150 results about "DMX512" patented technology

The invention provides an LED atmosphere illumination control system, which adopts the standard DMX512 control protocol and a bus type network structure. A controller intensively controls all LED lamps. The system comprises an embedded light synchronous controller, an indoor atmosphere illumination controller, a general high-power LED drive, a transmission medium and the LED lamps. The system canperform scene mode control by network control mode, remote control mode, automatic control mode, manual control mode and various control modes; no less than nine scene modes are preset or can be freely set according to individual preference; digital diming can be achieved by an embedded program, and the illumination and the color tone of the light can be controlled precisely; and each lamp can beindependently controlled or can be controlled by networking. The system can ensure the evenness of the illumination effect while achieving the energy-saving illumination control and is widely applicable to local intensive illumination control of public places and families.

A system and a method for operating devices (e.g., luminaries, light dimmers, effect devices, stepper motors, and the like) used in entertainment lighting applications is disclosed. Embodiments include a power supply operating a plurality of such devices coupled to selectively addressable outputs and having a converter of an industry-standard communication protocol (e.g., DMX512, RDM, or ACN protocol) in a communication protocol compatible with such devices.

The invention relates to a radio remote control address programmable and bi-directional communication digital light control system, comprising a micro processor, a memory, a radio sending and receiving module, a LCD display, a plurality of keys, a photo inductor, a communication interface circuit for DMX512 and DALI and a plurality of system processing software. The invention has the advantages that the functions of on, off, timing and light-adjusting for the a wireless remote control light or a wireless remote control electric appliance are realized; a programmable online radio for user address setup is provided; the emitter can control the receiver as long as the emitter has the same address as the receiver; the communication is bi-directional while the control is unidirectional; the LCD of the emitter displays human-machine conversation and integrates the functions of time, temperature, timing and switch. The invention is suitable for the control and use of radio remote control light and household appliances in families, hotels, restaurants, companies and other locations.

The invention provides a wireless lighting control system with a lighting control device and a method thereof. The lighting control device is connected in a wireless communication manner for being communicated with a receiving unit. A wireless transmitting module is used for transmitting a lighting control command, a scene control command and a program control command to a wireless receiving module so that stage lighting is switched in lighting or extinguishing, lighting or extinguishing time, brightness and lighting colors according to a digital multichannel transport protocol (DMX512) of a lighting control standard protocol and a control architecture of a stage lighting set is simplified, wherein the lighting control command carries a lighting or extinguishing parameter, a lighting or extinguishing time parameter, a brightness parameter and a lighting color parameter.

An illumination system uses a plurality of lamps with each lamp including a modular connector configured for connecting to a streaming data signal. Each lamp further includes an enumerating feature, with a second modular connector, so that a series or array of such lamps can be daisy-chained and thus connected to a control signal such as using the DMX512 standard. Each lamp is intended to retrofit a border light fixture in a stage, studio or entertainment lighting application. The enumeration of each lamp can be done by fixed assignment in the microprocessor nonvolatile memory, or by means of a dual-inline packaged switch bank (DIP switch), or by other electronic or electro-mechanical means. Such numbering is needed to allow each retrofit lamp to have a unique unit number so that it can be specifically addressed and get dimming instructions independently from other retrofit bulbs that share the same data stream.

The invention relates to a method for enabling data receivers to carry out automatic addressing in a regulation and control data network constructed on the basis of a DMX512 protocol and data receivers. The regulation and control data network comprises a DMX512 data controller/coder and DMX512 data receivers which are not more than 512, wherein the DMX512 data receivers adopt a tandem connection mode to construct a network. The data receivers firstly decode received frame data and read the respective regulate and control byte of the first k regulate and control data bytes and then recode the frame data and output the recoded frame data after deleting the first k regulate and control data bytes in the frame data. The invention realizes the automatic addressing of the data receivers without limited transmission distance under the condition of being compatible with the universal DMX512 data controller/coder, which enables the network construction and the later-stage maintenance to be convenient and enables the regulate and control data network to have more complicated regulate and control data transmission and distribution capabilities.

