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Ultraviolet-infrared dual-wavelength composite detector

An infrared detection, dual-wavelength technology, applied in the measurement of ultraviolet light, photometry with electric radiation detectors, instruments, etc., can solve the problem that the flame sensor is difficult to meet complex working conditions, and achieve the effect of improving reliability and wide response range

Pending Publication Date: 2020-06-16
YUEYANG ZHONGDING THERMAL ELECTROMAGNETIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a purple-infrared probe fusion, which can meet the needs of complex working conditions and improve the reliability and accuracy of flame detection. Dual-Wavelength Composite Detector

Method used

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  • Ultraviolet-infrared dual-wavelength composite detector

Examples

Experimental program
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Embodiment 1

[0041] see Figure 1 to Figure 9 , a kind of purple-infrared dual-wavelength composite detector, comprising a central processor unit circuit 1 and an ultraviolet detection circuit 2 connected to the central processor unit circuit 1, an infrared detection circuit 3, a digital display circuit 4, a flame intensity output circuit 5, There is fire and no fire relay contact switch output circuit 6, circuit fault diagnosis and alarm output circuit 7.

[0042] Such as figure 2 The central processor unit circuit 1 includes an STM32F103RXT6 central processor U1 and a first crystal oscillator circuit, a second crystal oscillator circuit and a reset circuit respectively connected to the STM32F103RXT6 central processor U1. ( figure 2 From left to right in the middle are the first crystal oscillator circuit, the second crystal oscillator circuit, the reset circuit, and the STM32F103RXT6 central processor U1)

[0043] Among them, the STM32F103RXT6 central processor U1 is the latest gene...

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PUM

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Abstract

The invention discloses an ultraviolet and infrared dual-wavelength composite detector, and the detector comprises a central processor unit circuit, an ultraviolet detection circuit, an infrared detection circuit, a digital display circuit, a flame intensity output circuit, a fire relay contact switch output circuit and a circuit fault diagnosis alarm output circuit. The central processor unit circuit comprises an STM32F103RXT6 central processor U1, a first crystal oscillator circuit, a second crystal oscillator circuit and a reset circuit. According to the invention, a purple probe and an infrared probe with different wavelengths are adopted for acquiring the light signals in different wavelength regions of the flame respectively; an internal program of the central processing unit processes the light signals, and the processed light signals are compared with a related background threshold value and a bandwidth pre-stored value in a memory for control; under various working conditions,whether flames exist or not and the flame intensity can be accurately judged and output, the reliability of the flame sensor is improved, and the flame sensor has a self-diagnosis function and can detect, diagnose and output main devices of a circuit at regular time.

Description

technical field [0001] The invention belongs to the field of flame detectors, in particular to a purple-infrared dual-wavelength composite detector. Background technique [0002] Various industrial furnaces are used in the fields of petroleum, chemical industry, electric steel and environmental protection. The flame detector is the core device to ensure the safe operation of the industrial furnace. Therefore, the performance of the flame detector determines the performance of the industrial furnace system. [0003] The characteristics of the flame in the furnace of an industrial furnace are as follows: First, when the flame burns, it will radiate a large amount of light, the flame spectrum is continuous, the range is wide, and it has strong pulsation. Second, with the improvement of energy conservation, environmental protection and waste utilization requirements, the types of fuels burned (such as gaseous fuels, liquid fuels, solid fuels and their gas-liquid composite fuels)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J1/44G01J1/42F23M11/04
CPCF23M11/04G01J1/429G01J1/44G01J2001/4247
Inventor 周海明黄腾飞游述怀甘孝冬田超罗智威杜胜球车波
Owner YUEYANG ZHONGDING THERMAL ELECTROMAGNETIC TECH CO LTD