KR20040003484A - Vehicle's ventilating system which contols the room pressure - Google Patents

Vehicle's ventilating system which contols the room pressure Download PDF

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Publication number
KR20040003484A
KR20040003484A KR1020020038200A KR20020038200A KR20040003484A KR 20040003484 A KR20040003484 A KR 20040003484A KR 1020020038200 A KR1020020038200 A KR 1020020038200A KR 20020038200 A KR20020038200 A KR 20020038200A KR 20040003484 A KR20040003484 A KR 20040003484A
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KR
South Korea
Prior art keywords
vehicle
pressure
air
motor
indoor
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KR1020020038200A
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Korean (ko)
Inventor
이명길
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현대모비스 주식회사
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Priority to KR1020020038200A priority Critical patent/KR20040003484A/en
Publication of KR20040003484A publication Critical patent/KR20040003484A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/248—Air-extractors, air-evacuation from the vehicle interior
    • B60H1/249—Air-extractors, air-evacuation from the vehicle interior using one-way valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/008—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being air quality
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
    • B60H1/00864—Ventilators and damper doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
    • B60H1/243—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the lateral area (e.g. doors, pillars)

Abstract

PURPOSE: A ventilation system of a vehicle controlling indoor pressure is provided to allow air to smoothly flow in a car room even when the vehicle runs at low or middle speed. CONSTITUTION: A ventilation system includes door pads(25) opened and closed depending on difference between indoor pressure and outdoor pressure to discharge indoor air to the outside; racks(24) having ends contacting with the door pads, and engaged with pinions(23) to open and close the door pads; a motor(22) rotating the pinions; a pressure sensor(31) installed in the car room; and a control part(40) outputting opening signal to the motor to open the door pads when the indoor pressure measured by the pressure sensor is over fixed pressure. The door pad is formed with rubber, and has one end fixed to an outlet(21) formed on a side of a trunk room of the vehicle and acting as a channel through which indoor air of the vehicle is discharged to the outside so that the outlet is closed when the vehicle is parked and opened by pressure difference as air is introduced into the car room when the vehicle runs.

Description

실내압력이 제어되는 차량 환기 시스템{VEHICLE'S VENTILATING SYSTEM WHICH CONTOLS THE ROOM PRESSURE}VEHICLE'S VENTILATING SYSTEM WHICH CONTOLS THE ROOM PRESSURE}

본 발명은 차량의 실내 공기를 외부로 배출하는 차량의 환기 시스템에 관한 것으로서, 구체적으로는 차량의 실내압력이 과도한 경우에 공기가 배출되는 통로가 강제적으로 개폐되는 차량의 환기 시스템에 관한 것이다.The present invention relates to a ventilation system of a vehicle for discharging the indoor air of the vehicle to the outside, and more particularly, to a ventilation system of a vehicle for forcibly opening and closing the passage through which air is discharged when the indoor pressure of the vehicle is excessive.

일반적으로 도1에 도시되듯이, 외기 또는 순환된 내기가 차량의 실내로 공급된다. 구체적으로 내외기모드조절액추에이터(도시안됨)가 작동되어 차량의 외부 공기가 공급되는 외기모드로 설정된 경우에는 외기가 차량의 카울부에 위치하는 흡입구(11)를 통해 흡입되어 차량의 실내로 공급된다. 그리고, 내외기모드조절액추에이터(도시안됨)가 작동되어 차량의 실내 공기가 순환되는 내기모드로 설정된 경우에는 내기가 순환되어 차량의 공기조화장치(15)에 의하여 가열되거나 냉각되어 다시 차량의 실내로 공급된다. 공기는 차량의 주행에 의하여 자연스럽게 차량의 실내로 공급되거나, 공기조화장치(15)의 흡입블로워(도시 안됨)에 의하여 강제로 차량의 실내로 공급된다.In general, as shown in Fig. 1, outside air or circulated bet is supplied to a vehicle interior. Specifically, when the internal and external air mode control actuator (not shown) is set to the external air mode in which the outside air of the vehicle is supplied, the outside air is sucked through the inlet 11 located in the cowl of the vehicle and supplied to the interior of the vehicle. . In addition, when the indoor / outdoor air mode control actuator (not shown) is set to a bet mode in which the indoor air of the vehicle is circulated, the bet is circulated, heated or cooled by the air conditioner 15 of the vehicle, and then returned to the interior of the vehicle. Supplied. The air is naturally supplied to the interior of the vehicle by driving the vehicle, or is forcibly supplied to the interior of the vehicle by a suction blower (not shown) of the air conditioner 15.

