JP4033004B2 - Switching method for indoor air conditioner of automotive air conditioner - Google Patents
Switching method for indoor air conditioner of automotive air conditioner Download PDFInfo
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- JP4033004B2 JP4033004B2 JP2003063776A JP2003063776A JP4033004B2 JP 4033004 B2 JP4033004 B2 JP 4033004B2 JP 2003063776 A JP2003063776 A JP 2003063776A JP 2003063776 A JP2003063776 A JP 2003063776A JP 4033004 B2 JP4033004 B2 JP 4033004B2
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- window glass
- determination parameter
- indoor
- air conditioner
- fogging
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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
- B60H1/00642—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
- B60H1/00785—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 by the detection of humidity or frost
-
- 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
- B60H1/00835—Damper doors, e.g. position control
- B60H1/00849—Damper doors, e.g. position control for selectively commanding the induction of outside or inside 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
- B60H1/32—Cooling devices
- B60H2001/3236—Cooling devices information from a variable is obtained
- B60H2001/3244—Cooling devices information from a variable is obtained related to humidity
- B60H2001/3245—Cooling devices information from a variable is obtained related to humidity of air
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Description
【０００１】
【発明の属する技術分野】
本発明は自動車用空調装置の室内循環モードへの切り替え方法に関し、特に有害ガスの車室内への流入を防ぎ、かつ窓ガラスの曇りを発生させないようにした室内循環モードへの切り替え方法に関する。
【０００２】
【従来の技術】
従来の自動車用空調装置の室内循環モードへの切り替え方法においては、例えば前方に大型のディーゼル車輌やバス等が走行している際に、有害な排気ガスが車内に流入するのを防ぐために、自動的に空調装置の吸気モードを内気循環モード(以下ＲＥＣという）に切り替えるようにしていた（例えば、特公昭４７−３６９７４号公報）。
【０００３】
しかし、内気循環の時間が長くなると、乗員の呼気等により湿度が上昇し、窓曇りの発生が懸念される。そこで従来技術としては内気切り替えのタイミングを測定するためのタイマーを設置し、一定時間が経過すると自動的に外気導入に切り替わる等の方式がある。
【０００４】
【特許文献１】
特開２００１−２７８６９８号公報
【特許文献２】
特開昭６０−２４８４２２号公報
【特許文献３】
特開昭６０−２４８４２３号公報
【特許文献４】
特開昭６３−３０６９５２号公報
【０００５】
【発明が解決しようとする課題】
しかし、上記従来技術においては、一定時間が経過すると強制的に外気導入に切り替わるので、まだ前方に多量の排気ガスを排出する車両がいる場合には、やむなく有害なガスを車室内に導入することになるという課題がある。
【０００６】
本発明の目的は、上記従来技術に鑑みて、有害ガスの車室内への流入を防ぎ、かつ窓の曇りを発生させない、自動車用空調装置の室内循環モードへの切り替え方法、その方法のプログラムを記録したコンピュータ読み取り可能な記録媒体、及びその方法のプログラムを提供することを目的とする。
【０００７】
【課題を解決するための手段】
