JPH0516803A - Air conditioner for vehicle - Google Patents

Air conditioner for vehicle

Info

Publication number
JPH0516803A
JPH0516803A JP16661091A JP16661091A JPH0516803A JP H0516803 A JPH0516803 A JP H0516803A JP 16661091 A JP16661091 A JP 16661091A JP 16661091 A JP16661091 A JP 16661091A JP H0516803 A JPH0516803 A JP H0516803A
Authority
JP
Japan
Prior art keywords
air
vehicle
return
fan
fresh air
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.)
Pending
Application number
JP16661091A
Other languages
Japanese (ja)
Inventor
Itsuo Kaji
逸夫 加治
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP16661091A priority Critical patent/JPH0516803A/en
Publication of JPH0516803A publication Critical patent/JPH0516803A/en
Pending legal-status Critical Current

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  • Air-Conditioning For Vehicles (AREA)

Abstract

PURPOSE:To use a ventilation device for fresh air supply during heating time in winter, and supply a sufficient amount of fresh air into a cabin at such a small amount of air to prevent from giving an uncomfortable feeling to passengers. CONSTITUTION:An air amount variable type fan 2 is used as a cooling fan, and a damper 3 for cutting off return air RA from a cabin is provided. When the air amount variable type fan 2 is operated with the damper 3 kept in a fully closed condition and a cooler 19 inoperative, only fresh air from the outside is taken in and supplied into the cabin through a blower port 18. Besides, the air amount at the air amount, variable type fan 2 at this time is set so small that fresh air may not give an uncomfortable feeling to passengers.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、鉄道車両に搭載され、
車内からのリターンエアと車外のフレッシュエアとを冷
却して車内へ供給する車両用空気調和装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is mounted on a railway vehicle,
The present invention relates to a vehicle air conditioner that cools return air from inside the vehicle and fresh air outside the vehicle and supplies the cooled air to the inside of the vehicle.

【0002】[0002]

【従来の技術】図2は、車両(11)の屋根に搭載され
た、従来の車両用空気調和装置(12)(以下単に空調
装置(12)と呼ぶ)の概略構成図である。
2. Description of the Related Art FIG. 2 is a schematic configuration diagram of a conventional vehicle air conditioner (12) (hereinafter simply referred to as an air conditioner (12)) mounted on a roof of a vehicle (11).

【0003】図のように、この空調装置(12)の筐体
(13)の両側部には、外気取入口(14)が設けられ
ており、その外気取入口(14)にはフレッシュフィル
タ(15)とフード(16)が取り付けられている。
As shown in the figure, outside air intakes (14) are provided on both sides of a housing (13) of the air conditioner (12), and a fresh filter (14) is provided at the outside air intake (14). 15) and the hood (16) are attached.

【0004】また、上記筐体(13)の底部の左右両端
に、リターン口(17)が設けられるとともに、その筐
体(13)の底部中央には、送風口(18)が設けられ
ている。上記リターン口(17)は、車両(11)の天
井部の左右両端に設けられたリターンダクト(11a)
に接続され、上記送風口(18)は、車両(11)の天
井部中央に設けられた送風ダクト(11b)に接続され
ている。
Return ports (17) are provided at both left and right ends of the bottom of the casing (13), and a blower port (18) is provided at the center of the bottom of the casing (13). . The return ports (17) are return ducts (11a) provided at both left and right ends of the ceiling of the vehicle (11).
The blower port (18) is connected to a blower duct (11b) provided at the center of the ceiling of the vehicle (11).

【0005】そして上記筐体(13)内には、上記リタ
ーン口(17)と送風口(18)とを仕切るように二台
の冷却器(19)が配置されるとともに、その二台の冷
却器(19)の間に、上記送風口(18)と連結した状
態で風量の大きな冷却ファン(20)が配置されてい
る。
Two coolers (19) are arranged in the housing (13) so as to separate the return port (17) and the blower port (18), and the two coolers are cooled. A cooling fan (20) having a large air volume is arranged between the air conditioners (19) in a state of being connected to the blower port (18).