실내공기는 차량의 도어 창문 또는 차량의 리어 패키지 트레이(13)와 트렁크(14) 룸을 거쳐 트렁크(14) 룸의 측면에 위치하는 배출구(12)를 통해 차량의 외부로 배출된다.The indoor air is discharged to the outside of the vehicle through the outlet window 12 located on the side of the trunk 14 room through the vehicle door window or the rear package tray 13 and the trunk 14 room of the vehicle.

최근에는 보다 차량의 실내가 쾌적하고 안락하게 되도록, 실내공기의 일정량(BODY LEAKAGE)이 차량의 실내에 흐르며 차량의 실내는 일정한 압력으로 유지되도록 제어되고 있다. 또한, 도어가 원활하게 닫히고, 귀가 멍멍해지는 현상이 없도록 차량의 실내압력이 제어되기도 한다.Recently, a certain amount of body air flows into the interior of the vehicle and the interior of the vehicle is maintained at a constant pressure so that the interior of the vehicle becomes more comfortable and comfortable. In addition, the interior pressure of the vehicle may be controlled so that the door closes smoothly and the ears are not blunt.

종래에는 도2에 도시되듯이, 고무로 된 도어패드(25)가 차량의 실내로 유입되는 공기의 압력과 차량 외부의 공기 유동에 의한 압력 저하에 인한 압력차에 의하여 개방되어, 탑승자의 호흡이나 흡연 등으로 오염된 실내공기가 신선한 공기로 환기되었다. 그러나, 차량이 중저속으로 주행하는 경우에는 도어패드(25)가 고무 자체 특성 및 구조적 이유로 종종 개방되지 않아, 환기되지 않고 차량의 실내압력이 과도히 크게 형성되는 문제점이 있었다. 이로 인해 차량의 실내에 공기의 흐름이 형성되지 않아 도어의 창문에 미스트(MIST)가 많이 형성되고 시야가 나빠지는 문제점이 있었다.Conventionally, as shown in FIG. 2, the rubber door pad 25 is opened by a pressure difference caused by a pressure drop caused by air pressure flowing into a vehicle interior and a pressure drop caused by an air flow outside the vehicle, thereby reducing breathing of a passenger. Indoor air contaminated by smoking was ventilated with fresh air. However, when the vehicle is traveling at low and medium speeds, the door pad 25 is not often opened due to the rubber properties and structural reasons, so that the indoor pressure of the vehicle is excessively large without being ventilated. As a result, air flow is not formed in the interior of the vehicle, and thus a lot of mist (MIST) is formed in the window of the door and the visibility is bad.

상기한 문제점 등을 해결하기 위하여 안출된 것으로써, 본 발명의 목적은 차량이 중저속으로 주행되는 경우에도 차량의 실내에 공기흐름이 원활한 차량 환기시스템을 제공하는 것이다.In order to solve the above problems and the like, an object of the present invention is to provide a vehicle ventilation system with a smooth air flow in the interior of the vehicle even when the vehicle is traveling at a low to medium speed.

또한, 본 발명의 목적은 차량 실내압력이 과도한 경우에 강제로 도어패드가 개방되는 차량 환기시스템을 제공하는 것이다.It is also an object of the present invention to provide a vehicle ventilation system in which the door pad is forcibly opened when the vehicle interior pressure is excessive.

또한, 본 발명의 목적은 차량의 실내가 담배연기 등으로 오염된 경우에 강제로 환기시키는 차량 환기시스템을 제공하는 것이다.It is also an object of the present invention to provide a vehicle ventilation system for forcibly ventilating when the interior of a vehicle is contaminated with tobacco smoke or the like.

도1은 일반적으로 공기가 차량의 실내로 흡입되고 배출되는 상태를 개략적으로 도시하는 도면이다.1 is a view schematically showing a state in which air is sucked in and discharged into a vehicle interior generally.

도2a는 종래의 차량 환기 시스템의 도어패드를 간략적으로 도시한 정면도이다.Figure 2a is a simplified front view of a door pad of a conventional vehicle ventilation system.

도2b는 도2a의 측면도이다.Fig. 2B is a side view of Fig. 2A.

도3은 본 발명에 의한 차량 환기 시스템의 개략적인 구성도이다.3 is a schematic configuration diagram of a vehicle ventilation system according to the present invention.

