CN103606349B - Splicing display device control system - Google Patents
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- CN103606349B CN103606349B CN201310557799.XA CN201310557799A CN103606349B CN 103606349 B CN103606349 B CN 103606349B CN 201310557799 A CN201310557799 A CN 201310557799A CN 103606349 B CN103606349 B CN 103606349B
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Abstract
The invention discloses a kind of splicing display device control system, it includes controller unit, the first electric power networks bridge module and connects the second electric power networks bridge module of display unit of splicing display device respectively；Controller unit is connected with electric lines of force by the first electric power networks bridge module, and display unit is connected with electric lines of force by the second electric power networks bridge module；Controller unit outputs control signals to the first electric power networks bridge module according to controlling operation, and control signal is loaded onto on electric lines of force by the first electric power networks bridge module；Second electric power networks bridge module obtains control signal from electric lines of force, and sends control signals to the display unit of correspondence.The present invention utilizes display unit to pass through the first electric power networks bridge module to be connected with electric lines of force, and then be connected in electric power networks, save a large amount of wire rod, between them, have the link being in communication with each other, and the background light pattern determined according to controller unit carries out smart brightness regulation.
Description
Technical field
The present invention relates to tiled display technical field, especially relate to a kind of splicing display device control system.
Background technology
Traditional splicing display device control system is based on LAN and RS485 industrial network, splicing display device
Each display unit, with a serial line interface or cable interface and at least one video input mouth such as DVI interface, controls electric
Nicergoline is crossed access network line interface or serial line interface and display unit is communicated control, and processor is then accessed by video line
The picture signal content that video input mouth produces with the corresponding display unit of transmission.
Ancillary equipment such as desk lamps with dimmer switch etc., from controlling computer farther out, control computer it is generally required to be converted into by rs 232 serial interface signal
RS485 differential signal is transmitted to ancillary equipment.So this splicing display device control system is entered except needs electric lines of force
Outside row connects, in addition it is also necessary to additionally lay netting twine, the twisted-pair feeder of RS485 communication and video signal cable such as DVI or VGA line, but also
Need to set up the equipment such as network router, RS485 transducer and repeater, control computer, processor and each display unit equal
To there being an independent mailing address, network router connect display unit, control computer to appointing that display unit sends
What order all needs to carry out transfer through network router, not only increases difficulty of construction and expense, once system that system is installed
Cable breaks down, and investigates and change needs more time and time.
Summary of the invention
Based on this, it is necessary to for the deficiencies in the prior art, it is provided that a kind of splicing display device control system, by electric lines of force
Replace tradition netting twine and twisted-pair feeder as communications carrier, save a large amount of wire rod, it is to avoid splicing display device connects up in disorder behind
Problem, it is possible to reduce difficulty of construction and cost of equipment, protect existing paving gauze network to greatest extent, and with intelligent scene lamp
Optical controlling function, the scene set according to user carries out the regulation of background light.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of splicing display device control system,
It include controller unit, the first electric power networks bridge module and connect respectively splicing display device display unit second
Electric power networks bridge module；Described controller unit is connected with electric lines of force by the first electric power networks bridge module, described display
Unit is connected with described electric lines of force by the second electric power networks bridge module；Described controller unit is according to controlling operation output control
Signal processed is to described first electric power networks bridge module, and described control signal is loaded onto by described first electric power networks bridge module
On described electric lines of force；Described second electric power networks bridge module obtains described control signal from described electric lines of force, and by described
Control signal sends to corresponding display unit.
In sum, splicing display device control system of the present invention is by replacing tradition net using electric lines of force as communications carrier
Line and twisted-pair feeder, save a large amount of wire rod, it is to avoid splicing display device connects up in disorder problem behind, it is possible to reduces difficulty of construction
And cost of equipment, protect existing paving gauze network to greatest extent so that display unit is by the first electric power networks bridge module and electricity
The line of force connects, and then is connected in electric power networks, has the link being in communication with each other, it is not necessary to external bridge between each unit, and
And brightness before the screen of controller unit control splicing display device, carry out intelligence according to the background light pattern that controller unit determines
Can brightness regulation.
