JPH02636B2 - - Google Patents
Info
- Publication number
- JPH02636B2 JPH02636B2 JP107685A JP107685A JPH02636B2 JP H02636 B2 JPH02636 B2 JP H02636B2 JP 107685 A JP107685 A JP 107685A JP 107685 A JP107685 A JP 107685A JP H02636 B2 JPH02636 B2 JP H02636B2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- liquid reservoir
- heat medium
- liquid
- absorber
- 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
Links
- 239000007788 liquid Substances 0.000 claims description 56
- 239000006096 absorbing agent Substances 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
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
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)
- Central Heating Systems (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、外部からの機械的駆動を用いること
なく、上方の熱を下方に移動させることのできる
ループ式ヒートパイプに関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a loop heat pipe capable of moving upward heat downward without using an external mechanical drive.
従来の技術
従来、動力ポンプやコンプレツサーなどの外部
からの機械的動力を必要としない熱移動機器とし
ては、ヒートパイプ及び熱サイホンが知られてお
り、例えば、第２図に示すループ式ヒートパイプ
では、吸熱器１と吸熱器１より上部に設けられた
放熱器２とを、液配管３及び蒸気配管４により結
び密閉管路を形成し、内部に密閉管路内の圧力及
び温度条件によつて、蒸気及び液体の２相状態と
なる熱媒５を封入し、吸熱器１において加熱され
気化した熱媒５が、蒸気配管４を通り、放熱器２
内に導びかれ、放熱器２において冷却され液化
し、重力により、液配管３を通り、吸熱器１に戻
るサイクルにより、下方の熱を上方に移動させて
いた。Conventional Technology Conventionally, heat pipes and thermosiphons have been known as heat transfer devices such as power pumps and compressors that do not require external mechanical power. For example, the loop heat pipe shown in Fig. 2 , a heat absorber 1 and a heat radiator 2 provided above the heat absorber 1 are connected by a liquid pipe 3 and a steam pipe 4 to form a sealed pipe, and the internal pressure and temperature conditions within the sealed pipe are , a heat medium 5 that is in a two-phase state of vapor and liquid is enclosed, and the heat medium 5 heated and vaporized in the heat absorber 1 passes through the steam pipe 4 and passes through the heat radiator 2.
The heat from below was moved upward through a cycle in which the liquid was guided into the interior, cooled and liquefied in the heat radiator 2, passed through the liquid pipe 3 due to gravity, and returned to the heat absorber 1.
発明が解決しようとする問題点
しかし、このような従来の熱移動機器において
は、熱移動は下方から上方に行なわれ、上方から
下方に移動させることは不向きであつた。Problems to be Solved by the Invention However, in such conventional heat transfer devices, heat is transferred from below to above, and it is not suitable to transfer heat from above to below.
問題点を解決するための手段
そして上記問題点を解決する本発明の技術的な
手段は、吸熱器より下部に放熱器を設け、吸熱器
より上部に冷却機能を有する第１液溜を設け、放
熱器より下部に第２液溜を設け、これらを開閉弁
及び逆止弁を介して管路で結び密閉管路を形成
し、密閉管路内に密閉管路内の圧力及び温度条件
によつて、蒸気及び液体の２相状態となる熱媒を
封入したものである。Means for Solving the Problems The technical means of the present invention for solving the above problems is to provide a heat radiator below the heat absorber, a first liquid reservoir having a cooling function above the heat absorber, A second liquid reservoir is provided below the radiator, and these are connected by a pipe through an on-off valve and a check valve to form a sealed pipe. Therefore, a heating medium that is in a two-phase state of vapor and liquid is sealed.
作 用 この技術手段による作用は次のようになる。Effect The effect of this technical means is as follows.