上記課題を解決するために、本発明により、請求項１、５又は９に記載の手段を採用することができる。
【０００８】
この手段によると、廃棄ガスの検出により自動車の室内空気を室内循環すべきか外気導入すべきかの判定時に、窓ガラスの相対湿度が第１の曇り判定パラメータ以上の場合は、外気モードで且つ防曇運転モードとし、窓ガラスの相対湿度が第１の曇り判定パラメータより小で且つ第２判定パラメータ以上のときは室内循環モードで且つ防曇運転を行い、窓ガラスの相対湿度が第２の曇り判定パラメータより小のときは室内循環モードで且つ通常運転状態にする。
これにより、室内循環モードと防曇運転と通常運転との間で２つの曇り判定パラメータを用いて適切に切り替えられるので、一定時間毎に外気導入に切り替える従来方式よりも内気循環の時間を長く取ることが出来る。
【０００９】
内気循環の時間が長くなるので、吸入外気が汚れている場合に外気導入せずに車室内をクリーンに保つことが出来る。
【００１０】
また、内気循環の時間が長くなるので、外気が乾燥している場合に車室内を快適湿度に保つことが出来る。
【００１１】
さらに、内気循環を多用するので暖房効率がよい。
【００１２】
曇り判定パラメータの一例としては、窓ガラスの室内側面の相対湿度がある。
【００１３】
曇り判定パラメータの他の一例としては、窓ガラスの室内側面の露点温度と室内の露点温度との差がある。
【００１４】
曇り判定パラメータのさらに他の一例としては、窓ガラスの室内側が結露するときの窓ガラスの室内側の状態を検出する結露センサの出力がある。
【００１５】
また、本発明の他の態様により、自動車用空調装置を外気導入モードから自動車の室内空気を室内で循環させる室内循環モードに切り替える際に、外気導入モードにおいて室内の排気ガス成分を検出し、その検出結果に基づいて自動車の室内空気を室内循環すべきか外気導入によるべきかを判定し、室内循環にすべきと判定したときは、窓ガラスの相対湿度を検出し、検出した相対湿度が自動車の窓ガラスの第１の曇り判定パラメータより少ない場合に空調装置を室内循環モードに切り替え、第１の曇り判定パラメータ以上の場合に空調装置を外気導入モードに維持し、室内循環モードの期間中に窓ガラスの室内側表面の相対湿度を検出し、検出した相対湿度が第２の曇り判定パラメータより少ない場合に空調装置を通常運転状態にし、検出した相対湿度が第２の曇り判定パラメータ以上の場合に空調装置を防曇運転状態にする、というステップを備えることを特徴とする自動車用空調装置の室内循環モードへの切り替え方法も提供される。
【００１６】
また、上記方法をコンピュータにより、実行させるためのプログラムを記録したコンピュータ読み取り可能な記録媒体も提供される。
【００１７】
さらに、上記手順を実行するプログラムも提供される。
【００１８】
【発明の実施の形態】
図１は本発明の一実施の形態による自動車用空調装置の室内循環モードへの切り替え方法を説明するフローチャートである。
【００１９】
同図において、ステップＡにて吸入外気の成分を排ガスセンサにより検出する。
【００２０】
次いでステップＢにて排ガスセンサの検出値に応じて、外気導入モード（ＦＲＳ）にすべきか内気循環モード（ＲＥＣ）にすべきかを判定する。ＦＲＳで良い場合（即ち、吸入外気がきれいな場合）はＦＲＳで通常のエアコン運転を行い、一定時間毎に判定を続ける。
【００２１】
ステップＢの判定によりＲＥＣにすべきと判定された場合（即ち、吸入外気が汚い場合）は、直ちにＲＥＣに切り替えずにまず自動車の室内湿度が窓ガラスの曇り判定パラメータより少ない場合にのみ、室内循環モードに切り替える。このために、ステップＣにて、窓ガラスの室内面側の相対湿度(以下ＲＨＷという）を検出する。ここで相対湿度とは、ガラス表面の温度における室内の湿度をいう。ＲＨＷを検出するのは、ガラスが曇りそうな状態の時にＲＥＣに切り替わり、急激にガラスが曇ることを防ぐためである。
【００２２】
上記「ＲＨＷの検出」には３通りの方法が考えられるが、下記以外の方法でＲＨＷを検出してもよい。
（１）ガラス面表面に温湿センサを貼り付けて、ガラス温度及びＲＨＷを直接検出する。
（２）車室内の温度／湿度、及びガラス温度を測定し、ＲＨＷを推定値として算出する。
（３）車室内温度・外気温度・日射量・車速等からガラス温度を推定する。その推定ガラス温度と、測定した車室内湿度から湿り空気線図よりＲＨＷを推定する。
【００２３】
次にステップＤでは、ステップＣで得たＲＨＷに基づいて曇り危険度を判定する。理論的にＲＨＷ＝１００％になると曇りが始まるので、ここではまず、ＲＨＷが９８％以上かＲＨＷが９８％未満かを判定する。
【００２４】
ステップＤでの判定でＲＨＷ≧９８％の場合は直ぐにでも曇りが発生する恐れがあると判断してＲＥＣ(内気循環）への切り替えは行わない。この場合は、ステップＥで、ステップＤでの判定に従って、内気循環をしている場合には外気導入モードに切り替え、外気導入モードの場合にはそのまま外気導入モードを維持する。そして、必要に応じてステップＨにて防曇運転を行う。防曇運転とは、空調設備（Ａ／Ｃ）のオン、空気吹き出し口を窓ガラス下部にすること、吹き出し空気の温度を上げること、電熱ガラスをオンにすること等をいう。
【００２５】
ステップＤでの判定でＲＨＷ＜９８％の場合は直ぐに曇りの発生はないと判断してステップＦにて有害ガスの流入を防ぐためにＲＥＣ（内気循環）に切り替える。
