KR20040026000A - Method for controlling car air conditioner according to insolation and fresh air temperature - Google Patents

Method for controlling car air conditioner according to insolation and fresh air temperature Download PDF

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Publication number
KR20040026000A
KR20040026000A KR1020020056498A KR20020056498A KR20040026000A KR 20040026000 A KR20040026000 A KR 20040026000A KR 1020020056498 A KR1020020056498 A KR 1020020056498A KR 20020056498 A KR20020056498 A KR 20020056498A KR 20040026000 A KR20040026000 A KR 20040026000A
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KR
South Korea
Prior art keywords
temperature
evaporator
compressor
solar radiation
air conditioner
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Application number
KR1020020056498A
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Korean (ko)
Inventor
문동호
최준호
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한라공조주식회사
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Priority to KR1020020056498A priority Critical patent/KR20040026000A/en
Publication of KR20040026000A publication Critical patent/KR20040026000A/en

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    • 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
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3205—Control means therefor
    • B60H1/3216—Control means therefor for improving a change in operation duty of a compressor in a vehicle
    • 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
    • B60H1/0075—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 solar radiation
    • 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
    • B60H1/32—Cooling devices
    • B60H2001/3236—Cooling devices information from a variable is obtained
    • B60H2001/3255—Cooling devices information from a variable is obtained related to temperature
    • B60H2001/3261—Cooling devices information from a variable is obtained related to temperature of the air at an evaporating unit
    • 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
    • B60H1/32—Cooling devices
    • B60H2001/3269—Cooling devices output of a control signal
    • B60H2001/327—Cooling devices output of a control signal related to a compressing unit

Abstract

PURPOSE: A method for controlling an air conditioner of an automobile depending on solar radiation and temperature of outdoor air is provided to improve cooling performance by actively corresponding with outside state of the automobile, compensating cycling temperature of an evaporator, and controlling operation of a compressor. CONSTITUTION: A method includes the steps of: a step(S110,S120) in which a control unit reads indoor/outdoor information of an automobile including temperature of outdoor air, solar radiation and temperature of an evaporator at initializing stage of an air conditioner; a step(S200,S210,S220,S230,S400) setting cycling temperature or the evaporator at first set temperature if the temperature of outdoor air is lower than set temperature and solar radiation is lower than set value, and driving the compressor if the temperature of the evaporator read by the control unit is higher than the first set temperature, and stopping the compressor if the temperature of the evaporator is lower than the first set temperature; and a step(S300,S310) setting the cycling temperature of the evaporator at second set temperature lower than the first set temperature if the temperature of outdoor air is higher than the set temperature or the solar radiation is higher than the set value, driving the compressor if the temperature of the evaporator is higher than the second set temperature, and stopping the compressor if the temperature of the evaporator is lower than the second set temperature.

Description

일사 및 외기온도에 따른 자동차 공조장치 제어방법{METHOD FOR CONTROLLING CAR AIR CONDITIONER ACCORDING TO INSOLATION AND FRESH AIR TEMPERATURE}TECHNICAL FOR CONTROLLING CAR AIR CONDITIONER ACCORDING TO INSOLATION AND FRESH AIR TEMPERATURE}

본 발명은 일사 및 외기온도에 따른 자동차 공조장치 제어방법에 관한 것으로서, 특히 온도조절도어의 보정으로 해결할 수 없는 구간에서도 자동차의 외부의 조건 즉, 일사량 및 외기온 등의 변동에 능동적으로 대처하여 냉방성능을 개선할 수 있는 일사 및 외기온도에 따른 자동차 공조장치 제어방법에 관한 것이다.The present invention relates to a method for controlling a vehicle air conditioner according to solar radiation and outside temperature, and particularly, in a section that cannot be solved by the correction of temperature control doors, to effectively respond to changes in the exterior conditions of the vehicle, that is, solar radiation and ambient temperature It relates to a vehicle air conditioner control method according to the solar radiation and the outside temperature to improve the.

