JP2001148590A - Cooling system in housing - Google Patents
Cooling system in housingInfo
- Publication number
- JP2001148590A JP2001148590A JP32824999A JP32824999A JP2001148590A JP 2001148590 A JP2001148590 A JP 2001148590A JP 32824999 A JP32824999 A JP 32824999A JP 32824999 A JP32824999 A JP 32824999A JP 2001148590 A JP2001148590 A JP 2001148590A
- Authority
- JP
- Japan
- Prior art keywords
- air
- auxiliary
- housing
- cooling system
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、空調機（エアコ
ン）と、熱交換器によって内気を冷却する補助冷却装置
とを併用して、筐体内を冷却する筐体内冷却システムに
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-housing cooling system for cooling an inside of a housing by using an air conditioner (air conditioner) and an auxiliary cooling device for cooling the inside air by a heat exchanger.
【０００２】[0002]
【従来の技術】例えば、電話基地局等の様に、電子機器
やその他の発熱体を筐体内に格納して使用する場合があ
る。この筐体内を冷却する技術として、空調機と補助冷
却装置とを併用させると、空調機の負荷が減るため、空
調機の長寿命化を図ることができるとともに、筐体内冷
却システム全体としてもエネルギー消費量を減らせるこ
とができる。2. Description of the Related Art For example, electronic equipment and other heating elements such as telephone base stations may be stored in a housing and used. As a technology for cooling the inside of the housing, if an air conditioner and an auxiliary cooling device are used in combination, the load on the air conditioner is reduced, so that the life of the air conditioner can be extended, and the entire cooling system in the housing can also use energy. Consumption can be reduced.
【０００３】[0003]
【発明が解決しようとする課題】しかし、空調機が発熱
体によって温められた空気を直接吸い込んで冷却する場
合では、空調機の負荷が大きく、空調機の稼働率が低減
しなくなる。すると、空調機の長寿命化が図れなくなる
とともに、エネルギー消費量の低減化も図れなくなって
しまう。本発明は、上記の事情に基づいて成されたもの
であり、その目的は、空調機と補助冷却装置とを併用す
る場合において、空調機の負荷を小さくし、空調機の長
寿命化を図るとともに、エネルギー消費量の低減化も図
ることができる筐体内冷却システムの提供にある。However, in the case where the air conditioner directly cools the air heated by the heating element to cool the air conditioner, the load on the air conditioner is large and the operation rate of the air conditioner does not decrease. Then, the life of the air conditioner cannot be prolonged, and the energy consumption cannot be reduced. The present invention has been made based on the above circumstances, and an object of the present invention is to reduce the load on an air conditioner and extend the life of the air conditioner when using the air conditioner and an auxiliary cooling device together. Another object of the present invention is to provide an in-housing cooling system capable of reducing energy consumption.
【０００４】[0004]
【課題を解決するための手段】請求項１〜５の発明で
は、空調機の内気吸込口の上流に、補助冷却装置の内気
吹出口を設置したことを特徴としている。このように設
けることによって、補助冷却装置で冷却された内気が空
調機の内気吸込口に導かれるため、空調機の負荷が小さ
くなる。これによって、空調機の稼働率が下がり、空調
機の長寿命化を図ることができるとともに、エネルギー
消費量の低減化も図ることができる。The invention according to claims 1 to 5 is characterized in that an inside air outlet of an auxiliary cooling device is installed upstream of an inside air suction port of an air conditioner. With this provision, the inside air cooled by the auxiliary cooling device is guided to the inside air suction port of the air conditioner, so that the load on the air conditioner is reduced. As a result, the operating rate of the air conditioner decreases, the life of the air conditioner can be extended, and the energy consumption can be reduced.
【０００５】なお、請求項２の発明のごとく、補助冷却
装置の内気吹出口に、吹き出される内気を空調機の内気
吸込口に向ける冷気風向手段（ルーバやダクト等）を設
けても良い。空調機と補助冷却装置とを併設した既存の
システムに、冷気風向手段を設ける追加工事を施すこと
によって、本発明の効果を得ることが可能になる。[0005] As in the second aspect of the invention, the inside air outlet of the auxiliary cooling device may be provided with a cool air direction means (louvers, ducts, etc.) for directing the blown inside air to the inside air suction port of the air conditioner. The effect of the present invention can be obtained by performing an additional construction for providing a cool air direction means to an existing system provided with an air conditioner and an auxiliary cooling device.
