CN108973583A - Air conditioner for motor vehicle - Google Patents
Air conditioner for motor vehicle Download PDFInfo
- Publication number
- CN108973583A CN108973583A CN201810462497.7A CN201810462497A CN108973583A CN 108973583 A CN108973583 A CN 108973583A CN 201810462497 A CN201810462497 A CN 201810462497A CN 108973583 A CN108973583 A CN 108973583A
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- China
- Prior art keywords
- air
- distribution channel
- change portion
- circulating direction
- heat exchanger
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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
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—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
- B60H1/00042—Air flow details of HVAC devices for sending an air stream of uniform temperature into the passenger compartment the air passing only one heat exchanger
-
- 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
- B60H2001/00114—Heating or cooling details
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides a kind of air conditioner for motor vehicle, by making the air to circulate in air communication passage throughout the entire surface of heat exchanger for cooling uniformly across so as to improve the heat exchanger effectiveness in heat exchanger for cooling.Circulating direction change portion (216a) is equipped on the face opposite with the end face towards air circulation direction upstream side of evaporator (15) of the first air communication passage (216), above-mentioned circulating direction change portion (216a) vertically extends, and it is prominent to evaporator (15) side, to change the circulating direction of the air to circulate in the first air communication passage (216), circulating direction change portion (216a) on the downside of first air communication passage (216) towards evaporator (15) side it is outstanding be dimensioned so as to it is bigger towards evaporator (15) side size outstanding than the circulating direction change portion (216a) on the upside of the first air communication passage (216).
Description
Technical field
The present invention relates to such as blowing units and air-conditioning unit to be mutually arranged car air-conditioner in a width direction of the vehicle
Device.
Background technique
In the past, as this air conditioner for motor vehicle, it is known that such as flowering structure, comprising: air-conditioner housing, above-mentioned air-conditioner housing are formed
There is air communication passage；And heat exchanger for cooling, above-mentioned heat exchanger for cooling are configured at air communication passage, and to
The air to circulate in air communication passage is cooled down, and air communication passage includes upstream side distribution channel, above-mentioned upstream effluent
Road is located at the air circulation direction upstream side of heat exchanger for cooling all；And downstream side distribution channel, above-mentioned downstream effluent
Road is located at the air circulation direction downstream side of heat exchanger for cooling all, and upstream side distribution channel is formed as being handed over from cooling with heat
Parallel operation is put down towards air circulation direction upstream side, and with the end face towards air circulation direction upstream side of heat exchanger for cooling
Capablely horizontally extending, downstream side distribution channel is formed to have roughly the same with the width dimensions of heat exchanger for cooling
Width dimensions, and from the upper side with the space flowed into for the air that is flowed through in heat exchanger for cooling to keep broad-ruler
Very little mode extends, the end face towards air circulation direction upstream side with heat exchanger for cooling of distribution channel in upstream side
On opposite face, it is equipped with circulating direction change portion, above-mentioned circulating direction change portion vertically extends, and to cooling hot
Exchanger side is prominent, and is changed the circulating direction of the air to circulate in the distribution channel of upstream side (for example, referring to patent
Document 1).
Existing technical literature
Patent document
Patent document 1: No. 4715857 bulletin of Japanese Patent Laid
In above-mentioned air conditioner for motor vehicle, circulated in the distribution channel of upstream side by circulating direction change portion, change
The circulating direction of portion of air, and the entire length of the air discharge opening extended parallel to from the end face with heat exchanger for cooling
Edge direction equably spues air.
In above-mentioned air conditioner for motor vehicle, what the air that downstream side access flows through in heat exchanger for cooling from confession flowed into
The upper side in space extends upward or sideways.Thus, in the upstream side distribution channel of above-mentioned air conditioner for motor vehicle, in cooling
In space with the upstream side distribution channel towards air circulation direction upstream side of heat exchanger, top is biased in the flowing of air
Side cocurrent supercooling heat exchanger.Thus, in above-mentioned air conditioner for motor vehicle, can not make to circulate in air communication passage
Air is flowed evenly through throughout the entire surface of heat exchanger for cooling, so that the heat exchanger effectiveness in heat exchanger for cooling drops
It is low.
Summary of the invention
The purpose of the present invention is to provide a kind of air conditioner for motor vehicle, by making the air to circulate in air communication passage
Entire surface throughout heat exchanger for cooling flows evenly through, so as to improve the heat exchanger effectiveness in heat exchanger for cooling.
