KR20100104781A - Air conditioner for vehicles - Google Patents

Abstract

The present invention relates to a vehicle air conditioner, and more particularly, to form a console auxiliary inlet on the partition wall partitioning the floor vent and the console vent and to open and close the console auxiliary inlet through the floor door of the floor door. By supplying part of the upstream air to the console vent side, air is always discharged to the console vent side regardless of the air conditioning mode to improve the productability, improve the cooling and heating performance of the rear seat, and at the bottom of the console auxiliary inlet, The air conditioner for the vehicle which eliminates the discomfort of the occupants by preventing the air flowing into the floor vent side through the console auxiliary inlet as well as to allow the air to flow smoothly into the console auxiliary inlet side will be.

In the present invention, the air inlet 111 is formed on the inlet side, branched from the defrost vent 112, the face vent 113, the floor vent 114, 115 and the face vent 113 on the outlet side and the floor vent An air conditioning case 110 having a console vent 116 partitioned by 114 and 115 and a partition wall 110b, a defrost door 117 for opening and closing the defrost vent 112, and the face vent 113 In the vehicle air conditioner comprising a face door 118 for opening and closing the floor door, and a floor door 119 for opening and closing the floor vents (114, 115), the floor vent (114, 115) and the console vent (116) for partitioning In the partition wall 110b, a console auxiliary inlet 120 is formed to supply a part of the upstream air of the floor door 119 to the console vent 116, so that air is always discharged to the console vent 116. It is characterized by.

Description

Automotive air conditioning unit {AIR CONDITIONER FOR VEHICLES}

The present invention relates to a vehicle air conditioner, and more particularly, to form a console auxiliary inlet on the partition wall partitioning the floor vent and the console vent and to open and close the console auxiliary inlet through the floor door of the floor door. By supplying part of the upstream air to the console vent side, air is always discharged to the console vent side regardless of the air conditioning mode to improve the productability, improve the cooling and heating performance of the rear seat, and at the bottom of the console auxiliary inlet, The air conditioner for the vehicle which eliminates the discomfort of the occupants by preventing the air flowing into the floor vent side through the console auxiliary inlet as well as to allow the air to flow smoothly into the console auxiliary inlet side will be.

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 season. In addition, such an air conditioner is usually equipped with a heating device and an air conditioner at the same time to selectively introduce the outside air or bet, the air is heated or cooled and blown into the interior of the vehicle to cool, heat or ventilate the interior of the vehicle.

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 the heater core unit in the air conditioning case. The semi-center type, which is built-in and the blower unit is provided as a separate unit, and the center mounting type, in which all three units are built in the air conditioning case, can be roughly classified.

FIG. 1 shows the semi-center type vehicle air conditioner. The air conditioner 1 has an air inlet 11 formed at an inlet side and an opening degree by mode doors 16a, 16b, 16c at the outlet side, respectively. An air conditioning case 10 in which the defrost vent 12a, the face vent 12b, and the floor vents 12c and 12d are adjusted; A blower (not shown) connected to the air inlet 11 of the air conditioning case 10 to blow the inside or outside air; An evaporator (2) and a heater core (3) embedded in the air conditioning case (10); The opening degree of the cold air flow path P1 which is installed between the evaporator 2 and the heater core 3 and bypasses the heater core 3 and the hot air flow path P2 passing through the heater core 3 is shown. It comprises a temperature control door 15 to adjust.

In addition, a guide wall 17 is formed between the rear side hot air flow passage P2 of the heater core 3 and the floor vents 12c and 12d to partition each other. The floor vents 12c and 12d are branched into a front seat vent 12c and a rear seat vent 12d.

In addition, the face vent 12b is divided into a center vent 12f and a side vent 12g so as to divide and discharge air into the center side and both sides of the vehicle interior, respectively.

