CN107872909B - Dual data channels method for controlling lamp and controller - Google Patents
Dual data channels method for controlling lamp and controller Download PDFInfo
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- CN107872909B CN107872909B CN201711017540.0A CN201711017540A CN107872909B CN 107872909 B CN107872909 B CN 107872909B CN 201711017540 A CN201711017540 A CN 201711017540A CN 107872909 B CN107872909 B CN 107872909B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of dual data channels method for controlling lamp and controllers, the method is applied to lamps and lanterns and lamp controller, data channel between lamp controller and lamps and lanterns is the dual data channels being made of a serial SPI data transmission channel and a parallel DMX512 data transmission channel, the dual data channels method for controlling lamp, which includes: lamp controller, carries out control and malfunction elimination to lamps and lanterns by dual data channels, and the lamps and lanterns complete control and malfunction elimination by the dual data channels.The present invention uses twin-channel communications protocol mode, and the data transmission channel of a serial SPI mode and the data transmission channel of a parallel DMX512 mode are established between controller and lamps and lanterns.Under dual channel mode, system stability when can check bad lamps and lanterns quickly in debugging process to reduce cost of labor, and increase normal communication in system operation.
Description
Technical field
The present invention relates to LED lamp control field more particularly to pairs of a kind of serial SPI mode and parallel DMX512 mode
Data channel method for controlling lamp and controller.
Background technique
In recent years, urban landscape brightening illumination is quickly grown, largely the LED lamp controllable using various color changes.
Most of LED lamp uses the communication modes of serial SPI or parallel DMX512 at present.
SPI is a kind of communication modes (as shown in Figure 1) of serial data displacement, and lamps and lanterns are serially connected in a data link,
Lamps and lanterns according to connection sequence auto-sequencing.The several data for every frame data packet foremost that each lamps and lanterns interception receives, then
Subsequent data are transferred to next lamps and lanterns.As soon as then subsequent lamps and lanterns can not if the lamps and lanterns damage in certain of this mode
Receive correct order data.
DMX512 agreement is to be developed by USITT (theater technological associations, the U.S.) from console with standard digital to connect at first
The mode (as shown in Figure 2) of mouth control light modulator.DMX512 uses bus parallel connection mode, it is necessary to distribute a ground to each lamps and lanterns
Location code；Each frame data packet in lamps and lanterns detection bus reads corresponding data according to the address code of oneself.A however large size
Project lamps and lanterns quantity it is thousands of, to each lamps and lanterns distribute an address code, this is a very cumbersome job.Bus
Mode in parallel is not easy to influence other lamps and lanterns when the damage of some lamps and lanterns.But if being that the communication interfaces of lamps and lanterns is damaged
Bad (such as interface and positive pole or earth short), it is likely that the signal transmission in bus can be interfered with, caused same
Lamps and lanterns in data link cannot all receive correct control command, and which lamps and lanterns is difficult to navigate in this case is
It is bad, the cost of labor of maintenance is relatively high.
Summary of the invention
The present invention provides a kind of dual data channels method for controlling lamp and controller, can quickly check in debugging process
Bad lamps and lanterns are to reducing cost of labor, and system stability when can increase normal communication.
To achieve the above object, the present invention provides a kind of dual data channels method for controlling lamp, and the method is applied to lamp
Has controller, the data channel between the lamp controller and lamps and lanterns is by a serial SPI data transmission channel and one
The dual data channels that parallel DMX512 data transmission channel is constituted, the dual data channels method for controlling lamp includes: the lamp
Tool controller carries out control and malfunction elimination to lamps and lanterns by the dual data channels, and the lamps and lanterns pass through the dual data channels
Complete control and malfunction elimination.
Wherein, under normal communication mode, described the step of being controlled by the dual data channels lamps and lanterns, includes:
Under normal communication mode, lamps and lanterns preferentially read parallel DMX512 data transmission channel data；
The lamp controller sends data to the lamps and lanterns by the parallel DMX512 data transmission channel；
When the parallel DMX512 data transmission channel sends mistake, the lamp controller is switched to serial SPI number
Data are sent to the lamps and lanterns according to transmission channel.
