CN210900186U - Heat storage device based on phase change energy storage material - Google Patents
Heat storage device based on phase change energy storage material Download PDFInfo
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- CN210900186U CN210900186U CN201922206860.1U CN201922206860U CN210900186U CN 210900186 U CN210900186 U CN 210900186U CN 201922206860 U CN201922206860 U CN 201922206860U CN 210900186 U CN210900186 U CN 210900186U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a heat-retaining device based on phase change energy storage material, include: the shell is provided with a first opening end and a second opening end, and phase change energy storage materials are filled in the shell; the sealing plate covers the first opening end of the shell; the upper cover plate covers the first opening end of the shell and is positioned outside the sealing plate; and the lower bottom plate covers the second opening end of the shell. The heat storage device is small in size and light in weight, can effectively absorb heat generated by an electronic element to reduce the temperature of the electronic element, and has the advantages of good sealing property, high stability and long service life.
Description
Technical Field
The utility model relates to a heat-retaining device technical field, concretely relates to heat-retaining device based on phase change energy storage material.
Background
With the rapid development of electronic technology, electronic devices tend to be more integrated and miniaturized. The power of the unit area of the electronic equipment is increased, so that the generation and accumulation of heat are increased, meanwhile, the electronic equipment is usually in a relatively closed working environment, and the traditional heat dissipation method cannot dissipate a large amount of heat, so that the operation stability and the service life of the electronic equipment are seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's defect, provide a heat-retaining device based on phase change energy storage material for solve among the prior art problem that electron device radiating effect is not good, life is not enough.
The utility model provides a heat-retaining device based on phase change energy storage material, it includes:
the shell is provided with a first opening end and a second opening end, and phase change energy storage materials are filled in the shell;
the sealing plate covers the first opening end of the shell;
the upper cover plate covers the first opening end of the shell and is positioned outside the sealing plate;
and the lower bottom plate covers the second opening end of the shell.
Further, the phase change energy storage material is a solid-solid phase change energy storage material.
Further, the solid-solid phase change energy storage material is inorganic hydrated salt.
Further, the joint of the sealing plate and the housing is coated with a metal sealant and connected with the housing by a fastener.
Further, the upper cover plate and the lower base plate are connected with the shell in a laser welding mode.
Further, the shell, the sealing plate, the upper cover plate and the lower bottom plate are made of metal materials.
Further, the metal material is an aluminum alloy or a titanium alloy.
Further, the shell is processed and formed in a wire cutting mode.
The utility model provides a heat-retaining device utilizes casing and solid-solid phase change energy storage material's sensible heat and solid-solid phase change energy storage material's latent heat to solve the electron device jointly and distribute out thermal problem to this heat-retaining device adopts laser welding, and the leakproofness is good, and is small, light in weight, and stability is high, long service life.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Fig. 1 is a schematic perspective exploded view of a heat storage device according to an embodiment of the present invention;
fig. 2 is a schematic view of a three-dimensional combined structure of a heat storage device according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 2, a heat storage device based on phase change energy storage material includes a housing 1, a phase change energy storage material 2, a sealing plate 3, an upper cover plate 4 and a lower base plate 5. The shell 1 is provided with a first opening end and a second opening end, and the phase change energy storage material 2 is filled in the shell 1; the sealing plate 3 covers the first opening end of the shell 1, the upper cover plate 4 covers the first opening end of the shell 1 and is located outside the sealing plate 3, and the lower bottom plate 5 covers the second opening end of the shell 1.