Accompanying drawing explanation
Fig. 1 is the theory diagram of splicing display device control system embodiment of the present invention；
Fig. 2 is that shown splicing display device control system of the present invention combines the former of luminance sensor unit and desk lamp with dimmer switch unit
Reason block diagram；
Fig. 3 is that splicing display device control system of the present invention combines luminance sensor unit, desk lamp with dimmer switch unit and curtain list
The theory diagram of unit；
Fig. 4 is that splicing display device control system of the present invention combines luminance sensor unit, desk lamp with dimmer switch unit, sunblind units
And the theory diagram of processor unit；
Fig. 5 is the flow chart of splicing display device control system normal operating conditions of the present invention；
Fig. 6 is the theory diagram of splicing display device another embodiment of control system of the present invention.
Detailed description of the invention
By inventive feature, technological means and the specific purposes reached, function can be further appreciated that, below in conjunction with
The present invention is described in further detail by accompanying drawing with detailed description of the invention.
As it is shown in figure 1, splicing display device control system of the present invention includes controller unit, the first electric power networks bridge joint mould
Block and connect the second electric power networks bridge module of display unit of splicing display device respectively；Described controller unit passes through
First electric power networks bridge module is connected with electric lines of force, and electric lines of force connects electric power system, and described display unit passes through the second electric power
Network bridge module is connected with described electric lines of force；Described controller unit touches according to user's triggering command or luminance sensor unit
The control operation sending out data outputs control signals to described first electric power networks bridge module, described first electric power networks bridge joint mould
Described control signal is loaded onto on described electric lines of force by block；Described second electric power networks bridge module obtains from described electric lines of force
Described control signal, and described control signal is sent to corresponding display unit.
Splicing display device control system of the present invention is by replacing tradition netting twine and multiple twin using electric lines of force as communications carrier
Line, saves a large amount of wire rod, it is to avoid splicing display device connects up in disorder problem behind, it is possible to reduce difficulty of construction and installation cost
With, protect existing paving gauze network to greatest extent so that display unit is connected with electric lines of force by the first electric power networks bridge module,
And then be connected in electric power networks, there is the link being in communication with each other between each unit, it is not necessary to external bridge, and controller list
Brightness before the screen of unit's control splicing display device, the background light pattern determined according to controller unit is carried out smart brightness and is adjusted
Joint.
Wherein in an embodiment, as in figure 2 it is shown, the present invention can also include the 3rd electric power networks bridge module,
Four electric power networks bridge modules, described 3rd electric power networks bridge module connects luminance sensor unit, described 4th power network
Network bridge module connects desk lamp with dimmer switch unit, and described luminance sensor unit is by the 3rd electric power networks bridge module and described electric power
Line connects, and described desk lamp with dimmer switch unit is connected with described electric lines of force by the 4th electric power networks bridge module；Described controller unit
Control operation according to user's triggering command or luminance sensor unit triggers data outputs control signals to described first electric power
Network bridge module, described control signal is loaded onto on described electric lines of force by described first electric power networks bridge module；3rd electricity
Power network bridge module, the 4th electric power networks bridge module obtain described control signal respectively from described electric lines of force, and by institute
State control signal to send to corresponding luminance sensor unit, desk lamp with dimmer switch unit.
Wherein in an embodiment, as it is shown on figure 3, the present invention can also include the 5th electric power networks bridge module, institute
Stating the 5th electric power networks bridge module and connect sunblind units, described sunblind units passes through the 5th electric power networks bridge module with described
Electric lines of force connects, and described sunblind units is connected with described electric lines of force by the 5th electric power networks bridge module；Described controller list
Unit operates according to the control of user's triggering command or luminance sensor unit triggers data and outputs control signals to described first electricity
Power network bridge module, described control signal is loaded onto on described electric lines of force by described first electric power networks bridge module；5th
Electric power networks bridge module obtains described control signal from described electric lines of force, and sends described control signal to corresponding window
Curtain unit.
Wherein in an embodiment, as shown in Figure 4, the present invention can also include the 6th electric power networks bridge module, institute
State the 6th electric power networks bridge module connect processor unit, described processor unit by the 6th electric power networks bridge module with
Described electric lines of force connects, and described processor unit is connected with described electric lines of force by the 6th electric power networks bridge module；Described control
Device unit processed outputs control signals to described according to the control operation of user's triggering command or luminance sensor unit triggers data
First electric power networks bridge module, described control signal is loaded onto described electric lines of force by described first electric power networks bridge module
On；6th electric power networks bridge module obtains described control signal from described electric lines of force, and described control signal is sent extremely
Corresponding processor unit；Described processor unit is connected with splicing display device also by video cables, described processor list
The video signal source of input is transferred to splicing display device with appearing picture by video cables by unit, and described video cables is
DVI line.