자동차 공조장치에 있어서 외기온도가 높은 경우에는 일반적으로 공조케이스내의 공기유로의 개도를 조절하는 온도조절도어가 미리 설정된 온도조절도어 개도 제어식에 따라 냉기가 좀 더 많이 토출될 수 있는 쪽으로 위치하도록 히터코어쪽 유로의 개도를 제어하여 탑승객이 느끼는 상대적 더위를 감소시킨다. 또한, 일사가 강한 조건에서도 온도조절도어 개도 제어식에서 나온 결과값에 대하여 이를 보정하여 온도조절도어를 일사가 약할 때의 위치보다 좀 더 냉기가 많이 토출될 수 있는 쪽으로 위치시켜 냉방성능을 확보한다. 이를 위하여, 차량 실내/외의 각종 환경을 감지하는 입력수단들 예컨대, 외기온도감지센서, 일사량검출센서 등이 공조장치의 구성요소로 구비되며, 이러한 기술은 일본 공개특허 평11-5439호 등에 잘 나타나 있다.In the case of a high air temperature in a vehicle air conditioner, a heater core is generally positioned such that a temperature control door for adjusting the opening degree of an air flow path in an air conditioning case is located toward a side where a larger amount of cold air can be discharged according to a preset temperature control door opening control method. The opening degree of the side flow path is controlled to reduce the relative heat felt by the passenger. In addition, even if the solar radiation is strong conditions to compensate for the result of the temperature control door opening degree control expression by positioning the temperature control door toward the side where the cold air can be discharged more than the position when the solar radiation is weak to secure the cooling performance. To this end, input means for sensing a variety of indoor and outdoor environments, for example, outside temperature sensor, solar radiation detection sensor, etc. are provided as a component of the air conditioning apparatus, such a technique is well represented in Japanese Patent Laid-Open No. 11-5439. have.

이와 같이 일사 및 외기온도에 따라 온도조절도어에 의한 개도를 보정하는 방식의 공조장치 제어방법에서는 온도조절도어가 냉기가 더 많이 토출될 수 있도록 하는 위치로 동작할 수 있는 위치에 놓여 있을 경우에만 제어될 수 있다.As described above, in the air conditioner control method of correcting the opening degree by the temperature control door according to the solar radiation and the outside air temperature, the control is performed only when the temperature control door is positioned to operate at a position to allow more cold air to be discharged. Can be.

예컨대, 하절기에 온도조절도어가 풀 냉방측으로 위치해 있다면 온도조절도어는 더 이상의 냉기를 토출할 수 있는 위치로 이동될 수 없다. 따라서, 온도조절도어 개도 보정은 의미를 잃어버리고, 일사 및 외기온도가 더 가혹한 조건으로 변화해도 이에 능동적으로 대처할 수 없다.For example, if the temperature control door is located at the full cooling side in the summer, the temperature control door cannot be moved to a position capable of discharging any further cold air. Therefore, the correction of the opening degree of the temperature control door loses its meaning, and even if the solar radiation and the outside temperature change to more severe conditions, it cannot actively cope with this.

본 발명은 상기한 종래 문제점을 고려하여 이루어진 것으로서, 온도조절도어의 보정으로 해결할 수 없는 구간에서도 자동차의 외부의 조건 즉, 일사량 및 외기온 등의 변동에 능동적으로 대처하여 증발기 사이클링 온도를 보정하여 압축기 동작여부를 제어함으로써 냉방성능을 개선할 수 있는 일사 및 외기온도에 따른 자동차 공조장치 제어방법의 제공을 목적으로 한다.The present invention has been made in consideration of the above-described conventional problems, and the compressor operates by actively correcting the evaporator cycling temperature by actively coping with fluctuations in the external conditions of the vehicle, that is, the amount of insolation and outside temperature, even in a section that cannot be solved by the correction of the temperature control door. It is an object of the present invention to provide a method for controlling a vehicle air conditioner according to solar radiation and outside temperature that can improve cooling performance by controlling whether or not.

도 1은 본 발명에 따른 제어방법을 수행하기 위한 공조장치를 나타내는 구성도이다.1 is a block diagram showing an air conditioning apparatus for performing a control method according to the present invention.

