An electric heater fire extinguishing strategy customization mechanism, comprising:
- a timing device, installed onto an integrated circuit board of the electric heater, for counting and using the elapsed time of the electric heater as a current operation time, and outputting the current operation time;
- and
- a real-time display device, installed onto the integrated circuit board of the electric heater, and coupled to the timing device, for receiving the current operation time, and being used for a real-time display and a red string corresponding to a too-long operation when the current operation time exceeds a limit.
- further comprising:
- a position sensing device installed on the dot-matrix imaging mechanism for detecting the current position of the dot-matrix imaging mechanism, and determining the difference between the current position and a predetermined fixed position, wherein the difference includes a horizontal change and a vertical change, and if the horizontal change changes between positive and negative values or the vertical change changes between positive and negative values, then a jitter sensing signal will be sent, or else a non-jitter sensing signal will be sent;
- and a dot-matrix imaging mechanism for photographing the surrounding of the electric heater and continuously outputting a plurality of electric heater surrounding images by a predetermined frame rate.
- further comprising an image data extraction device coupled to the dot-matrix imaging mechanism for receiving and using two images sequentially obtained by the dot-matrix imaging mechanism as a current image and a subsequent image respectively, and obtaining a pixel value of each pixel point of the current image and a pixel value of each pixel point of the subsequent image.
- further comprising a pixel point searching device coupled to the image data extraction device and the position sensing device for entering into a jitter detection mode when the jitter sensing signal is received, and exiting the jitter detection mode when the non-jitter sensing signal is received;
- the pixel point searching device in the jitter detection mode executing the steps of:
- obtaining and using each pixel point from the current image based on the Spiral of Archimedes as each reference pixel point and the coordinate of each reference pixel point in the current image as a corresponding reference coordinate, using the pixel point searched in the neighborhood of the reference coordinate of a subsequent image and having a pixel value equal to the pixel value of reference pixel point as the reference pixel point corresponding to the target pixel point and using the coordinate of the subsequent image of the target pixel point as corresponding target coordinate;
- an image data analysis device, coupled to the pixel point searching device, for obtaining a plurality of reference pixel points and a plurality of reference pixel points respectively corresponding to the plurality of target pixel points, determining a horizontal displacement from each reference coordinate to a corresponding target coordinate thereof, calculating an average of each horizontal displacement of each reference coordinate to obtain a horizontal image displacement, determining a vertical displacement from each reference coordinate to a corresponding target coordinate thereof, calculating an average of each vertical displacement of each reference coordinate to obtain a vertical image displacement, determining an amount of time shift based on the current image timestamp and the subsequent timestamp, and calculating a direction vector of the dot-matrix imaging mechanism based on the amount of time shift, the horizontal image displacement, and the vertical image displacement;
- an on-site display device, installed onto a side of the dot-matrix imaging mechanism, and coupled to the image data analysis device, for receiving and displaying the direction vector of the dot-matrix imaging mechanism at site;
- an edge enhancement device, coupled to the dot-matrix imaging mechanism, for receiving an electric heater surrounding image of the current moment, executing an edge enhancement processing of the electric heater surrounding image to obtain a corresponding edge-enhanced image, and outputting the edge-enhanced image;
- a self-adjusting device, coupled to the edge enhancement device, for receiving the edge-enhanced image, executing a self-adjusting filter processing of the edge-enhanced image based on a noise distribution of the edge-enhanced image to obtain and output a self-adjusting filtered image;
- a first parameter analysis device, coupled to the self-adjusting device, for receiving the self-adjusting filtered image, determining a content uniformity of the self-adjusting filtered image based on the pixel value distribution of the pixel points of the self-adjusting filtered image, and outputting content uniformity;
- a second parameter analysis device, for receiving the self-adjusting filtered image, determining a content clarity of the self-adjusting filtered image based on the pixel value dynamic distribution range of the pixel points of the self-adjusting filtered image, and outputting the content clarity;
- a third parameter analysis device, for receiving the self-adjusting filtered image, detecting a contrast of the self-adjusting filtered image, and outputting the contrast;
- an area extraction device, coupled to the first parameter analysis device, the second parameter analysis device and the third parameter analysis device, for receiving the content uniformity, the content clarity and the contrast, determining an influence coefficient of an image segmentation threshold based on the content uniformity, determining an influence coefficient of the image segmentation threshold based on the content clarity, determining an influence coefficient of the image segmentation threshold based on the contrast, while correcting the image segmentation threshold based on the three types of influence coefficients, and segmenting the self-adjusting filtered image based on the corrected image segmentation threshold to obtain and output an area to be identified which is out of background;
- a distribution identification device, coupled to the area extraction device, for receiving the area to be identified, performing an edge point identification of the area to be identified to obtain each edge point in the area to be identified, performing an area segmentation of the area to be identified to obtain each area to be processed, and determining the number of edge points in each area to be processed;
- an intelligent enhancement device, coupled to the distribution identification device, for receiving the number of edge points of each area to be processed, and setting the area to be processed having a number of edge points exceeding a predetermined quantity threshold as an area to be enhanced, and setting the area to be processed having a number of edge points not exceeding the predetermined quantity threshold as another area;
- a targeted enhancement device, coupled to the distribution identification device and the intelligent enhancement device, for executing a contrast enhancement of the area to be enhanced based on the corresponding range of the quantity of internal edge points to obtain an enhanced area, and executing the contrast enhancement of the other area of the same range to obtain another processed area;
- an image fitting device, coupled to the targeted enhancement device, for performing a fitting processing of each enhanced area and each other processed area to obtain a corresponding fitted image, and outputting the fitted image;
- an image positioning device, installed in the electric heater, and coupled to the image fitting device, for receiving the fitted image, identifying a flame target of the fitted image based on a predetermined standard flame shape, determining positioning data of the flame target based on the position of the flame target in the fitted image, and determining the size of the flame target in an area percentage of the fitted image based on the flame target;
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- an automatic fire extinguishing device, installed in the electric heater, and coupled to the image positioning device, for receiving the positioning data of the flame target and the size of the flame target, and executing an automatic fire extinguishing operation of the electric heater surrounding flame based on the positioning data of the flame target and the size of the flame target.