CN202975783U - Remote control management system for multimedia equipment - Google Patents
Remote control management system for multimedia equipment Download PDFInfo
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- CN202975783U CN202975783U CN 201220731975 CN201220731975U CN202975783U CN 202975783 U CN202975783 U CN 202975783U CN 201220731975 CN201220731975 CN 201220731975 CN 201220731975 U CN201220731975 U CN 201220731975U CN 202975783 U CN202975783 U CN 202975783U
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- projector
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Abstract
The utility model relates to a multimedia control system and a method, and particularly relates to a remote control management system for multimedia equipment, and an information acquisition and control method. The system comprises a main control board, a network communication board, and a controllable power supply board, and is characterized by further comprising an image acquisition and processing unit, wherein the image acquisition and processing unit is internally provided with a visible light camera; the image acquisition and processing unit can capture screen images, and carries out analysis on the brightness of a projector and analysis on the motion state of an electric screen. The system also comprises an audio detection unit and current detection units, wherein the audio detection unit is connected onto the main control board via a cable; each current detection unit is internally provided with a photoelectric coupler; the input end of the photoelectric coupler is connected in parallel with a diode; and whether current passes through the motor of the electric screen can be judged according to the output of the photoelectric coupler. On the basis of the device and the method provided by the utility model, remote real-time detection and management on equipment such as projectors, computers, sound boxes and the like in a plurality of classrooms can be realized, and the management workload can be reduced.
Description
Technical field
The present invention relates to a kind of multi-media control system and method, especially a kind of multimedia equipment remote control management system and information acquisition and control method.
Background technology
Become a kind of modernizing teaching equipment of main flow based on the multimedia teaching facility of projector, but due to a lot of classrooms being arranged in same school, in each classroom, multimedia teaching facility is installed, be achieved by looking for one by one of classroom for a plurality of technical attendants of the managerial demand of these equipment, very inconvenient.Therefore the large number quipments in many classrooms is managed concentratedly and just become a new technical matters.Extremely indivedual technical schemes for this problem occurred at present, but these technical schemes all exist defective and deficiency in actual application, can not finely satisfy the demand.the patent No. is that the patent document of ZL200520054457.7 discloses a kind of " remote visible centralized controlled multimedia system ", this system comprises 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 the operation of described multimedia device, described multimedia hub device comprises the multimedia equipment control module of controlling described a plurality of multi-media classroom devices by Ethernet.Although this technical scheme has realized the Long-distance Control of multimedia equipment by the main control system that is connected to Ethernet, do not provide solution for the aspect of being concerned about the most in application such as projector's brightness situation, coat working state of electric screen, sound system duty and the most easily go wrong.As everyone knows, the bulb life of projector is shorter, brightness decay is recurrent situation, the electric screen motor damages, limit switch damages problems such as causing motor idle running and often occurs, computer, audio amplifier go wrong very frequent especially, therefore prior art still relies on personnel's inspection on the spot very much, and management difficulty is large, and cost is high.
Summary of the invention
The object of the present invention is to provide a kind of multimedia equipment remote control management system and information acquisition and control method, can realize that by native system and method the long-distance intelligent that the multimedia equipments such as the projector in a plurality of classrooms, computing machine, stereo set is carried out working condition detects, and carries out comprehensive high efficiency maintenance and management to these equipment on this basis.
For achieving the above object, the technical solution used in the present invention is: a kind of multimedia equipment remote control management system, comprise master control borad, network service plate, controllable power plate, it is characterized by, also comprise an image acquisition and processing unit, its inside comprises a visible image capturing head, and described image acquisition and processing unit can catch screen picture, carries out projector's brightness analysis and the analysis of electric curtain motion state; Described image acquisition and processing unit is connected with master control borad, and described master control borad and network service plate interconnect, and described network service plate is connected to the network; Described master control borad is connected to projector by the specific communication interface of projector, is used for the controlling projection machine and obtains projector status information.
Described multimedia equipment remote control management system also comprises an audio detection unit, and described audio detection unit is connected to master control borad by cable, and it can be positioned near audio amplifier, for detection of the working condition of sound system.
Described multimedia equipment remote control management system also comprises one or more current detecting units (1), each current detecting unit (1) mainly is made of a photoelectrical coupler and a diode, wherein the input end of photoelectrical coupler be in parallel with described diode and conducting polarity opposite, jointly be series in current supply circuit; Especially, described current detecting unit is connected in electronic screen current supply circuit.
Be provided with image acquisition and processing unit, current detecting unit, audio detection unit based on above-described a kind of multimedia equipment remote control management internal system, but how to utilize these parts realize to projector's brightness monitor, how to detect the situation of electronic screen, normally whether whether startup, sound system working properly how judge computing machine by audio detection device, are also the technical issues that need to address.
