WO2020003500A1 - Appareil de climatisation de véhicule - Google Patents

Appareil de climatisation de véhicule Download PDF

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Publication number
WO2020003500A1
WO2020003500A1 PCT/JP2018/024842 JP2018024842W WO2020003500A1 WO 2020003500 A1 WO2020003500 A1 WO 2020003500A1 JP 2018024842 W JP2018024842 W JP 2018024842W WO 2020003500 A1 WO2020003500 A1 WO 2020003500A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
flow path
fins
housing
hot air
Prior art date
Application number
PCT/JP2018/024842
Other languages
English (en)
Japanese (ja)
Inventor
法之 近川
Original Assignee
三菱重工サーマルシステムズ株式会社
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 三菱重工サーマルシステムズ株式会社 filed Critical 三菱重工サーマルシステムズ株式会社
Priority to JP2018536907A priority Critical patent/JP6457160B1/ja
Priority to CN201880093951.4A priority patent/CN112292274B/zh
Priority to DE112018007784.5T priority patent/DE112018007784T5/de
Priority to PCT/JP2018/024842 priority patent/WO2020003500A1/fr
Publication of WO2020003500A1 publication Critical patent/WO2020003500A1/fr

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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
    • B60H1/00007—Combined heating, ventilating, or cooling devices
    • B60H1/00021—Air flow details of HVAC devices
    • B60H1/00035—Air flow details of HVAC devices for sending an air stream of uniform temperature into the passenger compartment
    • B60H1/0005—Air flow details of HVAC devices for sending an air stream of uniform temperature into the passenger compartment the air being firstly cooled and subsequently heated or vice versa
    • 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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00664—Construction or arrangement of damper doors
    • B60H1/00692—Damper doors moved by translation, e.g. curtain doors
    • 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
    • B60H1/00021—Air flow details of HVAC devices
    • B60H2001/00078—Assembling, manufacturing or layout details
    • B60H2001/00092—Assembling, manufacturing or layout details of air deflecting or air directing means inside the device

