CN102573184A - Lighting fixture control chip, device, system as well as addressing method thereof - Google Patents
Lighting fixture control chip, device, system as well as addressing method thereof Download PDFInfo
- Publication number
- CN102573184A CN102573184A CN2010106020640A CN201010602064A CN102573184A CN 102573184 A CN102573184 A CN 102573184A CN 2010106020640 A CN2010106020640 A CN 2010106020640A CN 201010602064 A CN201010602064 A CN 201010602064A CN 102573184 A CN102573184 A CN 102573184A
- Authority
- CN
- China
- Prior art keywords
- control chip
- light fixture
- fixture control
- setting voltage
- address
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to a lighting fixture control chip, a device, a system and an addressing method of the lighting fixture control chip. The lighting fixture control chip is provided with a triggering end, an output end and a signal receiving interface, wherein the triggering end is used for receiving a first setting voltage, and the output end is used for outputting a second setting voltage. The signal receiving interface is used for receiving a data packet provided with a plurality of serial transmission data slots; the address of the lighting fixture control chip is automatically determined according to the voltage level of the first setting voltage and a counting signal corresponding to the received amount of the data slots. For the lighting fixture control chip, the arrangement order of each chip can be adjusted at random, and when each chip receives the data packet, the corresponding address can be automatically set, and the lighting fixture control chip is very convenient to use.
Description
Technical field
The present invention relates to a kind of lamp control device, and be particularly related to a kind of light fixture control chip, apparatus, system and method for the DMX512 of being applicable to agreement.
Background technology
The application of LED is more and more extensive, is mainly used in illumination and shows that with cresset the control criterion of wherein the most frequently used LED is the DMX512 standard.DMX512 is a kind of standard of Interface for digital communication, is mainly used in the communication protocol between the light units, and its content comprises the data format of transfer of data, the electrical characteristic and the connector type of equipment.The DMX512 agreement is that (Engineering Commission of United States Institute for Theatre Technology USITT) develops formulation by U.S. theater technological associations at first.Before the DMX512 agreement is worked out, just have a lot of light control protocols to be applied on the light units, but along with system is more and more complicated, the mutual capacitive demand between the different product is just more and more high, DMX512 be in this case in response to and give birth to.
The DMX512 data are to adopt asynchronous Serial Data Transfer Mode mode (asynchronous serialformat) to transmit; Each data packet comprises an initial code (START CODE) and maximum 512 channel datas; Wherein (slot 0 for the 1st slot data; Also can be described as time slot) be used for transmitting initial code, the 2nd slot data (slot 1) thereafter to the 512nd slot data (slot 512) is to be used for transmitting channel data.The world, domestic Computer lamp generally adopt DMX512 data format Draw up Procedure Files at present.The speed of DMX512 data flow is 250K, and promptly each bit is 4 microseconds (us) of full-length, and the bit length of protocol compliant is between 3.92us～4.08us.
Use the standard agreement of DMX512 standard or its extension to control the addressing that light fixture need be set control chip, the general practice is to use pin position setting or writes the address one by one to each control chip.No matter be which kind of practice, in known technology, control chip need write the action of address respectively, automatically the position of its connection of identification and order.
Summary of the invention
The present invention provides a kind of light fixture control chip, device and system, its chips automatically identification itself put in order and the automatic setting address to reach the effect of automatic setting position.
The present invention provides a kind of light fixture control method, utilizes the slot data quantity that has received putting in order with the automatic setting chip address of the chip of identification own, reaches the effect of automatic setting address whereby.
The present invention proposes a kind of light fixture control chip; Be applicable to according to one first setting voltage and a data packet and drive one or more light fixtures; Wherein this data packet has the slot data of a plurality of serial transmissions, and wherein, this light fixture control chip comprises a trigger end, an output and a signal receiving interface; This trigger end is in order to receive this first setting voltage; This output is in order to export one second setting voltage, and this signal receiving interface is in order to receive this data packet, and wherein this light fixture control chip is according to the voltage level of this first setting voltage and an address that determines this light fixture control chip corresponding to the count signal of the slot data quantity that has received.
In an embodiment of the present invention; Wherein this light fixture control chip is when detecting voltage level conversion to a preset potential of this first setting voltage; According to this address that determines this light fixture control chip corresponding to the count signal of the slot data quantity that has received; After the slot data of interval one predetermined quantity, this second setting voltage that this output is exported is converted to this preset potential then.
