in FIG. 1 and a blower unit that blows air to the air conditioning unit 20. The blower unit is disposed, for example, offset from the center to the passenger seat side in the lower part of the instrument panel in the passenger compartment. On the other hand, the air conditioning unit 20 is disposed at a substantially central portion in the vehicle left-right direction in the lower portion of the instrument panel in the vehicle interior. The blower unit includes an inside / outside air switching box that switches between outside air that is outside the passenger compartment and inside air that is inside the passenger compartment, and a blower that sucks and blows air through the inside / outside air switching box. The outlet part of the blower air of the blower unit is connected to the air inlet 24 of the air conditioning unit 20.

The air conditioning unit 20 includes an evaporator 22 that is a cooling heat exchanger and a heater core 23 that is a heating heat exchanger in a common air conditioning case 21. The air conditioning case 21 forms therein an air passage for conditioned air that blows into the passenger compartment.

The air-conditioning case 21 is made of a resin molded product that has elasticity to some extent, such as polypropylene resin, and is excellent in strength. The air conditioning case 21 is formed by combining a plurality of individually molded cases, for example. The air conditioning case 21 can be configured by combining, for example, an upper case, a middle case, and a lower case. The plurality of individually molded cases accommodate the devices such as the evaporator 22, the heater core 23, and a door, which will be described later, and then are integrally coupled by a fastening member such as a metal spring clip or a screw to form the air conditioning case 21.

An air inflow port 24 is provided at the left side of the air conditioning case 21 on the front side of the vehicle. Air blown from the blower unit flows into the air inlet 24.

In the air conditioning case 21, the evaporator 22 is disposed at a position immediately after the air inlet 24 so as to cross the entire air passage. The evaporator 22 absorbs the latent heat of evaporation of the refrigerant in the refrigeration cycle from the air and cools the air. The evaporator 22 is installed in the air conditioning case 21 with a slight inclination in the vehicle longitudinal direction and a slight inclination in the longitudinal direction in the vehicle vertical direction. The evaporator 22 is of a laminated type, and has a core portion in which a large number of flat tubes made of a thin metal plate such as aluminum are laminated with corrugated fins and integrally brazed.

The heater core 23 is disposed adjacent to the downstream side of the evaporator 22 at a predetermined interval. The heater core 23 heats the cold air that has passed through the evaporator 22. For example, high-temperature engine cooling water flows through the heater core 23 and heats the air using the cooling water as a heat source. Similarly to the evaporator 22, the heater core 23 is thin in the vehicle front-rear direction and is installed in the air-conditioning case 21 with a slight inclination in the longitudinal direction in the vehicle vertical direction. The heater core 23 has a core portion in which a large number of flat tubes made of a thin metal plate such as aluminum are laminated with corrugated fins and integrally brazed.

In the air conditioning case 21, a cold air passage 25, which is a bypass passage through which the cold air flowing out from the evaporator 22 bypasses the heater core 23, is formed at a portion above the heater core 23. On the other hand, in the air conditioning case 21, a warm air passage 28 is formed on the downstream side of the air flow of the heater core 23 from the immediately after the heater core 23 toward the upper side. In the downstream side of the cool air passage 25, there is a cold / hot air mixing space 30 in which the cool air from the cold air passage 25 and the warm air from the hot air passage 28 are merged from the intersecting direction to mix the cool air and the hot air. Is formed.

An air mix door 40 that adjusts the air volume ratio of the warm air passing through the heater core 23 and the cool air passing through the cool air passage 25 is disposed on the upper side, which is the downstream side of the air flow from the heater core 23.

In the upper surface of the air conditioning case 21, a defroster opening 31 is opened at the front side of the vehicle. This defroster opening 31 is where the temperature-controlled air flows from the cool / warm air mixing space 30 and is connected to the defroster outlet through the defroster duct, from the outlet to the inner surface of the vehicle front window glass. The wind is blown out.

On the upper surface of the air conditioning case 21, a center face opening 33 is opened at a site on the vehicle rear side of the defroster opening 31. The center face opening 33 also receives the temperature-controlled air from the cold / hot air mixing space 30. The center face opening 33 is connected to, for example, a center face air outlet provided at the center in the vehicle width direction of the instrument panel via the center face duct, and the wind from the air outlet toward the passenger's head in the vehicle compartment. To come out.

Further, a foot opening 35 is opened in the rear surface portion of the air conditioning case 21. The foot opening 35 also receives the temperature-controlled air from the cool / warm air mixing space 30, and the downstream side of the foot opening 35 is connected to the foot outlet through the foot duct. The wind is blown toward the passenger's feet.

The plurality of openings described above, that is, the defroster opening 31, the center face opening 33, and the foot opening 35 are opened and closed by the blowing mode door 50. The blowout mode door 50 is configured to form a blowout mode in which one or more of the defroster opening 31, the center face opening 33, and the foot opening 35 are opened according to the rotation stop position. .

As shown in FIG. 6, side face openings 33 A are opened on both sides of the center face opening 33 in the vehicle width direction on the upper surface of the air conditioning case 21. The side face opening 33 A also receives the temperature-controlled air from the cold / hot air mixing space 30. The side face opening 33A is connected to, for example, side face outlets provided at both ends of the instrument panel in the vehicle width direction via a side face duct. And a wind is blown off from this blower outlet toward the passenger | crew's head side or vehicle side window glass in a vehicle interior. The blowing direction of the conditioned air from the side face outlet can be changed by a blowing louver which is an example of a blowing direction changing device provided at the side face outlet.

The aforementioned defroster opening 31, center face opening 33, and foot opening 35 correspond to openings other than the side face opening 33A in the present embodiment.

The vehicle air conditioner having the above-described configuration includes, for example, an electronic control device to which operation signals from various operation members provided on an air conditioning operation panel and sensor signals from various sensors for air conditioning control are input. And the position of each

door

40 and 50 is controlled by the output signal of this control apparatus.

