CN2779740Y - Remote visible centralized controlled multimedia system - Google Patents
Remote visible centralized controlled multimedia system Download PDFInfo
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- CN2779740Y CN2779740Y CN 200520054457 CN200520054457U CN2779740Y CN 2779740 Y CN2779740 Y CN 2779740Y CN 200520054457 CN200520054457 CN 200520054457 CN 200520054457 U CN200520054457 U CN 200520054457U CN 2779740 Y CN2779740 Y CN 2779740Y
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Abstract
The utility model relates to a remote visible centralized controlled multimedia system, which comprises a multimedia center device and a plurality of multimedia classroom devices which are positioned at different positions, and the multimedia classroom devices are connected with the multimedia center device through different interfaces respectively. Each multimedia classroom device comprises a control host which is connected with an ethernet, and a multimedia device which is respectively connected with the control host, and a control panel which controls the multimedia device to run. The multimedia center device comprises a control unit of the multimedia device which controls the multimedia classroom devices through the ethernet. The remote visible centralized controlled multimedia system of the utility model improves the management efficiency, the compatibility and the reliability of the multimedia classroom through using the ethernet and a TCP/IP protocol as a main communication interface.
Description
Technical field
The utility model belongs to the local area network applications field, particularly a kind of remote visible multimedia centralized control system.
Background technology
Multi-media classroom is the multiple sophisticated technology modernizing teaching place of a kind of double contemporary sound, light, electrical domain.On the one hand, because plurality of devices is used simultaneously, the switching logic of various device, signal connect, Equipment Control is intricate, on the other hand, along with progressively popularizing of multimedia teaching mode, how efficiently the contradiction of management is more and more outstanding to a large amount of multi-media classrooms, but can solve problems such as the centralized control of these equipment and telemanagement with the computer technology and the network communications technology.
Xian Inst. of Optics and Precision Mechanics, Chinese Academy of Sciences looks into " the audio ﹠ video signal multichannel control desk " of hat China development, and this achievement is the switching that utilizes between logical circuit and electronic switch realization input and output, but each equipment is not had intelligent processing capacity." the BN-90 system controlled by computer language laborating system " of Inst. of Mechanics, CAS's development, this system is the control with microprocessor implementation language teaching equipment.The Chinese patent " multipath audio signal selector " of Shanghai Xue Cheng root application, this patent are to control the system of voice output with sensitive switch and controlling organization are housed, and are not the multimedia teaching control system.The Chinese patent " a kind of Heuristic teaching system with videoplayer " of Li Weigang application, this system realizes common player control and management, can not be applied to other multimedia teaching facility.
In the multimedia central controller, introduce auxiliary equipment such as touch-screen, special-purpose computer and special-purpose communication module etc. more at home and abroad, cost an arm and a leg, operation is comparatively complicated.
Another kind of product is comparatively simple and easy, the Centralized Controller of producing as open-minded electronic trade Co., Ltd, but generally all need area of computer aided to read telecontrol code, and also when misoperation took place, equipment was difficult to recover automatically, needed shutdown to restart.
As mentioned above, existing multi-media classroom mainly is divided into two types: a class is the unit control type, is difficult to realize centralized management; Another kind of is the centralized management of dedicated system, special circuit, is not compatible with network, is difficult to realize monitoring in real time and management.
The utility model content
The purpose of this utility model is, a kind of remote visible multimedia centralized control system is provided, and it is relatively poor to solve existing multi-media classroom compatibility, is difficult to realize concentrating in real time the problem of visual monitor and management.
The technical solution of the utility model is, a kind of remote visible multimedia centralized control system is provided, comprise the multimedia hub device, and a plurality of multi-media classroom devices that are positioned at diverse location and are connected with described multimedia hub device by Ethernet respectively, each multi-media classroom device comprises the main control system that is connected to Ethernet, and the multimedia equipment that is connected with described main control system respectively, control the control panel of described multimedia device operation, described multimedia hub device comprises the control unit of controlling the multimedia equipment of described a plurality of multi-media classroom devices by Ethernet.
In the above-mentioned remote visible multimedia centralized control system, described multi-media classroom device also comprises the picture control equipment that is installed on multi-media classroom and is connected to Ethernet.
In the above-mentioned remote visible multimedia centralized control system, described multimedia device comprises information source and projector.
