CN111615242B - Lamp, controller and lamp dimming method - Google Patents
Lamp, controller and lamp dimming method Download PDFInfo
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- CN111615242B CN111615242B CN202010492621.1A CN202010492621A CN111615242B CN 111615242 B CN111615242 B CN 111615242B CN 202010492621 A CN202010492621 A CN 202010492621A CN 111615242 B CN111615242 B CN 111615242B
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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]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The embodiment of the invention provides a lamp, a controller and a lamp dimming method, wherein the lamp is connected to an upper computer through the controller in a communication mode and comprises an LED light source and a DMX signal receiving module, and the DMX signal receiving module is matched with the controller to establish a one-way communication connection based on a DMX communication protocol so as to receive a dimming data packet; the self-data acquisition module decodes the dimming data packet to acquire at least two dimming signals corresponding to the identification code of the lamp from the dimming data packet, and each dimming signal contains self-dimming data with a preset digit; the actual data integration module extracts the self dimming data in the dimming signal and combines the self dimming data into actual dimming data in sequence, and the digit of the actual dimming data is equal to the sum of the digits of all the self dimming data; the PWM output module outputs a PWM signal with a corresponding duty ratio according to the actual dimming data; and the driving module outputs driving current to the LED light source according to the duty ratio of the PWM signal and the corresponding relation table of the duty ratio of the PWM signal and the driving current. The embodiment can effectively improve the dimming precision.
Description
Technical Field
The embodiment of the invention relates to the technical field of LED lamp control equipment, in particular to a lamp, a controller and a lamp dimming method.
Background
The existing LED lamps such as LED landscape lamps and the like mainly send dimming data to the lamps based on a DMX512 communication protocol. However, the existing controller based on DMX512 communication protocol can only issue dimming data with short data length, for example: the lamp receives the dimming data of 8 bits, and the dimming data is short in data length and low in adjustment precision, so that obvious step feeling exists in dimming or color adjusting change of the lamp, and dimming is not strong.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a lamp, which can effectively improve the dimming precision.
A further technical problem to be solved by embodiments of the present invention is to provide a controller, which can effectively improve dimming precision.
The embodiment of the invention also aims to solve the technical problem of providing a lamp dimming method which can effectively improve the dimming precision.
In order to solve the above technical problem, an embodiment of the present invention first provides the following technical solutions: a luminaire communicatively connected to an upper computer via a controller, the luminaire comprising:
an LED light source;
the DMX signal receiving module is used for establishing one-way communication connection based on a DMX communication protocol in cooperation with the DMX signal sending module of the controller so as to receive the dimming data packet transmitted by the controller;
the self-data acquisition module is connected with the DMX signal receiving module and used for decoding the dimming data packet to acquire at least two dimming signals corresponding to the identification codes of the lamp from the dimming data packet, and each dimming signal comprises self-dimming data with a preset digit;
the actual data integration module is connected with the self-data extraction module and used for extracting self-dimming data in each dimming signal and combining the self-dimming data according to a preset sequence to form actual dimming data, and the digit of the actual dimming data is the sum of the digits of all the self-dimming data forming the actual dimming data;
the PWM output module is connected with the actual data integration module and used for determining and outputting PWM signals with corresponding duty ratios according to the actual dimming data output by the actual data integration module; and
and the driving module is connected with the PWM output module and the LED light source, is internally provided with a corresponding relation table of PWM signal duty ratio and driving current, and is used for determining and outputting the driving current with corresponding preset magnitude to the LED light source according to the duty ratio of the PWM signal output by the PWM output module and the corresponding relation table of the PWM signal duty ratio and the driving current.
Further, the DMX signal receiving module comprises an RS485 communication circuit adopting a standard DMX communication protocol and an RS485 bus which is connected with the RS485 communication circuit and used for being connected with the controller.
Further, the actual data integration module includes:
the data extraction unit is connected with the self data acquisition module and used for identifying and extracting self dimming data with a preset digit in each dimming signal; and
and the data combination unit is connected with the data extraction unit and is used for combining each self dimming data according to a preset sequence to form the actual dimming data.
