CN2849821Y - Aircraft seat multimedia playback I/O interface device - Google Patents

Abstract

An aircraft seat multimedia player I/O interface device, comprising: a player data bus and a player I/O interface connected to the multimedia player of the airplane seat; the microprocessor is connected with the player data bus and the player I/O interface and forms bidirectional data connection with the multimedia player of the airplane seat; the memory unit is connected with the microprocessor and provides the functions of microprocessor program and data temporary storage; the USB OTG controller is connected with the microprocessor and the USB interface multimedia device, and uploads the data of the USB interface multimedia device to the multimedia player of the airplane seat through the microprocessor for playing; the buffer is connected with the microprocessor and the USB OTG controller and provides a data buffering and temporary storage function; the multimedia memory card device is connected with the buffer, the microprocessor and the flash memory card, and uploads flash memory card data to the multimedia player of the airplane seat for playing, or enables the flash memory card data and the data between the USB interface multimedia device to be mutually transmitted in a bidirectional way and downloaded and stored.

Description

Aircraft seat multimedia playback I/O interface device

1. Technical field

The utility model relates to an aircraft seat multimedia playing I/O interface device, in particular to an I/O interface device applied to an aircraft seat image or sound media player, and capable of uploading media data to play or providing media data transmission and storage.

2. Background technology

Aircraft is one of the most convenient means of transportation across human space barriers, especially across continents or multi-national borders in a short period of time, making aircraft play a very important role in passenger transportation. However, in order to provide passengers with long-distance flights to kill the boring time, many advanced passenger aircraft interior seats provide individual video and audio playback equipment, so that passengers can enjoy audio-visual multimedia visual and audio entertainment during long-distance flights. .

Existing aircraft seat audio-visual playback equipment can only provide the image or audio media playback function prepared in advance by airlines. For passengers, they can only enjoy monotonous and fixed audio-visual media without the right to choose media playback independently; During travel, use multimedia devices such as digital cameras, MP3 players, pen drives, recording pens, etc. to store video or audio data. If you want to store or play operations on the plane, because aircraft laws have generally stipulated that you are not allowed to use mobile phones or Under the conditions of notebook computers and other equipment, it is really a big regret that the real-time playback or conversion of media data such as tourism images or sounds cannot be performed on the plane. Over equipped with frills and no real value for multimedia enjoyment.

3. Contents of utility model

The main purpose of the utility model is to overcome the above-mentioned shortcomings existing in the existing products, and provide a multimedia playback I/O interface device for aircraft seats, which includes a player data bus, a player I/O interface, a microprocessor, and a memory unit, USB OTG controller, buffer, multimedia storage card interface; the player data bus and player I/O interface are connected to an aircraft seat multimedia player, and the aircraft seat multimedia player is image or sound The media player, the microprocessor controls the input and storage of the media data of the player, and the USB OTG controller, the buffer and the multimedia storage card interface jointly form a USB data transmission and connection interface, through the USB OTG controller And multimedia memory card interface and respectively connect a USB connector and card reader interface, for external connection USB interface type multimedia video or sound storage device and flash memory card or flash memory components, to upload multimedia video or sound data Play in the multimedia player of the aircraft seat or provide at least one USB storage device and flash memory card for mutual data transmission and storage through the USB connector and the card reader interface, forming a multi-media audio-visual data upload and playback and multimedia audio-visual data mutual exchange Transmission and storage of aircraft seat multimedia playback I/O interface device; it can cooperate with digital media devices in the form of USB interfaces such as MP3 players, flash drives, digital cameras, recording pens, etc. The image or sound playback data source of the chair audio-visual media player, or the image, sound or data media between MP3 players, flash drives, digital cameras, recording pens, etc. USB interface forms of digital media devices and flash memory cards mutual transmission and storage.

The purpose of this utility model is achieved by the following technical solutions. The utility model aircraft seat multimedia player I/O interface device is characterized in that it comprises: a player data bus, which is a data bus connected to an aircraft seat multimedia player; a player I/O The interface is to be connected to the I/O interface of an aircraft seat multimedia player; a microprocessor is connected to the player data bus and the player I/O interface, through which the player data bus, the player I/O Interface to form a two-way data connection with the aircraft seat multimedia player; (the microprocessor also has data format conversion, data upload or download storage control functions;) a memory unit, connected to the microprocessor, provides the program of the microprocessor, Temporary data storage; a USB OTG controller, connected to the microprocessor, and externally connected to a USB interface multimedia device, uploading the data of the USB interface multimedia device to the aircraft seat multimedia player through the microprocessor; a buffer, connected to Microprocessor and USB OTG controller provide (a large amount of) data buffer temporarily; A multimedia storage card device is connected to the buffer and the microprocessor, and at least one flash memory card is externally connected, and the data of the flash memory card is passed through The microprocessor uploads to the aircraft seat multimedia player to play, or through the buffer, USB OTG controller and microprocessor, the data of the flash memory card and the data of the USB interface multimedia device connected to the USB OTG controller are exchanged. Carry out two-way transmission and download storage.