To achieve the goals above, the present invention includes: air-conditioner housing, and above-mentioned air-conditioner housing is formed with air communication passage；
And heat exchanger for cooling, above-mentioned heat exchanger for cooling are configured at air communication passage, and in air communication passage
The air of circulation is cooled down, and air communication passage includes upstream side distribution channel, and above-mentioned upstream side distribution channel is located at cooling
With the air circulation direction upstream side of heat exchanger；And downstream side distribution channel, above-mentioned downstream side distribution channel are located at cooling
With the air circulation direction downstream side of heat exchanger, upstream side distribution channel is formed as from heat exchanger for cooling to air circulation
Direction upstream side, and prolong in the horizontal direction in parallel with the end face towards air circulation direction upstream side of heat exchanger for cooling
It stretches, downstream side distribution channel includes the first downstream side distribution channel, and above-mentioned first downstream side distribution channel is for through supercooling warm
The air of exchanger flows into；And the second downstream side distribution channel, above-mentioned second downstream side distribution channel and the first downstream effluent
The space connection of the upper side on road all, it is in the distribution channel of upstream side and heat exchanger for cooling towards air circulation
On the opposite face in the end face of direction upstream side, it is equipped with circulating direction change portion, above-mentioned circulating direction change portion prolongs along the vertical direction
It stretches, and prominent to heat exchanger for cooling side, and changes the circulating direction of the air to circulate in the distribution channel of upstream side, on
Circulating direction change portion on the downside of trip side distribution channel is dimensioned so as to heat exchanger for cooling side is outstanding than upstream effluent
The circulating direction change portion of road side is big to heat exchanger for cooling side size outstanding all.
Whereby, a part of the air to circulate in the downside of upstream side distribution channel is to the downside of heat exchanger for cooling
Part positioned at the upstream side in air circulation direction is circulated, to make the air to circulate in the distribution channel of upstream side throughout cooling
With the entire surface of heat exchanger uniformly across.
According to the present invention, since the air to circulate in the distribution channel of upstream side can be made throughout the whole of heat exchanger for cooling
Therefore a face is uniformly across, capable of improving the heat exchanger effectiveness of the air and refrigerant in heat exchanger for cooling.
Detailed description of the invention
Fig. 1 is the schematic configuration diagram for indicating the air conditioner for motor vehicle of an embodiment of the present invention.
Fig. 2 is the perspective view of air-conditioning unit.
Fig. 3 is the main view of blowing unit and air-conditioning unit.
Fig. 4 is the A-A cross-sectional view of Fig. 3.
Fig. 5 is the circulating direction change portion and secondary circulating direction change portion for indicating the upside of the first air communication passage
Figure.
Fig. 6 is the circulating direction change portion and secondary circulating direction change portion for indicating the downside of the first air communication passage
Figure.
Fig. 7 is the side sectional view for indicating the air-conditioning unit of another embodiment of the present invention.
(symbol description)
10 air conditioner for motor vehicle；15 evaporators；16 heater cores；100 blowing units；200 air-conditioning units；210 air-conditioning shells
Body；216 first air communication passages；216a, 216a1 circulating direction change portion；216b pair circulating direction change portion；217 second
Air communication passage；The space 217a；217b, 217c interconnecting part；218 third air communication passages；218a partition wall；219 the 4th
Air communication passage.
Specific embodiment
Fig. 1 to Fig. 6 indicates one embodiment of the present invention.In addition, indicating front-rear direction, left and right directions in present embodiment
The record of (width direction) and up and down direction corresponds to the front-rear direction of the vehicle including air conditioner for motor vehicle of the invention, left and right
Direction (width direction) and up and down direction.
Air conditioner for motor vehicle 10 of the invention carries out refrigeration operation for reducing the temperature in car room C, for making vehicle
The heating operation that temperature in the C of room rises and the dehumidifying operating for reducing the humidity in car room C.
As shown in Figure 1, air conditioner for motor vehicle 10 has refrigerant circuit 11, above-mentioned refrigerant circuit 11 is used as to supply extremely
Air in car room C is cooled down and is dehumidified.
In refrigerant circuit 11, compressor 12, condenser 13, expansion valve 14, the evaporation as heat exchanger for cooling
Device 15 is connected by the metal pipe such as copper, aluminium, wherein above-mentioned compressor 12 is for compressing simultaneously the refrigerant of sucking
It spues, for condensing to the refrigerant to spue from compressor 12, above-mentioned expansion valve 14 is used for cold above-mentioned condenser 13
The refrigerant condensed in condenser 13 is depressurized, and the refrigerant after above-mentioned evaporator 15 is used to make to depressurize in expansion valve 14 steams
Hair.
