Lamp, controller, lamp system and lamp monitoring method

Abstract

The embodiment of the present invention provides a lamp, a controller, a lamp system and a lamp monitoring method, wherein the lamp includes an LED light source; an RDM data receiving module, which is used to establish a first RDM unidirectional data channel based on a standard RDM communication protocol with the controller; a first communication module, which is used to establish a second RDM unidirectional data channel based on the RDM communication protocol with a lamp or controller adjacent to the downstream side of the RDM communication signal flow; a second communication module, which is used to establish a second RDM unidirectional data channel based on the RDM communication protocol with a lamp adjacent to the upstream side of the RDM communication signal flow; a monitoring module, which is used to detect the working state of the LED light source and generate monitoring data of the lamp; a data processor, which is used to control the light emission of the LED light source and detect the working state of the LED light source respectively, and then send the feedback data of the lamp and all the lamps on the upstream side to the lamp or controller adjacent to the downstream side of the RDM communication signal flow. This embodiment improves the stability of signal transmission.

Description

Technical Field

[0001] Embodiments of the present invention relate to the technical field of lamp equipment, and in particular to a lamp, a controller, a lamp system and a lamp monitoring method. Background Art

[0002] In order to realize real-time monitoring of the working status of LED landscape lamps, existing landscape lamps are mainly designed based on the RDM (Remote Device Management) communication protocol, and are connected by two-way communication through the first RDM communication module and the second RDM communication module set in the lamp and the controller respectively. The lamp controls the light emission of the LED light source and controls the monitoring module inside the lamp to detect the working status of the LED light source according to the light control instructions and monitoring instructions sent from the second RDM communication module to the first RDM communication module, and sends the monitoring data and the identification code of the lamp itself to the controller through the first RDM communication module. However, since the light control instructions, monitoring instructions and monitoring data sent by the controller to the LED light source are all in the same transmission line, the transmission between signals is easy to cause interference, which affects the stability of the light control instructions, monitoring instructions and monitoring data. Summary of the invention

[0003] The technical problem to be solved by the embodiments of the present invention is to provide a lamp that can effectively improve the stability of control instructions and monitoring data.

[0004] A further technical problem to be solved by the embodiments of the present invention is to provide a controller that can effectively improve the stability of control instructions and monitoring data.

[0005] A further technical problem to be solved by the embodiments of the present invention is to provide a lighting system that can effectively improve the stability of control instructions and monitoring data.

[0006] A further technical problem to be solved by an embodiment of the present invention is to provide a lamp monitoring method which can effectively improve the stability of control instructions and monitoring data.

[0007] In order to solve the above technical problems, the embodiment of the present invention provides the following technical solution: a lamp, comprising:

[0008] LED light source;

[0009] An RDM data receiving module is used to establish a first RDM unidirectional data channel based on a standard RDM communication protocol with the controller to receive lighting control instructions and monitoring instructions from the controller;

[0010] The first communication module is used to establish a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp or controller located at the downstream side of the RDM communication signal flow, and to establish a DMX unidirectional data channel based on the DMX communication protocol with the adjacent lamp or controller located at the upstream side of the DMX communication signal flow to receive the identity code transmitted by the upstream lamp or controller;

[0011] The second communication module is used to establish a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp located at the upstream side of the RDM communication signal flow to receive feedback data from the upstream lamp and to establish a DMX unidirectional data channel based on the DMX communication protocol with the adjacent lamp located at the downstream side of the DMX communication signal flow;

[0012] A monitoring module, used to detect the working status of the LED light source and generate corresponding monitoring data of the lamp;

[0013] A memory, used to store an identification code uniquely corresponding to the lamp;

[0014] A data processor is connected to the RDM data receiving module, the first communication module, the second communication module, the monitoring module and the memory, respectively, and is used to control the LED light source to emit light and control the monitoring module to detect the working status of the LED light source according to the lighting control instructions and monitoring instructions received by the RDM data receiving module, and write the identity identification code of the lamp received by the first communication module into the memory, and associate the monitoring data of the lamp with the identity identification code of the lamp to form feedback data of the lamp, and send the identity identification code of the lamp on the downstream side of the DMX communication signal flow to the adjacent lamp on the downstream side through the second communication module, and then send the feedback data of the lamp and all the lamps on the upstream side to the adjacent lamp or controller on the downstream side of the RDM communication signal flow through the first communication module.

[0015] Furthermore, the RDM data receiving module includes an RS485 communication circuit using a standard RDM communication protocol and an RS485 bus connected to the RS485 communication circuit and used to connect to the controller.