【０００６】また、請求項３、４の発明のごとく、補助
冷却装置は、内気と外気とを隔壁を隔てて熱交換する気
対気熱交換器を用いても良いし、内気と伝熱媒体とを熱
交換して内部の液熱媒を沸騰させる内気側熱交換器と、
外気と蒸気熱媒とを熱交換して蒸気熱媒を液化する外気
側熱交換器とからなる沸騰冷却器またはヒートパイプを
用いても良い。また、請求項５の発明のごとく、沸騰冷
却器またはヒートパイプを用いる場合、空調機の内気吸
込ダクト内に、内気側熱交換器を配置しても良い。According to the third and fourth aspects of the present invention, the auxiliary cooling device may use an air-to-air heat exchanger for exchanging heat between the inside air and the outside air across a partition, or the inside air and the heat transfer medium. And an inside air side heat exchanger for exchanging heat with the inside to heat the internal liquid heat medium,
A boiling cooler or a heat pipe including an outside air side heat exchanger for liquefying the steam heat medium by exchanging heat between the outside air and the steam heat medium may be used. When a boiling cooler or a heat pipe is used, an inside air heat exchanger may be arranged in the inside air suction duct of the air conditioner.
【０００７】[0007]
【発明の実施の形態】（第１実施形態）図１は筐体内冷
却システムのレイアウトを示す電話基地局１の概略面図
である。電話基地局１は、密閉空間を形成する筐体２の
床上に、送受信機やパワーアンプ等の電子機器などより
なる発熱体を格納する電子機器ラック３を配置したもの
であり、筐体内冷却システムは筐体２内の密閉空間を冷
却するもので、空調機４と補助冷却装置５とからなる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) FIG. 1 is a schematic plan view of a telephone base station 1 showing a layout of a cooling system in a housing. The telephone base station 1 has an electronic equipment rack 3 for storing a heating element composed of electronic equipment such as a transceiver and a power amplifier on the floor of a housing 2 forming an enclosed space. Is for cooling an enclosed space in the housing 2 and is composed of an air conditioner 4 and an auxiliary cooling device 5.
【０００８】空調機４は、図示しない冷凍サイクルを搭
載して吹き出す空気を冷却するもので、筐体２内の温度
が所定の空調起動温度より高くなると作動するように設
けられている。この空調機４は、筐体２の天井下面に取
り付けられる天井設置タイプであり、その空調吸込口４
ａ（内気吸込口に相当する）と、空調吹出口４ｂとは、
対向位置に設けられたタイプであり、空調吹出口４ｂ
は、吹き出される冷風（以下、空調冷風という）が電子
機器ラック３の図示左側面下部に設けられたラック吸込
口３ａに向くように、図示左向きに取り付けられてい
る。The air conditioner 4 is provided with a refrigeration cycle (not shown) for cooling the air to be blown out, and is provided so as to operate when the temperature in the housing 2 becomes higher than a predetermined air conditioning starting temperature. The air conditioner 4 is of a ceiling installation type attached to the lower surface of the ceiling of the housing 2, and has an air conditioning inlet 4.
a (corresponding to the inside air suction port) and the air conditioning outlet 4b
It is a type provided at the opposing position, and the air conditioning outlet 4b
Is mounted to the left in the drawing such that the cool air to be blown out (hereinafter referred to as air-conditioning cool air) faces the rack suction port 3a provided in the lower part on the left side of the electronic device rack 3 in the drawing.
【０００９】電子機器ラック３は、上述のように、図示
左側面下部にラック吸込口３ａが設けられ、そこから空
調冷風を吸い込むようになっている。また、電子機器ラ
ック３は、図示右側面上部にラック吹出口３ｂが設けら
れ、そこから電子機器ラック３の内部の熱気を筐体２内
に排出するように設けられている。なお、ラック吸込口
３ａには、上向きに開口するラック吸込ルーバ６が取り
付けられており、このラック吸込ルーバ６によって空調
機４から吹き出された空調冷風の導入をスムーズにして
いる。また、ラック吹出口３ｂには、下向きに開口する
ラック吹出ルーバ７およびガイド板８が取り付けられて
おり、このラック吹出ルーバ７とガイド板８によって電
子機器ラック３から流出する熱風を補助冷却装置５の補
助吸込口５ａに向くように設けられている。As described above, the electronic equipment rack 3 is provided with a rack suction port 3a at the lower portion on the left side in the figure, and sucks air-conditioning cool air therefrom. In addition, the electronic equipment rack 3 is provided with a rack outlet 3b at an upper part on the right side in the figure, and is provided so that hot air inside the electronic equipment rack 3 is discharged into the housing 2 therefrom. A rack suction louver 6 that opens upward is attached to the rack suction port 3a, and the rack suction louver 6 smoothly introduces the air-conditioned cold air blown out from the air conditioner 4. A rack outlet louver 7 and a guide plate 8 which are opened downward are attached to the rack outlet 3b, and the auxiliary air cooler 5 uses the rack outlet louver 7 and the guide plate 8 to remove the hot air flowing out of the electronic equipment rack 3. Is provided so as to face the auxiliary suction port 5a.