【００２６】
次いでステップＧにて、再び曇り危険度の判定を行う。ステップＤでの判定の結果がＲＨＷ＜９８％なので、ここではＲＨＷが８５％以上か８５％未満かを判定する。
【００２７】
８５％≦ＲＨＷ＜９８％の場合は曇り可能性があるとして、ステップIにて防曇運転を行う。
【００２８】
ＲＨＷ＜８５％の場合は曇りの心配は無いと判断して通常通りのエアコン運転を行う。通常通りのエアコン動作とは、防曇運転の無い内気循環モードのことである。
【００２９】
以上の動作を一定時間毎に繰り返して行う。
【００３０】
上記の実施例による制御は一例であり、ステップＣ、Ｄ及びＧでの判定で用いる閾値、及びステップＨ、Ｉの防曇運転の内容等は任意に設定すればよい。
【００３１】
上記の方法に含まれる手順をコンピュータに実行させるためのプログラム、及びコンピュータに上記手順を実行させるためのプログラムを記録したコンピュータ読み取り可能な記録媒体も本発明の範囲に含まれる。
【図面の簡単な説明】
【図１】本発明の一実施の形態による自動車用空調装置の室内循環モードへの切り替え方法を説明するフローチャートである。
【符号の説明】
ＦＲＳ…外気導入モード
ＲＥＣ…内気循環モード
ＲＨＷ…窓ガラスの室内面側の相対湿度[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for switching to an indoor circulation mode of an automotive air conditioner, and more particularly to a method for switching to an indoor circulation mode that prevents harmful gas from flowing into the passenger compartment and prevents fogging of the window glass.
[0002]
[Prior art]
In a conventional method for switching to an indoor circulation mode of an air conditioner for automobiles, for example, when a large diesel vehicle or a bus is traveling forward, an automatic exhaust gas is prevented in order to prevent the exhaust gas from flowing into the vehicle. Therefore, the intake mode of the air conditioner is switched to the inside air circulation mode (hereinafter referred to as REC) (for example, Japanese Patent Publication No. 47-36974).
[0003]
However, if the time of the inside air circulation becomes long, the humidity increases due to the exhalation of the occupant, and there is a concern about the occurrence of window fogging. Therefore, as a conventional technique, there is a system in which a timer for measuring the timing of switching the inside air is installed, and the system automatically switches to the introduction of outside air when a certain time elapses.
[0004]
[Patent Document 1]
JP 2001-278698 A [Patent Document 2]
JP-A-60-248422 [Patent Document 3]
JP-A-60-248423 [Patent Document 4]
Japanese Patent Laid-Open No. 63-306952
[Problems to be solved by the invention]
However, in the above prior art, after a certain period of time has passed, it is forced to switch to introduction of outside air, so if there is a vehicle that exhausts a large amount of exhaust gas ahead, it is unavoidable to introduce harmful gas into the passenger compartment. There is a problem of becoming.
