CN110650575A - Lamp, controller, lamp system and lamp monitoring method - Google Patents
Lamp, controller, lamp system and lamp monitoring method Download PDFInfo
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- CN110650575A CN110650575A CN201911099361.5A CN201911099361A CN110650575A CN 110650575 A CN110650575 A CN 110650575A CN 201911099361 A CN201911099361 A CN 201911099361A CN 110650575 A CN110650575 A CN 110650575A
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Abstract
The embodiment of the invention provides a lamp, a controller, a lamp system and a lamp monitoring method, wherein the lamp comprises an LED light source; the RDM data receiving module is used for establishing a first RDM unidirectional data channel based on a standard RDM communication protocol with the controller; the first communication module is used for establishing a second RDM unidirectional data channel based on an RDM communication protocol with an adjacent lamp or controller on the downstream side of the RDM communication signal flow; the second communication module is used for establishing a second RDM unidirectional data channel based on an RDM communication protocol with the adjacent lamp positioned on the upstream side of the RDM communication signal flow; the monitoring module is used for detecting the working state of the LED light source and generating the lamp monitoring data; and the data processor is used for respectively controlling the LED light source to emit light and detecting the working state of the LED light source, and then sending the feedback data of the lamp and all lamps on the upstream side to the adjacent lamps or controllers on the downstream side of the RDM communication signal flow. The embodiment improves the stability of signal transmission.
Description
Technical Field
The embodiment of the invention relates to the technical field of lamp equipment, in particular to a lamp, a controller, a lamp system and a lamp monitoring method.
Background
In order to realize real-time monitoring of the working state of the lamp, the existing landscape lamp is mainly designed based on a Remote Device Management (RDM) communication protocol, and is respectively connected with a first RDM communication module and a second RDM communication module of the lamp and the controller through two-way communication, the lamp respectively controls the light emitting of the LED light source and controls a monitoring module inside the lamp to detect the working state of the LED light source according to a light control instruction and a monitoring instruction sent from the second RDM communication module to the first RDM communication module, and sends monitoring data and an identification code of the lamp to the controller through the first RDM communication module. However, in the above method, the light control command, the monitoring command and the monitoring data sent to the LED light source by the controller are all in the same transmission line, and the transmission between signals is easily interfered, which affects the stability of the light control command, the monitoring command and the monitoring data.
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 stability of control instructions and monitoring data.
A further technical problem to be solved in the embodiments of the present invention is to provide a controller, which can effectively improve the stability of control instructions and monitoring data.
A further technical problem to be solved in the embodiments of the present invention is to provide a lamp system, which can effectively improve the stability of control instructions and monitoring data.
The embodiment of the invention further aims to solve the technical problem of providing a lamp monitoring method which can effectively improve the stability of control instructions and monitoring data.
In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: a light fixture, the light fixture comprising:
an LED light source;
the RDM data receiving module is used for establishing a first RDM one-way data channel based on a standard RDM communication protocol with the controller so as to receive a light control instruction and a monitoring instruction transmitted by the controller;
the first communication module is used for establishing a second RDM unidirectional data channel based on an RDM communication protocol with the lamps or controllers adjacent to the downstream side of the RDM communication signal flow and establishing a DMX unidirectional data channel based on a DMX communication protocol with the lamps or controllers adjacent to the upstream side of the DMX communication signal flow so as to receive the identification codes transmitted by the lamps or controllers at the upstream side;
the second communication module is used for establishing a second RDM unidirectional data channel based on an RDM communication protocol with the lamp adjacent to the upstream side of the RDM communication signal flow so as to receive feedback data transmitted by the lamp at the upstream side and establishing a DMX unidirectional data channel based on a DMX communication protocol with the lamp adjacent to the downstream side of the DMX communication signal flow;
the monitoring module is used for detecting the working state of the LED light source and correspondingly generating the lamp monitoring data;
the storage is used for storing the identification code which is uniquely corresponding to the lamp;
the data processor is respectively connected with the RDM data receiving module, the first communication module, the second communication module, the monitoring module and the memory, used for respectively controlling the LED light source to emit light according to the light control instruction and the monitoring instruction received by the RDM data receiving module, controlling the monitoring module to detect the working state of the LED light source and writing the identification code of the lamp into a memory according to the identification code of the lamp received by the first communication module, and the monitoring data of the lamp and the identification code of the lamp are correlated to form the feedback data of the lamp, and the identification codes of the lamps on the downstream side of the DMX communication signal flow are sent to the lamps adjacent to the downstream side through the second communication module, and then the feedback data of the lamp and all the lamps on the upstream side are sent to the lamps adjacent to the downstream side of the RDM communication signal flow or the controller through the first communication module.
Further, the RDM data receiving module comprises an RS485 communication circuit adopting a standard RDM communication protocol and an RS485 bus which is connected with the RS485 communication circuit and used for being connected with the controller.
Further, the monitoring module comprises at least one of the following monitoring units:
the device comprises a voltage monitoring unit, a current monitoring unit and a temperature monitoring unit.