Definitions

  • the present invention relates to a vehicle air conditioner.
  • a vehicle air conditioner applied to a vehicle such as an automobile appropriately mixes cold air generated through an evaporator and warm air generated by a heater core using a part of the cold air in a housing accommodating an evaporator and a heater core. Thus, air at a desired temperature is blown into the vehicle.
  • a device described in Patent Document 1 below is known.
  • the air conditioner according to Patent Literature 1 includes, in a casing (air conditioning unit), a cold air passage in which air passing through an evaporator flows, a hot air passage in which air passing through a heater core flows, and cold air and hot air passing through these cold air passages.
  • a mix damper for adjusting the mixing ratio of the warm air that has passed through the passage is provided in a casing (air conditioning unit), a cold air passage in which air passing through an evaporator flows, a hot air passage in which air passing through a heater core flows, and cold air and hot air passing through these cold air passages.
  • the present invention provides a vehicle air conditioner that can appropriately control the temperature inside a vehicle even if the installation space is small.
  • an air conditioner for a vehicle includes an evaporator that generates cool air by cooling air, and a heater core that is disposed downstream of the evaporator and heats the cool air to generate hot air.
  • An air supply flow path that is arranged upstream of the evaporator and supplies the air to the evaporator, a cool air flow path that is arranged downstream of the evaporator and upstream of the heater core and through which the cool air flows,
  • a flow path for hot air that is disposed downstream of the heater core and from which the hot air is blown out, and that is connected to the flow path for cold air and the flow path for hot air, and the flow path for cold air and the hot air
  • a casing that is disposed downstream of the air flow path and that defines an air mix space in which the cold air and the hot air are mixed, a duct that forms a flow path that communicates with the air mix space,
  • a cold air communication port for connecting the cold air flow path and the air mix space
  • a damper that adjusts the ratio of the degree of opening between the cold air communication port and the hot air communication port by sliding, and the housing is provided as a separate member on the downstream side of the damper in the housing.
  • a guide member having a plurality of fins extending from the flow path for hot air toward the damper and the air mix space and spaced apart from each other in a width direction intersecting a direction in which the hot air flows.
  • the vehicle air conditioner includes the guide member having the plurality of fins.
  • the plurality of fins extend from the hot air flow path toward the air mix space. Therefore, the fins can disturb the flow of the cool air and the warm air to create a complicated flow. Therefore, mixing of the cool air and the warm air can be promoted.
  • the plurality of fins are provided so as to sandwich the warm air from the width direction, so that the warm air can be prevented from spreading outward in the width direction toward the air mix space, and the flow velocity of the warm air increases. As a result, the penetration force of the warm air to the cool air flowing in the air mix space increases, and the warm air is not blown off by the cool air. Therefore, the warm air and the cool air can be sufficiently mixed.
  • the guide member may further include a base portion extending in the width direction, detachably supported by the housing, and supporting the plurality of fins. .
  • the guide member is detachably supported by the base with respect to the housing. Accordingly, when the housing is formed by, for example, injection molding using a resin, a mold can be manufactured without considering the shape of the guide member. Further, since there is no restriction by the mold, the shape of the guide member itself can be given a degree of freedom.
  • the guide member may further include a base portion that extends in the width direction and is provided integrally with the housing and that detachably supports the plurality of fins. Good.
  • the plurality of fins are detachably provided to the housing by the base integrated with the housing.
  • the shapes, installation directions, installation positions, and the like of the plurality of fins can be easily changed according to the flow of warm air.
  • At least one of the plurality of fins may be inclined and extend toward one side in the width direction toward the damper.
  • At least one fin extends obliquely toward one side in the width direction toward the damper.
  • the warm air can be guided to one side in the width direction along the fins.
  • the flow can be such that the cold air and the hot air are switched, and the mixing of the hot air and the cold air can be promoted.
  • the plurality of fins may be inclined and extend so as to approach each other in the width direction toward the damper.
  • the plurality of fins extend obliquely so as to approach each other.
  • the space (flow path) between the fins becomes narrower toward the downstream side of the flow of the warm air, and the flow velocity of the warm air passing through the space between the fins can be increased.
  • the mixing of the warm air and the cool air can be further promoted.
  • all of the plurality of fins may be inclined and extend toward one side in the width direction toward the damper.
  • the plurality of fins extend obliquely in the same direction toward the damper.
  • the warm air can be smoothly guided to one side in the width direction by the fins.
