CN103217916A - Multimedia equipment control system - Google Patents
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Abstract
The invention discloses a multimedia equipment control system. The control system comprises a main control device (1) for receiving and processing a control signal transmitted by a process controller (4), and controlled terminals (2) connected with multimedia equipment (3). The main control device (1) is connected with the plurality of controlled terminals (2) by a power line; the control signal processed by the main control device (1) is transmitted to the plurality of controlled terminals (2) in a power line carrier communication manner; and each controlled terminal (2) receives and identifies the control signal which belongs to the controlled terminal and transmits the control signal to the multimedia equipment (3) connected to the controlled terminal (2). By utilizing wireless communication and power line carrier communication techniques, the multimedia equipment control system disclosed by the invention realizes wirelessness, convenience in installation and low cost of the control system.
Description
Technical field
The present invention relates to a kind of multimedia equipment control system, relate in particular to a kind of system that utilizes radio communication and power-line carrier communication various multimedia equipments to be carried out Based Intelligent Control.
Background technology
Along with the continuous progress of science and technology, intellectuality becomes people and constantly pursues.Present existing multimedia equipment control system mainly is to be made of user interface, central main control system, controlled plant three parts, adopts communication modes such as RS232, RS485, infrared, network usually.
Wherein, user interface mainly is to utilize button or telepilot that central controller is carried out signal controlling, and central main control system is by all kinds of control interface control controlled plants, and what adopt usually is that the mode of setting up network is controlled controlled plant.Though this kind mode has realized certain intellectuality, but limited user's operating space greatly by the button mode, and central main control system depends on network to the control of all kinds of controlled plants, the work such as set up of network is wasted time and energy especially, and the position of controlled plant is subjected to great restriction.
For example in the time need carrying out integrated control, at first huge master control set need be set in exhibition room to the various multimedia equipments in the exhibition room, and the order wire of laying many master control set and various multimedia equipments, expend huge and poor effect.In addition, when needs are reconstructed exhibition room, can face the problem of these master control sets of dismounting and order wire again, rearranging of exhibition room caused many inconvenience.
Summary of the invention
The object of the present invention is to provide a kind of intelligence control system of controlling wireless penetration, the multimedia equipment of facilitation, with low costization being installed.
For achieving the above object, the concrete technical scheme of multimedia equipment control system employing of the present invention is:
A kind of multimedia equipment control system is characterized in that, comprising: master control set, the control signal that reception and processing controller send; Controlled terminal links to each other with multimedia equipment; Master control set is connected by line of electric force with a plurality of controlled terminals, control signal after master control set is handled is sent to a plurality of controlled terminals by the mode of power line carrier communication, each controlled terminal receives, discerns one's own control signal, and this control signal is transferred to the multimedia equipment that links to each other with this controlled terminal.
Compared to prior art, the advantage of multimedia equipment control system of the present invention is:
1, solves the wiring difficult problem of multimedia exhibition room, realize the communication of data and the control of signal by line of electric force fully in the exhibition room;
2, solved the difficult problem of multimedia exhibition room controlled device limited amount;
3, adopt data compression method to solve the difficult problem of a large amount of multimedia messagess of power line transmission.
Description of drawings
Fig. 1 is the operation synoptic diagram of multimedia equipment control system of the present invention;
Fig. 2 is the module map of multimedia equipment control system of the present invention;
Fig. 3 is the transmission synoptic diagram of control signal and the master control set inside of feedback signal in Fig. 2;
Fig. 4 is the transmission synoptic diagram of control signal and the controlled terminal inside of feedback signal in Fig. 2;
Fig. 5 is the module map of another embodiment of multimedia equipment control system of the present invention;
Fig. 6 is the transmission synoptic diagram of the master control set inside of audio-visual data in Fig. 5;
Fig. 7 is the transmission synoptic diagram of the controlled terminal inside of audio-visual data in Fig. 5.
Embodiment
In order better to understand purpose of the present invention, structure and function,, a kind of multimedia equipment control system of the present invention is done further detailed description below in conjunction with accompanying drawing.