The air mix door 40 is made of, for example, a resin material. As shown in FIG. 5, the air mix door 40 has a door plate portion 41, a rotating shaft portion 42, and a side plate portion 43 that are integrally formed. The door plate portion 41 is formed in a circular arc shape separated by a predetermined amount from the rotation axis. The rotation shaft portion 42 has a pair of substantially cylindrical shapes arranged on the rotation axis. The side plate portion 43 has a substantially fan shape that connects the door plate portion 41 and the rotary shaft portion 42. The air mix door 40 is a rotary door in which the door plate portion 41 rotates around the rotation shaft portion 42. The door plate portion 41 is an air mix door plate portion.

As shown in FIG. 6, the air mix door 40 has a pair of rotation shaft portions 42 on both ends of the door plate portion 41 in the rotation axis direction, and the side plate portions 43 are in the rotation axis direction of the door plate portion 41. The both end portions 411 and the pair of rotating shaft portions 42 are connected. Each rotation shaft portion 42 is extended so that the tip end portion protrudes outward with the base end portion being substantially the same position as the end portion 411 of the door plate portion 41 in the rotation axis direction. The end portion is connected to the side plate portion 43.

On the other hand, the blowing mode door 50 is also made of, for example, a resin material. As shown in FIGS. 2 to 5, the blowing mode door 50 includes a door plate portion 51, a door base portion 58, and a seal member 59. The door base 58 includes a rotation shaft portion 52, a side plate portion 53, a partition plate 54, a first guide plate 55, and a second guide plate 56. The door base portion 58 is configured by integrally forming a rotary shaft portion 52, a side plate portion 53, a partition plate 54, a first guide plate 55, and a second guide plate 56.

The door plate portion 51 and the door base portion 58 can be formed of a hard member such as polypropylene resin, for example. The seal member 59 can be formed of a soft member such as a urethane foam resin.

The door plate portion 51 is formed in a circular arc shape that is separated from the rotation axis AA by a predetermined amount. The door board part 51 is a door board part of the blowing mode door in this embodiment, and is equivalent to a mode door board part. The rotation shaft portion 52 has a pair of substantially cylindrical shapes arranged on the rotation axis AA. The side plate portion 53 has a substantially disk shape that connects the door plate portion 51 and the rotating shaft portion 52. The side plate portion 53 extends in a direction orthogonal to the rotation axis AA. The pair of side plate portions 53 are provided on both ends of the door plate portion 51 in the direction of the rotation axis AA. The pair of side plate portions 53 are disposed so as to connect both end portions of the door plate portion 51 and the rotation shaft portion 52 in the direction in which the axis of the rotation shaft portion 52 extends.

The blowout mode door 50 is a rotary door in which the door plate portion 51 rotates around the rotation shaft portion 52. The blowout mode door 50 is a rotary door that rotates around the rotation axis AA.

In the example shown in FIGS. 2 to 5, the door plate portion 51 is formed as a separate body from the door base portion 58. That is, the door plate portion 51 is formed separately from the side plate portion 53. In the present embodiment, the door plate portion 51 includes a first door plate portion 51a and a second door plate portion 51b. Each of the first door plate portion 51a and the second door plate portion 51b is formed in an arcuate shape. The 1st door board part 51a and the 2nd door board part 51b are arrange | positioned in the position away only the same distance from rotation axis AA. The 1st door board part 51a and the 2nd door board part 51b are arrange | positioned in the position which is different in the rotation direction of the blowing mode door 50. As shown in FIG.

As shown in FIG. 5, claw-like locking portions 513 are provided at both ends of the first door plate portion 51a and the second door plate portion 51b in the direction of the rotation axis AA. Further, a claw-like locking portion 533 is provided on the outer peripheral edge of the side plate portion 53 in correspondence with the locking portion 513. The door plate portion 51 is connected to the pair of side plate portions 53 when the locking portion 513 and the locking portion 533 are locked to each other. The connection structure between the door plate portion 51 and the side plate portion 53 is not limited to the above-described locking structure. The door plate portion 51 and the side plate portion 53 may be connected by, for example, bonding, welding, screwing, or the like after being formed separately.

A seal member 59 is provided on the outer peripheral surface of the door plate portion 51. The seal member 59 is provided to seal between the door plate portion 51 and the air conditioning case 21. The seal member 59 has a seal member 59a and a seal member 59b. A seal member 59a is provided on the outer peripheral surface of the first door plate portion 51a. A seal member 59b is provided on the outer peripheral surface of the second door plate portion 51b.

In this example, the seal member 59a is provided so as to cover the entire outer surface of the first door plate portion 51a. The seal member 59b is provided so as to cover the entire outer surface of the second door plate portion 51b.

The seal member 59 is disposed on the outer peripheral surface of the door plate portion 51 by sticking, for example. In this example, a part of the outer peripheral edge portion of the seal member 59 is attached to the inner peripheral surface of the door plate portion 51. As for each

door board part

51a, 51b, the edge part of the both ends of a rotation direction is covered with the sealing member 59. FIG. The connection between the door plate portion 51 and the seal member 59 is not limited to adhesion or adhesion. For example, when molding one member of the door plate portion 51 and the seal member 59, the other member may be insert-molded.

The partition plate 54 has a plate shape extending in a direction perpendicular to the rotation axis. The partition plate 54 is disposed between the pair of side plate portions 53. In this example, four partition plates 54 are provided in parallel with the side plate portions 53, and a space serving as an air passage between the pair of side plate portions 53 is partitioned into five in the direction of the rotation axis AA.

2 and 3, the two partition plates 54 located at the center of the four partition plates 54 in the direction of the rotation axis AA are connected to each other by two first guide plates 55. In addition, the side plate portion 53 and the partition plate 54 located on the outermost side in the direction of the rotation axis AA among the four partition plates 54 are also connected by the two first guide plates 55.

The first guide plate 55 extends in the direction of the rotation axis AA. As shown in FIG. 3, one of the two first guide plates 55 is formed in a flat plate shape. The other first guide plate 55 is formed in a cup shape with a cross-sectional shape having a protrusion at the bottom. The first guide plate 55 is provided in the air passage provided with the first guide plate 55 among the air passages partitioned by the partition plate 54 in order to promote mixing of cold air and hot air. The first guide plate 55 guides the cold air and the hot air to gather at the central portion of the cold / hot air mixing space 30 in order to promote mixing in the cold / hot air mixing space 30. The first guide plate 55 may be simply referred to as a guide.

