CN101741868A - Multimedia terminal and distributed system - Google Patents
Multimedia terminal and distributed system Download PDFInfo
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- CN101741868A CN101741868A CN200810171854A CN200810171854A CN101741868A CN 101741868 A CN101741868 A CN 101741868A CN 200810171854 A CN200810171854 A CN 200810171854A CN 200810171854 A CN200810171854 A CN 200810171854A CN 101741868 A CN101741868 A CN 101741868A
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Abstract
The invention discloses a multimedia terminal and a distributed system. The multimedia terminal comprises a display, a data acquisition unit and a processor, wherein the data acquisition unit is used for acquiring and transmitting data; and the processor is used for receiving and processing the data sent from the data acquisition unit. The multimedia terminal and the distributed system can be used for information issue and environmental monitoring in public places such as elevators and the like. The multimedia terminal not only comprises the display, but also comprises the processor and the data acquisition unit, can acquire and process the data, thereby providing an extended function and supporting more applications.
Description
Technical field
The present invention relates to the Signal and Information Processing equipment and technology, relate in particular to a kind of multimedia terminal and distributed system.
Background technology
Along with the development of technology and the reduction of cost, the display device or the terminal that are used for public places such as elevator are more and more universal.These display devices or terminal can provide content of multimedia such as advertisement, public information, video.But its single relatively function has limited the scope of its application, has improved the cost of single application.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of multimedia terminal, the function that expansion can also be provided on the basis of high-quality multimedia processing capability more is being provided, thereby is supporting more applications.
The invention provides a kind of multimedia terminal, comprise display; Data acquisition unit is used for image data, sends described data; Processor is used to receive the data from data acquisition unit, and data are handled.
Wherein, this data acquisition unit can be one or more in radio-frequency (RF) identification (RFID) read-write equipment, transducer, camera and the microphone.
Further, this multimedia terminal also comprises solid-state storage disk (Solid Storage Disk, SSD) as safe storage device, this device adopts Redundant Array of Independent Disks (RAID) (RedundantArrays of Independent Disks, RAID) technology is used to store the data that data acquisition unit is gathered.
Further, this multimedia terminal also comprises carrying backup battery, and being used for externally providing electric power for described multimedia terminal under the abnormal electrical power supply situation.
Multimedia terminal provided by the invention except comprising display, also comprises processor and data acquisition unit, can carry out data acquisition and the data of gathering are handled, thereby expanded function can be provided, and support more applications.
The present invention also provides a kind of distributed system, comprises server and multimedia terminal provided by the invention, and distributed system is the peer-to-peer network system.
Further, server and multimedia terminal comprise communication unit respectively, and server is collected data by communication unit to multimedia terminal publication medium information and/or from the multimedia terminal.
Further, server and multimedia terminal comprise memory cell respectively, carry out media information synchronously and/or the inter-terminal data backup by communication unit between the multimedia terminal, between the server, carry out data sync by communication unit between the multimedia terminal or between server and the multimedia terminal.
Description of drawings
Fig. 1 is the structure chart of an embodiment of multimedia terminal of the present invention;
Fig. 2 is the decomposing schematic representation of assembly of an example of multimedia terminal of the present invention;
Fig. 3 is the structure chart of another embodiment of multimedia terminal of the present invention;
Fig. 4 is the schematic diagram of another embodiment of multimedia terminal of the present invention;
Fig. 5 is the schematic diagram that is applied to the safe storage device based on RAID of the present invention;
Fig. 6 is the structure chart of another embodiment of multimedia terminal of the present invention;
Fig. 7 is the structure chart of an embodiment of network distribution type of the present invention system;
Fig. 8 is the system schematic of an embodiment of distributed system of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described, in the accompanying drawings, identical label is indicated same or analogous assembly or element.
Fig. 1 is the structure chart of an embodiment of multimedia terminal of the present invention.As shown in Figure 1, this multimedia terminal comprises display 11, processor 12 and data acquisition unit 13.Wherein, display 11 is used to show information such as advertisement in elevator or the public place and public information.Data acquisition unit 13 is used for the collection of data, and the data of gathering are sent to processor 12.The data that processor 12 receives from data acquisition unit are handled data.It is that the basis is designed and assembled that PC, DSP (digital signal processor), ARM or single-chip microcomputer framework are adopted in the multimedia terminal, and abundant interface is provided, and can greatly improve the flexibility of each parts mutual alternative, can satisfy the requirement of difference in functionality.Software can change flexibly according to hardware requirement, improves the software compatibility, and reduces the software design difficulty.The application examples that is used for elevator in the multimedia terminal, data acquisition unit 13 can comprise environment monitoring device and elevator operational monitoring device, is respectively applied for elevator operational monitoring indexs such as environmental monitoring indexs such as collecting temperature, humidity, smog, noise and elevator speed, acceleration, supporting power, energy.Environment monitoring device and elevator operational monitoring device can be realized by corresponding sensor.