The housing 1, the sealing plate 3, the upper cover plate 4 and the lower base plate 5 are made of metal materials, preferably metal materials with strong thermal conductivity and light weight, such as aluminum alloy or titanium alloy. The housing 1 is machined by wire cutting to ensure high machining accuracy and good surface quality of the housing. The sealing plate 3 covers the first opening end of the shell 1 and is connected with the shell 1 through a fastening element, the fastening element can be a bolt, a buckle structure and the like, and metal sealant is coated at the joint of the sealing plate 3 and the shell 1 to improve the sealing performance of the heat storage device. The upper cover plate 4 and the first opening end of the shell 1 and the lower bottom plate 5 and the second opening end of the shell 1 are respectively welded by laser to ensure that the sealing performance is good. In addition, the shape and size of the housing 1 can be selected by those skilled in the art according to the need, such as cylindrical, prismatic or other shapes, and are not limited herein.
In the embodiment of the present invention, the phase change energy storage material is filled in the casing 1, and the phase change energy storage material may be a solid-liquid phase change energy storage material, or a solid-solid phase change energy storage material, preferably a solid-solid phase change energy storage material. Compared with the solid-liquid phase change energy storage material, the solid-solid phase change energy storage material has the advantages of high expansion rate, large volume change and easy leakage when absorbing heat and carrying out phase change. The solid-solid phase change energy storage material is preferably an inorganic hydrated salt. The main matrix material of the phase-change material is inorganic hydrated salt, the components of the phase-change material comprise a nucleating agent, a phase separation preventing agent, a heat conducting material, an adsorbing material and the like, the phase-change material is formed by compounding in a vacuum adsorption mode, the solid-solid phase-change energy storage material is crushed and then placed in a forming die for compression forming, the formed solid-solid phase-change energy storage material 2 is adaptive to the inner shape of the shell 1, and the size of the formed solid-solid phase-change energy storage material is 0.5-1.0mm wider than the inner cavity of the.
The following explains the assembly steps of the heat storage device provided by the present invention:
s1: the lower plate 5 is fitted to the second open end of the case 1 and laser-welded to ensure the sealability of the end.
S2: and pressing the formed solid-solid phase change energy storage material 2 into the shell by adopting a vacuum pressing method. When the solid-solid phase change energy storage material is loaded, a negative pressure state is formed in the shell in a vacuumizing mode, the formed solid-solid phase change energy storage material 2 block is pressed into the shell by using the external atmospheric pressure after the three-way valve is sealed, a small part of powder is peeled off when the solid-solid phase change energy storage material 2 block is pressed into the shell due to the fact that the size of the solid-solid phase change energy storage material 2 block is larger than that of the inner cavity of the shell, and no gap exists between the inner wall of the shell and.
S3: and coating metal sealant on the first opening end of the shell 1, covering the sealing plate 2 and fastening, and curing the metal sealant at normal temperature.
S4: the upper cover plate 4 is fitted to the first open end of the housing 1 (the seal plate 3 is located between the upper cover plate 4 and the first open end) and sealed by laser welding, completing the assembly.
S5: and (4) putting the assembled heat storage device into a high-temperature oven to perform a high-temperature experiment so as to detect whether the welding seam leakage condition exists.
The utility model provides a heat-retaining device is including heat-retaining and exothermic two stages in the course of the work, specifically as follows:
a heat storage stage: the metal shell of the heat storage device absorbs part of heat (sensible heat) and transmits the rest of heat to the solid-solid phase change energy storage material in the shell in a heat conduction mode, the solid-solid phase change energy storage material absorbs the heat to heat up (sensible heat), and when the temperature reaches the phase change point (80 +/-2 ℃) of the solid-solid phase change energy storage material, phase change occurs and a large amount of heat (latent heat) is absorbed, so that the continuous temperature rise of the electronic components is prevented, and the temperature of the system is balanced thermally.
An exothermic phase: when the electronic components stop working, the solid-solid phase change energy storage material in the heat storage device releases absorbed heat, and the material phase changes to the original state, so that the recycling of the phase change energy storage material is realized.
The utility model provides a heat-retaining device based on phase change energy storage material is applicable to electronic equipment's cooling heat dissipation, is particularly useful for the cooling heat dissipation of aerospace field electronic components under relative confined condition. However, the application of the heat storage device is not limited to the field of electronic equipment, and the heat storage device can also be used in the related fields of heat generation and exchange, such as temperature reduction of mechanical equipment or devices, waste heat recycling and the like.
The utility model provides a heat-retaining device based on phase change energy storage material has solid-solid phase change energy storage material at the inside packing of metal casing, and the first open end of casing has set gradually closing plate and upper cover plate, is provided with the lower plate at the second open end, and the closing plate uses sealed glue of metal to seal with first open end to upper cover plate and lower plate are connected with first open end and second open end through laser welding's mode respectively, have guaranteed the holistic sealing performance of heat-retaining device from this. In addition, the solid-solid phase change energy storage material filled in the shell can effectively absorb heat so as to reduce the temperature of an electronic device, and has small expansion coefficient when absorbing a large amount of heat and small pressure change in the shell, so that the heat storage device is not easy to generate the phenomena of shell bulging, leakage, deformation and the like, and has high product stability and long service life. Meanwhile, the heat storage device also has the advantages of small volume and light weight.
Finally, it is noted that: the above list is only the concrete implementation example of the present invention, and it is a matter of course that those skilled in the art can make modifications and variations to the present invention, and if these modifications and variations fall within the scope of the claims of the present invention and the equivalent technology, they should be considered as the protection scope of the present invention.
Claims (8)
1. A heat storage device based on phase change energy storage materials, comprising:
the shell is provided with a first opening end and a second opening end, and phase change energy storage materials are filled in the shell;
the sealing plate covers the first opening end of the shell;
the upper cover plate covers the first opening end of the shell and is positioned outside the sealing plate;
and the lower base plate covers the second opening end of the shell.
2. The heat storage device of claim 1 wherein the phase change energy storage material is a solid-solid phase change energy storage material.
3. The heat storage device of claim 2 wherein the solid-solid phase change energy storage material is an inorganic hydrated salt.
4. The heat storage device as claimed in any one of claims 1 to 3, wherein the junction of said sealing plate and said shell is coated with a metal sealant and connected to said shell by a fastener.
5. The heat storage device as claimed in any of claims 1 to 3, characterized in that the upper and lower cover plates are connected to the housing by means of laser welding.
6. The heat storage device as claimed in any one of claims 1 to 3, wherein the shell, the sealing plate, the upper cover plate and the lower base plate are made of a metal material.
7. The heat storage device according to claim 6, wherein the metal material is an aluminum alloy or a titanium alloy.
8. The heat storage device of claim 6 wherein said housing is formed by wire cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922206860.1U CN210900186U (en) | 2019-12-11 | 2019-12-11 | Heat storage device based on phase change energy storage material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922206860.1U CN210900186U (en) | 2019-12-11 | 2019-12-11 | Heat storage device based on phase change energy storage material |
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| Publication Number | Publication Date |
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| CN210900186U true CN210900186U (en) | 2020-06-30 |
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| CN201922206860.1U Active CN210900186U (en) | 2019-12-11 | 2019-12-11 | Heat storage device based on phase change energy storage material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117404948A (en) * | 2023-10-24 | 2024-01-16 | 中国电子科技集团公司第二十六研究所 | Building block type phase-change heat storage unit and assembly method thereof |
-
2019
- 2019-12-11 CN CN201922206860.1U patent/CN210900186U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117404948A (en) * | 2023-10-24 | 2024-01-16 | 中国电子科技集团公司第二十六研究所 | Building block type phase-change heat storage unit and assembly method thereof |
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Address after: 508, gate D, Guochuang Industrial Park, Laiguangying West Road, Chaoyang District, Beijing 100012 Patentee after: Beijing Zhongkai Xinke Technology Co.,Ltd. Address before: Room 10, 4 / F, block B, building 6, Guochuang Industrial Park, 8 Laiguangying, Chaoyang District, Chaoyang District, Beijing 100012 Patentee before: Beijing Zhongkai Xinke Technology Co.,Ltd. |
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