Safe type 3D print platform

Safe type 3D print platform

  • CN 109,774,158 B
  • Filed: 03/14/2019
  • Issued: 08/04/2020
  • Est. Priority Date: 03/14/2019
  • Status: Active Grant
First Claim
Patent Images

1. The utility model provides a safe type 3D print platform which characterized in that, the platform includes:

  • The field printing equipment is arranged in a wall on one side of the door and used for starting a 3D printing action on a key of the door when receiving a first control instruction;

    The field printing equipment is also used for not executing 3D printing action on the key of the door when receiving a second control instruction;

    The protective outer cover is arranged on the wall on one side of the door and used for sealing the inner space of the wall for accommodating the on-site printing equipment;

    The quantity analysis device is connected with the field sharpening device and used for receiving the sharpened image, extracting a corresponding target region to be detected from the sharpened image based on the authorized user human body pattern, respectively carrying out normalization processing on the target region to be detected and the authorized user human body pattern to obtain a first normalized image and a second normalized image, subtracting the first normalized image and the second normalized image to obtain a difference image, extracting the quantity of pixels with nonzero pixel values in the difference image, and outputting the extracted quantity as the quantity of difference pixels;

    The instruction extraction device is respectively connected with the field printing device and the quantity analysis device and is used for receiving the quantity of the difference pixels, extracting the total number of the pixels of the first normalized image, and sending a first control instruction when the proportion of the quantity of the difference pixels occupying the total number of the pixels is smaller than or equal to a preset proportion threshold value, or sending a second control instruction;

    The electronic unlocking device is connected with the field printing device and is used for opening the protective outer cover when a successful manufacturing command is received so as to facilitate a user to take away a key which is successfully manufactured;

    The field printing device is also used for sending a manufacturing success command after the 3D printing action of the key of the door is executed;

    The image acquisition equipment is arranged above the door and used for acquiring image data of the environment around the door so as to obtain and output a corresponding door environment image;

    The parameter identification device is positioned in the internal space of the wall for accommodating the on-site printing device, is connected with the image acquisition device, and is used for receiving the door environment image and identifying the frame rate of the image sequence in which the door environment image is positioned so as to obtain and output a corresponding real-time frame rate;

    The signal sending equipment is connected with the parameter identification equipment and used for receiving the real-time frame rate and sending a first trigger command when the real-time frame rate exceeds a preset frame rate threshold value;

    The signal sending equipment is further used for sending a second trigger command when the real-time frame rate is lower than or equal to the preset frame rate threshold;

    The AVR32 processing device is respectively connected with the signal sending device and the pixel point analysis device and is used for switching the pixel point analysis device from a sleep mode to a working mode when receiving the first trigger command;

    The AVR32 processing device is further configured to switch the pixel point analyzing device from an operating mode to a sleep mode upon receiving the second trigger command;

    The pixel point analysis device is used for receiving the door environment image from the parameter identification device in a working mode, and performing conversion from RGB space to HSV space on the door environment image to obtain an H brightness value, an S brightness value and a V brightness value of each pixel point in the door environment image;

    The real-time correction equipment is connected with the pixel point analysis equipment and is used for performing distortion correction processing on a V brightness value in the door environment image to obtain a first processed image and performing distortion correction processing on an H brightness value in the first processed image to obtain a second processed image;

    The on-site sharpening device is connected with the real-time correction device and is used for carrying out image sharpening on the second processed image so as to obtain a sharpened processed image;

    Wherein, in the real-time correction apparatus, performing distortion correction processing on a V luminance value in the door environment image to obtain a first processed image includes;

    each V brightness value of each pixel point in the door environment image participates in distortion correction processing, and each S brightness value and each H brightness value of each pixel point in the door environment image do not participate in distortion correction processing;

    Wherein, in the real-time correction apparatus, performing distortion correction processing on the H luminance values in the first processed image to obtain a second processed image includes;

    each H brightness value of each pixel point in the first processed image participates in distortion correction processing, and each S brightness value and each V brightness value of each pixel point in the door environment image do not participate in distortion correction processing;

    The optical fiber communication equipment is connected with the signal sending equipment and used for receiving and sending the first trigger command or the second trigger command;

    the optical fiber is a shorthand of an optical fiber, is a fiber made of glass or plastic and serves as a light conduction tool, the transmission principle of the optical fiber is total reflection of light, the optical fiber is packaged in a plastic sheath so that the optical fiber can be bent and cannot be broken, a light emitting diode or a laser beam is used for transmitting light pulses to the optical fiber by a transmitting device at one end of the optical fiber, and a photosensitive element is used for detecting the pulses by a receiving device at the other end of the optical fiber.

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