As shown in FIG. 3, the first door plate portion 51a is integrally provided with a guide plate 511 that protrudes inward at a position corresponding to the air passage in which the first guide plate 55 is disposed. ing. The guide plate 511, together with the first guide plate 55, promotes mixing of the cool air and the warm air in the cool / warm air mixing space 30.

As shown in FIGS. 2 and 3, among the four partition plates 54, the partition plate 54 located on the outermost side in the direction of the rotation axis AA and the partition plates 54 adjacent thereto are two second plates. The guide plates 56 are connected to each other.

The second guide plate 56 extends in the direction of the rotation axis AA. As shown in FIG. 4, the two second guide plates 56 are each formed in a slightly curved plate shape. Of the air passages partitioned by the partition plate 54, the second guide plate 56 prevents the cold air from being mixed with the hot air in the air passage provided with the second guide plate 56, so that the hot air is in the cold / hot air mixing space. It is provided to help reach 30 predetermined areas. The second guide plate 56 is provided to guide the cold air so as to prevent entry into the air passage and to guide the hot air so as to prompt entry into the air passage. The second guide plate 56 is configured so that the hot air blown from the hot air outlet of the hot air passage 28 reaches a region of the cold / hot air mixed space 30 opposite to the hot air outlet side of the hot air passage 28. , Guide the hot air. The second guide plate 56 may be called a baffle.

The partition plate 54, the first guide plate 55, and the second guide plate 56 are formed integrally with the pair of side plate portions 53 so as to connect the pair of side plate portions 53. The pair of side plate portions 53 are firmly connected to each other by a lattice-like body including a plurality of partition plates 54 and a plurality of first guide plates 55 and second guide plates 56 provided in each air passage.

The partition plate 54, the first guide plate 55, and the second guide plate 56 are connecting portions that connect the pair of side plate portions 53 to each other. The partition plate 54, the first guide plate 55, and the second guide plate 56 are guide members that guide air flowing between the pair of side plate portions 53.

Although the door base 58 includes the first guide plate 55 and the second guide plate 56 between the pair of side plate portions 53, the door base 58 can be formed by a mold that opens in a direction orthogonal to the rotation axis AA. . A configuration including the partition plate 54, the first guide plate 55, and the second guide plate 56 can be easily molded by a molding die that molds opposed surfaces of the pair of side plate portions 53.

Thus, the door base 58 does not have an undercut portion between the pair of side plate portions 53 with respect to the mold opening direction of the mold. Therefore, the connecting portion of the lattice-like body that connects the pair of side plate portions 53 to each other can be easily formed by a forming die having a simple structure that does not have a slide mechanism. The grid-shaped guide member composed of the partition plate 54, the first guide plate 55, and the second guide plate 56 can be easily formed by a forming die having a simple structure.

The door base portion 58 has a pair of side plate portions 53 connected by a connecting portion of a lattice-like body, and can be a strong structure having relatively high rigidity. Therefore, the door plate portion 51, which is separate from the door base portion 58, can support the door plate portion 51 by the door base portion 58 even if the structural strength is relatively small. Therefore, in the present embodiment, the thickness of the door plate portion 51 is made smaller than the thickness of each portion of the door base portion 58. For example, the thickness of the side plate portion 53 can be 1.2 mm, and the thickness of the door plate portion 51 can be 0.9 mm. Thus, even if the thickness of the door plate portion 51 is made thinner than the thickness of the side plate portion 53, the door plate portion 51 can be stably supported.

As described above, the blowout mode door 50 is a rotary door in which the door plate portion 51 rotates around the rotation shaft portion 52. The blow-out mode door 50 has a pair of rotating shaft portions 52 on both end sides of the door plate portion 51 in the direction of the rotation axis AA, and the side plate portion 53 rotates in a pair with both ends of the door plate portion 51 in the rotating axis direction. The shaft portion 52 is connected. Each of the rotation shaft portions 52 is extended so that the distal end portion protrudes outward with the base portion being substantially the same position as the end portion of the door plate portion 51 in the rotation axis direction. The part is connected to the side plate part 53.

The rotation shaft portion 52 of the blow-out mode door 50 is disposed inside the rotation shaft portion 42 of the air mix door 40, and the rotation axis of the rotation shaft portion 42 and the rotation axis of the rotation shaft portion 52 are coaxial. Has been placed. Further, the separation distance from the rotation axis of the door plate portion 41 of the air mix door 40 is set slightly larger than the separation distance from the rotation axis of the door plate portion 51 of the blowing mode door 50. The separation distance from the rotation axis of the rotation shaft portion 42 of the door plate portion 41 of the air mix door 40 is set slightly larger than the separation distance from the rotation axis of the rotation shaft portion 52 of the door plate portion 51 of the blowing mode door 50. It can be said that it is.

The dimension in the rotation axis direction of the door plate portion 41 of the air mix door 40 is set to be larger than the dimension in the rotation axis direction of the door plate portion 51 of the blowing mode door 50. Therefore, the interval between the side plate portions 43 of the air mix door 40 is wider than the interval between the side plate portions 53 of the blowing mode door 50. In other words, the pair of side plate portions 43 of the air mix door 40 are located outward in the rotational axis direction than the pair of side plate portions 53 of the blowout mode door 50.

The rotating shaft portion 42 and the rotating shaft portion 52 are directly or indirectly supported by the air conditioning case 21. With the above-described configuration, the air mix door 40 and the blowing mode door 50 assembled in the air conditioning case 21 with the same rotation axis can be rotated without interfering with each other. The rotation trajectory of the door plate portion 41 of the air mix door 40 is adapted to follow the rotation trajectory of the door plate portion 51 outside the rotation trajectory of the door plate portion 51 of the blowing mode door 50.

In the example described with reference to FIGS. 2 to 5, the blowout mode door 50 has the door plate portion 51 and the door base portion 58 including the pair of side plate portions 53 formed separately and combined with each other. . However, the structure of the blowing mode door 50 is not limited to this. For example, the blowing mode door 50 may be integrally formed. Further, for example, a plurality of blowing mode doors 50 may be separately formed and combined with each other so that a position different from the above-described example becomes a combination position.

