JP2743021B2 - heat pipe - Google Patents
heat pipeInfo
- Publication number
- JP2743021B2 JP2743021B2 JP1256850A JP25685089A JP2743021B2 JP 2743021 B2 JP2743021 B2 JP 2743021B2 JP 1256850 A JP1256850 A JP 1256850A JP 25685089 A JP25685089 A JP 25685089A JP 2743021 B2 JP2743021 B2 JP 2743021B2
- Authority
- JP
- Japan
- Prior art keywords
- container
- working fluid
- heat pipe
- partition wall
- fluid passage
- 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 - Fee Related
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
- F28D15/025—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 having non-capillary condensate return means
-
- 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
- F28D15/0233—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 the conduits having a particular shape, e.g. non-circular cross-section, annular
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 この発明は、オーディオ機器、複写機、印刷機、発光
ダイオード利用機器、コンピュータ等における発熱体か
ら熱を放熱するのに用いられるヒートパイプに関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat pipe used to radiate heat from a heating element in an audio device, a copying machine, a printing machine, a device using a light emitting diode, a computer, and the like.
この明細書において、「水平」という語には、完全な
水平状態はもちろんのこと、蒸発部および凝縮部のうち
のいずれか一方が、上方にくるように完全な水平状態か
ら約３度傾いた状態までも含むものとする。また、「垂
直」という語には、完全な垂直状態はもちろんのこと、
若干傾いた状態も含むものとする。さらに、この明細書
において、左右は第１図の左右をいうものとする。In this specification, the term "horizontal" includes not only a perfect horizontal state but also one of the evaporating section and the condensing section inclined about 3 degrees from the perfect horizontal state so as to be upward. It shall include the state. Also, the term "vertical" refers to a perfect vertical state,
This includes a slightly inclined state. Further, in this specification, left and right refer to left and right in FIG.
従来の技術 ヒートパイプとしては、水平な直管状コンテナと、こ
れに封入された水やフロンのような作動液とよりなるも
のが知られている。2. Description of the Related Art Known heat pipes include a horizontal straight tubular container and a working fluid such as water or Freon sealed in the container.
発明が解決しようとする課題 たとえば、オーディオ機器等に用いられるヒートパイ
プは、スペースの関係からほぼ水平に設置せざるを得な
い場合が多く、この場合、蒸発部において発生したガス
状作動液が凝縮部側に流れ難くなって、伝熱性能が低下
するという問題がある。また、蒸発部において発生した
ガス状作動液が凝縮部側に流れ難くなると、このガス状
作動液の圧力により作動液が凝縮部側に移動し、ドライ
アウトを起こすおそれがある。Problems to be Solved by the Invention For example, heat pipes used for audio equipment and the like often have to be installed almost horizontally due to space limitations. In this case, the gaseous working fluid generated in the evaporation section is condensed. There is a problem that it becomes difficult to flow to the part side, and the heat transfer performance is reduced. Further, if the gaseous working fluid generated in the evaporating section becomes difficult to flow to the condensing section side, the working fluid may move to the condensing section side due to the pressure of the gaseous working liquid, and dryout may occur.
この発明の目的は、上記問題を解決したヒートパイプ
を提供することにある。An object of the present invention is to provide a heat pipe that solves the above problem.
課題を解決するための手段 この発明によるヒートパイプは、水平な直管状コンテ
ナおよびコンテナ内に封入された作動液を有するヒート
パイプであって、コンテナの右端部における所定長さ部
分に上方突出室が連通状に設けられ、コンテナ内に、コ
ンテナ内を上下に仕切り、かつ左端部にガス状作動液通
過部が、右端部に再液化作動液通過部がそれぞれ形成さ
れた仕切り壁が設けられ、作動液が、コンテナ内におけ
る仕切り壁よりも下方の部分に封入されているものであ
る。Means for Solving the Problems A heat pipe according to the present invention is a heat pipe having a horizontal straight tubular container and a working fluid sealed in the container, and an upwardly projecting chamber is provided at a predetermined length at a right end of the container. Provided in communication with each other, a partition wall is formed in the container to partition the inside of the container up and down, and a gaseous hydraulic fluid passage portion is formed at the left end, and a reliquefied hydraulic fluid passage portion is formed at the right end portion. The liquid is sealed in a portion of the container below the partition wall.
