Abstract: An automatic control system includes a tag, a base station, a main controller, and an auxiliary controller. The tag is bound to a target and transmits a target position signal. The base station is in communication connection with the tag and receives the target position signal. The main controller includes an angle conversion module, a protocol conversion module, and a data filtering module, in which the angle conversion module is in communication connection with the base station to convert the target position signal into a first light angle control signal. The auxiliary controller includes an effect control module that transmits the light effect control signal and a second light angle control signal.

Abstract: A motor assembly for slowing down falling speed of a stage light fixture on power failure includes a motor driver, an automatic transfer switch, a capacitive load, and an alternating current motor. In the case that the automatic transfer switch is energized, windings of the alternating current motor are kept connected to the motor driver, and in the case that the automatic transfer switch is deenergized, the windings of the alternating current motor are switched to be connected to the capacitive loads. The motor assembly according to the present disclosure can reduce the falling speed of the stage light fixture in case of the power failure.

Abstract: A waterproof base convenient to maintain includes a bottom frame which is integrally die-cast formed, and an upper cover with a pivoting hole covering the bottom frame. The upper cover includes a first cover body and a second cover body which are spliced to each other. The pivoting hole is formed by jointly splicing the first cover body and the second cover body, and an oil seal for sealing the outer side of a pivoting shaft penetrated the pivoting hole is disposed at the pivoting hole. The oil seal is mounted and fixed by a mounting plate. A first sealing strip seals the first cover body, the second cover body and the mounting plate with respect to each other, the first cover body and the second cover body abut against the bottom frame, and second sealing strips are disposed at abutting positions.

Abstract: A stage light fixture with a split light mixing device includes a light source for generating a light beam and a light mixing device for reflecting the light. The light mixing device includes a light guide with a gradually changing cross-sectional area and a light beam homogenizer for receiving the light beam emitted from a light output surface of the light guide. The light beam homogenizer and the light guide are independent of each other, and the cross-sectional area of the light beam homogenizer is at least 1.1 times of the cross-sectional area of the light output surface. The stage light fixture further includes a holder for clamping and fixing the light guide, and a cover fastened to the end of the holder away from the light source. The cover is configured to press the light beam homogenizer tightly to closely attach to the light output surface.

Abstract: A stage light fixture with an integrated lens holder includes a light head having a light source and a light-outgoing lens assembly, light emitted from the light source being projected through the light-outgoing lens assembly; and a support arm for supporting the light head to rotate. The light head is provided with a lens mounting ring for fastening the light-outgoing lens assembly, a support plate having a light-passing hole, and a plurality of support pillars for connecting the lens mounting ring to the support plate, which are integrally form the lens holder in an integrated form to accommodate a focusing assembly and/or an amplifying assembly. Compared to the lens holder formed by splicing metal plates, such integrated structure can reduce parts for assembly and reduce geometric tolerance due to multiple process flow, thereby achieving improved assembly accuracy. Meanwhile, the integrated lens holder can strengthen the whole strength thereof.

Abstract: A waterproof base convenient to maintain includes a bottom frame which is integrally die-cast formed, and an upper cover with a pivoting hole covering the bottom frame. The upper cover includes a first cover body and a second cover body which are spliced to each other. The pivoting hole is formed by jointly splicing the first cover body and the second cover body, and an oil seal for sealing the outer side of a pivoting shaft penetrated the pivoting hole is disposed at the pivoting hole. The oil seal is mounted and fixed by a mounting plate. A first sealing strip seals the first cover body, the second cover body and the mounting plate with respect to each other, the first cover body and the second cover body abut against the bottom frame, and second sealing strips are disposed at abutting positions.

Abstract: A device for reducing jitter of light source in low brightness by a vibration suppression module includes an LED light source, an inductor L, a current control module, a switch K1, a signal control module, a current acquisition module, and the vibration suppression module. The present invention can eliminate a current ripple in a rising process of a current in the LED light source, as well as suppressing current oscillations generated when the current changes suddenly, the current on the LED light source thus can rise steadily, the LED light source can be steadily brightened in a brightness adjusting process of a dark part, and a phenomenon of light flicker and jitter caused by the current oscillation and the current ripple is avoided.

Abstract: An LED dimming device with a high refresh rate and smooth dimming includes a constant current source circuit and an LED dimming circuit that are sequentially connected in series. The LED dimming circuit includes an LED and a first electronic switch. A positive electrode of the LED is connected to an output end of the constant current source circuit. The first electronic switch is connected in parallel at both ends of the LED. The LED dimming device further includes an energy release circuit and a first control circuit. The energy release circuit is connected in series with the first electronic switch to release excess energy in the constant current source circuit. The first control circuit is connected to the first electronic switch to control turning on or off of the first electronic switch.

Abstract: A small-sized aperture assembly includes a base plate, an optical shutter fixed to the base plate, a motor providing a driving force, a linkage mechanism with one end connected to the motor, and a transition gear located between the linkage mechanism and the optical shutter. A periphery of the optical shutter is provided with a sawtooth segment meshed with the transition gear, and the other end of the linkage mechanism is hinged to the transition gear, so that the linkage mechanism drives the transition gear to move under the driving of the motor, and enables the optical shutter to switch between a closed state and an open state.

Abstract: A waterproof light head structure of a stage light fixture includes a main bracket, a front cover and a rear cover respectively disposed at the front side and the rear side of the main bracket, and a light outgoing lens assembly disposed above the main bracket. The main bracket includes an upper support and a lower support, the upper support is mounted above the lower support and is in sealed and detachable connection with the lower support. The upper support is at least used for mounting an optical lens assembly, and the lower support is at least used for mounting an effect assembly. The main bracket is disposed in a cavity formed by joining the front cover with the rear cover, and the front cover and the rear cover are in sealed connection with the light outgoing lens assembly and the main bracket along the edges thereof.

