JP2012056562A - Controlling method for air conditioner - Google Patents

Controlling method for air conditioner Download PDF

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JP2012056562A
JP2012056562A JP2011168259A JP2011168259A JP2012056562A JP 2012056562 A JP2012056562 A JP 2012056562A JP 2011168259 A JP2011168259 A JP 2011168259A JP 2011168259 A JP2011168259 A JP 2011168259A JP 2012056562 A JP2012056562 A JP 2012056562A
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heater
temperature
air conditioner
discharge temperature
driving
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JP5824277B2 (en
Inventor
Jaewoong Kim
才 熊 金
Jung-Ho Kwon
正 浩 權
Taewoong Lim
太 雄 林
Jun Hyung Park
俊 炯 朴
Changwon Lee
昶 遠 李
Kilyong Jang
起 龍 張
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Hyundai Motor Co
Kia Corp
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Hyundai Motor Co
Kia Motors Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • 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
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • 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
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • 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
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2228—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters
    • B60H2001/2231—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters for proper or safe operation of the heater
    • 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
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2228—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters
    • B60H2001/224—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters automatic operation, e.g. control circuits or methods
    • 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
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2246—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor
    • B60H2001/225—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor related to an operational state of another HVAC device
    • 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
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2246—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor
    • B60H2001/2256—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor related to the operation of the heater itself, e.g. flame detection or overheating
    • 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
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2259—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant output of a control signal
    • B60H2001/2262—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant output of a control signal related to the period of on/off time of the heater

Abstract

PROBLEM TO BE SOLVED: To provide a controlling method for an air conditioner which prevents an electrical power consumption of the air conditioner caused by an operation of a heater.SOLUTION: A controlling method for an air conditioner comprises the step of confirming a driving condition for checking whether or not at least one of a desired discharging temperature of air discharged from an air conditioning system and a desired evaporator temperature of the evaporator that is a temperature of the evaporator fulfills a heater driving condition so as to keep an indoor temperature of a vehicle at the desired temperature; the step of controlling the heater driving in response to the temperature of the vehicle and its running condition so as to output the desired discharging temperature if the heater driving conditions is fulfilled; and the step of confirming a heater cut-off state for cutting off the driving operation of the heater either if the heater discharging temperature of air discharged from the heater is more than a reference temperature or if the heater discharging temperature is higher than the desired discharging temperature by a specified temperature when the heater operation is performed.

Description

本発明は空調装置の制御方法に係り、より詳しくは、ヒータカットオフ条件を満たしているかを確認し、これによってヒータをカットオフさせることにより、ヒータの駆動によって消耗する空調装置の電力消耗を防ぐことができる空調装置の制御方法に関する。   The present invention relates to a control method for an air conditioner, and more specifically, checks whether a heater cut-off condition is satisfied and thereby cuts off the heater, thereby preventing power consumption of the air-conditioner consumed by driving the heater. The present invention relates to a control method for an air conditioner that can be used.

環境負荷の少ないエネルギー開発に関心が集中している最近では、自動車分野でもバッテリをエネルギー源として用いた環境負荷の少ない電気自動車が注目を集めている。このような電気自動車は、車両の駆動のエネルギー源であるバッテリの蓄積密度に限界があるため、バッテリ充電後の総走行距離を延ばすための開発が求められている。
このような電気自動車は、別の電気ヒータとエアコンシステムによって車両内部の温度を制御するため、エンジン駆動車に比べて空調システムによって消費される電力が大きい。 Recently, attention has been focused on energy development with a low environmental load. In the automobile field, an electric vehicle with a low environmental load using a battery as an energy source has attracted attention. Since such an electric vehicle has a limit in the accumulation density of the battery which is an energy source for driving the vehicle, development for extending the total travel distance after charging the battery is required.
In such an electric vehicle, since the temperature inside the vehicle is controlled by another electric heater and an air conditioner system, the electric power consumed by the air conditioner system is larger than that of the engine-driven vehicle.

また、このような空調システムは、車両内部の温度調節のために、暑い夏にも電気ヒータとエアコンシステムを別に駆動させるための消費電力が求められる。
このような空調システムの消費電力によって走行距離が低下する問題が発生する。この空調システムによる電力消費を減少させるために、空調システムの駆動を制限する場合、走行距離を増加させることはできるが、車内の搭乗者に空調システム駆動の制約による不快感を与えることがある。 In addition, such an air conditioning system requires power consumption for separately driving the electric heater and the air conditioner system even in hot summer to adjust the temperature inside the vehicle.
There arises a problem that the travel distance is lowered by the power consumption of such an air conditioning system. In order to reduce power consumption by the air conditioning system, when the driving of the air conditioning system is restricted, the travel distance can be increased, but the passengers in the vehicle may feel uncomfortable due to the restriction of the air conditioning system driving.