On the other hand, in order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: a controller, comprising:
the remote communication module is used for carrying out remote bidirectional communication connection with an upper computer;
the RDM data sending module is used for establishing an RDM one-way data channel based on an RDM communication protocol with the lamp;
the third communication module is used for establishing a DMX one-way data channel based on a DMX communication protocol with the lamp to send the identification code of the lamp and establishing a first RDM one-way data channel based on a standard RDM communication protocol with the lamp to receive feedback data transmitted by the lamp;
the command module is used for generating a monitoring command according to the control signal sent by the upper computer and sending the monitoring command to the lamp through the RDM data sending module;
and the data processing module is used for packaging the feedback data received by the third communication module to form a feedback data packet and uploading the feedback data packet to the upper computer through the remote communication module, wherein the feedback data packet is a return-to-zero code data packet.
In another aspect, to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: a lamp system comprises a plurality of lamps which are sequentially connected in series, a controller connected to one end of a series body formed by the lamps, and an upper computer in communication connection with the controller, wherein the lamps are any one of the lamps, the controller is the controller, the controller and each lamp form a first RDM one-way data channel which is based on a standard RDM communication protocol and transmits data to the lamps in a one-way mode from the controller, the controller and the lamps form a second RDM one-way data channel which is based on the RDM communication protocol and transmits data to the controller in a one-way mode from the lamps at one end far away from the controller, the controller and the lamps form a DMX one-way data channel which is based on a DMX communication protocol and transmits data to the lamps in a one-way mode from the controller, and each lamp obtains a light control instruction and a monitoring instruction through the first RDM one-way data channel to control the LED light source to emit light and control the monitoring module to detect the data And measuring the working state of the LED light source, acquiring the identification code of the lamp through the DMX unidirectional data channel, and sending the feedback data of the lamp and all lamps on the upstream side to the lamps or controllers adjacent on the downstream side through the second RDM unidirectional data channel.
In another aspect, to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: a lamp monitoring method comprises the following steps:
establishing a first RDM one-way data channel based on a standard RDM communication protocol with a controller;
establishing a second RDM unidirectional data channel based on an RDM communication protocol with the adjacent lamp or controller on the downstream side of the RDM communication signal flow;
establishing a DMX one-way data channel based on a DMX communication protocol with a lamp or a controller adjacent to the upstream side of the DMX communication signal flow;
establishing a second RDM unidirectional data channel based on an RDM communication protocol with the adjacent lamp positioned on the upstream side of the RDM communication signal flow;
establishing a DMX one-way data channel based on a DMX communication protocol with an adjacent lamp positioned on the downstream side of the DMX communication signal flow;
receiving a light control instruction and a monitoring instruction sent by a controller based on the first RDM unidirectional data channel;
receiving an identity identification code transmitted from a controller based on the DMX unidirectional data channel;
controlling the LED light source to emit light according to the light control instruction, monitoring the LED light source according to the monitoring instruction, generating lamp monitoring data corresponding to the LED light source, and writing the identification code of the lamp into a memory according to the identification code;
and correlating the lamp monitoring data with the identification code of the lamp to form feedback data of the lamp, and sending the feedback data of the lamp and all lamps on the upstream side to adjacent lamps or controllers on the downstream side of the RDM communication signal stream on the basis of the feedback data of the lamp and all lamps on the upstream side.
Furthermore, the first RDM unidirectional data channel is realized by an RS485 communication circuit and an RS485 bus which adopt a standard RDM communication protocol.
Further, the monitoring data comprises monitoring data formed by monitoring at least one of the following parameters of the LED light source: voltage, current, and temperature.
In another aspect, to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: a luminaire monitoring method comprising the steps of:
establishing remote communication connection with an upper computer;
establishing a first RDM one-way data channel based on a standard RDM communication protocol with a lamp;
establishing a DMX one-way data channel based on a DMX communication protocol with the lamp;
establishing a second RDM unidirectional data channel based on a standard RDM communication protocol with the lamp;
generating a monitoring instruction according to a control signal sent by an upper computer and sending the monitoring instruction to a lamp based on a first RDM unidirectional data channel;
sending the identification code to the lamp based on the DMX unidirectional data channel;
receiving feedback data transmitted by the lamp based on the second RDM unidirectional data channel;
and packaging the feedback data to form a feedback data packet and uploading the feedback data packet to an upper computer based on the remote communication connection, wherein the feedback data packet is a return-to-zero data packet.
On the other hand, in order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: a luminaire monitoring method comprising the steps of:
enabling the controller and each lamp to form a first RDM unidirectional data channel which is based on a standard RDM communication protocol and transmits data to the lamps in a unidirectional mode from the controller;
the controller and the lamps form a second RDM unidirectional data channel which is based on an RDM communication protocol and sequentially transmits data in a unidirectional mode from the lamp at one end far away from the controller to the controller;
enabling the controller and the plurality of lamps to form a DMX unidirectional data channel which is based on a DMX communication protocol and transmits data to the lamps in a unidirectional mode from the controller;
each lamp acquires a light control instruction and a monitoring instruction through the RDM unidirectional data channel to control the LED light source to emit light, detects the working state of the LED light source and generates feedback data of the lamp;
each lamp acquires the identification code of the lamp through the DMX unidirectional data channel;
and each lamp sends the feedback data of the lamp and all lamps on the upstream side to the lamps or controllers adjacent on the downstream side through the second RDM unidirectional data channel.