  • the flow can be such that the cold air and the hot air are switched, and the mixing of the hot air and the cold air can be promoted.
  • the temperature inside the vehicle can be appropriately adjusted even if the installation space is small.
  • the vehicle air conditioner 10 includes a housing 11, a blower 13, an evaporator 15, a heater core 17, a slide damper 19, a rotary damper 28, a differential and face damper 31, a guide member 40, and the like. And
  • the housing 11 includes a blower accommodating space 11A, an air supply passage 11B, an evaporator accommodating space 11C, a cool air passage 11D, a heater core accommodating space 11E, a hot air passage 11F, and an air mixing space 11G. , A differential and face flow path 11H (duct), a face outlet 11I, and a differential outlet 11L.
  • the blower housing space 11A is a space for housing the blower 13.
  • the air supply passage 11B communicates with the blower housing space 11A and the evaporator housing space 11C.
  • the air supply channel 11 ⁇ / b> B is arranged upstream of the evaporator 15.
  • the evaporator accommodating space 11C is arranged downstream of the air supply channel 11B.
  • the evaporator accommodation space 11C is a space for accommodating the evaporator 15.
  • the flow path 11D for cold air is arranged downstream of the evaporator accommodating space 11C.
  • the cool air flow passage 11D communicates with the evaporator housing space 11C and the heater core housing space 11E.
  • the upper area of the slide damper 19 (described later) is a cool air communication port 51, and the lower area is a hot air communication port 52.
  • the heater core housing space 11E is disposed downstream of the cool air flow path 11D.
  • the heater core housing space 11E is a space for housing the heater core 17.
  • the hot air flow path 11F is arranged downstream of the heater core housing space 11E and is connected to the heater core housing space 11E.
  • the hot air generated by the heater core 17 is blown out to the hot air flow path 11F.
  • a direction crossing (orthogonal to) the flow direction of the warm air may be referred to as a width direction D1.
  • a direction orthogonal to the width direction D1 in a horizontal plane may be referred to as a front-rear direction D2.
  • the air mix space 11G is arranged downstream of the flow path 11D for cold air and the flow path 11F for hot air.
  • the slide damper main body 19B one of the components of the slide damper 19
  • the air mix space 11G is cooled by the cool air communication port 51 and the hot air communication port 52 described above.
  • Channel 11D and the hot air channel 11F are described above.
  • the rotary damper 28 is disposed in the air mix space 11G.
  • the rotary damper 28 adjusts the opening degree of the inlet of the differential and face flow paths 11H, the front foot flow path (not shown), and the rear foot flow path (not shown).
  • the rotary damper 28 has a rotating shaft 60 and a damper main body 61 that rotates with the rotating shaft 60.
  • the differential and face channels 11H are arranged above the air mix space 11G.
  • the differential and face flow paths 11H communicate with the air mix space 11G. In this state, the air that has passed through the air mix space 11G is supplied to the differential and face channels 11H.
  • the rotary damper 28 blocks the inlet of the differential and face flow path 11H, the air that has passed through the air mix space 11G is not supplied to the differential and face flow path 11H.
  • the face outlet 11I is disposed downstream of the differential and face flow paths 11H, and communicates with the differential and face flow paths 11H.
  • the differential air outlet 11L is disposed downstream of the differential and face flow path 11H, and communicates with the differential and face flow path 11H.
  • the differential outlet 11L is arranged closer to the blower 13 than the face outlet 11I.
  • the blower 13 is arranged in the blower housing space 11A.
  • the blower 13 supplies air to the air supply channel 11B.
  • the evaporator 15 is arranged in the evaporator accommodation space 11C.
  • the evaporator 15 generates cool air by cooling the air supplied from the blower 13. The generated cool air flows through the cool air flow path 11D.
  • the heater core 17 is disposed in the heater core housing space 11E. When cool air is supplied from the evaporator 15, the heater core 17 generates warm air by warming the cool air. The generated hot air flows through the hot air flow path 11F.
  • the slide damper 19 is disposed between the evaporator 15 and the heater core 17.
  • the slide damper 19 has a rotation shaft 19A and a slide damper main body 19B.
  • the rotation shaft 19A is a gear that can rotate around an axis.
  • a plurality of teeth are formed in the circumferential direction of the rotation shaft 19A.
  • the slide damper body 19B is disposed closer to the heater core 17 than the rotation shaft 19A.
  • the slide damper body 19B has a rack gear that engages with the teeth of the rotation shaft 19A.
  • the slide damper body 19B slides (moves) downward.
  • the cold air communication port 51 is opened more than the hot air communication port 52.
  • the slide damper body 19B slides (moves) upward.
  • the hot air communication port 52 is opened to a greater extent than the cold air communication port 51. That is, the slide damper 19 adjusts the ratio of the opening degree between the cool air communication port 51 and the hot air communication port 52 by sliding.
  • the differential and face damper 31 is rotatably provided inside the housing 11 located between the face outlet 11I and the differential outlet 11L.
  • the differential and face damper 31 is a damper for adjusting the opening of the face outlet 11I and the differential outlet 11L.
  • the guide member 40 is arranged on the downstream side of the flow path for hot air.
  • the guide member 40 is provided for rectifying the hot air flowing out of the hot air flow path.
  • the guide member 40 has a base 41 and a plurality of fins 42.
  • the base portion 41 is a plate-like member that is disposed slightly above the upper end of the heater core 17 and is spaced apart from the upper end. As shown in FIG. 2, the base portion 41 includes a first support portion 41A provided on the other side in the front-rear direction D2, a second support portion 41C provided on one side in the front-rear direction D2, and a first support portion 41A. And a base portion main body 41B extending in the front-rear direction D2 between the second support portion 41C and the second support portion 41C.
  • the cross section of the first support portion 41A has a triangular shape as the dimension in the front-rear direction D2 gradually decreases from the upper side to the lower side.
  • the cross section of the second support portion 41C has a triangular shape as the dimension in the front-rear direction D2 gradually decreases from the lower side to the upper side.
  • the first support portion 41A is provided with a pin 41D extending along the width direction D1.
  • a pin 41E extending along the width direction D1 is provided on the second support portion 41C.
  • each fin 42 has a rectangular plate shape protruding from the base portion 41 toward the air mix space 11G (upper side) and the slide damper 19 side (front side).
  • the shape of the fin 42 is not limited to a rectangle.
  • the protruding height of each fin 42 gradually increases from the hot air flow path side toward the heater core housing space side. Further, as shown in FIG.
  • each fin 42 is connected to the slide damper main body 19B. Protrudes slightly higher than the height of the upper end (the position indicated by the chain line in FIG. 2). That is, the upper end of each fin 42 is disposed at a position at a halfway height of the cool air communication port 51 below the air mix space 11G. Therefore, each fin 42 is provided so as not to block the cool air communication port 51 in the whole area in the height direction, but to block only a part in the height direction.
  • the front end of each fin 42 is disposed at a position away from the cold air communication port 51 rearward.
  • the guide member 40 has four fins. These four fins 42 are arranged at intervals in the width direction D1.
  • the two fins 42 located on one side in the width direction D1 are inclined from one side in the width direction D1 to the other side from one side in the front-rear direction D2 to the other side (that is, the slide damper 19 side). Extending.
  • the two fins 42 located on the other side in the width direction D1 are inclined and extend from one side to the other side in the width direction D1 as going from one side to the other side in the front-rear direction D2.
  • the pair of fins 42 are arranged so as to gradually approach from one side in the front-rear direction D2 to the other side.
  • the guide member 40 is formed as a separate member from the housing 11. That is, the guide member 40 is detachably attached to the housing 11.
  • the example in which the plurality of fins 42 are formed integrally with the base portion 41 has been described.
  • the fins 42 may be detachable from the base 41.
  • the blower 13 In operating the vehicle air conditioner 10, the blower 13 is first operated. With the operation of the blower 13, air flows through the air supply channel 11B. The air that has passed through the air supply flow path 11B contacts the evaporator 15 and exchanges heat to become cool air, and flows into the cool air flow path 11D.
  • the slide damper main body 19B When the slide damper main body 19B is in the position shown in FIG. 1, a part of the air flowing into the cold air flow path 11D passes below the slide damper main body 19B (the hot air communication port 52) and the heater core housing space 11E. Flow into The air that has flowed into the heater core housing space 11 ⁇ / b> E contacts the heater core 17 and undergoes heat exchange to become hot air.
  • This warm air goes to the above-mentioned air mix space 11G through the warm air flow path 11F.
  • the remaining components of the air that has flowed into the cool air flow passage 11D pass above the slide damper body 19B (the cool air communication port 51) and head toward the air mix space 11G. That is, in the air mix space 11G, the cool air and the hot air are mixed at a ratio according to the position of the slide damper body 19B.
  • the cool air directly reaches the air mixing space 11G from the cool air flow passage 11D, whereas the warm air flows through the cool air flow passage 11D, the heater core 17, and the hot air flow passage 11F. And reaches the air mix space 11G.
  • the flow velocity of the hot air may be reduced in the hot air flow path 11F since the pressure loss in the flow path is larger in the hot air flow path 11F than in the cold air flow path 11D. If the flow velocity of the warm air is reduced, the warm air is blown off by the relatively high-speed cool air when mixed with the cool air in the air mixing space 11G, and the two are not sufficiently mixed. As a result, it may be difficult to perform precise temperature control.
  • the guide member 40 having the plurality of fins 42 is provided on the downstream side of the hot air flow path 11F.
  • the plurality of fins 42 extend from the hot air flow path toward the air mix space. Therefore, the fins 42 can disturb the flow of the cool air and the warm air to create a complicated flow. Therefore, mixing of the cool air and the warm air can be promoted.
