WO2016006220A1 - 空気通路切替装置 - Google Patents

空気通路切替装置 Download PDF

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Publication number
WO2016006220A1
WO2016006220A1 PCT/JP2015/003379 JP2015003379W WO2016006220A1 WO 2016006220 A1 WO2016006220 A1 WO 2016006220A1 JP 2015003379 W JP2015003379 W JP 2015003379W WO 2016006220 A1 WO2016006220 A1 WO 2016006220A1
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WO
WIPO (PCT)
Prior art keywords
door
air
plate portion
pair
side wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2015/003379
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English (en)
French (fr)
Japanese (ja)
Inventor
知久 江坂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to CN201580037148.5A priority Critical patent/CN106660427B/zh
Publication of WO2016006220A1 publication Critical patent/WO2016006220A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
    • B60H1/08—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant from other radiator than main radiator
    • B60H1/10—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant from other radiator than main radiator the other radiator being situated in a duct capable of being connected to atmosphere outside vehicle
    • B60H1/12—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant from other radiator than main radiator the other radiator being situated in a duct capable of being connected to atmosphere outside vehicle using an air blower

Definitions

  • the present disclosure relates to an air passage switching device that switches an air flow that flows through an air passage in a case using a rotary door.
  • the rotary door connects a pair of rotating shaft portions projecting at both ends in the axial direction of the rotary door, and both end portions in the axial direction of the arcuate door plate portion by a pair of side wall portions.
  • a rotary door one in which a door plate portion, a side wall portion, and a rotating shaft portion are integrally formed is known (for example, see Patent Document 1 below).
  • the weight of the rotary door tends to be relatively large. Since the rotary door is integrally formed with a door plate portion, a side wall portion, and the like, it is preferable that the thickness of each portion is substantially uniform. If a part of the portion is made thin for weight reduction, distortion occurs due to heat shrinkage at the time of molding, and it is easy to deform. Therefore, the rotary door in which the door plate portion, the side wall portion and the like are integrally formed has a predetermined shape stably with the thickness of each portion being substantially the same. Thus, it is difficult to reduce the thickness of a part of the door, and thus it is difficult to reduce the weight of the rotary door.
  • the present disclosure has been made in view of the above points, and an object thereof is to provide an air passage switching device capable of reducing the weight of a rotary door.
  • the air passage switching device of the present disclosure includes a case and a rotary door.
  • the rotary door has a door plate portion and a pair of side walls.
  • the case forms an air passage inside.
  • the door plate portion is formed in a circular arc shape at a position away from the rotation axis by a predetermined amount.
  • the pair of side wall portions are provided on both ends of the door plate portion in the direction in which the rotation axis extends, and expands in a direction intersecting with the rotation axis.
  • the rotary door rotates about the rotation axis to switch the flow of the air passage according to the rotation position.
  • the rotary door is provided separately from the door plate portion and has a connecting portion that connects the pair of side wall portions to each other.
  • the pair of side wall portions and the connecting portion are integrally formed.
  • the door plate portion is formed separately from the pair of side wall portions, and is connected to the pair of side wall portions.
  • the door plate portion as a separate body and connect it to the pair of side wall portions with respect to the integral structure integrally formed of the pair of side wall portions and the connecting portion for interconnecting them. Therefore, it is possible to make the door plate part thinner than the side wall part. In this way, the rotary door can be reduced in weight.
  • 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 the structure and combination state of an air mix door and a blowing mode door.
  • 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 air conditioning unit 20 includes an air passage switching device to which the present disclosure is applied.
  • 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.
  • the air conditioning unit 20 is disposed at a substantially central portion in the left-right direction of the vehicle in the lower portion of the instrument panel in the passenger compartment.
  • the blower unit has 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 corresponds to a case in which an air passage is formed inside in the present embodiment.
  • 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.
  • 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 front-rear direction of the vehicle and a slight inclination in the longitudinal direction of the vehicle.
