CN203657578U - Heat pipe suitable for space application - Google Patents
Heat pipe suitable for space application Download PDFInfo
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- CN203657578U CN203657578U CN201320751667.6U CN201320751667U CN203657578U CN 203657578 U CN203657578 U CN 203657578U CN 201320751667 U CN201320751667 U CN 201320751667U CN 203657578 U CN203657578 U CN 203657578U
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- heat pipe
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- inner gateway
- outer path
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Abstract
The utility model discloses a heat pipe suitable for space application, and belongs to the technical field of thermal control of a space system. The heat pipe suitable for space application resolves the problems that according to the thermal control of an existing space system, one heat pipe can not be connected with multiple heat sources, and when multiple heat pipes are connected with multiple heat sources, the weight of the space system is increased, and the work medium inside the heat pipes is turbulent in circulation or even out of work. The heat pipe suitable for space application comprises an inner circulation passage and an outer circulation passage, wherein the inner circulation passage comprises a heat input section, a heat insulation section and a heat output section which are arranged on an inner passage heat pipe outer shell, the outer circulation passage comprises a heat input section, a heat insulation section and a heat output section which are arranged on an outer passage heat pipe outer shell, the outer passage heat pipe outer shell is arranged at the outer side of the inner passage heat pipe outer shell in a sleeved mode, is equal to an inner passage heat insulation section in length and corresponds to the inner passage heat insulation section in position, the pipe wall of the inner passage heat insulation section is of a double-layer structure, the outer layer is made of heat insulation materials, and the inner layer is made of metal materials. The heat pipe suitable for space application can be connected with two heat sources, has high heat transferring efficiency, does not obviously increase the size, and saves the space of the space system.
Description
Technical field
The utility model relates to space system Evolution of Thermal Control Technique field, is specifically related to a kind of heat pipe of applicable space application.
Background technology
In the thermal control of space system, in order reasonably to organize heat exchanging process, usually need to set up effective heat flow path, the transmission of guiding heat in parts.
Space system volume space is limited, and weight, the energy etc. has many restrictions, uses the methods such as conventional structure conduction, surface emissivity and forced convertion to set up heat flow path and is often not easy to accomplish.Heat pipe is a kind of apparatus that utilizes evaporation, the condensation phase change of working medium and circulate transferring heat, because liquid evaporation is very little with the thermal resistance of condensing, so heat pipe can, under the very little temperature difference, transmit very large hot-fluid.In space system, utilize heat pipe the waste heat of some parts can be transferred to some colder parts, the used heat that had both solved thermal part is arranged the heat temperature raising of loose and cold parts, has also effectively alleviated space system weight simultaneously, has saved the space system energy.
But, in actual application, a heat pipe only has a heat input section, in the time that setting up multiple heat flow path, needs just need many heat pipes, due to the common compact conformation of Space Facilities, weight is had to strict demand, connect many heat pipes and can cause in actual applications considerable restraint, and because the heat transfer efficiency of heat pipe is very high, the heat transmission of multiple thermal parts only needs a heat pipe just can complete sometimes, if existing heat pipe connects two or more thermals source simultaneously, can cause the disorder of inside heat pipe working medium circulation, even result in blockage and cause heat pipe failure.
Utility model content
The purpose of this utility model is cannot connect multiple thermals source and cause heat transfer efficiency low in order to solve a heat pipe in the thermal control of existing space system, many heat pipes have increased space system weight while connecting multiple thermal source, and cause the disorder of inside heat pipe working medium circulation, the problem even losing efficacy, the heat pipe that provides a kind of applicable space to apply.
The heat pipe of a kind of applicable space application of the present utility model, comprises interior peripheral passage and outer circulation path; Interior peripheral passage comprises the inner gateway heat input section, inner gateway isolation section and the inner gateway thermal output section that are located on inner gateway heat pipe shell; Outer circulation path comprises the hot input section of the outer path being located on outer path heat pipe shell, outer path isolation section and outer path thermal output section; Described outer path heat pipe outer cover suit is in the outside of inner gateway heat pipe shell, and equal in length with inner gateway isolation section, position correspondence; Described inner gateway isolation section is between inner gateway heat input section and inner gateway thermal output section, and inner gateway isolation section tube wall is double-decker, and inner gateway isolation section tube wall skin is heat-insulating material, and inner gateway isolation section tube wall internal layer is metal material; Described outer path isolation section is between outer path heat input section and outer path thermal output section; Described inner gateway heat input section is used for being connected thermal source with outer path heat input section.
Further, the outer field thickness of described inner gateway isolation section tube wall be inner gateway heat pipe shell pipe thickness 1/3～1/2.
Further, described inner gateway isolation section tube wall internal layer and inner gateway heat pipe are outer shell integrated.
Further, the tube wall inner side of described inner gateway heat pipe shell and the tube wall inner side of outer path heat pipe shell are all equipped with capillary materials, in the space of described capillary materials, are full of liquid working substance.
Further, described inner gateway heat pipe shell and outer path heat pipe shell are metal tube.
Further, the material of described metal tube is aluminium alloy.