On the other hand, in order to solve the above technical problem, the embodiment of the present invention further provides the following technical solutions: a controller is connected between a lamp and an upper computer, and comprises:
the remote communication module is used for carrying out remote communication connection with an upper computer;
the DMX signal sending module is used for establishing one-way communication connection based on a standard DMX communication protocol in cooperation with a DMX signal receiving module of the lamp;
the data generation module is connected with the remote communication module and used for generating actual dimming data according to the control signal sent by the upper computer; and
the data processing module is connected with the data generation module and the DMX signal sending module and used for splitting the actual dimming data to form at least two dimming signals corresponding to the identification codes of each lamp, packaging the dimming signals to form a dimming data packet, and then sending the dimming data packet to the lamps through the DMX signal sending module, wherein each dimming signal comprises self dimming data with a preset digit, and the sum of the digits of all the self dimming data forming the actual dimming data is equal to the digit of the actual dimming data.
Further, the dimming data packet is a DMX data packet.
In another aspect, to solve the above technical problem, an embodiment of the present invention further provides the following technical solutions: a method of dimming a luminaire, comprising the steps of:
establishing a one-way communication connection based on a DMX communication protocol with the controller to receive a dimming data packet transmitted by the controller;
decoding the dimming data packet to obtain at least two dimming signals corresponding to the identification code of the lamp, wherein each dimming signal comprises self dimming data with a preset digit;
extracting self-dimming data in each dimming signal and combining the self-dimming data according to a preset sequence to form actual dimming data, wherein the digit of the actual dimming data is the sum of the digits of all the self-dimming data forming the actual dimming data;
determining and outputting a PWM signal with a corresponding duty ratio according to the actual dimming data; and
and determining and outputting the driving current with the corresponding preset size to the LED light source according to the duty ratio of the PWM signal and the corresponding relation table of the duty ratio of the PWM signal and the driving current.
Furthermore, the one-way communication connection is realized by an RS485 communication circuit and an RS485 bus which adopt a standard DMX communication protocol.
Further, the extracting the self dimming data in each of the dimming signals and combining the self dimming data in a predetermined order to form actual dimming data includes:
identifying and extracting self-dimming data of a predetermined number of bits in each dimming signal; and
and combining each self dimming data according to a preset sequence to form the actual dimming data.
On the other hand, in order to solve the above technical problem, an embodiment of the present invention further provides the following technical solutions: a method of dimming a luminaire, comprising the steps of:
establishing remote communication connection with an upper computer;
establishing one-way communication connection based on a standard DMX communication protocol with the lamp;
generating actual dimming data according to a control signal sent by an upper computer;
the actual dimming data are split to form at least two dimming signals corresponding to the identification codes of each lamp, the dimming signals are packaged to form dimming data packets, the dimming data packets are issued to the lamps based on the unidirectional communication connection, each dimming signal contains self dimming data with preset digits, and the sum of the digits of all the self dimming data forming the actual dimming data is equal to the digits of the actual dimming data.
Further, the dimming data packet is a DMX data packet.
After the technical scheme is adopted, the embodiment of the invention at least has the following beneficial effects: in the embodiment of the invention, the DMX signal receiving module receives the dimming data packet transmitted by the controller, the self data acquisition module acquires at least two dimming signals corresponding to the identification code of the lamp from the dimming data packet, then the actual data integration module extracts the self-dimming data in each dimming signal and combines the self-dimming data according to a preset sequence to form actual dimming data, each dimming signal includes self-dimming data having a predetermined number of bits, and the number of bits of the actual dimming data is the sum of the number of bits of all the self-dimming data constituting the actual dimming data, effectively improves the data length of the actual dimming data, finally outputs PWM signals with corresponding duty ratio according to the actual dimming data through the PWM output module, and the driving module outputs the driving current with the corresponding preset magnitude to the LED light source, so that the dimming precision is improved.