As shown in Figure 1, multimedia equipment control system of the present invention comprises master control set 1 and controlled terminal 2, and master control set 1 is connected with a plurality of controlled terminals 2 by line of electric force, and the communication mode between master control set 1 and a plurality of controlled terminal 2 is a power line carrier communication.Wherein, power line carrier (Power Line Carrier-PLC) communication is to utilize high-voltage power line (being often referred to 35kV and above electric pressure in the power carrier field), medium voltage power line (referring to the 10kV electric pressure) or low-voltage distribution wire (380/220V subscribers feeder) to carry out a kind of specific communication mode of voice or data transmission as information transmitting medium.
Further, the master control set 1 among the present invention is mainly used in and receives the multimedia equipment control signal that controller 4 sends, and this control signal processing back is sent to the controlled terminal 2 that links to each other with master control set 1 by line of electric force; 2 of controlled terminals are connected with various multimedia equipments 3, are used to receive the control signal that master control set 1 sends by line of electric force, and are transferred to multimedia equipment 3 after will this signal transforming, and realize the control to multimedia equipment.In addition, according to actual requirement of engineering, multimedia equipment control system of the present invention also can be by the feedback signal of controlled terminal 2 collection multimedia equipments 3, and transfer to master control set 1 by controlled terminal 2 by line of electric force, and then feed back to controller 4, so that be well understood to ruuning situation of multimedia equipment etc.
Further, controller 4 among the present invention can be a mobile control device commonly used in this area, as Electronic Control pen, smart mobile phone, panel computer etc., and present embodiment middle controller 4 and master control set 1 are that mode by radio communication (wifi signal) is connected.But it should be noted that master control set 1 also can adopt connected mode commonly used in this area with the connected mode of controller 4, as wired connection or infrared connection etc.In addition, show curtain, projector, sound equipment, light etc., it should be understood that multimedia equipment commonly used in this area all can be used as controlling object of the present invention although the multimedia equipment in the present embodiment 3 has only been described.
Below with reference to the accompanying drawings each ingredient in the multimedia equipment control system of the present invention is described in detail:
Referring to Fig. 2 and Fig. 3, the master control set 1 among the present invention comprises main control processor 100, wireless communication module 110, major control data processing module 120 and master control power line transmission module 130.Wherein, the main transmission control of being responsible for signal in the master control sets 1 of main control processor 100 is specially: between control master control set 1 and the controller 4 communicate by letter, control control signal in the master control set 1 and feedback signal in the transmission between each module, control communicating by letter between master control set 1 and each controlled terminal 2.
Further, wireless communication module 110 comprises network signal Transmit-Receive Unit 111, network signal amplifying unit 112, network signal filter element 113 and network signal modem module 114.Wherein, network signal Transmit-Receive Unit 111 is mainly used in and receives the multimedia equipment control signal that controller 4 sends, and the feedback signal of multimedia equipment 3 is sent to controller 4; Network signal amplifying unit 112 is used for control signal, feedback signal are carried out processing and amplifying; Network signal filter element 113 is used for control signal, feedback signal are carried out the clutter filtering; Network signal modem module 114 is used for that then control signal, feedback signal are carried out modulation to be handled.
Further, major control data processing module 120 comprises data buffer storage unit 121 and packing data/unwrapper unit 122.Wherein, packing data/unwrapper unit 122 is used for the processing of packing of the control signal of desiring to be sent to controlled terminal 2, or the feedback signal that controlled terminal transmission is come unpacks processing; Data buffer storage unit 121 then can be with control signal to be packed or the feedback signal after unpacking temporarily store.
Further, master control power line transmission module 130 comprises modulating and demodulating signal unit 131, signal transmitting and receiving unit 132, signal amplification unit 133 and line of electric force coupling unit 134.Wherein, modulating and demodulating signal unit 131 is used for the control signal of master control set 1 desire transmission and the feedback signal that receives are carried out the modulation processing; Signal transmitting and receiving unit 132 is used for the transmission of control signal and feedback signal and collects; Signal amplification unit 133 is used for the processing and amplifying of control signal and feedback signal; Line of electric force coupling unit 134 then is used for control signal is coupled to and sends to controlled terminal 2 on the line of electric force, or extracts the feedback signal of being come by controlled terminal 2 transmission from line of electric force.