特開平０７−１６４８５７号公報Japanese Patent Laid-Open No. 07-164857

本発明は、従来の問題点を克服するためになされたものであって、目標吐出温度、目標蒸発器温度、蒸発器温度、およびヒータ吐出温度などによってヒータカットオフ条件が満たされているかを確認し、これによってヒータをカットオフさせることにより、ヒータ駆動によって消耗する空調装置の電力消耗を防ぐことができ、また、エアコンが作動している場合にヒータの駆動を遅延させることにより、ヒータとエアコンが同時に作動する場合に発生する空調消耗動力を減らすことができる空調装置の制御方法を提供することを目的とする。   The present invention has been made to overcome the conventional problems and confirms that the heater cutoff condition is satisfied by the target discharge temperature, the target evaporator temperature, the evaporator temperature, the heater discharge temperature, and the like. Thus, by cutting off the heater, it is possible to prevent the power consumption of the air conditioner consumed by the heater driving, and by delaying the driving of the heater when the air conditioner is operating, An object of the present invention is to provide a control method for an air conditioner that can reduce the air conditioning consumption power that occurs when the two operate simultaneously.

上記目的を達成するために、本発明に係る空調装置の制御方法は、車両の室内温度を目標温度に維持するための、空調システムから吐出される空気の目標吐出温度と蒸発器の温度である目標蒸発器温度のうちの少なくとも１つがヒータ駆動条件を満たしているかを確認する駆動条件確認ステップ、前記ヒータ駆動条件が満たされていれば、目標吐出温度を出力するように車両の温度および走行条件に応じて前記ヒータの駆動を制御するヒータ駆動制御ステップ、および前記ヒータ駆動時に、ヒータから吐出される空気のヒータ吐出温度が基準温度以上であるか、前記ヒータ吐出温度が前記目標吐出温度よりも一定温度以上高ければ、前記ヒータの駆動をカットオフさせるヒータカットオフ確認ステップ、を含んでなされることを特徴とする。   In order to achieve the above object, a control method for an air conditioner according to the present invention includes a target discharge temperature of air discharged from an air conditioning system and a temperature of an evaporator for maintaining a vehicle interior temperature at a target temperature. A driving condition confirmation step for confirming whether at least one of the target evaporator temperatures satisfies a heater driving condition; if the heater driving condition is satisfied, the vehicle temperature and the traveling condition so as to output a target discharge temperature; A heater driving control step for controlling the driving of the heater in accordance with the heater, and the heater discharge temperature of the air discharged from the heater during the heater driving is equal to or higher than a reference temperature, or the heater discharge temperature is higher than the target discharge temperature If the temperature is higher than a certain temperature, a heater cutoff confirmation step for cutting off the driving of the heater is included.

前記ヒータカットオフステップ以後には、前記目標吐出温度と前記目標蒸発器温度のうちの少なくとも１つが前記ヒータ駆動条件を満たしているかを再度確認する駆動条件再確認ステップ、および前記ヒータ駆動条件を満たしていて前記目標吐出温度が第１温度以下であれば、前記ヒータ吐出温度が目標吐出温度よりも１５℃さらに低い場合に、ヒータカットオフを解除させるヒータカットオフ解除確認ステップ、をさらに含むことを特徴とする。   After the heater cut-off step, a drive condition reconfirmation step for reconfirming whether at least one of the target discharge temperature and the target evaporator temperature satisfies the heater drive condition, and satisfies the heater drive condition If the target discharge temperature is equal to or lower than the first temperature, the method further includes a heater cutoff release confirmation step for releasing the heater cutoff when the heater discharge temperature is 15 ° C. lower than the target discharge temperature. Features.

前記ヒータカットオフ解除ステップでは、前記ヒータ駆動条件を満たしていて前記目標吐出温度が第１温度を超過すれば、前記ヒータ吐出温度が第２温度よりも低い場合にヒータカットオフを解除させることを特徴とする。   In the heater cutoff release step, if the heater drive condition is satisfied and the target discharge temperature exceeds the first temperature, the heater cutoff is released when the heater discharge temperature is lower than the second temperature. Features.

前記駆動条件確認ステップと前記駆動条件再確認ステップでは、前記目標蒸発器温度が測定された現在蒸発器温度よりも２℃さらに高いか、前記目標吐出温度が前記目標蒸発器温度よりも４℃さらに高い場合に、ヒータ駆動条件を満たしていると判断することを特徴とする。   In the drive condition confirmation step and the drive condition reconfirmation step, the target evaporator temperature is 2 ° C. higher than the measured current evaporator temperature, or the target discharge temperature is 4 ° C. higher than the target evaporator temperature. When it is high, it is determined that the heater driving condition is satisfied.

前記駆動条件確認で駆動条件を満たしていれば、前記駆動条件確認ステップ以後にエアコンが駆動しているかを確認し、前記エアコンが駆動されていれば、一定時間が経過した後に前記ヒータ駆動制御ステップが実行されるように前記ヒータの駆動を一定時間停止状態に維持させるエアコン駆動確認および遅延ステップをさらに含むことを特徴とする。   If the drive condition is satisfied in the drive condition check, it is confirmed whether the air conditioner is driven after the drive condition check step, and if the air conditioner is driven, the heater drive control step after a predetermined time has passed. The air conditioner driving confirmation and delaying step for maintaining the heater driving in a stopped state for a predetermined time so as to be executed is further included.

前記エアコン駆動確認および遅延ステップでは、前記エアコンが駆動されていないと確認されれば、前記ヒータ駆動制御ステップを実行することを特徴とする。   In the air conditioner drive confirmation and delay step, if it is confirmed that the air conditioner is not driven, the heater drive control step is executed.