すなわち、開閉弁の切り替えにより、吸熱器で
加熱され気化した熱媒を、放熱器に導びき、放熱
器において冷却して液化し、更に液化した熱媒を
第２液溜内に導びき、第２液溜内に蓄えるサイク
ルと、吸熱器で加熱され気化した熱媒を第２液溜
に導びき、第２液溜内の圧力を高め、第２液溜内
に蓄えられている液体状態の熱媒を、冷却機能に
より低圧に保たれた第１液溜に、熱媒の蒸気圧力
差により導びき、第１液溜内に蓄えるサイクル
と、吸熱器で加熱され気化した熱媒を、第１液溜
に導びき、第１液溜内と吸熱器内の熱媒の蒸気圧
力を同圧とし、重力により第１液溜内に蓄えてい
る液体状態の熱媒を吸熱器に戻すサイクルを順次
繰り返すことにより、上方の熱を下方に移動させ
ることができる。 That is, by switching the on-off valve, the heat medium that has been heated and vaporized in the heat absorber is guided to the radiator, where it is cooled and liquefied, and the liquefied heat medium is further guided into the second liquid reservoir, and then the heat medium is liquefied. A cycle in which the heat medium is stored in two liquid reservoirs, and the heat medium heated and vaporized by the heat absorber is guided to the second liquid reservoir to increase the pressure in the second liquid reservoir, and the liquid state stored in the second liquid reservoir is A cycle in which a heat medium is guided to a first liquid reservoir kept at a low pressure by a cooling function by the vapor pressure difference of the heat medium and stored in the first liquid reservoir, and a heat medium heated and vaporized by a heat absorber is A cycle in which the heat medium in the liquid state stored in the first liquid reservoir is returned to the heat absorber by gravity, where the vapor pressure of the heat medium in the first liquid reservoir and the heat absorber are the same pressure. By repeating this in sequence, the heat from above can be moved downward.
実施例
以下、本発明の一実施例を添付図面にもとづい
て説明する。Embodiment Hereinafter, an embodiment of the present invention will be described based on the accompanying drawings.
第１図において、吸熱器１と吸熱器１より下部
に設けた放熱器２と、吸熱器１より上部に設けた
冷却フイン６による冷却機能を有する第１液溜７
と、放熱器２より下部に設けた第２液溜８とを、
開閉弁９Ａ，９Ｂ及び逆止弁１０Ａ，１０Ｂを介
して、液配管３及び蒸気配管４で結び密閉管路を
形成し、密閉管路内に、密閉管路内の圧力及び温
度条件により、蒸気及び液体の２相状態となる熱
媒５を封入している。 In FIG. 1, a first liquid reservoir 7 has a cooling function using a heat absorber 1, a heat radiator 2 provided below the heat absorber 1, and a cooling fin 6 provided above the heat absorber 1.
and a second liquid reservoir 8 provided below the radiator 2,
The liquid piping 3 and the steam piping 4 are connected via the on-off valves 9A, 9B and the check valves 10A, 10B to form a sealed pipeline, and steam is allowed to flow into the sealed pipeline depending on the pressure and temperature conditions inside the sealed pipeline. and a heating medium 5 which is in a two-phase liquid state.
次に、この一実施例における作用を説明する。
開閉弁９Ａを開き、開閉弁９Ｂ，９Ｃを閉じる
と、吸熱器１において加熱され気化した熱媒５
は、蒸気配管４及び開閉弁９Ａを経て、放熱器２
に導びかれ、放熱器２において冷却され液化し、
更に液化した熱媒５が、逆止弁１０Ａを経て、第
２液溜８に導びかれ、第２液溜８内に蓄えられ
る。 Next, the operation of this embodiment will be explained.
When the on-off valve 9A is opened and the on-off valves 9B and 9C are closed, the heat medium 5 heated and vaporized in the heat absorber 1
passes through the steam pipe 4 and the on-off valve 9A to the radiator 2
, is cooled and liquefied in the radiator 2,
Furthermore, the liquefied heat medium 5 is guided to the second liquid reservoir 8 through the check valve 10A, and is stored in the second liquid reservoir 8.
