10722 results about "Light fixture" patented technology

The invention discloses a matrix layout illumination state detection method, device and equipment, and the method comprises the steps: collecting and analyzing a power supply bus current waveform and a single lamp feedback signal, and generating a node feature cluster; extracting a power consumption difference value of adjacent lamps, identifying an abnormal observation point and constructing a fault diffusion chain; marking a timestamp for the fault diffusion chain, determining a fault source, and marking current by injecting characteristics to delimit an influence domain; deploying monitoring anchor points at the boundary of the influence domain, collecting the light color parameter variation and predicting the residual life; extracting the oscillation envelope of the starting current peak, evaluating the health degree of the driver and generating a maintenance density field; and a three-dimensional detection field is constructed by fusing multi-dimensional detection data, singular points are searched, and coordinates of a fault lamp are accurately analyzed through fault positioning pulses. According to the invention, three-dimensional monitoring from electrical characteristics and optical performance to driver states is realized, a single lamp fault can be accurately positioned, a life trend can be predicted, fault propagation can be tracked, and technical support is provided for intelligent operation and maintenance of a large-scale illumination system.

The invention relates to the technical field of LED dimming control, in particular to an LED ceiling lamp control system based on dynamic light source adjustment, which comprises a brightness sensing module, a dimming decision module, a light source regulation and control module, an anomaly detection module and a brightness optimization module. According to the invention, the operation load of the lamp is dynamically measured and calculated by combining ambient light and thermal radiation data, the collaborative perception of illumination intensity and thermal energy distribution is realized, the response sensitivity to weak brightness change is improved by comparing the brightness demand with the real-time output deviation and accurately identifying the dimming trigger condition, and the response sensitivity to weak brightness change is improved by comparing the initial brightness with the feedback difference value. The brightness of a plurality of lamps can be adjusted coordinately, the spatial light environment is kept stable and consistent, overload and temperature rise abnormity can be checked and abnormal lamps can be identified by combining current fluctuation and temperature abrupt change analysis, an intervention record and reaction duration comparison mechanism is introduced into a regulation and control instruction, the response efficiency is improved, and the efficiency is improved. And brightness priority adjustment and overall illumination balance control of the key area are realized.

The invention provides a multi-scene-oriented intelligent light adaptive control method and system, and the method comprises the steps: recognizing the current behavior state of a user based on visual sensor data, predicting the behavior state of the user, and outputting a light control behavior tag; combining the behavior label with a scene type and ambient light intensity to generate a target illumination intention vector; according to the target illumination intention vector, in combination with an illumination control conflict situation, real-time lamp parameters and user space state data, calculating an illumination weight of each lamp to a user, distributing brightness and color temperature parameters, and in combination with the target dimming process duration, generating a lamp control parameter set; and converting the lamp control parameter set into a dimming instruction sequence, performing time synchronization and delay compensation, and issuing the dimming instruction sequence to each lamp for execution. According to the method, accurate mapping from behavior intention to physical illumination is realized, and the method has extremely high universality, deployability and engineering controllability.

The invention relates to an LED intelligent lighting control method and device based on the Internet of Things, and the method can collect the environment perception data of a plurality of intelligent LED lamps, and carries out the dimming calculation, and obtains an initial dimming parameter. Performing instruction construction on the initial dimming parameters in combination with historical energy consumption records and environmental perception data of the intelligent LED lamp, and generating a target dimming instruction; controlling the intelligent LED lamp through an edge gateway based on the target dimming instruction, and obtaining lamp response data; and continuously judging the intelligent LED lamp according to the lamp response data to obtain fault judgment information, and triggering an operation and maintenance control instruction. According to the invention, the operation state of the intelligent LED lamp can be accurately judged, potential faults can be found in time, and automatic operation and maintenance can be triggered. According to the invention, the operation state of the intelligent LED lamp can be accurately judged, potential faults can be found in time, and automatic operation and maintenance can be triggered.

