JPH0459428A - Air conditioner for high speed rolling stock - Google Patents
Air conditioner for high speed rolling stockInfo
- Publication number
- JPH0459428A JPH0459428A JP17148890A JP17148890A JPH0459428A JP H0459428 A JPH0459428 A JP H0459428A JP 17148890 A JP17148890 A JP 17148890A JP 17148890 A JP17148890 A JP 17148890A JP H0459428 A JPH0459428 A JP H0459428A
- Authority
- JP
- Japan
- Prior art keywords
- air conditioner
- air
- cover
- condenser fan
- pantagraph
- 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
Links
- 238000005096 rolling process Methods 0.000 title abstract 2
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 239000003507 refrigerant Substances 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は高速車両用空気調和機に係り、特に高速走行す
る鉄道車両においても十分な空調効率を保持できるよう
にした高速車両用空気調和機に関する。[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to an air conditioner for high-speed vehicles, and particularly to a high-speed vehicle that can maintain sufficient air conditioning efficiency even in high-speed railway vehicles. Regarding vehicle air conditioners.
（従来の技術）
一般に、２１０ｋｍ／ｈ以上のスピードで走行するよう
な高速鉄道車両では車両屋根に据付けられたパンタグラ
フに相当大きな風切り音か発生する。(Prior Art) Generally, in high-speed railway vehicles that run at speeds of 210 km/h or more, considerable wind noise is generated from the pantograph installed on the roof of the vehicle.
この風切り音による騒音を防止するために上記車両の屋
根部には上記パンタグラフの周囲を包囲するパンタカバ
ーが設置されている。また、上記屋根部には車内を冷房
するだめの空気調和機も装備されている。In order to prevent noise caused by wind noise, a pantograph cover that surrounds the pantograph is installed on the roof of the vehicle. The roof is also equipped with an air conditioner to cool the inside of the car.
第４図は従来のこの種の高速車両の屋根部の一部を示し
たもので、図中符号１１は屋根部を示しており、この屋
根部は一部が低（なっており、低屋根部１２が設けられ
ている。この低屋根部１２に上記空気調和機１３が設置
されている。この空気調和機１３は第５図及び第５図に
示したように室内機１４、圧縮機１５及び室外機１６と
から構成されており、さらにこれらは外形カバー１７に
より一体的に覆われている。また、上記室外機１６には
コンデンサファン１８が上方に向けて設けられている。Fig. 4 shows a part of the roof of a conventional high-speed vehicle of this type. In the figure, reference numeral 11 indicates the roof, and this roof has a low roof. The air conditioner 13 is installed in this low roof portion 12.The air conditioner 13 has an indoor unit 14, a compressor 15, and a compressor 15 as shown in FIGS. and an outdoor unit 16, which are further integrally covered by an outer cover 17. Further, the outdoor unit 16 is provided with a condenser fan 18 facing upward.
このコンデンサファン１８は室外側熱交換器１９からの
放熱空気を車外に吐出する役割を果たしている。This condenser fan 18 plays the role of discharging heat radiation air from the outdoor heat exchanger 19 to the outside of the vehicle.
また、上記室外機１６は上面か室外機カバー２０により
覆われ、この室外機カバー２０の上記コンデンサファン
１８の位置には吹出口２１が設けられている。さらにこ
の吹出口２１には吹出ダクト２２が形成されていて、上
記コンデンサファン１８からの放熱空気を上方に案内す
るようになっている。Further, the outdoor unit 16 is covered on its upper surface by an outdoor unit cover 20, and an air outlet 21 is provided in the outdoor unit cover 20 at the position of the condenser fan 18. Furthermore, a blow-off duct 22 is formed in the blow-off port 21, and is configured to guide heat radiation air from the condenser fan 18 upward.