After the technical scheme is adopted, the embodiment of the invention at least has the following beneficial effects: the embodiment of the invention is characterized in that an RDM data receiving module, a first communication module and a second communication module are arranged in a lamp, the LED light source is controlled to emit light respectively according to a light control instruction and a monitoring instruction received by the RDM data receiving module, the monitoring module is controlled to detect the working state of the LED light source, the identification code of the lamp received by the first communication module is written into a memory, the monitoring data of the lamp and the identification code of the lamp are correlated to form the feedback data of the lamp, the identification code of the lamp on the downstream side of a DMX communication signal flow is sent to the lamp adjacent to the downstream side through the second communication module, the feedback data of the lamp and all lamps on the upstream side are sent to the lamp adjacent to the downstream side or a controller through the first communication module until the feedback data are transmitted to the controller, and the identification code data and the feedback data can be transmitted simultaneously, the working state of the lamp can be monitored in real time without adding an additional communication loop, and the light control instruction, the monitoring instruction and the monitoring data are transmitted through different lines, so that the stability of signal transmission is improved.
Drawings
Fig. 1 is a block diagram of an alternative embodiment of a lamp system of the present invention.
Fig. 2 is a block diagram of an RDM data receiving module of an alternative embodiment of the luminaire of the present invention.
Fig. 3 is a block diagram of a monitoring module of an alternative embodiment of the luminaire of the present invention.
Fig. 4 is a schematic flow chart of an alternative embodiment of the luminaire monitoring method according to the present invention.
Fig. 5 is a schematic flow chart of a luminaire monitoring method according to yet another alternative embodiment of the present invention.
Fig. 6 is a schematic flow chart of a lamp monitoring method according to still 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.
For convenience of description, the related technical terms are first defined as follows: according to the flowing direction of the communication signals, the signals flow through the upstream side first, and the signals flow through the downstream side later. It is understood that the upstream side and the downstream side are both opposite, and that one of the lamps in the signal flow is the upstream side with respect to the lamp 1 on the downstream side, but is the downstream side with respect to the lamp 1 on the upstream side.
As shown in fig. 1, an alternative embodiment of the present invention provides a lamp, where the lamp 1 includes:
an LED light source 10;
the RDM data receiving module 11 is used for establishing a first RDM one-way data channel based on a standard RDM communication protocol with the controller 3 so as to receive a light control instruction and a monitoring instruction transmitted by the controller 3;
the first communication module 12 is configured to establish a second RDM unidirectional data channel based on an RDM communication protocol with the lamp 1 or the controller 3 adjacent to the downstream side of the RDM communication signal flow and establish a DMX unidirectional data channel based on a DMX communication protocol with the lamp 1 or the controller 3 adjacent to the upstream side of the DMX communication signal flow to receive the identification code transmitted from the lamp 1 or the controller 3 on the upstream side;
the second communication module 13 is configured to establish a second RDM unidirectional data channel based on the RDM communication protocol with the lamp 1 located adjacent to the upstream side of the RDM communication signal stream to receive feedback data transmitted from the lamp 1 located on the upstream side and establish a DMX unidirectional data channel based on the DMX communication protocol with the lamp 1 located adjacent to the downstream side of the DMX communication signal stream;
the monitoring module 14 is used for detecting the working state of the LED light source 10 and correspondingly generating monitoring data of the lamp 1;
the memory 15 is used for storing the identification code uniquely corresponding to the lamp 1;
a data processor 16 respectively connected with the RDM data receiving module 11, the first communication module 12, the second communication module 13, the monitoring module 14 and the memory 15, for respectively controlling the LED light source 10 to emit light according to the light control instruction and the monitoring instruction received by the RDM data receiving module 11, controlling the monitoring module 14 to detect the operating state of the LED light source 10, and writing the id code of the lamp 1 received by the first communication module 12 into the memory 15, and the monitoring data of the lamp 1 and the identification code of the lamp 1 are correlated to form the feedback data of the lamp 1, and the identification code of the lamp 1 on the downstream side of the DMX communication signal flow is sent to the lamp 1 adjacent on the downstream side through the second communication module 13, and then the feedback data of the lamp 1 and all lamps 1 on the upstream side are sent to the lamp 1 adjacent on the downstream side of the RDM communication signal flow or the controller 3 through the first communication module 12.
