CN201563196U - Video e-network visual information terminal - Google Patents

Video e-network visual information terminal Download PDF

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Publication number
CN201563196U
CN201563196U CN2009200947311U CN200920094731U CN201563196U CN 201563196 U CN201563196 U CN 201563196U CN 2009200947311 U CN2009200947311 U CN 2009200947311U CN 200920094731 U CN200920094731 U CN 200920094731U CN 201563196 U CN201563196 U CN 201563196U
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CN
China
Prior art keywords
module
visual information
arm processor
video
information terminal
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Expired - Fee Related
Application number
CN2009200947311U
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Chinese (zh)
Inventor
宋占伟
张显光
郑传涛
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JILIN DAYUAN ELECTRIC TECHNOLOGY Co Ltd
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JILIN DAYUAN ELECTRIC TECHNOLOGY Co Ltd
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Priority to CN2009200947311U priority Critical patent/CN201563196U/en
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Publication of CN201563196U publication Critical patent/CN201563196U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A video e-network visual information terminal belongs to the mobile communication technology and is used for building convenient informatization environments and network platforms and overcoming shortages that the existing visual interactive products are single in function, independent in distribution and relatively narrow in application range. The video e-network visual information terminal comprises a power supply module, an embedded type ARM processor module, a code memory module, a data memory module, a digital keyboard module, an LCD control module, an LCD display module, an audio drive module, an audio output module, an audio input module, a video acquisition module, a network control module, a serial communication module, a radio frequency card reader module, a USB control module and the like. A connection form includes that the digital keyboard module, the video acquisition module, the audio input module and the radio frequency card reader module are respectively connected with the embedded type ARM processor module, the audio output module and the video output module are respectively connected with the embedded type ARM processor module, the code memory module and the data memory module are connected with the embedded type ARM processor module, and the embedded type ARM processor module is connected with a local area network through a network interface. The video e-network visual information terminal provides a special network interactive product according to different requirements of the public, and realizes product diversification and function diversification.

