CN116743579B - Backup method of stage lighting signal transmission system - Google Patents
Backup method of stage lighting signal transmission system Download PDFInfo
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- CN116743579B CN116743579B CN202311023078.0A CN202311023078A CN116743579B CN 116743579 B CN116743579 B CN 116743579B CN 202311023078 A CN202311023078 A CN 202311023078A CN 116743579 B CN116743579 B CN 116743579B
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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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/155—Coordinated control of two or more light sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
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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
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- 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
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Abstract
The application discloses a backup method of a stage lighting signal transmission system, which belongs to the technical field of information and is used for solving the problem of interruption of transmission of DMX network data packets of the stage lighting system when main equipment fails, and the backup method comprises the following steps: step S1: the equipment module completes equipment construction and connection; step S2: the fault processing module is used for performing fault processing; step S3: the fault judging module judges faults; step S4: the test module performs backup test on the backup system; according to the application, the backup equipment timely takes over the DMX data transmission when the main equipment fails, so that the situation that the performance is interrupted and the lamplight is abnormal due to the failure of the main equipment is avoided, and the reliability and the stability of the stage lamplight system are improved.
Description
Technical Field
The application belongs to the technical field of information, relates to a DMX data backup technology, and in particular relates to a backup method of a stage lighting signal transmission system.
Background
The transmission of stage lighting signals is realized by transmitting DMX data through a DMX technology, the DMX technology is a multiplexing technology, and a plurality of stage lighting devices are communicated on the same data line by transmitting lighting control signals through a single data line, so that the stage lighting device is widely applied to stage lighting control systems;
the backup method of the traditional stage lighting signal transmission system is to add a signal switcher in a DMX data transmission line to automatically switch two pieces of DMX data from different network decoders so as to prevent one piece of DMX data from being lost.
Disclosure of Invention
Aiming at the defects existing in the prior art, the application aims to provide a backup method of a stage lighting signal transmission system, wherein the backup method synthesizes input/output data of a main/standby DMX network node through a DMX backup line, thereby realizing the purpose that the standby DMX network node takes over the DMX data transmission work of the main DMX network node when the operation of the main DMX network node fails and ensuring the normal work of stage lighting equipment;
in order to achieve the above purpose, the present application is realized by the following technical scheme: a backup method of a stage lighting signal transmission system, the backup method comprising the steps of:
step S1: the equipment module completes equipment construction and connection;
step S11: the network switch acquires a DMX network data packet of the stage lighting signal transmission system;
step S12: the main DMX network node is connected with the network switch through a network interface by utilizing a network cable, the standby DMX network node is connected with the network switch through the network interface by utilizing a network cable, the DMX input interface of the stage equipment 1 is connected with the main DMX network node by utilizing a DMX data line, and the DMX output interface of the stage equipment 1 is connected with the DMX input interface of the next stage equipment by utilizing the DMX data line; the stage equipment is repeatedly connected through the method until the last stage equipment n;
step S13, a DMX output interface of stage equipment n is connected with a DMX interface of a standby DMX network node through a DMX data line, and a connecting line is set as a DMX backup line;
step S2: the fault processing module is used for performing fault processing;
the fault processing module processes faults of the equipment module, wherein the faults comprise first-type faults and second-type faults;
step S21: when the main DMX network node normally operates, a plurality of stage devices between 1 and n complete work by receiving DMX data transmitted by the network switch, wherein the DMX data flow direction of the plurality of stage devices between 1 and n is from stage device end 1 to stage device end n, namely the DMX data are sequentially transmitted from stage device 1 to stage device n;
step S22: when the work of the main DMX network node fails, the standby DMX network node intervenes in the work, wherein the first type of faults comprise network switch faults, main DMX network node faults and network connection faults thereof; the second type of faults comprise faults at a certain point of any one DMX transmission line between a plurality of stage devices between 1 and n, and the points with faults are set to be between stage devices e and f;
step S23: the first type of fault resolution is specifically as follows:
