WO2018025532A1 - Système de climatisation pour véhicule - Google Patents

Système de climatisation pour véhicule Download PDF

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Publication number
WO2018025532A1
WO2018025532A1 PCT/JP2017/023396 JP2017023396W WO2018025532A1 WO 2018025532 A1 WO2018025532 A1 WO 2018025532A1 JP 2017023396 W JP2017023396 W JP 2017023396W WO 2018025532 A1 WO2018025532 A1 WO 2018025532A1
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WO
WIPO (PCT)
Prior art keywords
air
suction port
passage
fan
conditioning casing
Prior art date
Application number
PCT/JP2017/023396
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English (en)
Japanese (ja)
Inventor
俊 大森
Original Assignee
株式会社デンソー
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 株式会社デンソー filed Critical 株式会社デンソー
Priority to JP2018531771A priority Critical patent/JPWO2018025532A1/ja
Publication of WO2018025532A1 publication Critical patent/WO2018025532A1/fr

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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

Definitions

  • This disclosure relates to a vehicle air conditioner.
  • This disclosure aims at achieving both miniaturization and improvement of the operation balance of the blower.
  • a vehicle air conditioner includes an air conditioning casing having an air passage through which air flows, a cooling heat exchanger that is disposed in the air conditioning casing and cools air flowing through the air passage, and an air conditioning A heat exchanger for heating that heats the air cooled in the casing and is cooled by the heat exchanger for cooling, a cool air that flows into the heat exchanger for heating, and a bypass passage that flows around the heat exchanger for heating.
  • a temperature adjusting door that adjusts the air volume ratio of the cool air flowing into the air flow side, and an air conditioning casing that is arranged to rotate around the axis of the rotary shaft downstream of the cooling heat exchanger in the air flow downstream of the air flow of air.
  • a first fan that sucks air from a first suction port side that is formed on one end side in the axial direction of the rotating shaft and a second suction port that is formed on the other end side in the axial direction of the rotating shaft in the air conditioning casing.
  • a fan device having a second fan that sucks air from, and a passage through which air flows to one of the first suction port and the second suction port, and rotationally drives the fan device around the axis of the rotation shaft
  • the resistance of the air flowing in the other suction port of the first suction port and the second suction port which is arranged in the passage through which air flows to the other suction port of the motor body and the first suction port and the second suction port And a resistance member.
  • the motor main body is disposed in the passage through which air flows to one of the first suction port and the second suction port, and the other of the first suction port and the second suction port. Since the resistance member which becomes resistance of the air which flows into the other suction port of the 1st suction port and the 2nd suction port is arranged in the passage which flows air to the suction port of this, it is miniaturization and the operation balance of a fan Both improvements can be achieved.
  • FIG. 2 is a sectional view taken along line II-II in FIG. It is sectional drawing which looked at the indoor air-conditioning unit of the vehicle air conditioner of 2nd Embodiment from the vehicle left-right direction. It is sectional drawing which looked at the indoor air-conditioning unit of the vehicle air conditioner of 3rd Embodiment from the vehicle left-right direction. It is sectional drawing which looked at the indoor air-conditioning unit of the vehicle air conditioner of 4th Embodiment from the vehicle left-right direction. It is a figure for demonstrating a subject, Comprising: It is sectional drawing which looked at the indoor air conditioning unit of the vehicle air conditioner from the vehicle left-right direction.
  • FIG. 1 is a sectional view of an indoor air conditioning unit 10 of a vehicle air conditioner according to the present embodiment as viewed from the left-right direction of the vehicle
  • FIG. 2 is a sectional view taken along the line II-II in FIG.
  • the up and down and front and rear arrows in FIG. 1 and the up and down and left and right arrows in FIG. 2 indicate directions in the vehicle mounted state, respectively.
  • the indoor air-conditioning unit 10 includes an air-conditioning casing 11 that forms an outer shell of the indoor air-conditioning unit 10 and forms an air passage for indoor blown air that is blown toward the vehicle interior.
  • the air-conditioning casing 11 has a certain degree of elasticity and is formed of a resin that is excellent in strength.
  • the air conditioning casing 11 is configured using polypropylene.
  • the evaporator 13 is one of devices constituting a well-known vapor compression refrigeration cycle (not shown), and is used for cooling to cool indoor blown air by evaporating the low-pressure refrigerant in the refrigeration cycle and exhibiting an endothermic effect. It is a heat exchanger.
  • a thin plate-like air filter 14 is disposed on the air upstream side of the evaporator 13, and the air filter 14 removes dust and the like from the air flowing into the evaporator 13.
  • a heater core 15 is disposed on the vehicle rear side and the upper side on the downstream side of the air flow of the evaporator 13.
  • the heater core 15 heats high-temperature engine cooling water circulating in an engine cooling water circuit (not shown) into the interior, heat-exchanges the engine cooling water and the cold air cooled by the evaporator 13, and reheats the cold air. Heat exchanger.
  • bypass passage 16 is formed behind the evaporator 13 and below the heater core 15.