In an embodiment of the present invention, above-mentioned light fixture control chip bag one counter is drawn together a counter, an address setting unit and a driver element.Counter is coupled to this signal receiving interface and this trigger end, in order to the slot data quantity that received of counting, and when voltage level conversion to a preset potential of this first setting voltage output corresponding to this count signal of the slot data quantity that has received.The address setting unit is coupled to this counter, sets this address according to this count signal.Driver element is coupled to this address setting unit and this signal receiving interface, in this received data packet, reads corresponding one or more slot datas to drive one or more light fixtures that this light fixture control chip is connected according to this address.
In an embodiment of the present invention, wherein above-mentioned data packet is corresponding to the data format of DMX512 standard, and this first setting voltage is a direct current voltage level, and this signal receiving interface is applicable to and receives the signal that meets the EIA-485 standard.
The present invention proposes a kind of lamp control device in addition; Be applicable to according to one first setting voltage and a data packet and drive a plurality of light fixtures; Wherein this data packet has the slot data of a plurality of serial transmissions, and this lamp control device comprises one first light fixture control chip and one second light fixture control chip.The first light fixture control chip has one first trigger end, one first output and one first signal receiving interface; Wherein this first trigger end is in order to receive this first setting voltage; This first output is in order to export one second setting voltage, and this first signal receiving interface is in order to receive this data packet.The second light fixture control chip has one second trigger end, one second output and a secondary signal receiving interface, and wherein this second trigger end is coupled to this first output, and this secondary signal receiving interface is in order to receive this data packet.Wherein this first light fixture control chip is according to one first address of voltage level with this first light fixture control chip of one first count signal decision of the slot data quantity that has received corresponding to this first light fixture control chip of this first setting voltage; This second light fixture control chip is according to one second address of voltage level with this second light fixture control chip of one second count signal decision of the slot data quantity that has received corresponding to this second light fixture control chip of this second setting voltage.
The present invention proposes a kind of lighting system again, comprises a plurality of light fixtures and above-mentioned lamp control device.Lamp control device is coupled to those light fixtures, is applicable to according to one first setting voltage and a data packet to drive these light fixtures, and wherein lamp control device does not add tired stating at this as stated.
From another perspective; The present invention proposes a kind of addressing method of light fixture control chip, is applicable to a light fixture control chip, and this light fixture control chip comprises a trigger end, an output and a signal receiving interface; Wherein this trigger end is in order to receive one first setting voltage; This output is in order to export one second setting voltage, and this signal receiving interface is in order to receive a data packet, and wherein this data packet has the slot data of a plurality of serial transmissions; Wherein, this addressing method comprises the following steps: to count slot data quantity that this light fixture control chip received to produce a count signal; And according to the voltage level of this first setting voltage and an address that determines this light fixture control chip corresponding to this count signal of the slot data quantity that has received.
Comprehensively above-mentioned, proposed by the invention light fixture control chip can be according to the slot data automatic setting address that has received when being triggered.The program that light fixture control chip of the present invention does not need outside set mechanism or manually sets one by one, just the putting in order and set corresponding address of detection itself automatically.Whereby, light fixture control chip of the present invention can arbitrarily be adjusted putting in order of each chip, and each chip can be understood the automatic setting corresponding address when receiving data packet, and is quite convenient in the use.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts preferred embodiment, and conjunction with figs., elaborates as follows.
Description of drawings
Fig. 1 is the lighting system sketch map according to first embodiment of the invention.
Fig. 2 is the signal waveforms according to first embodiment of the invention.
Fig. 3 is the circuit diagram according to the light fixture control chip of first embodiment of the invention.
Fig. 4 is the addressing method flow chart according to second embodiment of the invention.
Description of reference numerals in the above-mentioned accompanying drawing is following:
100: lighting system
110: the first lamp control devices
111～119: first to N light fixture control chip
The 120:DMX512 controller
131～139: first to the N light fixture
141: trigger end
142: the signal receiving interface
143: output
R: resistance
BREAK: interrupt
MAB: in have no progeny the time
H: logic high potential
L: logic low potential
219: the interchannel time
210: the address setting unit
220: counter
230: driver element
MD: count signal
S410～S420: step
Embodiment
Hereinafter, will describe the present invention in detail through the description of drawings embodiments of the invention, and the same reference numbers in the accompanying drawing can be in order to element like the representation class.
