Multi-serial port expansion board with real-time operating system

The utility model discloses a multi-serial port expansion board with a real-time operating system, which comprises an expansion board body, supporting legs are arranged at four corners of the bottom of the expansion board body, a data line is arranged on the expansion board body, a support is arrang...

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Bibliographic Details
Main Authors WANG YAFU, XIONG YANG
Format Patent
LanguageChinese
English
Published 20.01.2023
Subjects
BASIC ELECTRIC ELEMENTS
CURRENT COLLECTORS
ELECTRICITY
LINE CONNECTORS
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Summary:The utility model discloses a multi-serial port expansion board with a real-time operating system, which comprises an expansion board body, supporting legs are arranged at four corners of the bottom of the expansion board body, a data line is arranged on the expansion board body, a support is arranged on one side of each supporting leg, an auxiliary supporting leg is arranged on the support, and a data line winding mechanism is arranged on the auxiliary supporting leg. The data line is wound by the data line winding mechanism; the data line winding mechanism comprises a frame and an elastic winder; an elastic winder is arranged on a frame and comprises a center shaft, a plurality of circular plates are arranged on the center shaft at equal intervals, four sliding rails are arranged on the side faces of the circular plates, sliding blocks are arranged on the sliding rails, moving rods are arranged between the corresponding sliding blocks, two shaft sleeves are arranged on the center shaft, and a spring is arra
Bibliography:Application Number: CN202222122228U