A method for operating smart fixtures to enable artificial intelligence-based emergency detection, communication, and response within a building is disclosed. The method includes monitoring environmental conditions using sensors integrated into smart fixtures, such as power receptacles, light switches, and vents. Audio, image, and physiological motion data are captured and transmitted to a processor for analysis. The system extracts signal and motion-based features, identifies subjects, and calculates health parameters to assess distress levels. If an emergency is detected, an emergency communication signal is generated, and a communication session with a remote device is established. The system provides real-time situational updates and executes emergency response actions, such as adjusting power distribution and environmental controls. Predictive analytics modules enhance response efficiency by anticipating subject movements and optimizing emergency interventions. The smart fixtures facilitate intra-building communication and user interaction through voice-activated queries, enabling an adaptive and intelligent emergency management system.

The invention relates to the technical field of lamp model integration, in particular to an integrated design method and system for a three-dimensional simulation model of lamp equipment. The method comprises the following steps: acquiring lamp equipment basic data, classifying the lamp equipment basic data according to components, performing three-dimensional reconstruction of independent components, forming three-dimensional lamp basic composition units, acquiring a physical connection relationship, determining functional positioning of each unit, and segmenting the lamp equipment basic data into three-dimensional decoration units and three-dimensional light source units; determining a physical support structure according to the three-dimensional decoration unit; simulating and optimizing a load bearing design through weight aggravation; generating and optimizing the three-dimensional decoration unit; performing light scattering simulation based on the three-dimensional light source unit, tracking a light scattering track of the light source, optimizing the three-dimensional decoration unit according to the light scattering track, and integrating the three-dimensional light source unit and the final decoration unit. And forming a lamp equipment design integration model. According to the invention, the design efficiency of the lamp equipment is improved, and the digitization and intellectualization process in the field of lamp design is promoted.

The invention relates to an office intelligent control method and device based on multi-source data fusion and electronic equipment. The method comprises the steps that station use state data, environment illumination intensity data, personnel movement data and current lamp state data are acquired; based on the station use state data, the station use state is judged, and a corresponding illumination control strategy is generated; according to the illumination control strategy, the lamp brightness of the corresponding station is controlled; controlling to turn off the lamp in response to judging that no person is at the target station; calculating and outputting a target brightness value based on the environment illumination intensity data in response to the judgment that the current station is provided with the person; in the presence of a person, receiving a manual adjustment instruction sent by a user for the target brightness value, and performing adaptive optimization on the brightness calculation logic of the target brightness value; and in response to the lamp failure, controlling to lighten the lamps near the failed lamp and generating maintenance alarm information. According to the invention, the problems of high misjudgment rate, single control strategy, waste of energy consumption and poor user experience are solved.

The invention provides an optical system, a control method, a vehicle optical signal device, a vehicle lamp and a vehicle, the optical system comprises at least one first light source assembly and a second light source assembly, and light emitted by the first light source assembly passes through an optical assembly and is emitted from a first light emitting area of a light emitting surface of the optical assembly; light emitted by the second light source assembly passes through the optical assembly and is emitted from a second light-emitting area of the light-emitting surface of the optical assembly, and at least partial area overlapping exists between the first light-emitting area and the second light-emitting area; wherein light emitted by the first light emitting area serves as a first light function, light emitted by the second light emitting area serves as a second light function, the first light function serves as a marker lamp of the driving automation system, and the second light function serves as other light functions with colors different from those of the first light function. Therefore, the structure and function multiplexing of the automatic system marker lamp and other signal lamps is realized, the cost of independently designing and manufacturing the automatic system marker lamp is effectively reduced, and the occupied space of the whole vehicle lamp is effectively reduced.

The invention discloses a lamplight simulation test control system for landscape lighting, relates to the technical field of lamplight control, and is used for solving the problem of poor optimization of intelligent lamplight control. Structured time series data are constructed through holiday and festival identification functions, weather states, sunshine information and people flow density, nonlinear mapping is performed after unified sampling and sliding window alignment, and a tensor type input data set is generated; state recursion and context adjustment are carried out by combining a gating circulation unit with a space situation embedding vector, and illumination, color temperature and control level prediction sequences at multiple moments in the future are output; and constructing a control fragment path according to an illumination change trend and a color temperature sign function, collecting current illumination, flow density and an equipment response state to generate deviation information, executing a feedforward and feedback fusion strategy, outputting a control instruction set including the illumination, the color temperature, a lamp on-off state and a mode label, and realizing adaptive and dynamic light control.