  • 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 arranged on the downstream side of the air flow of the evaporator 22 so as to be adjacent to the evaporator 22 with a predetermined interval.
  • the heater core 23 heats the cold air that has passed through the evaporator 22.
  • high-temperature engine cooling water flows through the heater core 23 and heats the air using the cooling water as a heat source.
  • the heater core 23 is thin in the front-rear direction of the vehicle and is inclined slightly in the air-conditioning case 21 so that the longitudinal direction is oriented in the vertical direction of the vehicle.
  • 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.
  • a cold air passage 25 is formed above the heater core 23.
  • the cold air passage 25 is a bypass passage through which the cold air flowing out of the evaporator 22 bypasses the heater core 23.
  • a warm air passage 28 extending upward from immediately after the heater core 23 is formed on the downstream side of the air flow of the heater core 23. Downstream of the cold air passage 25, an air mixing space (cold hot air mixing space) in which the cold air from the cold air passage 25 and the hot air from the hot air passage 28 are merged from the intersecting direction to mix the cold air and the hot air. 30 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.
  • a defroster opening 31 is opened at a front portion. Air whose temperature is controlled from the air mixing space 30 flows into the defroster opening 31.
  • the defroster opening 31 is connected to the defroster outlet through the defroster duct, and blows wind toward the inner surface of the window glass on the front surface of the vehicle.
  • a face opening 33 is opened at a position on the vehicle rear side of the defroster opening 31.
  • the air whose temperature is controlled from the air mixing space 30 also flows into the face opening 33.
  • the face opening 33 is connected to the face outlet through a face duct, and blows wind toward the passenger's head in the passenger compartment.
  • a foot opening 35 is opened in the rear surface portion of the air conditioning case 21.
  • the temperature-controlled air also flows into the foot opening 35 from the air mixing space 30.
  • the downstream side of the foot opening 35 is connected to a foot outlet through a foot duct, and blows wind toward the feet of the occupant.
  • the plurality of openings described above that is, the defroster opening 31, the face opening 33, and the foot opening 35 are opened and closed by the blowing mode door 50.
  • the blowing mode door 50 switches the blowing mode in which any one or more of the defroster opening 31, the face opening 33, and the foot opening 35 are opened according to the rotation stop position.
  • 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 includes a door plate portion 41, a rotating shaft portion 42, and a side plate portion 43 that are integrally shaped.
  • the door plate portion 41 is positioned so as to be separated from the rotation axis AA by a predetermined amount, and is formed in an arcuate surface shape.
  • the rotation shaft portion 42 has a pair of substantially cylindrical shapes arranged on the rotation axis AA.
  • 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 air mix door 40 has a pair of rotation shaft portions 42 on both end sides of the door plate portion 41 in the axial direction in which the rotation axis AA extends, and the side plate portion 43 includes both end portions of the door plate portion 41 in the rotation axis direction.
  • a pair of rotating shaft portions 42 are connected.
  • Each rotation shaft portion 42 extends so that the distal end portion protrudes outward with the base end portion being substantially the same position as the end portion of the door plate portion 41 in the rotation axis direction.
  • the part is connected to the side plate part 43.
  • the blowing mode door 50 is also made of, for example, a resin material.
  • the blowing mode door 50 includes a door plate portion 51, a door base portion 58, and a seal member 59.
  • the door base portion 58 includes a rotation shaft portion 52, a side plate portion 53, a partition plate 54, a guide plate 55, and a guide plate 56.
  • the rotating shaft portion 52, the side plate portion 53, the partition plate 54, the guide plate 55, and the guide plate 56 are integrally formed.
  • 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 positioned so as to be separated from the rotation axis AA by a predetermined amount, and is formed in a circular arc shape.
  • 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 pair of side plate portions 53 are provided on both end sides of the door plate portion 51 in the rotation axis direction.
  • 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 corresponds to the rotary door in the present embodiment that rotates about the rotation axis AA.
  • the pair of side plate portions 53 corresponds to a pair of side wall portions in the present embodiment.