In the above-mentioned remote visible multimedia centralized control system, described information source comprises at least a or multiple in video tape recorder, video disc player, show stand, portable computer, the desktop computer.
In the above-mentioned remote visible multimedia centralized control system, also comprise a plurality of information query devices that are connected with described multimedia hub by Ethernet.
In the above-mentioned remote visible multimedia centralized control system, the control unit of described multimedia hub device comprises classroom selected cell, projector's control unit and information source control unit.
In the above-mentioned remote visible multimedia centralized control system, the control unit of described multimedia hub device also comprises environment control unit.
Remote visible multimedia centralized control system of the present utility model by using Ethernet and ICP/IP protocol as main communication interfaces, has improved the compatibility and the reliability of multi-media classroom.
Description of drawings
Fig. 1 is the structural representation of remote visible multimedia centralized control system of the present utility model;
Fig. 2 is the structural representation of multi-media classroom device among Fig. 1;
Fig. 3 is the structural representation of multimedia hub device among Fig. 1;
Fig. 4 is the circuit diagram of the processor part of the middle control main frame among Fig. 2;
Fig. 5 is the circuit diagram of the audio frequency and video part of the middle control main frame among Fig. 2;
Fig. 6 is the circuit diagram of the VGA signal section of the middle control main frame among Fig. 2;
Fig. 7 is the circuit diagram of the control panel part of the middle control main frame among Fig. 2.
Embodiment
Ripe day by day along with network and information technology has increasing communication and automation application to form one employing Ethernet and the ICP/IP protocol new trend as main communication interfaces just gradually in recent years in industrial quarters control field.As the centralized control system of modernized multimedia education system, adopting Industrial Ethernet to carry out Long-distance Control also is an inexorable trend with management.
As shown in Figure 1, be the structural representation of remote visible multimedia centralized control system of the present utility model, it comprises multimedia hub device 10, multi-media classroom device 20 and the information query device 30 that is connected respectively to Ethernet 40.
The utility model adopts Industrial Ethernet to substitute dedicated networks such as traditional RS485, CAN as the remote transmission means, mainly be because the intrinsic open architecture may feature of (1) Ethernet, mean and obtain more the support future technically easily, elasticity more just when planning system is such as functions such as integrated IP phone; (2) increasing educational technology equipment manufacturer has released the product of supporting Ethernet interface, and as IP Camera, projector etc., making can be by easily integrated in same application system; (3) Ethernet is ubiquitous in working environment and teaching, provides many to the user and has been familiar with and handy service and application.On the one hand, equipment network central control system generally need not rewiring, has reduced engineering cost; On the other hand, the user has been very familiar to the software relevant with Ethernet, hardware, and personnel's training expenses can reduce greatly, and equipment maintenance cost also can significantly reduce.
Fig. 2 is that the multi-media classroom device gets system block diagram, is made up of middle control main frame 21, picture control device 22, control panel 23, multimedia teaching facility 24 and environmental unit 25.Middle control main frame 21 and picture control equipment 22 are connected respectively to Ethernet 40, control main frame 21 during control panel 23, multimedia teaching facility 24 and environmental unit 25 then are connected to.
Wherein, middle control main frame 21 operates on " Coldfire 32 bit CPUs+Linux RTOS " platform, can realize following function: 5 tunnel inputs of (1) AV signal and 2 tunnel outputs; (2) rgb signal 3 tunnel inputs and 2 tunnel outputs; The output of (3) 6 road controllable electric powers; (4) 6 tunnel infrared coding outputs able to programme, the input of 1 road adaptive learning; (5) host work temperature, Humidity Detection; (6) multiple interfaces such as RS232, RJ45, USB.Should can connect different information source or other multimedia equipments and environmental unit by above-mentioned interface by middle control main frame 21, as digital video showing platform, microphone, video disc player, video tape recorder and computer.Picture control device 22 adopts the full-digital network camera with independent IP address, embedded ICP/IP protocol, need not other servicing units such as computer installation, image pick-up card, compressing card, can independent linked network, low-costly realize IMAQ, compression processing, remote transmission and control; And be convenient to configuration and upgrading separately as required.Therefore control panel 23 is therefrom controlled on the main frame 21 and is separated, and is convenient to install, functions such as remote call-in, network are online, portable interface that it can be realized.
