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 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: 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 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: 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: 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: 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 stage light with a defogging device includes a light head, in which a mounting plate for fixing a light source and a supporting plate for mounting optical lens are arranged. At a light outlet of the light head a light emitting lens is provided, a light source cavity is formed by the supporting plate, the mounting plate and a side wall of the light head. A blower is arranged in the light source cavity, which is configured to guide airflow into space between the supporting plate and the light emitting lens through an air guiding element. Hot airflow in the light source cavity is guided into the space between the supporting plate and the light emitting lens, so that the temperature of the space between the supporting plate and the light emitting lens is increased, thereby reducing a temperature difference in the light head to avoid water fog.

Abstract: A stage light with a lens buffering feature includes a light source emitting light along an optical path and a dimming lens provided on the optical path. The dimming lens is mounted on a mounting plate and moves freely along the optical path under the driving of a drive mechanism. A limit plate is provided on at least one side of the dimming lens along the direction of the optical path, and the limit plate is provided with a first buffering magnet thereon. The mounting plate is provided with a second buffering magnet corresponding to the first buffering magnet, and the polarities of the sides of the first buffering magnet and the second buffering magnet close to each other are the same. When the stage light is suddenly powered off or during transportation, the dimming lens or the mounting plate can avoid collision with other components.

Abstract: A stage light fixture capable of avoiding lighting in power off includes a light head, a brake motor, an auxiliary power supply, and a controller. The controller is configured to control the brake motor to drive the light head to move to a light-avoiding angle at which strong lighting cannot directly shining into a lighting outlet of the light head and perform power-off processing on the brake motor when the brake motor is switched to be powered by the auxiliary power supply. When the stage light fixture is suddenly powered off, the auxiliary power supply will supply power to the brake motor, and the controller enables a motor unit of the brake motor to drive the light head to move to the light-avoiding angle so as to avoid heat damage to the components inside the light head due to strong lighting irradiation.

Abstract: A special-shaped display screen includes a carrier, and a plurality of pixel point light sources. The plurality of pixel point light sources are provided on the carrier, each of the pixel point light sources is controllable independently, and at least a portion of the pixel point light sources are arranged in a non-matrix array. A special-shaped pixel light includes a special-shaped display screen, a storage unit, and a main control unit. A control method of a special-shaped pixel light includes the following steps: S1, the main control unit establishing a mapping rule according to orientation characteristics of the pixel point light sources; S2, storing the mapping rule into the storage unit; and S3, receiving a control signal and invoking relevant data in the storage unit to scan the pixel point light sources according to the mapping rule.

Abstract: A method for dynamically adjusting a PWM signal includes steps of: presetting a standard signal period and a standard duty ratio of an effective pulse; receiving a target duty ratio entered by a user and comparing the target duty ratio with the standard duty ratio; adjusting a duration of a signal period relative to the standard signal period while keeping a duration of the effective pulse unchanged to cause a duty ratio to reach the target duty ratio, when the target duty ratio is smaller than the standard duty ratio; adjusting the duration of the effective pulse while keeping the duration of the standard signal period unchanged to cause the duty ratio to reach the target duty ratio, when the target duty ratio is larger than the standard duty ratio, when the target duty ratio is equal to the standard duty ratio.

Abstract: A lighting effect adjustment system includes a light source module, and a focusing module, a magnification module and a light output lens that are arranged in sequence along a beam projection direction of the light source module. The focusing module, the magnification module and the light output lens are mounted on a stage light holder, The focusing module and the magnification module are independently slidable in a light path direction. An effect module is further slidably arranged between the focusing module and the light output lens. The effect module includes one or more effect sheets configured to be switched into and out from a light path, and motions of the effect module and the magnification module are independent without interference with each other.