In addition, as shown in Figure 1, air conditioner for motor vehicle 10 includes the heater core 16 as heating device, above-mentioned heater
Core 16 is used to heat supply to the air in car room C.Heater core 16 starts with for carrying out cooling to engine E
Machine cooling circuit 17 connects.Heater core 16 passes through the engine cooling water for making to absorb the heat being discharged from engine E and supply
Air heat exchange in car room C, to be heated to supply to the air in car room C.
As shown in Figure 1, air conditioner for motor vehicle 10 includes: blowing unit 100, above-mentioned blowing unit 100 is for sucking car room C
A side in air or two sides in outer air and car room C simultaneously spue；And air-conditioning unit 200, above-mentioned air-conditioning unit 200 exist
It is disposed adjacent, and the air sent from blowing unit 100 is carried out cold in the direction of the width with blowing unit 100 on the inside of car room C
But it or heats, and supplies to car room C.
Blowing unit 100 includes pressure fan, and above-mentioned pressure fan is driven by the power of motor；And air sucting,
Above-mentioned air sucting is adjusted the respective ratio of air in the air and car room C outside car room C and is drawn into pressure fan.
Blowing unit 100 is in a generally horizontal direction to 200 discharge air of air-conditioning unit adjacent in a width direction of the vehicle.
As shown in figure 4, air-conditioning unit 200 includes air-conditioner housing 210, above-mentioned air-conditioner housing 210 can be for air stream in inside
It is logical；Evaporator 15, above-mentioned evaporator 15 is for cooling down the air to circulate in air-conditioner housing 210；Heater core 16, on
Heater core 16 is stated for heating to the air in air-conditioner housing 210；Air mixing baffle 220, above-mentioned air mixing gear
The air quantity for passing through the air that heater core 16 heats in the air to circulate in air-conditioner housing 210 is adjusted in plate 220；First
Baffle 230, above-mentioned first baffle 230 are used for from the central ventilated (Japanese: セ ン タ ー ベ Application ト) in car room C, blow-off outlet is (not
Diagram) and the flow of air of side-vented (Japanese: サ イ De ベ Application ト) blow-off outlet blowout (not shown) be adjusted；Second
Baffle 240, above-mentioned second baffle 240 are used for the sky blown out from demister (Japanese: the デ Off ロ ス タ) blow-off outlet in car room C
The flow of gas is adjusted；And third baffle 250, above-mentioned third baffle 250 are used for from vola (Japanese: Off ッ ト) blow-off outlet
The flow of the air of blowout (not shown) is adjusted.
Air-conditioner housing 210 is the component for being for example formed as hollow box-like by the injection molding of synthetic resin material.Such as
Shown in Fig. 2 and Fig. 3, by utilizing the fastening members such as screw bolt and nut, by the lower case as the housing member for being located at lower side
Body 210a, as one side of width direction (left side, in Fig. 3 be right side) for being located at upper side housing member the first upper case
Body 210b, as the width direction another party (right side, in Fig. 3 be left side) for being located at upper side the second upper body 210c that
This assembles and forms air-conditioner housing 210.
It is flowed into as shown in figure 3, the front side in the face of 100 side of blowing unit in air-conditioner housing 210 in the direction of the width is equipped with
Opening 211, above-mentioned inlet opening 211 is for flowing into the air sent from blowing unit 100.As shown in figure 4, in air-conditioner housing
At the front-rear direction central portion and width direction central portion of 210 upper surface, the central ventilated that is connected to central ventilated blow-off outlet
Opening 212 is arranged to face to top.In the width direction two sides of central ventilated opening 212, it is connected to side-vented blow-off outlet
A pair of of side-vented opening 213 is arranged to face to top.In addition, the central ventilated in the upper surface of air-conditioner housing 210 is open
212 and a pair of of side-vented opening 213 front, demister be connected to demister blow-off outlet, which is open, 214 to be arranged to along width
Direction extends, and towards top.In addition, in the rear side of air-conditioner housing 210, the vola opening 215 that is connected to vola blow-off outlet
It is arranged to extend in the width direction, and downwards.
As shown in figure 4, being configured with evaporator 15 in air-conditioner housing 210 in front side, being configured in the rear side of evaporator 15
Heater core 16.Evaporator 15 and heater core 16 are with longitudinal direction towards width direction, and short side direction is towards generally
The posture in lower direction configures in air-conditioner housing 210.Evaporator 15 and heater core 16 are respective upwardly facing air circulation direction
The end face of upstream side is towards front and respectively faces the end face in air circulation direction downstream side towards the posture at rear, and configuration exists
In air-conditioner housing 210.
