KR101986639B1 - Air conditioning system for automotive vehicles - Google Patents

Abstract

The present invention relates to an air conditioner for a vehicle and, even if the air conditioner is turned off, it is possible to prevent "fogging of the windowpane" and "increase in the concentration of carbon dioxide in the car interior" And it is an object of the present invention to remarkably improve the driving environment and comfort in a car interior.
In order to attain the above object, the present invention provides an air conditioner comprising: an intake door opening an outer airway opening in an outside air mode and opening an inlet airway opening in an inside air mode; A vehicle air conditioning system including a blower for blowing air into a passenger compartment of a vehicle and a defrost door for controlling the amount of air discharged in a direction of a front windowpane, When the window glass humidity is higher than the predetermined reference humidity, the entrance door is controlled to the outside air mode while entering the smart dephogging mode, the blower is turned on, the defrost door is opened, And a control unit for causing the window glass of the window glass to be removed while being introduced.

Description

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

The present invention relates to a vehicle air conditioner, and more particularly, to a vehicular air conditioner that is capable of preventing "fogging of a windowpane" and "increase in carbon dioxide concentration in a car interior" even when the air conditioner is turned off, The present invention relates to a vehicle air conditioner capable of remarkably improving the driving environment and comfort of a passenger compartment without regard to the air conditioner.

BACKGROUND ART [0002] Recent automotive air conditioners are equipped with various automatic control devices for improving the operating environment of a car interior. As an example thereof, there is a defogging device for automatically removing fogging of a window glass and a ventilation device for automatically ventilating the air in the car.

As shown in Fig. 1, the defogging apparatus senses the relative humidity on the window glass side (hereinafter referred to as "window glass humidity") of the vehicle interior with the dashboard sensor 1, Humidity ", the control unit 3 switches the intake door 5 to the outside air mode, opens the defrost door 7, and operates the compressor 9 and the blower 11 of the air conditioner.

Thus, the fresh outside air is allowed to pass through the evaporator 13 to be cooled, and the cooled outside air is discharged to the window glass through the defrost vent 7a. This allows the discharged cold air to remove the fogging of the window glass.

The ventilator detects the concentration of carbon dioxide (CO ₂ ) in the passenger compartment by the gas sensor 15 and then controls the control unit 3 to set the intake door 5 in the outside air mode And the blower 11 is operated.

Therefore, fresh air from outside is introduced in a large amount to lower the concentration of carbon dioxide in the interior of the car. This improves the air cleanliness of the interior of the passenger compartment and improves the driving environment of the passenger compartment.

Such a conventional air conditioner is configured such that when the user operates the off switch 19 of the controller 17 to completely turn off the apparatus, the defogging apparatus and the ventilator are also turned off completely There are disadvantages.

In addition, when the air conditioner is turned off due to such a disadvantage, when fogging of the window glass occurs or when the concentration of carbon dioxide in the interior of the car increases, there is a problem that it can not cope with this.

Particularly, when fogging of a window glass occurs or the concentration of carbon dioxide in a car increases, it can not cope with such a problem.

On the other hand, in order to solve this problem, when the fogging of the window glass occurs or the concentration of carbon dioxide in the interior of the vehicle increases even when the air conditioner is turned off, the air conditioner is forcibly turned on to operate the defogging device and the ventilator There is also a way to do it.

However, in such a case, there is a problem that the air conditioner is unnecessarily operated. Such a problem may cause unnecessary energy consumption, and it is pointed out that the cooling of the undesired inside of the car is pointed out.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an air conditioner which can prevent the " And an air conditioner for a vehicle.

It is another object of the present invention to provide an air conditioner which is capable of preventing "fogging of windowpanes" and "increasing the concentration of carbon dioxide in a car interior" even when the air conditioner is turned off, The present invention is to provide a vehicle air conditioner capable of remarkably improving the driving environment and comfort of a room.

