CN212659071U

CN212659071U - Docking station

Info

Publication number: CN212659071U
Application number: CN202021797626.7U
Authority: CN
Inventors: 刘波
Original assignee: Shenzhen Yichang Industry Co ltd
Current assignee: Shenzhen Yichang Industry Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-05
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a docking station, which comprises a PCBA board and a shell, wherein the PCBA board is provided with a Type-C interface, a USB3.0 interface, an HDMI interface and a main control chip, and the Type-C interface and the HDMI interface are connected with the main control chip; the Type-C interface and the HDMI are communicated through a TX/RX communication mode of DP signals, AUX is an auxiliary signal, and CC is a detection signal; the main control chip converts the DP signal input by the Type-C interface into an HDMI signal and outputs the HDMI signal from the HDMI interface; the USB3.0 interface and the TYPE-C interface carry out communication or data conversion through a TX/RX communication mode of USB3.0 signals, are connected with DP/DM signals, and are compatible with USB2.0 and the following standards. The utility model discloses can only realize under the condition of a function at the video conversion single-chip, increase a USB3.0 extension interface, realize an interface input, two interface outputs, and this USB3.0 interface can connect mouse keyboard, USB flash disk mobile hard drive, audio amplifier printer, also support the equipment or the expander of numerous area USB interfaces such as charging, wired network, compatible strong, stable performance, the usage is extensive.

Description

Docking station

Technical Field

The utility model belongs to the technical field of the electronic technology and specifically relates to a docking station is related to.

Background

A Docking station (Docking station), also called a Port Replicator, may be configured to replicate or even expand ports of devices such as a mobile phone, a notebook computer, a tablet computer, and a game machine at an input end, so that the devices such as the mobile phone, the notebook computer, the tablet computer, and the game machine at the input end may be conveniently connected to a plurality of accessories or external devices (such as a power adapter, a network cable, a mouse, an external keyboard, a printer, and an external display) in a one-stop manner.

In the prior art, a single master control chip is usually used for docking video conversion TO achieve single-interface video transmission, such as Type C TO HDMI, and the like, and this design function is too single, for a product in which a single conversion is achieved by a single chip, although an audio signal is integrated in an HDMI signal, audio and video can be synchronously output on a television, if a computer display without audio is used, only an image and no sound are available, and only extended display is available, and any operation needs TO be performed on a screen or a keyboard of a device such as a mobile phone, a notebook computer, a tablet computer, a game console and the like at an input end, which is inconvenient TO use.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a docking station to solve the above-mentioned problems of the background art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a docking station, which includes a PCBA board and a housing, wherein the PCBA board is provided with a Type-C interface, a USB3.0 interface, an HDMI interface, and a main control chip, and the Type-C interface and the HDMI interface are connected to the main control chip; the Type-C interface and the HDMI are communicated through a TX/RX communication mode of DP signals, AUX is an auxiliary signal, and CC is a detection signal; the main control chip converts the DP signal input by the Type-C interface into an HDMI signal and outputs the HDMI signal from the HDMI interface; the USB3.0 interface and the TYPE-C interface carry out communication or data conversion in a TX/RX communication mode of a USB3.0 signal, are connected with a DP/DM signal and are compatible with USB2.0 and the following standards; the casing is provided with a slot corresponding to the USB3.0 interface and the HDMI interface, and the PCBA board is arranged inside the casing.

Preferably, the PCBA board further includes a voltage conversion chip, the voltage conversion chip is configured to convert a high voltage input by the Type-C interface into a low voltage and provide the low voltage to the main control chip, and the USB3.0 interface and the HDMI interface directly use the main power of the Type-C interface.

Preferably, the main power voltage transmitted by the Type-C interface is 5V, and the maximum current is 3A.

Preferably, the voltage conversion chip includes a first voltage conversion chip and a second voltage conversion chip, the first voltage conversion chip is configured to convert the main power transmitted by the Type-C interface from 5V to 3.3V, and the second voltage conversion chip is configured to convert the main power transmitted by the Type-C interface from 5V to 1.2V.

Preferably, the first voltage conversion chip is an LDO chip.

Preferably, the second voltage conversion chip is a DC-DC chip.

Preferably, the master chip adopts an RTD2171U _ QFN40 or an AG9310_ QFN48 chip.

Adopt the utility model discloses a docking station, can only realize under a Type-C interface input and an HDMI interface output condition at single master control chip, increase a USB3.0 expansion interface, adopt RTD2171UQFN40 or AG9310QFN48 chip as the master control chip, realize a Type-C interface input, a USB3.0 interface and an HDMI interface output, and this USB3.0 interface can connect mouse keyboard, the USB flash disk removes the hard disk, the audio amplifier printer, also support to charge, numerous equipment or the expander of taking the USB interface such as wired network, and is compatible strong, stable performance, and wide application.

This product is small and exquisite, simple structure, and the input both can use the long line welding, can also change into the public first interface seat of Type C, uses the machine paster, and the equipment is more convenient, more swift, and manufacturing cost is lower, and profit margin is big, repayment that can be better in the consumer.

Drawings

Fig. 1 is a schematic circuit diagram of a docking station according to the present invention.