For example, as in the example shown in FIG. 6, the door plate portion 51, the rotating shaft portion 52, and the side plate portion 53 may be integrally formed. The blowout mode door 50 is configured by combining a molded body including the door plate portion 51, the rotating shaft portion 52 and the side plate portion 53 with a molded body including the partition plate 54, the first guide plate 55 and the second guide plate 56. It doesn't matter. In the example shown in FIG. 6, the shapes of the first and

second guide plates

55 and 56 and the like are slightly different from those in the example described with reference to FIGS.

The blow-out mode door 50 can be provided by combining a plurality of components formed as separate bodies. The position where a plurality of constituent members are connected in combination may be any. For example, there may be a connection position in the side plate portion 53. That is, one side plate portion 53 may be separately molded as a plurality of constituent members, and the side plate portion 53 may be formed by combining these plurality of constituent members.

As shown in FIG. 6, the rotary shaft portion 42 of the air mix door 40 and the rotary shaft portion 52 of the blow-out mode door 50 are directly or Indirectly supported. A first air guide passage 301 is formed between the pair of side plate portions 53 of the blowing mode door 50. The first air guide passage 301 is located between the pair of side plate portions 53. The first air guide passage 301 also functions as the cool / warm air mixing space 30.

The conditioned air flowing through the first air guide passage 301 flows into an opening of the defroster opening 31, the center face opening 33, and the foot opening 35 that is opened according to the rotation stop position of the door plate 51. To do. The conditioned air flowing through the first air guide passage 301 flows into at least one of the defroster opening 31, the center face opening 33, and the foot opening 35. The first air guide passage 301 is an air guide passage that guides conditioned air to another opening in the present embodiment. In addition, when the blowing mode in which the center face opening 33 is opened is set, a part of the conditioned air flowing through the first air guide passage 301 flows into the side face opening 33A.

A second air guide passage 302 is formed between each of the pair of side plate portions 53 of the blowing mode door 50 and the side wall portion 211 of the air conditioning case 21 facing each side plate portion 53. The second air guide passages 302 are located between the respective side plate portions 53 and the side wall portions 211 facing the side plate portions 53. As described above, the dimension in the rotation axis direction of the door plate portion 41 of the air mix door 40 is larger than the dimension in the rotation axis direction of the door plate portion 51 of the blowing mode door 50. As is clear from FIG. 6, both end portions 411 of the door plate portion 41 are located outward from the respective side plate portions 53. Both end portions 411 of the door plate portion 41 in the rotation axis direction are located outward from both end portions 5111 of the door plate portion 51 in the rotation axis direction. The door plate portion 41 extends to the lower side of the second air guide passage 302. Accordingly, the second air guide passage 302 also functions as the cold / hot air mixing space 30.

The conditioned air flowing through the second air guide passage 302 flows along the side plate portion 53 and then flows into the side face opening 33A regardless of the rotational position of the door plate portion 51. The conditioned air flowing through the second air guide passage 302 flows along the side plate portion 53 over the entire area of the side plate portion 53 in the ventilation direction. In this example, the conditioned air flowing through the second air guide passage 302 flows along the side plate portion 53 over substantially the entire area of the side plate portion 53 in the vertical direction. The conditioned air flowing through the second air guide passage 302 also flows through the second air guide passage 302 along the side wall portion 211. The second air guide passage 302 is an air guide passage for guiding the conditioned air to the side face opening 33A in the present embodiment. The side face opening 33A is a normally open opening that opens in any blowing mode.

The conditioned air flowing through the second air guide passage 302 is guided to the side face opening 33A along the side plate portion 53 without passing through the first air guide passage 301. The second air guide passage 302 is formed between each of the pair of side plate portions 53 and the side wall portion 211 of the air conditioning case 21 facing each side plate portion 53. The second air guide passage 302 guides the conditioned air to the side face opening 33 A along the side plate portion 53 without passing through the first air guide passage 301.

The opening is not provided in the side plate part 53 of the blowing mode door 50 of this embodiment. The side plate portion 53 partitions the first air guide passage 301 and the second air guide passage 302 so as to isolate them. The side plate portion 53 defines a first air guide passage 301 and a second air guide passage 302 that are formed on the sides of the side plate portion 53 with the side plate portion 53 interposed therebetween. The side plate portion 53 blocks the flow of conditioned air from the first air guide passage 301 to the second air guide passage 302. Further, the side plate portion 53 blocks the inflow of conditioned air from the second air guide passage 302 to the first air guide passage 301.

As described above, the pair of side plate portions 53 and the first air guide passage 301 and the second air guide passage 301 are connected to the second air guide passage 301 and the second air guide passage 301 through the side plate portion 53 so as to prevent the flow of conditioned air from the first air guide passage 301 to the second air guide passage 302. It is arranged between the air guide passage 302. The side plate portion 53 has no opening or notch. Thereby, the side plate part 53 suppresses the inflow of the conditioned air from the first air guide passage 301 to the second air guide passage 302 through the opening or the notch.

Further, the pair of side plate portions 53 and the first air guide passage 301 and the second air guide passage so as to prevent inflow of conditioned air from the second air guide passage 302 to the first air guide passage 301 via the side plate portion 53. It is arranged between the passage 302. The side plate portion 53 has no opening or notch. Thereby, the side plate part 53 suppresses the inflow of the conditioned air from the second air guide passage 302 to the first air guide passage 301 via the opening or the notch.

Therefore, when the blowing mode in which the center face opening 33 is closed is set, only the conditioned air flowing through the second air guide passage 302 flows into the side face opening 33A. Further, when the blowing mode in which the center face opening 33 is opened is set, a part of the conditioned air flowing through the first air guide passage 301 and the conditioned air flowing through the second air guide passage 302 are the side face openings. It flows into the part 33A.