When the lamps and lanterns can't detect parallel DMX512 data transmission channel data, SPI number is read in the lamps and lanterns switching
According to the data of transmission channel
Wherein, under debugging mode, the lamp controller carries out malfunction elimination to lamps and lanterns by the dual data channels
The step of include:
The lamp controller distributes address code to lamps and lanterns by the serial SPI data transmission channel；
The lamp controller sends control data to lamps and lanterns by parallel DMX512 data transmission channel, and detects lamp
Tool；
When detecting that the lamps and lanterns occur abnormal, data investigation is sent not by the serial SPI data transmission channel
Good reason, repairs lamps and lanterns.
Wherein, the lamp controller controls lamps and lanterns by the control decoder module of the dual data channels and lamps and lanterns
System and malfunction elimination, the control decoder module of the lamps and lanterns include: input signal interface circuits, interface circuit of output signal, with
And it is connected to SPI control unit and DMX512 control list between the input signal interface circuits, interface circuit of output signal
Member, wherein the SPI control unit is electrically connected with DMX512 control unit, and the SPI control unit and DMX512 control are single
Member is electrically connected with the input signal interface circuits, interface circuit of output signal, and the SPI control unit is described for parsing
The data that serial SPI data transmission channel is sent, the DMX512 control unit are logical for parsing the DMX512 data transmission
The data that road is sent；The input signal interface circuits connect the lamp controller, the lamp by the dual data channels
Tool receives the input signal for the control lamps and lanterns that the controller is sent by the input signal interface circuits, and the lamps and lanterns pass through
The interface circuit of output signal receives the control data that the controller is sent, and carries out malfunction elimination.
Wherein, the lamp controller controls lamps and lanterns by the control decoder module of the dual data channels and lamps and lanterns
The step of system and malfunction elimination specifically includes: under normal communication mode, the lamp controller is connect by the input signal
Mouthful circuit and interface circuit of output signal send data to the lamps and lanterns by the parallel DMX512 data transmission channel, described
When parallel DMX512 data transmission channel sends mistake, the lamp controller is switched to serial SPI data transmission channel to institute
It states lamps and lanterns and sends data, when the lamps and lanterns can't detect parallel DMX512 data transmission channel data, the lamps and lanterns switching is read
Take the data of SPI data transmission channel；
Under debugging mode, the lamp controller is by the input signal interface circuits by the serial SPI data
Transmission channel distributes address code to lamps and lanterns, by the input signal interface circuits by parallel DMX512 data transmission channel to lamp
Tool sends control data, and detects lamps and lanterns by interface circuit of output signal, when detecting that the lamps and lanterns occur abnormal, passes through
The serial SPI data transmission channel sends data and checks poor prognostic cause.
The present invention also proposes a kind of dual data channels lamp controller, and the data between the lamp controller and lamps and lanterns are logical
Road is the dual data channels being made of a serial SPI data transmission channel and a parallel DMX512 data transmission channel.
Wherein, under normal communication mode, the lamp controller passes through the parallel DMX512 data transmission channel pair
The lamps and lanterns send data, and when the parallel DMX512 data transmission channel sends mistake, the lamp controller is switched to
Serial SPI data transmission channel sends data to the lamps and lanterns, and it is logical to can't detect parallel DMX512 data transmission in the lamps and lanterns
When track data, the data of SPI data transmission channel are read in the lamps and lanterns switching.
Wherein, under debugging mode, the lamp controller is distributed by the serial SPI data transmission channel to lamps and lanterns
Address code sends control data to lamps and lanterns by parallel DMX512 data transmission channel, and detects lamps and lanterns, is detecting the lamp
When tool occurs abnormal, data are sent by the serial SPI data transmission channel and check poor prognostic cause.