Operation principle of the present utility model:
Heat pipe of the present utility model, comprise internal layer and outer two-way peripheral passage altogether, each peripheral passage comprises heat input section, thermal output section and isolation section, the isolation section of interior loop path is positioned at interior loop heat input section and thermal output section centre position, the isolation section of outer peripheral passage is positioned at outer cycling hot input section and thermal output section centre position, the tube wall of the isolation section of interior loop path is the internal face of outer peripheral passage simultaneously, in heat pipe, the heat input section wall of skin-pass is connected with thermal source, heat passes to capillary structure and liquid working substance wherein by heat input section tube wall separately, the temperature of liquid working substance raises the evaporation on its Free Surface is strengthened, steam is under the effect of heat input section and thermal output section pressure reduction, flow to thermal output section by heat input section, emit the latent heat of vaporization, and again condense into liquid, it is loose that heat pipe can be transferred to the heat of two thermals source thermal output section row by the continuous steam-condensate circulating of liquid working substance simultaneously, and work alone each other, do not interfere with each other, thereby realize cooling to two thermals source of a heat pipe, save space system space, alleviate space system weight, reduce the quantity of parts, the utility model can be realized two thermal source inputs, cooling two thermal parts simultaneously.
The beneficial effects of the utility model:
The utility model is by two peripheral passages of heat pipe, make heat pipe can connect two thermals source, carry out cooling to two thermals source simultaneously, in ensureing that heat pipe has higher thermal efficiency, can significantly not increase the size of heat pipe, and reduce the usage quantity of heat pipe, further alleviated the weight of space system thermal control system, saved the space of space system; In the time effectively meeting design requirement, do not increase additional attachments.
Brief description of the drawings
Fig. 1 is the profile of the heat pipe of applicable space application of the present utility model.
Fig. 2 is the interior peripheral passage of heat pipe and the structural representation of outer circulation path of applicable space application of the present utility model.
In figure: 1, inner gateway heat pipe shell, 11, inner gateway heat input section, 12, inner gateway isolation section, 121 inner gateway isolation section tube wall skins, 122, inner gateway isolation section tube wall internal layer, 13, inner gateway thermal output section, 2, outer path heat pipe shell, 21, outer path heat input section, 22, outer path isolation section, 23 outer path thermal output sections, 3, capillary structure, 4, liquid working substance, 5, steam, 6, interior peripheral passage, 7, outer circulation path.
Detailed description of the invention
In conjunction with Fig. 1 and Fig. 2, present embodiment is described, a kind of heat pipe of applicable space application, this heat pipe comprises interior peripheral passage 6 and outer circulation path 7, interior peripheral passage 6 comprises the inner gateway heat input section 11, inner gateway isolation section 12 and the inner gateway thermal output section 13 that are located on inner gateway heat pipe shell 1, and outer circulation path 7 comprises the hot input section 21 of the outer path being located on outer path heat pipe shell 2, outer path isolation section 22 and outer path thermal output section 23.Outer path heat pipe shell 2 is sleeved on the outside on inner gateway heat pipe shell 1, particular location is corresponding with the position of inner gateway isolation section 12, and length equals the length of inner gateway isolation section 12, i.e. outer path heat input section 21, the total length of outer path isolation section 22 and outer path thermal output section 23 equals the length of inner gateway isolation section 12, inner gateway isolation section 12 is positioned at the centre of inner gateway heat input section 11 and inner gateway thermal output section 13, the tube wall of inner gateway isolation section 12 is divided into two-layer, inner gateway isolation section tube wall outer 121 adopts heat-insulating material, inner gateway isolation section tube wall internal layer 122 is integrated with inner gateway heat pipe shell 1, be metal material, outer path isolation section 22 is positioned at the centre of outer path heat input section 21 and outer path thermal output section 23.
The thickness of the inner gateway isolation section tube wall skin 121 of present embodiment is 1/3～1/2 of inner gateway heat pipe shell 1 pipe thickness.
The inner gateway heat pipe shell 1 of present embodiment and the tube wall of outer path heat pipe shell 2 inner side are equipped with capillary materials 3, in the space of capillary materials 3, be full of liquid working substance 4, after heat input, the central space of interior peripheral passage 6 and outer circulation path 7 is full of the saturated vapor 5 of liquid working substance 4.
The metal tube that the inner gateway heat pipe shell 1 of present embodiment is sealing, outer path heat pipe shell 2 is metal tube, and after suit, interior peripheral passage 6 and outer circulation path 7 are hermetically-sealed construction, and the material of metal tube is aluminium alloy.
