WO2014097605A1 - Blowing device for vehicle - Google Patents
Blowing device for vehicle Download PDFInfo
- Publication number
- WO2014097605A1 WO2014097605A1 PCT/JP2013/007380 JP2013007380W WO2014097605A1 WO 2014097605 A1 WO2014097605 A1 WO 2014097605A1 JP 2013007380 W JP2013007380 W JP 2013007380W WO 2014097605 A1 WO2014097605 A1 WO 2014097605A1
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- WO
- WIPO (PCT)
- Prior art keywords
- air
- blower
- vehicle interior
- vehicle
- outlet
- Prior art date
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Classifications
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- 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
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
- B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
- B60H1/245—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the roof
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- 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
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00207—Combined heating, ventilating, or cooling devices characterised by the position of the HVAC devices with respect to the passenger compartment
- B60H2001/00235—Devices in the roof area of the passenger compartment
Definitions
- the present disclosure relates to a blower installed on a ceiling in a vehicle interior.
- Patent Document 1 describes a ceiling-installed vehicle air blower installed on a ceiling in a vehicle interior.
- a case is provided on the ceiling of a vehicle interior, and a cross flow fan is disposed in the case.
- the cross flow fan is disposed in the case so as to extend in the vehicle interior width direction.
- the case is formed with a suction port for sucking air in the vehicle interior and an outlet for blowing air into the vehicle interior.
- the suction port is formed in the case so as to open toward the vehicle interior front side
- the air outlet is formed in the case so as to open toward the vehicle interior rear side.
- the air blower since the air blower is installed on the ceiling of the vehicle interior, the effective space in the vehicle interior is reduced correspondingly, and the occupant comfort is deteriorated. Moreover, not only does it become difficult for the occupant to move in the passenger compartment, but the head of the occupant may hit the blower and the blower may be damaged.
- the present disclosure aims to provide a vehicle blower device that can improve the comfortability of an occupant while suppressing a decrease in air volume.
- the vehicle blower includes a blower unit and a blower duct.
- the blower unit has a blower that blows air and a case that houses the blower.
- the blower duct is formed with an outlet for blowing out air blown from the blower into the vehicle interior space.
- the blower unit is disposed on the ceiling of the vehicle interior so as to avoid a position where it is assumed that there is a head of an occupant seated in the seat when viewed from the vertical direction of the vehicle interior.
- the air duct is arranged on the ceiling so as to extend in the vehicle interior width direction.
- a blower outlet is formed in a ventilation duct so that it may extend in a vehicle interior width direction. The air blown out from the air outlet draws air outside the air duct and blows it into the vehicle interior space.
- the air blowing unit is arranged avoiding the position where it is assumed that the head of the passenger seated on the seat is present in the vertical direction of the passenger compartment, the comfortability of the passenger can be improved.
- the air blown out from the air outlet extending in the width direction of the vehicle interior draws air around the air outlet and blows it into the vehicle interior space
- the air volume in the vehicle interior is larger than that of the air blown out from the air outlet. The air can be blown into the space.
- FIG. 4 is a sectional view taken along line IV-IV in FIG. 3.
- FIG. 5 is a VV cross-sectional view of FIG. 3. It is the schematic diagram which looked at the vehicle interior of the vehicle in 2nd Embodiment from the vehicle interior upper side. It is the schematic diagram which looked at the vehicle interior of the vehicle in 3rd Embodiment from the vehicle interior upper side.
- FIG. 10 is a sectional view taken along line XX in FIG. 9. It is a perspective view which shows typically the fan of the air blower in 4th Embodiment. It is principal part sectional drawing of the air blower for vehicles in 5th Embodiment. It is the schematic diagram which looked at the principal part of the air blower for vehicles in a 6th embodiment from the vehicle interior lower side.
- FIG. 1 front, rear, up, down, left and right arrows indicate the respective directions of the vehicle (vehicle interior).
- the vehicle 1 to which the vehicle blower 10 in the present embodiment is applied includes three rows of seats in the longitudinal direction of the vehicle interior.
- the vehicle blower 10 includes a blower unit 11 and a blower duct 12.
- the blower unit 11 and the blower duct 12 are disposed on the ceiling 2 in the passenger compartment.
- the blower unit 11 sucks the air in the passenger compartment from the front of the passenger compartment and sends it to the blower duct 12. Air blown from the blower unit 11 is blown out toward the rear of the passenger compartment through the blower duct 12.
- the blower unit 11 is disposed around the position of the first row of seats 3 in the longitudinal direction of the vehicle interior as shown in FIG. 1, and the center of the vehicle interior space in the vehicle interior width direction (vehicle lateral direction) as shown in FIG. It is arranged in the part.
- the air duct 12 is disposed around the position between the first row of seats 3 and the second row of seats 4 in the longitudinal direction of the vehicle interior as shown in FIG. 1, and as shown in FIG. It arrange
- blower unit 11 and the blower duct 12 are arranged so as to avoid a position where it is assumed that there is a head HD of an occupant seated on the seat when viewed from above and below the vehicle interior.
- the blower unit 11 includes a case 111 and a blower 112.