And, in order to solve the temperature difference between the front seat and the back seat is severe, the rear side of the floor vent (12c, 12d) induces the air discharge to the console box (not shown), which is the center of the vehicle interior air conditioning air into the rear seat space The supplying console vent 12e is installed.

The console vent 12e is branched from the face vent 12b and guides some of the air passing through the face vent 12b toward the console box to cool and heat the rear seat space.

At this time, the branch guide 20 protrudes from the inlet side of the console vent 12b to smoothly guide some of the air passing through the face vent 12b to the console vent 12b. The guide 20 is formed in the center vent 12f of the face vent 12b to guide some of the air passing through the center vent 12f toward the console vent 12e.

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 flow passage P1 and closes the hot air flow passage P2. do. Accordingly, the air blown by the blower not shown is heat-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 flow path (P1) Chamber, MC) and then through the vent opened by the mode door (16a, 16b, 16c) according to a predetermined air conditioning mode (vent mode, bi-level mode, floor mode, mix mode, defrost mode) By being discharged to the vehicle interior, cooling of the vehicle interior is performed.

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 flow passage P2 after passing through the evaporator 2. After changing to warmth, the liquid flows toward the mixing chamber MC, and is then discharged to the interior of the vehicle through a vent opened by the mode doors 16a, 16b, and 16c according to a predetermined air conditioning mode, thereby heating the interior of the vehicle. .

When the cooling mode other than the maximum cooling mode, that is, the 1/2 cooling mode is operated, the temperature control door 15 is rotated to a neutral position, so that the cooling wind flow path P1 with respect to the mixing chamber MC. And open all the hot air flow path (P2). Therefore, after the cool air passing through the evaporator 2 and the warm air passing through the heater core 3 are mixed by flowing toward the mixing chamber MC, they are opened by the mode doors 16a, 16b, and 16c according to a predetermined air conditioning mode. The vent is discharged into the vehicle interior.

On the other hand, in the maximum cooling mode, the maximum heating mode, 1/2 cooling mode, some of the air supplied to the face vent (12b) is discharged into the vehicle interior through the face vent (12b) to cool and heat the front seat space The part is supplied to the console vent 12e through the branch guide 20 and then discharged to the rear side of the console box inside the cabin to cool and heat the rear seat space.

However, the conventional air conditioner 1 is controlled according to the air conditioning mode (face mode, bi-level mode, floor mode, mix mode, defrost mode) through the control of the mode doors 16a, 16b, 16c. Air can be selectively discharged to the console vent 12e, i.e., in the face mode or bilevel mode, the mode door 16b simultaneously opens the inlet of the face vent 12b and the console vent 12e. Air can be discharged to the console vent 12e, but when the mode door 16b closes the inlet of the face vent 12b and the console vent 12e, such as the floor mode or the mixed mode, the console vent 12e is used. There is a problem that air cannot be discharged.

As described above, in the floor mode or the mixed mode, air cannot be discharged to the console vent 12e, and thus the merchandise is deteriorated, and there is a disadvantage in cooling and heating the rear seat.

An object of the present invention for solving the above-mentioned problems is to form a console auxiliary inlet in the partition wall partitioning the floor vent and the console vent and to open and close the console auxiliary inlet through the floor door upstream of the floor door. By supplying a part of the air to the console vent side, air is always discharged to the console vent side regardless of the air conditioning mode, thereby improving the productability and improving the cooling and heating performance of the rear seat, and a flow path forming rib at the bottom of the console auxiliary inlet. Forming the air inlet to the console auxiliary inlet side smoothly, as well as preventing the air flowing into the floor vent side through the console auxiliary inlet to provide a vehicle air conditioner to solve the discomfort of the occupants have.

The present invention for achieving the above object, the air inlet is formed on the inlet side, the defrost vent, the face vent, the floor vent and branched from the face vent and the console vent partitioned by the floor vent and partition wall An air conditioning case including a defrost door, a defrost door for opening and closing the defrost vent, a face door for opening and closing the face vent, and a floor door for opening and closing the floor vent, wherein the floor vent and The partition wall partitioning the console vent is provided with a console auxiliary inlet to supply a portion of the upstream air of the floor door to the console vent side, characterized in that the air is always discharged to the console vent.

