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A power module structure

A power module and power control technology, applied in the field of avionics, can solve the problems of reducing heat generation, overheating and damage of power modules, etc., and achieve the effects of high space utilization, high reliability and strong operability

Active Publication Date: 2021-05-04
SHAANXI QIANSHAN AVIONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Therefore, the power module is required to minimize its own heat generation, so as to avoid overheating and damage to the power module under long-term working conditions.

Method used

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Embodiment Construction

[0022] The structure of the power supply module of the present invention is specifically described in conjunction with the accompanying drawings:

[0023] The main load-bearing structure of the power module is composed of the heat dissipation frame of the power module, and the heat dissipation frame of the power module is formed by overall milling of 2A12 aluminum alloy in T4 state. 2A12 aluminum alloy has high strength and good thermal conductivity. The overall milling of the sheet metal can reduce the accumulation of tolerances caused by the assembly of multiple parts, thereby improving the overall assembly and sealing of the product.

[0024] The heat dissipation frame of the power module is designed with a circular sinking platform 1 for energy storage capacitor installation. In order to ensure the insulation between the energy storage capacitor and the heat dissipation frame of the power module, a circular insulating gasket 2, an annular insulating sleeve 3 and Insulatin...

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PUM

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Abstract

The invention belongs to the technical field of avionics, and in particular relates to a power supply module structure. The power module is installed in the data management processor, receives the main power input from the aircraft, and provides secondary power supply for other functional boards in the data management processor while providing various power protection. The output power of the power module is large, and the power loss is large. The power module is required to reduce its own heat generation to the greatest extent, so as to avoid overheating and damage to the power module under long-term working conditions. Therefore, while the power module is required to realize the predetermined functions, it is necessary to arrange the power devices in the power module reasonably, conduct conduction and heat dissipation for the heat loss generated by it to the maximum extent, and maintain the working temperature of the entire power module to a safe level. In terms of structural configuration, the power module must have sufficient strength and rigidity to maintain the stable performance of its internal components under different environmental conditions, and must ensure easy installation, disassembly, maintenance, and reliable structure.

Description

technical field [0001] The invention belongs to the technical field of avionics, and in particular relates to a power supply module structure. Background technique [0002] A certain type of data management processor is an onboard supporting product of a certain type of aircraft. It collects sensor data, bus data, audio data and video data on the aircraft in real time, and sends the collected data to a fixed storage device. The power supply module is installed in the data management processor and receives the 28V DC power input from the aircraft. While providing various power protections, it also provides secondary power supply for other functional boards in the data management processor. The total output power provided by it is up to 200W. [0003] Therefore, the power module is required to reduce its own heat generation to the greatest extent, so as to avoid overheating and damage to the power module under long-time working conditions. Therefore, while the power module i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K7/14H05K7/20
CPCH05K7/14H05K7/209
Inventor 赵键王小虎陈梅
Owner SHAANXI QIANSHAN AVIONICS