[0016] Furthermore, the monitoring module includes at least one of the following monitoring units:

[0017] Voltage monitoring unit, current monitoring unit and temperature monitoring unit.

[0018] On the other hand, in order to solve the above technical problems, an embodiment of the present invention provides the following technical solution: a controller, comprising:

[0019] Remote communication module, used for remote two-way communication connection with the host computer;

[0020] RDM data sending module, used to establish an RDM one-way data channel based on the RDM communication protocol with the lamp;

[0021] A third communication module is used to establish a DMX unidirectional data channel based on the DMX communication protocol with the lamp to send the identity code of the lamp and to establish a first RDM unidirectional data channel based on the standard RDM communication protocol with the lamp to receive feedback data from the lamp;

[0022] The command module is used to generate monitoring commands according to the control signals sent by the host computer and send them to the lamps through the RDM data sending module;

[0023] The data processing module is used to package the feedback data received by the third communication module into a feedback data packet and upload it to the host computer via the remote communication module. The feedback data packet is a return-to-zero code data packet.

[0024] On the other hand, in order to solve the above technical problems, the embodiments of the present invention provide the following technical solutions: a lighting system, comprising a plurality of lighting fixtures connected in series in sequence, a controller connected to one end of the series body formed by the lighting fixtures, and a host computer connected to the controller for communication, the lighting fixtures are lighting fixtures as described in any one of the above items, the controller is the above controller, the controller and each lighting fixture form a first RDM unidirectional data channel based on a standard RDM communication protocol and transmitting data unidirectionally from the controller to the lighting fixture, the controller also forms a first RDM unidirectional data channel based on the RDM communication protocol with the plurality of lighting fixtures and transmitting data from the lighting fixture at one end away from the controller to the controller. The controller also forms a DMX unidirectional data channel based on the DMX communication protocol with the multiple lamps and transmits data unidirectionally from the controller to the lamps. Each lamp obtains light control instructions and monitoring instructions through the first RDM unidirectional data channel to control the LED light source to emit light and control the monitoring module to detect the working status of the LED light source and obtain the identity identification code of the lamp through the DMX unidirectional data channel, and sends the feedback data of the lamp and all the lamps on the upstream side to the adjacent lamps or controller on the downstream side through the second RDM unidirectional data channel.

[0025] On the other hand, in order to solve the above technical problems, the embodiment of the present invention provides the following technical solutions: a lamp monitoring method, comprising the following steps:

[0026] Establishing a first RDM unidirectional data channel based on a standard RDM communication protocol with the controller;

[0027] Establishing a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp or controller located at the downstream side of the RDM communication signal flow;

[0028] Establish a DMX one-way data channel based on the DMX communication protocol with adjacent lamps or controllers located on the upstream side of the DMX communication signal flow;

[0029] Establishing a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp located at the upstream side of the RDM communication signal flow;

[0030] Establish a DMX one-way data channel based on the DMX communication protocol with the adjacent lighting fixtures located at the downstream side of the DMX communication signal flow;

[0031] receiving a lighting control instruction and a monitoring instruction sent by a controller based on the first RDM unidirectional data channel;

[0032] Receiving an identification code from a controller based on the DMX unidirectional data channel;

[0033] Control the LED light source to emit light according to the light control instruction, monitor the LED light source according to the monitoring instruction and generate monitoring data of the lamp accordingly, and write the identity identification code of the lamp into the memory according to the identity identification code;

[0034] The monitoring data of the lamp and the identification code of the lamp are associated to form the feedback data of the lamp, and then the feedback data of the lamp and all the lamps on the upstream side are sent to the adjacent lamps or controllers on the downstream side of the RDM communication signal flow.

[0035] Furthermore, the first RDM unidirectional data channel is implemented by an RS485 communication circuit and an RS485 bus using a standard RDM communication protocol.

[0036] Furthermore, the monitoring data includes monitoring data formed by monitoring at least one of the following parameters of the LED light source: voltage, current and temperature.

[0037] On the other hand, in order to solve the above technical problems, the embodiment of the present invention provides the following technical solutions: a lamp monitoring method, comprising the following steps:

[0038] Establish a remote communication connection with the host computer;

[0039] Establish the first RDM one-way data channel based on the standard RDM communication protocol with the lamp;

[0040] Establish a DMX one-way data channel based on the DMX communication protocol with the lamps;

[0041] Establish a second RDM unidirectional data channel based on the standard RDM communication protocol with the lamp;

[0042] Generate a monitoring instruction according to the control signal sent by the host computer and send it to the lamp based on the first RDM unidirectional data channel;

[0043] Send the identification code to the lighting fixture based on the DMX one-way data channel;

[0044] Receive feedback data from the lamp based on the second RDM unidirectional data channel;

[0045] The feedback data is packaged to form a feedback data packet and uploaded to the host computer based on the remote communication connection, wherein the feedback data packet is a return-to-zero code data packet.

