JPH078606B2 - Control method for automobile air conditioner - Google Patents

Control method for automobile air conditioner

Info

Publication number
JPH078606B2
JPH078606B2 JP27941886A JP27941886A JPH078606B2 JP H078606 B2 JPH078606 B2 JP H078606B2 JP 27941886 A JP27941886 A JP 27941886A JP 27941886 A JP27941886 A JP 27941886A JP H078606 B2 JPH078606 B2 JP H078606B2
Authority
JP
Japan
Prior art keywords
air
temperature
conditioning mode
air conditioning
air conditioner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP27941886A
Other languages
Japanese (ja)
Other versions
JPS63134326A (en
Inventor
寛 仙田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daihatsu Motor Co Ltd
Original Assignee
Daihatsu Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daihatsu Motor Co Ltd filed Critical Daihatsu Motor Co Ltd
Priority to JP27941886A priority Critical patent/JPH078606B2/en
Publication of JPS63134326A publication Critical patent/JPS63134326A/en
Publication of JPH078606B2 publication Critical patent/JPH078606B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating 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
    • B60H1/00842—Damper doors, e.g. position control the system comprising a plurality of damper doors; Air distribution between several outlets

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Description

【発明の詳細な説明】 産業上の利用分野 本発明は自動車用空気調和装置の制御方法に関するもの
である。Description: FIELD OF THE INVENTION The present invention relates to a method for controlling an air conditioner for a vehicle.

従来の技術 自動車には、車室内を空調するための空気調和装置が装
備されている。この空気調和装置は、一般にブロア及び
ブロアモータを具備したブロアユニットと、蒸発器を具
備したクーリングユニットと、ヒータコアを具備したヒ
ータユニットとによって構成されている。そして上記各
ユニットの作用によって所望の温度に調整された空調風
をエア吹出口から車室内に供給することにより、車室内
の空調を行うようにしている。又エア吹出口には風向変
更羽根が組込まれており、この風向変更羽根の向きを調
整することにより、エア吹出口から吹出する空調風の吹
出方向を調整できるようにしてある。2. Description of the Related Art A vehicle is equipped with an air conditioner for air conditioning the interior of the vehicle. This air conditioner generally includes a blower unit including a blower and a blower motor, a cooling unit including an evaporator, and a heater unit including a heater core. Then, by supplying the air-conditioned air adjusted to a desired temperature by the operation of each unit from the air outlet into the vehicle interior, the air conditioning of the vehicle interior is performed. Further, a wind direction changing blade is incorporated in the air outlet, and by adjusting the direction of the wind direction changing blade, the blowing direction of the conditioned air blown from the air outlet can be adjusted.

ところで、上記した風向変更羽根の方向を変更させるた
めの手段としては、風向変更羽根を直接手で操作する以
外に、モータ等の駆動手段によって風向変更羽根の方向
を自動的に制御するものがある。この風向変更羽根の方
向を自動的に制御するものは、空気調和装置が作動する
と車室内の温度を温度センサによって測定し、この温度
センサからの信号に基づいてエア吹出口から吹出す空調
風の温度及び風向の両者を制御することにより、車室内
を快適な状態に保つようにしてある。そして上記制御方
法によって例えば車室内を冷房する時は、車室内の温度
がある設定温度より高い場合は空風が直接乗員に当たる
ように風向変更羽根の方向を制御し、車室内の温度が設
定値以下になると空調風が直接乗員に当らないように風
向変更羽根の方向を制御することにより、車室内を快適
な状態に保つようにしている。尚、上記した制御を行う
ものとしては、例えば実開昭50-694644号公報に開示さ
れた車両用冷房装置の吹出方向制御装置や、実開昭58−
104717号公報に開示された車両用空気調和装置等があ
る。By the way, as a means for changing the direction of the wind direction changing blade, there is a means for automatically controlling the direction of the wind direction changing blade by a driving means such as a motor, in addition to directly operating the wind direction changing blade. . The one that automatically controls the direction of the wind direction changing blades measures the temperature inside the vehicle compartment with a temperature sensor when the air conditioner operates, and based on the signal from this temperature sensor, the air conditioning air blown from the air outlet is By controlling both the temperature and the wind direction, the passenger compartment is kept in a comfortable state. Then, for example, when cooling the vehicle interior by the above control method, if the temperature of the vehicle interior is higher than a certain set temperature, the direction of the wind direction changing blades is controlled so that the wind blows directly on the passenger, and the temperature of the vehicle interior is set to a set value. By controlling the direction of the wind direction changing vanes so that the air-conditioned wind does not directly hit the occupant in the following cases, the passenger compartment is kept in a comfortable state. Incidentally, as the means for performing the above-mentioned control, for example, a blow-out direction control device for a vehicle air conditioner disclosed in Japanese Utility Model Laid-Open No. 50-694644, and a real-life developing system 58-
There is a vehicle air conditioner disclosed in Japanese Patent No. 104717.