도 2는 본 발명에 따른 제어방법을 나타내는 흐름도이다.2 is a flowchart illustrating a control method according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

100 : 제어유니트, 300 : 외기온도감지센서,100: control unit, 300: outdoor temperature sensor,

310 : 일사량감지센서, 320 : 증발기온도감지센서,310: solar radiation sensor, 320: evaporator temperature sensor,

700 : 증발기, 720 : 압축기700: evaporator, 720: compressor

상기 목적을 달성하기 위하여, 본 발명에 따른 일사 및 외기온도에 따른 자동차 공조장치 제어방법은, 공조장치의 초기화상태에서 각종 입력수단으로부터 입력되는 외기온도, 일사량 및 증발기온도를 포함하는 자동차 실/내외의 각종 정보를 제어유니트가 읽어들이는 단계와; 공조장치 가동시 외기온도가 설정온도보다 낮고 일사량이 설정치보다 낮은 경우 증발기 사이클링 온도를 제1설정온도로 설정하여 제어유니트가 읽어들이는 증발기온도가 상기 제1설정온도보다 소정치 이상 높은 경우 압축기를 구동함과 아울러 증발기온도가 상기 제1설정온도보다 낮은 경우 압축기의 구동을 정지하도록 제어하는 단계와; 그리고, 공조장치 가동시 외기온도가 설정온도보다 높거나 일사량이 설정치보다 높은 경우 증발기 사이클링 온도를 상기 제1설정온도보다 소정치 낮은 제2설정온도로 설정하여 제어유니트가 읽어들이는 증발기온도가 상기 제2설정온도보다 소정치 이상 높은 경우 압축기를 구동함과 아울러 증발기온도가 상기 제2설정온도보다 낮은 경우 압축기의 구동을 정지하도록 제어하는 단계;를 포함하여 이루어지는 것을 특징으로 한다.In order to achieve the above object, the vehicle air conditioner control method according to the solar radiation and the outside temperature according to the present invention, the interior / exterior of the vehicle including the outside air temperature, solar radiation and the evaporator temperature input from the various input means in the initial state of the air conditioner Reading various information of the control unit; If the outside air temperature is lower than the set temperature and the solar radiation is lower than the set value when operating the air conditioner, set the evaporator cycling temperature to the first set temperature, and if the evaporator temperature read by the control unit is higher than the first set temperature, the compressor is Controlling driving to stop driving of the compressor when the evaporator temperature is lower than the first set temperature; If the outside air temperature is higher than the set temperature or the solar radiation is higher than the set value when the air conditioner is operated, the evaporator temperature read by the control unit is set by setting the evaporator cycling temperature to a second set temperature lower than the first set temperature. And controlling the compressor to stop the driving of the compressor when the evaporator temperature is lower than the second preset temperature when the evaporator temperature is lower than the second preset temperature.

상기한 바와 같이 구성된 본 발명에 따른 일사 및 외기온도에 따른 자동차 공조장치 제어방법에 따르면, 외기온도가 높거나 일사량이 높은 경우에 증발기 사이클링 온도를 평상시의 제1설정온도보다 낮은 온도인 제2설정온도로 설정하고, 증발기온도감지센서로부터 감지되는 증발기온도가 상기 제2설정온도보다 낮은 경우압축기의 구동이 정지되므로, 평상시보다 낮은 온도의 냉기를 자동차 실내로 공급할 수 있다. 따라서 혹서기에도 자동차 실내의 온도 쾌적성을 높일 수 있다.According to the control method of the vehicle air conditioner according to the solar radiation and the outside temperature according to the present invention configured as described above, when the outside temperature is high or the amount of insolation, the evaporator cycling temperature is a second setting which is lower than the normal first set temperature When the temperature is set and the evaporator temperature detected by the evaporator temperature sensor is lower than the second set temperature, the compressor is stopped, and thus, cold air having a lower temperature than usual can be supplied to the vehicle interior. Therefore, even in the heat of the car can increase the temperature comfort of the interior of the car.