[0046] On the other hand, in order to solve the above technical problems, the embodiment of the present invention provides the following technical solutions: a lamp monitoring method, comprising the following steps:

[0047] The controller and each lamp form a first RDM unidirectional data channel based on a standard RDM communication protocol for unidirectional data transmission from the controller to the lamp;

[0048] The controller and the plurality of lamps form a second RDM unidirectional data channel based on the RDM communication protocol and transmits data unidirectionally one by one from the lamp at one end far from the controller to the controller;

[0049] The controller and the plurality of lamps form a DMX unidirectional data channel based on the DMX communication protocol and transmitting data unidirectionally from the controller to the lamps;

[0050] Each lamp obtains lighting control instructions and monitoring instructions through the RDM unidirectional data channel to control the LED light source to emit light and detect the working status of the LED light source and generate feedback data of the lamp;

[0051] Each lamp obtains its own identification code through the DMX unidirectional data channel;

[0052] Each lamp sends the feedback data of the lamp and all lamps on the upstream side to the adjacent lamp or controller on the downstream side through the second RDM unidirectional data channel.

[0053] After adopting the above technical scheme, the embodiment of the present invention has at least the following beneficial effects: the embodiment of the present invention sets an RDM data receiving module, a first communication module and a second communication module in the lamp, and controls the LED light source to emit light and controls the monitoring module to detect the working state of the LED light source according to the light control instructions and monitoring instructions received by the RDM data receiving module, and writes the identity identification code of the lamp received by the first communication module into the memory, and associates the monitoring data of the lamp with the identity identification code of the lamp to form the feedback data of the lamp, and sends the identity identification code of the lamp on the downstream side of the DMX communication signal flow to the adjacent lamp on the downstream side through the second communication module, and then sends the feedback data of the lamp and all the lamps on the upstream side to the adjacent lamp or controller on the downstream side through the first communication module until it is transmitted to the controller, and can transmit the identity identification code data and feedback data at the same time, without adding an additional communication circuit, and can monitor the working state of the lamp in real time, and transmit the light control instructions, monitoring instructions and monitoring data through different lines, thereby improving the stability of signal transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] Figure 1 It is a structural block diagram of an optional embodiment of the lighting system of the present invention.

[0055] Figure 2 It is a structural block diagram of an RDM data receiving module of an optional embodiment of the lamp of the present invention.

[0056] Figure 3 It is a structural block diagram of a monitoring module of an optional embodiment of the lamp of the present invention.

[0057] Figure 4 It is a flow chart of an optional embodiment of the lamp monitoring method of the present invention.

[0058] Figure 5 It is a flow chart of another optional embodiment of the lamp monitoring method of the present invention.

[0059] Figure 6 It is a flow chart of another optional embodiment of the lamp monitoring method of the present invention. DETAILED DESCRIPTION

[0060] The present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following illustrative embodiments and descriptions are only used to explain the present invention and are not intended to limit the present invention. In addition, the embodiments and features in the embodiments of the present application may be combined with each other without conflict.

[0061] For the convenience of description, the relevant technical terms are first defined as follows: According to the flow direction of the communication signal, the side where the signal flows first is the upstream side, and the side where the signal flows later is the downstream side. It can be understood that the upstream side and the downstream side are relative, and a certain lamp in the signal flow is the upstream side relative to the lamp 1 on the downstream side, but is the downstream side relative to the lamp 1 on the upstream side.

[0062] like Figure 1 As shown, an optional embodiment of the present invention provides a lamp, the lamp 1 comprising:

[0063] LED light source 10;

[0064] The RDM data receiving module 11 is used to establish a first RDM unidirectional data channel based on a standard RDM communication protocol with the controller 3 to receive lighting control instructions and monitoring instructions from the controller 3;

[0065] The first communication module 12 is used to establish a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp 1 or controller 3 located at the downstream side of the RDM communication signal flow, and to establish a DMX unidirectional data channel based on the DMX communication protocol with the adjacent lamp 1 or controller 3 located at the upstream side of the DMX communication signal flow to receive the identity code transmitted from the upstream lamp 1 or controller 3;

[0066] The second communication module 13 is used to establish a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp 1 located at the upstream side of the RDM communication signal flow to receive feedback data from the upstream lamp 1 and to establish a DMX unidirectional data channel based on the DMX communication protocol with the adjacent lamp 1 located at the downstream side of the DMX communication signal flow;