According to an embodiment of multimedia terminal of the present invention, this multimedia terminal has inside and carries reserve battery, and externally the multimedia terminal provides electric power under the abnormal electrical power supply situation.Like this,, do not influence outside the performance of normal function, can also monitor in real time situation and environment, provide foundation solving corresponding problem in conjunction with associated components except allowing equipment work on.
The multimedia terminal adopts USB as the external equipment expansion interface, is used to connect external equipment or communication.USB interface has obtained general approval and popularization as industry standard is in the field of business, and as the connection standard, the standard peripheral interface is conveniently changed to realize different function requirements greatly with USB interface.USB 2.0 interface transmission speeds can reach 480Mbps, can satisfy the requirement of most equipment; And support on the existing market that the device category of USB interface is various, multiple functional, can satisfy the requirement of functional diversity fully.Use ripe interface standard and definition, also can corresponding saving development cost and time.In addition, parallel by having realized multiple USB device, application by corresponding component, solve the parallel bandwidth of multiple USB flow device and tie up problem, multiple USB flow device can be used simultaneously, and can carry out external world control simultaneously by the external equipment of USB interface, equipment is debugged or upgraded.SATA (serial ATA) interface also can be adopted in the multimedia terminal, the SD/MMC interface, and the CF interface, the RS232 interface, RS485 interface etc. are as the external equipment expansion interface.
It is pointed out that above-mentioned data acquisition equipment can be one or more in RFID read-write equipment, transducer, camera and the microphone.Smart card has the management of convenience, safety, flexible characteristic as existing widely used management equipment and means.By built-in intelligence card read-write equipment, obtain the people's who holds smart card identity information, carry out authentication and record.Can in the zone that this kind kind equipment covers, provide rwan management solution RWAN in conjunction with distributed data base in addition, integrate and software application, all provide corresponding facility to the manager and by the manager by equipment.Transducer can be multiple sensors such as temperature, humidity, acceleration, vibrations, noise, air pressure.Carry out the external environment condition monitoring by built-in sensors, related public information can be provided in real time, for the abundant information flow, the monitoring real time environment is offered help.Can monitor real-time condition by built-in camera and microphone, can be applicable to elevator monitoring management and other occasions that need monitor in real time,, can obtain abundanter Monitoring Data by further processing (pattern recognition) to digital video.
Fig. 2 is the decomposing schematic representation of assembly of an example of multimedia terminal of the present invention.As shown in Figure 2, this multimedia terminal comprise display 21, processor 22, carry stand-by power source 23, hard disk 24, microphone 25 and keypad (keypad) 26.Wherein, display 21 links to each other with mainboard by VGA (Video Graphics Array) interface, and hard disk 24 links to each other with mainboard by the SATA data-interface, and microphone 25 links to each other with mainboard by USB interface with keypad 26.
Fig. 3 is the structure chart of another embodiment of multimedia terminal of the present invention.As shown in Figure 3, this multimedia terminal comprises display 11, processor 12, data acquisition unit 13 and memory cell 34.Wherein, display 11, processor 12 and data acquisition unit 13 can be referring to the descriptions of Fig. 1, for being not described in detail at this for purpose of brevity.Memory cell 34 is used to store the data that data acquisition unit 13 is gathered.
