CN210404263U

CN210404263U - Multifunctional USB line for mobile phone on-screen charging

Info

Publication number: CN210404263U
Application number: CN201920348944.6U
Authority: CN
Inventors: 陶运武
Original assignee: Dongguan Changming Electronic Co ltd
Current assignee: Dongguan Changming Electronic Co ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-04-24
Anticipated expiration: 2029-03-19

Abstract

The utility model belongs to the technical field of the USB connecting wire, concretely relates to cell-phone is with multi-functional USB line that charges of screen, including audio-visual interface, audio-visual interface electric connection has audio-visual signal line, audio-visual signal line middle part winding is connected with the reason line ware, the middle part and the knob of reason line ware rotate to be connected, and audio-visual signal line's opposite side electric connection has the conversion box, be provided with power source on the conversion box, the conversion box is female mouthful, audio plug and miniature HDMI through data connection electric connection USB respectively and connects, the USB data line has been cup jointed on the female mouth of USB. The utility model discloses a female design of mouthful butt joint USB data line of USB can correspond according to the different models of cell-phone and change the USB data line, and the suitability is strong, has automatic reason line function simultaneously, and convenience of customers uses and stable performance, has apparent practical meaning.

Description

Multifunctional USB line for mobile phone on-screen charging

Technical Field

The utility model relates to a USB connecting wire technical field particularly, relates to cell-phone is with screen charging multifunctional USB line.

Background

USB is an abbreviation for Universal Serial Bus (chinese), and is referred to as "Universal Serial Bus" for short, and is an external Bus standard for standardizing the connection and communication between computers and external devices.

Since release of USB V0.7 at 11/1994, USB version has been developed for many years, and has been developed to 3.1, becoming the standard extension interface in computers in the twenty-first century. The current mainboard mainly adopts USB2.0 and USB3.0 interfaces, and USB versions can be well compatible. USB uses a 4-pin (USB3.0 standard is 9-pin) plug as a standard plug, and all peripherals can be connected in daisy chain form, and 127 external devices can be connected at most without losing bandwidth.

The USB has the advantages of high transmission speed, convenience in use, support for hot plug, flexibility in connection, independent power supply and the like, and can be connected with a mouse, a keyboard, a printer, a scanner, a camera, a charger, a flash disk, an MP3 player, a mobile phone, a digital camera, a mobile hard disk, an external CD/floppy drive, a USB network card, an ADSL Modem, a Cable Modem and other almost all external devices.

With the continuous improvement of the living standard of people in China, the continuous development of resources of video websites, the continuous improvement of the functions of application programs of smart phones, the use of mobile devices such as mobile phones and flat panels for watching videos becomes common entertainment activities in the life of people in China, and the audience rating of television programs also continuously decreases. However, since the size of the devices such as mobile phones and tablets is limited, the screen is small, and the effect of watching videos is not excellent as that of large-screen televisions. Therefore, mobile phones of various models have the same screen wire, and pictures and sounds played on the mobile phones can be synchronized to the large television screen for playing. However, due to different performances and specifications of mobile phones, the problems of video delay, voice loss and the like easily occur when common mobile phones are converted from the same screen wire, and the practicability of the same screen conversion is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The multifunctional USB cable for charging the mobile phone on the same screen is provided to solve the problems that pictures of a common mobile phone on the same screen are easy to delay, sound can not be converted and broadcasted frequently, the model universality is poor, the phenomenon of disconnection exists and the like.

The multifunctional USB line for charging the mobile phone on the same screen comprises an audio-visual interface, wherein the audio-visual interface is electrically connected with an audio-visual signal line, the middle of the audio-visual signal line is wound and connected with a line arranging device, the middle of the line arranging device is connected with a knob in a rotating mode, the other side of the audio-visual signal line is electrically connected with a conversion box, a power interface is arranged on the conversion box, the conversion box is respectively connected with a USB female port, an audio plug and a micro HDMI connector through data wiring in an electrically connected mode, and a USB data line is sleeved on the USB.

Furthermore, a master control MCU is arranged in the conversion box and is electrically connected with the audio-video interface, the power interface, the USB female port, the audio plug and the micro HDMI connector.

Further, the master MCU is of the AM8252b type.

Furthermore, an indicator light is arranged on the conversion box and electrically connected with the power interface.

Furthermore, the audio-video interface is an HDMI interface.

Further, the power source interface is a USB type C female port.

Further, the audio plug is a 3.5mm audio plug.

The utility model has the advantages that:

1. the audio-visual signal line length that the supporting reason line ware is equipped with is longer, has made things convenient for the user to operate the cell-phone that is showing on the same screen on the sofa, and the user need not to go back and forth to the operation cell-phone before the TV set.

2. Possess independent power source, can guarantee equipment job stabilization, avoid throwing the screen signal card and pause.

3. The USB data line connected with the mobile phone is in a replaceable design, so that the mobile phone is convenient to adapt to mobile phones of different models.

