CN210957218U

CN210957218U - Multiport repeater

Info

Publication number: CN210957218U
Application number: CN201921259034.7U
Authority: CN
Inventors: 熊育明
Original assignee: Shenzhen Kunxing Technology Co ltd
Current assignee: Shenzhen Kunxing Technology Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-07-07
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a transponder of multiport, form inclosed shell including mutual block, embedding HDMI interface in the front end recess of shell, a plurality of recesses of a side processing of shell imbed female seat of Type-C output, SD joint mouth, TF joint mouth and USB interface respectively, the public head of embedded Type-C input of the recess of the symmetrical another side processing of shell, fixed circuit board in the shell inner chamber, the HDMI output circuit, Type-C input output circuit, the memory circuit that have electric connection of tin welding on the circuit board. This transponder of multiport, Type-C input/output circuit read memory circuit's data, send data to HDMI output circuit, accomplish the SD card, TF card data reading, Type-C input/output circuit carries out the plastic to the signal of inserting, enlargies the signal that the output corresponds the interface required, can be relaxed carry out data connection with HDMI interface, USB interface, in the wide application and smart mobile phone, panel computer and the PC terminal.

Description

Multiport repeater

Technical Field

The utility model relates to a transponder technical field specifically is a transponder of multiport.

Background

In recent years, portable mobile electronic devices represented by smart phones and tablet computers play an increasingly important role in daily life of people, and various smart devices such as smart instruments and smart home appliances are increasingly widely used and popularized in work and life of people. The intelligent devices use various interfaces to communicate with the outside world, such as TYPE-C interface, USB interface, SD card interface, TF card interface, HDMI interface, etc., and with the development and globalization of technologies, the function interconversion of multiple intelligent terminals is becoming more and more popular. Corresponding to this are: more and more users demand that these devices can realize more and more novel functions, and can satisfy the requirement of data interconversion and use of various intelligent terminals such as mobile phones, tablets and PCs, so that the development of portable mobile multifunctional conversion devices has become a popular research direction.

At present, the converters in international and domestic markets mostly adopt common HUB converters, and along with continuous development, innovation and increasingly strong playability of functions of mainstream scientific and technological products such as mobile phones and computers, various requirements of consumers on equipment use are more and more increased, for example, a USB (universal serial bus) port of a computer needs to be expanded, a camera card photo is projected to a television/projector and a mobile phone, and the equipment interface is too few and single, so that a plurality of different related switching accessories cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transponder of multiport has can relax and carries out data connection with HDMI interface, USB interface, and the problem among the prior art has been solved to advantage in wide application and smart mobile phone, panel computer and the PC terminal.

In order to achieve the above object, the utility model provides a following technical scheme: a multiport repeater comprises a closed shell formed by mutually clamping, an HDMI interface is embedded in a groove at the front end of the shell, a plurality of grooves machined in one side surface of the shell are respectively embedded into a Type-C output female seat, an SD (secure digital) card interface, a TF (TransFlash) card interface and a USB (Universal Serial bus) interface, a Type-C input male head is embedded in a groove machined in the other symmetrical side surface of the shell, a circuit board is fixed in an inner cavity of the shell, and an HDMI output circuit, a Type-C input output circuit and a storage circuit which are electrically connected are soldered on the circuit board;

the PS176 chip U7 of the HDMI output circuit is connected with a voltage reduction circuit, the voltage reduction circuit comprises a SY8089A chip U4 and a SY8089A chip U5, a pin 3 of the SY8089A chip U4 is connected with an inductor L1, a capacitor C24, a resistor R17, a capacitor C28 and a capacitor C29 in series and connected with a DP1V2 in parallel, a pin 5 of the SY8089A chip U4 is connected with the other end of the capacitor C24, the other end of the resistor R17 is connected with a parallel connection port of a resistor R19, a pin 4 of the SY8089A chip U4 is connected with a capacitor C26 in parallel and connected with VBUS, and the other end of the capacitor C26 and the other ends of the resistor R19, the capacitor C28; a pin 3 of a SY8089A chip U5 is connected with an inductor L2, a capacitor C25, a resistor R16, a capacitor C31 and a capacitor C33 in series and is connected with an S3V3 in parallel, a pin 5 of the SY8089A chip U5 is connected with a parallel connection port of the capacitor C25, the other end of the resistor R18 and the resistor R20, a pin 4 of the SY8089A chip U5 is connected with a capacitor C30 in parallel and is connected with VBUS, and the other end of the capacitor C30 and the other ends of the resistor R20, the capacitor C31 and the capacitor C33 are connected with the ground;

