KR101350301B1 - Air conditioner for vehicle - Google Patents

Abstract

The present invention relates to an air conditioner for a vehicle, and more particularly, a pair of rollers connected to each other between an evaporator and a heater core by sliding a single lever, and at the same time a cold air passage and a warm air during the sliding operation of the roller. By allowing the film to adjust the opening degree of the aisle, the installation / operating space of the temperature control door can be minimized, thereby miniaturizing the size of the air conditioning system and maximizing the use space of the passengers, and reducing the noise when the temperature control door is operated. The present invention relates to a vehicle air conditioner capable of improving the mixing performance of cold and warmth in a mixed mode.

In the present invention, the air inlet 111 is formed on the inlet side and the air outlet case formed with a plurality of air outlet on the outlet side, the evaporator 101 is installed on the air passage inside the air conditioning case 110 and It is installed between the heater core 102 and the evaporator 101 and the heater core 102 and the warm air passage P1 bypassing the heater core 102 and the warm air passing through the heater core 102. In the vehicle air conditioner comprising a temperature control door 200 for adjusting the opening degree of the passage (P2), the temperature control door 200 is on the inlet side of the cold air passage (P1) and the hot air passage (P2). Positioned and guide slots 110a and 110b of a predetermined length formed on inner wall surfaces of the air conditioning case 110, the guide slots 110a on the side of the cold air passage P1, and the warm air passage P2, respectively. A pair of both ends slidably coupled to the side guide slot 110b, respectively. Rollers 210 and 220 and one end are respectively fixed to one side air-conditioning case 110 side of the cold air passage P1 and the warm air passage P2, and the other end of the pair of rollers 210 and 220. A pair of films 213 and 223 which are respectively wound on the air conditioning passage 110 to adjust the opening degree of the cold air passage P1 and the warm air passage P2, and the pair of rollers ( Drive means 230 for sliding one of the rollers 220, 210, 220 along the guide slot 110b, the pair of rollers 210, 220 and the air conditioning case 110 The rotating means 240 is installed between the inner wall surface of the roller and rotates the rollers 210 and 220 when the pair of rollers 210 and 220 move along the guide slots 110a and 110b. It is characterized by comprising.

Air Conditioning Unit, Air Conditioning Case, Temperature Control Door, Roller, Film, Link, Lever

Description

Automotive air conditioning unit {AIR CONDITIONER FOR VEHICLE}

1 is a sectional view showing a conventional automotive air conditioner,

2 is a cross-sectional view showing a vehicle air conditioner according to the present invention;

3 is a perspective view showing a temperature control door in a vehicle air conditioner according to the present invention;

4 is a cross-sectional view taken along the line A-A of FIG.

5 is a cross-sectional view showing when the cooling mode in the vehicle air conditioner according to the present invention;

6 is a cross-sectional view showing the heating mode in the vehicle air conditioner according to the present invention;

7 is a cross-sectional view showing a mixed mode in the vehicle air conditioner according to the present invention.

<Explanation of symbols for the main parts of the drawings>

100: air conditioner 101: evaporator

102: heater core 110: air conditioning case

110a, 110b: guide slot 110c: depression

111: air inlet 112: defrost vent

113: face vent 114,115: floor vent

116: mod door 117: guide wall

200: temperature control door 210,220: roller

211,221: Pinion gear 212,222: Guide pin

213,223 Film 214,224 Bolt

230: drive means 231: lever

232: link 233: actuator

240: rotating means 241: rack gear

250: link

The present invention relates to an air conditioner for a vehicle, and more particularly, a pair of rollers connected to each other between an evaporator and a heater core by sliding a single lever, and at the same time a cold air passage and a warm air during the sliding operation of the roller. By allowing the film to adjust the opening degree of the aisle, the installation / operating space of the temperature control door can be minimized, thereby miniaturizing the size of the air conditioning system and maximizing the use space of the passengers, and reducing the noise when the temperature control door is operated. The present invention relates to a vehicle air conditioner capable of improving the mixing performance of cold and warmth in a mixed mode.

In general, the vehicle air conditioner is a vehicle interior that is installed for the purpose of securing the driver's front and rear view by removing the frost that is caught in the windshield during the rainy season or the winter, or by cooling or heating the interior of the car during the summer or winter. As such, the air conditioner is usually equipped with a heating device and a cooling device at the same time to selectively introduce the outside air or bet and then heat or cool the air and blow it into the vehicle interior to cool, heat or ventilate the vehicle interior.

