CN205943427U

CN205943427U - Multimedia player

Info

Publication number: CN205943427U
Application number: CN201620719622.4U
Authority: CN
Inventors: 成智刚; 刘延
Original assignee: Xian Novastar Electronic Technology Co Ltd
Current assignee: Xian Novastar Electronic Technology Co Ltd
Priority date: 2016-07-08
Filing date: 2016-07-08
Publication date: 2017-02-08
Anticipated expiration: 2026-07-08

Abstract

The utility model relates to a multimedia player, include: flush bonding processor module, volatile memory, non - volatile memory, programmable logic device, be suitable for and connect the network output module of LED display screen and be suitable for the video output interface who connects the LCD display screen through receiving the card. Volatile memory with the nonvolatile memory electricity is connected the flush bonding processor module, the programmable logic device electricity is connected the flush bonding processor module, network output module electricity is connected programmable logic device, the video output interface electricity is connected the flush bonding processor module. Therefore, the utility model discloses can support LCD display screen and LED display screen simultaneously, consequently solve well because the inconsistent platform management difficult problem of bringing of system.

Description

Multimedia player

Technical field

This utility model is related to display control technology field, particularly to a kind of multimedia player.

Background technology

With display screen price reduction, the lifting of display effect and display screen assembling flow path standardization, it makes LED show Display screen is widely used in industry-by-industry, issues the important medium with entertainment interactive, such as news conference, party, annual meeting as information Etc..Wherein LED full-color display screen carries out the combination of color using the light emitting diode of three kinds of colors of red, green, blue, when gray scale etc. When level reaches 256 grades, it is combined into 16,770,000 kinds of colors, truly reduce the color of nature, be greatly expanded indoor, family The effect of outer large screen display and purposes.

However, current LED display multimedia player will be merely able to drive outdoor LED display screen, or or Only support that indoor LCD display can not carry load outdoor LED display screen, such as advertisement machine, some asynchronous multimedia players.By Inconsistent in LCD display and LED display screen system, therefore increase media companies needs to manage the difficulty of two platforms simultaneously Degree.

Utility model content

Therefore, LCD display and LED display cannot be supported for solving the problems, such as existing multimedia player simultaneously, The utility model proposes a kind of multimedia player that can support LCD display and LED display.

Specifically, a kind of multimedia player that an embodiment of the present utility model proposes, including：Flush bonding processor Module, volatile memory, nonvolatile memory, PLD and be suitable to by receiving card connect LED show The network output module of screen, described volatile memory and described nonvolatile memory electrically connect described flush bonding processor mould Block, described PLD electrically connects described flush bonding processor module, and described network output module electrical connection is described can Programmed logic device.Furthermore, described multimedia player also includes：It is adapted to video output interface and the institute of LCD display State video output interface and electrically connect described flush bonding processor module.

In an embodiment of the present utility model, described video output interface includes the first video interface and the second video Interface, described multimedia player also includes demultplexer, and described first video interface and described second video interface are all logical Cross described demultplexer and electrically connect described flush bonding processor module.

In an embodiment of the present utility model, described first video interface and described second video interface are respectively DVI interface and HDMI.

In an embodiment of the present utility model, described network output module is multichannel.

In an embodiment of the present utility model, described multimedia player also includes network PHY chip, power management Chip, USB HUB chip, RJ45 interface, WiFi module interface and mobile communication module interface；Described network PHY chip, described Power management chip and described USB HUB chip all electrically connect described flush bonding processor module, and described flush bonding processor Module, described volatile memory, described nonvolatile memory, described network PHY chip, described power management chip and institute State USB HUB chip to be arranged on first circuit board；Described RJ45 interface electrically connects described network PHY chip, described WiFi Module interface and described mobile communication module interface all electrically connect described USB HUB chip, and described PLD, institute State network output module, described video output interface, described RJ45 interface, described WiFi module interface and described mobile communication mould Block interface is respectively provided with the second circuit board；Described first circuit board and described second circuit board are in that levels arrangement is placed.

In an embodiment of the present utility model, described multimedia player also includes being arranged on described second circuit board On USB PHY chip, SD card interface and serial port module, described USB PHY chip, described SD card interface and described serial port module All electrically connect described flush bonding processor module.

In an embodiment of the present utility model, described multimedia player also includes being adapted to external video source Video input interface, is arranged on described second circuit board and electrically connects described flush bonding processor module.