본 발명의 특징 및 이점들은 첨부도면에 의거한 다음의 상세한 설명으로 더욱 명백해질 것이다. 이에 앞서, 본 명세서 및 청구범위에 사용된 용어나 단어는 발명자가 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, the terms or words used in the present specification and claims are defined in the technical spirit of the present invention on the basis of the principle that the inventor can appropriately define the concept of the term in order to explain his invention in the best way. It must be interpreted to mean meanings and concepts.

도 1에는 본 발명에 따른 제어방법을 수행하기 위한 자동차 공조장치의 예가 도시되어 있다.1 shows an example of a vehicle air conditioning apparatus for performing a control method according to the present invention.

이 공조장치는 자동차 실내/외의 센서와 같은 각종 입력수단들, 예컨대 외기온도감지센서(300), 일사량감지센서(310), 증발기온도감지센서(320) 등으로부터 자동차 실내/외의 각종 정보가 제어유니트(100)에 입력되어 처리됨으로써 공조장치의 공조모드가 자동적으로 제어되도록 되어 있다. 여기서는 미도시되었으나 공조모드의 제어는 인스트루먼트 패널에 설치되는 조작부의 각종 버튼을 조작함으로써 수동으로도 수행될 수 있다.This air conditioner is a control unit for various indoor / outdoor vehicle information from the various input means such as the indoor / outdoor sensor, for example, the outside air temperature sensor 300, the solar radiation sensor 310, the evaporator temperature sensor 320, etc. The air conditioning mode of the air conditioning apparatus is automatically controlled by being input to 100 and being processed. Although not shown here, the control of the air conditioning mode may be manually performed by operating various buttons of the operation unit installed in the instrument panel.

상기 공조장치는, 출구에 각각 도어(510d, 520d, 530d)에 의하여 개도가 조절되는 디프로스트 벤트(510), 페이스 벤트(520) 및 푸트 벤트(530)가 설치된 공조케이스(500)와, 상기 공조케이스(500)의 입구(550)에 연결되고 상부에 전환도어(630)에 의하여 개도가 조절되는 내기흡입구(610) 및 외기흡입구(620)가 설치되며 송풍기 모터(650)에 의해 회전하는 송풍팬(640)에 의하여 내기 또는 외기를 공조케이스(500)의 내부로 송풍하는 송풍기(600)와; 상기 공조케이스(500)의 내부유로중 상류측에 설치되는 증발기(700)와; 그리고, 상기 공조케이스(500)의 내부유로중 하류측에 설치되고 전방에 설치되는 온도조절도어(540)에 의하여 송풍개도가 조절되는 히터코어(710)를 구비한다.The air conditioning apparatus includes an air conditioning case 500 provided with a defrost vent 510, a face vent 520, and a foot vent 530 whose openings are adjusted by doors 510d, 520d, and 530d at the exit, respectively, Connected to the inlet 550 of the air conditioning case 500, the air inlet 610 and the air inlet 620, the opening degree is adjusted by the switching door 630 is installed on the top and the air blowing by the blower motor 650 A blower 600 for blowing the inside or outside air by the fan 640 into the air conditioning case 500; An evaporator 700 installed on an upstream side of an internal flow path of the air conditioning case 500; In addition, the heater core 710 is installed at a downstream side of the internal flow path of the air conditioning case 500 and is controlled by the temperature control door 540 installed at the front.

증발기온도감지센서(320)는 증발기(700) 뒤쪽에 설치되어 증발기(700)를 거친 송풍공기의 온도를 감지하게 된다.The evaporator temperature detection sensor 320 is installed at the rear of the evaporator 700 to detect the temperature of the blown air passing through the evaporator 700.

냉매가 순환하도록, 증발기(700)는 압축기(720)와 관로로 연결되고 압축기(720)는 응축기(730)와 연결되며, 응축기(730)는 리시버 드라이어(740)와 연결되고, 리시버 드라이어(740)는 증발기(700)와 연결되는 팽창밸브(750)와 연결됨으로써 냉방사이클이 구성된다. 또한 냉각수가 순환하도록, 히터코어(710)는 엔진(800)과 연결됨으로써 난방사이클이 구성된다.To circulate the refrigerant, the evaporator 700 is conduited with the compressor 720, the compressor 720 is connected with the condenser 730, the condenser 730 is connected with the receiver dryer 740, and the receiver dryer 740. ) Is connected to the expansion valve 750 is connected to the evaporator 700 is configured by the cooling cycle. In addition, the heater core 710 is connected to the engine 800 so that the cooling water circulates, the heating cycle is configured.