  • the door plate portion 51 is molded separately from the door base portion 58. That is, the door plate portion 51 is formed separately from the side plate portion 53.
  • 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
  • the 1st door board part 51a and the 2nd door board part 51b are arrange
  • claw-like locking portions 513 are provided at both ends in the rotation axis direction of the first door plate portion 51a and the second door plate portion 51b. 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. As shown in FIG. 6, the locking portion 513 and the locking portion 533 are locked to each other, whereby the door plate portion 51 is connected to the pair of side plate portions 53.
  • 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.
  • 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.
  • an opening 512 is formed in the first door plate portion 51a.
  • the opening 512 is provided so as to always allow air blowing to the side face opening of the air conditioning case 21.
  • An opening 592 is formed in the seal member 59a at a position corresponding to the opening 512 of the first door plate portion 51a.
  • the seal member 59 is disposed on the outer peripheral surface of the door plate portion 51 by sticking, for 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.
  • 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.
  • 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.
  • four partition plates 54 are provided in parallel with the side plate portion 53, and a space serving as an air passage between the pair of side plate portions 53 is partitioned into five in the rotation axis direction.
  • the two partition plates 54 located at the center in the rotational axis direction among the four partition plates 54 are connected to each other by two guide plates 55. Further, the side plate portion 53 and the partition plate 54 located on the outermost side in the rotation axis direction among the four partition plates 54 are also connected by two guide plates 55.
  • the guide plate 55 is extended in the rotation axis direction. As shown in FIG. 3, one guide plate 55 of the two guide plates 55 is formed in a flat plate shape. The other guide plate 55 is formed in a cup shape with a cross-sectional shape having a protrusion at the bottom.
  • the guide plate 55 is provided in order to promote mixing of cold air and hot air in the air passage provided with the guide plate 55 among the air passages partitioned by the partition plate 54.
  • the guide plate 55 guides cold air and hot air so as to gather in the center of the air mixing space 30 in order to promote mixing in the air mixing space 30.
  • the guide plate 55 may be simply called a guide.
  • the first door plate portion 51a is integrally provided with a guide plate 511 protruding inward at a position corresponding to the air passage in which the guide plate 55 is disposed. .
  • the guide plate 511 together with the guide plate 55, promotes mixing of cold air and hot air in the air mixing space 30.
  • the partition plate 54 located on the outermost side in the rotation axis direction and the partition plate 54 adjacent thereto are two guide plates 56. Are connected to each other.
  • the guide plate 56 extends in the rotation axis direction. As shown in FIG. 4, each of the two guide plates 56 is formed in a slightly curved plate shape. Of the air passages partitioned by the partition plate 54, the guide plate 56 prevents the cold air from being mixed with the warm air in the air passage provided with the guide plate 56, so that the warm air is brought into a predetermined region of the air mixing space 30. It is provided to help you get there.
  • the 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 guide plate 56 guides the hot air blown from the hot air outlet of the hot air passage 28 so as to reach a region of the air mixing space 30 opposite to the hot air outlet side of the hot air passage 28.
  • the guide plate 56 may be called a baffle.
  • the partition plate 54, the guide plate 55, and the guide plate 56 are integrally formed 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 guide plates 55 and guide plates 56 provided in each air passage.
  • the partition plate 54, the guide plate 55, and the guide plate 56 correspond to a connecting portion that connects the pair of side wall portions to each other in the present embodiment.
  • the partition plate 54, the guide plate 55, and the guide plate 56 correspond to guide members that guide the air flowing between the pair of side wall portions in the present embodiment.
  • the door base 58 includes the guide plate 55 and the 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.
  • the door base 58 having the partition plate 54, the guide plate 55, and the guide plate 56 can be easily molded by a molding die that molds the opposing surfaces of the pair of side plate portions 53.
  • the mold matching surface of the mold of the door base 58 is set at a position indicated by a two-dot chain line. According to this, it is possible to punch the door base 58 in the mold opening direction from the mold having the direction indicated by the double-sided arrow in FIG. 7 as the mold opening direction.