According to the independent structure of the blower unit, the evaporator unit, and the heater core unit, the air conditioner includes a three-piece type in which the three units are independently provided, and an evaporator unit and a heater core unit, And a center mounting type in which all of the three units are incorporated in an air conditioning case can be categorized into a semi-center type in which a fan unit is installed as a separate unit, and a center mounting type in which all the three units are incorporated in an air conditioning case.

1 shows the semi-center type vehicle air conditioner, in which the air inlet 11 is formed at the inlet side, and the opening degree is adjusted by the mode door 16 at the outlet side, respectively. An air conditioning case 10 provided with a frost vent 12a, a face vent 12b, and floor vents 12c and 12d; An air blower (not shown) connected to the air inlet 11 of the air conditioning case 10 to blow indoor air or outdoor air; An evaporator (2) and a heater core (3) embedded in the air conditioning case (10); The opening of the cold air passage P1 which is installed between the evaporator 2 and the heater core 3 and bypasses the heater core 3 and the warm air passage P2 which passes through the heater core 3, And a temperature control door 15 for controlling the temperature.

Further, the floor vents 12c and 12d are separated into a front seat vent 12c and a rear seat vent 12d.

The temperature control door 15 includes a rotation shaft 15b rotatably installed at both side walls of the air conditioning case 10 and a plate 15a formed at one side of the rotation shaft 15b.

The temperature control door 15 is connected to a cam (not shown) or a lever (not shown) that is driven by an actuator (not shown) installed on the outer surface of the air conditioning case 10 to rotate the cold, hot air The opening degree of the passages P1 and P2 is adjusted.

According to the vehicle air conditioner 1 configured as described above, when the maximum cooling mode is operated, the temperature control door 15 opens the cold air passage P1 and closes the hot air passage P2. do. Accordingly, the air blown by the blower not shown is exchanged with the refrigerant flowing through the evaporator 2 while passing through the evaporator 2 to be changed into cold, and then the mixing chamber (Mixing) through the cold air passage (P1) Chamber (MC), and is discharged to the vehicle interior through the vent (12a ~ 12d) is opened in accordance with the predetermined air conditioning mode, thereby cooling the vehicle interior.

In addition, when the maximum heating mode is activated, the temperature control door 15 closes the cold air passage P1 and opens the hot air passage P2. Accordingly, the air blown by the blower not shown is heat exchanged with the coolant flowing through the inside of the heater core 3 while passing through the heater core 3 through the hot air passage (P2) after passing through the evaporator (2) After changing to warmth, it flows toward the mixing chamber MC, and is then discharged into the vehicle interior through vents 12a to 12d that are opened according to a predetermined air conditioning mode, thereby heating the vehicle interior.

On the other hand, when the cooling mode, that is, the half cooling mode, is activated instead of the maximum cooling mode, the temperature control door 15 rotates to the neutral position to cool the cool air passage P1 with respect to the mixing chamber MC. And the hot air passage P2 are both opened. Therefore, after the cool air passed through the evaporator 2 and the warm air passed through the heater core 3 are mixed by flowing toward the mixing chamber MC, the vents 12a to 12d are opened to the vehicle interior through the air conditioning mode. Discharged.

However, the conventional air conditioner 1 for a vehicle has a problem in that the size of the air conditioner 1 is increased due to the need for the rotation space of the temperature control door 15. There is a problem that this becomes smaller.

In addition, the components such as a lever or a cam for operating the temperature control door 15 is located outside the air conditioning case 10, there was also a problem that the malfunction by the foreign matter.

In addition, when the temperature control door 15 rotates to close the cold air passage P1 or the hot air passage P2, the plate 15a collides with the inner wall surface of the air conditioning case 10 to generate noise. there is a problem.

An object of the present invention for solving the above-mentioned problems is to operate a pair of rollers connected to each other between the evaporator and the heater core by one lever, and at the same time the cold air passage and the warm air passage during the sliding operation of the rollers. By allowing the film to adjust the opening degree of the device, the installation / operation space of the temperature control door can be minimized to reduce the size of the air conditioning system, maximize the occupant's utilization space, and reduce the noise during the operation of the temperature control door. In addition, it is possible to improve the mixing performance of cold and warm in the mixed mode, and to provide a vehicle air conditioner to prevent the malfunction caused by foreign matters, such that the components that operate the temperature control door is located inside the air conditioning case. .