It is another object of the present invention to provide a vehicle air conditioner capable of effectively preventing unnecessary energy consumption and unnecessary cooling of the interior of the vehicle, and also capable of effectively preventing fogging of the windowpane and increasing the concentration of carbon dioxide in the interior of the vehicle.

It is a further object of the present invention to provide a refrigerator which is capable of preventing unnecessary energy consumption and cooling of the interior of the vehicle while being able to effectively cope with the generation of fogging of the windowpane and the increase in the concentration of carbon dioxide in the interior of the vehicle, The present invention is to provide a vehicle air conditioner capable of remarkably improving the driving environment and comfort of a room.

In order to achieve the above object, an air conditioner of the present invention comprises: an intake door for opening an outer air inlet in an outside air mode and opening an air inlet for an inside air mode; And a defrost door configured to control the amount of air blown out toward the front windowpane, wherein the air conditioner is turned off, and the outdoor air is blown to the inside of the vehicle. The control unit controls the intake door to the outside air mode while the smart dephogging mode is entered and turns on the blower when the window glass humidity in the interior of the vehicle is equal to or higher than a preset reference humidity, And a controller for controlling the removal of the fogging of the windowpane while the air outside the windowpath is introduced into the passenger compartment.

Preferably, the control unit controls the intake door, the defrost door, and the blower at the time of entry into the smart dephogging mode, and differentially controls the control time according to the window glass humidity.

The control unit controls the intake door to the outside air mode mode while entering the smart ventilation mode when the air-conditioning apparatus is turned off and the carbon dioxide concentration in the interior of the vehicle is equal to or higher than a preset reference concentration, And the air in the outside of the vehicle is introduced into the passenger compartment to lower the concentration of the carbon dioxide.

The control unit controls the intake door to the outside air mode side at the time of entering the smart ventilation mode, and performs multi-stage control of the opening angle to the outside air mode side according to the concentration of carbon dioxide in the passenger compartment.

The control unit controls the intake door and the blower at the time of entering the smart ventilation mode, and differentially controls the control time according to the concentration of carbon dioxide.

According to the vehicle air conditioner of the present invention, when fogging of the window glass occurs or the concentration of carbon dioxide in the interior of the vehicle is increased while the air conditioner is turned off, outdoor air is introduced to supply the window glass to the window glass , It is possible to prevent "fogging of the window glass" and "increase in the concentration of carbon dioxide in the car interior" even when the air conditioner is turned off.

In addition, even if the air conditioner is turned off, it is possible to prevent "increase in the concentration of carbon dioxide in the car interior" and "fogging of the windowpane", thereby improving the driving environment and comfort in the car regardless of the off- There is an effect that can be made.

Even if the air conditioner is turned off, it is possible to prevent the "glazed window of the windowpane" and the "increase of the carbon dioxide concentration in the interior of the car". However, without turning on the air conditioner, It is possible to effectively prevent the generation of fogging of the windowpane and the increase of the concentration of carbon dioxide in the interior of the vehicle while preventing unnecessary energy consumption and unnecessary cooling of the interior of the vehicle.

In addition, since unnecessary energy consumption and cooling of the vehicle interior can be prevented, it is possible to effectively cope with the generation of fogging of the windowpane and the increase of the carbon dioxide concentration in the interior of the vehicle, so that the driving environment and comfort There is an effect that remarkably improves.

1 is a view showing a conventional air conditioner for a vehicle,
2 is a view showing a configuration of a vehicle air conditioner according to the present invention,
FIG. 3 is a graph showing an example of operation of the automotive air conditioner according to the present invention. When the air conditioner is controlled in the "Smart Deposition Mode ", the intake door, the defrost door, the blower, A drawing showing a process to be performed,
FIG. 4 is a graph showing an example of operation of the automotive air conditioner according to the present invention. When the air conditioner is controlled in the "smart ventilation mode", the intake door, the blower and the display symbol are controlled in accordance with the concentration of carbon dioxide Fig.
Fig. 5 is a flowchart showing an example of operation of the automotive air conditioner according to the present invention. Fig. 5 is a view showing an example of operation when fogging of a window glass is generated in a state that the air conditioner is turned off,
Fig. 6 is a flowchart showing an example of the operation of the automotive air conditioner according to the present invention, showing an example of operation when the "concentration of carbon dioxide" in the interior of the automobile is increased while the air conditioner is turned off.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a vehicle air conditioner according to the present invention will be described in detail with reference to the accompanying drawings (the same components as those in the prior art are denoted by the same reference numerals).