Fig. 4 is the schematic diagram of another embodiment of multimedia terminal of the present invention.As shown in Figure 4, this multimedia terminal 40 comprises data acquisition system 41, memory cell 42, communication unit 43, power management 44, analytic unit 45 and multimedia decoding unit 46.Wherein, data acquisition system 41 is used for environmental monitoring indexs such as collecting temperature, humidity, noise, smog, can also be used for elevator operational monitoring indexs such as picking rate, acceleration, load-bearing, energy.Memory cell 42 is used to store the data that data acquisition system 41 is gathered; Analytic unit 45 is used to analyze the data that data acquisition system 41 is gathered, and responds according to analysis result.Can send fire alarm when for example temperature or smog surpass predetermined presetting, can point out the user to withdraw from etc. when load-bearing is overweight.Communication unit 43 is used for communicating with other-end or server.For example the data that data acquisition system 41 is gathered send to other-end or server is stored; Perhaps accept storage in memory cell 42 from other-end or server; Perhaps from server receiving media information, after decoding by multimedia decoding unit 46, by display (not shown among Fig. 4) to user's display media.
According to a preferred embodiment of the present invention, said memory cells is based on the safe storage device of RAID.The RAID configuration level of this safe storage device (for example can adopt RAIDx, RAID 1,2,5), storage medium can adopt waterproof SD card (Secure DigitalMemory Card), the RAID controller adopts FPGA to write voluntarily, and adopts standard disk communication interface (SATA/IDE) with main frame.Fig. 5 is the schematic diagram that is applied to the safe storage device based on RAID of the present invention.In Fig. 5, form by 4 hard disks based on the safe storage device of RAID.Wherein, Dx represent the data of storing, Px represent the parity information of Dx (x=1,2 ..., 11).As can be seen from Figure, RAID 5 does not back up the data of storage, but data and corresponding parity information are stored on each disk of forming RAID 5, and parity information is stored in respectively on the different disks with corresponding data.After the data in magnetic disk of RAID 5 is damaged, utilize remaining data and corresponding parity information to go to recover impaired data.Adopt the RAID technology to be used for storage system, can provide disk to cross over function by a plurality of disks being organized together as a logical volume, be written in parallel to/read the speed that a plurality of disks can improve the visit disk by data being divided into a plurality of data blocks (Block), and can provide fault-tolerant ability by mirror image or verification operation.The memory cell of multimedia terminal of the present invention adopts solid storage medium, has abandoned traditional mechanical hard disk.Since there has not been mechanical part, can be so that system possesses very high anti-vibration ability.Adopt RAID technical management storage medium, when improving memory reliability, also can provide memory property more efficiently, promoted the data write ability significantly, expanded data bandwidth, make the data that multiple external parameter is gathered simultaneously effectively to preserve, can be because of the performance bottleneck of memory cell obliterated data.
Fig. 6 is the structure chart of another embodiment of multimedia terminal of the present invention.As shown in Figure 6, this multimedia terminal comprises hard core control module 60, network management module 611, display module 612, sound program recording module 613, video recording module 614, media releasing module 615, data backup module 616, acceleration analysis module 617, energy monitoring module 618, power module 619, elevator interface module 620, elevator maintain and protection module 621, human body detection module 622, detection module 623, GPS locating module 624, temperature monitoring module 625.Wherein, each links to each other hard core control module 60 and other modules, is used for management and controls other modules.Media releasing module 611 can adopt special DSP to carry out the hardware level encoding and decoding, has reduced software codec like this to the great burden that processor brings, and makes processing can go out the time free time with other software of better operation.Network management module 611 is supported wired ethernet network and the WiFi wireless network of 10/100MB.In the environment that can use wired ethernet network, will be very simple and cheap with the multimedia terminal access network.In the environment that can not use cable network, equally can be by for example WiFi wireless network etc. with the multimedia terminal access network, and also the cost that rises also is very limited.Build up complete distributed system by Peer-To-Peer (point-to-point) network protocol suite between the multimedia terminal, realize shared, the data backup of content of multimedia, active balance under the Client/Server structure contents processing share and data backup brings load of server, efficiency of managing is provided.
Multimedia terminal provided by the invention except comprising display, also comprises processor and data acquisition unit, can carry out data acquisition and the data of gathering are handled, thereby expanded function can be provided, and support more applications.
Wired and/or communication, building network distributed system can be passed through in multimedia terminal of the present invention.This network distribution type system includes but not limited to client/server (Client/Server) system, peer-to-peer network (Peer-to-Peer) system.