Description

Video signal e open network visual information terminal
Technical field
The utility model belongs to mobile communication technology, particularly a kind of video signal e open network visual information terminal.
Background technology
At present, many tame famous major companies such as Philip, Samsung, Hitachi, Honeywell etc. are all towards specifically being applied in the mutual product of the corresponding network information of research and development, domestic Huawei, in emerging, MAG, grind major companies such as China, Focus and also carry out the research and development of the research and development (networking telephone, Web conference, media advertisement) of information interaction product dropping into a large amount of manpower and materials.But existing network interaction product still has the following disadvantages: on the one hand, the mutual product function of existing network is comparatively single, as only realizing the networking telephone or Web conference or media advertisement function, can't satisfy the functional requirement of user's diversification, this has brought inconvenience to the user; On the other hand, existing network interaction product category is comparatively single, ensure towards the society, health care, and the mutual product of dedicated network in each field such as community service, this does not meet the development trend of networking, visual, facilitation yet.
Summary of the invention
The purpose of this utility model provides a kind of video signal e open network visual information terminal, be used to set up the convenient information environment and the network platform of aspects such as the interior information interchange of specific fields such as social security, health care, community service, public notification of information, for broad masses of the people and social service agency set up the contact tie of stability and high efficiency, overcome that existing visual mutual product function is single, independent, the narrower situation of the scope of application distribute.
The technical solution adopted in the utility model is: collection embedded ARM processor hardware, built-in Linux software and digitlization TCP/IP third generation network are in one, and in conjunction with the high accuracy PCB of ARM embedded system hardware design and soldering technology, the embedded system customization and the application programming of ARM hardware, the network architecture is selected, building of information management platform, product technology detects, the aspects such as assurance of stable examination validation criteria are optimized design to the logical product of video signal e, the user can pass through peripheral camera, numeric keypad, equipment such as radio frequency card obtain key word information to be retrieved, obtain the information retrieved or inquired by network, and by video display module or speech processing module output.Product property, screen size can customize according to demand.
The utility model comprises power supply module, embedded ARM processor module, code memory FLASH, data storage SDRAM, numeric keypad module, LCD control module, LCD display module, audio driven module, audio frequency output module, audio frequency input module, video acquisition module, network control module, serial communication module, radio-frequency card reader module, USB control module.The annexation of each module is: the embedded ARM processor module is connected with the LCD display module by the LCD control module; The embedded ARM processor module is connected with the audio frequency input module with the audio frequency output module by the audio driven module; Code memory FLASH, data storage SDRAM are mounted on the system bus and embedded ARM processor as memory device; Embedded ARM processor links to each other with Ethernet by network control module; Radio-frequency card reader is connected with embedded ARM processor by serial communication module as input equipment; Numeric keypad links to each other with processor by the I/O mouth as input equipment; Video acquisition module is connected with flush bonding processor by the USB control module; All module all is connected with the power supply module.
The course of work of the present utility model is as follows:
(1) under the video intercom function, the embedded ARM processor module reads key information by the I/O mouth, and to after its decoding, by video output module display video information and by audio frequency output module output information of voice prompt, embedded ARM processor reads the called-number information of input by numeric keypad afterwards, and to its decoding, send call information and set up the network connection via local area network (LAN) by network controller by network, on the one hand, embedded ARM processor is read called party's video and voice messaging by network interface, and to exporting video display module and audio-frequency module to after its decoding, on the other hand, embedded ARM processor reads the video and the voice messaging of main calling party by video acquisition module and audio frequency input module, and its coding back is exported by network interface according to the network address.
(2) having under the radio-frequency card read operation, the radio-frequency card reader module reads the card number and the card internal information of radio-frequency card by the noncontact mode according to fixed protocol, be sent in the embedded ARM processor by serial ports afterwards, after embedded ARM processor is deciphered this information, read useful information by network controller and interface thereof, and it is exported by video output module and audio frequency output module.
(3) when effective button operation only, embedded ARM processor at first digital keys module reads key information, and decipher with pattern definite to it, read relevant information by the network controller module via local area network (LAN) according to determined pattern afterwards, its back of decoding is exported by video output module and audio frequency output module.
The beneficial effects of the utility model are: technically, adopted the third generation built-in network communication technology synchronous with world level; Adopted the embedded system standard card cage with---the ARM9/ARM11 design surface meets the international mainstream design standard to the products-hardware of information interaction and report; Adopted linux system as embedded OS, possessed the passage mode of independent research with complete independent intellectual property right; This utility model product is on the leading domestic level, and price is the 1/3-1/5 of external similar products.The utility model at concrete application (as social security, health care, community service etc.) designed special-purpose network interaction product, and according to user's request, increased product function, product property, screen size can customize according to demand, thereby have satisfied user's needs greatly.
Description of drawings
Fig. 1 is the utility model hardware connection layout;
Fig. 2 is the utility model video software coding flow process.
Fig. 3 is the utility model video software decoding process.
Embodiment
Consult Fig. 1, the embedded ARM processor that video signal e open network visual information terminal adopts, its model is S3C2440; Power supply module model for can be ATX-320WB, code memory FLASH model is S29AL032D; Data storage SDRAM model is IS42S8800; The numeric keypad module is 4 * 4 intersection buttons; The LCD control module is the inner integrated lcd controller of S3C2440; The LCD display module is the TFT display screen; The audio driven module is the inner integrated audio driver of S3C2440; Audio frequency output module model can be Hui Wei S3W; The audio frequency input module is the microphone voice-input device; Video acquisition module is the JPEG camera, and model is JK-2616; The model of network control module is DM9000A; The master control chip model of serial communication module is MAX232CPE; The radio-frequency card reader module is ZLG500B; The model of USB control module is USBN9603.The annexation of each module is: embedded ARM processor S3C2440 is connected with the TFT LCD display by the LCD control module; Embedded ARM processor S3C2440 is connected with microphone with favour prestige S3W by the internal audio frequency driver module; Code memory FLASH is mounted on the system bus as memory device with data storage SDRAM and is connected with S3C2440; S3C2440 links to each other with Ethernet by DM9000A; ZLG500B is connected with S3C2440 by the MAX232CPE serial communication module; 4 * 4 intersection buttons link to each other with S3C2440 by the I/O mouth; Video acquisition module is connected with S3C2440 by the USB control module; All modules all have with the power supply module and are connected.
Consult Fig. 2, the utility model adopts the JPEG encryption algorithm, and wherein the form and aspect conversion mainly is to carry out the conversion of rgb color space to the YCbCr color space, and video acquisition module OV7660 can directly export the view data of YCbCr model.FDCT and IDCT are respectively forward and reverse discrete cosine transform.Image segmentation is divided into 8 * 8 fritter to entire image exactly.What entropy coding mainly adopted is Huffman (Huffman) coding.Because now all displays all adopt rgb value to drive, this just requires earlier it to be carried out the JPEG decoding before display image and obtains the coloured image of YCbCr model, and then converts thereof into rgb value and just can be presented on the screen.The compression process of image is finished by embedded ARM processor S3C2440, and the decompression procedure of image realizes by Visual C++ 6.0 on monitoring client PC platform.
Consult Fig. 3, what the MJPEG video flowing adopted is the method for compression in the frame, and its concrete decompression process is: decompression initialization at first, and the assigned source data are obtained image information then, and reads image data discharges the decompression object at last.

