KR20190133313A - Air conditioner for vehicle - Google Patents

Abstract

Disclosed is an air conditioning apparatus for a vehicle, which prevents air conditioning performance from being lowered while reducing the number of doors, enables various air conditioning modes to be implemented, and optimizes door control for each mode. The air conditioning apparatus for the vehicle includes an air conditioning case having an air passage therein; and a heat exchanger for cooling and a heat exchanger for heating provided in the air passage of the air conditioning case to exchange heat with air passed therethrough. The air conditioning apparatus is provided with a front seat temperature door adjusting a degree of opening between a cool wind passage of a front seat and a portion of a hot wind passage; a first rear seat temperature door disposed between the heat exchanger for cooling and the heat exchanger for heating and adjusting a degree of opening of the other portion of the hot wind passage; a second rear seat temperature door disposed on a downstream of the heat exchanger for heating and adjusting a degree of opening between the hot wind passage and the cool wind passage of the rear seat; and a rear seat mode door disposed at a downstream of the second rear seat temperature door and adjusting a degree of opening of a rear seat air discharge hole.

Description

Automotive air conditioning unit {AIR CONDITIONER FOR VEHICLE}

The present invention relates to a vehicle air conditioner, and more particularly, to a vehicle air conditioner that can send air conditioning air to the rear seat side to perform the rear seat air conditioning together with the front seat side air conditioning of the vehicle.

In general, a vehicle air conditioner is a vehicle interior that is installed for the purpose of securing the front and rear view by removing the frost that is caught in the wind shield during the rainy season or winter, or heating the car interior in the summer or winter. to be. The air conditioner is usually equipped with a heating system and a cooling system at the same time, by selectively introducing the outside air or bet to heat or cool the air and then blow it into the vehicle interior to cool, heat or ventilate the vehicle interior.

Korean Patent Application Publication No. 1484718 (2015.01.14), which was previously filed, discloses a vehicle air conditioner for controlling rear wind volume by controlling positions of rear seat temperature control doors, rear seat auxiliary temperature control doors, and rear seat on / off doors. 1 is a cross-sectional view showing a conventional vehicle air conditioner. As shown in FIG. 1, the vehicle air conditioner includes an air conditioning case 10, an evaporator 20, a heater core 30, a seat temperature control door 51, and a seat mode door.

The air conditioning case 10 includes an air inlet 11 and an air outlet, and an air passage is formed therein. Blower is connected to the air inlet 11 side, the inside or outside air is selectively introduced into the air passage inside the air conditioning case (10). The air discharge port is composed of a defrost vent 12, a front seat face vent 13, a floor vent 114, a rear seat vent 15 and a rear seat vent 16. The air passage inside the air conditioning case 10 is composed of a front seat cold wind passage (P1), a warm wind passage (P2) and the rear seat cold wind passage (P3).

Evaporator 20 is a cooling heat exchanger to cool the air passing through it. The heater core 30 is a heat exchanger for heating to heat the air passing through it. The heater core 30 is disposed in the warm air passage P2 which is the downstream side of the evaporator 20 in the air flow direction. The warm air passage P2 may further include an electric heater 40 such as a PTC heater. All seat temperature control door 51 is disposed between the evaporator 20 and the heater core 30, the hot air passage (P2) passing through the heater core 30 and the cold air passage (P1) bypassing the heater core (30). Adjust the opening degree of (P3). The all seat mode door is composed of a defrost door 53, a vent door 54, and a floor door 55.

The rear seat air passage is composed of a rear seat cold air passage P3 through which the air passed through the evaporator 20 bypasses the heater core 30, and a warm air passage through the heater core 30. The hot air passage of the rear seat air passage is used together with the hot air passage P2 of the front seat air passage. That is, a part of the air flowing through the heater core 30 and flowing in the warm air passage P2 is moved upward and discharged to at least one of the defrost vent 12, the seat face vent 13, and the floor vent 114. The other part of the air moves downward and is discharged to at least one of the rear seat face vent 15 and the rear seat vent 16. The rear seat air passage is provided with a rear seat mode door 58 for adjusting the opening degree of the rear seat face vent 15 and the rear seat vent 16.