Wherein, described electric lines of force connects each display unit of splicing display device, luminance sensor unit, light modulation respectively
Lamp unit, sunblind units, processor unit.Described first electric power networks bridge module, the second electric power networks bridge module, the 3rd
Electric power networks bridge module, the 4th electric power networks bridge module, the 5th electric power networks bridge module and the 6th electric power networks bridge joint
Module is the electric power networks bridge module of same type, and its operation principle is that the high-frequency controling signal of carrying information is loaded on electricity
Stream, is then transmitted with electric lines of force, and the electric power networks bridger receiving information is separated control signal from electric current again,
Reprint again to corresponding display unit, luminance sensor unit, desk lamp with dimmer switch unit, sunblind units and processor unit；Described control
Device unit processed, display unit, luminance sensor unit, desk lamp with dimmer switch unit, between sunblind units and processor unit, pass through electric power
Network bridge module and electric lines of force form the link being in communication with each other.
Specifically, described controller unit, the display unit of splicing display device, luminance sensor unit, desk lamp with dimmer switch list
Unit, sunblind units, the most corresponding autonomous device address of processor unit, device address includes 0～No. 255；Wherein control
The autonomous device ground that device unit, display unit, luminance sensor unit, desk lamp with dimmer switch unit, sunblind units, processor unit are corresponding
Location is all the most nonoverlapping.From controller unit, display unit, luminance sensor unit, desk lamp with dimmer switch unit, sunblind units,
Processor unit is chosen main equipment and from equipment, main equipment is distributed in No. 0 device address, 1～No. 254 device address is divided
Dispensing is from equipment, and No. 255 device addresses are broadcasting equipment address code, controller unit, display unit, luminance sensor unit,
Desk lamp with dimmer switch unit, sunblind units, processor unit all can receive the broadcast message of No. 255 device addresses.Described controller list
Unit is set as main equipment, described processor unit, the display unit of splicing display device, luminance sensor unit, desk lamp with dimmer switch list
Unit, sunblind units are respectively set as touching from equipment, main equipment reception user's triggering command signal or luminance sensor unit
Sending out data signal, send control signals on electric lines of force by the first electric power networks bridge module, control signal includes equipment ground
Location information, the second electric power networks bridge module, the 3rd electric power networks bridge module, the 4th electric power networks bridge module, the 5th electricity
Power network bridge module and the 6th electric power networks bridge module receive the control signal sent from electric lines of force and be transmitted to right
Answer from equipment, respectively the device address information control signal is judged from equipment, in control signal device address letter
The control instruction action performing control signal from equipment that breath is corresponding；Described include display unit or luminance sensor list from equipment
Unit, desk lamp with dimmer switch unit or sunblind units.
Wherein in an embodiment, the control signal format content that main equipment sends may include that packet header, a length of
8bit；System identifier, a length of 8bit；Address code, a length of 8bit；Device type, a length of 8bit；Command code, a length of
8bit；Data length, a length of 8bit；Numeric data code is the longest, a length of 256*8bit；Check code, a length of 16bit.In concrete
Hold such as following table:
Wherein, command code form and corresponding command specification content include: command code 0, and corresponding command specification is inquiry；Order
Code 1, corresponding command specification is feedback information；Command code 2, corresponding command specification is for reading depositor；Command code 3, corresponding order
Illustrate as write depositor；Command code 4, corresponding command specification is switching on and shutting down；Command code 5, corresponding command specification is light modulation；Order
Code 6, corresponding command specification is deviation post.Particular content such as following table:
| Command code | Command specification |
| 0 | Inquiry |
| 1 | Feedback information (for from equipment feedback information) |
| 2 | Read depositor |
| 3 | Write depositor |
| 4 | Switching on and shutting down |
| 5 | Light modulation |
| 6 | Deviation post |
| 7 | Undefined |
Wherein in an embodiment, device type and corresponding device type declaration content include: device type 0, corresponding
Device type explanation is desk lamp with dimmer switch unit；Device type 1, corresponding device type declaration is sunblind units；Device type 2, corresponding
Device type explanation is switchgear；Device type 3, corresponding device type declaration is luminance sensor unit；Device type 4,
Corresponding device type declaration is display unit；Device type 5, corresponding device type declaration is controller unit.Particular content is such as
Following table:
| Device type | Device type explanation |
| 0 | Desk lamp with dimmer switch unit |
| 1 | Sunblind units |
| 2 | Switchgear |
| 3 | Luminance sensor unit |
| 4 | Display unit |
| 5 | Controller unit |
| 6 | Undefined |
Wherein, switchgear is used for controlling controller unit, display unit, luminance sensor unit, desk lamp with dimmer switch unit, window
Curtain unit, being turned on and off of processor unit.