Abstract: A method for fixing an initial brightness level of lights is provided. Gamma correction is performed on the light based on a dynamic Gamma curve. When a user adjusts brightness of the light based on the dynamic Gamma curve, a dynamic Gamma curve image is valid all the time when a set current brightness level n changes from 0 to N, and when x>0, the dynamic Gamma curve image is continuous, and accordingly, brightness of the light continuously changes gradually. Further, by calculating an initial brightness PWM critical duty ratio D of light sources, the dynamic Gamma curve is customized according to the light, so that an initial brightness level position of the light sources in the same model is fixed and unified.

Abstract: A low-noise reset control system of a light fixture includes a supporting member, a pivoting member and a driver. A limiting portion is arranged on the pivoting member, A blocking portion for limiting a rotation angle of the pivoting member is arranged on the supporting member. The system further includes an angle detector for sensing rotation angle of the pivoting member and an angle indicator for sending out indication signal when the pivoting member is at a specific angular position. In a reset process, when the pivoting member rotates in a forward direction until the limiting portion is blocked by the blocking portion, the driver brakes immediately and drives the pivoting member to rotate by a certain angle in a reverse direction at low speed, then to increase speed and continue to drive the pivoting member to rotate in the reverse direction to look for a relative initial position.

Abstract: A simple light-blocking and air-exhausting device includes a ventilation plate and a light-blocking plate arranged oppositely and spaced apart from each other. The ventilation plate is provided with an air vent formed by die-cutting the ventilation plate, and vertical projection of the light-blocking plate on the ventilation plate overlaps the air vent. The vertical projection of the light-blocking plate on the ventilation plate overlaps the air vents on the ventilation plate, so that the light-blocking plate can prevent light from leaking out of the air vents, while air flow can flow out from a gap between the light-blocking plate and the ventilation plate.

Abstract: A light fixture system with auto-adjustable inclination angle of a lens includes a case, a supporting arm pivotally connected to the case and rotatable in a first dimension, and a light head pivotally connected to the supporting arm and rotatable in a second dimension. The light head is provided with a light source, a light-transmitting lens, and at least three driving mechanisms for driving the light-transmitting lens to move along an outgoing direction of the light source, and the driving mechanisms are independent from each other and not located in the same line. An angle detector is used to monitor an included angle of the light-transmitting lens with respect to the outgoing direction of the light source, when the light-transmitting lens is not perpendicular to the outgoing direction of the light source, the light-transmitting lens is controlled to be perpendicular to the outgoing direction of the light source.

Abstract: Disclosed is a visualized light adjustment method and system. The method includes the steps of: S1. acquiring a light spot projection scenario of lights using an imaging device, and displaying the light spot projection scenario in real time by a display device; S2. selecting coordinates of a light spot on the display device using an input device, and inputting a desired light effect; and S3. controlling, by a console, the light corresponding to a physical address to generate a corresponding light effect, based on the selection by the input device and an association relationship between the coordinates of the light spot and a physical address of the light.

Abstract: A stage light fixture with an optical parameter detection function includes a light head, a supporting arm and a case. A light source for generating a light path, a light guiding member for guiding light to deviate from the light path, and an optical parameter detector are provided in the light head. The light guiding member can be freely switched into/out of the light path via a driving mechanism. The optical parameter detector can receive and detect the light guided out by the light guiding member. According to the present invention, the light guiding member can be switched into the light path to guide the light to the optical parameter detector for detection, only when the stage light fixture is started to work, or detection is performed at an interval between operations of the stage light fixture, while switched out of the light path when in operation.

Abstract: An effect device easy to mount includes an annular frame, effect sheets and fixing assemblies for pivoting the effect sheets in the annular frame. The fixing assembly has a first insertion pin and a second insertion pin respectively mounted at two ends of the effect sheets and used for pivoting. The first insertion pin is sleeved with an elastic element and an end portion of the first insertion pin penetrates through a mounting hole in the annular frame. A first protruding portion protrudes out of an end, close to the effect sheets, of the first insertion pin. One end of the elastic element abuts against the first protruding portion, and the other end of the elastic element abuts against an inner side wall of the annular frame. The second insertion pin is fixed in a pivoting mode.

Abstract: A unified color control method for a multi-color light, including the following control steps: S1: setting unified color control system and color implementation system for different light sources; S2: inputting a target color parameter, and calculating a target color chromaticity coordinate (xt,yt) by the color control system according to the target color parameter: S3: calculating a primary-color duty ratio Di of corrected colors by the color implementation system using a linear programming equation according to the target color chromaticity coordinate (xt,yt), and a chromaticity coordinate value (xi,yi) and a maximum brightness value Yi of each primary color for each light source under a maximum duty ratio, in which i represents an i-th primary color; and S4: updating colors by the light sources according to the primary-color duty ratio Di of corrected colors in step S3.

Abstract: A method of quickly setting a DMX address of a light fixture, the controller sending a DMX address to an i-th light fixture through a first signal line; the i-th light fixture setting DMX address as the received DMX address, calculating a DMX address of an (i+1)th light fixture based on the received DMX address, and sending the DMX address of the (i+1)th light fixture to the (i+1)th light fixture through the first signal line; the (i+1)th light fixture setting DMX address thereof as the received DMX address, and sending a feedback signal to the i-th light fixture through the first signal line; the first light fixture to the i-th light fixture each sending a counting signal or a UID code or a successfully set DMX address to the controller through the first signal line if the i-th light fixture does not receive the feedback signal within a set time.