【００１０】補助冷却装置５は、図２に示すように、筐
体２外の外気と筐体２内の内気とを熱交換して、内気を
冷却する気対気熱交換器９（エア・ツゥ・エア熱交換
器）を搭載するものであって、補助冷却装置５は、熱交
換器９の他に、内気を熱交換器９に供給する内気ファン
１０、および外気を熱交換器９に供給する外気ファン１
１を備えるものである。この気対気熱交換器９は、主に
熱伝導性に優れた金属材料（例えば、アルミニウムや黄
銅など）によって形成されるものであり、図３に示すよ
うに、外気が流れる外気通路Ａと、内気が流れる内気通
路Ｂとが、隔壁９ａを介して交互に多数配置されたもの
である。As shown in FIG. 2, the auxiliary cooling device 5 exchanges heat between the outside air outside the housing 2 and the inside air inside the housing 2 to cool the inside air. The auxiliary cooling device 5 includes, in addition to the heat exchanger 9, an inside air fan 10 that supplies inside air to the heat exchanger 9 and an outside air to the heat exchanger 9. Supply outside air fan 1
1 is provided. The air-to-air heat exchanger 9 is mainly formed of a metal material having excellent thermal conductivity (for example, aluminum or brass). As shown in FIG. , And a number of inside air passages B through which inside air flows are alternately arranged via partition walls 9a.
【００１１】この補助冷却装置５は、図１に示すよう
に、電子機器ラック３のラック吹出口３ｂに対向した位
置に取り付けられるものであり、図示左側面下部には、
電子機器ラック３のラック吹出口３ｂから吹き出された
熱風を吸い込むための補助吸込口５ａが設けられてい
る。また、補助冷却装置５の図示左側面上部には、熱交
換器９を通過して冷却された冷風（以下、補助冷風）を
吹き出すための補助吹出口５ｂ（内気吹出口に相当す
る）が設けられている。As shown in FIG. 1, the auxiliary cooling device 5 is mounted at a position facing the rack outlet 3b of the electronic equipment rack 3.
An auxiliary suction port 5a for sucking hot air blown out from the rack outlet 3b of the electronic equipment rack 3 is provided. Further, an auxiliary outlet 5b (corresponding to an inside air outlet) for blowing out cool air (hereinafter, auxiliary cool air) cooled by passing through the heat exchanger 9 is provided at the upper part of the left side of the auxiliary cooling device 5 in the figure. Have been.
【００１２】なお、補助吸込口５ａには、上向きに開口
する補助吸込ルーバ１２が取り付けられており、この補
助吸込ルーバ１２によって電子機器ラック３のラック吹
出口３ｂから吹き出された熱風の導入をスムーズにして
いる。また、補助吹出口５ｂにも、上向きに開口する補
助吹出ルーバ１３（冷気風向手段に相当する）が取り付
けられており、この補助吹出ルーバ１３によって補助冷
却装置５から吹き出される補助冷風を空調機４の空調吸
込口４ａに向くように設けられている。An auxiliary suction louver 12 which opens upward is attached to the auxiliary suction port 5a, and the auxiliary suction louver 12 smoothly introduces hot air blown out from the rack outlet 3b of the electronic equipment rack 3. I have to. An auxiliary outlet louver 13 (corresponding to a cool air direction means) which opens upward is also attached to the auxiliary outlet 5b. The auxiliary cool air blown from the auxiliary cooling device 5 by the auxiliary outlet louver 13 is supplied to the air conditioner. 4 is provided so as to face the air conditioning inlet 4a.
【００１３】このように、空調機４は、補助冷却装置５
から吹き出される内気の下流側に配置されるものであ
り、言い換えると空調機４の空調吸込口４ａの上流に、
補助冷却装置５の補助吹出口５ｂ（内気吹出口に相当す
る）を設置したものであり、補助冷却装置５で冷却され
た補助冷風を空調機４が吸い込むように設けられてい
る。As described above, the air conditioner 4 includes the auxiliary cooling device 5
It is arranged on the downstream side of the inside air blown out from the air conditioner, in other words, upstream of the air conditioning suction port 4a of the air conditioner 4,
An auxiliary outlet 5b (corresponding to an inside air outlet) of the auxiliary cooling device 5 is provided, and is provided so that the air conditioner 4 sucks the auxiliary cool air cooled by the auxiliary cooling device 5.
【００１４】次に、本実施形態に係る筐体内冷却システ
ムの特徴的作動を述べる。電子機器ラック３内に搭載さ
れた電子機器類の稼働に伴い、電子機器ラック３内の空
気が加熱され、その熱風がラック吹出口３ｂから吹き出
される。その熱風は、ラック吹出ルーバ７とガイド板８
によって、補助冷却装置５の補助吸込口５ａに向けて吹
き出される。Next, the characteristic operation of the in-housing cooling system according to this embodiment will be described. With the operation of the electronic devices mounted in the electronic device rack 3, the air in the electronic device rack 3 is heated, and the hot air is blown out from the rack outlet 3b. The hot air is supplied to the rack outlet louver 7 and the guide plate 8.
Accordingly, the air is blown out toward the auxiliary suction port 5a of the auxiliary cooling device 5.
