KR20150088577A - Air conditioner for vehicle - Google Patents

Abstract

The present invention relates to an air conditioning device for a vehicle. More specifically, a rear seat temperature control door, a rear seat auxiliary temperature control door, and a rear seat on/off door to cool and heat a rear seat is installed in the air conditioning device. A position of the rear seat temperature control door, the rear seat auxiliary temperature control door, and the rear seat on/off door is controlled to control a rate of air flow of the rear seat in the air conditioning device. As such, the air conditioning device for a vehicle is capable of controlling the air flow rate of the rear seat without an additional component such as an additional rear seat blower; thus reducing manufacturing costs and improving comfort of the rear seat.

Description

TECHNICAL FIELD [0001] The present invention relates to an air conditioner for an automobile,

The present invention relates to an air conditioner for a vehicle, and more particularly, to an air conditioner provided with a rear temperature control door, a rear assistant temperature control door and a rear on-off door for heating the rear seat, To a vehicle air conditioner in which the position of the door, the auxiliary auxiliary temperature control door and the on-off-off door are controlled to adjust the air flow rate.

Background Art [0002] A vehicle air conditioner is an automobile interior product installed for the purpose of enabling a driver to secure front and rear vision by removing air from the windshield during rainy or winter or by cooling or heating the interior of the automobile in the summer or winter season. Such an air conditioning apparatus is usually equipped with a heating system and a cooling system at the same time so that the outside air or the inside is selectively introduced to heat or cool the air and then air is blown into the inside of the vehicle to cool,

Such a vehicle air conditioner may be developed in various forms according to the type of vehicle or the same type of vehicle according to the specifications. For example, a single zone (full-seat space) air conditioner, a dual zone (front left and right) air conditioner, , Right and left-handed space).

 FIG. 1 is a cross-sectional view of a conventional single zone air conditioning system. In the air conditioning apparatus 1, an air inlet 11 is formed at one side and an opening is controlled by a mode door 16a, 16b, An air conditioning case 10 provided with a defrost vent 12a, a face vent 12b and a floor vent 12c; An evaporator (2) and a heater core (3) provided on the air passage in the air conditioning case (10) at regular intervals in order; And a blower (not shown) connected to the air inlet 11 of the air conditioning case 10 to blow air or outside air.

A cool air passage P1 for bypassing the heater core 3 and a warm air passage P2 for passing through the heater core 3 are disposed between the evaporator 2 and the heater core 3, A temperature control door 15 is provided to regulate the temperature of the liquid.

The air conditioning case 10 includes an upper case 10a formed by assembling a left case and a right case and a lower case 10b formed in an evaporator 2 at a position where the evaporator 2 is seated in the lower portion of the upper case 10a And a lower case 10b which is separately assembled to prevent leakage of condensed water.

According to the vehicle air conditioner 1 configured as described above, when the maximum cooling mode is activated, the temperature control door 15 opens the cold air passage P1 and closes the warm air passage P2 do. As a result, the air blown by the blower (not shown) is exchanged with the refrigerant flowing in the evaporator 2 through the evaporator 2 to be changed into a cool air, and then mixed into the mixing chamber 16b and 16c according to predetermined air discharge modes (vent mode, bistle mode, floor mode, mix mode, and defrost mode) To the front seat space of the vehicle interior, thereby cooling the front seat space.

In addition, when the maximum heating mode is activated, the temperature control door 15 closes the cold air passage P1 and opens the warm air passage P2. The air blown by the blower (not shown) passes through the evaporator 2, passes through the heater core 3 through the hot air passage P2, exchanges heat with the cooling water flowing in the heater core 3 And then flows to the mixing chamber MC. Thereafter, the air is discharged through the vent open by the mode doors 16a, 16b, 16c to the front seat space in the vehicle interior according to the predetermined air discharge mode, Is performed.

