Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Multi-spectral radiation thermometry method based on CCD camera

A radiation temperature measurement, multi-spectral technology, applied in the field of spectral radiation temperature measurement, can solve the problem of difficult temperature measurement

Active Publication Date: 2019-07-16
徐州鑫维盛精密自动化设备有限公司
View PDF5 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The temperature measurement method based on the CCD camera is easy to realize temperature measurement under the three-spectrum (RGB), but it is difficult to realize the temperature measurement of the existing CCD camera-based temperature measurement method applied to the multi-field amplitude (spectral) temperature measurement system, so , there is an urgent need for a multi-spectral radiation temperature measurement method based on a CCD camera, which is used for temperature measurement of a multi-field amplitude (spectral) temperature measurement system

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Multi-spectral radiation thermometry method based on CCD camera
  • Multi-spectral radiation thermometry method based on CCD camera
  • Multi-spectral radiation thermometry method based on CCD camera

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0033] according to figure 1 Shown, a kind of multi-spectral radiation temperature measurement method based on CCD camera, comprises the following steps:

[0034] A kind of multispectral radiation temperature measuring method based on CCD camera, comprises the steps:

[0035] Step 1: Fix the CCD camera with a multi-channel aperture system inside at a distance of 14cm to 15cm from the black body furnace and turn on the lens, adjust the exposure time, shooting rate, resolution, and trigger mode of the CCD camera, and perform black balance correction to achieve multiple Initialization of an image;

[0036] Step 2: Heat up the black body furnace, the temperature is controlled between 1000K and 2000K, and the black body furnace calibrates the CCD camera;

[0037] Step 3: After the calibration is over, obtain the calibration parameters of each channel of the CCD camera, fix the target to be measured at a distance of 14cm to 15cm from the CCD camera for heating, and use the CCD cam...

specific Embodiment 2

[0039] Taking four channels as an example, the flow chart is as follows figure 1 Shown:

[0040] S1. Fix the CCD camera with 4-channel aperture system inside at a distance of 14cm to 15cm from the black body furnace and turn on the lens, adjust the CCD camera’s exposure time, shooting rate, resolution, trigger mode and other parameters, and perform black balance correction to achieve Initialization of 4 images;

[0041] S2. Slowly raise the temperature of the blackbody furnace, control the temperature between 1000K and 2000K, and start calibration;

[0042] S3. After the calibration work is completed, fix the measured target at a distance of 14-15cm from the CCD camera for rapid heating, and use the CCD camera to continuously shoot to obtain the grayscale information of the measured target, and calculate the brightness temperature value of the grayscale value , to obtain the brightness temperature values ​​at four different wavelengths;

[0043] S4. Finally, the multi-spect...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a multi-spectral radiation thermometry method based on a CCD camera. The method comprises the following steps of carrying out black balance correction on the CCD camera internally provided with a multichannel sub-aperture system in order to initialize a plurality of images; calibrating the CCD camera through a blackbody furnace; fixing a detected target to a certain position of the CCD camera for rapid heating, and meanwhile, continuously shooting by utilizing the CCD camera in order to obtain a plurality of brightness temperature values at different wavelengths; and solving a true temperature value and emissivity of the detected target by utilizing a multi-spectral algorithm. The method can effectively overcome the defect that the temperature field distribution ofa high-temperature object, which is solved by utilizing an image three-color value, is easily interfered by the outside, and the temperature measuring precision is improved.

Description

technical field [0001] The invention relates to the technical field of spectral radiation temperature measurement, and relates to a multi-spectral radiation temperature measurement method based on a CCD camera. Background technique [0002] Charge Coupled Device (CCD) is a miniature image sensor with charge as the signal carrier. The spectral response of the CCD sensor is mostly in the visible light and near-infrared bands. The CCD sensor is transformed, the information entering the CCD is processed, and the temperature field distribution on the surface of the object is obtained by analyzing the collected information. [0003] With the continuous development of computer and electronic technology, the method of temperature measurement based on CCD camera has been widely concerned. The method is based on the principle that natural light can be decomposed into three primary colors (R-red, G-green, B-blue) mixed in different proportions. The color CCD camera realizes the acqui...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01J5/00
CPCG01J5/00G01J2005/0077
Inventor 戴景民韩松巍杨宗举
Owner 徐州鑫维盛精密自动化设备有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com