【００１５】ラック吹出口３ｂから補助吸込口５ａに向
けて吹き出された熱風は、補助吸込口５ａに取り付けら
れた補助吸込ルーバ１２によって、効率良く補助冷却装
置５内に吸い込まれる。そして、補助冷却装置５内の熱
交換器９で冷却された補助冷風は、補助吹出口５ｂから
吹き出される。その補助冷風は、補助吹出ルーバ１３に
よって、空調機４の空調吸込口４ａに向けて吹き出され
る。The hot air blown out from the rack outlet 3b toward the auxiliary suction port 5a is efficiently sucked into the auxiliary cooling device 5 by the auxiliary suction louver 12 attached to the auxiliary suction port 5a. The auxiliary cool air cooled by the heat exchanger 9 in the auxiliary cooling device 5 is blown out from the auxiliary outlet 5b. The auxiliary cold air is blown out by the auxiliary blowout louver 13 toward the air conditioning inlet 4a of the air conditioner 4.
【００１６】補助吹出口５ｂから空調吸込口４ａに向け
て補助冷風が吹き出されたことにより、補助冷風が効率
良く空調機４に吸い込まれる。空調機４に吸い込まれる
補助冷風の温度が空調起動温度以上の場合は、空調機４
が起動し、補助冷風を更に冷却して空調吹出口４ｂから
吹き出される。そして、空調吹出口４ｂから吹き出され
た空調冷風は、電子機器ラック３のラック吸込口３ａに
向かい、ラック吸込口３ａのラック吸込ルーバ６によっ
て空調冷風がスムーズに電子機器ラック３内に吸い込ま
れ、電子機器ラック３内の温度上昇を防ぐ。Since the auxiliary cool air is blown out from the auxiliary air outlet 5b toward the air conditioning inlet 4a, the auxiliary cool air is efficiently sucked into the air conditioner 4. If the temperature of the auxiliary cool air sucked into the air conditioner 4 is equal to or higher than the air conditioning start temperature, the air conditioner 4
Is activated, and the auxiliary cold air is further cooled and blown out from the air conditioning outlet 4b. The air-conditioned cold air blown out from the air-conditioning outlet 4b is directed toward the rack suction port 3a of the electronic equipment rack 3, and the air-conditioned cold air is smoothly sucked into the electronic equipment rack 3 by the rack suction louver 6 of the rack suction port 3a. The temperature rise in the electronic equipment rack 3 is prevented.
【００１７】次に、本実施形態の特徴を述べる。上記の
作動で示したように、電子機器ラック３内で発生した熱
気が効率良く補助冷却装置５に導かれて冷却されるた
め、補助冷却装置５で効率の良い熱交換が行えるととも
に、その補助冷却装置５で冷却された補助冷風が効率良
く空調機４の空調吸込口４ａに導かれるため、空調機４
の負荷が低減し、空調機４の稼働率を下げることができ
る。これによって、空調機４の長寿命化を図ることがで
きるとともに、筐体内冷却システム全体としてのエネル
ギー消費量を低くすることができ、ランニングコストを
抑えることができる。Next, the features of this embodiment will be described. As shown in the above operation, the hot air generated in the electronic equipment rack 3 is efficiently guided to the auxiliary cooling device 5 to be cooled, so that the auxiliary cooling device 5 can perform efficient heat exchange, Since the auxiliary cold air cooled by the cooling device 5 is efficiently guided to the air conditioning suction port 4a of the air conditioner 4, the air conditioner 4
, And the operating rate of the air conditioner 4 can be reduced. As a result, the life of the air conditioner 4 can be extended, the energy consumption of the entire in-housing cooling system can be reduced, and the running cost can be reduced.
【００１８】（第２実施形態）上記の第１実施形態で
は、空調機４を筐体２の天井略中央に配置した例を示し
たが、他のレイアウトを採用して本発明を適用しても良
い。つまり、例えば、図４に示すように、空調吹出口４
ｂが下方に向けられた空調機４を、電子機器ラック３の
ラック吸込口３ａの上方に設置して、空調吹出口４ｂか
ら吹き出される空調冷風を効率良くラック吸込口３ａに
導くようにレイアウトしても良い。(Second Embodiment) In the above-described first embodiment, an example is shown in which the air conditioner 4 is disposed substantially at the center of the ceiling of the housing 2, but the present invention is applied by adopting another layout. Is also good. That is, for example, as shown in FIG.
The air conditioner 4 whose b is directed downward is installed above the rack inlet 3a of the electronic equipment rack 3 so that the conditioned air blown out from the air outlet 4b is efficiently guided to the rack inlet 3a. You may.
