20 results about "DMX512" patented technology

A light fixture is provided for use in photographic chambers that provides a combination of high flux, the ability to place / tuck the light fixture against a wall, and the ability to flash / tune the light fixture dynamically. The light fixture can use an energy efficient light source that generates far less heat than traditional mercury arc based lamps. The light fixture is modular and can be daisy chained to supply power and / or control signals to multiple attached light fixtures. Individual light fixtures may be joined together to form an array of light fixtures. The light fixtures may utilize the digital multiplex DMX512 standard for digital communication networks for controlling the light elements within the fixtures. The light fixture has a light output that is capable of providing a wide beam angle.

1. The name of the design product: silicone lamp strip (01, single color, DMX512). 2. The use of the design product: for lighting and decoration. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

1. The name of the design product: silicone lamp strip (02, single color, DMX512). 2. The use of the design product: for lighting and decoration. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The utility model relates to a simulated moonlight matrix device. A plurality of moonlight devices are spliced to form the simulated moonlight matrix device. A plurality of transparent hoisting mooring ropes are arranged at the two ends of any moon device; a stainless steel frame is wound on any moon device in the preset direction in the longitudinal direction; an LED lamp strip is clamped between the stainless steel frame and the moon device; an LED controller is connected to the LED lamp strip; the LED controller controls the LED lamp strip to emit light, so that the moon device can simulate the color of moonlight; the LED lamp strip is composed of multiple layers of transparent or semitransparent materials, and the dynamic light and shadow effect of the LED lamp strip is combined, so that a lamplight scene rich in rhythm feeling is formed. The device is based on a parameterization design technology, and the angle and the distance of each layer of light plates are accurately controlled, so that the soft and well-arranged lighting effect is generated. Meanwhile, through a DMX512 controller or an intelligent lamp control system, interaction and dynamic change of lamplight are achieved, and different scene requirements are met.

The invention provides an embedded type DMX512 (Digital Multiplex 512) signal recording system. The lamp control panel group is integrated with a FLASH storage chip and is used for storing information acquisition data of the DMX512 signal, recording the content of each frame of signal and acquiring signal frame data; the MCU chip group is processed, the signal frame data stored in the FLASH chip is read, and the system is controlled to run; the DMX signal line group is used for forwarding the signal frame data to other lamp equipment under the same group of signal lines in the DMX signal line group so as to realize scene deduction without a console; high integration is realized, recording and playing functions are embedded, the operation is intelligent, the off-line operation capability is strong, and accurate control is realized; the scene copying function realizes one-time recording and multi-position playing, and the efficiency of multi-lamp system deployment and program updating is greatly improved.

The utility model provides a multiplexed output dimming circuit based on a DMX512 protocol. A DMX512 interface unit is connected with a dimming processing unit; the digital isolation unit is respectively connected with the dimming processing unit and the dimming voltage reduction unit; the dimming step-down unit is connected with the power supply assembly; the power supply assembly is connected with a lamp panel to be dimmed; a dimming signal of the DMX512 interface unit is transmitted to the dimming processing unit; a plurality of paths of PWM signals of the dimming processing unit are transmitted to the digital isolation unit; a plurality of paths of PWM signals of the digital isolation unit are transmitted to the dimming step-down unit; a plurality of paths of PWM signals of the dimming step-down unit are transmitted to the power supply assembly; an output signal of the power supply assembly is transmitted to the lamp panel to be dimmed. The digital isolation unit is used for isolation, so that the transmission speed requirement of the high-frequency PWM signal can be met, and delay and offset are reduced.

The invention provides a DMX512 protocol-based 360-degree rotation reflection display device and a control method thereof, the DMX512 protocol-based 360-degree rotation reflection display device comprises one or a plurality of spliced display units, and a plurality of reflection cups with light outlets at the bottoms are arranged on shells of the display units; the driving assembly drives the rotating reflector plate to rotate by 360 degrees in the reflection cup in the axial direction of the rotating shaft through the transmission assembly. The light sources are arranged on the PCB, and each reflection cup corresponds to one light source in position; light rays emitted by the light source are emitted from the light outlet and irradiate the rotary reflector plate to realize reflection of the light rays; the microcontroller receives a control signal based on a DMX512 protocol and then forms a rotation adjusting signal and a light adjusting signal, the color and brightness change of light emitted by the light source are controlled by the light adjusting signal, and the rotation speed, the rotation direction and the angle change of the rotary reflector plate are controlled by the rotation adjusting signal. According to the display device provided by the invention, the variable light rays can be reflected through the rotating reflection sheets rotating at different angles, so that the intelligently-adjustable matrix type gorgeous and variable lighting effect can be realized.

The invention discloses a method and a system for transmitting a DMX512-RDM signal on a power supply line. The method comprises the following steps: a power supply, a controller, a bus driver respectively connected with the power supply and the controller, a two-wire power supply circuit connected with the bus driver, an impedance matcher connected with the two-wire power supply circuit, and an impedance matching circuit connected with the impedance matcher, the bus driver is connected with the two-wire power supply line, the bus adapter is connected to the two-wire power supply line, and the controlled equipment is connected with the bus adapter. The bus driver takes electricity from the power supply and supplies electricity to the controlled equipment through the two-wire power supply line and the bus adapter. According to the method, the technical cost is low, the reliability is high, the real-time performance is high, a large number of DMX512 signal cables are saved, and much inconvenience brought by the signal cables to installation, debugging, transportation and management of the DMX512-RDM system is avoided.