The side plate portion 53 and the side wall portion 211 that face each other with the second air guide passage 302 interposed therebetween are disposed substantially parallel to each other. Therefore, the width of the second air guide passage 302 is substantially uniform from the lower side which is the upstream side to the upper side which is the downstream side. Therefore, the ventilation resistance of the second air guide passage 302 is relatively small. Thereby, the pressure loss of the conditioned air that flows linearly from the bottom to the top in the second air guide passage 302 is also suppressed to be relatively small.

The width of the second air guide passage 302 in the rotation axis direction is preferably set to 10 to 25 mm, for example. That is, the distance between the side plate portion 53 and the side wall portion 211 is preferably 10 to 25 mm, for example. If the distance between the side plate portion 53 and the side wall portion 211 is less than 10 mm, the air volume of the air-conditioning air flowing into the side face opening portion 33A is likely to decrease when the blowing mode in which the center face opening portion 33 is closed is set. Absent. Moreover, when the space | interval of the side-plate part 53 and the side wall part 211 exceeds 25 mm, the physique of the air-conditioning case 21 will become large too much and is unpreferable.

On the other hand, the distance between the side plate portion 43 and the side wall portion 211 is preferably set to, for example, 5 mm or less in order to perform air mixing of cold and warm air while preventing mutual interference. The space | interval of the side-plate part 53 and the side wall part 211 can be set according to the desired amount of blowing air from a side face blower outlet. The amount of air blown from the side face air outlet can be easily changed by changing the setting of the separation distance between the side plate portion 53 and the side wall portion 211. Moreover, the space | interval of the side-plate part 43 and the side wall part 211 can be set according to a desired temperature control characteristic. The temperature adjustment characteristic from the side face outlet can be easily changed by changing the setting of the separation distance between the side plate portion 43 and the side wall portion 211.

Next, the operation of the air conditioning unit 20 of the vehicle air conditioner will be briefly described based on the above configuration.

When the air blower unit is operated and air is blown to the air conditioning unit 20 having the above configuration, the blown air from the air blower unit flows into the air conditioning unit 20 through the air inlet 24. Then, the inflow air is distributed by the air mix door 40 into a portion flowing through the cold air passage 25 and a portion heated by the heater core 23. Thereafter, the hot air heated by the heater core 23 and flowing through the hot air passage 28 and the cold air from the cold air passage 25 are mixed in the cold / hot air mixing space 30.

The conditioned air in which the cool air and the warm air are mixed in the cool / warm air mixing space 30 flows in the direction of the respective outlets on the downstream side, flows into the opening that opens according to the blow mode formed by the blow mode door 50, It is blown out into the passenger compartment.

In FIG. 1, the air mix door 40 is in a position for setting the maximum cooling state in which the cold air passage 25 is fully opened and the hot air passage 28 is fully closed, and the blowout mode door 50 opens the center face opening 33. The state which exists in the position which sets the face blowing mode which closes an opening part is shown. The openings that are closed when the face blowing mode is set are the defroster opening 31 and the foot opening 35.

When the air mix door 40 rotates in the clockwise direction shown in FIG. 1 from the state shown in FIG. 1, the ratio of the cool air flowing into the cool / warm air mixing space 30 decreases and the ratio of the hot air increases. The air mix door 40 can be rotated to the position shown in FIG.

On the other hand, when the blowing mode door 50 rotates in the clockwise direction shown in FIG. 1 from the state shown in FIG. 1, the blowing mode of the conditioned air blown from the cold / hot air mixing space 30 into the vehicle compartment is the bi-level mode and the foot mode. The foot defroster mode and the defroster mode are changed in this order.

The bi-level mode shown in FIG. 7 is a mode in which the air volume is distributed almost evenly between the center face opening 33 and the foot opening 35. The foot mode shown in FIG. 8 is a mode in which the air volume is distributed mostly to the foot opening 35 and a small portion to the defroster opening 31. In the foot mode shown in FIG. 8, for example, air is blown to the defroster opening 31 through a groove-shaped passage 311 provided in the air conditioning case 21.

The foot defroster mode shown in FIG. 9 is a mode in which the air volume is distributed almost evenly between the defroster opening 31 and the foot opening 35. The defroster mode shown in FIG. 10 is a mode in which almost the entire air volume is sent to the defroster opening 31. The blowing mode door 50 can be rotated to the position shown in FIG.

8, 9, and 10 show a state in which the air mix door 40 is in a position for setting a maximum heating state in which the cold air passage 25 is fully closed and the hot air passage 28 is fully open.

As shown in FIG. 7, in a state where the air mix door 40 can introduce cold air and hot air into the cold / hot air mixing space 30, the first guide plate 55 and the guide plate 511 allow the hot air in the cold / hot air mixing space 30 to Mixing with cold air is promoted. The first guide plate is also provided when the air mix door 40 rotates from the state shown in FIG. 1 and FIGS. 8 to 10 to introduce cold air and hot air into the cold / hot air mixing space 30. The mixing of the cool air and the warm air in the cool / warm air mixing space 30 is promoted by the 55 and the guide plate 511.

When each blowing mode is set in the air conditioning unit 20, the portion where the second guide plate 56 of the blowing mode door 50 is formed is in a state as shown in FIGS. FIG. 11 shows the state of the face mode. FIG. 12 shows a state of the bilevel mode. FIG. 13 shows the state of the foot mode. FIG. 14 shows the state of the foot defroster mode. FIG. 15 shows the state of the defroster mode.

In a state in which the air mix door 40 can introduce the cool air and the hot air into the cool / warm air mixing space 30, the second guide plate 56 easily inhibits the cool air from the cool air passage 25 from flowing into the cool / warm air mixing space 30. Become. Further, the second guide plate 56 makes it easy for the warm air flowing from the warm air passage 28 to reach the area near the defroster opening 31 in the cool / warm air mixing space 30.

In particular, when cool air and warm air flow in the blowing mode in which ventilation to the defroster opening 31 is performed, the second guide plate 56 prevents the cool air from flowing into the cool / warm air mixing space 30 and Warm air is made to reach the area near the defroster opening 31 in the air mixing space 30. The blowing modes in which air is blown to the defroster opening 31 are the foot mode shown in FIG. 13, the foot defroster mode shown in FIG. 14, and the defroster mode shown in FIG.