一方、上記屋根部１１の端部には集電用のパンタグラフ
２３が固着されている。このパンタグラフ２３は周囲が
パンタカバー２４により所定距離をあけて包囲されてい
る。このパンタカバー２４は樹脂強化プラスチック等に
より成形された一体部品で、走行時に屋根表面を滑るよ
うに後方に流れる相対風の向きを上方に向けることかで
きる。On the other hand, a pantograph 23 for collecting current is fixed to the end of the roof 11. This pantograph 23 is surrounded by a pantograph cover 24 at a predetermined distance. The pantograph cover 24 is an integral part molded from resin-reinforced plastic or the like, and can direct the relative wind upward as it slides backwards on the roof surface when the vehicle is running.
これにより上記パンタグラフ２３による風切り音が減少
する。This reduces wind noise caused by the pantograph 23.
（発明が解決しようとする課題）
しかしながら、上述の構造による空気調和機では第４図
に示したように車両の上り運用時において、上記コンデ
ンサファンの吹出口が走行時に発生する相対風に直接さ
らされる。このため上記コンデンサファンの吐出側と流
入側との静圧差が相当低下し、上記コンデンサファンか
らの吹出風量が半減してしまうという問題がある。この
ため上記空気調和機の冷凍サイクルの冷媒圧力が上昇し
てしまい、空気調和機に備えられた安全装置か作動して
、上記空気調和機の運転が停止してしまうおそれかある
。(Problem to be Solved by the Invention) However, in the air conditioner having the above-described structure, when the vehicle is running uphill, the outlet of the condenser fan is directly exposed to the relative wind generated when the vehicle is running. It will be done. Therefore, there is a problem in that the static pressure difference between the discharge side and the inflow side of the condenser fan is considerably reduced, and the amount of air blown from the condenser fan is halved. As a result, the refrigerant pressure in the refrigeration cycle of the air conditioner increases, and there is a risk that a safety device provided in the air conditioner will be activated, causing the air conditioner to stop operating.
そこで、本発明の目的は、上述した従来の技術が有する
問題点を解消し、車両の高速走行時にも十分な空調効率
を保持できる高速車両用の空気調和機を提供することに
ある。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an air conditioner for high-speed vehicles that can eliminate the problems of the conventional techniques described above and maintain sufficient air-conditioning efficiency even when the vehicle is running at high speed.
（課題を解決するための手段）
上記目的を達成するために、本発明は屋根の一部に据付
けられたパンタグラフと空気調和機本体とを一体的に包
囲するパンタカバーと、上記空気調和機の室外機上部の
吹出口の上方に突設させたコンデンサファンの定格風量
を確保可能な所定高さに設定した吹出ダクトとを設けた
ことを特徴とするものである。(Means for Solving the Problems) In order to achieve the above object, the present invention provides a pantograph cover that integrally surrounds a pantograph installed on a part of the roof and an air conditioner main body, and a This device is characterized by being provided with a blow-off duct set at a predetermined height that can ensure the rated air volume of a condenser fan protruding above the blow-off port at the top of the outdoor unit.
（作 用）
本発明によれば、パンタカバーにより高速車両の屋根部
に据付けられたパンタグラフと空気調和機本体とを一体
的に包囲し、上記空気調和機の室外機上部の吹出口の上
方に突設させたコンデンサファンの定格風量を確保てき
るような所定高さに設定した吹出ダクトを室外機カバー
に取着したので、上記コンデンサファンの吐出側と流入
側との静圧差を十分確保できるとともに、放熱空気を低
圧力帯に放出でき、上記コンデンサファンの定格風量を
確保することができる。(Function) According to the present invention, the pantograph installed on the roof of a high-speed vehicle and the main body of the air conditioner are integrally surrounded by the pantograph cover, and the pantograph is placed above the air outlet at the top of the outdoor unit of the air conditioner. A blowout duct set at a predetermined height to ensure the rated air volume of the protruding condenser fan is attached to the outdoor unit cover, making it possible to ensure a sufficient static pressure difference between the discharge side and the inflow side of the condenser fan. At the same time, heat radiation air can be discharged to a low pressure zone, and the rated air volume of the condenser fan can be secured.
（実施例）
以下本発明による高速車両用空気調和機の一実施例を第
１図を参照して説明する。(Example) An example of an air conditioner for a high-speed vehicle according to the present invention will be described below with reference to FIG.
