CN217656710U

CN217656710U - Multifunctional electronic equipment

Info

Publication number: CN217656710U
Application number: CN202190000176.0U
Authority: CN
Inventors: 陈兴全; 肖杰; 林涓
Original assignee: Fullink Technology Co Ltd
Current assignee: Fullink Technology Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-10-25
Anticipated expiration: 2031-08-26
Also published as: WO2023024015A1

Abstract

The application discloses multi-functional electronic equipment, including the casing with fix speaker (11) on the casing, be provided with the circuit board in the casing, multi-functional electronic equipment is equipped with main interface (12) and a plurality of expansion interface (13) that are used for connecting outside host computer (200), be provided with multiport transponder (15) that connect gradually on the circuit board, audio processor (16), digital analog audio converter (17) and audio power amplifier (18) of being connected with speaker (11), expansion interface (13) are connected with main interface (12) or multiport transponder (15), still be equipped with first button (14) of being connected with audio processor (16) on the casing, first button (14) are used for control speaker (11) broadcast the volume of audio frequency. The multifunctional electronic equipment provided by the embodiment of the application has the functions of sound playing, hub and video switching.

Description

Multifunctional electronic equipment

Technical Field

The application relates to the technical field of electronics, in particular to multifunctional electronic equipment.

Background

At present, a video conference screen can only be connected to an external display device through a video and audio output port of a computer. Apple computers and computers supporting TYPE-C on the market are more and more at present, the machine body is light and thin and is convenient to carry, the computers are thinner and thinner, the function of an external interface is simplified, and diversified output requirements cannot be met.

Most conference equipment on the market has the problems of poor mobility, single function, inconvenience in operation and the like.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the embodiment of the application is as follows: a multifunctional electronic device is provided.

In a first aspect, a multifunctional electronic device is provided, which includes a housing and a speaker fixed on the housing, wherein a circuit board is disposed in the housing, the multifunctional electronic device is provided with a main interface for connecting an external host and a plurality of expansion interfaces connected with the main interface, 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 with the speaker, which are connected in sequence, the expansion interfaces are connected with the main interface or the multi-port repeater, the housing is further provided with a first key connected with the audio processor, a second key connected with the multi-port repeater and a controller disposed on the circuit board, and the first key is used for controlling the volume of the speaker playing audio; the second key is used for answering and hanging up control or starting and pausing control; the controller is connected with the first key and the second key and used for identifying the key operation of the first key and the second key and outputting corresponding control signals to the audio processor or the multi-port transponder.

In one embodiment, the system further comprises a power interface, wherein the power interface is connected with 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 expansion interface includes a number of USB interfaces connected with the multi-port repeater and HDMI interfaces connected with the host interface.

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 comprises a digital-to-analog audio conversion chip HT5010.

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

In one embodiment, the HDMI interface is communicatively connected to the main interface via a video conversion chip.

In one embodiment, the multifunctional electronic device is a sound box, a display screen or a docking station.

The three-dimensional packaging structure and the packaging method have the following beneficial effects:

the multifunctional electronic equipment provided by the embodiment of the application has the functions of sound playing, volume adjustment and docking station.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a block diagram of a multifunctional electronic device according to an embodiment of the present application;

fig. 2 is a block diagram of a multifunctional electronic device provided in an embodiment two of the present application;

fig. 3 is a block diagram of a multifunctional electronic device according to a third embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application, and the specific meaning of the terms will be understood by those skilled in the art according to the particular situation. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

In order to explain the technical solutions provided in the present application, the following detailed description is made with reference to specific drawings and examples.

Referring to fig. 1, some embodiments of the present application provide a multifunctional electronic device, which may be a sound box, a display screen, or a docking station. The multifunctional electronic equipment comprises a shell and a loudspeaker 11 fixed on the shell, wherein a circuit board is arranged in the shell, the multifunctional electronic equipment is provided with a plurality of expansion interfaces 13 which are used for connecting a main interface 12 of an external host 200 with the main interface 12, the circuit board is provided with a multi-port repeater 15 (HUB), an audio processor 16, a digital-to-analog audio converter 17 and an audio power amplifier 18 which are connected with the loudspeaker 11, the expansion interfaces 13 are connected with the main interface 12 or the multi-port repeater 15, the shell is also provided with a first key 14 connected with the audio processor 16 and a second key 22 connected with the multi-port repeater 15, and the first key 14 is used for controlling the volume of the loudspeaker 11 for playing audio; the second button 22 is used for answering and hanging up control, or for starting and pausing control; the controller 23 is connected to the first key 14 and the second key 22, and is used for identifying the key operation of the first key 14 and the second key 22 and outputting corresponding control signals to the audio processor 16 or the multi-port repeater 15. The multifunctional electronic equipment has interface conversion and expansion functions, integrates broadcasting functions on the basis, and is provided with a first case for adjusting volume and a second key for answering and hanging up control or starting and suspending control. The operation of the user is convenient in the use process, and the user experience is improved. When the multifunctional electronic equipment is used in a conference call process, a conference system can be established by using a single product of the multifunctional electronic equipment, so that the multifunctional electronic equipment is convenient to operate and has rich functions.