【0006】上記構成の空調装置(12)では、冷却フ
ァン(20)を作動させることにより、車内からのリタ
ーンエア(RA)を、リターンダクト(11a)を通し
てリターン口(17)から、また車外のフレッシュエア
(FA)を外気取入口(14)からそれぞれ取り入れる
とともに、それらのリターンエア(RA)とフレッシュ
エア(FA)とをいっしょに冷却器(19)に通して冷
却エア(CA)とし、送風口(18)から送風ダクト
(11b)を通して車内へ供給する。これにより、車内
を冷房すると同時に、車内へ新鮮な空気を送り込むこと
ができる。
In the air conditioner (12) having the above-mentioned structure, the return air (RA) from the inside of the vehicle is operated from the return port (17) through the return duct (11a) and outside the vehicle by operating the cooling fan (20). Fresh air (FA) is taken in through the outside air intake (14), and the return air (RA) and fresh air (FA) are passed together through a cooler (19) to form cooling air (CA), which is then blown. The air is supplied from the mouth (18) into the vehicle through the air duct (11b). As a result, the inside of the vehicle can be cooled, and at the same time, fresh air can be sent into the inside of the vehicle.

【0007】[0007]

【発明が解決しようとする課題】しかし上記従来の空調
装置(12)では、冬期暖房時に、車内へフレッシュエ
ア(FA)を供給するために、冷却器(19)を機能さ
せずに冷却ファン(20)を作動させると、車内からの
暖いリターンエア(RA)と車外の冷たいフレッシュエ
ア(FA)とが混ざった、車内より温度の低い空気が、
乗客の頭や顔に勢いよく吹き付けられることになり、乗
客に不快感を与えてしまう。そこで従来は、上記空調装
置(12)と別個に、冬期暖房時のフレッシュエア供給
用に、空調装置(12)の冷却ファン(20)より風量
の小さい換気ファンを備えた換気装置を車両に搭載しな
ければならなかった。
However, in the above conventional air conditioner (12), in order to supply fresh air (FA) into the vehicle during heating in winter, the cooling fan (19) does not function but the cooling fan ( When 20) is activated, the warm return air (RA) from the inside of the vehicle and the cold fresh air (FA) outside the vehicle, which is lower in temperature than the inside of the vehicle,
The passenger's head and face are vigorously sprayed, which causes the passenger to feel uncomfortable. Therefore, conventionally, in addition to the air conditioner (12), a vehicle is equipped with a ventilator provided with a ventilation fan having a smaller air volume than the cooling fan (20) of the air conditioner (12) for supplying fresh air during winter heating. I had to do it.

【0008】このように従来の空調装置(12)は、製
造や据付に多くの費用と時間がかかる割に、冷房装置と
してしか利用することができないという欠点があった。
As described above, the conventional air conditioner (12) has a drawback that it can be used only as a cooling device although it costs a lot of time and money to manufacture and install.

【0009】上記冷却ファン(20)に風量可変型ファ
ンを用いることにより、冬期暖房時に風量を落としてフ
レッシュエア(FA)を車内へ供給するように構成した
車両用冷房装置も提案されているが(特開昭59−96
055)、単に上記冷却ファン(20)の風量を落とし
たのでは、フレッシュエア(FA)とリターンエア(R
A)とが合わさって送られるために、フレッシュエア
(FA)を充分に供給することができない。
A vehicle cooling device has been proposed, which uses a variable air volume fan as the cooling fan (20) to reduce the air volume during winter heating and supply fresh air (FA) into the vehicle. (JP-A-59-96
055), if the air volume of the cooling fan (20) is simply reduced, the fresh air (FA) and the return air (R)
Since it is sent together with A), fresh air (FA) cannot be sufficiently supplied.

