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Angle measuring mechanism

A technology of angle measurement and transmission gear, which is applied in the field of surveying and mapping measurement, can solve problems such as large error of angle data, motor out of step, and failure to meet the requirements of high precision angle measurement, so as to overcome backlash and out of step, and improve accuracy Effect

Pending Publication Date: 2018-02-23
深圳中天云隼科技有限公司
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Problems solved by technology

Due to the disadvantages of motor out-of-step phenomenon and gear backlash, the angle data acquired by the system often has large errors, which cannot meet the requirements of use.
Existing techniques for estimating and measuring angles can no longer meet the requirements of high-precision angle measurement

Method used

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Embodiment Construction

[0015] The angle measuring mechanism of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. The examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols represent the same or similar elements or have the same or similar functions. element. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0016] In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rathe...

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Abstract

Provided is an angle measuring mechanism. The angle measuring mechanism is characterized by including a rotation shaft to be measured, two sets of coding discs, two sets of photoelectric receivers, two light transmitting tubes and a gear set, wherein the first coding disc and the rotation shaft to be measured are coaxially arranged, the first coding disc and the second coding disc are separated bythe gear set which is arranged between the first coding disc and the second coding disc, and the first coding disc and the second coding disc are coaxial with terminal gears in the gear set respectively. According to the angle measuring mechanism, the photoelectric angle measuring coding discs are adopted to measure angles; the problem is overcome that in a current auto-control industry, angles which are inferred and estimated through the number of steps for which a motor rotates are inaccurate; accuracy influencing factors such as empty backhaul and falling out of steps are overcome. Therefore, the accuracy of angle measurement is greatly improved. The angle measuring mechanism can critically and rapidly measure rotation angles, and a scheme of using the absolute-value angle coding discsfor high-accuracy angle measuring is created for the first time.

Description

【Technical field】 [0001] The invention relates to surveying and mapping measurement technology, in particular to a precise angle measurement mechanism. 【Background technique】 [0002] The current automatic control system, when measuring the rotation angle, can only estimate by the number of rotations of the motor. Due to the disadvantages of out-of-step phenomenon of the motor and backlash of the gear, the error of the angle data acquired by the system is often large, which cannot meet the requirements of use. Existing techniques for estimating and measuring angles can no longer meet the requirements of high-precision angle measurement. 【Content of invention】 [0003] Aiming at the above problems, the present invention proposes a high-precision angle measurement mechanism capable of ensuring the accuracy requirements during measurement. The angle measurement mechanism is used for real-time measurement of the angle of the rotating mechanism to ensure the accuracy requi...

Claims

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Application Information

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IPC IPC(8): G01B11/26G01D5/347
CPCG01B11/26G01D5/3473
Inventor 成秋庚沈建武王俏
Owner 深圳中天云隼科技有限公司
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