The first air communication passage 216 as upstream side distribution channel is formed in air-conditioner housing 210, as downstream
Second air communication passage 217 of side distribution channel (the first downstream side distribution channel), as downstream side distribution channel (under second
Swim side distribution channel) third air communication passage 218 and as downstream side distribution channel (the second downstream side distribution channel)
4th air communication passage 219, wherein above-mentioned first air communication passage 216 supplies the air direction flowed into from inlet opening 211
Evaporator 15 circulates, and above-mentioned second air communication passage 217 is flowed into for the air passed through in evaporator 15, above-mentioned third air
Distribution channel 218 in the second air communication passage 217 for circulating and by the air circulation of heater core 16, above-mentioned 4th sky
The side or two sides that gas distribution channel 219 is supplied from the second air communication passage 217 and third air communication passage 218 flow into,
And the air circulation flowed out from central ventilation orifice 212, side-vented opening 213, demister opening 214 and vola opening 215.
As shown in Figure 5 and Figure 6, the first air communication passage 216 is from evaporator 15 towards inlet opening 211, and towards and steaming
The end face for sending out the upstream side towards air circulation direction of device 15 extends in a generally horizontal direction substantially in parallel.
As shown in figure 4, in the first air communication passage 216 and evaporator 15 towards air circulation direction upstream
The opposite face in the end face of side, is equipped with circulating direction change portion 216a and secondary circulating direction change portion 216b, and above-mentioned circulating direction changes
The circulation side for the air that change portion 216a and pair circulating direction change portion 216b is used to make to circulate in the first air communication passage 216
To towards 15 side of evaporator.
Circulating direction change portion 216a is set in the first air communication passage 216 and evaporator 15 throughout up and down direction
The opposite face in end face on.Circulating direction change portion 216a is set to end in the first air communication passage 216, with evaporator 15
The end of the end of the slave air circulation direction upstream side in face downstream is located at the one third of the width dimensions of evaporator 15
At the corresponding position in part.Circulating direction change portion 216a is circulating direction of the circulating direction downstream side of air relative to air
Lateral 15 side of the evaporator layer outstanding in upstream is poor, and the front and back of the first air communication passage 216 in the downstream side of layer difference
The front-rear direction size of the upstream side poorer than layer to size is small.In addition, circulating direction change portion 216a is formed as in the first air
In the up and down direction of distribution channel 216, the protruding towards 15 side of evaporator than upside towards 15 side of evaporator size outstanding of downside
Size it is big.Circulating direction change portion 216a is formed in the inside of lower case 210a and the inside of the first upper body 210b.
As shown in figure 5, the circulating direction change portion 216a of the first side upper body 210b spreads upper and lower with defined height dimension H1U
It is identical to being shaped generally as, as shown in fig. 6, the circulating direction change portion 216a of the side lower case 210a is than the first upper body
The height dimension H1U of the side 210b big height dimension H1L is shaped generally as identical throughout up and down direction.That is, as shown in figure 4, stream
Logical direction change portion 216a has layer poor between lower case 210a and the first upper body 210b.
Secondary circulating direction change portion 216b changes throughout the circulating direction that up and down direction is set in the first air communication passage 216
The air circulation direction downstream side of change portion 216a.Secondary circulating direction change portion 216b be set to the first air communication passage 216, with
The width positioned at evaporator 15 of the end of the end of the slave air circulation direction upstream side of the end face of evaporator 15 downstream
At the corresponding position in 2/3rds part of size.Secondary circulating direction change portion 216b is the circulating direction downstream side phase of air
15 side of evaporator lateral for the circulating direction upstream of air layer outstanding is poor, and first air stream in the downstream side of layer difference is all
The front-rear direction size of the front-rear direction size on road 216 upstream side poorer than floor is small.