次に、開閉弁９Ｂを開き、開閉弁９Ａ，９Ｃを
閉じると、吸熱器１において加熱さされ気化した
熱媒５は、蒸気配管４及び開閉弁９Ｂを経て、第
２液溜８に導びかれ、第２液溜８内の圧力を高
め、第２液溜８内に蓄えられている液体状態の熱
媒５が、冷却フイン６による冷却機能により低圧
に保たれた第１液溜７に、逆止弁１０Ｂ及び液配
管３を経て、熱媒５の蒸気圧力差により導びか
れ、、第１液溜７内に蓄えられる。 Next, when the on-off valve 9B is opened and the on-off valves 9A and 9C are closed, the heat medium 5 heated and vaporized in the heat absorber 1 is guided to the second liquid reservoir 8 via the steam pipe 4 and the on-off valve 9B. As a result, the pressure in the second liquid reservoir 8 is increased, and the liquid heat medium 5 stored in the second liquid reservoir 8 is transferred to the first liquid reservoir 7, which is kept at a low pressure by the cooling function of the cooling fins 6. , through the check valve 10B and the liquid pipe 3, and is guided by the vapor pressure difference of the heat medium 5, and is stored in the first liquid reservoir 7.
次に、開閉弁９Ｃを開き、開閉弁９Ａ，９Ｂを
閉じると、吸熱器１において加熱され気化した熱
媒５は、開閉弁９Ｃを経て、第１液溜７に導びか
れ、第１液溜７内と吸熱器１内の熱媒５の蒸気圧
力は同圧となり、重力により第１液溜７内に蓄え
られている液体状態の熱媒５が、吸熱器１に戻さ
れる。 Next, when the on-off valve 9C is opened and the on-off valves 9A and 9B are closed, the heat medium 5 heated and vaporized in the heat absorber 1 is guided to the first liquid reservoir 7 through the on-off valve 9C, and the first liquid The vapor pressures of the heat medium 5 in the reservoir 7 and the heat absorber 1 become the same, and the liquid heat medium 5 stored in the first reservoir 7 is returned to the heat absorber 1 due to gravity.
以上の動作を順次繰り返すことにより、上方の
熱を下方に移動させることができる。 By sequentially repeating the above operations, the heat from above can be moved downward.
発明の効果
以上のように本発明によれば、上方の熱を下方
に移動させることができ、且つ、第１液溜を冷却
するための低温源の温度は、吸熱器を加熱するた
めの高温源の温度よりも、第１液溜と第２液溜と
の高低差分の熱媒の液柱圧力に相当する温度差だ
け低ければよく、例えば、熱媒としてフロン２２
を用い、第１液溜と第２液溜との高低差を8mと
し、高温源の温度は60℃とすと、低温源の温度は
58.3℃以下にする必要があるが、この温度は、大
気熱の温度より充分高い温度であり、第１液溜を
冷却するための低温源として、大気熱が利用でき
るので、実用性が高い。Effects of the Invention As described above, according to the present invention, upper heat can be moved downward, and the temperature of the low temperature source for cooling the first liquid reservoir is lower than the high temperature for heating the heat absorber. It is sufficient that the temperature difference is lower than the temperature of the source by a temperature difference corresponding to the liquid column pressure of the heating medium corresponding to the height difference between the first liquid reservoir and the second liquid reservoir.
, the height difference between the first and second reservoirs is 8m, and the temperature of the high temperature source is 60℃, then the temperature of the low temperature source is
Although it is necessary to keep the temperature below 58.3°C, this temperature is sufficiently higher than the temperature of atmospheric heat, and the atmospheric heat can be used as a low temperature source for cooling the first liquid reservoir, so it is highly practical.