Referring to Fig. 2 and Fig. 4, the controlled terminal 2 among the present invention comprises terminal processor 200, terminal power line transmission module 210, terminal data processing module 220 and signal input/output module 230.Wherein, main identification and the transmission control of being responsible for signal in the controlled terminals 2 of terminal processor 200 is specially: control communicating by letter between controlled terminal 2 and the master control set 1, discern the control signal that belongs to this controlled terminal 2, control the transmission between each module of control signal in the controlled terminal 2 and feedback signal, control the signal input and output of multimedia equipment 3.
Further, terminal power line transmission module 210 comprises line of electric force coupling unit 211, signal amplification unit 212, signal transmitting and receiving unit 213 and modulating and demodulating signal unit 214.Wherein, line of electric force coupling unit 211 is responsible for extracting the control signals of being come by master control set 1 transmission from line of electric force, or feedback signal is coupled to sends to master control set 1 on the line of electric force; Signal amplification unit 212, signal transmitting and receiving unit 213 and modulating and demodulating signal unit 214 then be responsible for respectively control signal and feedback signal amplification, collect and send and modulation work.
Further, terminal data processing module 220 comprises data buffer storage unit 221 and packing data/unwrapper unit 222.Wherein, data buffer storage unit 221 is responsible for the temporary transient control signal that receives after unpacking of storing, or temporary transient storage feedback signal to be packed; Packing data/unwrapper unit 222 is used for the control signal that master control set 1 transmission comes is unpacked processing, and will be from the processing of packing of the feedback signal of multimedia equipment 3.
Further, signal input/output module 230 comprises signal input-output unit 231 and performance element 232.Wherein, performance element 232 directly links to each other with multimedia equipment 3, be used for control signal is changed into these multimedia equipment 3 receivable control signals and passes to multimedia equipment 3, realize control, and can gather the feedback signal that needs from multimedia equipment 3 to multimedia equipment 3; Signal input-output unit 231 then is responsible for control signal is sent to performance element 232, or receives the feedback signal that performance element 232 collects.It should be noted, performance element 232 in the controlled terminal 2 of the present invention is corresponding one by one with multimedia equipment 3, dissimilar according to controlled multimedia equipment 3, the type of performance element 232 can specifically be set, as being set to relay Control Component, infrared signal output Control Component, sound-light electrical control system assembly, projector's switching on and shutting down Control Component, curtain Control Component etc.
Do in the master control set 1 of multimedia equipment control system of the present invention and the concrete transmission course in the controlled terminal 2 to the control signal of coming self-controller 4 with from the feedback signal of multimedia equipment 3 below in conjunction with Fig. 3 and Fig. 4 and to describe in further detail:
At first, the transmission of control signal.When needs carry out specific control to some multimedia equipment 3, can send control signal by controller 4; Network signal Transmit-Receive Unit 111 in the master control set 1 receives this control signal, and carries out rough handling by network signal amplifying unit 112, network signal filter element 113 and 114 pairs of these control signals of network signal modem module successively; Control signal after the processing transfers to packing data/unwrapper unit 122 under the control of main control processor 100, control signal to be packed temporarily stores in the data buffer storage unit 121, by packing data/unwrapper unit 122 processing of packing, control signal after the packing transfers to modulating and demodulating signal unit 131 under the control of main control processor 100, the 131 pairs of control signals that will send in modulating and demodulating signal unit are carried out modulation treatment, and by the 132 execution transmit operations of signal transmitting and receiving unit, after treating that 133 pairs of control signals of signal amplification unit are carried out processing and amplifying, just by line of electric force coupling unit 134 control signal is coupled on the line of electric force that links to each other with master control set 1, and by power line transmission to controlled terminal 2.