The air conditioner case 10 is provided with a rear seat temperature control door 52, a rear seat auxiliary temperature control door 56, and a rear seat on / off door 57. The rear seat temperature control door 52 is provided between the evaporator 20 and the heater core 30 to adjust the opening degree of the passage flowing into the warm air passage (P2) and the passage flowing into the rear stone cold air passage (P3), and the rear stone auxiliary The temperature control door 56 is disposed downstream of the heater core 30 in the air flow direction to adjust the opening degree of the passage flowing to the rear air outlet. The rear seat on / off door 57 adjusts the opening degree of the rear seat cold air passage P3.

Figure 2 shows the front and rear seat cooling mode of a conventional vehicle air conditioner. 2, in the front and rear seat cooling mode, the front seat temperature control door 51 closes the hot air passage (P2) and opens the front seat cold air passage (P1), and the rear seat temperature control door (52) is the hot air passage (P2). ) And open the rear seat cold air passage (P3). The rear seat auxiliary temperature control door 56 closes the passage that flows to the rear seat air outlet, and the rear seat on / off door 57 opens the rear seat cold air passage P3. The cold air passing through the evaporator 20 bypasses the heater core 30, and part of the air is discharged to at least one of the seat air discharge ports through the front seat cold air passage P1, and the other part passes through the rear seat cold wind passage P3. It is discharged to at least one of the rear air outlets.

Figure 3 illustrates a front and rear seat heating mode of a conventional vehicle air conditioner. Referring to Figure 3, in the front and rear seat heating mode, the front seat temperature control door 51 closes the front seat cold air passage (P1) and open the hot air passage (P2), the rear seat temperature control door 52 is a rear seat cold wind passage ( Close P3) and open the hot air passage P2. The rear seat auxiliary temperature control door 56 opens a passage that flows to the rear seat air outlet, and the rear seat on / off door 57 closes the rear seat cold air passage P3. The air passing through the evaporator 20 is heated while passing through the heater core 30, and then some of the air moves upward and is discharged into at least one of the front seat air outlets, and the other is moved downward and discharged into at least one of the rear seat air outlets. .

Conventional vehicle air conditioner controls the air conditioning on / off according to the position of the rear seat temperature control door 52 and the rear seat on-off door 57, the rear seat mode door 58 is used only for rear seat mode adjustment. Conventional vehicle air conditioners must be equipped with two temperature control doors 52, 56, one on-off door 57, one mode door 58 in order to perform air conditioning control of rear seats. There are more problems.

Patent Document: Republic of Korea Patent Publication No. 1484718 (2015.01.14)

In order to solve such a conventional problem, the present invention can implement a variety of air conditioning modes without reducing the number of doors, but without degrading the air conditioning performance, and provides a vehicle air conditioning apparatus optimized for the control of the door for each mode.

The air conditioner for a vehicle according to the present invention includes an air conditioning case having an air passage therein, and a cooling heat exchanger and a heat exchanger for heat exchange with the air passing through the air passage of the air conditioning case. And a front seat temporal door for adjusting an opening degree between a portion of the warm air passage, and a first rear seat temporal door disposed between the cooling heat exchanger and a heating heat exchanger, and for controlling the opening degree of another portion of the warm air passage. A second rear seat temper door disposed downstream of the heat exchanger and configured to adjust an opening degree between the hot air passage and the rear seat cold wind passage; And a rear seat mode door disposed downstream of the second rear seat temporal door to adjust the opening degree of the rear seat air outlet.

In the above, the temperature control of the rear seats is performed using the first rear seat temper door and the second rear seat temper door, and the on (open) and off (closed) of the rear seat air passages are controlled using the rear seat mode door.

In the above, when the rear seat mode door is a condition of turning off (closed) the rear seat air passage, the position of the first rear seat temper door is changed according to the front seat condition.

In the above, when the rear seat mode door is turned off (closed) the rear seat air passage, when the front seat temper door is positioned at the maximum seat cooling condition, the first rear seat temper door is the maximum seat rear cooling (Max Cool). Located in the state.

In the above, when the rear seat mode door turns off (closes) the rear seat air passage, when the front seat temporal door is not the maximum seat cooling condition, the first rear seat door is positioned at the maximum warm state of the rear seat. .

In the above, the first rear seat door is made of a dome door type.