Wherein, the lamp controller is also used to through the control decoder module of the dual data channels and lamps and lanterns to lamps and lanterns
Control and malfunction elimination are carried out, the control decoder module of the lamps and lanterns includes: input signal interface circuits, output signal interface electricity
Road, and SPI control unit and the DMX512 control being connected between the input signal interface circuits, interface circuit of output signal
Unit processed, wherein the SPI control unit is electrically connected with DMX512 control unit, and the SPI control unit and DMX512 control
Unit processed is electrically connected with the input signal interface circuits, interface circuit of output signal, under normal communication mode, the lamp
Have controller and number is sent to the lamps and lanterns by the parallel DMX512 data transmission channel by the interface circuit of output signal
According to when the parallel DMX512 data transmission channel sends mistake, the lamp controller is switched to serial SPI data transmission
Channel sends data, when the lamps and lanterns can't detect parallel DMX512 data transmission channel data, the lamp to the lamps and lanterns
The data of SPI data transmission channel are read in tool switching；
Under debugging mode, the lamp controller is by the input signal interface circuits by the serial SPI data
Transmission channel distributes address code to lamps and lanterns, by the input signal interface circuits by parallel DMX512 data transmission channel to lamp
Tool sends control data, and detects lamps and lanterns by interface circuit of output signal, when detecting that the lamps and lanterns occur abnormal, passes through
The serial SPI data transmission channel sends data and checks poor prognostic cause.
Compared with prior art, dual data channels method for controlling lamp proposed by the present invention and controller, use are twin-channel
Communications protocol mode, established between controller and lamps and lanterns a serial SPI mode data transmission channel and one it is parallel
The data transmission channel of DMX512 mode.Under dual channel mode, can quickly be checked in debugging process bad lamps and lanterns to
System stability when reducing cost of labor, and increasing normal communication in system operation.
Detailed description of the invention
Fig. 1 is existing SPI communication schematic diagram；
Fig. 2 is existing DMX512 communication schematic diagram；
Fig. 3 is binary channels schematic diagram of the present invention；
Fig. 4 is the control decoder module structural schematic diagram of lamps and lanterns of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Specifically, referring to figure 3. and shown in Fig. 4, Fig. 3 is binary channels schematic diagram of the present invention；Fig. 4 is the control of lamps and lanterns of the present invention
Electrical block diagram processed.
A kind of dual data channels method for controlling lamp proposed by the present invention, the method is applied to lamps and lanterns and lamps and lanterns control
Device, the data channel between the lamp controller and lamps and lanterns are parallel by a serial SPI data transmission channel and one
The dual data channels that DMX512 data transmission channel is constituted, the dual data channels method for controlling lamp includes: the lamps and lanterns control
Device processed carries out control to lamps and lanterns by the dual data channels and malfunction elimination, the lamps and lanterns are completed by the dual data channels
Control and malfunction elimination.
Under normal communication mode, described the step of being controlled by the dual data channels lamps and lanterns, includes:
Under normal communication mode, the controller sends out the lamps and lanterns by the parallel DMX512 data transmission channel
Data are sent, when the parallel DMX512 data transmission channel sends mistake, the controller is switched to serial SPI data transmission
Channel sends data, when the lamps and lanterns can't detect parallel DMX512 data transmission channel data, the lamp to the lamps and lanterns
The data of SPI data transmission channel are read in tool switching.
Under debugging mode, the lamp controller passes through the step of dual data channels carry out malfunction elimination to lamps and lanterns
Include:
Under debugging mode, the controller distributes address code to lamps and lanterns by the serial SPI data transmission channel, leads to
It crosses parallel DMX512 data transmission channel and sends control data to lamps and lanterns, and detect lamps and lanterns, detecting that it is different that the lamps and lanterns occur
Chang Shi sends data by the serial SPI data transmission channel and checks poor prognostic cause, repairs to lamps and lanterns.
In the present embodiment, the lamp controller is by the control decoder module of the dual data channels and lamps and lanterns to lamp
Tool carries out control and malfunction elimination, wherein as shown in figure 4, the control decoder module of the lamps and lanterns includes: input signal interface electricity
Road, interface circuit of output signal, and the SPI being connected between the input signal interface circuits, interface circuit of output signal
Control unit and DMX512 control unit, wherein the SPI control unit is electrically connected with DMX512 control unit, and the SPI
Control unit and DMX512 control unit are electrically connected with the input signal interface circuits, interface circuit of output signal, described
SPI control unit is used to parse the data that the serial SPI data transmission channel is sent, and the DMX512 control unit is for solving
Analyse the data that the DMX512 data transmission channel is sent；The input signal interface circuits are connected by the dual data channels
The lamp controller, the lamps and lanterns receive control lamps and lanterns that the controller is sent by the input signal interface circuits
Input signal, the lamps and lanterns receive the control data that the controller is sent by the interface circuit of output signal, and carry out
Malfunction elimination.
Under normal communication mode, the lamp controller passes through the input signal interface circuits and output signal interface
Circuit sends data to the lamps and lanterns by the parallel DMX512 data transmission channel, logical in the parallel DMX512 data transmission
When road sends mistake, the lamp controller is switched to serial SPI data transmission channel and sends data to the lamps and lanterns, described
When lamps and lanterns can't detect parallel DMX512 data transmission channel data, the number of SPI data transmission channel is read in the lamps and lanterns switching
According to；
Under debugging mode, the lamp controller is by the input signal interface circuits by the serial SPI data
Transmission channel distributes address code to lamps and lanterns, by the input signal interface circuits by parallel DMX512 data transmission channel to lamp
Tool sends control data, and detects lamps and lanterns by interface circuit of output signal, when detecting that the lamps and lanterns occur abnormal, passes through
The serial SPI data transmission channel sends data and checks poor prognostic cause.
Compared with prior art, the present invention uses twin-channel communications protocol mode, and one is established between controller and lamps and lanterns
The data transmission channel of the serial SPI mode of item and the data transmission channel of a parallel DMX512 mode.Under dual channel mode,
System stability when can check bad lamps and lanterns quickly in debugging process to reduce cost of labor, and increase normal communication.
The process flow under two kinds of operating modes of dual data channels method for controlling lamp of the present invention is carried out below detailed
It illustrates:
Mode one (debugging mode):
A, as shown in figure 3, controller is distributed by serial SPI data transmission channel to lamps and lanterns by input signal interface circuits
Address code；
B, as shown in figure 4, controller passes through input signal interface circuits by parallel DMX512 data transmission channel to lamps and lanterns
Control data (content includes style variation) is sent, detecting lamps and lanterns by interface circuit of output signal, (lamps and lanterns show corresponding flower
Sample variation)；
If C, lamps and lanterns are shown incorrect, data are sent by the serial channel SPI and check poor prognostic cause, lamps and lanterns are carried out
Maintenance, return step A.
Mode two (normal communication mode):
A, under normal mode, parallel DMX512 data are preferentially read as shown in Figure 3 and Figure 4, on input signal interface circuits
Transmission channel data；
B, controller sends number to lamps and lanterns by interface circuit of output signal by parallel DMX512 data transmission channel
According to；
C, when mistake occurs on parallel DMX512 data transmission channel, serial SPI data are automatically switched to inside controller
Transmission channel sends data；
D, when lamps and lanterns can't detect the data on parallel DMX512 data transmission channel, it is logical that the transmission of SPI data is read in switching
The data in road.
The present invention also proposes a kind of dual data channels lamp controller, and the data between the lamp controller and lamps and lanterns are logical
Road is the dual data channels being made of a serial SPI data transmission channel and a parallel DMX512 data transmission channel.
Under normal communication mode, the lamp controller is by the parallel DMX512 data transmission channel to the lamp
Tool sends data, and when the parallel DMX512 data transmission channel sends mistake, the controller is switched to serial SPI data
Transmission channel sends data to the lamps and lanterns.
Under debugging mode, the lamp controller distributes address to lamps and lanterns by the serial SPI data transmission channel
Code gives lamps and lanterns to send control data, and detects lamps and lanterns by parallel DMX512 data transmission channel, is detecting that the lamps and lanterns go out
When now abnormal, data are sent by the serial SPI data transmission channel and check poor prognostic cause.