【0010】本発明は、上記欠点をなくすためになされ
たもので、冬期暖房時にも、フレッシュエア供給用の換
気装置として利用することができ、しかも乗客に不快感
を与えないような小さな風量で、フレッシュエアを充分
に車内へ供給し得る車両用空気調和装置を提供すること
を目的とする。
The present invention has been made to eliminate the above-mentioned drawbacks, and can be used as a ventilation device for supplying fresh air even during heating in winter, and has a small air volume that does not cause passenger discomfort. An object of the present invention is to provide a vehicle air conditioner capable of sufficiently supplying fresh air into the vehicle.

【0011】[0011]

【課題を解決するための手段】上記目的を達成するため
に、本発明に係る車両用空気調和装置では、冷却ファン
として、風量可変型ファンを用いるとともに、車内から
のリターンエアを遮断するダンパを設けた。
In order to achieve the above object, in a vehicle air conditioner according to the present invention, a variable air volume fan is used as a cooling fan, and a damper for shutting off return air from the inside of the vehicle is provided. Provided.

【0012】[0012]

【作用】上記構成において、ダンパを全閉状態にすると
ともに、冷却器の機能を停止させた状態で、風量可変型
ファンを作動させると、車内からのリターンエアは空調
装置内へ取り入れられず、車外のフレッシュエアだけが
取り入れられて、送風口から送風ダクトを通って車内へ
供給される。またこの時の風量可変型ファンの風量を、
フレッシュエアが乗客に不快感を与えないように小さく
設定する。このように風量可変型ファンの風量を小さく
しても、ダンパにより車内からのリターンエアを遮断し
てフレッシュエアだけを取り入れるために、フレッシュ
エアを充分に車内へ供給することが可能となる。
In the above structure, when the damper is fully closed and the variable air volume fan is operated with the function of the cooler stopped, the return air from the inside of the vehicle is not taken into the air conditioner, Only fresh air outside the vehicle is taken in and supplied from the air outlet through the air duct to the inside of the vehicle. In addition, the air volume of the variable air volume fan at this time
Set it small so that fresh air does not cause passenger discomfort. Even when the air volume of the variable air volume type fan is reduced in this way, the fresh air can be sufficiently supplied to the vehicle because the damper blocks the return air from the vehicle and only the fresh air is taken in.

【0013】[0013]

【実施例】以下、図面に基づいて本発明の一実施例を説
明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

【0014】図1は、車両の屋根に搭載された、本発明
に係る車両用空気調和装置の概略構成図である。尚、図
1において、図2に示した従来例と相違ない構成要素に
ついては、同一の符号を付して説明を省略する。
FIG. 1 is a schematic configuration diagram of a vehicle air conditioner according to the present invention mounted on a vehicle roof. Note that, in FIG. 1, constituent elements that are not different from the conventional example shown in FIG.

【0015】本発明に係る車両用空気調和装置(1)
(以下単に空調装置(1)と呼ぶ)の特徴は、筐体(1
3)内に配置する冷却ファンとして、風量可変型ファン
(2)を用いるとともに、車内からのリターンエア(R
A)を遮断するダンパ(3)を設けたことにある。
A vehicle air conditioner according to the present invention (1)
The feature of the air conditioner (hereinafter, simply referred to as the air conditioner (1)) is that the housing (1
3) A variable air volume type fan (2) is used as a cooling fan to be placed inside, and return air (R
This is because a damper (3) for shutting off A) is provided.

【0016】上記風量可変型ファン(2)は、回転数が
可変のモータ、例えば極数変換式モータを用いることに
より、風量を変えることができるように構成されたもの
である。
The air volume variable type fan (2) is constructed so that the air volume can be changed by using a motor whose rotation speed is variable, for example, a pole number conversion type motor.