The present invention provides a console auxiliary inlet on the partition wall partitioning the floor vent and the console vent, and opens and closes the console auxiliary inlet through the floor door to supply a part of the upstream air of the floor door to the console vent side. Regardless of the air conditioning mode, air is always discharged to the console vent side to improve the merchandise and improve the cooling and heating performance of the rear seat.

In addition, by forming a flow path forming rib at the lower end of the console subsidiary inlet, to ensure the flow path of air flowing into the console subsidiary inlet side to ensure that the air flows smoothly, the air introduced through the console vent inlet is By preventing the flow into the floor vent side through the discomfort of the occupant is eliminated.

Further, by opening and closing the console subsidiary entrance using a floor door for opening and closing the floor vent, a separate door for supplying air to the console vent side is not required, thereby simplifying the structure and reducing the number of parts, thereby reducing manufacturing costs.

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

Figure 3 is a cross-sectional view showing a face mode of the vehicle air conditioner according to the present invention, Figure 4 is a partial perspective view of an enlarged portion of the console auxiliary inlet and the flow path forming ribs in Figure 3, Figure 5 is a vehicle air conditioner according to the present invention 6 is a cross-sectional view showing the floor mode of the vehicle air conditioner according to the present invention, Figure 7 is a cross-sectional view showing a bi-level mode of the vehicle air conditioner according to the present invention, Figure 8 is a vehicle air conditioning according to the present invention It is sectional drawing which shows the mixing mode of an apparatus.

As shown, the vehicle air conditioner 100 according to the present invention, 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 flow path (P1) and the warm air on the inside air passage An air conditioner case 110 having a flow path P2, an evaporator 101 and a heater core 102 installed on an air flow path inside the air conditioner case 110, the evaporator 101 and a heater core 102. In addition to the installed between the cold air flow passage (P1) bypassing the heater core 102 and the temperature control door 130 for adjusting the opening degree of the hot air flow passage (P2) passing through the heater core 102, It is composed.

In addition, an air inlet 111 of the air conditioning case 110 is provided with a blower (not shown) for blowing inside or outside 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 foot of the occupant are formed.

Here, the face vent 113 is divided into a center vent 113a and a side vent 113b so as to divide and discharge air into the center side and both sides of the vehicle interior, respectively.

The center vent 113a and the side vent 113b are divided by a partition wall 113c formed inside the face vent 113, wherein the center vent 113a is the center side of the face vent 113. The side vent 113b is positioned at both sides of the center vent 113a.

In addition, the floor vents 114 and 115 branch 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.

In addition, the defrost vent 112, the face vent 113, and the floor vent 114, 115 are opened and closed by the mode door, respectively, the opening degree is adjusted, that is, the mode door is the defrost vent 112 And a defrost door 117 for opening and closing the door, a face door 118 for opening and closing the face vent 113, and a floor door 119 for opening and closing the floor vents 114 and 115.

Here, the temperature control door 130 and the mode door is composed of a rotating shaft rotatably coupled to the inner wall surface of the air conditioning case 110, and a plate formed on the side of the rotating shaft.

In addition, a guide wall 110a is formed between the rear side hot air flow passage P2 of the heater core 102 and the floor vents 114 and 115 to be partitioned from each other.

On the other hand, the temperature control door 130 and the mode door is connected to a cam (not shown) or a lever (not shown) driven by an actuator (not shown) installed on the outer surface of the air conditioning case 110 and the rotational operation Cold and hot air flow passage (P1) (P2) and the opening degree of each of the vent (112 ~ 115) is adjusted.

The air vent case 110 is provided with a console vent 116 branching from at least one of the vents 112, 113, 114, and 115.

