CN110686543A - Phase-change energy-storage temperature-equalizing plate - Google Patents
Phase-change energy-storage temperature-equalizing plate Download PDFInfo
- Publication number
- CN110686543A CN110686543A CN201911076210.8A CN201911076210A CN110686543A CN 110686543 A CN110686543 A CN 110686543A CN 201911076210 A CN201911076210 A CN 201911076210A CN 110686543 A CN110686543 A CN 110686543A
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- shell
- energy storage
- change energy
- phase change
- temperature
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Classifications
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- 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
- F28D15/04—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 tubes having a capillary structure
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- 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
- F28D15/04—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 tubes having a capillary structure
- F28D15/046—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 tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- 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)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a phase-change energy storage temperature equalizing plate in the field of aerospace thermal control product manufacturing, which comprises a temperature equalizing plate and a phase-change energy storage tube; the temperature-equalizing plate is of a hollow shell structure and comprises a first shell and a second shell, a capillary structure is further arranged in the temperature-equalizing plate and fixed on the second shell, and a heat transfer working medium steam area is formed between one end of the capillary structure, far away from the second shell, and the first shell; the phase change energy storage tube is connected to the second shell and is located in the capillary structure area. The invention solves the problem that the common temperature equalizing plate is difficult to meet the stable temperature control requirement of the transient large heat consumption equipment through phase change energy storage, and has high-efficiency heat transfer capability and stable temperature control capability.
Description
Technical Field
The invention relates to the field of aerospace thermal control product manufacturing, in particular to a phase change energy storage temperature equalizing plate based on a heat pipe heat transfer principle and a solid-liquid phase change energy storage principle.
Background
With the continuous development of the aerospace technology, a satellite platform shows the development trend of multitasking, multiple functions and high power consumption, the mounting density and the single-machine power consumption flux of satellite-borne electronic equipment are continuously increased, the equipment integration level is high, and the power consumption density is high, so that higher requirements are provided for the temperature control, heat collection, transmission and dissipation capabilities of an overall satellite thermal control product. For equipment with large heat productivity, the heat of the equipment needs to be diffused to the inner wall surface of the cabin body through a Vapor chamber (Vapor chamber), and then the heat is dissipated to the space through the outer wall surface of the cabin body in a heat radiation mode.
The common temperature equalizing plate is a flat plate body, the inner wall surface of the plate body is provided with a capillary tissue, and a supporting structure is usually arranged in the plate body, so that the problem that the flatness required by plane contact with heating equipment cannot be achieved due to plate body bulging caused by high-pressure steam in the plate can be avoided, and the heat transfer efficiency is influenced.
Because the area of the radiating surface is fixed, the radiation power consumption in the space is basically determined. For the equipment in the instantaneous high-power-consumption intermittent working mode, because the heat instantaneously exceeds the heat dissipation capacity of the heat dissipation channel, the heat is accumulated in the equipment, the temperature of the equipment is instantaneously and violently increased, the working temperature of the equipment is possibly exceeded the upper limit of the working temperature of the equipment, the safety of the equipment is endangered, and the working life of the equipment components is shortened in the environments of sudden temperature increase and sudden temperature decrease. The traditional temperature-equalizing plate only has heat transmission capacity, has small heat capacity, can generate temperature sudden-rise and temperature sudden-fall phenomena along with load transient power consumption, and does not have the capacity of maintaining the temperature stability of equipment.
Through prior art retrieval discovery, chinese utility model patent publication is CN205382576U, discloses a phase change energy storage material board, be the polyurethane base plate of rectangle form including the cross-section the arc cavity has been seted up to the inside of polyurethane base plate, arc cavity is divided into left cavity, middle cavity and right cavity by sealed post A and sealed post B, sealed post A and sealed post B's upper and lower both ends all are provided with sealed piece, the medial surface of sealed piece closely laminates on polyurethane base plate outer wall be provided with the phase change energy storage body in left side cavity and the right cavity, be provided with heat preservation foam in the middle cavity, and a plurality of sealed holes have been seted up in the polyurethane base plate. Through being provided with the phase change energy storage body in the arc cavity, can improve the thermal insulation performance of polyurethane base plate, through be provided with heat preservation foam in the arc cavity, can further improve the thermal insulation performance of polyurethane base plate, through having seted up sealed hole in the polyurethane base plate, can reduce the coefficient of heat conductivity of polyurethane base plate to improve its thermal insulation performance. The function of the plate is only to preserve heat, and is not beneficial to preventing the material from being damaged by temperature mutation.
