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Omnidirectional vector rod receiver for indoor GPS

A receiver and vector technology, which is applied in the field of omnidirectional vector rod receivers, can solve the problems such as the inability to complete surface point measurement, and achieve the effects of improving measurement accessibility, improving measurement accuracy, and simple mechanical structure

Active Publication Date: 2013-09-25
SHENYANG AIRCRAFT CORP
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AI Technical Summary

Problems solved by technology

Both cylindrical and spherical receivers can only be used for the measurement of fixed hole positions, and cannot complete the measurement of surface points

Method used

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  • Omnidirectional vector rod receiver for indoor GPS

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Embodiment Construction

[0018] Such as figure 1 As shown, an omnidirectional vector rod receiver for indoor GPS includes a vector rod base 1, a photosensitive unit 2, a probe head 3, a glass protective cover 4 and a signal line interface 6, wherein the photosensitive unit 2 consists of three groups Composed of photosensitive units, each group of photosensitive units includes two, the centers of the six photosensitive units are located on the axis of the vector rod base 1, and the error is less than 3 μm; the vector rod base 1 is finished at intervals of 120° in the circumferential direction and according to the helical line There are three groups of rectangular grooves, each group of rectangular grooves includes two, three groups of photosensitive units are correspondingly placed in three groups of rectangular grooves, and the receiving angle of each group of photosensitive units is ±60°; inside the vector rod base 1 A groove is provided, and a communication line for connecting each photosensitive un...

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Abstract

The invention provides an omnidirectional vector rod receiver for an indoor GPS. The omnidirectional vector rod receiver comprises a vector rod base body, a sensitising unit and a probe measuring head, wherein the sensitising unit is formed by three groups of photosensitive units, each group comprises two photosensitive units, and centers of the six photosensitive units are in the axis of the vector rod base body; three groups of rectangular grooves are formed in the vector rod base body every other 120 degrees in the circumferential direction and in a finish machining mode on the basis of a helical line, the three groups of photosensitive units are correspondingly arranged in the three groups of rectangular grooves, and reception angles of the photosensitive units are + / -60 degrees; a groove is formed in the vector rod base body, and a communication line used for being connected with the photosensitive units in the sensitising unit is arranged in the groove; the probe measuring head is installed at the front end of the vector rod base body through a fixing bolt; a glass protective cover wraps the vector rod base body and the sensitising unit. The omnidirectional vector rod receiver achieves omnidirectional reception of base station signals of the indoor GPS, is good in anti-interference performance, and improves measurement accuracy, measuring efficiency and an application range of the indoor GPS.

Description

technical field [0001] The invention relates to an omnidirectional vector rod receiver for indoor GPS, which is mainly used for digital measurement of aircraft surface points and belongs to the technical field of aviation manufacturing engineering / aircraft assembly. Background technique [0002] Modern aircraft require lightweight, economical, long life, high reliability, and rapid development, which puts forward higher precision requirements for aircraft manufacturing and installation, and the assembly accuracy of aircraft components determines the final quality of the aircraft to a large extent. [0003] Traditional aircraft component assembly mainly relies on tooling and process compensation to ensure the coordination between parts, and relies on mold line models, optical instruments and other equipment to detect assembly quality. These methods have poor precision and low efficiency, and can no longer meet the needs of modern aircraft development. The indoor GPS measurem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/13
Inventor 郭洪杰赵建国喻世臣邾继贵
Owner SHENYANG AIRCRAFT CORP
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