Drawings
Fig. 1 is a block diagram of a lamp according to an alternative embodiment of the present invention connected to a controller.
Fig. 2 is a schematic block diagram of a DMX signal receiving module according to an alternative embodiment of the lamp of the present invention.
Fig. 3 is a schematic block diagram of an actual data integration module of an alternative embodiment of the lamp according to the present invention.
Fig. 4 is a flowchart illustrating steps of an alternative embodiment of a lamp dimming method according to the present invention.
Fig. 5 is a detailed flowchart of step S13 of an alternative embodiment of the lamp dimming method according to the present invention.
Fig. 6 is a flowchart illustrating steps of a lamp dimming method according to yet another alternative embodiment of the present invention.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings and specific examples. It should be understood that the following illustrative embodiments and description are only intended to explain the present invention, and are not intended to limit the present invention, and features of the embodiments and examples in the present application may be combined with each other without conflict.
As shown in fig. 1, an alternative embodiment of the present invention provides a lamp, where the lamp 1 is communicatively connected to an upper computer 5 via a controller 3, and the lamp 1 includes:
an LED light source 10;
the DMX signal receiving module 11 is configured to establish a unidirectional communication connection based on a DMX communication protocol in cooperation with the DMX signal sending module 32 of the controller 3 to receive a dimming data packet transmitted from the controller 3;
a self-data obtaining module 12, connected to the DMX signal receiving module 11, for decoding the dimming data packet to obtain at least two dimming signals corresponding to the identification code of the lamp 1, where each dimming signal includes self-dimming data with a predetermined number of bits;
an actual data integration module 13, connected to the self-data extraction module 12, configured to extract self-dimming data in each dimming signal and combine the self-dimming data according to a predetermined sequence to form actual dimming data, where a bit number of the actual dimming data is a sum of bit numbers of all the self-dimming data constituting the actual dimming data;
the PWM output module 14 is connected to the actual data integration module 13, and configured to determine and output a PWM signal with a corresponding duty ratio according to the actual dimming data output by the actual data integration module 13;
and the driving module 15 is connected with the PWM output module 14 and the LED light source 10, is provided with a PWM signal duty ratio and driving current correspondence table in the driving module, and is configured to determine and output driving current of a corresponding predetermined magnitude to the LED light source 10 according to the duty ratio of the PWM signal output by the PWM output module 14 and the PWM signal duty ratio and driving current correspondence table.
In the embodiment of the invention, the DMX signal receiving module 11 receives the dimming data packet transmitted by the controller 3, the self data acquiring module 12 acquires at least two dimming signals corresponding to the identification code of the lamp 1 from the dimming data packet, the actual data integrating module 13 extracts the self dimming data in each dimming signal and combines the self dimming data according to a predetermined sequence to form actual dimming data, each dimming signal comprises self dimming data with a predetermined digit, in addition, the digit of the actual dimming data is the sum of the digits of all the self dimming data forming the actual dimming data, the data length of the actual dimming data is effectively improved, finally, the PWM output module 14 outputs PWM signals with corresponding duty ratios according to the actual dimming data, and the driving module 15 outputs driving current with corresponding predetermined magnitude to the LED light source 10, the light adjusting precision is improved. For example: two dimming signals corresponding to the identification code of the lamp 1 are obtained from the dimming data packet, and the two dimming signals are respectively: 10101011100 and 11011010100, wherein each dimming signal is 11 bytes of data, the first bit of each dimming signal is a start bit, the second to ninth bits are 8 bytes of the self dimming data, and the tenth and eleventh bits are stop bits, so that the actual dimming data at this time is 0101011110110101, i.e., 16 bytes, in a predetermined order.
In an alternative embodiment of the present invention, as shown in fig. 2, the DMX signal receiving module 11 includes an RS485 communication circuit 110 using a standard DMX communication protocol, and an RS485 bus 112 connected to the RS485 communication circuit 110 and configured to be connected to the controller 3. In this embodiment, the RS485 communication circuit 110 adopting the standard DMX communication protocol is arranged in the DMX signal receiving module 11, and the RS485 communication circuit 110 is connected to the controller 3 through the RS485 bus 112, so that the communication reliability can be effectively improved.