(first embodiment)
Please with reference to Fig. 1, Fig. 1 is the lighting system sketch map according to first embodiment of the invention, and lighting system 100 comprises a plurality of light fixtures, according to putting in order, with first to 131～139 expressions of N light fixture.Lighting system 100 more comprises lamp control device 110; It comprises first to N light fixture control chip 111～119; Wherein first is respectively coupled to first to N light fixture 131～139 to N light fixture control chip 111～119; To drive first respectively to N light fixture 131～139, wherein N is a positive integer.First trigger end 141 to N light fixture control chip 111～119 is connected with series system with output 143; Each light fixture control chip has trigger end 141, output 143 and signal receiving interface 142, and the output 142 of the light fixture control chip of previous stage is coupled to the trigger end 141 of the light fixture control chip of next stage.141 of the trigger ends of the first light fixture control chip 111 are coupled to first setting voltage, and wherein first setting voltage is fixing DC voltage level, for example 5V or 3V, but the present invention is not restricted to this.Above-mentioned light fixture then for example is light-emitting diode (light emitting diode, a LED) light fixture, but the present invention is not restricted to this.
The first signal receiving interface 142 to N light fixture control chip 111～119 all can be coupled to the output interface of DMX512 controller 120 to receive the data packet corresponding to the DMX512 standard, and wherein each data packet has the slot data (slot) of a plurality of serial transmissions.As shown in Figure 1, the first signal receiving interface 142 to N light fixture control chip 111～119 is to be connected to the output interface of DMX512 controller 120 in parallel to receive DMX control signal (being data packet).That is to say that in the present embodiment, first can be considered the addressing interface of single line to trigger end of N light fixture control chip 111～119 141 and output 143, is that the mode with series connection connects.The first signal receiving interface 142 to N light fixture control chip 111～119 can be considered the interface that signal receives, and is the output interface that is connected to DMX512 controller 120 in parallel.
The output interface of DMX512 controller 120 for example is the differential transmission interface of RS485 standard, be also referred to as the EIA-485 coffret, but the present invention is not restricted to this.RS485 is a differential interface, so its terminal resistance R that can connect is to form the loop.Signal receiving interface 142 is suitable for and receives the signal that meets the EIA-485 standard.The speed of DMX512 controller 120 dateout packages can be decided according to system requirements, for example adopt DMX512 standard or twice speed DMX512 standard or four times of fast DMX512 standards, but the present invention is not restricted to this.So-called twice speed DMX512 standard or four times of fast DMX512 standards are exactly that doubling frequency with the DMX512 of standard is to transmit more a plurality of data packets in same period.In addition; Up-to-date DMX standard; Be named as RDM (remote device management); Its time standard and DMX512 are the same, but it can pass back to the DMX controller through the state of differential interface handle assembly, so this interface might be the signal transmission interface of two-way (receive and transmit).Signal receiving interface 142 of the present invention also can adopt the interface that meets above-mentioned RDM standard to realize.
First to N light fixture control chip 111～119 can according to the received voltage level of trigger end 141 with corresponding to an address of the count signal decision light fixture control chip of the slot data quantity that has received with the order of connection of representing itself (like first or second).With the first light fixture control chip 111 is example, and when receiving data packet, the first light fixture control chip 111 can be counted the quantity of received slot data to produce count signal.Enumeration data groove quantity has a variety of, signal once only can occur as long as detect in each slot data, for example can use (1) initial code (start bit); (2) the 8 bit data (8bit data) in the slot data; (3) stop bit (stop bits); (4) interchannel mark (mark betweenslot) is because above-mentioned four signals in 1 slot data, all only can occur once.In other words, the mode of enumeration data groove can detect via form or the signal corresponding to slot data, extrapolates the quantity of slot data with indirect mode.
When detecting first setting voltage and convert logic high potential into, the first light fixture control chip 111 can be according to the address that determines the first light fixture control chip 111 corresponding to the count signal of the slot data quantity that has received.For instance, if first setting voltage is exactly logic high potential when system start-up, then the first light fixture control chip 111 can be before receiving any slot data be logic high potential with regard to the level that detects its trigger end 141.At this moment, because the slot data quantity that received is zero, itself be to be arranged in first of all light fixture control chips so the first light fixture control chip 111 will be known.
