KR101544881B1 - Air conditioner for vehicle - Google Patents

Abstract

The present invention relates to a vehicle air conditioner, and more particularly, to a vehicular air conditioner having a communication part formed in a partition wall for partitioning a floor vent and a console vent so that a part of air discharged toward the floor vent side is supplied to the console vent side, And the back ventilation ribs are formed at the upper end of the communicating part in the console vent so that the air discharged through the floor vent is discharged through the communication hole to the face vent And the air discharged through the console vent is prevented from flowing back to the floor vent through the communication part, thereby eliminating the discomfort of the occupant.

The present invention is characterized in that an air inlet 111 is formed on the inlet side and a defrost vent 112, a face vent 113, floor vents 114 and 115 and the face vent 113 are branched from the inlet side, An air conditioning case 110 in which a console vent 116 partitioned by the partition walls 114 and 115 and the partition wall 110b is formed and the opening degrees of the defrost vent 112, the face vent 113 and the floor vents 114 and 115, respectively A partition wall 110b for partitioning the floor vents 114 and 115 and the console vent 116 is installed in the floor 110b of the vehicle air conditioning apparatus, A communication part 120 is formed to supply a part of the air discharged toward the vents 114 and 115 to the console vent 116 so that the air is always discharged to the console vent 116.

Air conditioner, air conditioning case, floor vent, console vent, communicating part, backflow prevention rib

Description

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

The present invention relates to a vehicle air conditioner, and more particularly, to a vehicular air conditioner having a communication part formed in a partition wall for partitioning a floor vent and a console vent so that a part of air discharged toward the floor vent side is supplied to the console vent side, And the back ventilation ribs are formed at the upper end of the communicating part in the console vent so that the air discharged through the floor vent is discharged through the communication hole to the face vent And the air discharged through the console vent is prevented from flowing back to the floor vent through the communication part, thereby eliminating the discomfort of the occupant.

Background Art [2] Generally, a vehicle air conditioner is a vehicle installed for the purpose of ensuring the front and rear visibility of a driver by removing air from the inside of a vehicle during the summer or winter season, or by preventing the windshield (windshield) This type of air conditioner is usually equipped with a heating device and a cooling device at the same time so that the user can selectively introduce outside air or inside air and then heat or cool the air to blow air into the inside of the vehicle to cool, do.

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.

FIG. 1 shows the semi-center type vehicle air conditioner. In the air conditioner 1, an air inlet 11 is formed at an inlet side and an opening is formed at an outlet side by mode doors 16a, 16b, An air conditioning case 10 provided with a de-frost vent 12a, a face vent 12b, and floor vents 12c and 12d, to which the de-frost vent 12a and the floor vent 12c are controlled; 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); A cooling air flow path P1 provided between the evaporator 2 and the heater core 3 for bypassing the heater core 3 and an open air flow path P2 for passing through the heater core 3 And a temperature control door 15 for controlling the temperature.

A guide wall 17 is formed between the rear air passage P2 of the heater core 3 and the floor vents 12c and 12d and is partitioned from each other. The floor vents 12c and 12d are branched into a front seat floor vent 12c and a rear seat floor vent 12d.

The face vent 12b is divided into a center vent 12f and a side vent 12g so that air can be divided and discharged to the center side and both sides of the vehicle interior.

Since the temperature difference between the front seat and the rear seat is large, the air ventilation air is guided to the rear side of the floor vents 12c and 12d toward the console box (not shown) And a console vent 12e to be supplied 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.

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. Accordingly, the air blown by the blower (not shown) flows through the evaporator 2, exchanges heat with the refrigerant flowing in the evaporator 2 and is converted into a cool air, and then mixed with the mixing chamber Chamber 16b and 16c according to a predetermined air conditioning mode (face mode, bi-level mode, floor mode, mix mode, and defrost mode) through a vent opened by the mode doors 16a, 16b, And is discharged to the inside of the vehicle, thereby cooling the interior of the vehicle.