Here, the console vent 116 is branched from the face vent 113, as shown in the figure is preferably formed in the rear vents 114, 115 of the air conditioning case 110, and the floor vents (114, 115) It is partitioned by the partition wall 110b.

In this case, the inlet 116a of the console vent 116 is formed in communication with the face vent 113. Accordingly, both the face vent 113 and the inlet 116a of the console vent 116 are opened and closed by the face door 118.

The console vent 116 supplies air conditioning air to a specific area of the vehicle interior (rear console (rear seat) or B-pillar, etc.).

In addition, a branch guide 125 is formed at the inlet 116a side of the console vent 116 so as to guide some of the air passing through the face vent 113 to the console vent 116.

The branch guide 125 is positioned inside the center vent 113a of the face vent 113, but is formed to protrude a predetermined length and area at an upper end of the inlet 116a of the console vent 116, thereby providing a center vent 113a. It is installed to block a certain area of the.

In addition, the console auxiliary inlet 120 may supply a portion of the upstream air of the floor door 119 to the console vent 116 to the partition wall 110b that partitions the floor vents 114 and 115 and the console vent 116. Is formed.

Here, the console subsidiary inlet 120 is formed on the partition wall 110b between the front seat floor vent 114 and the inlet 116a of the console vent 116, more preferably the floor door ( It is formed through the partition wall (110b) adjacent to the 119, and is opened and closed with the floor vent (114, 115) through the floor door (119).

As such, the console auxiliary inlet 120 is opened and closed through the floor door 119 for opening and closing the floor vents 114 and 115, and the inlet 116a of the console vent 116 opens and closes the face vent 113. By opening and closing through the face door 118, there is no need for a separate door for supplying air to the console vent 116, thereby simplifying the structure and reducing the number of parts, thereby reducing manufacturing costs.

The floor door 119 is formed on both sides of the rotating shaft 119a rotatably installed inside the air conditioning case 110 and the rotating shaft 119a to open and close the floor vents 114 and 115, but one plate is It consists of a pair of plates (119b) formed to open and close the console auxiliary inlet 120 together.

That is, one plate of the pair of plates 119b of the floor door 119 opens and closes the floor vents 114 and 115, while the other plate opens the floor vents 114 and 115 and the console subsidiary inlet 120 together. It will open and close.

3 and 4, a flow path forming rib 121 which forms a flow path at the lower end of the console subsidiary inlet 120 so that the air upstream of the floor door 119 flows smoothly into the console subsidiary inlet 120. ) Is formed to extend.

In this case, the flow path forming ribs 121 extend toward the center of rotation (rotation shaft) of the floor door 119.

The flow path forming ribs 121 are formed to be partitioned upstream of the front seat floor vents 114 and 115 to secure a flow path of air flowing into the console auxiliary inlet 120, and the floor door 119. When the console auxiliary inlet 120 is closed through, the air introduced through the inlet 116a of the console vent 116 is prevented from entering the floor vents 114 and 115 through the console auxiliary inlet 120.

That is, when the flow path forming ribs 121 are not present, some of the air discharged to the face vent 113 is supplied to the console vent 116 in the face mode as shown in FIG. Part of the air is supplied to the floor vents 114 and 115 where the occupants do not want through the console auxiliary inlet 120 to cause discomfort to the occupants.

Therefore, the flow path forming ribs 121 are formed at the bottom of the console subsidiary inlet 120 to secure the flow path of air flowing into the console subsidiary inlet 120 and through the inlet 116a of the console vent 116. It is possible to eliminate the discomfort of the occupant by preventing the introduced air to flow into the floor vent (114, 115) side through the console auxiliary inlet (120).

3 and 7, in the face mode or the bi-level mode in which the face vent 113 is opened, some of the air discharged to the face vent 113 is discharged through the console vent 116. And supply air to the rear seat space, and in the floor mode or the mixed mode in which the floor vents 114 and 115 are opened as shown in FIGS. 6 and 8, the console auxiliary inlet 120 is also opened by the floor door 119. Therefore, the upstream air of the floor door 119 is discharged to the console vent 116 through the console auxiliary inlet 120 to supply air to the rear seat space.

Of course, in the bilevel mode as shown in FIG. 7, since the face vents 113 and the floor vents 114 and 115 are open at the same time, some of the air passing through the face vents 113 is inlet 116a of the console vent 116. Through, some of the upstream air of the floor door 119 is discharged to the console vent 116 side at the same time through the console auxiliary inlet (120).

In this way, regardless of the air conditioning mode (face mode, bi-level mode, floor mode, mix mode) to always discharge the air to the console vent 116 to improve the cooling and heating performance of the rear seat space, thereby improving the productability It becomes possible.

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

Only the face mode, the floor mode, the bi-level mode, and the mixing mode during the maximum cooling of the air conditioning mode will be described with reference to FIGS. 3 and 6 to 8.

end. Face mode

Figure 3 shows the maximum cooling time in the face mode, the temperature control door 130 opens the cold air flow passage (P1) and the hot air flow passage (P2) is closed, the face vent (118) by the face door (118) 113 and the inlet 116a of the console vent 116 are opened and the defrost vent 112 and the floor vents 114, 115 are closed by the defrost door 117 and the floor door 119. At this time, the console subsidiary inlet 120 is also closed by the floor door 119.

Therefore, the air blown by the blower not shown is changed to cold while passing through the evaporator 101, and then supplied to the face vent 113, wherein some of the air supplied to the face vent 113 is It is discharged toward the front occupant's face in the room, and part is supplied to the console vent 116 and then discharged to the rear side of the console box in the cabin to be discharged toward the face of the rear occupant.

I. Floor mode

6 shows the maximum cooling time in the floor mode, the temperature control door 130 opens the cold air flow passage (P1), the hot air flow passage (P2) is closed, the floor vent by the floor door 119 (114, 115) and the console sub-inlet 120 is opened, the defrost door 117 and the face door 118 by the defrost vent 112 and the face vent 113 and the entrance of the console vent 116 ( 116a is closed.

Therefore, the air blown by the blower not shown is changed to cold while passing through the evaporator 101, and part of the air is supplied to the floor vents 114 and 115 to be discharged toward the front and rear seats of the passenger compartment inside the cabin. After being supplied to the console vent 116 through the console auxiliary inlet 120 is discharged to the rear of the console box inside the vehicle interior is discharged to the face of the rear occupant.

All. Bi-level mode

7 shows the maximum cooling time in the bi-level mode, the temperature control door 130 opens the cold air flow passage (P1), the hot air flow passage (P2) is closed, the face door 118 and the floor door ( The inlet 116a of the face vent 113 and the console vent 116, the floor vents 114 and 115, and the console subsidiary inlet 120 are opened by 119, and the defrost vent 117 is opened by the defrost door 117. 112 is closed.

Therefore, the air blown by the blower not shown is changed to cold while passing through the evaporator 101, and then supplied to the face vents 113, the floor vents 114 and 115, and the console auxiliary inlet 120.

In this case, some of the air supplied to the face vent 113 is discharged toward the front seat occupant's face in the vehicle interior, and some of the air is supplied to the console vent 116 and then discharged to the rear side of the console box in the interior of the vehicle interior to face the rear occupant's face. To be discharged to the side.

In addition, the air supplied to the floor vents 114 and 115 is discharged toward the front and rear seat occupants of the vehicle interior, and the air supplied to the console subsidiary inlet 120 passes through the console vent 116 to the rear of the interior console box. It is discharged to the side is discharged to the face of the rear occupant.

la. Mixing mode

8 shows the maximum cooling time in the mixing mode, wherein the temperature control door 130 opens the cold air flow passage P1 and the hot air flow passage P2 is closed, and the floor door 119 and the defrost door ( The floor vents 114 and 115, the console subsidiary inlet 120, and the defrost vent 112 are opened by 117, and the inlet of the face vent 113 and the console vent 116 is opened by the face door 118. 116a is closed.