In the above, the first rear seat temper door is in a position to close the hot air passage (P2) in the case of the Max Cool condition, and between the cooling heat exchanger and the heat exchanger in the case of the Max Warm condition. It is in the position to partition.

In the above, the first rear seat temper door is configured such that the dome inside the dome is guided to the hot air passage side when the front seat temper door is not the maximum seat cooling condition.

In the above, the first rear seat temporal door is configured to always open the rear seat cold air passage.

In the above, the rear air outlet has a console vent and a rear floor vent, the rear mode door is a dome (Dome) door type, to adjust the opening degree between the rear air passage, the console vent, the rear floor vent.

In the above, the warm air passage downstream of the heating heat exchanger and the rear seat cold air passage is configured to be in communication, the second rear seat door is a communication path between the hot air passage downstream of the heating heat exchanger and the rear seat cold air passage and the rear seat cold air passage. Adjust the opening degree between.

In the above, in the case of the maximum cooling condition, the second rear seat temporal door closes the communication path between the hot air passage downstream of the heating heat exchanger and the rear seat cold air passage.

In the above, in the case of the Max Warm condition, the second rear seat temporal door is in a position to close the rear seat cold air passage.

In the above, in the mixing mode, the second rear seat temporal door is located between a communication path between the hot air passage downstream of the heating heat exchanger and the rear seat cold air passage and the rear seat cold air passage.

The vehicle air conditioner according to the present invention can implement a three-zone air conditioner by smoothly performing rear air conditioning control while reducing the number of doors by using two temp doors and one mode door. Therefore, it is possible to reduce the number of parts to lower the manufacturing cost and to reduce the load and volume of the air conditioning apparatus.

In addition, the vehicle air conditioner according to the present invention is configured to change the position of the first rear seat temporal doors according to the front seat conditions, all the air is guided to flow in the hot air passage can maximize the performance of the heater core in the front seats The heating performance can be improved.

In addition, when the first seat temper is not the maximum cooling condition of the seat, the dome inside is configured to guide the air toward the hot air passage, so that the inner surface of the streamlined dome passes through the evaporator. It can be guided more smoothly to the heater core side of the warm air passage.

1 is a cross-sectional view showing a conventional vehicle air conditioner,
Figure 2 illustrates a front and rear seat cooling mode of a conventional vehicle air conditioner,
Figure 3 illustrates a front and rear seat heating mode of a conventional vehicle air conditioner,
Figure 4 is a cross-sectional view showing a vehicle air conditioner according to an embodiment of the present invention,
5 illustrates a rear seat vent mode of the vehicle air conditioner according to an embodiment of the present invention;
Figure 6 illustrates a rear seat floor mode of the vehicle air conditioner according to an embodiment of the present invention,
FIG. 7 illustrates a rear seat bi-level mode of a vehicle air conditioner according to an embodiment of the present disclosure.
8 is a view showing the maximum cooling mode of all seats of the vehicle air conditioner according to an embodiment of the present invention,
9 is a view illustrating a case in which the maximum cooling mode of all seats of the air conditioner for a vehicle according to an exemplary embodiment of the present invention is not shown.

Hereinafter, the technical configuration of the vehicle air conditioner according to the accompanying drawings in detail.

4 is a cross-sectional view showing a vehicle air conditioner according to an embodiment of the present invention. As shown in Figure 4, the vehicle air conditioner according to an embodiment of the present invention is provided in the air passage formed in the air passage therein, the air passage of the air conditioning case 110 and heat exchange with the air passing therethrough It comprises a cooling heat exchanger and a heat exchanger for heating.

The air conditioning case 110 includes an air inlet 111 and an air outlet, and an air passage is formed therein. The blower is connected to the air inlet 111 side, the inside or outside air is selectively introduced into the air passage inside the air conditioning case (110). The air outlet comprises a front seat air outlet consisting of a defrost vent 112, a seat face vent 113, and a seat floor vent 114, and a rear seat air outlet consisting of a console vent 115 and a seat back vent 116. .