  • the plurality of fins 42 are provided so as to sandwich the warm air from the width direction D1, it is possible to suppress the warm air from spreading outward in the width direction D1 toward the air mix space 11G, and the flow velocity of the warm air is increased. . As a result, the penetration force of the warm air to the cool air flowing in the air mix space increases, and the warm air is not blown off by the cool air. Therefore, the warm air and the cool air can be sufficiently mixed.
  • the guide member 40 is detachably supported by the base portion 41 with respect to the housing 11. Accordingly, when the housing 11 is formed by, for example, injection molding using a resin, a mold can be manufactured without considering the shape of the guide member 40. Further, since the guide member 40 is configured to be detachable, the shape of the guide member 40 itself can be given a degree of freedom.
  • the plurality of fins 42 are detachably provided to the base portion 41 integrated with the housing 11, the plurality of fins 42 are detachably provided to the housing 11. Can easily change the shape, installation direction, and installation position of the plurality of fins 42 in accordance with the flow of warm air.
  • the plurality of fins 42 extend obliquely so as to approach each other.
  • the space (flow path) between the fins 42 becomes narrower toward the downstream side of the flow of the warm air, and the flow velocity of the warm air passing through the space between the fins 42 can be increased.
  • the mixing of the warm air and the cool air can be further promoted.
  • each fin 42 is arranged at a halfway position of the cool air communication port 51 below the air mix space 11G, so that the cool air in the upper part of the cool air communication port 51 is formed.
  • the area near the communication port 51 it is possible to minimize the interference of the cool air with each fin 42, and it is possible to secure a suitable flow of the cool air in this area. This suppresses noise and vibration, especially during the maximum cooling operation (when the opening of the cool air communication port 51 is at a maximum), and also suppresses a decrease in efficiency of the entire apparatus due to an increase in pressure loss.
  • the front end of each fin 42 is located at a position away from the cool air communication port 51 rearward, so that the flow of the cool air is not largely obstructed.
  • the first embodiment of the present invention has been described above. Note that various changes and modifications can be made to the above configuration without departing from the spirit of the present invention.
  • the number of the fins 42 of the guide member 40 is four has been described.
  • the number of the fins 42 is not limited to four, and can be appropriately changed according to specifications and designs. For example, as shown in FIG. 4, only two fins 42 can be provided.
  • the guide member 40 has only two fins 42B, and these fins 42B extend in the same direction. Specifically, each fin 42B is inclined and extends from the other side to the one side in the width direction D1 as going from one side to the other side in the front-rear direction D2.
  • the fins 42B only need to extend in the same direction and may extend in parallel with each other, or may have different inclination angles with respect to the width direction D1.
  • the plurality of fins 42B extend obliquely in the same direction toward the slide damper 19. Thereby, the warm air can be smoothly guided to one side in the width direction D1 by the fins 42B. As a result, the flow can be such that the cold air and the hot air are switched, and the mixing of the hot air and the cold air can be promoted.
  • the second embodiment of the present invention has been described above. Note that various changes and modifications can be made to the above configuration without departing from the spirit of the present invention.
  • the number of the fins 42B of the guide member 40 is two has been described.
  • the number of the fins 42B is not limited to two, and can be appropriately changed according to specifications and design.
  • the fins 42B may be inclined and extend from one side to the other side in the width direction D1 as going from one side in the front-rear direction D2 to the other side, contrary to the above-described case.
  • the guide member 40 has only two fins 42C and 42D, and these fins 42C and 42D extend in different directions.
  • the fin 42C located on the other side in the width direction D1 extends from the other side in the width direction D1 to one side as going from one side in the front-rear direction D2 to the other side.
  • the fin 42D located on one side in the width direction D1 extends in the front-rear direction D2.
  • the plurality of fins 42C and 42D extend in the same direction toward the damper. Thereby, warm air can be guided smoothly. Furthermore, since the two fins 42C and 42D are arranged so as to gradually approach each other in the front-rear direction D2, the flow velocity of the warm air can be increased. As a result, mixing of the warm air and the cool air can be promoted.
  • the third embodiment of the present invention has been described above. Note that various changes and modifications can be made to the above configuration without departing from the spirit of the present invention.
  • the example in which the number of the fins 42C and 42D of the guide member 40 is two has been described.
  • the number of the fins 42C and 42D is not limited to two, and can be appropriately changed according to specifications and design.
  • the temperature inside the vehicle can be appropriately adjusted even if the installation space is small.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

