Charger with HDMI screen projection function

Abstract

The invention discloses a charger with an HDMI screen projection function. The charger comprises a shell, a folding plug shell, an output module, an HDMI and a USBHUB module. One end of the shell is connected with the folding plug shell. A top plate is arranged at the other end of the shell; a heat dissipation ring is arranged in the shell; one end of the radiating ring is connected with the insulating ring; the output module is arranged on the inner side of the heat dissipation ring; the output module is provided with a TYPE-C joint, a USB joint and an HDMI joint. One end of the output moduleis connected with the HDMI and USBHUB module, the HDMI and USBHUB module is connected with a power supply module, and a PD protocol board is arranged between the HDMI and USBHUB module and the powersupply module. By utilizing the output module, the PD protocol board, the HDMI and USBHUB module and the power supply module, a screen projection function with a mobile phone, a game machine and a computer can be realized by externally connecting an HDMI line and a display, and the charger is made of a flame-retardant material, is high in use safety, integrates expansion, video and screen projection, and is high in practicability.

Description

technical field [0001] The invention relates to the field of screen projection chargers, in particular to a charger with an HDMI screen projection function. Background technique [0002] High-definition multimedia interface is a fully digital video and sound transmission interface that can send uncompressed audio and video signals. HDMI can be used in equipment such as set-top boxes, DVD players, personal computers, TVs, games, hosts, integrated amplifiers, digital audio and televisions. HDMI can send audio and video signals at the same time. Since the audio and video signals use the same wire, it greatly simplifies the installation difficulty of the system line. [0003] In the development of science and technology, many people currently only carry a mobile phone when they go out, but in some work or family scenes, it is necessary to project the screen of the mobile phone to a large-screen display. It is easy to carry, and some small screen projection devices are too simp...

AI Technical Summary

Problems solved by technology

[0003] In the development of science and technology, many people currently only carry a mobile phone when they go out, but in some work or family scenes, it is necessary to project the screen of the mobile phone to a large-screen display. It is easy to carry, and some small screen projection devices are too simple in functionality and require an external power supply, causing inconvenience in carrying and operation

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