KR19990061414A - Automotive Air Conditioning Unit - Google Patents

Abstract

The present invention discloses an air conditioner for an automobile.

The present invention is installed on the crash pad of the vehicle, the blower is installed on one side, the blower and the outside air inlet is provided in the adjacent portion of the blower, the upper and lower outlet and the defrost outlet is formed on the other side, respectively Ducts; An evaporator and a heater core installed on the inner side of the duct adjacent to the blower so as to face each other up and down; An inlet damper that is rotatably provided at a boundary between the evaporator and the heater core to selectively change the flow of air directed toward the evaporator and the heater core according to a cooling, heating mode or an airmix mode. By installing the heater core so as to face in the duct in the up and down direction and providing an inlet damper for varying the flow of air therebetween, there is an advantage that the cooling and heating efficiency can be improved. In addition, even in the air-mix mode, the head and leg portions of the driver and the passenger can effectively supply the cool and warm, there is an advantage that can further improve the reliability of the car employing it.

Description

Automotive Air Conditioning Unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile, and more particularly, to an air conditioner provided on a crush pad to comfortably maintain a driving environment inside an automobile.

In general, a vehicle is provided with a number of convenience devices, in particular an air conditioner for providing a comfortable indoor environment for the driver and passengers.

Such an air conditioner plays a role of promoting a comfortable indoor environment by selectively discharging warm or cold air into the inside of the car during the summer or winter season, and in particular, on the windshield glass. It is responsible for eliminating sexuality and Kim Seo-rim.

1 conceptually shows an air conditioner applied to a typical vehicle.

Although not shown, a duct 10 is built-in on a crush pad inside the vehicle, and a blower 11, an evaporator 12, and a heater core 13 are installed inside the duct 10. Built in sequentially.

On the other hand, one side of the duct 10, that is, the one side on which the blower 11 is installed, the outside air and the inside air inlets 10a, 10b are provided so that the outside air and the inside air flows in, A damper 20 for selectively opening the inlet ports 10a and 10b is provided.

In addition, a plurality of outlets 10c, 10d, and 10e are provided on the other side of the duct 10, that is, the portion adjacent to the portion where the heater core 13 is installed.

In other words, the upper outlet 10c facing the driver's or passenger's head, the lower outlet 10d facing the leg, and the defrost outlet for preventing fog generated on the wind shield glass (not shown). 10e and the like are provided.

Meanwhile, an inlet damper 30 for varying the flow of air discharged from the blower 11 in the cooling mode, the heating mode, or the air mix mode is the evaporator 12. And rotatable on the duct 10 between the heater core 13.

In the conventional air conditioner configured as described above, in the cooling mode, for example, as shown in FIG. 1, the inlet damper 30 blocks the heater core 13 (a position), and thus, the air or air inlet 10a or 10b. Air flowing into the vehicle and forcedly blown by the blower 11 is cooled while passing through the evaporator 11, is discharged to the plurality of outlets (10c, 10d, 10e) according to the mode selected by the driver to be introduced into the vehicle interior will be. At this time, the heater core 13 is not in operation.

In the heating mode, as shown by the virtual line in FIG. 1, the inflow damper 30 rotates to open the front surface of the heater core 13 (b position), and the air forcedly blown from the blower 11 is heated by the heater core. The temperature is increased while passing through (13), and thus the heated warm air is introduced into the inside of the vehicle through the discharge ports 10c, 10d, and 10e.

On the other hand, the air mix mode, which has been applied to luxury vehicles in recent years, discharges cold air to the head portion of the driver or passenger, and discharges warmth toward the leg portion, and the inflow damper 30 at position c of FIG. ) Is located.

That is, the air forcedly blown from the blower 11 while both the evaporator 12 and the heater core 13 are operated passes through the upper and lower outlets 10c and 10d via the evaporator 12 and the heater core 13. By discharging to the inside of the vehicle through the head portion of the driver and the passenger to discharge the warm air to the leg portion.

However, in the above-described conventional air conditioner, there are many problems listed below.

First, there is a problem that leads to a decrease in cooling or heating efficiency.

This problem occurs because air blown from the blower 11 passes through the evaporator 11 and the heater core 13 in sequence.

Second, in the heating mode, the air flow rate of the air discharged through the heater core 13 and discharged into the vehicle through the discharge ports 10c, 10d, and 10e is caused.

This is because, even in the heating mode, the air must pass through the evaporator 12, thereby causing interference.

Third, in the air mix mode, there is a problem that can not effectively discharge the cold and warm air to the head and leg portion of the driver or occupant.

In the air mix mode, both the evaporator 12 and the heater core 13 are driven, and the cold and warm air generated by the air is forced by the air blown from the blower 11 sequentially. This is because they interfere with each other.

The present invention has been made to solve such problems in the related art, it is possible to improve the cooling and heating efficiency and the blowing efficiency, in particular an air conditioner of a vehicle that can perform a stable air mix mode The purpose is to provide.

In order to achieve the above object, the air conditioner of a vehicle according to the present invention is installed on a crash pad of a vehicle, and a blower is installed on one side thereof, and an air inlet and an outside air inlet are provided at a portion adjacent to the blower. On the other side, the upper and lower outlet and the defrost outlet is formed respectively; An evaporator and a heater core installed to face each other up and down on an inner surface of a duct adjacent to the blower; And an inlet damper rotatably provided at a boundary between the evaporator and the heater core to selectively change the flow of air directed toward the evaporator and the heater core according to a cooling, heating mode or an airmix mode. It features.