第１図において、図中符号１は屋根部を示しており、こ
の屋根部１は従来例と同様に一部が低くなっており、低
屋根部２が設けられている。この低屋根部２には従来例
と同様に空気調和機３が設置され、さらに上記屋根部１
の端部にはパンタグラフ４が固着されている。そして上
記空気調和機３とパンタグラフ４の両方を一体的に包囲
するようにパンタカバー５が設置されている。このため
、走行時に屋根部表面付近に発生した後方への相対風は
上記パンタカバー５の前面で上方に向きを変えられ、上
記パンタカバー５に囲まれた範囲内では上記相対風の影
響が減少する。In FIG. 1, reference numeral 1 indicates a roof portion, and this roof portion 1 is partially lowered, as in the conventional example, and a low roof portion 2 is provided. An air conditioner 3 is installed in this low roof part 2 as in the conventional example, and furthermore, the roof part 1
A pantograph 4 is fixed to the end of the pantograph. A pantograph cover 5 is installed so as to integrally surround both the air conditioner 3 and the pantograph 4. Therefore, the backward relative wind generated near the roof surface when driving is redirected upward at the front of the pantograph cover 5, and the influence of the relative wind is reduced within the area surrounded by the pantograph cover 5. do.
一方、上記空気調和機３の本体部は第５図及び第６図に
示した従来のものと同様の構成からなり、室外機６の上
面は室外機カバー７により覆われ、この室外機カバー７
には吹出口８か設けられている。さらにこの吹出口８に
は上記コンデンサファン９からの放熱空気を上方に案内
する吹出ダクト１０か固着されている。この吹出ダクト
１０のダクト高さＨは約２００關で、従来のダクト高さ
のほぼ４倍の高さのものが設置されている。On the other hand, the main body of the air conditioner 3 has the same structure as the conventional one shown in FIGS. 5 and 6, and the upper surface of the outdoor unit 6 is covered with an outdoor unit cover 7.
There are 8 air outlets. Further, a blowout duct 10 is fixed to the blowout port 8 for guiding the heat radiation air from the condenser fan 9 upward. The height H of this blow-out duct 10 is approximately 200 mm, which is approximately four times the height of a conventional duct.
上記高さを有する吹出ダクト１０を室外機カバー７に取
着することにより、上記コンデンサファン９からの放熱
空気を上方の低圧力帯まで案内することができ、上記コ
ンデンサファン９の吐田側と流入側との静圧差を十分確
保できる。By attaching the blow-off duct 10 having the above-mentioned height to the outdoor unit cover 7, the heat radiation air from the condenser fan 9 can be guided to the upper low pressure zone, and the air can be connected to the discharge side of the condenser fan 9 and the inflow. A sufficient static pressure difference between the two sides can be ensured.
このとき、上記パンタカバー５で囲まれた状態での空気
調和機３のコンデンサファン９の吹出ダクト１０のダク
ト高さＨとコンデンサファン９の吐出風量Ｑとの関係は
第３図のように示される。At this time, the relationship between the duct height H of the outlet duct 10 of the condenser fan 9 of the air conditioner 3 and the discharge air volume Q of the condenser fan 9 when surrounded by the pantograph cover 5 is shown in FIG. It will be done.
したがって、上述のようにダクト高さＨを約２００ｍｍ
にすることにより上記コンデンサファン定格風量（Ｑ−
１９０ｍ” ７分）を確保することができる。Therefore, as mentioned above, the duct height H should be approximately 200 mm.
By setting the above rated air volume of the capacitor fan (Q-
190m” (7 minutes).
なお、上記パンタカバー５の形状については車両の走行
時に上記空気調和機３の直上を流れる風と上記パンタグ
ラフ４を横切る風とを減少させ、両者を一体的に包囲で
きるものであれば、カバーの一部に切欠きを設けたり、
分割形状にすることもできる。Regarding the shape of the pantograph cover 5, as long as it can reduce the wind flowing directly above the air conditioner 3 and the wind crossing the pantograph 4 while the vehicle is running, and can integrally surround both, the shape of the cover can be changed. Make a notch in a part,
It can also be made into a divided shape.
以上の説明から明らかなように、本発明によればパンタ
グラフと空気調和機本体とを一体的に包囲するパンタカ
バーと、上記空気調和機の室外機上部の吹出口の上方に
突設させたコンデンサファンの定格風量を確保できるよ
うな所定高さに設定した吹出ダクトを設けたことにより
高速走行時においても上記コンデンサファンの定格風量
を確保てきるので、空気調和機の冷媒圧力を適正に制御
でき、これにより十分な空調効率を保持てきるという効
果を奏する。As is clear from the above description, according to the present invention, there is provided a pantograph cover that integrally surrounds a pantograph and an air conditioner main body, and a capacitor that is protruded above the air outlet at the top of the outdoor unit of the air conditioner. By installing a blowout duct set at a predetermined height to ensure the rated air volume of the fan, the rated air volume of the condenser fan can be secured even when driving at high speeds, so the refrigerant pressure of the air conditioner can be properly controlled. This has the effect of maintaining sufficient air conditioning efficiency.
第１図は本発明による高速車両用空気調和機の一実施例
を示した概略正面図、第２図は本発明による空気調和機
の一実施例を示した正面図、第３図は吹出ダクト高さＨ
とコンデンサファン吐出風量Ｑとの関係を示した特性図
、第４図は従来の高速車両用空気調和機の一例を示した
概略正面図、第５図は従来の空気調和機の一例を示した
平面図、第６図は従来の空気調和機の一例を示した正平
面図である。
１・・・屋根部、３・・・空気調和機、４・・・パンタ
グラフ、５・・・パンタカバー、６・・室外機、７・・
・室外機カバー、８・・・吹出口、９・・・コンデンサ
ファン、］０・・・吹出ダクト。FIG. 1 is a schematic front view showing an embodiment of the air conditioner for high-speed vehicles according to the present invention, FIG. 2 is a front view showing an embodiment of the air conditioner according to the present invention, and FIG. 3 is a schematic front view showing an embodiment of the air conditioner for high-speed vehicles according to the present invention. Height H
Figure 4 is a schematic front view showing an example of a conventional air conditioner for high-speed vehicles, and Figure 5 is an example of a conventional air conditioner. FIG. 6 is a front plan view showing an example of a conventional air conditioner. 1... Roof, 3... Air conditioner, 4... Pantograph, 5... Pantograph cover, 6... Outdoor unit, 7...
・Outdoor unit cover, 8...Air outlet, 9...Condenser fan, ]0...Blowout duct.
Claims (1)
本体とを一体的に包囲するパンタカバーと、上記空気調
和機の室外機上部の吹出口の上方に突設させたコンデン
サファンの定格風量を確保可能な所定高さに設定した吹
出ダクトとを設けたことを特徴とする高速車両用空気調
和機。A pantograph cover that integrally surrounds the pantograph installed on a part of the roof and the air conditioner body, and a condenser fan protruding above the air outlet at the top of the outdoor unit of the air conditioner ensure the rated air volume. An air conditioner for a high-speed vehicle, characterized in that it is provided with a blow-off duct set at a predetermined height possible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17148890A JPH0459428A (en) | 1990-06-29 | 1990-06-29 | Air conditioner for high speed rolling stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17148890A JPH0459428A (en) | 1990-06-29 | 1990-06-29 | Air conditioner for high speed rolling stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0459428A true JPH0459428A (en) | 1992-02-26 |
Family
ID=15924029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17148890A Pending JPH0459428A (en) | 1990-06-29 | 1990-06-29 | Air conditioner for high speed rolling stock |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0459428A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011213206A (en) * | 2010-03-31 | 2011-10-27 | Hitachi Ltd | Air-conditioner for railroad vehicle |
-
1990
- 1990-06-29 JP JP17148890A patent/JPH0459428A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011213206A (en) * | 2010-03-31 | 2011-10-27 | Hitachi Ltd | Air-conditioner for railroad vehicle |
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