the standby DMX network node is connected with the output end of the stage equipment n by using a DMX backup line, and because the DMX input end and the output end of the stage equipment are in parallel connection, the standby DMX network node acquires network data from a network switch under the condition that a first type of faults occur, and the output DMX data after analysis can be sequentially transmitted to the stage equipment 1 through the stage equipment n, so that the normal operation of the stage equipment is ensured;
step S24: the second type of fault resolution is specifically as follows:
the main DMX network node and the standby DMX network node respectively acquire network data from a network, and respectively output the DMX data to stage equipment after analysis; the main DMX network node transmits the DMX data to the stage equipment 1 to the stage equipment e through the DMX interface, and the DMX data of the main DMX network node cannot be transmitted to n because of faults between e and f; at the moment, the standby DMX network node transmits DMX data to stage equipment n to f through a DMX backup line, so that the normal operation of the stage equipment is ensured;
step S3: the fault judging module judges faults;
the fault judging module is arranged in the main DMX node and the standby DMX node and comprises a time sequence detector, a DMX data delay detector and a level detector;
step S31: respectively acquiring a network switch, a main DMX network node and a plurality of stage devices between 1 and n by using a time sequence detector, a DMX data delay detector and a level detector, and respectively acquiring time sequence data DQ, DMX data delay data DY and level data DX of the network switch, the main DMX network node and a plurality of stage devices of the plurality of stage devices between 1 and n;
step S32: substituting the time sequence data DQ, the DMX data delay data DY and the level data DX into a DMX data quality coefficient calculation formula respectively, wherein the DMX data quality coefficient calculation formula is configured as A=DQ/(DY+DX);
step S33: acquiring DMX data grading data according to a DMX data quality coefficient calculation formula and setting a corresponding threshold value: setting a first quality level when the DMX data quality coefficient A > A1; setting the quality coefficient A of the DMX data to be a second quality level when the quality coefficient A of the DMX data is less than or equal to A1;
step S34: the fault judging module judges the quality of the DMX data of the network switch, the main DMX network node, the standby DMX network node and a plurality of stage equipment DMX data between 1 and n according to the DMX data hierarchical data acquired by the DMX data quality coefficient, specifically, judges that the position detected by the detector has faults when the quality of the DMX data is in a first quality level, judges the faults, and specifically, judges that the first type of faults exist if the network switch faults and the main DMX network node faults that the quality of the DMX data is in the first quality level;
step S35: if the quality among the stage devices between 1 and n is in the first quality level, judging that the stage device is in the second type of fault, and positioning a second type of fault point e, wherein the first type of fault point e is as follows:
calculating a plurality of stage devices between 1 and n respectively by using a formula A=DQ/(DY+DX), acquiring the DMX data quality of each stage device, and if the signal quality of one stage device is in a first quality level, determining that the stage device is in a second type of fault;
step S4: the test module performs backup test on the backup system;
step S41: accessing the equipment module into a stage lighting backup system to simulate first-class faults;
specific: obtaining the DMX data quality of the output end of the main DMX network node, judging that the DMX data quality is in a first quality level by a fault judging module, wherein the backup line is in a first type of fault at the moment, and transmission faults occur in network switch, main DMX network node faults and network connection faults thereof; at the moment, the output end of the standby DMX network node is connected with the input end of stage equipment n, DMX data are transmitted to a plurality of stage equipment between n and 1, and the stage equipment is ensured to normally operate;
step S42: accessing the equipment module into a stage lighting backup system to simulate a second type of faults;
specific: the method comprises the steps that a fault judging module obtains the quality of DMX data of a plurality of stage devices between 1 and n, the fault judging module judges that the quality of the DMX data is in a first quality level, at the moment, the stage devices 1 to n are in a second type of faults, a DMX connection fault occurs between stage devices e and f between the stage devices 1 to n, a simulation fault point is between the stage devices e and f, and a main DMX network node transmits the DMX data to the stage devices 1 to e through normal DMX lines of the stage devices 1 to e; the standby DMX network node transmits DMX data to stage devices n to f through a DMX backup line; that is, signals of stage devices 1 to e are provided by a main DMX network node, the signal flow direction is from stage device 1 to stage device e, signals of stage devices f to n are provided by a standby DMX network node, the signal flow direction is from stage device n to stage device f, and the main and standby DMX network nodes comprehensively ensure that signals of stage devices 1 to n are normal.