In an embodiment of the present utility model, described multimedia player also includes being suitable to the audio-frequency electric of external speaker Road, is arranged on described second circuit board and electrically connects described flush bonding processor module.

In an embodiment of the present utility model, described WiFi module interface is USB interface, described mobile communication module Interface is PCI-E interface.

In an embodiment of the present utility model, described multimedia player also includes demultplexer, described video Output interface electrically connects described flush bonding processor module by described demultplexer, and described flush bonding processor includes ARM Processor, described PLD includes field programmable gate array.

From the foregoing, it will be observed that embodiment of the present utility model can support LCD display and LED display, therefore very well simultaneously Solve by inconsistent the brought platform management difficult problem of system.

By the detailed description below with reference to accompanying drawing, other side of the present utility model and feature become obvious.But should When knowing, this accompanying drawing is only the purpose design explained, not as the restriction of scope of the present utility model.Also should know Road, unless otherwise noted it is not necessary to scale accompanying drawing, they only try hard to structure described herein and stream are conceptually described Journey.

Brief description

Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in detail.

A kind of structural representation of multimedia player that Fig. 1 proposes for this utility model embodiment.

Specific embodiment

Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings to this The specific embodiment of utility model is described in detail.

Refer to Fig. 1, a kind of multimedia player that an embodiment of the present utility model proposes, including core board 11 He Base plate 13, and core board 11 and base plate 13 are in e.g. levels spread configuration, namely multimedia player adopts double-decker Design；But this utility model is not limited thereto, it can also be using single circuit plate structure design, namely core board 11 and bottom Component on plate 13 is incorporated on same circuit board.

Core board 11 includes arm processor 110, the DDR+EMMC storage being arranged on layer circuit board (in figure does not indicate) Device 111, network PHY chip 112, power management chip (Power Management IC, PMIC) 113, USB HUB chip ( I.e. usb hub chip) 114.

Wherein, arm processor module 110 is the master control core that whole system is run, internal operation operation system after upper electricity System (operating system such as such as Linux, Android) and the application software of function correlation, control various external equipment function； The concrete control being e.g. responsible for the broadcastings content to multimedia player and process, such as host computer communication, the collection of video, regard Frequency encoding and decoding and video scaling process etc..Additionally, what deserves to be explained is, arm processor 110 can also for have similar to Other flush bonding processor modules of arm processor.

DDR+EMMC memorizer 111 is memory module and electrically connects arm processor 110, DDR memory therein is as being The normal necessary module run of system, is to do data and program runs the volatile storage devices that storage exchanges use, the present embodiment For example with high speed DDR3 chip, system high-speed stable operation can be effectively ensured；And EMMC memorizer therein be system and The power down nonvolatile memory of user's storage program data, it is possible to provide user stores the data letter producing during wide range sort run Breath.In addition, herein it is understood that can also to be substituted for other volatile as the DDR+EMMC memorizer 111 of memory module Property memorizer and the combination of nonvolatile memory.

Network PHY chip 112 electrically connects arm processor 110, and it mainly does network data communication and uses, and also can do data Passage linkup transmit card is to drive LED display.In the present embodiment, network PHY chip 112 is preferably kilomega network PHY chip.

Power management chip 113 electrically connects arm processor 110, and it mainly provides electricity for the arm processor 110 of system Source control mechanism.In the present embodiment, the arm processor 110 in system, DDR memory, EMMC memorizer are for example independent respectively Power supply.

USB HUB chip 114 electrically connects arm processor 110, and it extends as USB interface and uses.

Hold above-mentioned, PLD 130 that base plate 13 includes being arranged on lower circuit plate (in figure does not indicate), many Road network output module 131, video input interface 132, demultplexer 133, DVI interface 134, HDMI 135, RJ45 connect Mouthfuls 136, voicefrequency circuit 137, USB PHY chip 138, SD card interface 139, serial port module 140, WiFi module interface 141 and Mobile communication module interface 142.

Wherein, PLD 130 electrically connects the arm processor 110 on core board 11, and it is as transmission card logic Core, be mainly used in support LED display show.Specifically, PLD 130 receives arm processor 110 After the data of display channel, first caching process, then can be defeated by one or more in multi-channel network output module 131 Go out, to drive LED display；Meanwhile, arm processor 110 passes through demultplexer 133, HDMI and DVI interface 134 Hold HDMI and DVI to export, to drive LCD display simultaneously；Consequently, it is possible to the multimedia player of the present embodiment can reach together When support the purpose of LED display and LCD display.Furthermore, the PLD 130 in the present embodiment can be FPGA Devices such as (Field Programmable Gate Array, field programmable gate arrays).

