KR101350897B1 - Air conditioning system for automotive vehicles - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle air conditioner, and aims to shorten the console-side airflow inflow path and to supply warm air to the console flow path through a shortest passage to improve heating performance and comfort of the rear seats.

To this end, the present invention, the air-conditioning case is installed, the defrost vent, the face vent and the floor vent is controlled by the door of the exit, the evaporator and the heater core installed in the internal flow path of the air conditioning case, In the air conditioning apparatus for a vehicle comprising a temperature control door for adjusting the opening degree of the cold air passage and the warm air passage, and a console flow path connected to the face vent disposed on the rear wall of the air conditioning case; And a first bypass door installed to open and close the heater core and the floor vent, and a second bypass door installed to open and close the floor vent and the console flow path.

Air Conditioning Case, Console Euro, Rubber Door, Differential Pressure

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an air-

1 is a view showing an air conditioner having a console flow path according to the prior art.

2 is a view showing a vehicle air conditioner according to an embodiment of the present invention.

FIG. 3 shows a second bypass door in FIG. 2. FIG.

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

10: Evaporator

20: Heater Core

30: air conditioning case

32: Defrost Vent

32d: door

34: Face Vent

36: Floor Vent

40: temperature control door

41: first bypass door

42: rear wall surface

44,46: By pass passages 1 and 2

50: Console Euro

60: second bypass door

The present invention relates to a vehicle air conditioner, and more particularly, the heating performance of the rear seats by allowing the hot air to be supplied to the console flow path through the second bypass door that opens without pressure and heat loss when the first bypass door is opened. It relates to a vehicle air conditioner with improved comfort.

As shown in FIG. 1, a general vehicle air conditioner includes a blower (not shown) at an inlet, and a defrost vent 32 whose opening degree is controlled by doors 32d, 34d, and 36d of an outlet. ), An air conditioner case (30) provided with a face vent (34) and a floor vent (36), an evaporator (10) and a heater core (Heater Core) (20) installed in an internal flow path of the air conditioner case (30), and It comprises a temperature control door 40 for adjusting the opening degree of the cold air passage (P1) and the warm air passage (P2) of the air conditioning case (30).

In recent years, as an automobile is enlarged and the volume of an automobile interior increases, an air conditioner for blowing air to the console side of the automobile interior has been proposed to improve passenger comfort.

As an example of such a vehicle air conditioner, as shown in FIG. 1, a bypass passage is formed on the rear surface of the face vent 34, and a console flow path for blowing air toward the console at the bypass outlet ( 50) is connected along the rear wall surface of the air conditioning case (30).

In addition, although not shown in the present specification, there is also a form in which the console flow path 50 is connected through the lower end of the heater core 20.

Inside the console flow path 50, a door 50d for adjusting the opening degree may be further installed.

The vehicle air conditioner is provided with a console flow path 50 covering the fitting portion 44 of the rear wall surface 42 on which the left and right air conditioning cases 30 are fitted.

In the console flow path 50 covering the rear wall surface 42 of the air conditioning case 30, hot air flowing through the floor vent 36 flows into the console flow path 50 through the fitting portion, thereby performing heat transfer. .

Therefore, the temperature of the air discharged to the vehicle interior through the console flow path 50 is higher than the air discharged to the vehicle interior through the face vent 34, thereby reducing the comfort of the vehicle interior.

In addition, in the rear seat air conditioner of the automobile, as the flow path is complicated and formed long, the air side pressure loss and heat loss are greatly generated, and not only the air volume is reduced, but also the temperature difference between the front seat and the rear seat causes a great influence on the heating performance. There was a problem.

The present invention has been proposed to solve the above-mentioned problems of the prior art, and an object of the present invention is to open a second bypass door provided on a wall of an air conditioning case forming a floor vent and a console flow path by a pneumatic pressure difference. It is to provide a vehicle air conditioner to be supplied directly through the shortest passage.

In addition, the object of the present invention is that the hot air is supplied directly to the console flow path without returning to the floor vent through the opening of the second bypass door, thereby improving the heating performance and comfort of the rear seat without pressure drop and heat loss of the hot air. To provide a vehicle air conditioning apparatus that can be made.

Still another object of the present invention is to provide a vehicle air conditioner which is formed by an elastic material so that the second bypass door is automatically opened by a difference in air pressure formed in the flow path.

The air conditioner for automobiles of the present invention for achieving the above technical problem, the air-conditioning case is provided with a defrost vent, a face vent and a floor vent, the opening degree of which is controlled by each door at the exit, and the internal flow path of the air conditioning case An automobile comprising an evaporator and a heater core installed in the air conditioner, a temperature control door for adjusting the opening degree of the cold air passage and the warm air passage of the air conditioning case, and a console flow path connected to the face vent and disposed on the rear wall of the air conditioning case. In the air conditioner for; And a first bypass door installed to open and close the heater core and the floor vent, and a second bypass door installed to open and close the floor vent and the console flow path.

The second bypass door may be formed of an elastic material to be driven by a pressure difference between the floor vent and the console flow path.

The first and second bypass passages opened and closed by the first and second bypass doors may be formed to face each other to form the shortest flow path.

In addition, the second bypass door is characterized in that it is fixed to the rear wall surface with a pin so that the second bypass passage is opened by air pressure.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The same reference numerals are given to the same parts as those in the prior art.