Compared with the prior art, the application has the beneficial effects that:
1. according to the application, the reliability of the stage lighting signal transmission system is improved by constructing the backup DMX network node, and when the main stage equipment module fails, the DMX backup module can timely take over the DMX data transmission to ensure the continuous operation of stage lighting.
2. According to the application, the stage lighting signal transmission and backup can be carried out by constructing the DMX backup module, so that the backup of the whole system and the whole elements of the stage lighting control and transmission system can be fully realized, and a new risk point is not added.
Drawings
For the convenience of those skilled in the art, the present application will be further described with reference to the accompanying drawings:
FIG. 1 is a system frame diagram of a backup method of a stage lighting signal transmission system according to the present application;
FIG. 2 is a diagram showing the steps of a backup method of a stage lighting signal transmission system according to the present application;
fig. 3 is a device connection diagram of a backup method of the stage lighting signal transmission system according to the present application.
Detailed Description
The technical solutions of the present application will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1 and 2, a backup method of a stage lighting signal transmission system includes an equipment module, a backup line connection module, a fault judgment module and a test module, wherein the equipment module, the fault processing module, the fault judgment module and the test module are respectively connected with a server;
the equipment module completes equipment construction and connection;
referring to fig. 3, the device module includes two network node stage devices 1 to n of a network switch, a primary DMX network node, and a standby DMX network node.
The network switch acquires a DMX network data packet of the stage lighting signal transmission system;
the main DMX network node is connected with the network switch through a network interface by utilizing a network cable, the standby DMX network node is connected with the network switch through the network interface by utilizing a network cable, the DMX input interface of the stage equipment 1 is connected with the main DMX network node by utilizing a DMX data line, and the DMX output interface of the stage equipment 1 is connected with the DMX input interface of the next stage equipment by utilizing the DMX data line. The stage equipment is repeatedly connected through the method until the last stage equipment n;
the DMX output interface of the stage device n is connected with the DMX interface of the standby DMX network node through a DMX data line, and the connected line is set as a DMX backup line, please refer to fig. 3, so as to form a loop of a network switch- > main DMX network node- > stage device- > standby DMX network node- > network switch.
The fault processing module is used for performing fault processing;
the fault processing module processes faults of the equipment module, wherein the faults comprise a first type of faults and a second type of faults. First backup line connection and backup mode:
referring to fig. 3, when the main DMX network node operates normally, a plurality of stage devices between 1 and n complete work by receiving DMX data transmitted by the network switch, and the DMX data flow directions of the plurality of stage devices between 1 and n are stage device end 1 to stage device end n, that is, DMX data are sequentially transmitted from stage device 1 to stage device n;
when the work of the main DMX network node fails, the standby DMX network node intervenes in the work, wherein the first type of faults comprise network switch faults, main DMX network node faults and network connection faults thereof; the second type of faults comprise faults at a certain point of any one DMX transmission line between a plurality of stage devices between 1 and n, and the points with faults are set to be between stage devices e and f;
the first type of fault resolution is specifically as follows:
and connecting the standby DMX network node with the output end of stage equipment n by using a DMX backup line. Because the DMX input end and the DMX output end of the stage equipment are in parallel connection, under the condition that the first type of faults occur, the standby DMX network node acquires network data from the network switch, and the DMX data which are output after analysis can be sequentially transmitted to the stage equipment 1 through the stage equipment n, so that the normal operation of the stage equipment is ensured.
The second type of fault resolution is specifically as follows:
the main and standby DMX network nodes respectively acquire network data from the network, and respectively output the DMX data to stage equipment after analysis. The main DMX network node transmits the DMX data to the stage equipment 1 to the stage equipment e through the DMX interface, and the DMX data of the main DMX network node cannot be transmitted to n because of faults between e and f. At the moment, the standby DMX network node transmits the DMX data to the stage equipment n to f through the DMX backup line, so that the normal operation of the stage equipment is ensured.