According to one preferred feature of the present invention, an auxiliary damper for blocking the other side of the heater core in the heating mode is further provided on the other side of the heater core on the basis of the traveling direction of the air through the blower.

1 is a block diagram conceptually showing an air conditioner of a typical vehicle.

2 is a block diagram conceptually showing an air conditioner of an automobile according to the present invention;

Explanation of symbols on the main parts of the drawings

100: duct 110: blower

120: evaporator 130: heater core

140: inflow damper 150: auxiliary damper

104,105,106: (plural) outlets

Hereinafter, a preferred embodiment of an air conditioner for an automobile according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram conceptually showing an air conditioner of an automobile according to the present invention.

As shown therein, the air conditioner of an automobile according to the present invention has a duct 100 installed therein on a crush pad inside the vehicle, and the blower 110 and the evaporator are installed inside the duct 100. 120 and the heater core 130 is installed.

In this case, in particular, the evaporator 120 and the heater core 130 are installed to face each other in the up and down directions with a predetermined interval inside the duct 100.

On the other hand, on one side of the duct 100, that is, one side where the blower 110 is installed, the outside air and the inside air inlet (101, 102) is provided so that the outside air and the inside air (flow) is provided, Dampers 103 are provided for selectively opening the inlets 101 and 102.

In addition, a plurality of outlets 104, 105, and 106 are provided on the other side of the duct 100. That is, a defrosting outlet for preventing fogging generated on the upper outlet 104 facing the driver's or passenger's head, the lower outlet 105 facing the leg, and the wind shield glass (not shown). 106 and the like are provided.

Meanwhile, an inflow damper 140 for varying the flow of air discharged from the blower 110 in the cooling mode, the heating mode, or the air mix mode is provided. It is rotatably installed on the boundary side duct 100 between the evaporator 120 and the heater core 130.

At this time, the auxiliary damper 150 is provided on the other side of the heater core 130 to block the other side of the heater core 130 according to the cooling and heating mode on the basis of the traveling direction of the air through the blower 110. It is preferable because the heating efficiency can be increased.

Referring to the operating state of the air conditioner of the vehicle according to the invention configured as described above are as follows.

First, as shown in FIG. 2, in the cooling mode, the inlet damper 140 is positioned at a to block the heater core 130, and at the same time, the auxiliary damper 150 located at the other side of the heater core 130. In addition, it rotates to stand up to block the other side of the heater core (130).

Therefore, the cool air generated by the driving of the evaporator 120 is discharged to the inside of the vehicle smoothly through each outlet 104, 105, 106 with the air forcedly blown from the blower 110.

In this case, since the heater core 130 is completely blocked by the inflow damper 140 and the auxiliary damper 150, the cooling efficiency can be improved.

On the other hand, in the heating mode, the inlet damper 140 is positioned at the position of b to cut off the front surface of the evaporator 120, and at the same time the auxiliary damper 150, which was blocking the other side of the heater core 130, rotates to heat the heater. The other side of the core 130 is opened.

Therefore, the air blown by the blower 110 is discharged to the inside of the vehicle through the outlet core 104, 105, 106 through the heater core 130.

At this time, of course, since the evaporator 120 is blocked by the inflow damper 140, it is possible to improve the heating efficiency.

On the other hand, in the air mix mode of supplying warm air toward the leg portion of the driver or passenger head portion, both the evaporator 120 and the heater core 130 is operated, the inlet damper 140 is the position of c Furnace, ie, parallel between the evaporator 120 and the heater core 130 facing each other.

Therefore, the air blown by the blower 110 passes through the evaporator 120 and the heater core 130 while being separated up and down with respect to the inlet damper 140, and the upper outlet 104 and the lower portion of the corresponding position. It is discharged to the inside of the vehicle through the discharge port 105 is to supply the warm air to the head portion of the driver or passengers, respectively.

At this time, since the discharge direction of the air and the cold air discharged through the inlet damper 140 is clearly distinguished state, each of the cold and warm air is discharged to the inside of the vehicle without a decrease in efficiency.

On the other hand, the above-described embodiment is merely described one preferred embodiment of the present invention, the scope of application of the present invention is not limited to such, and can be changed as appropriate within the scope of the same idea. For example, the shape and structure of each component shown in the embodiment of the present invention can be modified.

As described above, according to the air conditioner of an automobile according to the present invention, the evaporator and the heater core are installed in the duct so as to face each other in the up and down direction, and an inlet damper for varying the flow of air therebetween is provided for cooling and heating. There is an advantage to improve the efficiency. In addition, even in the air-mix mode, the head and leg portions of the driver and the passenger can effectively supply the cool and warm, there is an advantage that can further improve the reliability of the car employing it.

Claims (2)

A built-in installation on a crash pad of a vehicle, one side of which is installed with a blower, and a portion adjacent to the blower is provided with inside and outside air inlets, and on the other side, upper and lower outlets and defrost outlets respectively formed; An evaporator and a heater core installed to face each other up and down on an inner surface of a duct adjacent to the blower; And an inlet damper rotatably provided at a boundary between the evaporator and the heater core to selectively change the flow of air directed toward the evaporator and the heater core according to a cooling, heating mode or an airmix mode. Air conditioning equipment for cars. The vehicle according to claim 1, wherein an auxiliary damper is further provided on the other side of the heater core to block the other side of the heater core in the heating mode, based on the direction of the air passing through the blower. Air conditioning system.