【0017】また、上記ダンパ(3)は、電動あるいは
手動により、完全に開いた全開の状態と、完全に閉じた
全閉の状態とに切り換えることができるように構成され
たもので、本実施例の場合には、筐体(13)のリター
ン口(17)に取り付けられている。尚、このダンパ
(3)の取付位置については、車内からのリターンエア
(RA)を完全に遮断し得る位置であればよく、例えば
車両(11)のリターンダクト(11a)内でもよい。
Further, the damper (3) is constructed so that it can be electrically or manually switched between a completely opened and fully opened state and a completely closed and fully closed state. In the case of the example, it is attached to the return port (17) of the housing (13). The damper (3) may be attached at any position as long as it can completely block the return air (RA) from the inside of the vehicle, for example, inside the return duct (11a) of the vehicle (11).

【0018】次に、上記構成の空調装置(1)の動作を
説明する。
Next, the operation of the air conditioner (1) having the above structure will be described.

【0019】上記ダンパ(3)を全開状態にするととも
に、風量可変型ファン(2)の風量を大きくし、また冷
却器(19)を機能させることにより、この空調装置
(1)を従来の空調装置と同様に冷房装置として動作さ
せることができる。
By making the damper (3) fully open, increasing the air volume of the variable air volume fan (2), and making the cooler (19) function, the air conditioner (1) can be operated in a conventional air conditioner. Like the device, it can be operated as a cooling device.

【0020】即ち、風量可変型ファン(2)を作動させ
ると、車内からのリターンエア(RA)と車外のフレッ
シュエア(FA)とが、リターン口(17)と外気取入
口(14)とからそれぞれ取り入れられて、共に冷却器
(19)に通され、冷却エア(CA)とされて、送風口
(18)から送風ダクト(11b)を通って車内へ供給
される。この時の風量可変型ファン(2)の風量は、従
来の空調装置の場合と同様に、車内を充分に冷房し得る
ように大きく設定される。これにより、車内を冷房する
と同時に、車内へ新鮮な空気を送り込むことができる。
That is, when the variable air volume fan (2) is operated, the return air (RA) from the inside of the vehicle and the fresh air (FA) outside the vehicle are discharged from the return port (17) and the outside air intake port (14). Each of them is taken in, passed through a cooler (19) together, made into cooling air (CA), and supplied into the vehicle from a blower port (18) through a blower duct (11b). At this time, the air volume of the variable air volume fan (2) is set to be large so that the inside of the vehicle can be sufficiently cooled, as in the case of the conventional air conditioner. As a result, the inside of the vehicle can be cooled, and at the same time, fresh air can be sent into the inside of the vehicle.

【0021】一方、上記ダンパ(3)を全閉状態にする
とともに、風量可変型ファン(2)の風量を小さくし、
また冷却器(19)の機能を停止させることにより、こ
の空調装置(1)を、冬期暖房時に、フレッシュエア供
給用の換気装置として動作させることができる。
On the other hand, the damper (3) is fully closed and the air volume of the variable air volume fan (2) is reduced,
Further, by stopping the function of the cooler (19), the air conditioner (1) can be operated as a ventilation device for supplying fresh air during winter heating.

【0022】即ち、ダンパ(3)を全閉状態にしてリタ
ーン口(17)を閉じたことにより、風量可変型ファン
(2)を作動させた際、車内からのリターンエア(R
A)は空調装置(1)内へ取り入れられず、車外のフレ
ッシュエア(FA)だけが取り入れられて、送風口(1
8)から送風ダクト(11b)を通って車内へ供給され
る。またこの時の風量可変型ファン(2)の風量を、送
風口(18)から暖房中の車内へ供給される低温のフレ
ッシュエア(FA)が、乗客に不快感を与えないように
小さく設定する。
That is, when the damper (3) is fully closed and the return port (17) is closed, when the variable air volume fan (2) is operated, the return air (R
A) is not taken into the air conditioner (1), only fresh air (FA) outside the vehicle is taken in, and the air outlet (1)
8) The air is supplied into the vehicle through the air duct (11b). Further, the air volume of the variable air volume fan (2) at this time is set to a small value so that low temperature fresh air (FA) supplied from the air outlet (18) to the inside of the vehicle being heated does not cause passenger discomfort. .

