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16mm prime machine visual lens

A machine vision and lens technology, applied in the field of optical mirrors, can solve the problems of less than 5 million pixels and cannot meet the needs of high-end products, and achieve the effect of meeting the needs of high-end products

Active Publication Date: 2015-11-11
GUANGDONG AOPUTE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the domestic machine vision lens with a focal length of 16mm, when the chip size is 2 / 3", the pixels cannot reach 5 million, which cannot meet the needs of high-end products.

Method used

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Embodiment Construction

[0024] refer to Figure 1 to Figure 10The 16mm fixed-focus machine vision lens provided by the present invention includes a lens barrel 1 and a lens combination structure 2 installed in the lens barrel 1. The lens combination structure 2 includes a first lens 21 and a second lens 22 whose central axes are located on the same horizontal line , the third eyeglass 23, the fourth eyeglass 24, the aperture 25, the fifth eyeglass 26, the sixth eyeglass 27, the seventh eyeglass 28 and the eighth eyeglass 29, the first eyeglass 21 is set to "C" shape structure, its front end face The radius of the lens is 56.13±0.1mm, the radius of the rear end face is 15.741±0.1mm, the distance b1 between the front end face and the rear end face is 5.36±0.1mm, and the distance b2 is 7.55±0.1mm; the front end face of the second lens 22 is set to A convex surface with a radius of 24.9±0.1mm, the rear end surface of the second lens 22 is set as a convex surface with a radius of 51.83±0.1mm, the distance...

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Abstract

The invention relates to the technical field of optical lenses, and particularly relates to a 16mm prime machine visual lens comprising a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens, a seventh lens and an eighth lens of which the central axes are arranged on the same horizontal line. When object distance changes, air space from the eighth lens to an image plane changes, i.e. the first to the eighth lenses move forward and backward together, only optical back focal length changes and other space size does not change. With application of the aforementioned structure, the pixel value can reach five million pixels when the focal length is 16mm and the corresponding chip size is 2 / 3" so that the high-end product demand can be met, and optical transmission aperture can also be flexibly adjusted.

Description

technical field [0001] The invention relates to the technical field of optical mirrors, in particular to a 16mm fixed-focus machine vision lens. Background technique [0002] Machine vision is the use of machines instead of human eyes for measurement and judgment. The machine vision system refers to converting the ingested target into an image signal through a machine vision product (that is, an image capture device, which is divided into two types: CMOS and CCD), and sending it to a dedicated image processing system. The image system performs various calculations on these signals to extract the characteristics of the target, and then controls the on-site equipment actions according to the results of the discrimination. [0003] In recent years, with the rapid development of the microelectronics industry, machine vision systems with high resolution and high processing speed have been born continuously, which puts forward new requirements for the matching optical lenses. Ho...

Claims

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Application Information

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IPC IPC(8): G02B13/00
Inventor 卢盛林
Owner GUANGDONG AOPUTE TECH CO LTD
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