[0067] A monitoring module 14, used to detect the working status of the LED light source 10 and generate monitoring data of the lamp 1 accordingly;

[0068] The memory 15 is used to store an identification code uniquely corresponding to the lamp 1;

[0069] The data processor 16 is respectively connected to the RDM data receiving module 11, the first communication module 12, the second communication module 13, the monitoring module 14 and the memory 15, and is used to control the LED light source 10 to emit light and control the monitoring module 14 to detect the working state of the LED light source 10 according to the lighting control instructions and monitoring instructions received by the RDM data receiving module 11, and write the identity identification code of the lamp 1 received by the first communication module 12 into the memory 15, and associate the monitoring data of the lamp 1 with the identity identification code of the lamp 1 to form the feedback data of the lamp 1, and send the identity identification code of the lamp 1 on the downstream side of the DMX communication signal flow to the adjacent lamp 1 on the downstream side through the second communication module 13, and then send the feedback data of the lamp 1 and all the lamps 1 on the upstream side to the adjacent lamp 1 or controller 3 on the downstream side of the RDM communication signal flow through the first communication module 12.

[0070] In the embodiment of the present invention, an RDM data receiving module 11, a first communication module 12, and a second communication module 13 are arranged in the lamp 1, and 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, and the identity identification code of the lamp 1 received by the first communication module 12 is written into the memory 15, and the monitoring data of the lamp 1 and the identity identification code of the lamp 1 are associated to form the feedback data of the lamp 1, and the identity identification code of the lamp 1 on the downstream side of the DMX communication signal flow is sent to the adjacent lamp 1 on the downstream side through the second communication module 13, and then the feedback data of the lamp 1 and all the lamps 1 on the upstream side are sent to the adjacent lamp 1 on the downstream side or the controller 3 through the first communication module 12 until they are transmitted to the controller 3. On the one hand, the identity identification code data is transmitted, and the identity identification code data and the feedback data can be transmitted at the same time, without adding an additional communication circuit, the working state of the lamp can be monitored in real time, and the light control instruction, the monitoring instruction and the monitoring data are transmitted through different lines, thereby improving the stability of signal transmission.

[0071] 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 using the DMX address line of the lamp 1, and by using the DMX address line of the lamp 1, the controller 3 can write the DMX address code into the lamp 1 through the address line, and when the differential signal bus receives a fault feedback command, the lamp 1 will return the lamp 1 feedback data packet to the controller 3 through the DMX address line, without the need for an additional transmission loop for the feedback data packet, which not only can separate the feedback data and the lighting control instructions for transmission, but also simplifies the wiring difficulty, shares the DMX address line, and improves the monitoring efficiency.

[0072] In an optional embodiment of the present invention, Figure 2 As shown, 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 used to connect to the controller 3. In this embodiment, the RS485 communication circuit 110 using a standard RDM communication protocol is arranged in the RDM data receiving module 11, and the RS485 communication circuit 110 is connected to the controller 3 through the RS485 bus 112, so that the communication reliability can be effectively improved.

[0073] In another optional embodiment of the present invention, Figure 3 As shown, the monitoring module 14 includes at least one of the following monitoring units:

[0074] A voltage monitoring unit 141 , a current monitoring unit 143 and a temperature monitoring unit 145 .

[0075] This embodiment selectively uses at least one of the voltage monitoring unit 141, the current monitoring unit 143 and the temperature monitoring unit 145 to monitor in real time the changes in parameters such as voltage, current and temperature when the lamp 1 is working. In specific implementation, the voltage monitoring unit 141 and the current monitoring unit 143 can detect the working voltage and current of the lamp 1, and can also detect the voltage and current of a single channel of the specific lamp 1.

[0076] On the other hand, Figure 1 As shown, an embodiment of the present invention provides a controller 3, including:

[0077] A remote communication module 30, used for remote two-way communication connection with the host computer 5;

[0078] The RDM data sending module 32 is used to establish an RDM unidirectional data channel based on the RDM communication protocol with the lamp 1;

[0079] The third communication module 34 is used to establish a DMX unidirectional data channel based on the DMX communication protocol with the lamp 1 to send the identity code of the lamp 1 and to establish a first RDM unidirectional data channel based on the standard RDM communication protocol with the lamp 1 to receive feedback data from the lamp 1;

[0080] The command module 36 is used to generate a monitoring command according to the control signal sent by the host computer 5 and send it to the lamp 1 through the RDM data sending module 32;

[0081] The data processing module 38 is used to package the feedback data received by the third communication module 34 into a feedback data packet and upload it to the host computer 5 via the remote communication module 30. The feedback data packet is a return-to-zero code data packet.