Multi-channel network output module 131 electrically connects PLD 130, four road network output module shown in Fig. 1 131, but this utility model is not limited thereto.One-way network output module 131 typically comprises the network PHY core being sequentially connected Piece, network transformer and RJ45 interface, and network PHY chip therein is preferably kilomega network PHY chip.Furthermore, as Fig. 1 institute Show, network output module 131 connects to receiving card reconnection LED display typically by RJ45 interface.

Video input interface 132 electrically connects the arm processor 110 on core board 11, and it is used for external video source and such as It is HDMI or other video interfaces.

, as two video output interfaces, it is electrically connected by demultplexer 133 for DVI interface 134 and HDMI 135 Arm processor 110 on core board 11.Arm processor herein due to employing demultplexer 133, on core board 11 After 110 output video signal such as HDMI signals, the demultplexer 133 on base plate 13 supports DVI as high speed duplicating chip Interface 134 and HDMI 135 export, to drive LCD display simultaneously.Furthermore, LCD display herein both can be used as aobvious Show that device uses, can use as control terminal again；LCD display uses as control terminal so that man-machine interaction is cleverer Live, strengthen interactive, LCD display and LED display are capable of double screen with aobvious, two separate display simultaneously.In addition, the present embodiment In demultplexer 133 for example with PI3HDX412BD chip, but this utility model is not limited thereto.Furthermore, it is necessary to say Bright, in other embodiments it is also possible to only arrange single video output interface, or even demultplexer can also be omitted 133, it equally can reach the purpose that this utility model supports LED display and LCD display simultaneously.

RJ45 interface 136 electrically connects the network PHY chip 112 on core board 11, and it is suitable to external PC or wireless routing Device.

Voicefrequency circuit 137 electrically connect core board 11 on arm processor 110, its as during media play to audio frequency one Individual processing module, typically comprises level shifting circuit, digital to analog converter and audio output port for external speaker.As This, can make system export corresponding audio frequency when playing video or directly play audio frequency, be preferably standard 3.5MM of adopting in design Audio output port, onboard power amplifier module, driving force can be made more powerful.

USB PHY chip 138 electrically connects the arm processor 110 on core board 11, and it is used for external USB flash disk.

SD card interface 139 electrically connects the arm processor 110 on core board 11, and it is used for external SD card.

Serial port module 140 electrically connects the UART (Universal of the arm processor 110 on core board 11 Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter) port, it for example includes level conversion Circuit, RS232 interface, RS485 transceiver and RS485 interface, RS232 interface is electrically connected at ARM by this level shifting circuit The UART port of reason device 110, RS485 interface sequentially passes through RS485 transceiver and this level shifting circuit electrically connects arm processor 110 another UART port.Additionally, RS485 interface is primarily used to connect the equipment of peripheral distance somewhat far point, such as light probe Deng；RS232 interface is usually to be used for debugging operations system, print use during some Debugging message.

WiFi module interface 141 electrically connect core board 11 on USB HUB chip 114 with connect to arm processor 110, It is, for example, USB interface to electrically connect WiFi module (in figure is not drawn).WiFi module herein for example have ap mode and Station pattern.

Mobile communication module interface 141 electrically connects the USB HUB chip 114 on core board 11, and it is, for example, that PCI-E connects Mouthful, and the mobile communication modules such as 3G/4G or even GPS module can be connected for the more rich expansion of system increase using this PCI-E interface Exhibition function, is proposed with non-on-board sub-miniature A connector in addition designing, and is connected directly to cabinet panel connection by radio frequency line and extends out Antenna, this design and installation is convenient and saves onboard space, and can ensure antenna radio-frequency signal quality.

In sum, this utility model achieves the support to LCD display and LED display, supports abundant simultaneously again Peripheral interface, convenient Function Extension is done for indoor and outdoor interaction.It is exportable relatively that this utility model passes through arm processor 110 The data of high-resolution such as 2536*1080P, is processed by PLD 130, to reach gigabit network port driving LED display, HDMI/DVI output support the purpose of LCD display；Further, since can support that LCD display and LED show Show while screen, the effect of interaction, such as infrared touch screen etc. can be reached using LCD display as control end.