*도면의 주요 기호에 대한 간략한 설명** Brief description of the main symbols in the drawings *

10...환기 시스템, 11...흡입구, 12...배출구, 13...리어패키지트레이, 14...트렁크, 15...공기조화장치10 ... ventilation system, 11 ... inlet, 12 ... outlet, 13 ... rear package tray, 14 ... trunk, 15 ... air conditioning

21...배출구, 22...모터, 23...피니언, 24...랙, 25...도어패드, 26...축, 27...흡입블로워, 28...내외기모드조절액추에이터,21 ... outlet, 22 ... motor, 23 ... pinion, 24 ... rack, 25 ... door pad, 26 ... shaft, 27 ... suction blower, 28 ... Mod control actuator,

31...압력센서, 32...스모크센서,31 pressure sensor, 32 smoke sensor,

40...제어부,40 ...

상기한 본 발명의 목적이 달성되도록, 본 발명은 차량 실내공기가 외부로 배출되도록, 차량 실내, 실외의 압력차에 의하여 개폐되는 도어패드와; 상기 도어패드가 개폐되도록, 끝단이 상기 도어패드와 닿고, 피니언과 맞물리는 랙과; 상기 피니언을 회전시키는 모터와; 차량 실내에 설치되는 압력센서와; 상기 압력센서에 의해 측정된 실내압력이 소정의 압력 이상인 때 상기 도어패드가 개방되도록, 상기 모터에 개방신호가 출력되는 제어부를; 포함한다.In order to achieve the above object of the present invention, the present invention includes a door pad that is opened and closed by the pressure difference between the inside and the outside of the vehicle so that the indoor air is discharged to the outside; A rack having an end contacting the door pad and engaging the pinion to open and close the door pad; A motor for rotating the pinion; A pressure sensor installed in the vehicle interior; A control unit for outputting an opening signal to the motor so that the door pad is opened when the indoor pressure measured by the pressure sensor is equal to or greater than a predetermined pressure; Include.

이하, 본 발명의 바람직한 실시예를 첨부도면을 참조하면서 구체적으로 설명한다.Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도3에 도시되듯이, 본 발명에 의한 실내압력이 제어되는 차량 환기 시스템(10)은 크게 작동부, 센서부 및 제어부(40)로 이루어진다.As shown in FIG. 3, the vehicle ventilation system 10 in which the indoor pressure is controlled according to the present invention is largely composed of an operation part, a sensor part, and a control part 40.

상기 작동부는 도어패드(25), 랙-피니언(24, 23), 모터(22)로 이루어진다. 배출구(21)는 예를 들어 차량 트렁크 룸의 측면에 형성되어, 차량의 실내공기가 외부로 배출되는 통로가 된다. 상기 도어패드(25)는 바람직하게는 고무로 형성되어 있으며 배출구(21)에 한쪽 끝부분이 고정되고 다른쪽 끝부분이 고정되지 않은 형태로 설치되어, 차량의 주차시에는 상기 배출구(21)가 폐쇄되고 차량의 주행시에는 차량의 실내로 공기로 유입됨에 따라 압력차에 의해 상기 배출구(21)가 개방된다.The actuating part is composed of a door pad 25, rack-pinion 24, 23, and a motor 22. The outlet 21 is formed on the side of the vehicle trunk room, for example, and becomes a passage through which the indoor air of the vehicle is discharged to the outside. The door pad 25 is preferably formed of rubber and is installed in a form in which one end is fixed to the outlet 21 and the other end is not fixed, so that the outlet 21 is parked when the vehicle is parked. When the vehicle is closed and the vehicle is driven, the outlet 21 is opened by the pressure difference as it flows into the interior of the vehicle.

또한, 상기 랙(24)이 도어패드(25)에 닿고, 상기 랙(24)은 피니언(23)과 맞물리며, 상기 피니언(23)은 모터(22)와 결합된다. 이에 따라 모터(22)의 정회전, 역회전, 정지에 의해 도어패드(25)도 강제적으로 개방된다. 도어패드(25)는 상기 랙(24)이 원래 위치로 복원되는 경우에 도어패드(25) 자체의 탄성에 의하여 폐쇄된다. 이에 의해, 종래와 같이 압력차에 의하여 도어패드(25)가 개폐되면서, 필요시에 도어패드(25)가 강제적으로 개방된다.In addition, the rack 24 touches the door pad 25, the rack 24 meshes with the pinion 23, and the pinion 23 is coupled with the motor 22. Accordingly, the door pad 25 is also forcibly opened by the forward rotation, the reverse rotation, and the stop of the motor 22. The door pad 25 is closed by the elasticity of the door pad 25 itself when the rack 24 is restored to its original position. As a result, while the door pad 25 is opened and closed by a pressure difference as in the related art, the door pad 25 is forcibly opened when necessary.

