A new circuit connection for airborne gravity power supply system

JIANG Jiu-Ming; AN Zhan-Feng; SHI Lei; MENG Qing-Kui; JIN Jiu-Qiang; WANG Zhi-Bo

doi:10.11720/wtyht.2021.0043

2021 Vol. 45, No. 6

Article Contents

Article navigation > Geophysical and Geochemical Exploration > 2021 > 45(6): 1455-1461

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JIANG Jiu-Ming, AN Zhan-Feng, SHI Lei, MENG Qing-Kui, JIN Jiu-Qiang, WANG Zhi-Bo. 2021. A new circuit connection for airborne gravity power supply system. Geophysical and Geochemical Exploration, 45(6): 1455-1461. doi: 10.11720/wtyht.2021.0043

Citation:

JIANG Jiu-Ming, AN Zhan-Feng, SHI Lei, MENG Qing-Kui, JIN Jiu-Qiang, WANG Zhi-Bo. 2021. A new circuit connection for airborne gravity power supply system. Geophysical and Geochemical Exploration, 45(6): 1455-1461. doi: 10.11720/wtyht.2021.0043

A new circuit connection for airborne gravity power supply system

1. China Aero Geophysical Survey and Remote Sensing Center for Natural Resources, Beijing 100083,China;
2. Key Laboratory of Airborne Geophysics and Remote Sensing Geology, Ministry of Natural and Resources,Beijing 100083,China

Received Date: 21 January 2021

Revised Date: 20 December 2021

Publish Date: 21 December 2021

Abstract

Abstract

After analyzing the power supply system design of airborne gravity measurement, aiming at the instability of full load power on or repeated start, a new circuit connection mode based on VICOR power module is proposed to solve the above problems. In the design of aviation gravity power supply, the general circuit structure design and parameter selection refer to the technical manual of the power chip module manufacturer, and the EN port of the rectifier filter module is selected to drive the DC-DC module. However, similar faults such as full load power on difficulty or repeated startup are often encountered, which affect the stable operation of the power supply. In this paper, the BOK output of VICOR module combined with triode is used to control the PC enable port of DC-DC power supply module, which does not affect the power on of front-end rectifier filter circuit. The circuit analysis results show that compared with the EN port drive enable, when using the BOK drive, the threshold voltage lower than 2.3 V can be guaranteed at the output low level, the PC enable port can be fully blocked, and there will be no phenomena such as full load power on difficulty or repeated startup, so that the aviation gravity power supply system can work more safely and stably.
- airborne gravity /
- enable /
- full load /
- power up /
- Vicor module

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References

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