【００１９】（第３実施形態）上記の第１、２実施形態
では、補助冷却装置５に気対気熱交換器９（エア・ツゥ
・エア熱交換器）を用いた例を示したが、図５に示すよ
うに、内気と伝熱媒体とを熱交換して内部の液熱媒を沸
騰させる内気側熱交換器１４と、外気と蒸気熱媒とを熱
交換して蒸気熱媒を液化する外気側熱交換器１５とから
なる沸騰冷却器１６（あるいはヒートパイプ）を用いて
も良い。(Third Embodiment) In the first and second embodiments, an example is shown in which an air-to-air heat exchanger 9 (air-to-air heat exchanger) is used as the auxiliary cooling device 5, As shown in FIG. 5, the inside air heat exchanger 14 for exchanging heat between the inside air and the heat transfer medium to boil the inside liquid heat medium, and the outside air and the steam heat medium for heat exchange between the outside air and the steam heat medium to liquefy the steam heat medium. Alternatively, a boiling cooler 16 (or a heat pipe) including the outside air heat exchanger 15 may be used.
【００２０】この沸騰冷却器１６を用いた筐体内冷却シ
ステムのレイアウトの一例を図６に示す。この実施形態
でも、ラック吹出口３ｂから吹き出される熱風がラック
吹出ルーバ７によって内気側熱交換器１４に向けられ、
内気側熱交換器１４を通過した補助冷風が空調機４の空
調吸込口４ａに向けられるものである。つまり、この実
施形態でも、空調吸込口４ａの上流に補助冷却装置５の
補助吹出部（内気吹出口に相当する）が設置されたもの
であり、補助冷却装置５で冷却された補助冷風が空調機
４に吸い込まれる。FIG. 6 shows an example of a layout of an in-chassis cooling system using the boiling cooler 16. Also in this embodiment, the hot air blown out from the rack outlet 3b is directed to the inside air side heat exchanger 14 by the rack outlet louver 7,
The auxiliary cold air that has passed through the inside air heat exchanger 14 is directed to the air conditioning suction port 4 a of the air conditioner 4. That is, also in this embodiment, the auxiliary blow-out portion (corresponding to the inside air outlet) of the auxiliary cooling device 5 is installed upstream of the air-conditioning suction port 4a, and the auxiliary cool air cooled by the auxiliary cooling device 5 is air-conditioned. It is sucked into the machine 4.
【００２１】この沸騰冷却器１６は、図７に示すもので
あり、内気側熱交換器１４および外気側熱交換器１５の
他に、内気側熱交換器１４で沸騰気化した気化冷媒を外
気側熱交換器１５の上部へ導く蒸発側パイプ１７と、外
気側熱交換器１５で液化凝縮した液冷媒を内気側熱交換
器１４の下部へ戻す凝縮側パイプ１８とを備える。This boiling cooler 16 is shown in FIG. 7, and in addition to the inside air side heat exchanger 14 and the outside air side heat exchanger 15, the vaporized refrigerant boiled by the inside air side heat exchanger 14 is cooled to the outside air side. The heat exchanger includes an evaporating-side pipe leading to an upper portion of the heat exchanger, and a condensing-side pipe for returning a liquid refrigerant liquefied and condensed by the outside-air heat exchanger to a lower portion of the inside-air heat exchanger.
【００２２】内気側熱交換器１４および外気側熱交換器
１５の構造は、図７に示されるものであり、それぞれが
複数本のチューブと、各チューブの端を連通する上下タ
ンクと、各チューブ間に介在されたコルゲートフィンと
により構成されるもので、内部には冷媒（伝熱媒体に相
当する）が封入されている。この冷媒は、高温内気によ
って沸騰し、低温外気によって液化するもので、ＨＦＣ
−１３４ａ（化学式ＣＨ2 ＦＣＦ3 ）、低圧封入された
水、エチレングリコール水溶液等が用いられている。The structures of the inside air side heat exchanger 14 and the outside air side heat exchanger 15 are shown in FIG. 7, each of which has a plurality of tubes, upper and lower tanks communicating the ends of each tube, and each tube. A refrigerant (corresponding to a heat transfer medium) is enclosed inside the corrugated fin. This refrigerant is boiled by high temperature inside air and liquefied by low temperature outside air.
-134a (chemical formula: CH 2 FCF 3 ), low-pressure sealed water, an ethylene glycol aqueous solution and the like are used.
【００２３】沸騰冷却器１６の作動を説明する。内気側
熱交換器１４は、内気ファン１０の作動によって通過す
る熱風より熱を受けると内部の液冷媒が沸騰気化する。
この時通過する空気は気化熱が奪われて冷却されて空調
機４の空調吸込口４ａに向けて吹き出される。沸騰によ
って発生した気化冷媒は上昇し、外気ファン１１の作動
により低温外気に晒されて低温、低圧になっている外気
側熱交換器１５内に導かれる。外気側熱交換器１５内に
導かれた気化冷媒は、外気側熱交換器１５を通過する低
温外気に熱を奪われて外気側熱交換器１５のチューブ内
壁に液化凝縮し、自重により下部に滴下する。滴下した
液冷媒は、内気側熱交換器１４の下部に戻される。The operation of the boiling cooler 16 will be described. When the inside air heat exchanger 14 receives heat from the hot air passing by the operation of the inside air fan 10, the internal liquid refrigerant evaporates and evaporates.