Disclosure of Invention
In view of the shortcomings in the prior art, it is an object of the present invention to provide a method.
The phase-change energy storage temperature equalizing plate comprises a temperature equalizing plate and a phase-change energy storage tube;
the temperature-equalizing plate is of a hollow shell structure and comprises a first shell and a second shell, a capillary structure is further arranged in the temperature-equalizing plate and fixed on the second shell, and a heat transfer working medium steam area is formed between one end of the capillary structure, far away from the second shell, and the first shell;
the phase change energy storage tube is connected to the second shell and is located in the capillary structure area.
In some embodiments, the phase change energy storage tube is a U-shaped, S-shaped, or return tube.
In some embodiments, the phase change material filled in the phase change energy storage tube is one or more of tetradecane, hexadecane and octadecane.
In some embodiments, reinforcing columns are disposed between the first housing and the second housing, and the reinforcing columns are distributed in an array.
In some embodiments, opposite ends of the reinforcing column are connected to the first shell and the phase change energy storage tube, respectively.
In some embodiments, the reinforcing column is connected with the first shell and the phase change energy storage tube by diffusion welding.
In some embodiments, a heat transfer working medium is filled between the capillary structures, and the heat transfer working medium is high-purity ammonia or acetone.
In some embodiments, the capillary structure is a stacked sintered structure, and the capillary structure is made of stainless steel.
In some embodiments, the capillary structure is made of stainless steel and is connected with the second housing by brazing.
In some embodiments, the first and second shells are aluminum alloy material.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention solves the problem that the common temperature equalizing plate is difficult to meet the stable temperature control requirement of the transient large heat consumption equipment through phase change energy storage, and has high-efficiency heat transfer capability and stable temperature control capability.
2. The temperature equalizing plate is a heat transfer and heat spreading device with a phase change energy storage function, is not only used for high-efficiency heat transfer, but also has the capability of restraining rapid temperature rise and rapid temperature drop changes of equipment caused by transient high-power heat flow, and the equipment is maintained in a proper working temperature range through the control of a phase change temperature point.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a first embodiment of the present invention;
FIG. 3 is a square tube phase change energy storage tube according to the second embodiment of the present invention;
FIG. 4 is a second welding assembly of the phase change energy storage tube and the temperature equalization plate according to the second embodiment of the present invention;
FIG. 5 is a first housing of a vapor chamber with reinforcing pillars according to a second embodiment of the present invention;
FIG. 6 is a schematic diagram of a temperature equalization plate structure according to a second embodiment of the present invention;
FIG. 7 is a sectional view of a vapor chamber according to a second embodiment of the present invention;
in the figure:
the heat-transfer energy-storage device comprises a phase-change energy-storage tube 1, a first shell 2, a second shell 3, a capillary structure 4, a heat-transfer working medium steam area 5, a reinforcing column 6 and a phase-change energy-storage material 7.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The following description will be given of preferred embodiments of the present invention with reference to fig. 1 to 7 to explain the technical solutions of the present invention in detail.
Example 1
In the first embodiment shown in fig. 1 and 2, the first shell 2 and the second shell 3 of the uniform temperature plate are made of aluminum alloy materials to form a heat transfer working medium cavity, the phase change energy storage tube 1 is in the form of a closed serpentine coil, the serpentine coil is brazed on the second shell 3 of the uniform temperature plate, a filling opening is reserved on the wall surface of the uniform temperature plate, hexadecane is filled as an energy storage phase change material after the uniform temperature structure is manufactured, the capillary structure 4 is in a stainless steel wire mesh laminated sintering structure and is brazed on the second shell 3 of the uniform temperature plate, after the uniform temperature structure is manufactured, the capillary structure 4 and the heat transfer working medium steam area 5 are communicated to form a heat transfer working medium cavity, acetone or high-purity ammonia heat transfer working medium is filled, and the heat transfer working medium cavity is isolated from the phase change energy storage tube 1. The phase change material cavity 1 adopts a serpentine coil structure, so that the contact area with a heat transfer working medium can be increased, the heat transfer capacity to the phase change material is improved, the utilization rate of the phase change material is favorably improved, and the layout of the phase change material cavity 1 at the position of the capillary structure 4 in the whole temperature equalizing plate cavity does not influence the high-efficiency heat transfer of the whole gas-liquid phase change circulation of the temperature equalizing plate. The snakelike coil pipe structure of the phase-change material cavity 1 can adopt various forms, and the coil pipe density and the size of the inner cavity can be adjusted to be enlarged or reduced according to the energy storage requirement by the cavity filled with the phase-change material. The temperature control point of the temperature equalization plate can be adjusted by adjusting the proportion of the phase change material, for example, the filling proportion can be adjusted by utilizing the difference of the solid-liquid phase change points of hexadecane and tetradecane, so that the temperature control point is at any temperature between the solid-liquid phase change points of hexadecane and tetradecane.