Line of electric force coupling unit 211 in the controlled terminal 2 extracts the control signal that master control set 1 transmission comes from the line of electric force that links to each other with controlled terminal 2, and after the processing and amplifying of signal amplification unit 212, receive by signal transmitting and receiving unit 213, the control signal that receives is carried out demodulation process by modulating and demodulating signal unit 214; Under the control of terminal processor 200, further realize separating package operation by packing data/unwrapper unit 222, the control signal after unpacking temporarily is stored in the data buffer storage unit 221; The part that belongs to this controlled terminal in the control signal after terminal processor 200 identifies and unpacks, and be sent to signal input-output unit 231, signal input-output unit 231 is sent to performance element 232 with control signal, finally change control signal into these multimedia equipment 3 receivable control signals by the performance element 232 that links to each other with multimedia equipment 3 and be delivered in the multimedia equipment 3, realization is to the specific control of multimedia equipment 3.
Secondly, the transmission of feedback signal.In the time need showing to the concrete control situation of a certain multimedia equipment 3, the feedback signal of the multimedia equipment 3 that can be attached thereto by the performance element in the controlled terminal 2 232 collection, and receive by signal input-output unit 231; , the feedback signal that signal input-output unit 231 receives transfers in the data buffer storage unit 221 storage temporarily, and under the control of terminal processor 200 by packing data/unwrapper unit 222 processing of packing; Feedback signal after the packing transfers to modulating and demodulating signal unit 214 under the control of terminal processor 200, the 214 pairs of feedback signals that will send in modulating and demodulating signal unit are carried out modulation treatment, and by the 213 execution transmit operations of signal transmitting and receiving unit, after treating that 212 pairs of feedback signals of signal amplification unit are carried out processing and amplifying, just by line of electric force coupling unit 211 feedback signal is coupled on the line of electric force that links to each other with controlled terminal 2, and by power line transmission to master control set 1.
Line of electric force coupling unit 134 in the master control set 1 extracts the feedback signal that controlled terminal 2 transmission come from the line of electric force that links to each other with master control set 1, and after the processing and amplifying of signal amplification unit 133, receive by signal transmitting and receiving unit 132, the feedback signals that receives is carried out demodulation process by modulating and demodulating signal unit 131; Under the control of main control processor 100, and further realized separating package operation by packing data/unwrapper unit 122, the feedback signal after unpacking temporarily is stored in the data buffer storage unit 121; Under the control of main control processor 100, feedback signal after unpacking is sent to network signal modem module 114,114 pairs of feedback signals that will send of network signal modem module are carried out modulation treatment, and after the processing through network signal filter element 113, network signal amplifying unit 112, finally feedback signal is sent to controller 4 by Wireless transmission mode, to realize demonstration to multimedia equipment 3 state of a controls by network signal Transmit-Receive Unit 111.
It should be noted, multimedia equipment control system in the present embodiment is for having the function of transmission of control signals and collection, transmission feedback signal simultaneously, but according to actual requirement of engineering, multimedia equipment control system of the present invention also can only have the function of transmission of control signals, promptly do not relate to the collection and the transmission of feedback signal yet, concrete system forms and the transmission course of control signal can be not described in detail in this with reference to top description.
Thus, multimedia equipment control system of the present invention can be applied in places such as exhibition room, venue, stage, for the user provide convenience, fast, safe, healthy control mode.As long as wireless signal (Wifi signal) and common line of electric force are arranged, can easily realize control many multimedia equipment health, intelligence.And multimedia equipment control system of the present invention do not have destruction, installs simple and conveniently original device, and control is succinct, and can avoid electromagnetic interference, only need line of electric force is may command, can also carry out remote control and regulation and debugging.
Referring to Fig. 5, master control set 1 in the multimedia equipment control system of the present invention also can link to each other with audio-visual data storer 5 by signal wire, audio-visual data storer 5 in the present embodiment can be similar memory devices such as computing machine, be used to store the audio-visual data that multimedia equipment 3 is play, for example voice data, video data etc.Thus, the audio-visual data in the audio-visual data storer 5 also can transmit by multimedia equipment control system of the present invention.
Wherein, set up audio-visual data acquisition module 140 in the master control set 1 of the present invention, as shown in Figure 6, audio-visual data acquisition module 140 comprises audio-visual data receiving element 141, audio-visual data format conversion unit 142 and audio-visual data compression unit 143, be mainly used in reception and directly be transferred to audio-visual data (voice data and video data) in the master control set 1 by signal wire, and audio-visual data is carried out rough handling by audio-visual data storer 5; Then set up audio-visual data processing module 240 in the controlled terminal 2, as shown in Figure 7, audio-visual data processing module 240 comprises audio-visual data decompress(ion) unit 241, audio-visual data form reduction unit 242 and audio-visual data output unit 243, be mainly used in the audio-visual data that master control set 1 transmission is come and handle and transfer to multimedia equipment 3, to realize the broadcast of audio-visual data.
Below in conjunction with Fig. 6 and Fig. 7 audio-visual data is specifically described at the master control set 1 of present embodiment and the transmission course in the controlled terminal 2:
Referring to Fig. 6, it has described the transmission of audio-visual data in master control set 1.Specifically, audio-visual data receiving element 141 in the master control set 1 receives the audio-visual data (voice data and video data) that is transported by audio-visual data storer 5, and is changed by the signal format of 142 pairs of audio-visual datas of audio-visual data format conversion unit that (being specially the analog signal conversion in the audio-visual data is digital signal; Digital signal in the audio-visual data is converted to level signal), the audio-visual data after the conversion carries out degree of depth compression by audio-visual data compression unit 143; Under the control of main control processor 100, the audio-visual data after the compression temporarily is stored in data buffer storage unit 121; Then, as the control signal that controller 4 sends, under the control of main control processor 100, the audio-visual data after will being compressed by master control power line transmission module 130 is gone out (specifically can referring to the transmission course of above-mentioned control signal) by the power line transmission that links to each other with master control set 1.In the present embodiment, main control processor 100 has concurrently and is responsible for communicating by letter between master control set 1 and the audio-visual data storer 5, handle the audio-visual data that transfers in the master control set 1, control communicating by letter between master control set 1 and each controlled terminal 2.
Referring to Fig. 7, it has described the transmission of audio-visual data in controlled terminal 2.Specifically, the audio-visual data that master control set 1 comes by power line transmission by the terminal power line transmission module in the controlled terminal 2 210 receive and handle (with the reception of control signal handle similar, can be referring to above-mentioned description to control signal); Under the control of terminal processor 200, the audio-visual data that is received by terminal power line transmission module 210 temporarily is stored in the data buffer storage unit 221, and further identifies the audio-visual data that belongs to this controlled terminal 2 by terminal processor 200; The audio-visual data that belongs to this controlled terminal 2 transfers to audio-visual data decompress(ion) unit 241 under the control of terminal processor 200, and finish decompress(ion) work by audio-visual data decompress(ion) unit 241, audio-visual data behind 242 pairs of decompress(ion)s of audio-visual data form reduction unit carries out the form reduction and (is specially and restores the simulating signal that is converted to digital signal in the audio-visual data, and restore the digital signal that is converted to level signal in the audio-visual data), the audio-visual data that restores is sent to the multimedia equipment 3 that links to each other with this controlled terminal 2 by audio-visual data output unit 243, realizes the broadcast of audio-visual data.In the present embodiment, terminal processor 200 has communicate by letter, the discern audio-visual data, the processing that belong to this controlled terminal 2 be responsible between the controlled terminal 2 of control and the master control set 1 concurrently and transfers to audio-visual data in the controlled terminal 2, controls the input of audio-visual data to multimedia equipment 3.
The multimedia equipment control system of present embodiment has not only been realized the transmission of control signal thus, also can transmit audio-visual data as required, in addition, understand the ruuning situation of each multimedia equipment 3 if desired, also can make the multimedia equipment control system of present embodiment increase collection, the transfer function of feedback signal, and then realize comprehensive, three-dimensional control the multimedia equipment in the places such as exhibition room, the shadow Room.
In addition, according to actual requirement of engineering, also can be directly the steering order of multimedia equipment 3 be stored in the multimedia equipment control system of the present invention, for example in the main control processor 100 in the master control set 1.Thus, only need send an enabled instruction by controller 4, multimedia equipment control system of the present invention just can be controlled multimedia equipment automatically according to default steering order, realizes real robotization, intellectuality.Concrete workflow to the multimedia equipment control system of this embodiment is briefly described below:
At first, click the button of controller 4 (hand-held flat board or telepilot), by wifi or other wireless modes enabled instruction is sent to master control set 1, master control set 1 is according to pre-set programs, convert the power line carrier signal to and send being pre-stored in multimedia equipment steering order in the main control processor 100, after each controlled terminal 2 receives signal, the signal of this terminal is issued in extraction, control the equipment in the exhibition room that links to each other with controlled terminal 2 thus, as light, projector, curtain, aerosol producer etc.
Secondly, after all devices is opened, according to the preset instructions in the main control processor 100, master control set 1 begins to receive the audio-visual data (vision signal, sound signals such as VGA signal or HDMI or DVI) that audio-visual data storer 5 (computer or other multimedia equipment players) comes by signal wire transmits, and will send by line of electric force after the audio-visual data compression, after corresponding controlled terminal 2 is received data are unpacked, and reduce these signals, be transferred to the projector that is attached thereto then, display, perhaps TV etc.
More than by specific embodiment the present invention is further described; but it should be understood that; here concrete description; should not be construed as qualification to the spirit and scope of the invention; the various modifications that the one of ordinary skilled in the art makes the foregoing description after reading this instructions, the scope that all belongs to the present invention and protected.
Claims (12)
1. a multimedia equipment control system is characterized in that, comprising:
Master control set (1), the control signal that reception and processing controller (4) send;
Controlled terminal (2) links to each other with multimedia equipment (3);
Master control set (1) is connected by line of electric force with a plurality of controlled terminals (2), control signal after master control set (1) is handled is sent to a plurality of controlled terminals (2) by the mode of power line carrier communication, each controlled terminal (2) receives, discerns one's own control signal, and this control signal is transferred to the multimedia equipment (3) that links to each other with this controlled terminal (2).
2. multimedia equipment control system according to claim 1 is characterized in that, master control set (1) comprising:
Main control processor (100) is responsible for the transmission control of signal in the master control set (1);
Wireless communication module (110) is responsible for receiving the control signal that controller (4) sends;
Major control data processing module (120) is responsible for the packing and the temporary transient storage of control signal;
Master control power line transmission module (130), the control signal after being responsible for major control data processing module (120) handled by power line transmission to controlled terminal (2).
3. multimedia equipment control system according to claim 2 is characterized in that,
Wireless communication module (110) comprising: network signal Transmit-Receive Unit (111), network signal amplifying unit (112), network signal filter element (113) and network signal modem module (114);
Major control data processing module (120) comprising: packing data/unwrapper unit (122) and data buffer storage unit (121);
Master control power line transmission module (130) comprising: modulating and demodulating signal unit (131), signal transmitting and receiving unit (132), signal amplification unit (133) and line of electric force coupling unit (134).
4. multimedia equipment control system according to claim 2 is characterized in that, controlled terminal (2) comprising:
Terminal processor (200) is responsible for the identification and the transmission control of signal in the controlled terminal (2);
Terminal power line transmission module (210) is responsible for receiving the control signal of being come by power line transmission by master control set (1);
Terminal data processing module (220) is responsible for unpacking and temporary transient storage of control signal;
Signal input/output module (230) is responsible for control signal is transferred to multimedia equipment (3).
5. multimedia equipment control system according to claim 4 is characterized in that,
Terminal power line transmission module (210) comprising: line of electric force coupling unit (211), signal amplification unit (212), signal transmitting and receiving unit (213) and modulating and demodulating signal unit (214);
Terminal data processing module (220) comprising: data buffer storage unit (221) and packing data/unwrapper unit (222);
Signal input/output module (230) comprising: be used for control signal is passed to the performance element (232) of multimedia equipment (3), and the signal input-output unit (231) that is used for control signal is sent to performance element (232).
6. multimedia equipment control system according to claim 1 is characterized in that, controlled terminal (2) also is used to gather the feedback signal of multimedia equipment (3), and by power line transmission to master control set (1); Master control set (1) receives the feedback signal from controlled terminal (2), and feedback signal is sent to controller (4).