At this time, the passing air is deprived of heat of vaporization and cooled, and is blown out toward the air conditioning inlet 4a of the air conditioner 4. The vaporized refrigerant generated by the boiling rises, is exposed to the low-temperature outside air by the operation of the outside air fan 11, and is guided into the outside air-side heat exchanger 15, which has a low temperature and a low pressure. The vaporized refrigerant guided into the outside air side heat exchanger 15 is deprived of heat by the low-temperature outside air passing through the outside air side heat exchanger 15 and liquefied and condensed on the inner wall of the tube of the outside air side heat exchanger 15, and due to its own weight, lowers at its lower part. Drip. The dropped liquid refrigerant is returned to the lower part of the inside air side heat exchanger 14.
【００２４】（第４実施形態）上記の第３実施形態で
は、空調機４および補助冷却装置５のレイアウトの一例
を示したものであり、他のレイアウトを採用しても良
い。つまり、例えば、図８に示すように、空調吸込口４
ａの直前（上流側）に補助冷却装置５の内気吹出部分
（内気吹出口と同等なものである）を配置して、補助冷
風が効率良く空調吸込口４ａに吸い込まれるようにレイ
アウトしても良い。その場合、図８に示すように、内気
側熱交換器１４に用いられるチューブやコルゲートフィ
ンを、補助冷風を空調機４の空調吸込口４ａに向ける冷
気風向手段として利用しても良い。(Fourth Embodiment) In the third embodiment, an example of the layout of the air conditioner 4 and the auxiliary cooling device 5 is shown, and another layout may be adopted. That is, for example, as shown in FIG.
Even if the inside air blowout portion (equivalent to the inside air blowout port) of the auxiliary cooling device 5 is arranged immediately before (upstream side) a, the auxiliary cool air can be efficiently sucked into the air-conditioning suction port 4a. good. In this case, as shown in FIG. 8, a tube or a corrugated fin used in the inside air heat exchanger 14 may be used as a cool air direction means for directing the auxiliary cool air toward the air conditioning inlet 4 a of the air conditioner 4.
【００２５】（第５実施形態）また、図９に示すよう
に、空調機４を筐体２の屋外に設置し、空調吸込口４ａ
および空調吹出口４ｂを、内気吸込ダクト１９および内
気吹出ダクト２０によって筐体２の内部と接続するレイ
アウトを採用しても良い。このような場合では、内気吸
込ダクト１９の内部に、上述した沸騰冷却器１６の内気
側熱交換器１４を配置し、空調吸込口４ａに吸入される
内気を沸騰冷却器１６によって冷却するように設けても
良い。この図９に示されるレイアウトでも、空調吸込口
４ａの上流に補助冷却装置５の内気吹出口が設置された
ものと同等であり、補助冷却装置５で冷却された補助冷
風が空調機４に吸い込まれる。(Fifth Embodiment) As shown in FIG. 9, the air conditioner 4 is installed outside the housing 2 and the air conditioner inlet 4a is installed.
Alternatively, a layout may be adopted in which the air conditioning outlet 4b is connected to the inside of the housing 2 by the inside air suction duct 19 and the inside air outlet duct 20. In such a case, the inside air side heat exchanger 14 of the above-mentioned boiling cooler 16 is arranged inside the inside air suction duct 19, and the inside air sucked into the air-conditioning suction port 4 a is cooled by the boiling cooler 16. May be provided. The layout shown in FIG. 9 is also equivalent to the layout in which the inside air outlet of the auxiliary cooling device 5 is installed upstream of the air conditioning suction port 4a, and the auxiliary cool air cooled by the auxiliary cooling device 5 is sucked into the air conditioner 4. It is.
【図１】筐体内冷却システムのレイアウト図である（第
１実施形態）。FIG. 1 is a layout diagram of a cooling system in a housing (first embodiment).
【図２】補助冷却装置の断面図である（第１実施形
態）。FIG. 2 is a sectional view of an auxiliary cooling device (first embodiment).
【図３】熱交換器の概略図である（第１実施形態）。FIG. 3 is a schematic diagram of a heat exchanger (first embodiment).
【図４】筐体内冷却システムのレイアウト図である（第
２実施形態）。FIG. 4 is a layout diagram of a cooling system in a housing (second embodiment).
【図５】補助冷却装置の概略図である（第３実施形
態）。FIG. 5 is a schematic view of an auxiliary cooling device (third embodiment).
【図６】筐体内冷却システムのレイアウト図である（第
３実施形態）。FIG. 6 is a layout diagram of a cooling system in a housing (third embodiment).
【図７】沸騰冷却器の断面図である（第３実施形態）。FIG. 7 is a sectional view of a boiling cooler (third embodiment).