The cooling heat exchanger is composed of an evaporator 120. The refrigerant flowing inside the evaporator 120 and the air passing through the evaporator 120 heat exchange to cool the air. The heat exchanger for heating is composed of a heater core 130. The coolant flowing inside the heater core 130 and the air passing through the heater core 130 exchange heat, and the air is heated. The heater core 130 is disposed in the warm air passage P2 which is a downstream side of the evaporator 120 in the air flow direction. The warm air passage P2 may further include an electric heater 140 such as a PTC heater.

The air passage inside the air conditioning case 110 is composed of a front seat cold wind passage (P1), a warm wind passage (P2) and the rear seat cold wind passage (P3). On the downstream side of the evaporator 120, the air passage is divided into three types: the front wind cooling passage (P1), the hot air passage (P2) and the rear wind cooling passage (P3). All seats cold air passage (P1), hot air passage (P2) and rear seat cold air passage (P3) consists of the top to the bottom sequentially, the hot air passage (P2) in the up and down direction is the front seat cold air passage (P1) and rear seat cold air passage (P3) ) Is placed between.

The air passing through the evaporator 120 bypasses the heater core 130 of the hot air passage P2 and flows into the front seat cold wind passage P1 and the rear seat cold wind passage P3, or the heater core of the warm wind passage P2 ( After passing through 130), the water flows into the front seat cold air passage (P1) or the rear seat cold wind passage (P3).

The all seat cold air passage P1 is a passage through which the air passing through the evaporator 120 passes through the heater core 130 and flows to the vehicle seat. The rear seat cold air passage P3 is a passage through which the air passing through the evaporator 120 flows to the rear seat of the vehicle by bypassing the heater core 130. The warm air passage P2 is a passage through which the air passing through the evaporator 120 flows to the front or rear seats of the vehicle through the heater core 130.

The air conditioning case 110 is provided with a seat air discharge port for discharging air to the charrang seats, the opening degree of the seat air outlet is controlled by the seat mode door. The all seat mode door adjusts the opening degree of the defrost door 153 for adjusting the opening degree of the defrost vent 112, the vent door 154 for adjusting the opening degree of the seat face vent 113, and the seat floor vent 114. It is comprised of the floor door 155. In addition, the air conditioner case 110 is provided with a rear air outlet for discharging air to the rear of the vehicle, the rear air outlet is controlled by the rear seat mode door 158.

The vehicle air conditioner includes a seat temper 171. The all-temper door 171 adjusts the opening degree between the all-wind cold passage P1 and a part of the warm wind passage P2. The front seat temporal door 171 is located at a boundary where the front seat cold wind passage P1 and the warm wind passage P2 are separated as a downstream portion adjacent to the evaporator 120. The seat temper 171 is formed of a tail door type in which plate members are formed on both sides of a rotation shaft which is a driving shaft.

That is, the seat temper 171 is composed of a rotation shaft, a first door part and a second door part. The rotating shaft of the all-temper door 171 is provided adjacent to the lower end of the outlet side of the hot air passage (P2). The first door part is formed at one side of the rotation shaft to adjust the opening degree of the upper part of the inlet of the cold air passage P1 and the warm air passage P2. The second door part is formed on the other side of the rotating shaft to adjust the opening degree of the front seat side exit in the hot air passage P2.

The air conditioner for a vehicle according to an exemplary embodiment of the present invention is configured to perform temperature control of three zones of a front driver's seat, a front passenger seat, and a rear seat, and implements temperature control of the rear seat with three doors. That is, the vehicle air conditioner includes a first rear temper door 172, a second rear temper door 159, and a rear seat mode door 158.

The first rear seat temporal door 172 is disposed between the evaporator 120 and the heater core 130 to adjust the opening degree of the other part of the warm air passage (P2). That is, the first rear seat temper door 172 adjusts the opening degree of a part of the lower part of the inlet of the warm air passage P2 not covered by the front seat temper door 171 among the inlet of the warm air passage P2.

The second rear seat temporal door 159 is disposed downstream of the heater core 130 and adjusts the opening degree between the warm air passage P2 and the rear seat cold wind passage P3. The second rear seat door 159 is of a dome door type. The warm air passage P2 and the rear seat cold air passage P3 downstream of the heater core 130 are configured to communicate with each other. The second rear seat temporal door 159 is disposed in a communication path between the warm air passage P2 and the rear seat cold wind passage P3 downstream of the heater core 130. That is, the second rear seat temporal door 159 adjusts the opening degree between the communication path between the warm air passage (P2) and the rear seat cold wind passage (P3) and the rear seat cold wind passage (P3).