The present invention for achieving the above object, the air inlet is formed on the inlet side and the outlet side a plurality of air outlet is formed, the evaporator and heater core installed on the air passage inside the air conditioning case, the evaporator And a temperature control door installed between the heater core and the cooling air passage bypassing the heater core, and a temperature control door for adjusting the opening degree of the warm air passage passing through the heater core. And a guide slot having a predetermined length formed on the inlet side of the cold air passage and the hot air passage, and formed on an inner wall surface of the air conditioning case, and the cold air passage side guide slot and the hot air passage side guide slot, respectively. A pair of rollers slidably coupled to one end, and one end of the cold air passage and the warm air passage A pair of films fixed to the jaw case side and the other end is wound around the pair of rollers respectively to adjust the opening degree of the cold air passage and the hot air passage, and the pair of rollers are installed on the air conditioning case side. A driving means for sliding one of the rollers along the guide slot, and the pair of rollers and the inner wall surface of the air conditioning case, and the pair of rollers move along the guide slot. It characterized in that it comprises a rotating means for rotating the roller.

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

Repeated explanations of the same structure and operation as those of the conventional art will be omitted.

Figure 2 is a cross-sectional view showing a vehicle air conditioner according to the present invention, Figure 3 is a perspective view showing a temperature control door in the vehicle air conditioner according to the present invention, Figure 4 is a cross-sectional view taken along line AA of Figure 3, Figure 5 is the present invention Figure 6 is a cross-sectional view showing when the cooling mode in the vehicle air conditioner according to the present invention, Figure 6 is a cross-sectional view showing the heating mode in the vehicle air conditioner according to the present invention, Figure 7 is a mixed mode in the vehicle air conditioner according to the present invention It is sectional drawing which shows.

First, the temperature control door 200, which is a feature of the present invention, is applicable to various air conditioning apparatuses such as a center mounting type, a semi-center type, a three-piece type, and the semi-center type air conditioning apparatus 100 will be described as an example. Let's do it.

Briefly describing the semi-center type vehicle air conditioner 100, the air inlet 111 is formed on the inlet side and a plurality of air outlets are formed on the outlet side and the cold air passage (P1) and the warm air passage on the interior air passage The air conditioner case 110 having the P2 formed thereon, the evaporator 101 and the heater core 102 installed on the air passage inside the air conditioner case 110, and the evaporator 101 and the heater core 102. In addition to the installed between the cold air passage (P1) bypassing the heater core 102 and the temperature control door 200 for adjusting the opening degree of the hot air passage (P2) passing through the heater core 102, It is composed.

The air inlet 111 of the air conditioning case 110 is provided with an air blower (not shown) for blowing indoor air or outdoor air.

The plurality of air discharge ports formed at the outlet side of the air conditioning case 110 may include a defrost vent 112 for discharging air toward the windshield of the vehicle and a face vent for discharging air toward the face of the front occupant. 113 and floor vents 114 and 115 for discharging air toward the occupant's foot are formed in this order. The vents 112 to 115 are opened and closed by the mode door 116 to adjust the opening degree.

On the other hand, the vents 112 to 115 are connected through a specific discharge port and a duct (not shown) in the vehicle interior.

In addition, the floor vents 114 and 115 are separated into a front seat vent 114 for discharging air toward the front occupant's foot and a rear seat vent 115 for discharging air toward the rear occupant's foot. It is.

Meanwhile, a guide wall 117 is formed between the rear side warm air passage P2 of the heater core 102 and the floor vents 114 and 115 so as to be partitioned from each other.

The temperature control door 200 includes guide slots 110a and 110b, a pair of rollers 210 and 220, a pair of films 213 and 223, and a driving means 230. And, it comprises a rotating means 240.

First, the guide slots 110a and 110b are formed to have a predetermined length and depth on the inner wall surfaces of the air conditioning case 110 so that the pair of rollers 210 and 220 can slide. You will act as a guide. At this time, the guide slots (110a) (110b) are respectively located in the inlet side (upstream side) of the cold air passage (P1) and the hot air passage (P2) of the air conditioning case 110, the cold air passage (P1) and hot air It is formed in the direction crossing the passage P2.

In addition, the guide slot (110a) formed on the inlet side of the cold air passage (P1) and the guide slot (110b) formed on the inlet side of the warm air passage (P2) may be in communication with each other, may be formed separately.