4. The micro HDMI interface is used for connecting mobile equipment (such as a camera and a tablet personal computer) with the micro HDMI interface, and is convenient for users to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a multifunctional USB cable for charging on the same screen of a mobile phone.

The attached drawings are as follows:

the device comprises a 1-video interface, a 2-video signal line, a 3-wire arranging device, a 4-knob, a 5-conversion box, a 6-power interface, a 7-data connection line, an 8-USB female port, a 9-audio plug, a 10-micro HDMI connector, an 11-USB data line, a 12-main control MCU and a 13-indicator light.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, but not all embodiments. 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.

As shown in fig. 1, this embodiment provides cell-phone multi-functional USB line that charges with screen, including audio-visual interface 1, audio-visual interface 1 electric connection has audio-visual signal line 2, the winding of 2 middle parts of audio-visual signal line is connected with reason line ware 3, the middle part and the knob 4 of reason line ware 3 rotate to be connected, and the opposite side electric connection of audio-visual signal line 2 has conversion box 5, be provided with power source 6 on the conversion box 5, conversion box 5 has female mouth 8 of USB, audio plug 9 and miniature HDMI to connect 10 through data connection 7 electric connection respectively, female mouth 8 of USB has cup jointed USB data line 11. The audio-visual interface 1 is an HDMI interface, the power interface 6 is a USBtype C female port, and the audio plug 9 is a 3.5mm audio plug. In practical use, a data interface and an audio interface of a mobile device (such as a mobile phone and a tablet personal computer) needing screen projection are in butt joint with the USB data line 11 and the audio plug 9, the audio-video interface 1 is in butt joint with a video input interface of a television, and the power interface 6 is connected with a charging head, so that screen display contents and played audio contents of the mobile device can be projected onto the television. Because the audio signal line 2 is matched with the cable management device 3, the length of the audio signal line 2 can be designed to be long enough, so that a user can still connect the mobile device with a television while operating the mobile device in front of a sofa. If the audio signal wire 2 does not need to be stretched, the user can wind the audio signal wire 2 into the wire arranging device by twisting the knob 4, and the use of the user is facilitated. The USB data line 11 adopts the design of being able to plug on the USB female port 8, therefore can change the USB data line 11 of different specifications as required, the mobile device of adaptation various models. Aiming at the problem that the common screen projection line on the market is easy to have the problem that the sound cannot be played, an independent audio plug 9 is designed to input audio signals, and the television can be ensured to normally play the sound when the screen is projected. The power supply interface 6 designed by the USB type C female port can ensure that the power supply of the conversion box 5 is stable, and meanwhile, electric energy can be transmitted to the mobile equipment through the USB data line 11 for charging.

The conversion box 5 is provided with a master control MCU12, the master control MCU12 is electrically connected with the audio-visual interface 1, the power interface 6, the USB female port 8, the audio plug 9 and the micro HDMI connector 10, and the master control MCU12 is AM8252b in model number. The ActionsAM8252b chip supports that the screen, audio/video file, document file and browser file of the Android, iOS, Windows, MacOS and other systems are directly pushed to the HDMI interface equipment, so that the use is convenient, the compatibility is strong, and the applicability of the equipment is excellent.

An indicator light 13 is arranged on the conversion box 5, and the indicator light 13 is electrically connected with the power interface 6. The indicator light 13 may be illuminated when the power interface 6 is switched on for alerting the user of the operating status of the device.

The foregoing is a more detailed description of the present invention, and it is not intended that the present invention be limited to the specific details, since modifications and variations will be apparent to those skilled in the art.

Claims

1. The multifunctional USB line for charging the mobile phone on the same screen comprises an audio-visual interface and is characterized in that the audio-visual interface is electrically connected with an audio-visual signal line, the middle of the audio-visual signal line is wound and connected with a line arranging device, the middle of the line arranging device is rotatably connected with a knob, the other side of the audio-visual signal line is electrically connected with a conversion box, a power interface is arranged on the conversion box, the conversion box is respectively electrically connected with a USB female port, an audio plug and a micro HDMI connector through data wiring, and a USB data line is sleeved on the USB female port.

2. The multifunctional USB cable for charging on the same screen of the mobile phone according to claim 1, wherein a main control MCU is disposed in the conversion box, and the main control MCU is electrically connected to the audio/video interface, the power interface, the USB female port, the audio plug and the micro HDMI connector.

3. The multifunctional USB cable for charging mobile phone on the same screen as the mobile phone of claim 2, wherein the main control MCU is AM8252b in model number.

4. The multifunctional USB cable for charging on the same screen as the mobile phone according to claim 1, wherein an indicator light is disposed on the conversion box, and the indicator light is electrically connected to the power interface.

5. The multifunctional USB cable for charging the mobile phone on the same screen as the mobile phone of claim 1, wherein the video interface is an HDMI interface.

6. The multifunctional USB cable for charging the mobile phone on the same screen as the mobile phone in claim 1, wherein the power interface is a USB type C female port.

7. The mobile phone multi-functional USB cable of charging with one screen according to claim 1, wherein the audio plug is a 3.5mm audio plug.