前記ヒータカットオフ確認ステップでは、前記ヒータ吐出温度が基準温度である８５℃以上であるか、前記ヒータ吐出温度が前記目標吐出温度よりも一定温度である２０℃以上高ければ、ヒータ駆動をカットオフさせることを特徴とする。   In the heater cut-off confirmation step, if the heater discharge temperature is 85 ° C. or higher, which is a reference temperature, or if the heater discharge temperature is higher than the target discharge temperature by 20 ° C., which is a constant temperature, the heater drive is cut off. It is characterized by making it.

本発明に係る空調装置の制御方法によれば、目標吐出温度、目標蒸発器温度、蒸発器温度、およびヒータ吐出温度などによってヒータカットオフ条件を満たしているかを確認し、これによってヒータをカットオフさせることにより、ヒータの駆動によって消耗する空調装置の電力消耗を防ぐことができる。
また、エアコンが作動している場合にヒータの駆動を遅延させることにより、ヒータとエアコンが同時に作動する場合に発生する空調消耗動力を減らすことができる。 According to the control method for an air conditioner according to the present invention, it is confirmed whether the heater cutoff condition is satisfied by the target discharge temperature, the target evaporator temperature, the evaporator temperature, the heater discharge temperature, and the like, and thereby the heater is cut off. By doing so, it is possible to prevent power consumption of the air conditioner that is consumed by driving the heater.
Further, by delaying the driving of the heater when the air conditioner is operating, it is possible to reduce the air conditioning consumption power that occurs when the heater and the air conditioner operate simultaneously.

本発明の実施形態に係る空調装置の制御方法を示すフローチャートである。It is a flowchart which shows the control method of the air conditioner which concerns on embodiment of this invention. 本発明の実施形態に係る空調装置の制御方法を示すフローチャートである。It is a flowchart which shows the control method of the air conditioner which concerns on embodiment of this invention. 図１、２の空調装置制御方法を実施するための空調システムの構成を示すブロック図である。It is a block diagram which shows the structure of the air-conditioning system for implementing the air-conditioner control method of FIGS.

以下、添付の図面を参照しながら本発明について詳細に説明する。
図１および図２に示す通り、車両の室内温度を運転手が要求する室内目標温度に維持するために、空調制御機１１０は、空調装置１００から吐出される空気の目標吐出温度（Ｔｏ）と、エアコン１３０の蒸発器の目標温度である目標蒸発器温度（Ｔｅｏ）を算出する。
空調制御機１１０は、算出された目標吐出温度（Ｔｏ）と目標蒸発器温度（Ｔｅｏ）のうちの少なくとも１つが空調装置１００のヒータを駆動させるための駆動条件を満たしているかを確認する駆動条件確認ステップ（Ｓ１）を実行する。 ここで、空調制御機１１０は、車両の各センサから印加される車両の状態および温度に応じて空調装置であるヒータ１２０およびエアコン１３０の各電場装置の駆動を制御する全自動温度調節装置（ＦＡＴＣ：Ｆｕｌｌ Ａｕｔｏｍａｔｉｃ Ｔｅｍｐｅｒａｔｕｒｅ Ｃｏｎｔｒｏｌ）のコントローラである。 Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
As shown in FIGS. 1 and 2, in order to maintain the indoor temperature of the vehicle at the indoor target temperature requested by the driver, the air conditioning controller 110 is configured to calculate a target discharge temperature (To) of air discharged from the air conditioner 100. Then, a target evaporator temperature (Teo) that is a target temperature of the evaporator of the air conditioner 130 is calculated.
The air conditioning controller 110 confirms whether or not at least one of the calculated target discharge temperature (To) and target evaporator temperature (Teo) satisfies a driving condition for driving the heater of the air conditioner 100. A confirmation step (S1) is executed. Here, the air conditioning controller 110 is a fully automatic temperature control device (FATC) that controls the driving of the electric field devices of the heater 120 and the air conditioner 130 that are air conditioners in accordance with the state and temperature of the vehicle applied from each sensor of the vehicle. : Full Automatic Temperature Control) controller.

このような駆動条件確認ステップ（Ｓ１）で、空調制御機１１０は、目標蒸発器温度（Ｔｅｏ）がエアコン１３０の蒸発器で測定された温度である蒸発器温度（Ｔｅ）よりも２℃さらに高いか、目標吐出温度（Ｔｏ）が目標蒸発器温度（Ｔｅｏ）よりも４℃さらに高い場合に、ヒータ駆動条件を満たしていると判断する。
駆動条件確認ステップ（Ｓ１）で、空調制御機１１０は、蒸発器温度（Ｔｅ）に２℃を加えた値よりも目標蒸発器温度（Ｔｅｏ）がさらに高いかを確認（Ｓ１１）し、蒸発器温度（Ｔｅ）に２℃を加えた値よりも目標蒸発器温度（Ｔｅｏ）がさらに高ければ、ヒータ駆動条件を満たしていると判断する。 In such a drive condition confirmation step (S1), the air conditioning controller 110 has the target evaporator temperature (Teo) 2 ° C. higher than the evaporator temperature (Te), which is the temperature measured by the evaporator of the air conditioner 130. Alternatively, when the target discharge temperature (To) is 4 ° C. higher than the target evaporator temperature (Teo), it is determined that the heater driving condition is satisfied.
In the drive condition confirmation step (S1), the air conditioning controller 110 confirms whether or not the target evaporator temperature (Teo) is higher than the value obtained by adding 2 ° C. to the evaporator temperature (Te) (S11). If the target evaporator temperature (Teo) is higher than the value obtained by adding 2 ° C. to the temperature (Te), it is determined that the heater driving condition is satisfied.