- the case 111 houses the blower 112.
- the case 111 is molded of a resin (for example, polypropylene) having a certain degree of elasticity and excellent strength.
- the case 111 has a substantially rectangular parallelepiped shape, and is arranged such that its long side coincides with the vehicle interior longitudinal direction and its short side coincides with the vehicle interior width direction.
- a suction port 111a for introducing vehicle interior air into the case 111 is opened.
- a louver 111b is formed in the opening portion of the suction port 111a of the case 111.
- the louver 111b guides the flow of air sucked from the suction port 111a, and is a flat plate that inclines toward the vehicle interior lower side from the outer side of the case 111 (the vehicle interior front side) toward the inner side of the case 111. It is formed in a shape.
- the vehicle interior air sucked into the suction port 111a flows from the vehicle interior upper side toward the vehicle interior lower side.
- the suction port 111a opens toward the vehicle upper side from the horizontal.
- the blower 112 is an electric blower that blows air, and includes a fan 112a, an electric motor 112b, and a scroll casing 112c.
- the fan 112a is a centrifugal multiblade fan that sucks air from one end side in the axial direction (the vehicle interior lower side in FIG. 4) and discharges the air radially outward.
- the fan 112a is rotationally driven by an electric motor 112b attached to the other axial end side (in FIG. 4, the upper side in the passenger compartment).
- the fan 112a is arranged such that its axial direction coincides with the vehicle vertical direction.
- the scroll casing 112c accommodates the fan 112a and forms an outflow passage through which the air outflowed from the fan 112a passes.
- the scroll casing 112c is formed in a spiral shape in which the cross-sectional area of the outflow passage gradually increases toward the rotation direction of the fan 112a.
- a portion corresponding to the air suction portion of the fan 112a (a surface on the lower side in the passenger compartment in FIG. 4) is formed with an air suction port for sucking air in the case 111. Therefore, air is sucked into the fan 112a through this air suction port.
- an air passage 111c through which air discharged from the scroll casing 112c of the blower 112 flows is formed.
- the air passage 111c extends from the vehicle interior front side to the vehicle rear side, and a portion on the vehicle rear side branches into two in the vehicle left-right direction.
- Two air outlets 111d through which the air flowing through the air passage 111c flows out are formed on the side surface of the case 111 in the vehicle interior width direction.
- the air duct 12 is connected to each of the two air outlets 111d.
- the air duct 12 forms an air passage through which air flowing out from the air outlet 111d of the case 111 flows.
- the air duct 12 is formed of a resin (for example, polypropylene) having a certain degree of elasticity and excellent in strength.
- the air duct 12 is formed in a straight line extending from the air outlet 111d of the case 111 toward the outside in the vehicle interior width direction.
- the end of the air duct 12 on the side opposite to the air outlet 111d (outside in the vehicle interior width direction) is closed, but it does not necessarily have to be closed.
- the blower duct 12 has an air outlet 121 that blows air toward the rear of the vehicle interior.
- the blower outlet 121 extends in the vehicle interior width direction and opens.
- the blower outlet 121 is formed over substantially the entire length of the blower duct 12.
- the air duct 12 has a substantially rectangular cross-sectional shape, and the long side of the cross section coincides with the longitudinal direction of the vehicle interior, and the short side of the cross section coincides with the vertical direction of the vehicle interior. Has been placed.
- the air outlet 121 opens in the wall 122 on the vehicle lower side of the air duct 12.
- the blower outlet 121 is formed by two wall surfaces 123 and 124 of the blower duct 12.
- the two wall surfaces 123 and 124 are formed so as to face each other in the longitudinal direction of the vehicle interior and to approach each other as they go from the inner side to the outer side of the air duct 12.
- the blower outlet 121 is comprised as a nozzle which ejects air.
- the two wall surfaces 123 and 124 have a shape that curves toward the vehicle interior rear side as it goes from the vehicle interior upper side to the vehicle interior lower side. Thereby, the air blown out from the blower outlet 121 flows toward the vehicle interior rear.
- the wall surface 124 on the vehicle interior rear side is smoothly connected to the wall surface 122 on the vehicle lower side of the air duct 12. Thereby, the air blown out from the blower outlet 121 is attracted to the wall surface 122 on the vehicle lower side by the Coanda effect and flows along the wall surface 122.
- the primary air flow F ⁇ b> 1 is formed by blowing air from the outlet 121.
- the primary air flow F ⁇ b> 1 draws air around (outside the air duct 12) due to the ejector effect. Thereby, the secondary air flow F2 is formed.
- the primary air flow F1 and the secondary air flow F2 flow toward the rear of the vehicle interior, the amount of air blown to the rear of the vehicle interior can be increased compared to the amount of air blown from the outlet 121.
- an indoor air conditioning unit 7 of a vehicle air conditioner is disposed inside an instrument panel 6 (instrument panel) at the foremost part of the vehicle interior.
- the indoor air conditioning unit 7 has an air conditioning case 71.
- the air conditioning case 71 forms an outer shell of the indoor air conditioning unit 7 and also forms an air passage for indoor blown air that is blown toward the vehicle interior.