In the aforementioned aircraft seat multimedia playing I/O interface device, the microprocessor is connected with a keyboard.

In the aforementioned aircraft seat multimedia playback I/O interface device, the microprocessor is connected to a two-wire serial transmission interface, a three-wire serial transmission interface and a general-purpose asynchronous transceiver.

In the aforementioned aircraft seat multimedia playback I/O interface device, the microprocessor is connected to a NANDFLASH interface and an IDE interface.

The aforementioned aircraft seat multimedia playback I/O interface device, wherein the NAND FLASH interface is connected to a NAND FLASH storage element.

In the aforementioned aircraft seat multimedia playback I/O interface device, a hard disk is connected to the IDE interface.

In the aforementioned aircraft seat multimedia playback I/O interface device, the memory unit is a synchronous dynamic random access memory.

The aforementioned aircraft seat multimedia playback I/O interface device, wherein the USB OTG controller is connected to a USB connector, and the USB connector is connected to the USB interface multimedia device.

In the aforementioned aircraft seat multimedia playback I/O interface device, the multimedia storage card interface is externally connected to a card interface, and the card interface is connected to a flash memory card.

The beneficial technical effect of the aircraft seat multimedia playback I/O interface device of the present invention is to improve the shortcomings and problems of the one-way monotonous audio-visual media playback and single-function operation of the existing aircraft audio-visual media player, especially the utility model can Cooperate with digital media devices in the form of MP3 players, flash drives, digital cameras, recording pens, etc. carried by passengers to upload video and audio playback data for use as the source of video or sound playback data for the audio-visual media player on the aircraft seat, or use MP3 Video, sound or data media between digital media devices in the form of USB interfaces such as players, flash drives, digital cameras, voice recorders and flash memory cards are mutually transmitted and stored.

4. Description of drawings

Fig. 1 is a block circuit diagram of the first embodiment of the utility model.

Fig. 2 is a block circuit diagram of the second embodiment of the utility model.

Fig. 3 is a diagram of a preferred application example of the utility model.

FIG. 4 is an enlarged view of the partial structure shown in FIG. 3 .

Explanation of symbols in the figure: 100 aircraft seat multimedia playback I/O interface device, 10 player data bus, 20 player I/O interface, 30 microprocessor, 31 keyboard, 32 two-wire serial transmission interface, 33 three-wire serial transmission interface, 34 universal asynchronous transceiver, 40 memory unit, 50 for USB OTG controller, 51 for USB connector, 60 buffer, 70 multimedia memory card interface, 71 card interface, 80 for NAND FLASH interface, 90 is IDE interface, 200 is aircraft seat multimedia player, 210 is data bus, 220 is I/O interface, 230 is playing module, 31 is playing screen, 240 is controller, 41 is LCD control panel, 250 is two-wire serial transmission Interface, 260 three-wire serial transmission interface, 270 universal asynchronous transceiver, 300 USB interface multimedia device, 400 flash memory card, 500 NANDFLASH storage element, 600 hard disk, 700 aircraft seat, 710 armrest, 720 seat back .

5. Specific implementation

Referring to shown in Fig. 1, it is the first embodiment of the aircraft seat multimedia playback I/O interface device 100 of the present utility model, and the aircraft seat multimedia playback I/O interface device 100 includes a player data bus 10, a playback Device I/O interface 20, microprocessor 30, memory unit 40, USB OTG controller 50, buffer 60 and multimedia storage card interface (MHE) 70; Wherein, this player data bus 10 and player I/O The interface 20 is correspondingly connected to a data bus 210 and the I/O interface 220 of an aircraft seat multimedia player 200. The form of the aircraft seat multimedia player 200 is not limited. In the present invention, a DVD player For example, other such as VCD player or tape player also belong to the application category of the present utility model.

The above-mentioned aircraft seat multimedia player 200 has a playback module 230 and a controller 240, through which the controller 240 inputs control commands to the playback module 230 to control the playback of DVD media, the data bus 210 and I/O The interface 220 is connected to the controller 240, and the controller is connected to the data bus 210 and the I/O interface 220 to control the output or input of data by the controller 240; the controller 240 is connected to the data bus 210 and the I/O interface. The control mode of 220, the control mode of the controller 240 on the playback module 230 and the circuit connection structure belong to the prior art, and will not be described in detail.

The above-mentioned player data bus 10 and player I/O interface 20 are connected through the data bus 210 and the I/O interface 220 to perform bidirectional data connection with the controller 240 of the aircraft seat multimedia player 200 .