発明が解決しようとする問題点 上記した如く、空気調和装置から吹出する空調風の温度
及び風向の両者を同時に制御すれば風向を手動で調整す
る必要がなくなると同時に、車室の温度制御がより正確
に行えるようになる。しかし、上記した制御は、単に温
度によって空調風の吹出方向を制御しているため、例え
ば冷房時、車室内の温度が設定温度以下になると空調風
が直接乗員に当らないように制御を行った場合、車室内
の温度が安定すると以後空調風が乗員に直接当ることが
全くなくなる。そして、この状態が長時間継続される
と、乗員の感じる冷房感が損なわれるといった問題があ
った。また上記制御では、車室内の温度が安定すると空
調風の吹出方向も固定化されるため、乗員が眠気を催し
やすいといった問題もあった。Problems to be Solved by the Invention As described above, if both the temperature and the wind direction of the conditioned air blown out from the air conditioner are simultaneously controlled, it is not necessary to manually adjust the wind direction, and at the same time, the temperature control of the passenger compartment is improved. You will be able to do it accurately. However, the above-mentioned control simply controls the blowing direction of the conditioned air based on the temperature. Therefore, for example, during cooling, the conditioned air is controlled so as not to directly hit the occupants when the temperature in the vehicle interior falls below the set temperature. In this case, when the temperature inside the vehicle is stable, the conditioned air will not directly hit the occupant thereafter. Then, if this state continues for a long time, there is a problem that the cooling sensation felt by the occupant is impaired. Further, in the above-mentioned control, when the temperature inside the vehicle is stable, the blowing direction of the conditioned air is also fixed, so that there is a problem that the occupant is likely to feel drowsy.

問題点を解決するための手段 空気調和装置を初期空調モードで始動させた後、外気温
の車内温との温度差が予め設定された第１の設定温度差
に達すると、空調風の吹出し方向が初期空調モードとは
異なる方向に設定された第２の空調モードで空気調和装
置を作動させ、この後、外気温と車内温との温度差が予
め設定された第２の温度差に達すると、空調風の吹出し
方向が初期空調モードと同じで、かつ、送風動作のみに
設定された第３の空調モードで空気調和装置を作動さ
せ、予め設定された時間だけ第３の空調モードを維持し
た後、再び初期空調モードに戻し、上記動作を繰返すよ
うにしたものである。Means for Solving the Problems After the air conditioner is started in the initial air conditioning mode, when the temperature difference between the outside air temperature and the vehicle interior temperature reaches a preset first set temperature difference, the blowing direction of the conditioned air When the air conditioner is operated in the second air conditioning mode set in a direction different from the initial air conditioning mode, and thereafter the temperature difference between the outside air temperature and the vehicle interior temperature reaches the preset second temperature difference. , The air-conditioning air blowing direction is the same as the initial air-conditioning mode, and the air conditioner is operated in the third air-conditioning mode in which only the air-blowing operation is set, and the third air-conditioning mode is maintained for a preset time. After that, the operation is returned to the initial air conditioning mode and the above operation is repeated.

作用 上記した如く、処理空調モード及び第２の空調モードを
それぞれ第１及び第２の設定温度差によって制御し、か
つ、第３の空調モードを設定時間によって制御すること
により、空気調和装置の制御に変化を持たせるようにし
たものである。Action As described above, the processing air conditioning mode and the second air conditioning mode are controlled by the first and second set temperature differences, respectively, and the third air conditioning mode is controlled by the set time, thereby controlling the air conditioner. It is intended to have a change.

実施例 第１図は本発明に係る制御方法を説明するためのフロー
チャートであり、以下このフローチャートに従って、車
室内を冷房する時の制御例を説明する。尚、以下に説明
する制御は、自動車に搭載され、かつ、空気調和装置と
電気的に接続されたCPUによって行われる。Embodiment FIG. 1 is a flow chart for explaining the control method according to the present invention, and a control example for cooling the vehicle interior will be described below according to this flow chart. The control described below is performed by the CPU mounted on the vehicle and electrically connected to the air conditioner.