Then, the first light fixture control chip 111 can continue to count received slot data quantity after detecting voltage level conversion to a preset potential of first setting voltage (present embodiment is example with the logic high potential).Then; At the slot data of a predetermined quantity at interval (for example 1 slot data or two slot datas; Can decide on demand) afterwards, can second setting voltage that the output 143 of the first light fixture control chip 111 is exported be converted to preset potential (being logic high potential).
In like manner; The second light fixture control chip 112 can when converting logic high potential into, determine the address of the second light fixture control chip 112 at the current potential that detects its trigger end 141 (i.e. the output 143 of the first light fixture control chip 111 exported second setting voltage) according to the count signal corresponding to the slot data quantity that has received.For instance, if the first light fixture control chip 111 is to convert its output 143 into logic high potential behind a slot data at interval.The second light fixture control chip 112 can receive the current potential that just can detect its trigger end 141 behind the slot data earlier and convert logic high potential into.Therefore, the second light fixture control chip 112 can learn it itself is to be arranged in second of all light fixture control chips, and the address of setting itself in view of the above.
By that analogy; Each light fixture control chip 111～119 can convert at the current potential of its trigger end 141 logic high potential the time (when trigger end 141 is triggered), learn that according to the slot data quantity that received putting in order of itself determines the address of light fixture control chip then.First configure the address of itself to N light fixture control chip 111～119 after, just can be according to the slot data in its address reading data package to drive corresponding first to N light fixture 131～139.For instance, the 1st slot data (slot 1) in the first light fixture control chip, the 111 reading of data packages, and the 2nd slot data (slot 2) in the second light fixture control chip, the 112 reading of data packages, the rest may be inferred for all the other light fixture control chips, this no longer tired stating.In addition; It should be noted that; Each light fixture control chip also can once read a plurality of slot datas, the 1st to the 3rd slot data (slot 1～slot 3) in the first light fixture control chip, the 111 reading of data packages for example, and the 4th～the 6th slot data (slot 4～slot 6) in the second light fixture control chip, the 112 reading of data packages; The rest may be inferred for all the other light fixture control chips, this no longer tired stating.That is to say, first to N light fixture control chip 111～119 can be respectively according to the voltage level of its trigger end 141 and address corresponding to the count signal decision light fixture control chip of the slot data quantity that has received.
Next, cooperate the waveform of data packet to further specify above-mentioned first the address setting mode to N light fixture control chip 111～119.Please in the lump with reference to Fig. 2, Fig. 2 is the signal waveforms according to first embodiment of the invention.Generally speaking; In the data packet of DMX512; The slot data slot 0 that transmits at first is initial code (start code); Can be used for distinguishing the light fixture type that is connected, represent with the initial data groove in the present embodiment, the 1st to the 512nd slot data (slot 1～slot 512) thereafter is to be used for transmitting the data that drive light fixture.The data format of DMX512 signal comprise interruption " BREAK ", in have no progeny the time " Marktime after BREAK; MAB ", initial code (start code; Be arranged in initial data groove slot 0), channel data (is positioned at the 1st slot data slot 1 to the 512nd slot data slot 512; The 1st slot data slot 1 to the 512nd slot data slot 512 is positioned at after the initial data groove slot 0, not shown all slot datas of Fig. 2), the interchannel time 219 (Mark time between slots).Detailed DMX512 standard please refer to its specification, does not add tired stating at this.
In Fig. 2; First setting voltage is represented the voltage that the trigger end 141 of the first light fixture control chip 111 is received; Second setting voltage is then represented the received voltage of the trigger end 141 of the second light fixture control chip 112 (also being simultaneously the voltage that the output 143 of the first light fixture control chip 111 is exported), and the 3rd setting voltage is then represented the received voltage of the trigger end 141 of the 3rd light fixture control chip 113 (also being simultaneously the voltage that the output 143 of the second light fixture control chip 112 is exported).
When system start-up, first setting voltage is preset as logic high potential (H), and therefore the address of the first light fixture control chip, 111 meeting settings itself is first cis-position, representes that it is arranged in all light fixture control chips 111～119 first.Then, behind the slot data in interval, second setting voltage can be converted into logic high potential by the first light fixture control chip 111 and set its addresses to trigger the second light fixture control chip 112.Because it is to be positioned at initial data groove slot 0 that second setting voltage converts the position of logic high voltage into; So the second light fixture control chip 112 can detect initial data groove slot 0, the second light fixture control chip 112 can be set addresses corresponding to putting in order to be second light fixture control chip whereby.In like manner; Behind slot data at interval, the voltage (the 3rd setting voltage) that the second light fixture control chip 112 can be exported its output 143 after detecting the 1st slot data slot 1 convert into logic high potential with the 3rd light fixture control chip 113 that triggers next stage to set the address.In like manner analogize, the light fixture control chip of rear end can be triggered in regular turn and the slot data quantity that received when triggering is known putting in order to determine the address of itself of itself by inference.