The microprocessor 30 has media data transmission and storage control functions, and the format conversion, transmission and storage control programs of media data are burned inside. The microprocessor 30 is connected to the player data bus 10 and the player I/O interface 20, The data is uploaded from the player data bus 10 and the player I/O interface 20 to the controller 240 of the aircraft seat multimedia player 200 , and then transmitted to the playback module 230 by the controller.

The memory unit 40 is connected to the microprocessor 30 to provide the required data or program temporary storage function of the microprocessor 30. The form of the memory 40 is not limited. In the present invention, synchronous dynamic random access memory (SDRAM) is used as its memory unit. Illustrated example:

Above-mentioned USB OTG controller 50, buffer 60 and multimedia storage card interface 70 are connected in series from top to bottom in order to form a USB interface structure, and this USB OTG controller 50, buffer 60 multimedia storage card interface 70 are respectively connected with The microprocessor 30 is connected, and subject to the control action of the microprocessor 30, the USB OTG controller 50 is connected to a USB connector 51, and the USB connector 51 provides a USB interface multimedia device 300 to connect, and the form of the USB interface multimedia device 300 Not limited, for example: digital media devices with USB interface such as MP3 players, flash drives, digital cameras, voice recorders, etc. The above-mentioned USB interface multimedia device 300 can upload video or audio data to the aircraft seat multimedia player 200 through the microprocessor 30, the player data bus 10, and the player I/O interface 20 through the USB OTG controller 50. The module 230 performs playback processing so that the playback module 230 can play the video or audio content stored in the USB interface multimedia device 300 .

The above-mentioned buffer 60 provides a large amount of data buffering function, and the buffer 60 is connected with the interface 70 of the multimedia storage card, so that the interface 70 of the multimedia storage card becomes a card reading interface, and the interface 70 of the multimedia storage card is externally connected with at least one card interface 71 , to provide by means of the card interface 71-the connection card reading function of the flash memory card 400, so that the flash memory card 400 connected to the card interface 71 passes through the multimedia memory card interface 70), the microprocessor 30, the player data bus 10 And the player I/O interface 20 is connected to the playback module 230 of the above-mentioned aircraft seat multimedia player 200, so as to upload the image or sound data stored in the flash memory card 400 to the aircraft seat multimedia player 200 for playback Carry out image or sound playing operation in the module 230; Or pass through paths such as multimedia memory card interface 70, buffer 60, USBOTG controller 50 and microprocessor 30, store in the flash memory card 400 that this will be connected in card interface 71 The data is transmitted to the above-mentioned USB interface multimedia device 300 connected to the USB connector 51 for storage; otherwise, the data stored in the USB interface multimedia device 300 can also be transmitted to the flash memory card 400 for storage, and then achieve The function of two-way data transmission and storage between the USB interface multimedia device 300 and multiple media such as the flash memory card 400 .

Referring to shown in Fig. 2, it is the second embodiment of the aircraft seat multimedia player I/O interface device 100 of the present utility model, wherein, the present utility model is applied to the embodiment of the aircraft seat multimedia player 200 of different transmission interface types , the aircraft seat multimedia player 200 has a two-line serial transmission interface 250, a three-line serial transmission interface 260 and a general-purpose asynchronous transceiver 270, which can provide connections in different interface forms. The microprocessor 30 is connected to a keyboard 31, Two-wire serial transmission interface (I2C) 32, three-wire serial transmission interface 33 (SPI), a universal asynchronous transceiver (UART) 34, NAND FLASH interface 80 and IDE interface 90, the keyboard 31 provides input upload playback or Download the stored operation command to the microprocessor 30 to upload the above-mentioned data to the playback module 230 of the aircraft seat multimedia player 200 to play or provide the mutual transmission and download between the USB interface multimedia device 300 and the flash memory card 400 For the storage operation, the keyboard 31 can be set independently or combined in the controller 240 of the above-mentioned aircraft seat multimedia player 200 .

The two-wire serial transmission interface 32, the three-wire serial transmission interface 33 and a general-purpose asynchronous transceiver 34 in the above-mentioned Fig. 2 can form different serial data formats and transmission functions of the interface, so that the aircraft seat multimedia of the present utility model The playback I/O interface device 100 can be used in aircraft seat multimedia players 200 with different interface forms.

The above-mentioned NAN0 FLASH interface 80 and IDE interface 90 respectively provide a NAND FIASH storage element 500 and a hard disk 600 to connect to the USB interface multimedia device 300 connected to the USB connector 51 through the microprocessor 30 and the USB OTG controller 50 The flash memory card 400 connected with the card interface 71 of the multimedia memory card interface 70 carries out two-way data uploading or downloading storage application, for example: the electronic map of GPS is uploaded to the pen drive of USB interface form and is stored, similarly, also can The image or sound stored in the flash memory card 400 connected to the NAND FLASH storage element 500, the hard disk 600 and the card interface 71 is provided through the microprocessor 30, the buffer 60, the multimedia memory card interface 70, and the card interface 71. Data upload or download storage function.

