Production method of novel shaping phase-change thermal control apparatus based on honeycomb structure
A technology of honeycomb structure and phase change heat, which is applied in the field of satellite temperature control, can solve the problems that restrict the promotion and use of phase change energy storage technology, low thermal conductivity of materials, and easy leakage, etc., and achieve a simple thermal control design method and improve Mechanical properties, strengthening application effect
Inactive Publication Date: 2018-06-01
AEROSPACE DONGFANGHONG SATELLITE
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Problems solved by technology
However, the existing phase change energy storage technology has certain limitations, such as packaging difficulties caused by changes in material density and fluidity of liquid during the solid-liquid phase transition process, easy to leak, and low thermal conductivity of the material itself At the same time, due to the complexity of the phase change energy storage process, there are still many key issues that have not been effectively resolved, and these problems restrict the promotion and use of phase change energy storage technology to a certain extent.
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[0032] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0033] The invention provides a preparation method of a novel shaped phase change thermal control device based on a honeycomb structure, the device includes a honeycomb plate, an aluminum skin and a shaped phase change material;
[0034] The shape of the honeycomb panel has regular hexagon, rhombus, rectangle, bubble shape, circle, etc. according to the planar projection shape. Among them, the regular hexagonal honeycomb uses less material, is simple to manufacture, and has the highest structural efficiency, so hexagonal aluminum is selected. The honeycomb structure, as the core material of the honeycomb panel sandwich, can withstand greater pressure in the direction of the honeycomb holes.
[0035] The aluminum skin is a kind of aluminum alloy material;
[0036] The phase-change material refers to a substance that changes physical properties a...
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Abstract
A production method of a novel shaping phase-change thermal control apparatus based on a honeycomb structure relates to the technical field of temperature control of satellites and includes steps of:1) preparing a honeycomb plate in required size by wire-cutting a honeycomb plate bulk according to required length and width to prepare the honeycomb plate in the required size; 2) preparing a shaping phase-change material including paraffin, polyethylene and expandable graphite; 3) preparation of a shaping structure: heating the shaping phase-change material to melt, and slowly pressing the honeycomb plate into the fused shaping phase-change material; 4) polishing the outer surface of the shaping structure in the step 3) with abrasive paper; 5) adhering an aluminum skin onto the outer surface of the shaping structure after the polishing in the step 4). The shaping phase-change thermal control apparatus is greatly increased in longitudinal heat conductivity, so that temperature of a heated surface is greatly reduced during energy storage and thermal control processes, thus achieving a more effective temperature control effect.
Description
technical field [0001] The invention relates to the technical field of satellite temperature control, in particular to a preparation method of a novel shaped phase change thermal control device based on a honeycomb structure. Background technique [0002] With the rapid development of science and technology, energy storage technology is more and more widely used in energy, aerospace, electronics and other fields. In the field of energy, energy storage technology is an important method to ensure the stable operation of renewable energy such as solar energy and wind energy. It is also an effective means for energy systems such as buildings and refrigeration to balance peak and valley power consumption, save energy and reduce emissions. In aerospace, electronics and other fields, due to the existence of a large number of periodic and pulsed heat sources, the use of energy storage technology can effectively alleviate the impact of heat sources on electronic devices and other dev...
Claims
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IPC IPC(8): C09K5/06H05K7/20
CPCC09K5/063H05K7/20
Inventor徐志明房红军宁东坡谢诚
OwnerAEROSPACE DONGFANGHONG SATELLITE