In the embodiment of the invention, the RDM data receiving module 11, the first communication module 12 and the second communication module 13 are arranged in the lamp 1, the LED light source 10 is controlled to emit light and the monitoring module 14 is controlled to detect the working state of the LED light source 10 according to the light control instruction and the monitoring instruction received by the RDM data receiving module 11, the identification code of the lamp 1 received by the first communication module 12 is written into the memory 15, the monitoring data of the lamp 1 and the identification code of the lamp 1 are associated to form the feedback data of the lamp 1, the identification code of the lamp 1 on the downstream side of the DMX communication signal flow is sent to the lamp 1 adjacent on the downstream side through the second communication module 13, the feedback data of the lamp 1 and all lamps 1 on the upstream side are sent to the lamp 1 adjacent on the downstream side or the controller 3 through the first communication module 12, until the lamp light control command is transmitted to the controller 3, the identification code data is transmitted, the identification code data and the feedback data can be transmitted simultaneously, the working state of the lamp can be monitored in real time without adding an additional communication loop, the lamp light control command, the monitoring command and the monitoring data are transmitted through different lines, and the stability of signal transmission is improved.
In specific implementation, it can be understood that the first communication module 12 and the second communication module 13 in the lamp 1 are usually implemented by using a DMX address line of the lamp 1, and by using the DMX address line of the lamp 1, the controller 3 can write a DMX address code into the lamp 1 through the address line, and meanwhile, when the differential signal bus receives a fault feedback command, the lamp 1 can return a feedback data packet of the lamp 1 to the controller 3 through the DMX address line, without additionally arranging a transmission loop of the feedback data packet, so that not only can the feedback data be separately transmitted with the light control instruction, but also the wiring difficulty is simplified, the DMX address line is shared, and the monitoring efficiency is improved.
In an alternative embodiment of the present invention, as shown in fig. 2, the RDM data receiving module 11 includes an RS485 communication circuit 110 using a standard RDM 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 RDM communication protocol is arranged in the RDM data receiving module 11, and the RS485 communication circuit 110 is connected with 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 monitoring module 14 includes at least one of the following monitoring units:
a voltage monitoring unit 141, a current monitoring unit 143, and a temperature monitoring unit 145.
In the present embodiment, at least one of the voltage monitoring unit 141, the current monitoring unit 143 and the temperature monitoring unit 145 is selectively adopted, so that the variation of parameters such as voltage, current and temperature during the operation of the lamp 1 can be monitored in real time. In specific implementation, the voltage monitoring unit 141 and the current monitoring unit 143 may detect the operating voltage and current of the lamp 1, and may also detect the single-channel voltage and current of the specific lamp 1.
On the other hand, as shown in fig. 1, an embodiment of the present invention provides a controller 3, including:
the remote communication module 30 is used for carrying out remote bidirectional communication connection with the upper computer 5;
the RDM data sending module 32 is configured to establish an RDM unidirectional data channel based on an RDM communication protocol with the lamp 1;
the third communication module 34 is configured to establish a DMX unidirectional data channel based on a DMX communication protocol with the lamp 1 to send the identification code of the lamp 1 and establish a first RDM unidirectional data channel based on a standard RDM communication protocol with the lamp 1 to receive feedback data sent by the lamp 1;
the instruction module 36 is used for generating a monitoring instruction according to the control signal sent by the upper computer 5 and sending the monitoring instruction to the lamp 1 through the RDM data sending module 32;
and the data processing module 38 is configured to package the feedback data received by the third communication module 34 to form a feedback data packet, and upload the feedback data packet to the upper computer 5 through the remote communication module 30, where the feedback data packet is a return-to-zero data packet.
In this embodiment, the RDM data sending module 32, the third communication module 34, the remote communication module 30, the instruction module 36 and the data processing module 38 are arranged in the controller 3, the controller 3 packages the monitoring data fed back step by the lamp 1 and the identification code of the lamp 1 itself to form a feedback data packet according to the monitoring data received from the third communication module 34, and uploads the feedback data packet to the upper computer 5 through the remote communication module 30, so that the working state of the lamp 1 can be monitored in real time, the light control instruction, the monitoring instruction and the monitoring data are transmitted through different lines, and the stability of signal transmission is improved.
On the other hand, as shown in fig. 1, an embodiment of the present invention provides a lamp system 7, which includes a plurality of lamps 1 connected in series in sequence, a controller 3 connected to one end of a series body formed by the lamps 1, and an upper computer 5 connected in communication with the controller 3, where the lamps 1 are the lamps described in any one of the above, the controller 3 is the above controller, the controller 3 and each of the lamps 1 form a first RDM unidirectional data channel based on a standard RDM communication protocol and transmitting data unidirectionally from the controller 3 to the lamps 1, the controller 3 further forms a second RDM unidirectional data channel based on a RDM communication protocol and transmitting data unidirectionally from the lamps 1 at an end far from the controller 3 to the controller 3, the controller 3 and the lamps 1 form a DMX unidirectional data channel based on a DMX communication protocol and transmitting data unidirectionally from the controller 3 to the lamps 1, each lamp 1 acquires a light control instruction and a monitoring instruction through the first RDM unidirectional data channel to control the LED light source 10 to emit light, controls the monitoring module 14 to detect the working state of the LED light source 10, acquires the identification code of the lamp 1 through the DMX unidirectional data channel, and transmits the feedback data of the lamp 1 and all lamps 1 on the upstream side to the lamp 1 or the controller 3 adjacent to the downstream side through the second RDM unidirectional data channel.