In the figure: 1. a Type-C interface; 2. a USB3.0 interface; 3. an HDMI interface; 4. a main control chip; 5. a first voltage conversion chip; 6. and a second voltage conversion chip.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As described in the background art, in the related art, a single master control chip is usually used for video transmission of a single interface in the video conversion of the docking station, such as Type C TO HDMI, and the like, and this design function is too single, and for a product in which a single chip is used for single conversion, although an audio signal is integrated in an HDMI signal, audio and video synchronous output can be performed on a television, if a computer display without audio is used, only an image without sound can be used for extended display, and any operation needs TO be performed on a screen or a keyboard of a device such as a mobile phone, a notebook computer, a tablet computer, a game console, and the like, which is inconvenient TO use.

In order to solve the problem, the utility model provides a docking station, as shown in fig. 1, the docking station comprises a PCBA board and a shell, wherein the PCBA board is provided with a Type-C interface 1, a USB3.0 interface 2, an HDMI interface 3 and a main control chip 4, and the Type-C interface 1 and the HDMI interface 3 are connected with the main control chip 4; the Type-C interface 1 and the HDMI interface 3 communicate through a TX/RX communication mode of DP signals, AUX as an auxiliary signal and CC as a detection signal; the main control chip 4 converts the DP signal input by the Type-C interface 1 into an HDMI signal and outputs the HDMI signal from the HDMI interface 3; the USB3.0 interface 2 and the TYPE-C interface 1 carry out communication or data conversion in a TX/RX communication mode of USB3.0 signals, are connected with DP/DM signals, and are compatible with USB2.0 and the following standards; the casing is provided with slots corresponding to the USB3.0 interface 2 and the HDMI interface 3, and the PCBA board is arranged inside the casing.

Further, the PCBA board further comprises a voltage conversion chip, the voltage conversion chip is used for converting high voltage input by the Type-C interface 1 into low voltage and providing the low voltage for the main control chip 4, and the USB3.0 interface 2 and the HDMI interface 3 directly use main power of the Type-C interface 1.

Further, the main power voltage transmitted by the Type-C interface 1 is 5V, and the maximum current is 3A.

Further, the voltage conversion chip comprises a first voltage conversion chip 5 and a second voltage conversion chip 6, wherein the first voltage conversion chip 5 is used for converting the main power transmitted by the Type-C interface 1 from 5V to 3.3V, and the second voltage conversion chip 6 is used for converting the main power transmitted by the Type-C interface 1 from 5V to 1.2V.

Further, the first voltage conversion chip 5 is an LDO chip.

Further, the second voltage conversion chip 6 employs a DC-DC chip.

Further, the master chip 4 adopts an RTD2171U _ QFN40 or an AG9310_ QFN48 chip.

The utility model discloses specific embodiment: be connected with the cell-phone of audio and video output with input Type C interface 1 of product, notebook computer, behind the Type C interface of equipment such as game machine, insert the display with HDMI interface 3 again, display device such as TV set or projecting apparatus, just can put into the cell-phone of small screen, notebook computer, the panel computer, image on the game machine is on bigger display, and can be on the USB3.0 interface 3 of product, according to actual user demand, can insert mouse keyboard, the USB flash disk removes the equipment of numerous USB interfaces such as hard disk, audio amplifier printer, or the USB interface charging wire, charge for other equipment.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A docking station, comprising: the PCBA comprises a PCBA board and a shell, wherein a Type-C interface (1), a USB3.0 interface (2), an HDMI interface (3) and a main control chip (4) are arranged on the PCBA board, and the Type-C interface (1) and the HDMI interface (3) are connected with the main control chip (4); the Type-C interface (1) and the HDMI interface (3) are communicated through a TX/RX communication mode of DP signals, AUX is an auxiliary signal, and CC is a detection signal; the main control chip (4) converts the DP signal input by the Type-C interface (1) into an HDMI signal and outputs the HDMI signal from the HDMI interface (3); the USB3.0 interface (2) and the TYPE-C interface (1) carry out communication or data conversion through a TX/RX communication mode of a USB3.0 signal, are connected with a DP/DM signal and are compatible with USB2.0 and the following standards; the casing is provided with slots corresponding to the USB3.0 interface (2) and the HDMI interface (3), and the PCBA board is arranged inside the casing.

2. The docking station as claimed in claim 1, wherein the PCBA board further comprises a voltage conversion chip for converting a high voltage inputted from the Type-C interface (1) into a low voltage to be supplied to the main control chip (4), and the USB3.0 interface (2) and the HDMI interface (3) directly use the main power of the Type-C interface (1).

3. A docking station according to claim 1, characterized in that the Type-C interface (1) delivers a main power voltage of 5V and a maximum current of 3A.

4. A docking station according to claim 2, characterized in that the voltage conversion chip comprises a first voltage conversion chip (5) and a second voltage conversion chip (6), the first voltage conversion chip (5) is used for converting the main power transmitted by the Type-C interface (1) from 5V to 3.3V, and the second voltage conversion chip (6) is used for converting the main power transmitted by the Type-C interface (1) from 5V to 1.2V.

5. A docking station according to claim 4, wherein the first voltage conversion chip (5) is an LDO chip.

6. A docking station according to claim 4, characterized in that the second voltage conversion chip (6) is a DC-DC chip.

7. A docking station according to any of claims 1-6, characterized in that the master chip (4) is an RTD2171U _ QFN40 or AG9310_ QFN48 chip.