Also, when the maximum heating mode is activated, the temperature control door 15 closes the cold air flow path P1 and opens the warm air flow path P2. Accordingly, the air blown by the blower (not shown) flows through the heater core 3 through the hot air flow path P2 after passing through the evaporator 2 and the cooling water flowing in the heater core 3, And then flows to the mixing chamber MC. Thereafter, the air is discharged to the inside of the vehicle through a vent opened by the mode doors 16a, 16b, and 16c according to a predetermined air conditioning mode, do.

When the cooling mode, that is, the half cooling mode, is not activated, the temperature control door 15 is rotated to the neutral position to cool the cooling air flow path P1 to the mixing chamber MC, And the hot air passage P2 are both opened. Accordingly, the cool air passing through the evaporator 2 and the warm air passing through the heater core 3 flow into the mixing chamber MC and are mixed and then opened by the mode doors 16a, 16b, and 16c according to a predetermined air conditioning mode And is discharged to the vehicle interior through the vent.

In the maximum cooling mode, the maximum heating mode, and the half cooling mode, some of the air supplied to the face vent 12b is discharged to the passenger compartment through the face vent 12b, And a part of the air is supplied to the console vent 12e and then discharged to the rear side of the cabin console box to cool and heat the rear seat space.

However, the above-mentioned conventional air conditioning system 1 is not limited to the above-described embodiments in accordance with the air conditioning mode (the face mode, the bi-level mode, the floor mode, the mix mode and the defrost mode) through the control of the mode doors 16a, 16b, Air can be selectively discharged to the console vent 12e. That is, in the face mode or the bi-level mode, since the mode door 16b opens the face vent 12b, air is discharged to the console vent 12e However, when the mode door 16b closes the face vent 12b such as a floor mode or a mix mode, there is a problem that air can not be discharged to the console vent 12e.

In the floor mode or the mix mode, since the air can not be discharged to the console vent 12e, there is a problem that the commercial quality is deteriorated and the cooling and heating of the rear seat is disadvantageous.

According to an aspect of the present invention, there is provided an air conditioner, comprising: a partition wall for partitioning a floor vent and a console vent to supply a part of air discharged toward a floor vent to a console vent, The ventilation ribs are formed at the upper end of the communicating portion in the console vent so that the air discharged through the floor vent flows toward the face vent through the communication portion. And the air discharged into the console vent is prevented from flowing back to the floor vent through the communication part, thereby eliminating the discomfort of the passenger.

According to an aspect of the present invention, there is provided an air conditioner, comprising: an air inlet formed at an inlet side; a defrost vent, a face vent, a floor vent, and a console vent which is branched from the face vent, And a plurality of mode doors installed to adjust opening of the defrost vent, the face vent, and the floor vent, wherein the partition wall separating the floor vent and the console vent includes: A communication part is formed to supply a part of the air discharged toward the floor vent to the console vent so that air is always discharged to the console vent.

According to the present invention, a communication portion is formed in a partition wall for partitioning a floor vent and a console vent, and a part of air discharged toward the floor vent side is supplied to the console vent side, thereby enabling air to be always discharged to the console vent side regardless of the air conditioning mode. And the cooling and heating performance of the rear seat improves.

In addition, by providing a counterflow preventing rib or a counterflow preventing door at the upper end of the communicating portion in the console vent, the air discharged through the floor vent flows back to the face vent through the communicating portion or the air discharged through the console vent flows back to the floor vent through the communicating portion. The discomfort of the occupant is eliminated.

In addition, since the connection part can be formed by slightly modifying the structure of the mold currently applied to injection molding the air conditioning case, the cost of the mold design can be reduced.

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

Fig. 3 is a cross-sectional view showing a face mode of the automotive air conditioner according to the present invention. Fig. 4 is a partial perspective view enlarging the communication part and the check- 6 is a cross-sectional view showing a bi-level mode of the automotive air conditioner according to the present invention, FIG. 7 is a cross-sectional view showing a mixing mode of the automotive air conditioner according to the present invention, and FIG. 8 is a cross- Sectional view showing a case in which a backflow prevention door is provided in place of the backflow prevention rib in the air conditioner for a vehicle.