In the embodiment of the invention, the controller 3 and each lamp 1 form a first RDM unidirectional data channel which is based on a standard RDM communication protocol and transmits data to the lamp 1 in a unidirectional manner from the controller 3, the controller 3 and the lamps 1 form a second RDM unidirectional data channel which is based on the RDM communication protocol and transmits data to the controller 3 in a sequential unidirectional manner from the lamp 1 at one end far away from the controller 3, the controller 3 and the lamps 1 form a DMX unidirectional data channel which is based on the DMX communication protocol and transmits data to the lamps 1 in a unidirectional manner from the controller 3, each lamp acquires a light control instruction and a monitoring instruction through the first RDM unidirectional data channel to control the light emitting of the LED light source 10 and control the monitoring module 14 to detect the working state of the LED light source 10, and acquires the identification code of the lamp 1 through the DMX unidirectional data channel, and the feedback data of the lamp 1 and all lamps 1 on the upstream side are sent to the lamps 1 or controllers 3 adjacent to the downstream side through the second RDM unidirectional data channel, so that the feedback data are transmitted step by step, the working state of the lamps 1 can be monitored in real time, the light control instruction, the monitoring instruction and the monitoring data are transmitted through different lines, and the stability of signal transmission is improved.
In specific implementation, the upper computer 5 may adopt a computing device with computing and data processing capabilities and an operation instruction sending capability, such as a personal computer, an industrial computer, a server, a single chip microcomputer and the like. In addition, it can be understood that the identification code of the lamp 1 can be used to identify relevant data such as a manufacturer of the lamp 1, a specific model, a device channel number, and the like, and the identification code of the lamp 1 can also be an address code of the lamp 1 used for data communication.
In another aspect, as shown in fig. 4, an embodiment of the present invention provides a lamp monitoring method, including the following steps:
s11 a: a first RDM one-way data channel based on a standard RDM communication protocol is established with the controller 3;
s11 b: establishing a second RDM unidirectional data channel based on an RDM communication protocol with the adjacent lamp 1 or the controller 3 on the downstream side of the RDM communication signal flow;
s11 c: a DMX one-way data channel based on a DMX communication protocol is established with the lamp 1 or the controller 3 adjacent to the upstream side of the DMX communication signal flow;
s11 d: establishing a second RDM unidirectional data channel based on an RDM communication protocol with the lamp 1 adjacent to the upstream side of the RDM communication signal flow;
s11 e: a DMX one-way data channel based on a DMX communication protocol is established with the adjacent lamp 1 positioned at the downstream side of the DMX communication signal flow;
s12: receiving a light control instruction and a monitoring instruction sent by the controller 3 based on the first RDM unidirectional data channel;
s13: receiving the identity identification code transmitted by the controller 3 based on the DMX unidirectional data channel;
s14: controlling the LED light source 10 to emit light according to the light control instruction, monitoring the LED light source 10 according to the monitoring instruction, generating monitoring data of the lamp 1 correspondingly, and writing the identification code of the lamp 1 into a memory 15 according to the identification code data;
s15: and correlating the monitoring data of the lamp 1 with the identification code of the lamp 1 to form feedback data of the lamp 1, and sending the feedback data of the lamp 1 and all lamps 1 on the upstream side to adjacent lamps 13 or controllers on the downstream side of the RDM communication signal stream on the basis of the feedback data.
According to the embodiment of the invention, by the method, the received light control instruction and the monitoring instruction respectively control the light emitting of the LED light source 1010 and the detection of the working state of the LED light source 10, the monitoring data of the lamp 1 and the identification code of the lamp 1 are associated to form the feedback data of the lamp 1, and then the feedback data of the lamp 1 and all lamps 1 on the upstream side are sent to the lamps 1 or controllers 3 adjacent to the downstream side until the feedback data are transmitted to the controllers 3, so that the working state of the lamp 1 can be monitored in real time, the light control instruction, the monitoring instruction and the monitoring data are transmitted through different lines, and the stability of signal transmission is improved.
In specific implementation, it is understood that the steps S11a, S11b, S11c, S11d and S11e are not in sequence, and step S11 is composed of steps S11a, S11b, S11c, S11d and S11 e.
In yet another alternative embodiment of the present invention, the first RDM unidirectional data channel is implemented by using the RS485 communication circuit 110 and the RS485 bus 112 of the standard RDM communication protocol. In this embodiment, the RS485 communication circuit 110 and the RS485 bus 112 using the standard RDM communication protocol can implement the first RDM unidirectional data channel, thereby effectively improving the communication reliability.