Described controller unit inner setting is had powerful connections lamp light mode, and background light pattern includes day mode, mould at night
Formula, film mode, screening-mode and self-defined pattern, display unit, luminance sensor unit, desk lamp with dimmer switch unit and sunblind units
Jointly completing the Intelligent adjustment to real-time background light pattern, desk lamp with dimmer switch unit includes front light unit and background light unit, front
Scape lamp unit is arranged on the front of splicing display device, and background light unit is arranged on the front of front light unit, and described brightness passes
The installation site of sensor cell is arranged with desk lamp with dimmer switch units match, and sunblind units is that the apolegamy of splicing display device control system is joined
Part, is arranged on the both sides, front of splicing display device, it is also possible to be arranged according to actual presentation space；User is by controlling
Controller unit carries out background light pattern switching, background light pattern corresponding content such as following table:
Brightness before the screen of described controller unit control splicing display device, user determines spelling by controlling controller unit
Connecing the light background mode of control system of display device, controller unit constantly sends inquiry control signal poll luminance sensor
Unit, obtains the brightness value of luminance sensor unit detection, and sends light modulation according to the brightness value of luminance sensor unit detection
Control signal to the desk lamp with dimmer switch unit of corresponding brightness sensor unit, reduce or promote desk lamp with dimmer switch unit brightness, desk lamp with dimmer switch list
Unit, according to brightness before the screen of dimming control signal control splicing display device, meets the brightness value that light background mode sets.
When splicing display device control system of the present invention initializes, concrete operation step is as follows:
Controller unit storage inside has equipment to register chained list, and described equipment registration chained list includes that some equipment registers structure
Body, correspondence storage is from the device address of equipment, device type and device attribute respectively for each equipment registration structure, and equipment is stepped on
The size of the device address that note structure is stored by correspondence is chained up the most end to end.Wherein, described include showing from equipment
Show unit, or described include display unit, luminance sensor unit and desk lamp with dimmer switch unit from equipment, or described include showing from equipment
Show unit, luminance sensor unit, desk lamp with dimmer switch unit and sunblind units, or described include display unit, brightness sensing from equipment
Device unit, desk lamp with dimmer switch unit, sunblind units and sensor unit.
Controller unit device address one by one is polled accessing, and registers display unit, luminance sensor unit, desk lamp with dimmer switch
Unit, sunblind units, the device address of processor unit, device type and the information of device attribute, these information can write control
In the equipment registration chained list of device unit storage inside processed.
The concrete grammar that described controller unit device address one by one is polled accessing includes:
First controller unit sends querying command to No. 1 device address by electric lines of force, if No. 1 device address correspondence
Unit exist, the information such as oneself device type and device attribute are fed back to controller by unit corresponding to No. 1 device address
Unit；If controller unit does not the most receive the feedback signal of No. 1 unit corresponding to device address, controller
Unit thinks that unit corresponding to No. 1 device address does not exists；
Controller unit sends querying command by No. 2 device addresses of electric power alignment, and so on；
Controller unit sends querying command by No. 254 device addresses of electric power alignment, if No. 254 device address correspondences
Unit exist, the information such as oneself device type and device attribute are fed back to control by unit corresponding to No. 254 device addresses
Device unit；If controller unit does not the most receive the feedback signal of No. 254 unit corresponding to device address, control
Device unit processed thinks that unit corresponding to No. 254 device addresses does not exists.
During as it is shown in figure 5, splicing display device control system of the present invention normally works, concrete operation step is as follows:
S101, judge user's whether triggering command signal, the most then controller unit receives user's triggering command signal,
Sent control signals on electric lines of force by the first electric power networks bridge module；If it is not, then proceed to step S102；
S102, controller unit enter cruise mode, and controller unit is registered in chained list to equipment by electric lines of force timing
The display unit corresponding to device address of registration, luminance sensor unit, desk lamp with dimmer switch unit, sunblind units, processor unit are sent out
Send status inquiry command；
S103, judge display unit corresponding to device address, luminance sensor unit, desk lamp with dimmer switch unit, sunblind units, place
Whether reason device unit is abnormal, if it is working properly, and display unit corresponding to device address, luminance sensor unit, desk lamp with dimmer switch
Unit, sunblind units, processor unit send feedback information working properly to electric lines of force in the given time, proceed to step
S101；If its work occurs abnormal, display unit corresponding to device address, luminance sensor unit, desk lamp with dimmer switch unit, window
Curtain unit, processor unit return error message or time-out response by electric lines of force, proceed to step S104；
S104, judge whether that great exception occurs, the most then close display unit corresponding to device address, brightness sensing
Device unit, desk lamp with dimmer switch unit, sunblind units, processor unit；If it is not, then the display interface at controller unit occurs that warning carries
Show or light external alarm indicator.