As shown in the figure, the air conditioning system 100 according to the present invention includes an air inlet 111 formed at an inlet side thereof, a plurality of air outlet openings formed at an outlet side thereof, a cold air flow path P1, An evaporator 101 and a heater core 102 provided on an air flow path inside the air conditioning case 110 and a heater core 102 provided on the evaporator 101 and the heater core 102, And a temperature control door 130 which is installed between the heater core 102 and the heater core 102 and adjusts the opening degree of the hot air passage P2 passing through the heater core 102, .

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.

A plurality of air outlets formed on the outlet side of the air conditioner case 110 include a defrost vent 112 for discharging air to the windshield of the vehicle and a face vent for discharging air toward the face of the occupant of the front seat (113), and floor vents (114, 115) for discharging air toward the foot of a passenger.

The floor vents 114 and 115 are divided into a front seat floor vent 114 for discharging air toward the foot of the occupant of the front seat and a floor vent 115 for the rear seat for discharging air toward the foot of the occupant of the rear seat. .

The mode doors 117, 118, and 119 are opened and closed by the mode doors 117, 118, and 119, respectively. In other words, the mode doors 117, 118, 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. [

The temperature control door 130 and the mode doors 117, 118 and 119 are formed of a rotation shaft rotatably coupled to an inner wall surface of the air conditioning case 110 and a plate formed on a side surface of the rotation shaft .

A guide wall 110a is formed between the rear air passage P2 of the heater core 102 and the floor vents 114 and 115 and is partitioned from each other.

The temperature control door 130 and the mode doors 117 to 118 are connected to a cam (not shown) or a lever (not shown) driven by an actuator (not shown) provided on the outer surface of the air- And controls the opening degree of the cold and warm air flow paths P1 and P2 and the vents 112 to 115 while rotating.

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

The console vent 116 is preferably branched from the face vent 113 and formed on the rear side of the floor vents 114 and 115 of the air conditioner case 110. The floor vents 114 and 115 And is partitioned by the partition wall 110b.

At this time, the inlet of the console vent 116 is formed to communicate with the face vent 113.

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

Although not shown in the drawing, a branch guide may be formed on the inlet side of the console vent 116 so that some of the air passing through the face vent 113 can be guided by the console vent 116.

A communicating part 120 is provided in the partition wall 110b for partitioning the floor vents 114 and 115 and the console vent 116 so that a part of the air discharged toward the floor vents 114 and 115 can be supplied to the console vent 116 .

It is preferable that the communication part 120 is formed on the downstream side of the floor door 119. More preferably the communication part 120 is formed on the downstream side of the front seat floor vent 114 And the console vent 116, as shown in Fig.

3 and 6, in the face mode or the bi-level mode in which the face vent 113 is opened, a part of the air discharged into the face vent 113 is discharged through the console vent 116, In the floor mode or the mix mode in which the floor vents 114 and 115 are opened as shown in FIGS. 5 and 7, part of the air discharged to the floor vents 114 and 115 is supplied to the console 120 through the communication part 120, Vent 116 to supply the air conditioning air to the rear seat space.

6, the face vent 113 and the floor vents 114 and 115 are opened at the same time. Therefore, a part of the air discharged into the face vent 113 and a part of the air discharged to the floor vents 114 and 115 And simultaneously discharged to the console vent 116 side.

In this way, air is always discharged through the console vent 116 regardless of the air conditioning mode (face mode, bai-level mode, floor mode, or mix mode) to improve the cooling and heating performance of the rear seat space, .

In addition, since the communication part 120 can be formed by slightly modifying the structure of the currently applied mold for injection molding the air conditioning case 110, the cost of the mold design can be reduced.

In addition to the floor door 119 for opening and closing the floor vents 114 and 115, a separate door for opening and closing the communication part 120 is not required.

The air discharged from the face vent 113 side and the air discharged through the communication part 120 are divided into the console vent 116 at a position corresponding to the communication part 120, The backflow prevention ribs 125 are formed.

The backflow prevention ribs 125 are formed at the upper end of the communication part 120 to divide the interior of the console vent 116 upward and downward.

That is, in the floor mode or the mix mode (the floor vents 114 and 115 are opened and the face vent 113 is closed), some of the air discharged toward the floor vents 114 and 115 flows through the communication vents 120 If the backflow preventing ribs 125 are not present, the air discharged through the communicating part 120 may flow upward to the face vent 113 side. In this case, the air flowed toward the face vent 113 Air may be discharged to cause an uncomfortable feeling of the occupant.