In addition, it should be noted that the time of switching output end voltage can be chosen in transmit slot data during in arbitrary position, shown in second setting voltage among Fig. 2, as long as the light fixture control chip can be counted the slot data quantity that has received.In another embodiment of the present invention, the time of switching output end voltage also can switch after the slot data transmission of correspondence is accomplished again, and the present invention is not restricted to this.Can know that via above-mentioned explanation light fixture control chip of the present invention is the putting in order and set corresponding address to read corresponding slot data of detection itself automatically.In the light fixture control chip, from trigger end 141 be triggered (setting voltage that receives preset potential) can be one or more slot datas (or cycle of slot data) to blanking time of the setting voltage exported of its output 143 of conversion.The blanking time of the light fixture control chip of all series connection must be identical, and the light fixture control chip could be known the arrangement position of itself via the slot data that counting is received by inference like this.
For instance, suppose that be two slot datas blanking time, the slot data that when the light fixture control chip is triggered, has received is 10 (or receive the 9th slot data, promptly slot 9), representes that this light fixture control chip is to be arranged in the 6th.In addition, in the present embodiment, the number of the light fixture control chip of serial connection is not limited, for example two or more light fixture control chips.According to the explanation of above-mentioned present embodiment, present technique field those of ordinary skill should be known other execution modes by inference, does not add tired stating at this.
In addition, in the present embodiment, first can set the action of address, or continue to use the address of setting for the first time when the new data packet of one of every reception to N light fixture control chip 111～119 again, and present embodiment is not limited.When first setting voltage converted logic low potential or ground connection into, above-mentioned first just can continue to use the address that originally set to N light fixture control chip 111～119, and can not reset the address.
First the addressing system to the N light fixture control chip 111～119 can utilize firmware or circuit to realize that the present invention does not limit.With the circuit is example, and please with reference to Fig. 3, Fig. 3 is the circuit diagram according to the light fixture control chip of first embodiment of the invention.Wherein, Fig. 3 is to be example explanation with the first light fixture control chip 111, and the structure of all the other light fixture control chips is identical, can be known by inference by Fig. 3.Please with reference to Fig. 3, the first light fixture control chip 111 comprises address setting unit 210, counter 220 and driver element 230, and wherein counter 220 is coupled to signal receiving interface 142, trigger end 141, output 143 and address setting unit 210.Driver element 230 is coupled to address setting unit 210 and signal receiving interface 142 with according to the slot data in the address reading data package that sets.
(second embodiment)
According to the explanation of the foregoing description, the present invention can summarize a kind of addressing method of light fixture control chip, is applicable to a light fixture control chip.This light fixture control chip comprises a trigger end, an output and a signal receiving interface; Wherein trigger end is in order to receive one first setting voltage; Output is in order to export one second setting voltage; The signal receiving interface is in order to receive a data packet, and wherein data packet has the slot data of a plurality of serial transmissions.The structure of light fixture control chip is please with reference to the explanation of above-mentioned first embodiment.The flow chart of addressing method is please with reference to Fig. 4, and Fig. 4 is the addressing method flow chart according to second embodiment of the invention.At first; The slot data quantity that counting light fixture control chip has received is to produce a count signal (step S410), then according to the voltage level of first setting voltage and an address (step S420) that determines this light fixture control chip corresponding to the count signal of the slot data quantity that has received.Wherein more be included in the voltage level conversion that detects first setting voltage when being a preset potential at step S420; Determine the address of the first light fixture control chip according to the slot data quantity that has received; After the slot data of interval one predetermined quantity, second setting voltage that output is exported is converted to preset potential (for example logic high potential) then.All the other details of addressing method of the present invention, present technique field those of ordinary skill should be known by inference in the explanation by above-mentioned first embodiment, does not add tired stating at this
In addition, it should be noted that the relation of coupling between the said elements comprises direct or indirect electric connection, as long as can reach required electrical signal transfer function, the present invention is not limited.Technological means in the foregoing description can merge or use separately, and its element can increase, remove, adjust or replacement according to its function and design requirement, and the present invention is not limited.After the explanation via the foregoing description, present technique field those of ordinary skill should be known its execution mode by inference, does not add tired stating at this.
In sum; Light fixture control chip of the present invention can transmit setting voltage according to the slot data sequential time delay; Combine the characteristic of DMX512 data packet and the sequential of the setting voltage that postpones to transmit then, let the light fixture control chip come putting in order of identification itself via the slot data quantity that has received to reach the effect of automatic addressing.
Though preferred embodiment of the present invention has disclosed as above; Yet the present invention is not limited to the foregoing description; Any those skilled in the art; In not breaking away from disclosed scope, when can doing a little change and adjustment, so protection scope of the present invention should be as the criterion with the appended scope that claim was defined.
Claims (12)
1. light fixture control chip; Be applicable to according to one first setting voltage and a data packet and drive one or more light fixtures; Wherein this data packet has the slot data of a plurality of serial transmissions; It is characterized in that this light fixture control chip comprises a trigger end, an output and a signal receiving interface, this trigger end is in order to receive this first setting voltage, and this output is in order to export one second setting voltage; This signal receiving interface is in order to receive this data packet, and wherein this light fixture control chip is according to the voltage level of this first setting voltage and an address that determines this light fixture control chip corresponding to a count signal of the slot data quantity that has received.
2. light fixture control chip as claimed in claim 1; It is characterized in that this light fixture control chip is when detecting voltage level conversion to a preset potential of this first setting voltage; This address according to this this light fixture control chip of count signal decision; After the slot data of interval one predetermined quantity, this second setting voltage that this output is exported is converted to this preset potential then.
3. light fixture control chip as claimed in claim 1 is characterized in that this light fixture control chip also comprises:
One counter is coupled to this signal receiving interface and this trigger end, in order to the slot data quantity that received of counting, and when voltage level conversion to a preset potential of this first setting voltage output corresponding to this count signal of the slot data quantity that has received;
One address setting unit is coupled to this counter, sets this address according to this count signal; And
One driver element is coupled to this address setting unit and this signal receiving interface, in this received data packet, reads corresponding one or more slot datas to drive one or more light fixtures that this light fixture control chip is connected according to this address.
4. light fixture control chip as claimed in claim 1 is characterized in that the data format of this data packet corresponding to the DMX512 standard, and this first setting voltage is a direct current voltage level, and this signal receiving interface is applicable to and receives the signal that meets the EIA-485 standard.
5. a lamp control device is applicable to according to one first setting voltage and a data packet to drive a plurality of light fixtures, and wherein this data packet has the slot data of a plurality of serial transmissions, it is characterized in that this lamp control device comprises:
One first light fixture control chip; Have one first trigger end, one first output and one first signal receiving interface; Wherein this first trigger end is in order to receive this first setting voltage; This first output is in order to export one second setting voltage, and this first signal receiving interface is in order to receive this data packet; And
One second light fixture control chip has one second trigger end, one second output and a secondary signal receiving interface, and wherein this second trigger end is coupled to this first output, and this secondary signal receiving interface is in order to receive this data packet;
Wherein, this first light fixture control chip is according to one first address of voltage level with this first light fixture control chip of one first count signal decision of the slot data quantity that has received corresponding to this first light fixture control chip of this first setting voltage; This second light fixture control chip is according to one second address of voltage level with this second light fixture control chip of one second count signal decision of the slot data quantity that has received corresponding to this second light fixture control chip of this second setting voltage.
6. lamp control device as claimed in claim 5; It is characterized in that this first light fixture control chip is when the voltage level conversion that detects this first setting voltage is a preset potential; This first address according to this this first light fixture control chip of first count signal decision; After the slot data of interval one predetermined quantity, this second setting voltage that this output is exported is converted to this preset potential then.
7. lamp control device as claimed in claim 5 is characterized in that this first light fixture control chip comprises:
One counter is coupled to this first signal receiving interface and this first trigger end, in order to the slot data quantity that received of counting to produce this first count signal;
One address setting unit is coupled to this counter, sets this first address according to this first count signal; And
One driver element; Be coupled to this address setting unit and this first signal receiving interface, in this received data packet, read corresponding one or more slot datas to drive one or more light fixtures that this first light fixture control chip is connected according to this first address.
8. lamp control device as claimed in claim 5; It is characterized in that the data format of this data packet corresponding to the DMX512 standard; This first setting voltage and this second setting voltage are DC voltage level, and this first signal receiving interface and this secondary signal receiving interface are suitable for and receive the signal that meets the EIA-485 standard.
9. lighting system is characterized in that this lighting system comprises:
A plurality of light fixtures;
One lamp control device is coupled to said light fixture, is applicable to according to one first setting voltage and a data packet to drive said light fixture, and wherein this lamp control device comprises:
One first light fixture control chip; Have one first trigger end, one first output and one first signal receiving interface; Wherein this first trigger end is in order to receive this first setting voltage; This first output is in order to export one second setting voltage, and this first signal receiving interface is in order to receive this data packet; And
One second light fixture control chip has one second trigger end, one second output and a secondary signal receiving interface, and wherein this second trigger end is coupled to this first output, and this secondary signal receiving interface is in order to receive this data packet;
Wherein this first light fixture control chip is according to one first address of voltage level with this first light fixture control chip of one first count signal decision of the slot data quantity that has received corresponding to this first light fixture control chip of this first setting voltage; This second light fixture control chip is according to one second address of voltage level with this second light fixture control chip of one second count signal decision of the slot data quantity that has received corresponding to this second light fixture control chip of this second setting voltage.
10. the addressing method of a light fixture control chip; Be applicable to a light fixture control chip, this light fixture control chip comprises a trigger end, an output and a signal receiving interface, and wherein this trigger end is in order to receive one first setting voltage; This output is in order to export one second setting voltage; This signal receiving interface is in order to receive a data packet, and wherein this data packet has the slot data of a plurality of serial transmissions, it is characterized in that this addressing method comprises:
Count slot data quantity that this light fixture control chip received to produce a count signal; And
According to the voltage level of this first setting voltage and an address that determines this light fixture control chip corresponding to this count signal of the slot data quantity that has received.
11. the addressing method of light fixture control chip as claimed in claim 10 is characterized in that more comprising in the step of this address of decision:
When the voltage level conversion that detects this first setting voltage is a preset potential; This address according to this this light fixture control chip of count signal decision; After the slot data of interval one predetermined quantity, this second setting voltage that this output is exported is converted to this preset potential then.
12. the addressing method of light fixture control chip as claimed in claim 10; It is characterized in that the data format of this data packet corresponding to the DMX512 standard; This first setting voltage is a direct current voltage level, and this signal receiving interface is applicable to and receives the signal that meets the EIA-485 standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010602064.0A CN102573184B (en) | 2010-12-17 | 2010-12-17 | Lighting fixture control chip, device, system as well as addressing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010602064.0A CN102573184B (en) | 2010-12-17 | 2010-12-17 | Lighting fixture control chip, device, system as well as addressing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102573184A true CN102573184A (en) | 2012-07-11 |
| CN102573184B CN102573184B (en) | 2014-07-30 |
Family
ID=46417324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010602064.0A Active CN102573184B (en) | 2010-12-17 | 2010-12-17 | Lighting fixture control chip, device, system as well as addressing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102573184B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268751A (en) * | 2013-05-09 | 2013-08-28 | 深圳市明微电子股份有限公司 | Address code writing-in method and system of LED display devices |
| WO2014012194A1 (en) * | 2012-07-15 | 2014-01-23 | Huang Rujin | Lighting control system with no address- setting requirement |
| CN103731948A (en) * | 2012-10-12 | 2014-04-16 | 明阳半导体股份有限公司 | Lamp control chips, device, system and addressing method of lamp control chips |
| CN104238383A (en) * | 2013-06-17 | 2014-12-24 | 欧司朗有限公司 | Control system and method for controlling control system |