Electric lines of force of the present invention connects electric power system, and the present invention uses controller unit as autonomous device and other equipment
As display unit, luminance sensor unit, desk lamp with dimmer switch unit, sunblind units, processor unit separate, it is adaptable to equipment is relatively
Many relatively large systems, controller unit is the main equipment of whole system, is sent by the first electric power networks bridge module and controls
Signal, on electric lines of force, is responsible for the running of scheduling whole system.
Wherein in an embodiment, as shown in Figure 6, controller unit can be placed in splicing display device by the present invention
Wherein in a display unit, it is adaptable to the less mini-system of equipment, this display unit it is responsible for controlling the running of whole system,
Save and need the extra cost increasing independent control unit and space.Wherein, the display unit of tape controller unit sets
For main equipment, other display units, luminance sensor unit, desk lamp with dimmer switch unit, sunblind units and processor unit set respectively
For from equipment, main equipment receives triggering command signal or the trigger data signal of luminance sensor unit of user, by the
One electric power networks bridge module sends control signals on electric lines of force, the second electric power networks bridge module, the 3rd electric power networks bridge
Connection module, the 4th electric power networks bridge module, the 5th electric power networks bridge module and the 6th electric power networks bridge module receive from
Control signal that electric lines of force sends and be transmitted to correspondence from equipment, from equipment respectively to the device address control signal
Information judges, the control instruction action performing control signal from equipment that in control signal, device address information is corresponding；Institute
State and include other display units or luminance sensor unit, desk lamp with dimmer switch unit or sunblind units from equipment.
In sum, splicing display device control system of the present invention is by replacing tradition net using electric lines of force as communications carrier
Line and twisted-pair feeder, save a large amount of wire rod, it is to avoid splicing display device connects up in disorder problem behind, it is possible to reduces difficulty of construction
And cost of equipment, protect existing paving gauze network to greatest extent so that display unit or luminance sensor unit, desk lamp with dimmer switch unit or
Sunblind units, processor unit are connected with electric lines of force by electric power networks bridge module, and then are connected in electric power networks, each
The link being in communication with each other is had, it is not necessary to external bridge between unit, and before the screen of controller unit control splicing display device
Brightness, the background light pattern determined according to controller unit carries out smart brightness regulation.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore limitation of the scope of the invention can not be interpreted as.It should be pointed out that, for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection model of the present invention
Enclose.Therefore, protection scope of the present invention should be as the criterion with claims.
Claims (11)
1. a splicing display device control system, it is characterised in that: include controller unit, the first electric power networks bridge module
And connect the second electric power networks bridge module of the display unit of splicing display device respectively；Described controller unit is by the
One electric power networks bridge module is connected with electric lines of force, and described display unit is by the second electric power networks bridge module and described electric power
Line connects；
Described controller unit outputs control signals to described first electric power networks bridge module according to controlling operation, and described first
Described control signal is loaded onto on described electric lines of force by electric power networks bridge module；Described second electric power networks bridge module is from institute
State and on electric lines of force, obtain described control signal, and described control signal is sent to corresponding display unit；
Described controller unit storage inside has equipment to register chained list, and equipment registration chained list includes that equipment registers structure, each
The correspondence storage respectively of individual equipment registration structure is from the device address of equipment, and equipment registration structure is by the equipment ground of correspondence storage
The size of location is chained up the most end to end；
Wherein, described display unit is included from equipment.
Splicing display device control system the most according to claim 1, it is characterised in that: described also include brightness from equipment
Sensor unit and desk lamp with dimmer switch unit.
Splicing display device control system the most according to claim 1, it is characterised in that: described also include brightness from equipment
Sensor unit, desk lamp with dimmer switch unit and sunblind units.