  • the mold matching surface of the mold of the door base 58 is set at a position indicated by a two-dot chain line. According to this, the door base 58 can be punched in the mold opening direction from the mold having the direction indicated by the double-sided arrow in FIG. 8 as the mold opening direction.
  • 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 wall portions 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 guide plate 55, and the 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.
  • 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.
  • 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 rotation shaft portions 52 on both ends of the door plate portion 51 in the rotation axis direction, and the side plate portion 53 includes both ends of the door plate portion 51 in the rotation axis direction and a pair of rotation shafts.
  • the part 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. In other words, the rotation shaft portion 52 protrudes from the side plate portion 53 in the rotation axis direction (see FIG. 2).
  • 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 axis line of the rotation shaft portion 42 and the axis line of the rotation shaft portion 52 substantially coincide with each other. . Further, the separation distance from the rotation axis of the door plate portion 41 of the air mix door 40 is set to be 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 axis of the rotation shaft portion 42 of the door plate portion 41 of the air mix door 40 is set to be larger than the separation distance from the axis of the rotation shaft portion 52 of the door plate portion 51 of the blowout mode door 50. I can say that.
  • 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.
  • 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 air blower unit 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.
  • the inflow air is divided by the air mix door 40 into air flowing through the cool air passage 25 and air 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 air mixing space 30.
  • Air in which cold air and warm air are mixed in the air mixing space 30 flows in the direction of the respective outlets on the downstream side and opens in accordance with the blowing mode formed by the blowing mode door 50. And then blown into the passenger compartment.
  • the air mix door 40 is in a position for setting a maximum cooling state in which the cold air passage 25 is fully opened and the hot air passage 28 is fully closed, and the blowing mode door 50 opens the face opening 33 and other openings.
  • the state which exists in the position which sets the face blowing mode which closes a part is shown.
  • the blowing mode of the air blown from the air mixing space 30 into the vehicle interior is the bi-level mode, the foot mode, the foot mode. It is changed in the order of defroster mode and defroster mode.
  • the bi-level mode shown in FIG. 9 is a mode in which the air volume is almost evenly distributed to the face opening 33 and the foot opening 35.
  • the foot mode shown in FIG. 10 is a mode in which most of the air blown into the passenger compartment flows to the foot opening 35 and a small portion flows to the defroster opening 31. In the foot mode shown in FIG. 10, air is sent to the defroster opening 31 through the opening 512 provided in the first door plate 51a.
  • the foot defroster mode shown in FIG. 11 is a mode that distributes the air volume to the defroster opening 31 and the foot opening 35 almost evenly.
  • the defroster mode shown in FIG. 12 is a mode in which almost the entire airflow is passed through the defroster opening 31.
  • the blowing mode door 50 can be rotated to the position shown in FIG.
  • FIG. 13 shows the state of the face mode.
  • FIG. 14 shows a state of the bilevel mode.
  • FIG. 15 shows the state of the foot mode.
  • FIG. 16 shows the state of the foot defroster mode.
  • FIG. 17 shows the state of the defroster mode.
  • the guide plate 56 In a state where the air mix door 40 can introduce the cold air and the hot air into the air mixing space 30, the guide plate 56 easily inhibits the cold air from the cold air passage 25 from flowing into the air mixing space 30. Further, the 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 air mixing space 30.
  • the guide plate 56 prevents the cool air from flowing into the air mixing space 30, and the air mixing space 30.
  • the warm air is made to reach a region near the defroster opening 31.
  • the blowing modes in which air is blown to the defroster opening 31 are the foot mode shown in FIG. 15, the foot defroster mode shown in FIG. 16, and the defroster mode shown in FIG.
  • the guide plate 56 prevents the inflow of the cool air into the air mixing space 30 and causes the hot air to reach the region near the defroster opening 31 in the 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.
  • 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.
  • the air conditioning unit 20 includes the air conditioning case 21 and the blowing mode door 50 that is a rotary door, and switches the flow of air in the air passage according to the rotational position of the blowing mode door 50.