第１図は本発明の一実施例によるループ式ヒー
トパイブの構成図、第２図は従来のループ式ヒー
トパイプの構成図である。
１……吸熱器、２……放熱器、３……液配管、
４……蒸気配管、５……熱媒、６……冷却フイ
ン、７……第１液溜、８……第２液溜、９……開
閉弁、１０……逆止弁。
FIG. 1 is a configuration diagram of a loop type heat pipe according to an embodiment of the present invention, and FIG. 2 is a configuration diagram of a conventional loop type heat pipe. 1... Heat absorber, 2... Heat radiator, 3... Liquid piping,
4... Steam piping, 5... Heat medium, 6... Cooling fin, 7... First liquid reservoir, 8... Second liquid reservoir, 9... Open/close valve, 10... Check valve.
Claims (1)
器と、この吸熱器より上部に設け、冷却機能を有
する第１液溜と、前記放熱器より下部に設けた第
２液溜とを、開閉弁及び逆止弁を介して管路で結
び密閉管路を形成し、前記密閉管路内をこの密閉
管路内の圧力及び温度条件によつて、蒸気若しく
は液体の２相状態となる熱媒で満たし、前記開閉
弁の切り替えにより、前記吸熱器で加熱され気化
した熱媒を、前記放熱器に導びき、この放熱器に
おいて冷却して液化し、更に液化した熱媒を、前
記第２液溜に導びき、この第２液溜内に蓄えるサ
イクルと、前記吸熱器で加熱され気化した熱媒
を、前記第２液溜に導びき、この第２液溜内の圧
力を高め、第２液溜内に蓄えられている液体状態
の熱媒を、冷却機能により低圧に保たれた第１液
溜に、熱媒の蒸気圧力差により導びき、前記第１
液溜内に蓄えるサイクルと、前記吸熱器で加熱さ
れ気化した熱媒を、前記第１液溜に導びき、この
第１液溜内と前記吸熱器内の熱媒の蒸気圧力を同
圧とし、重力により前記第１液溜内に蓄えている
液体状態の熱媒を前記吸熱器に戻すサイクルを順
次繰り返す構成としたループ式ヒートパイプ。1. A heat absorber, a heat radiator provided below the heat absorber, a first liquid reservoir provided above the heat absorber and having a cooling function, and a second liquid reservoir provided below the heat radiator, A sealed pipe is formed by connecting the pipes through an on-off valve and a check valve, and heat is generated in the sealed pipe into a two-phase state of steam or liquid depending on the pressure and temperature conditions within the sealed pipe. By switching the on-off valve, the heat medium heated and vaporized in the heat absorber is guided to the heat radiator, where it is cooled and liquefied, and the liquefied heat medium is then transferred to the second heat medium. A cycle in which the heat medium heated and vaporized by the heat absorber is guided to the second liquid reservoir, the pressure in the second liquid reservoir is increased, and the heat medium is stored in the second liquid reservoir. The liquid heat medium stored in the two liquid reservoirs is guided to the first liquid reservoir, which is kept at a low pressure by a cooling function, by the vapor pressure difference of the heat medium, and
A cycle of storing the heat medium in the liquid reservoir and guiding the heat medium heated and vaporized by the heat absorber to the first liquid reservoir, and making the vapor pressure of the heat medium in the first liquid reservoir and the heat absorber the same pressure. . A loop heat pipe configured to sequentially repeat a cycle in which the liquid heat medium stored in the first liquid reservoir is returned to the heat absorber by gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60001076A JPS61161393A (en) | 1985-01-08 | 1985-01-08 | Loop type heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60001076A JPS61161393A (en) | 1985-01-08 | 1985-01-08 | Loop type heat pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61161393A JPS61161393A (en) | 1986-07-22 |
| JPH02636B2 true JPH02636B2 (en) | 1990-01-08 |
Family
ID=11491409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60001076A Granted JPS61161393A (en) | 1985-01-08 | 1985-01-08 | Loop type heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61161393A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168342B (en) * | 2017-12-29 | 2020-03-17 | 中国科学院工程热物理研究所 | High heat flow antigravity heat pipe |
-
1985
- 1985-01-08 JP JP60001076A patent/JPS61161393A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61161393A (en) | 1986-07-22 |
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