Fig. 7 is the structure chart of an embodiment of network distribution type of the present invention system.This distributed system is the P2P system.As shown in Figure 7, this distributed system can also comprise server 70 except comprising multimedia terminal (or intelligent terminal) 71.Comprise between each node of server 70 and multimedia terminal 71 and can (for example, WiFi) wait and communicate by wired mode or wireless mode.The P2P system has the characteristics of following several aspects:
(1) decentralization: resource in the network and service are dispersed on all nodes, and the realization of transmission of Information and service is all directly carried out between node, can need not the intervention of intermediate link and server, have avoided possible bottleneck.The decentralization basic characteristics of P2P have been brought its advantage at aspects such as extensibility, robustnesses.
(2) extensibility: in the P2P network, along with user's adding, not only Fu Wu increase in demand, the resource of entire system and service ability are also synchronously expanding, and can satisfy user's needs all the time with comparalive ease.In theory its extensibility almost can think unlimited.For example: tradition is by the File Transfer Protocol file in download, and after downloading user's increase, it is more and more slower that speed of download can become, yet the P2P network is just in time opposite, and the user of adding is many more, and the resource that provides in the P2P network is just many more, and the speed of download is fast more on the contrary.
(3) robustness: the P2P framework innately has anti-attack, high fault-tolerant advantage.Carry out because service is dispersed between each node, part node or network are destroyed the influence of other parts very little.The P2P network generally can be adjusted whole topology automatically when the part node fails, keep the connectedness of other nodes.The P2P network all is to set up in the mode of self-organizing usually, and allows node freely to add and leave.
(4) high performance-price ratio: performance advantage is that P2P is by a major reason of extensive concern.Along with the development of hardware technology, the calculating of personal computer and performances such as the storage capacity and the network bandwidth grow at top speed according to the mole theorem.Adopt the P2P framework can effectively utilize a large amount of common node of scattering in the Internet, calculation task or data on file are distributed on all nodes.Utilize wherein idle computing capability or memory space, reach the purpose of high-performance calculation and mass memory.At present, P2P application in this respect is many aspect academic research, in case technology maturation can be promoted at industrial circle, then can save the cost of buying large server for many enterprises.
(5) secret protection: in the P2P network, carry out between each node need not through certain concentrated link owing to transmission of Information is dispersed in, the possibility that user's privacy information is eavesdropped and leaked is dwindled greatly.In addition, solve the technical method that the Internet privacy concern mainly adopts relaying to transmit at present, thereby the participant of communication is hidden among numerous network entities.In some traditional anonymous communication system, realize that this mechanism depends on some Relay Server node.And in P2P, all participants can provide the function of relaying forwarding, thereby have improved the flexibility and the reliability of anonymous communication greatly, can provide better secret protection for the user.
(6) load balancing: under the P2P network environment since each node be server be again client computer, reduced requirement to traditional C/S structure server computational power, storage capacity, simultaneously because resource distribution at a plurality of nodes, has realized the load balancing of whole network better.
Fig. 8 is the system schematic of an embodiment of distributed system of the present invention.As shown in Figure 8, this distributed system comprises intelligent terminal (multimedia server) 81 and server 82.Wherein, each intelligent terminal 81 and each server 82 all comprise memory cell and communication unit.In addition, some or all of intelligent terminal 81 can also comprise data acquisition system, is used for elevator operational monitoring indexs such as environmental monitoring indexs such as collecting temperature, humidity, noise, smog and/or speed, acceleration, load-bearing, energy.Server 82 and intelligent terminal 81 communicate by communication unit, carry out the media information issue to intelligent terminal 81, and/or collect critical datas from intelligent terminal 81.Communicate by communication unit between the intelligent terminal 81, carry out the backup of terminal media information synchronization and/or inter-terminal data.Carry out data sync by communication unit between the server 82.
By distributed system of the present invention and multimedia terminal, can carry out file content share and share in download, back-up storage zone, instant messaging and distributed data acquisition etc.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (10)
1. a multimedia terminal comprises display, it is characterized in that, also comprises:
Data acquisition unit is used for image data, sends described data;
Processor is used to receive the data from described data acquisition unit, and described data are handled.
2. multimedia terminal according to claim 1 is characterized in that, also comprises:
The solid-state storage disk, described solid-state storage disk adopts Redundant Array of Independent Disks (RAID), is used to store the data that described data acquisition unit is gathered.
3. multimedia terminal according to claim 2 is characterized in that, also comprises:
Carry reserve battery, be used for externally providing electric power for described multimedia terminal under the abnormal electrical power supply situation.
