CN-122025915-A - Embedded flat-plate VC skin heat exchange system

Abstract

The invention relates to the technical field of skin heat dissipation, in particular to an embedded flat VC skin heat exchange system, which comprises an integrated skin structure, wherein a flat temperature equalizing plate is embedded in the integrated skin structure, and a steam cavity, a capillary core structure and a phase change working medium are arranged in the flat temperature equalizing plate. According to the invention, the flat temperature equalization plate and the unmanned aerial vehicle equipment bearing shell skin are subjected to integrated design, so that a skin-temperature equalization plate composite structure with high heat conduction capability is formed, heat generated by a battery module is directly conducted to the composite structure, phase change working medium in the temperature equalization plate is diffused to the surface of the whole skin, and finally forced convection heat exchange is carried out by utilizing the outer surface of the skin and high-speed air flow in a flying environment.

Inventors

• LIAN HONGKUI
• NIU YANJIE
• Mou Kesai
• ZHANG YAGUANG
• WANG YIZHE

Assignees

• 北京热数科技有限公司

Dates

Publication Date

20260512

Application Date

20260213

Claims (8)

1. 1. The embedded type flat-plate VC (vitamin C) skin heat exchange system comprises an integrated skin structure and is characterized in that a flat-plate temperature equalizing plate (2) is embedded in the integrated skin structure, a steam cavity, a capillary core structure and a phase change working medium are arranged inside the flat-plate temperature equalizing plate (2), and a battery module (1) is attached to the surface of the flat-plate temperature equalizing plate (2).
2. 2. The embedded flat-plate VC skin heat exchange system as claimed in claim 1, wherein the flat-plate temperature equalizing plate (2) is made of a light alloy material, and the light alloy material can be an alloy material such as aluminum alloy, magnesium alloy and the like, and the thickness of the flat-plate temperature equalizing plate (2) is 2-5mm.
3. 3. The embedded flat-panel VC skin heat exchange system of claim 1 wherein said flat-panel temperature equalization plate (2) is embedded into an inner layer carrying the skin as a core layer, said flat-panel temperature equalization plate (2) being integrated with the skin by a braze joint process.
4. 4. The embedded flat-plate VC skin heat exchange system as claimed in claim 1, wherein the bottom of the flat-plate temperature equalizing plate (2) is provided with a microstructure array, the microstructure array is in the structures of fins (3), micro ribs, corrugated bulges and the like, and the height of the microstructure array is 0.2-1mm, and the interval is 0.5-2mm.
5. 5. The embedded flat-plate VC skin heat exchange system as claimed in claim 1, wherein the front edge and the rear edge of the flat-plate temperature equalizing plate (2) are provided with diversion grooves which can be in different shapes such as linear type and arc type.
6. 6. The embedded flat panel VC skin heat transfer system of claim 1, wherein the vapor chamber, the capillary core structure, and the integrated skin structure are connected by a diffusion welding or laser welding process, and the vapor chamber, the capillary core, and the skin shell are integrally formed.
7. 7. The embedded flat-panel VC skin heat exchange system according to claim 1, wherein a supporting structure is arranged in the phase change working medium, the supporting structure is a capillary core structure, the phase change working medium is pure water, ethanol or ammonia water, and the capillary core structure is a copper mesh, sintered powder or groove structure.
8. 8. The embedded flat-plate VC skin heat exchange system as claimed in claim 1, wherein the battery module (1) is tightly attached to the inner surface of the flat-plate temperature equalizing plate (2) through heat conducting gel or welding.

Description

Embedded flat-plate VC skin heat exchange system Technical Field The invention relates to the technical field of skin heat dissipation, in particular to an embedded flat-plate VC skin heat exchange system. Background An embedded flat temperature equalizing plate (VC) skin heat dissipation system is characterized in that an VC efficient phase change heat transfer unit and an equipment bearing shell skin are integrally designed, the outer surface of the skin and ambient air flow are directly utilized for enhanced heat convection, and an ultrathin flat temperature equalizing plate is used for replacing a traditional liquid cooling scheme. The existing unmanned aerial vehicle battery dissipates heat and adopts an independent heat dissipation module (such as a heat dissipation fin and a split VC), and additionally occupies the internal space of the unmanned aerial vehicle battery, so that the compactness of the battery and the motor layout is insufficient, and the power density of the motor is limited. Meanwhile, the traditional heat dissipation structure and the machine body shell are in split design, heat is required to be transferred to the external environment through multiple layers of conduction paths, the heat transfer efficiency is low, and the heat dissipation requirement of the high-power battery is difficult to meet. Disclosure of Invention The invention aims to solve the problems of low heat transfer efficiency and extra occupation of the internal space of a machine body in the prior art, and provides an embedded flat-plate VC skin heat exchange system. In order to achieve the above purpose, the present invention adopts the following technical scheme: the embedded type flat VC skin heat exchange system comprises an integrated skin structure, wherein a flat temperature equalizing plate is embedded in the integrated skin structure, a steam cavity, a capillary core structure and a phase change working medium are arranged in the flat temperature equalizing plate, and a battery module is attached to the surface of the flat temperature equalizing plate. Preferably, the flat temperature equalizing plate is made of a light alloy material, the light alloy material can be an alloy material such as aluminum alloy and magnesium alloy, and the flat temperature equalizing plate is at Wen Banhou degrees of 2-5mm. Preferably, the flat temperature equalizing plate is embedded into an inner layer bearing the skin to serve as a core layer, and the flat temperature equalizing plate is integrated with the skin through a brazing connection process. Preferably, the flat plate Wen Bande is provided with a microstructure array, the microstructure array is in the structures of fins, micro ribs, corrugated bulges and the like, the height of the microstructure array is 0.2-1mm, and the interval is 0.5-2mm. Preferably, the front edge and the rear edge of the flat temperature equalizing plate are provided with diversion trenches, and the diversion trenches can be in different shapes such as linear type, arc-shaped and the like. Preferably, the steam cavity, the capillary core structure and the integrated skin structure are connected through diffusion welding or laser welding technology, and the steam cavity, the capillary core and the skin shell are integrally formed. Preferably, a supporting structure is arranged in the phase-change working medium, the supporting structure is a capillary core structure, the phase-change working medium is pure water, ethanol or ammonia water, and the capillary core structure is a copper mesh, sintered powder or groove structure. Preferably, the battery module is tightly attached to the inner surface of the flat temperature equalizing plate through heat conducting gel or welding. Compared with the prior art, the invention has the following advantages: 1. According to the invention, the flat temperature equalization plate and the unmanned aerial vehicle equipment bearing shell skin are integrally designed to form a skin-temperature equalization plate composite structure with high heat conduction capability, heat generated by the battery module is directly conducted to the composite structure, and is diffused to the surface of the whole skin through a phase change working medium in the temperature equalization plate, and finally forced convection heat exchange is carried out by utilizing the outer surface of the skin and high-speed air flow in a flying environment. 2. The invention cancels the traditional independent heat radiation module, reduces the volume, the weight and the thermal interface of the system, improves the heat radiation efficiency, releases the space and the load for the core components such as the unmanned aerial vehicle motor, the battery and the like, and improves the power density and the cruising ability of the whole machine. Drawings Fig. 1 is a schematic structural diagram of an embedded flat-panel VC skin heat exchange system according to the present invention. In the figur