作用 この発明によるヒートパイプは、上述のように構成さ
れているので、蒸発部で発生したガスに構成されている
ので、蒸発部で発生したガス状作動液は仕切り壁の左端
部に形成されたガス状作動液通過部を通って仕切り壁の
上側部に入り、ここに通って右側に流れ、さらに上方突
出室内に入り、ここでガス状作動液の有する熱はコンテ
ナの周壁を通して外部に放熱して再液化する。そして、
再液化した作動液は、再液化作動液通過部を通って仕切
り壁の下側部に入り、ここを通って左側に流れ、蒸発部
に戻る。したがって、作動液は、コンテナ内でスムーズ
に循環する。また、コンテナの上方突出室内でガス状作
動液が凝縮するようになされているので、直管状コンテ
ナを有するヒートパイプに比べて放熱面積が大きくな
り、放熱量が多くなる。Action Since the heat pipe according to the present invention is configured as described above, it is configured as a gas generated in the evaporating section, so that the gaseous working fluid generated in the evaporating section is formed on the left end of the partition wall. Through the gaseous hydraulic fluid passage, enter the upper part of the partition wall, pass through it to the right, and further into the upwardly projecting chamber, where the heat of the gaseous hydraulic fluid is radiated outside through the peripheral wall of the container. To reliquefy. And
The reliquefied hydraulic fluid passes through the reliquefied hydraulic fluid passage, enters the lower part of the partition wall, flows to the left through it, and returns to the evaporator. Therefore, the working fluid smoothly circulates in the container. In addition, since the gaseous working fluid is condensed in the upwardly projecting chamber of the container, the heat radiation area becomes larger and the heat radiation increases as compared with a heat pipe having a straight tubular container.
実 施 例 以下、この発明の実施例を、図面を参照して説明す
る。全図面を通じて同一物および同一部分には同一符号
を付して説明を省略する。また、以下の説明において、
「アルミニウム」という語には、純アルミニウムの他に
アルミニウム合金を含むものとする。Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings. Throughout the drawings, the same components and portions are denoted by the same reference characters, and description thereof is omitted. Also, in the following description,
The term "aluminum" shall include aluminum alloys in addition to pure aluminum.
実施例１ この実施例は第１図および第２図に示すものである。
第１図および第２図において、ヒートパイプはウィック
レス式であって、水平に設置されるアルミニウム製コン
テナ（１）内に作動液（２）が封入され、蒸発部（1A）
および凝縮部（1B）が左側から設けられているものであ
る。凝縮部（1B）の外周面には、左右方向に所定間隔を
おいて複数のプレート状放熱フィン（３）が設けられて
いる。Embodiment 1 This embodiment is shown in FIG. 1 and FIG.
In FIGS. 1 and 2, the heat pipe is a wickless type, in which a hydraulic fluid (2) is sealed in an aluminum container (1) installed horizontally, and an evaporator (1A)
And a condensing section (1B) provided from the left side. A plurality of plate-shaped radiating fins (3) are provided on the outer peripheral surface of the condenser section (1B) at predetermined intervals in the left-right direction.
コンテナ（１）は、上壁の右端部に所定長さにわたる
長孔（4a）が形成されたアルミニウム押出型材製角筒状
コンテナ本体（４）と、コンテナ本体（４）の左端部の
開口を塞ぐアルミニウム製のノズル付き箱状エンドキャ
ップ（５）と、コンテナ本体（４）の右端部の開口を塞
ぐアルミニウム製エンドキャップ（６）とを備えてい
る。コンテナ本体（４）内面には、長手方向にのびる溝
が形成されていてもよい。コンテナ本体（４）内には、
その内部を上下２つの水平通路（７）（８）に仕切る仕
切り壁（９）が一体的に設けられている。仕切り壁
（９）の左端部にガス状作動液通過部（11）が、右端部
に再液化作動液通過部（12）がそれぞれ形成されてい
る。仕切り壁（９）の左端部はコンテナ本体（４）の左
端部と合致しており、ノズル付き箱状エンドキャップ
（５）の内部がガス状作動液通過部（11）となされてい
る。仕切り壁（９）の右端部は若干切欠かれ、この切欠
き部が再液化作動液通過部（12）となされている。ガス
状作動液通過部（11）の幅（Ｘ）と再液化作動液通過部
（12）の幅（Ｙ）は、ほぼ等しくなっている。仕切り壁
（９）の右端部は凝縮部（1B）に位置している。コンテ
ナ本体（４）の長孔（4a）には、複数の垂直隔壁（14）
が左右方向に所定間隔をおいて一体的に設けられたアル
ミニウム押出型材製偏平管（13）の下端部が差し込まれ
ており、コンテナ本体（４）に固着されている。偏平管
（13）の上端開口は、偏平管（13）の上端に固着された
アルミニウム製上蓋（15）によって塞がれており、偏平
管（13）と上蓋（15）とにより上方突出室（16）が形成
されている。上方突出室（16）が凝縮部（1B）となって
いる。The container (1) has a rectangular cylindrical container body (4) made of an extruded aluminum material having a long hole (4a) formed over a predetermined length at the right end of the upper wall, and an opening at the left end of the container body (4). A box-shaped end cap (5) with an aluminum nozzle for closing and an aluminum end cap (6) for closing an opening at the right end of the container body (4) are provided. A groove extending in the longitudinal direction may be formed on the inner surface of the container body (4). In the container body (4),
