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Red gum detection method and implementation device

A measuring device, red glue technology, applied in the direction of measuring devices, optical devices, instruments, etc., can solve problems such as easy drawing and air bubbles, and achieve the effect of increasing speed, improving precision, and fast photo taking speed

Inactive Publication Date: 2014-01-15
廖怀宝
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dispensing machine has flexible functions. For different parts, we can use different dispensing heads and set different parameters to change the shape and quantity of glue points in order to achieve the best effect. The advantages are convenience, flexibility and stability. The disadvantages are: It is easy to have drawing and air bubbles, etc.

Method used

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  • Red gum detection method and implementation device
  • Red gum detection method and implementation device
  • Red gum detection method and implementation device

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Embodiment Construction

[0033] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0034] The method for red glue detection provided by the invention is realized through the following steps:

[0035] 1) a measuring device comprising a sampling camera and a RGB three-color light source is set, the controller of the sampling camera and the RGB three-color light source is connected with a computer, the parameters of the measuring device are pre-calibrated, and image processing software is stored in the computer, the said The sampling camera is a black and white camera;

[0036] 2) Place the measurement object under the device, the measurement object is illuminated by the RGB three-color light source, and is photographed by the sampling camera above;

[0037] 3) Turn off the three-color light sources at the beginning, turn on the red light source first, and the camera will take pictures of the measurement object and store them in the c...

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PUM

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Abstract

The invention discloses a red gum detection method and an implementation device, and belongs to the field of detection of red gum printing and the like. The method is characterized in that a black and white camera is used for taking pictures for red gum measuring objects under irradiation of a RGB three-color light source, and the pictures are stored in a computer; image processing software in the computer is used for carrying out synthetic processing on three black and white pictures to obtain reduced color pictures. All pixel points meeting conditions are researched according to red gum RGB brightness value matching sections pre-stored in the computer, and a set of all pixel points forms the picture of red gum. The method has the advantages of being high in synthetic speed, and high in detection accuracy.

Description

technical field [0001] The invention relates to a red glue detection method in the automatic detection field of SMT (surface mount technology) industry, and relates to a specific realization device of the method. It can be applied to the red glue printing detection in the SMT field. Before the components are pasted, the method of the present invention can be used to accurately locate and detect the printing effect of the red glue, so as to ensure the effect of component pasting. Background technique [0002] Red glue is a kind of polydilute compound, which is different from solder paste in that it is gelatinous at room temperature and solidifies after being heated. Its freezing point temperature is 150°C. At this time, red glue begins to change from paste to solid directly. Red glue belongs to SMT material. Red glue has viscosity fluidity, temperature characteristics, wetting characteristics and so on. According to these characteristics of red glue, in production, the purp...

Claims

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Application Information

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IPC IPC(8): G01B11/00G01B11/24G01B11/28
Inventor 廖怀宝
Owner 廖怀宝
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