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Electro-detection case suitable for oscillatory scanning type infrared earth sensor testing

An earth sensor and electrical detection technology, which is used in the observation, instruments, and measurement devices of space navigation vehicles, can solve the problems of expensive components and affect measurement accuracy, and achieves solving complexity, ensuring signal transmission quality, and facilitating connection. Effect

Inactive Publication Date: 2010-01-06
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] Because the swing scanning infrared earth sensor is a small signal processing circuit, the device is expensive; any interference signal during the test will affect its measurement accuracy

Method used

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  • Electro-detection case suitable for oscillatory scanning type infrared earth sensor testing
  • Electro-detection case suitable for oscillatory scanning type infrared earth sensor testing
  • Electro-detection case suitable for oscillatory scanning type infrared earth sensor testing

Examples

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Embodiment Construction

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0016] The present invention is applicable to the electrical detection box for the test of the swing scanning infrared earth sensor, which includes a plurality of interfaces arranged on the casing and a circuit board installed in the casing; for the interfaces, please refer to figure 1 As shown, the shell of the electric detection box is provided with a 220V AC power interface, a DC power interface, a sensor power switch, a main switch of the electric detection box, a test interface, a sensor power supply current display unit, a sensor signal interface, and a sensor power supply. interface, electrical signal source device interface and industrial computer interface. The swing scanning infrared earth sensor is connected to it through the sensor signal interface and the sensor power supply interface, the electrical signal source device is connected to it throug...

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Abstract

The electric check box suitable for oscillating scanning infrared earth sensitive testing comprises multi interfaces on the shell, circuit board inside the shell, 220V AC interface, DC interface, sensitive power switch, electric check box main switch, testing interface, sensor power supply current display unit, sensor signal interface, sensor current interface, signal source interface and work controlled machine interface. The oscillating scanning infrared earth sensor signal interface connects with its power interface, signal source equipment connects with it through the interface, so does the working controlled machine. It can make barricading drive handling for the check signal, for electrograph or avometer, using high precision linear optical coupling barricading handling for input and output analog signal, effectively ensuring the signal transmission quality.

Description

technical field [0001] The invention relates to an electric detection box suitable for testing a swing scanning infrared earth sensor, the electric detection box provides a safe power supply, a detection terminal and a multi-channel interface for the swing scanning infrared earth sensor in the testing process and power protection. Background technique [0002] The swing-scanning infrared earth sensor is the main attitude-fixing device in a satellite attitude-determining system. It determines the flight attitude by measuring the position of the satellite relative to the earth. The swing scanning infrared earth sensor can generally directly calculate the roll angle and pitch angle of the satellite. [0003] When the swing scanning infrared earth sensor is working normally, it needs an electrical detection device to provide the required power supply, generally +5V, ±15V, and requires overvoltage and overcurrent protection. [0004] Because the swing scanning infrared earth se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S17/00G05D1/08B64G3/00
Inventor 赵建辉刘艳雷李晓明李帆王丽艳孔琪颖
Owner BEIHANG UNIV
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