また、空調制御機１１０は、蒸発器温度（Ｔｅ）に２℃を加えた値と目標蒸発器温度（Ｔｅｏ）が同じであるかそれよりも高ければ、目標蒸発器温度（Ｔｅｏ）に４℃を加えた値よりも目標吐出温度（Ｔｏ）がさらに高いかを確認（Ｓ１２）する。また、空調制御機１１０は、目標蒸発器温度（Ｔｅｏ）に４℃を加えた値よりも目標吐出温度（Ｔｏ）がさらに高ければ、ヒータ駆動条件を満たしていると判断する。
駆動条件確認ステップ（Ｓ１）で、ヒータ駆動条件を満たしていないと判断されれば、ヒータ１２０をオフ状態に維持させる（Ｓ５）。
駆動条件確認ステップ（Ｓ１）で、ヒータ駆動条件を満たしていると判断されれば、エアコン１３０が駆動しているかを確認（Ｓ２１）し、エアコン１３０の駆動可否に応じてヒータ１２０の駆動を一定時間停止状態に維持させるエアコン駆動確認および遅延ステップ（Ｓ２）を実行する。 The air conditioning controller 110 also sets the target evaporator temperature (Teo) to 4 ° C. if the value obtained by adding 2 ° C. to the evaporator temperature (Te) is equal to or higher than the target evaporator temperature (Teo). It is confirmed whether the target discharge temperature (To) is higher than the value obtained by adding (S12). The air conditioning controller 110 determines that the heater driving condition is satisfied if the target discharge temperature (To) is higher than the value obtained by adding 4 ° C. to the target evaporator temperature (Teo).
If it is determined in the driving condition confirmation step (S1) that the heater driving condition is not satisfied, the heater 120 is maintained in the off state (S5).
If it is determined in the drive condition confirmation step (S1) that the heater drive condition is satisfied, it is confirmed whether the air conditioner 130 is driven (S21), and the heater 120 is driven according to whether the air conditioner 130 can be driven. The air conditioner drive confirmation and delay step (S2) to maintain the time stop state are executed.

エアコン１３０駆動可否確認（Ｓ２１）で、エアコン１３０が駆動していないと判断されれば、目標吐出温度（Ｔｏ）を出力するように車両の温度および走行条件に応じてヒータ１２０の駆動を制御するヒータ駆動制御ステップ（Ｓ３）を実行する。
エアコン１３０駆動可否確認（Ｓ２１）で、エアコン１３０が駆動していると判断されれば、空調制御機１１０はタイマー（Ｔ）を駆動させる。また、空調制御機１１０は、タイマー（Ｔ）の駆動時間が一定時間経過したかを確認（Ｓ２３）し、タイマー（Ｔ）が一定時間経過すれば、ヒータ１２０の駆動を制御するヒータ駆動制御ステップ（Ｓ３）を実行する。ここで、一定時間は、１分（１ｍｉｎ）に設定することができる。 If it is determined in the air conditioner 130 drive feasibility confirmation (S21) that the air conditioner 130 is not driven, the drive of the heater 120 is controlled in accordance with the vehicle temperature and the running conditions so as to output the target discharge temperature (To). A heater drive control step (S3) is executed.
If it is determined in the air conditioner 130 drive availability confirmation (S21) that the air conditioner 130 is being driven, the air conditioning controller 110 drives the timer (T). Further, the air conditioning controller 110 confirms whether or not the driving time of the timer (T) has elapsed (S23), and if the timer (T) has elapsed, the heater driving control step for controlling the driving of the heater 120. (S3) is executed. Here, the fixed time can be set to 1 minute (1 min).

エアコン駆動確認および遅延ステップ（Ｓ２）では、エアコン１３０が駆動していれば、エアコン１３０のコンプレッサの駆動ＲＰＭを低下させることにより、蒸発器の温度が低くなるように誘導される一定時間（１ｍｉｎ）にヒータ１２０が駆動しないように停止状態に維持させた後にヒータ１２０の駆動を制御するヒータ駆動制御ステップ（Ｓ３）を実行する。
このようなヒータ駆動制御ステップ（Ｓ３）では、空調制御機１１０が車両の内外気温度および車条件などに応じ、空調装置１００で車内に印加される空気の温度が目標吐出温度（Ｔｏ）となるようにＰＴＣヒータであるヒータ１２０の駆動を制御する。このとき、空調制御機１１０は、目標吐出温度（Ｔｏ）を空調装置１００の吐出温度によって制御するために、パルス変造方式（ＰＷＭ：Ｐｌｕｓｅ Ｗｉｄｔｈ Ｍｏｄｕｌａｔｉｏｎ）によってヒータ１２０に印加される駆動信号を制御し、ヒータ１２０から吐出される空気の温度を制御する。 In the air conditioner drive confirmation and delay step (S2), if the air conditioner 130 is driven, the compressor RPM of the air conditioner 130 is lowered to reduce the evaporator temperature for a certain time (1 min). The heater drive control step (S3) for controlling the drive of the heater 120 is performed after maintaining the heater 120 in a stopped state so that the heater 120 is not driven.
In such a heater drive control step (S3), the air temperature applied by the air conditioner 100 to the interior of the vehicle by the air conditioner 100 becomes the target discharge temperature (To) according to the inside / outside air temperature of the vehicle and the vehicle conditions. Thus, the drive of the heater 120 which is a PTC heater is controlled. At this time, the air-conditioning controller 110 controls a drive signal applied to the heater 120 by a pulse modification method (PWM: Plus Width Modulation) in order to control the target discharge temperature (To) by the discharge temperature of the air-conditioning apparatus 100. The temperature of the air discharged from the heater 120 is controlled.