先ず、ステップ（１）にて空気調和装置がONすると、空
気調和装置は初期空調モードで作動を開始し、空気調和
装置のクーリングユニットの作用によって空調風が冷却
されると同時に、空調風の吹出方向が乗員の顔面を向く
ように制御が行われ、空気調和装置の始動直後から乗員
に冷房感を与えるようにする。次にステップ（２）にて
外気温（Tout）を、又ステップ（３）にて車内温（Ti
n）をそれぞれ測定し、次にステップ（４）にて外気温
（Tout）と車内温（Tin）との差を算出し、この温度差
が予め設定された第１の設定温度差（Ta）以上か否かの
判別を行う。そして、算出した温度差が第１の設定温度
差（Ta）より小さい時、即ち冷房効果が充分に現れてい
ない時はステップ（２）に戻り、初期空調モードを維持
する。又算出した温度差が第１の設定温度差（Ta）以上
となり、冷房効果がある程度現れてくると、ステップ
（５）に移行し、第２の空調モードで空気調和装置を作
動させる。この第２の空調モードは、空気調和装置のク
ーリングユニットはON状態を維持し、空調風の吹出方向
が乗員の足元を向くようにしたモードである。このよう
にして第２の空調モードに移行すると、次にステップ
（６）にて、ステップ（２）（３）にて検出した外気温
（Tout）と車内温（Tin）との差が第２の設定温度差（T
b）以上か否かの判別を行う。尚、この第２の設定温度
差（Tb）は、第１の設定温度差（Ta）より大きく設定し
てある。そして温度差が第２の設定温度差（Tb）より小
さい時、即ち冷房効果がある程度現れた状態のままの時
は、再びステップ（２）に戻り上記動作を繰返す。又温
度差が第２の設定温度差（Tb）以上となり、冷房効果が
充分に現われてくると、ステップ（７）に移行し、空調
モードが第３の空調モードになっているか否かの検出を
行う。すると、この時点では空調モードは第２の空調モ
ードとなっているため、ステップ（８）に移行し、CPU
内のカウンタを０にセットした後、ステップ（９）に移
行し、空調モードを第３の空調モードにする。この第３
の空調モードは、クーリングユニットをOFFにし、空気
調和装置を送風状態にすると同時に、空調風の吹出し方
向が初期空調モードと同じく乗員の顔面を向くようにし
たものである。このようにして第３の空調モードに移行
すると、次にステップ（10）に移行し、ステップ（８）
で０にセットしたカウンタに、“1"加算した後、ステッ
プ（11）にてカウンタの値（ｔ）が、予め設定された設
定値（t1）以上か否かの判定を行う。そしてカウンタの
値（ｔ）が設定値（t1）に達していない時は、ステープ
（７）に再び戻る。するとこの時点では、空調モードは
第３の空調モードになっているため、ステップ（７）か
らステップ（９）に移行し、第３の空調モードを維持し
た状態でステップ（10）に移行し、カウンタの値に再び
“1"加算した後のステップ（11）に移行し、再びカウン
タの値（ｔ）と設定値（t1）との比較を行う。そしてこ
の動作を繰返す内、カウンタの値（ｔ）が設定値（t1）
に達すると、即ち予め設定された時間が経過すると、ス
テップ（12）に移行し、カウンタの値（ｔ）をリセット
した後、ステップ（２）に戻り、以上後述した動作を繰
返す。First, when the air conditioner is turned on in step (1), the air conditioner starts to operate in the initial air conditioning mode, the conditioned air is cooled by the action of the cooling unit of the air conditioner, and at the same time the conditioned air is blown out. The control is performed so that the direction faces the occupant's face, and the occupant is given a cooling sensation immediately after the air conditioner is started. Next, in step (2), the outside air temperature (Tout), and in step (3), the inside temperature (Ti).
n) respectively, and then in step (4), the difference between the outside air temperature (Tout) and the vehicle interior temperature (Tin) is calculated, and this temperature difference is set to a preset first temperature difference (Ta). Whether or not the above is determined. Then, when the calculated temperature difference is smaller than the first set temperature difference (Ta), that is, when the cooling effect does not sufficiently appear, the process returns to step (2) and the initial air conditioning mode is maintained. When the calculated temperature difference becomes equal to or larger than the first set temperature difference (Ta) and the cooling effect appears to some extent, the process proceeds to step (5), and the air conditioner is operated in the second air conditioning mode. The second air conditioning mode is a mode in which the cooling unit of the air conditioner is maintained in the ON state and the blowing direction of the conditioned air is directed toward the occupant's feet. In this way, when the second air conditioning mode is entered, in step (6), the difference between the outside air temperature (Tout) and the vehicle interior temperature (Tin) detected in steps (2) and (3) becomes the second difference. Set temperature difference (T
b) Determine whether or not the above. The second set temperature difference (Tb) is set to be larger than the first set temperature difference (Ta). Then, when the temperature difference is smaller than the second set temperature difference (Tb), that is, when the cooling effect still appears to some extent, the process returns to step (2) and the above operation is repeated. When the temperature difference becomes equal to or higher than the second set temperature difference (Tb) and the cooling effect appears sufficiently, the process proceeds to step (7) to detect whether the air conditioning mode is the third air conditioning mode. I do. Then, since the air conditioning mode is the second air conditioning mode at this point, the process proceeds to step (8) and the CPU
After setting the internal counter to 0, the process proceeds to step (9) to set the air conditioning mode to the third air conditioning mode. This third
In the air conditioning mode, the cooling unit is turned off and the air conditioner is set to the air blowing state, and at the same time, the blowing direction of the air conditioning air is directed toward the passenger's face as in the initial air conditioning mode. In this way, when the mode is changed to the third air conditioning mode, the process proceeds to step (10) and then to step (8).
After adding "1" to the counter set to 0 in step 1, it is determined in step (11) whether the counter value (t) is equal to or greater than a preset set value (t 1 ). When the counter value (t) has not reached the set value (t 1 ), the process returns to the staple (7) again. Then, at this point, since the air conditioning mode is the third air conditioning mode, the process moves from step (7) to step (9), and while maintaining the third air conditioning mode, moves to step (10), the process proceeds to step (11) after re "1" is added to the value of the counter again is compared with the counter value (t) and the set value (t 1). Then, while repeating this operation, the value (t) of the counter is equal to the set value (t 1 )
When it reaches, that is, when a preset time elapses, it moves to step (12), resets the value (t) of the counter, then returns to step (2), and the above-mentioned operation is repeated.