The pair of rollers 210 and 220 are slidably coupled to the cold air passage P1 side guide slot 110a and the warm air passage P2 side guide slot 110b, respectively. In this case, guide pins 212 and 222 are formed to protrude from both ends of the pair of rollers 210 and 220 so as to slide smoothly in the guide slots 110a and 110b. 222 is inserted into the guide slot (110a) (110b) to slide.

In addition, one end of the pair of rollers 210 and 220 is connected to each other by a link 250 to interlock. That is, the pair of rollers 210 and 220 by the link 250 is always sliding at the same time along the guide slot (110a) (110b) while maintaining a constant interval.

At this time, when the roller 220 in the lower direction of the pair of rollers 210 and 220 is located at the lower end of the guide slot 110b of the warm air passage (P2), the roller 210 in the upper direction The cold air passage (P1) is located at the lower end of the guide slot (110a).

In addition, both ends of the link 250 is preferably coupled to the guide pins 212 and 222 formed on one end of the pair of rollers 210 and 220, respectively.

On the other hand, the pair of rollers 210 and 220 may be driven simultaneously by using the link 250, or may be separately driven through the driving means 230, omitting the link 250. .

In addition, the pair of films 213 and 223 are thin films 213 and 223 so that they can be easily wound and unwound, and one end of one side of the cold air passage P1 and the warm air passage P2 is air-conditioned. It is fixed to the case 110 side with bolts 214 and 224, respectively, and the other end is wound around the pair of rollers 210 and 220, respectively, of the cold air passage P1 and the warm air passage P2. The opening degree is controlled.

The pair of films 213 and 223 are installed so that each end facing each other is wound around the pair of rollers 210 and 220, respectively, and one of the pair of films 213 and 223 When the film is wound on the rollers 210 and 220 on the one, the other film is installed to be released from the other rollers 210 and 220.

As shown in the figure, the ends of the film 213 for adjusting the opening degree of the cold air passage (P1) and the film 223 for adjusting the opening degree of the warm air passage (P2) are located at positions corresponding to each other. It is installed to be wound around the pair of rollers (210) (220), the ends in opposite directions are respectively the upper air conditioning case 110 side of the cold air passage (P1) and the lower air conditioning case (110) of the warm air passage (P2) It is fixed with bolts 214 and 224 on the side.

Accordingly, when the cold air passage (P1) side roller 210 of the pair of rollers (210, 220) is wound around the film 213 to open the cold air passage (P1) to the link 250 at the same time The connected hot air passage (P2) side roller 220 to close the hot air passage (P2) by releasing the film 223, on the contrary, the cold air passage (P1) side roller 210 releases the film 213 to the cold air passage When the P1 is closed, the hot air passage P2 side roller 220 connected to the link 250 simultaneously opens the hot air passage P2 by winding the film 223.

In addition, the driving means 230 is installed on the air-conditioning case 110 and the one of the rollers 210 and 220 of the pair of rollers 220 to the guide slots 110a and 110b. It is moved along the sliding.

The driving means 230, the lever 231 is rotatably installed on one side inner wall surface of the air conditioning case 110, the connection connecting the end of the lever 231 and one end of the roller 220 Link 232 and the actuator 233 is installed on the outer surface of the air conditioning case 110 to rotate the lever 231.

Here, the connection link 232 is preferably connected to the end of the lever 231 and the guide pin 222 protruding from one end of the roller 220.

Accordingly, when the one lever 231 is rotated by the driving of the actuator 233, the pair of rollers 210 and 220 connected to each other through the link 250 are guide slots 110a and 110b. ) Will slide along.

In the drawing, only the case in which the lever 231 is connected to the hot air passage (P2) side roller 220 through the connecting link 232, but also connected to the cold air passage (P1) side roller 210 It's okay.

On the other hand, in order to downsize the air conditioner 100, the center of rotation of the lever 231 is preferably located on the side of the evaporator 101.

At this time, the lever 231 is fixed as long as the operating range of the lever 231 on one inner wall surface of the air conditioning case 110 in which the lever 231 is installed so as not to interfere with the evaporator 101 when the lever 231 rotates. A deep recessed recess 110c is formed.

Therefore, one side of the lever 231 is installed to overlap the side of the evaporator 101 without receiving the interference of the evaporator 101 in the depression (110c) before and after the air conditioning apparatus 100 It is possible to miniaturize the size.