  • the bypass passage 16 is a passage through which the cool air that has passed through the evaporator 13 flows around the heater core 15.
  • an air mix door 17 is arranged on the downstream side of the air flow of the evaporator 13, as a temperature adjustment door that adjusts the air volume ratio between the cold air flowing into the heater core 15 side and the cold air flowing into the bypass passage 16 side.
  • the air mix door 17 adjusts the air volume ratio between the air volume that passes through the heater core 15 and the air volume that passes through the bypass passage 16 in the blown air that has passed through the evaporator 13 according to the rotation position of the air mix door 17. It functions as a temperature adjustment unit that adjusts the temperature of the air blown into the room.
  • the operation of the air mix door 17 is controlled by a control signal output from an air conditioning control device (not shown).
  • a scroll casing 25 is provided on the downstream side of the air flow of the heater core 15 and the bypass passage 16.
  • the scroll casing 25 constitutes a part of the air conditioning casing 11.
  • a fan device 20 and an electric motor 24 are arranged in the scroll casing 25.
  • the fan device 20 is arranged in the air conditioning casing 11 so as to rotate about an axis of a rotation axis J extending in the vertical direction downstream of the evaporator 13 from the evaporator 13. .
  • the fan device 20 blows air sucked in from the first suction port 111 provided on the lower side of the scroll casing 25 in the radially outward direction, and from the second suction port 112 side provided on the upper side of the scroll casing 25. It has a fan 22 that blows out the sucked air in the radially outward direction.
  • the fan device 20 includes the fan 21 that sucks air from the first suction port 111 side provided on the one axial end side of the rotating shaft J in the air conditioning casing 11 and the other axial end side of the rotating shaft J in the air conditioning casing. It has the fan 22 which sucks in air from the 2nd inlet 112 provided in the side.
  • an opening that communicates with the surface of the fan 21 on the first suction port 111 side is formed on the surface of the fan 21 that faces the fan 22.
  • an opening that communicates with the surface of the fan 22 on the second suction port 112 side is formed on the surface of the fan 22 that faces the fan 21.
  • the air sucked by the fan 21 from the first suction port 111 side is blown out from the fan 21 in the radially outward direction
  • the air sucked by the fan 22 from the second suction port 112 side is blown out from the fan 22 in the radially outward direction.
  • the fan 21 corresponds to the first fan
  • the fan 22 corresponds to the second fan.
  • the fan 21 and the fan 22 are connected by a shaft 24b of an electric motor 24 described later.
  • the electric motor 24 has a shaft 24b extending on both sides of the vehicle in the vertical direction, and a motor body 24a that rotationally drives the shaft 24b.
  • the motor body 24a has a cylindrical upper portion 241 having a cylindrical shape and a conical portion 242 having a conical shape.
  • the fan 21 and the fan 22 are centrifugal multiblade fans, and the fan 21 is fixed to the shaft 24 b of the electric motor 24.
  • the fan device 20 can suck air from both sides of the rotary shaft J and blow it out in the radially outward direction.
  • the scroll casing 25 houses the fans 21 and 22 of the fan device 20 and forms an outflow air passage through which the air flowing out of the fans 21 and 22 passes.
  • the scroll casing 25 is formed in a spiral shape in which the cross-sectional area of the outflow air passage gradually increases in the direction of rotation of the fans 21 and 22 of the fan device 20.
  • the scroll casing 25 includes two suction ports provided on both sides of the rotation axis direction, and a blow-out port for blowing the blown air blown from the fan 22 upward.
  • a partition wall 18 is formed inside the air conditioning casing 11 on the rear side of the heater core 15 in the vehicle. As shown in FIG. 1, the partition wall 18 guides hot air blown from the evaporator 13 through the heater core 15 to the fan 22, and cool air blown from the evaporator 13 through the bypass passage 16 to the fan 21.
  • a guide wall for guiding to is constructed.
  • a first passage 111 a for flowing air to the first suction port 111 is formed between the partition wall 18 and the first suction port 111, and between the partition wall 18 and the second suction port 112. Is formed with a second passage 112 a for flowing air to the second suction port 112.
  • the motor main body 24a of the present embodiment is arranged so as to be hard to enter the inside of the fan 21 of the fan device 20 from the first suction port 111 side for miniaturization. Specifically, a part of the conical part 242 of the motor main body 24 a is arranged so as to be difficult to fit inside the fan 21. For this reason, the central portion of the first suction port 111 is in a state of being blocked by the motor body 24 a of the electric motor 24.
  • a resistance member 30 serving as a resistance of the air flowing through the second passage 112a is provided in the second passage 112a through which air flows to the second suction port 112 inside the air conditioning casing 11.
  • the resistance member 30 has a convex portion 31 that protrudes from the wall surface of the air conditioning casing 11 toward the passage 112 a reaching the second suction port 112 inside the air conditioning casing 11.
  • the convex part 31 is comprised using resin, and has comprised the same shape as the motor main body 24a.
  • the convex portion 31 has a cylindrical upper portion 311 having a cylindrical shape and a conical portion 312 having a conical shape.
  • the convex portion 31 is formed integrally with the air conditioning casing 11.
  • the cylinder upper part 311 has the same shape as the cylinder upper part 241 of the motor main body 24a
