JPH01179881A - Dipping and liquid cooling device - Google Patents
Dipping and liquid cooling deviceInfo
- Publication number
- JPH01179881A JPH01179881A JP117388A JP117388A JPH01179881A JP H01179881 A JPH01179881 A JP H01179881A JP 117388 A JP117388 A JP 117388A JP 117388 A JP117388 A JP 117388A JP H01179881 A JPH01179881 A JP H01179881A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- cooled
- vapor
- sealed
- liquid cooling
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 34
- 238000001816 cooling Methods 0.000 title claims abstract description 25
- 238000007598 dipping method Methods 0.000 title abstract 2
- 239000003507 refrigerant Substances 0.000 claims abstract description 35
- 239000012466 permeate Substances 0.000 claims abstract description 4
- 238000007654 immersion Methods 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 238000009825 accumulation Methods 0.000 abstract 2
- 230000006866 deterioration Effects 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 2
- 230000020169 heat generation Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000035699 permeability Effects 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- -1 polydimethylsiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔概 要〕
本発明は、電子装置の発熱を冷却するのに適する密閉型
浸漬液冷装置に関し、
浸漬液冷装置の冷媒蒸気に蓄積して、熱交換管の伝熱効
率を低下させる非凝縮性気体を冷媒蒸気から分離して排
出することを目的とし、密閉容器内の下部に冷媒液体を
入れ、冷媒液体に被冷却体を浸漬し、被冷却体の発熱に
よって蒸発する冷媒蒸気を液化するために容器の上部に
熱交換管を設けた密閉型浸漬液冷装置であって、密閉容
器の冷媒蒸気に接する部分に、冷媒蒸気から非凝縮性ガ
スを分離して透過させる分離膜で封止した排気孔を設け
るように構成した。[Detailed Description of the Invention] [Summary] The present invention relates to a closed type immersion liquid cooling device suitable for cooling the heat generated by electronic devices, and the present invention relates to a closed type immersion liquid cooling device suitable for cooling the heat generated by electronic devices. The purpose is to separate and discharge non-condensable gases that reduce thermal efficiency from refrigerant vapor. Refrigerant liquid is placed in the lower part of a sealed container, the object to be cooled is immersed in the refrigerant liquid, and evaporation occurs due to the heat generated by the object to be cooled. This is a closed-type immersion liquid cooling system that has a heat exchange tube installed at the top of the container to liquefy the refrigerant vapor. The structure was such that an exhaust hole was sealed with a separation membrane.
本発明は、電子装置の発熱を冷却するのに適する密閉型
浸漬液冷装置に関する。The present invention relates to a closed type immersion liquid cooling device suitable for cooling the heat generated by an electronic device.
密閉型浸漬液冷装置は、密閉容器内の下部にフッ化炭素
のような冷媒液体を入れ、この液体に電子装置などの被
冷却体を浸漬し、被冷却体の発熱によって蒸発した冷媒
蒸気を液化するために、容器の上部に熱交換管を設けて
いる。このような浸漬液冷装置では、冷媒としてフッ化
炭素たとえばＣ６Ｆ１４を使用するが、これに含まれる
窒素および酸素のようなリド凝縮性気体が、密閉容器内
の上部の冷媒蒸気中に蓄積すると、たとえば空気含量１
０体積％では気体の伝熱効率が低下して、熱交換能力が
約３Ｑ％低下するきいわれている。In a closed type immersion liquid cooling system, a refrigerant liquid such as fluorocarbon is placed in the lower part of a sealed container, an object to be cooled such as an electronic device is immersed in this liquid, and the refrigerant vapor that evaporates due to the heat generated by the object to be cooled is immersed in the liquid. For liquefaction, a heat exchange tube is provided at the top of the container. In such an immersion liquid cooling system, fluorocarbon such as C6F14 is used as a refrigerant, but when lido condensable gases such as nitrogen and oxygen contained therein accumulate in the refrigerant vapor in the upper part of the closed container, For example, air content 1
It is said that at 0% by volume, the heat transfer efficiency of the gas decreases, and the heat exchange capacity decreases by about 3Q%.