Example 2
In the second embodiment shown in fig. 3 and 7, the phase change energy storage tube 1 is in the form of a closed square-shaped tube, the square-shaped tube is brazed on the second shell 3 of the temperature equalization plate, as shown in fig. 4, a filling port is left on the wall surface of the temperature equalization plate, hexadecane is filled as the energy storage phase change material 7, and the capillary structure 4 is in a stainless steel wire mesh laminated sintered structure and is brazed on the second shell 3 of the temperature equalization plate. The first shell 2 of the temperature-uniforming plate is provided with an array reinforcing column 6 structure, the requirements of a high-pressure working medium and a large-area temperature-uniforming plate on structural strength can be met, a steam circulation channel is arranged between the reinforcing columns, the first shell 2 of the temperature-uniforming plate and the second shell 3 of the temperature-uniforming plate welded with the clip-shaped phase-change energy storage tube 1 are welded into a closed cavity through the reinforcing columns and the peripheral frame body by diffusion welding, a heat transfer working medium cavity is formed, and high-purity ammonia is filled. This embodiment two is applicable to high pressure working medium or large tracts of land samming board, unites two into one with additional strengthening and phase transition energy storage pipe, and the clearance between the enhancement post 6 is as heat transfer working medium steam circulation passageway, can not obstruct the circulation of steam, does not influence the whole samming temperature nature of samming board. The square pipe structure of the phase-change material cavity 1 can adopt various forms, the cavity layout and the size of the filled phase-change material can be according to the energy storage requirement, and the reinforcing column 6 structure is laid out according to the square pipe. The temperature control point of the temperature equalization plate can be adjusted by adjusting the proportion of the phase change material, for example, the filling proportion can be adjusted by utilizing the difference of the solid-liquid phase change points of hexadecane and tetradecane, so that the temperature control point is at any temperature between the solid-liquid phase change points of hexadecane and tetradecane.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The phase change energy storage temperature equalizing plate is characterized by comprising a temperature equalizing plate and a phase change energy storage tube (1);
the temperature-equalizing plate is of a hollow shell structure and comprises a first shell (2) and a second shell (3), a capillary structure (4) is further arranged in the temperature-equalizing plate, the capillary structure (4) is fixed on the second shell (3), and a heat transfer working medium steam area (5) is formed between one end, far away from the second shell (3), of the capillary structure (4) and the first shell (2);
the phase change energy storage tube (1) is connected to the second shell (3) and is located in the capillary structure (4) area.
2. The phase change energy storage temperature equalization plate according to claim 1, wherein the phase change energy storage tube (1) is a U-shaped, S-shaped or loop-shaped tube.
3. The phase change energy storage temperature equalizing plate according to claim 2, wherein the phase change material filled in the phase change energy storage tube (1) is one or more of tetradecane, hexadecane and octadecane.
4. The phase change energy storage temperature equalization plate according to claim 1, characterized in that reinforcing columns (6) are arranged between the first shell (2) and the second shell (3), and the reinforcing columns (6) are distributed in an array.
5. The phase change energy storage temperature equalizing plate according to claim 4, wherein opposite ends of the reinforcing column (6) are respectively connected with the first shell (2) and the phase change energy storage tube (1).
6. The phase change energy storage temperature equalizing plate as claimed in claim 5, wherein the reinforcing columns (6) are connected with the first shell (2) and the phase change energy storage tube (1) by diffusion welding.
7. The phase-change energy-storage temperature-uniforming plate according to claim 1, wherein a heat transfer working medium is filled between the capillary structures (4), and the heat transfer working medium is high-purity ammonia or acetone.
8. The phase-change energy storage temperature equalization plate according to claim 7, wherein the capillary structure (4) is a laminated sintered structure, and the capillary structure (4) is made of stainless steel material.
9. The phase-change energy storage temperature equalization plate according to claim 8, wherein the capillary structure (4) is made of stainless steel material, and the capillary structure (4) is connected with the second shell (3) by brazing.