  • An air passage switching device is provided.
  • the blowing mode door 50 includes a door plate portion 51 and a pair of side plate portions 53.
  • the door plate portion 51 is positioned so as to be separated from the rotation axis AA by a predetermined amount, and is formed in an arcuate surface shape.
  • the pair of side plate portions 53 are provided on both ends of the door plate portion 51 in the direction in which the rotation axis AA extends, and extends in a direction orthogonal to the rotation axis AA.
  • the blow-out mode door 50 is provided separately from the door plate portion 51 and includes a partition plate 54, a guide plate 55, and a guide plate 56 as a connecting portion that connects the pair of side plate portions 53 to each other. Further, the pair of side plate portions 53 and the connecting portion are integrally formed. Further, the door plate portion 51 is formed separately from the pair of side plate portions 53 and connected to the pair of side plate portions 53.
  • the door plate portion 51 is formed as a separate body with respect to the door base portion 58 that is an integral structure integrally formed with the pair of side plate portions 53 and the connecting portions that connect them to each other. 53 can be connected. Therefore, it is possible to make the door plate portion 51 thinner than the side plate portion 53. In this manner, the blowout mode door 50 can be reduced in weight.
  • the thickness of the door plate portion 51 is thinner than the thickness of the side plate portion 53.
  • the thickness of the main surface of the door plate portion 51 refers to the thickness of the main surface when the portion excluding the rib of the door plate portion 51 is the main surface.
  • the thickness of the main surface of the side plate portion 53 refers to the thickness of the main surface when the portion excluding the rib of the side plate portion 53 is the main surface.
  • the thickness of the main surface of the door plate portion 51 is set to be thinner than the thickness of the main surface of the side plate portion 53. According to this, by adopting the door plate portion 51 which is thinner than the side plate portion 53, the blowout mode door 50 can be reliably reduced in weight.
  • the molded product has a uniform thickness in order to suppress distortion due to a difference in heat shrinkage after molding.
  • the thickness of the door base 58 including the side plate portion 53 is 1.2 mm, which is an example of a standard thickness, and the rigidity as a rotating structure is ensured.
  • the thickness of the door plate portion 51 is 0.9 mm, which is an example of a thickness that is thinner than the standard thickness of the structure, and contributes to weight reduction of the blowout mode door 50.
  • the thickness of the side plate portion 53 can be set to 1.2 mm to 2.0 mm, for example.
  • the wall thickness of the door plate portion 51 can be set to 0.7 mm to 1.0 mm, for example.
  • the door plate portion 51 and the side plate portion 53 can be made of different materials.
  • the door plate portion 51 and the side plate portion 53 can employ the same resin polymer and can have different filler materials and filling amounts.
  • the connecting portion including the partition plate 54, the guide plate 55, and the guide plate 56 is a guide member that guides the air flowing between the pair of side plate portions 53.
  • the door plate portion 51 is formed as a separate body with respect to the door base portion 58 which is an integral structure integrally formed with the pair of side plate portions 53 and the guide members for connecting them together, and the pair of side plate portions. 53 can be connected. Therefore, by using the guide member as a connecting portion, it is not necessary to provide a connecting portion separately from the guide member. Thereby, the blowing mode door 50 can be further reduced in weight.
  • the guide member includes a partition plate 54, a guide plate 55, and a guide plate 56.
  • the partition plate 54 extends in a direction orthogonal to the rotation axis AA and partitions an air passage between the pair of side plate portions 53 into a plurality of passages.
  • the guide plate 55 and the guide plate 56 are extended in the direction of the rotation axis along which the rotation axis AA extends in each of the plurality of passages, and guide the air flowing through the plurality of passages.
  • the partition plate 54 and the plurality of guide plates 55 and 56 are integrally formed.
  • the guide member for connecting the pair of side plate portions 53 to each other can be formed in a grid shape including the partition plate 54 and the plurality of guide plates 55 and 56. Therefore, it is possible to easily increase the rigidity of the door base portion 58 that is an integral structure in which the pair of side plate portions 53 and the guide members that connect them are integrally formed.