The rear seat mode door 158 is disposed downstream of the second rear seat temper 150 and adjusts the opening degree of the rear seat air outlet. The rear seat mode door 158 is of a dome door type. The rear seat door 158 adjusts the opening degree between the rear seat air passage, the console vent 115, and the rear seat vent 116.

That is, the rear seat mode door 158 is rotated in the counterclockwise direction in FIG. 4 to close the rear seat air passage, or rotates in a clockwise direction to close the rear seat vent 116 and open the console vent 115. Clockwise rotation to close the console vent 115 and open the rear floor vent 116, or between the console vent 115 and the rear floor vent 116 to open both vent modes. .

The vehicle air conditioner performs temperature control of the rear seats by using the first rear seat door 172 and the second rear seat door 159. In addition, the rear seat mode door 158 is used to control the on (open) and off (closed) of the rear seat air passage. Thus, by using two temp doors and one mode door, it is possible to implement a three-zone air conditioning apparatus by smoothly performing rear air conditioning control while reducing the number of doors in comparison with the prior art. Therefore, it is possible to reduce the number of parts to lower the manufacturing cost and to reduce the load and volume of the air conditioning apparatus.

When the rear seat mode door 158 is in a condition of turning off (closed) the rear seat air passage, the position of the first rear seat temper 172 is changed according to the front seat condition. In detail, when the rear seat mode door 158 turns off the rear seat air passage, when the front seat tempor 171 is positioned at the maximum cooling condition of the front seat, the first rear seat temper 172 ) Is located at the maximum cooling state of the rear seats.

In addition, when the rear seat mode door 158 turns off (closes) the rear seat air passage, when the front seat temper door 171 is not the maximum cooling condition of the front seat, the first rear seat door 172 is the maximum heating of the rear seat ( Max Warm). In this case, when all seat doors 171 are not the maximum cooling condition of all seats, all seat doors 171 are in a state of maximum warming or mixing.

Thus, through the configuration of changing the position of the first rear seat door (172) according to the seat conditions, all the air is guided to flow in the hot air passage (P2) to maximize the performance of the heater core 130 in all seats. Can improve the heating performance.

The first rear seat door 172 is of a dome door type. The first rear seat temper door 172 is in a position to close the hot air passage (P2) in the case of the Max Cool condition, and between the evaporator 120 and the heater core (130) in the case of the Max Warm condition. It is in the position to partition.

That is, the first rear seat temper door 172 is configured to guide the air to the hot air passage P2 side when the dome seat door 171 is not the maximum cooling condition of the front seat. Through this configuration, the streamlined dome inner surface can more smoothly guide the air passing through the evaporator 120 to the heater core 130 side of the warm air passage (P2).

The first rear seat temporal door 172 is configured to always open the rear seat cold air passage (P3). That is, the first rear seat temper door 172 performs the opening and closing function and the air guide function of the hot air passage (P2) as described above without performing the on (On) / off (Off) function of the rear stone cold air passage (P3) In addition to improving the heater core performance, the on / off function of the rear seat cold air passage (P3) is performed by the rear seat mode door 158 to smoothly perform the on / off control of the rear seat air conditioning while reducing the number of doors. .

Meanwhile, the rear seat temperature control may be performed by adjusting the first rear seat temper 172 and the second rear seat temper 158.

That is, in the case of the maximum cooling (Max Cool) condition, the first rear seat temporal door 172 closes the hot air passage P2, and the second rear seat temper door 159 has a warm air passage downstream of the heater core 130 ( It is positioned to close the communication path between P2) and the rear seat cold air passage (P3).

In addition, in the case of the Max Warm condition, the dome inside the first rear temper door 172 is positioned to guide the air toward the hot air passage P2, and the second rear temper door 159 is the rear seat. It is positioned to close the cold air passage (P3).

In addition, in the mixing mode, the dome inside the first rear seat door 172 is positioned to guide the air toward the hot air passage P2, and the second rear seat door 159 is a heater core ( Located between the communication path between the warm air passage (P2) and the rear seat cold wind passage (P3) downstream of 130) and the rear seat cold wind passage (P3).