First, a vehicle air conditioning apparatus will be briefly described with reference to FIG. 2 before a characteristic portion of the present invention is discussed.

The automotive air conditioner includes a defogging device for automatically removing fogging of the windowpane and a ventilation device for automatically ventilating the air in the car.

The defogging apparatus detects the "window glass humidity" in the interior of the car with the dashboard sensor 1, and when the detected "window glass humidity" is equal to or higher than the "reference humidity" Mode, the defrost door 7 is opened, and the compressor 9 and the blower 11 of the air conditioner are operated.

Thus, fresh outside air is allowed to pass through the evaporator 13, and the cooled outside air is discharged to the windowpane through the defrost vent 7a. This allows the discharged cold air to remove the fogging of the window glass.

The ventilator detects the "carbon dioxide concentration" in the interior of the car by the gas sensor 15 and then the control unit 3 controls the intake door 5 in the ambient air mode when the detected "carbon dioxide concentration" And the blower 11 is operated.

Therefore, fresh air from outside is introduced in a large amount to lower the concentration of carbon dioxide in the interior of the car.

The vehicle air conditioner includes a controller 17. The controller 17 is for controlling the air conditioner and is provided on the front panel portion of the driver's seat and has a plurality of switches 19 and a display portion 20.

In particular, the display unit 20 is constituted by a liquid crystal display (LCD), and displays an operating state of the air conditioner and a series of operating processes.

Next, the features of the air conditioner for a vehicle according to the present invention will be described in detail with reference to FIG. 2 to FIG.

Referring first to FIG. 2, the present invention includes an air conditioner off-sensing means 30 for sensing whether the air conditioner is turned off.

The air conditioning system off detection means 30 is constituted by an off switch 19 of the controller 17. [

Off switch 19 allows the user to detect whether or not the air conditioner is turned off by outputting "air conditioner off signal S1" when the user turns it off using the air conditioner.

The air conditioner of the present invention is provided with the control unit 3 which determines whether the "air conditioner off signal S1" is inputted from the air conditioner off sensing unit 30.

As a result of the determination, if the "air conditioner off signal S1" is input from the air conditioner off sensing means 30, the control unit 3 detects the sensing means for sensing the "window glass humidity", for example, And judges again whether or not the "window glass humidity" inputted from the sensor 1 is equal to or higher than a preset "reference humidity ".

As a result of the determination, if the temperature is equal to or higher than the "reference humidity ", the control unit 3 determines that fogging has occurred in the window glass while the air conditioner is turned off.

In accordance with this determination, the introductory door 5 is switched to the outside air mode while entering the "smart dephogging mode", the de-frost door 7 is opened, and the blower 11 is turned on.

Thus, fresh outside air is discharged through the defrost vent 7a to the windowpane. This allows the discharged cold air to remove the fogging of the window glass. As a result, even when the air conditioner is turned off, the driving environment of the vehicle interior can be improved, thereby assisting safe driving of the vehicle.

On the other hand, the control unit 3 controls the intake door 5, the defroster door 7, and the blower 11 when entering the " smart de-charging mode " Respectively.

That is, as shown in Figs. 2 and 3, in the state where the air conditioner off signal S1 is inputted from the air conditioner off sensing means 30, When the inputted "window glass humidity" is equal to or higher than the "reference humidity b ", firstly, the intake door 5 is controlled to the outside air mode. Therefore, only fresh outside air from the outside of the car is supplied to the inside of the car, so that the fogging of the window glass can be primarily removed.

