Mobile detection method and device for regularity of ultra-large-area honeycomb product
A detection device and mobile technology, applied in electromechanical devices, electric components, camera bodies, etc., can solve problems such as inapplicable cellular products, complicated cellular quality inspection operations, and inaccurate judgment results
Active Publication Date: 2020-08-25
CENT SOUTH UNIV
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[0008]
The purpose of the present invention is to provide a mobile detection method and device for the regularity of super-large-area honeycomb products to solve the problem of complex detection of honeycomb quality and inaccurate judgment results in the prior art, which is not applicable to the detection of honeycomb products on the production line
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[0081] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.
[0082] Apparently, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0083] In addition, the technical features involved in the different embodiments of the present invention...
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The invention discloses a mobile detection method and device for the regularity of an ultra-large-area honeycomb product, and the method comprises the steps: setting a movement route of a camera according to the field range of a camera, and enabling the camera to obtain an image of the whole honeycomb product; acquiring a honeycomb image; performing binarization processing on the honeycomb image to obtain a binarized image; extracting vertexes of honeycomb cells in the binarized image; reconstructing to obtain a honeycomb cell element image according to the mapping relationship between the vertex and the cell element; and calculating a deviation average value of all cell angles in the honeycomb cell image, and evaluating the honeycomb quality according to the average value. The method is novel and efficient, and can realize rapid detection of geometric regularity for honeycomb products with large areas.
Description
technical field [0001] The invention relates to the fields of design, manufacture and application of lightweight structural products of transportation, machinery, aerospace, ships and other equipment, and in particular to a mobile detection method and device for the regularity of ultra-large-area honeycomb products. Background technique [0002] Lightweight honeycomb structures are widely used in various engineering fields due to their excellent load-bearing and energy-absorbing properties. However, in the manufacturing process of this product, various structural defects such as arching, warping, and cell deformation of the honeycomb core block inevitably appear, and these defects have been proven to have a great impact on its load-bearing and energy-absorbing properties. influences. Therefore, it is urgent to carry out work on the regularity detection and evaluation of cellular products to avoid the risk of using inferior products, and to further improve the regularity of ...
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IPC IPC(8): G06T7/00G06T7/11G06T7/60G06T5/00G06T5/30G03B17/56H02K7/06
CPCG06T7/0002G06T7/11G06T7/60G06T5/30G03B17/566H02K7/06G06T2207/30172G06T5/70Y02P90/30
Inventor 王中钢施冲周伟许平姚曙光高广军高天宇
Owner CENT SOUTH UNIV