한편, 경우에 따라서는 종래의 차량 공기조화장치에 장착되어 있는 흡입블로워(27)도 본 발명에 의한 차량 환기시스템의 제어부(40)와 연결되어, 제어부(40)의 신호에 따라 차량의 실내 또는 실외 공기가 차량의 실내로 강제로 흡입된다.On the other hand, in some cases, the suction blower 27 mounted in the conventional vehicle air conditioner is also connected to the control unit 40 of the vehicle ventilation system according to the present invention, according to the signal of the control unit 40 or Outdoor air is forced into the vehicle's interior.

차량의 공기조화장치에 장착된 내외기모드조절액추에이터(28)가 본 발명에 의한 차량 환기시스템의 제어부(40)와 연결되어, 제어부(40)의 신호에 따라 차량의 실내공기(내기)가 순환되는 내기모드로 설정되거나 실외공기(외기)가 차량의 실내로 흡입되는 외기모드로 설정된다. 내외기모드조절액추에이터(28)는 예를 들어 모터 또는 에어실린더로 이루어져, 외기통로와 내기통로를 개폐하는 댐퍼를 작동시킨다.The indoor / outdoor air mode control actuator 28 mounted on the air conditioner of the vehicle is connected to the control unit 40 of the vehicle ventilation system according to the present invention, and the indoor air of the vehicle (circulator) is circulated according to the signal of the control unit 40. It is set to the bet mode or the outdoor air (outer air) is set to the outdoor air mode in which the indoor air is sucked. The internal / external air mode control actuator 28 is made of, for example, a motor or an air cylinder to operate a damper for opening and closing the external air passage and the internal air passage.

상기 센서부에는 압력센서(31)가 설치되며 경우에 따라 스모크센서(32)가 설치된다. 상기 압력센서(31)는 차량의 실내에 설치되어, 차량의 실내 공기압력이 측정되며 제어부(40)로 출력된다. 그리고 상기 스모크센서(32)는 차량의 실내에 설치되어, 담배연기 또는 이산화탄소의 농도가 측정되어 제어부(40)로 출력된다.The sensor unit is provided with a pressure sensor 31 and optionally a smoke sensor 32 is installed. The pressure sensor 31 is installed in the interior of the vehicle, the indoor air pressure of the vehicle is measured and output to the control unit 40. And the smoke sensor 32 is installed in the interior of the vehicle, the concentration of tobacco smoke or carbon dioxide is measured and output to the controller 40.

상기 제어부(40)는 일종의 전자제어장치(ECU)이며, 상기 압력센서(31)와 스모크센서(32)의 신호가 입력되며, 차량의 실내압력 및 차량의 실내공기의 오염정도가 판단되고, 이에 따라 상기 모터(22)가 정회전, 역회전 또는 정지되어 도어패드(25)의 개도가 제어되고, 경우에 따라서는 상기 흡입블로워(27) 및 내외기모드조절액추에이터(28)가 제어된다.The control unit 40 is a kind of electronic control unit (ECU), and the signals of the pressure sensor 31 and the smoke sensor 32 are input, and the indoor pressure of the vehicle and the degree of contamination of the indoor air of the vehicle are determined. Accordingly, the motor 22 is rotated forward, reverse, or stopped to control the opening degree of the door pad 25, and in some cases, the suction blower 27 and the internal / outer air mode control actuator 28 are controlled.

예를 들면 상기 압력센서(31)의 신호가 입력되고, 실내압력이 소정의 압력 이상인 때 상기 제어부(40)에서 상기 모터(22)로 개방신호가 출력되어, 상기 도어패드(25)가 개방된다. 차량의 실내에 과도한 압력이 해소되면, 상기 모터(25)는 원위치로 복귀하고 상기 도어패드(25)도 도어패드(25)의 탄성에 의해 복귀된다. 상기 스모크센서(32)에 의해 소정 농도이상의 담배연기가 검출되는 때에도, 상기 제어부(40)에 의해 상기 모터(22)로 개방신호가 출력되어, 상기 도어패드(25)가 개방된다.For example, when the signal of the pressure sensor 31 is input, when the room pressure is equal to or greater than a predetermined pressure, an opening signal is output from the controller 40 to the motor 22, and the door pad 25 is opened. . When excessive pressure is released to the interior of the vehicle, the motor 25 returns to its original position and the door pad 25 is also returned by the elasticity of the door pad 25. Even when cigarette smoke of a predetermined concentration or more is detected by the smoke sensor 32, an opening signal is output by the control unit 40 to the motor 22, and the door pad 25 is opened.