[0006]
In view of the above prior art, an object of the present invention is to provide a method for switching an automotive air conditioner to an indoor circulation mode, which prevents inflow of harmful gas into the vehicle interior and does not cause fogging of the window, and a program for the method. It is an object of the present invention to provide a recorded computer-readable recording medium and a program for the method.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the means described in
[0008]
According to this means, if the relative humidity of the window glass is equal to or higher than the first fogging determination parameter when determining whether the indoor air of the automobile should be circulated indoors or introduced by the detection of waste gas, it is in the outdoor air mode and is antifogging. When the operation mode is set and the relative humidity of the window glass is smaller than the first fogging determination parameter and greater than or equal to the second determination parameter, the indoor circulation mode and the antifogging operation are performed, and the relative humidity of the windowglass is determined to be the second fogging determination. When it is smaller than the parameter, the indoor circulation mode is set and the normal operation state is set.
As a result, it is possible to appropriately switch between the indoor circulation mode, the anti-fogging operation, and the normal operation by using two fogging determination parameters, so that it takes longer time for the inside air circulation than the conventional method of switching to the introduction of outside air at regular intervals. I can do it.
[0009]
Since the inside air circulation time becomes longer, the interior of the vehicle can be kept clean without introducing outside air when the outside air is dirty.
[0010]
Further, since the time for the inside air circulation becomes longer, the interior of the vehicle can be kept at a comfortable humidity when the outside air is dry.
[0011]
Furthermore, since the inside air circulation is frequently used, the heating efficiency is good.
[0012]
An example of the fogging determination parameter is the relative humidity on the indoor side surface of the window glass.
[0013]
Another example of the cloudiness determination parameter is a difference between the dew point temperature on the indoor side surface of the window glass and the dew point temperature in the room.
[0014]
As another example of the fogging determination parameter, there is an output of a dew condensation sensor that detects a state of the indoor side of the window glass when the indoor side of the window glass is condensed.
[0015]
Further, according to another aspect of the present invention, when the automotive air conditioner is switched from the outdoor air introduction mode to the indoor circulation mode for circulating indoor air of the automobile indoors, the indoor exhaust gas component is detected in the outdoor air introduction mode, Based on the detection result, it is determined whether the indoor air of the automobile should be circulated indoors or by introduction of outside air. When it is determined that the indoor air should be circulated, the relative humidity of the window glass is detected, and the detected relative humidity is The air conditioner is switched to the indoor circulation mode when the window glass is less than the first fogging determination parameter, and the air conditioning apparatus is maintained in the outside air introduction mode when the window fogging parameter is equal to or higher than the first fogging determination parameter. Detects the relative humidity on the indoor surface of the glass, and if the detected relative humidity is less than the second fogging determination parameter, sets the air conditioner to the normal operating state and detects it Relative humidity is also provided a method of switching the chamber circulation mode of a motor-vehicle air-conditioning system, characterized in that it comprises the steps of, for the defogging operation state of the air conditioner in the case of more than the second fogging determination parameter.
[0016]
There is also provided a computer-readable recording medium recording a program for causing the computer to execute the above method.
[0017]
Furthermore, a program for executing the above procedure is also provided.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a flowchart illustrating a method for switching to an indoor circulation mode of an automotive air conditioner according to an embodiment of the present invention.
[0019]
In the figure, in step A, the component of the intake outside air is detected by the exhaust gas sensor.
[0020]
Next, in step B, it is determined whether to set the outside air introduction mode (FRS) or the inside air circulation mode (REC) according to the detection value of the exhaust gas sensor. When the FRS is acceptable (that is, when the intake outside air is clean), the normal air-conditioner operation is performed with the FRS, and the determination is continued at regular intervals.
[0021]
If it is determined in step B that the REC should be set (i.e., if the intake outside air is dirty), the vehicle is not switched to REC immediately, but only when the vehicle interior humidity is lower than the fogging determination parameter of the window glass. Switch to circulation mode. For this purpose, in step C, the relative humidity (hereinafter referred to as RHW) on the indoor surface side of the window glass is detected. Here, the relative humidity means indoor humidity at the temperature of the glass surface. The reason for detecting the RHW is to switch to REC when the glass is likely to be fogged and to prevent the glass from being suddenly fogged.
[0022]
Three methods are conceivable for the “detection of RHW”, but RHW may be detected by a method other than the following.
(1) A temperature / humidity sensor is attached to the glass surface, and the glass temperature and RHW are directly detected.