【0023】上述のように、本発明に係る空調装置
(1)は、冷房装置としてだけでなく、冬期暖房時に、
フレッシュエア供給用の換気装置としても動作させるこ
とができる。しかも換気装置として動作させる際に、風
量可変型ファン(2)の風量を小さくしても、ダンパ
(3)により車内からのリターンエア(RA)を遮断し
てフレッシュエア(FA)だけを取り入れるために、フ
レッシュエア(FA)を充分に車内へ供給することが可
能となる。
As described above, the air conditioner (1) according to the present invention is used not only as a cooling device but also during winter heating.
It can also be operated as a ventilation device for supplying fresh air. Moreover, when operating as a ventilator, even if the air volume of the variable air volume fan (2) is reduced, the damper (3) shuts off the return air (RA) from the inside of the vehicle and takes in only fresh air (FA). In addition, fresh air (FA) can be sufficiently supplied into the vehicle.

【0024】[0024]

【発明の効果】以上説明したとおり、本発明に係る車両
用空気調和装置によれば、冬期暖房時にも、フレッシュ
エア供給用の換気装置として利用し、乗客に不快感を与
えないような小さな風量で、フレッシュエアを充分に車
内へ供給することができる。
As described above, according to the vehicle air conditioner of the present invention, even when the vehicle is heated in winter, the air conditioner is used as a ventilation device for supplying fresh air, and has a small air volume that does not cause passenger discomfort. Therefore, fresh air can be sufficiently supplied into the vehicle.

【0025】その結果、車両に別個に換気装置を搭載す
る必要がなくなり、それだけ車両の製造にかかる費用と
時間が省かれるとともに、車重が軽くなることから走行
時のエネルギー消費をも減らすことができる。
As a result, it is not necessary to separately install a ventilation device in the vehicle, the cost and time required for manufacturing the vehicle are saved, and the vehicle weight is reduced, so that energy consumption during traveling can be reduced. it can.

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

【図1】本発明の実施例を示す概略構成図である。FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention.

【図2】従来例を示す概略構成図である。FIG. 2 is a schematic configuration diagram showing a conventional example.

【符号の説明】[Explanation of symbols]

(1) 車両用空気調和装置 (2) 風量可変型ファン (3) ダンパ (11) 車両 (11a) リターンダクト (11b) 送風ダクト (13) 筐体 (14) 外気取入口 (17) リターン口 (18) 送風口 (19) 冷却器 (CA) 冷却エア (FA) フレッシュエア (RA) リターンエア (1) Air conditioner for vehicle (2) Variable air volume fan (3) Damper (11) Vehicle (11a) Return duct (11b) Blower duct (13) Housing (14) Outside air intake (17) Return port ( 18) Blower (19) Cooler (CA) Cooling air (FA) Fresh air (RA) Return air

Claims (1)

【特許請求の範囲】 【請求項1】 車両のリターンダクトに接続されたリタ
ーン口と、車両の送風ダクトに接続された送風口と、外
気取入口とを備えた筐体内に、冷却器と冷却ファンとを
配置して成り、その冷却ファンを作動させることによ
り、車内からのリターンエアを上記リターン口から、車
外のフレッシュエアを外気取入口からそれぞれ取り入れ
るとともに、それらのリターンエアとフレッシュエアと
を上記冷却器に通して冷却エアとし、上記送風口から車
内へ供給する車両用空気調和装置において、 上記冷却ファンとして、風量可変型ファンを用いるとと
もに、 上記車内からのリターンエアを遮断するダンパを設けた
ことを特徴とする車両用空気調和装置。
Claim: What is claimed is: 1. A cooler and a cooling device in a housing provided with a return port connected to a return duct of a vehicle, a ventilation port connected to a ventilation duct of the vehicle, and an outside air intake port. By arranging a fan and operating the cooling fan, the return air from the inside of the vehicle is taken in from the above-mentioned return port, the fresh air outside the vehicle is taken in from the outside air intake, and those return air and fresh air are taken in. In a vehicle air conditioner that supplies cooling air through the cooler to the inside of the vehicle through the air outlet, a variable air volume fan is used as the cooling fan, and a damper that blocks return air from the inside of the vehicle is provided. A vehicle air conditioner characterized by the above.
JP16661091A 1991-07-08 1991-07-08 Air conditioner for vehicle Pending JPH0516803A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16661091A JPH0516803A (en) 1991-07-08 1991-07-08 Air conditioner for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16661091A JPH0516803A (en) 1991-07-08 1991-07-08 Air conditioner for vehicle