In addition, pair circulating direction change portion 216b is formed as, in the up and down direction of the first air communication passage 216, on
Side it is bigger towards evaporator 15 side size outstanding than downside towards 15 side of evaporator size outstanding.Secondary circulating direction change portion
216b is formed in the inside of lower case 210a and the inside of the second upper body 210c.As shown in figure 5, the second upper body
The secondary circulating direction change portion 216b of the side 210c with defined height dimension H2U throughout up and down direction be shaped generally as it is identical, such as
Shown in Fig. 6, the secondary circulating direction change portion 216b of the side lower case 210a is with the height dimension than the second side upper body 210c
H2U small height dimension H2L is shaped generally as identical throughout up and down direction.Secondary circulating direction change portion 216b is in lower case
The height dimension of the side 210a is different from the height dimension of the second side upper body 210c.However, being configured to the side lower case 210a
Circulating direction change portion 216a height dimension H1L and secondary circulating direction change portion 216b height dimension H2L total height
It spends on the height dimension H1U and second of the circulating direction change portion 216a of size (H1L+H2L) and the first side upper body 210b
Total height dimension (H1U+H2U) of the height dimension H2U of the secondary circulating direction change portion 216b of the portion side shell 210c is identical
Height dimension.Thus, in the circulating direction downstream side of the air of secondary circulating direction change portion 216b, as shown in figure 4, lower case
The inner surface of the inner surface of body 210a and the second upper body 210c are formed as coplanar.
Second air communication passage 217 is formed in the air circulation direction downstream side of evaporator 15, the space of upper side
The rear surface of 217a is connected to, the upper table of the space 217a of upper side via interconnecting part 217b with third air communication passage 218
Face is connected to via interconnecting part 217c with the 4th air communication passage 219.
Third air communication passage 218 is configured at the rear of the space 217a of the upper side of the second air communication passage 217.
It is equipped with partition wall 218a in the lower section of interconnecting part 217b, above-mentioned partition wall 218a is empty by the second air communication passage 217 and third
Gas distribution channel 218 separates.Partition wall 218a be for because prevent air in evaporator 15 it is cooling due to the dew that generates from
The component of second air communication passage 217 intrusion third air communication passage 218.It is configured in third air communication passage 218
Having heaters core 16, the downstream side in the air circulation direction of heater core 16 be bent upward and with the 4th air communication passage
219 connections.
4th air communication passage 219 is configured at the upper of the second air communication passage 217 and third air communication passage 218
Side.In the 4th air communication passage 219, it is open the 213 flow path quilts being connected to central ventilated opening 212 and a pair of of side-vented
First baffle 230 is opened, is closed, and the flow path being connected to demister opening 214 is opened by second baffle 240, closed, and is opened with vola
The flow paths of 215 connection of mouth are opened by third baffle 250, are closed.
Air mixing baffle 220 is the tabular component of the rectangle extended in the width direction, via from long side direction both ends
Short side direction one end fulcrum free swaying ground supporting outstanding in air-conditioner housing 210.Air mixing baffle 220 can be by not
The motor drive of diagram, and its aperture is adjusted according to the temperature for the air being blown out in car room C.
When the short side direction for making air mixing baffle 220 another side downward and towards the rear rotation and by interconnecting part
When 217b is closed, interconnecting part 217c is opened.At this point, first path is formed in air-conditioner housing 210, in above-mentioned first path
In, air with the first air communication passage 216, the second air communication passage 217, the 4th air communication passage 219 sequential flow
It is logical.
In addition, when the another side for the short side direction for making air mixing baffle 220 rotates upward and forward and will be even
When logical portion 217c closing, interconnecting part 217b is opened.At this point, the second path is formed in air-conditioner housing 210, on above-mentioned second tunnel
In diameter, air is empty with the first air communication passage 216, the second air communication passage 217, third air communication passage the 218, the 4th
The sequence of gas distribution channel 219 circulates.
In addition, when making the another side of the short side direction of air mixing baffle 220 be located at interconnecting part 217b and interconnecting part
When between 217c, interconnecting part 217b is opened simultaneously with interconnecting part 217c.At this point, being formed simultaneously with first in air-conditioner housing 210
Path and the second path.
The air communication passage of the air circulation direction upstream side of evaporator 15 in first path and the second path is from steaming
Device 15 is sent out to air circulation direction upstream side, and substantially flat with the end face of the upstream side towards air circulation direction of evaporator 15
It is capablely horizontally extending.In addition, the air circulation direction downstream side of the evaporator 15 in first path and the second path
Air communication passage is from the space of the upper side of second air communication passage 217 in the air circulation direction downstream side of evaporator 15
217a in a manner of keeping the width dimensions roughly the same with the width dimensions of evaporator 15 upward or rear extend.
In air conditioner for motor vehicle formed as described above, from the air that blowing unit 100 is sent from air-conditioner housing 210
Inlet opening 211 flows into the first air communication passage 216.The air of the first air communication passage 216 is flowed into along approximate horizontal
Direction circulation, and the direction of circulating direction is changed to rear in the space in the front of evaporator 15 and passes through evaporator 15.Through
The pervaporation device 15 and air for flowing into the second air communication passage 217 flows directly into the 4th air communication passage 219, or via
Third air communication passage 218 flows into the 4th air communication passage 219, and is open from central ventilation orifice 212, side-vented
213, any of demister opening 214 and vola opening 215 outflow.