In the foot mode, the foot defroster mode, and the defroster mode, the second guide plate 56 prevents the cool air from flowing into the cool / warm air mixing space 30. At the same time, the second guide plate 56 causes the hot air to reach the region near the defroster opening 31 in the cold / hot air mixing space 30. Therefore, in the foot mode, the foot defroster mode, and the defroster mode, a relatively high temperature wind is supplied to the defroster opening 31.

In the above description of the operation, the opening / closing states of the defroster opening 31, the center face opening 33, and the foot opening 35 in each blowing mode have been described. As described above, the side face opening 33A is a normally open opening. In the face blowing mode in which the blowing mode door 50 opens the center face opening 33, the side face opening 33A is also fully opened. For example, as shown in FIG. 16, the side face opening 33 A communicates not only with the second air guide passage 302 but also with the first air guide passage 301.

As shown in FIG. 16, when the face blowing mode is set, both the center face opening 33 and the side face opening 33A are fully opened. Thereby, in the face blowing mode, the balance between the amount of air blown from the center face air outlet and the amount of air blown from the side face air outlet becomes good.

On the other hand, when the blowing mode door 50 is in the blowing mode in which the center face opening 33 is closed, the opening degree of the side face opening 33A is reduced. For example, as shown in FIG. 17, when the defroster blowing mode is set, a part of the side face opening 33 A is closed and the opening degree is reduced, and the side face opening 33 A is connected to the second air guide passage 302. Communicate only with.

FIG. 17 illustrates the defroster blowing mode, when the blowing mode in which the center face opening 33 is closed is set, the side face opening 33A is in a half-open state in which the opening degree is reduced. Thereby, in the blowing mode in which the center face opening 33 is closed, the amount of blowing air from the side face outlet is suppressed, and the amount of conditioned air flowing into the other opening is secured. As is clear from FIGS. 16 and 17, for example, the defroster opening 31 and the foot opening are widened in the vehicle width direction to the width of the door plate 51, that is, the length of the door plate 51 in the rotation axis direction. Is possible.

Regardless of which blowing mode is set, the conditioned air flowing through the second air guide passage 302 and guided to the side face opening 33A does not cause a large pressure loss. For example, in the example shown in FIG. 16 and FIG. 17, the conditioned air that has flowed from the back side of the drawing to the front side through the second air guide passage 302 having relatively low ventilation resistance flows into the side face opening 33A. Accordingly, as shown in FIG. 17, it is easy to secure the side face blowing air volume even if the opening degree of the side face opening 33A is reduced.

Thus, the air conditioning unit 20 includes an air passage switching device that switches a flow state of the air flowing through the air passage in the air conditioning case 21 in accordance with the rotational positions of the air mix door 40 and the blowout mode door 50. That is, the air conditioning unit 20 includes an air passage switching device that switches a flow state of the air flowing through the air passage in the air conditioning case 21 according to the rotational positions of the door plate portion 41 and the door plate portion 51.

According to the vehicle air conditioner of the present embodiment, the following effects can be obtained.

The air conditioner of this embodiment includes an air conditioning case 21 in which a passage of conditioned air that blows out into the passenger compartment is formed inside. A side face opening 33A connected to a side face outlet that is provided in the air conditioning case 21 and is capable of blowing conditioned air from the left and right ends of the passenger compartment toward the occupant head side and the vehicle side window glass side. I have. In addition, the air conditioning case 21 includes an opening other than the side face opening 33A that is connected to an air outlet other than the side face air outlet that blows air conditioned air toward the vehicle interior. Other openings other than the side face opening 33 A are a defroster opening 31, a center face opening 33, and a foot opening 35.

In addition, a blowout mode door 50 for setting a blowout mode of the conditioned air into the passenger compartment is provided. The blow-out mode door 50 has a rotating shaft portion 52 that is pivotally supported by the air conditioning case, a door plate portion 51 that is formed in a circular arc shape at a position away from the rotating shaft line of the rotating shaft portion 52, and the rotating shaft line extends. It has a pair of side plate part 53 which connects the both ends of the door board part 51 and the rotating shaft part 52 in a rotating shaft direction. The blowout mode door 50 opens and closes the other openings described above in the door plate 51 in accordance with the rotation position of the door plate 51, and sets the blowout mode of the conditioned air from the other openings to the vehicle interior. .

A first air guide passage 301 that guides the conditioned air to the other opening is formed between the pair of side plate portions 53, and the side plate portion 53 is provided between each of the pair of side plate portions 53 and the air conditioning case 21. A second air guide passage 302 that guides the conditioned air along the side face opening 33A is formed.

According to this, the second air guide passage 302 that guides the conditioned air to the side face opening 33A is a straight passage along the side plate portion 53 of the blowing mode door 50, for example, as indicated by an arrow in FIG. Can do. Therefore, it is possible to reduce the ventilation resistance of the second air guide passage 302 that guides the conditioned air to the side face opening 33A. In FIG. 18, a guide member for guiding the conditioned air is not shown.

The comparative example shown in FIG. 19 is an air conditioning unit that does not have the second air guide passage 302 and that leaks conditioned air that is guided to the side face opening 33A through the opening 953 provided in the side plate 53 of the blowout mode door. is there. In this comparative example, the air guide passage for guiding the conditioned air to the side face opening 33A of the air conditioning case 921 is bent. Further, the air guide passage to the side face opening 33A is a relatively narrow passage. Therefore, in the illustrated comparative example, the ventilation resistance of the air guide passage to the side face opening 33A is relatively large, and the pressure loss of the conditioned air flowing toward the side face opening 33A tends to be large.

On the other hand, according to the present embodiment, the above problems can be solved. According to the air conditioner of the present embodiment, the second air guide passage 302 that linearly flows the conditioned air is formed by effectively using the space area on the side of the air conditioning case 21 side wall 9211 from the two-dot chain line shown in FIG. The above-mentioned problems can be solved. Further, since the second air guide passage 302 is provided between the side plate portion 53 and the air conditioning case 21, it is not necessary to provide a seal structure between the side plate portion 53 and the air conditioning case 21.

In addition, since the width of the air-conditioning case 21 in the left-right direction of the vehicle can be made substantially the same in the vertical direction, the conditioned It is possible to reduce the pressure loss.

