WO2023024014A1

WO2023024014A1 - Docking station

Info

Publication number: WO2023024014A1
Application number: PCT/CN2021/114725
Authority: WO
Inventors: 陈兴全; 肖杰; 林涓
Original assignee: 深圳市显盈科技股份有限公司
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2023-03-02
Also published as: CN220855652U

Abstract

Disclosed in the present application is a docking station, comprising a housing and a loudspeaker (11), which is fixed on the housing, wherein a circuit board is provided inside the housing; a main interface (12) for connecting to an external host (200), several USB interfaces (13), and an HDMI interface (14), which is connected to the main interface (12), are provided in the docking station; a multi-port repeater (15), an audio processor (16), a digital-to-analog audio converter (17), and an audio power amplifier (18), which is connected to the loudspeaker (11), are sequentially connected to each other and are provided on the circuit board; and the USB interfaces (13) and the main interface (12) are connected to the multi-port repeater (15). The docking station provided in the embodiments of the present application has the functions of sound playing, a hub and video switching.

Description

docking station

technical field

The present application relates to the field of electronic technology, in particular to a docking station.

Background technique

With the rapid development of information technology, during the novel coronavirus pneumonia (Corona Virus Disease 2019, COVID-19) pandemic, many companies have arranged meetings to be held online. The popularity of remote meetings has brought us safer, A more efficient work experience. However, the current video conference projection screen can only be connected to an external display device through the video and audio output port of the computer. At present, there are more and more Apple computers and computers supporting TYPE-C on the market. The body is light and thin and easy to carry.

Most of the conference call devices on the market have problems such as poor mobility and single functions. When a large conference needs to be set up, multiple devices with single functions are often combined to build the system. The system is complex and the reliability is poor.

technical problem

One of the objectives of the embodiments of the present application is to provide a docking station.

technical solution

The technical scheme that the embodiment of the present application adopts is:

In a first aspect, a docking station is provided, which includes a casing and a circuit board is arranged in the casing, and the docking station is provided with a main interface for connecting to an external host, several USB interfaces, and an HDMI connected to the main interface Interface, characterized in that the docking station also includes a speaker fixed on the housing, and the circuit board is provided with a multi-port repeater, an audio processor, a digital-to-analog audio converter and a The speaker is connected to the audio power amplifier, and the USB interface and the main interface are connected to a multi-port repeater.

In one embodiment, a power interface is also included, and the power interface is connected to the main interface.

In one embodiment, the main interface is a type-C interface, and the power interface is a TYPE-C PD.

In one embodiment, the multi-port repeater communicates with the audio processor through a USB2.0 channel.

In one embodiment, the multi-port repeater includes a hub chip VL817.

In one embodiment, the audio processor includes an audio processing chip XVF3000.

In one embodiment, the digital-to-analog audio converter includes a digital-to-analog audio conversion chip HT5010.

In one embodiment, the audio power amplifier includes an audio power amplifier chip HT6872.

In one embodiment, the HDMI interface communicates with the main interface through a video conversion chip.

Beneficial effect

The docking station provided in the embodiment of the present application has the functions of sound playing, hub and video switching.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings that need to be used in the embodiments or exemplary technical descriptions. Obviously, the accompanying drawings in the following descriptions are only for this application. For some embodiments, those skilled in the art can also obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a block diagram of a docking station provided in Embodiment 1 of the present application;

Fig. 2 is a module block diagram of the docking station provided in Embodiment 2 of the present application;

FIG. 3 is a module block diagram of the docking station provided in Embodiment 3 of the present application.

Embodiments of the present invention

In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present application.

It should be noted that when a component is referred to as being “fixed on” or “disposed on” another component, it may be directly on the other component or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are for convenience of description only, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the application, and those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations. The terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of technical features. "Plurality" means two or more, unless otherwise clearly and specifically defined.

In order to illustrate the technical solutions provided by the present application, detailed descriptions will be given below in conjunction with specific drawings and embodiments.