The present invention relates to the technical field of lighting driving. Disclosed are a multi-channel decoding driving circuit based on a DMX512 communication protocol, and a lamp and a package body therefor. The driving circuit comprises an address input / output protection circuit, an anti-reverse step-down filtering direct current circuit, a differential signal conversion circuit, and a plurality of step-down constant current dimming driving circuits; the address input / output protection circuit is electrically connected to a decoding control module; a signal reading end of the decoding control module is electrically connected to a signal output end of the differential signal conversion circuit; the decoding control module is provided with a plurality of PWM output ends; the plurality of PWM output ends are correspondingly electrically connected to the step-down constant current dimming driving circuits; the decoding control module sends an electrical signal to the step-down constant current dimming driving circuits by means of the PWM output ends; and the anti-reverse step-down filtering direct current circuit can provide a high direct current working voltage and a low direct current working voltage. The present invention meets the constant current output requirements and engineering requirements of multi-primary-color LED lamps, and can reduce the number of electronic components used.

The invention relates to a circuit capable of realizing RGBW constant power. The system comprises a power supply module used for providing working voltage; the DMX control module is electrically connected with the power supply module and is used for receiving and analyzing the DMX512 signal and outputting a corresponding multi-channel dimming control signal; the constant current driving module is connected to the DMX control module, is electrically connected with the power supply module, and is used for carrying out constant current driving on the LED load of each channel of RGBW; wherein the DMX control module is configured to support respective adjustment of the maximum power of the R channel, the G channel, the B channel and the W channel, so that the output power of a single color channel or in a full-bright state is constant at a preset power value. According to the invention, RGBW multi-channel constant power output circuit control can be realized, the output power in a single-color channel or multi-channel full-bright state is stabilized in a set range, and the lamp brightness consistency and the display effect are improved.

The utility model discloses a control module of an eight-channel double-position dimming system, and relates to the technical field of light control. The device comprises a circuit board 1, an access network port 2, an output network port 3 and a power supply interface 4, the left side of the circuit board 1 is provided with an access network port 2, the right side of the circuit board 1 corresponding to the access network port 2 is provided with an output network port 3, and two sides of the middle part of the circuit board 1 are respectively provided with a power supply interface 4. A standard DMX512 physical interface is adopted, RJ45 network port cascading is supported, and networking can be carried out conveniently; the system has the functions of automatic addressing, selectable gray scale output modes, self-test mode triggering and the like, and parameters are automatically recovered after power failure.

The utility model relates to LED light modulation technical field, specifically disclose a kind of all-in-one LED light modulation circuit, including power module, control module, DMX512 light modulation module, DALI light modulation module, VR light modulation module and LED drive module, the control module is respectively electrically connected with power module, DMX512 light modulation module, DALI light modulation module, VR light modulation module and LED drive module;The DMX512 light modulation module receives DMX512 light modulation signal and is transmitted to control module, the DALI light modulation module receives DALI light modulation signal and is transmitted to control module, VR light modulation module receives manually regulated VR light modulation signal and is transmitted to control module;Control module will DMX512 light modulation signal, DALI light modulation signal and VR light modulation signal are handled and converted, and output LED control signal to LED drive module, LED drive module drives LED light according to LED control signal and carries out light modulation.The utility model high integration, reduce production cost, support multiple light modulation mode, can satisfy the light modulation demand under different scenes, it is convenient to install and maintain.

The utility model discloses a communication circuit, a PCB and a projection lamp, the communication circuit comprises a voltage conversion unit, a control unit and a communication coding unit, the input end of the voltage conversion unit is used for connecting an external power supply device; the output end of the voltage conversion unit is connected with the power supply end of the control unit and the power supply end of the communication coding unit, the input end of the communication coding unit is used for being connected with external communication equipment, and the output end of the communication coding unit is connected with the control unit. The control end of the control unit is used for being connected with a lighting lamp. The control unit is used for decoding and transmitting a signal based on a DMX512 communication protocol; according to the communication circuit and the control unit disclosed by the application, decoding and transmission of signals are realized based on the DMX512 communication protocol, and the DMX512 digital communication protocol has the advantages of long transmission distance, strong anti-interference capability, high control precision and the like, and can accurately decode the signals, thereby realizing efficient and reliable control of light equipment.