Here, the air communication passage of the air circulation direction upstream side of the evaporator 15 in air-conditioner housing 210 is from evaporation
Device 15 is to inlet opening 211, and the end face towards air circulation direction upstream side with evaporator 15 is substantially in parallel along substantially water
Square to extension.In addition, the air communication passage in the air circulation direction downstream side in evaporator 15 in air-conditioner housing 210 from
Positioned at second air communication passage 217 in the air circulation direction downstream side of evaporator 15 upper side space 217a upward
Extend with rear.Thus, the air to circulate in the first air communication passage 216 tends to the upper of the first air communication passage 216
Far from inlet opening in the width direction of the end face towards air circulation direction upstream side of the upside and evaporator 15 in lower direction
The part of the end of 211 sides, and become easy flowing.That is, the air to circulate in the first air communication passage 216 is in evaporator 15
The end face towards air circulation direction upstream side on, 211 side of inlet opening of the downside of up and down direction and width direction at
For not runny part.
In addition, making the second air communication passage 217 and in the state of being formed with the second path in air-conditioner housing 210
The lower section of the interconnecting part 217b of three air communication passages 218 connection is separated by partition wall 218a.Whereby, the second air stream all
The air of the downside circulation on road 217 hinders it to flow into third air communication passage 218 by partition wall 218a.Thus, air is
The downside of two air communication passages 217 is not easy to circulate, and becomes on the upside of the air deviation to circulate in the first air communication passage 216
It must be easy flowing.
But the end towards air circulation direction upstream side with evaporator 15 in the first air communication passage 216
The opposite face in face is equipped with circulating direction change portion 216a.The height dimension phase of the layer difference of the downside of circulating direction change portion 216a
Formed larger for the height dimension of the layer difference of upside.Thus, the first air communication passage 216 in the up-down direction under
Side, using circulating direction change portion 216a make air circulating direction change into 15 side of evaporator effect it is larger.Thus,
The air to circulate in one air communication passage 216 is directed in the end face towards air circulation direction upstream side of evaporator 15
, 211 side of inlet opening of downside and width direction in up and down direction.
In addition, the air circulation direction downstream side of the circulating direction change portion 216a in the first air communication passage 216,
Secondary circulating direction change portion 216b is equipped in the face opposite with the end face towards air circulation direction upstream side of evaporator 15.It is secondary
The height dimension of the layer difference of the upside of circulating direction change portion 216b forms larger relative to the height dimension of the layer difference of downside.
Thus, the air circulation direction downstream side of the circulating direction change portion 216a of the first air communication passage 216, be located at up and down
Upside on direction, using secondary circulating direction change portion 216b make air circulating direction change into the effect of 15 side of evaporator compared with
Greatly.Thus, the air to circulate in the first air communication passage 216 be directed to evaporator 15 towards on air circulation direction
At central portion that swim the end face of side, upside and width direction in up and down direction.
The air to circulate in the first air communication passage 216 is changed by circulating direction change portion 216a and secondary circulating direction
Change portion 216b and be directed evenly throughout the whole surface of evaporator 15, and pass through evaporator 15.
As described above, air conditioner for motor vehicle according to the present embodiment, the first air communication passage 216 and evaporator
The opposite face in 15 end face towards air circulation direction upstream side is equipped with circulating direction change portion 216a, above-mentioned circulating direction
Change portion 216a is vertically extended, and prominent to 15 side of evaporator, is flowed in the first air communication passage 216 with changing
The circulating direction of logical air, the circulating direction change portion 216a of the downside of the first air communication passage 216 is towards 15 pleurapophysis of evaporator
Being dimensioned so as to out is more outstanding towards 15 side of evaporator than the circulating direction change portion 216a of 216 upside of the first air communication passage
Size is big.
Whereby, since the air to circulate in the first air communication passage 216 can be made equal throughout the entire surface of evaporator 15
Pass through evenly, therefore, the air of evaporator 15 and the heat exchanger effectiveness of refrigerant can be improved.
In addition, circulating direction change portion 216a is formed throughout the up and down direction of the first air communication passage 216.
Whereby, due to can be by circulating direction change portion 216a, throughout the up and down direction of the first air communication passage 216
Keep a part of the air to circulate in the first air communication passage 216 logical towards 15 effluent of evaporator, therefore, can reliably by
Air is guided to the air circulation direction upstream side of the end face towards air circulation direction upstream side of evaporator 15.
