Diffused light source structure for scanning of linear CCD sensor and assembling method thereof

An assembly method and sensor technology, which are applied in the diffuse light source structure and the assembly field, can solve the problems affecting the scanning sampling accuracy of the CCD sensor, the LED lighting light source is heavy and the inertia is large, and the heat dissipation of the light source is not suitable, and achieves good lighting effect, The effect of convenient modular installation and simple assembly method
CN112128663APending Publication Date: 2020-12-25江苏善果缘智能科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
江苏善果缘智能科技有限公司
Publication Date
2020-12-25

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Abstract

The invention discloses a diffused light source structure for scanning of a linear CCD sensor and an assembling method thereof, and relates to the technical field of object surface detection. The diffused light source structure comprises a lampshade, a power supply circuit board being arranged on the top surface of the lampshade, and a power connection contact pin being arranged on the top surfaceof the power supply circuit board; a scanning channel which penetrates through the power supply circuit board and the lampshade from top to bottom; illuminating parts which are obliquely arranged onthe bottom surface of the lampshade; a control circuit board which is arranged at the end part of the lampshade; and a plurality of MOS tubes which are connected to one side surface of the control circuit board. A first cooling fin provided by the invention can receive most of heat generated by the MOS tubes, and a heat insulation sheet above the first cooling fin can effectively prevent the heatfrom being transmitted upwards, so that adverse effects caused by heating of a second part of the control circuit board are avoided, and the service life of the control circuit board is effectively prolonged.
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Description

technical field

[0001] The invention relates to the technical field of object surface detection, in particular to a diffuse light source structure for linear CCD sensor scanning and an assembly method thereof. Background technique

[0002] CCD sensor, made of a high-sensitivity semiconductor material, can convert light into electric charge, and convert it into digital signal through analog-to-digital converter for computer to process it. At present, it has been widely used in the detection of surface defects of industrial products. Especially for the detection of various defects on the product surface.

[0003] In the detection process of product surface defects (with high precision requirements), the sampling environment is very important, and reliable and high-precision data must be provided for the subsequent image processing process to obtain accurate defect detection results.

[0004] At present, during the scanning sampling process of the CCD sensor, the brightness a...

Claims

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