[0082] In this embodiment, an RDM data sending module 32, a third communication module 34, a remote communication module 30, an instruction module 36 and a data processing module 38 are set in the controller 3. The controller 3 packages the monitoring data fed back step by step by the lamp 1 received from the third communication module 34 with the identification code of the lamp 1 itself to form a feedback data packet and uploads it to the host computer 5 via the remote communication module 30. The working status of the lamp 1 can be monitored in real time, and the lighting control instructions, monitoring instructions and monitoring data can be transmitted through different lines, thereby improving the stability of signal transmission.

[0083] On the other hand, Figure 1 As shown, an embodiment of the present invention provides a lamp system 7, comprising a plurality of lamps 1 connected in series in sequence, a controller 3 connected to one end of the series body formed by the lamps 1, and a host computer 5 connected to the controller 3 for communication, wherein the lamp 1 is a lamp as described in any of the above items, the controller 3 is the above controller, the controller 3 and each lamp 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 lamp 1, and the controller 3 also forms a first RDM unidirectional data channel based on the RDM communication protocol with the plurality of lamps 1 and transmitting data unidirectionally from the lamp 1 at one end away from the controller 3 to the controller 3 in sequence. The controller 3 and the multiple lamps 1 form a DMX unidirectional data channel based on the DMX communication protocol and unidirectionally transmit data from the controller 3 to the lamps 1. Each lamp 1 obtains light control instructions and monitoring instructions through the first RDM unidirectional data channel to control the LED light source 10 to emit light and control the monitoring module 14 to detect the working status of the LED light source 10, and obtains the identity identification code of the lamp 1 through the DMX unidirectional data channel, and sends the feedback data of the lamp 1 and all the lamps 1 on the upstream side to the adjacent lamp 1 or controller 3 on the downstream side through the second RDM unidirectional data channel.

[0084] In the embodiment of the present invention, the controller 3 and each lamp 1 form a first RDM unidirectional data channel based on the standard RDM communication protocol and transmits data from the controller 3 to the lamp 1 in a unidirectional manner. The controller 3 also forms a second RDM unidirectional data channel based on the RDM communication protocol with the plurality of lamps 1 and transmits data from the lamp 1 at one end far from the controller 3 to the controller 3 in a unidirectional manner. The controller 3 also forms a DMX unidirectional data channel based on the DMX communication protocol with the plurality of lamps 1 and transmits data from the controller 3 to the lamp 1 in a unidirectional manner. Each lamp transmits data to the controller 3 in a unidirectional manner through the first RDM unidirectional data channel. The data channel obtains lighting control instructions and monitoring instructions to control the LED light source 10 to emit light and controls the monitoring module 14 to detect the working status of the LED light source 10 and obtains the identity identification code of the lamp 1 through the DMX unidirectional data channel, and sends the feedback data of the lamp 1 and all lamps 1 on the upstream side to the adjacent lamp 1 or controller 3 on the downstream side through the second RDM unidirectional data channel, so as to realize the step-by-step transmission of feedback data, monitor the working status of the lamp 1 in real time, transmit the lighting control instructions, monitoring instructions and monitoring data through different lines, and improve the stability of signal transmission.

[0085] In specific implementation, the host computer 5 can be a personal computer, an industrial computer, a server, a single-chip microcomputer, or other computing devices that have the ability to calculate and process data and issue control instructions. In addition, it can be understood that the identification code of the lamp 1 can be used to identify the manufacturer of the lamp 1, the specific model and the number of device channels and other related data, and the identification code of the lamp 1 can also be the address code of the lamp 1 used for data communication.

[0086] On the other hand, Figure 4 As shown, an embodiment of the present invention provides a lamp monitoring method, comprising the following steps:

[0087] S11a: establishing a first RDM unidirectional data channel based on a standard RDM communication protocol with the controller 3;

[0088] S11b: establishing a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp 1 or controller 3 located at the downstream side of the RDM communication signal flow;

[0089] S11c: establishing a DMX one-way data channel based on the DMX communication protocol with the adjacent lamp 1 or controller 3 located at the upstream side of the DMX communication signal flow;

[0090] S11d: establishing a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp 1 located at the upstream side of the RDM communication signal flow;

[0091] S11e: establishing a DMX one-way data channel based on the DMX communication protocol with the adjacent lamp 1 located at the downstream side of the DMX communication signal flow;

[0092] S12: receiving a lighting control instruction and a monitoring instruction sent by the controller 3 based on the first RDM unidirectional data channel;

[0093] S13: receiving an identity code transmitted by the controller 3 based on the DMX unidirectional data channel;

[0094] 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 and generating monitoring data of the lamp 1 accordingly, and writing the identity identification code of the lamp 1 into the memory 15 according to the identity identification code data;

[0095] S15: Associating the monitoring data of the lamp 1 with the identification code of the lamp 1 to form the feedback data of the lamp 1, and then sending the feedback data of the lamp 1 and all the lamps 1 on the upstream side to the adjacent lamps 1 or controller 3 on the downstream side of the RDM communication signal flow.