Splicing display device control system the most as claimed in any of claims 1 to 3, it is characterised in that: also include
3rd electric power networks bridge module and the 4th electric power networks bridge module, described 3rd electric power networks bridge module connects brightness and passes
Sensor cell, described 4th electric power networks bridge module connects desk lamp with dimmer switch unit, and described luminance sensor unit is by the 3rd electricity
Power network bridge module is connected with described electric lines of force, and described desk lamp with dimmer switch unit is by the 4th electric power networks bridge module and described electricity
The line of force connects；
3rd electric power networks bridge module, the 4th electric power networks bridge module obtain described control respectively from described electric lines of force to be believed
Number, and described control signal is sent to corresponding luminance sensor unit, desk lamp with dimmer switch unit.
Splicing display device control system the most according to claim 4, it is characterised in that: described controller unit sends and looks into
Ask control signal poll luminance sensor unit, obtain the brightness value of luminance sensor unit detection, and according to luminance sensor
The brightness value of unit detection sends the desk lamp with dimmer switch unit that dimming control signal is the most corresponding, and desk lamp with dimmer switch unit is according to dimming control signal
Control brightness before the screen of splicing display device.
Splicing display device control system the most as claimed in any of claims 1 to 3, it is characterised in that: also include
5th electric power networks bridge module, described 5th electric power networks bridge module connects sunblind units, and described sunblind units is by the
Five electric power networks bridge modules are connected with described electric lines of force, and described sunblind units passes through the 5th electric power networks bridge module with described
Electric lines of force connects；
5th electric power networks bridge module obtains described control signal from described electric lines of force, and described control signal is sent extremely
Corresponding sunblind units.
Splicing display device control system the most according to claim 3, it is characterised in that: described display unit or brightness pass
Sensor cell, desk lamp with dimmer switch unit or the sunblind units the most corresponding internal device address, described control signal includes equipment ground
Location information；
Device address information is sentenced by described display unit or luminance sensor unit, desk lamp with dimmer switch unit or sunblind units respectively
Disconnected, display unit that in control signal, device address information is corresponding or luminance sensor unit, desk lamp with dimmer switch unit or sunblind units
Perform the control instruction action of control signal.
Splicing display device control system the most as claimed in any of claims 1 to 3, it is characterised in that described control
The control signal format content that device unit processed sends includes: packet header, a length of 8bit；System identifier, a length of 8bit；Address code,
A length of 8bit；Device type, a length of 8bit；Command code, a length of 8bit；Data length, a length of 8bit；Numeric data code is
Long, a length of 256*8bit；Check code, a length of 16bit.
Splicing display device control system the most according to claim 8, it is characterised in that described command code form and correspondence
Command specification content includes: command code 0, and corresponding command specification is inquiry；Command code 1, corresponding command specification is feedback information；Life
Making code 2, corresponding command specification is for reading depositor；Command code 3, corresponding command specification is write depositor；Command code 4, corresponding
Command specification is switching on and shutting down；Command code 5, corresponding command specification is light modulation；Command code 6, corresponding command specification is deviation post.
Splicing display device control system the most according to claim 8, it is characterised in that: described device type and correspondence
Device type description includes: device type 0, and corresponding device type declaration is desk lamp with dimmer switch unit；Device type 1, correspondence sets
Standby type declaration is sunblind units；Device type 2, corresponding device type declaration is switchgear；Device type 3, corresponding device
Type declaration is luminance sensor unit；Device type 4, corresponding device type declaration is display unit；Device type 5, corresponding
Device type explanation is controller unit.
11. splicing display device control systems as claimed in any of claims 1 to 3, it is characterised in that: described control
Device unit processed is placed in a wherein display unit of splicing display device.
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| CN105551418B (en) * | 2016-02-04 | 2018-03-02 | 深圳市科美芯光电技术有限公司 | A kind of power supply signal free switching switch and its power supply signal switching method |
| CN105915380A (en) * | 2016-04-19 | 2016-08-31 | 广东威创视讯科技股份有限公司 | Fault management method and device |
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| JP3588604B2 (en) * | 2001-11-30 | 2004-11-17 | 株式会社東芝 | Electronic device and communication device switching method |
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| CN103606349A (en) | 2014-02-26 |
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Address after: 510670 Guangdong Province, Guangzhou high tech Industrial Development Zone Kezhu Road No. 233 Patentee after: Wei Chong group Limited by Share Ltd Address before: 510663 Guangzhou province high tech Industrial Development Zone, Guangdong, Cai road, No. 6, No. Patentee before: Guangdong Weichuangshixun Science and Technology Co., Ltd. |
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