The invention discloses an AI-based illumination control system self-adaptive dimming method, which comprises the following steps of: acquiring a two-dimensional coordinate, a motion track curve and voice communication data of a personnel position, and identifying social interaction scene categories of different time slices; determining a social interaction strength score according to the voice communication data, and predicting the most adaptive spectrum configuration data in the current social interaction scene in combination with the social influence factor matrix and the social interaction scene type; according to a historical dimming log and an energy consumption metering curve, identifying a short-term high-frequency dimming segment, and adjusting a real-time response strategy and a disturbance classification processing mechanism of the spectrum configuration data; and adjusting the illumination power distribution values of the high-frequency use area and the low-frequency use area according to the occupation raster data generated by the millimeter-wave radar and the infrared array in combination with the lamp area mapping relation and the power budget constraint. Through multi-source data fusion and a self-adaptive regulation and control mechanism, unification of real-time performance, pertinence and energy-saving performance of spectrum regulation is realized, and the dynamic response capability and the user perception experience of the intelligent illumination system are improved.

The invention discloses an intelligent variable-frequency dimming method and system, and relates to the technical field of computer platform load balancing, and the method comprises the steps: establishing communication between a module and a gateway, loading a frequency mapping table, a duty ratio segmentation point, a safety threshold and a forbidden frequency point table, and generating an initialization vector in combination with parameters of a driver and a lamp; collecting current, voltage and optical brightness data at typical brightness points to form a matrix, calculating a risk value and marking a critical point, generating three-section type frequency mapping by combining segmentation points, and performing interpolation correction; and receiving a brightness instruction according to the mapping table to generate a PWM signal, performing slope limiting, edge shaping and micro-jitter frequency processing and outputting, and performing closed-loop frequency correction under real-time sampling. According to the method, by collecting multi-source data and introducing a stroboscopic risk model, critical point identification and three-section type frequency mapping are realized, and frequency continuity and stability are ensured by combining interpolation and forbidden frequency point constraint; on the basis, a PWM signal is generated and optimized, so that self-adaptive dimming is realized in a full-brightness interval.

The invention relates to the technical field of lighting electrical testing, in particular to a lamp testing system and method, and the system comprises an electrical parameter collection module, a harmonic analysis module, an optical collection module, a light fluctuation analysis module and an abnormality judgment module. Wherein the electrical parameter acquisition module is used for acquiring a real-time voltage waveform of an input end of a lamp; the harmonic analysis module is used for extracting a fundamental wave and each harmonic component and calculating a harmonic distortion rate; the optical acquisition module is used for synchronously acquiring light signal time sequence data of the light emitting surface of the lamp; the light fluctuation analysis module calculates the light fluctuation frequency of the light source; and the abnormity judgment module is used for generating an electrical-optical relevance index and comparing the electrical-optical relevance index with a preset threshold value so as to output a stroboscopic qualification judgment result of the lamp. According to the method, the accuracy of lamp stroboscopic detection and the causal identification capability are effectively improved by constructing the electrical-optical correlation index and realizing synchronous judgment.

The invention provides an LED lamp adaptive speed regulation heat dissipation method and system based on real-time junction temperature monitoring. The method comprises the following steps: S100, acquiring a PWM signal or an analog signal of an LED driving command signal in real time; s200, on the basis of the change of the driving instruction signal, feedforward prediction is carried out by using a dynamic thermal inertia mapping model, and a feedforward fan control quantity is generated; s300, LED junction temperature is monitored in real time through a forward voltage method, and feedback fan control quantity is generated through a feedback controller according to the deviation between the real-time junction temperature and the target junction temperature; and S400, synthesizing the feedforward control quantity and the feedback control quantity to generate a fan PWM control signal, outputting the fan PWM control signal to a fan driving circuit, and adjusting the rotating speed of the cooling fan. According to the method, driving signals and junction temperature information are processed in parallel, and feedforward and feedback control is combined, so that self-adaptive accurate regulation and control are realized, thermal load change is quickly responded, system lag is effectively inhibited, and LED heat dissipation performance is optimized.