The dual zone air conditioner is provided with a separator (not shown) at the center of the air conditioner case 10 to divide the inside of the air conditioner case 10 to the left and right, On both sides, left and right temperature control doors that operate independently from each other can be installed to adjust the temperature of left and right seats independently.

The triple zone air conditioning system 1a is obtained by adding a rear moon air passage 20 to the lower portion of an oval air passage 17 made up of cold and warm air passages P1 and P2 in the dual zone air conditioner, 2, the evaporator 2 and the heater core 3 are installed in the air conditioning case 10, and the air conditioning temperature control door 15 and the all-over mode doors 16a, 16b, 16c The heater core 3 is further provided with a rear moon cylinder path 20 and a heater core 3 is provided between the rear moon cylinder path 20 and the warm air passage P2. 3) A rear seat temperature control door 26 is provided in front of the heater core 3 on the front side.

Further, on the exit side of the rear moon air passage 20, a back air outlet 21 for discharging air to the back side is formed.

Therefore, the cold air passing through the rear moon air passage 20 and the rear moon air passage after passing through the hot air passage P2 are separated by the rear temperature control door 25 and the rear auxiliary temperature control door 26 20, and then discharged into the upright space through the upright air outlet 21, thereby cooling and heating up to the upright space.

However, since the air volume of the conventional triple zone air conditioner 1a is controlled by a single blower installed on the side of the air inlet 11 of the air conditioner case 10, only the total air volume can be controlled, There is a problem that can not be done.

In addition, a separate blower has to be added in order to separately control the air flow rate. In this case, there has been a problem that manufacturing costs such as the number of components are increased.

The present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide an air conditioner in which a door temperature control door, a door assistant temperature control door, By controlling the position of the rear auxiliary temperature control door and the rear on-off door to adjust the air volume, it is possible to adjust the air volume without additional parts such as a separate blower for blowing, thus reducing the manufacturing cost and improving the comfort And an air conditioner for a vehicle.

According to an aspect of the present invention, there is provided an air conditioning system comprising an air conditioning case having an all-steel air passage having a cold and warm air passage and a rear moon air passage formed below the all-steel air passage, An evaporator installed on the upstream side of the rear moon air passage and a heater core installed on the hot air passage; an electric heater installed in the pre-air passage to control the opening degree of the cold air passage and the hot air passage, The air conditioner according to any one of claims 1 to 3, wherein the air conditioner further includes a temperature sensor And a control unit for controlling the amount of inflow of the air to the rear moon air cylinder with respect to the air that has been installed on the rear side of the heater core in the air conditioning case, Off door on the inside of the rear moon air passage to open and close the rear moon air passage; and a control device for controlling the back air temperature adjusting door And a control unit for controlling the position of the rear auxiliary temperature control door and the rear on-off door so as to adjust the back air volume.

The present invention relates to an air conditioner provided with a seawater temperature control door, a rear assistant temperature control door and a rear on-off door for heating the seawater, and the seawater temperature control door, By controlling the position of the door to adjust the air flow rate, it is possible to adjust the air volume without additional parts such as separate blower for blowing, thus reducing the number of parts, reducing manufacturing costs such as mold development cost and material cost, .

1 is a sectional view showing a conventional single zone air conditioning apparatus,
2 is a sectional view showing a conventional triple zone air conditioning apparatus,
3 is a perspective view showing a vehicle air conditioner according to the present invention,
4 is a cross-sectional perspective view showing a side of a rearward discharge housing in a vehicle air conditioning system according to the present invention,
Fig. 5 is a side view of Fig. 4,
FIG. 6 is a sectional view showing an all-round cooling mode and an after-cooling mode of the vehicle air conditioning system according to the present invention,
FIG. 7 is a cross-sectional view showing a state in which the open air volume is adjusted in the front and rear cooling mode of FIG. 6,
FIG. 8 is a sectional view showing an all-over heating mode and a full heating mode of the vehicle air conditioning system according to the present invention,
FIG. 9 is a cross-sectional view showing a state in which the air flow rate is adjusted in the front and rear heating mode of FIG.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

