Portable power bank device with projecting function capable of charging an external device and displaying data from the external device

摘要

A portable power bank device with a projecting function comprises a battery unit, a control unit, and a micro projector unit. The battery unit is electrically coupled to a charge unit and restores power from an external power source. The control unit is electrically coupled to the charge unit and a connection interface unit, respectively. The control unit comprises a charge module, a voltage conversion module, and a video codec. A battery power source of the battery unit is outputted through the voltage conversion module. The micro projector unit is electrically coupled to the control unit and projects and displays video signals of the video codec.

主权项

1. A portable power bank device with a projecting function, comprising:
a battery unit electrically coupled to a charge unit and restoring power from an external power source; a control unit electrically coupled to the charge unit and a connection interface unit, the control unit comprising a charge module, a voltage conversion module, a video codec, and a first wireless communication module, the connection interface unit connected to the external power source or an external device with a battery, the voltage conversion module detecting a voltage current of the battery of the external device, the battery unit outputting a battery power source through the voltage conversion module; a micro projector unit electrically coupled to the control unit and projecting and displaying video signals of the video codec; and a wireless communication unit electrically coupled to the first wireless communication module of the control unit and receiving a wireless signal; a bridge unit electrically connected to the control unit and to the wireless communication unit; a storage unit electrically connected to the bridge unit and to the control unit; wherein a power of the battery of the external device is recharged by the battery power source of the battery unit through the connection interface unit when the voltage current of the battery of the external device is weak and an image of an interface screen or an internal data of the external device is projected on a display surface via the micro projector unit of the portable power bank device; wherein the bridge unit and the storage unit obtain power from the battery power source through the control unit, the storage unit is used to store data, the bridge unit allows the data in the storage unit to be accessed according to a remote signal from the external device; and wherein the voltage conversion module which is used for conversion of a source voltage comprises an overload protection submodule avoiding an excessive transmission current and a detection submodule detecting a voltage current of an electronic device.