  • the conical part 312 has the same shape as the conical part 242 of the motor main body 24a.
  • a part of the conical portion 312 of the convex portion 31 is disposed so as to be difficult to enter inside the fan 22 of the fan device 20.
  • the blown air blown out from the scroll casing 25 is led to an air outlet (not shown) through an air passage 40 provided on the air flow downstream side of the fan device 20 inside the air conditioning casing 11.
  • the air outlet includes a face air outlet, a foot air outlet, and a defroster air outlet.
  • the face air outlet is an air outlet that blows out the air flow flowing through the air passage 40 toward the upper body of the occupant
  • the foot air outlet is an air outlet that blows out the air flow flowing through the air passage 40 toward the occupant's feet.
  • the defroster air outlet is an air outlet that blows out the airflow flowing through the air passage 40 toward the inner surface of the vehicle windshield.
  • the blowout mode doors 36 and 37 are constituted by rotary doors that are rotatably supported with respect to the air conditioning casing 11. By rotating the blowing mode doors 36 and 37, the amount of airflow flowing through each outlet is adjusted.
  • the electric motor 24 drives the fan device 20 to rotate. Then, the fan 21 sucks air from the first suction port 111 of the scroll casing 25 and the fan 22 sucks air from the second suction port 112 of the scroll casing 25.
  • the air sucked by the fan 21 and the fan 22 is blown out from an air outlet (not shown) through the air passage 40 provided on the downstream side of the air flow from the fan device 20 inside the scroll casing 25.
  • the motor main body 24 a of the electric motor 24 is disposed in the passage 111 a for flowing air to the first suction port 111. More specifically, a part of the motor main body 24a of the electric motor 24 is arranged so as to be hard to enter the inside of the fan 21 of the fan device 20 from the first suction port 111 side. For this reason, the central portion of the first suction port 111 is in a state of being blocked by the motor body 24 a of the electric motor 24. For this reason, the fan 21 has a large suction resistance and is inefficient.
  • the convex portion 31 is arranged so as to be hard to enter the inside of the fan device 20 from the second suction port 112 side, and the central portion of the second suction port 112 is blocked by the convex portion 31. It has become. For this reason, the fan 22 also has a large suction resistance and is inefficient.
  • the second suction port 112 is provided with a convex portion 31 that matches the resistance of the air flowing through the second suction port 112 with the resistance of the air flowing through the first suction port 111. Therefore, the operation balance of the upper and lower fans 21 and 22 can be adjusted by the convex portion 31.
  • the motor main body 24a is disposed in the passage 112a for flowing air to the first suction port 111, and the passage 112a for flowing air to the second suction port 112 has air flowing into the second suction port 112. Since the resistance member 30 serving as a resistor is disposed, it is possible to achieve both reduction in size and improvement in the operation balance of the blower.
  • the resistance member 30 has a convex portion 31 that protrudes from the wall surface of the air conditioning casing 11 toward the passage 112 a that reaches the second suction port 112.
  • the resistance member 30 can also be configured by the convex portion 31 protruding from the wall surface of the air conditioning casing 11 toward the passage 112a.
  • the convex part 31 has the same shape as the motor main body 24a, the resistance of the air flowing through the second suction port 112 can be matched with the resistance of the air flowing through the first suction port 111, so Noise balance can be improved.
  • FIG. 3 is a cross-sectional view of the indoor air conditioning unit 10 of the vehicle air conditioner according to the second embodiment as viewed from the left-right direction of the vehicle.
  • the resistance member 30 used as the resistance of the air which flows into the 2nd inlet 112 was comprised by the convex part 31 which protrudes from the wall surface of the air-conditioning casing 11 toward the channel
  • the resistance member 30 is configured by the guide 34 that guides the air flowing through the passage 112a leading to the second suction port 112 to the second suction port 112 side.
  • the guide 34 is formed on the wall surface of the air conditioning casing 11 so as to provide resistance to the air flowing through the second suction port 112. Thus, since the guide 34 becomes resistance of the air which flows into the 2nd inlet 112, the operation balance of the upper and lower fans 21 and 22 can be improved.
  • the guide 34 is formed at a location outside the range through which the main flow of the air flowing through the second suction port 112 passes through the passage 112 a reaching the second suction port 112, and flows through the passage 112 a leading to the second suction port 112. Air is guided to the second suction port 112 side.
  • the guide 34 guides the air flowing through the passage 112a leading to the second suction port 112 to the second suction port 112 side, and deviates from the range through which the main flow of air flowing through the second suction port 112 passes. Since generation
  • the resistance member 30 has the guide 34 that guides the air flowing through the passage 112a leading to the second suction port 112 to the second suction port 112 side.
  • the resistance member 30 can be configured by the guide 34 that guides the air flowing through the passage 112a leading to the second suction port 112 to the second suction port 112 side.
  • FIG. 4 is a cross-sectional view of the indoor air conditioning unit 10 of the vehicle air conditioner according to the present embodiment as viewed from the left-right direction of the vehicle.