Then, when the "window glass humidity" inputted from the depo sensor 1 continues to rise above the "second reference humidity c" which is larger than the "reference humidity b", the fogging of the window glass is still removed The defrost door 7 is opened and the blower 11 is operated.

Thus, a large amount of fresh air is supplied to the window glass side. Thereby, it is possible to secondarily remove the fogging of the window glass.

Here, the control section 3 opens the de-frost door 7 at a temperature equal to or higher than the "second reference humidity c", and the opening amount thereof gradually increases in proportion to the "window glass humidity" input from the depot sensor 1 . Accordingly, the higher the "window glass humidity" is, the more gradually the outside air discharged to the window glass side is increased.

Further, the control unit 3 is configured to turn on the blower 11 at a temperature equal to or higher than the "second reference humidity c", and to control the number of rotations of the blower 11 to the lowest number of rotations, that is, the first stage. Therefore, it is configured to limit excessive supply of outside air to the inside of the car.

On the other hand, as shown in Fig. 3, the control unit 3 determines whether the "window glass humidity" input from the depot sensor 1 is lower than the "second reference humidity c" When it falls, the de-frost door 7 is closed and the blower 11 is turned off.

When the "window glass humidity" inputted from the depo sensor 1 falls below the "third reference humidity a" lower than the " reference humidity b ", it is completely released in the " smart de- And switches the door 5 to the admission mode.

Therefore, the "window glass fog removal function" when the air conditioner is OFF is completely stopped.

On the other hand, the control unit 3 controls the display unit 20 of the controller 17 upon entry of the " smart de-charging mode " The display symbol 22 of FIG. For example, "SMART VENTILATION" (see Fig. 2).

The reason for this configuration is that, when the air conditioning apparatus is turned off, when the "smart de-charging mode" is suddenly activated, there is a possibility that the passenger in the passenger compartment of the vehicle is mistaken. Accordingly, it is possible to prevent confusion with a passenger's mistake by informing the passenger that the air conditioner is currently operating in the "smart de-charging mode ".

When the "window glass humidity" input from the depot sensor 1 falls below the "third reference humidity (a)", the control section 3 displays the "smart Quot; defogging mode "entry indication symbol 22 is erased.

2, the control unit 3 of the present invention includes means for detecting the concentration of carbon dioxide in the passenger compartment in a state where the "air conditioner off signal S1" is inputted from the air conditioner off sensing means 30 , For example, when the "carbon dioxide concentration" of the interior of the car is inputted from the gas sensor 15 of the ventilator, it is again determined whether or not the inputted "carbon dioxide concentration" is equal to or greater than a preset reference concentration.

As a result of the determination, if the concentration is equal to or greater than the "reference concentration ", the control section 3 determines that the concentration of carbon dioxide in the interior of the car is increased in a state where the air conditioning apparatus is turned off. In accordance with this determination, the intake door 5 is controlled to the outside air mode mode while the "smart ventilation mode" is entered, and the blower 11 is turned on.

Thus, fresh outside air is supplied to the car interior. This reduces the concentration of carbon dioxide in the interior of the car. As a result, even when the air conditioner is turned off, the air cleanliness of the car interior is improved to improve the driving environment of the car interior.

On the other hand, when entering the "smart ventilation mode ", the control unit 3 controls the intake door 5 to the outside air mode side, and sequentially controls the opening angle in accordance with the" carbon dioxide concentration "

2 and 4, the "CO2 concentration" input from the gas sensor 15 in the state where the "air conditioner off signal S1" is input by the air conditioner off sensing means 30 is If it is equal to or higher than the "reference concentration (c) ", the intake door 5 is controlled to the" first opening angle A "

Therefore, the opening amount of the outer air inlet 5a is opened to the "first opening amount ". As a result, a relatively small amount of outside air is supplied to the inside of the car, so that air in the inside of the car can be primarily ventilated.

Then, when the "carbon dioxide concentration" inputted from the gas sensor 15 rises above the "second reference concentration d ", which is larger than the" reference concentration c ", the carbon dioxide concentration in the car interior is still reduced And further controls the intake door 5 to the outside air mode side.