The first button 14 is used to control the volume of the multi-function electronic device, and thus, its control signal is output to the audio processor 16 to adjust the power at which the audio signal is played. Specifically, the first button 14 transmits an electrical signal generated according to the triggering or the button pressing time to the controller 23 (for example, a single chip), and the controller 23 can transmit the function state to be reached by the first button 14 to the audio processor 16 according to the written program to adjust the volume and control the LED lamp to conform to the lighting state of the written logic.

The second button 22 is used for controlling answering and hanging up control (such as talking and live broadcasting) of the external host 200, or for starting and pausing control (such as controlling audio and video playing). Therefore, the second button 22 is transmitted to the controller 23 (such as a single chip microcomputer) through the multi-port repeater 15 according to the status of the button, and the controller 23 sends a control signal to the external host 200 according to the written program to control the listening/hanging up status or the pause/start status. It is understood that the key operations of the first key 14 and the second key 22 may modify the setting of the controller 23 according to requirements.

The expansion Interface 13 includes a plurality of Universal Serial Bus (USB) interfaces 131 and a High Definition Multimedia Interface (HDMI) 132 connected to the main Interface 12.

The multifunctional electronic device in these embodiments may extend the USB devices connected to the external host 200 to transmit data by providing a plurality of USB interfaces 131, such as two or more USB devices, for example, USB devices conforming to the USB specification, such as a USB disk, a keyboard, a mouse, and a hard disk. For example, the USB interface 131 is 3.0 or less than 3.0, which can meet the high speed data transmission requirement of Serial Advanced Technology Attachment (SATA)/Solid State Drive (SSD) interface hard Disk, and the highest support rate is 5Gbps.

The implementation working principle sends signals to the multi-port transponder 15 through the D-and D + pins of the USB interface 131, the multi-port transponder 15 transmits the signals to the external host 200, the external host 200 can be a computer or a mobile phone, and the external host 200 detects the received USB equipment information and judges the type of the USB equipment. Then communicate with the signal type required by the external host 200 for data information transmission and exchange. And signals are transmitted and received through SSTX-SSTX + pins of the USB interface 131, and if the multiport transponder 15 detects that the USB interface can transmit and receive signals, the USB interface is determined to be a device with a rear end connected with USB 3.0. And then high-speed data transmission and reception to the external host 200 through the bridge function of the multi-port repeater 15.

Main interface 12 adopts the Type-C interface, is connected with computer or cell-phone through the Type-C interface, can the simultaneous transmission audio and video data, also can utilize outside host computer 200 to supply power for this multifunctional electronic equipment. In addition, if the power of the multifunctional electronic device is large, when the external host 200 is not enough to supply power to the multifunctional electronic device through the main interface 12, or when the external host 200 also needs to supply power to the multifunctional electronic device, please refer to fig. 2, a power interface 19 may be further provided, and power is supplied to the external host 200 through the main interface 12, for example, the power interface 19 is also a Type-C interface, and even a Type-C Pulse Duration (PD) interface is further adopted, and a PD power source may be accessed, for example, to supply power to the multifunctional electronic device and to supply power to the computer through the multifunctional electronic device, and the computer may be charged even if the Type-C interface of the external host 200 is occupied for a long time, so as to ensure that the computer can operate for a long time.

In some embodiments, the main interface 12 adopts a Type-C interface, and a Type-C protocol chip and a PD3.0 controller are provided on the Type-C interface, such as a VL103R chip, and a VBUS-managed power management unit of a Type-C is included inside the VL103R chip, so that it is possible to detect that power is supplied by the Type-C external host 200 when no PD power is input, and when a PD power is detected to be plugged, the mode of PD power supply is switched to, and the PD power supply is transferred to the Type-C external host 200, so as to rapidly switch the power supply mode.

When the external host 200 with the Type-C interface is used for supplying power (no PD power supply), the power supply provided by the external host 200 with the Type-C interface transmits the power supply to the integrated power switch converter chip (such as the IM2605 chip) through the VBUS, and the integrated power switch converter chip outputs a stable 5V power supply to supply power to the multifunctional electronic device.

When the PD power supply is used, the integrated power switch converter chip sends a signal to inform the VL103R chip, power supply information required by the VL103R chip to communicate with the Type-C external host 200 is transmitted back to the integrated power switch converter chip, the PD power supply accessed from the outside of the integrated power switch converter 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 multifunctional electronic equipment. And the integrated power switch converter chip transmits the PD power to TYPE-C host equipment (such as a computer or a mobile phone) to charge the equipment.

In one embodiment, the multi-port repeater 15 is communicatively coupled to the audio processor 16 via a USB 2.0 channel to conserve USB interface 131 resources for higher transmission speeds.

Referring to fig. 3, in one embodiment, the multifunctional electronic device further includes a microphone 20, and the microphone 20 is connected to the audio processor 16 for receiving and outputting audio signals to the audio processor 16. So, this multi-functional electronic equipment has the pickup function, can regard as the pickup of video conference or live and the equipment use of broadcast sound, can satisfy diversified demand.

