Method and device for determining laser cleaning energy
A laser cleaning and energy technology, applied in the field of laser cleaning, can solve the problems of not being able to adapt to the cleaning environment, inconvenient automatic control, etc.
Active Publication Date: 2017-08-08
苏州德威尔卡光电技术有限公司
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Problems solved by technology
Since there are many types of attachments to be removed, such as rust, paint, stains, etc., and the surface conditions are relatively complicated, this method of testing threshold energy cannot adapt to complex cleaning environments, and it is inconvenient to combine with automatic control
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[0062] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. After reading the present invention, those skilled in the art Modifications to various equivalent forms of the present invention fall within the scope defined by the appended claims of the present application.
[0063] The method and device for determining laser cleaning energy described in the present application will be described in detail below with reference to the accompanying drawings. figure 1 It is a flowchart of a method for determining laser cleaning energy provided by an embodiment of the present application. Although the present application provides the method operation steps or device structure as shown in the following embodiments or drawings, m...
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The invention discloses a method and device for determining laser cleaning energy. The method comprises the following steps of: obtaining an initial image of a material surface to be cleaned and calculating the initial value of segmentation grayscale corresponding to the image; cleaning the material surface to be cleaned with initial cleaning energy for predetermined time; acquiring a cleaned first image and calculating the first segmentation grayscale value of the first image by using the initial value of segmentation grayscale as an initial value; increasing a predetermined energy value on the basis of the initial cleaning energy to obtain current cleaning energy, cleaning the material surface to be cleaned with the current cleaning energy for predetermined time, and obtaining a cleaned second image; calculating the second segmentation grayscale value of the second image by using the initial value of segmentation grayscale as the initial value; determining whether the absolute value of a difference value of the first segmentation grayscale value and the second segmentation grayscale value is less than or equal to a preset threshold; and if so, determining target laser cleaning energy. The method and device for determining laser cleaning energy can efficiently and automatically select the appropriate laser cleaning energy.
Description
technical field [0001] The invention relates to the field of laser cleaning, in particular to a method and device for determining laser cleaning energy. Background technique [0002] Laser cleaning technology is a green, efficient and easy-to-operate cleaning technology. As the country is increasingly advocating green manufacturing, this technology has received widespread attention. When performing laser cleaning, it is first necessary to determine the cleaning energy of the material to be cleaned. If the cleaning energy exceeds the ablation threshold of the substrate, the substrate will be damaged, and if the energy is too low, the surface attachments cannot be cleaned efficiently. Therefore, the accurate determination of laser cleaning energy is a key factor related to cleaning efficiency. The laser cleaning energy is generally represented by the power of the laser, and the unit is watts (W). [0003] At present, the acquisition of laser cleaning energy is basically an ...
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IPC IPC(8): G06T7/00G06T7/11G06T7/136B08B7/00
CPCB08B7/0042G06T7/0004G06T2207/10004
Inventor 王斌李明福袁冬青
Owner 苏州德威尔卡光电技术有限公司