Fire field temperature measuring device and method based on near-infrared band colorimetry

A technology of temperature measurement and band ratio, applied in the field of temperature field measurement method and device based on near-near-infrared band colorimetry, can solve the problems of large measurement deviation and easy to be affected by flue gas, and achieve small equipment impact and prolong The effect of high service life and high resolution

Pending Publication Date: 2019-04-02
NANJING FOREST POLICE COLLEGE
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the color camera uses visible light to measure, which is easily affected by smoke, resulting in large measurement deviations

Method used

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  • Fire field temperature measuring device and method based on near-infrared band colorimetry
  • Fire field temperature measuring device and method based on near-infrared band colorimetry
  • Fire field temperature measuring device and method based on near-infrared band colorimetry

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Embodiment Construction

[0036] like figure 1 As shown, a fire field temperature measurement device based on near-infrared band colorimetry includes a host computer 1, a calibration board 2, a trigger drive circuit 3, a support structure 8, a window lens 4, a sub-lens 5, a first industrial camera 7, and a first industrial camera 7. Two industrial cameras 10, the first lens 6 and the second lens 9; the sub-lens 5, the first industrial camera 7, the second industrial camera 10, the first lens 6 and the second lens 9 are all installed inside the supporting structure 8 ; The side of the support structure 8 is provided with a window, and the window is provided with a window lens 4 ; The trigger circuit 3 is connected to the first industrial camera 7 and the second industrial camera 10 through a coaxial cable, and connected to the host computer 1 through a USB interface. The first lens 6 is fixedly mounted on the first industrial camera 7 through a nut; the second lens 9 is fixedly mounted on the second in...

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PUM

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Abstract

The invention discloses a fire field temperature measuring device and method based on a near-infrared band colorimetry. The device comprises an upper computer, a calibration plate, a trigger driving circuit, a supporting structure, a window lens, a sub lens, a first industrial camera, a second industrial camera, a first lens and a second lens. The sub lens, the first industrial camera, the secondindustrial camera, the first lens and the second lens are all mounted inside the supporting structure. A window is arranged on the side surface of the supporting structure, and the window lens is arranged on the window. The first industrial camera, the second industrial camera, the trigger driving circuit and the calibration plate are all connected with the upper computer. The first industrial camera and the second industrial camera are all connected with the trigger driving circuit. The measuring device provided by the invention is simple in structure, convenient to use and accurate in measurement structure.

Description

technical field [0001] The invention relates to the field of temperature field measurement, in particular to a temperature field measurement method and device based on near-near infrared band colorimetry. Background technique [0002] The frequent occurrence of forest fires seriously threatens the ecological security and social and economic development of our country. In order to formulate a fire extinguishing plan scientifically, it is necessary to accurately judge the state of the fire scene. The temperature field distribution of the fire scene effectively provides flame combustion information and further predicts the spread trend of the fire line. Therefore, rapid and accurate measurement of the temperature field of the fire scene is of great significance for fire prevention and control. [0003] Temperature field measurement is mainly divided into two methods: contact and non-contact. The contact method measures temperature through temperature sensitive elements such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/60G01J5/02
CPCG01J5/02G01J5/60
Inventor 翟春婕张思玉姚树人
Owner NANJING FOREST POLICE COLLEGE
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