In particular, the opening degree of the outer airway inlet 5a is controlled to be the " second amount of opening "by controlling the second opening angle B to be larger than the first opening angle A (A). Accordingly, a relatively large amount of outside air is supplied to the inside of the car, so that air in the inside of the car can be secondarily ventilated.

Then, when the "carbon dioxide concentration" inputted from the gas sensor 15 rises above the "third reference concentration e ", which is larger than the" second reference concentration d ", the carbon dioxide concentration It is judged that the intake door 5 has not yet been reduced and the intake door 5 is further controlled to the outside air mode side.

In particular, the opening degree of the outer airway inlet 5a is controlled to be the "third metering amount" by controlling the third opening angle C to be larger than the second opening angle B (B). Accordingly, a large amount of outside air is supplied to the inside of the car, thereby enabling the air in the inside of the car to be ventilated thirdarily.

Here, the "first opening angle A" of the intake door 5 is a value obtained when the opening amount of the outer air inlet 5a to the inner air inlet 5b is about 50% And the second opening angle B is preferably an opening angle when the opening amount of the outer air inlet 5a with respect to the air inlet opening 5b is about 70% Angle (C) "is an opening angle when the amount of opening of the outer air inlet 5a to the inner air inlet 5b is about 100%.

The control unit 3 is configured to control the intake door 5 and the blower 11 when they enter the "smart ventilation mode ", and to control their control points differently according to the" carbon dioxide concentration ".

2 and 4, the control unit 3 determines whether the air conditioner off signal S1 is input from the gas sensor 15, Quot; reference concentration (c) "or more, first, the intake door 5 is controlled to the outside air mode side. Therefore, fresh fresh air outside the car can be supplied to the inside of the car, so that air in the inside of the car can be primarily ventilated.

Then, when the "carbon dioxide concentration" inputted from the gas sensor 15 continuously rises above the "third reference concentration e ", which is larger than the" reference concentration c ", the carbon dioxide concentration It is determined that it is not reduced and the blower 11 is operated.

Therefore, fresh air is supplied to the car room in a large amount. Thus, the air in the passenger compartment can be ventilated secondarily.

Here, the control unit 3 is configured to turn on the blower 11 at the "third reference concentration e" or more, and to control the number of rotations of the blower 11 to the lowest number of rotations, that is, the first stage. Therefore, it is configured to limit excessive supply of outside air to the inside of the car.

On the other hand, as shown in Fig. 4, the control unit 3 determines whether the "carbon dioxide concentration" input from the gas sensor 15 is equal to or lower than the "fourth reference concentration a" , The intake door 5 is completely released from the "smart ventilation mode ", the intake door 5 is switched to the stoop mode, and the blower 11 is turned off.

Therefore, the "ventilation function of the passenger compartment" when the air conditioner is OFF is completely stopped.

The control unit 3 controls the display unit 20 of the controller 17 at the time of entering the "smart ventilation mode " to indicate that the current air conditioning apparatus has entered the" smart ventilation mode " And to display it with a specific display symbol 22. For example, "SMART VENTILATION" (see Fig. 2).

This is because, when the air conditioning apparatus is turned off and the "smart ventilation mode" is activated, there is a possibility that the passenger in the passenger compartment of the vehicle is mistakenly broken. Accordingly, it is possible to prevent confusion with a passenger's mistake by informing the passenger that the "smart ventilation mode" is currently being operated.

Here, when the "carbon dioxide concentration" inputted from the gas sensor 15 falls below the "fourth reference concentration (a) ", the control unit 3 displays the" smart ventilation " indicated on the display unit 20 of the controller 17 Mode "entry indication symbol 22 is erased.

Next, an operation example of the controller having such a configuration will be described with reference to Figs. 2 to 6. Fig.

First, a case where fogging occurs on the window glass in a state where the air conditioner is off (OFF) will be described.