In the air conditioner according to the present embodiment, the conditioned air is passed between the pair of side plate portions 53 and the air conditioning case 21 along the side plate portion 53 without passing through the first air guide passage 301. A second air guide passage 302 is formed to guide the air.

According to this, the second air guide passage 302 can be a straight passage along the side plate portion 53 that guides the conditioned air to the side face opening 33A without going through the first air guide passage 301. Therefore, it is possible to reduce the ventilation resistance of the second air guide passage 302 that guides the conditioned air to the side face opening 33A.

Further, the pair of side plate portions 53 and the first air guide passage 301 and the second air guide passage so as to prevent inflow of conditioned air from the first air guide passage 301 to the second air guide passage 302 via the side plate portion 53. It is arranged between the passage 302. Further, the pair of side plate portions 53 and the first air guide passage 301 and the second air guide passage so as to prevent inflow of conditioned air from the second air guide passage 302 to the first air guide passage 301 via the side plate portion 53. It is arranged between the passage 302.

In other words, the pair of side plate portions 53 is connected to the first air guide passage 301 so that the conditioned air does not flow from the first air guide passage 301 to the second air guide passage 302 via the arrangement portion of the side plate portion 53. It is arranged between the second air guide passage 302. In addition, the pair of side plate portions 53 and the second air guide passage 301 and the second air guide passage 301 are configured to prevent the conditioned air from flowing from the second air guide passage 302 into the first air guide passage 301 via the arrangement portion of the side plate portion 53. It is arranged between the air guide passage 302.

According to this, the side plate portion 53 suppresses the movement of the conditioned air between the first air guide passage 301 between the pair of side plate portions 53 and the second air guide passage 302 outside the side plate portion 53. can do. Therefore, the conditioned air flow flowing through the first air guide passage 301 and the conditioned air flow flowing through the second air guide passage 302 are not easily disturbed. Moreover, since no opening is provided in the pair of side plate portions 53, the configuration can be simplified.

Further, the vehicle air conditioner of the present embodiment includes a heater core 23 that is provided in the air conditioning case 21 and is a heat exchanger for heating that heats air passing therethrough, and an air mix door 40. The air mix door 40 has a door plate portion 41 that is an air mix door plate portion provided on the upstream side of the air-conditioned air flow in the air conditioning case 21 with respect to the door plate portion 51 that is a mode door plate portion. And according to the movement position of the door board part 41, the mixing ratio of the warm air which passes the heater core 23, and the cool air which bypasses the heater core 23 is adjusted, and the temperature of an air conditioning wind is adjusted. In the rotation axis direction in which the rotation axis extends, the length of the door plate portion 41 is larger than the length of the door plate portion 51, and both end portions 411 of the door plate portion 41 are positioned outward from the pair of side plate portions 53. ing.

According to this, the door plate portion 41 of the air mix door 40 protrudes outward from the pair of side plate portions 53 of the blowing mode door 50 in the rotation axis direction. Therefore, the temperature of the conditioned air flowing through the first air guide passage 301 and the temperature of the conditioned air flowing through the second air guide passage 302 can be adjusted to substantially the same temperature according to the movement position of the door plate portion 41. it can.

The air mix door 40 is formed in a circular arc shape at a position where the door plate portion 41 is separated from the rotation axis by a predetermined amount, and the rotation axis of the blowing mode door 50 and the rotation axis of the air mix door 40 are coaxial. Is arranged.

According to this, both the blowing mode door 50 and the air mix door 40 are rotary doors, and both rotary doors can be arranged coaxially. Therefore, the operation area of the blowing mode door 50 and the air mix door 40 can be made relatively compact.

The preferred embodiments of the present disclosure have been described above. However, the present disclosure is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present disclosure. The structure of the said embodiment is an illustration to the last, Comprising: The range of this indication is not limited to the range of these description.

In the above embodiment, the air mix door 40 is a rotary door having the rotating shaft portion 42 and the side plate portion 43, but is not limited thereto. For example, the air mix door plate portion may be a circular plate-like door plate portion separated from the rotation axis by a predetermined amount, and the door plate portion may be a rotary slide door that slides in an arc shape around the rotation axis. If such an air mix door is adopted and the rotation axis of the air mix door is arranged coaxially with the rotation axis of the blow-out mode door, the rotational operation area of both doors can be made relatively compact as in the above embodiment. can do.

Also, other types of doors can be used as the air mix door. For example, a so-called cantilever door may be used in which a door plate portion extends from the rotary shaft portion to one of the radial directions of the rotary shaft portion. A flat sliding door may be used.

In the above embodiment, the air mix door 40 is provided. However, the air mix door may not be provided. For example, the present disclosure can be effectively applied to a so-called reheat type air conditioner in which the entire amount of conditioned air is passed through the heater core and the temperature of the conditioned air is adjusted by adjusting the flow rate of the heat medium to the heater core. is there.

Moreover, in the said embodiment, without providing opening in the side plate part 53 of the blowing mode door 50, the 1st wind guide path 301 and the 2nd which were formed in each side of the both surfaces of the side plate part 53 by the side plate part 53 are demonstrated. Although the air guide passage 302 is partitioned, the present invention is not limited to this. The side plate portion 53 may have a small opening that can prevent movement of the conditioned air between the first air guide passage 301 and the second air guide passage 302.

Further, an opening may be provided in the side plate portion 53 to allow the movement of the conditioned air between the first air guide passage 301 and the second air guide passage 302 through the opening.

For example, as shown in FIG. 20, the side plate portion 53 may have an opening 53 a that connects the first air guide passage 301 and the second air guide passage 302. The opening shape of the opening 53a is, for example, a circular shape. The shape of the opening 53a is not limited to a circular shape. The shape of the opening may be, for example, an oval shape. The shape of the opening may be a rectangular shape, for example.

As shown in FIG. 20, a plurality of openings 53 a may be formed in the side plate portion 53. The side plate portion 53 may have one opening instead of a plurality. One or a plurality of openings for communicating the first air guide passage 301 and the second air guide passage 302 can be provided in each of the pair of side plate portions 53. One or a plurality of openings for communicating the first air guide passage 301 and the second air guide passage 302 can be provided only on one side of the pair of side plate portions 53. Further, the size and position of the opening in the side plate portion 53 are not limited to the size and position illustrated in FIG.