- the blown air from a blower unit flows into the most upstream part of the air passage in the air conditioning case 71.
- the blower unit is arranged inside the instrument panel 6 together with the indoor air conditioning unit 7.
- the blower unit includes an inside / outside air switching box for switching and introducing inside air (vehicle interior air) and outside air (vehicle outside air), and a centrifugal blower for blowing the air introduced into the inside / outside air switching box.
- an evaporator In the air passage in the air conditioning case 71, an evaporator, a heater core, an air mix door, etc. (all not shown) are arranged.
- the evaporator is one of the devices constituting the vapor compression refrigeration cycle (not shown), and cools the air blown from the blower unit by evaporating the low-pressure refrigerant in the refrigeration cycle and exerting an endothermic effect. It is a heat exchanger for cooling.
- the heater core is a heating heat exchanger that heats cold air by exchanging heat between engine cooling water (hot water) that cools the engine (not shown) of the vehicle 1 and cold air cooled by the evaporator.
- engine cooling water hot water
- the air mix door is a temperature adjustment unit that adjusts the air volume ratio between the cold air cooled by the evaporator and the hot air heated by the heater core to adjust the temperature of the air blown into the vehicle interior to a desired temperature. .
- the air conditioning case 71 has a face opening 711. One end of a face duct 8 that forms an air passage is connected to the face opening 711. The other end of the face duct 8 is connected to a face outlet 9 provided in the instrument panel 6.
- the face outlet 9 blows out the conditioned air whose temperature has been adjusted by the air conditioning case 71 toward the face side (upper side of the passenger compartment) of the passenger in the passenger compartment.
- an air flow F ⁇ b> 3 toward the vehicle compartment upper side is formed.
- the conditioned air whose temperature is adjusted by the air conditioning case 71 passes from the upper vent outlet provided in the upper part of the instrument panel 6 to the seats on the rear side of the vehicle (the second row 4 and the third row). It blows out toward the seat 5 of the eye, and the air flow F3 toward the passenger compartment upper side is also formed by blowing the conditioned air from the upper vent outlet.
- the air sucked into the case 111 is further sucked into the scroll casing 112c and discharged from the scroll casing 112c.
- the air discharged from the scroll casing 112 c flows through the air passage 111 c in the case 111 and the air passage in the blower duct 12, and then blows out from the air outlet 121 toward the rear of the vehicle interior.
- the primary air flow F ⁇ b> 1 is formed by blowing air from the outlet 121.
- the primary air flow F ⁇ b> 1 is attracted to the wall surface 122 on the vehicle lower side by the Coanda effect and flows along the wall surface 122.
- the primary air flow F1 draws the air around it (outside the air duct 12) by the ejector effect. Thereby, the secondary air flow F2 is formed. Then, the primary air flow F1 and the secondary air flow F2 are mixed and flow toward the rear of the passenger compartment.
- the indoor air conditioning unit 7 of the vehicle air conditioner when the indoor air conditioning unit 7 of the vehicle air conditioner is in operation, the conditioned air is blown out from the face air outlet 9, and an air flow F3 directed upward in the passenger compartment is formed. A part of the air flow F3 is sucked from the suction port 111a of the blower unit 11 and then blown out from the blower outlet 121 of the blower duct 12 to form the primary air flow F1, or drawn into the primary air flow F1 and the secondary. An air flow F2 is formed.
- the air around the air outlet 121 is drawn in by the air blown out from the air outlet 121 and blown into the vehicle interior space. Therefore, the air volume larger than the air volume blown out from the air outlet 121 is entered into the vehicle interior space. Can blow. For this reason, the air outlet 121 can be made thin in the vertical direction of the vehicle while securing the amount of air blown into the vehicle interior space, thereby improving the occupant comfort and the visibility behind the vehicle.
- the centrifugal multiblade fan since a centrifugal multiblade fan is used as the fan 112a, it is easy to ensure the amount of air blown by the fan 112a even if the ventilation resistance is increased due to the thin outlet 121. It is. That is, the centrifugal multiblade fan has a characteristic that it is easy to ensure the air flow rate even if the ventilation resistance is large.
- the fan 112a that is, the centrifugal multiblade fan is arranged so that the axial direction thereof coincides with the vehicle vertical direction
- the cross flow fan is arranged so as to extend in the vehicle interior width direction as in the above-described prior art.
- the blower unit 11 can be made thinner in the vehicle vertical direction. Therefore, the occupant's habitability can be improved.
- the blower unit 11 and the blower duct 12 are arranged so as to avoid the position where the head HD of the occupant seated in the seat is assumed when viewed from the vertical direction of the passenger compartment. The habitability can be improved.
- suction port 111a of the blower unit 11 is disposed on the front side of the passenger compartment from the blower outlet 121 of the blower duct 12, air circulation is generated in which the air blown from the blower outlet 121 is immediately sucked from the suction port 111a. Can be suppressed.
- the suction port 111a is formed in the front side of the vehicle interior from the blower 112, the conditioned air blown from the face air outlet 9 of the indoor air conditioning unit 7 is easily sucked from the suction port 111a.