In addition, being set in the air circulation direction downstream side of the circulating direction change portion 216a of the first air communication passage 216
There are secondary circulating direction change portion 216b, above-mentioned pair circulating direction change portion 216b to vertically extend, and to evaporator 15
Side is prominent, and changes the circulating direction of the air to circulate in the air circulation direction downstream side of circulating direction change portion 216a.
Whereby, in the first air communication passage 216, can make by circulating direction change portion 216a air circulation extremely
Before the end in the downstream side of the first air communication passage 216, the circulating direction of air is changed into 15 side of evaporator, therefore,
The flowing of air is because under circulating direction change portion 216a, pair circulating direction change portion 216b and the first air communication passage 216
It swims the wall surface of the end of side and changes, therefore, air can be made equal throughout width direction in the second air communication passage 217
It circulates evenly, and air can be made not have from central ventilated blow-off outlet, side-vented blow-off outlet, demister blow-off outlet and vola blow-off outlet
There is left and right to be blown out in car room C with being biased to.
In addition, the secondary circulating direction change portion 216b of the upside of upstream side distribution channel is towards 15 side of evaporator protrusion outstanding
It is dimensioned so as to than the secondary circulating direction change portion 216b of the downside of upstream side distribution channel towards 15 side of evaporator protrusion outstanding
Size is big.
Whereby, in the air circulation direction downstream side of the circulating direction change portion 216a of the first air communication passage 216
The circulating direction of air is changed into the work of 15 side of evaporator using secondary circulating direction change portion 216b by the upside in up and down direction
With becoming larger, therefore, by the upside bigger than downside in air mass flow, change the circulating direction of air, so as to make air
It equably circulates in two air communication passages 217 throughout width direction.
In addition, air-conditioner housing 210 by over-assemble lower case 210a and the first upper body 210b in above-below direction and
Second upper body 210c and constitute, circulating direction change portion 216a and pair circulating direction change portion 216b are in lower case 210a
With at the coupling part of the first upper body 210b and the second upper body 210c, become towards 15 side of evaporator size outstanding
Change.
It whereby, can a bodily form when the injection molding by synthetic resin material forms the component for constituting air-conditioner housing 210
At circulating direction change portion 216a and secondary circulating direction change portion 216b, so as to inhibit the rising of manufacturing cost.
In addition, in the above-described embodiment, showing the upper side and lower side in first shell distribution channel 216 via layer
Difference, the case where being changed to the height dimension of circulating direction change portion 216a, however, it is not limited to this.For example, also such as Fig. 7 institute
Show, following circulating direction change portion 216a1 can also be used, above-mentioned circulating direction change portion 216a1 is in the first air circulation
The upper side and lower side of access 216 does not pass through that layer is poor, but makes height dimension from the upside of the first air communication passage 216 to downside
It gradually changes.
In addition, in the present embodiment, show the first air communication passage 216 with evaporator 15 towards air stream
On the opposite face in the end face of logical direction upstream side, it is respectively equipped with a circulating direction change portion 216a and a secondary circulating direction changes
Change portion 216b, however, it is not limited to this.As long as in the first air communication passage 216 with evaporator 15 towards air circulation side
On the opposite face in end face to the upstream side, it is equipped at least one circulating direction change portion 216a, can be achieved with the sky of evaporator 15
The raising of the heat exchanger effectiveness of gas and refrigerant.In addition, even if first air communication passage 216 and evaporator 15 towards
On the opposite face in the end face of air circulation direction upstream side, multiple circulating direction changes portion 216a and multiple secondary circulating directions are set
Change portion 216b can also obtain effect identical with above embodiment.
In addition, in the above-described embodiment, showing circulating direction change portion 216a and secondary circulating direction change portion
216b spreads the case where up and down direction formation of the first air communication passage 216 respectively, and however, it is not limited to this.Circulating direction changes
Change portion 216a and pair circulating direction change portion 216b throughout the up and down direction of the first air communication passage 216 without setting respectively
It sets, the circulating direction change portion and secondary circulating direction that can also for example configure multiple specific length sizes in the up-down direction change
Portion.In this case, the circulating direction change portion and secondary circulation side by that will be configured on the upside of the first air communication passage 216
Different height is set as from the height dimension in the circulating direction change portion for being configured at downside and secondary circulating direction change portion to change portion
Size is spent, to obtain effect identical with above embodiment.
