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Framebuffer (or GRAM) of DC Charging pile Charging control unit
Main component
Concept:
The Framebuffer (FB) or Graphic Access Memory (GRAM) is an area of memory used to store image data in a DC charging pile charging control unit. It is a graphics buffer that stores color information for each pixel on the display device in order to quickly access and display images. In the charging control unit of the charging pile, the Framebuffer or GRAM allows the system to dynamically update the display content, such as charging status, charging information, etc.
Function:
Display control: The Framebuffer or GRAM enables the billing control unit to control the content displayed on the display, including text, images, and animations.
Real-time update: It allows the display to be updated in real time to reflect the current status of the charging pile, such as charging progress, billing information, etc.
User interaction: A user interface is provided, and users can interact with the charging pile through the touch screen, such as starting charging, stopping charging and paying.
Working Principle:
Data storage: The Framebuffer or GRAM allocates space in memory for each pixel, storing color information. This information is dynamically generated or updated by the processor of the billing control unit.
Image rendering: When the display needs to be updated, the processor writes the new pixel data to the Framebuffer or GRAM.
Display output: The display controller reads pixel data from the Framebuffer or GRAM and converts it into a signal suitable for an LCD or other display technology.
Fast access: Since the Framebuffer or GRAM communicates directly with the processor, it can respond quickly to display update requests, which is critical to providing a smooth user experience.
Sum up
Framebuffer or GRAM is the key technology to realize efficient and dynamic display in DC charging pile charging control unit. In this way, the charging pile can provide clear information display and intuitive user interaction, enhancing the user experience and improving the functionality of the charging pile.
DC CHARGING PIlE SERIES
DC charging pile is an efficient charging facility for electric vehicles, which uses direct current (DC) to directly charge the vehicle battery, significantly reducing the charging time. Compared with traditional AC charging piles, DC charging piles are able to provide higher power output and can usually charge an EV to 80% of its capacity in 30 minutes, providing users with a convenient charging experience.
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