2 is a view showing the vehicle air conditioner according to an embodiment of the present invention, Figure 3 is a view showing the installation state of the second bypass door in FIG.

As shown in FIG. 2, the automotive air conditioner according to the present invention includes a defrost vent 32, a face vent 34, and an opening degree of which are controlled by respective doors 32d, 34d, and 36d at the exit. An air conditioner case 30 having a floor vent 36 installed therein, an evaporator 10 and a heater core 20 installed in an internal flow path of the air conditioner case 30, and a cold air passage P1 of the air conditioner case 30. And a temperature control door 40 for adjusting the opening degree of the warm passage P2, and a console flow path 50 connected to the face vent 34 and disposed on the rear wall surface 42 of the air conditioning case 30, The first bypass passage 44 formed so as to communicate with the floor vent 36 by the first bypass door 41 and the air passing through the first bypass passage 44 are controlled by the differential pressure. And a second bypass door 60 which opens 50.

The first bypass door 41 is provided to open and close the bypass passage 44 of the floor vent 36 at the shortest distance from the adjacent heater core 20.

The second bypass door 60 has a front side floor vent 36 and a second bypass path of the console flow path 50 on the rear wall surface 42 of the air conditioning case 30 that partitions the console flow path 50. It is installed to open and close the passage (46). The second bypass door 60 may form a shortest flow path such that a part of the air supplied to the floor vent 36 directly passes through the second bypass passage 46 of the console flow path 50.

In addition, the second bypass door 60 is preferably fixed to the wall surface with a pin 62 so as to open to the console flow path 50 side by air pressure. In addition, the second bypass door 60 is preferably formed of a rubber plate having a thickness that can be opened by air pressure.

Hereinafter, an operation example of the automotive air conditioner of the present invention made as described above.

First, when the first bypass door 41 is opened, warmth is supplied through the open face vent 34 and the floor vent 36. At this time, the air pressure of the warm air introduced into the floor vent 36 maintains a state higher than the air pressure of the warm air flowing through the console flow path 50 by turning the face vent 34.

Therefore, the warmth flowing through the first bypass door 41 to the floor vent 36 applies a flow pressure to the second bypass door 60 provided on the rear wall surface 42. That is, the first bypass door 60 is opened by the difference between the flow pressure of the warmth flowing through the second bypass passage 46 and the flow pressure of the warmth flowing into the console passage 50.

When the first bypass door 60 is opened, the warm air flows directly to the console flow path 50 through the floor vent 36 and the second bypass passage 46, and is supplied to the rear seat.

That is, since the warm air heated by the heater core 20 flows through the second bypass door 60 to the console flow path 50, the flow path of the warm air is shortened. Therefore, the pressure loss of the warmth supplied to the rear seat is prevented and evenly supplied to the rear seat without heat loss, thereby improving the heating performance of the rear seat.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. There will be. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

As described above, according to the air conditioner for automobiles according to the present invention, the second bypass door is opened by the pressure difference, so that it is supplied through the console passage shortest passage without pressure drop and heat loss of the warm air, It has the effect of improving the heating performance and improving the comfort of the vehicle interior.

Claims (3)

An air conditioning case 30 provided with a defrost vent 32, a face vent 34, and a floor vent 36 whose openings are controlled by doors 32d, 34d, and 36d of the exit; Evaporator 10 and the heater core 20 installed in the inner flow path of the 30, and the temperature control door 40 for adjusting the opening degree of the cold air passage (P1) and the warm air passage (P2) of the air conditioning case (30) and And, in the vehicle air conditioner comprising a console flow path 50 is connected to the face vent 34 is disposed on the rear wall surface 42, A first bypass door 41 installed at a portion of the air conditioning case 30 partitioning the heater core 20 and the floor vent 36 to open and close the floor vent 36, and the floor vent 36. It is provided in the air conditioning case 30 that partitions the console flow path 50 is made to include a second bypass door 60 for opening and closing the console flow path 50, The second bypass door (60) is an automotive air conditioning apparatus, characterized in that made of an elastic material to be driven by the pressure difference between the floor vent (36) and the console flow path (50). delete An air conditioning case 30 provided with a defrost vent 32, a face vent 34, and a floor vent 36 whose openings are controlled by doors 32d, 34d, and 36d of the exit; Evaporator 10 and the heater core 20 installed in the inner flow path of the 30, and the temperature control door 40 for adjusting the opening degree of the cold air passage (P1) and the warm air passage (P2) of the air conditioning case (30) and And, in the vehicle air conditioner comprising a console flow path 50 is connected to the face vent 34 is disposed on the rear wall surface 42, A first bypass door 41 installed at a portion of the air conditioning case 30 partitioning the heater core 20 and the floor vent 36 to open and close the floor vent 36, and the floor vent 36. It is made to include a second bypass door 60 which is installed in the air conditioning case 30 that partitions the console flow path 50 to open and close the console flow path 50 The air conditioner case 30 which partitions the heater core 20 and the floor vent 36 and the air vent case 30 which partitions the floor vent 36 and the console flow path 50, respectively, The first and second bypass passages (44) (46), which are opened and closed by the first and second bypass doors (41, 60), are formed to face each other so as to form the shortest flow path.

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