The application provides a DMX512 protocol conversion system, method and lamp, and belongs to the technical field of LED lamps. The DMX512 protocol conversion system comprises a DMX512 input module, a DMX512 transmission module, a DC-DC voltage reduction module, a DMX512 to SPI module, an SPI transmission module and an SPI scanning point module. The DMX512 input module is connected with the DMX512 transmission module and the DMX512 to SPI module respectively. The DMX512 transmission module is connected with the DMX512 to SPI module. The SPI transmission module is connected with the DMX512 to SPI module. The SPI scanning point module is connected with the DMX512 to SPI module and the SPI transmission module respectively. The DC-DC voltage reduction module is connected with the DMX512 to SPI module. On the basis of reserving the DMX512 control protocol on the brightening lamp, the DMX512 signal is converted into an SPI signal through the DMX512 to SPI module, the lamp is controlled through the SPI signal, the effect of single lamp control is achieved, and the display effect of the lamp is more delicate.

1. Name of the designed product: Converter (TEKMAND NODE T2P / T4P IP). 2. Use of the designed product: For data signal conversion and amplification, such as converting ArtNet / sACN data into DMX512 / RDM data. 3. Design points of the designed product: In shape. 4. Picture or photo that best indicates the design points: Design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention relates to the technical field of intelligent regulation and control, and discloses an IGBT-based sine wave digital micro-circuit breaker intelligent dimming method and system, and the method comprises the steps: obtaining an adjustment mode serial number, querying the adjustment mode serial number through a local storage unit in a control module, and obtaining a preset parameter sequence of a target scene; issuing the preset parameter sequence of the target scene to a power module cluster by using a DMX512 bus; the method comprises the following steps: acquiring three-phase alternating current of each power module in a power module cluster to obtain an initial three-phase alternating current sequence, and carrying out IGBT-based power regulation operation on the initial three-phase alternating current sequence by utilizing the power module cluster according to a target scene preset parameter sequence to obtain a sine regulation three-phase alternating current sequence; and sending the sine adjustment three-phase alternating current sequence to a pre-constructed light-emitting element device to obtain the target intensity light. According to the invention, the brightness adjustment accuracy of the lamp can be improved under remote control.

This invention discloses a multi-factor environmental simulation system for high-speed train passenger comfort research, specifically relating to the field of environmental simulation technology. It includes a system that uses a Roots blower, vacuum pump, and controllable butterfly valve to switch between positive pressure, negative pressure, and baseline balance states within the cabin based on the opening and closing sequence of these components. Pressure sensors and an overpressure protection relief valve monitor the cabin pressure in real time and automatically release pressure when it exceeds a preset upper limit. Wide-angle speakers are evenly distributed inside the simulation cabin, and a multi-channel speaker controller and control computer are loaded with a train noise database to achieve millisecond-level synchronized playback. A binaural artificial head device is used to collect and correct the cabin sound field in real time. Multiple programmable LED light strips are evenly distributed along the top and side walls of the simulation cabin, and brightness, color temperature, and dynamic change rhythm are controlled in a closed loop using DMX512 or SPI protocols. This invention helps to accurately reproduce the dynamic environment inside a train.

The application discloses a servo driver control system based on a DMX512 protocol and a control method thereof; the system comprises a DMX512 signal input module, an RS485 transceiving module, a main control module, an output driving module, a servo driver and a servo motor. After a DMX512 differential signal is converted into a serial port signal by the RS485 transceiver, the signal is subjected to cross-domain processing by the main control module; a plurality of DMX channels are combined and reconstructed into high-resolution motion instructions and multi-dimensional servo parameters by a parameter mapping unit; a safety protection unit performs ramp limiting and smoothing processing on instructions with sudden changes in DMX channel values, and forcibly executes stop and interlocking arbitration when communication timeout or hardware emergency stop / limitation triggering occurs; and the processed signal is sent into the servo driver through an isolation driving module. The application solves the interface, resolution and safety logic conflicts between the DMX512 light protocol and industrial servo control, and is suitable for stage machinery, exhibition display and non-standard automation scenes.

The utility model discloses a control circuit of an LED fantasy color lamp band. The control circuit comprises a communication circuit, a working circuit and a light-emitting circuit. The working environment comprises a controller and a lamp strip, the controller is connected with the lamp strip through a transmission line, a main control chip and a communication circuit are arranged in the controller, and a working circuit and a light-emitting circuit are arranged in the lamp strip. The controller controls the lamp strip to work by means of a DMX512 protocol through a transmission line, and a working circuit in the lamp strip controls the light-emitting circuit through a TTL protocol, so that the long-distance control of the controller and the lamp strip has relatively strong anti-interference capability, external electromagnetic interference can be effectively resisted, and the stability and accuracy of color control of the LED lamp strip in a complex electromagnetic environment are ensured.

The utility model discloses a lamp system capable of numbering. The lamp system comprises a plurality of lamps, a controller and a power source. Each lamp is in communication connection with the controller through a bus; the power source is connected with the lamps and the controller through power lines. The lamps send the corresponding power supply voltage information to the controller through the bus, the controller sorts and numbers the lamps according to the power supply voltage information, the power supply voltage of the lamps is read and sent to the controller, the controller sorts and numbers the lamps according to the voltage level, even if the lamps are damaged, subsequent code writing of the lamps cannot be affected, and the working efficiency is improved. The code writing mode does not depend on code writing lines connected in series, so that the technical problems that the DMX512 technology is inconvenient to install and debug in practical application, and numbering cannot be carried out due to damage of the lamp are solved.