Please refer to FIG. 1 , some embodiments of the present application provide a multifunctional docking station, which is compatible with speakers and display screens. The docking station includes a housing and a speaker 11 fixed on the housing. A circuit board is arranged inside the housing. The docking station is provided with a main interface 12 for connecting to an external host 200 and several Universal Serial Bus (Universal Serial Bus, USB) interfaces 13 And a high-definition multimedia interface (High Definition Multimedia Interface, HDMI) interface 14 connected to the main interface 12, the circuit board is provided with a multi-port transponder 15 (HUB), an audio processor 16, a digital-to-analog audio converter 17 and The audio power amplifier 18 connected with the speaker 11 , the USB interface 13 and the host interface 12 are connected with the multi-port repeater 15 . By integrating the speaker function in the docking station, the docking station, as a common accessory of computer equipment, has the convenience of moving, as well as the function of multi-port conversion and charging and discharging. At the same time, it can also be used as a speaker when setting up a meeting, saving The original required independent speaker is removed, which makes the construction of the conference system simple. The construction of a single device also means that the possibility of failure is greatly reduced, and it also has the practicability of one machine for multiple purposes.

The docking station in these embodiments can expand the USB devices connected to the external host 200 to transmit data by setting several USB interfaces 13, such as two or more, such as U disk, keyboard, mouse, hard disk and other devices that meet the USB specification . For example, if the USB interface 13 is an interface of 3.0 or below, it can meet the requirements of serial advanced technology attachment (Serial Advanced Technology Attachment, SATA)/solid state drive (Solid State Disk or Solid State Drive, SSD) interface hard disk and other high-speed data transmission needs, the maximum support rate is 5Gbps.

The working principle of this implementation transmits the signal to the multi-port transponder 15 through the D- and D+ pins of the USB interface 13, and the multi-port transponder 15 then transmits the signal to the external host 200. The external host 200 can be a computer or a mobile phone, and the external host 200 Detect the received USB device information and determine the type of the USB device. Then communicate with the signal type required by the external host 200 for data information transmission and exchange. There are also SSTX-, SSTX+ pins of the USB interface 13 to send and receive signals. If the multi-port transponder 15 detects that it can both send and receive, it is determined that the back end is connected to a USB3.0 device. Then, high-speed data transmission and reception are performed to the external host 200 through the bridging function of the multi-port forwarder 15 .

The main interface 12 adopts a Type-C interface, and is connected with a computer or a mobile phone through the Type-C interface, and can transmit audio and video data at the same time, and can also use an external host 200 to supply power to the docking station. In addition, if the power of the docking station is relatively large, and the external host 200 is not enough to supply power to the docking station through the main interface 12, or when the external host 200 also needs the power supply of the docking station, please refer to Figure 2, and a power interface can also be set 19. Supply power to the external host 200 through the main interface 12. For example, the power interface 19 is also a Type-C interface, and even further adopts a Type-C pulse duration (Pulse Duration, PD) interface, which can be connected to a PD power supply. The power supply of the docking station and the power supply of the computer through the docking station can still charge the computer when the Type-C interface of the external host 200 is occupied for a long time, so as to ensure that the computer can work for a long time.

In some embodiments, the main interface 12 adopts a Type-C interface, and the Type-C interface is provided with a Type-C protocol chip and a PD3.0 controller, such as a VL103R chip, and the VL103R chip contains a Type-C VBUS-managed power supply The management unit can detect that when there is no PD power input, the power supply is provided by the Type-C external host 200. When it detects that a PD power is plugged in, it switches to the PD power supply mode and transmits the PD power to the Type-C external host 200, so that the power supply mode can be quickly switched.

When the Type-C interface external host 200 is used to provide power (no PD power supply), the power provided by the Type-C external host 200 transmits power to the integrated power switch converter chip (such as IM2605 chip) through VBUS, and is converted by the integrated power switch The controller chip outputs a stable 5V power supply to provide power to the docking station.

When using the PD power supply, the integrated power switch converter chip sends a signal to notify the VL103R chip, and the power supply information required by the VL103R chip to communicate with the Type-C external host 200 is sent back to the integrated power switch converter chip, and the integrated power switch converter chip The PD power connected outside the chip is transmitted to the integrated power switch converter chip, and the integrated power switch converter chip outputs a stable 5V power supply to supply power to the docking station. And the integrated power switch converter chip transmits the PD power to the TYPE-C host device (such as a computer or mobile phone) to charge the device.

In one embodiment, the multi-port repeater 15 communicates with the audio processor 16 through a USB 2.0 channel, so as to save resources of the USB interface 13 with a higher transmission speed.

Please refer to FIG. 3 , in one embodiment, the docking station further includes a microphone 20 connected to the audio processor 16 for collecting and outputting audio signals to the audio processor 16 . In this way, the docking station has a sound pickup function, and can be used as a sound pickup and playback device for video conferences or live broadcasts, and can meet diverse needs.