  • the connecting portion composed of the partition plate 54, the guide plate 55, and the guide plate 56 is formed simultaneously with the pair of side plate portions 53 by a forming die for forming opposing surfaces of the pair of side plate portions 53.
  • the mold can be removed from the mold that opens in the direction orthogonal to the rotation axis AA in the direction of mold opening.
  • the door base 58 that is an integral structure in which the pair of side plate portions 53 and the guide members that connect them to each other are integrally molded can be easily molded by the molding die.
  • the blowout mode door 50 is provided on the outer peripheral surface of the door plate portion 51 and includes a seal member 59 that seals between the door plate portion 51 and the air conditioning case 21. According to this, it is possible to provide the seal member 59 on the door plate portion 51 before being connected to the door base portion 58 which is an integral structure in which the pair of side plate portions 53 and the connecting portions for connecting them together are integrally formed. It is. Since the door plate portion 51 is a relatively simple plate portion formed in an arcuate surface shape, it is easy to attach the seal member 59 to the outer peripheral surface of the door plate portion 51.
  • the work for sticking the seal member 59 to the arc surface protruding to the outer peripheral side of the door plate portion 51 is performed, so it is relatively easy to reduce the work man-hours. It is.
  • the arc plate-like member is merely disposed in the mold, so that the work man-hour is reduced. Easy.
  • the door plate portion 51 has a relatively simple shape that is molded separately from the door base portion 58, it is relatively easy to change the shape corresponding to the difference in specifications of the air conditioning unit 20 and the like. For example, when a door plate portion having a position of the opening 512 different from that of the door plate portion 51 is required, it can be easily obtained by molding using the same mold in which only the nested portion corresponding to the opening is replaced. Can do.
  • the connecting portion including the partition plate 54, the guide plate 55, and the guide plate 56 can be removed from the mold in the direction of mold opening. Therefore, it is relatively easy to change the shape corresponding to the difference in specifications of the air conditioning unit 20.
  • the door base 58 can be easily obtained even when a guide plate having a slightly different length in the wind guide direction or a guide plate having a slightly different position is required.
  • the blowout mode door 50 has the rotation shaft portion 52 disposed on the rotation axis AA so as to protrude from the side plate portion 53.
  • the rotation shaft portion 52 may have a structure that can rotate around the rotation axis AA, for example, without having a protruding shape.
  • the side wall portion is the plate-like side plate portion 53.
  • the side plate portion 53 only needs to be a wall portion that connects the door plate portion 51 and the portion serving as the rotation shaft.
  • the side wall portion may have an opening or a rib.
  • the side plate portion 53 that is the side wall portion extends in a direction orthogonal to the rotation axis AA.
  • the side plate portion 53 only needs to expand in the direction intersecting the rotation axis.
  • the partition plate 54 extends in a direction orthogonal to the rotation axis AA.
  • the partition plate 54 only needs to expand in the direction intersecting the rotation axis.
  • two guide plates 55 or two guide plates 56 are provided in each air passage partitioned by the partition plate 54.
  • three or more guide plates may be provided for one partitioned air passage to connect the partition plates or the partition plate and the side wall portion.
  • one guide plate may be sufficient with respect to one divided air path.
  • the connecting portion that connects the pair of side wall portions is a guide member including the partition plate 54, the guide plate 55, and the guide plate 56.
  • a rotation shaft portion extending in the rotation axis direction may be used as the connection portion.
  • the air conditioning unit 20 is provided with the evaporator 22 and the heater core 23 as a heat exchanger.
  • an air conditioning unit that does not include the evaporator 22 may be used.
  • an auxiliary heater made of an electric heater may be provided on the downstream side of the air flow of the heater core 23.
  • the rotary door of the air passage switching device to which the present disclosure is applied is the blowing mode door 50.
  • the rotary door of the air passage switching device may be, for example, an air mix door.