In yet another alternative embodiment of the present invention, as shown in fig. 3, the actual data integration module 13 includes:
the data extraction unit 131 is connected to the self-data acquisition module 12, and is configured to identify and extract self-dimming data with a predetermined number of bits in each dimming signal; and
and a data combining unit 133 connected to the data extracting unit 131, for combining each of the self dimming data according to a predetermined sequence to form the actual dimming data.
In the embodiment of the invention, the data extraction unit 131 identifies and extracts the self-dimming data with the predetermined digit in each dimming signal, and the data combination unit 133 combines each self-dimming data according to the predetermined sequence to form the actual dimming data, so that the data processing efficiency is high, and the actual dimming data can be effectively combined.
On the other hand, as shown in fig. 1, an embodiment of the present invention further provides a controller 3, connected between a lamp 1 and an upper computer 5, where the controller 3 includes:
the remote communication module 30 is used for carrying out remote communication connection with the upper computer 5;
the DMX signal sending module 32 is configured to cooperate with the DMX signal receiving module 11 of the lamp 1 to establish a one-way communication connection based on a standard DMX communication protocol;
the data generation module 34 is connected with the remote communication module 30 and used for generating actual dimming data according to the control signal sent by the upper computer 5; and
and the data processing module 36 is connected to the data generating module 34 and the DMX signal transmitting module 32, and is configured to split the actual dimming data to form at least two dimming signals corresponding to the identification codes of each lamp 1, package the dimming signals to form a dimming data packet, and issue the dimming data packet to the lamps 1 through the DMX signal transmitting module 32, where each dimming signal includes self dimming data with a predetermined number of bits, and a sum of the number of bits of all the self dimming data constituting the actual dimming data is equal to the number of bits of the actual dimming data.
According to the embodiment of the invention, the remote communication module 30 is in remote communication connection with the upper computer 5, actual dimming data is generated according to a control signal sent by the upper computer 5, the data processing module 36 splits the actual dimming data into at least two dimming signals corresponding to the identification code of each lamp 1, the dimming signals are packaged into a dimming data packet, the dimming data packet is sent to the lamps 1 through the DMX signal sending module 32, each dimming signal comprises self dimming data with preset digits, the sum of the digits of all the self dimming data forming the actual dimming data is equal to the digits of the actual dimming data, and the dimming accuracy is improved.
In an optional embodiment of the present invention, the dimming data packet is a DMX data packet. In this embodiment, the dimming data packet is set as the DMX data packet, which facilitates the transmission and processing of the controller 3 and the lamp 1.
In another aspect, as shown in fig. 4, an embodiment of the present invention further provides a lamp dimming method, including the following steps:
s11: establishing a one-way communication connection based on a DMX communication protocol with the controller 3 to receive the dimming data packet transmitted from the controller 3;
s12: decoding the dimming data packet to obtain at least two dimming signals corresponding to the identification code of the lamp 1, wherein each dimming signal comprises self dimming data with a preset digit;
s13: extracting self-dimming data in each dimming signal and combining the self-dimming data according to a preset sequence to form actual dimming data, wherein the digit of the actual dimming data is the sum of the digits of all the self-dimming data forming the actual dimming data;
s14: determining and outputting a PWM signal with a corresponding duty ratio according to the actual dimming data; and
s15: and determining and outputting the driving current with the corresponding preset magnitude to the LED light source 10 according to the duty ratio of the PWM signal and the corresponding relation table of the duty ratio of the PWM signal and the driving current.