Please refer to Fig. 3, in one embodiment, between the audio processor 16 and the multi-port repeater 15, a switch 21 is connected, and the switch 21 is used to transfer the audio signal of the main interface 12 from the multi-port repeater 15 Switching between transmission to the audio processor 16 and transmission of the audio signal output from the microphone 20 from the audio processor 16 to the multiport repeater 15 . In this way, using the switching switch 21 can save the I/O port resources of the multi-port repeater 15 . In other embodiments, the switching switch 21 may not be used, and the multi-port transponder 15 transmits and receives audio signals using two different channels for transmission.

In one embodiment, the multiport transponder 15 includes a hub chip VL817, the audio processor 16 includes an audio processing chip XVF3000, and the digital-to-analog audio converter 17 includes a digital-to-analog audio conversion chip HT5010, and the audio processing chip XVF3000 converts the received audio signal The I²S digital audio signal is transmitted to the digital-to-analog audio conversion chip HT5010 through the I²S channel pin, the audio power amplifier 18 includes an audio power amplifier chip HT6872, and the HDMI interface 14 communicates with the main interface 12 through a video conversion chip.

The working power of this docking station can be automatically switched by the PD interface or the Type-C interface. The purpose of configuring the PD interface is to ensure a normal power supply current for charging and to charge the external host 200 . The principle of PD charging is roughly that when the PD adapter is inserted, the PD adapter sends a power supply capability information to the corresponding power demand external host 200, and the external host 200 receives the power supply capability information and sends a power demand information to the PD. The adapter, the PD adapter adjusts the voltage and current for power supply.

As long as there is an interface in the HDMI interface 14, the display device will transfer their extended display identification data (Extended Display Identification Data, EDID) information to the video conversion chip (such as RTD2172L chip), and the video conversion chip will pass the Type-C interface (main The interface 12) is connected to the external host 200, and upon receiving the EDID signal, it will send the corresponding resolution and audio signal according to the requirements of the display.

When a device is inserted into the USB interface 13, the process identifier (PID) information of the device is connected to the external host 200 through the multi-port transponder 15 for identification, and a data signal is released to the multi-port transponder 15 for bridging.

Microphone 20 input principle: When the external host 200 selects the microphone 20 input, the microphone 20 collects signals and transmits them to the audio processor 16, and the audio processor 16 compiles and processes the received signals and transmits them to the multi-port transponder 15, and then through the multi-port transponder 15 upload to the external host 200.

Working principle of the speaker 11: when the external host 200 selects the output of the speaker 11, the external host 200 transmits the audio digital signal to the multi-port transponder 15, then to the audio processor 16, and then to the digital-to-analog audio converter 17 to convert the digital audio signal It is processed into an analog signal, and then transmitted to the audio power amplifier 18 to amplify the analog audio signal, and then transmitted to the speaker 11 to propagate the sound.

The docking station provided in the embodiment of the present application has the functions of sound playback, hub, microphone reception, and video transfer, with diversified functions, many applicable scenarios, and strong expandability.

The above are only optional embodiments of the application, and are not intended to limit the application. For those skilled in the art, various modifications and changes may occur in this application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included within the scope of the claims of the present application.

Claims

The docking station includes a housing and a circuit board is arranged inside the housing, the docking station is provided with a main interface for connecting to an external host, several USB interfaces, and an HDMI interface connected to the main interface, wherein the The docking station also includes a speaker fixed on the housing, and the circuit board is provided with a multi-port repeater, an audio processor, a digital-to-analog audio converter and an audio power amplifier connected to the speaker in sequence, so The USB interface and the host interface are connected to the multi-port repeater.
The docking station according to claim 1, further comprising a power interface connected to the main interface.
The docking station according to claim 2, wherein the main interface is a Type-C interface, and the power supply interface is a Type-C PD.
The docking station according to claim 1, wherein the multi-port repeater is communicatively connected to the audio processor through a USB2.0 channel.
The docking station according to any one of claims 1 to 4, wherein the multi-port repeater includes a hub chip VL817.
The docking station according to any one of claims 1 to 4, wherein the audio processor includes an audio processing chip XVF3000.
The docking station according to any one of claims 1 to 4, wherein the digital-to-analog audio converter includes a digital-to-analog audio conversion chip HT5010.
The docking station according to any one of claims 1 to 4, wherein the audio power amplifier includes an audio power amplifier chip HT6872.
The docking station according to any one of claims 1 to 4, wherein the HDMI interface is communicatively connected to the main interface through a video conversion chip.