경우에 따라서는 상기 모터(25)에 의하여 상기 도어패드(25)가 개방되는 때에, 상기 제어부(40)에 의해 내외기모드조절액추에이터(28)가 작동되어 외기모드로 설정되고, 또한, 상기 제어부(40)에 의해 상기 흡입블로워(27)도 함께 작동되어, 공기가 강제로 흡입되어 배출되어 환기가 신속히 이루어진다, 차량의 실내와 실외의 압력차가 신속히 해소된다.In some cases, when the door pad 25 is opened by the motor 25, the internal / external air mode control actuator 28 is operated by the control unit 40 to be set to the external air mode, and the control unit The suction blower 27 is also operated by the 40, and the air is forcibly sucked and discharged to quickly ventilate the air, so that the pressure difference between the indoor and outdoor of the vehicle is quickly eliminated.

상기와 같이 구성되는 본 발명은 차량이 중저속으로 주행되는 경우에도 차량의 실내에 공기흐름이 원활해지는 작용효과가 있다. 또한, 본 발명은 차량 실내압력이 과도한 경우에 강제로 도어패드가 개방되는 작용효과가 있다. 또한, 본 발명은 차량의 실내가 오염된 경우에 강제로 환기되는 작용효과가 있다.The present invention configured as described above has the effect of smoothing the air flow in the interior of the vehicle even when the vehicle is traveling at low to medium speeds. In addition, the present invention has the effect of forcibly opening the door pad when the vehicle interior pressure is excessive. In addition, the present invention has the effect of being forced ventilation when the interior of the vehicle is contaminated.

Claims (3)

차량 실내공기가 외부로 배출되도록, 차량 실내, 실외의 압력차에 의하여 개폐되는 도어패드와;A door pad opened and closed by a pressure difference between the inside and the outside of the vehicle so that the indoor air of the vehicle is discharged to the outside; 상기 도어패드가 개폐되도록, 끝단이 상기 도어패드와 닿고, 피니언과 맞물리는 랙과;A rack having an end contacting the door pad and engaging the pinion to open and close the door pad; 상기 피니언을 회전시키는 모터와;A motor for rotating the pinion; 차량 실내에 설치되는 압력센서와;A pressure sensor installed in the vehicle interior; 상기 압력센서에 의해 측정된 실내압력이 소정의 압력 이상인 때 상기 도어패드가 개방되도록, 상기 모터에 개방신호가 출력되는 제어부를; 포함하는 것을 특징으로 하는 실내압력이 제어되는 차량 환기시스템.A control unit for outputting an opening signal to the motor so that the door pad is opened when the indoor pressure measured by the pressure sensor is equal to or greater than a predetermined pressure; Vehicle pressure controlled vehicle pressure characterized in that it comprises a. 제1항에 있어서, 스모크센서가 차량 실내에 설치되며;2. The apparatus of claim 1, wherein the smoke sensor is installed in the vehicle interior; 상기 스모크센서에 의해 소정 농도이상의 담배연기가 검출되는 때, 상기 도어패드가 개방되도록, 상기 제어부에 의해 상기 모터로 개방신호가 출력되는 것을 특징으로 하는 실내압력이 제어되는 차량 환기시스템.And an opening signal is output to the motor by the control unit so that the door pad is opened when the cigarette smoke of a predetermined concentration or more is detected by the smoke sensor. 제1항 또는 제2항에 있어서, 차량의 공기조화장치에 장착된 흡입블로워와 상기 제어부가 서로 전기적으로 연결되며;The suction blower according to claim 1 or 2, wherein the suction blower mounted on the air conditioner of the vehicle and the control unit are electrically connected to each other; 차량의 공기조화시스템에 장착된 내외기모드조절액추에이터와 상기 제어부가서로 전기적으로 연결되며;Internal and external air mode control actuators mounted on a vehicle air conditioning system and the control unit are electrically connected to each other; 상기 제어부에서 상기 모터로 개방신호가 출력되는 때에, 상기 제어부의 신호에 의해 상기 흡입블로워가 작동되며, 상기 제어부의 신호에 의해 상기 내외기모드조절액추에이터가 작동되어 외기모드로 설정되는 것을 특징으로 하는 실내압력이 제어되는 차량 환기 시스템.When the open signal is output from the controller to the motor, the suction blower is operated by a signal of the controller, and the internal / outer air mode control actuator is operated by the signal of the controller to be set to the outside air mode. Vehicle ventilation system with controlled room pressure.
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