Referring to FIG. 5, FIG. 3, and FIG. 2, first, it is determined whether the air conditioning apparatus is turned off (S101).

As a result of the determination, if the air conditioning apparatus is turned off, it is again determined whether or not the "window glass humidity" in the vehicle interior is equal to or higher than the "reference humidity (b)" (S103).

As a result of the determination, if the reference humidity is equal to or higher than the reference humidity (b), the control unit 3 controls the intake door 5 in the outside air mode while entering the smart dephogging mode (S105). Then, the fresh air outside the car is supplied to the inside of the car, and the fogging of the window glass is firstly removed.

At this time, the control unit 3 displays the entry of the "smart de-charging mode" in the display unit 20 of the controller 17 as a symbol 22. For example, "SMART VENTILATION" is displayed. Therefore, the passenger of the vehicle is informed that the air conditioning apparatus has entered the "smart de-charging mode ".

Then, in a state in which the intake door 5 is controlled in the outside air mode, the control unit 3 again determines whether or not the "window glass humidity" in the vehicle interior is equal to or higher than the "second reference humidity c" (S107).

As a result of the determination, if the second reference humidity c is equal to or higher than the second reference humidity c, the control unit 3 starts opening the defroster door 7 and turns on the blower 11 (S109). Then, the fresh outside air is supplied to the window glass side in a large amount, and the window glass of the window glass is secondarily removed.

On the other hand, in a state in which the intake door 5, the defroster door 7, the blower 11 and the display unit 20 of the controller 17 are controlled, the control unit 3 determines that the "window glass humidity" Quot; reference humidity (b) "(S111).

As a result of the judgment, when the temperature falls below the "reference humidity (b)", the control section 3 closes the defrost door 7 and turns off the blower 11 (S113). Then, only the outside air of the car is supplied to the inside of the car, and the fogging of the window glass is removed.

Then, the control unit 3 sets the "window glass humidity" in the interior of the vehicle to be equal to or less than the "third reference humidity (a)" in a state where the defroster door 7 is closed and the blower 11 is turned off (S115).

As a result of the determination, when the temperature falls below the "third reference humidity (a)", the controller 3 completely releases the intake door 5 in the "smart dephogging mode" The symbol 22 displayed on the display unit 20 is erased (S117). Then, the "window glass fog removal function" when the air conditioner is turned off is completely stopped.

Next, a case in which the "carbon dioxide concentration" in the car interior is increased while the air conditioner is turned off will be described.

First, referring to FIG. 6, FIG. 4 and FIG. 2, it is determined whether the air conditioner is turned off (S201).

As a result of the determination, if the air conditioner is turned off, it is again determined whether the "carbon dioxide concentration" in the car interior is equal to or higher than the "reference concentration (c)" (S203).

As a result of the determination, if the reference concentration c is equal to or greater than the reference concentration c, the control unit 3 controls the intake door 5 to the predetermined first opening angle A while entering the smart ventilation mode (S205) .

Then, the opening amount of the outer air inlet 5a is opened to the "first metering amount ". Thereby, a small amount of outside air is supplied to the inside of the car, and the air in the inside of the car is primarily ventilated.

At this time, the control unit 3 displays the entry of the "smart ventilation mode" in the display unit 20 of the controller 17 as a symbol 22. For example, "SMART VENTILATION" is displayed. Therefore, the passenger of the vehicle is informed that the air conditioner has entered the "smart ventilation mode ".

Then, in a state where the intake door 5 is controlled to the "first opening angle A ", the control unit 3 determines whether or not the" carbon dioxide concentration " (S207).

As a result of the determination, if the second reference concentration d is equal to or greater than the second reference concentration d, the control unit 3 controls the intake door 5 to the second opening angle B on the outside air mode side (S209).

Then, the opening amount of the outer airway inlet 5a is further opened to the "second metering amount ". As a result, a relatively large amount of outside air is supplied to the interior of the vehicle, thereby ventilating the interior of the interior of the vehicle.