따라서, 냉방모드시에는 송풍기(600)에 의하여 송풍되는 내기 또는 외기가 증발기(700)를 거치면서 증발기(700) 내부를 유동하는 냉매와 열교환되어 냉기로 바뀐 채 개방된 벤트들을 통하여 자동차 실내로 토출됨으로써 자동차 실내의 냉방이 수행된다. 이 냉방모드시 풀 냉방상태에서는 도시된 바와 같이 온도조절도어(540)는 히터코어(710)쪽 공기유로를 폐쇄하게 된다. 또한, 난방모드시에는 온도조절도어(540)는 히터코어(710)를 우회하는 유로를 막으면서 히터코어(710)쪽 공기유로를 개방하도록 동작하고, 이에 따라 송풍공기가 증발기(700) 및 히터코어(710)를 거치면서 히터코어(710) 내부를 유동하는 냉각수와 열교환되어 온기로 바뀐 채 개방된 벤트들을 통하여 자동차 실내로 토출됨으로써 자동차 실내의 난방이 수행된다.Therefore, in the cooling mode, the inside or outside air blown by the blower 600 is exchanged with the refrigerant flowing through the evaporator 700 while passing through the evaporator 700, and is discharged to the inside of the vehicle through the open vents, which are changed to cold. As a result, cooling of the vehicle interior is performed. In the cooling mode in the cooling mode, the temperature control door 540 closes the air flow path toward the heater core 710 as shown. In addition, in the heating mode, the temperature control door 540 operates to open the air passage toward the heater core 710 while blocking the flow path bypassing the heater core 710, and thus, the blower air causes the evaporator 700 and the heater. The heating of the interior of the vehicle is performed by passing through the core 710 and discharging the interior of the heater core 710 into the interior of the vehicle through open vents while being exchanged with warm water.

제어유니트(100)는 바로 전환도어(630), 송풍기 모터(650), 온도조절도어(540) 및 각 벤트(510, 520, 530)의 도어(510d, 520d, 530d)를 구동하는 출력전압과 압축기(720)의 전자클러치(722)에 대한 통전여부를 제어함으로써 내/외기유입, 풍량, 온도 및 풍향에 대한 각종 공조모드 및 압축기(720)의 구동을 제어하게 된다.The control unit 100 is directly connected to the output voltage for driving the switching door 630, the blower motor 650, the temperature control door 540 and the doors (510d, 520d, 530d) of each vent (510, 520, 530). By controlling the energization of the electronic clutch 722 of the compressor 720, various air conditioning modes and driving of the compressor 720 for internal / external air inflow, air volume, temperature, and wind direction are controlled.

본 발명에 따르면, 외기온도감지센서(300) 및 일사량감지센서(310)에 의해 감지되는 외기온도 및 일사량에 따라 증발기 사이클링 온도를 보정하여 설정한다. 즉, 외기온도 및 일사량이 설정치보다 낮은 평상시에는 증발기 사이클링 온도를 제1설정온도로 설정하고, 이 제1설정온도보다 증발기온도감지센서(320)로부터 감지되는 증발기온도가 더 낮은 경우 압축기의 구동을 정지한다. 한편, 외기온도 및 일사량이 설정치보다 높은 혹서기에는 증발기 사이클링 온도를 상기 제1설정온도보다 낮은 제2설정온도로 설정하고, 이 제2설정온도보다 증발기온도감지센서(320)로부터 감지되는 증발기온도가 더 낮은 경우 압축기의 구동을 정지한다. 따라서, 혹서기에도 자동차 실내의 온도 쾌적성을 높일 수 있다.According to the present invention, the evaporator cycling temperature is corrected and set according to the outside temperature and the amount of insolation detected by the outside temperature sensor 300 and the solar radiation sensor 310. That is, when the outside air temperature and the solar radiation amount is lower than the set value, the evaporator cycling temperature is set as the first set temperature, and the compressor is driven when the evaporator temperature detected by the evaporator temperature sensor 320 is lower than the first set temperature. Stop. On the other hand, in the cold weather where the outside air temperature and the solar radiation amount is higher than the set value, the evaporator cycling temperature is set to the second set temperature lower than the first set temperature, and the evaporator temperature detected from the evaporator temperature sensor 320 is greater than the second set temperature. If it is lower, the compressor is stopped. Therefore, the temperature comfort of the interior of an automobile can be improved even in the cold weather.