  • the air path switching device which switches the air flow of an air path according to the rotation position of the door board part of a rotary door is applied to the vehicle air conditioner.
  • the present disclosure is effective by being widely applied to, for example, an air passage switching device used in a stationary air conditioner.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air-Conditioning For Vehicles (AREA)
PCT/JP2015/003379 2014-07-09 2015-07-06 空気通路切替装置 Ceased WO2016006220A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201580037148.5A CN106660427B (zh) 2014-07-09 2015-07-06 空气通路切换装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014141681A JP6303881B2 (ja) 2014-07-09 2014-07-09 空気通路切替装置
JP2014-141681 2014-07-09

Publications (1)

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WO2016006220A1 true WO2016006220A1 (ja) 2016-01-14

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CN (1) CN106660427B (enExample)
WO (1) WO2016006220A1 (enExample)

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
JP6421776B2 (ja) * 2016-03-18 2018-11-14 株式会社デンソー 車両用空調装置
CN109719501A (zh) * 2018-12-24 2019-05-07 北京罗思韦尔汽车零部件有限公司 空调箱生产制造工艺
JP7559789B2 (ja) 2022-03-09 2024-10-02 株式会社デンソー ロータリドアおよび空調装置

Citations (7)

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Publication number Priority date Publication date Assignee Title
GB2168786A (en) * 1984-12-20 1986-06-25 Austin Rover Group An air distribution valve for an air heater
DE19817896A1 (de) * 1997-04-30 1998-11-05 Valeo Climatisation Luftverteilungsvorrichtung mit mehreren Klappen für Kraftfahrzeuge
FR2788019A1 (fr) * 1998-12-30 2000-07-07 Valeo Climatisation Dispositif de distribution d'air pour le chauffage et/ou la climatisation d'un vehicule automobile
US20060254295A1 (en) * 2003-01-11 2006-11-16 Halla Climate Control Corporation Air conditioning system for automobiles
JP2008296596A (ja) * 2007-05-29 2008-12-11 Valeo Thermal Systems Japan Corp 空調ユニット並びにこれに用いられる空調ドア及び空調ドアの構成部品
DE102010062413A1 (de) * 2010-12-03 2012-06-06 Visteon Global Technologies, Inc. Klimatisierungssystem für ein Kraftfahrzeug
JP2014061790A (ja) * 2012-09-21 2014-04-10 Denso Corp 車両用空調装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006096092A (ja) * 2004-09-28 2006-04-13 Denso Corp 空気通路切替装置
JP5626178B2 (ja) * 2011-10-14 2014-11-19 株式会社デンソー 空調装置用開閉ドア
CN203258816U (zh) * 2013-02-17 2013-10-30 株式会社电装 车辆用空调装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168786A (en) * 1984-12-20 1986-06-25 Austin Rover Group An air distribution valve for an air heater
DE19817896A1 (de) * 1997-04-30 1998-11-05 Valeo Climatisation Luftverteilungsvorrichtung mit mehreren Klappen für Kraftfahrzeuge
FR2788019A1 (fr) * 1998-12-30 2000-07-07 Valeo Climatisation Dispositif de distribution d'air pour le chauffage et/ou la climatisation d'un vehicule automobile
US20060254295A1 (en) * 2003-01-11 2006-11-16 Halla Climate Control Corporation Air conditioning system for automobiles
JP2008296596A (ja) * 2007-05-29 2008-12-11 Valeo Thermal Systems Japan Corp 空調ユニット並びにこれに用いられる空調ドア及び空調ドアの構成部品
DE102010062413A1 (de) * 2010-12-03 2012-06-06 Visteon Global Technologies, Inc. Klimatisierungssystem für ein Kraftfahrzeug
JP2014061790A (ja) * 2012-09-21 2014-04-10 Denso Corp 車両用空調装置

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JP2016016791A (ja) 2016-02-01
CN106660427A (zh) 2017-05-10
CN106660427B (zh) 2019-06-25
JP6303881B2 (ja) 2018-04-04

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