The invention discloses an LED lamp with adjustable color temperature and a color temperature adjusting method thereof. The LED lamp comprises an LED lamp group and a color temperature adjusting device; the color temperature adjusting device comprises a DMX512 control stand and a circuit board; the LED group comprises LED lamp bodies with different colors or color temperatures; a CPU is arranged on the circuit board and the CPU is respectively connected with a control panel, a display module, a memory, the DMX512 control stand and the LED lamp group; the control panel is provided with an assignment button for assigning the CPU. The read/write mode of the memory is changed to cause the CPU to carry out read/write operation on the memory, the brightness level figure is input by the evaluation button on the control board to drive the LED lamp bodies in the LED lamp group to illuminate and the brightness level figure is considered as a default value or modified value, thus the overall color temperature of the LED lamp group is changed.

The invention discloses a logic group address supporting method and a logic group address supporting system for DMX512 landscape lighting management and control. The system comprises an upper layer Internet management network and a plurality of lower layer DMX512 control networks; the management network and the control networks exchange information through an Internet/DMX512 gateway which serves as a node of the Internet management network to be connected with a PC manager and serves as a primary controller of the DMX512 control networks at the same time; each DMX512 control network consists of one primary controller and a plurality of secondary controllers, and operating parameters corresponding to logic group address and primary controller logic group addresses are set off line on the basis of the physical addresses of the secondary controllers; and when operating, the DMX512 control networks adopt the logic group address to realize complex functions such as landscape lighting. The system and the method have the advantages that: DMX512 control networks support the logic group address and are downward compatible with physical address addressed standard DMX512 products, and the logic group address can reliably realize the landscape lighting and other complex functions with high efficiency; and the control networks can operate independently and integrally by using the management network, and the intrinsic drawback of limited DMX512 control channels is overcome.

The invention relates to an enhanced DMX512 light control system which is added with an accessory channel. The enhanced DMX512 light control system comprises a main controller, a plurality of node control units and a plurality of lamps which are connected with each node control unit. The main controller is connected with a plurality of node control units by a main channel. The main channel uses a bus type network and a half-duplex in accordance with an RS485 communication protocol. Besides, the main controller is connected with each node control unit by an accessory channel at the same time. The accessory channel uses the series connection form hand in hand. The system uses an instructing frame and a responding frame to transmit information between the main controller and a plurality of node control units. The enhanced DMX512 light control system can carry out online real-time allocation of working parameters of each branch control node including an address and can obtain the working parameters of each branch control node on line at real time.

The invention discloses a dimmable linear LED projection lamp, which includes a drive plate, an LED light source and a casing assembly. According to the design, the drive plate is provided with an RS485 network bus, a singlechip microprocessor, a constant current drive chip, and a feedback detection circuit module; the casing assembly includes an upper casing, a bottom casing, a middle frame and a lampshade, which are combined mutually, wherein the lampshade comprises a double-closing/opening light baffle plate locked and fixed with an upper cover; a rotatable mechanism is designed, so as to regulate the light-emitting area and the emergent light angle; according to the design, the drive plate is provided with circuits corresponding to the RS485 transmismission and standard DMX (data mining extensions) protocols; and standard DMX512 data packages are sent and received through an RS485 network, and PWM (pulse width modulation) signals are generated via decoding and data conversion and are controlled and output through the constant current drive chip, so that the corresponding LED light source is driven. The dimmable linear LED projection lamp can regulate light effect, the regulating effect is good, the lamp irradiation area and irradiation height can be regulated, and the regulation is convenient and rapid.

A projector based on a light control data transmission protocol is disclosed, wherein the light control data transmission protocol is DMX512, or RDM, or ArtNet. The projector comprises an optical component, a projector driving board and a serial control circuit board, wherein, the serial control circuit board comprises a first serial interface, a serial control processing module and a second serial interface. The serial control processing module, by means of the first serial data communication connection, the control signal sent by the light console can be obtained, the control signal is processed into a signal format that can be directly applied by the projector driving board, and sent to the projector driving board through the second serial interface, thereby controlling the optical component to respond to the control signal. The invention achieves the technical effect that the original structure of the existing projector is not changed and a light control signal interface is added for the projector.

The invention relates to an intelligent control system for music fountains. The intelligent control system is mainly characterized in that the system comprises a DMX512 controller, an ambient lighting subsystem, a stage light subsystem, an underwater light subsystem, a water spray subsystem, an audio and video playing server, a sound amplification subsystem, a large screen subsystem and external control equipment; the DMX512 controller is connected with the ambient lighting subsystem, the stage light subsystem, the underwater light subsystem, the water spray subsystem and the audio and video playing server by a DXM512 communication protocol; the audio and video playing server is connected with the sound amplification subsystem and the large screen subsystem; and the audio and video playing server is connected with the external control equipment and achieves a control function. All the subsystems can be controlled in a unified way by one piece of external control equipment. The problem on how to intelligentize music fountain square performance is solved. The operation cost of music fountain show squares is greatly reduced, and high-speed synchronous operation of the subsystems is realized.