Le but de la présente invention est de fournir un appareil de climatisation de véhicule qui nécessite peu d'espace pour l'installation, tout en étant apte à réguler de manière appropriée la température à l'intérieur d'un véhicule. L'appareil de climatisation de véhicule (10) comprend : un évaporateur (15) qui génère de l'air froid ; un noyau de chauffage (17) qui génère de l'air chaud ; un boîtier (11) qui délimite un espace de mélange d'air (11G) dans lequel l'air froid et l'air chaud sont mélangés ; un amortisseur coulissant (19) qui est disposé entre un orifice d'air froid (51) et un orifice d'air chaud (52) formés dans le boîtier (11) et qui se déplace de manière coulissante pour régler le rapport des ouvertures de l'orifice d'air froid (51) et de l'orifice d'air chaud (52) ; et un élément de guidage (40) qui est disposé en aval de l'amortisseur coulissant (19) et comprend une pluralité d'ailettes (42) disposées de manière séparée les unes des autres dans une direction de la largeur (D1) qui croise la direction d'écoulement d'air chaud.
PCT/JP2018/024842 2018-06-29 2018-06-29 Appareil de climatisation de véhicule WO2020003500A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2018536907A JP6457160B1 (ja) 2018-06-29 2018-06-29 車両用空調装置
CN201880093951.4A CN112292274B (zh) 2018-06-29 2018-06-29 车辆用空调装置
DE112018007784.5T DE112018007784T5 (de) 2018-06-29 2018-06-29 Klimatisierungsvorrichtung für Fahrzeuge
PCT/JP2018/024842 WO2020003500A1 (fr) 2018-06-29 2018-06-29 Appareil de climatisation de véhicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/024842 WO2020003500A1 (fr) 2018-06-29 2018-06-29 Appareil de climatisation de véhicule

Publications (1)

Publication Number Publication Date
WO2020003500A1 true WO2020003500A1 (fr) 2020-01-02

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PCT/JP2018/024842 WO2020003500A1 (fr) 2018-06-29 2018-06-29 Appareil de climatisation de véhicule

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JP (1) JP6457160B1 (fr)
CN (1) CN112292274B (fr)
DE (1) DE112018007784T5 (fr)
WO (1) WO2020003500A1 (fr)

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CN112325545A (zh) * 2020-11-27 2021-02-05 浙江冰盛制冷科技有限公司 一种冰箱用风门装置

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JP7350481B2 (ja) 2018-06-29 2023-09-26 三菱重工サーマルシステムズ株式会社 車両用空調装置

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