A four wire-to-two wire lamp control signal transmission method includes: level states of lamp control signals in a four-wire system being synchronously sampled within a preset sampling period, a preset converted signal corresponding to control information carried by the level states of the lamp control signals being generated and encoded to obtain a coded signal superposed onto integrated electric power of the four-wire system to form composite electric power transmitted by a two-wire system to drive a load. Lamp control signal transmission can be achieved without sampling lamp control signals within a complete period. The level states of the lamp control signals are transmitted in the form of the preset converted signal, such that the data transmission quantity can be reduced, and the signals can be transmitted approximately synchronously, solving the problem that a lamp fails to be driven in case of a low duty cycle of lamp control signals.

The invention provides a lamp layout method and a lamp, and relates to the technical field of intelligent lighting. Personnel activity data are generated by acquiring real-time signal data acquired by a sensor in a target space and performing clustering analysis and behavior recognition. And generating target illumination and color temperature data of each region through biological rhythm correlation modeling and time sequence prediction based on personnel activity data and historical rule data. And performing multi-target weight dynamic optimization and improved genetic algorithm solution by adopting the generated data and personnel movement characteristics to obtain a lamp control strategy. And performing priority division and differential driving adjustment in combination with the real-time distribution of the personnel and the aging state of the lamp, and generating illumination feedback data. And iteratively executing adjustment based on the feedback data, the target illuminance, the color temperature data and the adjacent lamp collaborative error optimization control parameters. Illumination distribution is optimized by dynamically adapting to personnel activity rules, real-time illumination requirements can be accurately matched to reduce energy consumption and improve utilization efficiency, and scene adaptability can be considered.

The invention relates to the technical field of intelligent illumination control, in particular to a remote cluster intelligent management method for a plant light supplement lamp group, which comprises the following steps of: acquiring illumination and lamp state data and processing to generate a monitoring graph layer, analyzing an illumination and power relation to identify abnormity, extracting features to screen proper lamps and marking positions; and tracking an illumination change path, and outputting an illumination behavior linkage response instruction set. According to the method, accurate screening of illumination abnormal intervals and power deviation lamps is achieved by recognizing the relation between illumination states and lamp operation characteristics, illumination space distribution is matched and optimized in combination with plant requirements, an offset path and a key area section are extracted by superimposing a time change track, the illumination dynamic evolution process is effectively tracked, and the accuracy of the illumination dynamic evolution process is improved. The light turning behavior is identified by fusing the time cooperation characteristics of the power and the efficiency, the illumination linkage response is realized, the timeliness and the space adaptability of the control are improved, the precise light supplement requirement of the plant is met, the resource utilization rate is improved, and the energy consumption redundancy of a non-target area is reduced.

The invention relates to the technical field of intelligent lighting control, and discloses an LED lighting energy-saving control system based on data judgment, which comprises a data sensing module, a scene recognition module, a strategy storage module and a driving control module, the data sensing module is used for collecting personnel dynamic behavior information and environment illumination intensity information in an illumination area; the scene recognition module outputs a corresponding scene recognition signal by receiving, fusing and analyzing the sensing data; a mapping relation table is stored in the strategy storage module; and the driving control module queries the mapping relation table through the scene identification signal to obtain the illumination control parameter of the target, and converts the illumination control parameter into an instruction signal for driving the LED lamp. According to the invention, through multi-dimensional data fusion and scene adaptive control, refined energy saving of the lighting system is realized on the premise of ensuring comfort.

The lighting device may include a housing configured to be installed within a building structure and to at least partially enclose a lighting device assembly. The housing may include a lower plate and a trim portion that defines an aperture that extends in a plane and is circular-shaped. The aperture may be configured to enable the light emitted by the emitter assembly to be transmitted out of the housing. The trim portion may be located within a fixture opening in the lower plate. The trim portion may include a body and a lens. The lens may be configured to cover the lens opening of the body of the trim portion. The lens may be arranged at an angle with respect to the plane of the aperture of the trim portion.