- the conditioned air conditioned to the desired temperature by the indoor air conditioning unit 7 can be blown rearward by the blower unit 11, the passenger seated in the second row of seats 4 and the third row of seats 5
- the air conditioning comfort can be improved.
- the suction port 111a of the blower unit 11 opens toward the upper side of the vehicle from the horizontal, the operating sound of the blower 112 leaking from the suction port 111a directly reaches the occupant's ear EA and the passenger feels uncomfortable. Can be suppressed.
- the suction port 111 a of the blower unit 11 is located on the front side in the vehicle interior from the position where it is estimated that there is an occupant's ear EA seated on the seat 3 in the first row. positioned.
- the wall surface portion of the case 111 of the blower unit 11 is located between the suction port 111a and the position where it is estimated that there is an occupant's ear EA.
- the wall surface portion of the case 111 serves as a sound insulation wall that blocks the operation sound of the blower 112 with respect to the occupant's ear EA.
- the blower units 11 are arranged one by one on the left and right sides of the vehicle interior around the position between the first row seats and the second row seats in the longitudinal direction of the vehicle interior.
- the air duct 12 is disposed between the two air blowing units 11. One end of the air duct 12 is connected to the air blowing unit 11 on the left side of the vehicle interior, and the other end of the air air duct 12 is connected to the air blowing unit 11 on the right side of the vehicle interior.
- FIG. 8 is a cross-sectional view corresponding to FIG. 5 of the first embodiment.
- the wind direction adjusting member 13 is disposed behind the air outlet 121 in the vehicle interior.
- the wind direction adjusting member 13 is formed in a plate shape extending in the vehicle left-right direction.
- the wind direction adjusting member 13 can swing in the front-rear direction of the vehicle interior about a swing shaft 131 extending in the left-right direction of the vehicle.
- the swing position of the wind direction adjusting member 13 is adjusted manually or automatically. If the swing shaft 131 is connected to a drive mechanism such as an electric actuator, the swing position of the wind direction adjusting member 13 can be automatically adjusted.
- the direction of the primary air flow F1 can be adjusted in the vertical direction of the passenger compartment. And since the direction of the secondary air flow F2 drawn in by the primary air flow F1 can also be adjusted to a vehicle interior up-down direction, a ventilation direction can be adjusted to a vehicle interior up-down direction according to a passenger
- the primary air flow F1 flows substantially horizontally from the vehicle interior front side toward the vehicle interior rear side. Since the secondary air flow F2 drawn by the primary air flow F1 also flows substantially horizontally toward the vehicle interior rear side, it is blown toward the vehicle interior rear side.
- the wind direction adjusting member 13 when the wind direction adjusting member 13 is substantially vertical, the direction of the primary air flow F1 changes toward the vehicle interior lower side. And since the direction of the secondary air flow F2 drawn in by the primary air flow F1 also changes toward the vehicle interior lower side, the blowing direction can be adjusted to the vehicle interior lower side.
- the wind direction adjusting member 13 that adjusts the direction of the flow of the air blown from the air outlet 121 of the air duct 12 to the vehicle interior vertical direction is provided. Can be adjusted in the direction. Therefore, the air conditioning comfort of the passenger can be improved.
- an evaporator 113 is accommodated in the case 111.
- the evaporator 113 is one of devices constituting a vapor compression refrigeration cycle (not shown), and the air sucked into the case 111 by evaporating the low-pressure refrigerant in the refrigeration cycle and exerting an endothermic effect. It is a heat exchanger (cooling part) for cooling which cools.
- the vapor compression refrigeration cycle includes a compressor, a condenser, an expansion valve, an evaporator 113, and the like.
- the compressor sucks in refrigerant, compresses it, and discharges it.
- the condenser is a radiator (heat dissipation heat exchanger) that radiates and cools the high-pressure refrigerant by exchanging heat between the high-pressure refrigerant discharged from the compressor and outside air (outside air).
- the expansion valve is a decompression unit that decompresses and expands the high-pressure refrigerant that has flowed out of the condenser.
- the evaporator 113 performs heat exchange between the low-pressure refrigerant decompressed by the expansion valve and the passenger compartment air (inside air) flowing through the case 111, thereby evaporating the low-pressure refrigerant and exerting an endothermic effect. It is a vessel.
- the evaporator 113 is disposed in the case 111 on the upstream side of the air flow from the blower 112. Therefore, the blower 112 sucks and discharges the air cooled by the evaporator 113.
- the fan of the blower 112 includes a centrifugal multiblade fan 112d and an axial fan 112e.
- Centrifugal multi-blade fan 112d sucks air from one axial end side (in FIG. 10, the upper side in the passenger compartment) and discharges air radially outward.
- the axial fan 112e sucks air from one end in the axial direction (upper side in the vehicle interior in FIG. 10) and discharges air to the other end in the axial direction (lower side in the vehicle interior in FIG. 10).
- the centrifugal multiblade fan 112d has a central portion (inside of a large number of blades) penetrating in the axial direction (vertical direction in FIG. 11).
