Vehicle-mounted cell phone wireless charging and transmitting system and control method therefor

Abstract

The invention relates to a vehicle-mounted cell phone wireless charging and transmitting system and a control method therefor. The vehicle-mounted cell phone wireless charging and transmitting system comprises a power supply unit, an over-voltage protection circuit connected with the power supply unit, a high-frequency switch control circuit connected with the over-voltage protection circuit and a wireless transmitting antenna connected with the high-frequency switch control circuit, wherein a current sampling circuit and a central processing unit connected with the current sampling circuit are arranged between the over-voltage protection circuit and the high-frequency switch control circuit; the central processing unit is also connected with the high-frequency switch control circuit and used for controlling the connection and disconnection of the high-frequency switch control circuit; the current sampling circuit is also connected with a current detection unit; a temperature collection unit, a status indication unit, a clock circuit and a JTAG (downloading program) unit are arranged on the central processing unit; the high-frequency switch control circuit comprises a drive circuit, a switching protection circuit connected with the drive circuit and a high-frequency switch connected with the switching protection circuit, and particularly the switching protection circuit is connected with an input terminal of the high-frequency switch; and the input terminal of the high-frequency switch is also connected with one or more output voltage sampling circuits; and an output terminal of the high-frequency switch is connected with one or more transmitting coils.

Description

technical field [0001] The invention relates to the field of wireless charging for vehicle-mounted mobile phones, in particular to a wireless charging and transmitting system for vehicle-mounted mobile phones and a control method thereof. Background technique [0002] In the wireless charging process of existing mobile phones, the entire charging system will have the following technical problems during the charging process through the existing transmitting circuit: 1. The static power consumption is relatively high; 2. The state during the charging process cannot be monitored in real time; 3. , The charging efficiency and stability during the charging process are low. Contents of the invention [0003] The object of the present invention is to provide a vehicle-mounted mobile phone wireless charging transmission system and its control method. The vehicle-mounted mobile phone wireless transmission system provided by the present invention includes a power supply unit, an ove...

AI Technical Summary

Problems solved by technology

[0002] In the wireless charging process of existing mobile phones, the entire charging system will have the following technical problems during the charging process through the existing transmitting circuit: 1. The static power consumption is relatively high; 2. The state during the charging process cannot be monitored in real time; 3. , The charging efficiency and stability during the charging process are low

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