The fault judging module judges faults;
the fault judging module is arranged in the main DMX node and the standby DMX node and comprises a time sequence detector, a DMX data delay detector and a level detector;
respectively acquiring a time sequence detector, a DMX data delay detector and a level detector from a network switch, a main DMX network node and a plurality of stage devices between 1 and n to respectively acquire time sequence data DQ, DMX data delay data DY and level data DX of the network switch, the main DMX network node and a plurality of stage devices between 1 and n;
substituting the time sequence data DQ, the DMX data delay data DY and the level data DX into a DMX data quality coefficient calculation formula respectively, wherein the DMX data quality coefficient calculation formula is configured as A=DQ/(DY+DX);
acquiring DMX data grading data according to a DMX data quality coefficient calculation formula and setting a corresponding threshold value: setting a first quality level when the DMX data quality coefficient A > A1; setting the quality coefficient A of the DMX data to be a second quality level when the quality coefficient A of the DMX data is less than or equal to A1;
the fault judging module judges the quality of the DMX data of the network switch, the main DMX network node, the standby DMX network node and a plurality of stage devices between 1 and n according to the DMX data hierarchical data acquired by the DMX data quality coefficient, specifically, when the quality of the DMX data is in a first quality level, the fault is judged at the position detected by the detector, and the fault is judged in the specific judging mode as follows:
if the network switch fails and the main DMX network node fails and the DMX data quality is in the first quality level, judging that the network switch fails and the main DMX network node fails, judging that the network switch fails in the first type;
if the quality among the stage devices between 1 and n is in the first quality level, judging that the stage device is in the second type of fault, and positioning a second type of fault point e, wherein the first type of fault point e is as follows:
calculating a plurality of stage devices between 1 and n respectively by using a formula A=DQ/(DY+DX), acquiring the DMX data quality of each stage device, and if the signal quality of one stage device is in a first quality level, determining that the stage device is in a second type of fault;
it should be noted that: a1 is a set reference quality grade, A is more than 0 and less than A1, and the DMX data quality corresponding to the first quality grade is lower than the DMX data quality corresponding to the second quality grade.
The test module performs backup test on the backup system;
accessing the equipment module into a stage lighting backup system to simulate first-class faults;
specific: acquiring the DMX data quality of the output end of the main DMX network node, and judging that the DMX data quality is in a first quality level by a fault judging module, wherein the backup line is in a first type of fault, and the specific fault is represented by a transmission fault of a network switch, the main DMX network node fault and a network connection fault thereof; at the moment, the output end of the network switch is connected with the input end of stage equipment n through the standby DMX network node, DMX data are transmitted for a plurality of stage equipment between n and 1, and normal operation of the stage equipment is guaranteed.
Accessing the equipment module into a stage lighting backup system to simulate a second type of faults;
specific: the method comprises the steps that a fault judging module obtains the quality of DMX data of a plurality of stage devices between 1 and n, the fault judging module judges that the quality of the DMX data is in a first quality level, at the moment, the stage devices 1 to n are in a second type of faults, a DMX connection fault occurs between stage devices e and f between the stage devices 1 to n, a simulation fault point is between the stage devices e and f, and a main DMX network node transmits the DMX data to the stage devices 1 to e through normal DMX lines of the stage devices 1 to e; the standby DMX network node transmits DMX data to stage devices n to f through a DMX backup line; that is, signals of stage devices 1 to e are provided by a main DMX network node, the signal flow direction is from stage device 1 to stage device e, signals of stage devices f to n are provided by a standby DMX network node, the signal flow direction is from stage device n to stage device f, and the main and standby DMX network nodes comprehensively ensure that signals of stage devices 1 to n are normal.