In addition, in the above-described embodiment, showing heater core 16 as in third air communication passage
The heating device that the air to circulate in 218 is heated, however, it is not limited to this.As long as can be in third air communication passage
The heating device that the air to circulate in 218 is heated, for example, it can be the heat for making refrigerant and air carry out heat exchange to hand over
Parallel operation can also be the heating device that ptc heater etc. heats air by electric power.
Claims (6)
1. a kind of air conditioner for motor vehicle, comprising:
Air-conditioner housing, the air-conditioner housing are formed with air communication passage；And
Heat exchanger for cooling, the heat exchanger for cooling are configured at air communication passage, and in air communication passage
The air of circulation is cooled down,
Air communication passage includes upstream side distribution channel, and the upstream side distribution channel is located at the sky of heat exchanger for cooling
Gas circulating direction upstream side；And downstream side distribution channel, the downstream side distribution channel are located at the sky of heat exchanger for cooling
Gas circulating direction downstream side,
Upstream side distribution channel is formed as from heat exchanger for cooling to air circulation direction upstream side, and with cooling heat exchange
The end face towards air circulation direction upstream side of device is horizontally extending in parallel,
Downstream side distribution channel includes the first downstream side distribution channel, and first downstream side distribution channel is for through supercooling
The air of heat exchanger flows into；And the second downstream side distribution channel, second downstream side distribution channel and the first downstream side
The space of the upper side of distribution channel is connected to,
The face opposite with the end face towards air circulation direction upstream side of heat exchanger for cooling of distribution channel in upstream side
On, it is equipped with circulating direction change portion, circulating direction change portion vertically extends, and to heat exchanger for cooling side
It is prominent, and the circulating direction of the air to circulate in the distribution channel of upstream side is changed,
Circulating direction change portion on the downside of the distribution channel of upstream side is dimensioned so as to compare towards heat exchanger for cooling side is outstanding
Circulating direction change portion on the upside of the distribution channel of upstream side it is big towards heat exchanger for cooling side size outstanding.
2. air conditioner for motor vehicle as described in claim 1, which is characterized in that
Circulating direction change portion is formed with spreading the up and down direction of upstream side distribution channel.
3. air conditioner for motor vehicle as claimed in claim 2, which is characterized in that
In upstream side, the air circulation direction downstream side in the circulating direction change portion of distribution channel is equipped with secondary circulating direction change portion,
The pair circulating direction change portion vertically extends, and prominent towards heat exchanger for cooling side, and changes in circulation side
The circulating direction of the air to circulate to the air circulation direction downstream side in change portion.
4. air conditioner for motor vehicle as claimed in claim 3, which is characterized in that
Secondary circulating direction change portion on the downside of the distribution channel of upstream side is dimensioned so as to towards heat exchanger for cooling side is outstanding
It is bigger towards heat exchanger for cooling side size outstanding than secondary circulating direction change portion on the upside of the distribution channel of upstream side.
5. air conditioner for motor vehicle as claimed in claim 4, which is characterized in that
Air-conditioner housing is constituted and assembling multiple housing members along the vertical direction, circulating direction change portion and secondary circulating direction
Change portion changes at the coupling part of adjacent housing member towards heat exchanger for cooling side size outstanding.
6. the air conditioner for motor vehicle as described in any one of claims 1 to 5, which is characterized in that in the second downstream side, circulation is logical
Road is equipped with the heating device heated to air,
Partition wall, institute are equipped in the lower section for the interconnecting part for being connected to the first downstream side distribution channel with the second downstream side distribution channel
Partition wall is stated to separate the first downstream side distribution channel and the second downstream side distribution channel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017110928A JP2018203063A (en) | 2017-06-05 | 2017-06-05 | Vehicular air-conditioning device |
| JP2017-110928 | 2017-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108973583A true CN108973583A (en) | 2018-12-11 |
Family
ID=64541933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810462497.7A Pending CN108973583A (en) | 2017-06-05 | 2018-05-15 | Air conditioner for motor vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2018203063A (en) |
| CN (1) | CN108973583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114616113A (en) * | 2019-10-25 | 2022-06-10 | 法雷奥日本株式会社 | Air conditioner for vehicle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020090610A1 (en) | 2018-10-29 | 2020-05-07 | 三菱マテリアル株式会社 | Method for manufacturing package lid member and method for manufacturing package |
| EP3981621A4 (en) | 2019-05-10 | 2023-08-16 | Valeo Japan Co., Ltd. | Vehicular air-conditioning device |
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Also Published As
| Publication number | Publication date |
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| JP2018203063A (en) | 2018-12-27 |
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