Utility model content
The purpose of this utility model is to provide a kind of wireless charging built-up circuits, it is intended to solve in traditional technical solution
An existing type-C interface can only connect a kind of equipment, realize a kind of function, can not meet the problem of the needs of people.
A kind of wireless charging built-up circuit, the circuit include：Type-C connectors, protocol configuration chip, Video Quality Metric core
Piece, video signal interface, wireless charging module and power module；The protocol configuration chip, the wireless charging module and institute
It states power module to connect with the Type-C connectors, the protocol configuration chip is connect with the Video Quality Metric chip, described
Video Quality Metric chip is connect with the video signal interface；Wherein, the wireless charging module includes charging chip, rectification core
Piece, transmitting coil, the charging chip are connect with the power module, and the rectification chip is connected to the charging chip and institute
It states between transmitting coil.
Further, USB interface is further included, the USB interface is connect with the power module.
Further, power switch is further included, the first input end of the power switch is connect with the USB interface, described
Type-C connectors described in second input terminal of power switch connect, and the output terminal of the power switch is connect with power module.
Further, the video signal interface includes HDMI interface and USB interface, and the HDMI interface and the VGA connect
Mouth is connect with the Video Quality Metric chip.
Further, the wireless charging module further includes the electricity being connected in series between the rectification chip and the transmitting coil
Further, the wireless charging module further includes charging instruction module, the charging instruction module and the charging
Chip connects, and is used to indicate the charged state of the charging module.
Further, the power module includes power conversion module, the power conversion module and the Video Quality Metric core
In addition, additionally providing a kind of wireless charging switching device, described device includes：Above-mentioned wireless charging switching electricity
Above-mentioned wireless charging built-up circuit is regarded by the completion of Type-C connectors, protocol configuration chip and Video Quality Metric chip
The conversion of frequency signal is simultaneously transformed into the video data in mobile equipment on the display of high-resolution, meanwhile, wireless charging mould
Block can support wireless charging device to charge.One type-C connector realizes Video Quality Metric output and wireless charging simultaneously, and
It is convenient for carrying, meets the diversified demand of people.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows the structure diagram for the wireless charging built-up circuit that the utility model preferred embodiment provides, in order to
Convenient for explanation, part related to the present embodiment is illustrated only, details are as follows：
A kind of wireless charging built-up circuit, which is characterized in that circuit includes：Type-C connectors 10, protocol configuration chip 20,
Video Quality Metric chip 30, video signal interface 40, wireless charging module 60 and power module 50.
Protocol configuration chip 20, wireless charging module 60 and power module 50 are connect with Type-C connectors 10, specifically,
10 external mobile terminal of Type-C connectors or power supply adaptor, are used for transmission power supply and video data, wherein, which can
Think with the electronic equipments such as computer, the tablet computer of the 10 matched interface of Type-C connectors.
As shown in Fig. 2, protocol configuration chip 20 is connect with Video Quality Metric chip 30, Video Quality Metric chip 30 and vision signal
Interface 40 connects, by protocol configuration chip 20 and Video Quality Metric chip 30 to from the vision signal that Type-C connectors 10 access into
Row conversion, and pass through video signal interface 40 be output to display equipment show.Wherein, power module 50 and video signal interface 40
Connection when there is display equipment access, after display equipment receives the 5V level of the output of power module 50, passes through video signal interface
40 HPD (hot plug detect, hot plug detection) end gives Video Quality Metric chip 30 1 high level signals, and video turns
A hot plug signal can be transmitted to protocol configuration chip 20, and pass through Type-C and connect by changing after chip 30 receives the high level signal
First 10 feed back to external mobile terminal, while show equipment by video signal interface 40 by the EDID (Extended of display
Display Identification Data, extending display identification data) information is through Video Quality Metric chip 30 and protocol configuration core
After piece 20 is linked up, then external mobile terminal is transmitted to by Type-C connectors 10, computer exports video according to the EDID information to be believed
Number form, and pass through Video Quality Metric chip 30 and be converted to DP signals with showing the matched vision signal of equipment, and pass through display
Equipment is shown.Protocol configuration chip 20 selects VL100 chips, and Video Quality Metric chip 30 selects IT6562FN chips, wherein,
IT6562FN chips support the conversion and output of HDMI and VGA two paths of signals simultaneously, and video signal interface 40 includes HDMI interface
41 and USB interface 42, HDMI interface and USB interface connect with Video Quality Metric chip 30, when having HDMI interface 41 and USB interface
When any one in 42 or two have display equipment access simultaneously, circuit can work normally, and HDMI video can be supported to believe
Number and VGA vision signals simultaneous display.Power module 50 includes power conversion module, power conversion module and Video Quality Metric core
Piece 30 connects.
Wireless charging module 60 includes charging chip 61, rectification chip 62, transmitting coil 63, charging chip 61 and power supply mould
Block 50 connects, and rectification chip 62 is connected between charging chip 61 and transmitting coil 63.Wherein, rectification chip 62 receives charging core
The pwm signal by transmitting coil 63 and is connected on rectification chip 62 and transmitting by the pwm signal that piece 61 exports, rectification chip 62
Capacitance between coil 63 is converted to electric oscillation signal.In the present embodiment, charging chip selects GPMQ8005B chips, rectification
Chip selects GPMD5130A.
Transmitting coil 63 is connect with charging chip 61, and charging chip 61 periodically sends detection signal by transmitting coil 63,
To find receiving device in time, when transmitting terminal has detected that receiving device, receiving device receives detection signal, identifies simultaneously
The required charge power of receiving device, and modulated message signal feeds back to transmitting coil 63, transmitting coil 63 receives receiving and sets
Standby message signale, carries out signal demodulation, and message signale is carried out by the amplifier built in charging chip 61 at two stage amplifer amplification
It is identified after reason, charging chip 61 is configured on corresponding power signal PWM to rectification chip 62 and transmitting coil 63, receiving device
Real time power requirements periodically are sent to transmitting coil 63 after receiving power signal, so that transmitting terminal is allowed to adjust output power in time,
Until loading demand terminates.
Further, USB interface 70 is further included, USB interface 70 is connect with power module 50, wherein, which is
Mic USB interfaces 70, USB interface 70 can be with external power adapters.Further, power switch 80, power switch 80 are further included
First input end connect with USB interface 70, the second input terminal Type-C connectors 10 of power switch 80 connect, power switch 80
Output terminal connect with power module 50.When circuit works normally, power switch 80 connects the second input terminal, 50 institute of power module
The power supply needed is provided by Type-C connectors 10, insufficient in the external device current of Type-C connectors 10, can not ensure wireless charging
During the normal work of module 60, power switch 80 connects first input end, and the power supply needed for power module 50 is carried by USB interface 70
Further, wireless charging module 60 further includes charging instruction module 64, charging instruction module 64 and charging chip 61
Connection is used to indicate the charged state of wireless charging module 60.
In addition, the utility model also provides a kind of wireless charging switching device, including：Above-mentioned wireless charging switching electricity
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.