Expanding device for intelligent mobile phone

Abstract

The invention provides an expanding device for an intelligent mobile phone. The expanding device comprises a shell and a main circuit board arranged inside the shell, wherein the shell consists of a shell body, a cover body pivoted with the shell body, a display screen arranged on the cover body, a keyboard arranged on the shell body, a touch panel arranged on the shell body, a loudspeaker module arranged in the shell body and a port module arranged on the side surface of the shell body; and the main circuit board consists of a video / audio conversion unit, a power supply module, an audio power amplifier module and an interface module, a charging control module and the interface module, and a Bluetooth module, wherein the power supply module, the audio power amplifier module and the interface module are electrically connected with the video / audio conversion unit respectively, the charging control module is electrically connected with the power supply module, and the Bluetooth module is electrically connected with the power supply module. In the invention, video signals and audio signals of the intelligent mobile phone can be connected into the device by a simple cable, thus realizing a large-screen display effect and a high-quality acoustic effect; a Bluetooth keyboard and a touch panel are utilized to conveniently carry out text entry and screen operation on the mobile phone, and text entry speed is rapid; and strong power support is provided for the mobile phone.

Description

technical field [0001] The invention relates to the field of smart phones, in particular to a smart phone extension device. Background technique [0002] With the advent of the mobile Internet era, the popularity of smart phones has become a major trend in the mobile phone market. The emergence of this type of mobile smart terminal has changed the lifestyle of many people and the demand for traditional communication tools. People are no longer satisfied with the appearance of mobile phones and the use of basic functions, but began to pursue the powerful operating system of mobile phones to bring people more , stronger and more personalized social services. [0003] With the technological development of smart phones, supporting high-definition display (HDMI) output has gradually become the standard configuration of high-end smart phones. At the same time, with the improvement of smartphone performance and Internet access speed, more and more users begin to use smartphones t...

AI Technical Summary

Problems solved by technology

However, for the purpose of display effect, the smart phone is basically based on the touch screen, which is very inconvenient for users to input text and cannot complete a relatively normal amount of text input; and when playing multimedia, the display screen is too small. Insufficient experience; at the same time, due to the improvement of the performance of the smartphone and the effect of the screen display, its power consumption also increases simultaneously. If you do more office and entertainment, it will consume a lot of power, which greatly shortens the use efficiency of the mobile phone

These deficiencies greatly limit users' mobile Internet experience on smartphones, and cannot better meet users' requirements for application functions such as entertainment, business, news and services, forming a bottleneck in the utilization rate of smartphones

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