The invention discloses a lamplight system adopting multi-path parallel control. The lamplight system comprises a dimming platform, a plurality of paths of dimming controllers and two or more lamplight driving boards, wherein the output end of the dimming platform is connected with the input ends of the dimming controllers; the output ends of the dimming controllers are connected with the lamplight driving boards; the output end of each lamplight driving board is connected with a street lamp set; the dimming platform sends primary dimming signals to the dimming controllers according to the DMX512 protocol; after the dimming controllers process the dimming information sent by the dimming platform, the processed information is repacked into secondary dimming signals, and the secondary dimming signals are sent to the lamplight driving boards; the lamplight driving boards drive the street lamp set to work according to the secondary dimming signals. The lamplight system is high in efficiency and systematicness, and higher in practical value, and is particularly suitable for lamplight application occasions requiring multi-path parallel control.

A driving circuit, a decoding circuit and a decoding method thereof are provided. The decoding circuit includes an oscillator and a decoder including a frequency determining unit and a decoding unit. The frequency determining unit receives a clock signal and a data signal which is corresponding to DMX512 protocol, and samples one slot of the data signal according to the clock signal to generate a sample number corresponding to a slot period of the slot. Then, the frequency determining unit outputs a reference signal corresponding to the frequency of the clock signal according to the sample number. The decoding unit samples the data signal according to the clock signal and the reference signal to decode data carried on the data signal. The decoding circuit is able to sample the data signal correctly without disposing any external frequency adjusting element.

The invention provides a control system based on a DMX512 protocol. The control system comprises a DMX512 master controller, a data bus, N node controllers (N>=1) and controlled electric appliances. The DMX512 master controller and the node controllers form a bus network. Each node controller comprises a control signal input end, a control signal output end, an address signal input end and an address signal output end. The control signal input ends are connected with the data bus; and the control signal output ends are connected with the controlled electric appliances; the address signal input end of the nth node controller is connected with the address signal output end of the (n-1)th node controller (1<n<=N); the control system also comprises end identification marks; and the address signal input end of the first node controller and the address signal output end of the Nth node controller are connected with the end identification marks. The invention also provides a control method of the control system. According to the technical scheme, address writing is directly controlled through the master controller; the address writing process does not need the participation of men; and address writing can be done quickly.

The invention relates to a multi-compatible LED (Light Emitting Diode) lighting control system. The system comprises a main controller, sub-controllers and LED lamps, wherein the main controller transmits DMX512 lightness data signals to the sub-controllers according to a UDP (User Datagram Protocol), and the sub-controllers intelligently receive the DMX512 lightness data signals and output the DMX512 lightness data signals to the LED lamps after the DMX512 lightness data signals are processed. According to the multi-compatible LED lighting control system, lamplight change modes can be stored as required, and the control on the mode change of the LED lamps is realized through the main controller and the sub-controllers, so that the regulation and the change of lamplight are realized, and the effects of energy saving and beautifying are reached.

The invention discloses a DMX512 protocol based LED (Light Emitting Diode) lamp address writing method. The DMX512 protocol based LED lamp address writing method comprises step 1, performing address-free installation when LED lamps are arranged on a 485 bus; step 2, sending the address information of the LED lamps to the LED lamps from a controller through address lines respectively after the LED lamps are installed; step 3, reserving and burning a first address code of the address information in an MCU (Micro Controller Unit) of the first LED lamp after the first LED lamp receives the address information sent from the controller, sending rest of a second to an nth address code to MCUs of the next LED lamps respectively and sending the corresponding address code to the nth LED lamp in turn. According to the DMX512 protocol based LED lamp address writing method, addresses of products on one bus can be written at one time and the address writing does not need to be performed on every product separately.

The invention discloses an LED spotlight illumination control system based on a WIFI module. The LED spotlight illumination control system includes an embedded light synchronizing controller, an indoor atmosphere light operator, a general large-power LED driver, a WIFI module, and an LED spotlight, the general large-power LED driver and the embedded light synchronizing controller are connected with the indoor atmosphere light operator, the embedded light synchronizing controller and the indoor atmosphere light operator are connected with the WIFI module, the control system is connected into the Internet via the WIFI module, the embedded light synchronizing controller consists of a system control bottom plate A, a core control panel B, and a DMX512 patch board C, and the system control bottom plate A includes an ARM embedded processor which is connected with the core control panel B. The LED spotlight illumination control system based on the WIFI module can realize wireless control and mobile phone APP control, is convenient to control and flexible in control manner, and is easy to modify and operate.