the Type-C input and output circuit comprises a Type-C chip U17 and a Type-C chip U18, a pin B4 of the Type-C chip U17 and a pin B4 of the Type-C chip U18 are connected with a light-emitting diode LED4 in series and grounded, and a Type-C chip U17 and a Type-C chip U18 are connected with corresponding pins of the HDMI output circuit;

the storage circuit comprises an MX25L512COI storage chip U13 and a VL103_ QFNPD adapter chip U2, a pin 3 parallel resistor R68 of the MX25L512COI storage chip U13 is connected with an A3V3, and a corresponding pin of the VL103_ QFNPD adapter chip U2 is connected with a corresponding pin of the MX25L512COI storage chip U13.

Preferably, the HDMI output circuit is connected with the HDMI interface, the Type-C input/output circuit is respectively connected with the Type-C output female socket and the Type-C input male socket, and the storage circuit is connected with the SD card interface and the TF card interface.

Preferably, the Type-C input/output circuit reads data from the memory circuit and transmits the data to the HDMI output circuit.

Compared with the prior art, the beneficial effects of the utility model are as follows:

in the multi-port transponder, the voltage of a PD adaptive chip U2 adopts 5V and 3.3V, which respectively correspond to different terminal products, the current is according to a communication chip handshake protocol between a PD protocol chip of a charger and terminal equipment, a Type-C input/output circuit reads data of a storage circuit and sends the data to an HDMI output circuit, the HDMI interface and the USB interface are connected by the Type-C interface, the SD card is completed by a Type-C output female seat and a Type-C input male head, the TF card data is read, the Type-C input/output circuit shapes and amplifies the accessed signals and outputs the signals required by the corresponding interface, the HDMI interface and the USB interface can become the mainstream mobile equipment converter of the industry due to the universality, intelligence and convenience of the USB interface after more and more devices such as mobile phones, tablets, notebook computers and the like adopt Type-C, the USB interface can be easily connected with the HDMI interface and the USB interface in a data mode, and can be widely applied to smart phones, tablet computers and PC terminals.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a diagram of a circuit board structure according to the present invention;

fig. 3 is a schematic diagram of the HDMI of the present invention;

FIG. 4 is a schematic diagram of the voltage reduction circuit of the present invention

FIG. 5 is a schematic diagram of a Type-C I/O circuit according to the present invention;

fig. 6 is a schematic diagram of a memory circuit according to the present invention.

In the figure: 1. a housing; 2Type-C output female seat; 3. an SD card interface; 4. a TF card interface; 5. a USB interface; 6. inputting a male head by Type-C; 7. an HDMI interface; 8. a circuit board; 81. an HDMI output circuit; 82. A Type-C input/output circuit; 83. a memory circuit.

Detailed Description

The technical solution in the embodiment of the present invention will be made clear below with reference to the drawings in the embodiment of the present invention; the present invention has been described in considerable detail with reference to certain preferred versions thereof. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a multi-port repeater includes a housing 1 clamped with each other to form a hermetic housing, an HDMI interface 7 is embedded in a front-end groove of the housing 1, a plurality of grooves processed on one side of the housing 1 are respectively embedded into a Type-C output female socket 2, an SD card interface 3, a TF card interface 4 and a USB interface 5, corresponding interfaces are inserted into the Type-C output female socket 2, the SD card interface 3, the TF card interface 4 and the USB interface 5, a Type-C input male head 6 is embedded in a groove processed on the other symmetrical side of the housing 1, a circuit board 8 fixed in an inner cavity of the housing 1 is soldered on the circuit board 8, and electrically connected HDMI output circuit 81, Type-C input output circuit 82 and a memory circuit 83 are soldered on the circuit board 8, the Type-C input output circuit 82 is connected with the Type-C output female socket 2, the Type-C input male head 6 and the Type-C input male head 6, The storage circuit 83 is connected with the SD card interface 3 and the TF card interface 4, the storage circuit 83 stores data after the SD card and the TF card are inserted, the Type-C input and output circuit 82 reads the data of the storage circuit 83, the data are sent to the HDMI output circuit 8, the data connection between the HDMI interface and the USB interface is completed through the Type-C interface, the SD card and the TF card data are read through the Type-C output female seat 2 and the Type-C input male head 6.

Referring to fig. 3-4, a PS176 chip U7 of the HDMI output circuit 81 is connected to a voltage-reducing circuit, the voltage-reducing circuit includes a SY8089A chip U4 and a SY8089A chip U5, a pin 3 of the SY8089A chip U4 is connected in series with an inductor L1, a capacitor C24, a resistor R17, a capacitor C28 and a capacitor C29 and is connected in parallel to a DP1V2, a pin 5 of the SY8089A chip U4 is connected to the other end of a capacitor C24, the other end of a resistor R17 is connected to a parallel port of a resistor R19, a pin 4 of the SY8089A chip U4 is connected in parallel with a capacitor C26 and is connected to VBUS, and the other end of a capacitor C26 and the other ends of a resistor R19, a; the pin 3 of a SY8089A chip U5 is connected with an inductor L2, a capacitor C25, a resistor R16, a capacitor C31 and a capacitor C33 in series and is connected with S3V3 in parallel, a pin 5 of a SY8089A chip U5 is connected with a parallel connection port of the capacitor C25, the other end of a resistor R18 and a parallel connection port of a resistor R20, a pin 4 of a SY8089A chip U5 is connected with a capacitor C30 in parallel and is connected with VBUS, the other end of the capacitor C30 and the other ends of the resistor R20, the capacitor C31 and the capacitor C33 are grounded, and after impedance in a circuit is eliminated by the inductor L1, and a power supply in the circuit can be subjected to voltage reduction treatment according.

Referring to fig. 5, the Type-C input/output circuit 82 includes a Type-C chip U17 and a Type-C chip U18, a light emitting diode LED4 connected in series to a pin B4 of the Type-C chip U17 and the Type-C chip U18 is grounded, a Type-C chip U17 and a Type-C chip U18 are connected to a corresponding pin of the HDMI output circuit 81, and the Type-C input/output circuit 82 shapes and amplifies an accessed signal to output a signal required by a corresponding interface.

Referring to fig. 6, the memory circuit 83 includes an MX25L512COI memory chip U13 and an adapter chip U2, a pin 3 parallel resistor R68 of the MX25L512COI memory chip U13 is connected to A3V3, a VL103_ QFNPD adapter chip U2 is connected to a corresponding pin of the MX25L512COI memory chip U13, a voltage of the PD adapter chip U2 is 5V and 3.3V, which correspond to different terminal products, respectively, and a current automatically negotiates to charge with a corresponding current according to a communication chip handshake protocol between a PD protocol chip of a charger and a terminal device, so as to provide a suitable voltage and current for safe and fast charging.

With the adoption of more and more types of mobile phones, tablets, notebook computers and other equipment adopting Type-C interfaces, the HDMI 7 and the USB 5 become mainstream mobile equipment converters in the industry due to universality, intelligence and convenience, can be easily connected with the HDMI 7 and the USB 5 in data, and can be widely applied to smart phones, tablets and PC terminals.

In summary, the following steps: in the multi-port transponder, the voltage of a PD adaptive chip U2 adopts 5V and 3.3V, which respectively correspond to different terminal products, the current is according to a communication chip handshake protocol between a PD protocol chip of a charger and terminal equipment, a Type-C input/output circuit 82 reads data of a storage circuit 83 and sends the data to an HDMI output circuit 8, the data connection between an HDMI interface and a USB interface is completed through the Type-C interface, an SD card is completed through a Type-C output female seat 2 and a Type-C input male head 6, the data of the TF card is read, the Type-C input/output circuit 82 shapes and amplifies the accessed signals and outputs the signals required by the corresponding interface, and after more and more mobile phones, tablets, notebook computers and other equipment adopt Type-C, the HDMI interface 7 and the USB interface 5 are completed due to the universality, the intelligence and the convenience, the converter becomes a mainstream mobile equipment converter in the industry, can be easily connected with the HDMI 7 and the USB 5 in a data mode, and can be widely applied to smart phones, tablet computers and PC terminals.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the term "includes"; "comprises," "comprising," or any other variation thereof, is intended to cover a non-exclusive inclusion, such that a process that comprises a list of elements; a method; an article or apparatus may comprise not only those elements but also other elements not expressly listed or embodied as such; a method; an article or an apparatus.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention; modifying; alternatives and modifications, the scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A multiport transponder comprising a housing (1) which is mutually snap-fitted to form a hermetic seal, characterized in that: the HDMI interface (7) is embedded into a groove at the front end of the shell (1), a plurality of grooves machined in one side face of the shell (1) are respectively embedded into a Type-C output female seat (2), an SD card interface (3), a TF card interface (4) and a USB interface (5), a Type-C input male head (6) is embedded into a groove machined in the other symmetrical side face of the shell (1), a circuit board (8) is fixed in an inner cavity of the shell (1), and an HDMI output circuit (81), a Type-C input output circuit (82) and a storage circuit (83) which are electrically connected are soldered on the circuit board (8);

a PS176 chip U7 of the HDMI output circuit (81) is connected with a voltage reduction circuit, the voltage reduction circuit comprises a SY8089A chip U4 and a SY8089A chip U5, a pin 3 of the SY8089A chip U4 is connected with an inductor L1, a capacitor C24, a resistor R17, a capacitor C28 and a capacitor C29 in series and connected with a DP1V2 in parallel, a pin 5 of the SY8089A chip U4 is connected with the other end of the capacitor C24, the other end of the resistor R17 and a parallel connection port of the resistor R19, a pin 4 of the SY8089A chip U4 is connected with a capacitor C26 in parallel and connected with VBUS, and the other end of the capacitor C26 and the other ends of the resistor R19, the capacitor C28 and the capacitor; a pin 3 of a SY8089A chip U5 is connected with an inductor L2, a capacitor C25, a resistor R16, a capacitor C31 and a capacitor C33 in series and is connected with an S3V3 in parallel, a pin 5 of the SY8089A chip U5 is connected with a parallel connection port of the capacitor C25, the other end of the resistor R18 and the resistor R20, a pin 4 of the SY8089A chip U5 is connected with a capacitor C30 in parallel and is connected with VBUS, and the other end of the capacitor C30 and the other ends of the resistor R20, the capacitor C31 and the capacitor C33 are connected with the ground;

the Type-C input and output circuit (82) comprises a Type-C chip U17 and a Type-C chip U18, a light-emitting diode LED4 connected in series with a pin B4 of the Type-C chip U17 and a pin B4 of the Type-C chip U18 are grounded, and a Type-C chip U17 and a Type-C chip U18 are connected with corresponding pins of the HDMI output circuit (81);

the memory circuit (83) comprises an MX25L512COI memory chip U13 and a VL103_ QFNPD adapter chip U2, a pin 3 parallel resistor R68 of the MX25L512COI memory chip U13 is connected with an A3V3, and a corresponding pin of the VL103_ QFNPD adapter chip U2 is connected with a corresponding pin of the MX25L512COI memory chip U13.

2. A multiport repeater according to claim 1, characterized in that: the HDMI interface device is characterized in that the HDMI output circuit (81) is connected with the HDMI interface (7), the Type-C input and output circuit (82) is respectively connected with the Type-C output female base (2) and the Type-C input male head (6), and the storage circuit (83) is connected with the SD card interface (3) and the TF card interface (4).

3. A multiport repeater according to claim 1, characterized in that: the Type-C input/output circuit (82) reads data from a memory circuit (83) and transmits the data to an HDMI output circuit (81).