尚、上記実施例で用いた第１の設定温度差（Ta）及び第
２の設定温度差（Tb）は次のようにして設定すればよ
い。即ち、車外温（Tout）と室内温（Tin）との温度差
があまり小さいと冷房感がなく、又逆に温度差があまり
大きすぎると乗員に不快感を与えるため、車室内の適温
ゾーンをTa≦車外温（Tout）−室内温（Tin）≦Tc
（℃）とし、Ta及びTcを任意に設定した後、上記Taを第
１の設定温度差とし、又第２の設定温度差TbをTa＜Tb＜
Tcなるように設定する。The first set temperature difference (Ta) and the second set temperature difference (Tb) used in the above embodiment may be set as follows. That is, if the temperature difference between the vehicle outside temperature (Tout) and the room temperature (Tin) is too small, there is no feeling of cooling, and conversely, if the temperature difference is too large, the passengers feel uncomfortable. Ta ≦ outside temperature (Tout) −indoor temperature (Tin) ≦ Tc
(° C.), Ta and Tc are arbitrarily set, and then Ta is set to the first set temperature difference, and the second set temperature difference Tb is set to Ta <Tb <
Set to Tc.

上記した制御方法によって空気調和装置を制御すれば、
車室内の温度がある程度安定した状態となっても、予め
設定された時間によって空調モードが変化するため、車
室内の冷房感が損われるのを防止できると同時に眠気覚
ましの効果がある。また上記実施例は、空気調和装置に
よって車室内を冷房する時の例について説明したが、上
記制御方法は暖房時にも適用できるのは無論である。
尚、暖房時はステップ（４）及び（６）による温度覚の
判別を、それぞれ室内温（Tin）−車外温（Tout）≧第
１の設定温度差（Ta）、室内温（Tin）−車外温（Tou
t）≧第２の設定温度差（Tb）となるようにし、又第１
の設定温度差（Ta）及び第２の設定温度差（Tb）も暖房
時に適した温度差に設定する。又各空調モード時の空調
風の吹出方向も暖房時に適した向きに設定すればよい。If the air conditioner is controlled by the control method described above,
Even if the temperature inside the vehicle is stable to some extent, the air conditioning mode changes according to a preset time, so that the cooling feeling in the vehicle interior can be prevented from being impaired, and at the same time, there is an effect of drowsiness. In addition, although the above-described embodiment has been described with respect to an example in which the vehicle interior is cooled by the air conditioner, it goes without saying that the above control method can also be applied during heating.
In addition, at the time of heating, the determination of the temperature sensation in steps (4) and (6) is performed by respectively determining the indoor temperature (Tin) -external temperature (Tout) ≧ first set temperature difference (Ta), indoor temperature (Tin) -external vehicle Temperature (Tou
t) ≧ the second set temperature difference (Tb), and the first
The set temperature difference (Ta) and the second set temperature difference (Tb) are also set to temperatures suitable for heating. Also, the blowing direction of the conditioned air in each air conditioning mode may be set to a direction suitable for heating.