- the axial fan 112e is disposed on the other axial end side (lower side in FIG. 11) of the centrifugal multiblade fan 112d, and as shown by the broken line arrow in FIG. The air at the center of the centrifugal multiblade fan 112 is sucked from the side and discharged to the other axial end (downward in FIG. 11).
- a sub air outlet 111 e is opened on the lower surface of the case 111.
- the sub outlet 111e is disposed directly below the axial fan 112e.
- the air discharged from the axial fan 112e is blown out of the case 111 from the sub blower outlet 111e.
- the auxiliary air outlet 111e has an occupant's head HD (see FIGS. 1 and 2) seated on the first row of seats 3 when viewed in the vertical direction of the passenger compartment. It is arranged on the rear side of the passenger compartment from the assumed position.
- An air guide plate 111f is provided directly below the auxiliary air outlet 111e.
- the air guide plate 111f is an air guide part that guides the flow of air blown from the sub air outlet 111e to the air outlet 121 side of the air duct 12.
- the air guide plate 111f is formed in a plate shape that extends from the lower surface of the case 111 toward the vehicle interior rear side. Thereby, the flow of the air blown out from the sub outlet 111e is guided to the vehicle interior rear side.
- the air guide plate 111f is provided with a wall portion 111g that guides the flow of air blown out from the auxiliary air outlet 111e toward the vehicle interior rear side to the left and right sides of the vehicle interior.
- the flow of the air blown out from the sub blower outlet 111e is guided to the blower outlet 121 side of the blower duct 12 as shown by the broken line arrow in FIG.
- the air sucked into the case 111 is cooled by the evaporator 113 and then sucked into the scroll casing 112c.
- the cool air sucked into the scroll casing 112c is discharged from the centrifugal multiblade fan 112d and the axial fan 112e.
- the cold air discharged by the centrifugal multiblade fan 112d flows through the air passage 111c in the case 111 and the air passage in the blower duct 12, and then blows out from the air outlet 121 toward the rear of the vehicle interior.
- the cold air discharged by the axial flow fan 112e is blown out from the auxiliary air outlet 111e.
- the cold air blown out from the sub blower outlet 111e is guided to the blower outlet 121 side by the air guide plate 111f.
- a primary air flow F ⁇ b> 1 is formed by blowing cool air from the outlet 121.
- the primary air flow F ⁇ b> 1 is attracted to the wall surface 122 (see FIG. 5) on the vehicle lower side due to the Coanda effect, and flows along the wall surface 122.
- the primary air flow F1 draws in cold air blown out from the auxiliary air outlet 111e by the ejector effect. Thereby, the secondary air flow F2 is formed. Then, the primary air flow F1 and the secondary air flow F2 are mixed and flow toward the rear of the passenger compartment.
- the primary air flow F1 draws in the cold air blown from the sub outlet 111e, so hot air in the vehicle interior (air that has not been cooled by the evaporator 113) is drawn in and rearward of the vehicle interior. It can suppress that blast temperature rises. Therefore, it is possible to further improve the air conditioning comfort of passengers seated in the second row of seats 4 and the third row of seats 5.
- the blower unit 11 has an evaporator 113 that cools the air, and the case 111 is formed with a sub-blower 111 e that blows out the air cooled by the evaporator 113. With the air blown out from 121, the air blown out from the sub outlet 111e is drawn and blown into the vehicle interior space.
- the blower outlet 121 is formed so that the air blown from the blower 112 is blown out to the vehicle interior rear side, and the sub blower outlet 111e is arranged in the vehicle compartment front side rather than the blower outlet 121. Has been.
- the air blown out from the sub outlet 111e can be effectively drawn in by the air blown out from the outlet 121 and blown into the vehicle interior space.
- the auxiliary air outlet 111e is formed on the lower surface of the case 111. Thereby, the air blown out from the sub outlet 111e can be effectively drawn in by the air blown out from the outlet 121 and blown into the vehicle interior space.
- the air guide plate 111f that guides the air blown out from the sub blower outlet 111e to the blower outlet 121 side is provided, the cold air blown out from the sub blower outlet 111e can be reliably drawn in by the primary air flow F1. .
- the cold air discharged by the axial fan 112e is blown out from the auxiliary air outlet 111e.
- the cold air discharged by the centrifugal multiblade fan 112d. is blown out from the sub outlet 111e.
- the axial fan 112e is not provided, and the other axial end portion (the lower end portion in FIG. 12) of the centrifugal multiblade fan 112d is located on the lower side in the vehicle compartment than the auxiliary air outlet 111e. Is doing. That is, the other axial end portion (the lower end portion in FIG. 12) of the centrifugal multiblade fan 112d is exposed to the outside of the case 111 from the auxiliary air outlet 111e.
- the cold air discharged from the portion of the centrifugal multiblade fan 112d located inside the case 111 is blown out from the outlet 121 of the blower duct 1.
- the cold air discharged from the portion of the centrifugal multiblade fan 112d that is exposed to the outside of the case 111 is blown out from the auxiliary air outlet 111e.