[0096] The embodiment of the present invention uses the above method to receive lighting control instructions and monitoring instructions to respectively control the light emission of the LED light source 1010 and detect the working status of the LED light source 10, and associate the monitoring data of the lamp 1 with the identity identification code of the lamp 1 to form feedback data of the lamp 1, and then send the feedback data of the lamp 1 and all lamps 1 on the upstream side to the adjacent lamp 1 or controller 3 on the downstream side until it is transmitted to the controller 3. The working status of the lamp 1 can be monitored in real time, and the lighting control instructions, monitoring instructions and monitoring data are transmitted through different lines, thereby improving the stability of signal transmission.

[0097] In specific implementation, it can be understood that the above steps S11a, S11b, S11c, S11d and S11e are in no particular order, and steps S11a, S11b, S11c, S11d and S11e together constitute step S11.

[0098] In another optional 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 first RDM unidirectional data channel can be implemented by using the RS485 communication circuit 110 and the RS485 bus 112 of the standard RDM communication protocol, thereby effectively improving communication reliability.

[0099] In an optional embodiment of the present invention, the monitoring data includes monitoring data formed by monitoring at least one of the following parameters of the LED light source 10: voltage, current and temperature. This embodiment can effectively monitor the voltage, current and temperature of the LED light source 10 in real time, and provide reliable data support for timely and accurate determination of the working state of the lamp 1.

[0100] On the other hand, Figure 5 As shown, an embodiment of the present invention provides a lamp monitoring method, comprising the following steps:

[0101] S21a: Establishing a remote communication connection with the host computer 5;

[0102] S21b: Establishing a first RDM unidirectional data channel based on the standard RDM communication protocol with the lamp 1;

[0103] S21c: Establish a DMX one-way data channel based on the DMX communication protocol with lamp 1;

[0104] S21d: Establishing a second RDM unidirectional data channel based on the standard RDM communication protocol with lamp 1;

[0105] S22: Generate a monitoring instruction according to the control signal sent by the host computer 5 and send it to the lamp 1 based on the first RDM unidirectional data channel;

[0106] S23: Sending the identification code data to the lamp 1 based on the DMX unidirectional data channel;

[0107] S24: receiving feedback data from lamp 1 based on the second RDM unidirectional data channel;

[0108] S25: Packing the feedback data into a feedback data packet and uploading it to the host computer 5 based on the remote communication connection, wherein the feedback data packet is a return-to-zero code data packet.

[0109] This embodiment uses the above method to receive feedback data from the lamp 1 based on the second RDM unidirectional data channel, pack the feedback data into a feedback data packet and upload it to the host computer 5 based on the remote communication connection. It can monitor the working status of the lamp 1 in real time, transmit the lighting control instructions, monitoring instructions and monitoring data through different lines, improve the stability of signal transmission, and set the feedback data packet to a return-to-zero code data packet. The return-to-zero code distinguishes between 0 code and 1 code through high and low level time, which facilitates uploading the feedback data packet to the host computer 5.

[0110] In specific implementation, it can be understood that the above steps S21a, S21b, S21c and S21d are in no particular order, and steps S21a, S21b, S21c and S21d together constitute step S21.

[0111] On the other hand, Figure 6 As shown, an embodiment of the present invention provides a lamp monitoring method, comprising the following steps:

[0112] S31a: The controller 3 and each lamp 1 form a first RDM unidirectional data channel based on a standard RDM communication protocol for unidirectionally transmitting data from the controller 3 to the lamp 1;

[0113] S31b: enabling the controller 3 and the plurality of lamps 1 to form a second RDM unidirectional data channel based on the RDM communication protocol and transmitting data unidirectionally one by one from the lamp 1 at one end far from the controller 3 to the controller 3 ;

[0114] S31c: enabling the controller 3 and the plurality of lamps 1 to form a DMX unidirectional data channel based on the DMX communication protocol and transmitting data unidirectionally from the controller 3 to the lamps 1;

[0115] S32: Each lamp 1 obtains the lighting control instruction and the monitoring instruction 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 generate feedback data of the lamp 1;

[0116] S33: Each lamp 1 obtains the identity identification code of the lamp 1 through the DMX unidirectional data channel;

[0117] S34: Each lamp 1 sends the feedback data of the lamp 1 and all the lamps 1 on the upstream side to the adjacent lamp 1 on the downstream side or the controller 3 through the second RDM unidirectional data channel.

