An USB hub with PD or QC fast charging and OTG data transmission relates to a multifunctional USB hub, in order to solve the existing application problems of mobile devices for mobile population information collection and verification.

The utility model can realize that the mobile power source and the mobile device terminal integrate the external mobile device, such as a modular module device with fingerprint identification and passport information collection, the structure includes battery management and power management, and realizes fast charging of PD or QC. Combined with the OTG data transmission function, external mobile devices such as a fingerprint recognizer and a passport recognizer can be connected to the mobile device terminal through the utility model and have high data transmission stability, thereby realizing convenient and quick information collection and verification. At the same time, it is equipped with corresponding mobile power equipment, which provides convenience for users to collect personnel information, and has the characteristics of high timeliness, convenient use and long battery life.

        1. An USB hub with PD or QC fast charging and OTG data transmission, including: PD HUB PCB motherboard (1), control OTG and forward and reverse charging switch (2), battery connector (3) , LED status light 6PIN FPC connector (5), USB-C transfer 12PIN FPC connector (6), OTG USB data output function connector (7), LED status indicator PCB board (8), OTG function indicator (9), charging and power indicator (10), LED status light 6PIN The number of FPC connectors (5) is N, N is a positive integer, and the number of OTG USB data output function connectors (7) is N. N is a positive integer, the number of charging and power indicator lights (10) is N, N is a positive integer, the switch that controls OTG and forward and reverse charging (2), battery connector (3), OTG USB data output function connection The seat (7) is mounted on the PCB main board (1), LED status light 6PIN FPC connector (5), LED status indicator PCB board (8), OTG function indicator (9), charging and power indicator (10) ) Connect to the PCB main board (1) via the USB-C transfer 12PIN FPC connector (6).

        2 . The USB hub with PD or QC fast charging and OTG data transmission according to claim 1 , wherein the mobile power source and the PD HUB PCB main board ( 1 ) are connected by a 2-pin connector, USB. -C input to the public (4) to connect to the external power supply.

        3 . The USB hub with PD or QC fast charging and OTG data transmission according to claim 1 , wherein three 5-pin connectors and one 12-pin connector are used for connecting external devices such as a fingerprint recognition module. , passport recognizer.

        4. The USB hub with PD or QC fast charging and OTG data transmission according to claim 1, characterized in that the OTG and the charging function are successfully integrated by controlling the OTG and the forward and reverse charging switch (2). Together.

        5. The USB hub with PD or QC fast charging and OTG data transmission according to claim 1, wherein the connection between the mobile peripheral and the PCB main board (1) adopts a flexible flat connecting line.

        6. The USB hub with PD or QC fast charging and OTG data transmission according to claim 1, wherein the temperature of the chip U11 of the PD HUB PCB main board (1) is lowered to 42 degrees Celsius by optimizing the circuit design. Within.

        7. The USB hub with PD or QC fast charging and OTG data transmission according to claim 1, wherein the PD HUB PCB main board (1) is designed in a 4-layer structure.

        8. The USB hub with PD or QC fast charging and OTG data transmission according to claim 1, wherein the OTG function indicator (9) is used to indicate the status of the OTG function, the charging and the power indicator. (10) Instruct the mobile power source.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 

        (1) A 2-pin connector is used to connect a mobile power source to a PD HUB PCB motherboard 1. The USB-C input bus 4 is connected to an external power source and ensures that the mobile device is always powered. (2) Three 5-pin connectors and one 12-pin connector are used to connect external mobile devices such as fingerprint recognition module and passport recognizer to ensure the stability of OTG data transmission function, more expandability, and high compatibility of external mobile devices. (3) By controlling the OTG and the switch 2 for charging in the forward and reverse directions, the OTG and the charging function are successfully integrated, and the switch can be fast-charged, and the OTG function can be realized by the switch, which is simple and easy to use. (4) The connection between the external mobile device and the PCB main board (1) adopts a flexible flat connecting cable, which greatly saves space and its flexibility reduces the defective rate during assembly. (5) By optimizing the circuit design, the temperature of the chip U11 of the PD HUB PCB main board 1 is reduced to 42 degrees Celsius, which greatly reduces the failure rate of the utility model and the external mobile device due to excessive temperature. (6) The PD HUB PCB main board (1) is designed with a 4-layer structure to reduce the size of the utility model and save space. (7) The OTG function indicator (9) is used to indicate the status of the OTG function, and the charging and power indicator (10) indicate the amount of the mobile power. When the charger charges the battery and the mobile device, the corresponding power source is charged. The LED light will flash. The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention are also The scope of protection of the utility model.