発明の効果 上記した如く、本発明は予め設定した第１及び第２の設
定温度差によって分けられる３つの状態毎にそれぞれ対
応した初期、第２及び第３の空調モードを設定し、各空
調モード毎に空気調和装置のクーリングユニット或いは
ヒータユニットのON、OFF及び空調風の吹出方向を設定
し、かつ、第３の空調モードを温度差ではなく設定時間
によって制御するようにしたから、車室内の温度が空気
調和装置の働きによってある程度安定した状態になった
後も、空気調和装置のクーリングユニット或はヒータユ
ニットのON、OFF及び空調機の吹出方向が定期的に変化
するため、空気調和装置による冷房感或いは暖房感が損
なわれるのを防止できると同時に風向が変ることによ
り、眠気覚ましの効果も発揮することができる。EFFECTS OF THE INVENTION As described above, the present invention sets the initial, second and third air conditioning modes respectively corresponding to the three states divided by the preset first and second set temperature differences, and sets each air conditioning mode. Since the cooling unit or the heater unit of the air conditioner is turned on and off and the air-conditioning air blowing direction is set for each time, and the third air-conditioning mode is controlled not by the temperature difference but by the set time, Even after the temperature has stabilized to some extent due to the action of the air conditioner, the ON / OFF of the cooling unit or heater unit of the air conditioner and the blowing direction of the air conditioner change periodically. It is possible to prevent the feeling of cooling or heating from being impaired, and at the same time, it is possible to exert the effect of drowsiness by changing the wind direction.

【図面の簡単な説明】[Brief description of drawings]

第１図は本発明に係る自動用空気調和装置の制御方法を
説明するためのフローチャートである。FIG. 1 is a flow chart for explaining a control method for an automatic air conditioner according to the present invention.

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】空気調和装置を初期空調モードで始動させ
た後、外気温と車内温との温度差が予め設定された第１
の設定温度差に達すると、空調風の吹出し方向が初期空
調モードとは異なる方向に設定された第２の空調モード
で空気調和装置を作動させ、この後、外気温と車内温と
の温度差が予め設定された第２の温度差に達すると、空
調風の吹出し方向が初期空調モードと同じで、かつ、送
風動作のみに設定された第３の空調モードで空気調和装
置を作動させ、予め設定された時間だけ第３の空調モー
ドを維持した後、再び初期空調モードに戻し、上記動作
を繰返すようにしたことを特徴とする自動車用空気調和
装置の制御方法。1. After starting an air conditioner in an initial air conditioning mode, a first temperature difference between an outside air temperature and a vehicle interior temperature is preset.
When the set temperature difference is reached, the air conditioner is operated in the second air conditioning mode in which the blowing direction of the conditioned air is set to a direction different from the initial air conditioning mode, and then the temperature difference between the outside air temperature and the vehicle interior temperature. When the preset second temperature difference is reached, the air conditioner is operated in the third air conditioning mode in which the blowing direction of the conditioned air is the same as that in the initial air conditioning mode and only the blowing operation is set. A method for controlling an air conditioner for a vehicle, comprising: maintaining the third air conditioning mode for a set time, then returning to the initial air conditioning mode, and repeating the above operation.
JP27941886A 1986-11-21 1986-11-21 Control method for automobile air conditioner Expired - Lifetime JPH078606B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27941886A JPH078606B2 (en) 1986-11-21 1986-11-21 Control method for automobile air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27941886A JPH078606B2 (en) 1986-11-21 1986-11-21 Control method for automobile air conditioner

Publications (2)

Publication Number Publication Date
JPS63134326A JPS63134326A (en) 1988-06-06
JPH078606B2 true JPH078606B2 (en) 1995-02-01

Family

ID=17610810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27941886A Expired - Lifetime JPH078606B2 (en) 1986-11-21 1986-11-21 Control method for automobile air conditioner

Country Status (1)

Country Link
JP (1) JPH078606B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19715748C1 (en) * 1997-04-16 1998-05-07 Mc Micro Compact Car Ag Apparatus for monitoring vehicle air conditioning
KR100613713B1 (en) 2004-09-15 2006-08-21 현대모비스 주식회사 How to control the ventilation inside the vehicle
CN109130778B (en) * 2018-08-15 2022-03-04 北京新能源汽车股份有限公司 Control method, device and equipment for vehicle-mounted air conditioner

Also Published As

Publication number Publication date
JPS63134326A (en) 1988-06-06

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