The present invention discloses a kind of multimedia information acquisition and control method of said system, the method comprises the following steps:
Use the visible image capturing head to catch the image of electronic screen; The controlling projection machine is complete white and catch electronic screen picture; The controlling projection machine is entirely deceived and is caught electronic screen picture; Calculate when the intrinsic brilliance of front projection machine through electronic screen reflection by the poor of two brightness of image values; According to the computational analysis judgement projecting camera light bulb of above-mentioned brightness of image value and the performance condition of electronic screen.
Described multimedia information acquisition and control method also comprise following steps: send the order of putting down or rising electronic screen; Detect lifting curtain current of electric; Gather image; 0.1-10 second is waited in time-delay; Gather again image; Whether differentiate electronic screen at scrolling according to two width image change situations; Repeat above-mentioned steps, electronic screen stops scrolling if find electronic screen electric current is arranged, and sends a warning.
Whether normally described multimedia information acquisition and control method also comprise following steps: sound system is linked in computer audio output, judge the computing machine working condition of startup and sound system according to the output situation of audio frequency detector in the audio detection unit.
beneficial effect of the present invention is: system comprises about electric current due to the multimedia equipment remote control management of the present invention, electronic screen, a plurality of control modules of image and audio frequency, therefore when this device interconnects by Ethernet and multimedia remote control and management platform, can realize a plurality of multimedia equipments in a plurality of classrooms are carried out the real-time remote monitoring of electric current and to the detection of outer audio equipment by native system and method, can also realize simultaneously the remote detection to projector's brightness and projection screen folding and unfolding situation, can save a large amount of manpower and times of detecting on the spot, simultaneously owing to having realized automatic detection, can in time pinpoint the problems, accelerated reaction velocity.
Description of drawings
Fig. 1 is the structural representation of the multimedia equipment remote control management of the present invention system.
Fig. 2 is the schematic diagram of the large electric current of current detecting unit of the present invention when using.
Fig. 3 is the schematic diagram of the little electric current of current detecting unit of the present invention when using.
Fig. 4 is the embodiments of the invention schematic diagram.
In figure: current detecting unit 1, image acquisition and processing unit 2, photoelectrical coupler 3, electronic screen 4, network 5.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
As shown in Figure 1, a kind of multimedia equipment remote control management system, comprise master control borad, network service plate, controllable power plate, current detecting unit 1, in addition, also comprise an image acquisition and processing unit 2, its inside comprises a visible image capturing head, and described visible image capturing head is a CMOS camera, described image acquisition and processing unit 2 can catch screen picture by this camera, carries out projector's brightness analysis and the 4 motion state analyses of electronic screen; Described image acquisition and processing unit 2 is connected with master control borad, and described master control borad and network service plate interconnect, and described network service plate is connected to the network; Described master control borad is connected to projector by the RS232 communication interface, and then controlling projection machine and obtain projector status information, and the user can be by multimedia remote control and management platform control and management projector.Multimedia remote control and management platform is connected to network 5 by server.
Can realize that by following steps projection brightness detects: the camera of image acquisition and processing unit 2 is aimed at screen, the controlling projection machine is launched complete white image also, and make image acquisition and processing unit 2 catch screen pictures, then the controlling projection machine is launched all black picture and is caught screen picture again, above-mentioned two brightness of image values are subtracted each other, calculate when the actual each point brightness of front projection machine through screen reflection according to difference.
Can realize the detection of electric screen motion conditions by following steps: the camera of image acquisition and processing unit 2 is aimed at screen, make it to catch whole screen coverage, gather image; Delay time 0.1-1 second, then gather image, two width images are calculated, if significant change is arranged, electronic screen 4 is moving, otherwise not motion.
Current detecting unit 1 in native system is series in electronic screen current supply circuit.As shown in Figure 3, comprise a photoelectrical coupler 3 in current detecting unit 1, the input end of photoelectrical coupler 3 1N4007 commutation diode in parallel, the input two ends polarity of its polarity and photoelectrical coupler 3 is opposite.Like this when the machine operation of electric screen, there is alternating current to flow through, the electric current of an one direction is by above-mentioned diode, the electric current of another direction is by the input end of photo-coupler 3, will signal be arranged at output terminal like this, thereby can obtain whether having the information of electric current according to the state variation of output terminal.In load hour, can adopt circuit shown in Figure 3, if but bearing power is large, electric current is excessive, and circuit shown in Figure 3 may burn photoelectrical coupler 3, for fear of this situation, can adopt circuit shown in Figure 2, wherein the diode of two series connection is silicon diodes, and its existence has realized clamper to voltage, therefore recycles the input current that a resistance can limit photoelectrical coupler 3.Actual all above-mentioned diodes are all 1N4007.
Further, described current detecting unit 1 can also be connected in the current supply circuit of a plurality of multimedia equipments such as projector, computing machine, the detections of realization to a plurality of multimedia equipment current informations by controllable electric source plate power supply, and then reach the purpose of the remote control management.