다음에 본 발명에 따른 일사 및 외기온도에 따른 자동차 공조장치 제어방법을 도 2를 참조하면서 구체적으로 설명한다.Next will be described in detail with reference to Figure 2 the vehicle air conditioner control method according to the solar radiation and the outside temperature according to the present invention.

먼저 자동차의 시동을 켜면(S100) 공조장치가 초기화(S110)된다.First turn on the start of the car (S100) the air conditioning unit is initialized (S110).

초기화 상태에서 제어유니트(100)는 각종 입력수단, 예컨대 외기온도감지센서(300), 일사량감지센서(310), 증발기온도감지센서(320) 등으로부터 입력되는 외기온도, 일사량, 증발기온도 등을 포함하는 자동차 실내/외의 각종 정보를 읽어들인다(S120).In the initialization state, the control unit 100 includes various input means, for example, the outside air temperature, insolation amount, evaporator temperature, etc. input from the outside temperature sensor 300, the solar radiation sensor 310, the evaporator temperature sensor 320, and the like. To read the various information of the interior / exterior of the car (S120).

제어유니트(100)는 공조장치 가동 여부를 판단(S130)하여 공조장치가 가동되지 않은 상태일 경우 통상제어(S140)를 하게 된다.The control unit 100 determines whether the air conditioner is operating (S130), and performs normal control (S140) when the air conditioner is not operated.

제어유니트(100)가 공조장치 가동 여부를 판단(S130)하여 공조장치가 가동된 상태에서, 외기온도감지센서(300)로부터 입력되는 외기온도를 제어유니트(100)가 판단(S200)하여 외기온도가 설정온도보다 낮고, 또한 일사량감지센서(310)로부터 입력되는 일사량을 제어유니트(100)가 판단(S210)하여 일사량이 설정치보다 낮으면, 증발기 사이클링 온도를 제1설정온도로 설정(S220)하고 이 제1설정온도를 기준으로 하여 압축기(720)의 구동이 제어된다.The control unit 100 determines whether the air conditioner is operated (S130) and the air conditioner is operated, and the control unit 100 determines (S200) the outside air temperature input from the outside air temperature sensor 300. Is lower than the set temperature and the control unit 100 determines the amount of solar radiation input from the solar radiation sensor 310 (S210), the solar radiation is lower than the set value, the evaporator cycling temperature is set to the first set temperature (S220) and The drive of the compressor 720 is controlled based on this first set temperature.

예컨대 외기온도는 30℃로 설정될 수 있다. 또한, 증발기 사이클링 온도의 제1설정온도는 1℃로 설정될 수 있다. 따라서, 증발기 사이클링 온도가 제1설정온도로 설정된 상태에서 제어유니트(100)는 증발기온도감지센서(320)로부터 입력되는 증발기온도를 판단(S230)하여 증발기온도가 제1설정온도보다 낮을 경우 압축기(720)의 구동을 정지(S400)시키는 제어를 수행한다. 또한, 제어유니트(100)는 증발기온도가 제1설정온도보다 소정치(예컨대 2℃) 이상으로 높은 경우 압축기(720)가 구동되도록 제어한다.For example, the outside air temperature may be set to 30 ° C. In addition, the first set temperature of the evaporator cycling temperature may be set to 1 ° C. Therefore, when the evaporator cycling temperature is set to the first set temperature, the control unit 100 determines the evaporator temperature input from the evaporator temperature sensor 320 (S230), and when the evaporator temperature is lower than the first set temperature, the compressor ( Control to stop the operation of the 720 (S400). In addition, the control unit 100 controls the compressor 720 to be driven when the evaporator temperature is higher than the first set temperature by a predetermined value (for example, 2 ° C.) or more.