5 illustrates a rear seat vent mode of a vehicle air conditioner according to an embodiment of the present invention.

Referring to FIG. 5, some of the air passing through the evaporator 120 is discharged to the front seat face vent 113 through the front seat cold air passage P1, and the other part of the console vent 115 through the rear seat cold wind passage P3. To be discharged.

In this case, the front seat temper 171 and the first rear seat temper 172 both close the warm air passage P2, and the second rear seat temper 159 closes the communication passage between the warm air passage and the rear seat cold wind passage. Doing. In addition, the rear seat mode door 158 closes the rear seat vent 116 and communicates the rear seat air passage with the console vent 115.

6 illustrates a rear seat mode of the vehicle air conditioner according to an embodiment of the present invention.

Referring to FIG. 6, all of the air passing through the evaporator 120 flows through the hot air passage P2 and passes through the heater core 130 and the electric heater 140, and part of the air is discharged to the all-floor floor vent 114. The other part is discharged to the rear seat vent 116 through a communication path between the hot air passage and the rear seat cold wind passage.

In this case, both the front seat temper 171 and the first rear seat temper 172 open the hot air passage P2, and the second rear seat temper 159 closes the rear wind cooling air passage P3 and the warm air passage. Opening of the communication path between the cold wind passage and the rear seats. In addition, the rear seat mode door 158 closes the console vent 115 and communicates the rear seat air passage with the rear seat vent 116.

FIG. 7 illustrates a rear seat bi-level mode of a vehicle air conditioner according to an exemplary embodiment.

Referring to FIG. 7, the seat may be implemented in the seat floor mode as shown in FIG. 6 or in a bilevel mode by partially opening the seat face vent 113. Some of the air passing through the evaporator 120 flows into the warm air passage (P2) and passes through the heater core 130 and the electric heater 140, and then passes through the communication passage between the hot air passage and the rear seat cold air passage to the rear air passage. And the other part of the air passing through the evaporator 120 is mixed with the heated air passing through the warm air passage (P2) through the rear wind cooling passage (P3). The mixed air is discharged to the console vent 115 and the rear floor vent 116.

In this case, the first rear seat temporal door 172 opens the hot air passage P2, and the second rear seat temper door 159 opens both the rear wind cooling air passage P3 and the communication passage between the hot wind passage and the rear wind cooling passage. It is located in the middle so that the temperature can be adjusted. In addition, the rear seat door 158 may be located between the console vent 115 and the rear seat vent 116 to implement a bi-level mode.

8 is a view showing the maximum cooling mode of all seats of the air conditioning apparatus for a vehicle according to an embodiment of the present invention.

Referring to FIG. 8, all the air passing through the evaporator 120 is discharged to the front seat face vent 113 through the front seat cold air passage P1. In this case, the front seat temper 171 and the first rear seat temper 172 both close the warm air passage P2, and the second rear seat temper 159 closes the communication passage between the warm air passage and the rear seat cold wind passage. Doing. In addition, the rear seat mode door 158 closes the rear seat air passage so that all the air passing through the evaporator 120 flows into the front seat cold air passage (P1).

9 is a view illustrating a case in which the maximum cooling mode of all seats of the air conditioner for a vehicle according to an embodiment of the present invention is not shown.

Referring to FIG. 9, all of the air passing through the evaporator 120 flows through the hot air passage P2 and passes through the heater core 130 and the electric heater 140, and then all of the air is discharged to the front seat vent 114. . If the seat is not the maximum cooling mode may be the maximum seat heating mode or mixing mode.

In this case, the first rear seat temporal door 172 opens the hot air passage P2. The front seat door 171 may be configured to completely mix the cold air and the warm air by completely opening the hot air passage P2 as shown in the dotted line of FIG. 9 or opening a portion as the solid line. The second rear seat temporal door 159 closes the communication path between the warm air passage and the rear seat cold wind passage. In addition, the rear seat mode door 158 closes the rear seat air passage.

So far, the vehicle air conditioner according to the present invention has been described with reference to the embodiment shown in the drawings, but this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope should be defined by the technical spirit of the appended claims.