The control of dual data channels lamp controller proposed by the present invention being also used to through the dual data channels and lamps and lanterns
Decoder module processed carries out control and malfunction elimination to lamps and lanterns, wherein the specific structure of the control decoder module of the lamps and lanterns can be with
As shown in figure 4, its concrete function principle is referred to above method embodiment, details are not described herein.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure made by description of the invention and accompanying drawing content or process transformation, are applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of dual data channels method for controlling lamp, which is characterized in that the method is applied to lamps and lanterns and lamp controller, institute
Stating the data channel between lamp controller and lamps and lanterns is by a serial SPI data transmission channel and a parallel DMX512 number
According to the dual data channels that transmission channel is constituted, the dual data channels method for controlling lamp includes: that the lamp controller passes through
The dual data channels carry out control and malfunction elimination to lamps and lanterns, and the lamps and lanterns complete control and event by the dual data channels
Barrier investigation；
Under normal communication mode, the step of lamp controller controls lamps and lanterns by the dual data channels packet
It includes:
Under normal communication mode, lamps and lanterns preferentially read parallel DMX512 data transmission channel data；
The lamp controller sends data to the lamps and lanterns by the parallel DMX512 data transmission channel；
When the parallel DMX512 data transmission channel sends mistake, the lamp controller is switched to serial SPI data and passes
Defeated channel sends data to the lamps and lanterns；
When the lamps and lanterns can't detect parallel DMX512 data transmission channel data, serial SPI number is read in the lamps and lanterns switching
According to the data of transmission channel.
2. dual data channels method for controlling lamp according to claim 1, which is characterized in that described under debugging mode
Lamp controller by the dual data channels to lamps and lanterns carry out malfunction elimination the step of include:
The lamp controller distributes address code to lamps and lanterns by the serial SPI data transmission channel；
The lamp controller sends control data to lamps and lanterns by parallel DMX512 data transmission channel, and detects lamps and lanterns；
When detecting that the lamps and lanterns occur abnormal, data are sent by the serial SPI data transmission channel and check bad original
Cause repairs lamps and lanterns.
3. dual data channels method for controlling lamp according to claim 2, which is characterized in that the lamp controller passes through
The control decoder module of the dual data channels and lamps and lanterns carries out control and malfunction elimination, the control decoding of the lamps and lanterns to lamps and lanterns
Module includes: input signal interface circuits, interface circuit of output signal, and is connected to input signal interface circuits, defeated
SPI control unit and DMX512 control unit between signal interface circuit out, wherein the SPI control unit and DMX512
Control unit electrical connection, and the SPI control unit and DMX512 control unit with the input signal interface circuits, output
Signal interface circuit electrical connection, the SPI control unit are used to parse the data that the serial SPI data transmission channel is sent,
The DMX512 control unit is used to parse the data that the DMX512 data transmission channel is sent；The input signal interface electricity
Road connects the lamp controller by the dual data channels, and the lamps and lanterns receive institute by the input signal interface circuits
The input signal of the control lamps and lanterns of controller transmission is stated, the lamps and lanterns receive the lamps and lanterns by the interface circuit of output signal
The control data that controller is sent, and carry out malfunction elimination.
4. dual data channels method for controlling lamp according to claim 3, which is characterized in that the lamp controller passes through
The step of control control decoder module of the dual data channels and lamps and lanterns carries out control and malfunction elimination to lamps and lanterns specifically includes:
Under normal communication mode, the lamp controller is by the input signal interface circuits and interface circuit of output signal by institute
It states parallel DMX512 data transmission channel and data is sent to the lamps and lanterns, sent in the parallel DMX512 data transmission channel wrong
It mistakes, the lamp controller is switched to serial SPI data transmission channel and sends data to the lamps and lanterns, and the input signal connects
When mouth circuit can't detect parallel DMX512 data transmission channel data, the data of SPI data transmission channel are read in switching；
Under debugging mode, the lamp controller is transmitted by the input signal interface circuits by the serial SPI data
Address code is distributed to lamps and lanterns in channel, is sent out by parallel DMX512 data transmission channel to lamps and lanterns by the input signal interface circuits
Control data are sent, and lamps and lanterns are detected by interface circuit of output signal, when detecting that the lamps and lanterns occur abnormal, by described
Serial SPI data transmission channel sends data and checks poor prognostic cause.