Also, in the face mode (the opening of the face vent 113 and the closing of the floor vents 114 and 115), a part of the air discharged toward the face vent 113 is discharged toward the console vent 116. At this time, If there is no rib 125, the air can be flowed back to the floor vents 114 and 115 through the communication part 120. In this case, air can be discharged to the floor vents 114 and 115, which can cause an uncomfortable feeling to the occupant.

Therefore, by separating the air introduced and discharged from the face vent 113 side through the backflow prevention ribs 125 and the air discharged through the communication part 120, the communication part 120 (in the floor mode or the mix mode) To the side of the face vent 113 or the air discharged toward the console vent 116 in the face mode is prevented from flowing back to the floor vents 114 and 115 through the communicating part 120, Can be solved.

8, the communication vent 120 is provided at the upper portion of the communication vent 120 in the console vent 116. However, as shown in FIG. 8, The counterflow preventing door 126 may be rotatably mounted on the top of the top vent 113 so as to prevent the backflow by separating air discharged from the side of the face vent 113 and air discharged through the communication part 120 .

The backflow prevention door 126 functions in the same way as the backflow prevention rib 125 but operates to close the flow path toward the face vent 113 in the floor mode or the mix mode in the case of the backflow prevention door 126 And in the face mode, the flow path to the floor vents 114 and 115 is closed so that the back flow of the air is completely blocked.

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

Only the face mode, the floor mode, the bi-level mode, and the mixing mode in the maximum cooling mode in the air conditioning mode will be described with reference to FIG. 3 to FIG.

end. Face mode

3 shows the maximum cooling mode in the face mode. The temperature control door 130 opens the cold air passage P1 and closes the hot air passage P2. The mode doors 117, 118, 119 Open only the face vent 113 and close the defrost vent 112 and the floor vents 114 and 115. [

Therefore, the air blown by the blower (not shown) is converted into cool air while passing through the evaporator 101, and then supplied to the face vent 113. At this time, A part of the air is supplied to the console vent 116 and then discharged to the rear side of the cabin console box and discharged toward the face of the occupant of the rear seat.

I. Floor mode

5 shows the maximum cooling state in the floor mode. The temperature control door 130 opens the cold air passage P1 and closes the hot air passage P2. The mode doors 117, 118, 119 Only the floor vents 114 and 115 are opened and the defrost vent 112 and the face vent 113 are closed.

Therefore, the air blown by the blower (not shown) is converted into a cool air by passing through the evaporator 101, and then supplied to the floor vents 114 and 115. At this time, a part of the air supplied to the floor vents 114 and 115 And a part of the air is supplied to the console vent 116 through the communication part 120 and then discharged to the rear side of the cabin console box so as to be discharged toward the face of the occupant of the rear seat.

All. Bi-level mode

6 shows the maximum cooling state in the bi-level mode. The temperature control door 130 opens the cold air flow path P1 and closes the hot air flow path P2. The mode doors 117 and 118 119 open the face vent 113 and the floor vents 114, 115 and close the defrost vent 112.

Therefore, the air blown by the blower (not shown) is converted into cool air through the evaporator 101, and then supplied to the face vent 113 and the floor vents 114 and 115,

At this time, a part of the air supplied to the face vent 113 is discharged toward the face of the passenger in the front seat of the passenger compartment, a part of the air is supplied to the console vent 116 and discharged to the rear side of the passenger compartment console, And discharged.

Some of the air supplied to the floor vents 114 and 115 is discharged to the feet of the passengers in the front and rear seats of the vehicle while a part of the air is supplied to the console vents 116 through the communication part 120, And is discharged toward the face of the occupant of the rear seat.

la. Mixing mode

7 shows the maximum cooling state in the mixing mode. The temperature control door 130 opens the cold air passage P1 and closes the hot air passage P2. The mode doors 117, 118, 119 Open the floor vents 114 and 115 and the defrost vents 112 and close the face vents 113.

Accordingly, the air blown by the blower (not shown) is converted into cool air while passing through the evaporator 101, and then supplied to the floor vents 114 and 115 and the defrost vents 112,

At this time, a part of the air supplied to the floor vents 114 and 115 is discharged to the feet of the front and rear passengers of the vehicle, and a part of the air is supplied to the console vents 116 through the communication part 120, And is discharged toward the face of the occupant of the rear seat.

In addition, the air supplied to the defrost vent 112 is discharged toward the windshield of the vehicle, thereby removing the air.

As described above, according to the present invention, the communication part 120 is formed in the partition wall that divides the floor vents 114 and 115 and the console vent 116, and air is always discharged to the console vent 116 regardless of the air conditioning mode. However, the present invention is not limited to this, but may be applied to all the air conditioners such as the center mounting type air conditioner, the three-piece type air conditioner, and the left and right independent control air conditioner in the same manner The same effect can be obtained.

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

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

3 is a sectional view showing a face mode of the vehicle air conditioning system according to the present invention,

FIG. 4 is a partial perspective view of an enlarged view of the communicating portion and the check-

5 is a sectional view showing a floor mode of the automotive air conditioner according to the present invention,

6 is a sectional view showing a bi-level mode of the automotive air conditioner according to the present invention,

7 is a sectional view showing a mixing mode of the automotive air conditioner according to the present invention,

8 is a cross-sectional view showing a case in which a backflow prevention door is provided in place of the backflow prevention rib in the automotive air conditioner according to the present invention.

Description of the Related Art

100: air conditioner 101: evaporator

102: heater core 110: air conditioning case

110a: guide wall 110b: partition wall

111: air inlet 112: diffused vents

113: face vent 114,115: floor vent

116: Console Vents 117: Defrost door

118: Face Door 119: Floor Door

120: communicating part 125: backflow prevention rib

126: Anti-reverse flow door 130: Temperature control door

Claims (5)

An air inlet 111 is formed on the inlet side and a depressed vent 112, a face vent 113 and floor vents 114 and 115 are branched from the face vent 113 and the floor vents 114 and 115, An air conditioning case 110 having a console vent 116 defined by a wall 110b, A plurality of mode doors 117, 118, and 119 installed to adjust the opening of the deprovis vent 112, the face vent 113, and the floor vents 114 and 115, respectively, A communicating part 120 is formed in the partition wall 110b for partitioning the floor vents 114 and 115 and the console vent 116 so that a part of the air discharged toward the floor vents 114 and 115 can be supplied to the console vent 116 , The air is always discharged to the console vent 116, The floor vents 114 and 115 are formed by branching into a front seat floor vent 114 for discharging air toward the feet of the occupant of the front seat and a floor vent 115 for the rear seat for discharging air toward the feet of the occupant of the rear seat , Wherein the communication part (120) is formed to be positioned between the floor vent (115) of the rear seat and the console vent (116). delete The method according to claim 1, A backflow prevention rib 125 is formed in the console vent 116 to divide air discharged from the face vent 113 side and air discharged through the communication part 120 to prevent backflow Is formed on the outer surface of the vehicle. An air inlet 111 is formed on the inlet side and a depressed vent 112, a face vent 113 and floor vents 114 and 115 are branched from the face vent 113 and the floor vents 114 and 115, An air conditioning case 110 having a console vent 116 defined by a wall 110b, A plurality of mode doors 117, 118, and 119 installed to adjust the opening of the deprovis vent 112, the face vent 113, and the floor vents 114 and 115, respectively, A communicating part 120 is formed in the partition wall 110b for partitioning the floor vents 114 and 115 and the console vent 116 so that a part of the air discharged toward the floor vents 114 and 115 can be supplied to the console vent 116 , The air is always discharged to the console vent 116, A backflow prevention rib 125 is formed in the console vent 116 to divide air discharged from the face vent 113 side and air discharged through the communication part 120 to prevent backflow Formed, Wherein the backflow preventing rib (125) is formed at the upper end of the communication part (120) to divide the interior of the console vent (116) upward and downward. The method according to claim 1, A counterflow preventing door 126 is provided in the console vent 116 to divide air discharged from the face vent 113 and air discharged through the communicating part 120 to prevent backflow Wherein the air conditioner is rotatably installed.

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