[0118] The embodiment of the present invention uses the above method to form a first RDM unidirectional data channel based on the standard RDM communication protocol and unidirectionally transmit data from the controller 3 to the lamp 1 with the controller 3 and each lamp 1, a second RDM unidirectional data channel based on the RDM communication protocol and unidirectionally transmits data from the lamp 1 at one end far away from the controller 3 to the controller 3 in succession with the controller 3, and a DMX unidirectional data channel based on the DMX communication protocol and unidirectionally transmits data from the controller 3 to the lamp 1 with the controller 3 and the multiple lamps 1, and each lamp 1 obtains the lighting control instruction and the monitoring instruction through the RDM unidirectional data channel to control the light emission of the LED light source 10 and detect the working status of the LED light source 10, and sends the feedback data of the lamp 1 and all the lamps 1 on the upstream side to the adjacent lamp 1 or the controller 3 on the downstream side, so as to realize the step-by-step transmission of feedback data, monitor the working status of the lamp 1 in real time, transmit the lighting control instruction, the monitoring instruction and the monitoring data through different lines, and improve the stability of signal transmission.

[0119] In specific implementation, it can be understood that the above steps S31a, S31b and S31c are in no particular order, and steps S31a, S31b and S31c together constitute step S31.

[0120] If the functions described in the embodiments of the present invention are implemented in the form of software function modules or units and sold or used as independent products, they can be stored in a storage medium readable by a computing device. Based on this understanding, the part of the embodiment of the present invention that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for a computing device (which can be a personal computer, a server, a mobile computing device or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc. Various media that can store program codes. In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other.

[0121] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, which all belong to the protection scope of the present invention.

Claims

1. A lamp, comprising an LED light source, characterized in that: The lamp also includes: An RDM data receiving module, used to establish a first RDM unidirectional data channel based on a standard RDM communication protocol with the controller to receive lighting control instructions and monitoring instructions from the controller, the RDM data receiving module includes an RS485 communication circuit using the standard RDM communication protocol and an RS485 bus connected to the RS485 communication circuit and used to connect to the controller; The first communication module is used to establish a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp or controller located at the downstream side of the RDM communication signal flow, and to establish a DMX unidirectional data channel based on the DMX communication protocol with the adjacent lamp or controller located at the upstream side of the DMX communication signal flow to receive the identity code transmitted by the upstream lamp or controller; The second communication module is used to establish a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp located at the upstream side of the RDM communication signal flow to receive feedback data from the upstream lamp and to establish a DMX unidirectional data channel based on the DMX communication protocol with the adjacent lamp located at the downstream side of the DMX communication signal flow; A monitoring module, used to detect the working state of the LED light source and generate corresponding monitoring data of the lamp, wherein the monitoring module includes at least one of the following monitoring units: a voltage monitoring unit, a current monitoring unit and a temperature monitoring unit; A memory, used to store an identification code uniquely corresponding to the lamp; A data processor is connected to the RDM data receiving module, the first communication module, the second communication module, the monitoring module and the memory, respectively, and is used to control the LED light source to emit light and control the monitoring module to detect the working status of the LED light source according to the lighting control instructions and monitoring instructions received by the RDM data receiving module, and write the identity identification code of the lamp received by the first communication module into the memory, and associate the monitoring data of the lamp with the identity identification code of the lamp to form feedback data of the lamp, and send the identity identification code of the lamp on the downstream side of the DMX communication signal flow to the adjacent lamp on the downstream side through the second communication module, and then send the feedback data of the lamp and all the lamps on the upstream side to the adjacent lamp or controller on the downstream side of the RDM communication signal flow through the first communication module.