The backup method of the stage lighting signal transmission system comprises the following steps:
step S1: the equipment module completes equipment construction and connection;
step S11: the network switch acquires a DMX network data packet of the stage lighting signal transmission system;
step S12: the main DMX network node is connected with the network switch through a network interface by utilizing a network cable, the standby DMX network node is connected with the network switch through the network interface by utilizing a network cable, the DMX input interface of the stage equipment 1 is connected with the main DMX network node by utilizing a DMX data line, and the DMX output interface of the stage equipment 1 is connected with the DMX input interface of the next stage equipment by utilizing the DMX data line. The stage equipment is repeatedly connected through the method until the last stage equipment n;
step S13, the DMX output interface of the stage equipment n is connected with the DMX interface of the standby DMX network node through a DMX data line, and the connected line is set as a DMX backup line.
Step S2: the fault processing module is used for performing fault processing;
the fault processing module is used for carrying out fault processing on faults occurring in the equipment module, wherein the faults comprise a first type of faults and a second type of faults.
Step S21: when the main DMX network node normally operates, a plurality of stage devices between 1 and n complete work by receiving DMX data transmitted by the network switch, wherein the DMX data flow direction of the plurality of stage devices between 1 and n is from stage device end 1 to stage device end n, namely the DMX data are sequentially transmitted from stage device 1 to stage device n;
step S22: when the work of the main DMX network node fails, the standby DMX network node intervenes in the work, wherein the first type of faults comprise network switch faults, main DMX network node faults and network connection faults thereof; the second type of faults comprise faults at a certain point of any one DMX transmission line between a plurality of stage devices between 1 and n, and the points with faults are set to be between stage devices e and f;
step S23: the first type of fault resolution is specifically as follows:
and connecting the standby DMX network node with the output end of stage equipment n by using a DMX backup line. Because the DMX input end and the DMX output end of the stage equipment are in parallel connection, under the condition that the first type of faults occur, the standby DMX network node acquires network data from the network switch, and the DMX data which are output after analysis can be sequentially transmitted to the stage equipment 1 through the stage equipment n, so that the normal operation of the stage equipment is ensured.
Step S24: the second type of fault resolution is specifically as follows:
the main DMX network node and the standby DMX network node respectively acquire network data from a network, and respectively output the DMX data to stage equipment after analysis. The main DMX network node transmits the DMX data to the stage equipment 1 to the stage equipment e through the DMX interface, and the DMX data of the main DMX network node cannot be transmitted to n because of faults between e and f. At the moment, the standby DMX network node transmits the DMX data to the stage equipment n to f through the DMX backup line, so that the normal operation of the stage equipment is ensured.
Step S3: the fault judging module judges faults;
the fault judging module is arranged in the main DMX node and the standby DMX node and comprises a time sequence detector, a DMX data delay detector and a level detector;
step S31: respectively acquiring time sequence data DQ, DMX data delay data DY and level data DX of a network switch, a main DMX network node and a plurality of stage devices between 1 and n through a time sequence detector, a DMX data delay detector and a level detector;
step S32: substituting the time sequence data DQ, the DMX data delay data DY and the level data DX into a DMX data quality coefficient calculation formula respectively, wherein the DMX data quality coefficient calculation formula is configured as A=DQ/(DY+DX);
step S33: acquiring DMX data grading data according to a DMX data quality coefficient calculation formula and setting a corresponding threshold value: setting a first quality level when the DMX data quality coefficient A > A1; setting the quality coefficient A of the DMX data to be a second quality level when the quality coefficient A of the DMX data is less than or equal to A1;
step S34: the fault judging module judges the quality of the DMX data of the network switch, the main DMX network node, the standby DMX network node and a plurality of stage equipment DMX data between 1 and n according to the DMX data hierarchical data acquired by the DMX data quality coefficient, and particularly judges that the network switch fault and the main DMX network node fault are in a first quality level if the DMX data quality is in a first quality level;
step S35: if the quality among the stage devices between 1 and n is in the first quality level, judging that the stage device is in the second type of fault, and positioning a second type of fault point e, wherein the first type of fault point e is as follows:
and respectively calculating a plurality of stage devices between 1 and n by using a formula A=DQ/(DY+DX), acquiring the DMX data quality of each stage device, and if the signal quality of one stage device is in a first quality level, judging that the stage device is in a second type of fault.