In addition, the rotation means 240 is installed between the pair of rollers 210 and 220 and the inner wall surface of the air conditioning case 110 so that the pair of rollers 210 and 220 are guide slots. When moving along the (110a) (110b) it is to rotate the rollers (210, 220).

That is, the rotation means 240 is a pinion gear (211) 221 formed on the outer peripheral surface of both ends of the pair of rollers (210, 220) and the guide slot (110a) of the inner wall surface of the air conditioning case (110) 110b is formed on one side and the rack gear 241 is engaged with the pinion gear (211, 221).

Therefore, when the pair of rollers 210 and 220 slide along the guide slots 110a and 110b, the pinion gears 211 and 221 mesh with the rack gear 241, thereby allowing the pair of rollers 210 and 220 to slide. The pair of rollers 210 and 220 are rotated, respectively, to wind or unwind the pair of films 213 and 223.

On the other hand, the present invention is a component for operating the pair of rollers (210, 220) (lever 231, link 232, link 250) are all located inside the air conditioning case 110 By doing so, it is possible to prevent malfunction due to external foreign matters, and by activating a pair of rollers 210 and 220 with one lever 231, the operation structure can be simplified.

In addition, the present invention has the effect that can be interlocked with other doors in the air conditioning apparatus through the cam, because the structure to drive the sliding operation temperature control door 200 using a lever, such as a general plate-shaped door. Is large.

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

First, in the cooling mode, as shown in FIG. 5, the pair of rollers 210 and 220 connected to the link 250 by the operation of the lever 231 are simultaneously along the guide slots 110a and 110b. Sliding gears in a direction, and at the same time, the pinion gears 211 and 221 formed on the pair of rollers 210 and 220 are formed on one side of the guide slots 110a and 110b. It rotates by engaging with.

At this time, the cold air passage (P1) side roller 210 is wound around the cold air passage (P1) side film 213 to open the cold air passage (P1), the hot air passage (P2) side roller 220 The hot air passage (P2) side of the film 223 is released to close the hot air passage (P2).

Therefore, when air (bet or outside air) is blown into the air conditioning case 110 by the operation of the blower, the air is cooled while passing through the evaporator 101 is changed to cold.

The cold air cooled while passing through the evaporator 101 passes through the cold air passage P1 opened by the temperature control door 200, and then the vent opened by the mode door 116 according to the air conditioning mode. 112 to 115 are supplied to the vehicle interior to cool the vehicle interior.

In the heating mode, as shown in FIG. 6, the pair of rollers 210 and 220 connected to the link 250 by the operation of the lever 231 simultaneously move downward along the guide slots 110a and 110b. The pinion gears 211 and 221 formed on the pair of rollers 210 and 220 are engaged with the rack gear 241 formed at one side of the guide slots 110a and 110b. Each will rotate.

At this time, the cold air passage (P1) side roller 210 to release the cold air passage (P1) side film 213 to close the cold air passage (P1), the hot air passage (P2) side roller 220 is The hot air passage P2 is wound around the film 223 to open the hot air passage P2.

Therefore, when air (bet or outside air) is blown into the air conditioning case 110 by the operation of the blower, the air passes through the evaporator 101 and the hot air passage opened by the temperature control door 200. The air moved to P2, and the air moved to the warm air passage P2 is changed to warmth while passing through the heater core 102, and then the vent opened by the mode door 116 according to the air conditioning mode. 112 through 115 are supplied to the vehicle interior to heat the vehicle interior.

In the mixed mode, as shown in FIG. 7, the pair of rollers 210 and 220 connected to the link 250 by the operation of the lever 231 have the guide slot 110a and the warm air in the cold air passage P1. The pinion gears 211 and 221 formed on the pair of rollers 210 and 220 are respectively slidably moved only to the intermediate position of the guide slot 110b on the side of the passage P2. Engaged in the rack gear 241 formed on one side of (110b) is to rotate respectively.

At this time, the cold air passage (P1) side roller 210 is half or open the cold air passage (P1) side film 213 by half or open the cold air passage (P1) 1/2, the hot air passage (P2) The side roller 220 opens or closes the warm air passage P2 1/2 by winding or unwinding only half the film 223 of the warm air passage P2. At this time, the passage portion opened by 1/2 of the cold air passage (P1) and the hot air passage (P2) is located in the middle portion between the cold air passage (P1) and the hot air passage (P2) to smoothly mix the cold and warmth. And the mixing performance is improved.

Therefore, when air (bet or outside air) is blown into the air conditioning case 110 by the operation of the blower, the air is cooled while passing through the evaporator 101 is changed to cold.

Some of the cold air cooled while passing through the evaporator 101 passes through the cold air passage P1 opened 1/2 by the temperature control door 200, and a part of the cold air cooled by the temperature control door 200. The heater core 102 changes into warmth while passing through the open air passage P2 opened by 1/2.

Thereafter, the cold air passing through the cold air passage P1 and the warm air passing through the hot air passage P2 are mixed with each other in the mixing chamber MC, and then opened by the mode door 116 according to the air conditioning mode. The vents 112 to 115 are supplied to the vehicle interior to maintain the vehicle interior at an appropriate temperature.

According to the present invention, while sliding the pair of rollers connected to each other between the evaporator and the heater core by one lever at the same time to adjust the opening degree of the cold air passage and the hot air passage during the sliding operation of the roller. By allowing the film to be wound, the installation / operation space of the temperature control door can be minimized to reduce the size of the air conditioning apparatus and maximize the utilization space of the passenger, and reduce the noise during the operation of the temperature control door.

In addition, in the mixed mode, the open passage portion of the cold air passage and the hot air passage is located in the middle portion between the cold air passage and the hot air passage to smoothly mix the cold and warm and improve the mixing performance.

And, the components for operating the temperature control door is located inside the air conditioning case to prevent malfunction due to external foreign matters.

In addition, the operation structure is simplified by simultaneously operating a pair of rollers with one lever.

In addition, since the sliding temperature control door is configured to be driven using a lever or the like like a general plate-shaped door, an effect that can be interlocked with another door in the air conditioning apparatus through a cam or the like is large.

Claims (6)

The air inlet 111 is formed on the inlet side and the air conditioning case 110 formed with a plurality of air outlets on the outlet side, An evaporator 101 and a heater core 102 installed on an air passage in the air conditioning case 110; Installed between the evaporator 101 and the heater core 102, and the opening degree of the cold air passage (P1) passing through the heater core 102 and the warm air passage (P2) passing through the heater core 102 In the vehicle air conditioner comprising a temperature control door 200 to adjust, The temperature control door 200 is located at the inlet side of the cold air passage (P1) and the hot air passage (P2), respectively, and a guide slot having a predetermined length formed on an inner wall surface of the air conditioning case 110 ( 110a) 110b, A pair of rollers (210) (220) having both ends slidably coupled to the guide slot (110a) and the guide slot (110b) of the warm air passage (P2) side of the cold air passage (P1), respectively; One end is fixed to one side of the air conditioning case 110 of the cold air passage (P1) and the warm air passage (P2), respectively, the other end is wound around the pair of rollers (210, 220), respectively, the cold air passage ( P1) and a pair of films 213 and 223 for adjusting the opening degree of the warm air passage P2,  In order to slide the roller 220 of any one of the pair of rollers 210 and 220 along the guide slot 110b, a center of rotation is located on the side of the evaporator 101 and the air conditioning case ( A lever 231 rotatably installed on one inner wall of one side 110, a connecting link 232 connecting an end of the lever 231 to one end of the roller 220, and the pair of rollers 210. A driving means (230) formed of a link (250) which is connected to and interlocked with each other (220) and an actuator (233) which is installed on an outer surface of the air conditioning case (110) to rotate and operate the lever (231); It is installed between the pair of rollers 210 and 220 and the inner wall surface of the air conditioning case 110, and the pair of rollers 210 and 220 moves along the guide slots 110a and 110b. Vehicle air conditioning apparatus comprising a rotating means 240 for rotating a pair of rollers (210) (220). delete The method of claim 1, The rotation means 240 is a pinion gear 211, 221 formed on the outer peripheral surface of the both ends of the pair of rollers 210, 220, and the guide slot 110a (inner wall surface of the air conditioning case 110) ( 110b) vehicle air conditioning apparatus, characterized in that formed on one side and made of a rack gear (241) for meshing with the pinion gear (211) (221). The method of claim 1, The pair of films 213 and 223 are installed so that each end facing each other is wound around the pair of rollers 210 and 220, respectively, one of the pair of films 213 and 223. When the film of the wound on the roller of the other one of the other air vehicle is characterized in that it is installed to be released from the other roller. delete delete

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