【図８】筐体内冷却システムのレイアウト図である（第
４実施形態）。FIG. 8 is a layout diagram of a cooling system in a housing (fourth embodiment).
【図９】筐体内冷却システムのレイアウト図である（第
５実施形態）。FIG. 9 is a layout diagram of a cooling system in a housing (fifth embodiment).
２ 筐体 ３ 電子機器ラック ４ 空調機 ５ 補助冷却装置 ４ａ 空調吸込口（空調機の内気吸込口） ５ｂ 補助吹出口（補助冷却装置の内気吹出口） ９ 気対気熱交換器 ９ａ 隔壁 １３ 補助吹出ルーバ（冷気風向手段） １４ 内気側熱交換器 １５ 外気側熱交換器 １６ 沸騰冷却器 １９ 内気吸込ダクト 2 Case 3 Electronic equipment rack 4 Air conditioner 5 Auxiliary cooling device 4a Air conditioning inlet (inside air inlet of air conditioner) 5b Auxiliary outlet (inside air outlet of auxiliary cooling device) 9 Air-to-air heat exchanger 9a Partition wall 13 Auxiliary Blow-out louver (cool air direction means) 14 Inside air side heat exchanger 15 Outside air side heat exchanger 16 Boiling cooler 19 Inside air suction duct
───────────────────────────────────────────────────── フロントページの続き (72)発明者 樹下 浩次 愛知県刈谷市昭和町１丁目１番地 株式会 社デンソー内 Ｆターム(参考） 5E322 AA01 AA11 BA01 BA03 BA04 BA05 BB03 BB10 CA01 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Koji Kinoshita 1-1-1 Showa-cho, Kariya-shi, Aichi F-term in DENSO Corporation (Reference) 5E322 AA01 AA11 BA01 BA03 BA04 BA05 BB03 BB10 CA01
Claims (5)
冷却システムであって、 前記筐体内の内気を冷却して再び前記筐体内に吹き出す
空調機と、 前記筐体外の外気によって前記筐体内の内気を冷却する
補助冷却装置とを備え、 前記空調機の内気吸込口の上流に、前記補助冷却装置の
内気吹出口を設置したことを特徴とする筐体内冷却シス
テム。1. An in-housing cooling system that cools an inside of a housing that houses a heating element, wherein the air-conditioner cools inside air in the housing and blows the air back into the housing, and the outside air outside the housing. An internal cooling system comprising: an auxiliary cooling device that cools internal air in a body; and an internal air outlet of the auxiliary cooling device is installed upstream of an internal air suction port of the air conditioner.
を前記空調機の内気吸込口に向ける冷気風向手段が設け
られたことを特徴とする筐体内冷却システム。2. The internal cooling system according to claim 1, wherein a cool air direction means is provided at an inside air outlet of the auxiliary cooling device for directing the blown inside air to an inside air suction port of the air conditioner. Cooling system inside the housing.
テムにおいて、 前記補助冷却装置は、内気と外気とを隔壁を隔てて熱交
換する気対気熱交換器を搭載することを特徴とする筐体
内冷却システム。3. The in-housing cooling system according to claim 1, wherein the auxiliary cooling device is provided with an air-to-air heat exchanger for exchanging heat between inside air and outside air across a partition wall. Cooling system inside the housing.
テムにおいて、 前記補助冷却装置は、内気と伝熱媒体とを熱交換して内
部の液熱媒を沸騰させる内気側熱交換器と、外気と蒸気
熱媒とを熱交換して蒸気熱媒を液化する外気側熱交換器
とからなる沸騰冷却器またはヒートパイプを搭載するこ
とを特徴とする筐体内冷却システム。4. The internal cooling system according to claim 1, wherein the auxiliary cooling device exchanges heat between the internal air and the heat transfer medium to boil the internal liquid heat medium. A cooling system in a housing, comprising a boiling cooler or a heat pipe including an outside air heat exchanger for liquefying the steam heat medium by exchanging heat between the outside air and the steam heat medium.