The multimedia remote control and management platform that utilization is equipped with application specific software sends the order of putting down or rising electronic screen 4, detects electronic screen electric current by the current detecting unit 1 in native system, and by image acquisition and processing unit collection screen picture; 0.1-10 second is waited in time-delay, then gathers image; Judge that according to two width image change situations whether electronic screen 4 is at scrolling; Repeat above-mentioned steps, electronic screen 4 stops scrolling if find electronic screen electric current is arranged, and sends a warning, and informs multimedia remote control and management platform by network 5, realizes Long-distance Control and management.
For carrying out audio signal sample and analysis, native system is provided with an audio detection unit, and it is made of acoustic pickup, note amplifier, rectification circuit, comparator circuit, and master control borad is linked in the output of comparator circuit.Described audio detection unit is positioned over by power amplifier is connected near the audio amplifier of computing machine, judge according to the output situation of audio detection unit whether computing machine normally starts and the working condition of sound system, if after computer starting, the interior audio frequency detector of certain hour has output, think the computer booting music to be detected, can judge that computer starting is normal, power amplifier and audio amplifier working properly.
Based on the above, described multimedia equipment remote control management system can be installed in a plurality of multi-media classrooms, and managerial personnel can monitor and manage a plurality of multimedia equipments such as the projector in the classroom, computing machine, electronic screens by multimedia remote control and management platform.
Further, can independently configure a dais man-machine interaction panel in multi-media classroom at one as Fig. 4, the intrasystem master control borad of the described multimedia equipment remote control management is connected by the RS232 communication interface with described dais man-machine interaction panel.In this independent classroom, the user can concentrate monitoring and management to the multimedia equipment in this classroom by described dais man-machine interaction panel equally.
Although the present invention with preferred embodiment openly as above; but they and accompanying drawing thereof are not to limit the present invention, anyly are familiar with this skill person, without departing from the spirit and scope of the invention; can make various changes or retouch from working as, equally within protection scope of the present invention.What therefore protection scope of the present invention should be defined with the application's claim protection domain is as the criterion.
Claims (4)
1. multimedia equipment remote control management system, comprise master control borad, network service plate, controllable power plate, it is characterized in that, also comprise an image acquisition and processing unit (2), its inside comprises a visible image capturing head, described image acquisition and processing unit (2) can catch screen picture, carries out projector's brightness analysis and the analysis of electric curtain motion state; Described image acquisition and processing unit (2) is connected with master control borad, and described master control borad and network service plate interconnect, and described network service plate is connected with network (5); Described master control borad is connected to projector by the specific communication interface of projector, is used for the controlling projection machine and obtains projector status information.
2. the multimedia equipment remote control management according to claim 1 system, it is characterized in that, also comprise one or more current detecting units (1), each current detecting unit (1) mainly is made of a photoelectrical coupler (3) and a diode, wherein the input end of photoelectrical coupler (3) be in parallel with described diode and conducting polarity opposite, jointly be series in current supply circuit.
3. the multimedia equipment remote control management according to claim 1 system, is characterized in that, also comprises an audio detection unit, and described audio detection unit is connected to master control borad by cable, and it can be positioned near audio amplifier.
4. the multimedia equipment remote control management according to claim 2 system, is characterized in that, described current detecting unit (1) is connected in electronic screen current supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731975 CN202975783U (en) | 2012-12-27 | 2012-12-27 | Remote control management system for multimedia equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731975 CN202975783U (en) | 2012-12-27 | 2012-12-27 | Remote control management system for multimedia equipment |
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| CN202975783U true CN202975783U (en) | 2013-06-05 |
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| CN 201220731975 Expired - Fee Related CN202975783U (en) | 2012-12-27 | 2012-12-27 | Remote control management system for multimedia equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076776A (en) * | 2012-12-27 | 2013-05-01 | 南京先能光电科技有限公司 | Remote control management system and information acquisition and control method for multimedia equipment |
| CN104019962A (en) * | 2014-06-16 | 2014-09-03 | 南京融教科技有限公司 | Detection method and device for service life of projector |
| CN104635583A (en) * | 2015-01-15 | 2015-05-20 | 西安原创电子科技有限公司 | Intelligent power supply control device |
| CN109063641A (en) * | 2018-08-01 | 2018-12-21 | 浠诲嘲 | Computer checking method |
-
2012
- 2012-12-27 CN CN 201220731975 patent/CN202975783U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076776A (en) * | 2012-12-27 | 2013-05-01 | 南京先能光电科技有限公司 | Remote control management system and information acquisition and control method for multimedia equipment |
| CN104019962A (en) * | 2014-06-16 | 2014-09-03 | 南京融教科技有限公司 | Detection method and device for service life of projector |
| CN104019962B (en) * | 2014-06-16 | 2015-04-08 | 南京融教科技有限公司 | Detection method and device for service life of projector |
| CN104635583A (en) * | 2015-01-15 | 2015-05-20 | 西安原创电子科技有限公司 | Intelligent power supply control device |
| CN109063641A (en) * | 2018-08-01 | 2018-12-21 | 浠诲嘲 | Computer checking method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20141227 |
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| EXPY | Termination of patent right or utility model |