In an optional embodiment of the present invention, the monitoring data comprises monitoring data formed by monitoring at least one of the following parameters of the LED light source 10: voltage, current, and temperature. The embodiment can effectively monitor the voltage, the current and the temperature of the LED light source 10 in real time, and provides reliable data support for timely and accurately judging the working state of the lamp 1.
In another aspect, as shown in fig. 5, an embodiment of the present invention provides a lamp monitoring method, including the following steps:
s21 a: establishing remote communication connection with the upper computer 5;
s21 b: establishing a first RDM one-way data channel based on a standard RDM communication protocol with the lamp 1;
s21 c: establishing a DMX one-way data channel based on a DMX communication protocol with the lamp 1;
s21 d: establishing a second RDM unidirectional data channel based on a standard RDM communication protocol with the lamp 1;
s22: generating a monitoring instruction according to a control signal sent by the upper computer 5 and sending the monitoring instruction to the lamp 1 based on the first RDM unidirectional data channel;
s23: sending the identification code data to the lamp 1 based on the DMX unidirectional data channel;
s24: receiving feedback data transmitted from the lamp 1 based on a second RDM unidirectional data channel;
s25: and packaging the feedback data to form a feedback data packet and uploading the feedback data packet to the upper computer 5 based on the remote communication connection, wherein the feedback data packet is a return-to-zero data packet.
According to the method, the feedback data transmitted by the lamp 1 is received based on the second RDM one-way data channel, the feedback data is packaged to form the feedback data packet and is uploaded to the upper computer 5 based on the remote communication connection, the working state of the lamp 1 can be monitored in real time, the light control instruction, the monitoring instruction and the monitoring data are transmitted through different lines, the stability of signal transmission is improved, the feedback data packet is set to be a return-to-zero data packet, and the return-to-zero data packet can distinguish 0 code and 1 code through high and low level time, so that the feedback data packet is conveniently uploaded to the upper computer 5.
In specific implementation, it is understood that the steps S21a, S21b, S21c and S21d are not sequential, and step S21 is composed of steps S21a, S21b, S21c and S21 d.
In another aspect, as shown in fig. 6, an embodiment of the present invention provides a lamp monitoring method, including the following steps:
s31 a: enabling the controller 3 and each lamp 1 to form a first RDM unidirectional data channel which is based on a standard RDM communication protocol and transmits data from the controller 3 to the lamps 1 in a unidirectional mode;
s31 b: the controller 3 and the lamps 1 form a second RDM unidirectional data channel which is based on an RDM communication protocol and sequentially transmits data in a unidirectional mode from the lamp 1 at one end far away from the controller 3 to the controller 3;
s31 c: enabling the controller 3 and the plurality of lamps 1 to form a DMX unidirectional data channel which is based on a DMX communication protocol and transmits data from the controller 3 to the lamps 1 in a unidirectional mode;
s32: each lamp 1 acquires a light control instruction and a monitoring instruction through the RDM unidirectional data channel to control the LED light source 10 to emit light, detects the working state of the LED light source 10 and generates feedback data of the lamp 1;
s33: each lamp 1 acquires the identification code of the lamp 1 through the DMX unidirectional data channel;
s34: each lamp 1 transmits the feedback data of the lamp 1 and all lamps 1 on the upstream side to the lamp 1 or the controller 3 adjacent to the downstream side through the second RDM unidirectional data channel.
In the embodiment of the present invention, by the above method, the controller 3 and each lamp 1 form a first RDM unidirectional data channel which is based on the standard RDM communication protocol and transmits data unidirectionally from the controller 3 to the lamps 1, the controller 3 and the lamps 1 form a second RDM unidirectional data channel which is based on the RDM communication protocol and sequentially transmits data unidirectionally from the lamp 1 at one end away from the controller 3 to the controller 3, and the controller 3 and the lamps 1 form a DMX unidirectional data channel which is based on the DMX communication protocol and transmits data unidirectionally from the controller 3 to the lamps 1, and each lamp 1 obtains the light control command and the monitoring command through the RDM unidirectional data channel to control the light emission of the LED light source 10 and detect the working state of the LED light source 10, and transmits the feedback data of the lamp 1 and all lamps 1 on the upstream side to the lamps 1 or controllers 3 adjacent on the downstream side, feedback data is transmitted step by step, the working state of the lamp 1 can be monitored in real time, the light control instruction, the monitoring instruction and the monitoring data are transmitted through different lines, and the stability of signal transmission is improved.
In specific implementation, it is understood that the steps S31a, S31b and S31c are not sequential, and step S31 is formed by steps S31a, S31b and S31 c.