Fig. 4 is the structural representation of multimedia hub device 10 among Fig. 1.Multimedia hub device 10 mainly comprises the control unit 11 that is used for multi-media classroom device 20 is carried out remote monitoring.Control unit 11 specifically comprises classroom selected cell 12, environment control unit 13, projector's control unit 15 and information source control unit 14 etc.
Classroom selected cell 12 is used to select the multi-media classroom device of needs monitoring, 13 of Environment Monitor Unit are used for via the control main frame 21 Long-distance Control environmental units of Ethernet 40 by specific multi-media classroom device 20, as the lifting of screen, the folding of curtain, the volume adjusting of power amplifier etc.Projector's control unit 15 is used for the projector of long-distance controlling multimedia classroom device 20.Information source control unit 14 is used for the switching of information sources such as the video tape recorder, video disc player, show stand, pocket computer, desktop computer of multi-media classroom device 20, thereby carries out remote teaching.
In addition, the unit (not shown) that multimedia hub device 10 also provides power supply switching, network operation, system password modification, user management, checks daily record, class management, infrared sign indicating number are safeguarded etc.
Above-mentioned each unit can be independent hardware device, also can be realized by same hardware device.
Shown in Fig. 4,5,6,7, be respectively the circuit diagram of processor part, audio frequency and video part, VGA signal section and the control panel part of the middle control main frame among Fig. 2.
Claims (7)
1, a kind of remote visible multimedia centralized control system, it is characterized in that, comprise the multimedia hub device, and a plurality of multi-media classroom devices that are positioned at diverse location and are connected with described multimedia hub device by Ethernet respectively, each multi-media classroom device comprises main control system that is connected to Ethernet and the multimedia equipment that is connected with described main control system respectively, controls the control panel of described multimedia device operation, and described multimedia hub device comprises the control unit of controlling the multimedia equipment of described a plurality of multi-media classroom devices by Ethernet.
2, remote visible multimedia centralized control system according to claim 1 is characterized in that, described multi-media classroom device also comprises the picture control equipment that is installed on multi-media classroom and is connected to Ethernet.
3, remote visible multimedia centralized control system according to claim 1 is characterized in that described multimedia device comprises information source and projector.
4, remote visible multimedia centralized control system according to claim 3 is characterized in that, described information source comprises at least a or multiple in video tape recorder, video disc player, show stand, portable computer, the desktop computer.
5, remote visible multimedia centralized control system according to claim 1 is characterized in that, also comprises a plurality of information query devices that are connected with described multimedia hub by Ethernet.
6, remote visible multimedia centralized control system according to claim 1 is characterized in that, the control unit of described multimedia hub device comprises classroom selected cell, projector's control unit and information source control unit.
7, remote visible multimedia centralized control system according to claim 6 is characterized in that, the control unit of described multimedia hub device also comprises the environment control unit of the projection screen in the control multi-media classroom device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520054457 CN2779740Y (en) | 2005-01-28 | 2005-01-28 | Remote visible centralized controlled multimedia system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520054457 CN2779740Y (en) | 2005-01-28 | 2005-01-28 | Remote visible centralized controlled multimedia system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779740Y true CN2779740Y (en) | 2006-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200520054457 Expired - Fee Related CN2779740Y (en) | 2005-01-28 | 2005-01-28 | Remote visible centralized controlled multimedia system |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577727A (en) * | 2008-05-06 | 2009-11-11 | 上海旗胜电器有限公司 | Method for monitoring and setting digital network broadcasting management systems through local area network |
| CN101834839A (en) * | 2009-03-10 | 2010-09-15 | 株式会社日立制作所 | Communication device system and card-type device |
| CN103163857A (en) * | 2012-12-05 | 2013-06-19 | 江苏清投视讯科技有限公司 | What you see is what you get (WYSIWYG) multi-media central controller |
-
2005
- 2005-01-28 CN CN 200520054457 patent/CN2779740Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577727A (en) * | 2008-05-06 | 2009-11-11 | 上海旗胜电器有限公司 | Method for monitoring and setting digital network broadcasting management systems through local area network |
| CN101834839A (en) * | 2009-03-10 | 2010-09-15 | 株式会社日立制作所 | Communication device system and card-type device |
| CN101834839B (en) * | 2009-03-10 | 2013-08-07 | 株式会社日立制作所 | Communication device system and card-type device |
| CN103163857A (en) * | 2012-12-05 | 2013-06-19 | 江苏清投视讯科技有限公司 | What you see is what you get (WYSIWYG) multi-media central controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060510 |