Then, in a state in which the intake door 5 is controlled to the "second opening angle B ", the control unit 3 determines whether or not the" carbon dioxide concentration " (S211).

The control section 3 controls the intake door 5 to the "third opening angle C" on the outside air mode side and controls the blower 11 to be in the " (ON) (S213).

Then, the opening amount of the outer airway inlet 5a is further opened to the "third metering amount ", and a large amount of outside air is sucked into the more open outer airway inlet 5a. As a result, a large amount of outside air is supplied to the inside of the car, thereby ventilating the air in the inside of the car in a tertiary manner.

On the other hand, in a state in which the display unit 20 of the intake door 5, the blower 11 and the controller 17 is controlled, the control unit 3 determines that the "carbon dioxide concentration" a) "(S215).

As a result of the determination, if the value falls below the "fourth reference concentration (a)", the control unit 3 completely releases the intake door 5 in the "smart ventilation mode" and turns the blower 11 off And the symbol 22 displayed on the display unit 20 of the controller 17 is erased (S217). Then, the "ventilation function of the passenger compartment" when the air conditioner is OFF is completely stopped.

According to the present invention having such a configuration, when fogging of the window glass occurs or the concentration of carbon dioxide in the interior of the vehicle is increased while the air conditioner is turned off, outdoor air is introduced into the window glass and supplied to the window glass , It is possible to prevent "fogging of the windowpane" and "increase in the concentration of carbon dioxide in the car interior" even if the air conditioner is turned off.

In addition, even if the air conditioner is turned off, it is possible to prevent "increase in the concentration of carbon dioxide in the car interior" and "fogging of the windowpane", thereby improving the driving environment and comfort in the car regardless of the off- .

Even if the air conditioner is turned off, it is possible to prevent the "glazed window of the windowpane" and the "increase of the carbon dioxide concentration in the interior of the car". However, without turning on the air conditioner, It is possible to prevent unnecessary energy consumption and unnecessary cooling of the interior of the vehicle, and at the same time, it is possible to effectively cope with the generation of fogging of the windowpane and the increase of the concentration of carbon dioxide in the interior of the vehicle.

In addition, since unnecessary energy consumption and cooling of the vehicle interior can be prevented, it is possible to effectively cope with the generation of fogging of the windowpane and the increase of the carbon dioxide concentration in the interior of the vehicle, so that the driving environment and comfort Can be remarkably improved.

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 invention.

1: Defog sensor 3: Control unit
5: Intake door 5a: Outer air entrance
5b: entrance door 7: Defrost door
7a: Defrost Vent
9: compressor 11: blower
13: Evaporator 15: Gas sensor
17: Controller 19: Off switch
20: display part 22: symbol
30: air conditioning device off detection means S1: air conditioning device off signal
A: first angle angle B: second angle angle
C: Third degree angle

Claims (15)