Step S4: the test module performs backup test on the backup system;
step S41: accessing the equipment module into a stage lighting backup system to simulate first-class faults;
specific: obtaining the DMX data quality of the output end of the main DMX network node, judging that the DMX data quality is in a first quality level by a fault judging module, wherein a backup line is in a first type of fault at the moment, and a transmission fault occurs among a network switch, the main DMX network node fault and a network connection fault thereof; the output end of the standby DMX network node is connected with the input end of stage equipment n, and DMX data are transmitted to a plurality of stage equipment between n and 1, so that the stage equipment can be ensured to normally operate;
step S42: accessing the equipment module into a stage lighting backup system to simulate a second type of faults;
specific: the method comprises the steps that a fault judging module obtains the quality of DMX data of a plurality of stage devices between 1 and n, the fault judging module judges that the quality of the DMX data is in a first quality level, at the moment, the stage devices 1 to n are in a second type of faults, a DMX connection fault occurs between stage devices e and f between the stage devices 1 to n, a simulation fault point is between the stage devices e and f, and a main DMX network node transmits the DMX data to the stage devices 1 to e through normal DMX lines of the stage devices 1 to e; the standby DMX network node transmits DMX data to stage devices n to f through a DMX backup line; that is, signals of stage devices 1 to e are provided by a main DMX network node, the signal flow direction is from stage device 1 to stage device e, signals of stage devices f to n are provided by a standby DMX network node, the signal flow direction is from stage device n to stage device f, and the main and standby DMX network nodes comprehensively ensure that signals of stage devices 1 to n are normal.
In the application, if a corresponding calculation formula appears, the calculation formulas are all dimensionality-removed and numerical calculation, and the weight coefficient, the proportion coefficient and other coefficients in the formulas are set to be a result value obtained by quantizing each parameter, so long as the proportion relation between the parameter and the result value is not influenced.
The preferred embodiments of the application disclosed above are intended only to assist in the explanation of the application. The preferred embodiments are not intended to be exhaustive or to limit the application to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. The backup method of the stage lighting signal transmission system is characterized in that the transmission system comprises an equipment module, a fault processing module, a fault judging module and a testing module, and comprises the following steps:
the equipment module completes equipment construction and connection, and comprises a network switch, a main DMX network node, a standby DMX network node and a plurality of stage equipment between 1 and n which are correspondingly connected through network cables and DMX data lines;
the fault processing module processes faults, wherein the faults comprise a first type of faults and a second type of faults;
the fault judging module judges faults;
the test module performs backup test on the backup system;
the fault processing module performs fault processing and comprises the following steps:
step S21: when the main DMX network node normally operates, a plurality of stage devices between 1 and n complete work by receiving DMX data transmitted by the network switch, wherein the DMX data flow direction of the plurality of stage devices between 1 and n is from stage device end 1 to stage device end n, namely the DMX data are sequentially transmitted from stage device 1 to stage device n;
step S22: when the work of the main DMX network node fails, the standby DMX network node intervenes in the work, wherein the first type of faults comprise network switch faults, main DMX network node faults and network connection faults thereof; the second type of faults comprise faults at a certain point of any one DMX transmission line between a plurality of stage devices between 1 and n, and the points with faults are set to be between stage devices e and f;
step S23: the first type of fault resolution is specifically as follows:
the standby DMX network node is connected with the output end of the stage equipment n by using the DMX backup line, the standby DMX network node acquires network data from the network switch, and the analyzed and output DMX data can be sequentially transmitted to the stage equipment 1 through the stage equipment n, so that the normal operation of the stage equipment is ensured;
step S24: the second type of fault resolution is specifically as follows:
the main DMX network node and the standby DMX network node respectively acquire network data from a network, and respectively output the DMX data to stage equipment after analysis; the main DMX network node transmits the DMX data to the stage equipment 1 to the stage equipment e through the DMX interface, and the DMX data of the main DMX network node cannot be transmitted to n because of faults between e and f; at the moment, the standby DMX network node transmits DMX data to stage equipment n to f through a DMX backup line, so that the normal operation of the stage equipment is ensured;