한편, 공조장치가 가동된 상태에서, 외기온도감지센서(300)로부터 입력되는 외기온도를 제어유니트(100)가 판단(S200)하여 외기온도가 설정온도보다 높거나, 일사량감지센서(310)로부터 입력되는 일사량을 제어유니트(100)가 판단(S210)하여일사량이 설정치보다 높은 경우, 증발기 사이클링 온도를 상기 제1설정온도보다 소정치 낮은 제2설정온도로 보정하여 설정(S300)하고 이 제2설정온도를 기준으로 하여 압축기(720)의 구동이 제어된다.On the other hand, in the state that the air conditioner is operating, the control unit 100 determines the outside air temperature input from the outside air temperature sensor 300 (S200) and the outside air temperature is higher than the set temperature, or from the solar radiation sensor 310 When the solar radiation amount is higher than the set value by the control unit 100 judging the inputted solar radiation amount (S210), the evaporator cycling temperature is corrected to a second predetermined temperature lower than the first predetermined temperature and set (S300). The driving of the compressor 720 is controlled based on the set temperature.

예컨대, 상기 제2설정온도의 보정치는 제1설정온도보다 2℃ 낮은 온도(예컨대 -1℃)로 설정될 수 있다. 따라서, 증발기 사이클링 온도가 제2설정온도로 설정(S300)된 상태에서 제어유니트(100)는 증발기온도감지센서(320)로부터 입력되는 증발기온도를 판단(S310)하여 증발기온도가 제2설정온도보다 낮을 경우 압축기(720)의 구동을 정지(S400)시키는 제어를 수행한다. 또한, 제어유니트(100)는 증발기온도가 제1설정온도보다 소정치(예컨대 2℃) 이상으로 높은 경우 압축기(720)가 구동되도록 제어한다.For example, the correction value of the second set temperature may be set to a temperature 2 ° C. lower than the first set temperature (eg, −1 ° C.). Therefore, in the state in which the evaporator cycling temperature is set as the second set temperature (S300), the control unit 100 determines the evaporator temperature input from the evaporator temperature sensor 320 (S310) so that the evaporator temperature is higher than the second set temperature. If it is low, the control to stop the driving of the compressor 720 (S400) is performed. In addition, the control unit 100 controls the compressor 720 to be driven when the evaporator temperature is higher than the first set temperature by a predetermined value (for example, 2 ° C.) or more.

상기한 바와 같이 구성된 본 발명에 따른 일사 및 외기온도에 따른 자동차 공조장치 제어방법에 따르면, 외기온도가 높거나 일사량이 높은 혹서기에 증발기 사이클링 온도를 평상시의 제1설정온도보다 낮은 온도인 제2설정온도로 설정하고, 증발기온도감지센서(320)로부터 감지되는 증발기온도가 상기 제2설정온도보다 낮은 경우 압축기(720)의 구동이 정지되므로, 혹서기에 평상시보다 낮은 온도의 냉기를 자동차 실내로 공급할 수 있다.According to the control method of the vehicle air conditioner according to the solar radiation and the outside temperature according to the present invention configured as described above, the second setting is the temperature of the evaporator cycling temperature lower than the usual first set temperature in the heat of high outside temperature or high insolation amount When the temperature is set and the evaporator temperature detected by the evaporator temperature sensor 320 is lower than the second set temperature, the driving of the compressor 720 is stopped, so that cold air having a lower temperature than usual can be supplied to a car interior in a hot weather. have.