In the vehicle air conditioner of this embodiment, the side plate portion 53 has an opening 53a that allows the first air guide passage 301 and the second air guide passage 302 to communicate with each other. According to this, it is possible to suppress the occurrence of a pressure difference between the first air guide passage 301 and the second air guide passage 302. Further, it is possible to contribute to weight reduction of the side plate portion 53.

Further, for example, the side plate portion 53 may have a notch. For example, the side plate portion 53 may have a notch that is notched so as to be recessed from the outer peripheral edge toward the rotation axis. That is, the side plate portion 53 may have a recessed structure formed so as to be recessed from the outer peripheral edge portion toward the rotation axis direction. The notch in the side plate portion 53 can suppress the movement of the conditioned air between the first air guide passage 301 and the second air guide passage 302. The notch in the side plate portion 53 may allow the movement of the conditioned air between the first air guide passage 301 and the second air guide passage 302 through the notch.

The side plate portion 53 may have a plurality of cutouts or one cutout. One or more notches that connect the first air guide passage 301 and the second air guide passage 302 can be provided in each of the pair of side plate portions 53. One or a plurality of notches connecting the first air guide passage 301 and the second air guide passage 302 can be provided only on one side of the pair of side plate portions 53.

Moreover, although the said embodiment demonstrated the so-called semi center type air conditioner which has arrange | positioned the air-conditioning unit 20 in the center part of the vehicle width direction, and arrange | positioned the air blower unit offset from the center part, it is not limited to this. Absent. For example, it may be a so-called full center type air conditioner in which both the blower unit and the air conditioning unit are arranged at the center in the vehicle width direction.

Although the present disclosure has been described based on the embodiments, it is understood that the present disclosure is not limited to the embodiments and structures. The present disclosure includes various modifications and modifications within the equivalent range. In addition, various combinations and forms, as well as other combinations and forms including only one element, more or less, are within the scope and spirit of the present disclosure.

Claims

An air-conditioning case (21) having a passage of air-conditioned air blown into the vehicle interior;
Side face opening (33A) provided in the air conditioning case and connected to a side face outlet from which the conditioned air can be blown out from the left and right ends of the passenger compartment toward the occupant head side and the vehicle side window glass When,
Other openings (31, 33, 35) provided in the air conditioning case and connected to an air outlet other than the side face air outlet that blows out the conditioned air toward the vehicle interior;
A rotary shaft (52) pivotally supported by the air conditioning case, a door plate portion (51) having an arcuate surface at a position away from the rotational axis of the rotary shaft, and a rotational axis direction in which the rotational axis extends A pair of side plate portions (53) for connecting both end portions of the door plate portion and the rotary shaft portion, and the other opening portion in the door plate portion according to a rotation position of the door plate portion. A blow mode door (50) that opens and closes and sets a blow mode of the conditioned air from the other opening to the vehicle interior;
A first air guide passage (301) provided between the pair of side plate portions for guiding the conditioned air to the other opening;
A second air guide passage (302) provided between each of the pair of side plate portions and the air conditioning case, for guiding the conditioned air to the side face opening along the side plate portion. Air conditioner for vehicles.
An air-conditioning case (21) having a passage of air-conditioned air blown into the vehicle interior;
Side face opening (33A) provided in the air conditioning case and connected to a side face outlet from which the conditioned air can be blown out from the left and right ends of the passenger compartment toward the occupant head side and the vehicle side window glass When,
Other openings (31, 33, 35) provided in the air conditioning case and connected to an air outlet other than the side face air outlet that blows out the conditioned air toward the vehicle interior;
A rotary shaft (52) pivotally supported by the air conditioning case, a door plate portion (51) having an arcuate surface at a position away from the rotational axis of the rotary shaft, and a rotational axis direction in which the rotational axis extends A pair of side plate portions (53) for connecting both end portions of the door plate portion and the rotary shaft portion, and the other opening portion in the door plate portion according to a rotation position of the door plate portion. A blow mode door (50) that opens and closes and sets a blow mode of the conditioned air from the other opening to the vehicle interior;
A first air guide passage (301) provided between the pair of side plate portions for guiding the conditioned air to the other opening;
A second air pipe is provided between each of the pair of side plate portions and the air conditioning case and guides the conditioned air to the side face opening portion along the side plate portion without passing through the first air guide passage. A vehicle air conditioner comprising an air guide passage (302).
The pair of side plate portions flows in the conditioned air from the first air guide passage through the side plate portion to the second air guide passage, and the first air guide passage from the second air guide passage through the side plate portion. The vehicle air conditioner according to claim 1 or 2, wherein the air conditioner is disposed between the first air guide passage and the second air guide passage so as to prevent the air-conditioning air from flowing into the air guide passage. apparatus.
The vehicle air conditioner according to claim 1 or 2, wherein the side plate portion has an opening (53a) that communicates the first air guide passage and the second air guide passage.
The door plate portion of the blowing mode door is a mode door plate portion,
A heat exchanger (23) for heating that is provided in the air conditioning case and heats air passing therethrough;
In the air-conditioning case, the air-mix door plate (41) is provided on the upstream side of the air-conditioning wind flow with respect to the mode door plate, and according to the movement position of the air-mix door plate, An air mix door (40) for adjusting the temperature of the conditioned air by adjusting the mixing ratio of the hot air passing through the heat exchanger and the cold air bypassing the heating heat exchanger;
In the rotation axis direction, the length of the air mix door plate portion is larger than the length of the mode door plate portion, and both end portions (411) of the air mix door plate portion are respectively outside the pair of side plate portions. The vehicle air conditioner according to any one of claims 1 to 4, wherein the vehicle air conditioner is located in a direction.
The air mix door has a circular arc shape at a position where the air mix door plate part is separated from the rotation axis of the air mix door,
The vehicle air conditioner according to claim 5, wherein the rotation axis of the blow-out mode door and the rotation axis of the air mix door are arranged coaxially.