5. a kind of dual data channels lamp controller, which is characterized in that the data channel between the lamp controller and lamps and lanterns
For the dual data channels being made of a serial SPI data transmission channel and a parallel DMX512 data transmission channel；
Under normal communication mode, the lamp controller sends out the lamps and lanterns by the parallel DMX512 data transmission channel
Data are sent, when the parallel DMX512 data transmission channel sends mistake, the lamp controller is switched to serial SPI data
Transmission channel sends data to the lamps and lanterns；When the lamps and lanterns can't detect parallel DMX512 data transmission channel data, institute
State the data that SPI data transmission channel is read in lamps and lanterns switching.
6. dual data channels lamp controller according to claim 5, which is characterized in that under debugging mode, the lamp
Have controller and distribute address code to lamps and lanterns by the serial SPI data transmission channel, is transmitted by parallel DMX512 data logical
Road sends control data to lamps and lanterns, and detects lamps and lanterns, when detecting that the lamps and lanterns occur abnormal, passes through the serial SPI number
Data, which are sent, according to transmission channel checks poor prognostic cause.
7. dual data channels lamp controller according to claim 6, which is characterized in that the lamp controller is also used to
Control and malfunction elimination, the control of the lamps and lanterns are carried out to lamps and lanterns by the control decoder module of the dual data channels and lamps and lanterns
Decoder module includes: input signal interface circuits, interface circuit of output signal, and is connected to the input signal interface electricity
SPI control unit and DMX512 control unit between road, interface circuit of output signal, wherein the SPI control unit with
The electrical connection of DMX512 control unit, and the SPI control unit and DMX512 control unit are electric with the input signal interface
Road, interface circuit of output signal electrical connection, under normal communication mode, the lamp controller passes through the input signal interface
Circuit and interface circuit of output signal send data to the lamps and lanterns by the parallel DMX512 data transmission channel, it is described simultaneously
When row DMX512 data transmission channel sends mistake, the lamp controller is switched to serial SPI data transmission channel to described
Lamps and lanterns send data；
Under debugging mode, the lamp controller is transmitted by the input signal interface circuits by the serial SPI data
Address code is distributed to lamps and lanterns in channel, is sent out by parallel DMX512 data transmission channel to lamps and lanterns by the input signal interface circuits
Control data are sent, and lamps and lanterns are detected by interface circuit of output signal, when detecting that the lamps and lanterns occur abnormal, by described
Serial SPI data transmission channel sends data and checks poor prognostic cause.
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| CN201711017540.0A CN107872909B (en) | 2017-10-26 | 2017-10-26 | Dual data channels method for controlling lamp and controller |
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| CN201711017540.0A CN107872909B (en) | 2017-10-26 | 2017-10-26 | Dual data channels method for controlling lamp and controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201585178U (en) * | 2009-12-17 | 2010-09-15 | 广州中大中鸣科技有限公司 | Control device of LED lamp based on DMX512 protocol |
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| CN107197563A (en) * | 2017-06-26 | 2017-09-22 | 上海光联照明有限公司 | LED lamp system and life-span monitoring method based on DMX512 agreements |
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| US8344659B2 (en) * | 2009-11-06 | 2013-01-01 | Neofocal Systems, Inc. | System and method for lighting power and control system |
| US20150204561A1 (en) * | 2014-01-20 | 2015-07-23 | Innosys, Inc. | Control System With Mobile Sensors |
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| CN201585178U (en) * | 2009-12-17 | 2010-09-15 | 广州中大中鸣科技有限公司 | Control device of LED lamp based on DMX512 protocol |
| CN204707304U (en) * | 2015-01-29 | 2015-10-14 | 广州景晴光电科技有限公司 | Can many pixels RGB controller of custom lamp optical mode arbitrarily |
| CN107197563A (en) * | 2017-06-26 | 2017-09-22 | 上海光联照明有限公司 | LED lamp system and life-span monitoring method based on DMX512 agreements |
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