상기한 바와 같이 구성된 본 발명에 따른 일사 및 외기온도에 따른 자동차 공조장치 제어방법에 있어서는, 혹서기에 평상시보다 낮은 온도의 냉기를 자동차 실내로 공급할 수 있도록 이루어져 있으므로, 혹서기에도 자동차 실내의 쾌적한 냉방이 가능하여 자동차 실내의 온도 쾌적성을 높일 수 있다.In the method of controlling the vehicle air conditioner according to the solar radiation and the outside temperature according to the present invention configured as described above, it is possible to supply cold air of a lower temperature than usual in the hot weather to the car interior, so it is possible to comfortably cool the car interior even in the cold weather Therefore, the temperature comfort of the vehicle interior can be improved.

Claims (1)

공조장치의 초기화상태에서 각종 입력수단으로부터 입력되는 외기온도, 일사량 및 증발기온도를 포함하는 자동차 실/내외의 각종 정보를 제어유니트가 읽어들이는 단계와;The control unit reading various kinds of information of the inside and outside of the vehicle including the outside temperature, the amount of insolation and the evaporator temperature inputted from various input means in the initial state of the air conditioner; 공조장치 가동시 외기온도가 설정온도보다 낮고 일사량이 설정치보다 낮은 경우 증발기 사이클링 온도를 제1설정온도로 설정하여 제어유니트가 읽어들이는 증발기온도가 상기 제1설정온도보다 소정치 이상 높은 경우 압축기를 구동함과 아울러 증발기온도가 상기 제1설정온도보다 낮은 경우 압축기의 구동을 정지하도록 제어하는 단계와; 그리고,If the outside air temperature is lower than the set temperature and the solar radiation is lower than the set value when operating the air conditioner, set the evaporator cycling temperature to the first set temperature, and if the evaporator temperature read by the control unit is higher than the first set temperature, the compressor is Controlling driving to stop driving of the compressor when the evaporator temperature is lower than the first set temperature; And, 공조장치 가동시 외기온도가 설정온도보다 높거나 일사량이 설정치보다 높은 경우 증발기 사이클링 온도를 상기 제1설정온도보다 소정치 낮은 제2설정온도로 설정하여 제어유니트가 읽어들이는 증발기온도가 상기 제2설정온도보다 소정치 이상 높은 경우 압축기를 구동함과 아울러 증발기온도가 상기 제2설정온도보다 낮은 경우 압축기의 구동을 정지하도록 제어하는 단계;를 포함하여 이루어지는 것을 특징으로 하는 일사 및 외기온도에 따른 자동차 공조장치 제어방법.If the outside air temperature is higher than the set temperature or the solar radiation is higher than the set value when the air conditioner is operating, the evaporator temperature read by the control unit is set to the second set temperature lower than the first set temperature by the evaporator cycling temperature. And driving the compressor when the evaporator temperature is lower than the second preset temperature when the evaporator temperature is lower than the second preset temperature. HVAC control method.
KR1020020056498A 2002-09-17 2002-09-17 Method for controlling car air conditioner according to insolation and fresh air temperature KR20040026000A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100774413B1 (en) * 2006-12-06 2007-11-08 현대자동차주식회사 Revision method of outdoor air temperature for car
KR100919073B1 (en) * 2007-12-17 2009-10-09 대성전기공업 주식회사 Automatic cooling system for vehicle
KR101221775B1 (en) * 2006-04-18 2013-01-11 한라공조주식회사 The Prevention Method of Cycling in Capacity Variable Compressor for Air Conditioner of Vehicle
KR20140114579A (en) * 2013-03-19 2014-09-29 한라비스테온공조 주식회사 System and Method for automatic control of car air conditioning system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101221775B1 (en) * 2006-04-18 2013-01-11 한라공조주식회사 The Prevention Method of Cycling in Capacity Variable Compressor for Air Conditioner of Vehicle
KR100774413B1 (en) * 2006-12-06 2007-11-08 현대자동차주식회사 Revision method of outdoor air temperature for car
KR100919073B1 (en) * 2007-12-17 2009-10-09 대성전기공업 주식회사 Automatic cooling system for vehicle
KR20140114579A (en) * 2013-03-19 2014-09-29 한라비스테온공조 주식회사 System and Method for automatic control of car air conditioning system

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