2. A lamp system, comprising a plurality of lamps connected in series, a controller connected to one end of the series body formed by the lamps, and a host computer connected to the controller for communication, characterized in that: The lamp is the lamp as claimed in claim 1, and the controller comprises: Remote communication module, used for remote two-way communication connection with the host computer; RDM data sending module, used to establish an RDM one-way data channel based on the RDM communication protocol with the lamp; A third communication module is used to establish a DMX unidirectional data channel based on the DMX communication protocol with the lamp to send the identification code data of the lamp and to establish a first RDM unidirectional data channel based on the standard RDM communication protocol with the lamp to receive feedback data from the lamp; The command module is used to generate monitoring commands according to the control signals sent by the host computer and send them to the lamps through the RDM data sending module; A data processing module, used for packaging the feedback data received by the third communication module into a feedback data packet and uploading it to the host computer via the remote communication module, wherein the feedback data packet is a return-to-zero code data packet; The controller and each lamp form a first RDM unidirectional data channel based on the standard RDM communication protocol and transmits data unidirectionally from the controller to the lamp. The controller also forms a second RDM unidirectional data channel based on the RDM communication protocol with the multiple lamps and transmits data unidirectionally from the lamp at one end far away from the controller to the controller one by one. The controller also forms a DMX unidirectional data channel based on the DMX communication protocol with the multiple lamps and transmits data unidirectionally from the controller to the lamp. Each lamp obtains lighting control instructions and monitoring instructions through the first RDM unidirectional data channel to control the LED light source to emit light and control the monitoring module to detect the working status of the LED light source, and obtains the identity identification code of the lamp through the DMX unidirectional data channel, and sends feedback data of the lamp and all lamps on the upstream side to the adjacent lamp or controller on the downstream side through the second RDM unidirectional data channel.

3. A lamp monitoring method, characterized in that: The steps include: Establishing a first RDM unidirectional data channel based on a standard RDM communication protocol with the controller; Establishing a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp or controller located at the downstream side of the RDM communication signal flow; Establish a DMX one-way data channel based on the DMX communication protocol with adjacent lamps or controllers located on the upstream side of the DMX communication signal flow; Establishing a second RDM unidirectional data channel based on the RDM communication protocol with the adjacent lamp located at the upstream side of the RDM communication signal flow; Establish a DMX one-way data channel based on the DMX communication protocol with the adjacent lighting fixtures located at the downstream side of the DMX communication signal flow; receiving a lighting control instruction and a monitoring instruction sent by a controller based on the first RDM unidirectional data channel; Receiving an identification code from a controller based on the DMX unidirectional data channel; Control the LED light source to emit light according to the light control instruction, monitor the LED light source according to the monitoring instruction and generate monitoring data of the lamp accordingly, and write the identity identification code of the lamp into the memory according to the identity identification code; The monitoring data of the lamp is associated with the identification code of the lamp to form the feedback data of the lamp, and then the feedback data of the lamp and all the lamps on the upstream side are sent to the adjacent lamps or controllers on the downstream side of the RDM communication signal flow.

4. The lamp monitoring method according to claim 3, characterized in that: The first RDM unidirectional data channel is implemented by an RS485 communication circuit and an RS485 bus using a standard RDM communication protocol.

5. The lamp monitoring method according to claim 3, characterized in that: The monitoring data includes monitoring data formed by monitoring at least one of the following parameters of the LED light source: voltage, current and temperature.

6. A lamp monitoring method, characterized in that: The following steps are involved: Establish a remote communication connection with the host computer; Establish the first RDM one-way data channel based on the standard RDM communication protocol with the lamp; Establish a DMX one-way data channel based on the DMX communication protocol with the lamps; Establish a second RDM unidirectional data channel based on the standard RDM communication protocol with the lamp; Generate a monitoring instruction according to the control signal sent by the host computer and send it to the lamp based on the first RDM unidirectional data channel; Send the identification code to the lighting fixture based on the DMX one-way data channel; Receive feedback data from the lamp based on the second RDM unidirectional data channel; The feedback data is packaged to form a feedback data packet and uploaded to the host computer based on the remote communication connection, wherein the feedback data packet is a return-to-zero code data packet.

7. A lamp monitoring method, characterized in that: The following steps are involved: The controller and each lamp form a first RDM unidirectional data channel based on a standard RDM communication protocol for unidirectional data transmission from the controller to the lamp; The controller and the plurality of lamps form a second RDM unidirectional data channel based on the RDM communication protocol and transmits data unidirectionally one by one from the lamp at one end far from the controller to the controller; The controller and the plurality of lamps form a DMX unidirectional data channel based on the DMX communication protocol and transmitting data unidirectionally from the controller to the lamps; Each lamp obtains lighting control instructions and monitoring instructions through the RDM unidirectional data channel to control the lighting of the LED light source and detect the working status of the LED light source and generate feedback data of the lamp; Each lamp obtains its own identification code through the DMX unidirectional data channel; Each lamp sends the feedback data of the lamp and all lamps on the upstream side to the adjacent lamp or controller on the downstream side through the second RDM unidirectional data channel.

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