The invention relates to the technical field of intelligent lighting control, in particular to an LED lamp energy-saving control method and system, and the method comprises the steps: obtaining environment data and user data; constructing a scene knowledge graph, and pre-storing illumination parameters of different scenes; performing standardization processing on the environment data and the user data, and obtaining a state vector in combination with the scene knowledge graph; inputting the state vector into a three-dimensional comfort level model to calculate a comprehensive comfort level score; if the comprehensive comfort level score is lower than a target threshold value, an illumination adjustment strategy is output through a dual-network illumination adjustment agent, the LED lamp is adjusted according to the illumination adjustment strategy, and the illumination adjustment strategy comprises light intensity adjustment, color temperature adjustment and light beam angle adjustment; and if the comprehensive comfort level score is higher than a target threshold value, lightweight light intensity gradient optimization is carried out, and the light intensity of the LED lamp is dynamically adjusted according to the position of the person. Therefore, the problems of insufficient environmental adaptability, lack of comfort consideration and the like in the prior art are solved.

The invention discloses a high-end space light illumination control system with scene adaptability, and relates to the technical field of intelligent light control, and the high-end space light illumination control system is characterized in that spatial structure geometric information and surface material distribution are acquired, and an illumination path simulation model is constructed; in combination with a preset illumination demand template, identifying a position with illumination deviation; performing illumination coverage simulation on each position point based on the lamp type and the light emitting angle, calculating an illumination coverage contribution value, and constructing a reference matrix; according to a matrix result, lamp model selection and angle adjustment are carried out, partition control operation is executed, and dynamic optimization adjustment of the brightness, the angle and the color temperature is achieved; closed-loop correction is completed through illumination feedback; according to the invention, the adaptive ability of illumination control to a complex space structure and a dynamic scene is improved, higher control precision and energy efficiency are achieved, and the method is suitable for intelligent illumination systems in scenes such as exhibition display, commercial retail and high-end residence.

The present disclosure provides a dial illumination lamp, including a housing, a light source assembly, and an adjustment assembly connected to the light source assembly. The light source assembly includes a light source plate and a light source. The adjustment assembly includes a dial member and a contact member. The dial member has one end hinged to the light source plate; connecting contacts are provided on the light source plate; the contact member is capable of being in contact with the connecting contacts; the dial member is capable of swinging around a position where the light source plate is hinged to the dial member; and the dial member in swinging drives the contact member to slide between the different connecting contacts. The present disclosure is small in volume and simple in structure, saves space, and facilitates the achievement of miniaturization and integration of lamps.

The invention discloses an automatic control gradient LED lamp energy-saving illumination method, which comprises the following steps: S1, asynchronous sampling is carried out through an illumination sensor A and an illumination sensor B, ambient light change data is collected, a sampling timestamp is recorded, a time difference weight is obtained based on the timestamp, data fusion is carried out through the time difference weight, and ambient light intensity data is obtained; s2, performing data calibration on the ambient light intensity data through a state space model, and performing optimization through a weighted moving average method to obtain an ambient light intensity change rate; and S3, acquiring a light change condition based on an environment illumination intensity change rate, adjusting a brightness duty ratio through a probability model based on Bayesian reasoning to output an initial control variable, performing optimization based on the initial control variable in combination with a particle filtering algorithm to obtain a final control scheme, and performing optimization through the probability model and the algorithm to obtain a final control scheme. A relatively accurate brightness adjustment scheme can still be given, and the intelligent level of lamp control is improved.

A lighting control device controls lighting of a first light source and a second light source having a smaller load than the first light source. The lighting control device includes a voltage supply circuit supplying a driving voltage to the first light source and the second light source, a smooth capacitor absorbing ripples of the driving voltage, a first switching element controlling a current generated by the driving voltage to the first light source, a second switching element controlling a current generated by the driving voltage to the second light source, a control circuit outputting control signals controlling the first switching element and the second switching element, and a bypass circuit forming a bypass path of a current to the second light source. The bypass path is formed by switching the bypass circuit to a conductive state based on a control signal reducing the load among the control signals.

The invention provides an electric power optical communication positioning system and method based on a PLC, and relates to the technical field of PLC electric power optical communication. After a real-time user starts a mobile terminal camera, a real-time optical signal of a target lamp is captured through the camera; the mobile terminal obtains a real-time ID and a real-time physical coordinate by decoding the real-time optical signal; after receiving a target parking space number input by a real-time user, the mobile terminal matches a parking space lamp ID and a parking space physical coordinate pre-bound with the target parking space number; and calculating a navigation path according to the real-time physical coordinates and the parking space physical coordinates, and outputting a real-time navigation path. The technical problem that in the prior art, due to the fact that underground space positioning is high in cost, poor in precision and prone to interruption of positioning communication, sub-meter continuous positioning and intensive management are difficult to carry out in a network-free underground space is solved. The comprehensive technical effects of remarkably saving the cost, improving the positioning precision, optimizing the user experience and enhancing the management efficiency are achieved.