The inner gateway heat input section 1 of the heat pipe of present embodiment is connected thermal source with outer path heat input section 2, the heat of inner gateway thermal source is transferred to inner gateway heat input section 11 by inner gateway heat pipe shell 1, inner gateway heat input section 11 passes to capillary structure 3 and liquid working substance wherein 4, liquid working substance 4 temperature raise the evaporation on its Free Surface are strengthened, steam 5 in pipe is under the steam pressure difference effect of inner gateway heat input section 11 and inner gateway thermal output section 13, flow to inner gateway thermal output section 13 by inner gateway heat input section 11, in inner gateway thermal output section 13, discharge the latent heat of vaporization, regelation becomes liquid working substance 4, be back to inner gateway heat input section 11 by capillary structure 3 again, working medium completes a flow circuit like this, the heat of inner gateway thermal source is transferred to inner gateway thermal output section 13 to be emitted, inner gateway thermal output section 13 can also can be in natural heat extraction state with heat sink connection, the heat of outer path thermal source is transferred to outer path heat input section 21 by outer path heat pipe shell 2, outer path heat input section 21 passes to capillary structure 3 and liquid working substance wherein 4, liquid working substance 4 temperature raise the evaporation on its Free Surface are strengthened, steam 5 in pipe outside path heat is inputted under the steam pressure difference effect of section 21 and outer path thermal output section 23, flow to outer path thermal output section 23 by outer path heat input section 21, in the section of path thermal output outside 23, discharge the latent heat of vaporization, regelation becomes liquid working substance 4, be back to outer path heat input section 21 by capillary structure 3 again, working medium completes a flow circuit like this, the heat of outer path thermal source is transferred to outer path thermal output section 23 to be emitted, outer path thermal output section 23 can also can be in natural heat extraction state with heat sink connection, the heat pipe of present embodiment can two thermals source of effective cooling, and because the hot distance piece 12 of inner gateway adopts heat-insulating material, the peripheral passage of two thermals source is independent of each other mutually, further alleviates the weight of space system thermal control system, save the space of space system.
Claims (6)
1. a heat pipe for applicable space application, is characterized in that, this heat pipe comprises interior peripheral passage (6) and outer circulation path (7);
Interior peripheral passage (6) comprises the inner gateway heat input section (11), inner gateway isolation section (12) and the inner gateway thermal output section (13) that are located on inner gateway heat pipe shell (1);
Outer circulation path (7) comprises the outer path heat input section (21), outer path isolation section (22) and the outer path thermal output section (23) that are located on outer path heat pipe shell (2);
Described outer path heat pipe shell (2) is sleeved on the outside of inner gateway heat pipe shell (1), and equal in length with inner gateway isolation section (12), position correspondence;
Described inner gateway isolation section (12) is positioned between inner gateway heat input section (11) and inner gateway thermal output section (13), the tube wall of inner gateway isolation section (12) is double-decker, inner gateway isolation section tube wall skin (121) is heat-insulating material, and inner gateway isolation section tube wall internal layer (122) is metal material;
Described outer path isolation section (22) is positioned between outer path heat input section (21) and outer path thermal output section (23);
Described inner gateway heat input section (12) is inputted section (22) for being connected thermal source with outer path heat.
2. the heat pipe of a kind of applicable space application according to claim 1, is characterized in that, the thickness of described inner gateway isolation section tube wall skin (121) be inner gateway heat pipe shell (1) pipe thickness 1/3～1/2.
3. the heat pipe of a kind of applicable space application according to claim 1, is characterized in that, described inner gateway isolation section tube wall internal layer (122) is integrated with inner gateway heat pipe shell (1).
4. the heat pipe of a kind of applicable space application according to claim 1, it is characterized in that, the tube wall inner side of described inner gateway heat pipe shell (1) and the tube wall inner side of outer path heat pipe shell (2) are all equipped with capillary materials (3), are full of liquid working substance (4) in the space of described capillary materials (3).
5. the heat pipe of a kind of applicable space application according to claim 1, is characterized in that, described inner gateway heat pipe shell (1) and outer path heat pipe shell (2) are metal tube.
6. the heat pipe of a kind of applicable space application according to claim 5, is characterized in that, the material of described metal tube is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320751667.6U CN203657578U (en) | 2013-11-25 | 2013-11-25 | Heat pipe suitable for space application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320751667.6U CN203657578U (en) | 2013-11-25 | 2013-11-25 | Heat pipe suitable for space application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657578U true CN203657578U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320751667.6U Expired - Fee Related CN203657578U (en) | 2013-11-25 | 2013-11-25 | Heat pipe suitable for space application |
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| Country | Link |
|---|---|
| CN (1) | CN203657578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615922A (en) * | 2013-11-25 | 2014-03-05 | 中国科学院长春光学精密机械与物理研究所 | Heat pipe suitable for space application |
| CN104154943A (en) * | 2014-08-08 | 2014-11-19 | 中国科学院长春光学精密机械与物理研究所 | Thermal test outer heat flux simulation system and method for space optical remote sensor |
-
2013
- 2013-11-25 CN CN201320751667.6U patent/CN203657578U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615922A (en) * | 2013-11-25 | 2014-03-05 | 中国科学院长春光学精密机械与物理研究所 | Heat pipe suitable for space application |
| CN104154943A (en) * | 2014-08-08 | 2014-11-19 | 中国科学院长春光学精密机械与物理研究所 | Thermal test outer heat flux simulation system and method for space optical remote sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20141125 |
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| EXPY | Termination of patent right or utility model |