を配置したことを特徴とする筐体内冷却システム。5. The in-housing cooling system according to claim 4, wherein the inside-air side heat exchanger is arranged in an inside-air suction duct of the air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32824999A JP4239328B2 (en) | 1999-11-18 | 1999-11-18 | Internal cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32824999A JP4239328B2 (en) | 1999-11-18 | 1999-11-18 | Internal cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001148590A true JP2001148590A (en) | 2001-05-29 |
| JP4239328B2 JP4239328B2 (en) | 2009-03-18 |
Family
ID=18208112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32824999A Expired - Fee Related JP4239328B2 (en) | 1999-11-18 | 1999-11-18 | Internal cooling system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4239328B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009266051A (en) * | 2008-04-28 | 2009-11-12 | Hitachi Ltd | Disk array device and electronic device |
| JP2015032624A (en) * | 2013-07-31 | 2015-02-16 | 古河電池株式会社 | Outdoor panel for storage battery |
| WO2015186343A1 (en) * | 2014-06-06 | 2015-12-10 | パナソニックＩｐマネジメント株式会社 | Battery room |
| JP2016070559A (en) * | 2014-09-29 | 2016-05-09 | 株式会社Ｎｔｔファシリティーズ | Air conditioner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0252971A (en) * | 1988-08-12 | 1990-02-22 | Fanuc Ltd | Heat pump type heat exchanger |
| JPH02233923A (en) * | 1989-03-06 | 1990-09-17 | Mitsui Ginkou:Kk | Central direct expansion air conditioning device |
| JPH10247793A (en) * | 1997-03-04 | 1998-09-14 | Denso Corp | Case cooling device |
| JPH11135972A (en) * | 1997-10-30 | 1999-05-21 | Denso Corp | Housing cooling device |
| JPH11145660A (en) * | 1997-11-13 | 1999-05-28 | Nec Saitama Ltd | Structure of heat exchanger |
| JP2001041503A (en) * | 1999-08-03 | 2001-02-16 | Mitsubishi Electric Corp | Case cooling system for communication base station |
| JP2001099446A (en) * | 1999-09-30 | 2001-04-13 | Mitsubishi Electric Corp | Air conditioning apparatus, and non-humidifying heating body-containing cooling equipment |
-
1999
- 1999-11-18 JP JP32824999A patent/JP4239328B2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0252971A (en) * | 1988-08-12 | 1990-02-22 | Fanuc Ltd | Heat pump type heat exchanger |
| JPH02233923A (en) * | 1989-03-06 | 1990-09-17 | Mitsui Ginkou:Kk | Central direct expansion air conditioning device |
| JPH10247793A (en) * | 1997-03-04 | 1998-09-14 | Denso Corp | Case cooling device |
| JPH11135972A (en) * | 1997-10-30 | 1999-05-21 | Denso Corp | Housing cooling device |
| JPH11145660A (en) * | 1997-11-13 | 1999-05-28 | Nec Saitama Ltd | Structure of heat exchanger |
| JP2001041503A (en) * | 1999-08-03 | 2001-02-16 | Mitsubishi Electric Corp | Case cooling system for communication base station |
| JP2001099446A (en) * | 1999-09-30 | 2001-04-13 | Mitsubishi Electric Corp | Air conditioning apparatus, and non-humidifying heating body-containing cooling equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009266051A (en) * | 2008-04-28 | 2009-11-12 | Hitachi Ltd | Disk array device and electronic device |
| JP4607203B2 (en) * | 2008-04-28 | 2011-01-05 | 株式会社日立製作所 | Disk array device |
| JP2015032624A (en) * | 2013-07-31 | 2015-02-16 | 古河電池株式会社 | Outdoor panel for storage battery |
| WO2015186343A1 (en) * | 2014-06-06 | 2015-12-10 | パナソニックＩｐマネジメント株式会社 | Battery room |
| JP2016070559A (en) * | 2014-09-29 | 2016-05-09 | 株式会社Ｎｔｔファシリティーズ | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4239328B2 (en) | 2009-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6131647A (en) | Cooling system for cooling hot object in container | |
| JP5098346B2 (en) | Ventilation air conditioner | |
| JP6254349B2 (en) | Heat pump equipment outdoor unit | |
| JP2010534819A (en) | Auxiliary cooling system | |
| CN216897531U (en) | Air conditioner | |
| JP2003218572A (en) | Method and device for radiating heat from outdoor apparatus | |
| JPH11135972A (en) | Housing cooling device | |
| US10274215B2 (en) | Hybrid refrigeration air-conditioning unit | |
| JP2001148590A (en) | Cooling system in housing | |
| CN215295169U (en) | Outdoor unit of air conditioner | |
| JP3906511B2 (en) | Cooling device and casing cooling device provided with the cooling device | |
| JP2014118140A (en) | Cooling module for vehicle | |
| JP3861361B2 (en) | COOLING DEVICE AND CASE COOLING DEVICE HAVING THE COOLING DEVICE | |
| JPH1183354A (en) | Cooling device | |
| CN211575318U (en) | Air conditioner outdoor unit and air conditioner | |
| JP2945904B1 (en) | Portable air conditioner | |
| JP2013257115A (en) | Refrigerator-freezer | |
| JP2003097881A (en) | Refrigeration unit for container | |
| KR20220056008A (en) | Cold and hot device and electric heater including the same | |
| JP2002373033A (en) | Cooling system for information processor | |
| CN105627640A (en) | Cooling method and device for heating element of vehicle-mounted air conditioner | |
| CN217057759U (en) | Outdoor machine of air conditioner | |
| CN217685493U (en) | Air conditioner outdoor unit and air conditioner | |
| CN220524322U (en) | Electric control part and air conditioner with same | |
| CN217383114U (en) | Indoor machine of air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060130 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080808 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080819 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081003 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20081202 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20081215 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120109 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130109 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140109 Year of fee payment: 5 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |