CN101370336B - Indoor light control system for home theater - Google Patents
Indoor light control system for home theater Download PDFInfo
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- CN101370336B CN101370336B CN2008101565795A CN200810156579A CN101370336B CN 101370336 B CN101370336 B CN 101370336B CN 2008101565795 A CN2008101565795 A CN 2008101565795A CN 200810156579 A CN200810156579 A CN 200810156579A CN 101370336 B CN101370336 B CN 101370336B
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- 230000005236 sound signal Effects 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 14
- 230000006978 adaptation Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000035807 sensation Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000001795 light effect Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention discloses an indoor lamp light PID control system for home theater which comprises video frequency and audio signal collection module, central control module, bus adapting module, node execution module, light effect collection and feedback module. The video frequency and audio signal collection module directly analyzes audio signal and video signal input by TV, then processes signal by PID algorithm, converts audio signal and video signal to synchronously transmitted logic pulse, transmits to central control module; light effect collection and feedback module collects light effect around looker, and synchronously feedbacks the signal to central control module; central control module processes received signal by PID control algorithm and transmits command to node execution module by bus adapting module; node execution module receives control command and controls lamp light. The inventive indoor lamp light PID control system synchronizes sound, video and lamp light to match picture and sound effects by optimum lamp light so as to achieve a on-the-scene sensation for looker.
Description
Technical field
The present invention relates to a kind of indoor light control system, specifically a kind of indoor light control system for home theater.
Background technology
Improving constantly of Along with people's living standard not only pursued the super impression of audiovisual when watching home theater, also need sensation on the spot in person simultaneously.Especially large scale TV, the home theater interface has only the audio frequency acquisition interface at present, indoor light sensation control is required lower, can't accomplish sound, light, the super impression of electricity.
PID refers to ratio calculus and regulates, and (the P-ratio, the I-integration, the D-differential) the PID controller is by the ratio unit, and integral unit and differentiation element are formed. and it is simple in structure with it, good stability, reliable operation, easy to adjust.Adopt the popular calculus control system (PID) of present process and motion control field, directly look the parsing of audio frequency intensity and gather the computing of single-chip microcomputer center through the TV signal input part; The CAN bus design; The differential type transmission, the node type FEEDBACK CONTROL is to the omnidistance control of indoor light.Make the people on the spot in person, reach stronger visual experience.Purchase home theater and need purchase relevant corollary equipments such as control system simultaneously, increase data acquisition and control module and make cost raise, thereby temporarily be applicable to high-end crowd.
Summary of the invention
The purpose of this invention is to provide a kind of indoor light control system for home theater; This lamp light control system can remedy the defective of home theater light control in the market; With indoor sound, look the light synchronization; Cooperate picture and acoustics with optimization light, make the onlooker reach sensation on the spot in person.
The objective of the invention is to realize through following technical scheme:
A kind of home theater indoor light PID control system is characterized in that: it comprises video and audio signal sample module, Central Control Module, bus adaptation module, node Executive Module and lighting effects collection and feedback module; Video and audio signal sample module are directly analyzed the audio signal and the vision signal of TV input; To the analog signal power that produces is discerned; And through the pid algorithm processing; Use the combination of decoder and logical circuit, audio signal and vision signal power are converted into the logical pulse of synchronous transmission, be sent to Central Control Module; Lighting effects collection and feedback module are gathered near the lighting effects beholder, and signal Synchronization is fed back to Central Control Module; Central Control Module use pid control algorithm to the signal of receiving compare, adjustment, error correction, and send order to the node Executive Module through the bus adaptation module; The node Executive Module is accepted after the control command light to be controlled.
Implementation procedure of the present invention is seen Fig. 2.The present invention directly gathers the signal input part audio-video signal, identification back dispatching centre control module.Central Control Module carries out computing and optimization to information, and bus adapter is assigned operating instruction.During initialization, bus adapter is to use the node unified addressing.Adapter is assigned the running instruction to bus.CAN BUS node interactive model, each node reads bus line command, and fill order uses PWM that the light power is modulated respectively, and the node of sensor photosensitive intensity feedback simultaneously forms little closed loop PID control.
Node is sent to Central Control Module with the running status feedback bus through bus adapter.Light resultant effect acquisition module feeds back resultant effect around the beholder, compares with the node current state, further modulates the node operating state, forms the big closed loop of PID, finally realizes the best resultsization of system.
The present invention,, looks indoor sound to remedy the defective of home theater light control in the market through realizing home theater addition indoor light control system, and the light synchronization cooperates picture and acoustics with optimization light, makes the onlooker reach sensation on the spot in person.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is implementation procedure figure of the present invention.
Embodiment
A kind of home theater indoor light PID control system of the present invention, fiduciary level 5V TTL.It comprises video and audio signal sample module 1, Central Control Module 2, bus adaptation module 3, node Executive Module 4 and lighting effects collection and feedback module 5; Video and audio signal sample module 1 are directly analyzed the audio signal and the vision signal of TV input; To the analog signal power that produces is discerned; And through the pid algorithm processing; Use the combination of decoder and logical circuit, audio signal and vision signal power are converted into the logical pulse of synchronous transmission, be sent to Central Control Module 2; Lighting effects are gathered near 5 couples of beholders of lighting effects collection and feedback module, and signal Synchronization is fed back to Central Control Module 2; Central Control Module 2 use pid control algorithms to the signal of receiving compare, adjustment, error correction, and send order to node Executive Module 4 through bus adaptation module 3; Node Executive Module 4 is accepted after the control command light to be controlled.
Video and audio collection module: do not need specially to put transducer to producing signals collecting, analyze after directly TV input audio-video signal being intercepted and captured,, handle through pid algorithm to the strong and weak examination of the analog signal that produces.Use the combination of decoder and logical circuit, sound is looked the logical pulse that the signal power is converted into synchronous transmission, be sent to central controller.
Central Control Module: use single-chip microcomputer to accomplish center module control.Up employing parallel interface data go up parallel interface simultaneously and bear downstream signal feedback and receive an assignment.The built-in comparison of controller, adjustment, descending control and error correcting routine use pid control algorithm, and downstream interface adopts serial node feedback mode control.
Hardware layer comprises: single-chip microcomputer, flash memory, signal buffer, switch and reset command executer.
Bus adaptation module: be responsible for communicate by letter and the signal conversion between center module and descendant node; Provide center module descending control command simultaneously; Lower level node state feedback and center module upstream Interface signal relatively back status command send; And address assignment between descendant node, CAN pattern RS232 communication function.
The node Executive Module: node is accepted after the control command control acceptor fluorescent tube to be controlled.The up employing serial of node receives synchronously, the decoding compiling, and control command is sent, and control command is carried out, practice condition feedback, communication on the bus between node.
Hardware layer comprises: single-chip microcomputer, PWM (pid algorithm) control, Light indicator.
Lighting effects are gathered and feedback module: near the lighting effects beholder gathered, and to the Central Control Module direct communication, feedback beholder synchronizing lamp light effect.Central component: optical inductor.
The present invention looks indoor sound, and the light synchronization cooperates picture and acoustics with optimization light, realizes making onlooker's sensation on the spot in person.The present invention is through realizing that home theater addition indoor light control system is to remedy the defective of home theater light control in the market.
After native system is installed successfully, only need a key to touch and can open this function, need not more than setting, sensation free from worldly cares is enjoyed in intelligent automatic management at once.
Claims (1)
1. home theater indoor light PID control system, it is characterized in that: it comprises video and audio signal sample module (1), single-chip microcomputer (2), bus adaptation module (3), node Executive Module (4) and lighting effects collection and feedback module (5); Video and audio signal sample module (1) are directly analyzed the audio signal and the vision signal of TV input; To the analog signal power that produces is discerned; And through the pid algorithm processing; Use the combination of decoder and logical circuit, audio signal and vision signal power are converted into the logical pulse of synchronous transmission, be sent to single-chip microcomputer (2); Lighting effects are gathered and feedback module (5) carries out instantaneous acquiring near the lighting effects beholder, and signal Synchronization is fed back to single-chip microcomputer (2); Single-chip microcomputer (2) use pid control algorithm to the signal of receiving compare, adjustment, error correction, and send order to node Executive Module (4) through bus adaptation module (3); Node Executive Module (4) is accepted after the control command light to be controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101565795A CN101370336B (en) | 2008-10-13 | 2008-10-13 | Indoor light control system for home theater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101565795A CN101370336B (en) | 2008-10-13 | 2008-10-13 | Indoor light control system for home theater |
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| Publication Number | Publication Date |
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| CN101370336A CN101370336A (en) | 2009-02-18 |
| CN101370336B true CN101370336B (en) | 2012-01-04 |
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| CN2008101565795A Expired - Fee Related CN101370336B (en) | 2008-10-13 | 2008-10-13 | Indoor light control system for home theater |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104798444B (en) * | 2012-11-27 | 2017-09-15 | 飞利浦灯具控股公司 | For the method based on the data creation atmosphere illuminating effect derived from stage performance |
| CN103237382B (en) * | 2013-04-07 | 2015-08-19 | 四川长虹电器股份有限公司 | A kind of wired home lamp light control method and system |
| CN103237154B (en) * | 2013-05-08 | 2019-04-09 | 天禹文化集团有限公司 | Acousto-optic image synchronization control system |
| CN104093240B (en) * | 2014-06-30 | 2016-08-24 | 广东九联科技股份有限公司 | A kind of system of Intelligent adjustment environment light |
| CN108933961B (en) * | 2018-06-26 | 2021-03-23 | 深圳市韵阳科技有限公司 | Method and system for controlling LED color development according to image edge data |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444428A (en) * | 2002-03-11 | 2003-09-24 | 久春工业有限公司 | Control method of all-colour LED acousto-optic system and its equipment |
| CN101009777A (en) * | 2006-01-26 | 2007-08-01 | 国际商业机器公司 | System and method for controlling lighting in a digital video stream |
| CN101252801A (en) * | 2008-03-21 | 2008-08-27 | 中兴通讯股份有限公司 | Method and apparatus for controlling light |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444428A (en) * | 2002-03-11 | 2003-09-24 | 久春工业有限公司 | Control method of all-colour LED acousto-optic system and its equipment |
| CN101009777A (en) * | 2006-01-26 | 2007-08-01 | 国际商业机器公司 | System and method for controlling lighting in a digital video stream |
| CN101252801A (en) * | 2008-03-21 | 2008-08-27 | 中兴通讯股份有限公司 | Method and apparatus for controlling light |
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| CN101370336A (en) | 2009-02-18 |
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