ヒータが駆動している状態で、駆動するヒータ１２０によって加熱されて吐出されるヒータ吐出温度（Ｔｐ）が基準温度以上であるか、ヒータ吐出温度（Ｔｐ）が目標吐出温度（Ｔｏ）よりも一定温度以上高ければ、ヒータ１２０の駆動をカットオフさせるヒータカットオフ確認ステップ（Ｓ４）を実行する。
このようなヒータカットオフ確認ステップ（Ｓ４）で、空調制御機１１０は、ヒータ吐出温度（Ｔｐ）が基準温度である８５℃以上であるかを確認（Ｓ４１）し、ヒータ吐出温度（Ｔｐ）が基準温度以上であると判断されれば、ヒータ１２０の過熱を防ぐためにヒータをカットオフ（Ｓ４３）させることにより、ヒータをオフさせる（Ｓ５）。ここで、基準温度は、車両の空調システムの駆動特性に応じて相違するように設定することができる。 In the state where the heater is driven, the heater discharge temperature (Tp) heated and discharged by the driving heater 120 is equal to or higher than the reference temperature, or the heater discharge temperature (Tp) is more constant than the target discharge temperature (To). If the temperature is higher than the temperature, a heater cutoff confirmation step (S4) for cutting off the driving of the heater 120 is executed.
In such a heater cutoff confirmation step (S4), the air conditioning controller 110 confirms whether the heater discharge temperature (Tp) is equal to or higher than the reference temperature of 85 ° C. (S41), and the heater discharge temperature (Tp) is If it is determined that the temperature is equal to or higher than the reference temperature, the heater is turned off (S5) by cutting off the heater (S43) to prevent overheating of the heater 120 (S5). Here, the reference temperature can be set so as to differ according to the drive characteristics of the vehicle air conditioning system.

ヒータカットオフ確認ステップ（Ｓ４）で、空調制御機１１０は、ヒータ吐出温度（Ｔｐ）が基準温度未満であると判断されれば、ヒータ吐出温度（Ｔｐ）が目標吐出温度（Ｔｏ）よりも一定温度である２０℃以上であるかを確認（Ｓ４２）する。
ヒータ吐出温度（Ｔｐ）が目標吐出温度（Ｔｏ）に２０℃を加えた値以上であれば、ヒータ１２０の過熱によって発生する電力消耗を防ぐためにヒータをカットオフ（Ｓ４３）させることにより、ヒータをオフさせる（Ｓ５）。
このようなヒータカットオフ確認ステップ（Ｓ４）で、ヒータ吐出温度（Ｔｐ）が基準温度よりも低く、目標吐出温度（Ｔｏ）に一定温度を加えた値よりも低ければ、ヒータ１２０を駆動し、目標吐出温度（Ｔｏ）をヒータ吐出温度（Ｔｐ）によって制御するヒータ駆動制御ステップ（Ｓ３）を維持する。 In the heater cut-off confirmation step (S4), if the air conditioning controller 110 determines that the heater discharge temperature (Tp) is lower than the reference temperature, the heater discharge temperature (Tp) is more constant than the target discharge temperature (To). It is confirmed whether the temperature is 20 ° C. or higher (S42).
If the heater discharge temperature (Tp) is equal to or higher than the target discharge temperature (To) plus 20 ° C., the heater is cut off (S43) to prevent power consumption caused by overheating of the heater 120. Turn off (S5).
In such a heater cutoff confirmation step (S4), if the heater discharge temperature (Tp) is lower than the reference temperature and lower than the target discharge temperature (To) plus a certain temperature, the heater 120 is driven, The heater drive control step (S3) for controlling the target discharge temperature (To) by the heater discharge temperature (Tp) is maintained.

ヒータカットオフ確認ステップ（Ｓ４）で、ヒータ１２０がカットオフされ、オフ状態（Ｓ５）に維持されている状態で、ヒータ１２０の再駆動のためのカットオフ解除条件を確認するため、目標吐出温度（Ｔｏ）と目標蒸発器温度（Ｔｅｏ）のうちの少なくとも１つがヒータ駆動条件を満たしているかを再度確認する駆動条件再確認ステップ（Ｓ６）を実行する。
駆動条件再確認ステップ（Ｓ６）で、空調制御機１１０は、目標蒸発器温度（Ｔｅｏ）が蒸発器温度（Ｔｅ）よりも２℃さらに高いか、目標吐出温度（Ｔｏ）が目標蒸発器温度（Ｔｅｏ）よりも４℃さらに高い場合に、ヒータ再駆動条件を満たしていると判断する。 In the heater cut-off confirmation step (S4), the target discharge temperature is checked in order to confirm the cut-off release condition for re-driving the heater 120 while the heater 120 is cut off and maintained in the off state (S5). A drive condition reconfirmation step (S6) for reconfirming whether at least one of (To) and the target evaporator temperature (Teo) satisfies the heater drive condition is executed.
In the drive condition reconfirmation step (S6), the air conditioning controller 110 determines that the target evaporator temperature (Teo) is 2 ° C. higher than the evaporator temperature (Te) or the target discharge temperature (To) is the target evaporator temperature ( When the temperature is higher by 4 ° C. than Teo), it is determined that the heater re-driving condition is satisfied.

このような駆動条件再確認ステップ（Ｓ６）で、空調制御機１１０は、蒸発器温度（Ｔｅ）に２℃を加えた値よりも目標蒸発器温度（Ｔｅｏ）がさらに高いかを確認（Ｓ６１）する。また、蒸発器温度（Ｔｅ）に２℃を加えた値よりも目標蒸発器温度（Ｔｅｏ）がさらに高ければ、ヒータ再駆動条件を満たしていると判断し、ヒータ１２０のカットオフを解除させるための条件を満たしているかを確認するためにカットオフ解除確認ステップ（Ｓ７）を実行する。
空調制御機１１０は、蒸発器温度（Ｔｅ）に２℃を加えた値と目標蒸発器温度（Ｔｅｏ）が同じであるかそれよりも低ければ、目標蒸発器温度（Ｔｅｏ）に４℃を加えた値よりも目標吐出温度（Ｔｏ）がさらに高いかを確認（Ｓ６２）する。 空調制御機１１０は、目標蒸発器温度（Ｔｅｏ）に４℃を加えた値よりも目標吐出温度（Ｔｏ）がさらに高ければ、ヒータ駆動条件を満たしていると判断し、ヒータ１２０のカットオフを解除させるための条件を満たしているかを確認するためにカットオフ解除確認ステップ（Ｓ７）を実行する。 In such a drive condition reconfirmation step (S6), the air conditioning controller 110 confirms whether the target evaporator temperature (Teo) is higher than the value obtained by adding 2 ° C. to the evaporator temperature (Te) (S61). To do. Further, if the target evaporator temperature (Teo) is higher than the value obtained by adding 2 ° C. to the evaporator temperature (Te), it is determined that the heater re-driving condition is satisfied, and the cutoff of the heater 120 is released. In order to confirm whether or not the above condition is satisfied, a cutoff release confirmation step (S7) is executed.
The air conditioning controller 110 adds 4 ° C. to the target evaporator temperature (Teo) if the value obtained by adding 2 ° C. to the evaporator temperature (Te) is equal to or lower than the target evaporator temperature (Teo). It is confirmed whether the target discharge temperature (To) is higher than the measured value (S62). If the target discharge temperature (To) is higher than the value obtained by adding 4 ° C. to the target evaporator temperature (Teo), the air conditioning controller 110 determines that the heater driving condition is satisfied and cuts off the heater 120. A cut-off cancellation confirmation step (S7) is executed in order to confirm whether the conditions for cancellation are satisfied.

駆動条件再確認ステップ（Ｓ６）で、ヒータ駆動条件を満たしていないと判断されれば、ヒータ１２０をカットオフ状態であるオフ状態に維持させる（Ｓ５）。
カットオフ解除確認ステップ（Ｓ７）では、目標吐出温度（Ｔｏ）が第１温度以下であれば、ヒータ吐出温度（Ｔｐ）が目標吐出温度（Ｔｏ）よりも１５℃さらに低いかを確認（Ｓ７１）し、目標吐出温度（Ｔｏ）が第１温度以下であって目標吐出温度（Ｔｏ）に１５℃を加えた値よりもヒータ吐出温度（Ｔｐ）がさらに低ければ、ヒータカットオフ解除条件を満たしていると判断する。このとき、第１温度は、例えば６４℃に設定することができる。このような第１温度は、目標吐出温度（Ｔｏ）に対するチューニング値であって、空調装置の温度制御特性に応じて設定することができる。 If it is determined in the drive condition reconfirmation step (S6) that the heater drive condition is not satisfied, the heater 120 is maintained in the cut-off state, which is an off state (S5).
In the cutoff release confirmation step (S7), if the target discharge temperature (To) is equal to or lower than the first temperature, it is confirmed whether the heater discharge temperature (Tp) is lower by 15 ° C. than the target discharge temperature (To) (S71). If the target discharge temperature (To) is equal to or lower than the first temperature and the heater discharge temperature (Tp) is lower than the value obtained by adding 15 ° C. to the target discharge temperature (To), the heater cutoff release condition is satisfied. Judge that At this time, the first temperature can be set to 64 ° C., for example. Such a first temperature is a tuning value for the target discharge temperature (To) and can be set according to the temperature control characteristic of the air conditioner.

電気によって駆動するＰＴＣヒータであるヒータ１２０は、電源が印加されても温度がすぐに上昇しないため、ヒータ１２０で測定された現在のヒータ吐出温度（Ｔｐ）が目標吐出温度（Ｔｏ）に１５℃を加えた値よりも低ければ、ヒータ１２０を早期加熱させることにより、空調装置から吐出される吐出温度を目標吐出温度（Ｔｏ）に容易に制御するために、カットオフされたヒータ１２０のカットオフを解除（Ｓ７３）させる。
カットオフ解除確認ステップ（Ｓ７）では、目標吐出温度（Ｔｏ）が第１温度を超過すれば、目標吐出温度（Ｔｏ）が第２温度よりも低いかを確認（Ｓ７２）し、目標吐出温度（Ｔｏ）が第１温度を超過して目標吐出温度（Ｔｏ）が第２温度よりも低ければ、ヒータカットオフ解除条件を満たしていると判断する。このとき、第２温度は、例えば８４℃に設定することができる。 Since the temperature of the heater 120, which is a PTC heater driven by electricity, does not increase immediately even when power is applied, the current heater discharge temperature (Tp) measured by the heater 120 is 15 ° C. as the target discharge temperature (To). If the heater 120 is heated earlier, the heater 120 is cut off in order to easily control the discharge temperature discharged from the air conditioner to the target discharge temperature (To). Is released (S73).
In the cutoff release confirmation step (S7), if the target discharge temperature (To) exceeds the first temperature, it is confirmed whether the target discharge temperature (To) is lower than the second temperature (S72), and the target discharge temperature (To) If To) exceeds the first temperature and the target discharge temperature (To) is lower than the second temperature, it is determined that the heater cutoff release condition is satisfied. At this time, the second temperature can be set to 84 ° C., for example.

目標吐出温度（Ｔｏ）が第１温度を超過する場合には、第１温度以下であるときに比べてヒータ１２０がさらに速く駆動にするように、ヒータ吐出温度（Ｔｐ）が設定された第２温度以下である場合には、ヒータカットオフ解除条件を満たしていると判断し、カットオフされたヒータ１２０のカットオフを解除（Ｓ７３）させる。
このようにヒータ１２０のカットオフが解除されれば、車内に印加される空気の温度が目標吐出温度（Ｔｏ）となるようにヒータ１２０の駆動を制御するヒータ駆動制御ステップ（Ｓ３）を実行する。 When the target discharge temperature (To) exceeds the first temperature, the second heater discharge temperature (Tp) is set so that the heater 120 is driven faster than when the target discharge temperature (To) is equal to or lower than the first temperature. If the temperature is equal to or lower than the temperature, it is determined that the heater cutoff release condition is satisfied, and the cutoff of the heater 120 that has been cut off is released (S73).
When the cutoff of the heater 120 is released in this way, a heater drive control step (S3) for controlling the drive of the heater 120 so that the temperature of the air applied to the vehicle becomes the target discharge temperature (To) is executed. .

このような空調装置の制御方法は、目標吐出温度（Ｔｏ）、目標蒸発器温度（Ｔｅｏ）、蒸発器温度（Ｔｅ）、およびヒータ吐出温度（Ｔｐ）などによってヒータ１２０をカットオフさせるための条件を満たす場合にヒータ１２０をカットオフさせることにより、ヒータ１２０駆動によって消耗する空調装置の電力消耗を防ぐことができる。また、このような空調装置の制御方法は、エアコンが作動している場合にヒータの駆動を遅延させることにより、ヒータとエアコンが同時に作動する場合に発生する空調消耗動力を減らすことができる。   The control method of such an air conditioner is a condition for cutting off the heater 120 by the target discharge temperature (To), the target evaporator temperature (Teo), the evaporator temperature (Te), the heater discharge temperature (Tp), and the like. When the heater 120 is satisfied, the heater 120 is cut off, so that the power consumption of the air conditioner that is consumed by driving the heater 120 can be prevented. Further, such a control method of the air conditioner can reduce the air-conditioning consumption power generated when the heater and the air conditioner operate simultaneously by delaying the driving of the heater when the air conditioner is operating.

以上、本発明に関する好ましい実施形態を説明したが、本発明は前記実施形態に限定されず、本発明の属する技術範囲を逸脱しない範囲での全ての変更が含まれる。   As mentioned above, although preferred embodiment regarding this invention was described, this invention is not limited to the said embodiment, All the changes in the range which does not deviate from the technical scope to which this invention belongs are included.

１００ ・・・空調装置
１１０ ・・・空調制御機
１２０ ・・・ヒータ
１３０ ・・・エアコン DESCRIPTION OF SYMBOLS 100 ... Air conditioner 110 ... Air conditioning controller 120 ... Heater 130 ... Air conditioner

Claims (7)

車両の室内温度を目標温度に維持するための、空調システムから吐出される空気の目標吐出温度と蒸発器の温度である目標蒸発器温度のうちの少なくとも１つがヒータ駆動条件を満たしているかを確認する駆動条件確認ステップ、
前記ヒータ駆動条件が満たされていれば、目標吐出温度を出力するように車両の温度および走行条件に応じて前記ヒータの駆動を制御するヒータ駆動制御ステップ、および
前記ヒータ駆動時に、ヒータから吐出される空気のヒータ吐出温度が基準温度以上であるか、前記ヒータ吐出温度が前記目標吐出温度よりも一定温度以上高ければ、前記ヒータの駆動をカットオフさせるヒータカットオフ確認ステップ、
を含んでなされることを特徴とする空調装置の制御方法。 Confirm that at least one of the target discharge temperature of air discharged from the air-conditioning system and the target evaporator temperature, which is the temperature of the evaporator, satisfies the heater drive condition to maintain the vehicle interior temperature at the target temperature Driving condition confirmation step,
If the heater driving condition is satisfied, a heater driving control step for controlling the driving of the heater according to a vehicle temperature and a traveling condition so as to output a target discharge temperature, and the heater is discharged during the heater driving. A heater cut-off confirmation step for cutting off the driving of the heater if the heater discharge temperature of the air to be heated is equal to or higher than a reference temperature or the heater discharge temperature is higher than the target discharge temperature by a certain temperature;
A control method for an air conditioner characterized by comprising: 前記ヒータカットオフステップ以後には、
前記目標吐出温度と前記目標蒸発器温度のうちの少なくとも１つが前記ヒータ駆動条件を満たしているかを再度確認する駆動条件再確認ステップ、および
前記ヒータ駆動条件を満たしていて前記目標吐出温度が第１温度以下であれば、前記ヒータ吐出温度が目標吐出温度よりも１５℃さらに低い場合に、ヒータカットオフを解除させるヒータカットオフ解除確認ステップ、
をさらに含むことを特徴とする請求項１に記載の空調装置の制御方法。 After the heater cut-off step,
A drive condition reconfirmation step for reconfirming whether at least one of the target discharge temperature and the target evaporator temperature satisfies the heater drive condition; and the target discharge temperature satisfies the heater drive condition and the first target discharge temperature is the first A heater cutoff release confirmation step for releasing the heater cutoff when the heater discharge temperature is lower by 15 ° C. than the target discharge temperature if the temperature is equal to or lower than the temperature;
The method for controlling an air conditioner according to claim 1, further comprising: 前記ヒータカットオフ解除ステップでは、
前記ヒータ駆動条件を満たしていて前記目標吐出温度が第１温度を超過すれば、前記ヒータ吐出温度が第２温度よりも低い場合にヒータカットオフを解除させることを特徴とする請求項２に記載の空調装置の制御方法。 In the heater cutoff release step,
The heater cutoff is canceled when the heater discharge temperature is lower than the second temperature if the heater drive condition is satisfied and the target discharge temperature exceeds the first temperature. Control method for air conditioners. 前記駆動条件確認ステップと前記駆動条件再確認ステップでは、
前記目標蒸発器温度が測定された現在蒸発器温度よりも２℃さらに高いか、前記目標吐出温度が前記目標蒸発器温度よりも４℃さらに高い場合に、ヒータ駆動条件を満たしていると判断することを特徴とする請求項２に記載の空調装置の制御方法。 In the driving condition confirmation step and the driving condition reconfirmation step,
When the target evaporator temperature is 2 ° C. higher than the measured current evaporator temperature or the target discharge temperature is 4 ° C. higher than the target evaporator temperature, it is determined that the heater driving condition is satisfied. The method for controlling an air conditioner according to claim 2. 前記駆動条件確認で駆動条件を満たしていれば、
前記駆動条件確認ステップ以後にエアコンが駆動しているかを確認し、前記エアコンが駆動されていれば、一定時間が経過した後に前記ヒータ駆動制御ステップが実行されるように前記ヒータの駆動を一定時間停止状態に維持させるエアコン駆動確認および遅延ステップをさらに含むことを特徴とする請求項１に記載の空調装置の制御方法。 If the drive condition is satisfied in the drive condition confirmation,
It is confirmed whether the air conditioner is driven after the driving condition confirmation step. If the air conditioner is driven, the heater driving is performed for a certain time so that the heater driving control step is executed after a certain time has elapsed. The method of controlling an air conditioner according to claim 1, further comprising an air conditioner drive confirmation and delay step for maintaining the air conditioner in a stopped state. 前記エアコン駆動確認および遅延ステップでは、
前記エアコンが駆動されていないと確認されれば、前記ヒータ駆動制御ステップを実行することを特徴とする請求項５に記載の空調装置の制御方法。 In the air conditioner drive confirmation and delay step,
6. The method of controlling an air conditioner according to claim 5, wherein if it is confirmed that the air conditioner is not driven, the heater drive control step is executed. 前記ヒータカットオフ確認ステップでは、
前記ヒータ吐出温度が基準温度である８５℃以上であるか、前記ヒータ吐出温度が前記目標吐出温度よりも一定温度である２０℃以上高ければ、ヒータ駆動をカットオフさせることを特徴とする請求項１に記載の空調装置の制御方法。 In the heater cutoff confirmation step,
The heater drive is cut off when the heater discharge temperature is 85 ° C. or higher, which is a reference temperature, or when the heater discharge temperature is higher than the target discharge temperature by 20 ° C., which is a constant temperature. The control method of the air conditioning apparatus of 1.
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