(2) The temperature / humidity in the passenger compartment and the glass temperature are measured, and RHW is calculated as an estimated value.
(3) The glass temperature is estimated from the vehicle interior temperature, the outside air temperature, the amount of solar radiation, the vehicle speed, and the like. RHW is estimated from the estimated glass temperature and the measured humidity in the passenger compartment from a wet air diagram.
[0023]
Next, in step D, the cloudiness risk is determined based on the RHW obtained in step C. Theoretically, clouding starts when RHW = 100%. Therefore, first, it is determined whether RHW is 98% or more or RHW is less than 98%.
[0024]
If it is determined in step D that RHW ≧ 98%, it is determined that clouding may occur immediately, and switching to REC (inside air circulation) is not performed. In this case, in step E, according to the determination in step D, when the inside air is circulated, the mode is switched to the outside air introduction mode, and in the outside air introduction mode, the outside air introduction mode is maintained as it is. Then, an anti-fogging operation is performed at step H as necessary. The anti-fogging operation means turning on the air conditioner (A / C), setting the air outlet to the lower part of the window glass, raising the temperature of the outlet air, turning on the electric glass, and the like.
[0025]
If it is determined in step D that RHW <98%, it is determined that there is no cloudiness immediately, and in step F, switching to REC (inside air circulation) is performed to prevent inflow of harmful gases.
[0026]
Next, in step G, the degree of cloudiness is determined again. Since the determination result in step D is RHW <98%, it is determined here whether RHW is 85% or more or less than 85%.
[0027]
In the case of 85% ≦ RHW <98%, the anti-fogging operation is performed in Step I, assuming that there is a possibility of fogging.
[0028]
When RHW <85%, it is determined that there is no concern about cloudiness, and the air conditioner is operated as usual. The normal air conditioner operation is an inside air circulation mode without anti-fogging operation.
[0029]
The above operation is repeated at regular intervals.
[0030]
The control according to the above embodiment is merely an example, and the threshold value used in the determinations in steps C, D, and G, the details of the anti-fogging operation in steps H and I, and the like may be set arbitrarily.
[0031]
A program for causing a computer to execute the procedure included in the above method and a computer-readable recording medium recording the program for causing the computer to execute the procedure are also included in the scope of the present invention.
[Brief description of the drawings]
FIG. 1 is a flowchart illustrating a method for switching to an indoor circulation mode of an automotive air conditioner according to an embodiment of the present invention.
[Explanation of symbols]
FRS ... Outside air introduction mode REC ... Inside air circulation mode RHW ... Relative humidity on the indoor side of the window glass
Claims (12)
外気導入モードにおいて室内の排気ガス成分を検出し、
その検出結果に基づいて自動車の室内空気を室内循環すべきか外気導入によるべきかを判定し、
室内循環にすべきと判定したときは、窓ガラスの相対湿度を検出し、
検出した相対湿度が前記自動車の窓ガラスの第１の曇り判定パラメータ以上の場合に前記空調装置を外気導入モードに維持し且つ前記窓ガラスの防曇運転を行い、前記第１の曇り判定パラメータより小さく且つ前記第１の曇り判定パラメータより小さい第２の曇り判定パラメータ以上の場合に前記空調装置を室内循環モードに切り替え且つ前記窓ガラスの防曇運転を行い、
検出した相対湿度が前記自動車の窓ガラスの前記第１の曇り判定パラメータより小さく且つ前記第２の曇り判定パラメータより小さい場合に前記空調装置を室内循環モードで且つ前記空調装置を通常運転状態にする、
というステップを備えることを特徴とする、自動車用空調装置の室内循環モードへの切り替え方法。When switching the air conditioner for an automobile from the outside air introduction mode to the indoor circulation mode for circulating the indoor air of the automobile indoors,
Detect indoor exhaust gas components in the outside air introduction mode,
Based on the detection result, determine whether the indoor air of the car should be circulated indoors or by introducing outside air,
When it is determined that indoor circulation should be used, the relative humidity of the window glass is detected.