An intake door 5 for opening the outside air inlet 5a in the outside air mode and opening the inside air inlet 5b in the inside air mode and an intake door 5 for opening the inside air entrance 5b, And a defrost door (7) for controlling the amount of air blown out in the direction of the front windowpane, the air conditioner comprising: a blower (11) for blowing air or outside air into the interior of the vehicle,
When the air conditioner is in the OFF state and the window glass humidity of the car interior is equal to or higher than a predetermined reference humidity b, the intruder mode is controlled to enter the smart dephogging mode, And a control unit (3) for turning on the blower (11) and opening the defroster door (7) to allow the outside air to enter the interior of the vehicle and to remove the fogging of the windowpane,
The control unit (3)
Controls the intake door (5), the defroster door (7) and the blower (11) at the time of entering the smart dephogging mode, differentially controls the control point of time according to the window glass humidity,
The control unit (3)
Controls the intake door (5) to an ambient air mode primarily when the window glass humidity is equal to or higher than the reference humidity (b);
When the window glass rises above the second reference humidity c which is higher than the reference humidity b, the second blower 11 is opened while opening the defroster door 7 Wherein the air conditioner comprises: delete delete The method according to claim 1,
The control unit (3)
When the blower 11 is operated, it is controlled to a minimum number of rotation stages,
Controls the opening of the de-frost door (7) so that the opening amount gradually increases in proportion to the window glass humidity. 5. The method of claim 4,
The control unit (3)
When the window glass humidity falls below the reference humidity b in the second reference humidity c, the defroster door 7 is closed and the blower 11 is turned off,
(5) is released from the smart dephogging mode when the window glass humidity drops below a third reference humidity (a) which is lower than the reference humidity (b). The vehicle air conditioning system according to claim 1, Device. 6. The method of claim 5,
Further comprising an air conditioner control controller (17) having a display unit (20)
The control unit 3 controls the display unit 20 of the controller 17 to enter the smart dephasing mode and displays the symbol 22 as a current symbol ,
(Erases) the specific symbol (22) displayed on the display unit (20) of the controller (17) when the smart dephasing mode is canceled. 7. The method according to any one of claims 1 to 6,
The control unit (3)
The control unit controls the intake door 5 to the outside air mode mode while entering the smart ventilation mode when the air-conditioning apparatus is turned off and the carbon dioxide concentration in the interior of the vehicle is equal to or higher than a preset reference concentration c, (11) is turned on so that the air in the outside of the car flows into the passenger compartment, thereby lowering the concentration of the carbon dioxide. 8. The method of claim 7,
The control unit (3)
Controls the intake door (5) to the outside air mode side at the time of entering the smart ventilation mode, wherein the opening angle to the outside air mode side is controlled in a multi-stage manner in accordance with the concentration of carbon dioxide in the interior of the vehicle. 9. The method of claim 8,
The control unit (3)
When the carbon dioxide concentration in the interior of the vehicle is equal to or higher than the reference concentration (c), the intake door 5 is controlled to the outside air mode side to the predetermined first opening angle A,
When the intake door 5 is raised to the second opening angle? 1 larger than the first opening angle A, when the carbon dioxide concentration of the interior of the car rises above the second reference concentration d that is larger than the reference concentration c, (B)
When the carbon dioxide concentration of the interior of the vehicle rises above the third reference concentration e that is larger than the second reference concentration d, the intake door 5 is made to be larger than the second opening angle B (C) for three degrees. 10. The method of claim 9,
The first opening angle A of the intake door 5 is an opening angle when the opening amount of the outer air inlet 5a with respect to the inner air intake opening 5b is about 50%
The second opening angle B is an opening angle when the opening amount of the outer air inlet 5a to the inner air inlet 5b is about 70%
Wherein the third opening angle (C) is an opening angle when the opening amount of the outer air inlet (5a) to the inner air inlet (5b) is about 100%. 10. The method of claim 9,
The control unit (3)
Controls the intake door (5) and the blower (11) at the time of entering the smart ventilation mode, and differentiates the control time of the intake door (5) and the blower (11) according to the carbon dioxide concentration. 12. The method of claim 11,
The control unit (3)
When the concentration of carbon dioxide in the interior of the vehicle is equal to or higher than the reference concentration (c), the intake door 5 is primarily controlled to the outside air mode side,
Wherein the blower (11) is activated secondarily when the concentration of carbon dioxide in the interior of the vehicle rises above the third reference concentration (e). 13. The method of claim 12,
The control unit (3)
And controls the blower (11) to a minimum number of rotation stages when operating the blower (11). 13. The method of claim 12,
The control unit (3)
When the concentration of carbon dioxide in the interior of the vehicle falls below a fourth reference concentration (a) lower than the reference concentration (c), the smart door is released from the smart ventilation mode and controls the intake door (5) (OFF) the air-conditioning system. 15. The method of claim 14,
The control unit (3)
Controls the display unit (20) of the controller (17) to enter the smart ventilation mode by displaying a specific symbol (22)
(Clears) the specific symbol (22) displayed on the display unit (20) of the controller (17) when the smart ventilation mode is canceled.

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