本発明は、浸漬液冷装置の冷媒蒸気を蓄積して、熱交換
管の伝熱効率を低下させる非凝縮性気体を冷媒蒸気から
分離して排出することを目的とする。The object of the present invention is to accumulate refrigerant vapor in an immersion liquid cooling device and to separate and discharge non-condensable gases that reduce the heat transfer efficiency of heat exchange tubes from the refrigerant vapor.
上記問題点は、密閉容器の下部に冷媒液体を入れ、冷媒
液体に被冷却体を浸漬し、被冷却体の発熱によって蒸発
する冷媒蒸気を液化するために、容器の上部に熱交換管
を設けた密閉型浸漬液冷装置であって、密閉容器の冷媒
蒸気に接する部分に、冷媒蒸気から非凝縮性ガスを分離
して透過させる分離膜で封止した排気孔を設けたことを
特徴とする浸漬液冷装置によって解決することができる
。The above problem is solved by putting a refrigerant liquid in the lower part of the sealed container, immersing the object to be cooled in the refrigerant liquid, and installing a heat exchange tube in the upper part of the container to liquefy the refrigerant vapor that evaporates due to the heat generated by the object to be cooled. A closed type immersion liquid cooling device, characterized in that an exhaust hole sealed with a separation membrane that separates non-condensable gas from the refrigerant vapor and permeates it is provided in the part of the closed container that comes into contact with the refrigerant vapor. This can be solved by an immersion liquid cooling device.
浸漬液冷装置の冷媒として、通常使用するフッ化炭素Ｃ
６Ｆ、、は分子量が３３８であり、空気中の窒素および
酸素の分子量の２４および３２の１０倍以上である。微
細な多孔を有する樹脂膜を使用すれば、このような分子
量の異なる気体は透過率が異なるので、分離することが
できる。密閉容器の内部は、被冷却体の発熱によって冷
媒が蒸発し、圧力が外部の大気圧より高くなる。分離膜
を通過する透過率は、窒素および酸素がＣ６Ｆ １４
のようなフッ化炭素の３〜４倍であり、選択的に排出す
ることができる。Fluorocarbon C, commonly used as a refrigerant in immersion liquid cooling equipment
6F has a molecular weight of 338, which is more than 10 times the molecular weight of nitrogen and oxygen in air, which are 24 and 32. If a resin membrane having fine pores is used, gases having different molecular weights can be separated because they have different permeability. Inside the airtight container, the refrigerant evaporates due to heat generated by the object to be cooled, and the pressure becomes higher than the outside atmospheric pressure. The permeability of nitrogen and oxygen through the separation membrane is C6F14
It is 3 to 4 times more expensive than fluorocarbons such as fluorocarbons, and can be selectively discharged.
容量約３ρの浸漬液冷装置は、密閉容器内の上部に、フ
ィン付き冷却管を設け、容器の上部に排気孔をあけた。The immersion liquid cooling device with a capacity of about 3ρ was equipped with a finned cooling pipe in the upper part of the closed container and an exhaust hole in the upper part of the container.
音大、特開昭５７−４２０３号に記載されるポリジメチ
ルシロキサン／ポリ−４−メチルペンテン複合膜を使用
し、５００Ｘ１０ｃｍの膜をピッチ０．５ ＋ｎｍで長
さ２．５ ｃｍごとに折り返して形成した分離膜で排気
孔を封止した。A polydimethylsiloxane/poly-4-methylpentene composite film described in JP-A No. 57-4203 was used, and a 500 x 10 cm film was folded over every 2.5 cm at a pitch of 0.5 + nm. The exhaust hole was sealed with the formed separation membrane.
この浸漬液冷装置に入れた１βの冷媒液体フッ化炭素Ｃ
６Ｆ１４に、定格２００Ｗの回路基板５枚を浸漬し、電
力２ｈを印加した。２０分後に冷媒液体は加熱されて容
器内の圧力が１．７気圧に上昇した。1β refrigerant liquid fluorocarbon C placed in this immersion liquid cooling device
Five circuit boards with a rating of 200 W were immersed in 6F14, and power was applied for 2 hours. After 20 minutes, the refrigerant liquid was heated and the pressure within the container increased to 1.7 atmospheres.