As shown in the figure, the air conditioning system 100 according to the present invention includes an air inlet 111 at one side and a plurality of omnidirectional air outlets at the other side (outlet side) An air conditioning case 110 having an all-steel air passage 105 having a front air passage P2 and a rear air passage P3 and a rear moon air passage 140 formed below the front air passage 105; An evaporator 101 installed on the upstream side of the front seat air passage 105 and the rear seat air passage 140 and a heater core 102 provided on the warm air passage P2, A cool air passage P1 provided between the evaporator 101 and the heater core 102 to bypass the heater core 102 and a cool air passage P1 for passing through the heater core 102, And an opening / closing door 115 for controlling the opening degree of the door.

The air conditioning case 110 includes left and right cases 110a and 110b assembled with each other and an integral lower case 110c assembled to the lower parts of the left and right cases 110a and 110b.

In addition, the air conditioning case 110 is provided with a separator 118 for dividing the interior of the air conditioner case 110 to the left and right, so that the temperatures of the left and right front and rear left and right seats can be independently controlled.

In addition, a mixing region MC is formed on the upstream side of the plurality of pre-stall air outlets so that the cold air passing through the cold air passage P1 and the hot air passing through the hot air paths P2 and P3 are mixed with each other.

On the other hand, the hot air passages P2 and P3 are formed in a "U" shape via the heater core 102, the inlet P2 of the hot air passage is diverged from the cold air passage P1, And the outlet P3 communicates with the mixing region MC.

The air flowing into the inlet P2 of the warm air passage passes through the heater core 102 and then turns to the mixing region MC through the outlet P3 of the warm air passage. A partition wall 119 is formed between the inlet P2 of the hot air passage and the outlet P3 of the hot air passage to partition the air on the inlet P2 of the hot air passage and the air on the outlet P3 side of the hot air passage.

The partition wall 119 is formed at the upper end of the heater core 102 and extends from the upper end of the heater core 102 to the rotation axis position of the door temperature control door 115.

A blower (not shown) is installed in the air inlet 111 of the air conditioner case 110 to introduce air or air into the air conditioner case 110.

The plurality of pre-air discharge openings include a defrost vent (112) for discharging air to the windshield of the vehicle, a face vent (113) for discharging air toward the face of the occupant of all seats, and air And floor vents 114 for discharging are sequentially formed.

In addition, the openings of the vents 112 to 114 are controlled by opening and closing the plurality of oven mode doors 116.

Meanwhile, a partition wall 117 is formed between the outlet P3 of the hot air passage and the floor vent 114, and the air flowing into the outlet P3 of the hot air passage by the partition wall 117 The air flowing into the floor vent 114 is partitioned.

The evaporator 101 is installed at a position adjacent to the air inlet 111 of the air conditioner case 110 upstream of the cold air passage P1 and the heater core 102 is connected to the hot air passage P2, and P3.

The evaporator 101 and the heater core 102 may be vertically installed in the air conditioning case 110, but they may be installed at an angle with a certain angle as shown in the drawing.

Although not shown in the drawing, a compressor, a condenser, and an expansion valve are connected to the evaporator 101 through a refrigerant pipe to form a refrigeration cycle, so that air passing through the evaporator 101 is cooled, and the heater core 102 The cooling water heated by the engine is circulated to the heater core 102 through the cooling water pipe so that the air passing through the heater core 102 is heated.

Of course, in an electric vehicle or a hybrid vehicle, an electric heater may be installed instead of the heater core 102.

The oven temperature regulating door 115 includes a rotary shaft installed between the evaporator 101 and the heater core 102 in the air conditioning case 110 and a rotary shaft provided on one side of the rotary shaft, A second door portion 115a formed on the other side of the rotary shaft for adjusting the opening degree of the hot air passage on the outlet P3 side, (115b).