- the cold air blown out from the sub blower outlet 111e is guided to the blower outlet 121 side by the air guide plate 111f.
- the air duct 12 has a structure that can swing in the longitudinal direction of the vehicle interior.
- the blower unit 11 is disposed at the center of the vehicle interior space in the vehicle interior width direction (vehicle left-right direction).
- the air duct 12 is formed in a straight line extending from the air outlet 111d of the case 111 toward the outside in the vehicle interior width direction.
- the air duct 12 is connected to the air outlet 111d of the case 111 via the connecting member 14, and swings around the connecting member 14 side (the base side of the air duct 12). In other words, the air duct 12 swings around the air blowing unit 11 side.
- connection member 14 is configured by a flexible bellows-shaped duct member.
- the connecting member 14 serves to absorb a change in position due to the swing of the air duct 12.
- the connection member 14 may be a rotary member that rotates about a rotation shaft that extends in the vertical direction of the vehicle interior.
- the swing position of the air duct 12 is adjusted manually or automatically. If the swing shaft of the air duct 12 is connected to a drive mechanism such as an electric actuator, the swing position of the air duct 12 can be automatically adjusted.
- the opening direction of the air outlet 121 is adjusted in the left-right direction of the passenger compartment. Therefore, since the direction of the primary air flow F1 can be adjusted in the left-right direction in the vehicle interior, the blowing direction can be adjusted in the left-right direction in the vehicle interior as desired by the passenger.
- the primary air flow F1 flows toward the vehicle interior rear side substantially parallel to the vehicle front-rear direction, so that air is blown toward the vehicle interior rear side.
- the primary air flow F1 flows toward the outside in the left-right direction of the vehicle, so that the air blowing direction can be adjusted to the outside in the left-right direction of the vehicle. Further, when the air duct 12 is swung to the rear side of the vehicle, the primary air flow F1 flows toward the inner side in the left-right direction of the vehicle, so that the air blowing direction can be adjusted to the inner side in the left-right direction of the vehicle.
- the air duct 12 is swingable in the vehicle front-rear direction around the air blowing unit 11 side.
- the opening direction of the outlet 121 can be adjusted in the left-right direction in the vehicle interior, the air blowing direction can be adjusted in the left-right direction in the vehicle interior as desired by the passenger. Therefore, the air conditioning comfort of the passenger can be improved.
- the fan 112a is a centrifugal multi-blade fan, but is not limited to this.
- the fan 112a may be a mixed flow fan.
- the ventilation unit 11 is comprised so that the air suck
- a cooling heat exchanger for cooling the blown air, a heating heat exchanger for heating the blown air, or the like may be disposed in the air passage inside the case 111 of the blower unit 11.
- the suction port 111a of the blower unit 11 is located on the front side in the vehicle compartment from the position where it is estimated that there is an occupant's ear EA seated on the seat 3 in the first row.
- the operation sound of the blower 112 is prevented from directly reaching the occupant's ear EA, but the same is true when the wall surface of the case 111 is formed from the suction port 111a to the front side of the vehicle interior. The effect of this can be obtained.
- the wall surface portion of the case 111 of the blower unit 11 Is extended to the front side of the passenger compartment from a position where it is estimated that there is an occupant's ear EA seated in the first row of seats 3, there is a suction port 111 a and an occupant's ear EA. Since the wall surface portion of the case 111 of the blower unit 11 is positioned between the estimated position and the position, the wall surface portion of the case 111 can serve as a sound insulating wall.
- the suction port 111a of the blower unit 11 is formed on the end surface of the front side of the vehicle interior of the case 111, but is not limited thereto.
- the suction port 111a is the lower surface of the case 111. It may be formed on the side surface or the like.
- the blower unit 11 and the blower duct 12 are disposed so as to avoid a position where it is assumed that there is a head HD of an occupant seated in the seat when viewed from the vertical direction of the vehicle interior.
- the blower unit 11 and the blower duct 12 may be disposed so as to avoid a position where the seat is located (particularly, a position where the headrest of the seat is located) when viewed from above and below in the vehicle interior. Good.
- the auxiliary air outlet 111e is formed on the lower surface of the case 111, but is not limited thereto.
- the auxiliary air outlet 111e may be formed on the side surface of the case 111.