| JP2019047353A (en) * | 2017-09-01 | 2019-03-22 | パナソニックＩｐマネジメント株式会社 | Communication system, lighting control system, and communication device |
| CN111818706A (en) * | 2020-07-17 | 2020-10-23 | 广州彩熠灯光股份有限公司 | Lamp control backup system based on DMX512 protocol and control method thereof |
| CN113891537A (en) * | 2021-10-27 | 2022-01-04 | 广州市雅江光电设备有限公司 | Method, apparatus and medium for simulating digital dimming protocol sequential logic by computer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101233790A (en) * | 2005-07-27 | 2008-07-30 | 皇家飞利浦电子股份有限公司 | Lighting system and method for controlling a plurality of light sources |
| CN101603648A (en) * | 2008-06-10 | 2009-12-16 | 矽诚科技股份有限公司 | Parallel type single-line addressing lighting device |
| WO2010004461A2 (en) * | 2008-07-08 | 2010-01-14 | Koninklijke Philips Electronics, N.V. | Methods and apparatus for determining relative positions of led lighting units |
-
2010
- 2010-12-17 CN CN201010602064.0A patent/CN102573184B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101233790A (en) * | 2005-07-27 | 2008-07-30 | 皇家飞利浦电子股份有限公司 | Lighting system and method for controlling a plurality of light sources |
| CN101603648A (en) * | 2008-06-10 | 2009-12-16 | 矽诚科技股份有限公司 | Parallel type single-line addressing lighting device |
| WO2010004461A2 (en) * | 2008-07-08 | 2010-01-14 | Koninklijke Philips Electronics, N.V. | Methods and apparatus for determining relative positions of led lighting units |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014012194A1 (en) * | 2012-07-15 | 2014-01-23 | Huang Rujin | Lighting control system with no address- setting requirement |
| CN103731948A (en) * | 2012-10-12 | 2014-04-16 | 明阳半导体股份有限公司 | Lamp control chips, device, system and addressing method of lamp control chips |
| CN103268751A (en) * | 2013-05-09 | 2013-08-28 | 深圳市明微电子股份有限公司 | Address code writing-in method and system of LED display devices |
| CN103268751B (en) * | 2013-05-09 | 2015-10-21 | 深圳市明微电子股份有限公司 | A kind of geocoding wiring method of LED display and system |
| CN104238383A (en) * | 2013-06-17 | 2014-12-24 | 欧司朗有限公司 | Control system and method for controlling control system |
| JP2019047353A (en) * | 2017-09-01 | 2019-03-22 | パナソニックＩｐマネジメント株式会社 | Communication system, lighting control system, and communication device |
| CN111818706A (en) * | 2020-07-17 | 2020-10-23 | 广州彩熠灯光股份有限公司 | Lamp control backup system based on DMX512 protocol and control method thereof |
| CN113891537A (en) * | 2021-10-27 | 2022-01-04 | 广州市雅江光电设备有限公司 | Method, apparatus and medium for simulating digital dimming protocol sequential logic by computer |
| CN113891537B (en) * | 2021-10-27 | 2023-10-20 | 广州市雅江光电设备有限公司 | Method, device and medium for timing logic through computer analog digital dimming protocol |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102573184B (en) | 2014-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102573184B (en) | Lighting fixture control chip, device, system as well as addressing method thereof | |
| TW552510B (en) | Digital addressable lighting interface bridge | |
| CN201585178U (en) | Control device of LED lamp based on DMX512 protocol | |
| TWI444094B (en) | Lighting device controlling chip, apparatus, system and addressing method thereof | |
| CN103731948A (en) | Lamp control chips, device, system and addressing method of lamp control chips | |
| CN201904945U (en) | LED landscape lamp control system | |
| US9578711B2 (en) | LED driver, lighting device and LED based lighting application | |
| US10349481B2 (en) | DALI interface circuit with bootstrap function | |
| WO2013175810A1 (en) | Power line communication system | |
| CN110531998A (en) | A kind of firmware programming method of optical module and optical module | |
| CN101702848B (en) | Monoline driving circuit in series of LED decorative illumination | |
| CN101431446B (en) | Network state indicating circuit | |
| US10874010B2 (en) | Pixel-controlled LED light with burnable sequence and method of operating the same | |
| CN101711076A (en) | DMX512 communication link and method thereof | |
| CN201583940U (en) | Device for indicating running state of network and network terminal | |
| Jenq et al. | An AC LED smart lighting system with white light FSO communication | |
| CN113840420A (en) | Dimming and toning data transmission method and dimming and toning driving circuit | |
| CN101453807B (en) | Lamp light driving device and lighting system thereof | |
| CN211403415U (en) | Type-C interface function testing device | |
| CN201854265U (en) | Circuit used for inter-integrated circuit (IIC) master-slave isolation control | |
| CN216626110U (en) | Dimming control circuit, dimmer, drive circuit and lighting device | |
| US20110101872A1 (en) | Systems and methods for embedding interrupts into a serial data stream | |
| CN215599527U (en) | Control panel with multiple signals | |
| CN218450211U (en) | 5G video transmission device | |
| US11617241B2 (en) | Pixel-controlled LED light string and method of operating the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |