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The flame sensor is a sensor specially used by the robot to search for the source of fire

The flame sensor is a sensor specially used by the robot to search for the source of fire

  • Categories:Industry news
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  • Time of issue:2021-03-17
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The flame sensor is a sensor specially used by the robot to search for the source of fire

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2021-03-17
  • Views:0
Information

The flame is composed of various combustion products, intermediates, high-temperature gases, hydrocarbons and inorganic substances as the main high-temperature solid particles. Flame heat radiation includes discrete spectrum gas radiation and continuous spectrum solid radiation. The flame radiation intensity and wavelength distribution of different combustion products are different. But generally speaking, it has the largest radiation intensity in the near-infrared wavelength range of 1 ~ 2 micrometers corresponding to the flame temperature, such as the flame radiation intensity when gasoline is burned.的wavelength.

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The flame sensor is specially used for robots The sensor to search for the fire source,< /span>Of course the flame sensor can also be used to detect the brightness of light, but this sensor is Especially sensitive. The flame sensor uses the infrared ray to be very sensitive to flames, uses a dedicated infrared receiver tube to detect the flame, and then converts the flame brightness into high and low level signals for inputCPU ,CPU carries out corresponding program processing according to the change of signal. Flame sensor: It is composed of high-temperature solid particles, mainly composed of various combustion products, intermediates, high-temperature gases, hydrocarbon substances and inorganic substances. Flame heat radiation includes gas radiation of discrete spectrum and solid radiation of continuous spectrum. The flame radiation intensity and wavelength distribution of different burning materials are different, but generally speaking, they have a large radiation intensity in the near-infrared wavelength domain and the ultraviolet wavelength domain corresponding to the flame temperature, so flame sensors can be made according to this characteristic .

Far-infrared flame sensor: The far-infrared flame sensor can be used to detect wavelengths in 700nm to< /span>1000A fire or other heat source within the nanometer range. In robot competitions, the far-infrared flame probe plays a very important role. It can be used as the eyes of the robot to find the source of fire or football. It can be used to make firefighting robots, football robots and so on. Principle introduction: The far-infrared flame sensor can detect the infrared light within the range of 700 ~ 1000 nm , The detection angle is60° span>, the wavelength of infrared light is close to880 nmTime sensitivity reaches the maximum. The far-infrared flame probe converts the intensity change of the external infrared light into the current change, which is converted by A/DThe converter reflects the value change within the range of 0 ~ 255. The stronger the external infrared light, the smaller the value; the weaker the infrared light, the larger the value.

UV flame sensor: UV flame sensor can be used to detect the fire source 400 nmbelow Heat radiation. Principle introduction: The lower UV can set the detection angle according to the actual situation. When ultraviolet transmission and visible light absorption glass can be detected400 nm wavelength within the range, infrared light When the wavelength is near 350 nm, its sensitivity reaches its maximum. The UV flame probe converts the intensity change of the external infrared light into the current change, which is converted by A/DThe converter reflects the value change within the range of 0 ~ 255. The stronger the external ultraviolet light, the smaller the value; the weaker the ultraviolet light, the larger the value.


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