Therefore, in the maximum cooling mode, the first door portion 115a opens the cold air passage P1 and closes the inlet P2 of the hot air passage, and at the same time, The air outlet 115b closes the outlet P3 of the hot air passage to prevent the air in the hot air passage heated by the heater core 102 from flowing toward the mixing area MC.

In the maximum heating mode, the first door portion 115a closes the cold air passage P1 and opens the inlet P2 of the hot air passage, while the second door portion 115b opens the outlet of the hot air passage (P3).

In the air conditioning case 110, a rear moon cylinder path 140 is formed at a lower side of the heater core 102.

The rear moon air passage 140 is partitioned through the hot air passages P2 and P3 and the partition wall 144 and supplies air to the back space through a console box (not shown) We will perform cooperation.

The inlet of the rear moon air passage 140 is formed so as to communicate with the passage on the downstream side (rear side) of the evaporator 101 and the outlet of the rear moon air passage 140 communicates with the backward discharge housing 120 And the back discharge housing 120 is connected to a console box (not shown) in a car interior through a duct (not shown).

A plurality of air discharging holes 120a are formed in the back discharging housing 120 formed on the outlet side of the rear moon air passage 140 to discharge air to the back side.

The plurality of air discharge openings 120a are composed of a top face vent 121 for discharging air toward the face of the rider and a ridge bottom vent 122 for discharging air toward the foot of a rider.

The back face vent 121 is formed at the center in the width direction of the back side discharge housing 120 and the back side floor vent 122 is formed at both ends in the width direction of the back side discharge housing 120, The vent 121 and the standing floor vent 122 are formed at different angles from each other with respect to the center of rotation of the steered mode door 145.

That is, the upright face vent 121 is formed at the outer circumferential surface of the upright discharge housing 120 to communicate with the center of rotation shaft 146 of the upright mode door 145 at 3 o'clock, And is formed communicating at 6 o'clock with the rotation shaft 146 of the gull mode door 145 as the center.

In the inside of the top discharge housing 120, a tear-off mode door 145 for controlling the opening of the tearing face vent 121 and the top floor vent 122, which are the plurality of air discharging holes 120a, Respectively.

The steering mode door 145 is composed of a rotary type door and includes a rotary shaft 146 rotatably mounted on both opposite sides of the rear discharge housing 120, A dome plate 147 which is spaced radially from the dome plate 146 and has a sealing wall 147a at both ends in the rotational direction to control the opening of the upright face vent 121 and the top floor vent 122, And a pair of side plates 148 connecting both ends of the dome plate 147 with the rotation shaft 146.

The rear partition wall 144 partitioning the warm air passages P2 and P3 and the rear moon air passage 140 allows the rear moon air passage 140 and the front warm air passage of the heater core 102 to communicate with each other A hot air inlet 135 and a hot air outlet 136 for communicating the rear hot air passage of the heater core 102 and the upright discharge housing 120 are formed.

The inflow amount of the rear moon air passage 140 and the warm air passage P 2 is adjusted to the air passing through the evaporator 101 on the rear moon air passage 140 in the air conditioning case 110, And an inflow amount of the rear moon air passage 140 with respect to the air that has passed through the heater core 102 is provided on the rear side of the heater core 102 in the air conditioning case 110 The auxiliary seating temperature control door 142 is provided.

More specifically, the rear temperature control door 141 is installed at one side of the warm air inlet 135 in front of the heater core 102 to adjust the opening degree of the rear moon air passage 140 and the warm air inlet 135 do. The heated temperature control door 141 is connected to the heater core 102 through the hot air inlet 135 and the hot air outlet 136 and the hot air passing through the heater core 102 ) Of the cold wind that is bypassed.

The auxiliary auxiliary temperature control door 142 is provided at one side of the hot air outlet 136 at the rear of the heater core 102 to control the opening degree of the hot air outlet 136. Accordingly, the rear auxiliary temperature control door 142 supplies a part of the warm air that has passed through the heater core 102 to the back discharge chamber 120 on the outlet side of the rear moon air passage 140.