Claims (11)

1. video signal e open network visual information terminal is characterized in that: comprise power supply module, embedded ARM processor module, code memory FLASH, data storage SDRAM, numeric keypad module, LCD control module, LCD display module, audio driven module, audio frequency output module, audio frequency input module, video acquisition module, network control module, serial communication module, USB control module, radio-frequency card reader module; Concrete annexation is that numeric keypad module, video acquisition module, audio frequency input module and radio-frequency card reader module are connected respectively at embedded ARM processor as input equipment, audio frequency output module, video output module are connected with embedded ARM processor respectively as output equipment, code memory FLASH all is connected with embedded ARM processor as memory device with data storage SDRAM, and embedded ARM processor is connected with local area network (LAN) by network interface by network control module.
2. video signal e open network visual information terminal according to claim 1, it is characterized in that: the model of described embedded ARM processor is S3C2440.
3. video signal e open network visual information terminal according to claim 1, it is characterized in that: described radio-frequency card reader module links to each other with embedded ARM processor by serial communication interface.
4. video signal e open network visual information terminal according to claim 3, it is characterized in that: the control chip model of described serial communication interface is MAX232CPE.
5. video signal e open network visual information terminal according to claim 1 is characterized in that: described master control chip model with network control module is DM9000A.
6. video signal e open network visual information terminal according to claim 1 is characterized in that: described audio frequency output module model can be favour prestige S3W.
7. video signal e open network visual information terminal according to claim 1 is characterized in that: the model of described data storage and code memory is the SDRAM of HY57V281620HC and the FLASH of MX29F002NBPC-70.
8. video signal e open network visual information terminal according to claim 1, it is characterized in that: described video acquisition module is camera JK-2616, it links to each other with embedded ARM processor by the USB control module.
9. according to claim 1 or 8 described video signal e open network visual information terminals, it is characterized in that: the model of the USB master controller that the USB control module adopts is USBN9603.
10. according to claim 1 or 3 or 4 or 5 described video signal e open network visual information terminals, it is characterized in that: Ethernet, serial communication, audio frequency output module all leave and extend out interface.
11. video signal e open network visual information terminal according to claim 1, it is characterized in that: described video control module and audio frequency control module are the inside integration module of S3C2440.
CN2009200947311U 2009-11-18 2009-11-18 Video e-network visual information terminal Expired - Fee Related CN201563196U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306237A (en) * 2011-07-13 2012-01-04 东北大学 Internet-based interactive digital media terminal device
CN105373040A (en) * 2015-11-18 2016-03-02 重庆金鑫智慧科技有限公司 Control circuit based on intelligent city applications

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306237A (en) * 2011-07-13 2012-01-04 东北大学 Internet-based interactive digital media terminal device
CN105373040A (en) * 2015-11-18 2016-03-02 重庆金鑫智慧科技有限公司 Control circuit based on intelligent city applications

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100825

Termination date: 20131118

C17 Cessation of patent right