Publications (1)

Publication Number Publication Date
JPH0516803A true JPH0516803A (en) 1993-01-26

Family

ID=15834501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16661091A Pending JPH0516803A (en) 1991-07-08 1991-07-08 Air conditioner for vehicle

Country Status (1)

Country Link
JP (1) JPH0516803A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005306165A (en) * 2004-04-20 2005-11-04 Denso Corp Roof-top mounting type air-conditioner for vehicle
JP2008302770A (en) * 2007-06-06 2008-12-18 Tokyu Car Corp Ceiling structure for rolling stock
JP2012144167A (en) * 2011-01-13 2012-08-02 Hitachi Ltd Railway car
WO2013038438A1 (en) * 2011-09-13 2013-03-21 三菱電機株式会社 Refrigeration and air-conditioning device
WO2013038439A1 (en) * 2011-09-13 2013-03-21 三菱電機株式会社 Refrigeration and air-conditioning device
KR20160142947A (en) * 2015-06-03 2016-12-14 갑을오토텍(주) Air cooling apparatus for railway vehicle
WO2020012627A1 (en) * 2018-07-13 2020-01-16 株式会社日立製作所 Railcar
WO2023242924A1 (en) * 2022-06-13 2023-12-21 三菱電機株式会社 Air conditioning device

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JPS491772A (en) * 1972-04-26 1974-01-09
JPS63287666A (en) * 1987-05-18 1988-11-24 Toshiba Corp Air conditioner of vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491772A (en) * 1972-04-26 1974-01-09
JPS63287666A (en) * 1987-05-18 1988-11-24 Toshiba Corp Air conditioner of vehicle

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005306165A (en) * 2004-04-20 2005-11-04 Denso Corp Roof-top mounting type air-conditioner for vehicle
JP2008302770A (en) * 2007-06-06 2008-12-18 Tokyu Car Corp Ceiling structure for rolling stock
JP2012144167A (en) * 2011-01-13 2012-08-02 Hitachi Ltd Railway car
JPWO2013038438A1 (en) * 2011-09-13 2015-03-23 三菱電機株式会社 Refrigeration air conditioner
WO2013038439A1 (en) * 2011-09-13 2013-03-21 三菱電機株式会社 Refrigeration and air-conditioning device
JP5661190B2 (en) * 2011-09-13 2015-01-28 三菱電機株式会社 Refrigeration air conditioner
WO2013038438A1 (en) * 2011-09-13 2013-03-21 三菱電機株式会社 Refrigeration and air-conditioning device
JPWO2013038439A1 (en) * 2011-09-13 2015-03-23 三菱電機株式会社 Refrigeration air conditioner
US9797648B2 (en) 2011-09-13 2017-10-24 Mitsubishi Electric Corporation Refrigerating and air-conditioning apparatus for use in a defrosting operation
US9835368B2 (en) 2011-09-13 2017-12-05 Mitsubishi Electric Corporation Refrigerating and air-conditioning apparatus for use in a defrosting operation
KR20160142947A (en) * 2015-06-03 2016-12-14 갑을오토텍(주) Air cooling apparatus for railway vehicle
WO2020012627A1 (en) * 2018-07-13 2020-01-16 株式会社日立製作所 Railcar
GB2590001A (en) * 2018-07-13 2021-06-16 Hitachi Ltd Railcar
GB2590001B (en) * 2018-07-13 2022-03-16 Hitachi Ltd Railcar
WO2023242924A1 (en) * 2022-06-13 2023-12-21 三菱電機株式会社 Air conditioning device

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