7. multimedia equipment control system according to claim 6 is characterized in that, master control set (1) comprising:
Main control processor (100) is responsible for the transmission control of signal in the master control set (1);
Wireless communication module (110) is responsible for receiving the control signal that controller (4) sends, and the feedback signal of multimedia equipment (3) is sent to controller (4);
Major control data processing module (120) be responsible for the packing and temporary transient storage of control signal, and unpacking with temporary transient of feedback signal is stored;
Master control power line transmission module (130), control signal after being responsible for major control data processing module (120) handled by power line transmission to controlled terminal (2), and the feedback signal that receives the multimedia equipment (3) that comes by power line transmission by controlled terminal (2).
8. multimedia equipment control system according to claim 7 is characterized in that, controlled terminal (2) comprising:
Terminal processor (200) is responsible for the identification and the transmission control of signal in the controlled terminal (2);
Terminal power line transmission module (210) be responsible for to receive the control signal of being come by power line transmission by master control set (1), and with the feedback signal of multimedia equipment (3) by power line transmission to master control set (1);
Terminal data processing module (220) is responsible for unpacking and temporary transient storage of control signal, and the packing of feedback signal and temporary transient storage;
Signal input/output module (230) is responsible for control signal is transferred to multimedia equipment (3), and the feedback signal of collection and multimedia apparatus receiving (3).
9. according to claim 4 or 8 described multimedia equipment control systems, it is characterized in that, master control set (1) links to each other with audio-visual data storer (5), audio-visual data in the audio-visual data storer (5) is input in the master control set (1), master control set (1) with audio-visual data handle the back by power line transmission to controlled terminal (2), and by multimedia equipment (3) broadcast that links to each other with controlled terminal (2).
10. multimedia equipment control system according to claim 9, it is characterized in that, also comprise audio-visual data acquisition module (140) in the master control set (1), audio-visual data acquisition module (140) is used for receiving and handling the audio-visual data that is transferred to master control set (1) by audio-visual data storer (5);
Also comprise audio-visual data processing module (240) in the controlled terminal (2), audio-visual data processing module (240) is used for multimedia equipment (3) is handled and transferred to the audio-visual data that master control set (1) transmission comes.
11. multimedia equipment control system according to claim 10, it is characterized in that the audio-visual data acquisition module (140) in the master control set (1) comprises audio-visual data receiving element (141), audio-visual data format conversion unit (142) and audio-visual data compression unit (143);
Audio-visual data processing module (240) in the controlled terminal (2) comprises audio-visual data decompress(ion) unit (241), audio-visual data form reduction unit (242) and audio-visual data output unit (243).
12. multimedia equipment control system according to claim 4, it is characterized in that, store the multimedia equipment steering order in the main control processor (100) of master control set (1), after the enabling signal that master control set (1) reception controller (4) sends, the multimedia equipment steering order that will be pre-stored in automatically in the main control processor (100) is sent to controlled terminal (2) by line of electric force, and is transferred to multimedia equipment (3) by controlled terminal (2).
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107203164A (en) * | 2017-07-07 | 2017-09-26 | 苏州特瑞捷智能工程有限公司 | For the central controlled central control box of exhibition room equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104656597A (en) * | 2013-11-25 | 2015-05-27 | 上海风语筑展览有限公司 | Central control system for remotely controlling exhibition hall |
| CN104865879A (en) * | 2015-06-08 | 2015-08-26 | 苏州金螳螂展览设计工程有限公司 | Configuration method for strong electricity control system for exhibition hall |
| CN106354048A (en) * | 2016-12-01 | 2017-01-25 | 四川省农业科学院蚕业研究所 | Remote control system and remote control method |
| WO2018119737A1 (en) * | 2016-12-28 | 2018-07-05 | 深圳市大疆灵眸科技有限公司 | Transfer apparatus, pan-tilt and control method based on pan-tilt |
| CN107203164A (en) * | 2017-07-07 | 2017-09-26 | 苏州特瑞捷智能工程有限公司 | For the central controlled central control box of exhibition room equipment |
| CN107909801A (en) * | 2017-12-04 | 2018-04-13 | 深圳市稻兴实业有限公司 | A kind of method of Duo Tai projectors Simultaneous Switching machine |
| CN107909801B (en) * | 2017-12-04 | 2020-09-22 | 深圳市稻兴实业有限公司 | Method for simultaneously turning on and turning off multiple projectors |
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| CN103217916B (en) | 2015-09-16 |
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