A kind of environmental medium sensing method and device
A technology of environmental media and sensing methods, applied in measuring devices, scattering characteristic measurements, instruments, etc., can solve the problems of slow sensing of environmental media and insensitive response of organic combustion substances, etc.
Active Publication Date: 2022-02-08
SHENZHEN TANDA TECH
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[0003] In view of this, the embodiment of the present application provides an environmental medium sensing method and device to solve the problem that the environmental medium sensing method in the prior art is easily interfered by interference sources, and the response to many organic combustion substances is not sensitive, thus causing The problem of sluggish sensing of environmental media
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[0023] In the following description, for the purpose of illustration rather than limitation, specific details such as a specific system structure and technology are set forth in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
[0024] In order to illustrate the technical solutions described in the present application, the following specific embodiments are used for description.
[0025] see figure 1 , figure 1 This is a flowchart of an environmental medium sensing method provided in Embodiment 1 of the present application. The execution body of the environmental medium sensing method in ...
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The present application is applicable to the field of fire protection, and provides an environmental medium sensing method and device, including: receiving an infrared signal and a blue light signal of a preset frequency passing through the current environmental medium; combining the received infrared signal and the blue light signal converting into an analog signal with a preset amplitude; performing signal sampling and quantization on the analog signal to obtain quantized data; inputting the quantified data into a pre-trained classification model for identification to obtain the medium type of the current environmental medium. According to the principle of optical scattering of particles, this embodiment designs an environmental medium detection method based on two-way dual-spectrum in the two dimensions of spatial orientation and incident light wavelength, and cooperates with an efficient pattern recognition algorithm to effectively and accurately identify the current environment environment medium.
Description
technical field [0001] The present application belongs to the field of fire protection, and in particular relates to an environmental medium sensing method and device. Background technique [0002] The existing environmental medium sensing methods are generally based on the principle of infrared light scattering, and their components mainly include an optical darkroom, a circuit board, an infrared emission tube, and a receiving tube. This environmental medium sensing method is easily interfered by interference sources such as water vapor, and is insensitive to many organic combustion substances, thus causing the problem of slow environmental medium sensing. SUMMARY OF THE INVENTION [0003] In view of this, the embodiments of the present application provide an environmental medium sensing method and device, so as to solve the problem that this environmental medium sensing method in the prior art is easily interfered by interference sources, and the response to many organic...
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IPC IPC(8): G01N21/53G01N21/01
CPCG01N21/53G01N21/01
Inventor 宋佳城万跃敏靳东风张男
Owner SHENZHEN TANDA TECH