- the other end in the axial direction of the centrifugal multiblade fan 112d need not be exposed to the outside of the case 111, and the entire centrifugal multiblade fan 112d may be accommodated inside the case 111.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
Description
以下、第1実施形態における車両用送風装置を図1~図5に基づいて説明する。図1中、前後上下左右の矢印は、車両(車室内)の各方向を示している。本実施形態における車両用送風装置10が適用される車両1は、座席を車室内前後方向に3列備えている。 (First embodiment)
Hereinafter, the vehicle air blower according to the first embodiment will be described with reference to FIGS. In FIG. 1, front, rear, up, down, left and right arrows indicate the respective directions of the vehicle (vehicle interior). The
第2実施形態では、図6に示すように、送風ユニット11の吸込口111aが、1列目の座席3に着座した乗員の耳部EAがあると推定される位置よりも車室内前方側に位置している。 (Second Embodiment)
In the second embodiment, as shown in FIG. 6, the
上記第1実施形態では、送風ユニット11は、車室内幅方向において車室内の中央に配置されているが、第3実施形態では、図7に示すように、車室内幅方向において車室内空間の側方部に配置されている。 (Third embodiment)
In the said 1st Embodiment, although the
本実施形態では、図8に示すように、送風ダクト12の吹出口121から吹き出された空気の流れ方向を調整する風向調整部材13が配置されている。図8は、上記第1実施形態の図5に対応する断面図である。 (Fourth embodiment)
In this embodiment, as shown in FIG. 8, a wind
本実施形態では、図9、図10に示すように、ケース111に蒸発器113が収容されている。蒸発器113は、蒸気圧縮式冷凍サイクル(図示せず)を構成する機器の1つであり、冷凍サイクル内の低圧冷媒を蒸発させて吸熱作用を発揮させることで、ケース111に吸い込まれた空気を冷却する冷却用熱交換器(冷却部)である。 (Fifth embodiment)
In the present embodiment, as shown in FIGS. 9 and 10, an
上記第5実施形態では、軸流ファン112eによって吐出された冷風が副吹出口111eから吹き出されるが、本実施形態では、図12に示すように、遠心式多翼ファン112dによって吐出された冷風の一部が副吹出口111eから吹き出される。 (Sixth embodiment)
In the fifth embodiment, the cold air discharged by the
本実施形態では、図13に示すように、送風ダクト12は、車室内前後方向に揺動可能な構造になっている。 (Seventh embodiment)
In the present embodiment, as shown in FIG. 13, the
上記実施形態は、例えば以下のように種々変形可能である。 (Other embodiments)
The above embodiment can be variously modified as follows, for example.
Claims (13)
- 空気を送風する送風機(112)、および前記送風機(112)を収容するケース(111)を有する送風ユニット(11)と、
前記送風機(112)から送風された空気を車室内空間へ吹き出すための吹出口(121)が形成された送風ダクト(12)とを備え、
前記送風ユニット(11)は、車室内上下方向から見たときに、座席(3、4、5)に着座した乗員の頭部(HD)があると想定される位置を避けて車室内の天井(2)に配置され、
前記送風ダクト(12)は、車室内幅方向に延びるように前記天井(2)に配置され、
前記吹出口(121)は、前記車室内幅方向に延びるように前記送風ダクト(12)に形成され、
前記吹出口(121)から吹き出された空気によって、前記送風ダクト(12)の外部の空気を引き込んで前記車室内空間へ送風する車両用送風装置。 A blower unit (11) having a blower (112) for blowing air, and a case (111) for housing the blower (112);
A blower duct (12) formed with a blower outlet (121) for blowing the air blown from the blower (112) into the vehicle interior space;
The blower unit (11) avoids a position where it is assumed that there is a head (HD) of an occupant seated in the seat (3, 4, 5) when viewed from above and below in the vehicle interior. Placed in (2),
The air duct (12) is disposed on the ceiling (2) so as to extend in the vehicle interior width direction,
The air outlet (121) is formed in the air duct (12) so as to extend in the vehicle interior width direction,
An air blower for a vehicle that draws in air outside the air duct (12) by the air blown from the air outlet (121) and blows it into the vehicle interior space. - 前記送風ユニット(11)は、車室内幅方向において車室内空間の中央部に配置されている請求項1に記載の車両用送風装置。 The vehicle air blower according to claim 1, wherein the air blowing unit (11) is disposed at a central portion of the vehicle interior space in the vehicle interior width direction.
- 前記送風ユニット(11)は、車室内幅方向において車室内空間の側方部に配置されている請求項1に記載の車両用送風装置。 The vehicle blower device according to claim 1, wherein the blower unit (11) is disposed at a side portion of the vehicle interior space in the vehicle interior width direction.
- 前記吹出口(121)は、前記送風機(112)から送風された空気が車室内後方側へ吹き出されるように形成されており、
前記ケース(111)には、前記車室内空間の空気を吸い込むための吸込口(111a)が、前記吹出口(121)よりも車室内前方側に形成されている請求項1ないし3のいずれか1つに記載の車両用送風装置。 The air outlet (121) is formed so that the air blown from the blower (112) is blown out to the vehicle interior rear side,
The intake case (111a) for sucking air in the vehicle interior space is formed in the case (111) on the front side in the vehicle interior of the air outlet (121). The air blower for vehicles as described in one. - 前記ケース(111)には、前記車室内空間の空気を吸い込むための吸込口(111a)が、前記送風機(112)よりも車室内前方側に形成されている請求項1ないし3のいずれか1つに記載の車両用送風装置。 The suction port (111a) for sucking air in the vehicle interior space is formed in the case (111) on the front side in the vehicle interior of the blower (112). Ventilation device for vehicles as described in one.
- 前記ケース(111)には、前記車室内空間の空気を吸い込むための吸込口(111a)が、水平よりも車両上方側を向いて開口するように形成されている請求項1ないし3のいずれか1つに記載の車両用送風装置。 The suction port (111a) for sucking air in the vehicle interior space is formed in the case (111) so as to open toward the vehicle upper side from the horizontal. The air blower for vehicles as described in one.