  • the resistance member 30 is configured by a maze constituting member 32 in which the passage 112a reaching the second suction port 112 has a maze structure.
  • the maze constituting member 32 is a member having a maze structure in the passage 112a reaching the second suction port 112, and is made of resin.
  • the maze constituting member 32 is formed in the air conditioning casing 11 so as to be a resistance of the air flowing through the second suction port 112.
  • the maze component 32 becomes resistance of the air which flows into the 2nd inlet 112, the ventilation noise balance of the upper and lower fans 21 and 22 can be improved.
  • the maze constituting member 32 has a bending portion 321 that changes the direction of the air flowing through the passage 112a leading to the second suction port 112.
  • the air flowing through the air passage on the upstream side of the partition wall 18 is redirected to the labyrinth component 32 side by the partition wall 18, and then redirected to the passage 112 a side by the bent portion 321. 2 is sucked into the suction port 112.
  • the resistance member 30 includes the member 32 having a labyrinth structure as the passage 112a leading to the second suction port 112. As described above, the resistance member 30 can be configured by the member 32 having the maze structure in the passage 112a leading to the second suction port 112.
  • FIG. 5 is a cross-sectional view of the indoor air conditioning unit 10 of the vehicle air conditioner according to this embodiment as viewed from the left-right direction of the vehicle.
  • the resistance member 30 is configured by the mesh constituent member 33 having a mesh structure disposed in the passage 112 a leading to the second suction port 112.
  • the mesh constituent member 33 is made of a resin formed in a lattice shape, and is disposed in a passage 112 a that reaches the second suction port 112.
  • the mesh constituent member 33 is formed in the air conditioning casing 11 so as to provide resistance to air flowing through the second suction port 112.
  • the resistance member 30 includes the mesh constituent member 33 having a mesh structure disposed in the passage 112a leading to the second suction port 112. As described above, the resistance member 30 can be configured by the mesh constituent member 33 having a mesh structure disposed in the passage 112 a leading to the second suction port 112.
  • the motor main body 24a is disposed so as to be hard to enter the inside of the fan device 20 from the first suction port 111 side, and the second suction port is provided in the passage 112a through which air flows to the second suction port 112.
  • a resistance member 30 serving as resistance of air flowing to 112 is disposed.
  • the motor main body 24a is arranged so as to be hard to enter the inside of the fan device 20 from the second suction port 112 side, and the air flowing through the first suction port 111 is passed through the passage 111a that flows air to the first suction port 111.
  • the direction of the air conditioning casing is not limited to the direction described in the above embodiments.
  • the heater core 15 may be arranged on the downstream side of the air flow of the fan device 20. That is, the air may flow in the order of the air filter 14 ⁇ the evaporator 13 ⁇ the fan device 20 ⁇ the air mix door 17 ⁇ the heater core 15 ⁇ the blowing mode doors 36 and 37 ⁇ the face outlet, the defroster outlet, and the foot outlet. Good. Moreover, it can also be set as the structure which does not provide a filter.
  • the resistance member 30 is configured to protrude from the wall surface of the air conditioning casing 11. In addition, you may make it arrange
  • the convex part 31 was comprised using resin, you may comprise the resistance member 30 using members other than resin.
  • the convex portion 31 bites into the fan 22.
  • the height in the vertical direction of the convex portion 31 may be lower than that in the first embodiment within a range where the operation balance of the upper and lower fans 21 and 22 is matched.
  • the shape of the convex portion 31 may be variously changed within a range in which the operation balance of the upper and lower fans 21 and 22 is matched.
  • a motor main body is arrange
  • a resistance member serving as a resistance of the air flowing to the other suction port of the first suction port and the second suction port is disposed.
  • the resistance member is a member having a shape protruding from the wall surface of the air conditioning casing facing the other suction port toward the other suction port.
  • the resistance member has the convex part which protrudes from the wall surface of an air-conditioning casing toward the path
  • a resistance member can be comprised by the convex part which protrudes from the wall surface of an air-conditioning casing toward the path
  • the resistance member has a guide for guiding the air flowing through the passage leading to the other suction port to the other suction port side.
  • the resistance member can be configured by a guide that guides the air flowing through the passage leading to the other suction port to the other suction port side.
  • the guide guides the air flowing through the passage leading to the other suction port to the other suction port side, and the generation of vortices is suppressed at a location outside the range through which the main flow of air flowing to the other suction port passes. The blowing noise can also be reduced.
  • the resistance member has a member having a maze structure in the passage leading to the other suction port.
  • a resistance member can be comprised by the member which makes the path
  • the resistance member has a mesh structure member arranged in the passage leading to the other suction port.
  • a resistance member can be comprised with the member of the mesh structure arrange