More specifically, because this utility model can support LCD display and LED display simultaneously, therefore solving well Determine by inconsistent the brought platform management difficult problem of system, and can have the advantages that：

1) support LCD and LED display so that media companies can only need to safeguard that a platform just can be supported simultaneously LCD+LED shows；

2) LCD display can be used as display or control terminal, realize the flexible control to LED display, to increase Strong interaction effect, replaces computer as control terminal, flexibly, supports LCD/ blue Tooth remote controller；

3) this utility model can have powerful display output, video processing capabilities, support abundant network standard, make Obtain display screen to be controlled without using computer；

4) this utility model is based on embedded control system, has abundant interface, and extensibility is strong, and system supports LCD, HDMI, DVI interface display output simultaneously, greatly strengthen motility and the extensibility of system；

5) support double screen with aobvious, two separate display, and support multiwindow pattern；

6) support abundant video, audio frequency, picture, text formatting, support a road kilomega network output；And

7) network support is enriched, and supports wired/WiFi/3G/4G, and can support the ap mode+Station mould of WiFi Formula.

The above, be only preferred embodiment of the present utility model, not this utility model is made any formal Restriction although this utility model is disclosed above with preferred embodiment, but be not limited to this utility model, any ripe Know professional and technical personnel, in the range of without departing from technical solutions of the utility model, when in the technology of available the disclosure above Hold and make a little Equivalent embodiments changing or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model Hold, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, all still Belong in the range of technical solutions of the utility model.

Claims

1. a kind of multimedia player, including：Flush bonding processor module, volatile memory, nonvolatile memory, can compile Journey logical device and be suitable to by receiving card connect LED display network output module, described volatile memory and institute State nonvolatile memory and electrically connect described flush bonding processor module, described PLD electrical connection is described embedded Processor module, described network output module electrically connects described PLD；It is characterized in that, described multimedia Device also includes：It is adapted to the video output interface of LCD display and described video output interface electrically connects described embedded place Reason device module.

2. multimedia player as claimed in claim 1 is it is characterised in that described video output interface includes the first video connects Mouth and the second video interface, described multimedia player also includes demultplexer, described first video interface and described second Video interface all electrically connects described flush bonding processor module by described demultplexer.

3. multimedia player as claimed in claim 2 is it is characterised in that described first video interface and described second video Interface is respectively DVI interface and HDMI.

4. multimedia player as claimed in claim 1 is it is characterised in that described network output module is multichannel.

5. the multimedia player as described in Claims 1-4 any one it is characterised in that also include network PHY chip, Power management chip, USB HUB chip, RJ45 interface, WiFi module interface and mobile communication module interface；Described network PHY Chip, described power management chip and described USB HUB chip all electrically connect described flush bonding processor module, and described embedded Formula processor module, described volatile memory, described nonvolatile memory, described network PHY chip, described power management Chip and described USB HUB chip are arranged on first circuit board；Described RJ45 interface electrically connects described network PHY chip, Described WiFi module interface and described mobile communication module interface all electrically connect described USB HUB chip, and described programmable patrol Volume device, described network output module, described video output interface, described RJ45 interface, described WiFi module interface and described Mobile communication module interface is respectively provided with the second circuit board；Described first circuit board and described second circuit board are in that levels are arranged Row are placed.

6. multimedia player as claimed in claim 5 is it is characterised in that also include being arranged on described second circuit board USB PHY chip, SD card interface and serial port module, described USBPHY chip, described SD card interface and described serial port module are all electric Connect described flush bonding processor module.

7. multimedia player as claimed in claim 5 is it is characterised in that also include being adapted to the video of external video source Input interface, is arranged on described second circuit board and electrically connects described flush bonding processor module.

8. multimedia player as claimed in claim 5 is it is characterised in that also include being suitable to the voicefrequency circuit of external speaker, It is arranged on described second circuit board and electrically connect described flush bonding processor module.

9. multimedia player as claimed in claim 5 is it is characterised in that described WiFi module interface is USB interface, described Mobile communication module interface is PCI-E interface.

10. multimedia player as claimed in claim 1 is it is characterised in that also include demultplexer, described video frequency output Interface electrically connects described flush bonding processor module by described demultplexer, and described flush bonding processor includes ARM process Device, described PLD includes field programmable gate array.