110: air conditioning case 111: air inlet
112: defrost vent 113: seat face vent
114: seat floor vent 115: console vent
116: rear seat floor vent 120: evaporator
130: heater core 140: electric heater
153: defrost door 154: vent door
155: floor door 158: rear door mode door
171: All seats Temp Door 172: First seats Temp Door
159: 2nd seat tempdoor P1: All-wind cold air passage
P2: Warm air passage P3: Rear wind tunnel

Claims (14)

In the vehicle air conditioning apparatus including an air conditioning case 110 having an air passage therein, and a cooling heat exchanger and a heating heat exchanger provided in the air passage of the air conditioning case 110 to exchange heat with air passing therethrough,
Opening of the seat temper 171 which adjusts the opening degree between the all-wind cooling air passage (P1) and a part of the warm air passage (P2), and the opening degree of the other part of the warm air passage (P2) disposed between the cooling heat exchanger and the heating heat exchanger. It is provided with a first rear temper door 172 to adjust,
A second rear seat temper door 159 disposed downstream of the heating heat exchanger and configured to adjust an opening degree between the hot air passage P2 and the rear seat cold wind passage P3; And
And a rear seat mode door 158 disposed downstream of the second rear seat temper door 159 to adjust an opening degree of the rear seat air outlet. According to claim 1,
Temperature control of the rear seats is performed by using the first rear seat door 172 and the second rear seat door 159.
The air conditioner for a vehicle controlling the on (open) and off (closed) of the rear seat air passage by using the rear seat mode door (158). The method of claim 2,
When the rear seat mode door (158) is a condition that turns off (closed) the rear seat air passage, the vehicle air conditioner for changing the position of the first rear seat door (172) according to the front seat conditions. The method of claim 3, wherein
When the rear seat mode door 158 turns off (closes) the rear seat air passages,
When the front seat temper 171 is located in the maximum cooling (Max Cool) condition, the first rear seat door (172) is located in the maximum cooling state (Max Cool) for the vehicle air conditioner. The method of claim 3, wherein
When the rear seat mode door 158 turns off (closes) the rear seat air passages,
If the front seat temper 171 is not the maximum cooling condition of all seats, the first rear seat door 172 is positioned in the maximum warm state of the rear seats (Max Warm). According to claim 1,
The first rear seat door (172) is a vehicle air conditioner made of a dome (Dome) door type. According to claim 1,
The first rear seat door 172,
In the case of the Max Cool condition, the hot air passage (P2) is closed.
In the case of the maximum heating (Max Warm) conditions, the vehicle air conditioner, characterized in that the position partitioning between the cooling heat exchanger and the heating heat exchanger. The method of claim 6,
The first rear seat door 172,
When the seat temper 171 is not the maximum cooling condition of the seat, the dome (Dome) inside the vehicle is configured to guide the air toward the hot air passage (P2) side. According to claim 1,
The first rear seat door (172) is a vehicle air conditioning apparatus, characterized in that configured to always open the rear cool air passage (P3). According to claim 1,
The rear seat air outlet has a console vent 115 and a rear seat vent 116,
The rear seat mode door 158 is a dome (Dome) door type, the air conditioner for the vehicle to adjust the opening degree between the rear seat air passage, the console vent 115, the rear seat vent (116). According to claim 1,
The hot air passage (P2) and the rear seat cold air passage (P3) downstream of the heating heat exchanger is configured to communicate,
The second rear seat temper 159 is a vehicle air conditioning apparatus for controlling the opening degree between the communication path between the hot air passage (P2) and the rear seat cold air passage (P3) downstream of the heating heat exchanger (P3). The method of claim 11, wherein
In the case of the Max Cool condition, the second rear seat temporal door 159 is located in a position to close a communication path between the hot air passage P2 and the rear seat cold air passage P3 downstream of the heating heat exchanger. Vehicle air conditioner characterized in that. The method of claim 11, wherein
In the case of the maximum heating (Max Warm) condition, the second rear seat door (159) is a vehicle air conditioner, characterized in that the position to close the rear cool air passage (P3). The method of claim 11, wherein
In the mixing mode, the second rear seat temporal door 159 is disposed between the communication passage between the hot air passage P2 downstream of the heating heat exchanger and the rear seat cold air passage P3 and the rear seat cold air passage P3. Vehicle air conditioner, characterized in that located.

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