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 contribution of the embodiments of the present invention to the prior art or part of the technical solution may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computing device (which may be a personal computer, a server, a mobile computing device, a network device, or the like) to execute all or part of the steps of the method described in 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 other 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. A light fixture comprising an LED light source, characterized in that: the luminaire further comprises:
the RDM data receiving module is used for establishing a first RDM one-way data channel based on a standard RDM communication protocol with the controller so as to receive a light control instruction and a monitoring instruction transmitted by the controller;
the first communication module is used for establishing a second RDM unidirectional data channel based on an RDM communication protocol with the lamps or controllers adjacent to the downstream side of the RDM communication signal flow and establishing a DMX unidirectional data channel based on a DMX communication protocol with the lamps or controllers adjacent to the upstream side of the DMX communication signal flow so as to receive the identification codes transmitted by the lamps or controllers at the upstream side;
the second communication module is used for establishing a second RDM unidirectional data channel based on an RDM communication protocol with the lamp adjacent to the upstream side of the RDM communication signal flow so as to receive feedback data transmitted by the lamp at the upstream side and establishing a DMX unidirectional data channel based on a DMX communication protocol with the lamp adjacent to the downstream side of the DMX communication signal flow;
the monitoring module is used for detecting the working state of the LED light source and correspondingly generating the lamp monitoring data;
the storage is used for storing the identification code which is uniquely corresponding to the lamp;
the data processor is respectively connected with the RDM data receiving module, the first communication module, the second communication module, the monitoring module and the memory, used for respectively controlling the LED light source to emit light according to the light control instruction and the monitoring instruction received by the RDM data receiving module, controlling the monitoring module to detect the working state of the LED light source and writing the identification code of the lamp into a memory according to the identification code of the lamp received by the first communication module, and the monitoring data of the lamp and the identification code of the lamp are correlated to form the feedback data of the lamp, and the identification codes of the lamps on the downstream side of the DMX communication signal flow are sent to the lamps adjacent to the downstream side through the second communication module, and then the feedback data of the lamp and all the lamps on the upstream side are sent to the lamps adjacent to the downstream side of the RDM communication signal flow or the controller through the first communication module.
2. The lamp of claim 1, wherein the RDM data receiving module comprises an RS485 communication circuit using a standard RDM communication protocol and an RS485 bus connected to the RS485 communication circuit and configured to connect to the controller.
3. The luminaire of claim 1, wherein the monitoring module comprises at least one of the following monitoring units: the device comprises a voltage monitoring unit, a current monitoring unit and a temperature monitoring unit.
4. A controller, comprising:
the remote communication module is used for carrying out remote bidirectional communication connection with an upper computer;
the RDM data sending module is used for establishing an RDM one-way data channel based on an RDM communication protocol with the lamp;
the third communication module is used for establishing a DMX one-way data channel based on a DMX communication protocol with the lamp to send the identification code data of the lamp and establishing a first RDM one-way data channel based on a standard RDM communication protocol with the lamp to receive the feedback data transmitted by the lamp;
the command module is used for generating a monitoring command according to the control signal sent by the upper computer and sending the monitoring command to the lamp through the RDM data sending module;
and the data processing module is used for packaging the feedback data received by the third communication module to form a feedback data packet and uploading the feedback data packet to the upper computer through the remote communication module, wherein the feedback data packet is a return-to-zero code data packet.
5. A lamp system, comprising a plurality of lamps connected in series in sequence, a controller connected to one end of a series body formed by the lamps, and an upper computer connected with the controller in a communication manner, wherein the lamps are as claimed in any one of claims 1 to 3, the controller is as claimed in claim 4, the controller and each lamp form a first RDM unidirectional data channel which is based on a standard RDM communication protocol and transmits data to the lamps in a unidirectional manner from the controller, the controller further forms a second RDM unidirectional data channel which is based on the RDM communication protocol and transmits data to the controller in a sequential unidirectional manner from the lamp at one end far away from the controller to the controller, the controller further forms a DMX unidirectional data channel which is based on the DMX communication protocol and transmits data to the lamps in a unidirectional manner from the controller with the lamps, and each lamp acquires a light control instruction and a monitoring instruction through the first RDM unidirectional data channel to control the LED light source to emit light, controls the monitoring module to detect the working state of the LED light source, acquires the identification code of the lamp through the DMX unidirectional data channel, and sends the feedback data of the lamp and all lamps on the upstream side to the lamps or controllers adjacent on the downstream side through the second RDM unidirectional data channel.
6. A lamp monitoring method is characterized by comprising the following steps:
establishing a first RDM one-way data channel based on a standard RDM communication protocol with a controller;
establishing a second RDM unidirectional data channel based on an RDM communication protocol with the adjacent lamp or controller on the downstream side of the RDM communication signal flow;
establishing a DMX one-way data channel based on a DMX communication protocol with a lamp or a controller adjacent to the upstream side of the DMX communication signal flow;
establishing a second RDM unidirectional data channel based on an RDM communication protocol with the adjacent lamp positioned on the upstream side of the RDM communication signal flow;
establishing a DMX one-way data channel based on a DMX communication protocol with an adjacent lamp positioned on the downstream side of the DMX communication signal flow;
receiving a light control instruction and a monitoring instruction sent by a controller based on the first RDM unidirectional data channel;
receiving an identity identification code transmitted from a controller based on the DMX unidirectional data channel;
controlling the LED light source to emit light according to the light control instruction, monitoring the LED light source according to the monitoring instruction, generating lamp monitoring data corresponding to the LED light source, and writing the identification code of the lamp into a memory according to the identification code;
and correlating the lamp monitoring data with the identification code of the lamp to form feedback data of the lamp, and sending the feedback data of the lamp and all lamps on the upstream side to adjacent lamps or controllers on the downstream side of the RDM communication signal stream on the basis of the feedback data of the lamp and all lamps on the upstream side.
