Patent introduction of vehicle wireless charging device

Abstract
The utility model discloses a vehicle wireless charging device, which includes a mobile phone bracket and a power connector module; the power connector module is electrically connected with the power input end of the filter; the signal output end of the filter is electrically connected with the signal input end of the first and second voltage regulators respectively, and the signal output end of the first voltage regulator is respectively connected with the voltage monitor, sv-9v regulator and current monitor The signal input end of the tester is electrically connected, the signal output end of the second voltage regulator and the voltage monitor are electrically connected with the signal input end of the control unit, the signal input end of the control unit is electrically connected with the signal output end of the test signal module and the temperature sensor respectively, and the signal output end of the control unit is electrically connected with the signal input end of the current monitor, the indication module and the power amplifier unit respectively The power output end of the power amplifier unit is electrically connected with the power input end of the coil, and the coil is arranged at the back position of the mobile phone bracket. The utility model has the advantages of simple structure and convenient use.

Vehicle wireless charging device

technical field

The utility model relates to the field of automobile accessories, in particular to a vehicle mounted wireless charging device.

Background technology

With the popularity of mobile phones, more and more people use mobile phones while driving. In this process, it is inevitable to encounter the problem of cell phone power failure. If we look for a mobile charger to charge the mobile phone while driving, it will bring many hidden dangers to our driving safety.

summary of the invention

The utility model aims to provide a mobile wireless charging which can charge and use the mobile phone at the same time

Device.

In order to achieve the above-mentioned purpose, the utility model can adopt the following technical scheme:

The vehicle wireless charging device of the utility model includes a mobile phone bracket and a power connector module; the power output end of the power connector module is electrically connected with the power input end of the filter; the signal output end of the filter is electrically connected with the signal input end of the first voltage regulator and the second voltage regulator, and the signal output end of the first voltage regulator is respectively connected with the signal input end of the first voltage regulator and the second voltage regulator The signal input end of voltage monitor, sv-9v regulator and current monitor are electrically connected with the signal input end of control unit. The signal input end of the control unit is electrically connected with the signal output end of the test signal module and temperature sensor. The signal output end of the control unit is electrically connected with the signal output end of the control unit and the signal output end of the control unit respectively The signal input end of the current monitor, indicating module and power amplifier unit is electrically connected, and the power output end of the amplifier unit is electrically connected with the power input end of the coil, and the coil is arranged at the back position of the mobile phone support.

The utility model has the advantages of simple structure and convenient use. Through a standard mobile phone bracket set on the vehicle, various types of mobile phones can be transmitted in the form of "wireless" power, which is convenient for passengers to use, avoid the security risks brought by charging mobile phones while driving, and solve the matching problem of charging interfaces of different mobile phone models. The mobile phone bracket is installed vertically, and the mobile phone can be used as the ordinary mobile phone bracket while charging, so as to facilitate the normal use and observation of mobile navigation and music.

Specific implementation mode

As shown in the figure, the on-board wireless charging device of the utility model includes a mobile phone support 1 and a power connector module; the power output end of the power connector module is electrically connected with the power input end of the filter; the signal output end of the filter is electrically connected with the signal input end of the first voltage regulator and the second voltage regulator respectively, and the signal transmission of the first voltage regulator The output terminal is electrically connected with the signal input end of voltage monitor, sv-9v regulator and current monitor. The second voltage regulator and voltage monitor signal output end are electrically connected with the signal input end of the control unit. The signal input end of the control unit is electrically connected with the signal output end of the test signal module and the temperature sensor respectively, and the signal output of the control unit is electrically connected The end is electrically connected with the signal input end of the current monitor, indicating module and amplifier unit, and the amplifier sheet

The power output end of the element is electrically connected with the power input end of the coil 2, and the coil 2 is arranged at the back position of the mobile phone of the mobile phone support 1.

When using, the mobile phone bracket 1 installed on the vehicle central console is connected with the 12V power supply on the vehicle through the power connector module. The mobile phone bracket 1 is equipped with a charging switch and an indicator module. When the charging switch is on, the indicator module light is on. At this time, the wireless charger starts to work. Based on the principle of electromagnetic induction, the induced emf is generated by the change of magnetic flux. The generated induced electromotive force is used Realize wireless charging of mobile phone. Among them, the filter filters out the high frequency electrical signal and stabilizes the voltage; the first voltage regulator and the second voltage regulator adjust and further stabilize the voltage; the voltage monitor converts the voltage into the digital signal to the control unit; the sv-9v regulator converts into the required 9V AC voltage and transmits it to the amplifier unit; the current monitor receives the control unit

Information, adjust the current transmitted to the amplifier unit; the power amplifier unit receives the control of the control unit, outputs the required power to coil 2, coil 2 is the execution unit, which transmits energy to the wireless charging equipment; the test signal module can input the test signal to enable the control unit to start the self-test procedure; the temperature sensor monitors the temperature of the equipment to prevent the temperature from being too high; the indicating module indicates charging Information can indicate whether the information is charging, whether the fault is, whether the power is full, etc.; the mobile phone bracket 1 plays the role of fixing and supporting the mobile phone with the car body. Coil 2 is set at the back position of the mobile phone support 1, which can not affect the normal use and operation of the mobile phone during charging.