10. The phase change energy storage temperature equalization plate of claim 1, wherein the first shell (2) and the second shell (3) are aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076210.8A CN110686543A (en) | 2019-11-06 | 2019-11-06 | Phase-change energy-storage temperature-equalizing plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911076210.8A CN110686543A (en) | 2019-11-06 | 2019-11-06 | Phase-change energy-storage temperature-equalizing plate |
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| CN110686543A true CN110686543A (en) | 2020-01-14 |
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| CN201911076210.8A Pending CN110686543A (en) | 2019-11-06 | 2019-11-06 | Phase-change energy-storage temperature-equalizing plate |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397418A (en) * | 2020-02-24 | 2020-07-10 | 南京六九零二科技有限公司 | Three-dimensional steam cavity type phase-change heat storage device |
| CN111417284A (en) * | 2020-03-20 | 2020-07-14 | 北京精密机电控制设备研究所 | Servo device |
| CN111902015A (en) * | 2020-06-18 | 2020-11-06 | 北京遥感设备研究所 | Heat conduction and heat storage integrated thermal control structure and preparation method |
| CN112077547A (en) * | 2020-08-03 | 2020-12-15 | 东莞领杰金属精密制造科技有限公司 | Soaking plate structure without liquid absorption core and preparation method thereof |
| CN112648020A (en) * | 2020-12-22 | 2021-04-13 | 润电能源科学技术有限公司 | Pure condensing unit with phase change energy storage function |
| CN113140836A (en) * | 2021-04-13 | 2021-07-20 | 航天科工空间工程发展有限公司 | Thermal control structure and storage battery structure comprising same |
| CN113873837A (en) * | 2021-09-26 | 2021-12-31 | 深圳威铂驰热技术有限公司 | Efficient cooling method for reducing surface temperature of device |
| TWI769445B (en) * | 2020-04-10 | 2022-07-01 | 國立成功大學 | Heat exchanging unit and heat exchanging and storing system |
| CN116280282A (en) * | 2023-05-10 | 2023-06-23 | 株洲太空星际卫星科技有限公司 | Integrated thermal control device based on phase-change energy storage temperature-equalizing plate and expandable radiator |
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| CN209279746U (en) * | 2018-10-16 | 2019-08-20 | 华南理工大学 | A kind of heat accumulation heat dissipation microchannel aluminothermy pipe based on solid-liquid double-work medium |
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| CN87104257A (en) * | 1986-06-17 | 1988-01-20 | 松下电器产业株式会社 | Latent heat storage device |
| JPH10220975A (en) * | 1997-01-31 | 1998-08-21 | Akutoronikusu Kk | Composite plate heat pipe |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397418A (en) * | 2020-02-24 | 2020-07-10 | 南京六九零二科技有限公司 | Three-dimensional steam cavity type phase-change heat storage device |
| CN111417284A (en) * | 2020-03-20 | 2020-07-14 | 北京精密机电控制设备研究所 | Servo device |
| CN111417284B (en) * | 2020-03-20 | 2022-11-22 | 北京精密机电控制设备研究所 | a servo device |
| TWI769445B (en) * | 2020-04-10 | 2022-07-01 | 國立成功大學 | Heat exchanging unit and heat exchanging and storing system |
| CN111902015A (en) * | 2020-06-18 | 2020-11-06 | 北京遥感设备研究所 | Heat conduction and heat storage integrated thermal control structure and preparation method |
| CN111902015B (en) * | 2020-06-18 | 2023-08-15 | 北京遥感设备研究所 | Heat conduction and heat storage integrated heat control structure and preparation method |
| CN112077547A (en) * | 2020-08-03 | 2020-12-15 | 东莞领杰金属精密制造科技有限公司 | Soaking plate structure without liquid absorption core and preparation method thereof |
| CN112648020A (en) * | 2020-12-22 | 2021-04-13 | 润电能源科学技术有限公司 | Pure condensing unit with phase change energy storage function |
| CN113140836A (en) * | 2021-04-13 | 2021-07-20 | 航天科工空间工程发展有限公司 | Thermal control structure and storage battery structure comprising same |
| CN113873837A (en) * | 2021-09-26 | 2021-12-31 | 深圳威铂驰热技术有限公司 | Efficient cooling method for reducing surface temperature of device |
| CN116280282A (en) * | 2023-05-10 | 2023-06-23 | 株洲太空星际卫星科技有限公司 | Integrated thermal control device based on phase-change energy storage temperature-equalizing plate and expandable radiator |
| CN116280282B (en) * | 2023-05-10 | 2024-01-19 | 株洲太空星际卫星科技有限公司 | Integrated thermal control device based on phase-change energy storage temperature-equalizing plate and expandable radiator |
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Application publication date: 20200114 |