The invention discloses a high-power stadium LED lighting ceiling lamp with high heat dissipation performance, and relates to the technical field of LED lighting ceiling lamps. The LED lamp comprises a lamp shell and an LED lamp panel, a heat insulation plate, a circulating pipe and a cooling fan which are sequentially distributed are arranged in the lamp shell, a heat conduction barrel is arranged on the heat insulation plate, the LED lamp panel is arranged on the heat conduction barrel, a plurality of heat conduction fins are arranged on the heat conduction barrel, and an air inlet, an exhaust pipe and a micro water pump are arranged on the lamp shell. The input end of the micro water pump communicates with the heat conduction cylinder through a pipeline, and a plurality of cooling fins are arranged on the circulating pipe. According to the LED lamp panel, a passive heat dissipation mode (for example, natural heat diffusion only depends on cooling fins or radiators) which is commonly depended on in the prior art is abandoned, an air cooling system and a liquid cooling system are innovatively and efficiently coordinated to work, active multi-stage heat dissipation of the LED lamp panel is achieved, and compared with a traditional passive heat dissipation scheme, the LED lamp panel has the advantages of being high in heat dissipation efficiency and good in heat dissipation effect. The internal temperature of the lamp can be obviously prevented from rising, and the heat dissipation efficiency is greatly improved.

A four wire-to-two wire lamp control method includes: inputting R, G and B lamp control signals are to corresponding oscillators which are controlled to generate R, G and B oscillation signals; the three oscillation signals being amplified and then coupled into a composite signal which is superposed onto integrated electric power to obtain composite electric power that is transmitted by a two-wire system transmission module. In this way, transformation from a four-wire lamp system to a two-wire lamp system is realized. The composite signal and power are synchronously transmitted in the two-wire system, such that the system can approximately synchronously transmit the composite signal at a low delay, and the integrated electric power can still be transmitted continuously in case of a low duty cycle of the lamp control signals, thus satisfying the requirement for driving power of a lamp.

A vehicle lamp includes a light source, and a lens. The lens includes a central region centered on an optical axis of the lamp and a peripheral region located around the central region. A rear surface of the peripheral region is formed with plural total reflection prism elements which reflects light emitted from the light source toward the front of the vehicle lamp in a state of being aligned in a concentric circular form centered on the optical axis. The rear surface of the peripheral region includes an inner periphery-side region and an outer periphery-side region. The plurality of total reflection prism elements form a first annular concave curved surface centered on the optical axis as an envelope surface in the inner periphery-side region and form a second annular concave curved surface centered on the optical axis as an envelope surface in the outer periphery-side region.

The invention relates to a film and television filter lamp effect application method and device, equipment and a medium, and the method comprises the steps: obtaining a filter template correspondingly set based on film and television description information, the filter template being used for defining a filter effect applied by a film and television work corresponding to the film and television description information; configuring original lamp effect data of an atmosphere lamp according to the filter template, and obtaining filter lamp effect data applying a filter effect; and controlling an atmosphere lamp to play a corresponding atmosphere lamp effect according to the filter lamp effect data, so that the atmosphere lamp effect presents a filter effect. Through the technical means, the visual style of the movie and television can be copied in batches and presented in real time in an atmosphere lamp system in a low-cost and high-precision manner for the first time, so that immersive experience of the movie, namely the atmosphere, is really realized.

A lamp for the vehicle includes a plurality of light sources arranged in a vertical direction; and a plurality of light guiding lenses respectively disposed in front of the plurality of light sources and arranged in an arrangement direction of the plurality of light sources. Each of the plurality of light guiding lenses includes: a light receiving portion to which light emitted from a corresponding light source is incident; a light emission portion disposed in front of the light receiving portion to emit the light incident from the light receiving portion; and a shield portion including an edge portion disposed at a rear focus of the light emission portion. The edge portion is configured to obstruct a portion of the light from being directed to the light emission portion, and edge portions of at least two of the plurality of light guiding lenses have different orientation angles.