4. according to any described multimedia terminal in the claim 1 to 3, it is characterized in that, also comprise:
USB interface, SATA interface, SD/MMC interface, CF interface, RS232 interface, the one or more expansion interfaces that are used for external equipment in the RS485 interface.
5. multimedia terminal according to claim 1 and 2 is characterized in that, described data acquisition unit is one or more in radio frequency identification read-write device, transducer, camera and the microphone.
6. multimedia terminal according to claim 5 is characterized in that, described transducer is one or more in temperature, humidity, acceleration, vibrations, noise and the baroceptor.
7. a distributed system is characterized in that, comprises server and according to any described multimedia terminal in the claim 1 to 3, described distributed system is the peer-to-peer network system.
8. distributed system according to claim 7, it is characterized in that described server and multimedia terminal comprise communication unit respectively, described server is collected data by communication unit to described multimedia terminal publication medium information and/or from described multimedia terminal.
9. distributed system according to claim 7 is characterized in that described server and multimedia terminal comprise memory cell respectively, carries out the synchronous and/or inter-terminal data backup of media information by communication unit between the described multimedia terminal.
10. distributed system according to claim 8 is characterized in that, between the described server, carry out data sync by communication unit between the multimedia terminal or between server and the multimedia terminal.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176766A (en) * | 2010-12-29 | 2011-09-07 | 上海华勤通讯技术有限公司 | System and method for detecting space sound field sound effect |
| CN102377859A (en) * | 2010-08-09 | 2012-03-14 | 厦门中卡科技开发有限公司 | Mobile phone one-card multimedia terminal composite structure and application method thereof |
| CN102457369A (en) * | 2010-10-29 | 2012-05-16 | 天津成科传动机电技术股份有限公司 | On-site display command system |
| CN102583122A (en) * | 2012-02-24 | 2012-07-18 | 山西中特物联科技股份有限公司 | Intelligent elevator rescue monitoring and awesome media platform |
| CN102760126A (en) * | 2011-04-26 | 2012-10-31 | 阿里巴巴集团控股有限公司 | Data synchronization method in distributive system, and distributive system |
| CN104133887A (en) * | 2014-07-30 | 2014-11-05 | 渤海大学 | Multimedia network teaching mode terminal |
| CN105608523A (en) * | 2015-12-09 | 2016-05-25 | 浙江工商大学 | Enterprise information mobile data acquisition system |
| CN110677165A (en) * | 2019-06-20 | 2020-01-10 | 湖北海纳天鹰科技发展有限公司 | Comprehensive information terminal for environmental monitoring field quality control |
| CN112707261A (en) * | 2019-10-25 | 2021-04-27 | 北京夜谱科技有限公司 | Elevator broadcasting advertisement system |
-
2008
- 2008-11-14 CN CN200810171854A patent/CN101741868A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377859A (en) * | 2010-08-09 | 2012-03-14 | 厦门中卡科技开发有限公司 | Mobile phone one-card multimedia terminal composite structure and application method thereof |
| CN102457369A (en) * | 2010-10-29 | 2012-05-16 | 天津成科传动机电技术股份有限公司 | On-site display command system |
| CN102176766A (en) * | 2010-12-29 | 2011-09-07 | 上海华勤通讯技术有限公司 | System and method for detecting space sound field sound effect |
| CN102760126A (en) * | 2011-04-26 | 2012-10-31 | 阿里巴巴集团控股有限公司 | Data synchronization method in distributive system, and distributive system |
| CN102760126B (en) * | 2011-04-26 | 2015-04-01 | 阿里巴巴集团控股有限公司 | Data synchronization method in distributive system, and distributive system |
| CN102583122A (en) * | 2012-02-24 | 2012-07-18 | 山西中特物联科技股份有限公司 | Intelligent elevator rescue monitoring and awesome media platform |
| CN104133887A (en) * | 2014-07-30 | 2014-11-05 | 渤海大学 | Multimedia network teaching mode terminal |
| CN105608523A (en) * | 2015-12-09 | 2016-05-25 | 浙江工商大学 | Enterprise information mobile data acquisition system |
| CN110677165A (en) * | 2019-06-20 | 2020-01-10 | 湖北海纳天鹰科技发展有限公司 | Comprehensive information terminal for environmental monitoring field quality control |
| CN112707261A (en) * | 2019-10-25 | 2021-04-27 | 北京夜谱科技有限公司 | Elevator broadcasting advertisement system |
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Open date: 20100616 |