Abstract

Dispositif de climatisation de véhicule comprenant un boîtier de climatisation (11), un échangeur de chaleur à refroidissement (13), un échangeur de chaleur à chauffage (15), une porte d'ajustement de température (17) et un dispositif de ventilateur (20) qui est disposé sur le côté aval de l'échangeur de chaleur à refroidissement dans la direction d'écoulement d'air. Le dispositif de ventilateur comporte un premier ventilateur (21) qui aspire l'air à partir d'un premier orifice d'aspiration (111) formé sur une première extrémité dans la direction axiale et un second ventilateur (22) qui aspire l'air à partir d'un second orifice d'aspiration (112) formé sur l'autre extrémité dans la direction axiale. Un corps de moteur (24a) est disposé dans un chemin (111a) pour permettre à l'air de s'écouler dans un orifice parmi le premier orifice d'aspiration et le second orifice d'aspiration, et entraîne le dispositif de ventilateur de manière à pouvoir tourner autour de l'arbre rotatif. Un élément de résistance (30) est disposé dans un chemin (112a) pour permettre à l'air de s'écouler dans l'autre orifice d'aspiration, et sert de résistance à l'air s'écoulant dans l'autre orifice d'aspiration.
PCT/JP2017/023396 2016-08-01 2017-06-26 Système de climatisation pour véhicule WO2018025532A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018531771A JPWO2018025532A1 (ja) 2016-08-01 2017-06-26 車両用空調装置

Applications Claiming Priority (2)

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JP2016-151386 2016-08-01
JP2016151386 2016-08-01

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WO2018025532A1 true WO2018025532A1 (fr) 2018-02-08

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PCT/JP2017/023396 WO2018025532A1 (fr) 2016-08-01 2017-06-26 Système de climatisation pour véhicule

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113859287A (zh) * 2021-11-05 2021-12-31 中车株洲电力机车有限公司 一种轨道客车低噪声空调通风系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004161108A (ja) * 2002-11-12 2004-06-10 Apisute:Kk 空調装置
JP2010121616A (ja) * 2008-10-22 2010-06-03 Daikin Ind Ltd 送風装置
JP2015083449A (ja) * 2013-09-20 2015-04-30 株式会社デンソー 空調ユニット

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004161108A (ja) * 2002-11-12 2004-06-10 Apisute:Kk 空調装置
JP2010121616A (ja) * 2008-10-22 2010-06-03 Daikin Ind Ltd 送風装置
JP2015083449A (ja) * 2013-09-20 2015-04-30 株式会社デンソー 空調ユニット

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113859287A (zh) * 2021-11-05 2021-12-31 中车株洲电力机车有限公司 一种轨道客车低噪声空调通风系统
WO2023077614A1 (fr) * 2021-11-05 2023-05-11 中车株洲电力机车有限公司 Système de ventilation de climatiseur à faible bruit pour voiture ferroviaire

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