- 前記ケース(111)には、前記車室内空間の空気を吸い込むための吸込口(111a)が形成され、
前記吸込口(111a)と前記乗員の耳部(EA)があると想定される位置との間に前記ケース(111)の壁面部が位置している請求項1ないし3のいずれか1つに記載の車両用送風装置。 The case (111) is formed with a suction port (111a) for sucking air in the vehicle interior space,
The wall surface of the case (111) is located between the suction port (111a) and a position where the occupant's ear (EA) is assumed to be present. The air blower for vehicles as described. - 前記送風ユニット(11)は、空気を冷却する冷却部(113)を有しており、
前記ケース(111)には、前記冷却部(113)で冷却された空気を吹き出す副吹出口(111e)が形成されており、
前記吹出口(121)から吹き出された空気によって、前記副吹出口(111e)から吹き出された空気を引き込んで前記車室内空間へ送風する請求項1ないし7のいずれか1つに記載の車両用送風装置。 The blower unit (11) has a cooling part (113) for cooling air,
The case (111) is formed with a sub outlet (111e) for blowing out the air cooled by the cooling section (113).
The vehicle according to any one of claims 1 to 7, wherein the air blown from the sub blower outlet (111e) is drawn by the air blown from the blower outlet (121) and blown into the vehicle interior space. Blower device. - 前記吹出口(121)は、前記送風機(112)から送風された空気が車室内後方側へ吹き出されるように形成されており、
前記副吹出口(111e)は、前記吹出口(121)よりも車室内前方側に配置されている請求項8に記載の車両用送風装置。 The air outlet (121) is formed such that air blown from the blower (112) is blown out to the rear side of the vehicle interior,
The air blower for a vehicle according to claim 8, wherein the sub air outlet (111 e) is disposed on the front side in the vehicle interior of the air outlet (121). - 前記副吹出口(111e)は、前記ケース(111)の下面に形成されている請求項8または9に記載の車両用送風装置。 The vehicle air blower according to claim 8 or 9, wherein the auxiliary air outlet (111e) is formed on a lower surface of the case (111).
- 前記副吹出口(111e)から吹き出された空気を前記吹出口(121)側に導く導風部(111f)を備える請求項8ないし10のいずれか1つに記載の車両用送風装置。 The vehicle blower device according to any one of claims 8 to 10, further comprising an air guide portion (111f) for guiding the air blown from the sub blower outlet (111e) to the blower outlet (121) side.
- 前記吹出口(121)から吹き出された空気の流れの向きを車室内上下方向に調整する風向調整部材(13)を備える請求項1ないし11のいずれか1つに記載の車両用送風装置。 The vehicle air blower according to any one of claims 1 to 11, further comprising a wind direction adjusting member (13) that adjusts a flow direction of the air blown from the air outlet (121) in a vertical direction of the vehicle interior.
- 前記送風ダクト(12)は、前記送風ユニット(11)側を中心として車室内前後方向に揺動可能になっている請求項2に記載の車両用送風装置。 The blower for a vehicle according to claim 2, wherein the blower duct (12) is swingable in a longitudinal direction of the vehicle interior about the blower unit (11) side.
Priority Applications (2)
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CN201380067231.8A CN104884282B (en) | 2012-12-20 | 2013-12-16 | Vehicle air-supply arrangement |
BR112015011019-3A BR112015011019B1 (en) | 2012-12-20 | 2013-12-16 | inflation device for a vehicle |
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JP2012-278545 | 2012-12-20 | ||
JP2012278545 | 2012-12-20 | ||
JP2013250883A JP6197616B2 (en) | 2012-12-20 | 2013-12-04 | Blower for vehicle |
JP2013-250883 | 2013-12-04 |
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PCT/JP2013/007380 WO2014097605A1 (en) | 2012-12-20 | 2013-12-16 | Blowing device for vehicle |
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JP (1) | JP6197616B2 (en) |
CN (1) | CN104884282B (en) |
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DE102014209968A1 (en) * | 2014-05-26 | 2015-11-26 | Volkswagen Aktiengesellschaft | motor vehicle |
WO2016006187A1 (en) * | 2014-07-10 | 2016-01-14 | 株式会社デンソー | Ventilation apparatus |
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JP2020049976A (en) * | 2018-09-24 | 2020-04-02 | 株式会社デンソー | Vehicle blowing device |
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JP6331955B2 (en) * | 2014-10-17 | 2018-05-30 | 株式会社デンソー | Blower |
JP6794955B2 (en) * | 2017-07-31 | 2020-12-02 | 株式会社デンソー | Vehicle air conditioner |
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Also Published As
Publication number | Publication date |
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BR112015011019A2 (en) | 2017-07-11 |
CN104884282A (en) | 2015-09-02 |
JP6197616B2 (en) | 2017-09-20 |
CN104884282B (en) | 2017-03-08 |
JP2014139066A (en) | 2014-07-31 |
BR112015011019B1 (en) | 2020-11-10 |
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