According to the embodiment of the invention, by the method, the dimming data packet transmitted by the controller 3 is received, at least two dimming signals corresponding to the identification code of the lamp 1 are obtained from the dimming data packet, then the dimming data in each dimming signal is extracted and combined according to the preset sequence to form actual dimming data, each dimming signal comprises the dimming data with the preset digit, in addition, the digit of the actual dimming data is the sum of the digits of all the dimming data forming the actual dimming data, the data length of the actual dimming data is effectively improved, finally, the PWM signal with the corresponding duty ratio is output according to the actual dimming data, the driving current with the corresponding preset size is output to the LED light source 10, and the dimming precision is improved.
In an alternative embodiment of the present invention, the unidirectional communication connection is implemented by using the RS485 communication circuit 110 and the RS485 bus 112 of the standard DMX communication protocol. In this embodiment, the RS485 communication circuit 110 and the RS485 bus 112 adopting the standard DMX communication protocol can respectively realize unidirectional communication connection, thereby effectively improving communication reliability.
In another alternative embodiment of the present invention, as shown in fig. 5, the step S13 specifically includes:
s131: identifying and extracting self-dimming data of a predetermined number of bits in each dimming signal; and
s132: and combining each self-dimming data according to a preset sequence to form the actual dimming data.
According to the embodiment of the invention, through the method, the self dimming data with the preset digit in each dimming signal is identified and extracted, and then each self dimming data is combined according to the preset sequence to form the actual dimming data, so that the data processing efficiency is high, and the actual dimming data can be effectively combined.
In another aspect, as shown in fig. 6, an embodiment of the present invention further provides a lamp dimming method, including the following steps:
s21 a: establishing remote communication connection with the upper computer 5;
s21 b: establishing one-way communication connection based on a standard DMX communication protocol with the lamp 1;
s22: generating actual dimming data according to a control signal sent by the upper computer 5;
s23: the actual dimming data are split to form at least two dimming signals corresponding to the identification codes of each lamp 1, the dimming signals are packaged to form dimming data packets, the dimming data packets are issued to the lamps 1 based on the unidirectional communication connection, each dimming signal contains self dimming data with preset digits, and the sum of the digits of all the self dimming data forming the actual dimming data is equal to the digits of the actual dimming data.
According to the method, the actual dimming data are generated according to the control signals sent by the upper computer 5, the actual dimming data are further split into at least two dimming signals corresponding to the identification codes of the lamps 1, the dimming signals are packaged to form the dimming data packets, the dimming data packets are sent to the lamps 1, each dimming signal comprises the dimming data with the preset digits, the sum of the digits of all the dimming data forming the actual dimming data is equal to the digits of the actual dimming data, and the dimming accuracy is improved. In addition, it is understood that steps S21a and S21b are not in sequence, and step S21 is composed of steps S21a and S21 b.
In an optional embodiment of the present invention, the dimming data packet is a DMX data packet. In this embodiment, the dimming data packet is set as the DMX data packet, which facilitates the transmission and processing of the controller 3 and the lamp 1.
The functions described in the embodiments of the present invention may be stored in a storage medium readable by a computing device if they are implemented in the form of software functional modules or units and sold or used as independent products. Based on such understanding, part of the technical solutions or parts of the technical solutions that contribute to the prior art according to the embodiments of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions to enable a computing device (which may be a personal computer, a server, a mobile computing device, or a network device) to execute all or part of the steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a lamp, lamp is connected to the host computer via the controller communication, lamp includes the LED light source, its characterized in that: the luminaire further comprises:
the DMX signal receiving module is used for establishing one-way communication connection based on a DMX communication protocol in cooperation with the DMX signal sending module of the controller so as to receive the dimming data packet transmitted by the controller;
the self-data acquisition module is connected with the DMX signal receiving module and used for decoding the dimming data packet to acquire at least two dimming signals corresponding to the identification codes of the lamp from the dimming data packet, and each dimming signal comprises self-dimming data with a preset digit;
the actual data integration module is connected with the self-data extraction module and used for extracting self-dimming data in each dimming signal and combining the self-dimming data according to a preset sequence to form actual dimming data, and the digit of the actual dimming data is the sum of the digits of all the self-dimming data forming the actual dimming data;
the PWM output module is connected with the actual data integration module and used for determining and outputting PWM signals with corresponding duty ratios according to the actual dimming data output by the actual data integration module; and
and the driving module is connected with the PWM output module and the LED light source, is internally provided with a corresponding relation table of PWM signal duty ratio and driving current, and is used for determining and outputting the driving current with corresponding preset magnitude to the LED light source according to the duty ratio of the PWM signal output by the PWM output module and the corresponding relation table of the PWM signal duty ratio and the driving current.
2. The lamp of claim 1, wherein the DMX signal receiving module comprises an RS485 communication circuit using a standard DMX communication protocol and an RS485 bus connected to the RS485 communication circuit and configured to connect to a controller.
3. The luminaire of claim 1, wherein the actual data integration module comprises:
the data extraction unit is connected with the self data acquisition module and used for identifying and extracting self dimming data with a preset digit in each dimming signal; and
and the data combination unit is connected with the data extraction unit and is used for combining each self dimming data according to a preset sequence to form the actual dimming data.
4. The utility model provides a controller, connects between lamps and lanterns and host computer, its characterized in that, the controller includes:
the remote communication module is used for carrying out remote communication connection with an upper computer;
the DMX signal sending module is used for establishing one-way communication connection based on a standard DMX communication protocol in cooperation with a DMX signal receiving module of the lamp;
the data generation module is connected with the remote communication module and used for generating actual dimming data according to the control signal sent by the upper computer;
the data processing module is connected with the data generation module and the DMX signal sending module and used for splitting the actual dimming data to form at least two dimming signals corresponding to the identification codes of each lamp, packaging the dimming signals to form a dimming data packet, and then sending the dimming data packet to the lamps through the DMX signal sending module, wherein each dimming signal comprises self dimming data with a preset digit, and the sum of the digits of all the self dimming data forming the actual dimming data is equal to the digit of the actual dimming data.
5. The controller of claim 4, wherein the dimming packets are DMX packets.
6. A lamp dimming method is characterized by comprising the following steps:
establishing a one-way communication connection based on a DMX communication protocol with the controller to receive a dimming data packet transmitted by the controller;
decoding the dimming data packet to obtain at least two dimming signals corresponding to the identification code of the lamp, wherein each dimming signal comprises self dimming data with a preset digit;
extracting self-dimming data in each dimming signal and combining the self-dimming data according to a preset sequence to form actual dimming data, wherein the digit of the actual dimming data is the sum of the digits of all the self-dimming data forming the actual dimming data;
determining and outputting a PWM signal with a corresponding duty ratio according to the actual dimming data; and
and determining and outputting the driving current with the corresponding preset size to the LED light source according to the duty ratio of the PWM signal and the corresponding relation table of the duty ratio of the PWM signal and the driving current.
7. The method of claim 6, wherein the unidirectional communication link is implemented via an RS485 communication circuit and an RS485 bus using a standard DMX communication protocol.
8. The luminaire dimming method of claim 6, wherein the extracting and combining the self-dimming data in each of the dimming signals into the actual dimming data in a predetermined order comprises:
identifying and extracting self-dimming data of a predetermined number of bits in each dimming signal; and
and combining each self-dimming data according to a preset sequence to form the actual dimming data.
9. A lamp dimming method is characterized by comprising the following steps:
establishing remote communication connection with an upper computer;
establishing one-way communication connection based on a standard DMX communication protocol with the lamp;
generating actual dimming data according to a control signal sent by an upper computer;
the actual dimming data are split to form at least two dimming signals corresponding to the identification codes of each lamp, the dimming signals are packaged to form dimming data packets, the dimming data packets are issued to the lamps based on the unidirectional communication connection, each dimming signal contains self dimming data with preset digits, and the sum of the digits of all the self dimming data forming the actual dimming data is equal to the digits of the actual dimming data.
10. The luminaire dimming method of claim 9, wherein the dimming data packet is a DMX data packet.
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