Meanwhile, the rear auxiliary temperature control door 142 is linked to the rear temperature control door 141 by a link (not shown).

In addition, a back-on-off door 143 for opening and closing the rear moon shaft passage 140 is installed in the rear moon shaft passage 140.

The backside temperature control door 141, the backside assistance temperature control door 142 and the rear on-off door 143 are formed of a flat type door. That is, the inside of the air conditioner case 110 A rotating shaft rotatably installed on the side surface, and a plate extending in the form of a flat plate on the outer circumferential surface of the rotating shaft.

In addition, the seatback space is provided with a seat temperature control switch (not shown) and a seat air volume control switch (not shown) so that the passenger can adjust the seat temperature through the operation of the seat temperature control switch, To control the amount of air flow.

That is, when the maximum cooling mode is set by operating the top temperature control switch, the controller 150 controls the temperature of the hot air inlet 135 and the temperature of the hot air 135 through the backside temperature control door 141 and the backside auxiliary temperature control door 142, The cold air passing through the evaporator 101 flows into the rear moon air passage 140 by closing the outlet 136 and opening the rear moon air passage 140 through the rear door on / The air is supplied to the back side through the air passage,

The control unit 150 controls the hot air inlet 135 and the hot air outlet 135 via the rear temperature control door 141 and the rear assist temperature control door 142. [ And the rear moon air passage 140 is closed through the rear on-off door 143 so that air passing through the evaporator 101 passes through the heater core 102 of the warm air passage After being heated, it is supplied to the back side to heat up the background.

On the other hand, when adjusting the hot stone temperature, the hot air inlet 135 and the hot air outlet 136 are opened through the seated temperature control door 141 and the assistant auxiliary temperature control door 142, And the rear moon air passage 140 is also opened through the air passage 150. Thus, the hot air and the cold air are mixed and supplied to the back side to adjust the temperature of the back side.

In the present invention, the control unit 150 controls the amount of air flow without adding a separate blower. That is, when controlling the amount of air flowing through the operation of the deep air volume adjusting switch, And controls the position of the auxiliary temperature control door 142 and the back-on-off door 143 to adjust the air flow rate.

In other words, it is possible to control the open / close mode as well as the open / close mode by controlling the open / close door 142, the open / close door 142 and the open / close door 143.

The control unit 150 adjusts the position of the rear door on / off door 143 to adjust the amount of air supplied to the rear door when the back air volume is adjusted in the rear air cooling mode.

That is, in the advanced cooling mode, the rear temperature control door 141 and the rear auxiliary temperature control door 142 close the hot air inlet 135 and the hot air outlet 136, Opens up the rear moon cylinder path 140 to the maximum,

In this case, the control unit 150 adjusts only the position of the on-off door 143 to control the amount of air flow.

At this time, when controlling the position of the door-on-off door 143 to adjust the air flow rate, the controller 150 controls the door temperature control door 141 and the assistant auxiliary temperature control door 142 to the cooling mode position The position where the hot air inlet 135 and the hot air outlet 136 are closed)

On the other hand, at the time of adjusting the air flow rate in the open air cooling mode, since the hot air inlet 135 and the hot air outlet 136 are closed, the position of the rear on / off door 143 is variably controlled, ), It is possible to control the amount of cold wind without substantially changing the temperature at the time of cooling.

In addition, the position of the rear on / off door 143 is changed in response to the operation of the back air volume adjusting switch when the back air volume is adjusted in the back air cooling mode, and as shown in FIG. 5, The position of the door 143 is varied.

The controller 150 adjusts the amount of air supplied to the upper and lower passengers by varying the position of the backside temperature control door 141 and the backside auxiliary temperature control door 142 do.

That is, in the deep-heating mode, the rear temperature control door 141 and the rear auxiliary temperature control door 142 open the hot air inlet 135 and the hot air outlet 136, Closes the rear moon air passage 140,

In this case, the control unit 150 controls the position of the backside temperature control door 141 and the backside auxiliary temperature control door 142 by varying the position of the backside air temperature control door 142 to adjust the back air volume.

At this time, when controlling the position of the rear temperature control door 141 and the rear auxiliary temperature control door 142 to adjust the back air volume, the control unit 150 controls the rear on / To the closed position (heating mode position).

On the other hand, when the back air flow rate is controlled in the back heating mode, since the back air passage 140 is closed, the position of the back air temperature control door 141 and the back air assist temperature control door 142 are variably controlled, Even if the opening degree of the inlet 135 and the warm air outlet 136 is adjusted, the temperature change in the heating is almost zero and the warm air flow rate can be controlled.

In addition, when the air flow rate is adjusted in the deep heating mode, the positions of the top and bottom auxiliary temperature control doors 141 and 142 vary according to the operation of the back air flow control switch, The seat temperature control door 141 and the seat assistant temperature control door 142 are changed in position in the air volume control section (the seat temperature control door 141 is omitted in FIG. 5)

On the other hand, it is not possible to increase the amount of air supplied to the back seat when the back air volume is adjusted in the back air cooling mode or the back air heating mode. However, since the back air temperature control door 141, the back seat auxiliary temperature control door 142, 143), the air volume reduction is possible.

Therefore, it is possible to adjust the air volume without additional parts such as a separate blower for blowing, which can reduce the number of parts, reduce the manufacturing costs such as mold development cost and material cost, and improve the comfort of rear end.

Hereinafter, the operation of the air conditioner for a vehicle according to the present invention will be described.

The description of general air discharge mode (de-frost mode, vent mode, bistle mode, floor mode, and mix mode) is omitted. Typically, when the air flow rate is adjusted in the front, rear air cooling mode, , The backward heating mode, and the front and rear heating modes.

end. All-air cooling mode and deep-air cooling mode (Fig. 6)

The all-round temperature control door 115 opens the cold air passage P1 and closes the inlet and the outlet P2 and P3 of the hot air passage as shown in FIG. 6 .

In addition, for aft cooling, the rear-on-off door 143 opens the rear masonry passage 140, the rear temperature control door 141 closes the hot air inlet 135, (142) closes the hot air outlet (136).

Meanwhile, the gentle mode door 145 closes the gentle floor vent 122.

In addition, the air conditioner is operated to circulate cold refrigerant in the evaporator 101.

Therefore, the air blown into the air conditioning case 110 through the air blowing device is converted into a cool air in the process of passing through the evaporator 101, and a part of the air is discharged to the air discharge port through the cool air passage P1 The entire space is cooled,

And a part of the air is discharged toward the face of the seated passenger through the rear masonry passage 140 and the seam face vent 121 to cool the seated space.

I. In the case of adjusting the air flow rate in the pre- and post-cooling mode (FIG. 7)

7, the position of the rear on-off door 143 is controlled in the front and rear cooling mode of FIG. 6 to control the opening degree of the rear moon air passage 140, .

Accordingly, the amount of the cold air flowing through the rear moon air passage 140 is adjusted by adjusting the opening degree of the rear door-off door 143, and then the amount of air is adjusted.

All. All-over heating mode and full heating mode (Figure 8)

8, the front seat temperature control door 115 closes the cold air passage P1 and opens the mouths P2 and P3 of the hot air passage do.

In addition, the back-on-off door 143 closes the rear masonry passage 140, and the back-side temperature control door 141 opens the warm-air inlet 135, (142) opens the hot air outlet (136).

Meanwhile, the gentle mode door 145 closes the gentle face vent 121.

In addition, the air conditioner is stopped, and the hot engine cooling water circulates in the heater core 102.

Therefore, the air blown into the air conditioning case 110 through the blower passes through the evaporator 101, and a part of the air that has passed through the evaporator 101 flows through the warm air passages P2 and P3 In the process of passing through the heater core 102, the hot air is changed into hot air,

A part of the air flows into the rear moon air passage 140 and then flows into the hot air passage through the hot air inlet 135 and then into the hot air in the course of passing through the heater core 102, And then discharged to the feet of the occupant through the back floor vent 122 to heat the upright space.

la. When adjusting the air flow rate in the front / rear heating mode (FIG. 9)

9, in the front and rear heating mode of FIG. 8, the position of the back-side temperature control door 141 and the back-side auxiliary temperature control door 142 are controlled in the forward and backward heating mode, The opening degree of the warm air inlet 135 and the warm air outlet 136 are controlled.

Therefore, the amount of the air flowing into the hot air inlet 135 and flowing to the hot air outlet 136 is adjusted by adjusting the openings of the rear temperature control door 141 and the rear auxiliary temperature control door 142, So that the amount of backwashing air is adjusted.

100: air conditioner 101: evaporator
102: heater core 105: all-purpose air passage
110: air conditioning case
111: air inlet 112: diffused vents
113: Pace Vents 114: Floor Vents
115: front seat temperature control door 115a: first door portion
115b: second door portion 116: front door mode door
117: partition wall 118: separator
119:
120: Teflon discharge housing 121: Tread face vent
122: Hollow floor vent
135: Hot Air Entrance 136: Hot Air Entrance
140: a rear miter cylinder 141: a rear temperature control door
142: Roof auxiliary temperature control door 143: Roof on off door
144: compartment wall
145: Barge mode door 150:

Claims (6)

An air conditioning case 110 provided with an all-steel air passage 105 having cold and warm air passages P1, P2 and P3 and a rear moon air passage 140 formed below the all-steel air passage 105, An evaporator 101 installed on the upstream side of the oval air passage 105 and the rear oven air passage 140 in the air conditioning case 110 and a heater core 102 provided on the hot air passage P2, An air conditioning temperature control door 115 installed in an air chamber 105 for controlling the temperature of the front seat space by regulating the opening degree of the cold air passage P1 and the warm air passage P2,
The temperature of the seawater is controlled by adjusting the inflow amount of the rear moon air passage 140 and the warm air passage P 2 to the air passing through the rear moon air passage 140 and passing through the evaporator 101, A door 141,
An auxiliary auxiliary temperature control door 142 installed on the rear side of the heater core 102 in the air conditioning case 110 and controlling the inflow amount of the rear moon air passage 140 with respect to air passing through the heater core 102, ,
Off door 143 installed inside the rear moon air passage 140 to open and close the rear moon air passage 140,
A controller (not shown) for controlling the position of the open / close door 142 and the open / close door 143 when the open / close air amount is adjusted by operating the open / close air amount adjusting switch 150). ≪ / RTI > The method according to claim 1,
The control unit 150,
Wherein the control unit controls the position of the on-off-off door (143) in a variable manner to control the amount of air supplied to the back seat when the back air volume is adjusted in the back air cooling mode. The method according to claim 1,
The control unit 150,
Wherein the air conditioner adjusts the amount of air supplied to the passenger by varying the position of the seat temperature control door (141) and the seat assistant temperature control door (142) when the air flow rate is adjusted in the seat heating mode. 3. The method of claim 2,
The control unit 150,
Wherein the seat temperature control door (141) and the seat assistant temperature control door (142) are fixed at a cooling mode position when the seatback (143) is controlled in position. The method of claim 3,
The control unit 150,
Off door 143 is fixed to a closed position of the rear moon air passage 140 when the position of the rear temperature control door 141 and the rear auxiliary temperature control door 142 is controlled. Device. The method according to claim 1,
The back exhaust ventilation housing 120 having the back face vent 121 and the back floor vent 122 is provided at the outlet side of the rear moon air passage 140 of the air conditioning case 110,
Wherein a tear-off mode door (145) is provided in the inside of the tear discharge housing (120) to adjust the opening of the tearing face vent (121) and the tearing floor vent (122) .

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