Power adapter box structure

A power adapter and power control technology, applied in the field of avionics, can solve the problems of limited structure and size of the power adapter box, and achieve the effects of high reliability, high space utilization, and process optimization.

Active Publication Date: 2017-01-04
SHAANXI QIANSHAN AVIONICS
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] Limited by the installation space on the machine, t

Method used

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[0019] The structure of the power adapter box of the present invention is described in detail in conjunction with the accompanying drawings:

[0020] The main load-bearing structural parts of the power adapter box are composed of a base and a cover plate, both of which are 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 gap caused by the assembly of multiple parts, thereby improving the sealing of the product and effectively preventing water vapor from entering the product. The inner side of the cover is designed with a boss 1, which is used to contact the heat source device 7 on the power control board in the power adapter box, and conduct heat dissipation to the heat source device 7. The inside of the cover plate is designed with a circular recess 2, which is lined with a compressible heat-conducting material during assembly to fasten the ...

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Abstract

The invention belongs to the technical field of avionics, and especially relates to a power adapter box structure. Because of the limiting of an onboard installation space, a power adapter box is required to be capable of achieving established functions and the internal power devices in the power adapter box need to be arranged reasonably, so as to carry out the conduction of the generated heat to maximum degree, to enable the working temperature of the whole power adapter box to remain at a safety level, and to protect the power adapter box from being damaged by long-time operation. The structure provided by the invention achieves the layout of an internal power device, an energy storage device and a power control board in the power adapter box under the condition that the size and space are very limited, achieves the conduction of the heat of a heat source device in the structure to the maximum degree while guaranteeing the implementation of the function of the power adapter box, enables the working temperature of the power adapter box to remain at the safety level, and guarantees the reliable operation of the power adapter box.

Description

technical field [0001] The invention belongs to the technical field of avionics, and in particular relates to a power adapter box structure. Background technique [0002] Since the flight parameter recording system was installed on various types of aircraft such as the Air Force, Navy and Army Aviation, the flight parameter recording system has recorded data many times when the engine start button is pressed for 4 to 7 seconds or when the ground power of the aircraft is transferred to the on-board power supply. Interrupt and restart the recorded situation. According to the data analysis recorded by the flight parameter recording system and combined with the laboratory verification, when the ground power is transferred to the on-board power supply, or the on-board power supply is started, the input power supply is cut off for a short time due to the switching of the power supply. Or due to the influence of the power load at the back end of the power supply, the output voltag...

Claims

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Application Information

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IPC IPC(8): H02M1/00H02M3/00H05K7/20
CPCH02M1/00H02M3/00H05K7/2039
Inventor 赵键吕墨豪
Owner SHAANXI QIANSHAN AVIONICS
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