When the detected relative humidity is equal to or higher than the first fog determination parameter of the window glass of the automobile, the air conditioner is maintained in the outside air introduction mode and the window glass is anti-fogged, and from the first fog determination parameter. When the air conditioner is smaller and more than a second fog determination parameter smaller than the first fog determination parameter, the air conditioner is switched to an indoor circulation mode and the window glass is anti-fogged.
When the detected relative humidity is smaller than the first fogging determination parameter of the automobile window glass and smaller than the second fogging determination parameter, the air conditioner is set to the indoor circulation mode and the air conditioner is set to a normal operation state. ,
The method of switching to the indoor circulation mode of the automotive air conditioner, characterized by comprising the steps of :
前記コンピュータに、
外気導入モードにおいて室内の排気ガス成分を検出する手順、
その検出結果に基づいて自動車の室内空気を室内循環すべきか外気導入によるべきかを判定する手順、
室内循環にすべきと判定したときは、窓ガラスの相対湿度を検出する手順、
検出した相対湿度が前記自動車の窓ガラスの第１の曇り判定パラメータ以上の場合に前記空調装置を外気導入モードに維持し且つ前記窓ガラスの防曇運転を行い、前記第１の曇り判定パラメータより小さく且つ前記第１の曇り判定パラメータより小さい第２の曇り判定パラメータ以上の場合に前記空調装置を室内循環モードに切り替え且つ前記窓ガラスの防曇運転を行う手順、及び
検出した相対湿度が前記自動車の窓ガラスの前記第１の曇り判定パラメータより小さく且つ前記第２の曇り判定パラメータより小さい場合に前記空調装置を室内循環モードで且つ前記空調装置を通常運転状態にする手順、
を実行させるためのプログラムを記録したコンピュータ読み取り可能な記録媒体。When switching the air conditioner for an automobile from the outside air introduction mode to the indoor circulation mode for circulating the indoor air of the automobile indoors by a computer,
In the computer,
Procedure for detecting exhaust gas components in the room in the outside air introduction mode,
A procedure for determining whether indoor air of an automobile should be circulated indoors or by introduction of outside air based on the detection result,
When it is determined that indoor circulation should be used, the procedure to detect the relative humidity of the window glass,
When the detected relative humidity is equal to or higher than the first fog determination parameter of the window glass of the automobile, the air conditioner is maintained in the outside air introduction mode and the window glass is anti-fogged, and from the first fog determination parameter. A procedure for switching the air conditioner to an indoor circulation mode and performing an anti-fogging operation of the window glass when it is smaller and equal to or greater than a second fog determination parameter smaller than the first fog determination parameter; and
When the detected relative humidity is smaller than the first fogging determination parameter of the automobile window glass and smaller than the second fogging determination parameter, the air conditioner is set to the indoor circulation mode and the air conditioner is set to a normal operation state. procedure,
The computer-readable recording medium which recorded the program for performing this.
前記コンピュータに、
外気導入モードにおいて室内の排気ガス成分を検出する手順、
その検出結果に基づいて自動車の室内空気を室内循環すべきか外気導入によるべきかを判定する手順、
室内循環にすべきと判定したときは、窓ガラスの相対湿度を検出する手順、
検出した相対湿度が前記自動車の窓ガラスの第１の曇り判定パラメータ以上の場合に前記空調装置を外気導入モードに維持し且つ前記窓ガラスの防曇運転を行い、前記第１の曇り判定パラメータより小さく且つ前記第１の曇り判定パラメータより小さい第２の曇り判定パラメータ以上の場合に前記空調装置を室内循環モードに切り替え且つ前記窓ガラスの防曇運転を行う手順、及び
検出した相対湿度が前記自動車の窓ガラスの前記第１の曇り判定パラメータより小さく且つ前記第２の曇り判定パラメータより小さい場合に前記空調装置を室内循環モードで且つ前記空調装置を通常運転状態にする手順、
を実行させるためのプログラム。When switching the air conditioner for an automobile from the outside air introduction mode to the indoor circulation mode for circulating the indoor air of the automobile indoors by a computer,
In the computer,
Procedure for detecting exhaust gas components in the room in the outside air introduction mode,
A procedure for determining whether indoor air of an automobile should be circulated indoors or by introduction of outside air based on the detection result,
When it is determined that indoor circulation should be used, the procedure to detect the relative humidity of the window glass,
