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A flag raising and lowering control method and device

A technology of raising and lowering control and flags, applied in the direction of flags/flags, display devices, instruments, etc., can solve the problem of difficult matching of music and flag-raising speed, and achieve the effect of avoiding difficult and accurate correspondence.

Active Publication Date: 2021-11-09
NANJING FORESTRY UNIV
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  • Abstract
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Problems solved by technology

[0002] At present, in the process of flag raising and lowering, when there is no music matching, the precise control of the flag raising and lowering speed is relatively low, but when the soundtrack is required during the flag raising process, it is difficult to match the music and the flag raising speed In the process of raising and lowering the flag, the above-mentioned problems are particularly prominent

Method used

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  • A flag raising and lowering control method and device
  • A flag raising and lowering control method and device
  • A flag raising and lowering control method and device

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Embodiment Construction

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0042] In the description of the present invention, it should be noted that the terms belonging to "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention.

[0043] Such as figure 1...

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Abstract

The present invention relates to the technical field of electric flagpoles, in particular to a method for controlling flag raising and lowering. Calculate the number of turns N required by the rotating shaft of the stepping motor at the start; divide the music played during the flag raising process into S segments on average according to the duration, and perform a digital signal for controlling the stepping motor according to the duration of each segment. Adjust; establish the relationship between the angular displacement of the stepper motor and the number of music calling segments. Through the above-mentioned technical scheme, the uniform speed control in the process of raising the flag is effectively realized. Through the corresponding relationship with the angular displacement of the stepping motor, the rotation program of the stepping motor is used to define the playback rhythm of each section of the music, completely avoiding the current artificial It is difficult to accurately correspond to the lifting height and music when raising and lowering the flag. In the present invention, a flag raising and lowering control device is also claimed, which has the same technical effect.

Description

technical field [0001] The invention relates to the technical field, in particular to a flag raising and lowering control method and device. Background technique [0002] At present, in the process of flag raising and lowering, when there is no music matching, the precise control of the flag raising and lowering speed is relatively low, but when the soundtrack is required during the flag raising process, it is difficult to match the music and the flag raising speed In the process that flag carries out raising and lowering, above-mentioned problem is particularly outstanding. [0003] In view of the above problems, based on years of rich practical experience and professional knowledge in the engineering application of this kind of products, and with the application of academic theory, the designer actively researches and innovates, in order to design a flag lifting control method and device. Contents of the invention [0004] The object of the present invention is to provi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09F17/00
CPCG09F17/00G09F2017/0025
Inventor 卫宏计铭杰
Owner NANJING FORESTRY UNIV
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