Multi-functional hand-cranked mobile phone charging case

Abstract

The invention discloses a multifunctional hand-operated mobile phone charging shell. The multifunctional hand-operated mobile phone charging shell comprises an upper shell and a lower shell, wherein both the upper shell and the lower shell are provided with a mobile phone storage cavity matched with the shape of a mobile phone, the upper shell is provided with a pressure power generation module capable of being shaken to generate the power, the lower shell is provided with a control circuit module, the pressure power generation module comprises a plurality of power generation modules, each group of modules comprises a mass block capable of moving in the longitudinal and lateral directions, piezoelectric substrates which are uniformly arranged on the circumferential wall of the mass block at intervals, piezoelectric materials arranged on the upper surface of the piezoelectric substrates and a charge output end arranged on the end part of the upper shell, and the piezoelectric materials are electrically connected with the piezoelectric substrate by virtue of a connection circuit; and the control circuit module comprises a rectifying circuit, a DC / DC conversion circuit and a voltage stabilizing circuit. By adopting the multifunctional hand-operated mobile phone charging shell, the mobile phone can be protected, and functions for preventing the dropping and improving the attractiveness can be realized; a data line can be connected to charge the mobile phone without disassembling the mobile phone shell, and the operation is convenient; and the mobile phone can be charged by shaking the mobile phone, and the practicability is high.

Description

technical field [0001] The invention belongs to the technical field of mobile phones, and in particular relates to a multifunctional hand-cranked mobile phone charging case. Background technique [0002] With the rapid development of social economy, mobile phones have already entered thousands of households as mass consumer goods. With the expansion of the functions of smart phones, the power consumption of mobile phones is also gradually increasing, and it is often necessary to charge multiple times a day to meet the power demand of mobile phones. For business personnel or frequent business travelers, because they often need to make calls, the power consumption of the mobile phone will be greater. In daily life or on business trips, there are often situations where the power of the mobile phone is insufficient, but there is no charging device around, and the mobile phone automatically shuts down due to insufficient power, which has a great impact on their work progress. ...

AI Technical Summary

Problems solved by technology

For business personnel or frequent business travelers, because they often need to make calls, the power consumption of mobile phones will be greater

In daily life or on business trips, there are often situations where the power of the mobile phone is insufficient, but there is no charging device around. The mobile phone automatically shuts down due to insufficient power, which has a great impact on their work progress.

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