水による冷却と被冷却体の加熱とを平衡させてこの圧力
を保持し、１００時間にわたって回路基板のバーンイン
テストを行なうことができた。By maintaining this pressure by balancing the cooling by the water and the heating of the object to be cooled, it was possible to perform a burn-in test on the circuit board for 100 hours.
本発明によって、被冷却体の挿入時における侵入、被冷
却体からの放出などによって、密閉型浸漬液冷装置間の
冷媒蒸気に混入した非凝縮性気体を、装置の作動中に除
去できるので、長時間の使用においても冷却能力の低下
を防ぐことができる。According to the present invention, non-condensable gases mixed into the refrigerant vapor between the closed type immersion liquid cooling devices due to intrusion during insertion of the object to be cooled or release from the object to be cooled can be removed during operation of the device. Decrease in cooling capacity can be prevented even during long-term use.
第１図は本発明の浸漬液冷装置の説明図である。
■・・・密閉容器、 ２・・・熱交換器、３
・・・分離膜、 ４・・・冷媒液体、５・
・・冷媒気体。
本発明の浸漬液冷装置の断面図
１ 密閉容器
２・・・熱交換器
３・・・分離膜
４・・・冷媒液体
５゛ 冷媒気体
６° ゛被冷却体FIG. 1 is an explanatory diagram of the immersion liquid cooling device of the present invention. ■...Airtight container, 2...Heat exchanger, 3
...Separation membrane, 4.Refrigerant liquid, 5.
・Refrigerant gas. Cross-sectional view of the immersion liquid cooling device of the present invention 1 Sealed container 2...Heat exchanger 3...Separation membrane 4...Refrigerant liquid 5゛ Refrigerant gas 6°゛Object to be cooled
Claims (1)
冷却体を浸漬し、被冷却体の発熱によって蒸発する冷媒
蒸気を液化するために容器の上部に熱交換管を設けた密
閉型浸漬液冷装置であって、密閉容器の冷媒蒸気に接す
る部分に、冷媒蒸気から非凝縮性ガスを分離して透過さ
せる分離膜で封止した排気孔を設けたことを特徴とする
浸漬液冷装置。1. A closed type in which a refrigerant liquid is placed in the lower part of the sealed container, the object to be cooled is immersed in the refrigerant liquid, and a heat exchange tube is installed in the upper part of the container to liquefy the refrigerant vapor that evaporates due to the heat generated by the object to be cooled. An immersion liquid cooling device, characterized in that an exhaust hole sealed with a separation membrane that separates non-condensable gas from the refrigerant vapor and permeates it is provided in the part of the closed container that comes into contact with the refrigerant vapor. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63001173A JP2543553B2 (en) | 1988-01-08 | 1988-01-08 | Immersion liquid cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63001173A JP2543553B2 (en) | 1988-01-08 | 1988-01-08 | Immersion liquid cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01179881A true JPH01179881A (en) | 1989-07-17 |
| JP2543553B2 JP2543553B2 (en) | 1996-10-16 |
Family
ID=11494043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63001173A Expired - Lifetime JP2543553B2 (en) | 1988-01-08 | 1988-01-08 | Immersion liquid cooling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2543553B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0560430A (en) * | 1991-08-29 | 1993-03-09 | Daikin Ind Ltd | Bleeding device for freezer |
| KR20170005749A (en) | 2014-05-09 | 2017-01-16 | 다이니폰 인사츠 가부시키가이샤 | Sheet-formed container and food container |
-
1988
- 1988-01-08 JP JP63001173A patent/JP2543553B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0560430A (en) * | 1991-08-29 | 1993-03-09 | Daikin Ind Ltd | Bleeding device for freezer |
| KR20170005749A (en) | 2014-05-09 | 2017-01-16 | 다이니폰 인사츠 가부시키가이샤 | Sheet-formed container and food container |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2543553B2 (en) | 1996-10-16 |
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