Therefore, the air blown by the blower not shown is changed to cold while passing through the evaporator 101, and then supplied to the floor vents 114 and 115, the console auxiliary inlet 120 and the defrost vent 112.

In this case, the air supplied to the floor vents 114 and 115 is discharged toward the front and rear seat occupants of the vehicle interior, and the air supplied to the console subsidiary inlet 120 passes to the rear of the vehicle console box through the console vent 116. Discharged and discharged toward the face of the rear occupant.

In addition, the air supplied to the defrost vent 112 is discharged toward the glass window in the vehicle compartment to remove frost.

As described above, in the present invention, in the air conditioning mode, a console auxiliary inlet 120 is formed in the partition wall 110b that divides the floor vents 114 and 115 and the console vent 116 into the floor door 119. Although only the case where the configuration in which the air is discharged to the console vent 116 is always applied to the semi-center type air conditioner has been described, the present invention is not limited thereto. It can be applied to all air conditioners such as independent control air conditioners in the same way and the same effect can be obtained.

1 is a cross-sectional view showing a conventional vehicle air conditioner,

2 is a perspective view showing a conventional vehicle air conditioner,

3 is a cross-sectional view showing a face mode of the vehicle air conditioner according to the present invention;

4 is an enlarged partial perspective view of the console auxiliary inlet and the flow path forming rib in FIG.

5 is a plan view showing a vehicle air conditioner according to the present invention,

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

7 is a cross-sectional view showing a bi-level mode of the vehicle air conditioner according to the present invention;

8 is a cross-sectional view showing a mixing mode of 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: guide wall 110b: partition wall

111: air inlet 112: defrost vent

113: face vent 113a: center vent

113b: side vent 114,115: floor vent

116: console vent 117: defrost door

118: face door 119: floor door

120: console subsidiary entrance 121: flow path forming rib

125: branch guide 130: temperature control door

Claims (6)

An air inlet 111 is formed at the inlet side, and is branched from the defrost vent 112, the face vent 113, the floor vents 114 and 115, and the face vent 113 at the outlet side, and is partitioned from the floor vents 114 and 115. An air conditioning case 110 having a console vent 116 defined by a wall 110b, A defrost door 117 to open and close the defrost vent 112, a face door 118 to open and close the face vent 113, and a floor door 119 to open and close the floor vents 114 and 115. In the vehicle air conditioner made of, The console auxiliary inlet 120 is formed in the partition wall 110b that divides the floor vents 114 and 115 and the console vent 116 to supply a part of the upstream air of the floor door 119 to the console vent 116. And the air is always discharged to the console vent 116. The method of claim 1, The console subsidiary inlet 120 is formed through the partition wall 110b adjacent to the floor door 119, and is opened and closed together with the floor vents 114 and 115 through the floor door 119. Vehicle air conditioning system. The method of claim 1, The floor door 119 is formed on both sides of the rotating shaft 119a rotatably installed inside the air conditioning case 110 and the rotating shaft 119a to open and close the floor vents 114 and 115, but one plate is Vehicle air conditioning apparatus, characterized in that consisting of a pair of plates (119b) formed to open and close the console auxiliary inlet (120) together. 4. The method according to any one of claims 1 to 3, The lower portion of the console auxiliary inlet 120 for the vehicle characterized in that the flow path forming ribs 121 for forming a flow path so that the air upstream of the floor door 119 smoothly flows into the console auxiliary inlet 120 side is extended. Air conditioning system. The method of claim 4, wherein The flow path forming ribs 121 is formed to extend toward the center of rotation of the floor door (119). The method of claim 1, The inlet (116a) side of the console vent 116, the vehicle air conditioner, characterized in that the branch guide 120 is formed to guide some of the air passing through the face vent 113 to the console vent (116) side.

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