Referring to Fig. 3 and shown in Fig. 4, it is a preferred application example of the aircraft seat multimedia playback I/O interface device 100 of the present utility model, wherein the aircraft seat multimedia playback I/O interface device 100 of the present utility model is embedded in Inside the armrest 710 of an aircraft seat 700, a keyboard 31, a USB connector 50, several card interfaces 71 and an LCD control panel 241 are embedded on the top surface of the armrest 710, and a display screen 231 is located on the aircraft seat 700. On the seat back 720, the keyboard 31 can be used for press operation to control the image or sound data of the above-mentioned USB interface multimedia device 300 and flash memory card 400 to be uploaded to the aircraft seat multimedia player 200 for playback, or to allow the USB interface multimedia device 300 and Two-way data transmission, download and storage operations are performed between the flash memory cards 400 .

The above-mentioned card interface 71 embedded in the top surface of the armrest 710 can provide different forms of flash memory card 400 to be inserted into the card connection, for example: the flash memory card 400 connection of CF form, SD form, SM form, MS form or MMC form, The flash memory card 400 in different forms is used to play or store video or audio data.

The above-mentioned LCD control panel 241 is the display panel of the controller 240 in the aircraft seat multimedia player 200, which can display the media playing operation status of the aircraft seat multimedia player 200; The playback screen 231 of the playback module 230 can play and display images or sounds, and the playback content of the display screen 231 is the aircraft seat multimedia player 200 operated by the user of the next aircraft seat 700 Media playback content.

The USB OTG involved in the embodiment of the utility model refers to Universal Serial Bus On-the-Go; USB is a universal serial bus, and OTG refers to a simplified USB main controller, which can provide limited main control functions. It can directly connect two external devices point-to-point without a computer, but it cannot replace the function of connecting to the network. It is a supplement to the USB standard specification.

The NAND FLASH interface and the NAND FLASH storage element involved in the embodiment of the utility model, wherein the NAND FLASH is a NAND gate flash memory.

The aircraft seat multimedia playback I/O interface device of the present invention shown in above Figs. The new model has any formal restrictions, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (9)

1, a kind of aircraft seat multimedia I/O interface device is characterized in that, comprising: a player data bus is a data bus data that is connected to an aircraft seat multimedia player; One player I/O interface is the I/O interface that is connected to an aircraft seat multimedia player; One microprocessor connects player data bus and player I/O interface, forms two-way data by this player data bus, player I/O interface with the aircraft seat multimedia player and is connected; One memory cell connects microprocessor, provides the program of microprocessor, data to keep in; One USB otg controller connects microprocessor, and externally connects a USB interface multimedia device, the data of USB interface multimedia device is uploaded to the aircraft seat multimedia player through microprocessor plays; One impact damper connects microprocessor and USB otg controller, and the buffering of giving information is temporary; One Multi Media Card device, connect impact damper and microprocessor, and externally connect at least one flash memory cards, the data of flash memory cards is uploaded to the broadcast of aircraft seat multimedia player through microprocessor, or, make the data of flash memory cards and the data that is connected between the USB interface multimedia device of USB otg controller carries out transmitted in both directions and download storing mutually via impact damper, USB otg controller and microprocessor.

2, aircraft seat multimedia I/O interface device according to claim 1 is characterized in that, described microprocessor connects a keyboard.

3, aircraft seat multimedia I/O interface device according to claim 1 is characterized in that, described microprocessor connects TW two wire tandem transmission interface, three-wire type tandem transmission interface and the general asynchronism transceiver of using.

4, aircraft seat multimedia I/O interface device according to claim 1 is characterized in that, described microprocessor connects a NAND FLASH interface and an IDE interface.

5, aircraft seat multimedia I/O interface device according to claim 4 is characterized in that, described NAND FLASH interface connects a NAND FLASH storage unit.

6, aircraft seat multimedia I/O interface device according to claim 5 is characterized in that described IDE interface connects a hard disc.

7, aircraft seat multimedia I/O interface device according to claim 1 is characterized in that described memory cell is a Synchronous Dynamic Random Access Memory.

8, aircraft seat multimedia I/O interface device according to claim 1 is characterized in that, described USB otg controller connects a USB connector, and this USB connector connects USB interface multimedia device.

9, aircraft seat multimedia I/O interface device according to claim 1 is characterized in that, described Multi Media Card interface externally connects a card interface, and this card interface connects flash memory cards.

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