A partition wall (9) for dividing the inside into upper and lower two horizontal passages (7) and (8) is integrally provided. A gaseous working fluid passage (11) is formed at the left end of the partition wall (9), and a reliquefied working fluid passage (12) is formed at the right end. The left end of the partition wall (9) coincides with the left end of the container body (4), and the inside of the box-shaped end cap with nozzle (5) serves as a gaseous hydraulic fluid passage (11). The right end of the partition wall (9) is slightly notched, and this notch serves as a reliquefied working fluid passage (12). The width (X) of the gaseous working fluid passage (11) and the width (Y) of the reliquefied working fluid passage (12) are substantially equal. The right end of the partition wall (9) is located in the condensing section (1B). In the long hole (4a) of the container body (4), a plurality of vertical bulkheads (14)
The lower end of a flat tube (13) made of an extruded aluminum material, which is integrally provided at a predetermined interval in the left-right direction, is inserted and fixed to the container body (4). The upper end opening of the flat tube (13) is closed by an aluminum upper lid (15) fixed to the upper end of the flat tube (13), and the upwardly projecting chamber ( 16) is formed. The upward projecting chamber (16) is a condensing part (1B).
作動液（２）は、ノズル付きエンドキャップ（５）の
ノズル（5a）を通してコンテナ（１）内に入れられたも
のであり、コンテナ（１）内における仕切り壁（９）よ
りも下方の部分全体を満たすように封入されている。ノ
ズル（5a）は作動液（２）の封入後閉鎖されている。The hydraulic fluid (2) is put into the container (1) through the nozzle (5a) of the end cap (5) with a nozzle, and the entire portion of the container (1) below the partition wall (9). It is enclosed to satisfy. The nozzle (5a) is closed after filling the working fluid (2).
蒸発部（1A）が加熱されると、蒸発部（1A）内の作動
液（２）が蒸発し、ガス状作動液はガス状作動液通過部
（11）を経て仕切り壁（９）上方の水平通路（７）内に
入り、この通路（７）内を通って右側に流れる（第１図
矢印（Ａ）参照）。そして、上方突出室（16）内に入
り、上方突出室（16）内においてこのガス状作動液の有
する熱が凝縮部（1B）周壁および放熱フィン（３）を通
して外部に放熱され、ガス状作動液は再液化する。再液
化した作動液（２）は再液化作動液通過部（12）を通っ
て仕切り壁（９）よりも下方の水平通路（８）内に流下
し、ここを通って蒸発部（1A）に戻る（第１図矢印
（Ｂ）参照）。When the evaporating section (1A) is heated, the working fluid (2) in the evaporating section (1A) evaporates, and the gaseous working fluid passes through the gaseous working fluid passage section (11) and is located above the partition wall (9). It enters the horizontal passage (7) and flows to the right through the passage (7) (see arrow (A) in FIG. 1). Then, the gas enters the upward protruding chamber (16), and in the upward protruding chamber (16), the heat of the gaseous working fluid is radiated to the outside through the condensing portion (1B) peripheral wall and the radiating fins (3). The liquid reliquefies. The re-liquefied hydraulic fluid (2) flows down through the re-liquefied hydraulic fluid passage (12) into the horizontal passage (8) below the partition wall (9), and passes therethrough to the evaporator (1A). Return (see arrow (B) in FIG. 1).
実施例２ この実施例は第３図に示すものである。第３図におい
て、コンテナ本体（４）の長孔（4a）内に差し込まれて
コンテナ本体（４）に固着された偏平管（20）には、垂
直隔壁は設けられていない。また、ガス状作動液通過部
（11）の幅（X1）が、再液化作動液通過部（12）の幅
（Y1）よりも大きくなっている。Embodiment 2 This embodiment is shown in FIG. In FIG. 3, the flat tube (20) inserted into the long hole (4a) of the container body (4) and fixed to the container body (4) has no vertical partition wall. Further, the width (X1) of the gaseous hydraulic fluid passage portion (11) is larger than the width (Y1) of the reliquefied hydraulic fluid passage portion (12).