step S31: respectively acquiring time sequence data DQ, DMX data delay data DY and level data DX of a network switch, a main DMX network node and a plurality of stage devices between 1 and n by using a time sequence detector, a DMX data delay detector and a level detector;
step S32: substituting the time sequence data DQ, the DMX data delay data DY and the level data DX into a DMX data quality coefficient calculation formula respectively, wherein the DMX data quality coefficient calculation formula is configured as A=DQ/(DY+DX);
step S33: acquiring DMX data grading data according to a DMX data quality coefficient calculation formula and setting a corresponding threshold value: setting a first quality level when the DMX data quality coefficient A > A1; setting the quality coefficient A of the DMX data to be a second quality level when the quality coefficient A of the DMX data is less than or equal to A1;
step S34: the fault judging module judges the quality of the DMX data of the network switch, the main DMX network node, the standby DMX network node and a plurality of stage equipment DMX data between 1 and n according to the DMX data hierarchical data acquired by the DMX data quality coefficient, and particularly judges that the network switch and the main DMX network node are in a first quality level when the quality of the DMX data at the network switch and the main DMX network node is in a first type of fault;
step S35: if the quality among the stage devices between 1 and n is in the first quality level, judging that the stage device is in the second type of fault, and positioning a second type of fault point e, wherein the first type of fault point e is as follows:
and respectively calculating a plurality of stage devices between 1 and n by using a formula A=DQ/(DY+DX), acquiring the DMX data quality of each stage device, and if the signal quality of one stage device is in a first quality level, judging that the stage device is in a second type of fault.
2. The backup method of a stage lighting signal transmission system according to claim 1, wherein the equipment module completes equipment construction and connection, comprising the following steps:
step S11: the network switch acquires a DMX network data packet of the stage lighting signal transmission system;
step S12: the method comprises the steps that a main DMX network node is connected with a network switch through a network interface by utilizing a network cable, a standby DMX network node is connected with the network switch through a network interface by utilizing a network cable, a DMX input interface of stage equipment 1 is connected with the main DMX network node by utilizing a DMX data line, a DMX output interface of stage equipment 1 is connected with a DMX input interface of next stage equipment by utilizing a DMX data line, and the stage equipment is repeatedly connected through the method until the last stage equipment n;
step S13, the DMX output interface of the stage equipment n is connected with the DMX interface of the standby DMX network node through a DMX data line, and the connection line is set to be a DMX backup line.
3. The backup method of stage lighting signal transmission system according to claim 2, wherein the test module performs backup test on the backup system, specifically as follows:
step S41: accessing the equipment module into a stage lighting backup system to simulate first-class faults;
specific: acquiring the DMX data quality of the output end of the main DMX network node, and when the fault judging module judges that the DMX data quality is in a first quality level, the system is in a first type of fault, and the fault is embodied as a network switch, a main DMX network node fault and a network connection fault;
at the moment, starting a standby DMX network node, and conveying DMX data to a plurality of stage devices between n and 1 through a DMX backup line, so that the stage devices are ensured to normally operate;
step S42: accessing the equipment module into a stage lighting backup system to simulate a second type of faults;
specific: the method comprises the steps that a fault judging module obtains the quality of DMX data of a plurality of stage devices between 1 and n, the fault judging module judges that the quality of the DMX data is in a first quality level, at the moment, the stage devices 1 to n are in a second type of faults, a DMX connection fault occurs between stage devices e and f between the stage devices 1 to n, a simulation fault point is between the stage devices e and f, and a main DMX network node transmits the DMX data to the stage devices 1 to e through normal DMX lines of the stage devices 1 to e; the standby DMX network node transmits DMX data to stage devices n to f through a DMX backup line; that is, signals of stage devices 1 to e are provided by a main DMX network node, the signal flow direction is from stage device 1 to stage device e, signals of stage devices f to n are provided by a standby DMX network node, the signal flow direction is from stage device n to stage device f, and the main and standby DMX network nodes comprehensively ensure that signals of stage devices 1 to n are normal.
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