Referring to fig. 3, in one embodiment, a switch 21 is connected between the audio processor 16 and the multi-port repeater 15, and the switch 21 is used for switching between transmitting the audio signal accessed by the main interface 12 from the multi-port repeater 15 to the audio processor 16 and transmitting the audio signal output from the microphone 20 from the audio processor 16 to the multi-port repeater 15. Thus, the use of the switch 21 can save the I/O port resources of the multi-port repeater 15. In other embodiments, the switch 21 may not be used, and the multiport repeater 15 may transmit the audio signal by using two different channels.

In one embodiment, the multiport repeater 15 includes a hub chip VL817, the audio processor 16 includes an audio processing chip XVF3000, 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 signals into I ² S digital audio signal pass I ² The S channel pin is transmitted to the digital-to-analog audio conversion chip HT5010, the audio power amplifier 18 includes an audio power amplifier chip HT6872, and the HDMI interface 132 is communicatively connected to the main interface 12 through a video conversion chip.

This multi-functional electronic equipment working power supply can be by PD interface or Type-C interface automatic switch-over. The PD interface is configured to ensure a normal supply current for charging and to charge the external host 200. The principle of PD charging is that when a PD adaptor is plugged in, the PD adaptor sends a power supply capability message to the external host 200 with a corresponding power demand, and after the external host 200 receives the power supply capability message, it sends a power demand message to the PD adaptor, and the PD adaptor adjusts the voltage and current to supply power.

As long as there is an interface access in the HDMI interface 132, the Display devices will transfer their Extended Display Identification Data (EDID) information to the video conversion chip (e.g., RTD2172L chip), the video conversion chip is connected to the external host 200 through the Type-C interface (host interface 12), and the received EDID signal will send the corresponding resolution and audio signal according to the Display requirement.

When a device is plugged into the USB interface 131, process Identifier (PID) information of the device is connected to the external host 200 through the multi-port repeater 15 for identification, and a data signal is released to the multi-port repeater 15 for bridging.

The microphone 20 inputs the principle: when the external host 200 selects the microphone 20 for input, the microphone 20 collects signals and transmits the signals to the audio processor 16, and the audio processor 16 performs a compiling process on the received signals and transmits the signals to the multi-port repeater 15, and then uploads the signals to the external host 200 through the multi-port repeater 15.

The working principle of the loudspeaker 11 is as follows: when the external host 200 selects the speaker 11 to output, the external host 200 transmits the audio digital signal to the multiport repeater 15, then to the audio processor 16, then to the digital-to-analog audio converter 17 to process the digital audio signal into an analog signal, then to the audio power amplifier 18 to amplify the analog audio signal, and then transmits the analog audio signal to the speaker 11 to transmit the sound.

The multi-functional electronic equipment that this application embodiment provided has sound broadcast, volume control, docking station, microphone radio reception, video switching, microphone radio reception and video switching control function, and the function is diversified, and it is many to be suitable for the scene, and expansibility is strong.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. The multifunctional electronic equipment is characterized by comprising a shell and a loudspeaker fixed on the shell, wherein a circuit board is arranged in the shell, the multifunctional electronic equipment is provided with a main interface used for connecting an external host and a plurality of expansion interfaces connected with the main interface, a multi-port repeater, an audio processor, a digital-to-analog audio converter and an audio power amplifier connected with the loudspeaker are sequentially arranged on the circuit board, the expansion interfaces are connected with the main interface or the multi-port repeater, a first key connected with the audio processor, a second key connected with the multi-port repeater and a controller arranged on the circuit board are further arranged on the shell, the first key is used for controlling the volume of the loudspeaker for playing audio, and the second key is used for answering and hanging up control or starting and pausing control; the controller is connected with the first key and the second key and used for identifying the key operation of the first key and the second key and outputting corresponding control signals to the audio processor or the multi-port transponder.

2. The multi-function electronic device of claim 1, further comprising a power interface, the power interface being connected to the main interface.

3. The multi-function electronic device of claim 2, wherein the primary interface is a Type-C interface and the power interface is a Type-C PD.

4. The multi-function electronic device of claim 1, wherein the expansion interface comprises a plurality of USB interfaces and HDMI interfaces, the USB interfaces being connected to the multi-port transponder, the HDMI interfaces being connected to the host interface.

5. Multifunction electronic device according to any one of the claims 1 to 4, characterized in that said multiport transponder comprises a hub chip VL817.

6. Multifunctional electronic device according to any of claims 1 to 4, characterized in that said audio processor comprises an audio processing chip XVF3000.

7. Multifunctional electronic device according to one of claims 1 to 4, characterized in that said digital-to-analog audio converter comprises a digital-to-analog audio conversion chip HT5010.

8. Multifunctional electronic device according to any of claims 1 to 4, characterized in that said audio power amplifier comprises an audio power amplification chip HT6872.

9. The multi-function electronic device of claim 4, wherein the HDMI interface is communicatively connected to the main interface via a video conversion chip.

10. The multi-function electronic device of claim 1, wherein the multi-function electronic device is a sound box, a display screen, or a docking station.