実施例３ この実施例は第４図に示すものである。第４図におい
て、仕切り壁（９）は、コンテナ本体（４）における高
さの中央部よりも下方に設けられている。Embodiment 3 This embodiment is shown in FIG. In FIG. 4, the partition wall (9) is provided below a central portion of the height of the container body (4).
上記３つの実施例において、凝縮部（1B）外面の放熱
フィン（３）は、必ずしも必要としない。In the above three embodiments, the radiation fins (3) on the outer surface of the condensing part (1B) are not necessarily required.
発明の効果 この発明のヒートパイプによれば、上述のようにし
て、蒸発部で発生したガス状作動液は、スムーズに凝縮
部側に流れて、ここで再液化し、蒸発部に戻る。したが
って、伝熱効率が優れたものになるとともに、蒸発部に
おけるドライアウトを防止できる。また、直管状コンテ
ナを有する従来のヒートパイプに比べて放熱面積が大き
くなり、放熱量が多くなるので、コンテナ全体の長さを
短くできる。According to the heat pipe of the present invention, as described above, the gaseous working fluid generated in the evaporating section smoothly flows to the condensing section side, is re-liquefied here, and returns to the evaporating section. Therefore, the heat transfer efficiency is improved, and dryout in the evaporating section can be prevented. Further, the heat radiation area is larger and the heat radiation amount is larger than that of a conventional heat pipe having a straight tubular container, so that the entire length of the container can be shortened.
第１図はこの発明の実施例１を示す縦断面図、第２図は
同じく一部切欠き斜視図、第３図はこの発明の実施例２
を示す縦断面図、第４図はこの発明の実施例３を示す縦
断面図である。 （１）……コンテナ、（２）……作動液、（９）……仕
切り壁、（11）……ガス状作動液通過部、（12）……再
液化作動液通過部、（16）……上方突出室。FIG. 1 is a longitudinal sectional view showing a first embodiment of the present invention, FIG. 2 is a partially cutaway perspective view showing the same, and FIG. 3 is a second embodiment of the present invention.
FIG. 4 is a longitudinal sectional view showing Embodiment 3 of the present invention. (1) Container, (2) Hydraulic fluid, (9) Partition wall, (11) Gaseous hydraulic fluid passage, (12) Reliquefied hydraulic fluid passage, (16) .... An upwardly projecting chamber.
Claims (1)
封入された作動液を有するヒートパイプであって、 コンテナの右端部における所定長さ部分に上方突出室が
連通状に設けられ、コンテナ内に、コンテナ内を上下に
仕切り、かつ左端部にガス状作動液通過部が、右端部に
再液化作動液通過部がそれぞれ形成された仕切り壁が設
けられ、作動液が、コンテナ内における仕切り壁よりも
下方の部分に封入されているヒートパイプ。1. A heat pipe having a horizontal straight tubular container and a working fluid sealed in the container, wherein an upwardly projecting chamber is provided in a predetermined length portion at a right end portion of the container so as to communicate with the container, and a heat pipe is provided inside the container. A partition wall in which the inside of the container is vertically partitioned, and a gaseous working fluid passage portion is provided on the left end, and a reliquefaction working fluid passage portion is formed on the right end portion, is provided.The working fluid is separated from the partition wall in the container. The heat pipe enclosed in the lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1256850A JP2743021B2 (en) | 1989-09-29 | 1989-09-29 | heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1256850A JP2743021B2 (en) | 1989-09-29 | 1989-09-29 | heat pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03117889A JPH03117889A (en) | 1991-05-20 |
| JP2743021B2 true JP2743021B2 (en) | 1998-04-22 |
Family
ID=17298282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1256850A Expired - Fee Related JP2743021B2 (en) | 1989-09-29 | 1989-09-29 | heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2743021B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346127C (en) * | 2003-01-08 | 2007-10-31 | 北京欧科能太阳能技术有限公司 | Coreless heat tube and heat tube type solar vacuum tube |
| CN103813695B (en) * | 2012-11-13 | 2016-08-17 | 台达电子工业股份有限公司 | Hydrocone type heat abstractor |
-
1989
- 1989-09-29 JP JP1256850A patent/JP2743021B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03117889A (en) | 1991-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |