Method and device for detecting inclination angle of arc-shaped parts
A technology of inclination detection and detection method, applied in the field of inclination detection of car windows and inclination detection devices, can solve the problems of long time period of target information, inability to obtain target information, large limitations, etc., and achieves easy operation cost, simple and ingenious method. , the effect of a simple structure
Inactive Publication Date: 2017-09-29
BEIJING BORGWARD AUTOMOBILE CO LTD
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Although this method can achieve the goal, it relies on 3D drawing software to model and simulate measurements, and the time period for obtaining target information is long, and it is impossible to obtain target information when there are only real vehicles and no data, which has great limitations.
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[0042] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0043] In the present invention, unless stated otherwise, the orientation words used such as "up, down, left, right" are usually based on the direction of the drawings, and "inner and outer" are the corresponding parts Contour inside and outside. For example, the inner side of an arc means the direction in which the arc profile bends.
[0044] As the idea of the present invention, in order to realize the detection of the inclination of arc-shaped parts such as vehicle glass, the present invention establishes a geometric relationship with an angle that is easy to measure through a simple detection device for the inclination that cannot be directly detected, so...
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The invention discloses a method and device for detecting the inclination angle of an arc-shaped member. The detection method includes a placing step, a measuring step and a calculating step. The same side of the arc-shaped piece is in contact, and the distance from the intersection point to the contact point of the first measuring piece and the second measuring piece is the same. In the measurement step, the β angle and the γ angle are respectively measured, β The angle is the angle between any one of the first measuring piece and the second measuring piece and the vertical line, and the γ angle is the angle between the first measuring piece and the second measuring piece. In the calculation step, based on the angle between α and β The geometric relationship between angle and γ angle is calculated to obtain the inclination angle of the arc. The present invention calculates and obtains the inclination angle of the arc-shaped member by establishing a geometric relationship with the conveniently measured β angle and γ angle. The method is simple and ingenious and can quickly complete the inclination angle detection, and is especially suitable for the inclination angle detection of vehicle window glass.
Description
technical field [0001] The present invention relates to the field of inclination detection of arc-shaped parts, in particular, to a method for detecting inclination of arc-shaped parts and an inclination detection device for realizing the method, and more specifically, to detection of inclination of vehicle windows. Background technique [0002] Due to its curved structure, it is difficult to detect the inclination angle of the curved piece. For example, in automotive engineering, it is usually necessary to measure the inclination angle of the window glass, which is defined as the angle between the chord of the curved window and the vertical line. The inclination angle of the window glass mainly includes the inclination angle of the front windshield glass, the inclination angle of the rear windshield glass and the inclination angle of the side window glass. [0003] At present, due to the curved structure of the window glass, the measurement of its inclination mainly relies...
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IPC IPC(8): G01B5/24
Inventor 杨艳丽
Owner BEIJING BORGWARD AUTOMOBILE CO LTD