The invention relates to the field of lamp lighting, and provides a lamp automatic address-writing method based on a DMX512 protocol, so as to solve the problem of low efficiency of an address writing method of the existing receiving chip. The lamp automatic address-writing method comprises the steps of: connecting a lamp end with a DMX512 controller; setting an address line port of the DMX512 controller to be low level after power on; sending address information to the lamp end by the DMX512 controller circularly; receiving the address information by the lamp end; and reading the address information saved in a storage and writing addresses after the lamps are electrified again. The technical scheme provided by the invention can achieve the effect that the addresses of all lamps can be written at a time without writing the address for each lamp separately, and the efficiency of the address writing method is high.

The invention discloses a DMX512 communication link and a method thereof. The DMX512 communication link is used for a DMX512 lamp control system and as the data transmission channel of a DMX signal decoder and a controlled lamp. The DMX512 communication link comprises the DMX signal decoder and a DMX512 communication link and lamp receiving and transmitting device, wherein the DMX signal decoder is connected with the DMX512 communication link and lamp receiving and transmitting device through a phase line L, a zero line N, a ground line G and a data line. The method of the DMX512 communication link comprises the steps of (1) sending the DMX512 communication link and (2) receiving the DMX512 communication link. The invention reduces the wiring cost of the DMX512 lamp control system, improves the driving capacity of the data bus and ensures that the DMX signal decoder can drive a plurality of DMX512 lamps in a long distance.

The invention discloses a lamp based on a DMX512 protocol, a light control terminal, a control system, and a control method. The control terminal comprises a communication unit, a terminal control unit, a signal conversion unit, and a power supply. The terminal control unit communicates with a control main unit through the communication unit, and the signal conversion unit converts a control signal outputted by the control unit into a DMX512 signal, and transmits the DMX512 signal to the DMX512 chip of each controlled lamp or lamp group. According to the invention, the control main unit or a remote control main unit transmits the control signal to the control terminal through wireless transmission or a cable, and the control terminal and the controlled lamp or lamp group are connected together to form a body, thereby guaranteeing the long-distance reliable transmission of the control signal, and achieving the large-range networking of an LED lamp and the lamp based on the DMX512 protocol. The control terminal can achieve the point-to-point synchronous control, also can achieve the point-to-line and point-to-plane synchronous control, and eliminates a conventional console which is heavy, consumes a large amount of power and is poor in reliability.

Disclosed herein is a method and apparatus that are capable of retransmitting lost RDM packets in RDM protocol to control various devices connected to DMX512 network. The method recovers an error in a remote controller for remotely controlling devices connected to DMX512 network via RDM protocol based on the DMX512 network. A RDM packet to be transmitted to each device is stored in a buffer, and then the RDM packet is transmitted to the device. A preset period of time is waited for so as to receive a response packet from the device. If the response packet is received within the preset period of time, a transaction number of the response packet is checked, and a sequence of the response packet with respect to previously arrived response packets is determined The corresponding RDM packet is retransmitted depending on a result of determination of the sequence.

The invention discloses a stage lighting and all-color LED (Light Emitting Diode) panel mixing system and a lighting signal conversion module thereof. The mixing system comprises a stage lighting system, an all-color LED panel system and a lighting signal conversion module. The lighting signal conversion module comprises a signal conversion microprocessor, and an RS485 receiving unit and a dial switch address identification circuit connected with the signal conversion microprocessor. The stage lighting system comprises an RS485 communication module connected with the receiving unit RS485; and the all-color LED panel system comprises an all-color panel control card interface unit connected with the signal conversion microprocessor. Due to the adoption of stage lighting and all-color LED panel mixing system with the lighting signal conversion module in the technical scheme, a stage lighting control signal DMX512 is converted so as to be conveniently controlled by the all-color panel control system, so that the integration of the stage lighting system and the all-color LED panel system can be realized ingeniously, an all-color LED panel can change synchronously along with the flickering, brightness and other changes of the stage lighting, further, the brand-new feeling can be brought to audience, and the stage atmosphere effect is promoted.