7. The lamp monitoring method of claim 6, wherein the first RDM unidirectional data channel is implemented by an RS485 communication circuit and an RS485 bus using a standard RDM communication protocol.
8. The luminaire monitoring method of claim 6 wherein said monitoring data comprises monitoring data formed from monitoring at least one of the following parameters of said LED light source: voltage, current, and temperature.
9. A lamp monitoring method is characterized by comprising the following steps:
establishing remote communication connection with an upper computer;
establishing a first RDM one-way data channel based on a standard RDM communication protocol with a lamp;
establishing a DMX one-way data channel based on a DMX communication protocol with the lamp;
establishing a second RDM unidirectional data channel based on a standard RDM communication protocol with the lamp;
generating a monitoring instruction according to a control signal sent by an upper computer and sending the monitoring instruction to a lamp based on a first RDM unidirectional data channel;
sending the identification code to the lamp based on the DMX unidirectional data channel;
receiving feedback data transmitted by the lamp based on the second RDM unidirectional data channel;
and packaging the feedback data to form a feedback data packet and uploading the feedback data packet to an upper computer based on the remote communication connection, wherein the feedback data packet is a return-to-zero data packet.
10. A lamp monitoring method is characterized by comprising the following steps:
enabling the controller and each lamp to form a first RDM unidirectional data channel which is based on a standard RDM communication protocol and transmits data to the lamps in a unidirectional mode from the controller;
the controller and the lamps form a second RDM unidirectional data channel which is based on an RDM communication protocol and sequentially transmits data in a unidirectional mode from the lamp at one end far away from the controller to the controller;
enabling the controller and the plurality of lamps to form a DMX unidirectional data channel which is based on a DMX communication protocol and transmits data to the lamps in a unidirectional mode from the controller;
each lamp acquires a light control instruction and a monitoring instruction through the RDM unidirectional data channel to control the LED light source to emit light, detects the working state of the LED light source and generates feedback data of the lamp;
each lamp acquires the identification code of the lamp through the DMX unidirectional data channel;
and each lamp sends the feedback data of the lamp and all lamps on the upstream side to the lamps or controllers adjacent on the downstream side through the second RDM unidirectional data channel.
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| CN201911099361.5A CN110650575A (en) | 2019-11-12 | 2019-11-12 | Lamp, controller, lamp system and lamp monitoring method |
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| CN201911099361.5A CN110650575A (en) | 2019-11-12 | 2019-11-12 | Lamp, controller, lamp system and lamp monitoring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111405732A (en) * | 2020-04-01 | 2020-07-10 | 广州市珠江灯光科技有限公司 | Lamp bidirectional signal amplification method and control system |
| CN111615242A (en) * | 2020-06-03 | 2020-09-01 | 深圳爱克莱特科技股份有限公司 | Lamp, controller and lamp dimming method |
| CN111693252A (en) * | 2020-06-05 | 2020-09-22 | 深圳爱克莱特科技股份有限公司 | Lamp test control system and lamp test method |
| CN114786217A (en) * | 2022-06-21 | 2022-07-22 | 四川易数无限科技有限公司 | Double-path communication method and system for controlling lamplight |
| CN115776752A (en) * | 2023-02-13 | 2023-03-10 | 佛山市银河兰晶科技股份有限公司 | Control circuit, lamp and control method based on ZigBee protocol |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111405732A (en) * | 2020-04-01 | 2020-07-10 | 广州市珠江灯光科技有限公司 | Lamp bidirectional signal amplification method and control system |
| CN111405732B (en) * | 2020-04-01 | 2021-09-28 | 广州市珠江灯光科技有限公司 | Lamp bidirectional signal amplification method and control system |
| CN111615242A (en) * | 2020-06-03 | 2020-09-01 | 深圳爱克莱特科技股份有限公司 | Lamp, controller and lamp dimming method |
| CN111693252A (en) * | 2020-06-05 | 2020-09-22 | 深圳爱克莱特科技股份有限公司 | Lamp test control system and lamp test method |
| CN114786217A (en) * | 2022-06-21 | 2022-07-22 | 四川易数无限科技有限公司 | Double-path communication method and system for controlling lamplight |
| CN115776752A (en) * | 2023-02-13 | 2023-03-10 | 佛山市银河兰晶科技股份有限公司 | Control circuit, lamp and control method based on ZigBee protocol |
| CN115776752B (en) * | 2023-02-13 | 2023-08-04 | 佛山市银河兰晶科技股份有限公司 | Control circuit, lamp and control method based on ZigBee protocol |
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