When the detected relative humidity is equal to or higher than the first fog determination parameter of the window glass of the automobile, the air conditioner is maintained in the outside air introduction mode and the window glass is anti-fogged, and from the first fog determination parameter. A procedure for switching the air conditioner to an indoor circulation mode and performing an anti-fogging operation of the window glass when it is smaller and equal to or greater than a second fog determination parameter smaller than the first fog determination parameter; and
When the detected relative humidity is smaller than the first fogging determination parameter of the automobile window glass and smaller than the second fogging determination parameter, the air conditioner is set to the indoor circulation mode and the air conditioner is set to a normal operation state. procedure,
A program for running
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003063776A JP4033004B2 (en) | 2003-03-10 | 2003-03-10 | Switching method for indoor air conditioner of automotive air conditioner |
| DE200410010871 DE102004010871A1 (en) | 2003-03-10 | 2004-03-05 | Control method of indoor circulation mode in air conditioner, involves switching from external introduction mode to indoor circulation mode when indoor humidity is less than relative humidity of interior surface of window |
| FR0402404A FR2853590B1 (en) | 2003-03-10 | 2004-03-08 | METHOD FOR MODIFYING THE MODE OF A CAR AIR CONDITIONER IN INDOOR CIRCULATION MODE |
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| JP2003063776A JP4033004B2 (en) | 2003-03-10 | 2003-03-10 | Switching method for indoor air conditioner of automotive air conditioner |
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| JP4033004B2 true JP4033004B2 (en) | 2008-01-16 |
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| JP2003063776A Expired - Lifetime JP4033004B2 (en) | 2003-03-10 | 2003-03-10 | Switching method for indoor air conditioner of automotive air conditioner |
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| JP (1) | JP4033004B2 (en) |
| DE (1) | DE102004010871A1 (en) |
| FR (1) | FR2853590B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8932119B2 (en) | 2008-02-08 | 2015-01-13 | Mitsubishi Heavy Industries, Ltd. | Vehicle air conditioner |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4915212B2 (en) * | 2006-11-06 | 2012-04-11 | 株式会社デンソー | Air conditioner for vehicles |
| JP5101999B2 (en) * | 2007-11-20 | 2012-12-19 | カルソニックカンセイ株式会社 | Air conditioning control device for vehicles |
| CN108981932B (en) | 2013-05-17 | 2020-08-18 | 松下电器（美国）知识产权公司 | Thermal image sensor and air conditioner |
| JP2016096658A (en) * | 2014-11-14 | 2016-05-26 | トヨタ自動車株式会社 | Method for preventing invasion of fuel gas into in-room space of fuel cell mobile body, and the fuel cell mobile body |
| JP6680191B2 (en) | 2016-11-16 | 2020-04-15 | 株式会社デンソー | Vehicle air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5660716A (en) * | 1979-10-20 | 1981-05-25 | Diesel Kiki Co Ltd | Method and apparatus for defrosting inside surface of glass and for controlling humidity in car chamber for air conditioner of car |
| JPH01311915A (en) * | 1988-06-10 | 1989-12-15 | Diesel Kiki Co Ltd | Air conditioner for motor vehicle |
| DE19637232A1 (en) * | 1996-09-13 | 1998-03-19 | Behr Gmbh & Co | Device and method for controlling air guiding elements of a vehicle |
| DE10128166A1 (en) * | 2001-06-09 | 2002-12-12 | Behr Gmbh & Co | Method for setting a proportion of recirculated air in the supply air supplied to a passenger cell |
-
2003
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8932119B2 (en) | 2008-02-08 | 2015-01-13 | Mitsubishi Heavy Industries, Ltd. | Vehicle air conditioner |
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| FR2853590A1 (en) | 2004-10-15 |
| FR2853590B1 (en) | 2007-03-30 |
| JP2004268792A (en) | 2004-09-30 |
| DE102004010871A1 (en) | 2004-10-14 |
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